/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6a6a6a;
  --border: #e5e5e5;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --green: #16a34a;
  --badge-bg: #fef3c7;
  --badge-text: #92400e;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
}

.site-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.site-nav a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.site-nav a:hover { color: var(--text); }

/* ===== HERO ===== */
.hero {
  padding: 72px 0 64px;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  display: inline-block;
}

.hero-tagline {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-image {
  width: 100%;
  max-width: 680px;
  margin: 0 auto 48px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--text);
  color: #fff;
}

.btn--primary:hover { background: #333; }

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn--secondary:hover { border-color: #aaa; }

.btn--small {
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* ===== SECTION ===== */
.section {
  padding: 56px 0;
}

.section + .section { border-top: 1px solid var(--border); }

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 32px;
  text-align: center;
}

/* ===== BUNDLE BANNER ===== */
.bundle-banner {
  background: var(--text);
  color: #fff;
  border-radius: 12px;
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.bundle-banner-text h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.bundle-banner-text p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9375rem;
}

.bundle-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.bundle-price-block {
  text-align: right;
}

.bundle-price-block .was {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  text-decoration: line-through;
}

.bundle-price-block .price {
  font-size: 2rem;
  font-weight: 700;
}

.bundle-price-block .sub {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}

.product-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.product-info {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.product-price {
  font-size: 1.125rem;
  font-weight: 700;
}

.buy-btn {
  background: var(--text);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
  display: inline-block;
  text-align: center;
}

.buy-btn:hover { background: #333; }

/* ===== SIZE INFO ===== */
.size-section {
  padding: 40px 0 56px;
}

.size-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.size-card {
  text-align: center;
  padding: 20px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.size-card .size { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.size-card .cm { font-size: 0.8125rem; color: var(--muted); }

/* ===== HOW IT WORKS ===== */
.how-section {
  background: #fafafa;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.how-item { text-align: center; }

.how-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.how-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.how-item p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== LEGAL ===== */
.legal-page {
  padding: 64px 0 80px;
}

.legal-page h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 32px 0 12px;
}

.legal-page p, .legal-page li {
  font-size: 0.9375rem;
  color: #444;
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-page ul { padding-left: 20px; }

.legal-page .legal-divider { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* ===== SUCCESS PAGE ===== */
.success-page {
  padding: 80px 0;
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
}

.success-page h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-page p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 440px;
  margin: 0 auto 32px;
}

.success-page .email-note {
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  max-width: 440px;
  margin: 0 auto 32px;
  font-size: 0.875rem;
  color: var(--muted);
}

.success-page .email-note strong { color: var(--text); }

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text); }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 1.875rem; }
  .bundle-banner { flex-direction: column; padding: 32px; }
  .bundle-price-block { text-align: left; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-info { padding: 12px 14px 14px; }
  .product-footer { flex-direction: column; gap: 8px; align-items: stretch; }
  .buy-btn { width: 100%; }
  .section { padding: 40px 0; }
  .site-nav { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 400px) {
  .product-grid { grid-template-columns: 1fr; }
}