/* === TOKENS === */
:root {
  --bg: #0B1D2A;
  --bg-2: #0F2535;
  --surface: #132C3E;
  --fg: #F0EDE8;
  --fg-muted: rgba(240, 237, 232, 0.55);
  --accent: #00E5C8;
  --accent-dim: rgba(0, 229, 200, 0.12);
  --accent-glow: rgba(0, 229, 200, 0.25);
  --tag-bg: rgba(0, 229, 200, 0.1);
  --border: rgba(0, 229, 200, 0.18);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.1; }

.section-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: var(--fg);
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.section-body {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.75;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 4rem;
  background: rgba(11, 29, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

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

.site-header nav {
  display: flex;
  gap: 2.5rem;
}

.site-header nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.site-header nav a:hover { color: var(--fg); }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 8rem 4rem 4rem;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(0, 229, 200, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  background: var(--accent-dim);
}

.hero-headline {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
  color: var(--fg);
}

.hero-headline br { display: block; }

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tag {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.ocean-blob {
  width: 100%;
  height: 280px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.ocean-blob::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0, 229, 200, 0.08), transparent);
}

.ocean-blob::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hustle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
}

.grid-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color 0.2s, background 0.2s;
}

.grid-cell:hover {
  border-color: rgba(0, 229, 200, 0.4);
  background: rgba(19, 44, 62, 0.9);
}

.cell-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.cell-val {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

/* === MODEL === */
.model {
  padding: 7rem 4rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.model .section-body {
  max-width: 640px;
  margin-bottom: 4rem;
}

.flywheel {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.fw-step {
  flex: 1;
  min-width: 160px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  transition: border-color 0.2s;
}

.fw-step:hover { border-color: rgba(0, 229, 200, 0.35); }

.fw-step-profit {
  background: var(--accent-dim);
  border-color: rgba(0, 229, 200, 0.3);
}

.fw-icon {
  margin-bottom: 1rem;
}

.fw-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--fg);
}

.fw-step p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.fw-arrow {
  display: flex;
  align-items: center;
  padding-top: 2.5rem;
  flex-shrink: 0;
}

/* === SERVICES === */
.services {
  padding: 7rem 4rem;
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
}

.service-card:hover {
  border-color: rgba(0, 229, 200, 0.35);
  transform: translateY(-4px);
}

.service-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.service-metric {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.metric-val {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
}

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

/* === HOW === */
.how {
  padding: 7rem 4rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 3rem;
}

.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  padding-top: 0.2rem;
}

.step-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.step-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
}

/* === NUMBERS === */
.numbers {
  padding: 7rem 4rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.numbers-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0, 229, 200, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  position: relative;
}

.num-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.num-big {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  line-height: 1;
}

.num-desc {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 300px;
}

/* === CLOSING === */
.closing {
  padding: 8rem 4rem 7rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.closing-content h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--fg);
}

.closing-content p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 560px;
}

.closing-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  opacity: 0.6;
}

.closing-brand {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* === FOOTER === */
footer {
  padding: 3rem 4rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

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

.footer-tagline {
  font-size: 0.95rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.footer-links {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(240, 237, 232, 0.3);
  margin-top: 0.5rem;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .numbers-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .flywheel { gap: 1rem; }
  .fw-arrow { display: none; }
}

@media (max-width: 768px) {
  .site-header { padding: 1rem 1.5rem; }
  .site-header nav { display: none; }

  .hero {
    padding: 7rem 1.5rem 4rem;
    grid-template-columns: 1fr;
    gap: 3rem;
    min-height: auto;
    text-align: left;
  }

  .hero-headline { font-size: 3rem; }
  .hero-visual { display: none; }

  .model, .services, .how, .numbers, .closing {
    padding: 5rem 1.5rem;
  }

  .services-grid { grid-template-columns: 1fr; }
  .flywheel { flex-direction: column; }
  .fw-step { min-width: auto; }
  .closing { grid-template-columns: 1fr; }
  .closing-visual { display: none; }
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 229, 200, 0.4); }