:root {
  --bg: #070b18;
  --surface: rgba(255,255,255,.04);
  --surface-2: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.10);
  --text: #eaf0ff;
  --muted: #9fb0d3;
  --accent: #4f8cff;
  --accent-2: #8b5cff;
  --ok: #22d3a0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}
body {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 70% 50% at 85% -5%, rgba(79, 140, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 60% 45% at 15% 105%, rgba(139, 92, 255, 0.18), transparent 60%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
}

#net {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: .5;
  pointer-events: none;
}

.nav, main, .footer { position: relative; z-index: 1; }

.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px clamp(16px, 5vw, 56px);
  background: rgba(7,11,24,.8); backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { color: var(--text); font-weight: 800; font-size: 1.15rem; text-decoration: none; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: clamp(10px, 2.5vw, 26px); }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .9rem; transition: color .15s; }
.nav nav a:hover { color: var(--text); }
.nav .nav-cta { color: #fff; padding: 8px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-weight: 600; }

main {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(16px, 5vw, 40px);
}

/* HERO */
.hero > * { min-width: 0; }
.hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
  padding: clamp(36px, 8vh, 90px) 0 clamp(36px, 6vh, 64px);
}
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); font-size: .8rem; }
.badge i, .tag-live i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(34,211,160,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(34,211,160,0); } 100% { box-shadow: 0 0 0 0 rgba(34,211,160,0); } }

h1 { font-size: clamp(2rem, 5.5vw, 3.8rem); line-height: 1.1; letter-spacing: -.03em; margin: 18px 0; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent-2), #ff7ad9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: clamp(0.98rem, 2vw, 1.15rem); max-width: 600px; }
.lead strong { color: var(--text); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.actions.center { justify-content: center; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 14px; border: 1px solid var(--border); color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; transition: transform .15s, box-shadow .15s, border-color .15s; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; box-shadow: 0 8px 28px rgba(79,140,255,.35); }
.btn.ghost { background: var(--surface); }
.btn.ghost:hover { border-color: var(--accent); }

.stats { display: flex; flex-wrap: wrap; gap: 24px; list-style: none; margin-top: 32px; }
.stats li { display: flex; flex-direction: column; }
.stats b { font-size: 1.35rem; letter-spacing: -.02em; }
.stats span { color: var(--muted); font-size: .8rem; }

/* AVATAR */
.hero-avatar {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 380px;
  width: 100%;
  margin: 0 auto;
  isolation: isolate;
}
.hero-avatar img, .avatar-fallback {
  display: block;
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border: 3px solid rgba(255,255,255,.15);
  box-shadow: 0 20px 60px rgba(79,140,255,.35);
}
.avatar-fallback { place-items: center; font-size: 4rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.ring {
  position: absolute;
  inset: 6%;
  z-index: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), #ff7ad9, var(--accent));
  filter: blur(24px);
  opacity: .55;
  animation: spin 10s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.chip {
  position: absolute;
  z-index: 3;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(12,18,38,.9);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: .78rem;
  font-weight: 600;
  animation: float 5s ease-in-out infinite;
}
.c1 { top: 6%; left: 0; }
.c2 { top: 46%; right: 0; animation-delay: 1.2s; }
.c3 { bottom: 4%; left: 6%; animation-delay: 2.4s; }
@keyframes float { 50% { transform: translateY(-7px); } }

/* SECTIONS */
.section { padding: clamp(40px, 7vw, 64px) 0; }
.kicker { color: var(--accent); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -.02em; line-height: 1.18; margin-bottom: 24px; max-width: 720px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 22px; transition: transform .2s, border-color .2s, background .2s; }
.card:hover { transform: translateY(-4px); border-color: var(--accent); background: var(--surface-2); }
.icon { font-size: 1.6rem; margin-bottom: 10px; }
.card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: .9rem; line-height: 1.55; }

/* PROJECT */
.project {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(20px, 4vw, 36px);
}
.tag-live { display: inline-flex; align-items: center; gap: 8px; color: var(--ok); font-size: .8rem; font-weight: 700; margin-bottom: 10px; }
.project h3 { font-size: 1.4rem; letter-spacing: -.02em; margin-bottom: 12px; }
.project p { color: var(--muted); margin-bottom: 20px; font-size: .95rem; }
.project-demo {
  background: rgba(0,0,0,.35);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}
.bubble { max-width: 85%; padding: 10px 14px; border-radius: 16px; font-size: .83rem; }
.bubble.bot { background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.bubble.user { align-self: flex-end; background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-bottom-right-radius: 4px; }
.score { margin-top: 4px; display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-radius: 12px; background: rgba(34,211,160,.1); border: 1px solid rgba(34,211,160,.35); font-size: .83rem; }
.score b { color: var(--ok); font-size: 1.25rem; }

/* STEPS */
.steps { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); list-style: none; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 20px; }
.steps b { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); margin-bottom: 12px; font-size: .9rem; }
.steps h3 { margin-bottom: 6px; font-size: 1rem; }
.steps p { color: var(--muted); font-size: .88rem; }

/* CTA */
.cta { text-align: center; }
.cta h2 { margin-left: auto; margin-right: auto; }
.cta p { color: var(--muted); margin-top: -12px; font-size: .98rem; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  padding: 28px 16px;
  border-top: 1px solid var(--border);
  margin-top: 0;
}

/* REVEAL */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 28px 0 36px; gap: 32px; }
  .hero-avatar { order: -1; max-width: 270px; }
  .lead { margin: 0 auto; }
  .actions, .stats { justify-content: center; }
  .project { grid-template-columns: 1fr; }
  .nav nav a:not(.nav-cta) { display: none; }
  .section { padding: 36px 0; }
  .footer { padding: 20px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, .ring, .chip { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}