/* ========================================
   LAUNCHPAD — Brand CSS
   ======================================== */

:root {
  --bg: #0A0A0F;
  --bg-2: #111118;
  --bg-3: #18181F;
  --fg: #EDEDED;
  --fg-muted: #888898;
  --accent: #FF5722;
  --accent-dim: rgba(255, 87, 34, 0.12);
  --accent-glow: rgba(255, 87, 34, 0.25);
  --border: rgba(255, 255, 255, 0.07);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ── HEADER ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-tag {
  font-size: 0.78rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 2rem 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 87, 34, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 87, 34, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 2rem;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent); }
  50% { opacity: 0.5; box-shadow: 0 0 16px var(--accent); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.4rem;
}

.hero-headline em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0 2rem;
}

.hero-stat:first-child { padding-left: 0; }

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--fg-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ── LAUNCH DIAGRAM ── */
.launch-diagram {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  padding: 2rem;
}

.diagram-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.diagram-track {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.track-glow {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255,87,34,0.2));
  border-radius: 1px;
  z-index: 0;
}

.track-node {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.node-a { background: var(--accent); color: #0A0A0F; }
.node-b { background: var(--bg-3); border: 1px solid var(--border); color: var(--fg); }
.node-c { background: transparent; border: 2px solid var(--accent); color: var(--accent); }

.node-label { line-height: 1.2; }

.track-arrow {
  color: var(--fg-muted);
  flex-shrink: 0;
  z-index: 1;
}

.diagram-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-align: center;
  font-style: italic;
}

/* ── PROOF ── */
.proof-section {
  padding: 0 2rem 6rem;
}

.proof-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.proof-statement {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 400;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 2rem;
  font-style: italic;
}

.proof-attr {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.proof-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #0A0A0F;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proof-meta {
  text-align: left;
}

.proof-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--fg);
}

.proof-title {
  display: block;
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 0.15rem;
}

/* ── SECTION LABELS ── */
.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  display: block;
  margin-bottom: 0.8rem;
}

/* ── MANIFESTO ── */
.manifesto {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.manifesto-header {
  margin-bottom: 4rem;
}

.manifesto-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  max-width: 600px;
}

.manifesto-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.manifesto-item {
  display: flex;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding-right: 3rem;
}

.manifesto-item:nth-child(even) {
  border-right: none;
  padding-right: 0;
  padding-left: 3rem;
}

.manifesto-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.item-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
  flex-shrink: 0;
}

.item-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── MODELS ── */
.models-section {
  padding: 6rem 2rem;
  background: var(--bg-2);
}

.models-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.models-header {
  margin-bottom: 4rem;
}

.models-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
}

.models-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
}

.model-card {
  background: var(--bg-2);
  padding: 2rem 2rem 2rem 2rem;
  display: flex;
  gap: 1.2rem;
  transition: background 0.2s ease;
}

.model-card:hover {
  background: var(--bg-3);
}

.model-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.model-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.model-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.model-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  color: var(--fg-muted);
  background: var(--bg);
}

/* ── CLOSING ── */
.closing-section {
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.closing-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.closing-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto 3rem;
  position: relative;
  z-index: 1;
}

.closing-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg-muted);
}

.cta-accent {
  color: var(--accent);
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 2rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-style: italic;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

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

.footer-link {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-headline { font-size: 2.4rem; }

  .manifesto-items {
    grid-template-columns: 1fr;
  }

  .manifesto-item {
    border-right: none;
    padding-right: 0;
  }

  .manifesto-item:nth-child(even) {
    padding-left: 0;
  }

  .models-grid {
    grid-template-columns: 1fr;
  }

  .hero-stat-row {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero-stat-divider { display: none; }
  .hero-stat { padding: 0; }

  .footer-top {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .closing-cta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .diagram-track {
    flex-wrap: wrap;
    justify-content: center;
  }

  .track-arrow {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero { padding: 100px 1.25rem 60px; }
  .manifesto, .models-section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .closing-section { padding: 5rem 1.25rem; }
  .site-footer { padding: 2rem 1.25rem; }
}