/* === BASE === */
:root {
  --bg: #0D0D0F;
  --surface: #1A1A1F;
  --border: #2E2E35;
  --text: #F5F5F7;
  --muted: #8A8A8E;
  --accent: #F59E0B;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.nav-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 11px;
}

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: #000;
  background: var(--accent);
  padding: 8px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: #e08c0a;
}

/* === SECTION LABEL === */
.section-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 20px;
}

/* === HERO === */
.hero {
  background: var(--bg);
  padding: 80px 48px 0;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: center;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: 28px;
}

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

.hero-lede {
  font-size: 19px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
  max-width: 560px;
}

.hero-sub {
  font-size: 15px;
  color: var(--muted);
  opacity: 0.7;
  max-width: 520px;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-stat-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  transition: border-color 0.2s;
}

.hero-stat-block:hover {
  border-color: var(--accent);
}

.hero-stat-num {
  font-family: var(--font-head);
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.hero-stat-label {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
}

.hero-wave {
  margin-top: 64px;
  line-height: 0;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* === CLIENTS === */
.clients {
  background: var(--surface);
  padding: 80px 48px;
}

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

.clients-heading {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 56px;
  max-width: 700px;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.client-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px;
  transition: border-color 0.25s, transform 0.25s;
}

.client-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.client-icon {
  display: block;
  font-size: 28px;
  margin-bottom: 16px;
}

.client-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.client-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* === PROCESS === */
.process {
  background: var(--bg);
  padding: 80px 48px;
}

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

.process-heading {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 56px;
  max-width: 600px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}

.step {
  padding: 36px 32px;
  border-right: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
}

.step:last-child { border-right: none; }
.step:hover { background: var(--surface); }

.step-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 16px;
}

.step-body h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.step-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.process-note {
  margin-top: 36px;
  font-size: 16px;
  color: var(--muted);
  font-style: italic;
}

/* === MANIFESTO === */
.manifesto {
  background: var(--surface);
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
}

.manifesto-quote {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 36px;
  font-style: normal;
}

.manifesto-body {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 700px;
}

.manifesto-pillars {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 56px;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}

.pillar {
  flex: 1;
  padding: 28px 24px;
  background: var(--bg);
  border-right: 1px solid var(--border);
}

.pillar:last-child { border-right: none; }

.pillar-num {
  display: block;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.pillar-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 20px;
  color: var(--accent);
  background: var(--surface);
  flex-shrink: 0;
}

/* === FOOTER === */
.footer {
  background: var(--bg);
  padding: 48px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  display: block;
  margin-bottom: 8px;
}

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

.footer-line {
  text-align: right;
  max-width: 400px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { flex-direction: row; flex-wrap: wrap; }
  .hero-stat-block { flex: 1; min-width: 140px; }
  .client-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(2) { border-right: none; }
  .step:nth-child(1), .step:nth-child(2) { border-bottom: 1px solid var(--border); }
  .manifesto-pillars { flex-direction: column; }
  .pillar-arrow { display: none; }
  .pillar { border-right: none; border-bottom: 1px solid var(--border); }
  .pillar:last-child { border-bottom: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-line { text-align: left; }
}

@media (max-width: 600px) {
  .clients, .process, .manifesto { padding: 60px 24px; }
  .clients-heading { font-size: 28px; }
  .client-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: none; }
  .hero-stat-num { font-size: 32px; }
  .hero-stat-block { padding: 20px; }
}