/* ============================================================
   WTBHE — Where To Buy Hair Extensions
   Luxury Editorial Design System · v1.0 concept · 2026-07-17
   Palette: Noir #171210 · Ivory #FAF6F0 · Champagne #B8863B
            Blush #D9A79A · Espresso #4A3A32
   Type: Fraunces (display) · Inter (body)
   ============================================================ */

:root {
  --noir: #171210;
  --noir-soft: #241C18;
  --ivory: #FAF6F0;
  --ivory-deep: #F1EAE0;
  --champagne: #B8863B;
  --champagne-bright: #D9A85C;
  --blush: #D9A79A;
  --blush-deep: #B97F6E;
  --espresso: #4A3A32;
  --ink: #221A15;
  --ink-2: #5C4F46;
  --ink-3: #8A7B70;
  --line: rgba(34, 26, 21, 0.12);
  --line-gold: rgba(184, 134, 59, 0.35);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1200px;
  --r: 2px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--ivory);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* ---------- utility bar ---------- */
.utility {
  background: var(--noir);
  color: rgba(250, 246, 240, 0.75);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-align: center;
  padding: 9px 16px;
}
.utility b { color: var(--champagne-bright); font-weight: 600; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s;
}
.site-head.scrolled { box-shadow: 0 2px 24px rgba(23, 18, 16, 0.08); }
.head-in {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; max-width: var(--max); margin: 0 auto;
}
.wordmark { display: flex; flex-direction: column; line-height: 1.1; }
.wordmark .wm-top {
  font-family: var(--serif); font-weight: 600; font-size: 22px;
  letter-spacing: 0.01em; color: var(--ink);
}
.wordmark .wm-top em { font-style: italic; color: var(--champagne); }
.wordmark .wm-sub {
  font-size: 9.5px; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 3px;
}
.nav { display: flex; gap: 34px; align-items: center; }
.nav a {
  font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 500; color: var(--ink-2); position: relative; padding: 4px 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1.5px; background: var(--champagne); transition: width 0.3s;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { width: 100%; }
.nav .nav-cta {
  border: 1px solid var(--champagne); color: var(--champagne);
  padding: 9px 20px; transition: all 0.3s;
}
.nav .nav-cta:hover { background: var(--champagne); color: var(--ivory); }
.nav .nav-cta::after { display: none; }
.burger { display: none; background: none; border: 0; cursor: pointer; }
.burger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--ivory); }
.hero-in {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px;
  align-items: center; padding: 72px 32px 84px;
  max-width: var(--max); margin: 0 auto;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--champagne); font-weight: 600; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--champagne); }
.hero h1 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(42px, 5.6vw, 74px);
  line-height: 1.04; letter-spacing: -0.01em; color: var(--ink);
}
.hero h1 em { font-style: italic; color: var(--blush-deep); }
.hero h1 .gold { color: var(--champagne); }
.hero-sub {
  font-size: 17.5px; line-height: 1.7; color: var(--ink-2);
  max-width: 480px; margin: 26px 0 36px;
}
.cta-row { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-block; font-size: 12.5px; letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 600; padding: 16px 34px;
  transition: all 0.3s; cursor: pointer; border: 1px solid transparent;
}
.btn-dark { background: var(--noir); color: var(--ivory); }
.btn-dark:hover { background: var(--champagne); }
.btn-ghost { border-color: var(--ink-3); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--champagne); color: var(--champagne); }

.hero-visual { position: relative; }
.hero-img {
  aspect-ratio: 4 / 5; width: 100%;
  background:
    radial-gradient(120% 90% at 75% 12%, rgba(217, 168, 92, 0.35), transparent 55%),
    radial-gradient(120% 110% at 18% 88%, rgba(217, 167, 154, 0.5), transparent 60%),
    linear-gradient(160deg, #2A211C 0%, #171210 58%, #0E0B09 100%);
  position: relative; overflow: hidden;
}
.hero-img::after {
  content: "Editorial photography slot — WTBHE-HeroModel.webp";
  position: absolute; inset: auto 0 0 0; padding: 14px;
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(250, 246, 240, 0.45); text-align: center;
}
.hero-img .strand {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 22px, rgba(217, 168, 92, 0.05) 22px 23px),
    repeating-linear-gradient(65deg, transparent 0 34px, rgba(217, 167, 154, 0.05) 34px 35px);
}
.hero-card {
  position: absolute; left: -36px; bottom: 42px;
  background: var(--ivory); border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(23, 18, 16, 0.18);
  padding: 22px 26px; max-width: 270px;
}
.hero-card .hc-top {
  font-family: var(--serif); font-size: 30px; color: var(--champagne);
  line-height: 1;
}
.hero-card .hc-sub { font-size: 12.5px; color: var(--ink-2); margin-top: 8px; line-height: 1.55; }

/* ---------- trust strip ---------- */
.trust { background: var(--noir); color: var(--ivory); }
.trust-in {
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
}
.t-cell {
  padding: 34px 24px; text-align: center;
  border-left: 1px solid rgba(250, 246, 240, 0.08);
}
.t-cell:first-child { border-left: 0; }
.t-num { font-family: var(--serif); font-size: 34px; color: var(--champagne-bright); line-height: 1.1; }
.t-lab {
  font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(250, 246, 240, 0.55); margin-top: 8px;
}

/* ---------- sections ---------- */
.section { padding: 50px 0; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(30px, 3.6vw, 44px); line-height: 1.12; color: var(--ink);
}
.section-head h2 em { font-style: italic; color: var(--blush-deep); }
.section-head p { color: var(--ink-2); margin-top: 14px; font-size: 16px; }

/* pillar cards */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pillar {
  background: #fff; border: 1px solid var(--line); padding: 36px 30px;
  position: relative; transition: all 0.35s; display: block;
}
.pillar:hover { border-color: var(--line-gold); box-shadow: 0 18px 48px rgba(23, 18, 16, 0.09); transform: translateY(-3px); }
.pillar .p-kicker {
  font-size: 10.5px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--champagne); font-weight: 600;
}
.pillar h3 { font-family: var(--serif); font-weight: 500; font-size: 23px; margin: 14px 0 10px; line-height: 1.25; }
.pillar p { font-size: 14.5px; color: var(--ink-2); }
.pillar .p-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px;
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 600; color: var(--ink);
}
.pillar .p-link::after { content: "→"; color: var(--champagne); transition: transform 0.3s; }
.pillar:hover .p-link::after { transform: translateX(5px); }

/* brand review grid */
.rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rev-card {
  background: #fff; border: 1px solid var(--line);
  display: flex; flex-direction: column; transition: all 0.35s; overflow: hidden;
}
.rev-card:hover { border-color: var(--line-gold); box-shadow: 0 18px 48px rgba(23, 18, 16, 0.09); transform: translateY(-3px); }
.rev-media {
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(100% 120% at 80% 0%, rgba(217, 168, 92, 0.28), transparent 55%),
    linear-gradient(150deg, #2C2320 0%, #171210 70%);
  position: relative;
}
.rev-media span {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-style: italic; font-size: 22px;
  color: rgba(250, 246, 240, 0.8); letter-spacing: 0.02em; padding: 0 20px; text-align: center;
}
.rev-body { padding: 26px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.rev-tag {
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--champagne); font-weight: 600;
}
.rev-body h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; line-height: 1.28; margin: 12px 0 8px; }
.rev-body p { font-size: 14px; color: var(--ink-2); flex: 1; }
.rev-meta { margin-top: 18px; font-size: 12px; color: var(--ink-3); letter-spacing: 0.06em; }

/* methods band */
.methods { background: var(--ivory-deep); }
.method-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.method {
  background: #fff; border: 1px solid var(--line); text-align: center;
  padding: 28px 12px 24px; transition: all 0.3s; display: block;
}
.method:hover { border-color: var(--champagne); transform: translateY(-3px); }
.method .m-ico { font-family: var(--serif); font-size: 26px; color: var(--champagne); font-style: italic; }
.method .m-name { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; margin-top: 10px; }
.method .m-sub { font-size: 11px; color: var(--ink-3); margin-top: 4px; }

/* dark editorial band */
.edit-band { background: var(--noir); color: var(--ivory); position: relative; overflow: hidden; }
.edit-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(184, 134, 59, 0.14), transparent 60%),
    radial-gradient(50% 70% at 10% 90%, rgba(217, 167, 154, 0.1), transparent 60%);
}
.edit-in { position: relative; max-width: 860px; margin: 0 auto; padding: 60px 32px; text-align: center; }
.edit-in .eyebrow { justify-content: center; }
.edit-quote {
  font-family: var(--serif); font-weight: 400; font-style: italic;
  font-size: clamp(26px, 3.4vw, 40px); line-height: 1.3; color: var(--ivory);
}
.edit-quote .gold { color: var(--champagne-bright); font-style: normal; }
.edit-src { margin-top: 22px; font-size: 11.5px; letter-spacing: 0.26em; text-transform: uppercase; color: rgba(250, 246, 240, 0.5); }

/* article list */
.art-list { border-top: 1px solid var(--line); }
.art-row {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 28px; align-items: center;
  padding: 26px 8px; border-bottom: 1px solid var(--line); transition: background 0.25s;
}
.art-row:hover { background: #fff; }
.art-date { font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.art-row h3 { font-family: var(--serif); font-weight: 500; font-size: 20px; line-height: 1.3; }
.art-row h3 span { color: var(--ink-3); font-size: 14px; font-family: var(--sans); display: block; margin-top: 5px; font-weight: 400; }
.art-cat {
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--champagne); font-weight: 600; white-space: nowrap;
}

/* newsletter / cta */
.cta-band { background: var(--ivory-deep); }
.cta-in { max-width: 640px; margin: 0 auto; text-align: center; padding: 56px 32px; }
.cta-in h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.15; }
.cta-in h2 em { font-style: italic; color: var(--champagne); }
.cta-in p { color: var(--ink-2); margin: 16px 0 28px; }

/* footer */
.site-foot { background: var(--noir); color: rgba(250, 246, 240, 0.6); }
.foot-in {
  max-width: var(--max); margin: 0 auto; padding: 54px 32px 30px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.foot-brand .wm-top { font-family: var(--serif); font-size: 22px; color: var(--ivory); }
.foot-brand .wm-top em { font-style: italic; color: var(--champagne-bright); }
.foot-brand p { font-size: 13px; margin-top: 14px; max-width: 300px; line-height: 1.7; }
.foot-col h4 {
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--champagne-bright); font-weight: 600; margin-bottom: 16px;
}
.foot-col a { display: block; font-size: 13.5px; padding: 5px 0; color: rgba(250, 246, 240, 0.6); transition: color 0.25s; }
.foot-col a:hover { color: var(--ivory); }
.foot-base {
  border-top: 1px solid rgba(250, 246, 240, 0.1);
  max-width: var(--max); margin: 0 auto; padding: 22px 32px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 11.5px; letter-spacing: 0.08em; color: rgba(250, 246, 240, 0.4);
}

/* reveals */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero-in { grid-template-columns: 1fr; gap: 44px; padding-top: 52px; padding-bottom: 60px; }
  .hero-card { left: 16px; }
  .pillars, .rev-grid { grid-template-columns: 1fr 1fr; }
  .method-row { grid-template-columns: repeat(3, 1fr); }
  .trust-in { grid-template-columns: 1fr 1fr; }
  .t-cell:nth-child(3) { border-left: 0; }
  .t-cell { border-top: 1px solid rgba(250,246,240,0.08); }
  .t-cell:nth-child(-n+2) { border-top: 0; }
  .foot-in { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--ivory); padding: 22px 32px 30px;
    border-bottom: 1px solid var(--line); gap: 18px;
  }
  .burger { display: block; }
  .pillars, .rev-grid { grid-template-columns: 1fr; }
  .method-row { grid-template-columns: 1fr 1fr; }
  .art-row { grid-template-columns: 1fr; gap: 8px; }
  .hero h1 { font-size: 40px; }
  .section { padding: 40px 0; }
  .wrap, .head-in { padding-left: 22px; padding-right: 22px; }
  .hero-card { position: static; margin-top: 18px; max-width: none; }
}

/* ============================================================
   Article / interior page layer · v1.0
   ============================================================ */
.page-hero { background: var(--noir); color: var(--ivory); position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(70% 90% at 88% 10%, rgba(184, 134, 59, 0.16), transparent 60%),
    radial-gradient(50% 70% at 8% 95%, rgba(217, 167, 154, 0.1), transparent 60%);
}
.page-hero-in { position: relative; max-width: 860px; margin: 0 auto; padding: 58px 32px 54px; }
.crumbs { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(250,246,240,0.5); margin-bottom: 18px; }
.crumbs a { color: var(--champagne-bright); }
.crumbs a:hover { text-decoration: underline; }
.page-hero h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(32px, 4.4vw, 54px); line-height: 1.1; letter-spacing: -0.005em;
}
.page-hero h1 em { font-style: italic; color: var(--champagne-bright); }
.page-meta { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 24px; font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(250,246,240,0.55); }
.page-meta b { color: var(--champagne-bright); font-weight: 600; }

.article { max-width: 760px; margin: 0 auto; padding: 54px 32px 30px; }
.article > p { margin-bottom: 22px; font-size: 17px; line-height: 1.8; color: var(--ink); }
.article h2, .article h3 {
  font-family: var(--serif); font-weight: 500; color: var(--ink);
  margin: 40px 0 16px; line-height: 1.25;
}
.article h2 { font-size: 30px; }
.article h3 { font-size: 24px; }
.article ul, .article ol { margin: 0 0 22px 22px; }
.article li { margin-bottom: 10px; font-size: 16.5px; line-height: 1.75; color: var(--ink); }
.article blockquote {
  border-left: 2px solid var(--champagne); margin: 34px 0; padding: 6px 0 6px 28px;
  font-family: var(--serif); font-style: italic; font-size: 21px; line-height: 1.55; color: var(--espresso);
}
.article a { color: var(--champagne); border-bottom: 1px solid var(--line-gold); transition: all 0.25s; }
.article a:hover { color: var(--blush-deep); border-color: var(--blush-deep); }
.article strong { font-weight: 600; }
.note-band {
  background: var(--ivory-deep); border: 1px solid var(--line);
  padding: 20px 26px; margin: 34px 0; font-size: 14px; color: var(--ink-2); line-height: 1.7;
}
.note-band b { color: var(--champagne); }

.related { border-top: 1px solid var(--line); }
.related-in { max-width: var(--max); margin: 0 auto; padding: 50px 32px; }
.related-in h2 { font-family: var(--serif); font-weight: 400; font-size: 30px; margin-bottom: 28px; }
.related-in h2 em { font-style: italic; color: var(--blush-deep); }
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card { background: #fff; border: 1px solid var(--line); padding: 26px 26px 28px; transition: all 0.3s; display: block; }
.rel-card:hover { border-color: var(--line-gold); transform: translateY(-3px); box-shadow: 0 14px 38px rgba(23,18,16,0.08); }
.rel-card .rev-tag { display: block; }
.rel-card h3 { font-family: var(--serif); font-weight: 500; font-size: 19px; line-height: 1.3; margin-top: 10px; }
@media (max-width: 900px) { .rel-grid { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .article { padding-top: 38px; } .page-hero-in { padding: 42px 22px 40px; } }

/* crafted-by credit */
.crafted { display: inline-flex; align-items: center; gap: 9px; color: rgba(250,246,240,0.4); transition: color 0.25s; }
.crafted:hover { color: var(--champagne-bright); }
.crafted img { height: 14px; width: auto; opacity: 0.65; transition: opacity 0.25s; }
.crafted:hover img { opacity: 1; }