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

/* ===== DESIGN TOKENS ===== */
:root {
  --bg: #09090b;
  --bg-nav: rgba(9, 9, 11, 0.85);
  --bg-card: rgba(24, 24, 27, 0.7);
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --max-w: 760px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-logo svg {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 150ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: 64px;
}

/* ===== HERO ===== */
.hero {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== CONTENT ===== */
.content {
  padding-bottom: 4rem;
}

.content section {
  margin-bottom: 2.5rem;
}

.content h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.content p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 0.75rem;
}

.content ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

.content a {
  color: var(--accent);
  text-decoration: none;
  transition: color 150ms ease;
}

.content a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.content strong {
  color: var(--text);
  font-weight: 600;
}

/* ===== CONTACT BOX ===== */
.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 0.75rem;
}

.contact-box p {
  margin-bottom: 0.25rem;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 150ms ease;
}

.footer-links a:hover {
  color: var(--text-secondary);
}

/* ===== LANDING PAGE ===== */
.landing-hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
}

.landing-hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 520px;
  margin-bottom: 2rem;
}

.landing-links {
  display: flex;
  gap: 1rem;
}

.landing-links a {
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 200ms ease;
}

.landing-links a.primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.2);
}

.landing-links a.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(59, 130, 246, 0.35);
}

.landing-links a.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.landing-links a.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .landing-hero h1 {
    font-size: 2.25rem;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .nav-inner {
    padding: 0 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .nav-links a {
    padding: 0.5rem 0.6rem;
    font-size: 0.8rem;
  }

  .landing-links {
    flex-direction: column;
  }
}