/* ==========================================================================
   开博体育 Site Kit — /assets/site.css
   共享样式：全局令牌、基础排版、头部、页脚、通用组件、响应式与动效
   ========================================================================== */

/* ---------- 01 · Design Tokens ---------- */
:root {
  --color-navy: #0A1F44;
  --color-navy-deep: #071633;
  --color-orange: #FF6B35;
  --color-teal: #00C2A8;
  --color-light: #F5F7FA;
  --color-white: #FFFFFF;
  --color-slate: #B0B8C9;
  --color-border: #E6EAF0;
  --font-headline: 'Arial Black', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-data: 'Roboto Mono', 'SF Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;
  --content-width: 1260px;
  --header-height: 72px;
  --radius: 6px;
  --shadow-sm: 0 2px 12px rgba(2, 8, 24, 0.16);
  --shadow-md: 0 12px 36px rgba(2, 8, 24, 0.24);
  --shadow-orange: 0 8px 24px rgba(255, 107, 53, 0.3);
  --shadow-teal: 0 8px 24px rgba(0, 194, 168, 0.26);
  --ease: 0.22s ease;
}

/* ---------- 02 · Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-white);
  background-color: var(--color-navy);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 46px 46px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

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

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--ease), background-color var(--ease), border-color var(--ease), box-shadow var(--ease), padding var(--ease), opacity var(--ease);
}

a:hover {
  color: var(--color-orange);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  line-height: 1.22;
  color: inherit;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.15rem, 5vw, 3.8rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
}

h3 {
  font-size: clamp(1.16rem, 2.2vw, 1.48rem);
}

h4 {
  font-size: 1.05rem;
}

p {
  text-wrap: pretty;
}

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

:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
  border-radius: 2px;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-navy-deep);
}

::-webkit-scrollbar-thumb {
  background: #203763;
  border-radius: 5px;
  border: 2px solid var(--color-navy-deep);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-orange);
}

/* ---------- 03 · Utilities ---------- */
.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;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 2000;
  display: inline-block;
  padding: 0.85rem 1.35rem;
  background: var(--color-orange);
  color: var(--color-navy);
  font-weight: 700;
  border-radius: 4px;
  box-shadow: var(--shadow-md);
  transition: top var(--ease);
}

.skip-link:focus {
  top: 1rem;
}

.content-container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.page-top-space {
  padding-top: calc(var(--header-height) + 2rem);
}

.text-muted {
  color: var(--color-slate);
}

.text-light {
  color: var(--color-white);
}

.text-teal {
  color: var(--color-teal);
}

.text-orange {
  color: var(--color-orange);
}

/* ---------- 04 · Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(10, 31, 68, 0.86) 0%, rgba(10, 31, 68, 0.28) 72%, rgba(10, 31, 68, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header[data-scrolled] {
  background: rgba(10, 31, 68, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(2, 8, 24, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  height: var(--header-height);
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.brand-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.brand-logo::before,
.footer-logo::before {
  content: "";
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  background: var(--color-orange);
  transform: skewX(-18deg);
  box-shadow: 4px 4px 0 rgba(255, 107, 53, 0.4);
}

.brand-mark {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: 1.32rem;
  line-height: 1.2;
  color: var(--color-white);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-aux {
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-teal);
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-logo:hover .brand-mark {
  color: var(--color-orange);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-list li {
  display: flex;
  align-items: center;
}

@media (min-width: 993px) {
  .nav-list li:not(:first-child)::before {
    content: "";
    display: inline-block;
    width: 1px;
    height: 15px;
    margin-right: 0.45rem;
    background: rgba(255, 255, 255, 0.22);
    transform: skewX(-24deg);
  }
}

.nav-list a {
  display: inline-block;
  padding: 0.45rem 0.65rem;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--color-white);
  border: 1px solid transparent;
  border-radius: 3px;
  line-height: 1.4;
}

.nav-list a:hover {
  color: var(--color-orange);
  background: rgba(255, 255, 255, 0.07);
}

.nav-list a[aria-current="page"] {
  color: var(--color-orange);
  border-color: rgba(255, 107, 53, 0.55);
  background: rgba(255, 107, 53, 0.13);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.header-utility {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.95rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
  border-radius: 3px;
  white-space: nowrap;
  transition: all var(--ease);
}

.header-utility:hover {
  background: var(--color-teal);
  color: var(--color-navy);
  box-shadow: var(--shadow-teal);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--ease), background-color var(--ease);
}

.nav-toggle:hover {
  border-color: var(--color-orange);
  background: rgba(255, 107, 53, 0.12);
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform 0.26s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-teal);
}

.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);
}

body[data-nav-open] {
  overflow: hidden;
}

/* ---------- 05 · Footer ---------- */
.site-footer {
  position: relative;
  z-index: 0;
  margin-top: clamp(2rem, 6vw, 4.5rem);
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  background-color: var(--color-navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.site-footer::before {
  content: "KAIBO";
  position: absolute;
  right: -0.03em;
  bottom: -0.08em;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(5rem, 15vw, 13rem);
  line-height: 1;
  color: rgba(255, 255, 255, 0.035);
  letter-spacing: -0.04em;
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}

.footer-container {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}

.footer-tagline {
  color: var(--color-teal);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  margin-top: 0.15rem;
}

.footer-trust {
  margin-top: 0.75rem;
  color: var(--color-slate);
  font-size: 0.88rem;
  line-height: 1.8;
  max-width: 38ch;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.footer-col-title {
  display: inline-block;
  padding-bottom: 0.4rem;
  margin-bottom: 0.95rem;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: 0.98rem;
  color: var(--color-white);
  border-bottom: 3px solid var(--color-teal);
  letter-spacing: 0.04em;
}

.footer-links li {
  margin-bottom: 0.42rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--color-orange);
  padding-left: 6px;
}

.footer-contact li {
  color: var(--color-slate);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 0.4rem;
}

.footer-contact li:first-child {
  color: var(--color-teal);
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.1rem 0 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--color-slate);
}

/* ---------- 06 · Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  border: 2px solid transparent;
  border-radius: 3px;
  text-align: center;
  white-space: nowrap;
  text-decoration: none;
  transition: all var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-navy);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-orange);
  box-shadow: var(--shadow-orange);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.btn--ghost:hover {
  background: var(--color-teal);
  border-color: var(--color-teal);
  color: var(--color-navy);
  box-shadow: var(--shadow-teal);
}

.btn--dark {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.btn--dark:hover {
  background: var(--color-light);
  border-color: var(--color-light);
  color: var(--color-navy);
}

.btn--block {
  width: 100%;
}

/* ---------- 07 · Cards ---------- */
.card {
  background: var(--color-light);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-teal);
  box-shadow: var(--shadow-md);
}

.card h1,
.card h2,
.card h3,
.card h4 {
  color: var(--color-navy);
}

.card a {
  color: var(--color-teal);
}

.card a:hover {
  color: var(--color-orange);
}

.card--dark {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.1);
}

.card--dark h1,
.card--dark h2,
.card--dark h3,
.card--dark h4 {
  color: var(--color-white);
}

.card--dark:hover {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-md);
}

.card--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.card--ghost h1,
.card--ghost h2,
.card--ghost h3,
.card--ghost h4 {
  color: var(--color-white);
}

.card--ghost:hover {
  border-color: var(--color-teal);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
}

/* ---------- 08 · Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.4;
  border-radius: 2px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.tag--orange {
  background: rgba(255, 107, 53, 0.14);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: var(--color-orange);
}

.tag--teal {
  background: rgba(0, 194, 168, 0.14);
  border: 1px solid rgba(0, 194, 168, 0.4);
  color: var(--color-teal);
}

.tag--light {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--color-light);
}

/* ---------- 09 · Data Display ---------- */
.data-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.1;
  color: var(--color-orange);
  font-style: normal;
  letter-spacing: -0.03em;
}

.data-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}

.data-list dt {
  font-size: 0.78rem;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.data-list dd {
  margin-top: 0.2rem;
  font-family: var(--font-data);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-teal);
}

/* ---------- 10 · Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.9rem 0;
  font-size: 0.88rem;
  color: var(--color-slate);
}

.breadcrumb-link {
  color: var(--color-teal);
}

.breadcrumb-link:hover {
  color: var(--color-orange);
}

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.28);
}

.breadcrumb-current {
  color: var(--color-white);
  opacity: 0.92;
  font-weight: 500;
}

/* ---------- 11 · Sections & Hero ---------- */
.section {
  position: relative;
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.section-head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.section-title {
  margin-bottom: 0.35rem;
}

.section-sub {
  color: var(--color-slate);
  font-size: 1.05rem;
  max-width: 56ch;
}

.section--light {
  background: var(--color-light);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.section--light .section-title {
  color: var(--color-navy);
}

.section--light .section-sub {
  color: #5a6a85;
}

.section--striped {
  background: repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.025) 0 14px, transparent 14px 28px);
}

.page-hero {
  position: relative;
  padding-top: calc(var(--header-height) + clamp(2.5rem, 8vw, 5.5rem));
  padding-bottom: clamp(2rem, 6vw, 4rem);
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 78% 20%, rgba(0, 194, 168, 0.14), transparent 42%),
    radial-gradient(ellipse at 88% 80%, rgba(255, 107, 53, 0.16), transparent 46%);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(44%, 34rem);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.3), rgba(0, 194, 168, 0.16));
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-hero .content-container {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.2rem, 5.2vw, 3.9rem);
  max-width: 14ch;
  margin-bottom: 0.75rem;
}

.hero-desc {
  color: var(--color-slate);
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 48ch;
}

.divider {
  display: block;
  height: 4px;
  max-width: 44px;
  background: var(--color-orange);
  border-radius: 2px;
  margin: 1.25rem 0;
  transform: skewX(-24deg);
  position: relative;
}

.divider::after {
  content: "";
  position: absolute;
  top: 0;
  left: calc(100% + 6px);
  height: 100%;
  width: 18px;
  background: var(--color-teal);
  opacity: 0.85;
  border-radius: 2px;
}

.diag-line {
  display: block;
  width: 48px;
  height: 4px;
  background: var(--color-orange);
  border-radius: 2px;
  transform: skewX(-22deg);
  position: relative;
}

.diag-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: calc(100% + 6px);
  width: 20px;
  height: 100%;
  border-radius: 2px;
  background: var(--color-teal);
}

/* ---------- 12 · Layout Grid ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--2-1 {
  grid-template-columns: 2fr minmax(0, 1fr);
}

.grid--1-2 {
  grid-template-columns: minmax(0, 1fr) 2fr;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

/* ---------- 13 · Image Frames ---------- */
.img-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--color-navy);
  background-image:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 14px),
    radial-gradient(ellipse at 75% 25%, rgba(255, 107, 53, 0.26), transparent 55%),
    radial-gradient(ellipse at 25% 85%, rgba(0, 194, 168, 0.22), transparent 50%);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.img-frame::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(0.9rem, 1.6vw, 1.25rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  pointer-events: none;
  z-index: 0;
}

.img-frame img,
.img-frame > * {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--wide {
  aspect-ratio: 16 / 9;
}

.img-frame--tall {
  aspect-ratio: 3 / 4;
}

.img-frame--square {
  aspect-ratio: 1 / 1;
}

.img-frame--scale-up {
  aspect-ratio: 4 / 3;
}

/* ---------- 14 · Content Link ---------- */
.content-link {
  border-bottom: 1px solid rgba(0, 194, 168, 0.45);
  padding-bottom: 1px;
  color: var(--color-teal);
}

.content-link:hover {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

/* ---------- 15 · Reveal ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.has-js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ---------- 16 · Responsive ---------- */
@media (max-width: 992px) {
  :root {
    --header-height: 66px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-utility {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    z-index: 999;
    width: min(82vw, 360px);
    padding: 1.75rem 1.5rem 2.5rem;
    background: rgba(10, 31, 68, 0.985);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -18px 0 44px rgba(2, 8, 24, 0.45);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0s 0.3s;
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.3s ease, visibility 0s 0s;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav-list li {
    display: block;
  }

  .nav-list li::before {
    display: none !important;
  }

  .nav-list a {
    display: block;
    padding: 0.85rem 0.9rem;
    font-size: 1.02rem;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
  }

  .nav-list a[aria-current="page"] {
    border-left: 3px solid var(--color-orange);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-trust {
    max-width: none;
  }

  .footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 62px;
  }

  .brand-mark {
    font-size: 1.18rem;
  }

  .brand-aux {
    font-size: 0.66rem;
    letter-spacing: 0.16em;
  }
}

@media (max-width: 640px) {
  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-col:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* ---------- 17 · Accessibility & Motion ---------- */
@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;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover,
  .card:hover {
    transform: none;
  }

  .footer-links a:hover {
    padding-left: 0;
  }

  .nav-list a:hover {
    background: transparent;
  }
}