/* =========================
   ROOT VARIABLES
========================= */
:root {
  --bg: #0B0B0B;
  --card: #111111;
  --border: #1f1f1f;
  --text: #ffffff;
  --muted: #a1a1aa;
  --primary: #3B82F6;
  --primary-hover: #2563eb;
}

/* =========================
   BASE
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

h1, h2, h3 {
  font-weight: 700;
}

/* =========================
   LAYOUT
========================= */
.section {
  padding: 100px 0;
}

.container {
  max-width: 1100px;
}

/* =========================
   HERO
========================= */
.hero {
  padding: 140px 0 80px;
}

.hero-title {
  font-size: 3rem;
  margin-top: 20px;
}

.hero-subtitle {
  color: var(--muted);
  max-width: 600px;
  margin: 20px auto;
}

/* =========================
   BUTTON
========================= */
.btn-main {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 28px;
  background: var(--primary);
  color: white;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-main:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* =========================
   CARD
========================= */
.card-custom {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s ease;
}

.card-custom:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
}

/* =========================
   TEXT
========================= */
.section-title {
  font-size: 2rem;
}

.email {
  margin-top: 20px;
  color: var(--muted);
}

/* =========================
   BADGE
========================= */
.badge-custom {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
}

/* =========================
   DIVIDER
========================= */
.divider {
  height: 1px;
  background: var(--border);
  margin: 60px auto;
  width: 80%;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .section {
    padding: 70px 20px;
  }
}

/* =========================
   NAVBAR
========================= */
.navbar-custom {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(11, 11, 11, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-links a {
  margin: 0 15px;
  color: var(--muted);
  text-decoration: none;
  transition: 0.3s;
}

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

.btn-nav {
  background: var(--primary);
  padding: 8px 18px;
  border-radius: 999px;
  text-decoration: none;
  color: white;
  font-weight: 600;
}

.btn-nav:hover {
  background: var(--primary-hover);
}

/* Prevent content overlap */
body {
  padding-top: 80px;
}

/* =========================
   ANIMATIONS
========================= */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate.show {
  opacity: 1;
  transform: translateY(0);
}

/* delays */
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }