/* ==========================================================================
   Dr. Parnia — "The Art of Revealing Form"
   Ariana theme stylesheet. One file, logical properties, RTL-first.
   ========================================================================== */

/* ---------- Fonts (self-hosted) ---------- */
@font-face { font-family: "Nian"; src: url(../fonts/nian-200.woff2?v=704647) format("woff2"); font-weight: 200; font-display: swap; }
@font-face { font-family: "Nian"; src: url(../fonts/nian-300.woff2?v=704647) format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Nian"; src: url(../fonts/nian-400.woff2?v=704647) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Nian"; src: url(../fonts/nian-600.woff2?v=704647) format("woff2"); font-weight: 500 600; font-display: swap; }
@font-face { font-family: "Nian"; src: url(../fonts/nian-700.woff2?v=704647) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Nian"; src: url(../fonts/nian-800.woff2?v=704647) format("woff2"); font-weight: 800 900; font-display: swap; }
@font-face { font-family: "Inter"; src: url(../fonts/inter-var.woff2?v=704647) format("woff2"); font-weight: 100 900; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  /* brand palette — Studio Nim brandbook, p.14 */
  --navy: #132D44;
  --navy-950: #0B1C2B;
  --navy-850: #0F2537;
  --blue: #284665;
  --blue-700: #213B56;
  --powder: #B4C7D6;
  --powder-300: #CBD8E3;
  --powder-100: #E9EFF4;
  --powder-50: #F4F7FA;
  --gold: #D1AA67;
  --gold-300: #E3C792;
  --gold-ink: #85642B;     /* gold for text on light surfaces, 5.2:1 on white */
  --white: #FFFFFF;
  --ink: #132D44;
  --ink-soft: #3C5670;     /* 7.6:1 on white */
  --ink-mute: #5D7389;     /* 4.9:1 on white */
  --line: rgba(19, 45, 68, .14);
  --line-strong: rgba(19, 45, 68, .28);
  --line-on-dark: rgba(180, 199, 214, .2);

  --surface: var(--white);
  --surface-alt: var(--powder-50);

  /* type */
  --font-fa: "Nian", "Inter", system-ui, sans-serif;
  --font-en: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font: var(--font-en);
  --fs-xs: .8125rem;
  --fs-sm: .9375rem;
  --fs-base: clamp(1rem, .97rem + .14vw, 1.0625rem);
  --fs-md: clamp(1.125rem, 1.06rem + .3vw, 1.3125rem);
  --fs-lg: clamp(1.375rem, 1.2rem + .8vw, 1.875rem);
  --fs-xl: clamp(1.75rem, 1.35rem + 1.7vw, 2.875rem);
  --fs-2xl: clamp(2.25rem, 1.5rem + 3.2vw, 4.25rem);
  --fs-3xl: clamp(2.75rem, 1.5rem + 5.4vw, 6.75rem);
  --lh: 1.65;
  --lh-tight: 1.12;
  --track-display: -.025em;

  /* space & shape */
  --gutter: clamp(1rem, .4rem + 3vw, 4rem);
  --container: 1440px;
  --container-narrow: 760px;
  --section: clamp(4.5rem, 3rem + 7vw, 10rem);
  --radius: 14px;
  --radius-sm: 8px;
  --arch: 999px 999px 0 0;
  --chamfer: 28px;

  /* motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-sculpt: cubic-bezier(.77, 0, .175, 1);
  --dur-1: .18s;
  --dur-2: .32s;
  --dur-3: .6s;
  --dur-4: 1.1s;

  --header-h: 84px;
  --shadow-1: 0 1px 2px rgba(11, 28, 43, .06), 0 8px 24px -12px rgba(11, 28, 43, .18);
  --shadow-2: 0 2px 6px rgba(11, 28, 43, .06), 0 30px 60px -30px rgba(11, 28, 43, .45);
  color-scheme: light;
}

:root[lang="fa"], html[dir="rtl"] {
  --font: var(--font-fa);
  --lh: 1.95;
  --lh-tight: 1.35;
  --track-display: 0;
  --fs-base: clamp(1.0625rem, 1.02rem + .16vw, 1.1875rem); /* Persian reads ~2pt larger — HIG right-to-left › Controls */
}

@media (min-width: 1920px) { html { font-size: 112.5%; } :root { --container: 1640px; } }
@media (min-width: 2560px) { html { font-size: 131.25%; } :root { --container: 1800px; } }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
html:not(.lenis) { scroll-behavior: smooth; }
body {
  min-height: 100vh; min-height: 100dvh;
  font-family: var(--font); font-size: var(--fs-base); line-height: var(--lh);
  color: var(--ink); background: var(--surface);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "calt";
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, picture, video, svg, canvas, iframe { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: var(--lh-tight); text-wrap: balance; overflow-wrap: break-word; }
p { text-wrap: pretty; }
::selection { background: var(--gold); color: var(--navy); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.on-dark :focus-visible, .is-dark :focus-visible { outline-color: var(--gold-300); }

.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; inset-inline-start: 1rem; inset-block-start: 1rem; z-index: 1000; padding: .75rem 1.25rem; border-radius: 999px; background: var(--gold); color: var(--navy); font-weight: 700; transform: translateY(-200%); transition: transform var(--dur-2) var(--ease-out); }
.skip-link:focus { transform: none; }

/* ---------- Layout primitives ---------- */
.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.container--narrow { width: min(100% - 2 * var(--gutter), var(--container-narrow)); margin-inline: auto; }
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * .6); }
.is-dark { background: var(--navy); color: var(--powder-100); }
.is-dark h1, .is-dark h2, .is-dark h3 { color: var(--white); }
.is-blue { background: var(--blue); color: var(--powder-100); }
.is-powder { background: var(--powder); color: var(--navy); }
.is-alt { background: var(--surface-alt); }
.grid { display: grid; gap: clamp(1rem, .5rem + 2vw, 2.5rem); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold-ink);
}
:lang(fa) .eyebrow { letter-spacing: 0; font-size: var(--fs-sm); }
.is-dark .eyebrow, .is-blue .eyebrow { color: var(--gold); }
.eyebrow::before { content: ""; inline-size: 2.25rem; block-size: 1px; background: currentColor; opacity: .7; }
.eyebrow--plain::before { display: none; }
.display { font-size: var(--fs-3xl); line-height: 1.02; letter-spacing: var(--track-display); font-weight: 300; }
:lang(fa) .display { line-height: 1.32; font-weight: 300; }
.display b, .display strong, .h-mix b { font-weight: 800; }
.h1 { font-size: var(--fs-2xl); letter-spacing: var(--track-display); }
.h2 { font-size: var(--fs-xl); letter-spacing: var(--track-display); }
.h3 { font-size: var(--fs-lg); }
.h-mix { font-weight: 300; }
.lead { font-size: var(--fs-md); color: var(--ink-soft); line-height: calc(var(--lh) - .1); }
.is-dark .lead, .is-blue .lead { color: var(--powder-300); }
.muted { color: var(--ink-mute); }
.gold { color: var(--gold-ink); }
.is-dark .gold { color: var(--gold); }
.num { font-variant-numeric: tabular-nums; }
.latin { font-family: var(--font-en); direction: ltr; unicode-bidi: isolate; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--navy); --btn-fg: var(--white); --btn-bd: var(--navy);
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: .65rem;
  min-block-size: 3.25rem; padding: .85rem 1.6rem; border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg); border: 1px solid var(--btn-bd);
  font-weight: 600; font-size: var(--fs-sm); line-height: 1.2; white-space: nowrap;
  transition: color var(--dur-2) var(--ease-out), border-color var(--dur-2), transform var(--dur-2) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--gold); transform: translateY(101%); transition: transform var(--dur-3) var(--ease-sculpt);
}
.btn:hover::before, .btn:focus-visible::before { transform: none; }
.btn:hover, .btn:focus-visible { color: var(--navy); border-color: var(--gold); }
.btn:active { transform: scale(.97); }
.btn--gold { --btn-bg: var(--gold); --btn-fg: var(--navy); --btn-bd: var(--gold); }
.btn--gold::before { background: var(--white); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--navy); --btn-bd: var(--line-strong); }
.is-dark .btn--ghost, .on-dark .btn--ghost, .is-blue .btn--ghost, .aside-cta .btn--ghost, .cta-strip .btn--ghost, .map-card .btn--ghost, .drawer .btn--ghost { --btn-fg: var(--white); --btn-bd: rgba(255,255,255,.35); }
.form-card .btn--ghost, .is-dark .form-card .btn--ghost { --btn-fg: var(--navy); --btn-bd: var(--line-strong); }
.btn--sm { min-block-size: 2.75rem; padding: .6rem 1.15rem; }
.btn svg { inline-size: 1.1em; block-size: 1.1em; flex: none; }
.dir-icon { inline-size: 1.1em; block-size: 1.1em; flex: none; display: inline-block; vertical-align: -.15em; transition: transform var(--dur-2) var(--ease-out); }
[dir="rtl"] .dir-icon { transform: scaleX(-1); }
a:hover .dir-icon, button:hover .dir-icon { transform: translateX(4px); }
[dir="rtl"] a:hover .dir-icon, [dir="rtl"] button:hover .dir-icon { transform: scaleX(-1) translateX(4px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .55rem; font-weight: 600;
  background: linear-gradient(currentColor, currentColor) no-repeat 100% 100% / 0 1px;
  padding-block-end: .2rem; transition: background-size var(--dur-3) var(--ease-sculpt);
}
[dir="ltr"] .link-arrow { background-position: 0 100%; }
.link-arrow:hover, .link-arrow:focus-visible { background-size: 100% 1px; }
.link-arrow svg { inline-size: 1.1em; block-size: 1.1em; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset-inline: 0; inset-block-start: 0; z-index: 100;
  block-size: var(--header-h); color: var(--white);
  transition: transform var(--dur-3) var(--ease-out), background-color var(--dur-3), color var(--dur-3), box-shadow var(--dur-3);
}
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(to bottom, rgba(11, 28, 43, .55), rgba(11, 28, 43, 0));
  transition: opacity var(--dur-3);
}
.site-header.is-solid { background: rgba(19, 45, 68, .86); -webkit-backdrop-filter: saturate(140%) blur(16px); backdrop-filter: saturate(140%) blur(16px); box-shadow: 0 1px 0 var(--line-on-dark); }
.site-header.is-solid::before { opacity: 0; }
.site-header.is-hidden { transform: translateY(-100%); }
.menu-open .site-header { background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; color: var(--white); }
.menu-open .site-header::before { opacity: 0; }
body.header-light .site-header:not(.is-solid) { color: var(--navy); }
body.header-light .site-header:not(.is-solid)::before { opacity: 0; }
.header-inner { block-size: 100%; display: flex; align-items: center; gap: clamp(.75rem, 2vw, 2rem); }
.brand { display: inline-flex; align-items: center; gap: .8rem; flex: none; min-block-size: 44px; }
.brand-mark { inline-size: 2.4rem; block-size: auto; color: currentColor; transition: transform var(--dur-3) var(--ease-out); }
.brand:hover .brand-mark { transform: translateY(-2px); }
.brand-text { display: grid; gap: .1rem; }
.brand-word { inline-size: 7.4rem; block-size: auto; color: currentColor; }
.brand-word svg { inline-size: 100%; block-size: auto; }
.brand-sub { font-size: .66rem; opacity: .78; white-space: nowrap; line-height: 1.3; }
:lang(en) .brand-sub { letter-spacing: .04em; }

.nav { margin-inline-start: auto; }
.nav-list { display: flex; align-items: center; gap: .15rem; list-style: none; padding: 0; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: .35rem; min-block-size: 44px; padding: .5rem .8rem;
  font-size: var(--fs-sm); font-weight: 500; border-radius: 999px; white-space: nowrap;
  transition: background-color var(--dur-2), color var(--dur-2);
}
.nav-link:hover, .nav-item:focus-within > .nav-link { background: rgba(255, 255, 255, .1); }
body.header-light .site-header:not(.is-solid) .nav-link:hover { background: rgba(19, 45, 68, .07); }
.nav-item.is-current > .nav-link { color: var(--gold); }
.nav-link .chev { inline-size: .7rem; block-size: .7rem; opacity: .7; transition: transform var(--dur-2); }
.nav-item:hover > .nav-link .chev, .nav-item.is-open > .nav-link .chev { transform: rotate(180deg); }

.mega {
  position: absolute; inset-block-start: calc(100% + .6rem); inset-inline-start: 50%;
  translate: -50% 0; min-inline-size: 20rem; max-inline-size: min(64rem, 92vw);
  padding: 1.25rem; border-radius: 22px; background: var(--white); color: var(--navy);
  box-shadow: var(--shadow-2); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transform: translateY(8px) scale(.98); transform-origin: top center;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2);
}
[dir="rtl"] .mega { translate: 50% 0; }
.mega::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: -.8rem; block-size: .8rem; }
.nav-item:hover > .mega, .nav-item.is-open > .mega, .nav-item:focus-within > .mega {
  opacity: 1; visibility: visible; transform: none; transition-delay: 0s;
}
.mega-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: .25rem 1.5rem; list-style: none; padding: 0; }
.mega.is-wide { inline-size: min(60rem, 92vw); }
.mega-link { display: flex; align-items: center; gap: .6rem; padding: .55rem .7rem; border-radius: 10px; font-size: var(--fs-sm); line-height: 1.5; transition: background-color var(--dur-1), color var(--dur-1); }
.mega-link::before { content: ""; inline-size: .42rem; block-size: .55rem; flex: none; background: var(--powder); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); transition: background-color var(--dur-1), transform var(--dur-2) var(--ease-out); }
.mega-link:hover, .mega-link:focus-visible { background: var(--powder-50); }
.mega-link:hover::before { background: var(--gold); transform: rotate(90deg); }
.mega-link.is-parent { font-weight: 700; }
.mega-sub { list-style: none; padding: 0 0 .5rem; margin-inline-start: 1.15rem; border-inline-start: 1px solid var(--line); }
.mega-sub .mega-link { font-size: var(--fs-xs); padding-block: .4rem; color: var(--ink-soft); }
.mega-sub .mega-link::before { display: none; }
:lang(fa) .mega-sub .mega-link { font-size: .875rem; }

.header-actions { display: flex; align-items: center; gap: .5rem; }
.lang-switch { display: inline-flex; padding: .2rem; border-radius: 999px; border: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 30%, transparent); }
.lang-switch a { min-inline-size: 2.6rem; min-block-size: 2.2rem; display: grid; place-items: center; padding: 0 .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; transition: background-color var(--dur-2), color var(--dur-2); }
.lang-switch a.is-current { background: var(--gold); color: var(--navy); }
.lang-switch a:not(.is-current):hover { background: rgba(255,255,255,.12); }
.header-cta { display: none; }
.icon-btn { inline-size: 44px; block-size: 44px; display: grid; place-items: center; border-radius: 999px; transition: background-color var(--dur-2); }
.icon-btn:hover { background: rgba(255,255,255,.1); }
.icon-btn svg { inline-size: 1.25rem; block-size: 1.25rem; }
.menu-toggle { display: grid; }
.menu-toggle .bars { inline-size: 22px; block-size: 14px; position: relative; }
.menu-toggle .bars span { position: absolute; inset-inline: 0; block-size: 1.5px; background: currentColor; border-radius: 2px; transition: transform var(--dur-3) var(--ease-sculpt), opacity var(--dur-2), inline-size var(--dur-3) var(--ease-sculpt); }
.menu-toggle .bars span:nth-child(1) { inset-block-start: 0; }
.menu-toggle .bars span:nth-child(2) { inset-block-start: 6px; inline-size: 70%; }
.menu-toggle .bars span:nth-child(3) { inset-block-start: 12px; }
.menu-open .menu-toggle .bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .menu-toggle .bars span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle .bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (min-width: 1180px) {
  .menu-toggle { display: none; }
  .header-cta { display: inline-flex; }
}
@media (max-width: 1179.98px) { .nav { display: none; } .header-actions { margin-inline-start: auto; } }
@media (max-width: 420px) { .brand-sub { display: none; } .brand-word { inline-size: 6.2rem; } }

/* Search panel */
.search-panel { position: fixed; inset: 0; z-index: 120; display: grid; place-items: start center; padding: calc(var(--header-h) + 4vh) var(--gutter) 2rem; background: rgba(11, 28, 43, .72); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); opacity: 0; visibility: hidden; transition: opacity var(--dur-3), visibility 0s linear var(--dur-3); }
.search-panel.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.search-form { inline-size: min(48rem, 100%); display: flex; align-items: center; gap: .5rem; padding: .5rem; border-radius: 999px; background: var(--white); box-shadow: var(--shadow-2); transform: translateY(-14px); transition: transform var(--dur-3) var(--ease-out); }
.search-panel.is-open .search-form { transform: none; }
.search-form input { flex: 1; min-inline-size: 0; border: 0; outline: 0; background: none; padding: .75rem 1.25rem; font-size: var(--fs-md); color: var(--navy); }
.search-form input::placeholder { color: var(--ink-mute); }
.search-close { position: absolute; inset-block-start: 1.25rem; inset-inline-end: var(--gutter); color: var(--white); }

/* Mobile drawer */
.drawer { position: fixed; inset: 0; z-index: 95; visibility: hidden; pointer-events: none; }
.drawer-bg { position: absolute; inset: 0; background: var(--navy-950); clip-path: inset(0 0 100% 0 round 0 0 50% 50%); transition: clip-path .8s var(--ease-sculpt); }
.menu-open .drawer { visibility: visible; pointer-events: auto; }
.menu-open .drawer-bg { clip-path: inset(0 0 0 0 round 0); }
.drawer-inner { position: relative; block-size: 100%; overflow-y: auto; overscroll-behavior: contain; padding: calc(var(--header-h) + 1rem) var(--gutter) 2.5rem; color: var(--white); display: flex; flex-direction: column; gap: 2rem; }
.drawer-arch { position: absolute; inset-inline-end: -12vw; inset-block-start: 14vh; inline-size: 60vw; max-inline-size: 420px; aspect-ratio: 3/4; border-radius: var(--arch); border: 1px solid var(--line-on-dark); pointer-events: none; }
.drawer-list { list-style: none; padding: 0; display: grid; gap: .1rem; }
.drawer-list > li { opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease-out), transform .6s var(--ease-out); }
.menu-open .drawer-list > li { opacity: 1; transform: none; }
.menu-open .drawer-list > li:nth-child(1) { transition-delay: .25s; } .menu-open .drawer-list > li:nth-child(2) { transition-delay: .29s; } .menu-open .drawer-list > li:nth-child(3) { transition-delay: .33s; } .menu-open .drawer-list > li:nth-child(4) { transition-delay: .37s; } .menu-open .drawer-list > li:nth-child(5) { transition-delay: .41s; } .menu-open .drawer-list > li:nth-child(6) { transition-delay: .45s; } .menu-open .drawer-list > li:nth-child(7) { transition-delay: .49s; } .menu-open .drawer-list > li:nth-child(n+8) { transition-delay: .53s; }
.drawer-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-block-end: 1px solid var(--line-on-dark); }
.drawer-link { flex: 1; display: block; padding-block: .85rem; font-size: clamp(1.35rem, 1rem + 2.4vw, 2rem); font-weight: 300; line-height: 1.4; }
.drawer-link.is-current { color: var(--gold); }
.drawer-expand { inline-size: 44px; block-size: 44px; display: grid; place-items: center; border-radius: 999px; border: 1px solid var(--line-on-dark); flex: none; }
.drawer-expand svg { inline-size: 1rem; transition: transform var(--dur-3) var(--ease-out); }
.drawer-expand[aria-expanded="true"] svg { transform: rotate(45deg); }
.drawer-sub { list-style: none; padding: .25rem 0 .75rem; display: grid; }
.drawer-sub[hidden] { display: none; }
.drawer-sub a { display: block; padding: .55rem .25rem; color: var(--powder-300); font-size: var(--fs-base); }
.drawer-sub .drawer-sub { padding-inline-start: 1rem; border-inline-start: 1px solid var(--line-on-dark); margin-inline-start: .25rem; }
.drawer-sub .drawer-sub a { font-size: var(--fs-sm); }
.drawer-meta { margin-block-start: auto; display: grid; gap: 1rem; color: var(--powder-300); font-size: var(--fs-sm); }
.drawer-meta a { color: var(--white); }
.drawer-ctas { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: var(--navy); color: var(--powder); pointer-events: none; }
.preloader[hidden] { display: none; }
.preloader-stage { display: grid; justify-items: center; gap: 1.2rem; }
.pl-mark { position: relative; inline-size: clamp(5rem, 12vw, 8rem); aspect-ratio: 183 / 182; }
.pl-mark svg { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; }
.pl-arch { color: var(--blue); }
.pl-line { inline-size: 9rem; block-size: 1px; background: var(--line-on-dark); overflow: hidden; }
.pl-line i { display: block; block-size: 100%; inline-size: 100%; background: var(--gold); transform-origin: left; transform: scaleX(0); }
[dir="rtl"] .pl-line i { transform-origin: right; }
.pl-caption { font-size: .75rem; letter-spacing: .3em; text-transform: uppercase; color: var(--powder); font-family: var(--font-en); }
.no-js .preloader, .reduced .preloader { display: none; }

/* ---------- Cursor ---------- */
.cursor { position: fixed; inset: 0 auto auto 0; z-index: 300; pointer-events: none; mix-blend-mode: difference; display: none; opacity: 0; transition: opacity .3s; }
.has-cursor .cursor { display: block; }
.cursor-dot { position: absolute; inline-size: 8px; block-size: 8px; margin: -4px 0 0 -4px; border-radius: 50%; background: #fff; }
.cursor-ring { position: absolute; inline-size: 40px; block-size: 46px; margin: -23px 0 0 -20px; color: #fff; transition: inline-size .35s var(--ease-out), block-size .35s var(--ease-out), margin .35s var(--ease-out); }
.cursor-ring svg { inline-size: 100%; block-size: 100%; overflow: visible; }
.cursor-ring polygon { fill: transparent; stroke: currentColor; stroke-width: 1.2; vector-effect: non-scaling-stroke; transition: fill .3s; }
.cursor.is-hover .cursor-ring { inline-size: 70px; block-size: 80px; margin: -40px 0 0 -35px; }
.cursor.is-view .cursor-ring { inline-size: 92px; block-size: 106px; margin: -53px 0 0 -46px; }
.cursor.is-view .cursor-ring polygon { fill: #fff; }
.cursor-label { position: absolute; transform: translate(-50%, -50%); font: 600 .7rem/1 var(--font-en); letter-spacing: .14em; text-transform: uppercase; color: #000; opacity: 0; transition: opacity .2s; white-space: nowrap; }
:lang(fa) .cursor-label { font-family: var(--font-fa); letter-spacing: 0; font-size: .8rem; }
.cursor.is-view .cursor-label { opacity: 1; }
.has-cursor, .has-cursor a, .has-cursor button { cursor: none; }
.has-cursor input, .has-cursor textarea, .has-cursor select { cursor: auto; }

/* ---------- Split text & reveal ---------- */
.w { display: inline-block; overflow: clip; overflow-clip-margin: .12em; vertical-align: top; padding-block: .08em; margin-block: -.08em; }
:lang(fa) .w { padding-block: .22em; margin-block: -.22em; }
.wi { display: inline-block; will-change: transform; }
.js-motion [data-reveal]:not(.is-in) { opacity: 0; }
.js-motion [data-split]:not(.is-split) { opacity: 0; }
.reveal-all [data-reveal], .reveal-all [data-split], .reveal-all [data-hero], .reveal-all .wi, .reveal-all .hero-arch, .reveal-all .hero-stamp, .reveal-all [data-creation-text], .reveal-all .arches > *, .reveal-all [data-reveal="stagger"] > * { opacity: 1 !important; transform: none !important; clip-path: none !important; filter: none !important; }
.reveal-all path { stroke-dashoffset: 0 !important; }
.reveal-all .manifesto-quote .wi { color: var(--navy) !important; }

/* arch clip images */
.archframe { position: relative; overflow: hidden; border-radius: var(--arch); isolation: isolate; background: var(--powder-100); }
.archframe img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.chamfer { clip-path: polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer)); }
.hexframe { clip-path: polygon(50% 0, 100% 21%, 100% 79%, 50% 100%, 0 79%, 0 21%); }
.octframe { clip-path: polygon(30% 0, 70% 0, 100% 22%, 100% 78%, 70% 100%, 30% 100%, 0 78%, 0 22%); }

/* ---------- Hero (home) ---------- */
.hero { position: relative; min-block-size: 100svh; display: grid; align-items: center; background: var(--navy); color: var(--white); overflow: hidden; isolation: isolate; padding-block: calc(var(--header-h) + 2rem) 5rem; }
.hero-bg { position: absolute; inset: 0; z-index: -2; background:
  radial-gradient(60% 70% at 72% 40%, rgba(40, 70, 101, .95), rgba(19, 45, 68, 0) 70%),
  radial-gradient(40% 50% at 15% 85%, rgba(209, 170, 103, .10), transparent 70%),
  var(--navy); }
[dir="rtl"] .hero-bg { transform: scaleX(-1); }
.hero-year { position: absolute; z-index: -1; inset-block-start: 50%; inset-inline-start: 50%; translate: -50% -50%; font: 200 clamp(10rem, 30vw, 34rem)/.8 var(--font-en); color: transparent; -webkit-text-stroke: 1px rgba(180, 199, 214, .09); letter-spacing: -.04em; pointer-events: none; user-select: none; white-space: nowrap; }
[dir="rtl"] .hero-year { translate: 50% -50%; }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 6rem); } }
.hero-copy { display: grid; gap: 1.6rem; position: relative; z-index: 2; }
.hero-title { font-size: var(--fs-md); font-weight: 500; color: var(--powder-300); line-height: 1.6; max-inline-size: 34rem; }
.hero-title strong { display: block; font-size: var(--fs-lg); color: var(--white); font-weight: 700; margin-block-end: .2rem; }
.hero .display { color: var(--white); }
.hero .display b { color: var(--gold); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-block-start: .5rem; font-size: var(--fs-xs); color: var(--powder); }
:lang(fa) .hero-trust { font-size: .875rem; }
.hero-trust li { display: inline-flex; align-items: center; gap: .5rem; }
.hero-trust li::before { content: ""; inline-size: .45rem; block-size: .55rem; background: var(--gold); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.hero-visual { position: relative; justify-self: center; inline-size: min(100%, 34rem); aspect-ratio: 4 / 5; }
@media (max-width: 959.98px) { .hero-visual { inline-size: min(78vw, 24rem); order: -1; margin-block-start: 1rem; } }
.hero-arch { position: absolute; inset: 0; border-radius: var(--arch); background: linear-gradient(180deg, rgba(180, 199, 214, .14), rgba(180, 199, 214, .02) 70%); border: 1px solid rgba(180, 199, 214, .28); overflow: hidden; }
.hero-arch::after { content: ""; position: absolute; inset: 7%; border-radius: var(--arch); border: 1px solid rgba(209, 170, 103, .35); }
.hero-canvas { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; }
.hero-bust { position: absolute; inset-inline: 12%; inset-block: 8% 0; color: var(--powder); }
.hero-bust svg { inline-size: 100%; block-size: 100%; overflow: visible; }
.hero-bust path { stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.hero-tri { position: absolute; inset: -8%; color: var(--gold); pointer-events: none; }
.hero-tri svg { inline-size: 100%; block-size: 100%; overflow: visible; }
.hero-stamp { position: absolute; inset-block-end: -1.5rem; inset-inline-start: -1.5rem; inline-size: clamp(6rem, 11vw, 8.5rem); color: var(--gold); animation: spin 38s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-scroll { position: absolute; inset-block-end: 1.5rem; inset-inline-start: 50%; translate: -50% 0; display: grid; justify-items: center; gap: .6rem; font: 500 .7rem/1 var(--font-en); letter-spacing: .3em; text-transform: uppercase; color: var(--powder); }
[dir="rtl"] .hero-scroll { translate: 50% 0; }
.hero-scroll i { inline-size: 1px; block-size: 3rem; background: linear-gradient(var(--gold), transparent); animation: drip 2.2s var(--ease-in-out) infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@media (max-height: 700px) { .hero-scroll { display: none; } }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; display: flex; user-select: none; --gap: 3rem; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; flex: none; gap: var(--gap); padding-inline-end: var(--gap); align-items: center; animation: marquee 40s linear infinite; }
[dir="rtl"] .marquee-track { animation-name: marquee-rtl; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }
@keyframes marquee-rtl { to { transform: translateX(100%); } }
.marquee-item { display: inline-flex; align-items: center; gap: var(--gap); font-size: clamp(1.5rem, 1rem + 2.5vw, 3.25rem); font-weight: 300; white-space: nowrap; }
.marquee-item b { font-weight: 800; }
.marquee-item .hex { inline-size: .5em; block-size: .6em; background: var(--gold); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.band { padding-block: clamp(1.25rem, 1rem + 1.5vw, 2.25rem); border-block: 1px solid var(--line); }
.is-dark .band, .band.is-dark { border-color: var(--line-on-dark); }
.pattern-band { block-size: 3.25rem; background-color: var(--navy); color: rgba(180, 199, 214, .22); overflow: hidden; display: flex; }
.pattern-band .marquee-track { gap: 0; padding: 0; animation-duration: 60s; }
.pattern-band svg { block-size: 2.4rem; inline-size: auto; flex: none; margin-block: auto; }

/* ---------- Manifesto ---------- */
.manifesto { text-align: center; overflow: hidden; }
.manifesto-busts { inline-size: clamp(9rem, 18vw, 14rem); margin: 0 auto 2.5rem; }
.manifesto-quote { font-size: clamp(1.5rem, 1rem + 2.6vw, 3.4rem); font-weight: 300; line-height: 1.35; letter-spacing: -.01em; max-inline-size: 56rem; margin-inline: auto; color: var(--navy); }
:lang(fa) .manifesto-quote { line-height: 1.75; }
.manifesto-quote .wi { transition: color .4s; }
.manifesto-quote [data-scrub-word] { color: rgba(19, 45, 68, .16); }
.manifesto-cite { display: block; margin-block-start: 1.75rem; font-style: normal; color: var(--gold-ink); font-weight: 600; letter-spacing: .1em; }
.manifesto-tri { position: absolute; inset: 0; pointer-events: none; color: var(--powder); opacity: .6; }

/* ---------- Doctor intro ---------- */
.doctor { background: var(--powder); color: var(--navy); overflow: hidden; }
.doctor-grid { display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (min-width: 960px) { .doctor-grid { grid-template-columns: .9fr 1.1fr; } }
.doctor-photo { position: relative; }
.doctor-photo .frame { --chamfer: clamp(28px, 5vw, 64px); aspect-ratio: 1 / 1.08; overflow: hidden; background: var(--white); }
.doctor-photo img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 50% 20%; }
.doctor-photo .mono { position: absolute; inset-block-start: 1.25rem; inset-inline-start: 1.25rem; inline-size: 3rem; color: rgba(19, 45, 68, .35); z-index: 2; }
.doctor-photo .badge { position: absolute; inset-block-end: -1.5rem; inset-inline-end: -1rem; display: grid; place-items: center; text-align: center; inline-size: clamp(7.5rem, 12vw, 9.5rem); aspect-ratio: 1; border-radius: 50%; background: var(--navy); color: var(--white); box-shadow: var(--shadow-2); z-index: 3; }
.doctor-photo .badge b { display: block; font: 300 clamp(2rem, 3.5vw, 2.75rem)/1 var(--font-en); color: var(--gold); }
:lang(fa) .doctor-photo .badge b { font-family: var(--font-fa); font-weight: 700; }
.doctor-photo .badge span { font-size: .72rem; line-height: 1.35; padding-inline: .75rem; display: block; margin-block-start: .35rem; }
.doctor-copy { display: grid; gap: 1.5rem; }
.doctor-copy .lead { color: var(--blue-700); }
.creds { list-style: none; padding: 0; display: grid; gap: 0; border-block-start: 1px solid rgba(19, 45, 68, .2); }
.creds li { display: flex; gap: 1rem; align-items: baseline; padding-block: .85rem; border-block-end: 1px solid rgba(19, 45, 68, .2); font-weight: 500; }
.creds li::before { content: ""; flex: none; inline-size: .5rem; block-size: .6rem; background: var(--navy); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); translate: 0 -.1em; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(19, 45, 68, .18); border: 1px solid rgba(19, 45, 68, .18); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--powder); padding: 1.25rem 1rem; display: grid; gap: .35rem; }
.stat b { font: 300 clamp(1.9rem, 1.4rem + 1.8vw, 2.9rem)/1 var(--font-en); color: var(--navy); }
:lang(fa) .stat b { font-family: var(--font-fa); font-weight: 600; }
.stat span { font-size: var(--fs-xs); color: var(--blue-700); line-height: 1.45; }
:lang(fa) .stat span { font-size: .85rem; }

/* ---------- Creation scene ---------- */
.creation { position: relative; background: var(--navy-950); color: var(--white); overflow: hidden; }
.creation-pin { position: relative; block-size: 100svh; display: grid; place-items: center; overflow: hidden; }
.creation-img { position: absolute; inset: 0; will-change: transform; }
.creation-img img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 50% 40%; filter: grayscale(1) sepia(.55) saturate(.9) contrast(1.05) brightness(.8); }
.creation-img::after { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 60% at 50% 50%, rgba(11, 28, 43, 0), rgba(11, 28, 43, .82)), linear-gradient(rgba(19, 45, 68, .35), rgba(19, 45, 68, .35)); mix-blend-mode: multiply; }
.creation-spark { position: absolute; z-index: 1; inline-size: 14px; block-size: 14px; top: 42%; left: 50%; margin: -7px; border-radius: 50%; background: var(--gold-300); box-shadow: 0 0 40px 18px rgba(227, 199, 146, .55); opacity: 0; }
.creation-copy { position: relative; z-index: 2; text-align: center; display: grid; gap: 1.25rem; justify-items: center; padding-inline: var(--gutter); max-inline-size: 60rem; }
.creation-copy .display { font-size: clamp(2.4rem, 1.2rem + 5.8vw, 7.5rem); }
.creation-copy .display b { color: var(--gold); }
.creation-copy p { max-inline-size: 40rem; color: var(--powder-300); font-size: var(--fs-md); }
.creation-caption { position: absolute; z-index: 2; inset-block-end: 1.5rem; inset-inline-end: var(--gutter); font-size: .72rem; color: rgba(180, 199, 214, .65); letter-spacing: .06em; }
.no-pin .creation-pin { block-size: auto; min-block-size: 90svh; padding-block: var(--section); }

/* ---------- Services (arches) ---------- */
.services { background: var(--navy); color: var(--powder-100); overflow: hidden; }
.services-ghost { position: absolute; inset: 0; pointer-events: none; color: rgba(180, 199, 214, .07); display: flex; justify-content: space-between; align-items: center; padding-inline: 2vw; }
.services-ghost svg { block-size: 92%; inline-size: auto; }
.section-head { display: grid; gap: 1.1rem; margin-block-end: clamp(2rem, 4vw, 3.75rem); }
@media (min-width: 900px) { .section-head--split { grid-template-columns: 1fr 1fr; align-items: end; gap: 3rem; } }
.arches { display: grid; gap: clamp(.75rem, 1.4vw, 1.25rem); grid-auto-flow: column; grid-auto-columns: minmax(16.5rem, 78%); overflow-x: auto; scroll-snap-type: x mandatory; padding-block-end: 1rem; scrollbar-width: none; overscroll-behavior-x: contain; }
.arches::-webkit-scrollbar { display: none; }
@media (min-width: 700px) { .arches { grid-auto-columns: minmax(16rem, 44%); } }
@media (min-width: 1100px) { .arches { grid-auto-flow: row; grid-template-columns: repeat(3, 1fr); overflow: visible; } }
@media (min-width: 1500px) { .arches { grid-template-columns: repeat(6, 1fr); } }
.arch-card { scroll-snap-align: start; position: relative; display: flex; flex-direction: column; border-radius: 999px 999px var(--radius) var(--radius); background: var(--blue); color: var(--white); min-block-size: 25rem; padding: 2.75rem 1.5rem 1.5rem; overflow: hidden; isolation: isolate; transition: transform var(--dur-3) var(--ease-out), background-color var(--dur-3); }
.arch-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--gold); clip-path: circle(0% at 50% 30%); transition: clip-path .9s var(--ease-sculpt); }
.arch-card:hover::before, .arch-card:focus-within::before { clip-path: circle(150% at 50% 30%); }
.arch-card:hover, .arch-card:focus-within { color: var(--navy); }
.arch-card:hover .arch-hex, .arch-card:focus-within .arch-hex { background: var(--navy); color: var(--gold); }
.arch-hex { inline-size: 5.5rem; aspect-ratio: 70 / 86; margin-inline: auto; display: grid; place-items: center; background: var(--powder); color: var(--blue); clip-path: polygon(50% 0, 100% 21%, 100% 79%, 50% 100%, 0 79%, 0 21%); transition: background-color var(--dur-3), color var(--dur-3); }
.arch-hex svg { inline-size: 70%; transition: transform .9s var(--ease-sculpt); }
.arch-card[data-variant="1"] .arch-hex svg { transform: rotate(90deg); }
.arch-card[data-variant="2"] .arch-hex svg { transform: rotate(180deg); }
.arch-card[data-variant="3"] .arch-hex svg { transform: rotate(-90deg); }
.arch-card:hover .arch-hex svg, .arch-card:focus-within .arch-hex svg { transform: rotate(var(--spin, 360deg)); }
.arch-card h3 { margin-block: 1.75rem .75rem; font-size: var(--fs-lg); text-align: center; color: inherit; }
.arch-card p { font-size: var(--fs-sm); opacity: .85; text-align: center; line-height: 1.7; }
.arch-links { list-style: none; padding: 0; margin-block-start: auto; padding-block-start: 1.25rem; display: grid; gap: .1rem; border-block-start: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 22%, transparent); }
.arch-links a { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding-block: .5rem; min-block-size: 44px; font-size: var(--fs-sm); font-weight: 500; }
.arch-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.arch-card .stretched { position: absolute; inset: 0; z-index: 0; border-radius: inherit; }
.arch-card .arch-links, .arch-card h3 a { position: relative; z-index: 1; }
.scroll-hint { display: flex; align-items: center; gap: .6rem; font-size: var(--fs-xs); color: var(--powder); margin-block-start: 1rem; }
@media (min-width: 1100px) { .scroll-hint { display: none; } }

/* ---------- Procedure index (hover image) ---------- */
.index-list { list-style: none; padding: 0; border-block-start: 1px solid var(--line); counter-reset: idx; }
.index-row { border-block-end: 1px solid var(--line); counter-increment: idx; }
.index-link { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: clamp(1rem, 3vw, 3rem); align-items: center; padding-block: clamp(1.25rem, 1rem + 1.2vw, 2rem); transition: padding var(--dur-3) var(--ease-out), color var(--dur-2); }
.index-link::before { content: counter(idx, decimal-leading-zero); font: 500 var(--fs-xs)/1 var(--font-en); color: var(--gold-ink); min-inline-size: 2rem; }
:lang(fa) .index-link::before { content: counter(idx, persian); font-family: var(--font-fa); }
.index-link h3 { font-size: clamp(1.4rem, 1rem + 2vw, 2.75rem); font-weight: 300; transition: transform var(--dur-3) var(--ease-out); }
.index-link p { grid-column: 2; font-size: var(--fs-sm); color: var(--ink-mute); max-inline-size: 46rem; margin-block-start: .5rem; line-height: 1.75; }
.index-link .arrow { grid-row: 1; grid-column: 3; inline-size: 3rem; block-size: 3rem; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-strong); transition: background-color var(--dur-2), border-color var(--dur-2), color var(--dur-2); }
.index-link:hover .arrow, .index-link:focus-visible .arrow { background: var(--navy); color: var(--white); border-color: var(--navy); }
.index-link:hover h3 { transform: translateX(12px); font-weight: 600; }
[dir="rtl"] .index-link:hover h3 { transform: translateX(-12px); }
.index-preview { position: fixed; top: 0; left: 0; z-index: 60; inline-size: clamp(14rem, 20vw, 20rem); aspect-ratio: 4 / 5; pointer-events: none; opacity: 0; transform: scale(.85); transition: opacity .3s, transform .45s var(--ease-out); }
.index-preview.is-on { opacity: 1; transform: scale(1); }
.index-preview .archframe { block-size: 100%; box-shadow: var(--shadow-2); }
.index-preview img { position: absolute; inset: 0; opacity: 0; transition: opacity .35s; }
.index-preview img.is-on { opacity: 1; }
@media (hover: none), (max-width: 899px) { .index-preview { display: none; } }

/* ---------- Triangle ---------- */
.trinity { overflow: hidden; }
.trinity-grid { display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (min-width: 960px) { .trinity-grid { grid-template-columns: 1fr 1fr; } }
.tri-stage { position: relative; inline-size: min(100%, 36rem); aspect-ratio: 1; margin-inline: auto; touch-action: pan-y; }
.tri-svg { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; overflow: visible; }
.tri-rot { transform-origin: 50% 55%; transition: transform 1.1s var(--ease-sculpt); }
.tri-shape { fill: var(--navy); }
.tri-bust { position: absolute; inset: 22% 26% 6%; color: var(--powder); pointer-events: none; }
.tri-bust svg { inline-size: 100%; block-size: 100%; }
.tri-bust path { stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.tri-node { position: absolute; translate: -50% -50%; display: grid; place-items: center; min-inline-size: 44px; min-block-size: 44px; padding: .4rem .9rem; border-radius: 999px; font-weight: 800; font-size: clamp(1.25rem, 1rem + 1.2vw, 2rem); color: var(--navy); background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-1); transition: background-color var(--dur-2), color var(--dur-2), transform var(--dur-3) var(--ease-out), left 1.1s var(--ease-sculpt), top 1.1s var(--ease-sculpt); }
[dir="rtl"] .tri-node { translate: 50% -50%; }
.tri-node[aria-pressed="true"] { background: var(--gold); border-color: var(--gold); transform: scale(1.06); }
.tri-node:hover { transform: scale(1.05); }
.tri-panel { display: grid; gap: 1rem; min-block-size: 15rem; }
.tri-text { display: none; }
.tri-text.is-active { display: grid; gap: .9rem; animation: rise .7s var(--ease-out) both; }
.tri-text h3 { font-size: var(--fs-xl); font-weight: 300; }
.tri-text h3 b { font-weight: 800; color: var(--gold-ink); }
.tri-text blockquote { border-inline-start: 2px solid var(--gold); padding-inline-start: 1rem; color: var(--ink-soft); font-style: italic; }
:lang(fa) .tri-text blockquote { font-style: normal; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Gallery teaser tiles ---------- */
.gal-tiles { display: grid; gap: clamp(.75rem, 1.5vw, 1.25rem); grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .gal-tiles { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .gal-tiles { grid-template-columns: repeat(5, 1fr); } }
.gal-tile { position: relative; display: block; isolation: isolate; }
.gal-tile .frame { aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--arch); background: var(--powder-100); transition: border-radius .8s var(--ease-sculpt); }
.gal-tile:hover .frame, .gal-tile:focus-visible .frame { border-radius: var(--radius); }
.gal-tile img { inline-size: 100%; block-size: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transform: scale(1.04); transition: filter .8s var(--ease-out), transform 1.2s var(--ease-out); }
.gal-tile:hover img, .gal-tile:focus-visible img { filter: none; transform: scale(1.1); }
.gal-tile .meta { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; padding-block-start: .85rem; }
.gal-tile h3 { font-size: var(--fs-base); font-weight: 600; }
.gal-tile .count { font-size: var(--fs-xs); color: var(--gold-ink); font-weight: 600; white-space: nowrap; }
.is-dark .gal-tile .count { color: var(--gold); }

/* ---------- Timeline ---------- */
.timeline { overflow: hidden; background: var(--blue); color: var(--powder-100); }
@media (min-width: 900px) { .js-motion .timeline { min-block-size: 100svh; display: grid; grid-template-columns: minmax(0, 1fr); align-content: center; } }
.tl-pin { position: relative; min-inline-size: 0; }
.tl-track { display: flex; gap: clamp(1.5rem, 3vw, 3rem); padding-inline: var(--gutter); }
.tl-item { flex: none; inline-size: min(82vw, 26rem); display: grid; gap: 1rem; align-content: start; padding-block-start: 2.5rem; position: relative; }
.tl-item::before { content: ""; position: absolute; inset-block-start: 0; inset-inline: 0; block-size: 1px; background: var(--line-on-dark); }
.tl-item::after { content: ""; position: absolute; inset-block-start: -6px; inset-inline-start: 0; inline-size: 11px; block-size: 13px; background: var(--gold); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.tl-year { font: 200 clamp(3rem, 2rem + 4vw, 6rem)/1 var(--font-en); color: var(--white); letter-spacing: -.03em; }
:lang(fa) .tl-year { font-family: var(--font-fa); font-weight: 300; }
.tl-item h3 { font-size: var(--fs-md); color: var(--gold); }
.tl-item p { color: var(--powder-300); font-size: var(--fs-sm); line-height: 1.85; }
.tl-progress { position: absolute; inset-block-start: 0; inset-inline: var(--gutter); block-size: 1px; background: var(--gold); transform-origin: left; transform: scaleX(0); }
[dir="rtl"] .tl-progress { transform-origin: right; }
.no-pin .tl-track { flex-direction: column; }
.no-pin .tl-item { inline-size: auto; }
@media (max-width: 899px) { .tl-track { flex-direction: column; } .tl-item { inline-size: auto; } .tl-progress { display: none; } }

/* ---------- Video cards ---------- */
.videos-grid { display: grid; gap: clamp(1rem, 2vw, 1.75rem); grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.video-card { display: grid; gap: .9rem; text-align: start; inline-size: 100%; }
.video-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius); background: var(--navy); }
.video-thumb img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1s var(--ease-out), filter .6s; filter: saturate(.85); }
.video-card:hover .video-thumb img, .video-card:focus-visible .video-thumb img { transform: scale(1.06); filter: none; }
.video-play { position: absolute; inset: 0; margin: auto; inline-size: 4.25rem; block-size: 4.9rem; display: grid; place-items: center; background: rgba(19, 45, 68, .78); color: var(--white); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); transition: background-color var(--dur-2), transform var(--dur-3) var(--ease-out); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.video-play svg { inline-size: 1.25rem; margin-inline-start: .2rem; }
.video-card:hover .video-play { background: var(--gold); color: var(--navy); transform: scale(1.08); }
.video-dur { position: absolute; inset-block-end: .6rem; inset-inline-end: .6rem; padding: .2rem .55rem; border-radius: 999px; background: rgba(11, 28, 43, .78); color: var(--white); font: 600 .72rem/1.5 var(--font-en); direction: ltr; }
.video-card h3 { font-size: var(--fs-base); font-weight: 600; line-height: 1.6; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: var(--gutter); background: rgba(11, 28, 43, .9); opacity: 0; visibility: hidden; transition: opacity var(--dur-3), visibility 0s linear var(--dur-3); }
.modal.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.modal-box { position: relative; inline-size: min(100%, 72rem); transform: scale(.96); transition: transform var(--dur-3) var(--ease-out); }
.modal.is-open .modal-box { transform: none; }
.modal-frame { aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; }
.modal-frame iframe { inline-size: 100%; block-size: 100%; border: 0; }
.modal-close { position: absolute; inset-block-start: -3.25rem; inset-inline-end: 0; color: var(--white); border: 1px solid rgba(255,255,255,.3); }
.modal-title { color: var(--white); margin-block-start: 1rem; font-size: var(--fs-md); }

/* ---------- Post cards ---------- */
.cards { display: grid; gap: clamp(1rem, 2vw, 2rem); grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); }
.card { position: relative; display: flex; flex-direction: column; gap: 1rem; isolation: isolate; }
.card-media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius); background: var(--powder-100); position: relative; }
.card-media img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 1.1s var(--ease-out); }
.card:hover .card-media img { transform: scale(1.06); }
.card-media .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--powder); background: var(--navy); }
.card-media .ph svg { inline-size: 30%; }
.card-pin { position: absolute; inset-block-start: .75rem; inset-inline-start: .75rem; padding: .25rem .7rem; border-radius: 999px; background: var(--gold); color: var(--navy); font-size: .72rem; font-weight: 700; z-index: 2; }
.card-body { display: grid; gap: .6rem; }
.card-meta { display: flex; flex-wrap: wrap; gap: .35rem .9rem; font-size: var(--fs-xs); color: var(--ink-mute); }
:lang(fa) .card-meta { font-size: .85rem; }
.card-cat { position: relative; z-index: 2; color: var(--gold-ink); font-weight: 600; }
.card-title { font-size: var(--fs-md); line-height: 1.5; font-weight: 700; }
.card-title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card-title a { background: linear-gradient(currentColor, currentColor) no-repeat 100% 100% / 0 1px; transition: background-size var(--dur-3) var(--ease-sculpt); }
[dir="ltr"] .card-title a { background-position: 0 100%; }
.card:hover .card-title a { background-size: 100% 1px; }
.card-excerpt { font-size: var(--fs-sm); color: var(--ink-soft); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.is-dark .card-excerpt, .is-dark .card-meta { color: var(--powder-300); }
.is-dark .card-cat { color: var(--gold); }
.empty { padding: 3rem 1.5rem; text-align: center; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--ink-mute); }

/* ---------- Consultation / form ---------- */
.consult { background: var(--navy); color: var(--powder-100); overflow: hidden; }
.consult-grid { display: grid; gap: clamp(2rem, 5vw, 5rem); }
@media (min-width: 1000px) { .consult-grid { grid-template-columns: .9fr 1.1fr; } }
.consult-info { display: grid; gap: 1.5rem; align-content: start; }
.info-list { list-style: none; padding: 0; display: grid; gap: .25rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; padding-block: 1rem; border-block-end: 1px solid var(--line-on-dark); }
.info-item svg { inline-size: 1.35rem; block-size: 1.35rem; flex: none; color: var(--gold); margin-block-start: .25rem; }
.info-item small { display: block; font-size: var(--fs-xs); color: var(--powder); margin-block-end: .15rem; }
.info-item a, .info-item address { font-style: normal; color: var(--white); font-weight: 500; }
.info-item a:hover { color: var(--gold); }
.ltr-num { direction: ltr; unicode-bidi: isolate; display: inline-block; }
.form-card { background: var(--white); color: var(--navy); border-radius: 28px; padding: clamp(1.25rem, 1rem + 2vw, 2.75rem); box-shadow: var(--shadow-2); }
.form-card h3 { font-size: var(--fs-lg); margin-block-end: .35rem; }
.form-grid { display: grid; gap: 1rem; margin-block-start: 1.5rem; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }
.field { display: grid; gap: .4rem; }
.field label { font-size: var(--fs-sm); font-weight: 600; }
.field label .req { color: #B3261E; }
.field input, .field select, .field textarea, .ariana-contact input, .ariana-contact textarea, .ariana-contact select {
  inline-size: 100%; min-block-size: 3.25rem; padding: .8rem 1rem; border-radius: 12px;
  border: 1px solid var(--line-strong); background: var(--powder-50); color: var(--navy);
  transition: border-color var(--dur-2), box-shadow var(--dur-2), background-color var(--dur-2);
}
.field textarea, .ariana-contact textarea { min-block-size: 8.5rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .ariana-contact input:focus, .ariana-contact textarea:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 4px rgba(40, 70, 101, .15); }
.field .hint { font-size: var(--fs-xs); color: var(--ink-mute); }
.field .err, .ariana-contact__error { color: #B3261E; font-size: var(--fs-xs); font-style: normal; font-weight: 600; }
.form-note { font-size: var(--fs-xs); color: var(--ink-mute); }
.form-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-block-start: 1.25rem; }
.notice { padding: 1rem 1.25rem; border-radius: 12px; font-weight: 600; }
.notice--ok, .ariana-contact__sent { background: #E6F2EA; color: #1D5A33; border: 1px solid #B9DCC5; padding: 1rem 1.25rem; border-radius: 12px; }
.notice--err, .ariana-contact__error--summary { background: #FBEAEA; color: #8C1D18; border: 1px solid #F1C4C2; padding: 1rem 1.25rem; border-radius: 12px; }

/* Ariana's built-in contact form */
.ariana-contact { display: grid; gap: 1rem; }
.ariana-contact__row { display: grid; gap: 1rem; }
@media (min-width: 640px) { .ariana-contact__row { grid-template-columns: 1fr 1fr; } }
.ariana-contact__field { display: grid; gap: .4rem; }
.ariana-contact__field label { font-size: var(--fs-sm); font-weight: 600; }
.ariana-contact__field--invalid input, .ariana-contact__field--invalid textarea { border-color: #B3261E; }
.ariana-contact__submit { justify-self: start; min-block-size: 3.25rem; padding: .85rem 1.8rem; border-radius: 999px; background: var(--navy); color: var(--white); font-weight: 700; border: 0; transition: background-color var(--dur-2), color var(--dur-2); }
.ariana-contact__submit:hover { background: var(--gold); color: var(--navy); }

.contact-info-light .info-item { border-color: var(--line); }
.contact-info-light .info-item small { color: var(--ink-mute); }
.contact-info-light .info-item a, .contact-info-light .info-item address { color: var(--navy); }
.contact-info-light .info-item a:hover { color: var(--gold-ink); }
.contact-info-light .info-item svg { color: var(--gold-ink); }

/* Map facade */
.map-card { position: relative; overflow: hidden; border-radius: 28px; background: var(--blue); min-block-size: 22rem; display: grid; color: var(--white); isolation: isolate; }
.map-art { position: absolute; inset: 0; z-index: -1; opacity: .9; }
.map-art svg { inline-size: 100%; block-size: 100%; }
.map-pin { position: absolute; inset-block-start: 42%; inset-inline-start: 52%; translate: -50% -100%; inline-size: 3rem; color: var(--gold); filter: drop-shadow(0 8px 14px rgba(0,0,0,.35)); animation: bob 3s var(--ease-in-out) infinite; }
@keyframes bob { 50% { transform: translateY(-8px); } }
.map-pulse { position: absolute; inset-block-start: 42%; inset-inline-start: 52%; translate: -50% -50%; inline-size: 1rem; block-size: .5rem; border-radius: 50%; background: rgba(209, 170, 103, .6); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { from { box-shadow: 0 0 0 0 rgba(209, 170, 103, .55); } to { box-shadow: 0 0 0 40px rgba(209, 170, 103, 0); } }
.map-actions { align-self: end; display: flex; flex-wrap: wrap; gap: .5rem; padding: 1.25rem; background: linear-gradient(transparent, rgba(11, 28, 43, .85)); }
.map-card iframe { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; border: 0; z-index: 1; }

/* ---------- Footer ---------- */
.site-footer { position: relative; background: var(--navy-950); color: var(--powder-300); overflow: hidden; isolation: isolate; }
.footer-top { padding-block: clamp(3.5rem, 6vw, 6rem) 2.5rem; display: grid; gap: 2.5rem; }
@media (min-width: 900px) { .footer-top { grid-template-columns: 1.3fr 1fr 1fr 1.2fr; } }
.footer-brand { display: grid; gap: 1.25rem; align-content: start; }
.footer-brand .logo { inline-size: 9rem; color: var(--white); }
.footer-brand .logo .wm { margin-block-start: .8rem; }
.footer-brand p { font-size: var(--fs-sm); max-inline-size: 22rem; }
.footer-col h2 { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-block-end: 1rem; }
:lang(fa) .footer-col h2 { letter-spacing: 0; font-size: var(--fs-sm); }
.footer-links { list-style: none; padding: 0; display: grid; gap: .1rem; }
.footer-links a { display: inline-flex; min-block-size: 40px; align-items: center; font-size: var(--fs-sm); transition: color var(--dur-2); }
.footer-links a:hover { color: var(--white); }
.footer-contact { list-style: none; padding: 0; display: grid; gap: .75rem; font-size: var(--fs-sm); }
.footer-contact a { color: var(--white); }
.footer-contact a:hover { color: var(--gold); }
.socials { display: flex; gap: .5rem; }
.socials a { inline-size: 44px; block-size: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-on-dark); color: var(--white); transition: background-color var(--dur-2), color var(--dur-2), border-color var(--dur-2); }
.socials a:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.socials svg { inline-size: 1.15rem; block-size: 1.15rem; }
.footer-giant { color: rgba(180, 199, 214, .06); padding-inline: var(--gutter); margin-block-end: -1.5%; }
.footer-giant svg { inline-size: 100%; block-size: auto; }
.footer-bottom { border-block-start: 1px solid var(--line-on-dark); padding-block: 1.5rem; display: flex; flex-wrap: wrap; gap: .75rem 2rem; justify-content: space-between; font-size: var(--fs-xs); }
:lang(fa) .footer-bottom { font-size: .85rem; }
.footer-bottom a:hover { color: var(--white); }
.to-top { display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap; }
.to-top svg { inline-size: 1rem; block-size: 1rem; }
.disclaimer { font-size: var(--fs-xs); color: rgba(180, 199, 214, .7); max-inline-size: 60rem; padding-block-end: 1.5rem; }
:lang(fa) .disclaimer { font-size: .82rem; }

/* Floating quick contact */
.fab { position: fixed; z-index: 80; inset-block-end: max(1rem, env(safe-area-inset-bottom)); inset-inline-end: 1rem; display: flex; flex-direction: column; gap: .5rem; align-items: flex-end; transform: translateY(150%); transition: transform var(--dur-3) var(--ease-out); }
.fab.is-on { transform: none; }
.fab a { inline-size: 3.25rem; block-size: 3.25rem; display: grid; place-items: center; border-radius: 50%; background: var(--gold); color: var(--navy); box-shadow: var(--shadow-2); }
.fab a svg { inline-size: 1.3rem; }
@media (min-width: 1180px) { .fab .fab-call { display: none; } }

/* ---------- Inner page hero ---------- */
.page-hero { position: relative; background: var(--navy); color: var(--white); padding-block: calc(var(--header-h) + clamp(3rem, 6vw, 6rem)) clamp(3rem, 6vw, 5.5rem); overflow: hidden; isolation: isolate; }
.page-hero::before { content: ""; position: absolute; z-index: -1; inset-block-start: 18%; inset-inline-end: -6vw; inline-size: clamp(16rem, 34vw, 36rem); aspect-ratio: 3 / 4; border-radius: var(--arch); border: 1px solid rgba(180, 199, 214, .2); }
.page-hero::after { content: ""; position: absolute; z-index: -1; inset-block-start: 26%; inset-inline-end: -2vw; inline-size: clamp(14rem, 28vw, 30rem); aspect-ratio: 3 / 4; border-radius: var(--arch); border: 1px solid rgba(209, 170, 103, .22); }
.page-hero-inner { display: grid; gap: 1.25rem; max-inline-size: 58rem; }
.page-hero h1 { font-size: var(--fs-2xl); font-weight: 300; letter-spacing: var(--track-display); }
.page-hero h1 b { font-weight: 800; color: var(--gold); }
.page-hero .lead { max-inline-size: 44rem; }
.page-hero--split .page-hero-grid { display: grid; gap: 2.5rem; align-items: end; }
@media (min-width: 960px) { .page-hero--split .page-hero-grid { grid-template-columns: 1.2fr .8fr; } }
.page-hero-media { position: relative; justify-self: end; inline-size: min(100%, 26rem); aspect-ratio: 4 / 5; }
.page-hero-media .archframe { block-size: 100%; }
@media (max-width: 959.98px) { .page-hero-media { justify-self: start; inline-size: min(72vw, 20rem); } }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-size: var(--fs-xs); color: var(--powder); list-style: none; padding: 0; }
:lang(fa) .crumbs { font-size: .85rem; }
.crumbs a { color: var(--powder-100); }
.crumbs a:hover { color: var(--gold); }
.crumbs li + li::before { content: "/"; margin-inline-end: .4rem; opacity: .5; }

/* ---------- About page ---------- */
.about-intro { display: grid; gap: clamp(2rem, 5vw, 5rem); }
@media (min-width: 960px) { .about-intro { grid-template-columns: 1fr 1fr; align-items: start; } .about-intro .sticky { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); } }
.prose-lg { font-size: var(--fs-md); line-height: calc(var(--lh) + .05); color: var(--ink-soft); }
.prose-lg p + p { margin-block-start: 1.25em; }
.chapters { display: grid; gap: 0; counter-reset: ch; }
.chapter { display: grid; gap: .75rem; padding-block: clamp(1.5rem, 3vw, 2.5rem); border-block-start: 1px solid var(--line); }
@media (min-width: 760px) { .chapter { grid-template-columns: 11rem 1fr; gap: 2rem; } }
.chapter-year { font: 300 clamp(2rem, 1.4rem + 2vw, 3rem)/1 var(--font-en); color: var(--gold-ink); }
:lang(fa) .chapter-year { font-family: var(--font-fa); font-weight: 600; }
.chapter h3 { font-size: var(--fs-md); margin-block-end: .5rem; }
.chapter p { color: var(--ink-soft); }
.mosaic { display: grid; gap: clamp(.75rem, 1.5vw, 1.25rem); grid-template-columns: repeat(6, 1fr); grid-auto-rows: clamp(8rem, 14vw, 13rem); }
.mosaic > * { overflow: hidden; border-radius: var(--radius); position: relative; }
.mosaic img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.mosaic .m1 { grid-column: span 3; grid-row: span 2; border-radius: var(--arch); }
.mosaic .m2 { grid-column: span 3; grid-row: span 1; }
.mosaic .m3 { grid-column: span 3; grid-row: span 1; }
@media (max-width: 640px) { .mosaic { grid-template-columns: 1fr 1fr; grid-auto-rows: 9rem; } .mosaic .m1 { grid-column: 1 / -1; grid-row: span 2; } .mosaic .m2, .mosaic .m3 { grid-column: span 1; } }
.quote-band { text-align: center; }
.quote-band q { display: block; font-size: clamp(1.4rem, 1rem + 2vw, 2.6rem); font-weight: 300; line-height: 1.45; max-inline-size: 52rem; margin-inline: auto; quotes: "“" "”"; }
:lang(fa) .quote-band q { quotes: "«" "»"; line-height: 1.8; }
.quote-band cite { display: block; margin-block-start: 1rem; font-style: normal; color: var(--gold); letter-spacing: .1em; }

/* ---------- Gallery pages ---------- */
.gal-hub { display: grid; gap: clamp(.75rem, 2vw, 1.75rem); grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .gal-hub { grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); } }
.gal-grid { columns: 2 12rem; column-gap: clamp(.6rem, 1.4vw, 1.1rem); }
@media (min-width: 760px) { .gal-grid { columns: 3 14rem; } }
@media (min-width: 1200px) { .gal-grid { columns: 4 15rem; } }
.gal-item { break-inside: avoid; margin-block-end: clamp(.6rem, 1.4vw, 1.1rem); display: block; inline-size: 100%; border-radius: var(--radius); overflow: hidden; position: relative; background: var(--powder-100); }
.gal-item img { inline-size: 100%; transition: transform 1s var(--ease-out); }
.gal-item:hover img, .gal-item:focus-visible img { transform: scale(1.05); }
.gal-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 60%, rgba(19, 45, 68, .45)); opacity: 0; transition: opacity var(--dur-3); }
.gal-item:hover::after { opacity: 1; }
.gal-item.is-hidden { display: none; }
.gal-more { display: flex; justify-content: center; margin-block-start: 2rem; }
.gal-note { display: flex; gap: .75rem; align-items: flex-start; padding: 1rem 1.25rem; border-radius: var(--radius); background: var(--powder-50); border: 1px solid var(--line); color: var(--ink-soft); font-size: var(--fs-sm); margin-block-end: 2rem; }
.gal-note svg { flex: none; inline-size: 1.25rem; color: var(--gold-ink); margin-block-start: .2rem; }
.gal-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-end: 2rem; }
.chip svg { inline-size: 1em; block-size: 1em; }
.chip { display: inline-flex; align-items: center; gap: .4rem; min-block-size: 2.5rem; padding: .4rem 1rem; border-radius: 999px; border: 1px solid var(--line-strong); font-size: var(--fs-sm); transition: background-color var(--dur-2), color var(--dur-2), border-color var(--dur-2); }
.chip:hover { border-color: var(--navy); }
.chip.is-current { background: var(--navy); color: var(--white); border-color: var(--navy); }
.chip small { opacity: .7; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 160; display: grid; grid-template-rows: auto 1fr auto; background: rgba(11, 28, 43, .96); color: var(--white); opacity: 0; visibility: hidden; transition: opacity var(--dur-3), visibility 0s linear var(--dur-3); }
.lightbox.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.lb-bar { display: flex; justify-content: space-between; align-items: center; padding: 1rem var(--gutter); gap: 1rem; font-size: var(--fs-sm); }
.lb-stage { position: relative; display: grid; place-items: center; padding: 0 var(--gutter); min-block-size: 0; touch-action: pan-y; }
.lb-stage img { max-block-size: 78vh; max-inline-size: 100%; inline-size: auto; border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.5); transition: opacity .25s, transform .35s var(--ease-out); }
.lb-stage img.is-swap { opacity: 0; transform: scale(.97); }
.lb-nav { display: flex; justify-content: center; gap: .75rem; padding: 1rem; }
.lb-btn { inline-size: 48px; block-size: 48px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); color: var(--white); transition: background-color var(--dur-2), color var(--dur-2); }
.lb-btn:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.lb-btn svg { inline-size: 1.15rem; }
[dir="rtl"] .lb-prev svg, [dir="rtl"] .lb-next svg { transform: scaleX(-1); }

/* ---------- Archive / blog ---------- */
.archive-head { display: grid; gap: 1rem; }
.archive-desc { color: var(--powder-300); max-inline-size: 46rem; }
.archive-desc p + p { margin-block-start: .75rem; }
.archive-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; margin-block-end: 2rem; }
.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem; margin-block-start: clamp(2.5rem, 5vw, 4rem); list-style: none; padding: 0; }
.pager a, .pager span { min-inline-size: 44px; min-block-size: 44px; display: grid; place-items: center; padding-inline: .75rem; border-radius: 999px; border: 1px solid var(--line); font-weight: 600; font-size: var(--fs-sm); transition: background-color var(--dur-2), color var(--dur-2), border-color var(--dur-2); }
.pager a:hover { border-color: var(--navy); }
.pager .is-current { background: var(--navy); color: var(--white); border-color: var(--navy); }
.pager .gap { border: 0; }
.pager-label { text-align: center; color: var(--ink-mute); font-size: var(--fs-xs); margin-block-start: 1rem; }
.search-big { display: flex; gap: .5rem; max-inline-size: 40rem; padding: .4rem; border-radius: 999px; background: var(--white); }
.search-big input { flex: 1; min-inline-size: 0; border: 0; background: none; padding: .6rem 1.1rem; color: var(--navy); outline: 0; }
.author-head { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.author-head img { inline-size: 7rem; block-size: 7rem; border-radius: 50%; object-fit: cover; border: 3px solid var(--gold); }

/* ---------- Article ---------- */
.reading-bar { position: fixed; inset-block-start: 0; inset-inline: 0; block-size: 3px; z-index: 95; background: var(--gold); transform-origin: left; transform: scaleX(0); }
[dir="rtl"] .reading-bar { transform-origin: right; }
.post-hero { background: var(--navy); color: var(--white); padding-block: calc(var(--header-h) + clamp(2.5rem, 5vw, 5rem)) 0; position: relative; overflow: hidden; isolation: isolate; }
.post-hero::before { content: ""; position: absolute; z-index: -1; inset-inline: 0; inset-block-end: 0; block-size: clamp(6rem, 14vw, 12rem); background: var(--white); }
.post-hero-inner { display: grid; gap: 1.25rem; max-inline-size: 58rem; }
.post-hero h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3.6rem); line-height: 1.3; font-weight: 700; }
:lang(en) .post-hero h1 { line-height: 1.1; letter-spacing: -.02em; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; font-size: var(--fs-sm); color: var(--powder-300); }
.post-meta a { color: var(--white); }
.post-meta a:hover { color: var(--gold); }
.byline { display: flex; align-items: center; gap: .75rem; }
.byline img { inline-size: 2.75rem; block-size: 2.75rem; border-radius: 50%; object-fit: cover; border: 2px solid var(--gold); }
.byline .names a { font-weight: 700; }
.credits { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; font-size: var(--fs-xs); color: var(--powder); }
:lang(fa) .credits { font-size: .85rem; }
.credits a { color: var(--white); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(209,170,103,.6); }
.reviewed { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .8rem; border-radius: 999px; background: rgba(209, 170, 103, .15); color: var(--gold-300); }
.reviewed svg { inline-size: 1rem; }
.post-cover { margin-block-start: clamp(2rem, 4vw, 3rem); border-radius: 28px; overflow: hidden; aspect-ratio: 16 / 8; background: var(--blue); box-shadow: var(--shadow-2); }
.post-cover img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.post-layout { display: grid; gap: clamp(2rem, 4vw, 4rem); padding-block: clamp(2.5rem, 5vw, 4.5rem) var(--section); }
@media (min-width: 1100px) { .post-layout { grid-template-columns: minmax(0, 1fr) 17rem; } .post-aside { position: sticky; inset-block-start: calc(var(--header-h) + 1.5rem); align-self: start; } }
.post-aside { display: grid; gap: 1.25rem; align-content: start; }
.toc-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; background: var(--surface-alt); }
.toc-card h2 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .12em; color: var(--gold-ink); margin-block-end: .75rem; }
:lang(fa) .toc-card h2 { letter-spacing: 0; }
.toc-card ol { list-style: none; padding: 0; display: grid; gap: .1rem; max-block-size: 55vh; overflow: auto; }
.toc-card ol ol { padding-inline-start: .85rem; border-inline-start: 1px solid var(--line); margin-block: .2rem; }
.toc-card a { display: block; padding: .35rem .5rem; border-radius: 8px; font-size: var(--fs-sm); line-height: 1.5; color: var(--ink-soft); transition: background-color var(--dur-1), color var(--dur-1); }
.toc-card a:hover { background: var(--powder-100); color: var(--navy); }
.toc-card a.is-active { background: var(--navy); color: var(--white); }
@media (max-width: 1099.98px) { .toc-card details summary { cursor: pointer; } }
.aside-cta { border-radius: var(--radius); padding: 1.5rem; background: var(--navy); color: var(--powder-100); display: grid; gap: .9rem; position: relative; overflow: hidden; }
.aside-cta::after { content: ""; position: absolute; inset-inline-end: -2.5rem; inset-block-end: -3rem; inline-size: 8rem; aspect-ratio: 3/4; border-radius: var(--arch); border: 1px solid rgba(209,170,103,.4); }
.aside-cta h2 { font-size: var(--fs-md); color: var(--white); }
.share { display: flex; flex-wrap: wrap; gap: .5rem; }
.share a, .share button { inline-size: 44px; block-size: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-strong); transition: background-color var(--dur-2), color var(--dur-2); }
.share a:hover, .share button:hover { background: var(--navy); color: var(--white); }
.share svg { inline-size: 1.1rem; }

.prose { font-size: var(--fs-md); line-height: calc(var(--lh) + .05); color: #1f3850; max-inline-size: 46rem; }
:lang(fa) .prose { font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem); line-height: 2.05; }
.prose > * + * { margin-block-start: 1.15em; }
.prose h2 { font-size: var(--fs-xl); margin-block-start: 2.2em; color: var(--navy); scroll-margin-top: calc(var(--header-h) + 1.5rem); position: relative; padding-block-start: .9rem; }
.prose h2::before { content: ""; position: absolute; inset-block-start: 0; inset-inline-start: 0; inline-size: 2.5rem; block-size: 2px; background: var(--gold); }
.prose h3 { font-size: var(--fs-lg); margin-block-start: 1.8em; color: var(--navy); scroll-margin-top: calc(var(--header-h) + 1.5rem); }
.prose h4 { font-size: var(--fs-md); margin-block-start: 1.6em; }
.prose a { color: var(--blue); text-decoration: underline; text-decoration-color: var(--gold); text-decoration-thickness: 1.5px; text-underline-offset: 4px; transition: color var(--dur-1), text-decoration-color var(--dur-1); }
.prose a:hover { color: var(--gold-ink); }
.prose ul, .prose ol { padding-inline-start: 1.4rem; }
.prose li + li { margin-block-start: .5em; }
.prose ul li::marker { color: var(--gold-ink); }
.prose ol li::marker { color: var(--gold-ink); font-weight: 700; }
.prose blockquote { position: relative; padding: 1.5rem 1.75rem; border-radius: var(--radius); background: var(--powder-50); border-inline-start: 3px solid var(--gold); color: var(--navy); font-size: 1.05em; }
.prose img, .prose video { border-radius: var(--radius); margin-inline: auto; }
.prose figure, .prose .ariana-figure { margin-block: 2em; }
.prose figcaption, .ariana-figure figcaption { margin-block-start: .75rem; font-size: var(--fs-sm); color: var(--ink-mute); text-align: center; }
.prose pre { overflow-x: auto; padding: 1.25rem; border-radius: var(--radius); background: var(--navy); color: var(--powder-100); font-size: .9rem; direction: ltr; text-align: left; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; padding: .1em .35em; border-radius: 5px; background: var(--powder-100); }
.prose pre code { background: none; padding: 0; }
.prose hr { border: 0; block-size: 1px; background: var(--line); margin-block: 2.5em; }
.prose strong { color: var(--navy); }
.ariana-table { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.prose table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.prose th, .prose td { padding: .8rem 1rem; text-align: start; border-block-end: 1px solid var(--line); vertical-align: top; }
.prose thead th { background: var(--navy); color: var(--white); font-weight: 700; }
.prose tbody tr:nth-child(even) { background: var(--powder-50); }
.ariana-faq { margin-block: 2.5em; padding: clamp(1.25rem, 3vw, 2rem); border-radius: 22px; background: var(--powder-50); border: 1px solid var(--line); }
.ariana-faq h2 { margin-block-start: 0; }
.ariana-faq details { border-block-end: 1px solid var(--line); }
.ariana-faq details:last-of-type { border-block-end: 0; }
.ariana-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1rem; font-weight: 700; color: var(--navy); min-block-size: 44px; }
.ariana-faq summary::-webkit-details-marker { display: none; }
.ariana-faq summary::after { content: "+"; flex: none; inline-size: 2rem; block-size: 2rem; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-strong); font-weight: 300; font-size: 1.3rem; transition: transform var(--dur-3) var(--ease-out), background-color var(--dur-2); }
.ariana-faq details[open] summary::after { transform: rotate(45deg); background: var(--gold); border-color: var(--gold); }
.ariana-faq details > :not(summary) { padding-block-end: 1rem; color: var(--ink-soft); }
.ariana-summary { margin-block: 0 2.25rem; padding: 1.5rem 1.75rem; border-radius: 22px; background: var(--navy); color: var(--powder-100); position: relative; overflow: hidden; max-inline-size: 46rem; }
.ariana-summary::after { content: ""; position: absolute; inset-block-start: -2rem; inset-inline-end: -2rem; inline-size: 7rem; aspect-ratio: 3/4; border-radius: var(--arch); border: 1px solid rgba(209,170,103,.35); }
.ariana-summary__title { font-size: var(--fs-sm); font-weight: 700; color: var(--gold); letter-spacing: .12em; text-transform: uppercase; margin-block-end: .75rem; }
:lang(fa) .ariana-summary__title { letter-spacing: 0; font-size: var(--fs-base); }
.ariana-summary__text { line-height: 1.9; }
.ariana-summary__list { padding-inline-start: 1.2rem; display: grid; gap: .4rem; margin-block-start: .5rem; }
.ariana-summary__list li::marker { color: var(--gold); }
.ariana-author-box { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; align-items: start; margin-block-start: 3rem; padding: 1.5rem; border-radius: 22px; border: 1px solid var(--line); background: var(--surface-alt); }
.ariana-author-box__avatar, .ariana-author-box img { inline-size: 5rem; block-size: 5rem; border-radius: 50%; object-fit: cover; border: 3px solid var(--gold); }
.ariana-author-box__name { font-weight: 800; font-size: var(--fs-md); color: var(--navy); }
.ariana-author-box__role { color: var(--gold-ink); font-size: var(--fs-sm); font-weight: 600; }
.ariana-author-box__bio { color: var(--ink-soft); font-size: var(--fs-sm); margin-block-start: .5rem; }
.ariana-file { display: flex; align-items: center; gap: 1rem; max-inline-size: 32rem; padding: 1rem 1.25rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); color: var(--navy) !important; text-decoration: none !important; transition: border-color var(--dur-2), box-shadow var(--dur-2); }
.ariana-file:hover { border-color: var(--gold); box-shadow: var(--shadow-1); }
.ariana-file__icon { flex: none; inline-size: 2.75rem; color: var(--blue); }
.ariana-file__ext { font: 700 .6rem var(--font-en); }
.ariana-file__text { flex: 1; display: grid; }
.ariana-file__name { font-weight: 700; font-size: var(--fs-sm); }
.ariana-file__meta { font-size: var(--fs-xs); color: var(--ink-mute); }
.ariana-file__cta { flex: none; padding: .45rem .95rem; border-radius: 999px; background: var(--navy); color: var(--white); font-size: var(--fs-xs); font-weight: 700; }
.ariana-file--pdf .ariana-file__icon { color: #B3261E; }
.ariana-file--sheet .ariana-file__icon { color: #1D6B3A; }
.ariana-file--doc .ariana-file__icon { color: #1F4E9B; }
.post-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 2.5rem; }
.post-nav { display: grid; gap: 1rem; margin-block-start: 3rem; }
@media (min-width: 760px) { .post-nav { grid-template-columns: 1fr 1fr; } }
.post-nav a { display: grid; gap: .35rem; padding: 1.25rem 1.5rem; border-radius: var(--radius); border: 1px solid var(--line); transition: border-color var(--dur-2), background-color var(--dur-2); }
.post-nav a:hover { border-color: var(--navy); background: var(--powder-50); }
.post-nav small { color: var(--gold-ink); font-weight: 700; font-size: var(--fs-xs); }
.post-nav .next { text-align: end; }
.post-nav .next:only-child { grid-column: 2; }
.medical-note { display: flex; gap: .75rem; margin-block-start: 2.5rem; padding: 1rem 1.25rem; border-radius: var(--radius); background: var(--powder-50); border: 1px solid var(--line); font-size: var(--fs-sm); color: var(--ink-soft); max-inline-size: 46rem; }
.medical-note svg { flex: none; inline-size: 1.25rem; color: var(--gold-ink); margin-block-start: .25rem; }

/* ---------- 404 ---------- */
.nf { min-block-size: 100svh; display: grid; place-items: center; text-align: center; background: var(--navy); color: var(--white); padding: calc(var(--header-h) + 2rem) var(--gutter) 4rem; overflow: hidden; position: relative; isolation: isolate; }
.nf-code { font: 200 clamp(7rem, 24vw, 20rem)/.85 var(--font-en); letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1px rgba(180, 199, 214, .35); position: relative; }
.nf-bust { inline-size: clamp(8rem, 18vw, 13rem); margin: -4rem auto 1.5rem; color: var(--gold); }
.nf h1 { font-size: var(--fs-xl); font-weight: 300; }
.nf p { color: var(--powder-300); max-inline-size: 34rem; margin: 1rem auto 2rem; }
.nf .hero-ctas { justify-content: center; }

/* ---------- Sitemap page ---------- */
.sitemap-cols { display: grid; gap: 2.5rem; }
@media (min-width: 900px) { .sitemap-cols { grid-template-columns: 1fr 1fr; } }
.sitemap-cols h2 { font-size: var(--fs-lg); margin-block-end: 1rem; }
.sitemap-list { list-style: none; padding: 0; display: grid; }
.sitemap-list svg { inline-size: 1em; block-size: 1em; color: var(--gold-ink); }
.sitemap-list a { display: flex; gap: .75rem; align-items: center; padding-block: .6rem; border-block-end: 1px solid var(--line); min-block-size: 44px; }
.sitemap-list a:hover { color: var(--gold-ink); }

/* ---------- Misc ---------- */
.cta-strip { display: grid; gap: 1.5rem; align-items: center; padding: clamp(2rem, 4vw, 3.5rem); border-radius: 32px; background: var(--navy); color: var(--white); position: relative; overflow: hidden; isolation: isolate; }
@media (min-width: 900px) { .cta-strip { grid-template-columns: 1fr auto; } }
.cta-strip::after { content: ""; position: absolute; z-index: -1; inset-inline-end: 8%; inset-block-start: -40%; inline-size: 18rem; aspect-ratio: 3/4; border-radius: var(--arch); border: 1px solid rgba(209,170,103,.35); }
.cta-strip h2 { font-size: var(--fs-xl); font-weight: 300; }
.cta-strip h2 b { font-weight: 800; color: var(--gold); }
.cta-strip .actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.divider-hex { display: flex; align-items: center; gap: 1rem; color: var(--gold); }
.divider-hex::before, .divider-hex::after { content: ""; flex: 1; block-size: 1px; background: currentColor; opacity: .4; }
.divider-hex i { inline-size: .6rem; block-size: .72rem; background: currentColor; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.svg-draw path { fill: none; }
.tilt { transform-style: preserve-3d; will-change: transform; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .marquee-track, .hero-stamp, .map-pin { animation: none !important; }
  .js-motion [data-reveal], .js-motion [data-split] { opacity: 1 !important; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .fab, .drawer, .reading-bar, .post-aside, .cursor, .preloader { display: none !important; }
  .post-hero, .page-hero { background: none; color: #000; padding-block-start: 1rem; }
  body { font-size: 12pt; }
}
.cards > .empty { grid-column: 1 / -1; }