/* ─── SEQRA PEPTIDES — Global Styles ─── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f4f1;
  --fg: #0e0e0e;
  --muted: #888;
  --border: #d8d6d0;
  --accent: #0e0e0e;
  --white: #ffffff;
  --hero-bg: #111;
  --radius: 2px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'EB Garamond', Georgia, serif;
  --transition: 0.18s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

/* ─── AGEGATE ─── */
#agegate {
  position: fixed; inset: 0;
  background: rgba(14,14,14,0.96);
  display: none; align-items: center; justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}
.agegate-box {
  text-align: center;
  color: var(--white);
  padding: 2.5rem;
  max-width: 380px;
  width: 90%;
}
.agegate-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.agegate-sub {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 2rem;
}
.agegate-box p {
  font-size: 0.85rem;
  color: #aaa;
  margin-bottom: 1.6rem;
  line-height: 1.6;
}
.agegate-btns {
  display: flex; gap: 0.75rem; justify-content: center;
}
.btn-enter {
  background: var(--white);
  color: var(--fg);
  border: none;
  padding: 0.65rem 1.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-enter:hover { background: #e0deda; }
.btn-leave {
  background: transparent;
  color: #888;
  border: 1px solid #444;
  padding: 0.65rem 1.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color var(--transition);
}
.btn-leave:hover { border-color: #888; }
.agegate-note {
  font-size: 0.68rem;
  color: #555;
  margin-top: 1.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── NAV ─── */
nav:not(.breadcrumb) {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  height: 54px;
  background: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.12);
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  transition: background 0.3s, border-color 0.3s;
}
nav:not(.breadcrumb).scrolled { background: rgba(245,244,241,0.98); }
nav.dark:not(.breadcrumb) { background: transparent; border-bottom-color: transparent; }
nav.dark:not(.breadcrumb).scrolled { background: rgba(14,14,14,0.92); backdrop-filter: blur(8px); border-bottom-color: rgba(255,255,255,0.08); }

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 0.55rem;
  white-space: nowrap;
  color: var(--fg);
  text-decoration: none;
}
.nav-links {
  display: flex; gap: 2rem; list-style: none;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.nav-links a { opacity: 0.7; transition: opacity var(--transition); }
.nav-links a:hover { opacity: 1; }
.nav-right { display: flex; align-items: center; gap: 1.2rem; }
.nav-cart {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  color: var(--fg);
  background: var(--fg); color: var(--white);
  padding: 0.35rem 0.9rem;
  transition: opacity var(--transition);
  opacity: 1;
  white-space: nowrap;
}
.nav-cart:hover { opacity: 0.85; }
.nav-cart svg { stroke: var(--white); flex-shrink: 0; }
.cart-count {
  background: var(--white);
  color: var(--fg);
  border-radius: 50%;
  width: 17px; height: 17px;
  font-size: 0.62rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  line-height: 1;
  margin-left: 0.1rem;
}
nav.dark .nav-logo,
nav.dark .nav-links a { color: var(--white); }
nav.dark .nav-cart { background: rgba(255,255,255,0.15); color: var(--white); }
nav.dark .nav-cart svg { stroke: var(--white); }

/* ─── HERO ─── */
.hero {
  position: relative;
  width: 100%; height: 100vh; min-height: 600px;
  background: var(--hero-bg);
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
  filter: grayscale(30%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(14,14,14,0.7) 0%, transparent 60%);
}
.hero-content {
  position: relative; z-index: 1;
  padding: 3rem 2.5rem 2.5rem;
  color: var(--white);
  width: 100%;
}
.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 1.2rem;
}
.hero-cta {
  display: inline-block;
  background: var(--white);
  color: var(--fg);
  padding: 0.6rem 1.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  transition: background var(--transition);
}
.hero-cta:hover { background: #ddd; }

/* ─── STATS BAR ─── */
.stats-bar {
  display: flex; align-items: center;
  background: var(--fg);
  color: var(--white);
  padding: 0.9rem 2.5rem;
  gap: 2.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  overflow-x: auto;
  white-space: nowrap;
}
.stats-bar span { opacity: 0.5; }
.stats-item { display: flex; gap: 0.5rem; align-items: baseline; }
.stats-item strong { opacity: 1; font-weight: 600; }

/* ─── FEATURED GRID ─── */
.section { padding: 4rem 2.5rem; }
.section-label {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.section-label::before { content: '◇'; }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  margin-bottom: 2.5rem;
  line-height: 1.1;
}

/* Filter buttons */
.filter-bar {
  display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem;
}
.filter-btn {
  background: transparent; border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--fg); color: var(--white); border-color: var(--fg);
}

/* Search */
.search-wrap { position: relative; margin-bottom: 2rem; max-width: 340px; }
.search-wrap input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 2rem 0.5rem 0;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--fg);
  outline: none;
  transition: border-color var(--transition);
}
.search-wrap input::placeholder { color: var(--muted); }
.search-wrap input:focus { border-color: var(--fg); }
.search-icon {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 0.85rem; color: var(--muted); pointer-events: none;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5px;
}
.product-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--border);
  transition: border-color var(--transition);
  overflow: hidden;
}
.product-card:hover { border-color: var(--fg); }
.product-card-img {
  aspect-ratio: 4/3;
  background: #f8f8f6;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: #ccc;
  letter-spacing: -0.02em;
  overflow: hidden;
  position: relative;
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: contain;
  padding: 0.5rem;
}
.product-card-badge {
  position: absolute; top: 0.8rem; left: 0.8rem;
  display: flex; gap: 0.4rem;
}
.badge {
  font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  background: var(--fg);
  color: var(--white);
  font-weight: 600;
}
.badge-purity { background: #333; }
.badge-soldout { background: #fff; color: #0e0e0e; border: 1px solid #0e0e0e; }
.product-card-body { padding: 1rem 1.1rem 1.1rem; }
.product-cat {
  font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.3rem;
}
.product-card-body h3 {
  font-size: 1rem; font-weight: 600;
  margin-bottom: 0.35rem;
}
.product-card-body p {
  font-size: 0.78rem; color: var(--muted);
  line-height: 1.5; margin-bottom: 0.85rem;
}
.product-card-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.product-price { font-weight: 700; font-size: 0.95rem; }
.btn-add {
  background: var(--fg); color: var(--white);
  border: none;
  padding: 0.4rem 0.9rem;
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-add:hover { background: #333; }
.btn-add.soldout { background: transparent; color: var(--muted); border: 1px solid var(--border); cursor: not-allowed; pointer-events: none; }
.product-card.soldout { opacity: 0.65; }
.product-card.soldout .product-card-img { position: relative; }
.product-card.soldout .product-card-img::after { content: ''; position: absolute; inset: 0; background: rgba(245,244,241,0.5); }

.view-all {
  display: inline-block;
  margin-top: 2.5rem;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 1px;
  transition: opacity var(--transition);
}
.view-all:hover { opacity: 0.6; }

/* ─── HOW IT WORKS ─── */
.how-section {
  background: var(--fg); color: var(--white);
  padding: 5rem 2.5rem;
}
.how-section .section-label { color: rgba(255,255,255,0.4); }
.how-section .section-title { color: var(--white); margin-bottom: 3rem; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}
.how-step-num {
  font-family: var(--font-serif);
  font-size: 3.5rem; line-height: 1;
  color: rgba(255,255,255,0.12);
  margin-bottom: 0.8rem;
}
.how-step h3 {
  font-size: 1.1rem; font-weight: 600;
  margin-bottom: 0.4rem;
}
.how-step p { font-size: 0.82rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ─── ABOUT STRIP ─── */
.about-strip {
  display: flex; align-items: center; gap: 5rem;
  padding: 4rem 2.5rem;
  border-top: 1px solid var(--border);
}
.about-strip .strip-logo {
  font-family: var(--font-serif);
  font-size: 1.6rem; white-space: nowrap;
  opacity: 0.15; flex-shrink: 0;
}
.about-strip p {
  font-size: 0.82rem; color: var(--muted); line-height: 1.7; max-width: 540px;
}

/* ─── FOOTER ─── */
footer {
  background: var(--fg); color: var(--white);
  padding: 3rem 2.5rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}
.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem; margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.footer-brand p { font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.6; }
footer h4 {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1rem;
}
footer ul { list-style: none; }
footer ul li { margin-bottom: 0.5rem; }
footer ul a {
  font-size: 0.82rem; color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
footer ul a:hover { color: var(--white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.68rem; color: rgba(255,255,255,0.3);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ─── SHOP PAGE ─── */
.shop-header {
  padding: 8rem 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.shop-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
}
.shop-controls {
  padding: 1.5rem 2.5rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

/* ─── PRODUCT PAGE ─── */
.product-page {
  padding: 5.5rem 2.5rem 4rem;
  max-width: 1200px; margin: 0 auto;
}
.breadcrumb {
  position: static !important;
  background: none !important;
  box-shadow: none !important;
  border: none !important;
  height: auto !important;
  padding: 0 !important;
  display: flex; gap: 0.5rem; align-items: center;
  font-size: 0.72rem; letter-spacing: 0.08em; color: var(--muted);
  margin-bottom: 2.5rem;
}
.breadcrumb a:hover { color: var(--fg); }
.breadcrumb span { opacity: 0.4; }
.product-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
}
.product-image-wrap {
  aspect-ratio: 1;
  background: #f8f8f6;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
}
.product-image-wrap img { width: 100%; height: 100%; object-fit: contain; padding: 2rem; }
.product-image-wrap .big-name {
  position: absolute;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4rem);
  color: #ddd;
  text-align: center; padding: 1rem;
  letter-spacing: -0.02em;
}
.product-badges { display: flex; gap: 0.5rem; margin-bottom: 0.8rem; }
.product-info h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400; margin-bottom: 0.6rem;
}
.product-short { font-size: 0.9rem; color: var(--muted); margin-bottom: 2rem; line-height: 1.6; }
.product-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  border: 1px solid var(--border); margin-bottom: 2rem;
}
.spec-item {
  padding: 0.75rem 1rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.spec-item:nth-child(2n) { border-right: none; }
.spec-label { font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.spec-value { font-size: 0.85rem; font-weight: 500; }
.mechanism-box {
  background: #f0ede8; padding: 1.2rem; margin-bottom: 2rem;
  font-size: 0.82rem; line-height: 1.7; color: #444;
  border-left: 2px solid var(--fg);
}
.mechanism-box strong { display: block; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem; }
.tier-tag {
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.tier-tag::before { content: '◇'; }
.product-buy { display: flex; gap: 1rem; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; }
.product-price-big { font-size: 1.6rem; font-weight: 700; }
.price-currency { font-size: 0.8rem; font-weight: 400; color: var(--muted); }
.qty-control {
  display: flex; align-items: center; border: 1px solid var(--border);
}
.qty-btn {
  background: transparent; border: none;
  width: 36px; height: 36px;
  font-size: 1.1rem; color: var(--fg);
  transition: background var(--transition);
}
.qty-btn:hover { background: var(--border); }
.qty-input {
  width: 40px; text-align: center;
  border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  height: 36px; font-size: 0.9rem; font-family: inherit;
  background: transparent; outline: none;
}
.btn-primary {
  background: var(--fg); color: var(--white);
  border: none; padding: 0 2rem; height: 42px;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 600; transition: background var(--transition); flex: 1;
}
.btn-primary:hover { background: #333; }
.product-trust {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  font-size: 0.7rem; color: var(--muted); letter-spacing: 0.08em;
}
.product-trust span::before { content: '◇ '; }

/* ─── COA LINKS (product page) ─── */
.product-coa {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.product-coa .coa-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.65rem;
}
.product-coa .coa-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.coa-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.coa-link:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.coa-link svg { flex-shrink: 0; }

/* ─── FAQ PAGE ─── */
.faq-page { padding: 8rem 2.5rem 5rem; max-width: 680px; margin: 0 auto; }
.faq-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 400; margin-bottom: 3rem;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 0;
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer; gap: 1rem;
  transition: color var(--transition);
}
.faq-q:hover { color: var(--muted); }
.faq-icon { font-size: 1.2rem; flex-shrink: 0; transition: transform 0.2s; }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.2s;
}
.faq-a-inner { padding-bottom: 1.1rem; font-size: 0.85rem; color: var(--muted); line-height: 1.7; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-a { max-height: 300px; }
.faq-contact {
  margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.faq-contact p { font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem; }

/* ─── CONTACT PAGE ─── */
.contact-page { padding: 8rem 2.5rem 5rem; max-width: 580px; margin: 0 auto; }
.contact-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 400; margin-bottom: 0.5rem;
}
.contact-page .sub { font-size: 0.82rem; color: var(--muted); margin-bottom: 3rem; }
.form-group { margin-bottom: 1.4rem; }
.form-group label {
  display: block; font-size: 0.65rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: transparent;
  border: none; border-bottom: 1px solid var(--border);
  padding: 0.5rem 0;
  font-size: 0.9rem; font-family: inherit; color: var(--fg);
  outline: none; transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--fg); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { appearance: none; cursor: pointer; }
.btn-submit {
  background: var(--fg); color: var(--white);
  border: none; padding: 0.75rem 2.5rem;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 600; margin-top: 0.5rem;
  transition: background var(--transition);
  cursor: pointer;
}
.btn-submit:hover { background: #333; }

/* ─── CART PAGE ─── */
.cart-page { padding: 8rem 2.5rem 5rem; max-width: 800px; margin: 0 auto; }
.cart-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; margin-bottom: 2.5rem;
}
.cart-empty { text-align: center; padding: 4rem 0; color: var(--muted); font-size: 0.9rem; }
.cart-empty a { border-bottom: 1px solid; margin-top: 1rem; display: inline-block; }
.cart-items { border-top: 1px solid var(--border); margin-bottom: 2rem; }
.cart-item {
  display: grid; grid-template-columns: 80px 1fr auto;
  gap: 1.2rem; align-items: center;
  padding: 1.2rem 0; border-bottom: 1px solid var(--border);
}
.cart-item-img {
  aspect-ratio: 1; background: #1a1a1a;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); color: rgba(255,255,255,0.15); font-size: 0.8rem;
  overflow: hidden;
}
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.cart-item-name { font-weight: 600; margin-bottom: 0.2rem; }
.cart-item-cat { font-size: 0.72rem; color: var(--muted); }
.cart-item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 0.5rem; }
.cart-item-price { font-weight: 700; }
.cart-item-remove { font-size: 0.68rem; color: var(--muted); border: none; background: none; cursor: pointer; text-transform: uppercase; letter-spacing: 0.08em; }
.cart-item-remove:hover { color: var(--fg); }
.cart-summary {
  border: 1px solid var(--border); padding: 1.5rem;
  max-width: 340px; margin-left: auto;
}
.cart-summary-row {
  display: flex; justify-content: space-between;
  font-size: 0.85rem; margin-bottom: 0.7rem; color: var(--muted);
}
.cart-summary-row.total { font-weight: 700; font-size: 1rem; color: var(--fg); border-top: 1px solid var(--border); padding-top: 0.7rem; margin-top: 0.3rem; }
.btn-checkout {
  display: block; width: 100%; margin-top: 1.2rem;
  background: var(--fg); color: var(--white);
  border: none; padding: 0.85rem;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 600; text-align: center;
  transition: background var(--transition);
}
.btn-checkout:hover { background: #333; }
.cart-minimum { font-size: 0.72rem; color: var(--muted); margin-top: 0.8rem; text-align: center; }

/* ─── CALCULATOR PAGE ─── */
.calc-page { padding: 8rem 2.5rem 5rem; max-width: 560px; margin: 0 auto; }
.calc-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; margin-bottom: 0.5rem;
}
.calc-page .sub { font-size: 0.82rem; color: var(--muted); margin-bottom: 3rem; }
.calc-result {
  background: var(--fg); color: var(--white);
  padding: 1.5rem; margin-top: 2rem; display: none;
}
.calc-result.visible { display: block; }
.calc-result-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 0.4rem; }
.calc-result-value { font-size: 1.8rem; font-weight: 700; }
.calc-result-sub { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem; }

/* ─── CERTIFICATES PAGE ─── */
.certs-page { padding: 8rem 2.5rem 5rem; max-width: 860px; margin: 0 auto; }
.certs-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; margin-bottom: 0.5rem;
}
.certs-page .sub { font-size: 0.82rem; color: var(--muted); margin-bottom: 3rem; }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1px; }
.cert-card {
  border: 1px solid var(--border); padding: 1.5rem;
  transition: border-color var(--transition);
}
.cert-card:hover { border-color: var(--fg); }
.cert-name { font-weight: 600; margin-bottom: 0.25rem; }
.cert-purity { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 0.2rem; }
.cert-batch { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* ─── TOAST ─── */
#toast {
  position: fixed; bottom: 2rem; right: 2rem;
  background: var(--fg); color: var(--white);
  padding: 0.75rem 1.4rem;
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  z-index: 9998; opacity: 0; transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }

/* ─── HELIO CHECKOUT MODAL ─── */
#helio-modal {
  position: fixed; inset: 0; z-index: 9990;
  background: rgba(14,14,14,0.7); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
}
#helio-modal.open { display: flex; }
.moonpay-box {
  background: var(--white); width: min(480px, 95vw);
  max-height: 90vh; overflow: auto;
}
.moonpay-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border);
}
.moonpay-header h3 { font-size: 0.9rem; font-weight: 600; }
.moonpay-close {
  background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--muted);
}
.moonpay-body { padding: 1.5rem; }
.moonpay-body p { font-size: 0.82rem; color: var(--muted); margin-bottom: 1.2rem; line-height: 1.6; }
.moonpay-items { border: 1px solid var(--border); margin-bottom: 1.5rem; }
.moonpay-item {
  display: flex; justify-content: space-between;
  padding: 0.75rem 1rem; font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.moonpay-item:last-child { border-bottom: none; }
.moonpay-total {
  display: flex; justify-content: space-between;
  padding: 0.75rem 1rem; font-weight: 700; font-size: 0.95rem;
  background: #f5f4f1;
}
.btn-moonpay {
  display: block; width: 100%;
  background: #7B61FF; color: white;
  border: none; padding: 0.85rem;
  font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; cursor: pointer;
  transition: background 0.2s;
}
.btn-moonpay:hover { background: #6548e8; }
.moonpay-note { font-size: 0.65rem; color: var(--muted); text-align: center; margin-top: 0.8rem; }

/* ─── RELATED ─── */
.related-section { padding: 4rem 2.5rem; border-top: 1px solid var(--border); }
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  nav { padding: 0 1.2rem; }
  .section, .how-section, .about-strip { padding: 3rem 1.2rem; }
  .stats-bar { padding: 0.8rem 1.2rem; gap: 1.5rem; }
  .product-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .shop-header, .faq-page, .contact-page, .cart-page, .calc-page, .certs-page { padding-left: 1.2rem; padding-right: 1.2rem; }
  .shop-controls { padding: 1.2rem; }
  .how-steps { gap: 2rem; }
  .about-strip { flex-direction: column; gap: 1.5rem; }

  /* ── Hero video: shorter on mobile, less bandwidth ── */
  .hero { height: 65vh; min-height: 420px; }
  .hero-video { object-position: center center; }

  /* ── Sticky add-to-cart bar ── */
  .sticky-cart-bar {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
    background: var(--fg); color: var(--white);
    padding: 0.75rem 1.2rem;
    align-items: center; gap: 0.75rem;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.18);
    transform: translateY(100%);
    transition: transform 0.3s ease;
  }
  .sticky-cart-bar.visible { transform: translateY(0); }
  .sticky-bar-price { font-size: 1rem; font-weight: 700; flex: 1; }
  .sticky-bar-qty { display: flex; align-items: center; border: 1px solid rgba(255,255,255,0.25); }
  .sticky-bar-qty button {
    background: transparent; border: none; color: var(--white);
    width: 32px; height: 36px; font-size: 1rem;
  }
  .sticky-bar-qty input {
    width: 34px; text-align: center;
    border: none; border-left: 1px solid rgba(255,255,255,0.25); border-right: 1px solid rgba(255,255,255,0.25);
    height: 36px; font-size: 0.85rem; font-family: inherit;
    background: transparent; color: var(--white); outline: none;
  }
  .sticky-bar-btn {
    background: var(--white); color: var(--fg);
    border: none; padding: 0 1.2rem; height: 36px;
    font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
  }
  /* push page content above the bar when it's visible */
  body.sticky-cart-active { padding-bottom: 64px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .product-specs { grid-template-columns: 1fr; }
  .spec-item { border-right: none; }
  .cart-item { grid-template-columns: 60px 1fr; }
  .cart-item-right { grid-column: 2; }

  /* Even shorter hero on small phones */
  .hero { height: 55vh; min-height: 340px; }
}

/* Sticky bar hidden on desktop */
.sticky-cart-bar { display: none; }