/* ─────────────────────────────────────────
   Operatio — Custom Landing Page Theme
   Typography: Syne (display) + DM Sans (body)
   Palette: Deep navy + amber accent
   ───────────────────────────────────────── */

:root {
  --bg: #0D1117;
  --surface: #161B22;
  --surface2: #1C2128;
  --border: #2D333B;
  --fg: #E6EDF3;
  --fg-muted: #8B949E;
  --accent: #F59E0B;
  --accent-dim: #B47708;
  --accent-glow: rgba(245, 158, 11, 0.12);
  --light-bg: #F8F6F1;
  --light-fg: #1C1917;
  --light-fg-muted: #78716C;
  --light-border: #E7E5E0;
}

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

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

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

/* ── Navigation ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 51, 59, 0.6);
}
.nav-inner { max-width: 1200px; margin: 0 auto; }
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(245, 158, 11, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 90% 10%, rgba(245, 158, 11, 0.04) 0%, transparent 60%);
  pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 0%, transparent 100%);
}
.hero-inner {
  position: relative;
  max-width: 900px;
}
.hero-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 56px;
  font-weight: 300;
  line-height: 1.7;
}
.hero-stat-row {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stat {}
.stat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ── Proof Bar ── */
.proof-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 40px;
}
.proof-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.proof-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.proof-items {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.proof-items span {
  font-size: 0.875rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.proof-items .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  padding: 0;
}

/* ── Problem ── */
.problem { background: var(--surface); padding: 100px 40px; }
.problem-inner { max-width: 1200px; margin: 0 auto; }
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.problem-header { margin-bottom: 64px; }
.problem-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 640px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.problem-card {
  background: var(--surface2);
  padding: 40px 36px;
}
.problem-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.problem-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Solution ── */
.solution { background: var(--bg); padding: 100px 40px; }
.solution-inner { max-width: 1200px; margin: 0 auto; }
.solution-header { margin-bottom: 64px; }
.solution-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.solution-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
}
.solution-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.col-label {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.col-list { list-style: none; }
.col-list li {
  font-size: 0.9rem;
  color: var(--fg-muted);
  padding: 10px 0;
  border-bottom: 1px solid rgba(45, 51, 59, 0.5);
  line-height: 1.5;
}
.col-list li:last-child { border-bottom: none; }

/* ── Components ── */
.components { background: var(--surface); padding: 100px 40px; }
.components-inner { max-width: 1200px; margin: 0 auto; }
.components-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 520px;
}
.components-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.component-card {
  background: var(--surface2);
  padding: 36px 32px;
}
.comp-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.component-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.component-card p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── Outcomes ── */
.outcomes { background: var(--bg); padding: 100px 40px; }
.outcomes-inner { max-width: 1200px; margin: 0 auto; }
.outcomes-header { margin-bottom: 56px; }
.outcomes-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.outcomes-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 16px;
  overflow: hidden;
}
.outcome-item {
  background: rgba(13, 17, 23, 0.9);
  padding: 40px 32px;
}
.outcome-metric {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
}
.outcome-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Process ── */
.process { background: var(--surface); padding: 100px 40px; }
.process-inner { max-width: 1200px; margin: 0 auto; }
.process-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; }
.step-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  width: 32px;
  padding-top: 4px;
}
.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step-content p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
}

/* ── Closing ── */
.closing {
  position: relative;
  background: var(--bg);
  padding: 120px 40px;
  overflow: hidden;
}
.closing-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 60% at 50% 100%, rgba(245, 158, 11, 0.08) 0%, transparent 70%),
    linear-gradient(to bottom, var(--surface) 0%, var(--bg) 100%);
  pointer-events: none;
}
.closing-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 70%, transparent 100%);
}
.closing-inner { position: relative; max-width: 860px; margin: 0 auto; text-align: center; }
.closing-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.closing-cta {
  font-size: 0.95rem;
  color: var(--fg);
  font-weight: 500;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.footer-links .sep { color: var(--border); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .problem-grid,
  .components-grid,
  .solution-columns { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 120px 24px 60px; }
  .hero-stat-row { gap: 28px; }
}
@media (max-width: 600px) {
  .outcomes-grid { grid-template-columns: 1fr; }
  .site-nav { padding: 16px 24px; }
  .proof-bar, .problem, .solution, .components, .outcomes, .process, .closing { padding: 72px 24px; }
  .hero-stat-row { flex-direction: column; gap: 20px; }
}