/* ── Reset & Variables ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #080818;
  --bg2:         #0f0f2a;
  --surface:     rgba(255,255,255,0.05);
  --surface-h:   rgba(255,255,255,0.09);
  --border:      rgba(255,255,255,0.08);
  --purple:      #7c3aed;
  --purple-l:    #9d5cf6;
  --cyan:        #06b6d4;
  --grad:        linear-gradient(135deg, #7c3aed, #06b6d4);
  --grad-text:   linear-gradient(90deg, #a78bfa, #22d3ee);
  --text:        #f1f5f9;
  --muted:       #94a3b8;
  --danger:      #ef4444;
  --success:     #22c55e;
  --radius:      16px;
  --radius-sm:   10px;
  --shadow:      0 25px 60px rgba(0,0,0,0.5);
  --glow:        0 0 40px rgba(124,58,237,0.3);
  --transition:  all 0.25s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ────────────────────────────────────────────── */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; }

/* ── Layout ────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 100px 0; }

/* ── Glass Card ────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 32px;
  transition: var(--transition);
}
.card:hover { background: var(--surface-h); transform: translateY(-2px); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: white;
  box-shadow: 0 0 24px rgba(124,58,237,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 36px rgba(124,58,237,0.6); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--surface-h); border-color: var(--purple-l); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn-full { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-tg { background: #229ED9; color: white; }
.btn-tg:hover { background: #1a8bc2; }

/* ── Form elements ─────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.form-input {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  padding: 14px 16px;
  width: 100%;
  transition: var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--purple-l); box-shadow: 0 0 0 3px rgba(124,58,237,0.15); }
.form-input::placeholder { color: var(--muted); }
.form-error { font-size: 12px; color: var(--danger); }
.form-success { font-size: 12px; color: var(--success); }

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
}
.badge-active  { background: rgba(34,197,94,0.15);  color: var(--success); }
.badge-expired { background: rgba(239,68,68,0.15);  color: var(--danger); }
.badge-pending { background: rgba(234,179,8,0.15);  color: #eab308; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  background: rgba(8,8,24,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.navbar-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.navbar-logo-icon { width: 36px; height: 36px; background: var(--grad); border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.navbar-logo-text { font-size: 20px; font-weight: 800; color: var(--text); }
.navbar-links { display: flex; align-items: center; gap: 8px; }

/* ── Hero background ───────────────────────────────────────── */
.hero-bg {
  position: absolute; inset: 0; overflow: hidden; z-index: 0;
  pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  top: 100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
}

/* ── Orb animations ────────────────────────────────────────── */
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-20px)} }
@keyframes pulse-glow { 0%,100%{opacity:0.4} 50%{opacity:0.8} }
@keyframes slide-up { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fade-in { from{opacity:0} to{opacity:1} }
@keyframes spin { to{transform:rotate(360deg)} }

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-slide-up { animation: slide-up 0.6s ease both; }
.animate-fade-in { animation: fade-in 0.4s ease both; }

/* ── Loading spinner ───────────────────────────────────────── */
.spinner { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.2); border-top-color: white; border-radius: 50%; animation: spin 0.7s linear infinite; }

/* ── Alert ─────────────────────────────────────────────────── */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.2);  color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.1);  border: 1px solid rgba(34,197,94,0.2);  color: #86efac; }
.alert-info    { background: rgba(6,182,212,0.1);  border: 1px solid rgba(6,182,212,0.2);  color: #67e8f9; }

/* ── Tabs ──────────────────────────────────────────────────── */
.tabs { display: flex; background: var(--surface); border-radius: var(--radius-sm); padding: 4px; }
.tab {
  flex: 1; padding: 10px; border-radius: 8px; border: none; background: none;
  color: var(--muted); font-size: 14px; font-weight: 500; cursor: pointer;
  transition: var(--transition);
}
.tab.active { background: var(--purple); color: white; }

/* ── Code block ────────────────────────────────────────────── */
.code-block {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  color: var(--cyan);
  overflow-x: auto;
  position: relative;
}
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  background: var(--surface-h); border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px;
  padding: 5px 10px; font-size: 11px; cursor: pointer;
  transition: var(--transition);
}
.copy-btn:hover { color: var(--text); }

/* ── Grid ──────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Divider ───────────────────────────────────────────────── */
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .card { padding: 24px; }
  .navbar-links .btn-outline { display: none; }
}