@font-face { font-family: Vazirmatn; src: url(../fonts/Vazirmatn-Medium.ttf) format("truetype"); font-weight: 400 500; font-display: swap; }
@font-face { font-family: Vazirmatn; src: url(../fonts/Vazirmatn-Bold.ttf) format("truetype"); font-weight: 600 700; font-display: swap; }
@font-face { font-family: Vazirmatn; src: url(../fonts/Vazirmatn-Black.ttf) format("truetype"); font-weight: 800 900; font-display: swap; }

:root {
  --bg: #07080A;
  --bg-2: #14161B;
  --bg-3: #3A0C10;
  --red: #E3262E;
  --red-fill: #D81F27;
  --red-text: #FF5A60;
  --red-ink: #C41C24;
  --light: #F2F3F5;
  --light-2: #DFE1E5;
  --ink: #0E1013;
  --muted: #C9CDD2;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--light);
  font-family: Vazirmatn, Tahoma, sans-serif; font-size: 17px; line-height: 1.9;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2 { line-height: 1.35; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 5.4vw, 54px); font-weight: 900; }
h2 { font-size: clamp(24px, 3.6vw, 36px); font-weight: 800; }
em { font-style: normal; color: var(--red); }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.center { text-align: center; }

/* دکمه‌ها */
.btn {
  display: inline-block; background: var(--red-fill); color: #fff; font-weight: 800;
  text-decoration: none; border: 0; border-radius: 999px; padding: 12px 26px; cursor: pointer;
  font: inherit; font-weight: 800; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(227, 38, 46, .3); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--red); outline-offset: 3px;
}
.btn-sm { padding: 6px 18px; font-size: 15px; }
.btn-lg { padding: 15px 34px; font-size: 18px; }
.btn-ghost { background: transparent; color: var(--red-text); box-shadow: inset 0 0 0 2px var(--red); }

/* سربرگ */
.top { position: sticky; top: 0; z-index: 10; background: rgba(7, 8, 10, .94); border-bottom: 1px solid rgba(227, 38, 46, .15); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 900; letter-spacing: .5px; direction: ltr; }
.brand b { color: var(--red-text); }
.top nav { display: flex; align-items: center; gap: 18px; font-size: 15px; }
.top nav a:not(.btn) { text-decoration: none; opacity: .85; }
.top nav a:not(.btn):hover { opacity: 1; color: var(--red-text); }

/* هیرو */
.hero { padding: 56px 0 64px; background: radial-gradient(1000px 500px at 85% 0%, var(--bg-3), transparent 70%); }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--red-text); font-weight: 700; margin: 0 0 8px; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; }
.hero-pic img { width: 100%; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.choice {
  display: flex; gap: 12px; align-items: center; text-decoration: none; padding: 16px;
  background: var(--bg-2); border: 1px solid rgba(227, 38, 46, .35); border-radius: var(--radius);
  transition: border-color .15s, transform .15s;
}
.choice:hover { border-color: var(--red); transform: translateY(-2px); }
.choice-ico { font-size: 30px; }
.choice b { display: block; color: var(--red-text); font-size: 18px; }
.choice small { color: var(--muted); font-size: 14px; line-height: 1.6; display: block; }

/* بخش‌ها */
.sec { padding: 72px 0; }
.sub { color: var(--muted); margin-top: -6px; }
.sec-cream { background: var(--light); color: var(--ink); }
.sec-cream .sub { color: #5A5F67; }
.sec-cream em { color: var(--red-ink); }

.work { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.card { position: relative; border-radius: var(--radius); overflow: hidden; text-decoration: none; background: #14161B; }
.card img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; transition: transform .3s; }
.card:hover img { transform: scale(1.03); }
.card-cap {
  position: absolute; inset: auto 0 0 0; padding: 40px 16px 14px;
  background: linear-gradient(transparent, rgba(7, 8, 10, .95)); display: grid; line-height: 1.6;
}
.card-cap b { font-size: 18px; }
.card-cap small { color: var(--muted); }
.card-cap i { font-style: normal; color: var(--red-text); font-size: 14px; text-align: right; }

.khans { list-style: none; padding: 0; margin: 28px 0 32px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.khans li { background: #fff; border-radius: var(--radius); padding: 20px; border: 1px solid var(--light-2); }
.khans b { font-size: 19px; }
.khans p { margin: 4px 0 0; color: #4A4E55; font-size: 15px; line-height: 1.8; }
.khan-n {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg); color: var(--red-text); font-weight: 900; margin-left: 8px;
}
.khan-sec .khan-n { background: var(--red-fill); color: #fff; }

.about { max-width: 760px; }
.about p { color: var(--muted); }

.sec-form { background: var(--bg-2); }
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.ticks { list-style: none; padding: 0; }
.ticks li { padding-right: 30px; position: relative; margin: 8px 0; }
.ticks li::before { content: "✓"; position: absolute; right: 0; color: var(--red-text); font-weight: 900; }

/* فرم */
form.lead { background: var(--light); color: var(--ink); padding: 24px; border-radius: 22px; display: grid; gap: 14px; max-width: none; font-size: 16px; }
form.lead label { display: block; font-weight: 700; }
form.lead small { color: #6B7078; font-weight: 400; }
form.lead input, form.lead select, form.lead textarea {
  font: inherit; font-weight: 400; color: var(--ink); background: #fff; width: 100%;
  border: 1.5px solid var(--light-2); border-radius: 12px; padding: 10px 14px; display: block; margin-top: 4px;
}
form.lead input:focus, form.lead select:focus, form.lead textarea:focus { border-color: var(--red-ink); }
form.lead .btn { width: 100%; margin-top: 4px; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.alert { margin: 0; background: #FDE4E5; color: #8E1218; border-radius: 12px; padding: 10px 14px; font-weight: 700; }
.fine { margin: 0; font-size: 13px; color: #6B7078; text-align: center; }

/* دوره */
.hero-course { text-align: center; }
.hero-course .lead { margin: 0 auto; }
.price-box {
  margin: 32px auto 0; max-width: 440px; padding: 24px; display: grid; gap: 10px; justify-items: center;
  background: var(--bg-2); border: 1px solid var(--red); border-radius: 22px;
}
.price-box span { color: var(--muted); }
.price-box b { font-size: 32px; color: var(--red-text); font-weight: 900; }
.price-box small { color: var(--muted); font-size: 13px; }
.chapters { columns: 2; column-gap: 40px; font-size: 18px; font-weight: 700; padding-right: 24px; margin-top: 24px; }
.chapters li { break-inside: avoid; margin-bottom: 10px; }
.chapters li::marker { color: var(--red-ink); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { background: var(--bg-2); padding: 22px; border-radius: var(--radius); }
.feat b { color: var(--red-text); font-size: 19px; }
.feat p { margin: 4px 0 0; color: var(--muted); }

.thanks { min-height: 60vh; display: grid; place-items: center; }
.thanks .lead { margin: 0 auto 24px; }
.big-tick { font-size: 56px; color: var(--red-text); margin: 0; }
.row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* پابرگ */
.foot { border-top: 1px solid rgba(227, 38, 46, .15); padding: 36px 0 20px; font-size: 15px; }
.foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot p { color: var(--muted); margin: 6px 0 0; }
.foot-links { display: grid; gap: 6px; }
.foot-links a { text-decoration: none; color: var(--muted); }
.foot-links a:hover { color: var(--red-text); }
.copy { color: #8A8F96; font-size: 13px; margin-top: 18px; direction: ltr; text-align: right; }

/* هیروی صفحه‌ی اصلی: پس‌زمینه تا اول نمونه‌کارها ادامه دارد و کم‌کم در مشکی محو می‌شود */
main { position: relative; overflow-x: clip; }
.hero-bg {
  position: absolute; inset: 0 0 auto 0; height: max(1280px, 66.67vw); z-index: 0; pointer-events: none;
  background: url(../img/hero-bg.webp?v=6) center top / cover no-repeat;
  -webkit-mask-image: linear-gradient(#000 76%, transparent 100%); mask-image: linear-gradient(#000 76%, transparent 100%);
}
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(7, 8, 10, .28), rgba(7, 8, 10, 0) 60%); }
.hero-home { position: relative; z-index: 1; background: none; text-align: center; padding: 40px 0 72px; }
.hero-home .wrap { position: relative; z-index: 1; }
.hero-net { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-logo { width: min(440px, 74vw); margin: 0 auto 24px; filter: drop-shadow(0 18px 60px rgba(227, 38, 46, .35)); }
.hero-home .lead { margin: 0 auto; }
.news-link { display: inline-block; margin-top: 20px; color: var(--light); font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--red); padding-bottom: 2px; }
.news-link:hover { color: var(--red-text); }
.hero-home .choices { max-width: 720px; margin: 28px auto 0; text-align: right; }
#work { position: relative; z-index: 1; }
.work { perspective: 1200px; }
.card { transform-style: preserve-3d; }

/* جاوااسکریپت فعال؛ اگر اجرا نشد، بعد از ۳ ثانیه همه‌چیز خودش دیده می‌شود */
.js .hero-logo, .js .hero-home .hero-text > * { opacity: 0; animation: js-show .01s 3s forwards; }
@keyframes js-show { to { opacity: 1; } }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: clip; }
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: right; z-index: 20; }
.cursor-glow { position: fixed; left: -210px; top: -210px; width: 420px; height: 420px; border-radius: 50%; pointer-events: none; z-index: 5; background: radial-gradient(circle, rgba(227, 38, 46, .13), transparent 65%); }
.top { transition: background .25s; }
.top:not(.top-solid) { background: rgba(7, 8, 10, .35); }

/* المان سه‌بعدی جنرالیست */
.gen { position: relative; background: var(--bg); }
.gen-pin { position: relative; }
.gen-copy { padding-top: 56px; padding-bottom: 56px; text-align: center; }
#gen-canvas, .gen-now { display: none; }
.gen-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 0; margin: 24px 0 0; }
.gen-list li { background: var(--bg-2); border: 1px solid rgba(227, 38, 46, .45); border-radius: 999px; padding: 6px 18px; }
.webgl .gen-pin { height: 100vh; overflow: hidden; }
.webgl #gen-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }
.webgl .gen-list { display: none; }
.webgl .gen-copy { position: absolute; inset: 0; margin: auto; pointer-events: none; padding-top: 88px; padding-bottom: 40px; display: flex; flex-direction: column; }
.webgl .gen-now { display: grid; gap: 2px; margin: auto 0 0; }
.gen-now b { font-size: clamp(24px, 3vw, 34px); font-weight: 900; color: var(--red-text); }
.gen-now span { color: var(--muted); }

@media (max-width: 860px) {
  .hero-bg { height: 1500px; background-image: url(../img/hero-bg-mobile.webp?v=6); }
  .hero-in, .form-wrap { grid-template-columns: 1fr; }
  .hero-pic { order: -1; max-width: 240px; margin: 0 auto; }
  .work { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .grid3 { grid-template-columns: 1fr; }
  .chapters { columns: 1; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .top nav a:not(.btn) { display: none; }
  .choices { grid-template-columns: 1fr; }
  .sec { padding: 52px 0; }
  .hero { padding: 32px 0 48px; }
  .card-cap { padding: 30px 10px 10px; }
  .card-cap b { font-size: 15px; }
  .card-cap small { font-size: 12px; }
  form.lead { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .hero-logo, .js .hero-home .hero-text > * { opacity: 1; animation: none; }
  * { transition: none !important; scroll-behavior: auto !important; }
}