/* Fonts: Oxanium (display), Rubik (body), Inter (modern) */
:root {
  --bg: #070a12;
  --bg-2: #0b1020;
  --bg-soft: #090a1f;
  --text: #f9fafb;
  --muted: #9ca3af;
  --primary: #07f7ff;
  --accent: #7c3aed;
  --accent-alt: #22d3ee;
  --danger: #ff3b81;
  --card: #0e1630cc;
  --glass: rgba(10, 16, 32, 0.55);
  --ring: 0 0 0 2px color-mix(in srgb, var(--primary) 60%, transparent);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --shadow-soft: 0 24px 80px rgba(15, 23, 42, 0.85);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Rubik", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 70% 20%, #0b1530, var(--bg)) fixed;
  overflow-x: hidden;
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
}

/* Add NeuroZen-style ambient glow - Enhanced */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(circle at 10% 0, rgba(56, 189, 248, 0.1), transparent 55%),
    radial-gradient(circle at 90% 20%, rgba(124, 58, 237, 0.15), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(7, 247, 255, 0.08), transparent 55%),
    radial-gradient(circle at 30% 60%, rgba(168, 85, 247, 0.08), transparent 50%);
  opacity: 0.8;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: -1;
  animation: ambientPulse 8s ease-in-out infinite;
}

@keyframes ambientPulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.6; }
}

/* Intro Loading Screen */
.intro-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(circle at 50% 50%, #0b1530, var(--bg));
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeOut 0.6s ease-out 1.4s forwards;
  pointer-events: none;
}

.intro-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(124, 58, 237, 0.2), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(34, 211, 238, 0.15), transparent 50%);
  animation: pulse 2s ease-in-out infinite;
}

.intro-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.intro-glitch {
  font-family: "Inter", sans-serif;
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: clamp(48px, 8vw, 120px);
  position: relative;
  background: linear-gradient(120deg, #a855f7, #22d3ee, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  animation: introGlitch 1s ease-in-out, glow 2s ease-in-out infinite;
}

.intro-glitch::before,
.intro-glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  mix-blend-mode: screen;
  opacity: 0.8;
}

.intro-glitch::before {
  animation: introGlitchTop 1s infinite linear;
  color: #22d3ee;
  clip-path: polygon(0 0%, 100% 0%, 100% 45%, 0 45%);
}

.intro-glitch::after {
  animation: introGlitchBottom 0.9s infinite linear;
  color: #7c3aed;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes fadeOut {
  0% { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}
@keyframes introGlitch {
  0%, 100% { transform: translate(0); }
  10% { transform: translate(-3px, 3px); }
  20% { transform: translate(3px, -3px); }
  30% { transform: translate(-3px, -3px); }
  40% { transform: translate(3px, 3px); }
  50% { transform: translate(-3px, 3px); }
  60% { transform: translate(3px, -3px); }
  70% { transform: translate(-3px, -3px); }
  80% { transform: translate(3px, 3px); }
  90% { transform: translate(-3px, 3px); }
}
@keyframes introGlitchTop {
  0%, 100% { transform: translate(4px, -4px); }
  25% { transform: translate(-4px, -4px); }
  50% { transform: translate(4px, -6px); }
  75% { transform: translate(-6px, -2px); }
}
@keyframes introGlitchBottom {
  0%, 100% { transform: translate(-4px, 4px); }
  25% { transform: translate(4px, 4px); }
  50% { transform: translate(-4px, 6px); }
  75% { transform: translate(6px, 2px); }
}

/* Canvas background - subtle */
#nzt-nebula {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.3;
}
.scanline {
  display: none;
}

/* Header - Blend of NZT and NeuroZen styles */
.site-header {
  position: sticky;
  top: 16px;
  margin: 16px 32px 0;
  backdrop-filter: blur(20px) saturate(180%);
  background: linear-gradient(
    120deg,
    rgba(10,16,32,0.88),
    rgba(15,23,42,0.85)
  ),
  radial-gradient(circle at top left, rgba(124,58,237,0.12), transparent 60%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(124,58,237,0.35);
  box-shadow: 
    0 20px 50px rgba(15,23,42,0.9), 
    0 0 0 1px rgba(7,247,255,0.12) inset,
    0 8px 32px rgba(124,58,237,0.2);
  z-index: 10;
  transition: all 0.3s ease;
}
.site-header:hover {
  border-color: rgba(124,58,237,0.5);
  box-shadow: 
    0 24px 60px rgba(15,23,42,0.95), 
    0 0 0 1px rgba(7,247,255,0.2) inset,
    0 12px 40px rgba(124,58,237,0.3);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); transition: transform 0.2s ease; }
.brand:hover { transform: translateY(-1px); }
.brand__logo { 
  filter: drop-shadow(0 0 10px rgba(7,247,255,0.5)) drop-shadow(0 0 20px rgba(124,58,237,0.4)); 
  border-radius: 12px;
  object-fit: cover;
  transition: filter 0.3s ease;
}
.brand:hover .brand__logo {
  filter: drop-shadow(0 0 14px rgba(7,247,255,0.7)) drop-shadow(0 0 28px rgba(124,58,237,0.6));
}
.brand__text { 
  font-family: Oxanium, monospace; 
  font-weight: 700; 
  letter-spacing: 0.08em;
  background: linear-gradient(120deg, var(--primary), var(--accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav__toggle { display: none; }
.nav__list { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; align-items: center; }
.nav__link { 
  color: var(--muted); 
  text-decoration: none; 
  padding: 10px 16px; 
  border-radius: var(--radius-md); 
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 15px;
}
.nav__link:hover { 
  color: var(--text); 
  background: rgba(124,58,237,0.15); 
  transform: translateY(-1px);
}
.nav__cta { 
  color: var(--text); 
  text-decoration: none; 
  padding: 10px 18px; 
  border-radius: var(--radius-md); 
  border: 1px solid rgba(124,58,237,0.4); 
  background: linear-gradient(135deg, rgba(7,247,255,0.1), rgba(124,58,237,0.15)); 
  box-shadow: 0 0 24px rgba(124,58,237,0.25) inset;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 15px;
}
.nav__cta:hover { 
  box-shadow: 0 0 36px rgba(124,58,237,0.4) inset; 
  border-color: rgba(124,58,237,0.6);
  transform: translateY(-1px);
}

/* Hero */
.hero { position: relative; min-height: 88vh; display: grid; place-items: center; padding: 96px 24px 48px; }
.hero__shader { position: absolute; inset: 0; background: radial-gradient(600px 600px at 50% 30%, rgba(7,247,255,0.18), transparent), radial-gradient(800px 800px at 20% 70%, rgba(122,92,255,0.18), transparent); pointer-events: none; }
.hero__content { max-width: 1100px; text-align: center; animation: fadeIn 900ms ease-out 50ms both; }
.glitch { font-family: Oxanium, monospace; font-weight: 700; letter-spacing: 0.12em; font-size: clamp(42px, 7vw, 96px); position: relative; text-shadow: 0 0 12px rgba(7,247,255,0.6), 0 0 22px rgba(124,58,237,0.5), 0 0 32px rgba(34,211,238,0.4); }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; left: 0; right: 0; top: 0; bottom: 0; mix-blend-mode: screen; }
.glitch::before { transform: translate(2px, -2px); color: #22d3ee; clip-path: polygon(0 2%, 100% 2%, 100% 44%, 0 44%); animation: glitchTop 3s infinite linear; }
.glitch::after { transform: translate(-2px, 2px); color: #7c3aed; clip-path: polygon(0 56%, 100% 56%, 100% 100%, 0 100%); animation: glitchBottom 2.7s infinite linear; }
.subtitle { margin: 8px 0 20px; background: linear-gradient(120deg, var(--primary), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; font-size: clamp(12px, 1.6vw, 16px); }
.lede { color: var(--muted); font-size: 17px; max-width: 760px; margin: 0 auto 28px; line-height: 1.7; font-weight: 400; }

.cta { display: inline-flex; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: var(--radius-md); text-decoration: none; font-weight: 600; letter-spacing: 0.02em; transition: all .2s ease; font-size: 15px; }
.btn--primary { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-alt), var(--primary)); box-shadow: 0 12px 35px rgba(124,58,237,0.4), 0 0 0 1px rgba(7,247,255,0.3) inset; }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 16px 45px rgba(124,58,237,0.5), 0 0 0 1px rgba(7,247,255,0.4) inset, 0 0 40px rgba(124,58,237,0.3); }
.btn--ghost { color: var(--text); border: 1px solid rgba(124,58,237,0.45); background: linear-gradient(135deg, rgba(7,247,255,0.1), rgba(124,58,237,0.1)); backdrop-filter: blur(10px); }
.btn--ghost:hover { background: linear-gradient(135deg, rgba(7,247,255,0.18), rgba(124,58,237,0.18)); border-color: rgba(124,58,237,0.65); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,58,237,0.25); }

.hero__metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
.metric { background: linear-gradient(135deg, var(--card), rgba(15,23,42,0.6)); border: 1px solid rgba(124,58,237,0.35); padding: 18px 20px; border-radius: var(--radius-lg); backdrop-filter: blur(8px); box-shadow: 0 0 0 1px rgba(7,247,255,0.1) inset, 0 8px 24px rgba(0,0,0,0.3); transition: transform .2s ease, border-color .2s ease; }
.metric:hover { transform: translateY(-4px); border-color: rgba(124,58,237,0.6); }
.metric__num { display: block; font-family: Oxanium, monospace; font-size: 24px; background: linear-gradient(90deg, var(--primary), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; margin-bottom: 8px; }
.metric__label { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; margin-top: 4px; }

/* Sections */
.section { position: relative; padding: 72px 24px; }
.section__inner { max-width: 1100px; margin: 0 auto; }
.section__title { font-family: Oxanium, monospace; letter-spacing: 0.08em; margin: 0 0 18px; }
.section__title {
  font-size: clamp(28px, 4vw, 44px);
  background: linear-gradient(120deg, var(--primary), var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(124,58,237,0.3);
}
.section--about .features { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.feature { background: linear-gradient(135deg, var(--glass), rgba(15,23,42,0.4)); border: 1px solid rgba(124,58,237,0.3); border-radius: var(--radius-lg); padding: 20px; box-shadow: 0 0 0 1px rgba(7,247,255,0.08) inset; transition: transform .2s ease, border-color .2s ease; }
.feature:hover { transform: translateY(-4px); border-color: rgba(124,58,237,0.5); }
.feature h4 { margin-top: 0; background: linear-gradient(90deg, var(--primary), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.section--grid .cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.card { background: linear-gradient(135deg, rgba(10,16,32,0.65), rgba(15,23,42,0.45)); border: 1px solid rgba(124,58,237,0.3); border-radius: var(--radius-lg); padding: 20px; box-shadow: 0 0 0 1px rgba(7,247,255,0.08) inset, 0 8px 32px rgba(0,0,0,0.4); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(124,58,237,0.25), 0 0 0 1px rgba(7,247,255,0.15) inset; border-color: rgba(124,58,237,0.5); }

/* Flowing river layout - Enhanced blend */
.river { display: flex; flex-wrap: wrap; gap: 20px; align-items: stretch; }
.river__item { flex: 1 1 360px; border-radius: 24px; padding: 28px; background: linear-gradient(135deg, rgba(10,16,32,0.7), rgba(15,23,42,0.5)), radial-gradient(circle at top right, rgba(124,58,237,0.15), transparent 70%); border: 1px solid rgba(124,58,237,0.35); box-shadow: 0 0 0 1px rgba(7,247,255,0.1) inset, 0 12px 36px rgba(0,0,0,0.3); position: relative; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; }
.river__item::after { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(closest-side, rgba(124,58,237,0.2), rgba(7,247,255,0.1), transparent); filter: blur(12px); }
.river__item:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(124,58,237,0.3), 0 0 0 1px rgba(7,247,255,0.2) inset; }
.river__item:nth-child(odd) { transform: translateY(-8px); }
.river__item:nth-child(even) { transform: translateY(8px); }
.river__item:hover:nth-child(odd), .river__item:hover:nth-child(even) { transform: translateY(-12px); }
.river__item h4 { margin-top: 0; color: var(--text); font-family: Oxanium, monospace; letter-spacing: 0.04em; font-size: 20px; background: linear-gradient(90deg, var(--primary), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.river__item p { color: var(--muted); font-size: 16.5px; line-height: 1.65; }

.section--platform .platform { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; align-items: center; }
.platform__diagram { position: relative; background: radial-gradient(400px 260px at 50% 40%, rgba(7,247,255,0.12), rgba(0,0,0,0)); border: 1px solid rgba(122,92,255,0.25); padding: 24px; border-radius: 12px; min-height: 300px; }
.node { position: absolute; padding: 8px 12px; background: rgba(0,0,0,0.4); border: 1px solid rgba(7,247,255,0.3); border-radius: 10px; font-family: Oxanium, monospace; font-size: 12px; box-shadow: 0 0 0 1px rgba(122,92,255,0.25) inset; }
.node--edge { left: 14px; top: 8px; }
.node--id { left: 40%; top: 24%; }
.node--policy { right: 14px; top: 8px; }
.node--observe { left: 18%; bottom: 16%; }
.node--apps { right: 10%; bottom: 12%; }
.links { position: absolute; inset: 0; opacity: 0.8; }
.platform__copy .ticks { margin: 0 0 16px 18px; }

.section--dark { background: linear-gradient(180deg, rgba(10,16,32,0.7), rgba(10,16,32,0.4)); }
.timeline { position: relative; margin-left: 10px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--primary), transparent); }
.event { position: relative; margin: 18px 0 18px 18px; }
.event__dot { position: absolute; left: -14px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 16px var(--primary); }
.event__body h5 { margin: 0 0 6px; color: var(--primary); }
.event__body p { margin: 0; color: var(--muted); }

.section--contact .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 6px; }
input, textarea { background: rgba(0,0,0,0.4); border: 1px solid rgba(7,247,255,0.3); border-radius: 10px; color: var(--text); padding: 10px 12px; outline: none; }
input:focus, textarea:focus { box-shadow: var(--ring); border-color: var(--primary); }
.form__note { margin-top: 8px; color: var(--muted); min-height: 20px; }

/* Footer */
.site-footer { border-top: 1px solid rgba(122,92,255,0.25); background: rgba(10,16,32,0.5); padding: 18px 24px; display: flex; }
.site-footer .section__inner { display: flex; justify-content: space-between; align-items: center; }
.social a { color: var(--muted); text-decoration: none; margin-left: 10px; }
.social a:hover { color: var(--text); }

/* Active nav */
.nav__link.is-active { color: var(--text); text-shadow: 0 0 10px rgba(7,247,255,0.6); }

/* NeuroZen AI Section - More NeuroZen style */
.section--neurozen { background: linear-gradient(135deg, rgba(15,23,42,0.7), rgba(10,16,32,0.5)); position: relative; }
.section--neurozen::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(124,58,237,0.15), transparent 60%), radial-gradient(circle at 70% 80%, rgba(34,211,238,0.1), transparent 60%); pointer-events: none; }
.section--neurozen .section__subtitle { color: var(--muted); font-size: 17px; margin-bottom: 32px; max-width: 900px; line-height: 1.7; font-family: "Inter", sans-serif; }
.neurozen-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 24px; position: relative; z-index: 1; }
.neurozen-card { background: linear-gradient(135deg, rgba(15,23,42,0.85), rgba(10,16,32,0.7)); border: 1px solid rgba(124,58,237,0.4); border-radius: 22px; padding: 26px; box-shadow: 0 0 0 1px rgba(34,211,238,0.15) inset, 0 16px 40px rgba(0,0,0,0.4); position: relative; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.neurozen-card:hover { transform: translateY(-6px); box-shadow: 0 24px 56px rgba(124,58,237,0.35), 0 0 0 1px rgba(34,211,238,0.25) inset; border-color: rgba(124,58,237,0.6); }
.neurozen-card::after { content: ""; position: absolute; right: -50px; top: -50px; width: 160px; height: 160px; border-radius: 50%; background: radial-gradient(closest-side, rgba(124,58,237,0.25), rgba(34,211,238,0.15), transparent); filter: blur(10px); }
.neurozen-card h4 { margin: 0 0 14px; background: linear-gradient(120deg, var(--accent), var(--accent-alt), var(--primary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-family: "Inter", Oxanium, monospace; letter-spacing: 0.02em; font-size: 21px; font-weight: 700; position: relative; z-index: 1; }
.neurozen-card p { color: var(--muted); font-size: 16px; line-height: 1.7; margin: 0 0 18px; font-family: "Inter", sans-serif; position: relative; z-index: 1; }
.neurozen-card__header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; position: relative; z-index: 1; }
.neurozen-badge { display: inline-block; padding: 6px 14px; border-radius: var(--radius-pill); background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(34,211,238,0.15)); border: 1px solid rgba(124,58,237,0.4); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; background: linear-gradient(90deg, var(--accent), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 600; white-space: nowrap; box-shadow: 0 0 20px rgba(124,58,237,0.3); }
.neurozen-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; position: relative; z-index: 1; }
.neurozen-metric { text-align: center; padding: 14px; background: linear-gradient(135deg, rgba(15,23,42,0.9), rgba(10,16,32,0.8)); border: 1px solid rgba(124,58,237,0.35); border-radius: 14px; box-shadow: 0 0 0 1px rgba(34,211,238,0.1) inset; transition: transform .2s ease, border-color .2s ease; }
.neurozen-metric:hover { transform: translateY(-2px); border-color: rgba(124,58,237,0.6); }
.neurozen-metric__num { display: block; font-family: "Inter", Oxanium, monospace; font-size: 20px; background: linear-gradient(90deg, var(--accent-alt), var(--primary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; }
.neurozen-metric__label { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; font-family: "Inter", sans-serif; }
.neurozen-list { display: grid; gap: 16px; position: relative; z-index: 1; }
.neurozen-list-item strong { display: block; background: linear-gradient(90deg, var(--primary), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 6px; font-size: 15.5px; font-family: "Inter", sans-serif; font-weight: 600; }
.neurozen-list-item p { color: var(--muted); font-size: 14.5px; line-height: 1.65; margin: 0; font-family: "Inter", sans-serif; }
.neurozen-tagline { font-style: italic; color: var(--muted); margin-bottom: 18px; font-family: "Inter", sans-serif; }
.neurozen-footer { margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(124,58,237,0.3); text-align: center; position: relative; z-index: 1; }
.neurozen-footer p { color: var(--muted); font-size: 16px; margin: 0; font-family: "Inter", sans-serif; }
.neurozen-footer strong { background: linear-gradient(90deg, var(--accent), var(--accent-alt)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* Animations */
@keyframes glitchTop { 0%,100% { transform: translate(2px,-2px); } 20% { transform: translate(1px,-1px); } 40% { transform: translate(3px,-3px); } 60% { transform: translate(2px,-2px); } 80% { transform: translate(4px,-1px); } }
@keyframes glitchBottom { 0%,100% { transform: translate(-2px,2px); } 25% { transform: translate(-1px,1px); } 50% { transform: translate(-3px,3px); } 75% { transform: translate(-2px,2px); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 980px) {
  .section--grid .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section--about .features { grid-template-columns: 1fr; }
  .section--platform .platform { grid-template-columns: 1fr; }
  .neurozen-grid { grid-template-columns: 1fr; }
  .neurozen-metrics { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .hero { padding-top: 84px; }
  .hero__metrics { grid-template-columns: 1fr; }
  .section--contact .grid { grid-template-columns: 1fr; }
  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; background: rgba(7,247,255,0.08); color: var(--text); border: 1px solid rgba(7,247,255,0.35); padding: 8px 10px; border-radius: 10px; }
  .nav__list { position: absolute; right: 16px; top: 58px; flex-direction: column; background: rgba(10,16,32,0.9); padding: 12px; border-radius: 12px; border: 1px solid rgba(122,92,255,0.25); display: none; }
  .nav__list.is-open { display: flex; }
  .river__item { transform: none; }
  .neurozen-metrics { grid-template-columns: 1fr; }
}