/* Fonts */
:root {
  --bg: #ffffff;
  --surface: #F7F8FA;
  --surface-alt: #EEF0F4;
  --accent: #FF6B00;
  --text: #111827;
  --text-muted: #6B7280;
  --border: #E5E7EB;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 14px;
  color: var(--text-muted);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.85; }

/* Section base */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-header h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
}
.section-header p {
  font-size: 18px;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 107, 0, 0.08);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero-headline {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-lede {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
  box-shadow: 0 2px 8px rgba(255, 107, 0, 0.25);
}
.btn-primary:hover { opacity: 0.88; }
.hero-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* Hero Visual */
.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* How it works */
.howitworks {
  padding: 96px 0;
  background: var(--surface);
}
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  max-width: 300px;
}
.step-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  flex-shrink: 0;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}
.step-arrow {
  padding: 28px 24px 0;
  flex-shrink: 0;
}

/* Features */
.features {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}
.feature-icon {
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* The Problem */
.theproblem {
  padding: 96px 0;
  background: var(--surface);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}
.problem-stat {
  text-align: center;
}
.problem-number {
  font-size: 72px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}
.problem-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 300px;
  margin: 0 auto;
}
.problem-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
}
.problem-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.problem-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.problem-icon {
  flex-shrink: 0;
  margin-top: 1px;
}
.problem-conclusion {
  text-align: center;
  padding: 36px;
  background: var(--bg);
  border-radius: 14px;
  border: 1px solid var(--border);
}
.problem-conclusion p {
  font-size: 18px;
  color: var(--text);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 auto;
  font-weight: 500;
}

/* Vision */
.vision {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}
.vision-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.vision-content h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}
.vision-content p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.vision-content p:last-child { margin-bottom: 0; }

/* Footer */
.footer {
  padding: 64px 0 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 40px 0;
  border-top: 1px solid var(--border);
}
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-divider { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { gap: 32px; }
}
@media (max-width: 600px) {
  .nav-tagline { display: none; }
  .nav-inner { padding: 14px 20px; }
  .hero-inner { padding: 0 20px; }
  .section-inner { padding: 0 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .problem-number { font-size: 56px; }
  .footer-links { flex-wrap: wrap; }
  .footer-inner { padding: 0 20px; }
  .footer-bottom { padding: 24px 20px 0; }
  .hero { padding: 64px 0 56px; }
  .howitworks, .features, .theproblem, .vision { padding: 64px 0; }
  .section-header { margin-bottom: 48px; }
}