/* ===== Reset & Variables ===== */
:root {
  --color-bg: #F5F0E8;
  --color-ink: #1F1F1F;
  --color-primary: #FF4B2B;
  --color-accent: #1B4965;
  --color-success: #2E933C;
  --color-card: #FFFCF7;
  --color-line: #E8E2D8;
  --color-footer: #333333;
  --color-deep-gray: #666666;
  --font-heading: 'Impact', 'Arial Black', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Courier New', 'SFMono-Regular', monospace;
  --container-width: 1280px;
  --container-narrow: 860px;
  --header-h: 80px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --radius-cut: 6px;
  --shadow-soft: 0 8px 32px rgba(31, 31, 31, 0.08);
  --shadow-hard: 4px 4px 0 var(--color-ink);
  --transition-base: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.7;
  font-size: 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

#main-content {
  flex: 1 0 auto;
  width: 100%;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

/* ===== Skip Link ===== */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 2000;
  background: var(--color-ink);
  color: var(--color-card);
  padding: 12px 24px;
  font-weight: 700;
  border-radius: 0 0 6px 6px;
  transition: top 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 10px 100%);
}

.skip-link:focus {
  top: 0;
  color: var(--color-card);
}

/* ===== Layout Container ===== */
.container {
  width: min(100% - 48px, var(--container-width));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 48px, var(--container-narrow));
  margin-inline: auto;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  border-bottom: 3px solid var(--color-ink);
  transition: box-shadow 0.3s ease;
}

.site-header[data-scrolled="true"] {
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
  position: relative;
}

.site-header__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-shrink: 0;
  text-decoration: none;
  position: relative;
  z-index: 2;
}

.site-header__brand-mark {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -2px;
  transform: skewX(-10deg);
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  text-transform: uppercase;
}

.site-header__brand-text::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: skewX(-20deg);
  margin-top: -3px;
}

/* ===== Navigation ===== */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  text-transform: uppercase;
  position: relative;
  transition: color 0.2s ease, background-color 0.2s ease;
  border-radius: 0;
  background: transparent;
}

.site-nav__link::before {
  content: attr(data-index);
  /* placeholder for potential numbering */
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 4px;
  height: 3px;
  background: var(--color-primary);
  transform: skewX(-24deg) scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

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

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: skewX(-24deg) scaleX(1);
}

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

/* ===== Header Actions ===== */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.btn-subscribe {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-card);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 10px 20px;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 8px 100%);
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  position: relative;
}

.btn-subscribe__dot {
  width: 8px;
  height: 8px;
  background: var(--color-card);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.btn-subscribe:hover {
  background: var(--color-ink);
  color: var(--color-primary);
  transform: translateX(-2px);
}

.btn-subscribe:hover .btn-subscribe__dot {
  background: var(--color-primary);
}

/* ===== Nav Toggle ===== */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 2px solid var(--color-ink);
  border-radius: 4px;
  position: relative;
}

.nav-toggle__line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.3s ease, opacity 0.2s ease, background-color 0.2s ease;
}

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

.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);
}

/* ===== Footer ===== */
.site-footer {
  background-color: var(--color-footer);
  color: rgba(255, 252, 247, 0.9);
  margin-top: 0;
  padding: 72px 0 0;
  position: relative;
  flex-shrink: 0;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 50%, var(--color-accent) 50%, var(--color-accent) 100%);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(232, 226, 216, 0.2);
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-card);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-footer__brand::before {
  content: '//';
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 1.25rem;
}

.site-footer__desc {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 252, 247, 0.7);
  max-width: 420px;
  margin-bottom: 16px;
}

.site-footer__cert {
  font-size: 0.75rem;
  color: rgba(46, 147, 60, 0.9);
  border-left: 3px solid var(--color-success);
  padding-left: 12px;
  line-height: 1.6;
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-card);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-footer__heading .index-mono {
  color: var(--color-primary);
  font-size: 0.8125rem;
}

.site-footer__links li {
  margin-bottom: 8px;
}

.site-footer__links a {
  color: rgba(255, 252, 247, 0.75);
  font-size: 0.875rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
  position: relative;
}

.site-footer__links a::before {
  content: '→';
  color: var(--color-primary);
  opacity: 0;
  margin-right: 0;
  position: absolute;
  left: -16px;
  transition: opacity 0.2s ease;
}

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

.site-footer__links a:hover::before {
  opacity: 1;
  left: -8px;
}

.site-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: rgba(255, 252, 247, 0.75);
  line-height: 1.6;
}

.site-footer__contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  background: rgba(255, 75, 43, 0.1);
  padding: 2px 8px;
  flex-shrink: 0;
  border-radius: 2px;
  margin-top: 4px;
}

.site-footer__contact a {
  color: rgba(255, 252, 247, 0.9);
  border-bottom: 1px solid rgba(255, 252, 247, 0.2);
}

.site-footer__contact a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.site-footer__service-note {
  font-size: 0.75rem;
  color: rgba(255, 252, 247, 0.5);
  margin-top: 12px;
  line-height: 1.6;
}

.site-footer__bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer__bottom p {
  font-size: 0.75rem;
  color: rgba(255, 252, 247, 0.5);
  font-family: var(--font-mono);
}

.site-footer__trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-footer__trust::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  line-height: 1.15;
  font-weight: 800;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
  padding-right: 12px;
}

.section-title::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 6px;
  height: 80%;
  background: var(--color-primary);
  transform: translateY(-50%) skewX(-12deg);
}

.index-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

/* ===== Page Hero ===== */
.page-hero {
  padding: 64px 0 48px;
  position: relative;
}

.page-hero__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-hero__label::before {
  content: '///';
  color: var(--color-ink);
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.page-hero__title .text-primary {
  color: var(--color-primary);
}

.page-hero__lead {
  font-size: 1.0625rem;
  color: var(--color-deep-gray);
  max-width: 560px;
  margin-top: 20px;
  line-height: 1.8;
  position: relative;
  z-index: 1;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  margin-bottom: 24px;
  color: var(--color-deep-gray);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

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

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

.breadcrumb__sep {
  color: var(--color-primary);
}

.breadcrumb__current {
  color: var(--color-ink);
  font-weight: 600;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: var(--color-card);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 14px 28px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 10px 100%);
  border-radius: 0;
}

.btn-primary:hover {
  background: var(--color-ink);
  color: var(--color-card);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--color-ink);
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 12px 24px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 8px 100%);
}

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-card);
  border-color: var(--color-ink);
}

/* ===== Card Panel ===== */
.card-panel {
  background: var(--color-card);
  border: 2px solid var(--color-ink);
  padding: 24px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  border-radius: 0;
}

.card-panel:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 rgba(31, 31, 31, 0.15);
}

/* ===== Tag Buttons (filter) ===== */
.tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink);
  background: transparent;
  border: 1.5px solid var(--color-ink);
  padding: 8px 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 100%, 6px 100%);
  cursor: pointer;
}

.tag-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-card);
}

.tag-btn[data-active="true"] {
  background: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-card);
}

.tag-btn[data-active="true"]::before {
  content: '✓';
  font-weight: 700;
}

/* ===== Visual Frame ===== */
.visual-frame {
  position: relative;
  background: var(--color-line);
  border: 2px solid var(--color-ink);
  overflow: hidden;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.visual-frame::before {
  content: attr(data-caption);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-deep-gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: absolute;
  bottom: 8px;
  left: 12px;
  background: var(--color-bg);
  padding: 2px 8px;
  z-index: 2;
}

.visual-frame::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 160%;
  background: linear-gradient(45deg, transparent 45%, rgba(255, 75, 43, 0.25) 50%, transparent 55%);
  pointer-events: none;
}

/* ===== Badge ===== */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  background: rgba(46, 147, 60, 0.12);
  color: var(--color-success);
  border-left: 3px solid var(--color-success);
  font-family: var(--font-body);
}

.badge-status::before {
  content: '●';
  font-size: 0.5rem;
}

.badge-status--info {
  background: rgba(27, 73, 101, 0.1);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* ===== Speed Line Decor ===== */
.speed-line {
  position: relative;
  height: 4px;
  background: var(--color-line);
  overflow: hidden;
}

.speed-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -30%;
  width: 30%;
  height: 100%;
  background: var(--color-primary);
  animation: speed-flow 2.5s ease-in-out infinite;
}

/* ===== Utility ===== */
.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;
}

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

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

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

.mono {
  font-family: var(--font-mono);
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 32px; }
.mt-4 { margin-top: 64px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 32px; }
.mb-4 { margin-bottom: 64px; }

/* ===== Animations ===== */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.7); }
}

@keyframes speed-flow {
  0% { left: -30%; }
  100% { left: 130%; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .btn-subscribe__dot {
    animation: none;
  }

  .speed-line::after {
    animation: none;
    left: 0;
    width: 100%;
    background: var(--color-primary);
    opacity: 0.4;
  }

  .card-panel:hover {
    transform: none;
    box-shadow: none;
  }

  .btn-primary:hover {
    transform: none;
    box-shadow: none;
  }

  .skip-link {
    transition: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .site-header__inner {
    gap: 16px;
  }

  .site-nav__link {
    padding: 10px 8px;
    font-size: 0.8125rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

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

  .container {
    width: min(100% - 40px, var(--container-width));
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 3px solid var(--color-ink);
    padding: 16px 24px 24px;
    display: none;
    z-index: 999;
    box-shadow: var(--shadow-soft);
  }

  .site-nav[data-open="true"] {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .site-nav__item {
    width: 100%;
    border-bottom: 1px dashed var(--color-line);
  }

  .site-nav__item:last-child {
    border-bottom: none;
  }

  .site-nav__link {
    display: block;
    width: 100%;
    padding: 14px 8px;
    font-size: 0.9375rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__link[aria-current="page"] {
    background: rgba(255, 75, 43, 0.08);
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
  }

  .site-header__brand-text {
    font-size: 1.4rem;
  }

  .btn-subscribe {
    padding: 8px 14px;
    font-size: 0.75rem;
  }

  .site-footer {
    padding-top: 48px;
  }

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

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

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

  .section-title {
    font-size: 1.5rem;
  }

  .page-hero__title {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 32px, var(--container-width));
  }

  .site-header__actions {
    gap: 8px;
  }

  .btn-subscribe__dot {
    display: none;
  }

  .btn-subscribe {
    gap: 0;
    padding: 8px 12px;
  }
}

/* ===== Reveal Interaction ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ===== Scroll Progress ===== */
.data-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--color-primary);
  z-index: 1500;
  transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
  .data-scroll-progress {
    display: none;
  }
}

/* ===== Content Grid ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.content-grid__span-3 {
  grid-column: span 3;
}

.content-grid__span-4 {
  grid-column: span 4;
}

.content-grid__span-6 {
  grid-column: span 6;
}

.content-grid__span-8 {
  grid-column: span 8;
}

.content-grid__span-12 {
  grid-column: span 12;
}

@media (max-width: 1024px) {
  .content-grid__span-3,
  .content-grid__span-4 {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-grid__span-3,
  .content-grid__span-4,
  .content-grid__span-6,
  .content-grid__span-8,
  .content-grid__span-12 {
    grid-column: span 1;
  }
}

/* ===== Form Elements (basic reset for non-form usage) ===== */
input, select, textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
}

/* ===== Tables (basic) ===== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

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

th {
  font-family: var(--font-heading);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom-width: 3px;
  border-bottom-color: var(--color-ink);
}

/* ===== Quotation ===== */
blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-card);
  font-size: 1.0625rem;
  font-style: italic;
}

/* ===== Horizontal Rule ===== */
hr {
  border: 0;
  height: 4px;
  background: var(--color-ink);
  margin: 40px 0;
  position: relative;
  clip-path: polygon(0 0, 100% 0, calc(100% - 20px) 100%, 20px 100%);
}