:root {
  --bg: #faf9f7;
  --bg-alt: #f0eeea;
  --fg: #1a1814;
  --fg-muted: #6b6560;
  --accent: #3b6b8a;
  --accent-light: #e8f0f5;
  --accent-dark: #2a4f68;
  --warm: #c4956a;
  --warm-light: #faf0e6;
  --border: #e2dfd9;
  --radius: 12px;
  --radius-lg: 20px;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-display: 'Syne', 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  border-radius: 8px;
  position: relative;
}

.logo-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border: 2.5px solid white;
  border-radius: 50%;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.logo-mark.small {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.logo-mark.small::after {
  width: 10px;
  height: 10px;
  border-width: 2px;
}

/* HERO */
.hero {
  position: relative;
  padding: 160px 32px 100px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-dark);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-gradient {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(59, 107, 138, 0.08) 0%, rgba(196, 149, 106, 0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* PROBLEM */
.problem {
  padding: 100px 32px;
  background: var(--bg-alt);
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--warm);
  margin-bottom: 20px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* HOW IT WORKS */
.how {
  padding: 100px 32px;
}

.how-inner {
  max-width: 700px;
  margin: 0 auto;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
}

.step-content {
  padding-top: 4px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

.step-line {
  width: 2px;
  height: 32px;
  background: var(--border);
  margin-left: 23px;
}

/* SAFETY */
.safety {
  padding: 100px 32px;
  background: var(--fg);
  color: var(--bg);
}

.safety-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.safety .section-label {
  color: var(--warm);
}

.safety-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  color: rgba(250, 249, 247, 0.9);
}

.safety-headline em {
  font-style: normal;
  color: var(--warm);
}

.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.safety-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.safety-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  background: var(--warm);
  border-radius: 50%;
  margin-top: 8px;
}

.safety-item strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: rgba(250, 249, 247, 0.95);
}

.safety-item p {
  color: rgba(250, 249, 247, 0.6);
  font-size: 14px;
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 120px 32px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--warm-light) 100%);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing h2 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* FOOTER */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 14px;
}

.footer-copy {
  color: var(--fg-muted);
  font-size: 13px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    padding: 130px 20px 80px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .problem,
  .how,
  .safety,
  .closing {
    padding: 72px 20px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .problem-card {
    padding: 28px 24px;
  }

  .safety-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .nav-inner {
    padding: 14px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 40px;
  }

  .safety-headline {
    font-size: 24px;
  }

  .step {
    gap: 16px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .step-line {
    margin-left: 19px;
  }
}