/* Dark Premium Theme Variables */
:root {
  --clr-bg: #1a1a1a;
  --clr-bg-alt: #242424;
  --clr-card: #2a2a2a;
  --clr-card-border: #3a3a3a;
  --clr-text: #f0f0f0;
  --clr-muted: #999999;
  --clr-cta: #ff6d00;
  --clr-cta-hover: #e65100;
  --clr-accent: #ffab40;
  --clr-cta-shadow: rgba(255,109,0,0.4);
  --radius: 2px;
  --radius-card: 8px;
  --radius-btn: 4px;
  --font: 'Roboto', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --max-w: 520px;
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--clr-text);
  background: var(--clr-bg);
  padding-top: 0;
  overflow-x: hidden;
}

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.lb { padding: 48px 0; }
.lb--alt { background: var(--clr-bg-alt); }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-family: var(--font); }
.section-title {
  font-size: clamp(24px, 5vw, 28px);
  font-weight: 900;
  text-align: center;
  margin-bottom: 32px;
  color: var(--clr-text);
}
.section-subtitle {
  text-align: center;
  color: var(--clr-muted);
  font-size: 15px;
  margin-top: -20px;
  margin-bottom: 28px;
}

/* Section Divider */
.section-divider {
  height: 1px;
  background: var(--clr-card-border);
  margin: 0;
}

/* Images */
.img-square {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: var(--radius);
  width: 100%;
  max-width: 100%;
}
.img-square img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

/* Buttons */
.btn {
  display: block;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font);
  text-align: center;
  line-height: 1.2;
  outline: 0;
  min-height: 48px;
  margin: 16px auto;
  max-width: 400px;
  width: 100%;
}
.btn-cta {
  background: var(--clr-cta);
  color: #fff;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 20px var(--clr-cta-shadow);
}
.btn-cta:hover {
  background: var(--clr-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--clr-cta-shadow);
}
.btn-cta:active {
  transform: translateY(0);
}
.btn-block {
  width: 100%;
  margin-top: 16px;
}

/* Discount Badge */
.discount-badge {
  display: inline-block;
  background: linear-gradient(135deg, #e53935, #ff7043);
  color: #fff;
  padding: 8px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

/* Hero */
.hero { text-align: center; }
.hero__title {
  font-size: clamp(28px, 6vw, 36px);
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--clr-text);
}
.hero__subtitle {
  font-size: 17px;
  color: var(--clr-muted);
  margin-bottom: 32px;
  line-height: 1.5;
}
.hero__image {
  width: 100%;
  margin: 0 auto 24px;
}
.hero__features {
  list-style: none;
  margin-bottom: 32px;
}
.hero__features li {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--clr-text);
}

/* Price Box */
.price-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--clr-card);
  border: 1px solid var(--clr-card-border);
  border-radius: var(--radius-card);
  padding: 24px 32px;
  margin: 32px auto;
  max-width: 480px;
  text-align: center;
  box-shadow: var(--shadow);
}
.price-box__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  padding: 0 16px;
}
.price-box__divider {
  width: 1px;
  height: 60px;
  background: var(--clr-card-border);
  flex-shrink: 0;
}
.price-box__label {
  font-size: 13px;
  color: var(--clr-muted);
  font-weight: 600;
}
.price-box__old {
  font-size: 24px;
  font-weight: 700;
  color: #666;
  text-decoration: line-through;
}
.price-box__new {
  font-size: 36px;
  font-weight: 900;
  color: var(--clr-cta);
  line-height: 1;
}

/* Countdown */
.countdown-wrap {
  text-align: center;
  margin: 32px auto;
  max-width: 400px;
}
.countdown-wrap__heading {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--clr-text);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.countdown-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.countdown-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 60px;
  background: var(--clr-cta);
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  border-radius: var(--radius-card);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.countdown-unit small {
  font-size: 10px;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.countdown-sep {
  font-size: 24px;
  font-weight: 900;
  color: var(--clr-accent);
  margin-bottom: 20px;
  line-height: 1;
}
.countdown-note {
  margin-top: 16px;
  color: var(--clr-muted);
  font-size: 14px;
}

/* Color Variants */
.colors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.color-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-card-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.color-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,109,0,0.15);
}

/* Slider */
.slider-section {
  padding: 48px 0;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.feature-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-card-border);
  border-radius: var(--radius-card);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
}
.feature-card__icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.feature-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--clr-text);
}
.feature-card__text {
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.5;
}

/* Specs */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 32px;
}
.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--clr-card-border);
}
.spec-label {
  font-weight: 600;
  color: var(--clr-muted);
}
.spec-value {
  font-weight: 700;
  color: var(--clr-text);
}

/* Reviews */
.reviews-list {
  display: grid;
  gap: 20px;
  margin-bottom: 32px;
}
.review-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-card-border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow);
}
.review-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  margin-right: 15px;
}
.review-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.review-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--clr-text);
}
.review-stars {
  font-size: 14px;
  color: #f39c12;
}
.review-text {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--clr-text);
}
.review-photo {
  max-width: 200px;
  margin-bottom: 16px;
}
.manager-reply {
  background: #333;
  padding: 12px;
  border-radius: var(--radius-card);
  font-size: 14px;
  color: var(--clr-muted);
}
.manager-reply strong {
  color: var(--clr-accent);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0;
}
.faq-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--clr-card-border);
}
.faq-question {
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-text);
  display: block;
  margin-bottom: 8px;
}
.faq-answer {
  font-size: 15px;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* Order Section */
.order-section {
  text-align: center;
}
.order-content {
  display: grid;
  gap: 32px;
  margin-bottom: 32px;
}
.order-image {
  max-width: 280px;
  margin: 0 auto;
}

/* Form Styles */
.order-form {
  max-width: 400px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
  text-align: left;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--clr-text);
}
.form-group input {
  width: 100%;
  padding: 16px;
  border: 2px solid var(--clr-card-border);
  border-radius: var(--radius-card);
  font-size: 16px;
  font-family: var(--font);
  background: var(--clr-card);
  color: var(--clr-text);
  transition: border-color 0.3s ease;
}
.form-group input:focus {
  outline: none;
  border-color: var(--clr-cta);
}
.form-group input::placeholder {
  color: #666;
}
.order-note {
  font-size: 14px;
  color: var(--clr-muted);
  text-align: center;
  margin-top: 12px;
}

/* Footer */
.footer {
  background: #111;
  color: var(--clr-muted);
  text-align: center;
  padding: 32px 20px;
}
.footer a {
  color: var(--clr-accent);
  text-decoration: none;
}
.footer a:hover {
  text-decoration: underline;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .lb {
    padding: 40px 0;
  }
  .price-box {
    padding: 20px;
    max-width: 90%;
  }
  .countdown-num {
    width: 48px;
    height: 56px;
    font-size: 24px;
  }
  .hero__image {
    width: 100%;
  }
  .colors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

/* Desktop */
@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
  .hero__title {
    font-size: 42px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .order-content {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
  .colors-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}