/* ==========================================================
   SITE KIT — 云顶集团WELCOME / /assets/site.css
   ========================================================== */

/* ---------- 0. RESET & VARIABLES ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-navy: #0B1736;
  --c-navy-2: #16295B;
  --c-gold: #F5D77A;
  --c-gold-deep: #C9A227;
  --c-emerald: #1FA88E;
  --c-cyan: #00E5FF;
  --c-cloud: #F4F6FB;
  --c-ink: #1E293B;
  --c-slate: #64748B;
  --c-smoke: #F8F8F2;
  --grad-gold: linear-gradient(135deg, #F5D77A 0%, #C9A227 100%);
  --grad-navy: linear-gradient(180deg, #0B1736 0%, #10234D 100%);
  --glass: rgba(11, 23, 54, 0.9);
  --font-head: "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --fs-display: clamp(32px, 5vw, 48px);
  --fs-h1: clamp(28px, 4vw, 36px);
  --fs-h2: clamp(24px, 3vw, 28px);
  --fs-h3: clamp(20px, 2.5vw, 22px);
  --fs-body: 16px;
  --fs-caption: 13px;
  --lh-display: 1.15;
  --lh-body: 1.75;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 16px;
  --sp-4: 24px;
  --sp-5: 32px;
  --sp-6: 48px;
  --sp-7: 64px;
  --sp-8: 96px;
  --header-h: 72px;
  --container: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur: 0.35s;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-cloud);
  background-color: var(--c-navy);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(22, 41, 91, 0.45), transparent 70%),
    radial-gradient(ellipse 60% 45% at 100% 15%, rgba(0, 229, 255, 0.04), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  padding: 0;
}

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

input,
textarea,
select {
  font: inherit;
}

/* ---------- 1. TYPOGRAPHY ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: var(--lh-display);
  color: var(--c-cloud);
  word-break: break-word;
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

.section--light h1,
.section--light h2,
.section--light h3 {
  color: var(--c-ink);
}

/* ---------- 2. LAYOUT PRIMITIVES ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--sp-7);
}

.section--tight {
  padding-block: var(--sp-5);
}

.section--light {
  background: var(--c-cloud);
  color: var(--c-ink);
}

.section--dark {
  background: var(--c-navy);
  color: var(--c-cloud);
}

.prose {
  max-width: 72ch;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: rgba(244, 246, 251, 0.85);
}

.prose p {
  margin-bottom: 1.6em;
}

.prose h2,
.prose h3 {
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--c-cloud);
  margin: 2em 0 0.8em;
}

.prose strong {
  color: var(--c-gold);
  font-weight: 600;
}

.section--light .prose {
  color: var(--c-ink);
}

.section--light .prose h2,
.section--light .prose h3 {
  color: var(--c-navy);
}

/* ---------- 3. GRID ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--aside {
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* ---------- 4. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.2;
  border-radius: 999px;
  text-decoration: none;
  position: relative;
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.btn--gold {
  background: var(--grad-gold);
  color: var(--c-navy);
  box-shadow: 0 6px 24px rgba(245, 215, 122, 0.25);
}

.btn--gold:hover,
.btn--gold:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(245, 215, 122, 0.35);
}

.btn--gold:active::after,
.btn--gold:focus-visible::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 8px rgba(245, 215, 122, 0.12);
}

.btn--ghost {
  background: transparent;
  color: var(--c-cloud);
  border: 1px solid rgba(248, 248, 242, 0.3);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.section--light .btn--ghost {
  color: var(--c-ink);
  border-color: rgba(30, 41, 59, 0.25);
}

.section--light .btn--ghost:hover,
.section--light .btn--ghost:focus-visible {
  border-color: var(--c-gold-deep);
  color: var(--c-gold-deep);
}

/* ---------- 5. SKIP LINK ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 999;
  padding: 12px 28px;
  background: var(--grad-gold);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  border-radius: 0 0 10px 10px;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus-visible {
  top: 0;
}

/* ---------- 6. HEADER ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(11, 23, 54, 0.78) 0%, rgba(11, 23, 54, 0.35) 75%, rgba(11, 23, 54, 0) 100%);
  border-bottom: 1px solid transparent;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] {
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(245, 215, 122, 0.18);
  box-shadow: 0 8px 32px rgba(2, 6, 23, 0.35);
}

.site-header__inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ---------- 7. BRAND ---------- */
.site-brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--grad-gold);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  border-radius: 12px 12px 12px 3px;
  transform: skewX(-6deg);
  box-shadow: 0 4px 18px rgba(201, 162, 39, 0.35);
}

.site-brand__group {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.site-brand__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  color: var(--c-cloud);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.site-brand__sub {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 500;
  color: var(--c-gold);
  letter-spacing: 0.3em;
}

/* ---------- 8. NAVIGATION ---------- */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.site-nav__list a {
  position: relative;
  display: block;
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: rgba(248, 248, 242, 0.88);
  letter-spacing: 0.04em;
  border-radius: 6px;
  transition: color var(--dur) var(--ease);
}

.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--grad-gold);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible,
.site-nav__list a[aria-current="page"] {
  color: var(--c-gold);
}

.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after,
.site-nav__list a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* ---------- 9. HEADER CTA & TOGGLE ---------- */
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 10px 24px;
  background: var(--grad-gold);
  color: var(--c-navy);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  line-height: 1.2;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(245, 215, 122, 0.25);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 215, 122, 0.45);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid rgba(248, 248, 242, 0.28);
  border-radius: 10px;
  background: rgba(11, 23, 54, 0.4);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--c-gold);
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-cloud);
  border-radius: 2px;
  transition:
    transform var(--dur) var(--ease),
    opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 10. MOBILE NAV (≤960px) ---------- */
@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: var(--gutter);
    right: var(--gutter);
    flex: none;
    margin: 0 auto;
    max-width: calc(var(--container) - 2 * var(--gutter));
    background: rgba(11, 23, 54, 0.96);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    border: 1px solid rgba(245, 215, 122, 0.2);
    border-top: 2px solid var(--c-gold-deep);
    border-radius: 0 0 16px 16px;
    box-shadow: 0 20px 48px rgba(2, 6, 23, 0.55);
    clip-path: polygon(0 0, 100% 3.2%, 100% 100%, 0 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility 0s linear var(--dur);
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility 0s;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-2);
  }

  .site-nav__list a {
    display: block;
    padding: 15px 20px;
    font-size: 16px;
    border-bottom: 1px solid rgba(248, 248, 242, 0.07);
    border-radius: 8px;
  }

  .site-nav__list li:last-child a {
    border-bottom: none;
  }

  .site-nav__list a::after {
    display: none;
  }

  .site-nav__list a:hover,
  .site-nav__list a:focus-visible,
  .site-nav__list a[aria-current="page"] {
    color: var(--c-gold);
    background: rgba(245, 215, 122, 0.06);
  }
}

/* ---------- 11. FOOTER ---------- */
.site-footer {
  position: relative;
  background: var(--c-navy);
  color: rgba(244, 246, 251, 0.75);
  margin-top: var(--sp-8);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-gold);
  opacity: 0.7;
  z-index: 1;
}

.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 380px 140px at 85% 0%, rgba(245, 215, 122, 0.08), transparent 70%),
    radial-gradient(ellipse 240px 120px at 10% 100%, rgba(0, 229, 255, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.site-footer__top {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-7) var(--gutter) var(--sp-5);
  display: grid;
  grid-template-columns: 5fr 4fr 3fr;
  gap: var(--sp-6);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-3);
}

.site-brand--footer {
  margin-bottom: var(--sp-1);
}

.site-footer__tagline {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-gold);
  letter-spacing: 0.12em;
}

.site-footer__trust {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(148, 163, 184, 0.75);
  max-width: 32ch;
}

.site-footer__heading {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: var(--sp-3);
}

.site-footer__contact p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 246, 251, 0.7);
}

.site-footer__note {
  margin-top: var(--sp-2);
  font-size: 13px;
  color: rgba(148, 163, 184, 0.6);
  font-family: var(--font-head);
}

.site-footer__linklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer__linklist a {
  display: inline-block;
  padding: 6px 0;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  color: rgba(244, 246, 251, 0.72);
  letter-spacing: 0.03em;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.site-footer__linklist a:hover,
.site-footer__linklist a:focus-visible {
  color: var(--c-gold);
  transform: translateX(4px);
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-4) var(--gutter);
  border-top: 1px solid rgba(248, 248, 242, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
}

.site-footer__copyright,
.site-footer__icp {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(148, 163, 184, 0.6);
}

@media (max-width: 960px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: var(--sp-2);
    text-align: center;
  }
}

/* ---------- 12. BACK TO TOP ---------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 150;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--grad-gold);
  color: var(--c-navy);
  font-size: 20px;
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(245, 215, 122, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    visibility 0s linear var(--dur);
}

.back-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    visibility 0s;
}

.back-top:hover,
.back-top:focus-visible {
  box-shadow:
    0 0 0 4px rgba(245, 215, 122, 0.2),
    0 12px 32px rgba(245, 215, 122, 0.4);
  transform: translateY(-2px);
}

/* ---------- 13. BREADCRUMB ---------- */
.breadcrumb {
  --crumb-color: var(--c-slate);
  --crumb-current: var(--c-cloud);
  padding: var(--sp-3) 0;
  font-family: var(--font-head);
  font-size: 13px;
  color: var(--crumb-color);
  overflow-x: auto;
  white-space: nowrap;
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li + li::before {
  content: "/";
  font-family: var(--font-mono);
  color: rgba(148, 163, 184, 0.4);
}

.breadcrumb a {
  color: var(--crumb-color);
  padding: 4px 8px;
  border-radius: 4px;
  transition: color var(--dur) var(--ease);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--c-gold);
}

.breadcrumb [aria-current="page"] {
  color: var(--crumb-current);
  pointer-events: none;
}

.section--light .breadcrumb {
  --crumb-current: var(--c-ink);
}

/* ---------- 14. COMPONENTS ---------- */
.card {
  background: rgba(22, 41, 91, 0.6);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(248, 248, 242, 0.08);
  border-radius: 16px;
  padding: var(--sp-5);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(245, 215, 122, 0.4);
  box-shadow: 0 12px 32px rgba(2, 6, 23, 0.35);
}

.card--light {
  background: var(--c-cloud);
  border-color: rgba(30, 41, 59, 0.08);
  color: var(--c-ink);
}

.card--light:hover,
.card--light:focus-within {
  border-color: rgba(201, 162, 39, 0.45);
  box-shadow: 0 12px 32px rgba(11, 23, 54, 0.1);
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: 999px;
  line-height: 1.3;
  background: rgba(245, 215, 122, 0.1);
  color: var(--c-gold);
  border: 1px solid rgba(245, 215, 122, 0.25);
}

.label--emerald {
  background: rgba(31, 168, 142, 0.12);
  color: var(--c-emerald);
  border-color: rgba(31, 168, 142, 0.3);
}

.label--cyan {
  background: rgba(0, 229, 255, 0.1);
  color: var(--c-cyan);
  border-color: rgba(0, 229, 255, 0.25);
}

.label--smoke {
  background: rgba(248, 248, 242, 0.08);
  color: var(--c-smoke);
  border-color: rgba(248, 248, 242, 0.18);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.4em;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-gold);
  font-variant-numeric: tabular-nums;
}

.diagonal-accent {
  position: relative;
  overflow: hidden;
}

.diagonal-accent::before {
  content: "";
  position: absolute;
  top: -30px;
  left: -10%;
  width: 120%;
  height: 60px;
  background: var(--grad-gold);
  transform: rotate(-1.8deg);
  opacity: 0.08;
  pointer-events: none;
}

/* ---------- 15. PROGRESS BAR ---------- */
.progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--grad-gold);
  box-shadow: 0 0 12px rgba(245, 215, 122, 0.5);
  transition: width 0.08s linear;
  z-index: 210;
}

/* ---------- 16. RESPONSIVE ---------- */
@media (max-width: 960px) {
  .grid--aside,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .header-cta {
    margin-left: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .col-3,
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9 {
    grid-column: span 12;
  }

  .grid--2 {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: var(--sp-6);
  }

  .card {
    padding: var(--sp-4);
  }
}

@media (max-width: 640px) {
  .site-brand__name {
    font-size: 15px;
  }

  .site-brand__sub {
    font-size: 10px;
    letter-spacing: 0.24em;
  }

  .site-brand__mark {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }

  .header-cta {
    padding: 8px 18px;
    font-size: 13px;
  }

  .back-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 420px) {
  .header-cta {
    display: none;
  }
}

/* ---------- 17. FOCUS & REDUCED MOTION ---------- */
:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .back-top,
  .skip-link,
  .site-header,
  .site-nav,
  .progress-bar {
    transition: none !important;
  }
}