/* =========================================================================
   INÈS — European Editorial × Raw Serenity
   Document-style site (2 sections: Research Report + Design Strategy)
   Static, responsive, accessible. No framework.
   ========================================================================= */

:root {
  /* Palette — cold, natural, quiet */
  --oat-milk:   #F5F1EA;  /* page background, card base */
  --warm-stone: #E8E2D9;  /* dividers, hover, footer */
  --pewter:     #4A4F54;  /* body text, lines, button border */
  --charcoal:   #2C2F32;  /* headings, emphasis */
  --moss:       #6B7B6A;  /* accent: sustainability, links, icons */
  --sterling:   #C5C9CC;  /* decorative lines, price glyphs */

  --ink-soft:   #6b7176;  /* secondary text */

  /* Type */
  --display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --body:    "Inter", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* Motion — slow, soft, no bounce */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur: 800ms;

  --maxw: 1080px;
  --radius: 2px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--oat-milk);
  color: var(--pewter);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--charcoal); color: var(--oat-milk);
  padding: 10px 16px; border-radius: var(--radius); z-index: 100;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }
:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
  border-radius: 2px;
}
.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;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; border-top: 1px solid var(--warm-stone); }
.section:first-of-type { border-top: 0; }

/* ---------- Top navigation ---------- */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 234, 0.9);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--warm-stone);
}
.topnav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--display);
  font-weight: 300; font-size: 26px; letter-spacing: 0.14em;
  color: var(--charcoal); text-decoration: none; text-transform: uppercase;
}
.navlinks { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.navlinks a {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--pewter);
  text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.navlinks a:hover, .navlinks a:focus-visible { color: var(--moss); border-color: var(--moss); }
.navlinks a[aria-current="true"] { color: var(--charcoal); border-color: var(--charcoal); }

/* ---------- Document hero ---------- */
.doc-hero { padding: 56px 0 8px; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--moss); margin: 0 0 14px;
}
.doc-title {
  font-family: var(--display); font-weight: 300; color: var(--charcoal);
  font-size: clamp(38px, 6vw, 68px); line-height: 1.05;
  letter-spacing: 0.02em; margin: 0 0 18px;
}
.doc-sub {
  font-size: 17px; color: var(--ink-soft); max-width: 60ch; margin: 0 0 24px;
}
.meta-row {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em;
  color: var(--ink-soft); border-top: 1px solid var(--warm-stone);
  padding-top: 18px; margin-top: 8px;
}
.meta-row b { color: var(--pewter); font-weight: 500; }

/* ---------- Typography blocks ---------- */
h2 {
  font-family: var(--display); font-weight: 400; color: var(--charcoal);
  font-size: clamp(26px, 3.6vw, 38px); line-height: 1.15;
  letter-spacing: 0.02em; margin: 56px 0 18px;
  padding-bottom: 10px; border-bottom: 1px solid var(--warm-stone);
}
h2 .num {
  font-family: var(--mono); font-size: 0.5em; color: var(--moss);
  letter-spacing: 0.1em; vertical-align: middle; margin-right: 12px;
}
h3 {
  font-family: var(--display); font-weight: 500; color: var(--charcoal);
  font-size: clamp(20px, 2.6vw, 26px); margin: 34px 0 12px; letter-spacing: 0.01em;
}
p { margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--pewter); }
.muted { color: var(--ink-soft); }
a.inline { color: var(--moss); text-underline-offset: 3px; }
a.inline:hover { color: var(--charcoal); }

/* ---------- Stat band ---------- */
.statband {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--warm-stone);
  border: 1px solid var(--warm-stone); margin: 28px 0 8px;
}
.stat { background: var(--oat-milk); padding: 24px 20px; }
.stat .v {
  font-family: var(--display); font-weight: 300; color: var(--charcoal);
  font-size: clamp(30px, 4vw, 44px); line-height: 1; display: block;
}
.stat .k {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-soft); margin-top: 10px; display: block;
}

/* ---------- Cards (personas, pillars, trends) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 22px 0; }
.card {
  background: var(--oat-milk); border: 1px solid var(--warm-stone);
  padding: 22px; border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover { border-color: var(--sterling); transform: translateY(-2px); }
.card h4 {
  font-family: var(--display); font-weight: 500; color: var(--charcoal);
  font-size: 21px; margin: 0 0 4px; letter-spacing: 0.01em;
}
.card .tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--moss); text-transform: uppercase; display: block; margin-bottom: 10px;
}
.card p { font-size: 14.5px; margin: 0; color: var(--ink-soft); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 22px 0; }
table.styled {
  width: 100%; border-collapse: collapse; font-size: 14.5px;
  background: var(--oat-milk); border: 1px solid var(--warm-stone);
}
table.styled caption {
  text-align: left; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft);
  padding: 0 0 8px;
}
table.styled th, table.styled td {
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--warm-stone);
  vertical-align: top;
}
table.styled thead th {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--pewter);
  border-bottom: 1.5px solid var(--sterling); background: var(--warm-stone);
}
table.styled tbody tr:last-child td { border-bottom: 0; }
table.styled tbody tr:hover { background: rgba(232, 226, 217, 0.4); }
table.styled .mono { font-family: var(--mono); font-size: 13px; color: var(--charcoal); }
table.styled .accent { color: var(--moss); font-weight: 500; }

/* ---------- Charts ---------- */
figure.chart { margin: 26px 0; }
figure.chart svg { width: 100%; height: auto; }
figure.chart figcaption {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em;
  color: var(--ink-soft); margin-top: 10px; text-transform: uppercase;
}

/* ---------- List blocks ---------- */
.occasions { list-style: none; margin: 18px 0; padding: 0; }
.occasions li {
  padding: 12px 0 12px 22px; position: relative;
  border-bottom: 1px solid var(--warm-stone); font-size: 15px;
}
.occasions li::before {
  content: ""; position: absolute; left: 0; top: 19px;
  width: 7px; height: 7px; background: var(--moss); border-radius: 50%;
}
.occasions b { color: var(--charcoal); font-weight: 500; }

/* ---------- Two-column on wide ---------- */
.split { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 880px) { .split { grid-template-columns: 1fr 1fr; } }

/* ---------- Pillars (3) ---------- */
.pillars { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 22px 0; }
@media (min-width: 768px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar {
  border-top: 2px solid var(--moss); padding: 18px 0 0;
}
.pillar h4 { font-family: var(--display); font-size: 22px; color: var(--charcoal); margin: 0 0 8px; }
.pillar p { font-size: 14.5px; color: var(--ink-soft); margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--warm-stone); background: var(--warm-stone);
  padding: 36px 0; margin-top: 40px;
}
.site-footer p { font-size: 13px; color: var(--ink-soft); margin: 0; }
.site-footer .brand-sm {
  font-family: var(--display); font-size: 20px; letter-spacing: 0.14em;
  color: var(--charcoal); text-transform: uppercase;
}

/* ---------- Section toggle (compact TOC) ---------- */
.toc {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  margin: 18px 0 0;
}
.toc a { color: var(--moss); text-decoration: none; }
.toc a:hover { color: var(--charcoal); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .statband { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .wrap { padding: 0 18px; }
  .section { padding: 52px 0; }
  .navlinks { gap: 18px; }
  .navlinks a { font-size: 11px; }
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .statband { grid-template-columns: 1fr 1fr; }
  .doc-title { font-size: 38px; }
  .topnav .wrap { height: 56px; }
  .brand { font-size: 22px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}