/* =========================================
   VARIABLES & THEMING
   ========================================= */
:root {
  --bg: #ffffff;
  --bg2: #f4f4f8;
  --bg3: #eaeaef;
  --text: #09090f;
  --text2: #4a4b5a;
  --primary: #d60018;
  --primary-glow: rgba(214,0,24,0.35);
  --primary-dim: rgba(214,0,24,0.08);
  --tech-grid-line: rgba(214,0,24,0.12);
  --tech-formula-ink: rgba(14,18,36,0.36);
  --tech-formula-glow: rgba(214,0,24,0.24);
  --tech-scanline: rgba(214,0,24,0.1);
  --tech-geo-line: rgba(214,0,24,0.32);
  --tech-geo-fill: rgba(214,0,24,0.14);
  --tech-geo-glow: rgba(214,0,24,0.24);
  --tech-network-dot: rgba(214,0,24,0.68);
  --tech-network-line: rgba(214,0,24,0.3);
  --tech-symbol-ink: rgba(34,35,60,0.36);
  --tech-symbol-glow: rgba(214,0,24,0.22);
  --tech-cinema-vignette: rgba(8,10,20,0.22);
  --tech-cinema-edge: rgba(8,10,20,0.28);
  --tech-cinema-beam: rgba(255,255,255,0.09);
  --glass: rgba(255,255,255,0.65);
  --glass-border: rgba(0,0,0,0.08);
  --card: rgba(255,255,255,0.9);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-red: 0 0 20px rgba(214,0,24,0.25), 0 4px 24px rgba(0,0,0,0.1);
  --nav-h: 72px;
  --ease: cubic-bezier(0.25,0.8,0.25,1);
  --cursor-color: #d60018;
}
[data-theme="dark"] {
  --bg: #06060a;
  --bg2: #0d0d14;
  --bg3: #131320;
  --text: #f0f0ff;
  --text2: #aeb1c9;
  --primary: #ff1a35;
  --primary-glow: rgba(255,26,53,0.4);
  --primary-dim: rgba(255,26,53,0.08);
  --tech-grid-line: rgba(255,26,53,0.12);
  --tech-formula-ink: rgba(214,220,243,0.45);
  --tech-formula-glow: rgba(255,26,53,0.36);
  --tech-scanline: rgba(255,26,53,0.14);
  --tech-geo-line: rgba(255,26,53,0.5);
  --tech-geo-fill: rgba(255,26,53,0.2);
  --tech-geo-glow: rgba(255,26,53,0.34);
  --tech-network-dot: rgba(255,26,53,0.8);
  --tech-network-line: rgba(255,26,53,0.4);
  --tech-symbol-ink: rgba(226,232,255,0.46);
  --tech-symbol-glow: rgba(255,26,53,0.32);
  --tech-cinema-vignette: rgba(0,0,0,0.56);
  --tech-cinema-edge: rgba(0,0,0,0.74);
  --tech-cinema-beam: rgba(255,255,255,0.06);
  --glass: rgba(13,13,20,0.6);
  --glass-border: rgba(255,255,255,0.06);
  --card: rgba(20,20,32,0.85);
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-red: 0 0 25px rgba(255,26,53,0.35), 0 4px 24px rgba(0,0,0,0.4);
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family:'Outfit',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  transition:background .4s, color .4s;
}
a { text-decoration:none; color:inherit; transition:.3s var(--ease); }
ul { list-style:none; }
img { display:block; max-width:100%; }
.container { max-width:1200px; margin:0 auto; padding:0 28px; }
.tc { text-align:center; }
.highlight { color:var(--primary); }



/* =========================================
   ANIMATED CYBER GRID BACKGROUND
   ========================================= */
.cyber-grid {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  overflow:hidden;
  isolation:isolate;
  background-image:
    linear-gradient(var(--tech-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--tech-grid-line) 1px, transparent 1px);
  background-size:60px 60px;
  animation:gridScroll 25s linear infinite;
  opacity:0.82;
}
.cyber-grid::before {
  content:'';
  position:absolute;
  inset:0;
  z-index:0;
  background:
    radial-gradient(130% 100% at 50% -20%, transparent 52%, var(--tech-cinema-vignette) 86%),
    radial-gradient(140% 110% at 50% 120%, transparent 50%, var(--tech-cinema-edge) 90%),
    radial-gradient(circle at 15% 20%, var(--primary-dim) 0%, transparent 45%),
    radial-gradient(circle at 82% 70%, var(--primary-dim) 0%, transparent 50%);
  opacity:.95;
  animation:techDrift 12s ease-in-out infinite alternate;
}
.cyber-grid::after {
  content:'';
  position:absolute;
  inset:-120% 0 0;
  z-index:6;
  background:repeating-linear-gradient(180deg, transparent 0 8px, var(--tech-scanline) 8px 9px);
  opacity:.48;
  animation:scanTravel 20s linear infinite;
}
.tech-geometry-layer {
  position:absolute;
  inset:-8%;
  z-index:1;
  pointer-events:none;
  transform:translate3d(0, 0, 0);
  will-change:transform;
}
.tech-geo-shape {
  position:absolute;
  left:var(--x, 50%);
  top:var(--y, 50%);
  width:var(--size, 170px);
  aspect-ratio:1;
  transform:translate3d(-50%, -50%, 0) rotate(var(--rot, 0deg));
  border:1px solid var(--tech-geo-line);
  clip-path:polygon(12% 0, 84% 0, 100% 16%, 100% 88%, 88% 100%, 16% 100%, 0 84%, 0 12%);
  background:
    linear-gradient(145deg, var(--tech-geo-fill) 0%, transparent 72%),
    radial-gradient(circle at 28% 28%, var(--tech-geo-glow) 0%, transparent 58%);
  box-shadow:0 0 26px var(--tech-geo-glow), inset 0 0 20px var(--tech-geo-fill);
  opacity:.58;
  animation:geoMorph var(--geoDur, 22s) ease-in-out infinite;
  animation-delay:var(--delay, 0s);
  will-change:transform, opacity;
}
.tech-network-canvas {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:2;
  pointer-events:none;
  opacity:.84;
  transform:translate3d(0, 0, 0);
  will-change:transform;
}
.cinema-atmo-layer {
  position:absolute;
  inset:-10%;
  z-index:2;
  pointer-events:none;
  background:
    linear-gradient(118deg, transparent 8%, var(--tech-cinema-beam) 34%, transparent 57%),
    radial-gradient(110% 74% at 50% 0%, transparent 48%, var(--tech-cinema-vignette) 98%),
    radial-gradient(120% 88% at 50% 100%, transparent 52%, var(--tech-cinema-edge) 100%);
  opacity:.65;
  transform:translate3d(0, 0, 0);
  will-change:transform, opacity;
  animation:cinemaSweep 28s ease-in-out infinite alternate;
}
.formula-layer {
  position:absolute;
  inset:0;
  pointer-events:none;
  transform:translate3d(0, 0, 0);
  will-change:transform;
}
.formula-layer-far { z-index:3; }
.formula-layer-near { z-index:5; }
.symbol-loop-layer {
  position:absolute;
  inset:0;
  z-index:4;
  pointer-events:none;
  transform:translate3d(0, 0, 0);
  will-change:transform;
}
.tech-geo-shape::before {
  content:'';
  position:absolute;
  inset:10%;
  border:1px solid var(--tech-geo-line);
  clip-path:inherit;
  opacity:.55;
}
.tech-geo-shape::after {
  content:'';
  position:absolute;
  top:50%;
  right:-1px;
  width:26%;
  height:14%;
  transform:translateY(-50%);
  background:var(--bg);
  clip-path:polygon(0 50%, 100% 0, 100% 100%);
  box-shadow:-1px 0 0 var(--tech-geo-line);
  opacity:.92;
}
.formula-chip {
  position:absolute;
  left:var(--x, 50%);
  top:var(--y, 50%);
  transform:translate3d(-50%, -50%, 0) scale(var(--scale, 1));
  color:var(--tech-formula-ink);
  font-family:'JetBrains Mono','Fira Code','Consolas','Courier New',monospace;
  font-size:clamp(.68rem, .9vw, .92rem);
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  text-shadow:0 0 10px var(--tech-formula-glow), 0 0 20px var(--tech-formula-glow);
  opacity:var(--opacity-min, .16);
  animation:formulaDrift var(--dur, 20s) ease-in-out infinite;
  animation-delay:var(--delay, 0s);
  will-change:transform, opacity;
}
.symbol-chip {
  position:absolute;
  left:var(--x, 50%);
  top:var(--y, 50%);
  transform:translate3d(-50%, -50%, 0) scale(var(--scale, 1));
  color:var(--tech-symbol-ink);
  font-family:'JetBrains Mono','Fira Code','Consolas','Courier New',monospace;
  font-size:clamp(.62rem, .86vw, .88rem);
  font-weight:500;
  letter-spacing:.04em;
  white-space:nowrap;
  text-transform:uppercase;
  text-shadow:0 0 12px var(--tech-symbol-glow);
  opacity:var(--s-opacity, .3);
  animation:symbolLoop var(--s-dur, 24s) linear infinite;
  animation-delay:var(--s-delay, 0s);
  will-change:transform, opacity;
}
.symbol-chip:nth-child(even) {
  animation-direction:reverse;
}
.formula-chip:nth-child(odd) {
  animation-direction:alternate-reverse;
}
@keyframes gridScroll { 0%{background-position:0 0} 100%{background-position:60px 60px} }
@keyframes scanTravel {
  0% { transform:translateY(0); }
  100% { transform:translateY(55%); }
}
@keyframes techDrift {
  0% { transform:translate3d(0, 0, 0); }
  100% { transform:translate3d(0, -24px, 0); }
}
@keyframes cinemaSweep {
  0%, 100% {
    transform:translate3d(-18px, 0, 0) scale(1.02);
    opacity:.52;
  }
  50% {
    transform:translate3d(22px, -8px, 0) scale(1.06);
    opacity:.78;
  }
}
@keyframes geoMorph {
  0%, 100% {
    transform:translate3d(-50%, -50%, 0) rotate(var(--rot, 0deg));
    opacity:.42;
  }
  50% {
    transform:translate3d(calc(-50% + var(--driftX, 14px)), calc(-50% - var(--driftY, 18px)), 0) rotate(calc(var(--rot, 0deg) + 8deg));
    opacity:.78;
  }
}
@keyframes formulaDrift {
  0%, 100% {
    transform:translate3d(-50%, -50%, 0) scale(var(--scale, 1));
    opacity:var(--opacity-min, .16);
  }
  50% {
    transform:translate3d(calc(-50% + var(--drift, 10px)), calc(-50% - 16px), 0) scale(calc(var(--scale, 1) + .06));
    opacity:var(--opacity-max, .34);
  }
}
@keyframes symbolLoop {
  0%, 100% {
    transform:translate3d(-50%, -50%, 0) scale(var(--scale, 1));
    opacity:.18;
  }
  40% {
    transform:translate3d(calc(-50% + var(--sx, 8px)), calc(-50% - 16px), 0) scale(calc(var(--scale, 1) + .06));
    opacity:.5;
  }
  75% {
    transform:translate3d(calc(-50% - var(--sx, 8px)), calc(-50% + 8px), 0) scale(calc(var(--scale, 1) + .03));
    opacity:.3;
  }
}

/* =========================================
   GLITCH EFFECT — RGB split via text-shadow
   ========================================= */
.glitch { position:relative; display:inline-block; }

.glitch:hover {
  animation:glitch-shake .4s ease infinite;
  text-shadow:
    2px 0 0 rgba(255,0,60,0.8),
    -2px 0 0 rgba(0,229,255,0.8);
}

@keyframes glitch-shake {
  0%   { transform:translate(0,0);      text-shadow: 2px 0 rgba(255,0,60,.8), -2px 0 rgba(0,229,255,.8); }
  15%  { transform:translate(-2px,1px); text-shadow: -3px 0 rgba(255,0,60,.9),  3px 0 rgba(0,229,255,.9); }
  30%  { transform:translate(2px,-1px); text-shadow: 3px 0 rgba(255,0,60,.8), -3px 0 rgba(0,229,255,.8); }
  45%  { transform:translate(0,0);      text-shadow: 1px 0 rgba(255,0,60,.5), -1px 0 rgba(0,229,255,.5); }
  60%  { transform:translate(1px,2px);  text-shadow: -2px 0 rgba(255,0,60,.9),  2px 0 rgba(0,229,255,.9); }
  75%  { transform:translate(-1px,-1px);text-shadow: 2px 0 rgba(255,0,60,.6), -2px 0 rgba(0,229,255,.6); }
  100% { transform:translate(0,0);      text-shadow: 2px 0 rgba(255,0,60,.8), -2px 0 rgba(0,229,255,.8); }
}

/* =========================================
   BUTTONS
   ========================================= */
.btn, .btn-outline {
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 30px; border-radius:6px; font-family:'Outfit',sans-serif;
  font-size:1rem; font-weight:700; letter-spacing:.8px; text-transform:uppercase;
  border:none; transition:.35s var(--ease); position:relative; overflow:hidden;
}
.btn::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.25) 50%,transparent 100%);
  transform:translateX(-120%); transition:.5s;
}
.btn:hover::after { transform:translateX(120%); }
.btn {
  background:var(--primary); color:#fff;
  box-shadow:var(--shadow-red);
}
.btn:hover {
  background:var(--primary); transform:translateY(-3px);
  box-shadow:0 0 30px var(--primary-glow), 0 8px 30px rgba(0,0,0,.2);
}
.btn.large { padding:16px 40px; font-size:1.1rem; }
.btn-outline {
  background:transparent; border:2px solid var(--primary); color:var(--primary);
}
.btn-outline:hover { background:var(--primary); color:#fff; box-shadow:var(--shadow-red); }
.btn-ghost {
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 30px; border-radius:6px; font-family:'Outfit',sans-serif;
  font-size:1rem; font-weight:700; letter-spacing:.8px; text-transform:uppercase;
  border:2px solid var(--glass-border); background:var(--glass);
  backdrop-filter:blur(12px); color:var(--text); transition:.35s var(--ease);
}
.btn-ghost:hover { border-color:var(--primary); color:var(--primary); }
.btn-ghost.large { padding:16px 40px; font-size:1.1rem; }

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position:fixed; top:0; left:0; width:100%; height:var(--nav-h); z-index:1000;
  background:var(--glass); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--glass-border);
  transition:background .4s;
}
.nav-inner {
  height:100%; display:flex; align-items:center;
  justify-content:space-between;
  position:relative;
  max-width:1200px; margin:0 auto; padding:0 28px;
}
.logo {
  font-size:1.8rem; font-weight:800; letter-spacing:2px;
  line-height:1;
}
.logo span { color:var(--primary); }
.nav-menu {
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  margin-right:14px;
}
.nav-item {
  position:relative;
  display:inline-flex;
  align-items:center;
}
.nav-link {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 14px;
  border-radius:8px;
  border:1px solid var(--glass-border);
  background:var(--card);
  color:var(--text2);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.8px;
  text-transform:uppercase;
  transition:.3s var(--ease);
}
.nav-link:hover,
.nav-link.active {
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:0 0 16px var(--primary-dim);
}

.nav-link.nav-link-special {
  text-transform:none;
  letter-spacing:.2px;
  color:#fff;
  border-color:var(--primary);
  background:linear-gradient(135deg, var(--primary), #ff874f);
  box-shadow:var(--shadow-red);
}

.nav-link.nav-link-special:hover {
  color:#fff;
  border-color:#ff874f;
  box-shadow:0 0 20px rgba(255, 80, 80, .45);
  transform:translateY(-1px);
}

.nav-item-has-submenu > .nav-link::after {
  content:'▾';
  margin-left:7px;
  font-size:.62rem;
  opacity:.8;
}

.nav-submenu {
  position:absolute;
  top:calc(100% + 10px);
  left:0;
  min-width:180px;
  padding:8px;
  border:1px solid var(--glass-border);
  border-radius:10px;
  background:var(--card);
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:6px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(-8px);
  transition:.25s var(--ease);
  z-index:1002;
}

.nav-item-has-submenu:hover > .nav-submenu,
.nav-item-has-submenu:focus-within > .nav-submenu {
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(0);
}

.nav-sublink {
  display:inline-flex;
  align-items:center;
  justify-content:flex-start;
  width:100%;
  padding:9px 10px;
  border-radius:8px;
  border:1px solid var(--glass-border);
  background:var(--card);
  color:var(--text2);
  font-size:.74rem;
  font-weight:700;
  letter-spacing:.6px;
  text-transform:uppercase;
  transition:.3s var(--ease);
}

.nav-sublink:hover,
.nav-sublink.active {
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:0 0 14px var(--primary-dim);
}
.nav-controls { display:flex; align-items:center; gap:12px; }
.nav-toggle {
  padding:0;
  flex-direction:column;
  gap:4px;
}
.nav-toggle-line {
  width:16px;
  height:2px;
  border-radius:999px;
  background:currentColor;
  transition:.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform:translateY(-6px) rotate(-45deg);
}
.ctrl-btn {
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:8px;
  background:var(--card); border:1px solid var(--glass-border);
  color:var(--text); font-family:'Outfit',sans-serif; font-weight:700;
  font-size:.85rem; transition:.3s var(--ease);
}
.ctrl-btn.nav-toggle { display:none; }
.ctrl-btn.lang-btn {
  width:auto;
  min-width:72px;
  padding:0 12px;
  gap:6px;
  font-size:.78rem;
  letter-spacing:.4px;
  text-transform:uppercase;
}
.ctrl-btn:hover { background:var(--primary); color:#fff; border-color:var(--primary); box-shadow:var(--shadow-red); }

/* =========================================
   SECTIONS
   ========================================= */
section { position:relative; z-index:1; padding:96px 0; }
main > section:not(.hero),
.stats-strip,
.cta-band,
footer {
  content-visibility:auto;
  contain-intrinsic-size:1px 800px;
}
.section-label {
  display:block;
  width:fit-content;
  margin:0 auto 16px;
  font-size:.8rem; font-weight:700; letter-spacing:2px;
  text-transform:uppercase; color:var(--primary);
  padding:6px 14px; border-radius:4px;
  border:1px solid var(--primary); background:var(--primary-dim);
}
.section-title {
  font-size:clamp(2rem,4vw,3rem); font-weight:800;
  line-height:1.15; margin-bottom:20px; letter-spacing:-0.5px;
}
.section-sub {
  font-size:1.1rem; color:var(--text2); max-width:680px;
  line-height:1.75; margin-bottom:40px;
}
.alt-bg { background:var(--bg2); }

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height:100vh; display:flex; align-items:center;
  padding-top:calc(var(--nav-h) + 40px);
  overflow:hidden;
}
.hero-inner {
  display:grid; grid-template-columns:1fr 1fr;
  gap:60px; align-items:center;
  max-width:1200px; margin:0 auto; padding:0 28px;
}
.hero-label { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:28px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 14px; border-radius:4px; font-size:.8rem;
  font-weight:700; text-transform:uppercase; letter-spacing:1px;
  border:1px solid var(--primary); background:var(--primary-dim); color:var(--primary);
}
.hero-badge.long {
  text-transform:none;
  letter-spacing:0;
  font-size:.82rem;
  line-height:1.4;
}
.hero-title {
  font-size:clamp(2.8rem,5vw,4.5rem); font-weight:800;
  line-height:1.1; letter-spacing:-1px; margin-bottom:24px;
}
.hero-sub {
  font-size:1.15rem; color:var(--text2); margin-bottom:40px; line-height:1.75;
}
.hero-cta { display:flex; gap:16px; flex-wrap:wrap; }
/* Hero Visual */
.hero-visual { position:relative; display:flex; justify-content:center; }
.hero-glow {
  position:absolute; width:480px; height:480px; border-radius:50%;
  background:radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  animation:pulse 4s ease-in-out infinite alternate;
  pointer-events:none;
}
@keyframes pulse { 0%{transform:scale(1);opacity:.5} 100%{transform:scale(1.12);opacity:.9} }
.hero-img-wrap {
  position:relative; z-index:2;
  width:100%; max-width:520px; border-radius:16px; overflow:hidden;
  box-shadow:var(--shadow-red);
  border:1px solid var(--glass-border);
  animation:float 7s ease-in-out infinite;
}
.hero-img-wrap img { width:100%; height:380px; object-fit:cover; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-16px)} }
/* Decorative scanlines on hero image */
.hero-img-wrap::after {
  content:''; position:absolute; inset:0; pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.06) 2px,rgba(0,0,0,.06) 4px);
}

/* =========================================
   STATS STRIP
   ========================================= */
.stats-strip {
  background:linear-gradient(90deg,#0a000a,#1a0008,#0a000a);
  padding:56px 0; position:relative; z-index:2;
  border-top:1px solid var(--primary); border-bottom:1px solid var(--primary);
}
.stats-inner {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:32px; max-width:1200px; margin:0 auto; padding:0 28px; text-align:center;
}
.stat-num {
  font-size:3rem; font-weight:800; color:var(--primary);
  text-shadow:0 0 20px var(--primary-glow); line-height:1;
}
.stat-label { font-size:.9rem; font-weight:600; color:#fff; letter-spacing:1px; text-transform:uppercase; margin-top:8px; }
.stat-label.long {
  text-transform:none;
  letter-spacing:0;
  line-height:1.4;
  max-width:240px;
  margin:8px auto 0;
  font-size:.8rem;
}

/* =========================================
   FEATURE CARDS
   ========================================= */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:24px; margin-top:48px;
}
.feature-card {
  background:var(--card); border:1px solid var(--glass-border);
  border-radius:16px; padding:32px; backdrop-filter:blur(12px);
  transition:.4s var(--ease); position:relative; overflow:hidden;
}
.feature-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  transform:scaleX(0); transition:.4s var(--ease);
}
.feature-card:hover { transform:translateY(-8px); border-color:var(--primary); box-shadow:var(--shadow-red); }
.feature-card:hover::before { transform:scaleX(1); }
.card-icon { font-size:2.4rem; margin-bottom:16px; }
.card-title { font-size:1.2rem; font-weight:700; margin-bottom:10px; }
.card-emoji {
  display:inline-block;
  font-size:1.22rem;
  margin-right:8px;
  line-height:1;
  transform:translateY(-1px);
}
.card-text { color:var(--text2); font-size:.95rem; line-height:1.7; }

/* =========================================
   INFO CARDS (two-col text blocks)
   ========================================= */
.info-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:32px;
}
.info-block {
  background:var(--card); border:1px solid var(--glass-border);
  border-radius:14px; padding:28px; backdrop-filter:blur(12px);
  transition:.3s var(--ease);
}
.info-block:hover { border-color:var(--primary); box-shadow:0 0 20px var(--primary-dim); }
.info-block h3 { font-size:1.05rem; font-weight:700; margin-bottom:10px; display:flex; align-items:center; gap:8px; }
.info-block p { color:var(--text2); font-size:.95rem; line-height:1.75; }
.info-block ul { color:var(--text2); font-size:.95rem; line-height:1.75; }
.info-block ul li { padding:4px 0; padding-left:16px; position:relative; }
.info-block ul li::before { content:'▸'; position:absolute; left:0; color:var(--primary); }

/* =========================================
   CLARISSA SECTION
   ========================================= */
.clarissa-wrap {
  display:grid; grid-template-columns:400px 1fr; gap:60px; align-items:start;
}
.clarissa-img-stack { position:relative; }
.clarissa-main-img {
  width:100%; border-radius:16px; overflow:hidden;
  border:1px solid var(--glass-border); box-shadow:var(--shadow-red);
  position:relative;
}
.clarissa-main-img img { width:100%; height:460px; object-fit:cover; }
/* Glowing border effect on professor image */
.clarissa-main-img::before {
  content:''; position:absolute; inset:-2px; border-radius:18px; z-index:-1;
  background:linear-gradient(135deg,var(--primary),transparent,var(--primary));
  animation:borderGlow 3s linear infinite;
}
@keyframes borderGlow { 0%{opacity:.4} 50%{opacity:1} 100%{opacity:.4} }
.clarissa-badge-row { display:flex; gap:12px; margin-top:16px; flex-wrap:wrap; }
.clarissa-badge {
  padding:8px 14px; border-radius:6px; font-size:.8rem; font-weight:700;
  background:var(--primary-dim); border:1px solid var(--primary); color:var(--primary);
  text-transform:uppercase; letter-spacing:1px;
}
.clarissa-text p { color:var(--text2); font-size:1rem; line-height:1.8; margin-bottom:16px; }

/* =========================================
   PHOTO GALLERY — 4-image asymmetric bento
   ========================================= */
.gallery-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:280px 320px;
  gap:16px; margin-top:48px;
}
.gallery-item {
  border-radius:14px; overflow:hidden; position:relative;
  border:1px solid var(--glass-border); transition:.5s var(--ease);
}
/* Wide items span 2 of 3 columns */
.gallery-item.g-wide { grid-column:span 2; }
.gallery-item img {
  width:100%; height:100%; object-fit:cover;
  filter:saturate(0.55) brightness(0.88);
  transition:.5s var(--ease);
}
.gallery-item:hover { box-shadow:var(--shadow-red); border-color:var(--primary); z-index:2; }
.gallery-item:hover img { filter:saturate(1.1) brightness(1.05); transform:scale(1.05); }
.gallery-item::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.55));
  pointer-events:none;
}

/* =========================================
   VIDEO GRID
   ========================================= */
.video-grid {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:24px; margin-top:48px;
}
.video-wrap {
  border-radius:14px; overflow:hidden; position:relative;
  padding-bottom:56.25%; height:0;
  border:1px solid var(--glass-border); transition:.4s var(--ease);
}
.video-wrap:hover { border-color:var(--primary); box-shadow:var(--shadow-red); }
.video-wrap iframe { position:absolute; inset:0; width:100%; height:100%; border:none; }

/* =========================================
   CTA BAND
   ========================================= */
.cta-band {
  background:linear-gradient(135deg, #1a0005, #0a0010, #1a0005);
  border-top:1px solid var(--primary); border-bottom:1px solid var(--primary);
  padding:80px 0; text-align:center;
}
.cta-band .section-title { color:#fff; }
.cta-band .section-sub { color:rgba(255,255,255,.7); margin:0 auto 40px; }
.cta-btns { display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }

/* =========================================
   FOOTER
   ========================================= */
footer {
  background:#04040a; color:#fff;
  border-top:2px solid var(--primary); padding:72px 0 28px;
  position:relative; z-index:2;
}
.footer-inner {
  display:grid; grid-template-columns:2fr 1fr 1fr;
  gap:48px; margin-bottom:56px;
}
.footer-logo { font-size:1.8rem; font-weight:800; letter-spacing:2px; margin-bottom:12px; }
.footer-logo span { color:var(--primary); }
.footer-desc { color:rgba(255,255,255,.55); font-size:.95rem; line-height:1.7; margin-bottom:20px; }
.social-row { display:flex; gap:12px; }
.soc-btn {
  width:40px; height:40px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1);
  color:#fff; transition:.3s var(--ease);
}
.soc-btn:hover { background:var(--primary); border-color:var(--primary); box-shadow:var(--shadow-red); transform:translateY(-4px); }
.footer-col h4 { font-size:1rem; font-weight:700; letter-spacing:1px; text-transform:uppercase; color:var(--primary); margin-bottom:20px; }
.footer-col p, .footer-col a { font-size:.95rem; color:rgba(255,255,255,.6); margin-bottom:10px; display:block; line-height:1.6; }
.footer-col a:hover { color:var(--primary); }
.footer-bottom {
  display:flex; flex-direction:column; align-items:center; gap:16px;
  padding-top:24px; border-top:1px solid rgba(255,255,255,.08);
  text-align:center; color:rgba(255,255,255,.58); font-size:.85rem;
}
.badge-row { display:flex; gap:20px; align-items:center; flex-wrap:wrap; justify-content:center; }
.green-badge {
  padding:6px 14px; border-radius:6px; font-size:.8rem; font-weight:700;
  background:#0a1a10; color:#22c55e; border:1px solid #22c55e; letter-spacing:.5px;
}
.gh-badge img { width:28px; height:28px; filter:brightness(0) invert(1); opacity:.5; transition:.3s; }
.gh-badge:hover img { opacity:1; }

/* =========================================
   ANIMATIONS / SCROLL
   ========================================= */
.reveal { opacity:0; transform:translateY(36px); transition:.8s var(--ease); }
.reveal.visible { opacity:1; transform:none; }
.reveal-left { opacity:0; transform:translateX(-40px); transition:.8s var(--ease); }
.reveal-left.visible { opacity:1; transform:none; }
.reveal-right { opacity:0; transform:translateX(40px); transition:.8s var(--ease); }
.reveal-right.visible { opacity:1; transform:none; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media(max-width:1024px){
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 40px); padding-bottom: 60px; }
  .hero-inner { display: flex; flex-direction: column; text-align: center; gap: 40px; }
  .hero-cta { justify-content: center; }
  .hero-visual { order: -1; display: flex; justify-content: center; margin-top: 0; }
  .hero-img-wrap { max-width: 100%; width: 100%; }
  .hero-img-wrap img { height: 280px; }
  .clarissa-wrap { grid-template-columns: 1fr; }
  .clarissa-main-img img { height: 300px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media(max-width:768px){
  section { padding:64px 0; }
  .formula-chip { font-size:.73rem; opacity:var(--opacity-min, .2); }
  .symbol-chip { font-size:.72rem; opacity:var(--s-opacity, .28); }
  .tech-geo-shape { opacity:.48; }
  .tech-network-canvas { opacity:.72; }
  .cinema-atmo-layer { opacity:.58; }
  .hero-label-home {
    justify-content:center;
    align-items:center;
    flex-direction:column;
    gap:10px;
    margin-bottom:24px;
  }
  .hero-label-home .hero-badge,
  .hero-label-home .hero-badge.long {
    width:100%;
    max-width:360px;
    justify-content:center;
    text-align:center;
    font-size:.95rem;
    padding:10px 16px;
    line-height:1.35;
  }
  .ctrl-btn.nav-toggle { display:inline-flex; }
  .nav-controls { margin-left:auto; gap:8px; }
  .ctrl-btn.lang-btn { min-width:64px; padding:0 10px; }
  .nav-menu {
    position:absolute;
    top:calc(100% + 10px);
    left:16px;
    right:16px;
    margin:0;
    padding:10px;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    border:1px solid var(--glass-border);
    border-radius:12px;
    background:var(--card);
    box-shadow:var(--shadow);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-8px);
    transition:.25s var(--ease);
    z-index:1001;
  }
  .nav-menu.open {
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }
  .nav-link {
    width:100%;
    justify-content:flex-start;
    padding:11px 12px;
    font-size:.78rem;
    letter-spacing:.5px;
  }
  .nav-item {
    width:100%;
    flex-direction:column;
    align-items:stretch;
  }
  .nav-item-has-submenu > .nav-link::after {
    margin-left:auto;
  }
  .nav-submenu {
    position:static;
    min-width:0;
    margin-top:6px;
    padding:0 0 0 12px;
    border:none;
    border-radius:0;
    background:transparent;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:none;
  }
  .nav-sublink {
    width:100%;
    justify-content:flex-start;
    padding:10px 12px;
    font-size:.74rem;
    letter-spacing:.4px;
    background:rgba(255,255,255,.02);
  }
  [data-theme="light"] .nav-sublink {
    background:rgba(0,0,0,.02);
  }
  .stats-inner { grid-template-columns:repeat(2,1fr); }
  .info-grid { grid-template-columns:1fr; }
  .gallery-grid { grid-template-columns:1fr 1fr; grid-template-rows:auto; }
  .gallery-item.g-wide { grid-column:span 2; }
  .gallery-item img { height:220px; }
  .video-grid { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; }
}
@media(max-width:480px){
  .formula-chip { font-size:.68rem; opacity:var(--opacity-min, .16); }
  .symbol-chip { font-size:.66rem; opacity:var(--s-opacity, .24); }
  .tech-geo-shape { opacity:.42; }
  .tech-network-canvas { opacity:.62; }
  .cinema-atmo-layer { opacity:.5; }
  .stats-inner { grid-template-columns:1fr 1fr; }
  .hero-title { font-size:2.4rem; }
  .stat-num { font-size:2.2rem; }
  .gallery-grid { grid-template-columns:1fr; }
  .gallery-item.g-wide { grid-column:span 1; }
  .gallery-item img { height:200px; }
}

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox-overlay {
  position:fixed; inset:0; z-index:9000;
  background:rgba(0,0,0,0.93); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity .3s, visibility .3s;
}
.lightbox-overlay.active { opacity:1; visibility:visible; }
.lightbox-img {
  max-width:90vw; max-height:86vh; border-radius:14px;
  box-shadow:0 0 80px rgba(0,0,0,.9), 0 0 30px var(--primary-glow);
  object-fit:contain; display:block;
  border:1px solid rgba(255,255,255,.1);
}
.lightbox-close {
  position:absolute; top:20px; right:24px;
  width:48px; height:48px; border-radius:50%; cursor:pointer;
  background:rgba(255,255,255,.1); border:1.5px solid rgba(255,255,255,.25);
  color:#fff; font-size:1.5rem; display:flex; align-items:center; justify-content:center;
  transition:.3s; line-height:1;
}
.lightbox-close:hover { background:var(--primary); border-color:var(--primary); transform:scale(1.1); }
.lightbox-nav {
  position:absolute; top:50%; transform:translateY(-50%);
  width:48px; height:48px; border-radius:50%; cursor:pointer;
  background:rgba(255,255,255,.1); border:1.5px solid rgba(255,255,255,.25);
  color:#fff; font-size:1.4rem; display:flex; align-items:center; justify-content:center;
  transition:.3s;
}
.lightbox-nav:hover { background:var(--primary); border-color:var(--primary); }
.lightbox-prev { left:20px; }
.lightbox-next { right:20px; }
.lightbox-caption {
  position:absolute; bottom:20px; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,.5); font-size:.85rem; white-space:nowrap;
}

/* =========================================
   ACCESSIBILITY
   ========================================= */
.skip-link {
  position:absolute; top:-200%; left:50%; transform:translateX(-50%);
  background:var(--primary); color:#fff; padding:12px 28px;
  border-radius:0 0 10px 10px; font-weight:700; font-size:1rem;
  z-index:9999; transition:top .2s; text-decoration:none;
}
.skip-link:focus { top:0; }
:focus-visible {
  outline:2px solid #fff;
  outline-offset:2px;
  border-radius:6px;
  box-shadow:0 0 0 4px var(--primary);
}
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
.gallery-item:focus-visible {
  outline:2px solid #fff;
  outline-offset:2px;
  box-shadow:0 0 0 4px var(--primary);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after {
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  .cyber-grid,
  .cyber-grid::before,
  .cyber-grid::after,
  .tech-geometry-layer,
  .tech-geo-shape,
  .tech-network-canvas,
  .cinema-atmo-layer,
  .formula-layer,
  .symbol-loop-layer,
  .formula-chip,
  .symbol-chip,
  .hero-glow,
  .hero-img-wrap {
    animation:none !important;
  }
}
.gallery-item { cursor:zoom-in; }