/* ===== LeanShirt - styles ===== */
:root {
  --ink: #0e1014;
  --ink-soft: #2b2f38;
  --muted: #6b7280;
  --line: #e7e8ec;
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --accent: #1d6fd6;
  --accent-2: #3da9fc;
  --gold: #f5b50a;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(14,16,20,.08);
  --shadow-lg: 0 24px 70px rgba(14,16,20,.16);
  --maxw: 1140px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-family: var(--font); cursor: pointer;
  border-radius: 999px; border: 1.5px solid transparent;
  padding: 12px 22px; font-size: 15px; transition: .2s ease; white-space: nowrap;
}
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 16px 30px; font-size: 16.5px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

/* ===== Announcement ===== */
.announce {
  background: var(--ink); color: #fff; text-align: center;
  font-size: 13.5px; padding: 9px 16px;
}
.announce strong { color: var(--accent-2); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header--scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.06); }
.header__inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.logo {
  font-weight: 900; font-size: 21px; letter-spacing: -.5px;
}
.logo span { color: var(--accent); }
.logo--light { color: #fff; }
.logo--light span { color: var(--accent-2); }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font-size: 14.5px; font-weight: 500; color: var(--ink-soft); transition: .15s; }
.nav a:hover { color: var(--accent); }
.header__actions { display: flex; align-items: center; gap: 12px; margin-left: 8px; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }

/* ===== Hero ===== */
.hero { padding: 70px 0 60px; background: radial-gradient(1200px 500px at 80% -10%, #eaf3ff 0%, transparent 60%); }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.rating { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; }
.stars { color: var(--gold); letter-spacing: 2px; font-size: 15px; }
.rating__text { font-size: 14px; color: var(--muted); }
.hero h1 {
  font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -1.5px;
  font-weight: 900; margin-bottom: 18px;
}
.hl { color: var(--accent); position: relative; }
.hero__sub { font-size: 18px; color: var(--ink-soft); max-width: 520px; margin-bottom: 28px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.hero__badges { list-style: none; display: flex; gap: 18px; flex-wrap: wrap; }
.hero__badges li { font-size: 13.5px; font-weight: 600; color: var(--ink-soft); }

.hero__visual { display: flex; justify-content: center; }
.shirt-card {
  position: relative; background: linear-gradient(160deg, #fff, #f1f4f9);
  border: 1px solid var(--line); border-radius: 26px; padding: 28px;
  box-shadow: var(--shadow-lg); width: 100%; max-width: 400px;
}
.shirt-card__tag {
  position: absolute; top: 18px; left: 18px; background: var(--accent);
  color: #fff; font-size: 12px; font-weight: 800; letter-spacing: 1px;
  padding: 6px 12px; border-radius: 999px;
}
.shirt-svg { width: 100%; height: auto; filter: drop-shadow(0 18px 28px rgba(0,0,0,.18)); }
.shirt-card__legend { display: flex; justify-content: center; gap: 18px; margin-top: 14px; flex-wrap: wrap; }
.shirt-card__legend span { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot--outer { background: #2b2f38; }
.dot--inner { background: var(--accent-2); }

/* ===== Trust strip ===== */
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.trust-strip__inner { display: grid; grid-template-columns: repeat(4,1fr); text-align: center; }
.trust-strip__inner > div { padding: 22px 12px; border-right: 1px solid var(--line); }
.trust-strip__inner > div:last-child { border-right: 0; }
.trust-strip strong { display: block; font-size: 24px; font-weight: 900; letter-spacing: -.5px; }
.trust-strip span { font-size: 13px; color: var(--muted); }

/* ===== Section base ===== */
.section { padding: 78px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { text-align: center; max-width: 660px; margin: 0 auto 46px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section h2 { font-size: clamp(26px, 3.6vw, 40px); letter-spacing: -1px; line-height: 1.1; font-weight: 900; }
.section__lead { color: var(--ink-soft); font-size: 17px; margin-top: 14px; }

/* ===== Concept grid ===== */
.concept-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: .2s; }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature__icon { font-size: 30px; margin-bottom: 12px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--muted); }

/* ===== Zones ===== */
.zones__inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: center; }
.zones__visual { display: flex; justify-content: center; }
.body-svg { width: 240px; height: auto; }
.zones__content .eyebrow { margin-bottom: 12px; }
.zones__content h2 { margin-bottom: 24px; }
.zones__list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.zones__list li { display: flex; gap: 14px; align-items: flex-start; }
.zones__list strong { font-size: 16px; }
.zones__list p { font-size: 14px; color: var(--muted); }
.zones__lvl {
  flex-shrink: 0; font-size: 11.5px; font-weight: 800; padding: 5px 11px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; min-width: 78px; text-align: center;
}
.zones__lvl--low { background: #e8f1ff; color: var(--accent); }
.zones__lvl--mid { background: #d6e8ff; color: #1559b0; }
.zones__lvl--high { background: var(--accent); color: #fff; }

/* ===== Before / After ===== */
.ba {
  position: relative; max-width: 560px; margin: 0 auto; aspect-ratio: 4/3;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); user-select: none;
}
.ba__panel { position: absolute; inset: 0; }
.ba__before { width: 50%; overflow: hidden; border-right: 3px solid #fff; }
.ba__silhouette { position: absolute; inset: 0; }
.ba__after .ba__silhouette--after { width: 560px; }
.ba__silhouette--before, .ba__silhouette--after {
  background-size: 560px 100%; background-position: center;
}
.ba__silhouette--after {
  background:
    radial-gradient(120px 220px at 50% 58%, #2b2f38 0 60%, transparent 62%),
    linear-gradient(180deg, #eef3fb, #dfe7f2);
}
.ba__silhouette--before {
  width: 560px;
  background:
    radial-gradient(165px 230px at 50% 60%, #3a3f49 0 60%, transparent 62%),
    linear-gradient(180deg, #f3eeee, #e8dede);
}
.ba__label {
  position: absolute; bottom: 14px; left: 14px; background: rgba(14,16,20,.8); color: #fff;
  font-size: 12px; font-weight: 800; letter-spacing: 1px; padding: 6px 12px; border-radius: 999px;
}
.ba__after .ba__label { left: auto; right: 14px; background: var(--accent); }
.ba__handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff;
  transform: translateX(-50%); pointer-events: none;
}
.ba__handle span {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 40px; height: 40px; background: #fff; border-radius: 50%; box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--ink);
}
.ba__range {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0;
}
.disclaimer { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 18px; }

/* ===== Packs ===== */
.packs { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; max-width: 820px; margin: 0 auto 28px; }
.pack {
  position: relative; background: #fff; border: 2px solid var(--line); border-radius: var(--radius);
  padding: 24px 18px; cursor: pointer; text-align: center; transition: .2s; font-family: var(--font);
}
.pack:hover { border-color: var(--accent-2); }
.pack--active { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(29,111,214,.1); }
.pack[data-badge]::before {
  content: attr(data-badge); position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .5px;
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}
.pack__qty { font-size: 15px; font-weight: 700; color: var(--muted); }
.pack__price { font-size: 30px; font-weight: 900; letter-spacing: -1px; margin: 6px 0 2px; }
.pack__per { font-size: 13px; color: var(--muted); }
.pack__save {
  display: inline-block; margin-top: 10px; background: #e8f1ff; color: var(--accent);
  font-size: 12.5px; font-weight: 800; padding: 4px 12px; border-radius: 999px;
}
.pack--active .pack__save { background: var(--accent); color: #fff; }

/* ===== Builder ===== */
.builder { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; max-width: 820px; margin: 0 auto; box-shadow: var(--shadow); }
.builder__row { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.builder__label { font-weight: 700; min-width: 70px; }
.swatches, .sizes { display: flex; gap: 10px; }
.swatch {
  width: 30px; height: 30px; border-radius: 50%; background: var(--c); border: 2px solid var(--line);
  cursor: pointer; transition: .15s; position: relative;
}
.swatch--active { box-shadow: 0 0 0 3px #fff, 0 0 0 5px var(--accent); }
.size {
  min-width: 46px; height: 40px; border-radius: var(--radius-sm); border: 1.5px solid var(--line);
  background: #fff; font-weight: 700; cursor: pointer; transition: .15s; font-family: var(--font);
}
.size:hover { border-color: var(--accent-2); }
.size--active { background: var(--ink); color: #fff; border-color: var(--ink); }
.builder__guide { font-size: 13px; color: var(--accent); margin-left: auto; font-weight: 600; }
.builder__summary { padding-top: 22px; }
.builder__total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 8px; }
.builder__total > span { font-size: 14px; color: var(--muted); }
.builder__total em { font-style: normal; color: var(--ink); font-weight: 600; }
.builder__amount { text-align: right; }
.builder__amount span { font-size: 28px; font-weight: 900; letter-spacing: -1px; }
.builder__amount small { display: block; color: var(--muted); text-decoration: line-through; font-size: 13px; }
.builder__reassure { list-style: none; display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-top: 16px; }
.builder__reassure li { font-size: 13px; color: var(--ink-soft); font-weight: 500; }

/* ===== Material ===== */
.material { display: grid; grid-template-columns: 1.3fr .7fr; gap: 44px; align-items: center; }
.material h2 { margin: 12px 0 22px; }
.material__list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.material__list li { font-size: 15px; color: var(--ink-soft); padding-left: 26px; position: relative; }
.material__list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; }
.material__list strong { color: var(--ink); }
.material__specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.spec { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; }
.spec span { font-size: 12.5px; color: var(--muted); display: block; margin-bottom: 4px; }
.spec strong { font-size: 16px; }

/* ===== Reviews ===== */
.reviews { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.review .stars { font-size: 14px; margin-bottom: 12px; }
.review p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 14px; }
.review footer { font-size: 13px; color: var(--muted); }
.review strong { color: var(--ink); }

/* ===== Guarantees ===== */
.guarantees { background: var(--ink); color: #fff; padding: 54px 0; }
.guarantees__inner { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; }
.guarantee__ic { font-size: 30px; margin-bottom: 12px; }
.guarantee h4 { font-size: 16px; margin-bottom: 6px; }
.guarantee p { font-size: 13.5px; color: #aeb4bf; }

/* ===== FAQ ===== */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq__item { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 20px; }
.faq__item summary {
  cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 22px; color: var(--accent); transition: .2s; }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding: 0 0 18px; color: var(--ink-soft); font-size: 14.5px; }

/* ===== Final CTA ===== */
.final-cta { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; padding: 70px 0; text-align: center; }
.final-cta h2 { font-size: clamp(26px, 4vw, 40px); letter-spacing: -1px; font-weight: 900; }
.final-cta p { font-size: 17px; margin: 14px 0 26px; opacity: .95; }
.final-cta strong { background: rgba(255,255,255,.2); padding: 2px 8px; border-radius: 6px; }

/* ===== Footer ===== */
.footer { background: var(--ink); color: #cfd3da; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; padding: 56px 24px 40px; }
.footer__brand p { font-size: 14px; color: #9aa0ab; margin-top: 14px; max-width: 280px; }
.footer__col h5 { color: #fff; font-size: 14px; margin-bottom: 14px; }
.footer__col a { display: block; font-size: 14px; color: #9aa0ab; padding: 5px 0; transition: .15s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid #23262e; }
.footer__bottom-inner { display: flex; justify-content: space-between; padding: 18px 24px; font-size: 12.5px; color: #7c828d; flex-wrap: wrap; gap: 8px; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(120px);
  background: var(--ink); color: #fff; padding: 14px 26px; border-radius: 999px; font-weight: 700;
  box-shadow: var(--shadow-lg); z-index: 99; transition: transform .35s cubic-bezier(.2,.9,.3,1.2);
}
.toast--show { transform: translateX(-50%) translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 920px) {
  .concept-grid { grid-template-columns: repeat(2,1fr); }
  .reviews { grid-template-columns: repeat(2,1fr); }
  .guarantees__inner { grid-template-columns: repeat(2,1fr); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .zones__inner { grid-template-columns: 1fr; }
  .material { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav--open { display: flex; }
  .burger { display: flex; }
  .trust-strip__inner { grid-template-columns: 1fr 1fr; }
  .trust-strip__inner > div:nth-child(2) { border-right: 0; }
  .trust-strip__inner > div:nth-child(1), .trust-strip__inner > div:nth-child(2) { border-bottom: 1px solid var(--line); }
  .packs { grid-template-columns: 1fr; max-width: 380px; }
  .footer__bottom-inner { justify-content: center; text-align: center; }
}
@media (max-width: 480px) {
  .concept-grid, .reviews, .guarantees__inner, .footer__inner, .material__specs { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .header__actions .btn--sm { display: none; }
}