/* =========================================================
   فونت محلی — هیچ وابستگی به سرور بیرونی نیست
   (وزیرمتن، مجوز SIL OFL — assets/fonts/LICENSE.txt)
   ========================================================= */
@font-face {
  font-family: "Vazirmatn VF";
  src: url("../../assets/fonts/vazirmatn-var.woff2") format("woff2-variations"),
       url("../../assets/fonts/vazirmatn-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../../assets/fonts/vazirmatn-regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../../assets/fonts/vazirmatn-medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../../assets/fonts/vazirmatn-bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

/* =========================================================
   Bahar Kheirabi — portfolio
   Liquid Glass surfaces · cyan on ink · RTL-first
   ========================================================= */

:root {
  --accent: #22d3ee;
  --accent-2: #0891b2;

  --ink-900: #04080c;
  --ink-800: #071019;
  --ink-700: #0b1a25;
  --ink-600: #112635;

  --text: #eaf7fc;
  --text-soft: #a6c2d0;
  --text-dim: #6c8896;

  /* Liquid Glass tokens */
  --glass-tint: rgba(255, 255, 255, 0.07);
  --glass-tint-2: rgba(255, 255, 255, 0.02);
  --glass-rim: rgba(200, 245, 255, 0.30);
  --glass-rim-soft: rgba(200, 245, 255, 0.10);
  --glass-spec: rgba(255, 255, 255, 0.55);
  --glass-blur: 26px;
  --glass-sat: 175%;

  --shadow-lift: 0 30px 70px -34px rgba(0, 0, 0, 0.95), 0 4px 14px -6px rgba(0, 0, 0, 0.45);
  --shadow-flat: 0 12px 34px -22px rgba(0, 0, 0, 0.85);

  --bg: var(--ink-900);
  --r-l: 26px;
  --r-m: 16px;
  --r-s: 10px;

  --font-display: "Vazirmatn VF", "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Vazirmatn VF", "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;

  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.5, 1);
}

html[data-theme="light"] {
  --ink-900: #eef4f7;
  --ink-800: #e4eef3;
  --ink-700: #f7fbfc;
  --ink-600: #ffffff;

  --text: #04141d;
  --text-soft: #33525f;
  --text-dim: #64818e;

  --glass-tint: rgba(255, 255, 255, 0.62);
  --glass-tint-2: rgba(255, 255, 255, 0.38);
  --glass-rim: rgba(255, 255, 255, 0.95);
  --glass-rim-soft: rgba(6, 60, 78, 0.12);
  --glass-spec: rgba(255, 255, 255, 0.95);

  --shadow-lift: 0 28px 60px -34px rgba(6, 50, 66, 0.5), 0 3px 10px -5px rgba(6, 50, 66, 0.18);
  --shadow-flat: 0 12px 30px -22px rgba(6, 50, 66, 0.45);
}

/* ---------------- reset ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-feature-settings: "ss01";
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.5s var(--ease), color 0.4s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; margin: 0; letter-spacing: -0.015em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--accent); color: #02090d; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

/* =========================================================
   LIQUID GLASS
   لایه‌ها: تینت شیشه + مه پس‌زمینه + رینگ نوری لبه + هایلایت بالا
   ========================================================= */
.glass {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2) 62%);
  border-radius: var(--r-l);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow:
    inset 0 1px 0 var(--glass-spec),
    inset 0 0 0 1px var(--glass-rim-soft),
    var(--shadow-lift);
  overflow: hidden;
}
/* رینگ نوری متغیر روی لبه — مشخصه‌ی اصلی liquid glass */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, var(--glass-rim), transparent 38%, transparent 62%, var(--glass-rim-soft));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}
/* لنز: انکسار نور در لبه‌ها، مشخصه‌ی دوم liquid glass */
.glass > * { position: relative; z-index: 1; }

/* درخشش نرم داخلی */
.glass::after {
  content: "";
  position: absolute;
  inset-inline-start: -20%;
  top: -60%;
  width: 70%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.10), transparent);
  pointer-events: none;
  z-index: 0;
}

/* برای کسانی که شفافیت کمتر می‌خواهند */
@media (prefers-reduced-transparency: reduce) {
  .glass, .nav, .marquee, footer, .service, .work-card, .about-points li, .cert, .honor, .contact-link, .filters button {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: var(--ink-800) !important;
  }
}

/* ---------------- backdrop ---------------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(1100px 700px at 12% -10%, color-mix(in oklab, var(--accent) 20%, transparent), transparent 60%),
    radial-gradient(900px 600px at 92% 8%, color-mix(in oklab, var(--accent-2) 24%, transparent), transparent 62%),
    radial-gradient(900px 900px at 60% 110%, color-mix(in oklab, var(--accent) 11%, transparent), transparent 60%),
    var(--bg);
}
.aurora::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: conic-gradient(from 210deg at 50% 50%,
    transparent 0deg,
    color-mix(in oklab, var(--accent) 14%, transparent) 90deg,
    transparent 200deg,
    color-mix(in oklab, var(--accent-2) 16%, transparent) 300deg,
    transparent 360deg);
  filter: blur(80px);
  opacity: 0.5;
  animation: drift 40s linear infinite;
}
@keyframes drift { to { transform: rotate(360deg); } }

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(color-mix(in oklab, var(--glass-rim-soft) 60%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--glass-rim-soft) 60%, transparent) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 50% 25%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 25%, #000 0%, transparent 75%);
}

.cursor-glow {
  position: fixed;
  width: 420px; height: 420px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  translate: -50% -50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 16%, transparent), transparent 68%);
  filter: blur(30px);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
body.pointer-fine .cursor-glow { opacity: 0.55; }

.progress {
  position: fixed;
  top: 0; inset-inline-start: 0;
  height: 2px; width: 0;
  z-index: 90;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 16px var(--accent);
}

/* ---------------- layout ---------------- */
.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
section { padding: clamp(3.5rem, 9vw, 7.5rem) 0; position: relative; }

.section-head { max-width: 46rem; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.section-head .eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.section-head h2 { font-size: clamp(1.75rem, 4.4vw, 3rem); }
.section-head p { color: var(--text-soft); margin-top: 0.8rem; font-size: 1rem; }

/* ---------------- nav ---------------- */
.nav {
  position: fixed;
  top: 0.9rem;
  inset-inline-start: 50%;
  translate: -50% 0;
  z-index: 80;
  width: min(100% - 1.6rem, var(--maxw));
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 0.5rem;
  border-radius: 100px;
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  backdrop-filter: blur(24px) saturate(185%);
  -webkit-backdrop-filter: blur(24px) saturate(185%);
  box-shadow:
    inset 0 1px 0 var(--glass-spec),
    inset 0 0 0 1px var(--glass-rim-soft),
    var(--shadow-flat);
  transition: transform 0.5s var(--ease), background 0.4s, box-shadow 0.4s, padding 0.35s var(--ease);
  isolation: isolate;
  overflow: visible;
}
html[dir="rtl"] .nav { translate: 50% 0; }
.nav.scrolled {
  background: color-mix(in oklab, var(--ink-800) 74%, transparent);
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft), var(--shadow-lift);
}
.nav.hidden { transform: translateY(-170%); }

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  padding-inline-start: 0.45rem;
  flex: none;
}
.brand .mark {
  width: 34px; height: 34px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  box-shadow: inset 0 0 0 1px var(--glass-rim-soft);
}
.brand .mark img, .brand .mark svg { width: 22px; height: 22px; object-fit: contain; }
.brand > span:last-child { font-size: 0.95rem; white-space: nowrap; }

/* لینک‌ها با نشانگر شناور */
.nav-links {
  position: relative;
  display: flex;
  gap: 0.1rem;
  margin-inline: auto;
}
.nav-links a {
  position: relative;
  z-index: 1;
  padding: 0.45rem 0.85rem;
  border-radius: 100px;
  font-size: 0.88rem;
  color: var(--text-soft);
  white-space: nowrap;
  transition: color 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-pill {
  position: absolute;
  z-index: 0;
  top: 0; bottom: 0;
  inset-inline-start: 0;
  width: 0;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.10);
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 0 0 1px var(--glass-rim-soft);
  opacity: 0;
  transition: transform 0.45s var(--spring), width 0.45s var(--spring), opacity 0.3s;
  pointer-events: none;
}
html[data-theme="light"] .nav-pill { background: rgba(255, 255, 255, 0.8); }
.nav-pill.on { opacity: 1; }

.nav-actions { display: flex; align-items: center; gap: 0.3rem; flex: none; }

.icon-btn {
  width: 38px; height: 38px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 0 0 1px var(--glass-rim-soft);
  color: var(--text);
  transition: transform 0.35s var(--spring), color 0.3s, background 0.3s;
}
html[data-theme="light"] .icon-btn { background: rgba(255, 255, 255, 0.72); }
.icon-btn:hover { transform: translateY(-2px); color: var(--accent); background: rgba(255, 255, 255, 0.14); }
.icon-btn svg { width: 17px; height: 17px; }
.theme-toggle .sun { display: none; }
html[data-theme="light"] .theme-toggle .sun { display: block; }
html[data-theme="light"] .theme-toggle .moon { display: none; }

/* دکمه منو با انیمیشن تبدیل به ضربدر */
.nav-toggle { display: none; }
.nav-toggle .bars { display: grid; gap: 4px; width: 17px; }
.nav-toggle .bars i {
  display: block;
  height: 1.8px;
  width: 100%;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.4s var(--spring), opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] .bars i:nth-child(1) { transform: translateY(5.8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bars i:nth-child(3) { transform: translateY(-5.8px) rotate(-45deg); }

/* منوی موبایل: ورق شیشه‌ای */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 79;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5.2rem 0.8rem 1rem;
  background: color-mix(in oklab, var(--ink-900) 55%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-sheet {
  width: 100%;
  max-width: 420px;
  padding: 0.6rem;
  border-radius: 24px;
  transform: translateY(-14px) scale(0.97);
  transition: transform 0.45s var(--spring);
}
.mobile-menu.open .mobile-sheet { transform: none; }
.mobile-sheet nav { display: grid; gap: 0.2rem; position: relative; z-index: 1; }
.mobile-sheet nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 15px;
  font-size: 1rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  opacity: 0;
  transform: translateY(10px);
  transition: background 0.25s;
}
html[data-theme="light"] .mobile-sheet nav a { background: rgba(255, 255, 255, 0.55); }
.mobile-menu.open .mobile-sheet nav a {
  animation: sheetIn 0.45s var(--ease) forwards;
  animation-delay: calc(var(--i, 1) * 0.045s);
}
.mobile-sheet nav a:active { background: rgba(255, 255, 255, 0.12); }
.mobile-sheet nav a svg { width: 16px; height: 16px; color: var(--accent); flex: none; }
html[dir="rtl"] .mobile-sheet nav a svg { transform: scaleX(-1); }
.mobile-foot {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 0 0.4rem;
  margin-top: 0.4rem;
  border-top: 1px solid var(--glass-rim-soft);
  position: relative; z-index: 1;
  opacity: 0;
  transform: translateY(10px);
}
.mobile-menu.open .mobile-foot {
  animation: sheetIn 0.45s var(--ease) forwards;
  animation-delay: calc(var(--i, 1) * 0.045s);
}
@keyframes sheetIn { to { opacity: 1; transform: none; } }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 100px;
  border: 0;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--spring), box-shadow 0.35s, color 0.3s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
html[dir="rtl"] .btn svg { transform: scaleX(-1); }

/* هیچ آیکونی نباید بدون اندازه رها شود */
svg:not([width]) { max-width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #02121a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 14px 32px -16px color-mix(in oklab, var(--accent) 85%, transparent);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);
  translate: -130% 0;
  transition: translate 0.75s var(--ease);
}
.btn-primary:hover::after { translate: 130% 0; }
.btn:hover { transform: translateY(-3px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft);
  color: var(--text);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}
html[data-theme="light"] .btn-ghost { background: rgba(255, 255, 255, 0.6); }
.btn-ghost:hover { color: var(--accent); }

/* ---------------- hero ---------------- */
.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: 6.5rem;
  padding-bottom: 5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.38rem 0.9rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.84rem;
  color: var(--text-soft);
}
html[data-theme="light"] .hero-kicker { background: rgba(255, 255, 255, 0.6); }
.hero-kicker .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 70%, transparent);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 11px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  margin: 1rem 0 0;
  font-weight: 700;
  line-height: 1.16;
}
.hero h1 .line { display: block; }
.hero h1 .line > span { display: block; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), color-mix(in oklab, var(--accent-2) 70%, #ffffff));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
html[data-theme="light"] .hero h1 em {
  background: linear-gradient(100deg, #0e7490, #155e75);
  -webkit-background-clip: text;
  background-clip: text;
}
html[data-theme="light"] .hero-role,
html[data-theme="light"] .section-head .eyebrow,
html[data-theme="light"] .tl-item .org,
html[data-theme="light"] .honor .yr,
html[data-theme="light"] .resume-col h3,
html[data-theme="light"] .skill-group h3,
html[data-theme="light"] .work-body .meta { color: #0e7490; }
html[data-theme="light"] .contact-link .ico,
html[data-theme="light"] .service .ico { color: #0e7490; }

.hero-role {
  font-size: clamp(0.98rem, 2vw, 1.2rem);
  color: var(--accent);
  margin-top: 0.9rem;
  font-family: var(--font-display);
}
.hero-text { color: var(--text-soft); max-width: 34rem; margin-top: 1rem; font-size: 1rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.2rem, 4vw, 2.6rem);
  margin-top: 2.4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--glass-rim-soft);
}
.hero-stats .num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--text);
}
.hero-stats .lbl { font-size: 0.8rem; color: var(--text-dim); max-width: 9rem; line-height: 1.45; }

.portrait-card {
  padding: 0.6rem;
  border-radius: 30px;
  transform-style: preserve-3d;
  transition: transform 0.45s var(--ease);
}
.portrait-inner {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, var(--ink-700), var(--ink-600));
  z-index: 1;
}
.portrait-inner img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.7s var(--ease), transform 1.2s var(--ease);
}
.portrait-card:hover .portrait-inner img { filter: grayscale(0.1); transform: scale(1.04); }
.portrait-empty {
  display: grid; place-content: center; gap: 0.5rem;
  height: 100%;
  color: var(--text-dim);
  text-align: center;
  font-size: 0.85rem;
  padding: 2rem;
}
.portrait-empty svg { width: 26px; height: 26px; margin-inline: auto; }
.portrait-badge {
  position: absolute;
  inset-inline: 0.9rem;
  bottom: 0.9rem;
  padding: 0.6rem 0.9rem;
  border-radius: 14px;
  background: rgba(6, 16, 24, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  color: #eafaff;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  z-index: 2;
}

.scroll-hint {
  position: absolute;
  bottom: 1.4rem;
  inset-inline-start: 50%;
  translate: -50% 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  display: grid;
  justify-items: center;
  gap: 0.45rem;
}
html[dir="rtl"] .scroll-hint { translate: 50% 0; }
.scroll-hint .rail {
  width: 1px; height: 38px;
  background: linear-gradient(var(--accent), transparent);
  animation: rail 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes rail { 50% { scale: 1 0.4; } }

/* ---------------- marquee (بی‌نهایت) ---------------- */
.marquee {
  padding: 0.85rem 0;
  overflow: hidden;
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 -1px 0 var(--glass-rim-soft);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marq var(--dur, 30s) linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: flex; align-items: center; flex: none; }
.marquee-group i {
  font-style: normal;
  font-family: var(--font-display);
  font-size: clamp(0.88rem, 1.5vw, 1.05rem);
  color: var(--text-soft);
  white-space: nowrap;
  display: flex;
  align-items: center;
  padding-inline-end: 2.4rem;
}
.marquee-group i::after {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-inline-start: 2.4rem;
  flex: none;
}
/* یک گروه کامل جابه‌جا می‌شود، پس اتصال همیشه بی‌درز است */
@keyframes marq {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(var(--dir, -1) * var(--gw, 50%))); }
}

/* ---------------- about ---------------- */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(1.8rem, 5vw, 3.5rem); align-items: center; }
.about-photo { border-radius: var(--r-l); overflow: hidden; aspect-ratio: 3/4; position: relative; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); transition: filter 0.7s; position: relative; z-index: 1; }
.about-photo:hover img { filter: grayscale(0.15); }
.about-body h3 { font-size: clamp(1.4rem, 3vw, 2.1rem); }
.about-body > div { color: var(--text-soft); }
.about-points { list-style: none; padding: 0; margin: 1.8rem 0 0; display: grid; gap: 0.6rem; }
.about-points li {
  display: flex; align-items: flex-start; gap: 0.7rem;
  padding: 0.75rem 1rem;
  border-radius: var(--r-m);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 0 0 1px var(--glass-rim-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.93rem;
  transition: transform 0.4s var(--spring), background 0.3s;
}
html[data-theme="light"] .about-points li { background: rgba(255, 255, 255, 0.55); }
.about-points li:hover { transform: translateX(6px); background: rgba(255, 255, 255, 0.09); }
html[dir="rtl"] .about-points li:hover { transform: translateX(-6px); }
.about-points svg { width: 16px; height: 16px; color: var(--accent); flex: none; margin-top: 0.3rem; }

/* ---------------- services ---------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 940px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
.service {
  padding: 1.6rem 1.4rem;
  border-radius: var(--r-l);
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft), var(--shadow-flat);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  position: relative;
  overflow: hidden;
  transition: transform 0.45s var(--spring), box-shadow 0.4s;
}
.service::before {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 20%, transparent), transparent 70%);
  left: var(--mx, 50%); top: var(--my, 0%);
  translate: -50% -50%;
  opacity: 0;
  transition: opacity 0.45s;
  pointer-events: none;
}
.service:hover { transform: translateY(-6px); box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim), var(--shadow-lift); }
.service:hover::before { opacity: 1; }
.service > * { position: relative; z-index: 1; }
.service .ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: color-mix(in oklab, var(--accent) 15%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
  color: var(--accent);
  margin-bottom: 1rem;
}
.service .ico svg { width: 21px; height: 21px; }
.service h3 { font-size: 1.1rem; margin-bottom: 0.45rem; }
.service p { color: var(--text-soft); font-size: 0.92rem; }

/* ---------------- work ---------------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.8rem; }
.filters button {
  padding: 0.48rem 1.05rem;
  border-radius: 100px;
  border: 0;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 0 0 1px var(--glass-rim-soft);
  color: var(--text-soft);
  font-size: 0.87rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color 0.3s, background 0.3s, transform 0.3s var(--spring);
}
html[data-theme="light"] .filters button { background: rgba(255, 255, 255, 0.6); }
.filters button:hover { transform: translateY(-2px); color: var(--text); }
.filters button.active {
  color: #02121a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 10px 24px -14px var(--accent);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  gap: 1rem;
}
@media (max-width: 940px) { .work-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .work-grid { grid-template-columns: 1fr; } }
.work-card {
  border-radius: var(--r-l);
  overflow: hidden;
  position: relative;
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft), var(--shadow-flat);
  backdrop-filter: blur(16px) saturate(165%);
  -webkit-backdrop-filter: blur(16px) saturate(165%);
  cursor: pointer;
  transition: transform 0.5s var(--spring), box-shadow 0.4s;
}

.work-card.hide { display: none; }
.work-card:hover { transform: translateY(-6px); box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim), var(--shadow-lift); }
.work-media { aspect-ratio: 4/3; overflow: hidden; position: relative; background: linear-gradient(150deg, var(--ink-700), var(--ink-600)); }

.work-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.work-card:hover .work-media img { transform: scale(1.06); }
.work-media .placeholder {
  position: absolute; inset: 0;
  display: grid; place-content: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  gap: 0.4rem;
  text-align: center;
  padding: 1rem;
}
.work-media .placeholder svg { width: 24px; height: 24px; margin-inline: auto; }
.work-card { display: flex; flex-direction: column; }
.work-body { padding: 1.05rem 1.2rem 1.25rem; position: relative; z-index: 1; flex: 1; }
.work-body .meta { display: flex; gap: 0.5rem; align-items: center; font-size: 0.75rem; color: var(--accent); margin-bottom: 0.35rem; flex-wrap: wrap; }
.work-body .meta span:not(:last-child)::after { content: " ·"; color: var(--text-dim); }
.work-body h3 { font-size: 1.05rem; }
.work-body p {
  color: var(--text-soft);
  font-size: 0.88rem;
  margin-top: 0.4rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.work-shield { position: absolute; inset: 0; z-index: 3; }
.work-flag {
  position: absolute;
  top: 0.7rem; inset-inline-start: 0.7rem;
  z-index: 4;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.71rem;
  color: #02121a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 6px 16px -8px var(--accent);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  background: color-mix(in oklab, var(--ink-900) 84%, transparent);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-inner {
  width: min(100%, 940px);
  max-height: 88svh;
  overflow: auto;
  border-radius: var(--r-l);
  transform: scale(0.94);
  transition: transform 0.5s var(--spring);
}
.lightbox.open .lightbox-inner { transform: none; }
.lightbox-media { position: relative; background: var(--ink-800); z-index: 1; }
.lightbox-media img { width: 100%; max-height: 58svh; object-fit: contain; }
.lightbox-body { padding: 1.4rem; position: relative; z-index: 1; }
.lightbox-body h3 { font-size: 1.35rem; }
.lightbox-body .meta { color: var(--accent); font-size: 0.8rem; margin-bottom: 0.4rem; }
.lightbox-body p { color: var(--text-soft); margin-top: 0.6rem; }
.lightbox-close { position: absolute; top: 0.8rem; inset-inline-end: 0.8rem; z-index: 5; background: rgba(6, 16, 24, 0.6); }

/* ---------------- skills ---------------- */
.skills-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 1rem;
}
@media (max-width: 940px) { .skills-groups { grid-template-columns: repeat(2, 1fr); } }
.skill-group { padding: 1.5rem 1.4rem; }
.skill-group > * { position: relative; z-index: 1; }
.skill-group h3 { font-size: 1.02rem; color: var(--accent); margin-bottom: 1.2rem; }
.skill { margin-bottom: 1rem; }
.skill:last-child { margin-bottom: 0; }
.skill .row { display: flex; justify-content: space-between; gap: 0.8rem; font-size: 0.87rem; margin-bottom: 0.4rem; }
.skill .row b { font-weight: 500; }
.skill .row i { font-style: normal; color: var(--text-dim); font-size: 0.79rem; flex: none; }
html[dir="rtl"] .bar i { margin-inline-start: 0; }
.bar { height: 5px; border-radius: 100px; background: color-mix(in oklab, var(--text-dim) 26%, transparent); overflow: hidden; box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3); }
.bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 12px color-mix(in oklab, var(--accent) 55%, transparent);
  transition: width 1.1s var(--ease);
}
html:not(.js) .bar i { width: var(--w, 0%); }

/* ---------------- resume ---------------- */
.resume-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.resume-col h3 { font-size: 1.02rem; color: var(--accent); margin-bottom: 1.3rem; }
.timeline { position: relative; padding-inline-start: 1.5rem; }
.timeline::before {
  content: "";
  position: absolute;
  inset-inline-start: 4px;
  top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--accent), transparent);
}
.tl-item { position: relative; padding-bottom: 1.7rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  inset-inline-start: -1.5rem;
  top: 0.5rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 13%, transparent);
}
.tl-item .when { font-size: 0.78rem; color: var(--text-dim); }
.tl-item h4 { font-size: 1.02rem; margin: 0.2rem 0 0.15rem; }
.tl-item .org { font-size: 0.88rem; color: var(--accent); }
.tl-item .desc { color: var(--text-soft); font-size: 0.89rem; margin-top: 0.45rem; }
.tl-item .desc p { margin-bottom: 0.25rem; }

.cert-list { display: grid; gap: 0.6rem; margin-top: 1rem; }
.cert {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-m);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 0 var(--glass-rim-soft), inset 0 0 0 1px var(--glass-rim-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.4s var(--spring), background 0.3s;
}
html[data-theme="light"] .cert { background: rgba(255, 255, 255, 0.55); }
.cert:hover { transform: translateX(5px); background: rgba(255, 255, 255, 0.09); }
html[dir="rtl"] .cert:hover { transform: translateX(-5px); }
.cert b { font-weight: 500; font-size: 0.95rem; }
.cert small { display: block; color: var(--text-dim); font-size: 0.79rem; line-height: 1.5; }
.cert .when { color: var(--text-dim); font-size: 0.79rem; white-space: nowrap; flex: none; }

/* ---------------- honors ---------------- */
.honors-list { display: grid; gap: 0.8rem; }
.honor {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: start;
  padding: 1.3rem 1.5rem;
  border-radius: var(--r-l);
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft), var(--shadow-flat);
  backdrop-filter: blur(16px) saturate(165%);
  -webkit-backdrop-filter: blur(16px) saturate(165%);
  transition: transform 0.42s var(--spring), box-shadow 0.4s;
}
.honor:hover { transform: translateY(-4px); box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim), var(--shadow-lift); }
.honor .yr {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.3;
  min-width: 3.4rem;
}
.honor h3 { font-size: 1rem; font-weight: 500; line-height: 1.55; }
.honor p { color: var(--text-soft); font-size: 0.86rem; margin-top: 0.3rem; }

/* ---------------- contact ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: stretch; }
.contact-card { padding: clamp(1.4rem, 3.5vw, 2.4rem); display: flex; flex-direction: column; }
.contact-card > * { position: relative; z-index: 1; }
.contact-card h2 { font-size: clamp(1.7rem, 3.8vw, 2.6rem); }
.contact-card > p { color: var(--text-soft); margin-top: 0.9rem; }
.contact-links { display: grid; gap: 0.55rem; margin-top: auto; padding-top: 1.8rem; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--r-m);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 var(--glass-spec), inset 0 0 0 1px var(--glass-rim-soft);
  transition: transform 0.4s var(--spring), background 0.3s;
}
html[data-theme="light"] .contact-link { background: rgba(255, 255, 255, 0.6); }
.contact-link:hover { transform: translateX(6px); background: rgba(255, 255, 255, 0.11); }
html[dir="rtl"] .contact-link:hover { transform: translateX(-6px); }
.contact-link .ico { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: color-mix(in oklab, var(--accent) 15%, transparent); color: var(--accent); flex: none; }
.contact-link .ico svg { width: 17px; height: 17px; }
.contact-link b { display: block; font-weight: 500; font-size: 0.94rem; }
.contact-link small { color: var(--text-dim); font-size: 0.79rem; word-break: break-all; }
.contact-link.telegram .ico { background: color-mix(in oklab, var(--accent) 28%, transparent); }

form.contact-form { display: grid; gap: 0.8rem; }
.field label { display: block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.3rem; }
.field input, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--r-m);
  border: 0;
  background: color-mix(in oklab, var(--ink-700) 55%, transparent);
  box-shadow: inset 0 0 0 1px var(--glass-rim-soft);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  transition: box-shadow 0.3s, background 0.3s;
}
html[data-theme="light"] .field input, html[data-theme="light"] .field textarea { background: rgba(255, 255, 255, 0.7); }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; box-shadow: inset 0 0 0 1px var(--accent), 0 0 0 3px color-mix(in oklab, var(--accent) 18%, transparent); }
.form-note { font-size: 0.8rem; color: var(--text-dim); }
.alert { padding: 0.75rem 1rem; border-radius: var(--r-m); font-size: 0.89rem; box-shadow: inset 0 0 0 1px currentColor; }
.alert.ok { background: color-mix(in oklab, var(--accent) 12%, transparent); color: var(--accent); }
.alert.err { background: rgba(248, 113, 113, 0.12); color: #fca5a5; }
html[data-theme="light"] .alert.err { color: #b91c1c; }

/* ---------------- footer ---------------- */
footer {
  padding: 2.5rem 0 2.2rem;
  background: linear-gradient(160deg, var(--glass-tint), var(--glass-tint-2));
  box-shadow: inset 0 1px 0 var(--glass-rim-soft);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: space-between; align-items: center; }
.footer-inner .credit { font-size: 0.88rem; color: var(--text-soft); }
.footer-inner .credit a { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.footer-inner .credit a:hover { border-color: var(--accent); }
.footer-inner .copy { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.2rem; }
.footer-social { display: flex; gap: 0.45rem; }

/* =========================================================
   REVEAL — فقط وقتی جاوااسکریپت زنده است محتوا پنهان می‌شود
   ========================================================= */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}
html.js [data-reveal].in { opacity: 1; transform: none; }

/* ---------------- image protection ---------------- */
.protected .work-media img,
.protected .portrait-inner img,
.protected .about-photo img,
.protected .lightbox-media img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.84rem; }
}

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .hero { min-height: auto; padding-top: 7rem; padding-bottom: 3.5rem; }
  .hero-grid > div:first-child { order: 2; }
  .portrait-card { order: 1; max-width: 340px; margin-inline: auto; width: 100%; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 320px; margin-inline: auto; }
  .resume-cols, .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: grid; }
  .scroll-hint { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { width: calc(100% - 1.6rem); }
  section { padding: 3rem 0; }

  .nav { top: 0.6rem; width: calc(100% - 1.2rem); padding: 0.45rem 0.5rem; gap: 0.4rem; }
  .brand { padding-inline-start: 0.35rem; }
  .brand .mark { width: 28px; height: 28px; }
  .brand span { font-size: 0.85rem; }
  .icon-btn { width: 34px; height: 34px; }

  .hero { padding-top: 6rem; }
  .hero h1 { font-size: clamp(1.9rem, 9vw, 2.6rem); }
  .hero-cta { gap: 0.5rem; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-stats { gap: 1rem 1.6rem; margin-top: 1.8rem; }
  .hero-stats > div { flex: 1 1 40%; }
  .hero-stats .lbl { max-width: none; font-size: 0.75rem; }


  .honor { grid-template-columns: 1fr; gap: 0.4rem; padding: 1.1rem 1.2rem; }
  .honor .yr { font-size: 1.1rem; }

  .cert { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
  .cert .when { white-space: normal; }

  .section-head { margin-bottom: 1.5rem; }
  .services-grid, .skills-groups { grid-template-columns: 1fr; }
  .contact-card { padding: 1.3rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }

  .lightbox { padding: 0.7rem; }
  .lightbox-media img { max-height: 45svh; }
}

@media (max-width: 380px) {
  .brand span { display: none; }
  .hero-stats > div { flex: 1 1 100%; }
}

/* ---------------- motion & print ---------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .nav, .aurora, .grain, .cursor-glow, .progress, .scroll-hint, .marquee, .mobile-menu { display: none !important; }
  body { background: #fff; color: #000; }
  html.js [data-reveal] { opacity: 1 !important; transform: none !important; }
}


/* =========================================================
   LIQUID GLASS — لایه‌های تکمیلی
   ========================================================= */

/* هایلایت تخصصی که با حرکت اشاره‌گر جابه‌جا می‌شود */
.glass-interactive {
  --gx: 50%;
  --gy: 50%;
  transition: transform 0.45s var(--spring), box-shadow 0.4s var(--ease);
}
.glass-interactive::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(220px circle at var(--gx) var(--gy),
    rgba(255, 255, 255, 0.16), transparent 65%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
  z-index: 3;
}
.glass-interactive:hover::after { opacity: 1; }

/* فشردگی فنری هنگام لمس/کلیک — بازخورد لمسی liquid glass */
.glass-interactive:active,
.btn:active,
.icon-btn:active,
.filters button:active { transform: scale(0.972); }

/* لبه‌ی زیرین: نور بازتابیده از پس‌زمینه */
.glass::before {
  background: linear-gradient(150deg,
    var(--glass-rim) 0%,
    transparent 34%,
    transparent 60%,
    color-mix(in oklab, var(--accent) 26%, transparent) 100%);
}

/* عمق: هرچه کارت بالاتر می‌آید، مه پشتش بیشتر می‌شود */
.service:hover, .work-card:hover, .honor:hover {
  backdrop-filter: blur(30px) saturate(190%);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
}

/* کنتراست پویا: متن روی شیشه همیشه خوانا بماند */
@supports not (backdrop-filter: blur(1px)) {
  .glass, .nav, .marquee, .service, .work-card, .honor, .contact-link, footer {
    background: color-mix(in oklab, var(--ink-800) 92%, transparent);
  }
}