/* ======================================================
   竞博官网 · 全站共享样式 /assets/site.css
   设计语言：星际导航控制台 · 深空蓝 · 电光/霓虹点缀
   ====================================================== */

/* ---------- 01 Reset & Variables ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--deep-charcoal);
  background-color: var(--space-blue);
  padding-top: calc(var(--header-height) + 28px);
  overflow-x: hidden;
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

ul, ol {
  list-style: none;
}

address {
  font-style: normal;
}

:root {
  /* 品牌色板 */
  --space-blue: #0B1D3A;
  --electric-cyan: #00E5FF;
  --neon-green: #39FF14;
  --signal-orange: #FF5A36;
  --deep-charcoal: #1A1A1A;
  --cloud-gray: #F2F4F8;
  --pure-white: #FFFFFF;
  --nebula-purple: #9B59B6;

  /* 字体 */
  --font-heading: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* 布局 */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 3vw, 2rem);
  --header-height: 68px;
  --header-offset: calc(var(--header-height) + 28px);

  /* 圆角 */
  --radius-pill: 999px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;

  /* 阴影与辉光 */
  --shadow-1: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-2: 0 12px 44px rgba(0, 0, 0, 0.2);
  --glow-cyan: 0 0 14px rgba(0, 229, 255, 0.35);
  --glow-green: 0 0 16px rgba(57, 255, 20, 0.35);

  /* 动效 */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.6s;
}

/* ---------- 02 Base Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: inherit;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: 1em;
}

::selection {
  background: var(--electric-cyan);
  color: var(--space-blue);
}

/* ---------- 03 Focus & Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 04 Layout & Container ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}

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

@media (max-width: 768px) {
  .col-span-4, .col-span-6, .col-span-8 { grid-column: span 12; }
}

/* ---------- 05 Section Label & Eyebrow ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric-cyan);
  white-space: nowrap;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--neon-green);
  box-shadow: var(--glow-green);
  flex: 0 0 auto;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--nebula-purple);
}

.eyebrow::before {
  content: '// ';
  color: var(--electric-cyan);
}

/* ---------- 06 Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  background: var(--neon-green);
  color: var(--space-blue);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out), background-color 0.3s;
}

.btn-primary:hover {
  box-shadow: 0 0 36px rgba(57, 255, 20, 0.5), 0 6px 24px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--electric-cyan);
  border: 1px solid rgba(0, 229, 255, 0.5);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  transition: background-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-out);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.2);
  transform: translateY(-2px);
}

/* ---------- 07 Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border: 1px solid;
  line-height: 1.5;
  white-space: nowrap;
}

.tag--orange {
  color: var(--signal-orange);
  border-color: rgba(255, 90, 54, 0.4);
  background: rgba(255, 90, 54, 0.08);
}

.tag--green {
  color: var(--neon-green);
  border-color: rgba(57, 255, 20, 0.4);
  background: rgba(57, 255, 20, 0.08);
}

.tag--purple {
  color: var(--nebula-purple);
  border-color: rgba(155, 89, 182, 0.4);
  background: rgba(155, 89, 182, 0.08);
}

/* ---------- 08 Card ---------- */
.card {
  background: var(--cloud-gray);
  border: 1px solid rgba(11, 29, 58, 0.06);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

/* ---------- 09 Divider ---------- */
.divider-line {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.4), rgba(155, 89, 182, 0.4), transparent);
  margin: clamp(2rem, 4vw, 3rem) 0;
}

/* ---------- 10 Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.breadcrumb a {
  color: var(--electric-cyan);
  transition: opacity 0.2s;
}

.breadcrumb a:hover {
  opacity: 0.75;
}

.breadcrumb .breadcrumb-sep {
  color: var(--nebula-purple);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.breadcrumb .breadcrumb-current {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

/* ---------- 11 Image Placeholder ---------- */
.img-placeholder {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(11, 29, 58, 0.85) 0%, rgba(0, 229, 255, 0.06) 100%);
  aspect-ratio: 16 / 9;
  min-height: 120px;
}

.img-placeholder--square { aspect-ratio: 1; }
.img-placeholder--wide { aspect-ratio: 21 / 9; }

.img-placeholder::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: -40% -20%;
  background: linear-gradient(115deg, transparent 40%, rgba(0, 229, 255, 0.08) 50%, transparent 60%);
  pointer-events: none;
}

.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 12 Skip Link ---------- */
.skip-link {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%) translateY(-220%);
  background: var(--electric-cyan);
  color: var(--space-blue);
  padding: 10px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.85rem;
  z-index: 1200;
  transition: transform 0.3s var(--ease-out);
  box-shadow: var(--glow-cyan);
}

.skip-link:focus {
  transform: translateX(-50%) translateY(0);
}

/* ---------- 13 Header & Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--electric-cyan), var(--neon-green));
  z-index: 1100;
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
  pointer-events: none;
  transition: width 0.1s linear;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px clamp(12px, 3vw, 48px);
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

/* ---------- 14 Nav Pill ---------- */
.nav-pill {
  position: relative;
  max-width: calc(var(--container-max) + 48px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 28px);
  padding: 7px 10px 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(11, 29, 58, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(0, 229, 255, 0.2);
  box-shadow: 0 8px 44px rgba(0, 0, 0, 0.35), inset 0 0 24px rgba(0, 229, 255, 0.02);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.nav-pill:hover {
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 12px 52px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 229, 255, 0.06);
}

/* ---------- 15 Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
  flex: 0 0 auto;
  transition: opacity 0.2s;
}

.brand:hover {
  opacity: 0.92;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--electric-cyan), var(--nebula-purple));
  color: var(--space-blue);
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 900;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.35), 0 0 30px rgba(155, 89, 182, 0.15);
  line-height: 1;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--pure-white);
  line-height: 1.2;
}

.brand-accent {
  color: var(--electric-cyan);
  font-weight: 700;
}

/* ---------- 16 Navigation ---------- */
.site-nav {
  margin-inline: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.87rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
  transition: color 0.2s, background-color 0.2s;
}

.nav-list a:hover {
  color: var(--pure-white);
  background: rgba(0, 229, 255, 0.08);
}

.nav-list a[aria-current="page"] {
  color: var(--pure-white);
  background: rgba(0, 229, 255, 0.1);
  font-weight: 700;
}

.nav-list a[aria-current="page"]::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.7);
  margin-right: 7px;
}

/* ---------- 17 Nav Actions & Search ---------- */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex: 0 0 auto;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s, box-shadow 0.25s, background-color 0.25s;
  min-width: 0;
}

.search-box:focus-within {
  border-color: rgba(0, 229, 255, 0.55);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.15);
  background: rgba(255, 255, 255, 0.09);
}

.search-icon {
  position: relative;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  flex: 0 0 auto;
}

.search-icon::after {
  content: '';
  position: absolute;
  bottom: -4px;
  right: -5px;
  width: 7px;
  height: 2px;
  background: rgba(255, 255, 255, 0.55);
  transform: rotate(45deg);
  border-radius: 2px;
}

.search-input {
  width: 130px;
  border: none;
  background: transparent;
  outline: none;
  color: var(--pure-white);
  font-size: 0.84rem;
  line-height: 1.4;
  transition: width 0.3s var(--ease-out);
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.search-input:focus {
  width: 180px;
}

.search-input::-webkit-search-decoration,
.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

/* ---------- 18 Nav Toggle ---------- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s, background-color 0.2s;
  flex: 0 0 auto;
}

.nav-toggle:hover {
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.08);
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--pure-white);
  transition: transform 0.3s var(--ease-out), opacity 0.25s, background-color 0.2s;
}

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

.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);
  background: var(--electric-cyan);
}

/* ---------- 19 Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(180deg, var(--space-blue) 0%, #060D1F 100%);
  border-top: 1px solid rgba(0, 229, 255, 0.15);
  overflow: hidden;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.site-footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--electric-cyan) 30%, var(--nebula-purple) 70%, transparent 100%);
  opacity: 0.45;
  pointer-events: none;
}

.footer-glow {
  position: absolute;
  top: -120px;
  right: 8%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.13) 0%, transparent 65%);
  pointer-events: none;
}

.footer-container {
  position: relative;
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: 1.5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.footer-brand {
  grid-column: span 4;
}

.footer-links {
  grid-column: span 2;
}

.footer-contact {
  grid-column: span 4;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
  font-size: 19px;
}

.footer-brand .brand-text {
  font-size: 1.2rem;
}

.footer-trust {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-green);
  box-shadow: inset 2px 0 8px -4px rgba(57, 255, 20, 0.4);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.04em;
}

.footer-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--electric-cyan);
  margin-bottom: 14px;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 0.89rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s, padding-left 0.25s var(--ease-out);
}

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

.footer-links a::before {
  content: '› ';
  font-family: var(--font-mono);
  color: var(--nebula-purple);
  opacity: 0;
  transition: opacity 0.2s;
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-contact .contact-line {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}

.footer-contact .contact-line:first-of-type {
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}

.footer-bottom-links a:hover {
  color: var(--electric-cyan);
}

/* ---------- 20 Mobile Responsive ---------- */
@media (max-width: 900px) {
  body {
    padding-top: calc(var(--header-height) + 16px);
  }

  .site-header {
    padding: 10px clamp(10px, 2vw, 16px);
  }

  .nav-pill {
    padding: 6px 8px 6px 12px;
    border-radius: 22px;
    gap: 8px;
  }

  .brand-mark {
    width: 28px;
    height: 28px;
    font-size: 15px;
    border-radius: 8px;
  }

  .brand-text {
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(11, 29, 58, 0.97);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 20px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
    pointer-events: none;
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav-list a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 16px;
    font-size: 0.95rem;
    border-radius: 12px;
  }

  .nav-list a[aria-current="page"] {
    background: rgba(0, 229, 255, 0.1);
  }

  .search-box {
    padding: 6px 12px;
  }

  .search-input {
    width: 86px;
    font-size: 0.8rem;
  }

  .search-input:focus {
    width: 110px;
  }

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

  .footer-brand {
    grid-column: span 2;
  }

  .footer-links {
    grid-column: span 1;
  }

  .footer-contact {
    grid-column: span 2;
  }

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

@media (max-width: 480px) {
  .nav-pill {
    border-radius: 18px;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
    font-size: 14px;
  }

  .brand-text {
    font-size: 0.92rem;
  }

  .search-box {
    padding: 5px 10px;
    gap: 6px;
  }

  .search-input {
    width: 60px;
  }

  .search-input:focus {
    width: 85px;
  }

  .search-input::placeholder {
    font-size: 0.72rem;
  }

  .nav-toggle {
    width: 36px;
    height: 36px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .footer-brand,
  .footer-links,
  .footer-contact {
    grid-column: span 1;
  }
}

/* ---------- 21 Reduced 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;
    transition-delay: 0ms !important;
  }

  .scroll-progress {
    transition: none;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn-primary,
  .btn-outline,
  .card {
    transition: none;
  }
}

/* ---------- 22 Reveal Motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal].delay-1 {
  transition-delay: 0.1s;
}

[data-reveal].delay-2 {
  transition-delay: 0.2s;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    transition: opacity 0.3s ease;
    transform: none;
  }
}

/* ---------- 23 Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.mb-4 { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }