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

:root {
  --bg: #070B14;
  --bg-2: #0D1424;
  --bg-3: #111827;
  --fg: #F0F4FF;
  --fg-2: #8899BB;
  --fg-3: #4A5E80;
  --accent: #00D4FF;
  --accent-2: #0099CC;
  --accent-dim: rgba(0, 212, 255, 0.08);
  --border: rgba(240, 244, 255, 0.08);
  --border-2: rgba(0, 212, 255, 0.2);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
}

.nav-badge {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 4px 10px;
  border: 1px solid var(--border-2);
  border-radius: 20px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}

.eyebrow-line {
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 760px;
}

.hero-headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent) 0%, #00A8CC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg-2);
  max-width: 560px;
  font-weight: 300;
}

/* ===== APPROACH ===== */
.approach {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.approach-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.approach-card {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  transition: border-color 0.3s ease;
}

.approach-card--active {
  border-color: var(--border-2);
  background: var(--accent-dim);
}

.approach-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.approach-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}

.approach-card p {
  font-size: 0.95rem;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}

.services-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.service-card {
  padding: 48px 40px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.service-card:nth-child(2n) {
  border-right: none;
}

.service-card:nth-child(3),
.service-card:nth-child(4) {
  border-bottom: none;
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.manifesto-block {
  margin-bottom: 40px;
}

.manifesto-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.manifesto-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.35;
  letter-spacing: -0.02em;
  max-width: 800px;
  border-left: 2px solid var(--accent);
  padding-left: 28px;
}

.manifesto-body {
  font-size: 1rem;
  color: var(--fg-2);
  line-height: 1.75;
  max-width: 680px;
  font-weight: 300;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 40px;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 680px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-2);
  font-weight: 300;
  max-width: 500px;
}

.closing-cta {
  margin-top: 40px;
}

/* ===== CTA BUTTON ===== */
.hero-actions {
  margin-top: 36px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent);
  color: #070B14;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 3px;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: #00B5DE;
  transform: translateY(-1px);
}

/* ===== VALUE PROPS ===== */
.value-props {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}

.value-props-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.value-props .section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.value-props-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.vprop-card {
  padding: 48px 40px;
  background: var(--bg);
  border-right: 1px solid var(--border);
}

.vprop-card:last-child {
  border-right: none;
}

.vprop-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 24px;
}

.vprop-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.vprop-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.vprop-card p {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.7;
  font-weight: 300;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-2);
  font-weight: 400;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-3);
  margin-top: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 100px 20px 60px; }
  .value-props { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
  .footer { padding: 40px 20px; }

  .value-props-grid { grid-template-columns: 1fr; }
  .vprop-card { border-right: none; border-bottom: 1px solid var(--border); }
  .vprop-card:last-child { border-bottom: none; }

  .hero-headline { font-size: 2.6rem; }
  .section-title { font-size: 1.6rem; }
  .closing-headline { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.2rem; }
  .closing-headline { font-size: 1.8rem; }
}