:root {
  --bg: #0D0D0D;
  --bg-alt: #131313;
  --fg: #F5F5F0;
  --fg-dim: rgba(245, 245, 240, 0.5);
  --accent: #FFD000;
  --accent-dim: rgba(255, 208, 0, 0.15);
  --border: rgba(255, 208, 0, 0.2);
}

*, *::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: 'IBM Plex Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── HEADER ── */
.site-header {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.logo-spark { color: var(--accent); }
.header-nav .nav-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  padding: 80px 40px 100px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.eyebrow-line {
  display: block;
  width: 32px;
  height: 2px;
  background: var(--accent);
}
.eyebrow-text {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.headline-accent {
  color: var(--accent);
  display: inline;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 440px;
}
.hero-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-tag {
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.72rem;
  padding: 5px 12px;
  border-radius: 2px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-visual {
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 4px;
  flex: 1;
}
.hero-block--after {
  border-color: var(--accent);
}
.block-top {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.block-top--yellow { color: var(--accent); border-color: var(--accent-dim); }
.block-content { display: flex; flex-direction: column; gap: 10px; }
.bc-line {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg);
}
.bc-line::before {
  content: '→ ';
  color: var(--accent);
}
.bc-dim { color: var(--fg-dim); }
.bc-dim::before { color: var(--fg-dim); }
.hero-arrow { flex-shrink: 0; }

/* ── MANIFESTO ── */
.manifesto {
  background: #0A0A0A;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 500;
}
.manifesto-quote {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.5;
  color: var(--fg);
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  margin-bottom: 32px;
  max-width: 860px;
}
.manifesto-body {
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 20px;
}
.manifesto-body strong { color: var(--fg); }

/* ── CLIENTS ── */
.clients {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.clients-header { margin-bottom: 60px; }
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 500;
}
.clients-heading {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.client-card {
  background: var(--bg-alt);
  padding: 32px 28px;
  border: 1px solid rgba(255, 208, 0, 0.1);
  transition: border-color 0.2s;
}
.client-card:hover { border-color: var(--accent); }
.client-icon { margin-bottom: 16px; }
.client-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
  margin-bottom: 10px;
}
.client-desc {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* ── PROOF ── */
.proof {
  background: #0A0A0A;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.proof-inner { max-width: 1200px; margin: 0 auto; }
.proof-header { margin-bottom: 56px; }
.proof-heading {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.proof-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}
.pillar-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}
.pillar-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}
.pillar-body {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.7;
}
.proof-pricing {
  border-top: 1px solid var(--border);
  padding-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.pricing-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.pricing-amount {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 3.5rem;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.pricing-period {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--fg-dim);
}
.pricing-note {
  font-size: 0.9rem;
  color: var(--fg-dim);
  max-width: 480px;
  margin-top: 8px;
  line-height: 1.6;
}

/* ── CLOSING ── */
.closing {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 24px;
  line-height: 1.05;
}
.closing-body {
  font-size: 1.1rem;
  color: var(--fg-dim);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 60px;
}
.closing-statement {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 600px;
}
.closing-quote-mark {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 4rem;
  color: var(--accent);
  line-height: 0.8;
  flex-shrink: 0;
}
.closing-statement p {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--fg);
  line-height: 1.4;
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--fg);
}
.footer-logo span { color: var(--accent); }
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  flex: 1;
}
.footer-meta {
  font-size: 0.72rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 24px 80px; }
  .hero-visual { justify-content: center; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .proof-pillars { grid-template-columns: 1fr; gap: 32px; }
  .site-header { padding: 16px 24px; }
  .manifesto, .clients, .proof, .closing { padding-left: 24px; padding-right: 24px; }
  .footer-inner { flex-wrap: wrap; gap: 12px; }
}
@media (max-width: 600px) {
  .clients-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2rem; }
  .pricing-amount { font-size: 2.8rem; }
  .hero-visual { flex-direction: column; gap: 16px; }
}