/* Lumo Skin Co. - base stylesheet
   Editorial / small-press apothecary system. Hand-written CSS.
   Language: publication masthead, oversized serif, hairline rules,
   section numerals, generous margins. One locked accent (clay).
   Palette: paper #f6f1e8, ink #201c18, clay #a7623f (accent), sage #7f8f79 (rare functional tint)
*/

:root {
  /* surfaces */
  --paper: #f6f1e8;
  --paper-2: #efe7da;      /* tinted block */
  --card: #fbf8f2;
  --ink: #201c18;          /* off-black, warm */
  --ink-2: #4c463f;        /* secondary text */
  --ink-3: #7d766b;        /* muted meta */

  /* accent (LOCKED - used identically across every page) */
  --clay: #a7623f;
  --clay-deep: #8a4d2f;
  --clay-tint: #e7d3c4;

  /* rare functional tint (feature band only) */
  --sage: #7f8f79;
  --sage-deep: #62715c;

  /* lines */
  --rule: #ddd2c1;
  --rule-strong: #c7b9a2;

  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Jost", "Helvetica Neue", Arial, sans-serif;

  --measure: 66ch;
  --page-max: 1280px;
  --page-wide: 1500px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);

  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition: 320ms var(--ease);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  line-height: 1.68;
  font-weight: 300;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* faint paper grain, fixed + non-interactive so it never repaints on scroll */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(167, 98, 63, 0.05), transparent 42%),
    radial-gradient(circle at 88% 82%, rgba(127, 143, 121, 0.05), transparent 46%);
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

/* oversized editorial scale */
h1 { font-size: clamp(2.8rem, 1.9rem + 4.4vw, 5.6rem); }
h2 { font-size: clamp(2.1rem, 1.4rem + 3.2vw, 4rem); }
h3 { font-size: clamp(1.4rem, 1.15rem + 1.1vw, 2.1rem); }
h4 { font-size: 1.15rem; letter-spacing: 0; }

em, .serif-italic { font-style: italic; }

p { margin: 0 0 1.15em; }

.lead {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 1rem + 0.55vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 300;
  max-width: 48ch;
}

/* ---------- layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--wide { max-width: var(--page-wide); }
.wrap--narrow { max-width: 780px; }

.section { padding-block: clamp(3.5rem, 2.8rem + 6vw, 8.5rem); }
.section--tight { padding-block: clamp(2.5rem, 2rem + 3vw, 5rem); }

/* eyebrow - used sparingly (max 1 per ~3 sections). letterspaced label */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--clay-deep);
  margin: 0 0 1.3rem;
  display: block;
}

/* editorial section numeral, e.g. N°01 */
.numeral {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.8rem);
  color: var(--clay);
  line-height: 1;
}

.hairline { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.muted { color: var(--ink-2); }
.serif-accent { font-family: var(--font-display); font-style: italic; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 1rem 2rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform 120ms var(--ease), box-shadow var(--transition);
  line-height: 1;
  white-space: nowrap;
}
.btn:hover { background: var(--clay-deep); border-color: var(--clay-deep); color: #fff; }
.btn:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn--ghost:hover { border-color: var(--ink); background: transparent; color: var(--clay-deep); }

.btn--block { width: 100%; justify-content: center; }

.link-underline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink);
  padding-bottom: 4px;
  background-image: linear-gradient(var(--clay), var(--clay));
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: color var(--transition), background-size var(--transition);
}
.link-underline::after { content: "\2192"; transition: transform var(--transition); }
.link-underline:hover { color: var(--clay-deep); background-size: 100% 2px; }
.link-underline:hover::after { transform: translateX(4px); }

/* ---------- header / masthead ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow var(--transition);
}
.site-header[data-stuck="true"] { box-shadow: 0 1px 24px rgba(32, 28, 24, 0.06); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
  transition: min-height var(--transition);
}
.site-header[data-stuck="true"] .nav { min-height: 62px; }

.brandmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.brandmark svg { width: 28px; height: 28px; }
.brandmark span { line-height: 0.95; }
.brandmark small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clay-deep);
  margin-top: 4px;
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.3rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  position: relative;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--ink-2);
  padding-block: 8px;
  transition: color var(--transition);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 1px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 1.1rem; }

.cart-toggle {
  position: relative;
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 6px 2px;
  font-family: var(--font-body);
}
.cart-count {
  min-width: 20px;
  height: 20px;
  padding-inline: 5px;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  font-size: 0.66rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
  font-weight: 500;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px 4px;
}
.burger span {
  width: 24px; height: 1.5px;
  background: var(--ink);
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink);
  color: #cabfb0;
  padding-block: clamp(3rem, 2.5rem + 3vw, 5.5rem);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: start;
}
.site-footer h4 {
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 1.2rem;
}
.site-footer a { color: #cabfb0; transition: color var(--transition); }
.site-footer a:hover { color: var(--clay-tint); }
.footer-brand .brandmark { color: var(--paper); }
.footer-brand .brandmark small { color: var(--clay-tint); }
.footer-brand p { max-width: 36ch; color: #a89e90; margin-top: 1.3rem; font-size: 0.9rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(2.5rem, 4vw, 4rem);
  padding-top: 1.7rem;
  border-top: 1px solid rgba(202, 191, 176, 0.16);
  color: #8b8375;
  font-size: 0.8rem;
}
.footer-note { max-width: 54ch; }

/* ---------- mini cart drawer ---------- */
.cart-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(430px, 100%);
  background: var(--card);
  z-index: 90;
  transform: translateX(100%);
  transition: transform 420ms var(--ease);
  display: flex;
  flex-direction: column;
  box-shadow: -24px 0 70px rgba(32, 28, 24, 0.16);
}
.cart-drawer[data-open="true"] { transform: translateX(0); }
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(32, 28, 24, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  z-index: 80;
  backdrop-filter: blur(2px);
}
.cart-overlay[data-open="true"] { opacity: 1; visibility: visible; }

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.7rem 1.7rem 1.2rem;
  border-bottom: 1px solid var(--rule);
}
.cart-head h3 { font-size: 1.7rem; }
.cart-close {
  background: none; border: 0; cursor: pointer;
  font-size: 1.5rem; line-height: 1; color: var(--ink-2); padding: 4px 8px;
}
.cart-body { flex: 1; overflow-y: auto; padding: 1rem 1.7rem; }
.cart-empty { color: var(--ink-2); padding-block: 2.5rem; text-align: center; font-style: italic; font-family: var(--font-display); font-size: 1.35rem; }

.cart-line {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--rule);
}
.cart-line img { width: 64px; height: 80px; object-fit: cover; border-radius: var(--radius); background: var(--paper); }
.cart-line-title { font-family: var(--font-display); font-size: 1.3rem; line-height: 1.05; }
.cart-line-meta { font-size: 0.78rem; color: var(--ink-2); margin-top: 3px; }
.cart-qty { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.55rem; }
.cart-qty button {
  width: 26px; height: 26px;
  border: 1px solid var(--rule-strong);
  background: transparent; cursor: pointer;
  border-radius: var(--radius); color: var(--ink);
  font-size: 0.9rem; line-height: 1;
  transition: border-color var(--transition), color var(--transition);
}
.cart-qty button:hover { border-color: var(--clay); color: var(--clay-deep); }
.cart-qty span { min-width: 20px; text-align: center; font-size: 0.9rem; }
.cart-line-price { font-size: 0.95rem; white-space: nowrap; font-family: var(--font-display); font-size: 1.05rem; }
.cart-remove { display: block; margin-top: 0.45rem; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); background: none; border: 0; cursor: pointer; padding: 0; text-align: right; }
.cart-remove:hover { color: var(--clay-deep); }

.cart-foot { padding: 1.5rem 1.7rem 1.9rem; border-top: 1px solid var(--rule); }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.1rem; font-size: 0.95rem; letter-spacing: 0.02em; }
.cart-total strong { font-family: var(--font-display); font-size: 1.7rem; font-weight: 500; }
.cart-foot small { display: block; color: var(--ink-2); font-size: 0.78rem; margin-top: 1rem; text-align: center; }

/* ---------- newsletter popup ---------- */
.np-overlay {
  position: fixed;
  inset: 0;
  background: rgba(32, 28, 24, 0.48);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(3px);
}
.np-overlay[data-open="true"] { opacity: 1; visibility: visible; }
.np-card {
  background: var(--card);
  max-width: 460px;
  width: 100%;
  padding: clamp(1.9rem, 4vw, 3rem);
  border-radius: var(--radius);
  position: relative;
  border: 1px solid var(--rule);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition);
}
.np-overlay[data-open="true"] .np-card { transform: none; }
.np-card h3 { font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem); margin-bottom: 0.7rem; }
.np-card p { color: var(--ink-2); font-size: 0.95rem; }
.np-close {
  position: absolute; top: 0.9rem; right: 1.1rem;
  background: none; border: 0; cursor: pointer;
  font-size: 1.5rem; color: var(--ink-2); line-height: 1;
}
.np-form { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 1.3rem; }

/* ---------- forms ---------- */
.field { display: grid; gap: 0.45rem; margin-bottom: 1.3rem; }
.field label {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2); font-weight: 500;
}
.field input,
.field textarea,
.field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.9rem 1.05rem;
  border: 1px solid var(--rule-strong);
  background: var(--card);
  color: var(--ink);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--clay);
  box-shadow: 0 0 0 3px rgba(167, 98, 63, 0.14);
}
.field input::placeholder,
.field textarea::placeholder { color: #a49a8c; }
.field textarea { min-height: 140px; resize: vertical; }
.field-help { font-size: 0.78rem; color: var(--ink-2); }

/* consent checkbox */
.field--consent { margin-bottom: 1.5rem; }
.consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  cursor: pointer;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-2);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 300;
}
.consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  transition: border-color var(--transition), background var(--transition);
}
.consent input[type="checkbox"]::before {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg) scale(0);
  transform-origin: center;
  margin-top: -2px;
  transition: transform 140ms var(--ease);
}
.consent input[type="checkbox"]:checked {
  background: var(--clay);
  border-color: var(--clay);
}
.consent input[type="checkbox"]:checked::before { transform: rotate(-45deg) scale(1); }
.consent input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}
.consent a { color: var(--clay-deep); background-image: linear-gradient(var(--rule-strong), var(--rule-strong)); background-size: 100% 1px; background-position: 0 100%; background-repeat: no-repeat; }
.consent a:hover { background-image: linear-gradient(var(--clay), var(--clay)); }

:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }

/* ---------- product card (editorial) ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px rgba(32, 28, 24, 0.1); border-color: var(--rule-strong); }
.product-card .card-media {
  aspect-ratio: 4 / 5;
  background: var(--paper-2);
  overflow: hidden;
  position: relative;
}
.product-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.product-card:hover .card-media img { transform: scale(1.04); }
.product-card .card-body { padding: 1.6rem 1.6rem 1.8rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.product-card .card-kicker { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3); }
.product-card h3 { font-size: 1.9rem; letter-spacing: -0.015em; }
.product-card .card-desc { font-size: 0.9rem; color: var(--ink-2); margin: 0; }
.product-card .card-foot { margin-top: auto; padding-top: 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--rule); }
.product-card .price { font-family: var(--font-display); font-size: 1.55rem; font-weight: 500; }

/* ---------- utility ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.7rem 1.2rem; z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%) translateY(24px);
  background: var(--ink); color: var(--paper);
  padding: 0.9rem 1.6rem; border-radius: 999px;
  font-size: 0.84rem; letter-spacing: 0.03em;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 120; box-shadow: 0 16px 44px rgba(32, 28, 24, 0.28);
}
.toast[data-show="true"] { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* reveal on scroll (progressive enhancement, staggered via --index) */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 760ms var(--ease), transform 760ms var(--ease);
  transition-delay: calc(var(--index, 0) * 90ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .nav-links {
    position: fixed;
    inset: 72px 0 auto 0;
    background: var(--card);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
    border-bottom: 1px solid var(--rule);
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    box-shadow: 0 28px 44px rgba(32, 28, 24, 0.1);
  }
  .nav-links[data-open="true"] { transform: none; opacity: 1; visibility: visible; }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--rule); }
  .nav-links a { display: block; width: 100%; padding: 1rem 0; font-size: 0.95rem; }
  .nav-links a::after { display: none; }
  .burger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .product-card, .product-card .card-media img { transition: none; }
}