/* ═══════════════════════════════════════════════════════════════════
   آبتابان — سیستم طراحی (Design System)
   RTL · Vazirmatn · Dark premium · Deep-tech agriculture
   ═══════════════════════════════════════════════════════════════════ */

/* ─────────────── توکن‌ها ─────────────── */
:root {
  color-scheme: dark;
  --bg: #0A0E1A;
  --bg2: #0D1B2A;
  --bg3: #101f31;
  --accent: #1A6B8A;
  --hl: #00C9FF;
  --gold: #C9A84C;
  --text: #E8EDF5;
  --muted: #7A8FA6;
  --line: rgba(0, 201, 255, .12);
  --glass: rgba(13, 27, 42, .55);
  --glass-strong: rgba(10, 14, 26, .8);
  --grad: linear-gradient(135deg, #00C9FF, #1A6B8A);
  --grad-gold: linear-gradient(135deg, #C9A84C, #8a6d2f);
  --shadow: 0 24px 60px -18px rgba(0, 0, 0, .65);
  --glow: 0 0 34px rgba(0, 201, 255, .35);
  --r-sm: 12px; --r-md: 18px; --r-lg: 26px;
  --font: 'Vazirmatn', Tahoma, 'Segoe UI', sans-serif;
  --font-num: 'Vazirmatn', Tahoma, 'Segoe UI', sans-serif;
  --nav-h: 74px;
  --ease: cubic-bezier(.22, .8, .3, 1);
}

/* ─────────────── پایه ─────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  background-image:
    radial-gradient(1000px 500px at 85% -10%, rgba(26, 107, 138, .22), transparent 60%),
    radial-gradient(800px 400px at 8% 110%, rgba(0, 201, 255, .08), transparent 60%);
  background-attachment: scroll;
  color: var(--text);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
img[src=""], img:not([src]) { visibility: hidden !important; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }
::selection { background: rgba(0, 201, 255, .3); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1e3450; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.container { width: min(1200px, 92%); margin-inline: auto; }

/* ─────────────── تایپوگرافی ─────────────── */
h1, h2, h3, h4 { line-height: 1.45; font-weight: 800; }
.num { font-family: var(--font-num); direction: ltr; display: inline-block; }

.section { padding: 96px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg2), var(--bg)); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--hl); font-size: .85rem; font-weight: 600; letter-spacing: .5px;
  padding: 6px 16px; border: 1px solid var(--line); border-radius: 100px;
  background: rgba(0, 201, 255, .06); margin-bottom: 16px;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--hl); box-shadow: 0 0 10px var(--hl); }
.section-title { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 900; margin-bottom: 14px; }
.section-sub { color: var(--muted); font-size: 1.02rem; }
.grad-text {
  background: linear-gradient(90deg, var(--hl), #5fd4ff 45%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ─────────────── دکمه‌ها ─────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 30px; border-radius: 100px; font-weight: 700; font-size: 1rem;
  transition: transform .3s var(--ease), box-shadow .3s, background .3s;
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--glow); }
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,.35) 50%, transparent 65%);
  transform: translateX(160%); transition: transform .7s var(--ease);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(0,201,255,.5); }
.btn-primary:hover::after { transform: translateX(-160%); }
.btn-ghost {
  background: rgba(13, 27, 42, .5); border: 1px solid var(--line);
  backdrop-filter: blur(10px); color: var(--text);
  -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: rgba(0,201,255,.5); box-shadow: var(--glow); }
.btn-gold { background: var(--grad-gold); color: #fff; box-shadow: 0 14px 40px -12px rgba(201,168,76,.5); }
.btn-gold:hover { transform: translateY(-3px); }
.btn-sm { padding: 10px 22px; font-size: .92rem; }
.btn-block { width: 100%; }
.whatsapp-btn { background: #1faf5a; color: #fff; }
.whatsapp-btn:hover { transform: translateY(-3px); box-shadow: 0 0 40px rgba(31,175,90,.4); }

/* ─────────────── هدر / ناوبری ─────────────── */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .35s, box-shadow .35s, backdrop-filter .35s;
}
.site-header.scrolled {
  background: rgba(10, 14, 26, .82);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 40px -12px rgba(0, 0, 0, .7);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; font-size: 1.25rem; }
.brand-logo { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: var(--grad); box-shadow: var(--glow); }
.brand-logo svg { width: 24px; height: 24px; fill: #fff; }
.brand small { display: block; font-size: .68rem; color: var(--gold); font-weight: 600; letter-spacing: 2px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 10px 18px; border-radius: 100px; font-size: .96rem; font-weight: 600;
  color: var(--muted); transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--text); background: rgba(0,201,255,.08); }
.nav-links a.active { color: var(--hl); background: rgba(0,201,255,.1); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-phone { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.nav-phone svg { width: 19px; height: 19px; color: var(--hl); }
.nav-phone small { display: block; font-size: .68rem; color: var(--muted); font-weight: 500; }
/* ── همبرگری انیمیشنی (تبدیل به ✕) ── */
.nav-burger {
  display: none; position: relative; width: 46px; height: 46px;
  border-radius: 14px; border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(10px);
  place-items: center;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.nav-burger span {
  position: absolute; right: 13px; left: 13px; height: 2.5px;
  border-radius: 4px; background: var(--text);
  transition: transform .45s var(--ease), opacity .3s, background .3s;
}
.nav-burger span:nth-child(1) { transform: translateY(-7px); }
.nav-burger span:nth-child(2) { }
.nav-burger span:nth-child(3) { transform: translateY(7px); }
.nav-burger:hover { border-color: rgba(0,201,255,.45); background: rgba(0,201,255,.08); box-shadow: var(--glow); }
.nav-burger:hover span { background: var(--hl); }
.nav-burger.open span:nth-child(1) { transform: translateY(-7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: translateX(12px); }
.nav-burger.open span:nth-child(3) { transform: translateY(7px) rotate(-45deg); }

/* ── پس‌زمینه محو شده ── */
.mobile-backdrop {
  position: fixed; inset: 0; z-index: 98;
  background: rgba(4, 7, 13, .68);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  opacity: 0; transition: opacity .45s var(--ease);
}
.mobile-backdrop.open { opacity: 1; }

/* ── کشوی منو ── */
.mobile-menu {
  position: fixed; top: 0; bottom: 0; right: 0; z-index: 99;
  width: min(86%, 380px);
  display: flex; flex-direction: column;
  background:
    radial-gradient(640px 300px at 100% 0%, rgba(0,201,255,.13), transparent 60%),
    linear-gradient(180deg, #101f31, #0a0e1a 65%);
  border-inline-start: 1px solid var(--line);
  box-shadow: -30px 0 70px rgba(0, 0, 0, .6);
  transform: translateX(105%);
  transition: transform .55s var(--ease);
  overflow-y: auto; overscroll-behavior: contain;
}
.mobile-menu.open { transform: translateX(0); }

.mm-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px 14px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.mm-brand { display: flex; align-items: center; gap: 12px; }
.mm-brand .brand-logo { width: 42px; height: 42px; border-radius: 13px; }
.mm-brand-txt b { display: block; font-size: 1.08rem; font-weight: 900; line-height: 1.45; }
.mm-brand-txt small { color: var(--gold); font-size: .66rem; font-weight: 600; letter-spacing: 1.5px; }
.mm-close {
  margin-inline-start: auto; width: 42px; height: 42px;
  border-radius: 12px; display: grid; place-items: center;
  background: rgba(0,201,255,.06); border: 1px solid var(--line); color: var(--muted);
  transition: all .3s;
}
.mm-close:hover { color: #fff; background: var(--grad); transform: rotate(90deg); box-shadow: var(--glow); }
.mm-close svg { width: 20px; height: 20px; }

.mm-nav { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 5px; padding: 14px 14px; overflow-y: auto; }
.mm-link {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: 13px;
  color: var(--muted); font-weight: 700; font-size: 1rem;
  border: 1px solid transparent;
  transition: color .25s, background .25s, border-color .25s, transform .25s var(--ease);
}
.mm-link .mm-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: rgba(0,201,255,.35); transition: all .25s;
}
.mm-link .mm-arrow {
  margin-inline-start: auto; opacity: 0; transform: translateX(-6px);
  transition: all .3s var(--ease);
}
.mm-link .mm-arrow svg { width: 18px; height: 18px; color: var(--hl); }
.mm-link:hover { color: var(--text); background: rgba(0,201,255,.06); transform: translateX(-4px); }
.mm-link:hover .mm-dot { background: var(--hl); box-shadow: 0 0 12px var(--hl); }
.mm-link:hover .mm-arrow { opacity: 1; transform: translateX(0); }
.mm-link.active {
  color: var(--hl);
  background: linear-gradient(90deg, rgba(0,201,255,.14), rgba(0,201,255,.02));
  border-color: rgba(0,201,255,.22);
}
.mm-link.active .mm-dot { background: var(--hl); box-shadow: 0 0 12px var(--hl); }
.mm-link.active .mm-arrow { opacity: 1; transform: translateX(0); }

/* استقرار پلکانی لینک‌ها هنگام باز شدن */
.mobile-menu.open .mm-link {
  animation: mmLinkIn .55s var(--ease) backwards;
  animation-delay: calc(.12s + var(--i) * 55ms);
}
@keyframes mmLinkIn {
  from { opacity: 0; transform: translateX(26px); }
  to   { opacity: 1; transform: translateX(0); }
}

.mm-foot {
  padding: 14px 20px 18px;
  border-top: 1px solid rgba(255,255,255,.07);
  background: rgba(0,201,255,.035);
}
.mm-phone {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 800; font-size: 1.05rem; margin-bottom: 14px; color: var(--gold);
}
.mm-phone svg { width: 20px; height: 20px; color: var(--hl); animation: pulse 2.2s infinite; }
.mm-phone small { display: block; font-size: .68rem; color: var(--muted); font-weight: 500; }
.mm-social { display: flex; justify-content: center; gap: 10px; margin-top: 12px; }
.mm-social a {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(0,201,255,.06); border: 1px solid var(--line); color: var(--muted);
  transition: all .3s;
}
.mm-social a:hover { color: #fff; background: var(--grad); transform: translateY(-3px); box-shadow: var(--glow); }
.mm-social svg { width: 19px; height: 19px; }

/* ── نوار پیشرفت مطالعه ── */
.scroll-progress {
  position: fixed; top: 0; right: 0; height: 3px; width: 0%; z-index: 120;
  background: linear-gradient(90deg, var(--hl), #5fd4ff, var(--gold));
  box-shadow: 0 0 12px rgba(0,201,255,.55);
  transition: width .12s linear;
}

/* ── ترنزیشن بین صفحات (View Transitions) ── */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: vtPageOut .3s ease both;
}
::view-transition-new(root) {
  animation: vtPageIn .45s var(--ease) both;
}

@keyframes vtPageOut {
  to { opacity: 0; transform: translateY(-14px) scale(.994); }
}
@keyframes vtPageIn {
  from { opacity: 0; transform: translateY(16px) scale(.994); }
  to   { opacity: 1; transform: none; }
}

/* ── کاهش حرکت ── */
@media (prefers-reduced-motion: reduce) {
  .mobile-menu, .mobile-backdrop, .nav-burger span { transition: none !important; }
  .mobile-menu.open .mm-link { animation: none !important; }
  .hero::before { animation: none !important; }
  .hero-ripple { display: none !important; }
  .hero-keyword { animation: none !important; border-inline-end-color: transparent; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none !important; }
}

/* ─────────────── هیرو ─────────────── */
.hero {
  --hero-scroll-y: 0px;
  --hero-bg-x: 0px; --hero-bg-y: 0px;
  --hero-img-x: 0px; --hero-img-y: 0px;
  --hero-wave-x: 0px; --hero-wave-y: 0px;
  --hero-light-x: 0px; --hero-light-y: 0px;
  --hero-copy-x: 0px; --hero-copy-y: 0px;
  --hero-drop-x: 0px; --hero-drop-y: 0px;
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; padding-top: var(--nav-h); isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -4;
  transform: translate3d(var(--hero-bg-x), var(--hero-bg-y), 0);
  will-change: transform;
}
@media (hover: none), (prefers-reduced-motion: reduce) {
  .hero-bg, .hero-bg img, .hero-inner, .hero-droplet { transform: none !important; will-change: auto; }
}
.hero-bg img {
  width: 100%; height: 120%; object-fit: cover;
  will-change: transform;
  transform: translate3d(var(--hero-img-x), calc(var(--hero-scroll-y) + var(--hero-img-y)), 0) scale(1.1);
  filter: saturate(1.06) contrast(1.04);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, #0A0E1A 42%, rgba(10,14,26,.55) 62%, rgba(10,14,26,.25) 100%);
}
/* نور حجمی آرام: حس تابش نور روی سطح آب */
.hero::before {
  content: ''; position: absolute; inset: -12%; z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse 42% 22% at 78% 18%, rgba(110, 235, 255, .18), transparent 70%),
    radial-gradient(ellipse 28% 18% at 18% 38%, rgba(255, 255, 255, .08), transparent 72%);
  mix-blend-mode: screen;
  animation: heroLightDrift 12s ease-in-out infinite alternate;
  will-change: transform;
}
.hero-ripple {
  position: absolute; inset: 0; z-index: -1;
  width: 100%; height: 100%; max-width: none;
  opacity: 0; pointer-events: none; mix-blend-mode: screen;
  transform: translate3d(var(--hero-wave-x), var(--hero-wave-y), 0) scale(1.025);
  will-change: transform, opacity;
  transition: opacity .8s ease;
}
.hero-ripple.is-ready { opacity: 1; }
@keyframes heroLightDrift {
  from { transform: translate3d(calc(-2% + var(--hero-light-x)), calc(-1% + var(--hero-light-y)), 0) scale(1); }
  to { transform: translate3d(calc(3% + var(--hero-light-x)), calc(2% + var(--hero-light-y)), 0) scale(1.08); }
}
.hero-inner {
  position: relative; z-index: 2; padding: 80px 0 130px;
  transform: translate3d(var(--hero-copy-x), var(--hero-copy-y), 0);
  will-change: transform;
}
.hero-droplet {
  translate: var(--hero-drop-x) var(--hero-drop-y);
  will-change: translate;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px;
  border-radius: 100px; border: 1px solid rgba(201,168,76,.4);
  background: rgba(201,168,76,.08); color: var(--gold); font-size: .9rem; font-weight: 700;
  margin-bottom: 24px; animation: fadeUp .8s var(--ease) both;
}
.hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); animation: pulse 1.8s infinite; }
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 4rem); font-weight: 900; line-height: 1.35;
  margin-bottom: 18px; animation: fadeUp .8s .1s var(--ease) both;
}
.hero-title-main { display: block; }
.hero-keyword-line {
  display: flex; align-items: baseline; gap: .28em;
  direction: rtl;
  min-height: 1.42em; margin-top: .12em;
  font-size: .58em; line-height: 1.5; font-weight: 800;
  color: #dceeff;
}
.hero-keyword-prefix { color: rgba(232, 237, 245, .78); font-size: .72em; font-weight: 600; }
.hero-keyword {
  display: inline-block; min-width: 15ch;
  color: var(--hl); white-space: nowrap;
  background: linear-gradient(90deg, #74e7ff, var(--hl) 45%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  border-inline-end: 2px solid var(--hl); padding-inline-end: .12em;
  text-shadow: 0 0 24px rgba(0, 201, 255, .25);
}
.hero-keyword.is-typing, .hero-keyword.is-deleting { border-inline-end-color: var(--gold); }
.hero-keyword::after { content: ''; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.hero-sub { font-size: clamp(1rem, 2.2vw, 1.3rem); color: #b8c9dc; max-width: 620px; margin-bottom: 36px; animation: fadeUp .8s .2s var(--ease) both; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp .8s .3s var(--ease) both; }

/* قطره آب سه‌بعدی */
.hero-droplet { position: absolute; z-index: 1; opacity: .9; pointer-events: none; }
.droplet {
  position: relative; width: 120px; height: 120px;
  animation: floaty 7s ease-in-out infinite;
}
.droplet::before {
  content: ''; position: absolute; inset: 0;
  border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.9), rgba(0,201,255,.4) 40%, rgba(13,27,42,.92) 78%);
  box-shadow: 0 0 70px rgba(0,201,255,.4), inset -10px -16px 28px rgba(0,201,255,.25);
  animation: spin3d 16s linear infinite;
}
.droplet::after {
  content: ''; position: absolute; top: 16%; right: 24%; width: 16px; height: 12px;
  border-radius: 50%; background: rgba(255,255,255,.85); filter: blur(2px);
}
.bubble { position: absolute; border-radius: 50%; background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.9), rgba(0,201,255,.25)); animation: bubbleUp linear infinite; }

/* موج‌های پایین هیرو */
.hero-wave { position: absolute; bottom: -1px; inset-inline: 0; z-index: 2; line-height: 0; }
.hero-wave svg { width: 100%; height: 90px; display: block; }

/* ─────────────── نوار آمار ─────────────── */
.stats-bar { position: relative; z-index: 5; margin-top: -70px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px;
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(12px); padding: 34px 20px; box-shadow: var(--shadow);
}
.stat { text-align: center; padding: 8px; }
.stat-num { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: var(--hl); font-family: var(--font-num); display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.stat-num span:last-child { color: var(--gold); font-size: .6em; }
.stat-label { color: var(--muted); font-size: .95rem; margin-top: 6px; }
.stat + .stat { border-inline-start: 1px solid var(--line); }

/* ─────────────── کارت‌های شیشه‌ای ─────────────── */
.card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md);
  backdrop-filter: blur(14px); padding: 30px 26px;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset-inline: 0; top: 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity .35s;
}
.card:hover { border-color: rgba(0,201,255,.4); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,201,255,.16), rgba(26,107,138,.1));
  border: 1px solid rgba(0,201,255,.25); margin-bottom: 20px;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.card-icon svg { width: 27px; height: 27px; color: var(--hl); }
.card:hover .card-icon { transform: scale(1.08) rotate(-4deg); box-shadow: var(--glow); }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .95rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 22px; }

/* ─────────────── چرا ما ─────────────── */
.why-wrap { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.1fr); gap: 56px; align-items: center; }
.why-visual { position: relative; min-height: 480px; }
.why-layers { position: absolute; inset: 0; perspective: 1000px; }
.layer {
  position: absolute; border-radius: var(--r-lg); transition: transform .4s var(--ease);
}
.layer-1 { inset: 6% 4%; background: linear-gradient(160deg, rgba(0,201,255,.16), rgba(13,27,42,.4)); border: 1px solid rgba(0,201,255,.2); transform: rotateZ(-2deg); animation: floaty 8s ease-in-out infinite; }
.layer-2 { inset: 14% 12%; background: linear-gradient(160deg, rgba(26,107,138,.55), rgba(13,27,42,.7)); border: 1px solid rgba(26,107,138,.35); transform: rotateZ(1.5deg); animation: floaty 9s ease-in-out infinite reverse; }
.layer-3 { inset: 24% 20%; background: radial-gradient(circle at 50% 30%, rgba(0,201,255,.5), rgba(13,27,42,.85) 70%); border: 1px solid rgba(0,201,255,.4); box-shadow: var(--glow); animation: floaty 10s ease-in-out infinite; }
.layer-3::after { content: ''; position: absolute; inset: 12% 30% 20%; border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%; background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.8), rgba(0,201,255,.35) 45%, transparent 75%); }
.why-badge {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px;
  background: var(--glass-strong); border: 1px solid var(--line); border-radius: 100px;
  padding: 12px 20px; backdrop-filter: blur(12px); box-shadow: var(--shadow); animation: floaty 6s ease-in-out infinite;
}
.why-badge svg { width: 20px; height: 20px; color: var(--gold); }
.why-badge b { font-weight: 800; }
.why-badge span { color: var(--muted); font-size: .85rem; }
.why-b1 { top: 8%; right: 0; }
.why-b2 { bottom: 10%; left: 0; animation-delay: -3s; }
.feature { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
.feature:last-child { border-bottom: none; }
.feature-icon { width: 52px; height: 52px; flex: none; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(0,201,255,.14), rgba(26,107,138,.08)); border: 1px solid rgba(0,201,255,.2); }
.feature-icon svg { width: 24px; height: 24px; color: var(--hl); }
.feature h4 { margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: .95rem; }

/* ─────────────── نظرات ─────────────── */
.testi-slider { position: relative; max-width: 800px; margin-inline: auto; }
.testi-viewport { overflow: hidden; }
.testi-track { display: flex; transition: transform .7s var(--ease); }
.testi-slide { min-width: 100%; padding: 8px; }
.testi-card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(10px); padding: 42px 40px; text-align: center; position: relative;
}
.testi-card .quote-ic { position: absolute; top: 24px; right: 28px; width: 42px; height: 42px; color: rgba(0,201,255,.25); }
.testi-text { font-size: 1.08rem; color: #cfe0f0; margin-bottom: 26px; font-weight: 500; }
.testi-avatar {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 12px;
  display: grid; place-items: center; font-weight: 900; font-size: 1.25rem; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--hl)); box-shadow: var(--glow);
}
.testi-name { font-weight: 800; }
.testi-place { color: var(--muted); font-size: .88rem; }
.testi-dots { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.testi-dot { width: 10px; height: 10px; border-radius: 100px; background: #26415e; transition: all .35s; }
.testi-dot.active { width: 32px; background: var(--grad); box-shadow: var(--glow); }
.testi-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(10px);
  transition: all .3s; z-index: 2;
}
.testi-nav:hover { background: var(--grad); box-shadow: var(--glow); }
.testi-nav svg { width: 20px; height: 20px; }
.testi-prev { right: -20px; }
.testi-next { left: -20px; }

/* ─────────────── پروژه‌ها ─────────────── */
.project-card {
  display: block; border-radius: var(--r-md); overflow: hidden; position: relative;
  border: 1px solid var(--line); background: var(--bg3); height: 100%;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
  cursor: pointer;
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(0,201,255,.35); }
.project-media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(135deg, rgba(26,107,138,.3), rgba(13,27,42,.5)); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project-card:hover .project-media img { transform: scale(1.1); }
.project-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,.92) 8%, transparent 55%);
  opacity: 0; transition: opacity .4s;
  pointer-events: none; /* تا کلیک به تصویر (لایت‌باکس) برسد */
}
.project-card:hover .project-media::after { opacity: 1; }
.project-media img { cursor: zoom-in; }
.project-zoom {
  position: absolute; top: 50%; left: 50%; width: 54px; height: 54px;
  margin: -27px 0 0 -27px; display: grid; place-items: center;
  border-radius: 50%; background: rgba(13,27,42,.55);
  border: 1px solid rgba(255,255,255,.28); color: #fff;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; transform: scale(.55); z-index: 2; pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.project-zoom svg { width: 21px; height: 21px; }
.project-card:hover .project-zoom { opacity: 1; transform: scale(1); }
.project-body { padding: 22px; }
.project-title { font-size: 1.12rem; font-weight: 800; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.project-title svg { width: 18px; height: 18px; color: var(--hl); flex: none; }
.project-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .85rem; }
.project-meta span { display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px; border-radius: 100px; background: rgba(0,201,255,.07); border: 1px solid var(--line); }
.project-meta svg { width: 14px; height: 14px; color: var(--hl); }
.project-overlay {
  position: absolute; inset: auto 0 0 0; padding: 20px; z-index: 2;
  transform: translateY(100%); transition: transform .45s var(--ease);
  color: #fff;
}
.project-card:hover .project-overlay { transform: translateY(0); }
.project-overlay .po-title { font-weight: 800; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.project-overlay .po-title svg { width: 17px; height: 17px; color: var(--hl); }
.project-overlay .po-desc { font-size: .85rem; color: #c3d4e6; }

/* ─────────────── CTA ─────────────── */
.cta-banner {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  padding: 76px 40px; text-align: center; border: 1px solid var(--line);
  background: linear-gradient(135deg, #0D1B2A, #10293d);
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 160'%3E%3Cpath fill='rgba(0,201,255,0.07)' d='M0,64 C240,96 480,24 720,48 C960,72 1200,104 1440,64 L1440,160 L0,160 Z'/%3E%3Cpath fill='rgba(0,201,255,0.05)' d='M0,96 C240,120 480,64 720,80 C960,96 1200,120 1440,88 L1440,160 L0,160 Z'/%3E%3C/svg%3E");
  background-size: 100% 100%;
}
.cta-banner::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 50% 0%, rgba(0,201,255,.12), transparent 70%);
}
.cta-banner h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-banner p { color: var(--muted); margin-bottom: 30px; position: relative; z-index: 1; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-phone { display: inline-flex; align-items: center; gap: 12px; font-size: 1.2rem; font-weight: 900; color: var(--gold); }
.cta-phone svg { width: 26px; height: 26px; animation: pulse 2s infinite; }

/* ─────────────── فوتر ─────────────── */
.site-footer { background: #070b13; border-top: 1px solid var(--line); padding: 70px 0 0; position: relative; }
.site-footer::before { content: ''; position: absolute; inset-inline: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,201,255,.4), transparent); }
.footer-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.3fr); gap: 40px; padding-bottom: 50px; }
.footer-brand p { color: var(--muted); font-size: .93rem; margin: 16px 0 20px; max-width: 300px; }
.footer h4 { font-size: 1.02rem; margin-bottom: 18px; color: var(--text); position: relative; padding-bottom: 10px; }
.footer h4::after { content: ''; position: absolute; bottom: 0; right: 0; width: 34px; height: 2px; background: var(--grad); border-radius: 2px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--muted); font-size: .92rem; transition: color .25s, padding-right .25s; display: inline-flex; align-items: center; gap: 8px; }
.footer-links a::before { content: '←'; color: var(--hl); opacity: 0; transition: opacity .25s; }
.footer-links a:hover { color: var(--hl); padding-right: 6px; }
.footer-links a:hover::before { opacity: 1; }
.footer-contact li { display: flex; gap: 12px; color: var(--muted); font-size: .92rem; margin-bottom: 14px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; color: var(--hl); flex: none; margin-top: 4px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(0,201,255,.07); border: 1px solid var(--line); color: var(--muted);
  transition: all .3s;
}
.footer-social a:hover { color: #fff; background: var(--grad); transform: translateY(-3px); box-shadow: var(--glow); }
.footer-social svg { width: 19px; height: 19px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }
.footer-bottom a { color: var(--hl); }

/* ─────────────── صفحه نمونه کارها ─────────────── */
.page-hero {
  position: relative; padding: calc(var(--nav-h) + 70px) 0 80px; text-align: center;
  background: linear-gradient(180deg, var(--bg2), var(--bg));
  border-bottom: 1px solid var(--line); overflow: hidden;
}
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(700px 300px at 50% -20%, rgba(0,201,255,.15), transparent 70%); }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; margin-bottom: 12px; position: relative; }
.page-hero p { color: var(--muted); max-width: 560px; margin-inline: auto; position: relative; }

.filters { position: sticky; top: var(--nav-h); z-index: 50; background: rgba(10,14,26,.9); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); padding: 16px 0; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-chip {
  padding: 8px 18px; border-radius: 100px; border: 1px solid var(--line);
  background: var(--glass); color: var(--muted); font-size: .9rem; font-weight: 600;
  transition: all .3s;
}
.filter-chip:hover { color: var(--text); border-color: rgba(0,201,255,.4); }
.filter-chip.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: var(--glow); }
.filter-select { padding: 9px 16px; border-radius: 100px; border: 1px solid var(--line); background: var(--glass); color: var(--text); font-size: .9rem; outline: none; }

/* جستجوی متنی */
.filter-search-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.search-box {
  flex: 1; max-width: 440px; position: relative;
  display: flex; align-items: center;
}
.search-box svg:first-child {
  position: absolute; right: 16px; color: var(--muted); pointer-events: none; width: 18px; height: 18px;
}
.search-box input {
  width: 100%; padding: 12px 44px 12px 44px; border-radius: 100px;
  border: 1px solid var(--line); background: var(--glass); color: var(--text);
  font-size: .93rem; outline: none; transition: border-color .3s, box-shadow .3s;
  backdrop-filter: blur(10px);
}
.search-box input:focus { border-color: var(--hl); box-shadow: 0 0 0 4px rgba(0,201,255,.12); }
.search-box input::placeholder { color: var(--muted); }
.search-clear {
  position: absolute; left: 12px; width: 30px; height: 30px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(0,201,255,.1); border: 1px solid var(--line); color: var(--muted);
  cursor: pointer; transition: all .25s;
}
.search-clear:hover { background: rgba(255,107,107,.15); border-color: rgba(255,107,107,.3); color: #ff6b6b; }
.search-count { color: var(--muted); font-size: .82rem; white-space: nowrap; }

.masonry { columns: 3; column-gap: 22px; }
.masonry .project-card { break-inside: avoid; margin-bottom: 22px; }
.project-card.fade-out { animation: fadeOut .3s both; }
.project-card.fade-in { animation: fadeUp .5s var(--ease) both; }

/* ─────────────── لایت‌باکس ─────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(6, 9, 16, .94);
  display: none; align-items: center; justify-content: center; padding: 40px;
  backdrop-filter: blur(8px);
}
.lightbox.open { display: flex; animation: fadeIn .3s both; }
.lightbox-img { max-width: min(900px, 90vw); max-height: 72vh; border-radius: var(--r-md); box-shadow: var(--shadow); object-fit: contain; }
.lightbox-cap { text-align: center; margin-top: 20px; max-width: 700px; }
.lightbox-cap h3 { font-size: 1.25rem; margin-bottom: 4px; }
.lightbox-cap p { color: var(--muted); font-size: .92rem; }
.lightbox-x, .lightbox-arrow {
  position: absolute; width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center;
  background: var(--glass); border: 1px solid var(--line); transition: all .3s; z-index: 2;
}
.lightbox-x:hover, .lightbox-arrow:hover { background: var(--grad); box-shadow: var(--glow); }
.lightbox-x svg, .lightbox-arrow svg { width: 22px; height: 22px; }
.lightbox-x { top: 24px; left: 24px; }
.lightbox-arrow.prev { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-arrow.next { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-counter { position: absolute; bottom: 24px; inset-inline: 0; text-align: center; color: var(--muted); font-size: .9rem; }

/* ─────────────── تایم‌لاین ─────────────── */
.timeline { position: relative; max-width: 820px; margin-inline: auto; padding-inline-start: 30px; }
.timeline::before { content: ''; position: absolute; top: 0; bottom: 0; right: 0; width: 3px; background: linear-gradient(180deg, var(--hl), var(--accent), transparent); border-radius: 3px; }
.tl-item { position: relative; padding-bottom: 44px; padding-right: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; right: -11px; top: 6px; width: 17px; height: 17px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--hl); box-shadow: 0 0 0 4px rgba(0,201,255,.15), var(--glow);
}
.tl-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); backdrop-filter: blur(12px); padding: 24px 26px; transition: transform .35s var(--ease), border-color .35s; }
.tl-card:hover { transform: translateX(-8px); border-color: rgba(0,201,255,.35); }
.tl-year { color: var(--gold); font-weight: 800; font-size: .92rem; font-family: var(--font-num); direction: ltr; display: inline-block; margin-bottom: 6px; }
.tl-card h3 { margin-bottom: 6px; }
.tl-card p { color: var(--muted); font-size: .94rem; }

/* ─────────────── تیم ─────────────── */
.team-card { text-align: center; padding: 34px 20px; }
.team-avatar {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
  font-size: 2rem; font-weight: 900; color: #fff; position: relative;
  background: linear-gradient(135deg, var(--accent), var(--hl)); box-shadow: var(--glow);
}
.team-avatar::after { content: ''; position: absolute; inset: -8px; border-radius: 50%; border: 2px dashed rgba(0,201,255,.35); animation: spin 18s linear infinite; }
.team-card h3 { font-size: 1.1rem; }
.team-role { color: var(--hl); font-size: .88rem; font-weight: 600; margin: 4px 0 8px; }
.team-bio { color: var(--muted); font-size: .88rem; }

/* ─────────────── تاییدیه‌ها ─────────────── */
.certs { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cert {
  display: flex; align-items: center; gap: 12px; padding: 16px 26px; border-radius: 16px;
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(10px);
  transition: all .3s; font-weight: 700;
}
.cert:hover { border-color: rgba(201,168,76,.5); transform: translateY(-3px); box-shadow: 0 14px 34px -14px rgba(201,168,76,.35); }
.cert svg { width: 24px; height: 24px; color: var(--gold); }

/* ─────────────── آکاردئون خدمات ─────────────── */
.acc { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--glass); backdrop-filter: blur(12px); overflow: hidden; margin-bottom: 16px; transition: border-color .3s; }
.acc.open { border-color: rgba(0,201,255,.4); box-shadow: var(--shadow); }
.acc-head { width: 100%; display: flex; align-items: center; gap: 16px; padding: 22px 26px; text-align: right; }
.acc-head .card-icon { margin: 0; width: 52px; height: 52px; }
.acc-head h3 { font-size: 1.08rem; flex: 1; }
.acc-head .chev { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(0,201,255,.08); border: 1px solid var(--line); transition: transform .35s; flex: none; }
.acc.open .chev { transform: rotate(180deg); background: var(--grad); }
.acc-head .chev svg { width: 18px; height: 18px; }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }
.acc-body { padding: 0 26px 28px; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); gap: 30px; align-items: center; }
.acc-desc { color: #c3d4e6; margin-bottom: 18px; }
.steps { display: grid; gap: 10px; }
.step { display: flex; align-items: center; gap: 12px; font-size: .93rem; color: var(--muted); }
.step b {
  width: 30px; height: 30px; flex: none; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,201,255,.2), rgba(26,107,138,.12)); border: 1px solid rgba(0,201,255,.3);
  color: var(--hl); font-size: .85rem; font-weight: 800;
}
.acc-img { border-radius: var(--r-md); aspect-ratio: 16/10; object-fit: cover; width: 100%; border: 1px solid var(--line); }

/* ─────────────── نوار شرکا ─────────────── */
.marquee { overflow: hidden; direction: ltr; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.partner {
  display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: #5a7391;
  white-space: nowrap; padding: 18px 34px; border: 1px solid rgba(255,255,255,.07); border-radius: 16px;
  background: rgba(255,255,255,.02); transition: color .3s, border-color .3s;
}
.partner svg { width: 22px; height: 22px; color: var(--gold); }
.partner:hover { color: var(--text); border-color: rgba(0,201,255,.3); }

/* ─────────────── صفحه جزئیات پروژه ─────────────── */
.proj-hero {
  position: relative; min-height: 55vh; display: flex; align-items: flex-end;
  padding: calc(var(--nav-h) + 60px) 0 70px; overflow: hidden;
}
.proj-hero-bg {
  position: absolute; inset: 0; z-index: -2; background-size: cover;
  background-position: center 40%; background-repeat: no-repeat;
}
.proj-hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, #0A0E1A 20%, rgba(10,14,26,.4) 55%, rgba(10,14,26,.15) 100%);
}
.proj-hero-inner { position: relative; z-index: 1; }
.proj-back {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 28px;
  color: var(--muted); font-size: .93rem; font-weight: 600; transition: color .25s;
  padding: 8px 18px; border-radius: 100px; background: rgba(10,14,26,.4);
  border: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(8px);
}
.proj-back:hover { color: var(--hl); border-color: rgba(0,201,255,.3); }
.proj-back svg { width: 18px; height: 18px; }
.proj-type-badge {
  display: inline-block; padding: 7px 18px; border-radius: 100px;
  border: 1px solid rgba(201,168,76,.4); background: rgba(201,168,76,.1);
  color: var(--gold); font-size: .88rem; font-weight: 700; margin-bottom: 16px;
}
.proj-title { font-size: clamp(1.8rem, 4.5vw, 2.8rem); font-weight: 900; line-height: 1.4; margin-bottom: 12px; }
.proj-subtitle { color: #c3d4e6; font-size: 1.05rem; max-width: 650px; }
.proj-layout { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 36px; align-items: start; }
.proj-specs-card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); padding: 10px 6px; margin-bottom: 24px;
}
.proj-specs-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 2px; }
.spec-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 8px; padding: 22px 14px; border-radius: 16px; transition: background .3s;
}
.spec-item:hover { background: rgba(0,201,255,.04); }
.spec-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,201,255,.14), rgba(26,107,138,.08));
  border: 1px solid rgba(0,201,255,.2);
}
.spec-icon svg { width: 20px; height: 20px; color: var(--hl); }
.spec-label { color: var(--muted); font-size: .82rem; font-weight: 500; }
.spec-value { font-weight: 800; font-size: 1.05rem; color: var(--text); }
.proj-desc-card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); padding: 30px; margin-bottom: 24px;
}
.proj-section-title {
  font-size: 1.2rem; font-weight: 800; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; gap: 10px;
}
.proj-section-title::before {
  content: ''; width: 4px; height: 22px; border-radius: 4px; background: var(--grad);
}
.proj-desc p { color: #c3d4e6; line-height: 2; font-size: .96rem; }
.proj-features { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg); backdrop-filter: blur(14px); padding: 30px; }
.proj-features-grid { display: grid; gap: 16px; margin-top: 8px; }
.proj-feat-item { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.proj-feat-item:last-child { border-bottom: none; }
.proj-feat-icon {
  width: 48px; height: 48px; flex: none; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,201,255,.12), rgba(26,107,138,.06));
  border: 1px solid rgba(0,201,255,.18);
}
.proj-feat-icon svg { width: 22px; height: 22px; color: var(--hl); }
.proj-feat-item h4 { font-size: 1rem; margin-bottom: 4px; }
.proj-feat-item p { color: var(--muted); font-size: .89rem; }
.proj-cta-card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); padding: 30px 24px; text-align: center; margin-bottom: 22px;
  position: sticky; top: calc(var(--nav-h) + 20px);
}
.proj-cta-icon {
  width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; background: var(--grad); box-shadow: var(--glow);
}
.proj-cta-icon svg { color: #fff; }
.proj-cta-card h3 { font-size: 1.08rem; margin-bottom: 6px; }
.proj-cta-card p { color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.proj-cta-tel {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 14px;
  font-weight: 800; font-size: 1.05rem; color: var(--gold); transition: color .25s;
}
.proj-cta-tel svg { width: 20px; height: 20px; }
.proj-cta-tel:hover { color: var(--hl); }

/* ── گالری تصاویر پروژه ── */
.proj-gallery-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px;
}
.proj-gallery-item {
  border-radius: var(--r-md); overflow: hidden;
  aspect-ratio: 4/3; cursor: zoom-in;
  background: linear-gradient(135deg, rgba(26,107,138,.3), rgba(13,27,42,.5));
  transition: transform .3s var(--ease), box-shadow .3s;
}
.proj-gallery-item:hover { transform: scale(1.03); box-shadow: var(--glow); }
.proj-gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.proj-gallery-item:hover img { transform: scale(1.1); }

.proj-related {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); padding: 24px;
  position: sticky; top: calc(var(--nav-h) + 380px);
}
.proj-related h3 { font-size: 1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.06); }
.related-card {
  display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.03);
  transition: opacity .25s;
}
.related-card:last-child { border-bottom: none; }
.related-card:hover { opacity: .8; }
.related-img {
  width: 72px; height: 54px; flex: none; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line);
}
.related-img img { width: 100%; height: 100%; object-fit: cover; }
.related-info b { display: block; font-size: .92rem; margin-bottom: 2px; }
.related-info span { color: var(--muted); font-size: .8rem; }

/* ─────────────── بلاگ / مقالات ─────────────── */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px;
}
.blog-card {
  display: block; border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--line); background: var(--glass);
  backdrop-filter: blur(12px); transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.blog-card:hover { transform: translateY(-6px); border-color: rgba(0,201,255,.35); box-shadow: var(--shadow); }
.blog-card-img { aspect-ratio: 16/9; overflow: hidden; background: linear-gradient(135deg, rgba(26,107,138,.3), rgba(13,27,42,.5)); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.blog-card:hover .blog-card-img img { transform: scale(1.08); }
.blog-card-body { padding: 22px 20px; }
.blog-card-cat {
  display: inline-block; padding: 4px 14px; border-radius: 100px;
  background: rgba(0,201,255,.1); border: 1px solid rgba(0,201,255,.2);
  color: var(--hl); font-size: .78rem; font-weight: 700; margin-bottom: 12px;
}
.blog-card h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card p { color: var(--muted); font-size: .9rem; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: .8rem; }
.blog-card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.blog-card-meta svg { width: 14px; height: 14px; color: var(--hl); flex: none; }

/* ── صفحه مقاله تکی ── */
.article-hero {
  position: relative; min-height: 58vh; display: flex; align-items: flex-end;
  padding: calc(var(--nav-h) + 60px) 0 80px; overflow: hidden;
}
.article-hero-bg {
  position: absolute; inset: 0; z-index: -3; background-size: cover;
  background-position: center 30%;
}
.article-hero-overlay {
  position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(to top, #0A0E1A 18%, rgba(10,14,26,.5) 50%, rgba(10,14,26,.2) 100%);
}
.article-hero-inner { position: relative; z-index: 1; }
.article-back {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px;
  color: var(--muted); font-size: .9rem; font-weight: 600;
  padding: 8px 18px; border-radius: 100px; background: rgba(10,14,26,.40);
  border: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(8px);
  transition: color .25s;
}
.article-back:hover { color: var(--hl); border-color: rgba(0,201,255,.3); }
.article-category {
  display: inline-block; padding: 6px 16px; border-radius: 100px;
  background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.3);
  color: var(--gold); font-size: .84rem; font-weight: 700; margin-bottom: 16px;
}
.article-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; line-height: 1.5; margin-bottom: 12px; }
.article-excerpt { color: #c3d4e6; font-size: 1.02rem; max-width: 650px; margin-bottom: 20px; }
.article-meta { display: flex; align-items: center; gap: 12px; }
.article-author-avatar {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-weight: 900; font-size: 1.15rem;
  box-shadow: var(--glow); flex: none;
}
.article-author { display: block; font-weight: 700; }
.article-date { color: var(--muted); font-size: .84rem; }

/* ── چیدمان مقاله ── */
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 42px; align-items: start; }
.article-content {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); padding: 40px 36px;
  font-size: 1rem; color: #cfe0f0; line-height: 2.1;
}
.article-content h3 {
  font-size: 1.25rem; margin: 32px 0 12px; padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; gap: 10px;
}
.article-content h3::before {
  content: ''; width: 4px; height: 20px; border-radius: 4px; background: var(--grad);
}
.article-content p { margin-bottom: 14px; }
.article-content strong { color: #fff; }

/* ── سایدبار مقاله ── */
.article-sidebar { display: grid; gap: 18px; position: sticky; top: calc(var(--nav-h) + 20px); }
.article-tags-card, .article-related, .article-cta {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md);
  backdrop-filter: blur(12px); padding: 22px 20px;
}
.article-tags-card h4, .article-related h3 { font-size: .95rem; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.06); }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.article-tag {
  padding: 6px 14px; border-radius: 100px; background: rgba(0,201,255,.07);
  border: 1px solid var(--line); color: var(--muted); font-size: .8rem;
  transition: all .25s;
}
.article-tag:hover { color: var(--hl); border-color: rgba(0,201,255,.3); }
.article-cta { text-align: center; padding: 26px 20px; }
.article-cta-icon {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 14px;
  display: grid; place-items: center; background: var(--grad); box-shadow: var(--glow);
}
.article-cta-icon svg { color: #fff; }
.article-cta h4 { font-size: .98rem; margin-bottom: 4px; }
.article-cta p { color: var(--muted); font-size: .84rem; margin-bottom: 16px; }

/* ─────────────── فرم تماس ─────────────── */
.contact-wrap { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); gap: 40px; align-items: start; }
.form-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);  backdrop-filter: blur(10px); padding: 40px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 600; color: #b8c9dc; }
/* Honeypot ضد اسپم: کاملاً از دید کاربر پنهان — ربات‌ها هنوز آن را می‌بینند و پر می‌کنند */
.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.field input, .field select, .field textarea {
  background: rgba(10, 14, 26, .6); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 18px; font-size: .95rem; outline: none; transition: border-color .3s, box-shadow .3s;
  width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--hl); box-shadow: 0 0 0 4px rgba(0,201,255,.12); }
.field select option { background: var(--bg2); }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 12px; display: flex; align-items: center; gap: 8px; }
.form-note svg { width: 16px; height: 16px; color: var(--hl); }

.info-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg); backdrop-filter: blur(14px); padding: 34px; margin-bottom: 22px; }
.info-row { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.info-row:last-of-type { border-bottom: none; }
.info-row .card-icon { margin: 0; width: 48px; height: 48px; }
.info-row .card-icon svg { width: 22px; height: 22px; }
.info-row h4 { font-size: .95rem; margin-bottom: 2px; }
.info-row a, .info-row span { color: var(--muted); font-size: .93rem; direction: ltr; display: inline-block; text-align: right; }
.info-row a:hover { color: var(--hl); }
.info-social { display: flex; gap: 10px; margin-top: 18px; }
.info-social a { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: rgba(0,201,255,.07); border: 1px solid var(--line); color: var(--muted); transition: all .3s; }
.info-social a:hover { color: #fff; background: var(--grad); transform: translateY(-3px); box-shadow: var(--glow); }
.info-social svg { width: 20px; height: 20px; }

.map-box {
  position: relative; border-radius: var(--r-lg); overflow: hidden; min-height: 240px;
  background: var(--bg2);
  background-image:
    linear-gradient(rgba(0,201,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,201,255,.07) 1px, transparent 1px);
  background-size: 34px 34px;
  border: 1px solid var(--line);
}
.map-pin {
  position: absolute; inset-inline: 0; top: 50%; transform: translateY(-60%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.map-pin .pin-ic { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); box-shadow: var(--glow); animation: pulse 2.2s infinite; }
.map-pin .pin-ic svg { width: 26px; height: 26px; color: #fff; }
.map-pin b { font-size: .95rem; }
.map-pin span { color: var(--muted); font-size: .85rem; }
.map-box .map-open {
  position: absolute; bottom: 16px; inset-inline: 0; text-align: center;
}

/* ─────────────── توست ─────────────── */
.toast {
  position: fixed; bottom: 30px; right: 50%; transform: translateX(50%) translateY(120px);
  background: var(--glass-strong); border: 1px solid rgba(0,201,255,.35); border-radius: 100px;
  padding: 15px 28px; font-weight: 700; z-index: 300; backdrop-filter: blur(14px);
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px;
  transition: transform .5s var(--ease); max-width: 90vw; text-align: center;
}
.toast.show { transform: translateX(50%) translateY(0); }
.toast svg { width: 20px; height: 20px; color: var(--hl); flex: none; }

/* ─────────────── انیمیشن‌ها ─────────────── */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; } .reveal.d4 { transition-delay: .4s; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(14px); } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes spin3d { from { transform: rotateY(0deg) rotateX(12deg); } to { transform: rotateY(360deg) rotateX(12deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,201,255,.5); } 50% { opacity: .6; box-shadow: 0 0 0 12px rgba(0,201,255,0); } }
@keyframes keywordCaret { 0%, 48% { border-inline-end-color: var(--hl); } 49%, 100% { border-inline-end-color: transparent; } }
.hero-keyword { animation: keywordCaret .8s steps(1, end) infinite; }
@keyframes bubbleUp {
  0% { transform: translateY(0) scale(.6); opacity: 0; }
  15% { opacity: .8; }
  100% { transform: translateY(-90px) scale(1.15); opacity: 0; }
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ─────────────── ریسپانسیو ─────────────── */
@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .masonry { columns: 2; }
  .footer-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  .why-wrap { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .why-visual { min-height: 380px; }
  .contact-wrap { grid-template-columns: minmax(0,1fr); }
  .proj-layout { grid-template-columns: minmax(0,1fr); }
  .proj-specs-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .proj-gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
  .blog-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .article-layout { grid-template-columns: minmax(0,1fr); }
  .article-sidebar { position: static; }
  .proj-related, .proj-cta-card { position: static; }
  .acc-body { grid-template-columns: minmax(0,1fr); }
  .testi-nav { display: none; }
}
/* ─────────────── دکمه بازگشت به بالا ─────────────── */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 150;
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); box-shadow: var(--glow);
  opacity: 0; pointer-events: none;
  transform: translateY(16px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 0 44px rgba(0,201,255,.55); }
.back-to-top svg { width: 22px; height: 22px; color: #fff; }

/* ═══════════════ تم روشن ═══════════════ */
body.light {
  color-scheme: light;
  --bg: #F4F8FC;
  --bg2: #E9F1F9;
  --bg3: #E1EBF5;
  --accent: #1A6B8A;
  --hl: #008FB8;
  --gold: #A9842E;
  --text: #15243C;
  --muted: #5B7189;
  --line: rgba(13, 90, 130, .16);
  --glass: rgba(255, 255, 255, .72);
  --glass-strong: rgba(255, 255, 255, .9);
  --grad: linear-gradient(135deg, #00A8D8, #1A6B8A);
  --grad-gold: linear-gradient(135deg, #B9932E, #8a6d2f);
  --shadow: 0 24px 60px -18px rgba(28, 58, 88, .28);
  --glow: 0 0 34px rgba(0, 168, 216, .3);
}

/* ── دکمه تغییر تم ── */
.theme-toggle {
  width: 44px; height: 44px; border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(10px);
  display: grid; place-items: center; color: var(--text);
  transition: border-color .3s, box-shadow .3s, background .3s, color .3s;
}
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle:hover { color: var(--hl); border-color: rgba(0,201,255,.45); box-shadow: var(--glow); }
.theme-toggle.spin svg { animation: themeSpin .5s var(--ease); }
@keyframes themeSpin {
  from { transform: rotate(-60deg) scale(.6); opacity: .3; }
  to   { transform: rotate(0) scale(1); opacity: 1; }
}

/* ── ترنزیشن نرم هنگام تعویض تم ── */
body.theme-anim, body.theme-anim * {
  transition: background-color .35s ease, color .35s ease, border-color .35s ease, fill .35s ease !important;
}
@media (prefers-reduced-motion: reduce) {
  body.theme-anim, body.theme-anim * { transition: none !important; }
}

/* ── اصلاحات رنگ‌های ثابت در تم روشن ── */
body.light ::-webkit-scrollbar-thumb { background: #B7C8DA; }
/* هدر: در تم روشن همیشه شیشه‌ای روشن تا متن‌ها روی تصاویر هیرو خوانا بمانند */
body.light .site-header { background: rgba(244, 248, 252, .86); backdrop-filter: blur(10px); }
body.light .site-header.scrolled { background: rgba(255, 255, 255, .93); }
/* متن‌های روی هیروهای تصویری (که تاریک می‌مانند) باید سفید بمانند */
body.light .hero h1 { color: #fff; }
body.light .proj-title, body.light .article-title { color: #fff; }
body.light .proj-back, body.light .article-back { color: #e8edf5; }
body.light .filters { background: rgba(244, 248, 252, .92); }
body.light .btn-ghost { background: rgba(255, 255, 255, .6); }
body.light .hero-bg::after {
  background: linear-gradient(to top, #F4F8FC 24%, rgba(10,14,26,.55) 56%, rgba(10,14,26,.25) 100%);
}
body.light .hero::before { mix-blend-mode: screen; opacity: .72; }
body.light .hero-ripple { mix-blend-mode: screen; opacity: 0; }
body.light .hero-ripple.is-ready { opacity: .8; }
body.light .hero-wave path { fill: #F4F8FC; }
body.light .feature { border-bottom-color: rgba(13, 60, 90, .08); }
body.light .layer-1 { background: linear-gradient(160deg, rgba(0,168,216,.16), rgba(255,255,255,.55)); border-color: rgba(0,168,216,.22); }
body.light .layer-2 { background: linear-gradient(160deg, rgba(26,107,138,.22), rgba(255,255,255,.7)); border-color: rgba(26,107,138,.3); }
body.light .layer-3 { background: radial-gradient(circle at 50% 30%, rgba(0,168,216,.4), rgba(255,255,255,.92) 72%); border-color: rgba(0,168,216,.4); }
body.light .layer-3::after { background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.85), rgba(0,168,216,.3) 45%, transparent 75%); }
body.light .testi-text { color: #3E5570; }
body.light .testi-dot { background: #C3D3E4; }
body.light .site-footer { background: #E7EEF6; }
body.light .footer-bottom { border-top-color: rgba(13, 60, 90, .1); }
body.light .partner { background: rgba(255, 255, 255, .55); border-color: rgba(13, 60, 90, .12); color: #5E7490; }
body.light .mobile-menu {
  background:
    radial-gradient(640px 300px at 100% 0%, rgba(0, 168, 216, .1), transparent 60%),
    linear-gradient(180deg, #F0F6FC, #E9F1F9 65%);
}
body.light .mm-head { border-bottom-color: rgba(13, 60, 90, .1); }
body.light .mm-foot { border-top-color: rgba(13, 60, 90, .1); background: rgba(0, 150, 190, .05); }
body.light .map-prov-card h3 { border-bottom-color: rgba(13, 60, 90, .1); }
body.light .cta-banner h2 { color: #fff; }
body.light .cta-banner p { color: #b8c9dc; }
body.light .proj-section-title { border-bottom-color: rgba(13, 60, 90, .1); }
body.light .proj-desc p { color: #425A73; }
body.light .proj-feat-item { border-bottom-color: rgba(13, 60, 90, .08); }
body.light .proj-related h3 { border-bottom-color: rgba(13, 60, 90, .1); }
body.light .related-card { border-bottom-color: rgba(13, 60, 90, .08); }
body.light .acc-desc { color: #425A73; }
body.light .article-content { color: #3E5570; }
body.light .article-tags-card h4, body.light .article-related h3 { border-bottom-color: rgba(13, 60, 90, .1); }
body.light .info-row { border-bottom-color: rgba(13, 60, 90, .08); }
body.light .leaflet-control-attribution { background: rgba(255,255,255,.85) !important; }

/* ── حالت سبک پیش‌فرض: اولین رندر سریع‌تر از افکت‌هاست ── */
html.lite body { background-image: none; }
html.lite .site-header.scrolled,
html.lite .mobile-backdrop,
html.lite .mobile-menu,
html.lite .stats-grid,
html.lite .card,
html.lite .project-card,
html.lite .blog-card,
html.lite .form-card,
html.lite .info-card,
html.lite .cta-banner,
html.lite .testi-card,
html.lite .acc,
html.lite .tl-card,
html.lite .proj-specs-card,
html.lite .proj-desc-card,
html.lite .proj-features,
html.lite .btn-ghost,
html.lite .search-box input { backdrop-filter: none; -webkit-backdrop-filter: none; }
html.lite .hero-bg { background: linear-gradient(145deg, #0D1B2A, #0A0E1A 72%); }
html.lite .hero-bg,
html.lite .hero-bg img,
html.lite .hero-inner,
html.lite .hero-droplet { transform: none; translate: none; will-change: auto; }
html.lite .hero-bg img { height: 100%; filter: none; }
html.lite .hero::before,
html.lite .hero-ripple,
html.lite .hero-droplet,
html.lite .why-layers,
html.lite .why-badge { display: none; }
html.lite .hero { min-height: min(760px, 100vh); }
html.lite .hero h1,
html.lite .hero-badge,
html.lite .hero-sub,
html.lite .hero-cta,
html.lite .hero-keyword,
html.lite .mm-phone svg,
html.lite .cta-phone svg,
html.lite .team-avatar::after,
html.lite .marquee-track,
html.lite .map-pin .pin-ic { animation: none !important; }
html.lite .hero-keyword { border-inline-end-color: transparent; }
html.lite .reveal { opacity: 1; transform: none; }
html.lite .btn-primary::after { display: none; }
html.lite .card:hover,
html.lite .project-card:hover { box-shadow: none; }
html.lite .project-card:hover .project-media img { transform: none; }
html.lite .project-media::after,
html.lite .project-overlay,
html.lite .project-zoom { display: none; }
html.lite .site-footer { box-shadow: none; }

/* تبلت و لپ‌تاپ‌های کوچک: ناوبری کامل دسکتاپ جا نمی‌شود (به ~1057px نیاز دارد)
   → لینک‌ها مخفی و منوی همبرگری نمایش داده شود */
@media (max-width: 1060px) {
  .nav-links { display: none; }
  .nav-burger { display: grid; }
}

@media (max-width: 720px) {
  .site-header, .mobile-menu, .mobile-backdrop, .stats-grid, .card, .project-card, .blog-card, .form-card, .info-card, .cta-banner, .testi-card, .acc, .tl-card, .proj-specs-card, .proj-desc-card, .proj-features { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .hero-ripple { display: none; }
  .hero::before { animation: none; opacity: .7; }
  .hero-keyword-line { font-size: .54em; }
  .hero-keyword { min-width: 13ch; }
  .nav-links, .nav-phone { display: none; }
  .nav-burger { display: grid; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: minmax(0,1fr); }
  .stats-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat:nth-child(3) { border-inline-start: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); padding-top: 20px; }
  .form-grid { grid-template-columns: minmax(0,1fr); }
  .footer-grid { grid-template-columns: minmax(0,1fr); gap: 30px; }
  .section { padding: 70px 0; }
  .hero-droplet { display: none; }
  .masonry { columns: 1; }
  .proj-specs-grid { grid-template-columns: minmax(0,1fr); }
  .proj-gallery-grid { grid-template-columns: minmax(0,1fr); gap: 10px; }
  .blog-grid { grid-template-columns: minmax(0,1fr); }
  .article-content { padding: 24px 18px; }
  .proj-desc-card, .proj-features { padding: 20px 16px; }
  .form-card { padding: 26px 20px; }
  .cta-banner { padding: 56px 20px; }
  .filters { position: static; }
  .testi-card { padding: 32px 24px; }
}

/* گوشی‌های کوچک: دکمه CTA هدر مخفی شود تا برند + تغییر تم + همبرگری جا شوند
   (دکمه مشاوره در منوی موبایل هم هست) */
@media (max-width: 480px) {
  .nav-cta .btn { display: none; }
}