:root {
  --bg-void: #05070a;
  --bg-dark: #0a0f16;
  --bg-panel: rgba(16, 24, 36, 0.72);
  --text-light: #f4f7fb;
  --text-muted: #8b9bb4;
  --accent-cyan: #00d4ff;
  --accent-red: #ff2d55;
  --accent-blue: #2b6fff;
  --gradient-hero: linear-gradient(135deg, rgba(0,212,255,0.18) 0%, rgba(255,45,85,0.12) 50%, rgba(43,111,255,0.08) 100%);
  --radius: 24px;
  --radius-sm: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-light);
  background: var(--bg-void);
  line-height: 1.5;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

/* Navigation */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 56px;
  background: rgba(5,7,10,0.75);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding 0.3s, background 0.3s;
}

nav.scrolled {
  padding: 12px 56px;
  background: rgba(5,7,10,0.92);
}

.logo {
  font-weight: 900;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  color: var(--text-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-red));
  transform: rotate(45deg);
  border-radius: 6px;
  box-shadow: 0 0 24px rgba(0,212,255,0.35);
}

nav ul {
  display: flex;
  gap: 40px;
  list-style: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  transition: color 0.25s;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-cyan);
  transition: width 0.25s;
}

nav a:hover,
nav a.active { color: var(--text-light); }

nav a:hover::after,
nav a.active::after { width: 100%; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 140px 48px 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, transparent 0%, rgba(5,7,10,0.65) 70%),
    linear-gradient(to bottom, rgba(5,7,10,0.2) 0%, rgba(5,7,10,0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #fff 0%, #c8e4ff 50%, #a8bfff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 44px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.button-glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  padding: 18px 38px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.98rem;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(0,212,255,0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}

.button-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(0,212,255,0.5);
}

.button-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid rgba(255,255,255,0.2);
  color: var(--text-light);
  padding: 17px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: border-color 0.25s, background 0.25s;
}

.button-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.08);
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 64px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-light);
  letter-spacing: -0.02em;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

/* Sections */
.section {
  position: relative;
  padding: 140px 56px;
}

.section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.section-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5,7,10,0.88);
}

.section-alt {
  background: var(--bg-dark);
}

.container {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
}

.section-eyebrow {
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 680px;
  line-height: 1.7;
}

/* Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.feature-card {
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 40px 32px;
  backdrop-filter: blur(12px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.feature-card .icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(255,45,85,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.6;
}

/* Split layouts */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin: 100px 0;
}

.split.reverse > *:first-child { order: 2; }
.split.reverse > *:last-child { order: 1; }

.split img {
  border-radius: var(--radius);
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.08);
}

.split h3 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.split p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.checklist {
  list-style: none;
}

.checklist li {
  padding: 10px 0;
  padding-left: 32px;
  position: relative;
  color: var(--text-muted);
  font-size: 1rem;
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 0; top: 13px;
  width: 18px; height: 18px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 50%;
}

.checklist li::after {
  content: '✓';
  position: absolute;
  left: 4px; top: 9px;
  color: #000;
  font-size: 0.75rem;
  font-weight: 900;
}

/* Vertical showcase */
.showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 64px;
}

.showcase-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 16px 50px rgba(0,0,0,0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}

.showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(0,0,0,0.45);
}

.showcase-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.showcase-card:hover img { transform: scale(1.05); }

.showcase-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,7,10,0.95) 0%, rgba(5,7,10,0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.showcase-card .tag {
  display: inline-block;
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--accent-cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.showcase-card h4 {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
}

.showcase-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 8px;
}

/* CTA section */
.cta-section {
  position: relative;
  padding: 120px 56px;
  text-align: center;
  overflow: hidden;
}

.cta-section .container { max-width: 800px; }

.cta-section h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  margin-bottom: 20px;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 36px;
}

/* Footer */
footer {
  padding: 60px 56px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: var(--bg-void);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h5 {
  color: var(--text-light);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 48px auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split.reverse > *:first-child { order: 1; }
  .split.reverse > *:last-child { order: 2; }
  .showcase { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 14px 24px; }
  nav ul { display: none; }
  .section { padding: 100px 24px; }
  .hero { padding: 120px 24px 80px; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .cta-section { padding: 80px 24px; }
  footer { padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Utility */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-12 { margin-top: 48px; }
.gap-2 { gap: 16px; }