/* ============================================
   Design Tokens — Renault-inspired System
   ============================================ */
:root {
  /* Colors */
  --color-primary: #ffed00;
  --color-primary-deep: #e6d200;
  --color-on-primary: #000000;
  --color-ink: #000000;
  --color-body: #222222;
  --color-charcoal: #333333;
  --color-mute: #666666;
  --color-ash: #8a8a8a;
  --color-stone: #c4c4c4;
  --color-on-dark: #ffffff;
  --color-on-dark-mute: rgba(255, 255, 255, 0.72);
  --color-canvas: #ffffff;
  --color-surface-soft: #f7f7f7;
  --color-surface-card: #ffffff;
  --color-surface-dark: #000000;
  --color-surface-deep: #111111;
  --color-hairline: #f2f2f2;
  --color-hairline-strong: #000000;
  --color-divider-dark: rgba(255, 255, 255, 0.16);
  --color-badge-new: #ffed00;
  --color-link: #0000ee;
  --color-error: #be6464;
  --color-warning: #f0ad4e;
  --color-success: #8dc572;
  --color-info: #337ab7;

  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --text-display-xl: 56px;
  --text-display-lg: 40px;
  --text-display-md: 32px;
  --text-heading-lg: 24px;
  --text-heading-md: 20px;
  --text-heading-sm: 18px;
  --text-subtitle: 19.2px;
  --text-body-lg: 18px;
  --text-body-md: 16px;
  --text-body-sm: 14px;
  --text-button-lg: 16px;
  --text-button-md: 14.4px;
  --text-button-sm: 13px;
  --text-caption: 12px;
  --text-overline: 10px;

  /* Spacing */
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --spacing-xxxl: 40px;
  --spacing-section: 80px;

  /* Border Radius */
  --radius-none: 0px;
  --radius-xs: 2px;
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-pill: 46px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 1200px;
  --card-padding: 20px;
  --element-gap: 16px;
  --nav-height: 60px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-body-md);
  line-height: 1.5;
  color: var(--color-body);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-ink);
}

/* ============================================
   Utility
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-section) 0;
}

.section--soft {
  background-color: var(--color-surface-soft);
}

.section--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
}

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

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-xxl { margin-top: var(--spacing-xxl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: var(--text-button-md);
  font-weight: 600;
  letter-spacing: 0.144px;
  line-height: 1;
  padding: 14px 24px;
  height: 48px;
  border-radius: var(--radius-xs);
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-deep);
  color: var(--color-on-primary);
}

.btn--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
}

.btn--dark:hover {
  background-color: var(--color-charcoal);
  color: var(--color-on-dark);
}

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

.btn--outline:hover {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-on-dark);
  border-color: var(--color-on-dark);
}

.btn--outline-light:hover {
  background-color: var(--color-on-dark);
  color: var(--color-ink);
}

.btn--pill {
  height: 36px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--text-button-sm);
  letter-spacing: 0.13px;
  line-height: 1.2;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-stone);
}

.btn--pill:hover,
.btn--pill.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-color: var(--color-ink);
}

.btn--lg {
  height: 56px;
  padding: 16px 32px;
  font-size: var(--text-button-lg);
}

.btn--sm {
  height: 40px;
  padding: 10px 18px;
  font-size: var(--text-button-sm);
}

/* ============================================
   Badge
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--text-button-md);
  font-weight: 600;
  letter-spacing: 0.144px;
  line-height: 1;
}

.badge--new {
  background-color: var(--color-badge-new);
  color: var(--color-on-primary);
}

.badge--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
}

.badge--outline {
  background: transparent;
  border: 1px solid var(--color-stone);
  color: var(--color-mute);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  height: var(--nav-height);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-heading-md);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.5px;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-ink);
  border-radius: var(--radius-xs);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  font-size: var(--text-button-md);
  font-weight: 500;
  letter-spacing: 0.144px;
  color: var(--color-body);
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-ink);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 28px;
  justify-content: center;
  align-items: center;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
  transition: all 0.3s ease;
}

.nav__toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-canvas);
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-lg);
    border-bottom: 1px solid var(--color-hairline);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav__menu.open {
    transform: translateY(0);
  }

  .nav__cta {
    flex-direction: column;
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  background-color: var(--color-surface-dark);
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-on-dark);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 50%, rgba(0,0,0,0.85) 100%);
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 237, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

.hero__overline {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-size: var(--text-display-xl);
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-on-dark);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
}

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

.hero__subtitle {
  font-size: var(--text-subtitle);
  line-height: 1.4;
  color: var(--color-on-dark-mute);
  max-width: 600px;
  margin-bottom: var(--spacing-xxl);
}

.hero__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xxxl);
  padding-top: var(--spacing-xxl);
  border-top: 1px solid var(--color-divider-dark);
}

.hero__stat-num {
  font-size: var(--text-display-md);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--text-body-sm);
  color: var(--color-on-dark-mute);
  margin-top: var(--spacing-xs);
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0 50px;
  }
  .hero__title {
    font-size: var(--text-display-lg);
  }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

/* ============================================
   Section Header
   ============================================ */
.section-header {
  margin-bottom: var(--spacing-xxxl);
}

.section-header__overline {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-mute);
  margin-bottom: var(--spacing-md);
}

.section-header__title {
  font-size: var(--text-display-lg);
  font-weight: 700;
  line-height: 0.95;
  margin-bottom: var(--spacing-md);
}

.section-header__desc {
  font-size: var(--text-body-lg);
  color: var(--color-mute);
  max-width: 600px;
  line-height: 1.5;
}

.section--dark .section-header__overline {
  color: var(--color-primary);
}

.section--dark .section-header__desc {
  color: var(--color-on-dark-mute);
}

/* ============================================
   Service Grid
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--color-hairline);
  border: 1px solid var(--color-hairline);
}

.service-card {
  background-color: var(--color-canvas);
  padding: var(--spacing-xxl);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.service-card:hover {
  background-color: var(--color-surface-soft);
}

.service-card:hover::before {
  width: 100%;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-surface-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-xs);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-ink);
  fill: none;
  stroke-width: 1.5;
}

.service-card__title {
  font-size: var(--text-heading-md);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.service-card__desc {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
  line-height: 1.57;
  margin-bottom: var(--spacing-lg);
}

.service-card__link {
  font-size: var(--text-button-sm);
  font-weight: 600;
  letter-spacing: 0.13px;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.service-card__link::after {
  content: '→';
  transition: transform 0.2s ease;
}

.service-card:hover .service-card__link::after {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Promo Tiles
   ============================================ */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.promo-tile {
  padding: 32px;
  border-radius: var(--radius-none);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

.promo-tile:hover {
  transform: translateY(-4px);
}

.promo-tile--light {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
}

.promo-tile--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
}

.promo-tile--dark .promo-tile__title {
  color: var(--color-on-dark);
}

.promo-tile--dark .promo-tile__label {
  color: var(--color-on-dark);
}

.promo-tile--yellow {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.promo-tile__label {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.7;
}

.promo-tile__title {
  font-size: var(--text-heading-lg);
  font-weight: 700;
  line-height: 1.2;
  margin-top: var(--spacing-md);
}

.promo-tile__link {
  font-size: var(--text-button-sm);
  font-weight: 600;
  letter-spacing: 0.13px;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
}

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

/* ============================================
   News / Article Cards
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.news-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  border-color: var(--color-ink);
  transform: translateY(-2px);
}

.news-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-soft);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-card__image--gradient-1 {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.news-card__image--gradient-2 {
  background: linear-gradient(135deg, #2d2d2d 0%, #4a4a4a 50%, #1a1a1a 100%);
}

.news-card__image--gradient-3 {
  background: linear-gradient(135deg, #ffed00 0%, #ffd700 50%, #ffaa00 100%);
}

.news-card__image--gradient-4 {
  background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #2a2a2a 100%);
}

.news-card__image--gradient-5 {
  background: linear-gradient(135deg, #1a1a1a 0%, #333 50%, #4d4d4d 100%);
}

.news-card__image--gradient-6 {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #1a252f 100%);
}

.news-card__body {
  padding: var(--spacing-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.news-card__category {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-ink);
  background-color: var(--color-primary);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.news-card__date {
  font-size: var(--text-caption);
  color: var(--color-ash);
}

.news-card__title {
  font-size: var(--text-heading-md);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--color-ink);
}

.news-card__excerpt {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
  line-height: 1.57;
  flex: 1;
}

.news-card__footer {
  padding: var(--spacing-md) var(--spacing-xl);
  border-top: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.news-card__read {
  font-size: var(--text-button-sm);
  font-weight: 600;
  letter-spacing: 0.13px;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.news-card__read::after {
  content: '→';
  transition: transform 0.2s ease;
}

.news-card:hover .news-card__read::after {
  transform: translateX(4px);
}

@media (max-width: 900px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Pricing
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  align-items: start;
}

.pricing-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-xxl);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  border-color: var(--color-ink);
}

.pricing-card--featured {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
  border-color: var(--color-surface-dark);
  transform: scale(1.02);
}

.pricing-card--featured .pricing-card__name,
.pricing-card--featured .pricing-card__price,
.pricing-card--featured .pricing-card__feature-title {
  color: var(--color-on-dark);
}

.pricing-card--featured .pricing-card__desc,
.pricing-card--featured .pricing-card__feature {
  color: var(--color-on-dark-mute);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--text-overline);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--text-heading-md);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.pricing-card__desc {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
  margin-bottom: var(--spacing-xl);
  line-height: 1.57;
}

.pricing-card__price {
  font-size: var(--text-display-md);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.pricing-card__price-unit {
  font-size: var(--text-body-sm);
  font-weight: 400;
  color: var(--color-ash);
}

.pricing-card--featured .pricing-card__price-unit {
  color: var(--color-on-dark-mute);
}

.pricing-card__divider {
  height: 1px;
  background-color: var(--color-hairline);
  margin: var(--spacing-xl) 0;
}

.pricing-card--featured .pricing-card__divider {
  background-color: var(--color-divider-dark);
}

.pricing-card__features {
  margin-bottom: var(--spacing-xl);
}

.pricing-card__feature-title {
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: var(--spacing-md);
}

.pricing-card__feature {
  font-size: var(--text-body-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  line-height: 1.4;
}

.pricing-card--featured .pricing-card__feature {
  border-bottom-color: var(--color-divider-dark);
}

.pricing-card__feature:last-child {
  border-bottom: none;
}

.pricing-card__feature-check {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-card .btn {
  width: 100%;
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-card--featured {
    transform: none;
  }
}

/* ============================================
   Service Detail / Feature Rows
   ============================================ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxxl);
  align-items: center;
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--color-hairline);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row--reverse .feature-row__content {
  order: 2;
}

.feature-row__label {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.feature-row__title {
  font-size: var(--text-display-md);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-lg);
}

.feature-row__desc {
  font-size: var(--text-body-lg);
  color: var(--color-mute);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.feature-row__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.feature-row__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  font-size: var(--text-body-md);
}

.feature-row__item-icon {
  width: 24px;
  height: 24px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink);
}

.feature-row__visual {
  background-color: var(--color-surface-soft);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.feature-row__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.feature-row__visual svg {
  width: 120px;
  height: 120px;
  opacity: 0.15;
}

@media (max-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .feature-row--reverse .feature-row__content {
    order: 0;
  }
}

/* ============================================
   Process / Steps
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: var(--spacing-xxl);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: var(--text-display-md);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  position: absolute;
  top: 0;
  left: 0;
}

.step__title {
  font-size: var(--text-heading-md);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  padding-top: var(--spacing-xl);
}

.step__desc {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
  line-height: 1.57;
}

@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.testimonial {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-xxl);
}

.testimonial__quote {
  font-size: var(--text-body-lg);
  line-height: 1.6;
  color: var(--color-body);
  margin-bottom: var(--spacing-xl);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-body-md);
  color: var(--color-ink);
}

.testimonial__name {
  font-size: var(--text-body-md);
  font-weight: 600;
}

.testimonial__role {
  font-size: var(--text-caption);
  color: var(--color-ash);
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--spacing-xxxl) 0;
}

.cta-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.cta-banner__title {
  font-size: var(--text-display-md);
  font-weight: 700;
  line-height: 1;
  color: var(--color-on-primary);
}

.cta-banner__desc {
  font-size: var(--text-body-lg);
  color: var(--color-on-primary);
  opacity: 0.8;
  margin-top: var(--spacing-sm);
}

@media (max-width: 768px) {
  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxxl);
}

.footer__brand-desc {
  font-size: var(--text-body-sm);
  color: var(--color-on-dark-mute);
  line-height: 1.57;
  margin-top: var(--spacing-md);
  max-width: 280px;
}

.footer__col-title {
  font-size: var(--text-button-sm);
  font-weight: 600;
  letter-spacing: 0.13px;
  color: var(--color-on-dark);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  font-size: var(--text-body-sm);
  color: var(--color-on-dark-mute);
  transition: color 0.2s ease;
}

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

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-divider-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  font-size: var(--text-caption);
  color: var(--color-on-dark-mute);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-divider-dark);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-dark-mute);
  transition: all 0.2s ease;
}

.footer__social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Page Header (Interior Pages)
   ============================================ */
.page-header {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding: 80px 0 60px;
}

.page-header__breadcrumb {
  font-size: var(--text-caption);
  color: var(--color-on-dark-mute);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.page-header__breadcrumb a {
  color: var(--color-on-dark-mute);
}

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

.page-header__breadcrumb span {
  opacity: 0.5;
}

.page-header__title {
  font-size: var(--text-display-xl);
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-on-dark);
  margin-bottom: var(--spacing-md);
}

.page-header__title span {
  color: var(--color-primary);
}

.page-header__desc {
  font-size: var(--text-subtitle);
  color: var(--color-on-dark-mute);
  max-width: 600px;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .page-header {
    padding: 50px 0 40px;
  }
  .page-header__title {
    font-size: var(--text-display-lg);
  }
}

/* ============================================
   Article Detail
   ============================================ */
.article {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xxxl) var(--spacing-md);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.article__category {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-ink);
  background-color: var(--color-primary);
  padding: 4px 12px;
  border-radius: var(--radius-xs);
}

.article__date,
.article__author,
.article__read-time {
  font-size: var(--text-body-sm);
  color: var(--color-ash);
}

.article__title {
  font-size: var(--text-display-lg);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: var(--spacing-xl);
}

.article__cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: var(--spacing-xxl);
  background: var(--color-surface-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.article__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article__cover svg {
  width: 80px;
  height: 80px;
  opacity: 0.2;
}

.article__content {
  font-size: var(--text-body-lg);
  line-height: 1.8;
  color: var(--color-body);
}

.article__content h2 {
  font-size: var(--text-display-md);
  font-weight: 700;
  margin: var(--spacing-xxxl) 0 var(--spacing-lg);
  line-height: 1.1;
}

.article__content h3 {
  font-size: var(--text-heading-lg);
  font-weight: 700;
  margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.article__content p {
  margin-bottom: var(--spacing-lg);
}

.article__content ul,
.article__content ol {
  margin: var(--spacing-lg) 0;
  padding-left: var(--spacing-xl);
}

.article__content ul {
  list-style: disc;
}

.article__content ol {
  list-style: decimal;
}

.article__content li {
  margin-bottom: var(--spacing-sm);
}

.article__content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  background-color: var(--color-surface-soft);
  font-style: italic;
  color: var(--color-charcoal);
}

.article__content code {
  background-color: var(--color-surface-soft);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.9em;
  font-family: 'Consolas', 'Monaco', monospace;
}

.article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-hairline);
}

.article__tag {
  font-size: var(--text-caption);
  padding: 6px 14px;
  background-color: var(--color-surface-soft);
  border-radius: var(--radius-full);
  color: var(--color-mute);
}

.article__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xxxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-hairline);
}

.article__nav-link {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-hairline);
  transition: border-color 0.2s ease;
}

.article__nav-link:hover {
  border-color: var(--color-ink);
}

.article__nav-label {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: var(--spacing-xs);
}

.article__nav-title {
  font-size: var(--text-body-md);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.4;
}

.article__nav-link--next {
  text-align: right;
}

@media (max-width: 600px) {
  .article__nav {
    grid-template-columns: 1fr;
  }
  .article__nav-link--next {
    text-align: left;
  }
}

/* ============================================
   Filter / Category Pills
   ============================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xxl);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xxxl);
}

.pagination__link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-body-sm);
  font-weight: 600;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xs);
  color: var(--color-body);
  transition: all 0.2s ease;
}

.pagination__link:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.pagination__link.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-color: var(--color-ink);
}

.pagination__link--disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxxl);
}

.contact-info__item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-hairline);
}

.contact-info__item:last-child {
  border-bottom: none;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-ink);
  fill: none;
  stroke-width: 1.5;
}

.contact-info__label {
  font-size: var(--text-overline);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: var(--spacing-xs);
}

.contact-info__value {
  font-size: var(--text-body-lg);
  font-weight: 600;
  color: var(--color-ink);
}

.contact-info__sub {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
  margin-top: 2px;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--text-button-sm);
  font-weight: 600;
  letter-spacing: 0.13px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-ink);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  height: 48px;
  font-size: var(--text-body-md);
  color: var(--color-ink);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-stone);
  border-radius: var(--radius-none);
  transition: border-color 0.2s ease;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-ink);
}

.form-textarea {
  height: auto;
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

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

/* ============================================
   About — Team / Stats
   ============================================ */
.stats-band {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding: var(--spacing-xxxl) 0;
}

.stats-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

.stats-band__num {
  font-size: var(--text-display-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stats-band__label {
  font-size: var(--text-body-sm);
  color: var(--color-on-dark-mute);
  margin-top: var(--spacing-sm);
}

@media (max-width: 768px) {
  .stats-band__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.team-card {
  text-align: center;
}

.team-card__avatar {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--color-surface-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.team-card__avatar-letter {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-ink);
  opacity: 0.15;
}

.team-card__name {
  font-size: var(--text-heading-md);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.team-card__role {
  font-size: var(--text-body-sm);
  color: var(--color-mute);
}

@media (max-width: 900px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Logo Cloud
   ============================================ */
.logo-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xxxl);
  opacity: 0.5;
}

.logo-cloud__item {
  font-size: var(--text-heading-lg);
  font-weight: 700;
  color: var(--color-ash);
  letter-spacing: -0.5px;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-hairline);
}

.faq-item__question {
  width: 100%;
  padding: var(--spacing-xl) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-heading-sm);
  font-weight: 600;
  color: var(--color-ink);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  gap: var(--spacing-md);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-ink);
  transition: transform 0.3s ease;
}

.faq-item__icon::before {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 2px;
  transform: translateY(-50%);
}

.faq-item__icon::after {
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 2px;
  transform: translateX(-50%);
}

.faq-item.open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding-bottom: var(--spacing-xl);
  font-size: var(--text-body-md);
  color: var(--color-mute);
  line-height: 1.7;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ============================================
   Print
   ============================================ */
@media print {
  .nav, .footer, .cta-banner {
    display: none;
  }
}