/* GrowthFrame Landing Page */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F7F6F2;
  --surface: #EDEBE5;
  --surface-2: #E4E1D9;
  --fg: #1C3D2E;
  --fg-2: #3A5A47;
  --fg-3: #5A7A65;
  --accent: #C6F12A;
  --accent-dark: #A8D420;
  --accent-text: #1C3D2E;
  --border: #D4D0C7;
  --white: #FFFFFF;
}

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  background: rgba(247, 246, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 208, 199, 0.4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--fg);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 13px;
  border-radius: 8px;
  letter-spacing: -0.03em;
}

.brand-mark-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--fg);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 11px;
  border-radius: 6px;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 80px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(198, 241, 42, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-dark);
  flex-shrink: 0;
}

.hero-headline {
  font-size: clamp(48px, 7vw, 88px);
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 820px;
}

.hero-accent {
  color: var(--accent-dark);
  position: relative;
  display: inline-block;
}

.hero-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(198, 241, 42, 0.25);
  z-index: -1;
  border-radius: 2px;
}

.hero-sub {
  font-size: 20px;
  color: var(--fg-2);
  max-width: 580px;
  line-height: 1.65;
  font-weight: 400;
}

/* === PROOF === */
.proof {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.proof-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
}

.proof-stat {
  flex: 1;
  text-align: center;
  padding: 0 40px;
}

.proof-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

.proof-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.proof-label {
  display: block;
  font-size: 13px;
  color: var(--fg-3);
  font-weight: 400;
  line-height: 1.4;
}

/* === SERVICES === */
.services {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-3);
  margin-bottom: 48px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.service-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s ease;
}

.service-card:hover {
  background: var(--surface);
}

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--fg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 14px;
  color: var(--fg-3);
  line-height: 1.6;
}

/* === HOW === */
.how {
  padding: 100px 40px;
  background: var(--fg);
  color: var(--bg);
}

.how .section-label {
  color: rgba(247, 246, 242, 0.4);
}

.how .section-label {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 64px;
}

.steps {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid rgba(247, 246, 242, 0.1);
  padding-left: 48px;
}

.step {
  display: flex;
  gap: 32px;
  padding-bottom: 64px;
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
}

.step:last-child {
  padding-bottom: 0;
}

.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  margin-top: 4px;
}

.step-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--bg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 15px;
  color: rgba(247, 246, 242, 0.65);
  line-height: 1.7;
  max-width: 560px;
}

/* === NICHES === */
.niches {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.niches-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.niche-item {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.niche-name {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  min-width: 280px;
  flex-shrink: 0;
}

.niche-desc {
  font-size: 15px;
  color: var(--fg-3);
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 100px 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.closing-inner h2 {
  font-size: clamp(36px, 5vw, 60px);
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-inner p {
  font-size: 18px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 48px;
}

.closing-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.4;
}

/* === FOOTER === */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-3);
}

.footer-legal {
  font-size: 12px;
  color: var(--fg-3);
  opacity: 0.6;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .proof { padding: 40px 24px; }
  .proof-grid { flex-direction: column; gap: 24px; }
  .proof-divider { display: none; }
  .proof-stat { padding: 0; }
  .services { padding: 60px 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .how { padding: 60px 24px; }
  .steps { padding-left: 32px; }
  .niches { padding: 60px 24px; }
  .niche-item { flex-direction: column; gap: 8px; }
  .niche-name { min-width: unset; }
  .closing { padding: 60px 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 42px; }
  .hero-sub { font-size: 17px; }
  .proof-number { font-size: 28px; }
}