@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --card: #1a1a26;
  --border: rgba(255,255,255,0.06);
  --text: #f0f0ff;
  --muted: rgba(240,240,255,0.45);
  --accent1: #7b5ea7;
  --accent2: #4fc3f7;
  --accent3: #f06292;
  --accent4: #66bb6a;
  --grad1: linear-gradient(135deg, #7b5ea7 0%, #4fc3f7 100%);
  --grad2: linear-gradient(135deg, #f06292 0%, #ffb74d 100%);
  --grad3: linear-gradient(135deg, #66bb6a 0%, #4fc3f7 100%);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── NAV ──────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  height: 60px;
  background: rgba(10,10,15,0.72);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-size: 15px; font-weight: 700; letter-spacing: -0.3px;
  background: var(--grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 500; color: var(--muted);
  text-decoration: none; transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

/* ─── SECTION BASE ─────────────────────────── */
section {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 5vw;
  text-align: center;
}

/* ─── HERO ─────────────────────────────────── */
#hero {
  position: relative; overflow: hidden;
  flex-direction: column; gap: 32px;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(120px); opacity: 0.18;
  animation: float 8s ease-in-out infinite;
}
.orb1 { width: 600px; height: 600px; background: var(--accent1); top: -150px; left: -100px; animation-delay: 0s; }
.orb2 { width: 500px; height: 500px; background: var(--accent2); bottom: -100px; right: -50px; animation-delay: 3s; }
.orb3 { width: 300px; height: 300px; background: var(--accent3); top: 40%; left: 40%; animation-delay: 5s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(123,94,167,0.18); border: 1px solid rgba(123,94,167,0.35);
  border-radius: 100px; padding: 6px 16px;
  font-size: 12px; font-weight: 600; color: #c3a7e8; letter-spacing: 0.8px;
  text-transform: uppercase;
}
.hero-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent1); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-title {
  font-size: clamp(48px, 9vw, 120px);
  font-weight: 900;
  letter-spacing: -3px;
  line-height: 0.95;
  position: relative;
}
.hero-title .line1 { display: block; color: var(--text); }
.hero-title .line2 {
  display: block;
  background: var(--grad1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-title .line3 {
  display: block;
  background: var(--grad2);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--muted); font-weight: 400;
  max-width: 560px; line-height: 1.7;
}

.hero-cta {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.btn-primary {
  padding: 14px 32px; border-radius: 100px;
  background: var(--grad1); color: white;
  font-size: 15px; font-weight: 600; border: none; cursor: pointer;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 8px 32px rgba(123,94,167,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(123,94,167,0.5); }
.btn-ghost {
  padding: 14px 32px; border-radius: 100px;
  background: transparent; color: var(--text);
  font-size: 15px; font-weight: 600;
  border: 1px solid var(--border); cursor: pointer;
  text-decoration: none;
  transition: border-color .2s, background .2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); }

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--muted); font-size: 11px; letter-spacing: 1px;
}
.scroll-arrow {
  width: 20px; height: 30px; border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 10px; position: relative;
}
.scroll-arrow::after {
  content: ''; position: absolute;
  width: 4px; height: 4px; background: white; border-radius: 50%;
  left: 50%; top: 6px; transform: translateX(-50%);
  animation: scrollDot 1.5s ease infinite;
}
@keyframes scrollDot { 0%{top:6px;opacity:1} 80%{top:16px;opacity:0} 100%{top:6px;opacity:0} }

/* ─── MISSION ──────────────────────────────── */
#mission { background: var(--surface); flex-direction: column; gap: 64px; }
.section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent2);
}
.mission-headline {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800; letter-spacing: -1.5px; line-height: 1.1;
  max-width: 800px;
}
.mission-headline em {
  font-style: normal;
  background: var(--grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.mission-body { color: var(--muted); font-size: 18px; max-width: 600px; line-height: 1.8; }


/* ─── FEATURES ─────────────────────────────── */
#features { background: var(--surface); flex-direction: column; gap: 80px; }
.features-headline {
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 800; letter-spacing: -1.5px; max-width: 700px;
}
.features-headline span {
  background: var(--grad2); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px; width: 100%; max-width: 1100px;
  border: 1px solid var(--border); border-radius: 24px; overflow: hidden;
}
.feature-item {
  padding: 40px 32px; background: var(--card);
  transition: background .3s;
  text-align: left;
}
.feature-item:hover { background: #1e1e2e; }
.feature-icon { font-size: 28px; margin-bottom: 16px; }
.feature-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ─── SHOWCASE ─────────────────────────────── */
#showcase { flex-direction: column; gap: 80px; }
.showcase-headline {
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 800; letter-spacing: -1.5px;
}
.showcase-headline em {
  font-style: normal;
  background: var(--grad3); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.showcase-visual {
  width: 100%; max-width: 900px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 60px 40px;
  position: relative; overflow: hidden;
}
.showcase-visual::before {
  content: ''; position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(79,195,247,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.showcase-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center;
}
.showcase-text { text-align: left; }
.showcase-text h3 { font-size: 28px; font-weight: 700; letter-spacing: -0.8px; margin-bottom: 16px; }
.showcase-text p { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 28px; }
.showcase-img-placeholder {
  background: linear-gradient(135deg, rgba(123,94,167,0.2) 0%, rgba(79,195,247,0.15) 100%);
  border-radius: 20px; height: 280px;
  display: flex; align-items: center; justify-content: center;
  font-size: 80px;
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.showcase-img-placeholder::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.03));
}
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  padding: 6px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* ─── CTA ──────────────────────────────────── */
#cta {
  background: var(--surface);
  flex-direction: column; gap: 40px;
  position: relative; overflow: hidden;
}
#cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(123,94,167,0.12) 0%, transparent 70%);
}
.cta-headline {
  font-size: clamp(36px, 6vw, 80px);
  font-weight: 900; letter-spacing: -2px; line-height: 1.05;
  max-width: 700px; position: relative;
}
.cta-headline .grad {
  background: var(--grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.cta-sub { font-size: 18px; color: var(--muted); max-width: 480px; position: relative; }
.cta-buttons { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; position: relative; }

/* ─── FOOTER ───────────────────────────────── */
footer {
  padding: 60px 5vw 40px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end; gap: 40px;
}
.footer-brand .logo {
  font-size: 20px; font-weight: 800; letter-spacing: -0.5px;
  background: var(--grad1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.footer-brand p { font-size: 13px; color: var(--muted); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--muted); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--muted);
}

/* ─── REVEAL ANIMATION ─────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── RESPONSIVE ───────────────────────────── */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .showcase-inner { grid-template-columns: 1fr; }
  .showcase-img-placeholder { height: 180px; }
  .mission-stats { gap: 40px; }
  footer { grid-template-columns: 1fr; }
}
