/* ========== 1. Reset & Tokens ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #FF3B30;
  --color-primary-dark: #D92E26;
  --color-bg: #0A0A0F;
  --color-bg-card: #181820;
  --color-bg-elevated: #33333A;
  --color-silver: #B0B7C3;
  --color-gold: #FFD700;
  --color-blue: #00D4FF;
  --color-gray: #E5E7EB;
  --color-purple: #9B59B6;
  --color-white: #FFFFFF;

  --font-title: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-subtitle: "Helvetica Neue", Arial, sans-serif;

  --border-width: 4px;
  --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.6);
  --skew: -3deg;

  --container-width: 1200px;
  --container-narrow: 760px;
  --gap: 24px;
  --header-height: 80px;
}

/* ========== 2. Base Elements ========== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 12px);
}

body {
  background-color: var(--color-bg);
  color: var(--color-gray);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1em;
}

ul, ol {
  padding-left: 1.25em;
  margin-bottom: 1em;
}

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

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

strong {
  color: var(--color-white);
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin-bottom: 1.5em;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-bg-elevated);
}

th {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 0.875rem;
  color: var(--color-white);
  background: var(--color-bg-card);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

blockquote {
  border-left: var(--border-width) solid var(--color-primary);
  padding: 16px 20px;
  margin: 24px 0;
  background: var(--color-bg-card);
  color: var(--color-gray);
  font-style: italic;
}

hr {
  border: none;
  border-top: 1px solid var(--color-bg-elevated);
  margin: 32px 0;
}

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

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

/* ========== 3. Layout ========== */
.page-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section {
  padding: 64px 0;
}

.section--wide {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 40px;
}

.section-title {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 2.25rem;
  line-height: 1.2;
  color: var(--color-white);
  transform: skewX(var(--skew));
  position: relative;
  padding-bottom: 12px;
  margin-bottom: 0;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  background: var(--color-primary);
}

.section-title--center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-family: var(--font-subtitle);
  font-weight: 300;
  font-size: 1.125rem;
  color: var(--color-silver);
  margin-top: 12px;
  line-height: 1.5;
}

/* ========== 4. Header ========== */
.skip-link {
  position: absolute;
  left: 24px;
  top: 12px;
  z-index: 9999;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 24px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-strong);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--color-white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header::after {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-purple), var(--color-blue), var(--color-primary));
  background-size: 300% 100%;
  animation: header-stream 8s linear infinite;
}

@keyframes header-stream {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.site-header__progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  z-index: 3;
  pointer-events: none;
}

.site-header__bar {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-brand:hover {
  color: inherit;
}

.site-brand__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.5rem;
  transform: skewX(-8deg);
  box-shadow: var(--shadow-strong);
  position: relative;
  overflow: hidden;
}

.site-brand__mark::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  bottom: 3px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  pointer-events: none;
  z-index: 1;
}

.site-brand__mark::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0%, 60% { left: -100%; }
  100% { left: 100%; }
}

.site-brand__meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-brand__name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.375rem;
  color: var(--color-white);
  letter-spacing: 0.02em;
  transform: skewX(var(--skew));
}

.site-brand__tagline {
  font-family: var(--font-subtitle);
  font-weight: 300;
  font-size: 0.6875rem;
  color: var(--color-silver);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-header__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-silver);
  white-space: nowrap;
}

.site-header__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.8);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

/* ========== 5. Navigation ========== */
.site-nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2px;
}

.site-nav__link {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-silver);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
  transform: skewX(var(--skew));
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--color-white);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

.site-nav__link[aria-current="page"] {
  color: var(--color-gold);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 2px solid var(--color-silver);
  border-radius: 0;
  cursor: pointer;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
  transition: border-color 0.3s ease;
}

.nav-toggle:hover {
  border-color: var(--color-primary);
}

.nav-toggle__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

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

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

/* ========== 6. Footer ========== */
.site-footer {
  background: linear-gradient(180deg, var(--color-bg) 0%, #0D0D14 100%);
  border-top: var(--border-width) solid var(--color-primary);
  padding: 64px 24px 0;
  margin-top: 80px;
}

.site-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer__brand .site-brand {
  margin-bottom: 16px;
}

.site-footer__slogan {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 8px;
}

.site-footer__trust {
  font-size: 0.875rem;
  color: var(--color-silver);
  line-height: 1.6;
  max-width: 360px;
}

.site-footer__heading {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1rem;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.site-footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--color-primary);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__list li {
  margin-bottom: 10px;
  font-size: 0.9375rem;
  color: var(--color-silver);
  line-height: 1.5;
}

.site-footer__list a {
  color: var(--color-silver);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-footer__list a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.site-footer__bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid rgba(176, 183, 195, 0.25);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--color-silver);
}

.site-footer__bottom p {
  margin: 0;
}

/* ========== 7. Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: var(--border-width) solid transparent;
  cursor: pointer;
  background: transparent;
  transform: skewX(var(--skew));
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  line-height: 1;
}

.btn > span {
  display: inline-block;
  transform: skewX(calc(-1 * var(--skew)));
}

.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(255, 59, 48, 0.35);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: skewX(var(--skew)) translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 59, 48, 0.45);
}

.btn--ghost {
  border-color: var(--color-silver);
  color: var(--color-silver);
}

.btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: skewX(var(--skew)) translateY(-2px);
}

.btn--gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
}

.btn--gold:hover {
  background: #FFC700;
  border-color: #FFC700;
  color: var(--color-bg);
  transform: skewX(var(--skew)) translateY(-2px);
}

/* ========== 8. Breadcrumb ========== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-silver);
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  color: var(--color-silver);
  opacity: 0.5;
}

.breadcrumb a {
  color: var(--color-blue);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-white);
  font-weight: 700;
}

/* ========== 9. Grid ========== */
.grid {
  display: grid;
  gap: var(--gap);
  margin-bottom: var(--gap);
}

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

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

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

/* ========== 10. Cards ========== */
.card {
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-bg-elevated);
  padding: 24px;
  box-shadow: var(--shadow-strong);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.75);
}

.card--red { border-top-color: var(--color-primary); }
.card--gold { border-top-color: var(--color-gold); }
.card--blue { border-top-color: var(--color-blue); }
.card--purple { border-top-color: var(--color-purple); }

.card__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 12px;
  transform: skewX(var(--skew));
  line-height: 1.3;
}

.card__text {
  color: var(--color-silver);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ========== 11. Stats ========== */
.stat-card {
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-bg-elevated);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-strong);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-primary));
}

.stat-card__number {
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--color-gold);
  line-height: 1.2;
  transform: skewX(var(--skew));
}

.stat-card__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  color: var(--color-silver);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ========== 12. Tags ========== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid currentColor;
  line-height: 1.4;
}

.tag--red { color: var(--color-primary); border-color: var(--color-primary); }
.tag--gold { color: var(--color-gold); border-color: var(--color-gold); }
.tag--blue { color: var(--color-blue); border-color: var(--color-blue); }
.tag--purple { color: var(--color-purple); border-color: var(--color-purple); }

.tag--filled {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ========== 13. Image Frames ========== */
.image-frame {
  position: relative;
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-bg-elevated);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-frame:not(.is-loaded)::before {
  content: attr(data-label);
  position: absolute;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-silver);
  opacity: 0.7;
  text-align: center;
  padding: 0 20px;
}

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

.image-frame--tall { aspect-ratio: 4 / 5; }
.image-frame--gold { border-color: var(--color-gold); }
.image-frame--red { border-color: var(--color-primary); }
.image-frame--blue { border-color: var(--color-blue); }

/* ========== 14. Expander ========== */
.expander {
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-bg-elevated);
  box-shadow: var(--shadow-strong);
  margin-bottom: 16px;
}

.expander__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--color-white);
  text-align: left;
  transition: background-color 0.3s ease;
}

.expander__trigger:hover {
  background: rgba(255, 59, 48, 0.06);
}

.expander__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-silver);
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.3s ease, border-color 0.3s ease;
  line-height: 1;
}

.expander__trigger[aria-expanded="true"] .expander__icon {
  transform: rotate(45deg);
  border-color: var(--color-primary);
}

.expander__content {
  display: none;
  padding: 0 24px 24px;
  border-left: 4px solid var(--color-primary);
  margin: 0 24px 20px;
  color: var(--color-silver);
  font-size: 0.9375rem;
}

.expander__content[data-open] {
  display: block;
  animation: expand-fade 0.3s ease;
}

@keyframes expand-fade {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 15. Step Path ========== */
.step-path {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin: 32px 0;
  list-style: none;
  padding: 0;
  counter-reset: step;
}

.step-path__item {
  position: relative;
  padding: 24px;
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-bg-elevated);
  box-shadow: var(--shadow-strong);
  counter-increment: step;
}

.step-path__item::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 8px;
  transform: skewX(var(--skew));
  line-height: 1;
}

/* ========== 16. Speed Lines ========== */
.speed-lines {
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.speed-lines::before {
  content: '';
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: 0;
  width: 100%;
  background: repeating-linear-gradient(
    115deg,
    transparent 0px,
    transparent 32px,
    rgba(255, 59, 48, 0.1) 32px,
    rgba(255, 59, 48, 0.1) 34px
  );
}

/* ========== 17. Reveal ========== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

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

/* ========== 18. Responsive ========== */
@media (min-width: 861px) and (max-width: 1120px) {
  .site-brand__tagline {
    display: none;
  }

  .site-header__status {
    display: none;
  }

  .site-nav__link {
    padding: 10px 10px;
    font-size: 0.8125rem;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 64px;
  }

  body {
    font-size: 0.9375rem;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .page-container,
  .container-narrow {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  /* Header */
  .site-header__bar {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-brand__mark {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .site-brand__name {
    font-size: 1.125rem;
  }

  .site-brand__tagline {
    display: none;
  }

  .site-header__status {
    display: none;
  }

  /* Navigation */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: calc(var(--header-height) + 4px);
    right: 0;
    bottom: 0;
    width: min(320px, 100vw - 48px);
    background: rgba(10, 10, 15, 0.98);
    border-left: var(--border-width) solid var(--color-primary);
    box-shadow: var(--shadow-strong);
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 1001;
  }

  .site-nav[data-open] {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    gap: 8px;
  }

  .site-nav__link {
    padding: 14px 16px;
    font-size: 1.125rem;
  }

  .site-nav__link::after {
    left: 16px;
    right: auto;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    transform: none;
    transition: width 0.3s ease;
  }

  .site-nav__link:hover::after,
  .site-nav__link[aria-current="page"]::after {
    width: 32px;
    transform: none;
  }

  /* Footer */
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 8px;
  }

  /* Grid */
  .grid--2,
  .grid--3,
  .grid--wide {
    grid-template-columns: 1fr;
  }

  /* Buttons */
  .btn {
    padding: 12px 20px;
    font-size: 0.875rem;
  }
}

/* ========== 19. Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .site-header__progress {
    display: none;
  }

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