/* Kynetra Prime OS v2.0 — Styles */

:root {
  --bg: #060812;
  --bg2: #0b0f1e;
  --bg3: #111827;
  --surface: rgba(255,255,255,0.04);
  --surface2: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #64748b;
  --blue: #6366f1;
  --purple: #8b5cf6;
  --cyan: #06b6d4;
  --green: #10b981;
  --orange: #f59e0b;
  --pink: #ec4899;
  --white: #ffffff;
  --grad1: linear-gradient(135deg, #6366f1, #8b5cf6);
  --grad2: linear-gradient(135deg, #06b6d4, #6366f1);
  --grad3: linear-gradient(135deg, #8b5cf6, #ec4899);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.6);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

::selection { background: rgba(99,102,241,0.35); }

a { color: inherit; text-decoration: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ── UTILITIES ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; }

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--white) 0%, var(--text2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  color: var(--text2);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 60px;
}

.gradient-text {
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.navbar.scrolled {
  background: rgba(6,8,18,0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.navbar.hide { transform: translateY(-100%); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.brand-icon {
  width: 28px; height: 28px;
  background: var(--grad1);
  border-radius: 7px;
  display: block;
  position: relative;
}
.brand-icon::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--bg);
  border-radius: 4px;
}

.brand-accent { color: var(--blue); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: var(--surface2);
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  background: var(--grad1);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

#heroCanvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.25);
  background: rgba(6,182,212,0.06);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 24px;
}

#typedText { min-height: 1.1em; display: block; }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 540px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.hero-stat {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.hero-stat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad1);
  opacity: 0;
  transition: opacity var(--transition);
}
.hero-stat:hover::before { opacity: 0.06; }

.hs-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}
.hs-unit { font-size: 1.25rem; font-weight: 700; color: var(--blue); }
.hs-label { font-size: 0.75rem; color: var(--text3); margin-top: 4px; font-weight: 500; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad1);
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.4); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}
.btn-ghost:hover { background: var(--surface2); border-color: var(--blue); }

.hero-stack {
  position: relative;
  z-index: 1;
  padding-left: 60px;
}

.hs-layers {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hs-layer-item {
  font-size: 0.78rem;
  font-weight: 500;
  font-family: var(--mono);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(10px);
  color: var(--text2);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition);
}
.hs-layer-item.special {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.35);
  color: var(--white);
}
.hs-layer-item.web7 {
  background: rgba(6,182,212,0.08);
  border-color: rgba(6,182,212,0.3);
  color: var(--cyan);
}
.hs-layer-dots {
  text-align: center;
  color: var(--text3);
  font-size: 1.1rem;
  letter-spacing: 4px;
  padding: 2px 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

/* ── ARCHITECTURE ── */
.architecture { background: var(--bg2); }

.arch-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.arch-tab {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text2);
  cursor: pointer;
  transition: all var(--transition);
}
.arch-tab:hover { border-color: var(--blue); color: var(--white); }
.arch-tab.active {
  background: var(--grad1);
  border-color: transparent;
  color: var(--white);
}

.arch-panels { position: relative; }
.arch-panel { display: none; }
.arch-panel.active { display: block; }

.layer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.layer-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.layer-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad1);
  opacity: 0;
  transition: opacity var(--transition);
}
.layer-card:hover { border-color: var(--border2); background: var(--surface2); transform: translateY(-2px); }
.layer-card:hover::before { opacity: 1; }

.layer-card.accent { border-color: rgba(99,102,241,0.4); background: rgba(99,102,241,0.07); }
.layer-card.accent::before { opacity: 1; }
.layer-card.web7-card { border-color: rgba(6,182,212,0.3); background: rgba(6,182,212,0.05); }
.layer-card.web7-card::before { background: var(--grad2); opacity: 1; }

.ln {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--blue);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.layer-card strong { font-size: 0.9rem; font-weight: 700; color: var(--white); display: block; margin-bottom: 5px; }
.layer-card p { font-size: 0.8rem; color: var(--text2); line-height: 1.5; }

/* ── HYPERBRIDGE ── */
.hyperbridge-section { background: var(--bg); }

.hb-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 40px;
}

.hb-diagram {
  position: relative;
  width: 380px;
  height: 380px;
  flex-shrink: 0;
}

.outer-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--border2);
  animation: spin-slow 20s linear infinite;
}

.hb-node {
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text2);
  line-height: 1.3;
  transition: all var(--transition);
}
.hb-node:hover { border-color: var(--blue); color: var(--white); background: rgba(99,102,241,0.1); }

.n1 { top: -40px; left: 50%; transform: translateX(-50%); }
.n2 { top: 14%; right: -40px; }
.n3 { bottom: 14%; right: -40px; }
.n4 { bottom: -40px; left: 50%; transform: translateX(-50%); }
.n5 { bottom: 14%; left: -40px; }
.n6 { top: 14%; left: -40px; }

.hb-core {
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, rgba(99,102,241,0.05) 70%);
  border: 1px solid rgba(99,102,241,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--white);
  box-shadow: 0 0 40px rgba(99,102,241,0.2);
  animation: glow-pulse 3s ease-in-out infinite;
}

.hb-subsystems {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hb-sub {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.hb-sub:hover { border-color: rgba(99,102,241,0.4); background: rgba(99,102,241,0.05); }
.hb-sub h4 { font-size: 0.85rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.hb-sub p { font-size: 0.78rem; color: var(--text2); line-height: 1.5; }

.hb-interfaces {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.iface {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  border: 1px solid rgba(6,182,212,0.25);
  background: rgba(6,182,212,0.06);
  border-radius: var(--radius-sm);
  color: var(--cyan);
}

/* ── FEATURES ── */
.features-section { background: var(--bg2); }

.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.feat-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.feat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
.feat-card:hover { transform: translateY(-4px); border-color: var(--border2); background: var(--surface2); }
.feat-card:hover::after { opacity: 1; }

.feat-card[data-color="blue"]::after { background: var(--blue); }
.feat-card[data-color="purple"]::after { background: var(--purple); }
.feat-card[data-color="cyan"]::after { background: var(--cyan); }
.feat-card[data-color="green"]::after { background: var(--green); }
.feat-card[data-color="orange"]::after { background: var(--orange); }
.feat-card[data-color="pink"]::after { background: var(--pink); }

.feat-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-bottom: 10px;
}
.feat-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.feat-card p { font-size: 0.83rem; color: var(--text2); line-height: 1.6; }

/* ── WEB7 ── */
.web7-section { background: var(--bg); }

.w7-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.w7-card {
  padding: 28px;
  background: rgba(6,182,212,0.04);
  border: 1px solid rgba(6,182,212,0.15);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.w7-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.w7-card:hover { background: rgba(6,182,212,0.07); border-color: rgba(6,182,212,0.3); transform: translateY(-3px); }
.w7-card:hover::before { opacity: 1; }

.w7-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  color: var(--cyan);
  line-height: 1;
}
.w7-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.w7-card p { font-size: 0.83rem; color: var(--text2); line-height: 1.65; }

.w7-protocols {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.w7-protocols span {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  background: var(--surface);
  transition: all var(--transition);
}
.w7-protocols span:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── PERFORMANCE ── */
.perf-section { background: var(--bg2); }

.perf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.perf-bar-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.perf-bar-card:hover { border-color: var(--border2); background: var(--surface2); }

.pb-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  min-width: 160px;
  flex-shrink: 0;
}

.pb-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  overflow: hidden;
}

.pb-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: var(--c, var(--blue));
  transition: width 1.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 8px var(--c, var(--blue));
}

.pb-value {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  min-width: 80px;
  text-align: right;
}

/* ── EDITIONS ── */
.editions-section { background: var(--bg); }

.ed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.ed-card {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: all var(--transition);
}
.ed-card:hover { border-color: var(--border2); background: var(--surface2); transform: translateY(-3px); box-shadow: var(--shadow); }

.ed-card.featured {
  border-color: rgba(99,102,241,0.5);
  background: rgba(99,102,241,0.06);
}
.ed-card.featured:hover { border-color: var(--blue); }

.ed-badge {
  position: absolute;
  top: -10px; left: 20px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--grad1);
  color: var(--white);
  padding: 3px 10px;
  border-radius: 100px;
}

.ed-icon { font-size: 1.6rem; margin-bottom: 12px; }
.ed-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.ed-card > p { font-size: 0.8rem; color: var(--text2); margin-bottom: 16px; line-height: 1.5; }

.ed-card ul { list-style: none; }
.ed-card li {
  font-size: 0.78rem;
  color: var(--text2);
  padding: 4px 0 4px 16px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.ed-card li:last-child { border-bottom: none; }
.ed-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 0.7rem;
}

/* ── ROADMAP ── */
.roadmap-section { background: var(--bg2); }

.rm-timeline {
  position: relative;
  padding-left: 32px;
}
.rm-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 10px; bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--blue), transparent);
}

.rm-phase {
  position: relative;
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
}
.rm-phase:last-child { margin-bottom: 0; }

.rm-dot {
  position: absolute;
  left: -22px;
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid var(--text3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.rm-dot.active { border-color: var(--blue); background: var(--blue); box-shadow: 0 0 12px rgba(99,102,241,0.6); }

.rm-content {
  flex: 1;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.rm-content:hover { border-color: var(--border2); background: var(--surface2); }

.rm-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.rm-header h3 { font-size: 1rem; font-weight: 700; color: var(--white); flex: 1; min-width: 160px; }
.rm-time {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text3);
}
.rm-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 100px;
}
.active-tag { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }

.rm-content ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 6px; }
.rm-content li { font-size: 0.82rem; color: var(--text2); padding-left: 14px; position: relative; }
.rm-content li::before { content: '·'; position: absolute; left: 0; color: var(--blue); font-size: 1.2rem; line-height: 1; }

/* ── INVESTOR STRIP ── */
.investor-section {
  background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(139,92,246,0.08) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
}

.inv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.inv-num {
  font-size: 3rem;
  font-weight: 900;
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.inv-label { font-size: 0.85rem; color: var(--text2); font-weight: 500; }

/* ── FOOTER ── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}
.footer-brand > p { font-size: 0.83rem; color: var(--text2); line-height: 1.65; max-width: 280px; margin-bottom: 14px; }
.footer-tagline {
  font-size: 0.7rem;
  font-family: var(--mono);
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 100px;
  padding: 3px 10px;
  display: inline-block;
}

.footer-col h5 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text2); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.83rem; color: var(--text3); transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text3);
}
.footer-sub { font-style: italic; }

/* ── ANIMATIONS ── */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(99,102,241,0.2); }
  50% { box-shadow: 0 0 60px rgba(99,102,241,0.4); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-stack { display: none; }
  .hb-grid { grid-template-columns: 1fr; }
  .hb-diagram { margin: 0 auto 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .inv-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: rgba(6,8,18,0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px 32px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-links.open + .nav-cta { display: none; }

  .hero { padding: 100px 24px 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hb-diagram { width: 280px; height: 280px; }
  .hb-subsystems { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .inv-grid { grid-template-columns: repeat(2, 1fr); }
  .rm-timeline { padding-left: 20px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 2.2rem; }
  .inv-grid { grid-template-columns: 1fr 1fr; }
  .perf-bar-card { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pb-label { min-width: unset; }
  .pb-value { min-width: unset; }
}