:root {
  --bg: #f5f2ec;
  --ink: #111111;
  --muted: #6e6a61;
  --line: #ded8cd;
  --card: #fffaf2;
  --accent: #d9ff53;
  --dark: #111111;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 5vw, 64px);
  background: rgba(245, 242, 236, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(17,17,17,0.08);
}
.brand { font-size: 28px; font-weight: 800; letter-spacing: -0.08em; }
.brand span { color: var(--muted); }
.nav { display: flex; gap: 28px; color: var(--muted); font-weight: 600; font-size: 14px; }
.nav a:hover { color: var(--ink); }
.header-cta, .button, .signup button, .add-to-cart, .notify {
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}
.header-cta { padding: 10px 16px; background: var(--ink); color: var(--bg); font-size: 14px; }
.hero {
  min-height: 76vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
  padding: 76px clamp(20px, 5vw, 64px) 56px;
}
.eyebrow { text-transform: uppercase; letter-spacing: .16em; color: var(--muted); font-size: 12px; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(56px, 9vw, 128px); line-height: .84; letter-spacing: -0.08em; margin-bottom: 28px; }
h2 { font-size: clamp(38px, 6vw, 76px); line-height: .92; letter-spacing: -0.07em; margin-bottom: 18px; }
h3 { font-size: 24px; letter-spacing: -0.04em; margin-bottom: 12px; }
.lede { font-size: clamp(18px, 2vw, 24px); line-height: 1.45; color: var(--muted); max-width: 640px; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.button { padding: 14px 22px; display: inline-flex; align-items: center; }
.primary { background: var(--ink); color: var(--bg); }
.secondary { background: transparent; }
.product-visual {
  min-height: 520px;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 40px;
  background: radial-gradient(circle at 50% 30%, #ffffff 0%, #eee8dc 58%, #dfd7c9 100%);
  overflow: hidden;
}
.product-visual:before {
  content: "";
  position: absolute;
  width: 78%; height: 78%;
  border: 1px solid rgba(17,17,17,.1);
  border-radius: 50%;
}
.tube {
  position: absolute;
  width: 370px;
  height: 112px;
  border: 2px solid var(--ink);
  border-radius: 70px 22px 22px 70px;
  background: var(--card);
  box-shadow: 0 26px 60px rgba(17,17,17,.16);
  display: flex;
  align-items: center;
  padding: 0 34px;
}
.tube span { font-size: 54px; font-weight: 800; letter-spacing: -0.08em; }
.tube small { margin-left: auto; width: 86px; font-weight: 800; text-transform: uppercase; font-size: 10px; letter-spacing: .08em; line-height: 1.2; }
.tube-front { transform: rotate(-9deg) translateY(20px); }
.tube-back { transform: rotate(14deg) translateY(-105px); opacity: .45; }
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.strip span { padding: 18px; text-align: center; font-weight: 800; border-right: 1px solid var(--ink); }
.strip span:last-child { border-right: 0; }
.section { padding: 92px clamp(20px, 5vw, 64px); }
.section-heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 32px; }
.section-heading p:last-child { color: var(--muted); font-size: 18px; max-width: 280px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 30px;
  overflow: hidden;
}
.product-card { min-height: 520px; display: flex; flex-direction: column; }
.product-card:before { content: ""; display: block; height: 1px; }
.mini-tube, .mini-bottle, .mini-jar {
  margin: 40px auto 20px;
  border: 2px solid var(--ink);
  background: #fdf7ed;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.08em;
}
.mini-tube { width: 250px; height: 78px; border-radius: 48px 18px 18px 48px; transform: rotate(-8deg); font-size: 34px; }
.mini-bottle { width: 112px; height: 230px; border-radius: 24px 24px 38px 38px; font-size: 26px; }
.mini-jar { width: 170px; height: 130px; border-radius: 28px 28px 48px 48px; font-size: 30px; margin-top: 90px; }
.card-body { margin-top: auto; padding: 28px; }
.product-type { color: var(--muted); text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: .13em; }
.product-desc { color: var(--muted); line-height: 1.55; min-height: 74px; }
.purchase-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 24px; }
.add-to-cart, .notify { padding: 11px 15px; background: var(--ink); color: var(--bg); }
.notify { background: transparent; color: var(--ink); }
.muted { opacity: .86; }
.standards { display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: center; background: var(--dark); color: var(--bg); }
.standards p { color: #c6c0b5; font-size: 18px; line-height: 1.6; }
.standards-list { display: grid; gap: 12px; }
.standards-list div { display: flex; justify-content: space-between; gap: 20px; border: 1px solid rgba(255,255,255,.18); border-radius: 22px; padding: 24px; font-size: 22px; font-weight: 800; }
.standards-list strong { color: var(--accent); }
.about { max-width: 1080px; }
.about p:last-child { max-width: 720px; color: var(--muted); font-size: 20px; line-height: 1.55; }
.contact { display: flex; justify-content: space-between; gap: 32px; align-items: center; border-top: 1px solid var(--line); }
.signup { display: grid; grid-template-columns: minmax(220px, 340px) auto; gap: 10px; }
.signup input { border: 1px solid var(--ink); border-radius: 999px; padding: 16px 18px; background: transparent; font: inherit; }
.signup button { background: var(--ink); color: var(--bg); padding: 16px 22px; }
.signup p { grid-column: 1 / -1; color: var(--muted); min-height: 20px; margin: 4px 0 0; }
.footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px clamp(20px, 5vw, 64px); border-top: 1px solid var(--line); color: var(--muted); }
.footer .brand { color: var(--ink); }
.footer-links { display: flex; gap: 20px; align-items: center; }
.footer-order { padding: 0; background: transparent; color: inherit; font: inherit; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.show { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,.46);
  backdrop-filter: blur(6px);
}
.modal-card {
  position: relative;
  max-width: 560px;
  width: 100%;
  border: 1px solid var(--ink);
  border-radius: 30px;
  background: var(--card);
  padding: 38px;
  box-shadow: 0 28px 90px rgba(0,0,0,.28);
}
.modal-card h2 { font-size: clamp(34px, 5vw, 58px); margin-bottom: 14px; }
.modal-card p { color: var(--muted); font-size: 18px; line-height: 1.55; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  font-size: 26px;
}
.modal-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
body.modal-open { overflow: hidden; }

.toast { position: fixed; right: 20px; bottom: 20px; padding: 14px 18px; border-radius: 16px; background: var(--ink); color: var(--bg); transform: translateY(120px); transition: .25s ease; box-shadow: 0 18px 60px rgba(0,0,0,.18); }
.toast.show { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
@media (max-width: 900px) {
  .nav { display: none; }
  .hero, .standards { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .strip span { border-bottom: 1px solid var(--ink); }
  .section-heading, .contact, .footer { flex-direction: column; align-items: flex-start; }
  .product-visual { min-height: 420px; }
  .tube { width: 300px; }
  .signup { grid-template-columns: 1fr; width: 100%; }
  .signup input, .signup button { width: 100%; }
}