:root {
  --bg: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), transparent 25%),
        radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.1), transparent 25%),
        linear-gradient(135deg, #0a1628, #1a1f2e 45%, #0d1520);
  --card: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.15);
  --accent: #dc2626;
  --accent-2: #16a34a;
  --accent-3: #fbbf24;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --christmas-red: #dc2626;
  --christmas-green: #16a34a;
  --christmas-gold: #fbbf24;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  position: relative;
  overflow-x: hidden;
}

/* Kar yağma animasyonu için container */
.snow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.snowflake {
  position: absolute;
  color: white;
  font-size: 1em;
  font-family: Arial;
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
  animation: snowfall linear infinite;
  opacity: 0.8;
}

@keyframes snowfall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

body {
  padding: 24px;
  position: relative;
  z-index: 2;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
}

a { color: inherit; }

.page-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 0 48px;
}

.card {
  border-radius: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card--accent {
  border-color: rgba(220, 38, 38, 0.5);
  box-shadow: 0 10px 50px rgba(220, 38, 38, 0.3), 0 0 20px rgba(251, 191, 36, 0.2);
}

.glass { position: relative; overflow: hidden; }
.glass::before, .glass::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(22, 163, 74, 0.12), rgba(220, 38, 38, 0.12));
  opacity: 0.6;
  pointer-events: none;
}
.glass::after {
  inset: 12px;
  filter: blur(30px);
}
.glass > * { position: relative; z-index: 1; }

.hero {
  display: grid;
  grid-template-columns: 2fr 1.1fr;
  gap: 24px;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(32px, 4vw, 46px);
  margin: 8px 0 12px;
}

.hero__content .lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 0.3px;
  font-size: 13px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}
.badge {
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.hero__info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}
.label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  margin: 0 0 4px;
}
.hero__info p { margin: 0; font-weight: 600; }

.hero__visual {
  display: flex;
  justify-content: center;
}
.floating-card {
  width: 100%;
  max-width: 360px;
  padding: 20px;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.12), rgba(225, 29, 72, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
}
.floating-card .title { margin: 0 0 10px; font-weight: 700; }
.floating-card ul { padding-left: 18px; color: var(--muted); margin: 0 0 12px; line-height: 1.5; }
.progress {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 6px 0 4px;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.muted { color: var(--muted); margin: 0; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; text-align: center; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-grid .form-group:nth-child(3),
.form-grid .form-group:nth-child(4),
.form-grid button,
.form-grid .hint { grid-column: span 2; }

label { display: block; margin-bottom: 6px; color: var(--muted); font-weight: 600; }
.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}
.form-control:focus {
  outline: 2px solid rgba(34, 211, 238, 0.35);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: none;
}

.btn {
  border-radius: 12px;
  font-weight: 700;
  padding: 12px 16px;
  border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--christmas-red), #ef4444);
  border-color: rgba(220, 38, 38, 0.7);
  color: #fff;
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.6);
}
.btn-outline-light {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25); }

.steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.step__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.4);
  font-weight: 700;
}
.step__title { margin: 0; font-weight: 700; }

.updates {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}
.updates ul { padding-left: 18px; line-height: 1.5; }
.note {
  padding: 14px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.verify-card { max-width: 720px; margin: 0 auto; }
.verify-card__header h2 { margin: 6px 0 10px; }
.verify-form {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}
.code-inputs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.code-box {
  padding: 12px;
  text-align: center;
  font-size: 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}
.code-box:focus {
  outline: 2px solid rgba(225, 29, 72, 0.4);
  border-color: rgba(225, 29, 72, 0.6);
}
.verify-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  body { padding: 16px; }
  .updates { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .form-group:nth-child(3),
  .form-grid .form-group:nth-child(4),
  .form-grid button,
  .form-grid .hint { grid-column: span 1; }
  .hero__cta { flex-direction: column; }
}

/* Yılbaşı Dekoratif Öğeler */
.christmas-decoration {
  position: fixed;
  pointer-events: none;
  z-index: 0;
}

/* Yılbaşı Ağacı */
.christmas-tree {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-bottom: 50px solid var(--christmas-green);
  filter: drop-shadow(0 0 10px rgba(22, 163, 74, 0.5));
}

.christmas-tree::before {
  content: "";
  position: absolute;
  top: 20px;
  left: -25px;
  width: 0;
  height: 0;
  border-left: 25px solid transparent;
  border-right: 25px solid transparent;
  border-bottom: 40px solid var(--christmas-green);
}

.christmas-tree::after {
  content: "";
  position: absolute;
  top: 40px;
  left: -20px;
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 30px solid var(--christmas-green);
}

/* Ağaç gövdesi */
.tree-trunk {
  position: absolute;
  top: 120px;
  left: -8px;
  width: 16px;
  height: 20px;
  background: #8b4513;
  border-radius: 2px;
}

/* Ağaç süsleri */
.tree-ornament {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--christmas-red);
  box-shadow: 0 0 8px rgba(220, 38, 38, 0.8);
  animation: twinkle 2s ease-in-out infinite;
}

.tree-ornament.gold {
  background: var(--christmas-gold);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.8);
}

@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* Yıldız */
.christmas-star {
  position: absolute;
  width: 20px;
  height: 20px;
  top: -10px;
  left: -10px;
  color: var(--christmas-gold);
  font-size: 20px;
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.8);
  animation: star-twinkle 1.5s ease-in-out infinite;
}

@keyframes star-twinkle {
  0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
  50% { opacity: 0.7; transform: scale(1.1) rotate(180deg); }
}

/* Hediye Kutusu */
.gift-box {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--christmas-red);
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 10px rgba(220, 38, 38, 0.4);
  animation: gift-bounce 3s ease-in-out infinite;
}

.gift-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 8px;
  background: var(--christmas-gold);
  border-radius: 4px 4px 0 0;
}

.gift-box::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 8px;
  height: 100%;
  background: var(--christmas-gold);
  border-radius: 4px 0 0 4px;
}

.gift-box.green {
  background: var(--christmas-green);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 10px rgba(22, 163, 74, 0.4);
}

@keyframes gift-bounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(5deg); }
}

/* Noel Baba Silüeti */
.santa-silhouette {
  position: absolute;
  width: 80px;
  height: 100px;
}

.santa-head {
  position: absolute;
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  top: 0;
  left: 15px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.santa-hat {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 25px solid transparent;
  border-right: 25px solid transparent;
  border-bottom: 30px solid var(--christmas-red);
  top: -20px;
  left: 0;
}

.santa-hat::after {
  content: "";
  position: absolute;
  top: 30px;
  left: -15px;
  width: 30px;
  height: 8px;
  background: white;
  border-radius: 4px;
}

.santa-body {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--christmas-red);
  border-radius: 20px 20px 0 0;
  top: 40px;
  left: 10px;
}

.santa-belt {
  position: absolute;
  width: 60px;
  height: 8px;
  background: #000;
  top: 70px;
  left: 10px;
}

.santa-belt::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--christmas-gold);
  border-radius: 50%;
  top: -2px;
  left: 24px;
}

/* Animasyonlu arka plan dekorasyonları */
.floating-decoration {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}