:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111119;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --fg-primary: #f0f0f5;
  --fg-secondary: #9494a8;
  --fg-muted: #5e5e72;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-glow-strong: rgba(0, 212, 255, 0.3);
  --border: #1e1e2a;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  padding: 120px 24px 100px;
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  color: var(--fg-primary);
  max-width: 800px;
  margin-bottom: 24px;
}

.hero-highlight {
  color: var(--accent);
  position: relative;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  opacity: 0.4;
  border-radius: 2px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 620px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 700px;
}

.hero-stat {
  border-left: 2px solid var(--accent-dim);
  padding-left: 20px;
}

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg-primary);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* ========== PROBLEM ========== */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.problem-container {
  max-width: 1100px;
  margin: 0 auto;
}

.problem-label,
.features-label,
.proof-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.features h2,
.proof h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--fg-primary);
  max-width: 650px;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: background 0.2s, border-color 0.2s;
}

.problem-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.15);
}

.problem-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.1rem;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ========== FEATURES ========== */
.features {
  padding: 100px 24px;
}

.features-container {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.2s;
}

.feature-block:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-dim);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.feature-block h3 {
  font-size: 1.2rem;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

.feature-block p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ========== PROOF ========== */
.proof {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.proof-container {
  max-width: 1100px;
  margin: 0 auto;
}

.proof-verticals {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.vertical-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 100px;
  transition: color 0.2s, border-color 0.2s;
}

.vertical-tag:hover {
  color: var(--accent);
  border-color: rgba(0, 212, 255, 0.3);
}

.proof-quote {
  max-width: 700px;
  border-left: 3px solid var(--accent-dim);
  padding: 24px 32px;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.proof-quote p {
  font-size: 1rem;
  color: var(--fg-secondary);
  font-style: italic;
  line-height: 1.7;
}

/* ========== CLOSING ========== */
.closing {
  position: relative;
  padding: 120px 24px;
  text-align: center;
  overflow: hidden;
}

.closing-container {
  position: relative;
  z-index: 1;
  max-width: 750px;
  margin: 0 auto;
}

.closing-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.closing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--fg-primary);
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.closing-location {
  font-size: 0.88rem;
  color: var(--fg-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.footer-location {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 64px; }
  .hero-stat-row { grid-template-columns: 1fr; gap: 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .problem, .features, .proof { padding: 64px 20px; }
  .closing { padding: 80px 20px; }
  .proof-verticals { gap: 8px; }
  .vertical-tag { font-size: 0.82rem; padding: 8px 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .problem h2, .features h2, .proof h2, .closing h2 { font-size: 1.4rem; }
  .stat-number { font-size: 1.4rem; }
  .problem-card, .feature-block { padding: 24px 20px; }
}

/* ========== CTA BUTTON ========== */
.hero-cta {
  position: relative;
  z-index: 1;
  margin-top: 40px;
}

.cta-button {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px var(--accent-glow-strong);
}

.cta-button:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 0 32px var(--accent-glow-strong);
}

.cta-button:active {
  transform: translateY(0);
}

/* ========== SUCCESS PAGE ========== */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
}

.success-page h1 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.success-page p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  max-width: 500px;
  margin-bottom: 24px;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  font-size: 2rem;
}