/* style.css — SurplusBridge Design System */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* 4px Spacing System */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Content Widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
}

/* ============================================
   LIGHT MODE (Default)
   ============================================ */
:root, [data-theme="light"] {
  /* SurplusBridge Brand Palette */
  --color-bg:             #F8F7F4;
  --color-surface:        #FFFFFF;
  --color-surface-2:      #F2F1ED;
  --color-surface-offset: #EBE9E4;
  --color-divider:        #D8D5CE;
  --color-border:         #C8C5BE;

  /* Text */
  --color-text:           #2C3E50;
  --color-text-muted:     #5A6B7C;
  --color-text-faint:     #8E9BAA;
  --color-text-inverse:   #F8F7F4;

  /* Primary — Deep Slate Blue */
  --color-primary:        #2C3E50;
  --color-primary-hover:  #1A2A3A;
  --color-primary-active: #0F1D2A;

  /* Secondary — Warm Amber */
  --color-accent:         #D4A843;
  --color-accent-hover:   #C09533;
  --color-accent-light:   #F5EDD8;

  /* Teal Accent */
  --color-teal:           #2A9D8F;
  --color-teal-hover:     #218276;
  --color-teal-light:     #E0F2EF;

  /* Semantic */
  --color-success:        #2A9D8F;
  --color-error:          #C0392B;
  --color-warning:        #D4A843;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(44, 62, 80, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 62, 80, 0.08);
  --shadow-lg: 0 12px 32px rgba(44, 62, 80, 0.12);
  --shadow-xl: 0 20px 48px rgba(44, 62, 80, 0.16);
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
  --color-bg:             #1A1F26;
  --color-surface:        #222832;
  --color-surface-2:      #2A303C;
  --color-surface-offset: #1E2430;
  --color-divider:        #333A46;
  --color-border:         #3D4452;

  --color-text:           #E0DDD5;
  --color-text-muted:     #9BA5B4;
  --color-text-faint:     #5F6B7C;
  --color-text-inverse:   #1A1F26;

  --color-primary:        #A0B4C8;
  --color-primary-hover:  #C0D0E0;
  --color-primary-active: #D8E4F0;

  --color-accent:         #E8C060;
  --color-accent-hover:   #F0D080;
  --color-accent-light:   #3A3428;

  --color-teal:           #4FC4B7;
  --color-teal-hover:     #6DD4C8;
  --color-teal-light:     #253530;

  --color-success:        #4FC4B7;
  --color-error:          #E06B5E;
  --color-warning:        #E8C060;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #1A1F26;
    --color-surface:        #222832;
    --color-surface-2:      #2A303C;
    --color-surface-offset: #1E2430;
    --color-divider:        #333A46;
    --color-border:         #3D4452;
    --color-text:           #E0DDD5;
    --color-text-muted:     #9BA5B4;
    --color-text-faint:     #5F6B7C;
    --color-text-inverse:   #1A1F26;
    --color-primary:        #A0B4C8;
    --color-primary-hover:  #C0D0E0;
    --color-primary-active: #D8E4F0;
    --color-accent:         #E8C060;
    --color-accent-hover:   #F0D080;
    --color-accent-light:   #3A3428;
    --color-teal:           #4FC4B7;
    --color-teal-hover:     #6DD4C8;
    --color-teal-light:     #253530;
    --color-success:        #4FC4B7;
    --color-error:          #E06B5E;
    --color-warning:        #E8C060;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.5);
  }
}

/* ============================================
   GLOBAL COMPONENT STYLES
   ============================================ */

/* Container */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

/* Section Spacing */
.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.site-header--scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .header-inner { padding-inline: var(--space-8); }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
}
.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.nav-links a:hover {
  color: var(--color-text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-accent);
  color: var(--color-primary) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: all var(--transition-interactive);
}
.nav-cta:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .mobile-menu-btn { display: none; }
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-20) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav.active {
  display: flex;
}
.mobile-nav a {
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-interactive);
  line-height: 1.4;
}
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
}

.btn--teal {
  background: var(--color-teal);
  color: #fff;
}
.btn--teal:hover {
  background: var(--color-teal-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

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

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-interactive);
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-input {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: all var(--transition-interactive);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px oklch(from var(--color-teal) l c h / 0.15);
}
.form-input::placeholder {
  color: var(--color-text-faint);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%235A6B7C' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding-inline: var(--space-8);
  }
}
.footer-brand p {
  color: rgba(255,255,255,0.7);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  max-width: 32ch;
}
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}
.footer-col a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
}
@media (min-width: 768px) {
  .footer-bottom { padding-inline: var(--space-8); }
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}
.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-teal { color: var(--color-teal); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mx-auto { margin-inline: auto; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge--teal {
  background: var(--color-teal-light);
  color: var(--color-teal);
}
.badge--amber {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Divider */
.divider {
  border: none;
  height: 1px;
  background: var(--color-divider);
  margin-block: var(--space-8);
}

/* Theme toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Image with overlay gradient */
.img-overlay {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.img-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,62,80,0.6), transparent 60%);
}

/* Trust bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.trust-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Steps / Process */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.step-card {
  text-align: center;
  padding: var(--space-6);
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-weight: 700;
}
.step-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.step-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-inline: auto;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}
.stat-item {
  text-align: center;
  padding: var(--space-4);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  line-height: 1.1;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Testimonial */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.testimonial-card blockquote {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.testimonial-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.testimonial-detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* FAQ Accordion */
.faq-item {
  border-bottom: 1px solid var(--color-divider);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  gap: var(--space-4);
}
.faq-question svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-text-muted);
}
.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.active .faq-answer {
  max-height: 500px;
}
.faq-answer p {
  padding-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Quiz styles */
.quiz-progress {
  height: 4px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-8);
}
.quiz-progress-bar {
  height: 100%;
  background: var(--color-teal);
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-interactive);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  width: 100%;
}
.quiz-option:hover {
  border-color: var(--color-teal);
  background: var(--color-teal-light);
}
.quiz-option.selected {
  border-color: var(--color-teal);
  background: var(--color-teal-light);
}
.quiz-option-marker {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-interactive);
}
.quiz-option.selected .quiz-option-marker {
  border-color: var(--color-teal);
  background: var(--color-teal);
}

/* Claim page specific */
.claim-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1A2A3A 100%);
  color: var(--color-text-inverse);
  padding-block: var(--space-12);
  text-align: center;
}
.claim-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  margin-block: var(--space-4);
}
.claim-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .claim-details { grid-template-columns: 1fr 1fr; }
}
.claim-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.claim-detail-item svg {
  flex-shrink: 0;
  color: var(--color-teal);
}

/* Security badge bar */
.security-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
}
.security-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}
.security-item svg {
  color: var(--color-teal);
}

/* ============================================
   PAGE HERO (interior pages)
   ============================================ */
.page-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
}

/* ============================================
   SURPLUS EXPLAINER (How It Works)
   ============================================ */
.surplus-explainer {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .surplus-explainer {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-12);
  }
}
.surplus-explainer__graphic {
  display: flex;
  justify-content: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}

/* ============================================
   PROCESS STEPS (How It Works — detailed)
   ============================================ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 680px;
  margin-inline: auto;
}
.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
}
.process-step__number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.process-step__connector {
  position: absolute;
  left: 23px;
  top: 52px;
  bottom: -32px;
  width: 2px;
  background: var(--color-divider);
  z-index: 1;
}
.process-step:last-child .process-step__connector {
  display: none;
}
.process-step__content {
  padding: var(--space-6);
}
.process-step__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}
.process-step__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

/* ============================================
   TIMELINE STEPPER (How It Works)
   ============================================ */
.timeline-stepper {
  position: relative;
  padding: var(--space-6) 0;
}
.timeline-track {
  position: absolute;
  top: calc(var(--space-6) + 8px);
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-divider);
  border-radius: var(--radius-full);
  display: none;
}
@media (min-width: 768px) {
  .timeline-track { display: block; }
}
.timeline-track__fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, var(--color-teal), var(--color-accent));
  border-radius: var(--radius-full);
}
.timeline-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  position: relative;
  z-index: 2;
}
@media (min-width: 768px) {
  .timeline-steps {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-2);
  }
}
.timeline-step {
  text-align: center;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
@media (min-width: 768px) {
  .timeline-step {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-2);
    background: transparent;
    border: none;
    border-radius: 0;
  }
}
.timeline-step__dot {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 3px solid var(--color-surface);
  flex-shrink: 0;
}
.timeline-step__dot--active {
  background: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-teal);
}
.timeline-step__dot--accent {
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline-step__label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}
.timeline-step__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============================================
   MISSION BLOCK (About page)
   ============================================ */
.mission-block {
  display: flex;
  gap: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: var(--content-default);
  margin-inline: auto;
}
.mission-block__accent {
  width: 4px;
  flex-shrink: 0;
  background: linear-gradient(to bottom, var(--color-teal), var(--color-accent));
  border-radius: var(--radius-full);
}
.mission-block__content {
  flex: 1;
}

/* ============================================
   APPROACH GRID (About page)
   ============================================ */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .approach-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.approach-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}
.approach-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

/* ============================================
   COVERAGE BLOCK (About page)
   ============================================ */
.coverage-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .coverage-block {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}
.coverage-block__map {
  display: flex;
  justify-content: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.coverage-states {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.coverage-state {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.coverage-state--active {
  border-color: var(--color-teal);
  background: var(--color-teal-light);
}
.coverage-state svg {
  flex-shrink: 0;
}