/* ── Reset & Tokens ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080c14;
  --surface: #0e1420;
  --surface2: #141b2d;
  --border: rgba(99,102,241,.18);
  --primary: #6366f1;
  --primary-glow: rgba(99,102,241,.35);
  --purple: #a855f7;
  --cyan: #06b6d4;
  --green: #22c55e;
  --orange: #f97316;
  --red: #ef4444;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --subtle: #334155;
  --radius: 20px;
  --radius-sm: 12px;
  --font: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Animated Orbs ── */
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .22; animation: orb-drift 20s ease-in-out infinite alternate; }
.orb-1 { width: 700px; height: 700px; background: radial-gradient(circle, #6366f1, transparent); top: -250px; left: -250px; animation-duration: 18s; }
.orb-2 { width: 600px; height: 600px; background: radial-gradient(circle, #a855f7, transparent); bottom: -150px; right: -150px; animation-duration: 22s; animation-delay: -8s; }
.orb-3 { width: 500px; height: 500px; background: radial-gradient(circle, #06b6d4, transparent); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-duration: 25s; animation-delay: -4s; }
@keyframes orb-drift { from { transform: translate(0,0) scale(1); } to { transform: translate(40px,30px) scale(1.1); } }
.orb-3 { animation-name: orb3-drift; }
@keyframes orb3-drift { from { transform: translate(-50%,-50%) scale(1); } to { transform: translate(calc(-50% + 30px), calc(-50% + 20px)) scale(1.08); } }

/* ── Header ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(8,12,20,.75);
  border-bottom: 1px solid var(--border);
  padding: .9rem 0;
}
.header-inner { display: flex; align-items: center; gap: 2rem; }
.logo { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.logo-icon svg { width: 36px; height: 36px; }
.logo-text { display: flex; align-items: center; gap: .4rem; }
.logo-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.02em; color: var(--text); }
.logo-badge { background: linear-gradient(135deg, var(--primary), var(--purple)); font-size: .65rem; font-weight: 700; padding: .15rem .45rem; border-radius: 6px; letter-spacing: .05em; color: #fff; }
.header-nav { display: flex; gap: 1.8rem; margin-left: auto; }
.header-nav a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 500; transition: color .2s; }
.header-nav a:hover { color: var(--text); }
.status-pill { display: flex; align-items: center; gap: .5rem; background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.2); border-radius: 20px; padding: .35rem .8rem; font-size: .78rem; color: var(--green); white-space: nowrap; }
.status-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

/* ── Sections above orbs ── */
.hero, .modules-section, .tech-section, .about-section, .footer { position: relative; z-index: 1; }

/* ── Hero ── */
.hero { padding: 9rem 0 5rem; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(99,102,241,.1); border: 1px solid rgba(99,102,241,.25); border-radius: 20px; padding: .4rem 1rem; font-size: .8rem; color: #a5b4fc; margin-bottom: 1.5rem; }
.badge-dot { width: 6px; height: 6px; background: #818cf8; border-radius: 50%; }
.hero-title { font-family: var(--font-display); font-size: clamp(2.8rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; margin-bottom: 1.2rem; }
.gradient-text { background: linear-gradient(135deg, #818cf8, #c084fc, #67e8f9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.15rem; color: var(--muted); max-width: 680px; margin: 0 auto 2.5rem; line-height: 1.75; }
.hero-subtitle strong { color: #c4b5fd; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-value { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* ── Animations ── */
.animate-fade-up { opacity: 0; transform: translateY(24px); animation: fade-up .7s ease forwards; }
.animate-fade-up:nth-child(2) { animation-delay: .1s; }
.animate-fade-up:nth-child(3) { animation-delay: .2s; }
.animate-fade-up:nth-child(4) { animation-delay: .3s; }
@keyframes fade-up { to { opacity: 1; transform: translateY(0); } }

/* ── Section Header ── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 700; letter-spacing: -.02em; margin-bottom: .6rem; }
.section-subtitle { color: var(--muted); font-size: 1rem; }

/* ── Module Cards Section ── */
.modules-section { padding: 3rem 0 6rem; }
.modules-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
@media (max-width: 860px) { .modules-grid { grid-template-columns: 1fr; } }

/* ── Module Card ── */
.module-card {
  position: relative; overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1.5rem;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.module-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(99,102,241,.15); }
.brain-card:hover { border-color: rgba(99,102,241,.5); }
.epi-card:hover { border-color: rgba(168,85,247,.4); }

.module-card-glow {
  position: absolute; top: 0; right: 0;
  width: 300px; height: 300px;
  border-radius: 50%; opacity: 0;
  filter: blur(80px); pointer-events: none;
  transition: opacity .4s;
}
.module-card:hover .module-card-glow { opacity: .18; }
.brain-card .module-card-glow { background: radial-gradient(circle, #6366f1, transparent); }
.epi-card .module-card-glow { background: radial-gradient(circle, #a855f7, transparent); }
.epi-glow { background: radial-gradient(circle, #a855f7, transparent) !important; }

/* Module Icon */
.module-icon-wrap {
  width: 72px; height: 72px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brain-icon-wrap { background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(168,85,247,.1)); border: 1px solid rgba(99,102,241,.2); }
.epi-icon-wrap   { background: linear-gradient(135deg, rgba(168,85,247,.15), rgba(6,182,212,.1)); border: 1px solid rgba(168,85,247,.2); }
.module-icon-wrap svg { width: 40px; height: 40px; }

/* Module Content */
.module-tag {
  display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; padding: .25rem .75rem; border-radius: 20px;
  margin-bottom: .5rem;
}
.brain-tag { background: rgba(99,102,241,.12); color: #a5b4fc; border: 1px solid rgba(99,102,241,.25); }
.epi-tag   { background: rgba(168,85,247,.12); color: #d8b4fe; border: 1px solid rgba(168,85,247,.25); }

.module-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: .6rem; }
.module-desc { font-size: .9rem; color: var(--muted); line-height: 1.7; }
.module-desc strong { color: #e2e8f0; }

/* Features */
.module-features { display: flex; flex-direction: column; gap: .55rem; }
.feature-item { display: flex; align-items: center; gap: .65rem; font-size: .85rem; color: var(--muted); }
.feature-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.brain-dot { background: linear-gradient(135deg, var(--primary), var(--purple)); }
.epi-dot   { background: linear-gradient(135deg, var(--purple), var(--cyan)); }

/* Tech Badges */
.module-badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.tech-badge {
  font-size: .72rem; font-weight: 500; padding: .25rem .65rem;
  border-radius: 8px; background: var(--surface2);
  border: 1px solid var(--border); color: var(--muted);
}
.tech-badge.epi-badge { border-color: rgba(168,85,247,.2); color: #c4b5fd; background: rgba(168,85,247,.07); }

/* Launch Button */
.module-launch-btn {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .9rem 1.5rem; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 1rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s, opacity .2s;
  margin-top: auto;
}
.module-launch-btn svg { width: 18px; height: 18px; transition: transform .2s; }
.module-launch-btn:hover svg { transform: translateX(4px); }
.brain-btn {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff; box-shadow: 0 0 24px rgba(99,102,241,.35);
}
.brain-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(99,102,241,.5); }
.epi-btn {
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff; box-shadow: 0 0 24px rgba(168,85,247,.3);
}
.epi-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(168,85,247,.45); }

/* ── Technology Section ── */
.tech-section { padding: 5rem 0; background: linear-gradient(180deg, transparent, rgba(14,20,40,.6), transparent); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .tech-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tech-grid { grid-template-columns: 1fr; } }

.tech-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.25rem;
  transition: border-color .2s, transform .2s;
}
.tech-card:hover { border-color: rgba(99,102,241,.35); transform: translateY(-3px); }
.tech-icon-wrap { font-size: 1.5rem; flex-shrink: 0; }
.tech-name { font-size: .9rem; font-weight: 600; margin-bottom: .25rem; }
.tech-desc { font-size: .8rem; color: var(--muted); line-height: 1.5; }

/* ── About Section ── */
.about-section { padding: 5rem 0; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
@media (max-width: 820px) { .about-inner { grid-template-columns: 1fr; gap: 2.5rem; } }
.about-desc { font-size: .95rem; color: var(--muted); line-height: 1.75; margin-bottom: 1rem; }
.about-desc strong { color: #e2e8f0; }
.about-disclaimer { background: rgba(245,158,11,.06); border: 1px solid rgba(245,158,11,.15); border-radius: var(--radius-sm); padding: .85rem 1rem; color: #fbbf24; font-size: .85rem; margin-top: .5rem; }
.about-disclaimer strong { color: #f59e0b; }

.about-steps { display: flex; flex-direction: column; gap: 1.5rem; }
.about-step { display: flex; align-items: flex-start; gap: 1rem; }
.step-num-badge {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; width: 36px; flex-shrink: 0; padding-top: .15rem;
}
.step-title { font-weight: 600; font-size: .95rem; margin-bottom: .25rem; }
.step-desc { font-size: .85rem; color: var(--muted); line-height: 1.6; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: .75rem; }
.footer-logo { display: flex; align-items: center; gap: .4rem; }
.footer-disclaimer { font-size: .82rem; color: var(--muted); max-width: 520px; line-height: 1.5; }
.footer-disclaimer strong { color: #fbbf24; }
.footer-copy { font-size: .78rem; color: var(--subtle); }