/* Sheikh-OFFICIAL — cinematic dark theme, turquoise accent, Noto Serif. */
/* Noto Serif is self-hosted (latin subset woff2) — no external font requests. */
@font-face {
  font-family: 'Noto Serif';
  src: url('/assets/fonts/notoserif-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Noto Serif';
  src: url('/assets/fonts/notoserif-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Noto Serif';
  src: url('/assets/fonts/notoserif-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Noto Serif';
  src: url('/assets/fonts/notoserif-800.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Noto Serif';
  src: url('/assets/fonts/notoserif-900.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}

:root {
  --bg: #05090c;
  --bg2: #08131a;
  --surface: #0b151d;
  --surface2: #0e1a24;
  --border: rgba(45, 212, 191, 0.16);
  --border-soft: rgba(255, 255, 255, 0.08);
  --acc: #2dd4bf;
  --acc-deep: #0d9488;
  --acc-soft: rgba(45, 212, 191, 0.12);
  --text: #e9f4f3;
  --muted: #93a8ad;
  --danger: #ff8585;
  --radius: 18px;
  --header-h: 68px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
  font-family: 'Noto Serif', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  animation: pageIn 0.7s ease both;
}
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
a { color: var(--acc); text-decoration: none; }
img { max-width: 100%; }
::selection { background: var(--acc); color: #04211d; }

.wrap { width: min(1140px, 92%); margin: 0 auto; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(5, 10, 14, 0.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .wrap { display: flex; align-items: center; gap: 22px; }
.logo { display: flex; align-items: center; gap: 11px; color: var(--text); font-weight: 800; letter-spacing: 0.14em; font-size: 17px; }
.logo .mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--acc), var(--acc-deep));
  color: #03211d; font-size: 21px; font-weight: 900; letter-spacing: 0;
  box-shadow: 0 0 22px rgba(45, 212, 191, 0.35);
}
.logo small { color: var(--acc); }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  color: var(--muted); font-size: 14px; font-weight: 600; padding: 8px 12px; border-radius: 9px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.header-actions { display: flex; align-items: center; gap: 9px; margin-left: 6px; }
.user-chip { font-size: 14px; font-weight: 600; color: var(--text); padding: 0 4px; white-space: nowrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
  padding: 10px 18px; border-radius: 11px; border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04); color: var(--text);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--border); }
.btn.primary {
  background: linear-gradient(135deg, var(--acc), var(--acc-deep)); border: none; color: #03211d;
  box-shadow: 0 8px 26px rgba(45, 212, 191, 0.28);
}
.btn.primary:hover { box-shadow: 0 12px 32px rgba(45, 212, 191, 0.42); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 13px; font-size: 13px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 92px 0 84px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(45, 212, 191, 0.16), transparent 60%),
    radial-gradient(700px 420px at 8% 110%, rgba(13, 148, 136, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg));
}
.hero::before { /* animated glow blob */
  content: ''; position: absolute; width: 560px; height: 560px; border-radius: 50%;
  right: -140px; top: -160px; pointer-events: none;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.28), transparent 65%);
  filter: blur(10px); animation: glowDrift 11s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  from { transform: translate(0, 0) scale(1); opacity: 0.75; }
  to { transform: translate(-90px, 60px) scale(1.18); opacity: 1; }
}
.hero::after { /* vignette */
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.5) 100%);
}
.grain {
  position: absolute; inset: -60px; pointer-events: none; opacity: 0.06; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.9'/%3E%3C/svg%3E");
  animation: grainShift 0.9s steps(4) infinite;
}
@keyframes grainShift {
  0% { transform: translate(0, 0); } 25% { transform: translate(-18px, 10px); }
  50% { transform: translate(12px, -14px); } 75% { transform: translate(-8px, -6px); } 100% { transform: translate(0, 0); }
}
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--acc);
  border: 1px solid var(--border); background: var(--acc-soft);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); animation: pulseDot 1.8s ease-in-out infinite; }
@keyframes pulseDot { 0%, 100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.5); } 50% { box-shadow: 0 0 0 7px rgba(45, 212, 191, 0); } }
.hero h1 { font-size: clamp(44px, 7.2vw, 76px); font-weight: 900; line-height: 1.04; letter-spacing: 0.01em; }
.hero h1 .hl { display: inline-block; opacity: 0; transform: translateY(26px) rotate(2deg); animation: letterIn 0.7s cubic-bezier(0.2, 0.8, 0.25, 1) forwards; animation-delay: var(--d, 0s); }
.hero h1 .hl.acc { color: var(--acc); }
@keyframes letterIn { to { opacity: 1; transform: translateY(0) rotate(0); } }
.hero .subtitle { font-size: clamp(18px, 2.6vw, 24px); font-weight: 600; color: var(--acc); margin-top: 14px; }
.hero .location { color: var(--muted); margin-top: 8px; font-size: 15px; }
.hero .lead { color: var(--muted); margin-top: 16px; max-width: 520px; font-size: 16px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-ctas .btn { padding: 13px 24px; font-size: 15px; }
.social-row { display: flex; gap: 10px; margin-top: 30px; flex-wrap: wrap; }
.social-row a {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--border-soft); background: rgba(255, 255, 255, 0.03); color: var(--muted);
  transition: transform 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.social-row a:hover { color: var(--acc); border-color: var(--border); transform: translateY(-3px); box-shadow: 0 10px 22px rgba(45, 212, 191, 0.16); }
.social-row svg { width: 19px; height: 19px; fill: currentColor; }
.hero-photo { display: flex; justify-content: center; }
.photo-card {
  position: relative; width: min(340px, 84vw); border-radius: 26px; padding: 10px;
  background: linear-gradient(160deg, rgba(45, 212, 191, 0.35), rgba(255, 255, 255, 0.04) 45%, rgba(13, 148, 136, 0.3));
  animation: floaty 6s ease-in-out infinite;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), 0 0 60px rgba(45, 212, 191, 0.14);
}
.photo-card img { display: block; width: 100%; border-radius: 19px; aspect-ratio: 1 / 1.02; object-fit: cover; }
.photo-card .tag {
  position: absolute; left: 50%; bottom: -16px; transform: translateX(-50%);
  background: #0a141c; border: 1px solid var(--border); color: var(--text);
  font-size: 13px; font-weight: 700; padding: 8px 16px; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}
.photo-card .tag b { color: var(--acc); }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.scroll-cue {
  position: relative; z-index: 2; margin: 58px auto 0; width: 26px; height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.25); border-radius: 999px;
}
.scroll-cue::after {
  content: ''; position: absolute; left: 50%; top: 8px; width: 6px; height: 10px; margin-left: -3px;
  border-radius: 999px; background: var(--acc); animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(16px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }

/* ---------- stats ---------- */
.stats { border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); background: rgba(255, 255, 255, 0.015); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 30px 10px; }
.stat + .stat { border-left: 1px solid var(--border-soft); }
.stat .num { font-size: 34px; font-weight: 900; color: var(--acc); }
.stat .lbl { color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 3px; }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; padding: 20px 0; border-bottom: 1px solid var(--border-soft); }
.marquee-track { display: flex; gap: 0; width: max-content; animation: marqueeMove 26s linear infinite; }
.marquee-track span {
  font-size: 20px; font-weight: 900; letter-spacing: 0.22em; color: transparent;
  -webkit-text-stroke: 1px rgba(45, 212, 191, 0.4); padding: 0 18px; white-space: nowrap;
}
.marquee-track span.fill { color: var(--acc); -webkit-text-stroke: 0; }
@keyframes marqueeMove { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section { padding: 84px 0 10px; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head .kicker { color: var(--acc); font-size: 12.5px; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(28px, 4.4vw, 40px); font-weight: 900; margin-top: 8px; }
.section-head p { color: var(--muted); margin-top: 10px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.card {
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.25, 1), box-shadow 0.3s, border-color 0.3s;
}
.card:hover { transform: translateY(-7px); border-color: var(--border); box-shadow: 0 22px 44px rgba(0, 0, 0, 0.45), 0 0 34px rgba(45, 212, 191, 0.1); }
.card .icon {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: var(--acc-soft); border: 1px solid var(--border); font-size: 23px;
}
.card h3 { font-size: 19px; font-weight: 800; }
.card .tagline { color: var(--acc); font-weight: 600; font-size: 14px; margin-top: -6px; }
.card p { color: var(--muted); font-size: 14.5px; flex: 1; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: 12px; font-weight: 700; color: var(--muted);
  border: 1px solid var(--border-soft); background: rgba(255, 255, 255, 0.03);
  padding: 4px 10px; border-radius: 999px;
}
.chip.acc { color: var(--acc); border-color: var(--border); background: var(--acc-soft); }
.card .foot { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.lock-badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase; color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.1);
  padding: 5px 11px; border-radius: 999px;
}
.open-badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--acc);
  border: 1px solid var(--border); background: var(--acc-soft);
  padding: 5px 11px; border-radius: 999px;
}
.card .btn { margin-left: auto; }
.empty-state {
  text-align: center; color: var(--muted); border: 1px dashed var(--border-soft);
  border-radius: var(--radius); padding: 52px 24px; font-size: 15px;
}
.empty-state .big { font-size: 34px; display: block; margin-bottom: 10px; }

/* tutorials */
.video-card { padding: 0; overflow: hidden; gap: 0; }
.video-thumb { position: relative; aspect-ratio: 16 / 9; background: #000; cursor: pointer; border: none; width: 100%; display: block; padding: 0; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0.85; transition: opacity 0.25s, transform 0.4s; }
.video-card:hover .video-thumb img { opacity: 1; transform: scale(1.03); }
.video-thumb .play {
  position: absolute; inset: 0; display: grid; place-items: center;
}
.video-thumb .play span {
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(45, 212, 191, 0.92); color: #03211d; font-size: 24px; padding-left: 4px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5); transition: transform 0.25s;
}
.video-card:hover .play span { transform: scale(1.1); }
.video-thumb iframe { width: 100%; height: 100%; border: 0; display: block; }
.video-card h3 { padding: 16px 20px 20px; font-size: 16px; }

/* demos */
.demo-card .shot {
  border-radius: 12px; border: 1px solid var(--border-soft); overflow: hidden;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.14), rgba(255, 255, 255, 0.02));
  aspect-ratio: 16 / 8.2; display: grid; place-items: center;
  font-size: 30px; font-weight: 900; letter-spacing: 0.1em; color: rgba(45, 212, 191, 0.55);
}
.demo-card .shot img { width: 100%; height: 100%; object-fit: cover; }

/* about + contact */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: center; }
.about-grid .photo { border-radius: 22px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5); }
.about-grid .photo img { display: block; width: 100%; aspect-ratio: 1 / 1.05; object-fit: cover; }
.about-grid p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.about-grid h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 900; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.contact-btn {
  display: flex; align-items: center; gap: 13px; padding: 17px 20px; border-radius: 15px;
  border: 1px solid var(--border-soft); background: var(--surface); color: var(--text);
  font-weight: 700; font-size: 15px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.contact-btn:hover { transform: translateY(-4px); border-color: var(--border); box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(45, 212, 191, 0.08); }
.contact-btn .ci { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--acc-soft); border: 1px solid var(--border); flex: none; }
.contact-btn svg { width: 19px; height: 19px; fill: var(--acc); }
.contact-btn small { display: block; color: var(--muted); font-weight: 500; font-size: 12.5px; }

footer { margin-top: 90px; border-top: 1px solid var(--border-soft); padding: 30px 0 38px; text-align: center; color: var(--muted); font-size: 14px; }
footer .logo { justify-content: center; margin-bottom: 10px; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.25, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.25, 1); transition-delay: var(--rd, 0s); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- auth pages ---------- */
.auth-shell { min-height: calc(100vh - var(--header-h)); display: grid; place-items: center; padding: 48px 0 70px; position: relative; overflow: hidden; }
.auth-shell::before {
  content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.16), transparent 65%);
  top: -160px; right: -120px; pointer-events: none; animation: glowDrift 11s ease-in-out infinite alternate;
}
.auth-card {
  position: relative; width: min(430px, 92vw); background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--border-soft); border-radius: 22px; padding: 36px 32px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.auth-card h1 { font-size: 26px; font-weight: 900; text-align: center; }
.auth-card .sub { color: var(--muted); text-align: center; font-size: 14.5px; margin: 8px 0 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--text);
  background: #08131b; border: 1px solid var(--border-soft); border-radius: 11px; padding: 12px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--acc); box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.18);
}
.auth-card .btn { width: 100%; padding: 13px; font-size: 15px; }
.form-error {
  display: none; background: rgba(255, 133, 133, 0.1); border: 1px solid rgba(255, 133, 133, 0.35);
  color: var(--danger); border-radius: 11px; padding: 11px 14px; font-size: 14px; margin-bottom: 16px;
}
.form-error.show { display: block; }
.auth-alt { text-align: center; color: var(--muted); font-size: 14px; margin-top: 20px; }
.note-box {
  background: var(--acc-soft); border: 1px solid var(--border); border-radius: 11px;
  padding: 12px 14px; font-size: 13.5px; color: var(--text); margin-bottom: 18px;
}

/* toast */
.toast-zone { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 9px; align-items: center; }
.toast {
  background: #0c1822; border: 1px solid var(--border); color: var(--text);
  padding: 12px 20px; border-radius: 12px; font-size: 14px; font-weight: 600;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55); animation: toastIn 0.35s cubic-bezier(0.2, 0.8, 0.25, 1) both;
  max-width: 92vw; text-align: center;
}
.toast.err { border-color: rgba(255, 133, 133, 0.5); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; }
  .hero-photo { order: -1; }
  .photo-card { width: min(228px, 58vw); padding: 7px; border-radius: 20px; }
  .photo-card img { aspect-ratio: 1 / 1.08; border-radius: 15px; }
  .photo-card .tag { font-size: 11.5px; padding: 6px 12px; bottom: -13px; }
  .main-nav { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid .photo { max-width: 300px; }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat { border-top: 1px solid var(--border-soft); }
  .stat:nth-child(-n+2) { border-top: none; }
}
@media (max-width: 480px) {
  .header-actions .hide-sm { display: none; }
  .user-chip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero h1 .hl { opacity: 1; transform: none; }
}