@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-teal: #14b8a6;
  --accent-green: #22c55e;
  --accent-yellow: #eab308;
  --nav-bg: rgba(15, 23, 42, 0.8);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo img {
  width: 32px;
  height: 32px;
}

nav ul {
  display: flex;
  gap: 2rem;
}

nav a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background 0.2s;
}

nav a:hover, nav a.active {
  background: rgba(255,255,255,0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--accent-teal);
  color: #000;
}

.btn-primary:hover {
  background-color: #0d9488;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  background-color: rgba(255,255,255,0.1);
}

.icon-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Common Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.section-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1.5rem;
  color: var(--accent-teal);
  background: rgba(20, 184, 166, 0.1);
}

.section-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.section-title span {
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.text-center {
  text-align: center;
}

/* Footer */
footer {
  background: var(--bg-card);
  padding: 4rem 2rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-col p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.social-links a:hover {
  background: rgba(255,255,255,0.1);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.05);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}