/* ========================================
   PeptideCase.com — Premium Peptide Storage
   ======================================== */

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

:root {
  --bg-dark: #0a0a0a;
  --bg-card: #141414;
  --bg-section: #111;
  --accent: #3F72E5;
  --accent-hover: #5a8af2;
  --text: #f0f0f0;
  --text-muted: #999;
  --text-dim: #666;
  --border: #222;
  --radius: 16px;
  --radius-sm: 8px;
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: .9rem;
  transition: background .2s, transform .15s;
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0d1117 100%);
}

.hero-badge {
  display: inline-block;
  background: rgba(63,114,229,.15);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  margin-bottom: 20px;
  letter-spacing: -.03em;
}

.hero h1 span { color: var(--accent); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all .2s;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(63,114,229,.3);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

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

.trust-number {
  font-family: 'Inter', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.trust-label {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---------- Section ---------- */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.section-alt { background: var(--bg-section); }

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, border-color .2s;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.product-img {
  aspect-ratio: 1;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-img-placeholder {
  color: var(--text-dim);
  font-size: .85rem;
}

.product-info {
  padding: 20px;
}

.product-info h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.product-info .price {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.product-info .desc {
  color: var(--text-muted);
  font-size: .85rem;
  margin-bottom: 16px;
}

.product-info .btn {
  width: 100%;
  justify-content: center;
  padding: 10px 20px;
  font-size: .9rem;
}

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

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.benefit-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.benefit-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.benefit-card p {
  color: var(--text-muted);
  font-size: .9rem;
}

/* ---------- SEO Content ---------- */
.seo-content {
  max-width: 800px;
  margin: 0 auto;
}

.seo-content h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.seo-content h3 {
  font-size: 1.3rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.seo-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.seo-content ul {
  color: var(--text-muted);
  margin: 0 0 16px 24px;
  line-height: 2;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(135deg, #0d1117 0%, #111827 50%, #0d1117 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: .9rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  color: var(--text-dim);
  font-size: .9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-dim);
  font-size: .8rem;
}

/* ---------- Guide / Article ---------- */
.article-hero {
  padding: 80px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.article-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.article-hero p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.article-body p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.article-body ul, .article-body ol {
  color: var(--text-muted);
  margin: 0 0 20px 24px;
  line-height: 2;
}

.article-body strong { color: var(--text); }

.tip-box {
  background: rgba(63,114,229,.08);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

.tip-box p { color: var(--text); margin: 0; }
.tip-box strong { color: var(--accent); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.stat-box .number {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-box .label {
  color: var(--text-muted);
  font-size: .85rem;
  margin-top: 4px;
}

/* ---------- Product Filters ---------- */
.filter-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: .9rem;
  cursor: pointer;
  transition: all .2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Reviews ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  transition: border-color .2s;
}

.review-card:hover { border-color: #333; }

.review-card-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: #1a1a1a;
}

.review-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-card-body { flex: 1; min-width: 0; }

.review-stars {
  color: #f5a623;
  font-size: .9rem;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.review-text {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: 12px;
  font-style: italic;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.review-author {
  font-weight: 600;
  font-size: .85rem;
  color: var(--text);
}

.review-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(34,197,94,.12);
  color: #22c55e;
  font-size: .7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.review-product {
  color: var(--text-dim);
  font-size: .78rem;
  margin-top: 4px;
}

.review-aggregate {
  text-align: center;
  margin-bottom: 40px;
}

.review-aggregate .stars {
  color: #f5a623;
  font-size: 1.6rem;
  letter-spacing: 4px;
}

.review-aggregate .count {
  color: var(--text-muted);
  font-size: .95rem;
  margin-top: 4px;
}

.reviews-expanded {
  display: none;
}

.reviews-expanded.open {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.btn-show-reviews {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 32px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all .2s;
  font-family: 'Roboto', system-ui, sans-serif;
}

.btn-show-reviews:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
  }
  .mobile-toggle { display: block; }

  .reviews-grid { grid-template-columns: 1fr; }
  .review-card { padding: 20px; }

  .hero { padding: 60px 0 50px; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .trust-bar { gap: 24px; }

  .stats-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
}