/* ═══════════════════════════════════════════
   Atlas IA — Premium dark celestial theme
   ═══════════════════════════════════════════ */

:root {
  --bg: #060a14;
  --bg-elevated: #0c1222;
  --bg-card: #0f1629;
  --bg-glass: rgba(15, 22, 41, 0.6);
  --fg: #e8ecf4;
  --fg-muted: #8892ab;
  --fg-dim: #4a5568;
  --accent: #c9a84c;
  --accent-hover: #dfc06e;
  --accent-glow: rgba(201, 168, 76, 0.15);
  --accent-glow-strong: rgba(201, 168, 76, 0.3);
  --accent-soft: #e8d9a0;
  --success: #22c55e;
  --info: #3b82f6;
  --purple: #a78bfa;
  --border: rgba(136, 146, 171, 0.1);
  --border-hover: rgba(201, 168, 76, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f8f6f1;
    --bg-elevated: #efede6;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --fg: #1a1d27;
    --fg-muted: #5c6378;
    --fg-dim: #9098ad;
    --accent: #a07d2e;
    --accent-hover: #b8922f;
    --accent-glow: rgba(160, 125, 46, 0.1);
    --accent-glow-strong: rgba(160, 125, 46, 0.2);
    --accent-soft: #c9a84c;
    --border: rgba(0, 0, 0, 0.07);
    --border-hover: rgba(160, 125, 46, 0.3);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f8f6f1;
  --bg-elevated: #efede6;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.7);
  --fg: #1a1d27;
  --fg-muted: #5c6378;
  --fg-dim: #9098ad;
  --accent: #a07d2e;
  --accent-hover: #b8922f;
  --accent-glow: rgba(160, 125, 46, 0.1);
  --accent-glow-strong: rgba(160, 125, 46, 0.2);
  --accent-soft: #c9a84c;
  --border: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(160, 125, 46, 0.3);
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ═══ PARTICULES CANVAS ═══ */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ═══ ANIMATIONS ═══ */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: var(--delay, 0s);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow), 0 0 60px var(--accent-glow); }
  50% { box-shadow: 0 0 30px var(--accent-glow-strong), 0 0 80px var(--accent-glow); }
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

@keyframes typing {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* ═══ NAV ═══ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  padding-block: 0.8rem;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--fg);
}

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  display: grid;
  place-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-brand:hover .nav-logo {
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 0 0 20px var(--accent-glow-strong);
}

.nav-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-name span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--fg);
  background: var(--accent-glow);
}

.nav-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #0a0e1a;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  margin-left: 0.3rem;
  vertical-align: middle;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-mobile span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-mobile.active span:nth-child(2) { opacity: 0; }
.nav-mobile.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  z-index: 99;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.mobile-menu a:hover {
  background: var(--accent-glow);
  color: var(--fg);
}

/* ═══ HERO ═══ */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, var(--accent-glow-strong) 0%, transparent 70%);
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  padding: 0.4rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-soft);
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

.dot-live, .dot-live-sm {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: dotPulse 2s ease-in-out infinite;
  position: relative;
}

.dot-live::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.3);
  animation: dotPulse 2s ease-in-out infinite 0.3s;
}

.dot-live-sm {
  width: 6px;
  height: 6px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
  margin: 0 0 1.5rem;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  text-wrap: balance;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ═══ BUTTONS ═══ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #0a0e1a;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow-strong);
}

.btn-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

/* ═══ SECTIONS ═══ */
.section {
  padding-block: 5rem;
  position: relative;
  z-index: 1;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem;
  text-wrap: balance;
}

.section-desc {
  color: var(--fg-muted);
  font-size: 1.02rem;
  max-width: 520px;
  margin: 0 0 3rem;
  line-height: 1.65;
}

/* ═══ CAPABILITY CARDS ═══ */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.25rem;
}

.capability-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.capability-card:hover {
  border-color: color-mix(in srgb, var(--card-color, var(--accent)) 35%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15), 0 0 30px color-mix(in srgb, var(--card-color, var(--accent)) 10%, transparent);
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-color, var(--accent)), transparent);
  opacity: 0.7;
}

.capability-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, color-mix(in srgb, var(--card-color, var(--accent)) 5%, transparent) 0%, transparent 70%);
  pointer-events: none;
}

.capability-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--card-color, var(--accent)) 12%, transparent);
  display: grid;
  place-items: center;
  margin-bottom: 1.15rem;
  font-size: 1.4rem;
  position: relative;
  z-index: 1;
}

.capability-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  position: relative;
  z-index: 1;
}

.capability-card p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.55;
  position: relative;
  z-index: 1;
}

.capability-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  background: color-mix(in srgb, var(--card-color, var(--accent)) 10%, transparent);
  color: var(--card-color, var(--accent));
  margin-top: 1rem;
  position: relative;
  z-index: 1;
}

/* ═══ CHAT DEMO ═══ */
.demo-section {
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 60%);
}

.chat-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 680px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--border);
  transition: box-shadow var(--transition);
}

.chat-window:hover {
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25), 0 0 40px var(--accent-glow);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.chat-avatar-small {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  display: grid;
  place-items: center;
}

.chat-header-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  display: block;
  line-height: 1.2;
}

.chat-header-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--success);
  font-weight: 500;
}

.chat-model-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--accent-glow);
  color: var(--accent);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-weight: 500;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}

.chat-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 320px;
  max-height: 450px;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.chat-body::-webkit-scrollbar { width: 4px; }
.chat-body::-webkit-scrollbar-track { background: transparent; }
.chat-body::-webkit-scrollbar-thumb { background: var(--fg-dim); border-radius: 4px; }

.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1rem;
  gap: 1rem;
}

.chat-welcome-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  display: grid;
  place-items: center;
  animation: float 4s ease-in-out infinite;
}

.chat-welcome-text {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin: 0;
}

.msg {
  display: flex;
  gap: 0.65rem;
  max-width: 85%;
  animation: msgAppear 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes msgAppear {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.msg-ai .msg-avatar {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #0a0e1a;
}

.msg-user .msg-avatar {
  background: var(--bg-elevated);
  color: var(--fg-muted);
  border: 1px solid var(--border);
}

.msg-bubble {
  padding: 0.8rem 1rem;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.msg-ai .msg-bubble {
  background: var(--bg-elevated);
  color: var(--fg);
  border-bottom-left-radius: 4px;
}

.msg-user .msg-bubble {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #0a0e1a;
  border-bottom-right-radius: 4px;
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--fg-dim);
  animation: typing 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.chat-input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.chat-input::placeholder { color: var(--fg-dim); }

.chat-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: transform var(--transition), box-shadow var(--transition);
  color: #0a0e1a;
}

.chat-send:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px var(--accent-glow-strong);
}

.chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ═══ FEATURES ═══ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 10%, transparent);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.55;
}

/* ═══ ATLAS BOT LINK ═══ */
.atlas-link {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.atlas-link:hover {
  border-color: var(--border-hover);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.15);
}

.atlas-link-glow {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.atlas-link-content {
  flex: 1;
  min-width: 260px;
  position: relative;
  z-index: 1;
}

.atlas-link-content .affiliation {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.atlas-link-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
}

.atlas-link-content p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.6;
}

.atlas-link-cta {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ═══ API SECTION ═══ */
.api-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  max-width: 680px;
}

.api-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.api-dots {
  display: flex;
  gap: 6px;
}

.api-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.api-filename {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
}

.api-code {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--fg-muted);
  margin: 0;
  background: transparent;
}

.api-code code { font-family: inherit; }

.api-code .key { color: var(--info); }
.api-code .str { color: var(--accent-soft); }
.api-code .comment { color: var(--fg-dim); font-style: italic; }
.api-code .method { color: var(--accent); }

/* ═══ FOOTER ═══ */
footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.footer-text {
  color: var(--fg-dim);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

/* ═══ MOBILE ═══ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero { padding: 6rem 0 3rem; min-height: auto; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-stats { gap: 1.25rem; }
  .stat-num { font-size: 1.4rem; }
  .atlas-link { padding: 1.5rem; gap: 1.5rem; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .msg { max-width: 92%; }
  .section { padding-block: 3.5rem; }
  .hero-glow { width: 400px; height: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .animate-in { opacity: 1; transform: none; }
}