/* ════════════════════════════════════════════════════════
   EID AL ADHA – PREMIUM ISLAMIC LUXURY UI
   Developed By Asal Soft
   Color palette: #0a1a0f (deep black-green), #0d2818 (dark green),
   #c9a84c (gold), #f5e6b2 (light gold), #ffffff (white)
   ════════════════════════════════════════════════════════ */

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

:root {
  --bg-deep:     #060e08;
  --bg-dark:     #0a1a0f;
  --bg-mid:      #0d2818;
  --bg-panel:    #0f2e1b;
  --gold:        #c9a84c;
  --gold-light:  #f5e6b2;
  --gold-glow:   #e8c96080;
  --gold-dark:   #8a6f2e;
  --white:       #ffffff;
  --white-soft:  rgba(255,255,255,0.85);
  --white-muted: rgba(255,255,255,0.45);
  --glass-bg:    rgba(13,40,24,0.72);
  --glass-border:rgba(201,168,76,0.22);
  --shadow-gold: 0 0 40px rgba(201,168,76,0.18);
  --shadow-deep: 0 24px 80px rgba(0,0,0,0.7);
  --font-display:'Cinzel Decorative', serif;
  --font-body:   'Cormorant Garamond', serif;
  --font-arabic: 'Amiri', serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ══════════════════════════ LOADING SCREEN ══ */
#loadingScreen {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-deep);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
#loadingScreen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner { text-align: center; }

.loader-crescent {
  font-size: 64px;
  color: var(--gold);
  display: block;
  animation: loaderPulse 1.4s ease-in-out infinite;
  text-shadow: 0 0 40px var(--gold-glow);
  filter: drop-shadow(0 0 20px var(--gold));
}

.loader-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  color: var(--gold-light);
  letter-spacing: 0.2em;
  margin: 16px 0 24px;
  text-transform: uppercase;
}

.loader-bar {
  width: 200px; height: 3px;
  background: rgba(201,168,76,0.15);
  border-radius: 2px; margin: 0 auto;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
  border-radius: 2px;
  animation: loaderFill 1.8s ease-in-out forwards;
}

@keyframes loaderPulse {
  0%,100% { transform: scale(1) rotate(-5deg); opacity: 0.8; }
  50%      { transform: scale(1.12) rotate(5deg); opacity: 1; }
}
@keyframes loaderFill {
  0%   { width: 0; }
  100% { width: 100%; }
}

/* ══════════════════════════ PARTICLE CANVAS ══ */
#particleCanvas, #confettiCanvas {
  position: fixed; inset: 0; pointer-events: none;
  z-index: 0;
}
#confettiCanvas { z-index: 100; }

/* ══════════════════════════ AUDIO BTN ══ */
.audio-btn {
  position: fixed; bottom: 28px; left: 24px; z-index: 500;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  cursor: pointer;
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 20px var(--gold-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: fadeInUp 1s ease 2s both;
}
.audio-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 30px rgba(0,0,0,0.5), 0 0 30px var(--gold-glow);
}

/* ══════════════════════════ HERO ══ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(13,60,30,0.9) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(201,168,76,0.08) 0%, transparent 60%),
    linear-gradient(180deg, #060e08 0%, #0a1a0f 40%, #060e08 100%);
}

.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black, transparent);
}

/* ── Lanterns ── */
.lanterns { position: absolute; inset: 0; pointer-events: none; }
.lantern {
  position: absolute;
  font-size: clamp(28px, 5vw, 48px);
  filter: drop-shadow(0 0 16px var(--gold));
  animation: lanternSway 4s ease-in-out infinite;
}
.l1 { top: 6%; left: 8%; animation-delay: 0s; }
.l2 { top: 4%; right: 10%; animation-delay: 1.2s; }
.l3 { top: 12%; left: 50%; transform: translateX(-50%); font-size: clamp(20px,3vw,32px); animation-delay: 2.4s; }
@keyframes lanternSway {
  0%,100% { transform: rotate(-6deg) translateY(0); }
  50%      { transform: rotate(6deg) translateY(-8px); }
}
.l3 { animation-name: lanternSway3; }
@keyframes lanternSway3 {
  0%,100% { transform: translateX(-50%) rotate(-4deg); }
  50%      { transform: translateX(-50%) rotate(4deg) translateY(-6px); }
}

/* ── Crescent ── */
.crescent-moon {
  position: absolute; top: 60px; right: 8%;
  font-size: clamp(60px, 10vw, 110px);
  color: var(--gold);
  filter: drop-shadow(0 0 30px var(--gold)) drop-shadow(0 0 80px var(--gold-glow));
  animation: moonFloat 6s ease-in-out infinite;
  text-shadow: 0 0 60px var(--gold-glow);
}
@keyframes moonFloat {
  0%,100% { transform: translateY(0) rotate(-5deg); }
  50%      { transform: translateY(-14px) rotate(5deg); }
}

/* ── Stars ── */
.stars-field { position: absolute; inset: 0; pointer-events: none; }
.star {
  position: absolute;
  color: var(--gold-light);
  opacity: 0;
  animation: starTwinkle 3s ease-in-out infinite;
}
.star::after { content: '✦'; }
@keyframes starTwinkle {
  0%,100% { opacity: 0; transform: scale(0.6); }
  50%      { opacity: 0.7; transform: scale(1); }
}

/* ── Hero Content ── */
.hero-content { position: relative; z-index: 2; max-width: 680px; }

.arabic-takbeer {
  font-family: var(--font-arabic);
  font-size: clamp(1.1rem, 3.5vw, 1.7rem);
  color: var(--gold-light);
  line-height: 2.2;
  margin-bottom: 28px;
  text-shadow: 0 0 20px var(--gold-glow);
  animation: fadeInUp 0.9s ease 0.3s both;
}
.arabic-takbeer .small-arabic { font-size: 0.8em; opacity: 0.8; }

.eid-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.04em;
  display: flex; flex-direction: column; gap: 4px;
  animation: fadeInUp 0.9s ease 0.6s both;
}
.eid-word { display: block; }
.eid-word.gold {
  color: var(--gold);
  text-shadow: 0 0 30px var(--gold-glow), 0 0 80px rgba(201,168,76,0.3);
}

.divider-ornament {
  color: var(--gold);
  letter-spacing: 0.3em;
  font-size: 1.1rem;
  margin: 20px 0;
  animation: fadeInUp 0.9s ease 0.9s both;
  opacity: 0.8;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--white-muted);
  font-style: italic;
  animation: fadeInUp 0.9s ease 1.1s both;
}

/* ══════════════════════════ FORM SECTION ══ */
.form-section {
  position: relative; z-index: 2;
  padding: 60px 20px 100px;
  display: flex; justify-content: center;
}

.form-card {
  width: 100%; max-width: 520px;
  padding: clamp(28px, 6vw, 52px);
  border-radius: 24px;
  animation: fadeInUp 0.9s ease 0.2s both;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-gold), var(--shadow-deep),
    inset 0 1px 0 rgba(201,168,76,0.1);
}

.form-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3.5vw, 1.5rem);
  color: var(--gold-light);
  text-align: center;
  margin-bottom: 36px;
  letter-spacing: 0.05em;
}

.field-group { margin-bottom: 28px; }
.field-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ── Photo Upload ── */
.photo-upload-area {
  position: relative;
  width: 180px; height: 180px;
  margin: 0 auto;
  border-radius: 50%;
  border: 2px dashed var(--gold-dark);
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
  background: rgba(201,168,76,0.04);
  display: flex; align-items: center; justify-content: center;
}
.photo-upload-area:hover {
  border-color: var(--gold);
  box-shadow: 0 0 24px var(--gold-glow);
}
.upload-placeholder { text-align: center; padding: 20px; }
.upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-placeholder p { font-size: 0.85rem; color: var(--white-soft); margin-bottom: 4px; }
.upload-placeholder span { font-size: 0.72rem; color: var(--white-muted); }

.photo-preview {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: none;
}
.photo-preview.visible { display: block; }

/* ── Text Input ── */
.text-input {
  width: 100%;
  padding: 14px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 12px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.text-input::placeholder { color: var(--white-muted); }
.text-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}

/* ── Generate Button ── */
.generate-btn {
  width: 100%;
  padding: 18px 32px;
  margin-top: 8px;
  background: linear-gradient(135deg, #8a6f2e 0%, #c9a84c 50%, #f5e6b2 100%);
  border: none;
  border-radius: 14px;
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 24px rgba(201,168,76,0.35);
}
.generate-btn::before {
  content: '';
  position: absolute; top: -50%; left: -60%;
  width: 60%; height: 200%;
  background: rgba(255,255,255,0.18);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.generate-btn:hover::before { left: 120%; }
.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(201,168,76,0.5);
}
.generate-btn:active { transform: translateY(0); }
.generate-btn .btn-loader { display: none; }
.generate-btn.loading .btn-text { display: none; }
.generate-btn.loading .btn-loader { display: inline; }

.hidden { display: none !important; }

/* ══════════════════════════ FOOTER ══ */
.site-footer {
  text-align: center;
  padding: 28px 16px;
  font-size: 0.8rem;
  color: var(--white-muted);
  letter-spacing: 0.1em;
  border-top: 1px solid rgba(201,168,76,0.08);
}
.site-footer .brand {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.9em;
}

/* ══════════════════════════ ANIMATIONS ══ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes glowPulse {
  0%,100% { box-shadow: 0 0 20px var(--gold-glow); }
  50%      { box-shadow: 0 0 50px var(--gold-glow), 0 0 100px rgba(201,168,76,0.12); }
}

/* ══════════════════════════ RESPONSIVE ══ */
@media (max-width: 480px) {
  .hero { padding-top: 100px; }
  .crescent-moon { font-size: 70px; top: 40px; right: 4%; }
  .l1, .l2 { font-size: 28px; }
  .photo-upload-area { width: 150px; height: 150px; }
}