/* ═══════════════════════════════════════
   $PENG — Arctic Noir Design System
   ═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;600;700;800;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ─── TOKENS ─── */
:root {
  --bg:          #050810;
  --bg-raised:   #0a0f1c;
  --bg-card:     #0d1326;
  --bg-card-h:   #111832;
  --border:      rgba(255,255,255,0.04);
  --border-h:    rgba(0,210,255,0.15);
  --ice:         #00d4ff;
  --ice-mid:     rgba(0,210,255,0.35);
  --ice-dim:     rgba(0,210,255,0.08);
  --gold:        #e8a910;
  --gold-dim:    rgba(232,169,16,0.12);
  --red:         #ff4466;
  --green:       #00e676;
  --white:       #e8ecf1;
  --gray:        #7b8ca0;
  --gray-dim:    #3a4860;
  --font-h:      'Unbounded', sans-serif;
  --font-b:      'DM Sans', sans-serif;
  --nav-h:       72px;
  --max-w:       1140px;
  --radius:      14px;
  --radius-sm:   8px;
  --radius-lg:   20px;
  --shadow:      0 8px 40px rgba(0,0,0,0.35);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.5);
  --transition:  0.35s cubic-bezier(0.22,1,0.36,1);
}

body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font-b); }

/* ─── GRAIN OVERLAY ─── */
body::after {
  content:'';
  position:fixed; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events:none; z-index:9999;
}

/* ─── GRID TEXTURE BG ─── */
.grid-bg {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(0,210,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,210,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 100%);
}

/* ─── AURORA BLOBS ─── */
.aurora { position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.aurora i {
  position:absolute; border-radius:50%; filter:blur(140px); opacity:0.1;
  animation: auroraDrift 25s ease-in-out infinite alternate;
}
.aurora i:nth-child(1){ width:700px; height:700px; background:var(--ice); top:-25%; left:-10%; }
.aurora i:nth-child(2){ width:550px; height:550px; background:var(--gold); bottom:-20%; right:-8%; animation-delay:-9s; animation-duration:30s; }
.aurora i:nth-child(3){ width:450px; height:450px; background:#7c3aed; top:40%; left:55%; animation-delay:-15s; animation-duration:35s; }
@keyframes auroraDrift {
  0%  { transform:translate(0,0) scale(1); }
  33% { transform:translate(80px,-50px) scale(1.15); }
  66% { transform:translate(-50px,70px) scale(0.9); }
  100%{ transform:translate(40px,30px) scale(1.05); }
}

/* ─── SNOWFALL ─── */
.snow-canvas {
  position:fixed; inset:0; z-index:1; pointer-events:none;
}

/* ─── NAV ─── */
.topnav {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height: var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 clamp(20px,4vw,48px);
  background: rgba(5,8,16,0.6);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, border-color 0.4s;
}
.topnav.scrolled {
  background: rgba(5,8,16,0.92);
  border-color: var(--border-h);
}

.nav-brand {
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-h); font-size:1.25rem; font-weight:700;
  color:var(--ice); letter-spacing:1px;
}
.nav-brand img {
  width:34px; height:34px; border-radius:50%;
  border:2px solid var(--ice); object-fit:cover;
}

.nav-menu { display:flex; align-items:center; gap:6px; list-style:none; }
.nav-menu a {
  display:block; padding:8px 16px; border-radius:var(--radius-sm);
  font-size:0.88rem; font-weight:500; color:var(--gray);
  transition: color var(--transition), background var(--transition);
  letter-spacing:0.3px;
}
.nav-menu a:hover, .nav-menu a.active {
  color:var(--white); background:rgba(255,255,255,0.04);
}
.nav-cta {
  margin-left:12px;
  background:var(--ice) !important; color:var(--bg) !important;
  font-weight:700 !important; letter-spacing:0.8px !important;
  padding:9px 22px !important; border-radius:var(--radius-sm) !important;
  transition: transform 0.25s, box-shadow 0.3s !important;
}
.nav-cta:hover {
  transform:translateY(-2px) !important;
  box-shadow:0 6px 24px var(--ice-mid) !important;
  background:var(--ice) !important;
}

/* Mobile hamburger */
.hamburger {
  display:none; background:none; border:none; padding:6px;
  flex-direction:column; gap:5px;
}
.hamburger span {
  width:22px; height:2px; background:var(--white); border-radius:2px;
  transition: all 0.3s;
}

/* ─── LAYOUT ─── */
.container { max-width:var(--max-w); margin:0 auto; width:100%; }
.page-section {
  position:relative; z-index:2;
  padding: 100px clamp(20px,4vw,48px);
}
.page-section + .page-section {
  border-top: 1px solid var(--border);
}

/* ─── SECTION HEADERS ─── */
.stag {
  display:inline-block;
  font-family:var(--font-h); font-size:0.65rem; font-weight:700;
  letter-spacing:4px; text-transform:uppercase; color:var(--ice);
  padding:6px 14px; border-radius:40px;
  background:var(--ice-dim); border:1px solid rgba(0,210,255,0.1);
  margin-bottom:18px;
}
.sh1 {
  font-family:var(--font-h); font-weight:800;
  font-size:clamp(2rem,4.5vw,3.2rem); line-height:1.15;
  margin-bottom:16px; letter-spacing:-0.5px;
}
.sh2 {
  font-family:var(--font-h); font-weight:700;
  font-size:clamp(1.5rem,3vw,2.2rem); line-height:1.2;
  margin-bottom:14px;
}
.sh3 {
  font-family:var(--font-h); font-weight:600;
  font-size:1.1rem; line-height:1.3; margin-bottom:10px;
}
.sdesc {
  color:var(--gray); font-size:1.05rem; line-height:1.75;
  max-width:560px;
}

.ice { color:var(--ice); }
.gold { color:var(--gold); }

/* ─── BUTTONS ─── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 30px; border-radius:var(--radius);
  font-weight:600; font-size:0.95rem; border:none;
  transition: all var(--transition); letter-spacing:0.3px;
  text-decoration:none;
}
.btn svg { width:16px; height:16px; }
.btn-ice {
  background:var(--ice); color:var(--bg);
}
.btn-ice:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 30px var(--ice-mid);
}
.btn-ghost {
  background:transparent; color:var(--white);
  border:1.5px solid var(--gray-dim);
}
.btn-ghost:hover {
  border-color:var(--ice); color:var(--ice);
  transform:translateY(-3px);
}
.btn-gold {
  background:var(--gold); color:var(--bg);
}
.btn-gold:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(232,169,16,0.3);
}
.btn-sm { padding:10px 20px; font-size:0.85rem; border-radius:var(--radius-sm); }

/* ─── CARDS ─── */
.glass-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.glass-card:hover {
  border-color:var(--border-h);
  transform:translateY(-4px);
  box-shadow: var(--shadow);
}

/* ─── MARQUEE ─── */
.marquee {
  position:relative; z-index:2;
  overflow:hidden; padding:18px 0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.marquee-track {
  display:flex; width:max-content;
  animation: mqScroll 40s linear infinite;
}
.marquee-track span {
  font-family:var(--font-h); font-size:0.75rem; font-weight:700;
  letter-spacing:4px; text-transform:uppercase;
  color:var(--gray-dim); white-space:nowrap; padding:0 24px;
}
.marquee-track .sep { color:var(--ice); margin:0 8px; }
@keyframes mqScroll {
  0%  { transform:translateX(0); }
  100%{ transform:translateX(-50%); }
}

/* ─── REVEAL ANIMATION ─── */
.rv {
  opacity:0; transform:translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
              transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.rv.vis { opacity:1; transform:translateY(0); }
.rv-d1 { transition-delay:0.08s; }
.rv-d2 { transition-delay:0.16s; }
.rv-d3 { transition-delay:0.24s; }
.rv-d4 { transition-delay:0.32s; }
.rv-d5 { transition-delay:0.40s; }
.rv-d6 { transition-delay:0.48s; }

/* ─── FOOTER ─── */
.site-footer {
  position:relative; z-index:2;
  border-top:1px solid var(--border);
  padding:48px clamp(20px,4vw,48px) 32px;
}
.footer-inner {
  max-width:var(--max-w); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:20px;
}
.footer-brand {
  font-family:var(--font-h); font-weight:700; font-size:1rem;
  color:var(--ice); display:flex; align-items:center; gap:8px;
}
.footer-brand img { width:24px; height:24px; border-radius:50%; }
.footer-links { display:flex; gap:24px; }
.footer-links a {
  font-size:0.85rem; color:var(--gray);
  transition: color 0.25s;
}
.footer-links a:hover { color:var(--white); }
.footer-copy {
  width:100%; text-align:center; padding-top:24px;
  margin-top:24px; border-top:1px solid var(--border);
  font-size:0.8rem; color:var(--gray-dim);
}

/* ─── LIGHTBOX ─── */
.lightbox {
  position:fixed; inset:0; z-index:10000;
  background:rgba(5,8,16,0.93); backdrop-filter:blur(24px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity 0.35s;
}
.lightbox.on { opacity:1; pointer-events:all; }
.lightbox img {
  max-width:92vw; max-height:88vh; border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  transform:scale(0.92); transition:transform 0.45s cubic-bezier(0.22,1,0.36,1);
}
.lightbox.on img { transform:scale(1); }
.lb-close {
  position:absolute; top:20px; right:28px;
  background:rgba(255,255,255,0.06); border:1px solid var(--border);
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--white); font-size:1.4rem; transition:all 0.25s;
}
.lb-close:hover { background:rgba(255,255,255,0.12); border-color:var(--border-h); }

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .page-section { padding:80px clamp(16px,4vw,40px); }
}
@media(max-width:680px){
  .nav-menu {
    display:none; position:fixed; top:var(--nav-h); left:0; right:0;
    background:rgba(5,8,16,0.97); backdrop-filter:blur(20px);
    flex-direction:column; padding:24px 20px; gap:4px;
    border-bottom:1px solid var(--border-h);
  }
  .nav-menu.open { display:flex; }
  .nav-cta { margin-left:0 !important; margin-top:8px; text-align:center; justify-content:center; }
  .hamburger { display:flex; }
}