@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --border: rgba(255,255,255,0.07);
  --accent: #4f6ef7;
  --accent2: #7c3aed;
  --text: #f0f0f5;
  --text-muted: #6b6b7f;
  --success: #22c55e;
  --pro: #f59e0b;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* BUTTONS */
.btn {
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #3d5ce6;
  transform: translateY(-1px);
}

.btn-pro {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
}

.btn-pro:hover { opacity: 0.9; transform: translateY(-1px); }

/* HERO */
.hero {
  padding: 140px 2rem 100px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(79,110,247,0.3);
  background: rgba(79,110,247,0.08);
  font-size: 0.8rem;
  color: #8ba4f9;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, #4f6ef7, #7c3aed, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

/* GLOW */
.glow-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,110,247,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* SECTIONS */
section {
  padding: 80px 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin-bottom: 3rem;
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: rgba(79,110,247,0.3);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(79,110,247,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.card-lock {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* PRO BADGE */
.pro-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--pro);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 2rem;
}

/* AUTH MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  transform: translateY(20px);
  transition: transform 0.2s;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.75rem; }

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--accent);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.btn-google {
  width: 100%;
  justify-content: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem;
}

.btn-google:hover {
  border-color: rgba(255,255,255,0.2);
}

.btn-full { width: 100%; justify-content: center; padding: 0.75rem; }

.modal-switch {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.modal-switch a {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
}

.modal { position: relative; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* TOAST */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  z-index: 9999;
  transition: transform 0.3s;
}

.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: rgba(34,197,94,0.4); color: var(--success); }
.toast.error { border-color: rgba(239,68,68,0.4); color: #f87171; }

/* USER MENU */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--border);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.5rem;
  min-width: 180px;
  display: none;
}

.user-dropdown.open { display: block; }

.user-dropdown a, .user-dropdown button {
  display: block;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.15s;
}

.user-dropdown a:hover, .user-dropdown button:hover {
  background: var(--bg3);
  color: var(--text);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 120px 1.5rem 60px; }
}