/* ============================================================
   MysteryGift Nepal — design system
   Dark, premium, glassmorphic. Three theme presets.
   ============================================================ */

:root {
  /* Base dark canvas (shared across themes) */
  --bg-0: #07060d;
  --bg-1: #0c0a18;
  --bg-2: #121028;
  --surface: rgba(22, 19, 43, 0.55);
  --surface-2: rgba(30, 26, 56, 0.7);
  --stroke: rgba(255, 255, 255, 0.08);
  --stroke-2: rgba(255, 255, 255, 0.14);

  --text: #f3f0ff;
  --text-dim: #b7b2d6;
  --text-faint: #7d789e;

  /* Theme accents — overridden by [data-theme] */
  --accent: #7c5cff;          /* indigo-violet primary */
  --accent-2: #5b7cf0;        /* cohesive indigo */
  --accent-3: #d8b66a;        /* muted gold */
  --accent-soft: rgba(124, 92, 255, 0.13);
  --glow: rgba(124, 92, 255, 0.3);
  --glow-2: rgba(91, 124, 240, 0.26);

  --grad: linear-gradient(120deg, #8b6aff, #5b7cf0);
  --grad-hot: linear-gradient(120deg, #8b6aff, #b56fd0);

  /* type */
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;

  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;

  --shadow-soft: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 0 1px var(--stroke), 0 24px 60px -24px var(--glow);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Theme: Midnight (default) ---- */
[data-theme="neon"] {
  --accent: #7c5cff;
  --accent-2: #5b7cf0;
  --accent-3: #d8b66a;
  --accent-soft: rgba(124, 92, 255, 0.13);
  --glow: rgba(124, 92, 255, 0.3);
  --glow-2: rgba(91, 124, 240, 0.26);
  --grad: linear-gradient(120deg, #8b6aff, #5b7cf0);
  --bg-0: #0a0a12;
  --bg-1: #0e0e1a;
  --bg-2: #141426;
}

/* ---- Theme: Royal (warm luxury) ---- */
[data-theme="royal"] {
  --accent: #c2a14f;
  --accent-2: #b08642;
  --accent-3: #e6c878;
  --accent-soft: rgba(194, 161, 79, 0.13);
  --glow: rgba(194, 161, 79, 0.28);
  --glow-2: rgba(176, 134, 66, 0.24);
  --grad: linear-gradient(120deg, #e6c878, #c2a14f);
  --bg-0: #0b0906;
  --bg-1: #120f0a;
  --bg-2: #1a150e;
  --text: #f5efe2;
  --text-dim: #cbbfa8;
}

/* ---- Theme: Festive (Dashain/Tihar) ---- */
[data-theme="festive"] {
  --accent: #d4622e;
  --accent-2: #b8324a;
  --accent-3: #e0aa4e;
  --accent-soft: rgba(212, 98, 46, 0.13);
  --glow: rgba(212, 98, 46, 0.3);
  --glow-2: rgba(184, 50, 74, 0.26);
  --grad: linear-gradient(120deg, #d4622e, #b8324a);
  --bg-0: #0b0707;
  --bg-1: #160c0c;
  --bg-2: #1f1010;
  --text: #fbeee6;
  --text-dim: #d6bbac;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* animated aurora background layer */
.bg-aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 12% 8%, var(--accent-soft), transparent 60%),
    radial-gradient(50vw 50vw at 88% 18%, color-mix(in oklab, var(--accent-2) 18%, transparent), transparent 60%),
    radial-gradient(55vw 55vw at 70% 96%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%),
    var(--bg-0);
}
.bg-aurora::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    conic-gradient(from 120deg at 30% 30%, transparent, var(--accent-soft), transparent 40%);
  filter: blur(60px);
  opacity: 0.5;
  animation: drift 26s linear infinite;
}
@keyframes drift {
  0% { transform: rotate(0deg) scale(1.1); }
  100% { transform: rotate(360deg) scale(1.1); }
}

#particles {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

p { line-height: 1.6; color: var(--text-dim); }

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

button, [role="button"], .chip, input[type="range"], label { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .gb-spark { display: none; }
}

::selection { background: var(--accent); color: #fff; }

/* glass card */
.glass {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--shadow-soft);
}

.glass-2 {
  background: var(--surface-2);
  border: 1px solid var(--stroke-2);
}

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

/* buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s;
  white-space: nowrap;
  color: #fff;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: var(--grad);
  box-shadow: 0 10px 30px -10px var(--glow), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -12px var(--glow), inset 0 1px 0 rgba(255,255,255,0.3);
}

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--stroke-2);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }

.btn-gold {
  background: linear-gradient(120deg, var(--accent-3), color-mix(in oklab, var(--accent-3) 60%, #b8860b));
  color: #2a1d00;
  box-shadow: 0 10px 30px -12px var(--accent-3);
}
.btn-gold:hover { transform: translateY(-2px); }

.btn-lg { padding: 16px 30px; font-size: 16.5px; }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }

/* chips / pills */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--stroke);
  color: var(--text-dim);
}
.chip-accent {
  background: var(--accent-soft);
  border-color: color-mix(in oklab, var(--accent) 35%, transparent);
  color: var(--text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
}

/* section scaffolding */
.section { position: relative; z-index: 2; padding: 96px 24px; }
.wrap { max-width: 1200px; margin: 0 auto; }
.wrap-narrow { max-width: 880px; margin: 0 auto; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(30px, 4.4vw, 52px); margin: 14px 0 16px; }
.section-head p { font-size: 17px; }

/* utility */
.center { display: flex; align-items: center; justify-content: center; }
.muted { color: var(--text-faint); }
.divider { height: 1px; background: var(--stroke); border: 0; margin: 0; }

/* scrollbar */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); background-clip: content-box; }

/* fade/slide page transition */
.page-enter { animation: pageIn 0.5s var(--ease) both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* reduce motion */
.no-motion .bg-aurora::after { animation: none; }
.no-motion .giftbox-stage,
.no-motion .gb-lid,
.no-motion .gb-bow,
.no-motion .gb-glow,
.no-motion .float-card { animation: none !important; }
.no-motion .gb-spark { display: none; }

/* glassmorphism off */
.no-glass .glass, .no-glass .glass-2 { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; background: var(--bg-2) !important; }

/* keyframes used across pages */
@keyframes slideNext { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: none; } }
@keyframes slidePrev { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }
@keyframes popIn { 0% { transform: scale(0.4); opacity: 0; } 60% { transform: scale(1.12); } 100% { transform: scale(1); opacity: 1; } }
@keyframes confetti {
  0% { transform: translate(-50%, -50%) rotate(0) translateY(0); opacity: 1; }
  100% { transform: translate(-50%, -50%) rotate(var(--ang)) translateY(-180px) rotate(720deg); opacity: 0; }
}

.quiz-opt:hover { transform: translateY(-2px); border-color: var(--stroke-2) !important; }

/* ===== responsive ===== */
@media (max-width: 980px) {
  .nav-links { display: none !important; }
  .nav-burger { display: grid !important; }
  .hero-grid, .showcase-grid, .dash-grid, .santa-grid, .pay-grid, .contact-grid { grid-template-columns: 1fr !important; }
  .grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .masonry { column-count: 2 !important; }
  .auth-visual { display: none !important; }
  /* auth + any 1fr/1fr split → single column */
  .page-enter[style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }
}
@media (max-width: 600px) {
  .section { padding: 64px 18px; }
  .grid-4 { grid-template-columns: 1fr !important; }
  .masonry { column-count: 1 !important; }
  .nav-login { display: none !important; }
  .nav-username { display: none !important; }
  h1 { letter-spacing: -0.01em; }
}