/* Serum4Lashes — Modernist design system: tokens + components.
   Flat, architectural, near-mono red on off-white, zero corner radius,
   strong 2px rules. One stylesheet, no build step. */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;600;800&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-accent-2: #e15b47;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

  --color-accent-2-100: #fff2ef;
  --color-accent-2-200: #ffe0da;
  --color-accent-2-300: #ffc4b9;
  --color-accent-2-400: #ff9784;
  --color-accent-2-500: #ef6853;
  --color-accent-2-600: #c94b39;
  --color-accent-2-700: #9e3526;
  --color-accent-2-800: #71261b;
  --color-accent-2-900: #471d16;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;

  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption { font-size: 11px; margin-top: var(--space-1); color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
.grayscale { /* color photography by request — kept as a no-op hook */ }

.sr-only {
  position: absolute; 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: 8px; top: -48px; z-index: 100;
  background: var(--color-text); color: var(--color-bg);
  padding: 10px 16px; font-family: var(--font-heading); font-weight: 800; font-size: 13px;
  text-decoration: none; transition: top .12s;
}
.skip-link:focus { top: 8px; }

.hr { height: 2px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* — forms — */
.field > label { display: block; font-size: 12px; margin-bottom: 5px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }

/* — cards — */
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px; border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 2px solid var(--color-divider);
}
.table td { padding: var(--space-2); border-bottom: 1px solid var(--color-divider); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* ═══════════════════ layout shell ═══════════════════ */
.wrap { background: var(--color-bg); min-height: 100vh; }
main { display: block; }
.container { max-width: 1280px; margin: 0 auto; }
.container-narrow { max-width: 900px; margin: 0 auto; }
.container-copy { max-width: 820px; margin: 0 auto; }

/* ═══════════════════ site header / nav ═══════════════════ */
.site-nav {
  position: sticky; top: 0; z-index: 50; background: var(--color-bg);
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) clamp(16px, 5vw, 64px);
  border-bottom: 2px solid var(--color-divider);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: 800; font-size: 18px;
  margin-right: auto; text-decoration: none; color: inherit;
  display: flex; align-items: baseline; gap: 8px; letter-spacing: -0.02em;
}
.brand-dot { width: 10px; height: 10px; background: var(--color-accent); display: inline-block; flex: none; }
.site-menu { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); flex-wrap: wrap; }
.site-menu a:not(.btn) { color: inherit; text-decoration: none; font-size: 14px; }
.site-menu a:not(.btn):hover, .site-menu a[aria-current='page'] { color: var(--color-accent); }
.nav-cta { margin-left: 8px; white-space: nowrap; }
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .site-nav { flex-wrap: wrap; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 4px;
    width: 36px; height: 36px; padding: 0; margin-left: auto;
    background: transparent; border: 1px solid var(--color-divider); cursor: pointer;
  }
  .nav-toggle span { display: block; width: 18px; height: 2px; background: var(--color-text); margin: 0 auto; }
  .site-menu {
    flex-basis: 100%; display: none; flex-direction: column; align-items: flex-start;
    gap: 4px; padding-top: var(--space-3); margin-top: var(--space-3);
    border-top: 1px solid var(--color-divider);
  }
  .site-menu.is-open { display: flex; }
  .site-menu a:not(.btn) { padding: 8px 0; width: 100%; }
  .nav-cta { margin-left: 0; margin-top: 8px; }
}

/* ═══════════════════ footer ═══════════════════ */
.site-footer {
  border-top: 2px solid var(--color-divider); background: var(--color-bg);
  padding: clamp(40px, 6vw, 72px) clamp(16px, 5vw, 64px) 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(24px, 4vw, 56px);
  max-width: 1280px; margin: 0 auto;
}
.footer-grid a { text-decoration: none; color: var(--color-text); }
.footer-col { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ═══════════════════ image placeholder + real-photo frame ═══════════════════
   .photo-frame wraps a real <img> (with onerror on the tag itself) plus a
   .ph fallback sibling. Drop a file at the path in the img's src (see
   /assets/images/README.txt) and it replaces the placeholder automatically
   — no HTML edit needed. */
.photo-frame { position: relative; width: 100%; height: 100%; }
.photo-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

/* Product thumbnails (ranking grid): show the whole photo, never crop it —
   bordered + padded so uneven product-shot proportions still read as one
   consistent square tile. */
.product-photo { border: 1px solid var(--color-divider); box-sizing: border-box; background: #ffffff; }

/* ═══════════════════ ranking / review cards ═══════════════════
   Both stack to a single column on mobile — photo (or rank number) first,
   name/details below — instead of squeezing a fixed side column. */
.rank-card {
  display: grid; grid-template-columns: 320px 1fr; gap: clamp(20px, 3vw, 44px);
  padding: clamp(28px, 4vw, 48px) 0; border-bottom: 2px solid var(--color-divider);
}
.rank-card-sm {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; scroll-margin-top: 80px;
}
@media (max-width: 760px) {
  .rank-card, .rank-card-sm { grid-template-columns: 1fr; }
  .rank-card-sm .rank-num { font-size: 32px; margin-bottom: 4px; }
}
.product-photo img { object-fit: contain; padding: 14px; box-sizing: border-box; }
.ph {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 12px; color: var(--color-neutral-600);
  background-image: repeating-linear-gradient(135deg, var(--color-neutral-200), var(--color-neutral-200) 11px, var(--color-neutral-100) 11px, var(--color-neutral-100) 22px);
  border: 1px solid var(--color-divider);
}
.photo-frame .ph { position: absolute; inset: 0; }
.ph-label { font-family: var(--font-heading); font-weight: 800; font-size: 12px; letter-spacing: 0.04em; line-height: 1.4; }

/* ═══════════════════ misc page utilities ═══════════════════ */
.stat-strip {
  max-width: 1280px; margin: 0 auto; border-top: 2px solid var(--color-divider);
  border-bottom: 2px solid var(--color-divider); display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat-strip > div { padding: 28px 24px; border-right: 1px solid var(--color-divider); }
.stat-strip > div:last-child { border-right: 0; }
.stat-num { font-family: var(--font-heading); font-weight: 800; font-size: clamp(30px, 3.4vw, 46px); line-height: 1; letter-spacing: -0.02em; }
.stat-label { color: color-mix(in srgb, var(--color-text) 55%, transparent); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 10px; }
@media (max-width: 700px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip > div:nth-child(2n) { border-right: 0; }
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--color-divider); border: 1px solid var(--color-divider); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--color-divider); border: 1px solid var(--color-divider); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--color-divider); border: 1px solid var(--color-divider); }
.grid-cell { background: var(--color-bg); padding: clamp(24px, 3vw, 40px); }
@media (max-width: 760px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.stars { position: relative; display: inline-block; letter-spacing: 3px; line-height: 1; }
.stars .base { color: var(--color-neutral-300); }
.stars .fill { position: absolute; inset: 0; color: var(--color-accent); overflow: hidden; white-space: nowrap; }

.rank-num { font-family: var(--font-heading); font-weight: 800; color: var(--color-accent); letter-spacing: -0.04em; }

details.faq-item { border-bottom: 1px solid var(--color-divider); }
details.faq-item summary {
  cursor: pointer; list-style: none; padding: 24px 0; display: flex; justify-content: space-between;
  align-items: baseline; gap: 24px; font-family: var(--font-heading); font-weight: 800;
  font-size: clamp(18px, 2vw, 24px); letter-spacing: -0.01em;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary .icon { color: var(--color-accent); font-size: 26px; line-height: 1; }
details.faq-item[open] summary .icon { transform: rotate(45deg); display: inline-block; }
details.faq-item p { font-size: 16px; line-height: 1.65; margin: 0; padding: 0 0 24px; max-width: 70ch; }

.breadcrumb { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.breadcrumb a { color: inherit; text-decoration: none; }
.breadcrumb a:hover { color: var(--color-accent); }