/* ==========================================================================
   壹号娱乐 / PLAYBOOK 01 — shared site kit (/assets/site.css)
   reset · tokens · typography · header · footer · buttons · layout blocks
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body,
h1, h2, h3, h4, h5, p, ul, ol, li, figure, figcaption, blockquote, dl, dd { margin: 0; }

ul, ol { padding: 0; list-style: none; }

img, svg, video { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:where(a, button, input, select, textarea) { -webkit-tap-highlight-color: transparent; }

/* ---------- tokens ---------- */
:root {
  --yh-ink: #0B1F33;
  --yh-ink-deep: #081726;
  --yh-ink-soft: #16324C;
  --yh-black: #111820;
  --yh-paper: #F4EBDD;
  --yh-paper-soft: #FBF6EC;
  --yh-paper-dim: #EFE4D2;
  --yh-orange: #FF6A2B;
  --yh-cyan: #34E0D0;
  --yh-gold: #D9A441;
  --yh-steel: #9FB6CC;
  --yh-line: #D8D2C4;
  --yh-teal: #0F5E64;
  --yh-glass: rgba(244, 235, 221, 0.12);
  --yh-on-dark: rgba(244, 235, 221, 0.72);
  --yh-on-dark-dim: rgba(244, 235, 221, 0.52);
  --yh-hair-dark: rgba(244, 235, 221, 0.16);

  --yh-font-display: "Helvetica Neue", "Segoe UI", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --yh-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --yh-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --yh-shell: 1180px;
  --yh-radius-s: 10px;
  --yh-radius-m: 18px;
  --yh-radius-l: 30px;
  --yh-shadow: 0 22px 46px -26px rgba(8, 23, 38, 0.62);
  --yh-ease: cubic-bezier(0.22, 0.61, 0.24, 1);
}

/* ---------- base typography ---------- */
body {
  font-family: var(--yh-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--yh-ink);
  background: var(--yh-paper);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body.yh-lock { overflow: hidden; }

h1, h2, h3, h4 {
  font-family: var(--yh-font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--yh-ink);
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.55rem, 2.7vw, 2.25rem); }
h3 { font-size: clamp(1.12rem, 1.7vw, 1.4rem); font-weight: 700; }

.yh-h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); font-weight: 900; line-height: 1.08; }
.yh-h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 800; }
.yh-h3 { font-size: clamp(1.15rem, 1.9vw, 1.5rem); font-weight: 700; }
.yh-lead { font-size: clamp(1.02rem, 1.5vw, 1.18rem); line-height: 1.8; color: var(--yh-ink-soft); }

p { text-wrap: pretty; }

::selection { background: var(--yh-orange); color: var(--yh-black); }

/* ---------- focus ---------- */
:focus-visible {
  outline: 2px solid var(--yh-teal);
  outline-offset: 3px;
  border-radius: 6px;
}

.yh-header :focus-visible,
.yh-footer :focus-visible {
  outline: 2px solid var(--yh-cyan);
  outline-offset: 3px;
}

/* ---------- skip link ---------- */
.yh-skip {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 200;
  transform: translate(-50%, -180%);
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--yh-orange);
  color: var(--yh-black);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--yh-shadow);
  transition: transform 0.22s var(--yh-ease);
}

.yh-skip:focus-visible { transform: translate(-50%, 0); }

/* ---------- shell ---------- */
.yh-shell {
  width: min(100% - 36px, var(--yh-shell));
  margin-inline: auto;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.yh-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 14px 16px 0;
  transition: padding 0.24s var(--yh-ease);
}

.yh-header[data-compact] { padding-top: 8px; }

.yh-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, var(--yh-shell));
  margin-inline: auto;
  padding: 8px 10px 8px 18px;
  border: 1px solid var(--yh-hair-dark);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(11, 31, 51, 0.96), rgba(11, 31, 51, 0.88));
  box-shadow: 0 18px 40px -30px rgba(8, 23, 38, 0.9);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  transition: box-shadow 0.24s var(--yh-ease), border-color 0.24s var(--yh-ease);
}

.yh-header[data-compact] .yh-header__inner {
  border-color: rgba(52, 224, 208, 0.28);
  box-shadow: 0 22px 36px -26px rgba(8, 23, 38, 0.95);
}

/* brand */
.yh-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 4px 0;
  border-radius: 8px;
}

.yh-brand__mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--yh-font-display);
  font-weight: 900;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--yh-paper);
  white-space: nowrap;
}

.yh-brand__mark::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--yh-orange);
  box-shadow: 0 0 0 3px rgba(255, 106, 43, 0.18);
  flex: none;
}

.yh-brand__tag {
  padding-left: 11px;
  border-left: 1px solid var(--yh-hair-dark);
  font-family: var(--yh-font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yh-cyan);
  white-space: nowrap;
}

.yh-brand--footer { padding-left: 0; }

/* nav */
.yh-nav {
  margin-left: auto;
  min-width: 0;
}

.yh-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.yh-nav__item { display: block; }

.yh-nav__link {
  position: relative;
  display: block;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--yh-on-dark);
  white-space: nowrap;
  transition: color 0.18s var(--yh-ease), background-color 0.18s var(--yh-ease);
}

.yh-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--yh-orange);
  transform: translateX(-50%);
  transition: width 0.22s var(--yh-ease);
}

.yh-nav__link:hover {
  color: var(--yh-paper);
  background: rgba(52, 224, 208, 0.13);
}

.yh-nav__link[aria-current="page"] {
  color: #fff;
  background: rgba(244, 235, 221, 0.1);
}

.yh-nav__link[aria-current="page"]::after { width: 16px; }

/* tools */
.yh-header__tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.yh-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid rgba(52, 224, 208, 0.4);
  border-radius: 999px;
  font-family: var(--yh-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yh-cyan);
  white-space: nowrap;
}

.yh-chip--season::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yh-cyan);
  box-shadow: 0 0 0 3px rgba(52, 224, 208, 0.18);
  flex: none;
}

/* buttons */
.yh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.3;
  white-space: nowrap;
  transition: transform 0.18s var(--yh-ease), background-color 0.18s var(--yh-ease), color 0.18s var(--yh-ease), border-color 0.18s var(--yh-ease);
}

.yh-btn--primary {
  background: var(--yh-orange);
  color: var(--yh-black);
  box-shadow: 0 18px 28px -18px rgba(255, 106, 43, 0.9);
}

.yh-btn--primary:hover { background: #ff7f4f; transform: translateY(-1px); }

.yh-btn--ghost {
  background: transparent;
  border-color: rgba(244, 235, 221, 0.32);
  color: var(--yh-paper);
}

.yh-btn--ghost:hover { border-color: var(--yh-cyan); color: var(--yh-cyan); }

/* mobile toggle */
.yh-navtoggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid rgba(244, 235, 221, 0.28);
  border-radius: 999px;
  background: rgba(244, 235, 221, 0.08);
  transition: border-color 0.18s var(--yh-ease), background-color 0.18s var(--yh-ease);
}

.yh-navtoggle:hover { border-color: var(--yh-cyan); }

.yh-navtoggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--yh-paper);
  transition: transform 0.2s var(--yh-ease), opacity 0.2s var(--yh-ease);
}

.yh-navtoggle[aria-expanded="true"] .yh-navtoggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.yh-navtoggle[aria-expanded="true"] .yh-navtoggle__bar:nth-child(2) { opacity: 0; }
.yh-navtoggle[aria-expanded="true"] .yh-navtoggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* scroll progress */
.yh-progress {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--yh-orange), var(--yh-gold) 55%, var(--yh-cyan));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
  pointer-events: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.yh-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--yh-ink);
  color: var(--yh-paper);
  overflow: hidden;
}

.yh-footer__tape {
  height: 4px;
  background: linear-gradient(90deg, var(--yh-orange) 0 34%, var(--yh-cyan) 34% 68%, var(--yh-gold) 68% 100%);
}

.yh-footer__inner { padding-block: clamp(36px, 5vw, 60px) 26px; }

.yh-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 36px 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--yh-hair-dark);
}

.yh-footer__brand { display: grid; gap: 14px; align-content: start; }

.yh-footer__lede {
  max-width: 34ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--yh-on-dark);
}

.yh-footer__meta {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 2px;
}

.yh-label {
  font-family: var(--yh-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yh-teal);
}

.yh-label--light { color: var(--yh-cyan); }

.yh-mono {
  font-family: var(--yh-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
  color: var(--yh-on-dark);
}

.yh-footer__col { display: block; }

.yh-footer__coltitle {
  font-family: var(--yh-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yh-on-dark-dim);
  margin-bottom: 14px;
}

.yh-footer__links { display: grid; gap: 8px; }

.yh-footer__link {
  display: inline-block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  font-size: 0.92rem;
  color: var(--yh-on-dark);
  transition: color 0.18s var(--yh-ease), border-color 0.18s var(--yh-ease);
}

.yh-footer__link:hover { color: var(--yh-cyan); border-bottom-color: var(--yh-cyan); }

.yh-footer__link[aria-current="page"] { color: var(--yh-paper); border-bottom-color: var(--yh-orange); }

.yh-footer__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  padding-block: 22px;
  border-bottom: 1px solid var(--yh-hair-dark);
}

.yh-footer__contactitem {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.9rem;
}

.yh-footer__value { color: var(--yh-paper); font-size: 0.92rem; }

.yh-footer__note {
  padding-block: 18px;
  font-size: 0.82rem;
  color: var(--yh-on-dark-dim);
}

.yh-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 16px;
  font-size: 0.82rem;
  color: var(--yh-on-dark-dim);
}

.yh-footer__copy { font-variant-numeric: tabular-nums; }

.yh-footer__legal { display: flex; flex-wrap: wrap; gap: 6px 18px; }

.yh-footer__icp {
  font-family: var(--yh-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--yh-on-dark-dim);
}

/* ==========================================================================
   SHARED PAGE BLOCKS
   ========================================================================== */
.yh-section { padding-block: clamp(44px, 6vw, 88px); }

.yh-section--paper { background: var(--yh-paper); }
.yh-section--dark { background: var(--yh-ink); color: var(--yh-paper); }
.yh-section--dark h1,
.yh-section--dark h2,
.yh-section--dark h3 { color: var(--yh-paper); }
.yh-section--dark .yh-label { color: var(--yh-cyan); }
.yh-section--dark .yh-lead { color: var(--yh-on-dark); }

.yh-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--yh-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yh-teal);
}

.yh-eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--yh-line);
}

.yh-section--dark .yh-eyebrow { color: var(--yh-cyan); }
.yh-section--dark .yh-eyebrow::after { background: var(--yh-hair-dark); }

/* prose */
.yh-prose {
  max-width: 64ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--yh-ink);
}

.yh-prose > * + * { margin-top: 1.05em; }
.yh-prose h2 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); margin-top: 1.8em; }
.yh-prose h3 { margin-top: 1.6em; }

.yh-prose ul,
.yh-prose ol { list-style: disc; padding-left: 1.3em; }
.yh-prose ol { list-style: decimal; }
.yh-prose li + li { margin-top: 0.4em; }
.yh-prose strong { font-weight: 700; color: var(--yh-ink); }
.yh-prose a { color: var(--yh-teal); border-bottom: 1px solid currentColor; }

.yh-section--dark .yh-prose { color: var(--yh-on-dark); }
.yh-section--dark .yh-prose strong { color: var(--yh-paper); }
.yh-section--dark .yh-prose a { color: var(--yh-cyan); }

/* breadcrumbs */
.yh-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-family: var(--yh-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--yh-teal);
}

.yh-crumbs__item { display: inline-flex; align-items: center; }

.yh-crumbs__item:not(:first-child)::before {
  content: "/";
  margin: 0 8px;
  color: var(--yh-line);
}

.yh-crumbs__item a { border-bottom: 1px solid transparent; }
.yh-crumbs__item a:hover { border-bottom-color: currentColor; }

/* grid */
.yh-grid { display: grid; gap: clamp(14px, 2vw, 24px); }
.yh-grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.yh-grid--3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

/* bento */
.yh-bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
}

.yh-span-4 { grid-column: span 4; }
.yh-span-6 { grid-column: span 6; }
.yh-span-8 { grid-column: span 8; }
.yh-span-12 { grid-column: span 12; }

/* panels & cards */
.yh-panel {
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--yh-radius-m);
  background: var(--yh-paper-soft);
  color: var(--yh-ink);
}

.yh-panel--dark {
  background: var(--yh-ink);
  color: var(--yh-paper);
}

.yh-panel--dark h2,
.yh-panel--dark h3 { color: var(--yh-paper); }

.yh-card {
  display: block;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--yh-radius-m);
  background: var(--yh-paper-soft);
  color: var(--yh-ink);
  transition: transform 0.2s var(--yh-ease), background-color 0.2s var(--yh-ease);
}

.yh-card:hover { transform: translateY(-3px); background: #fffdf7; }

/* figure container for page-stage images */
.yh-figure {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius-m);
  background:
    linear-gradient(135deg, rgba(52, 224, 208, 0.16), rgba(11, 31, 51, 0.06) 62%),
    repeating-linear-gradient(0deg, rgba(11, 31, 51, 0.08) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(11, 31, 51, 0.08) 0 1px, transparent 1px 24px),
    var(--yh-paper-dim);
}

.yh-figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yh-figure__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-family: var(--yh-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--yh-paper);
  background: linear-gradient(180deg, transparent, rgba(11, 31, 51, 0.86));
}

.yh-section--dark .yh-figure {
  border-color: rgba(244, 235, 221, 0.2);
  background:
    linear-gradient(135deg, rgba(52, 224, 208, 0.18), rgba(8, 23, 38, 0.4) 62%),
    repeating-linear-gradient(0deg, rgba(244, 235, 221, 0.1) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(244, 235, 221, 0.1) 0 1px, transparent 1px 24px),
    var(--yh-ink-soft);
}

/* tabs */
.yh-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--yh-line);
  border-radius: 999px;
  background: rgba(11, 31, 51, 0.05);
}

.yh-tab {
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--yh-ink);
  transition: background-color 0.18s var(--yh-ease), color 0.18s var(--yh-ease);
}

.yh-tab:hover { background: rgba(52, 224, 208, 0.18); }

.yh-tab[aria-selected="true"] {
  background: var(--yh-ink);
  color: var(--yh-paper);
}

.yh-tabpanel[hidden] { display: none; }

/* small parts */
.yh-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(217, 164, 65, 0.45);
  border-radius: 6px;
  background: rgba(217, 164, 65, 0.16);
  font-family: var(--yh-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7a5610;
}

.yh-anchor {
  font-family: var(--yh-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--yh-teal);
}

.yh-note {
  padding: 14px 18px;
  border-left: 3px solid var(--yh-orange);
  border-radius: 0 var(--yh-radius-s) var(--yh-radius-s) 0;
  background: rgba(255, 106, 43, 0.09);
  font-size: 0.95rem;
}

.yh-divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--yh-line);
}

.yh-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--yh-ease), transform 0.5s var(--yh-ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1120px) {
  .yh-chip--season { display: none; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 88px; }

  .yh-header { padding: 10px 12px 0; }
  .yh-header[data-compact] { padding-top: 6px; }

  .yh-header__inner { padding: 7px 8px 7px 14px; gap: 8px; }

  .yh-brand__tag { display: none; }

  .yh-navtoggle { display: inline-flex; }

  .yh-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    margin-left: 0;
    padding: 12px;
    border: 1px solid var(--yh-hair-dark);
    border-radius: 20px;
    background: rgba(11, 31, 51, 0.97);
    box-shadow: var(--yh-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.2s var(--yh-ease), transform 0.2s var(--yh-ease), visibility 0.2s linear, max-height 0.26s var(--yh-ease);
  }

  .yh-header[data-open] .yh-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 76vh;
    overflow-y: auto;
  }

  .yh-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .yh-nav__link {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 0.98rem;
  }

  .yh-nav__link::after {
    left: 6px;
    top: 50%;
    bottom: auto;
    width: 3px;
    height: 0;
    transform: translateY(-50%);
    transition: height 0.2s var(--yh-ease);
  }

  .yh-nav__link[aria-current="page"]::after { width: 3px; height: 18px; }

  .yh-footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .yh-footer__brand { grid-column: 1 / -1; }

  .yh-span-4,
  .yh-span-6,
  .yh-span-8 { grid-column: span 6; }
}

@media (max-width: 720px) {
  .yh-header__tools .yh-btn { display: none; }
}

@media (max-width: 560px) {
  .yh-footer__top { grid-template-columns: 1fr; }
  .yh-footer__contact { flex-direction: column; gap: 10px; }
  .yh-footer__bottom { flex-direction: column; align-items: flex-start; }
  .yh-span-4,
  .yh-span-6,
  .yh-span-8,
  .yh-span-12 { grid-column: span 12; }
}

/* ==========================================================================
   MOTION PREFERENCES
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .yh-progress { transition: none; }
  .yh-card:hover { transform: none; }
  .yh-btn--primary:hover { transform: none; }
}