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

:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8b8b9e;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-soft: #fb923c;
  --green: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 6rem;
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
  max-width: 800px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

/* ─── SECTION COMMON ─── */
.section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

/* ─── HOW IT WORKS ─── */
.pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.pipeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.pipeline-step:hover {
  border-color: rgba(249, 115, 22, 0.25);
  transform: translateY(-4px);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: rgba(249, 115, 22, 0.12);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.pipeline-step h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.pipeline-step p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── COMPARISON ─── */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

.compare-card {
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
}

.compare-card.old {
  background: var(--bg-card);
}

.compare-card.new {
  background: linear-gradient(135deg, rgba(249,115,22,0.06), rgba(249,115,22,0.02));
  border-color: rgba(249, 115, 22, 0.2);
}

.compare-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--fg-muted);
}

.compare-card.new h3 {
  color: var(--accent);
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.compare-list li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 1.75rem;
  position: relative;
  line-height: 1.5;
}

.compare-list li::before {
  position: absolute;
  left: 0;
  font-size: 0.85rem;
}

.compare-card.old .compare-list li::before {
  content: '\2715';
  color: #ef4444;
}

.compare-card.new .compare-list li::before {
  content: '\2713';
  color: var(--green);
}

/* ─── CLOSING ─── */
.closing {
  text-align: center;
  padding: 8rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing p {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ─── FOOTER ─── */
footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.8rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

/* ─── GLOW ORBS ─── */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
}

.glow-orb.orange {
  width: 500px;
  height: 500px;
  background: rgba(249, 115, 22, 0.08);
  top: 10%;
  right: -10%;
}

.glow-orb.blue {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.05);
  bottom: 20%;
  left: -5%;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .hero { padding: 7rem 1.25rem 4rem; }
  .section { padding: 4rem 1.25rem; }
  .hero-stats { gap: 2rem; }
  .compare { grid-template-columns: 1fr; }
  .closing { padding: 5rem 1.25rem; }
  .pipeline { grid-template-columns: 1fr; }
}