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

:root {
  --black:     #08090c;
  --dark:      #0d0e14;
  --dark2:     #13151e;
  --dark3:     #1a1d2a;
  --glass:     rgba(255,255,255,0.04);
  --glass-b:   rgba(255,255,255,0.08);
  --border:    rgba(255,255,255,0.07);
  --border-h:  rgba(255,255,255,0.14);
  --blue:      #3b82f6;
  --blue-dim:  rgba(59,130,246,0.15);
  --blue-glow: rgba(59,130,246,0.35);
  --gold:      #f1c40f;
  --gold-dim:  rgba(241,196,15,0.12);
  --gold-glow: rgba(241,196,15,0.4);
  --text:      #e8eaf0;
  --text-dim:  #7c8099;
  --text-muted:#4a4e63;
  --premium:   linear-gradient(135deg, #f1c40f, #e67e22);
  --blue-grad: linear-gradient(135deg, #3b82f6, #6366f1);
  --radius:    14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow:    0 8px 32px rgba(0,0,0,0.4);
  --font:      'DM Sans', sans-serif;
  --font-head: 'Syne', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Loader ───────────────────────────────────────────────── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-ring {
  width: 64px; height: 64px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loader-logo {
  font-size: 32px;
  position: absolute;
  animation: pulse 1.6s ease infinite;
}
.loader-text {
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 24px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
.nav.scrolled {
  background: rgba(8,9,12,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; font-family: var(--font-head); font-weight: 700;
}
.nav-donut { font-size: 22px; }
.nav-name { color: var(--text); font-size: 16px; }
.nav-tag {
  font-size: 10px; font-family: var(--font);
  background: var(--gold-dim); color: var(--gold);
  padding: 2px 8px; border-radius: 20px;
  border: 1px solid rgba(241,196,15,0.2);
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex; align-items: center; gap: 28px;
  font-size: 14px;
}
.nav-links a:not(.btn-nav-ghost):not(.btn-nav-login):not(.btn-nav-gold):not(.nav-premium) {
  color: var(--text-dim); text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-premium { color: var(--gold) !important; font-weight: 500; text-decoration: none !important; }
.btn-nav-ghost {
  padding: 7px 16px; border: 1px solid var(--border-h);
  border-radius: var(--radius-sm); color: var(--text) !important;
  text-decoration: none !important; font-size: 13px;
  transition: background 0.2s, border-color 0.2s;
}
.btn-nav-ghost:hover { background: var(--glass-b); }
.btn-nav-login {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: var(--blue); color: #fff !important; text-decoration: none !important;
  font-size: 13px; font-weight: 500; transition: opacity 0.2s, transform 0.2s;
}
.btn-nav-login:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-nav-gold {
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: var(--gold-dim); border: 1px solid rgba(241,196,15,0.3);
  color: var(--gold) !important; text-decoration: none !important;
  font-size: 13px; font-weight: 600;
  transition: background 0.2s;
}
.btn-nav-gold:hover { background: rgba(241,196,15,0.2); }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius);
  background: var(--blue-grad); color: #fff;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  text-decoration: none; border: none; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px var(--blue-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--blue-glow); }
.btn-gold {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius);
  background: var(--gold-dim); border: 1.5px solid rgba(241,196,15,0.4);
  color: var(--gold); font-family: var(--font-head); font-weight: 600; font-size: 15px;
  text-decoration: none; cursor: pointer;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}
.btn-gold:hover { transform: translateY(-2px); background: rgba(241,196,15,0.2); box-shadow: 0 4px 20px var(--gold-glow); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius);
  background: transparent; border: 1px solid var(--border-h);
  color: var(--text); font-family: var(--font-head); font-weight: 500; font-size: 15px;
  text-decoration: none; cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-ghost:hover { background: var(--glass-b); border-color: var(--border-h); }
.btn-danger {
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444; font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background 0.2s;
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

/* ── Glass cards ─────────────────────────────────────────── */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Section layout ──────────────────────────────────────── */
.section { padding: 100px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; line-height: 1.1; margin-bottom: 16px;
  color: var(--text);
}
.section-sub {
  font-size: 17px; color: var(--text-dim); max-width: 520px;
  margin-bottom: 60px;
}

/* ── Reveal animations ───────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--dark3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Animations ──────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.1); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes glow-pulse { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Mobile nav ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(8,9,12,0.98); backdrop-filter: blur(16px);
    padding: 20px 24px 28px; gap: 16px;
    border-bottom: 1px solid var(--border);
  }
}