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

:root {
  --bg: #070B14;
  --bg-2: #0B1422;
  --surface: #0F1A2E;
  --border: rgba(255,255,255,0.07);
  --text: #F0F4F8;
  --text-muted: rgba(240,244,248,0.5);
  --text-dim: rgba(240,244,248,0.28);
  --accent: #0EA5E9;
  --accent-dim: rgba(14,165,233,0.12);
  --accent-glow: rgba(14,165,233,0.06);
  --success: #10B981;
  --warning: #F59E0B;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --max-w: 1160px;
  --gutter: 40px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--border);
  background: rgba(7,11,20,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-badge {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 4px 10px;
  border-radius: 20px;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--gutter) 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 60% 40%, rgba(14,165,233,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 70%, rgba(14,165,233,0.04) 0%, transparent 60%);
  background-color: var(--bg);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 32px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 32px;
  max-width: 700px;
}

.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 560px;
  font-weight: 300;
}

/* === TAGLINE === */
.tagline {
  padding: 80px var(--gutter);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  text-align: center;
}

.tagline-text {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* === FEATURES === */
.features {
  padding: 100px var(--gutter);
}

.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.feature-card {
  background: var(--surface);
  padding: 44px 40px;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(14,165,233,0.25);
}

.feature-icon {
  margin-bottom: 24px;
  opacity: 0.9;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  font-weight: 300;
}

/* === WORK === */
.work {
  padding: 100px var(--gutter);
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.work-heading {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 56px;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.work-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.work-card {
  padding: 36px 40px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.work-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.work-card-a::before { background: var(--accent); }
.work-card-b::before { background: var(--success); }
.work-card-c::before { background: var(--warning); }
.work-card-d::before { background: #A78BFA; }

.work-card-a { background: rgba(14,165,233,0.04); }
.work-card-b { background: rgba(16,185,129,0.04); }
.work-card-c { background: rgba(245,158,11,0.04); }
.work-card-d { background: rgba(167,139,250,0.04); }

.work-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.work-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 300;
}

.work-status {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 400;
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px var(--gutter);
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  margin: 0 auto 48px;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
  font-style: normal;
}

.manifesto-quote em {
  color: var(--accent);
  font-style: italic;
}

/* === CLOSING === */
.closing {
  padding: 120px var(--gutter);
  text-align: center;
  background: var(--bg);
}

.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 17px;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 440px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  padding: 40px var(--gutter);
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text);
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root { --gutter: 24px; }

  .hero { padding: 100px var(--gutter) 72px; }
  .hero-headline { font-size: 44px; }

  .features-grid,
  .work-grid { grid-template-columns: 1fr; }

  .feature-card { padding: 32px 28px; }
  .work-card { padding: 28px 24px; }

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 38px; }
  .tagline-text { font-size: 26px; }
  .closing-headline { font-size: 30px; }
}