/* ===== FONTS ===== */
:root {
  --black: #080b12;
  --surface: #111827;
  --surface-2: #1a2332;
  --cyan: #00d4ff;
  --cyan-dim: rgba(0, 212, 255, 0.4);
  --purple: #7b61ff;
  --orange: #f97316;
  --green: #10b981;
  --white: #f1f5f9;
  --white-dim: rgba(241, 245, 249, 0.5);
  --muted: #64748b;
  --border: rgba(255,255,255,0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--cyan); color: var(--black); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }


/* ===== LAYOUT ===== */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 3.5rem;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 11, 18, 0.8);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
  padding-bottom: 5rem;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 50%, rgba(0,212,255,0.04) 0%, transparent 60%),
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
}
.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.headline-accent {
  color: var(--cyan);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ===== CUBE VISUAL ===== */
.cube-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 800px;
  perspective-origin: center;
  position: relative;
}
.cube-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 70%);
  animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.6; }
}
.cube-3d {
  width: 180px;
  height: 180px;
  position: relative;
  transform-style: preserve-3d;
  animation: cube-rotate 8s ease-in-out infinite;
}
@keyframes cube-rotate {
  0% { transform: rotateX(-20deg) rotateY(-30deg); }
  25% { transform: rotateX(10deg) rotateY(60deg); }
  50% { transform: rotateX(30deg) rotateY(120deg); }
  75% { transform: rotateX(-10deg) rotateY(200deg); }
  100% { transform: rotateX(-20deg) rotateY(-30deg); }
}
.cube-face {
  position: absolute;
  width: 180px;
  height: 180px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 4px;
  padding: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  backface-visibility: hidden;
}
.cube-face-front { transform: translateZ(90px); }
.cube-face-top {
  transform: rotateX(90deg) translateZ(90px);
  background: rgba(249,115,22,0.06);
  border-color: rgba(249,115,22,0.15);
}
.cube-face-right {
  transform: rotateY(90deg) translateZ(90px);
  background: rgba(123,97,255,0.06);
  border-color: rgba(123,97,255,0.15);
}
.face-cell {
  border-radius: 3px;
  background: var(--c, #111827);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

/* ===== HOW IT WORKS ===== */
.howitworks {
  padding: 7rem 0;
  border-top: 1px solid var(--border);
}
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}
.step-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
}
.step-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.step-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}
.step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 5rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 7rem 0;
  background: var(--surface);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--black);
  padding: 2rem;
  display: flex;
  gap: 1rem;
  flex-direction: column;
}
.feature-wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(0,212,255,0.03) 0%, var(--black) 100%);
}
.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(0,212,255,0.08);
  color: var(--cyan);
}
.feature-text h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.4rem;
}
.feature-text p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== DIFFERENTIATORS ===== */
.differentiators {
  padding: 7rem 0;
  border-top: 1px solid var(--border);
}
.diff-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}
.diff-item {}
.diff-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.diff-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.diff-label-right { margin-left: auto; }
.diff-vs {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan-dim);
}
.diff-bar-wrap { display: flex; flex-direction: column; gap: 0.5rem; }
.diff-bar {
  position: relative;
  height: 28px;
  border-radius: 4px;
  overflow: hidden;
}
.diff-bar-old { background: rgba(255,255,255,0.04); }
.diff-bar-new { background: rgba(0,212,255,0.08); }
.diff-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--w, 80%);
  border-radius: 4px;
}
.diff-bar-old .diff-bar-fill { background: rgba(255,255,255,0.06); }
.diff-bar-new .diff-bar-fill { background: linear-gradient(90deg, rgba(0,212,255,0.3), rgba(0,212,255,0.1)); }
.diff-bar-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}
.diff-quote {
  padding: 2rem;
  border-left: 2px solid var(--cyan);
  background: rgba(0,212,255,0.04);
  border-radius: 0 8px 8px 0;
}
.quote-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 0;
  border-top: 1px solid var(--border);
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.closing-accent { color: var(--orange); }
.closing-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 600px;
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .hero-headline { font-size: 2.5rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-wide { flex-direction: column; }
  .diff-bar-label { font-size: 0.65rem; }
  .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
}
@media (max-width: 480px) {
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .stat-divider { display: none; }
  .section-inner { padding: 0 1.25rem; }
  .site-header { padding: 1rem 1.25rem; }
}