/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #1a1a2e;
  background: #f0f4f8;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { font-size: 1.3rem; font-weight: 800; color: #1a1a2e; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: #555; transition: color 0.2s; }
.nav-links a:hover { color: #1a1a2e; }
.btn-nav {
  background: #1a1a2e !important; color: #fff !important;
  padding: 10px 22px; border-radius: 50px; font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(26,26,46,0.3); }

/* Burger */
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { width: 24px; height: 2.5px; background: #1a1a2e; border-radius: 2px; transition: 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #e8f4f8 0%, #d0e8f2 30%, #f5f0ff 70%, #eef2ff 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 70px;
}
.snowfall { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.snowflake {
  position: absolute; color: #fff; font-size: 14px; opacity: 0.7;
  animation: snowfall linear infinite;
  text-shadow: 0 0 4px rgba(255,255,255,0.8);
}
@keyframes snowfall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-text { animation: fadeUp 0.8s ease-out; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.badge {
  display: inline-block; background: rgba(255,165,0,0.12); color: #d4760a;
  font-weight: 600; font-size: 0.85rem; padding: 6px 16px;
  border-radius: 50px; margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900;
  line-height: 1.15; margin-bottom: 20px;
}
.highlight {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { font-size: 1.15rem; color: #555; max-width: 480px; margin-bottom: 24px; }
.hero-price { display: flex; align-items: baseline; gap: 14px; margin-bottom: 28px; }
.price-old { font-size: 1.3rem; color: #aaa; text-decoration: line-through; }
.price-new { font-size: 2.2rem; font-weight: 900; color: #1a1a2e; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { font-size: 0.85rem; color: #888; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px; border-radius: 50px; font-weight: 600;
  font-size: 1rem; transition: all 0.25s; cursor: pointer; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #6366f1); color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(99,102,241,0.45); }
.btn-outline {
  background: transparent; color: #1a1a2e;
  border: 2px solid #d0d5dd;
}
.btn-outline:hover { border-color: #1a1a2e; background: #f8f9fa; }
.btn-cta {
  background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff;
  font-size: 1.15rem; padding: 18px 40px;
  box-shadow: 0 4px 25px rgba(245,158,11,0.4);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 35px rgba(245,158,11,0.5); }

/* Jacket card */
.hero-visual { display: flex; justify-content: center; animation: fadeUp 1s ease-out 0.2s both; }
.jacket-card {
  position: relative; width: 320px; height: 380px;
  background: #fff; border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  overflow: visible;
}
.jacket-icon { font-size: 10rem; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.1)); }
.jacket-glow {
  position: absolute; inset: -20px; border-radius: 30px;
  background: radial-gradient(circle at 60% 40%, rgba(99,102,241,0.08), transparent 70%);
  z-index: -1;
}
.beer-hole {
  position: absolute; right: -10px; top: 40%;
  width: 70px; height: 70px; border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
  animation: beerPulse 2s ease-in-out infinite;
}
.beer-pulse {
  position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(245,158,11,0.3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes beerPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.15); opacity: 0; } }
.beer-icon { font-size: 2rem; }
.label-hole {
  position: absolute; right: -50px; top: 56%;
  font-size: 0.75rem; font-weight: 700; color: #d97706;
  background: rgba(245,158,11,0.1); padding: 4px 10px;
  border-radius: 20px; white-space: nowrap;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  text-align: center; color: #999; font-size: 0.8rem; z-index: 2;
}
.scroll-arrow { animation: bounce 1.5s ease-in-out infinite; font-size: 1.2rem; margin-top: 4px; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ===== FEATURES ===== */
.features { padding: 100px 0; background: #fff; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; background: #eef2ff; color: #6366f1;
  font-weight: 600; font-size: 0.85rem; padding: 6px 16px;
  border-radius: 50px; margin-bottom: 16px;
}
.section-header h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.section-header p { color: #777; font-size: 1.05rem; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: #f8fafc; border: 1px solid #eef2f6;
  border-radius: 20px; padding: 36px 28px;
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0; transform: translateY(30px);
}
.feature-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s, transform 0.5s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.07); }
.feature-icon { font-size: 2.6rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: #666; font-size: 0.92rem; line-height: 1.6; }

/* ===== HOW IT WORKS ===== */
.how-it-works { padding: 80px 0; background: linear-gradient(180deg, #fff, #f0f4f8); }
.steps { display: flex; align-items: flex-start; justify-content: center; gap: 20px; flex-wrap: wrap; }
.step {
  background: #fff; border: 1px solid #eef2f6; border-radius: 20px;
  padding: 36px 28px; text-align: center; flex: 1; min-width: 220px; max-width: 280px;
  position: relative; transition: transform 0.3s;
}
.step:hover { transform: translateY(-4px); }
.step-num {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #6366f1); color: #fff;
  font-weight: 700; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
}
.step-icon { font-size: 2.5rem; margin-bottom: 14px; margin-top: 8px; }
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.step p { color: #666; font-size: 0.88rem; }
.step-arrow {
  font-size: 1.5rem; color: #ccc; align-self: center;
  margin-top: -30px;
}

/* ===== TARIFFS ===== */
.tariffs { padding: 100px 0; background: #f0f4f8; }
.tariffs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.tariff-card {
  background: #fff; border: 2px solid #eef2f6; border-radius: 24px;
  padding: 40px 28px; text-align: center; position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.tariff-card:hover { transform: translateY(-6px); box-shadow: 0 16px 50px rgba(0,0,0,0.08); }
.tariff-card.popular {
  border-color: #6366f1;
  box-shadow: 0 10px 40px rgba(99,102,241,0.12);
  transform: scale(1.04);
}
.tariff-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.tariff-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff;
  font-weight: 700; font-size: 0.8rem; padding: 6px 18px;
  border-radius: 50px; white-space: nowrap;
}
.tariff-name { font-size: 1.1rem; font-weight: 700; color: #888; margin-bottom: 10px; margin-top: 8px; }
.tariff-price { font-size: 2.4rem; font-weight: 900; margin-bottom: 8px; }
.tariff-desc { color: #777; font-size: 0.9rem; margin-bottom: 24px; }
.tariff-features { text-align: left; margin-bottom: 28px; }
.tariff-features li {
  padding: 8px 0; font-size: 0.92rem; color: #444;
  border-bottom: 1px solid #f0f0f0;
  padding-left: 28px; position: relative;
}
.tariff-features li::before {
  content: '✓'; position: absolute; left: 0;
  color: #22c55e; font-weight: 700;
}
.tariff-btn { width: 100%; }

/* ===== REVIEWS ===== */
.reviews { padding: 100px 0; background: #fff; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
  background: #f8fafc; border: 1px solid #eef2f6;
  border-radius: 20px; padding: 28px;
  transition: transform 0.3s;
  opacity: 0; transform: translateY(20px);
}
.review-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s, transform 0.5s; }
.review-card:hover { transform: translateY(-4px); }
.review-stars { font-size: 0.9rem; margin-bottom: 12px; }
.review-text { font-size: 0.92rem; color: #555; line-height: 1.7; margin-bottom: 18px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: #eef2ff; display: flex; align-items: center;
  justify-content: center; font-size: 1.3rem;
}
.author-name { font-weight: 700; font-size: 0.9rem; }
.author-tag { font-size: 0.78rem; color: #999; }

/* ===== CTA ===== */
.cta { padding: 100px 0; background: linear-gradient(160deg, #1a1a2e 0%, #2d2b55 50%, #1a1a2e 100%); }
.cta-box {
  text-align: center; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px; padding: 60px 40px;
  backdrop-filter: blur(10px);
}
.cta-snowflakes { font-size: 2rem; margin-bottom: 16px; opacity: 0.6; }
.cta h2 { color: #fff; font-size: 2.4rem; font-weight: 900; margin-bottom: 14px; }
.cta p { color: #b0b8c8; font-size: 1.05rem; max-width: 500px; margin: 0 auto 30px; }
.cta-timer { margin-bottom: 32px; }
.timer-label { color: #9ca3af; font-size: 0.85rem; display: block; margin-bottom: 12px; }
.timer-digits { display: flex; justify-content: center; gap: 8px; }
.timer-block {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 10px 18px; min-width: 64px; text-align: center;
}
.timer-block span { font-size: 1.8rem; font-weight: 800; color: #fff; display: block; }
.timer-block small { font-size: 0.75rem; color: #9ca3af; }
.timer-sep { font-size: 1.8rem; font-weight: 800; color: #6366f1; align-self: flex-start; padding-top: 10px; }
.cta-buttons { margin-bottom: 20px; }
.cta-guarantee { color: #6b7280; font-size: 0.82rem; }

/* ===== FOOTER ===== */
.footer { background: #0f0f1a; color: #9ca3af; padding: 60px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand .logo { color: #fff; display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.6; }
.footer-links { display: flex; gap: 60px; }
.footer-col h4 { color: #fff; font-weight: 700; margin-bottom: 14px; font-size: 0.9rem; }
.footer-col a { display: block; font-size: 0.88rem; padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-bottom p { font-size: 0.8rem; text-align: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-note { margin: 0 auto; }
  .jacket-card { width: 260px; height: 320px; margin: 0 auto; }
  .jacket-icon { font-size: 7rem; }
  .beer-hole { right: -5px; width: 58px; height: 58px; }
  .beer-icon { font-size: 1.5rem; }
  .label-hole { right: -52px; font-size: 0.65rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .tariffs-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .tariff-card.popular { transform: none; }
  .tariff-card.popular:hover { transform: translateY(-6px); }
  .reviews-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .step-arrow { display: none; }
  .steps { flex-direction: column; align-items: center; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; padding: 24px; gap: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }
  .burger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .price-new { font-size: 1.7rem; }
  .cta-box { padding: 40px 20px; }
  .cta h2 { font-size: 1.6rem; }
  .timer-block { min-width: 50px; padding: 8px 12px; }
  .timer-block span { font-size: 1.3rem; }
}
