/* ─── Navigation ─── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: 82px;
  /* No backdrop-filter here — it would trap position:fixed children (.nav-links)
     making them position relative to this element instead of the viewport */
  transition: box-shadow var(--duration-base) var(--ease-default),
              border-color var(--duration-base) var(--ease-default);
}

/* Blur lives on ::before so it doesn't create a containing block for fixed children */
.site-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgb(255, 255, 255);
  backdrop-filter: blur(12px) saturate(1.5);
  -webkit-backdrop-filter: blur(12px) saturate(1.5);
  z-index: -1;
}

.site-nav.nav-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.site-nav .container {
  height: 100%;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--color-text-primary); }
.nav-logo img, .nav-logo svg { width: 52px; height: 52px; flex-shrink: 0; }

.nav-logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
}
.nav-logo-name {
  font-family: 'Montserrat', 'Inter', system-ui, sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-text-primary, #111827);
  line-height: 1.2;
}
.nav-logo-tagline {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary, #111827);
  letter-spacing: 0.02em;
  display: block;
  margin-top: 2px;
}

/* Nav links always in the hamburger drawer */
.nav-links {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;           /* fallback */
  height: 100dvh;          /* Fix 3: iOS Safari dynamic viewport */
  overflow-y: auto;        /* Fix 8: landscape phones — scroll if links overflow */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-20) var(--space-8) var(--space-8);
  background: var(--color-bg-surface);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-default);
  z-index: var(--z-nav);
  gap: var(--space-4);
}

body.nav-open .nav-links {
  transform: translateX(0);
}

.nav-links .btn { width: 100%; justify-content: center; margin-top: var(--space-4); }

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-default);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--color-green-600); }

/* Hamburger always visible */
.nav-toggle {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
}
.nav-toggle:hover { background: var(--color-neutral-100); }

.nav-overlay {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: calc(var(--z-nav) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-default);
}

body.nav-open .nav-overlay {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .site-nav { height: 64px; }
  .nav-logo img, .nav-logo svg { width: 42px; height: 42px; }
  .nav-logo-name { font-size: 1.5rem; }
  .nav-logo-tagline { font-size: 0.85rem; }
}

@media (prefers-color-scheme: dark) {
  /* Nav background is hardcoded white — pin nav text/icons to dark so they stay visible */
  .nav-logo-name,
  .nav-logo-tagline,
  .nav-toggle {
    color: #141413;
  }
}

@media (max-width: 480px) {
  /* Fix 1: prevent tagline from pushing hamburger off-screen on 320px phones */
  .nav-logo-tagline {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
  }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 22px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--duration-base) var(--ease-default);
}

.btn-primary {
  background: var(--color-green-400);
  color: var(--color-neutral-0);
  border-color: var(--color-green-400);
}
.btn-primary:hover {
  background: var(--color-green-600);
  border-color: var(--color-green-600);
  color: var(--color-neutral-0);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-green-400);
  border-color: currentColor;
}
.btn-secondary:hover {
  background: var(--color-green-50);
  color: var(--color-green-600);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
  padding-inline: var(--space-2);
}
.btn-ghost:hover { color: var(--color-green-400); }

.btn-inverse {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-overlay-border);
}
.btn-inverse:hover {
  background: var(--color-overlay-light);
  color: var(--color-text-inverse);
}

.btn-sm { padding: 7px 16px; font-size: var(--text-xs); }
.btn-lg { padding: 14px 28px; font-size: var(--text-md); }
.btn-block { width: 100%; justify-content: center; }

.btn svg { width: 16px; height: 16px; }

.btn.is-loading {
  pointer-events: none;
  opacity: 0.8;
}
.btn .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: spinner 0.6s linear infinite;
}

/* ─── Cards ─── */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color var(--duration-base) var(--ease-default),
              transform var(--duration-base) var(--ease-default),
              box-shadow var(--duration-base) var(--ease-default);
}
.card:hover {
  border-color: var(--color-border-brand);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.service-card .service-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.service-card .service-icon-wrap svg { width: 24px; height: 24px; color: var(--color-green-600); }
.service-card h3 { font-size: var(--text-md); margin-bottom: var(--space-2); }
.service-card p { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.7; }
.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-green-400);
  margin-top: var(--space-4);
}

.stat-card {
  background: var(--color-bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.stat-card .stat-num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-semibold);
  color: var(--color-green-600);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-card .stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.blog-card {
  padding: 0;
  overflow: hidden;
}
.blog-card .blog-thumb {
  aspect-ratio: 16/9;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  background: var(--color-green-50);
}
.blog-card .blog-thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card .blog-body { padding: var(--space-5); }
.blog-card .blog-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-green-800);
  background: var(--color-green-50);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
.blog-card h3 { font-size: var(--text-md); line-height: var(--leading-snug); margin-bottom: var(--space-2); }
.blog-card p { font-size: var(--text-sm); color: var(--color-text-secondary); }
.blog-card .blog-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}
.blog-card .card-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-green-400);
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.badge-green { background: var(--color-green-50); color: var(--color-green-800); }
.badge-amber { background: var(--color-badge-amber-bg); color: var(--color-badge-amber-text); }
.badge-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }

.badge-hero {
  background: var(--color-badge-hero-bg);
  color: var(--color-green-100);
  border: 1px solid var(--color-badge-hero-border);
  font-size: var(--text-xs);
  padding: 5px 14px;
  border-radius: var(--radius-full);
}

/* ─── Forms ─── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.form-control {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  line-height: var(--leading-normal);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow var(--duration-fast) var(--ease-default);
  appearance: none;
}
.form-control:hover { border-color: var(--color-border-medium); }
.form-control:focus {
  outline: none;
  border-color: var(--color-green-400);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.form-control::placeholder { color: var(--color-text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235C5C5A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-full { grid-column: 1 / -1; }

.form-control.is-valid { border-color: var(--color-success); }
.form-control.is-invalid { border-color: var(--color-danger); }
.form-error-msg {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

.form-success {
  text-align: center;
  padding: var(--space-12);
  background: var(--color-bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
}
.form-success-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-green-50);
  color: var(--color-green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}
.form-success h3 { margin-bottom: var(--space-2); }

.form-error-banner {
  background: color-mix(in srgb, var(--color-danger) 10%, transparent);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

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

/* ─── Hero ─── */
.hero {
  min-height: 560px;
  background: linear-gradient(135deg, var(--color-green-900) 0%, var(--color-green-600) 55%, var(--color-green-400) 100%);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-block: var(--space-16);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.2;
  pointer-events: none;
}

.hero .container { position: relative; z-index: var(--z-base); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: center;
}

.hero h1 { color: var(--color-text-inverse); }
.hero .highlight { color: var(--color-green-200); }
.hero-subtitle {
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}
.hero-body {
  font-size: var(--text-md);
  color: var(--color-overlay-text);
  max-width: 480px;
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}
@media (max-width: 768px) {
  .hero-body { max-width: 100%; } /* Fix 2: no artificial width cap on single-column */
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero-stats { display: flex; flex-direction: column; gap: var(--space-4); }

.hero-stat-card {
  background: var(--color-overlay-light);
  border: 1px solid var(--color-overlay-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 1.875rem); /* Fix 4: fluid, not hard-coded */
  font-weight: var(--weight-semibold);
  color: var(--color-text-inverse);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-overlay-muted);
}

/* ─── Page Hero (inner pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--color-green-900) 0%, var(--color-green-600) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--space-16);
  text-align: center;
}
.page-hero h1 { color: var(--color-text-inverse); margin-bottom: var(--space-4); }
.page-hero p {
  font-size: var(--text-lg);
  color: var(--color-overlay-text);
  max-width: 600px;
  margin-inline: auto;
}

/* ─── About Section ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-green-50);
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

.values-list { margin-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); }
.values-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}
.values-list svg {
  width: 20px;
  height: 20px;
  color: var(--color-green-400);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Process Steps ─── */
.process-steps { display: flex; flex-direction: column; }
.process-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-8);
  position: relative;
}
.process-step:last-child { padding-bottom: 0; }

.step-indicator { display: flex; flex-direction: column; align-items: center; }
.step-num {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-green-400);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-line {
  width: 2px;
  flex: 1;
  background: var(--color-green-100);
  margin-top: var(--space-2);
  min-height: 24px;
}
.process-step:last-child .step-line { display: none; }

.step-content h3 { font-size: var(--text-md); margin-bottom: var(--space-2); }
.step-content p { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.7; }

/* ─── Partners ─── */
.partners-row {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.partners-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.partners-chips {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ─── Technology Section ─── */
.tech-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-10);
  align-items: center;
}
.tech-visual {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--color-green-900);
  position: relative;
}
.tech-visual img { width: 100%; height: 100%; object-fit: cover; }
.tech-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
}
.tech-play-btn {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-green-400);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-base) var(--ease-default);
}
.tech-play-btn:hover { transform: scale(1.08); }

.tech-feature { margin-bottom: var(--space-6); }
.tech-feature h3 {
  font-size: var(--text-md);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.tech-feature p { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.7; }

/* ─── Contact Info ─── */
.contact-info-item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.contact-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon-wrap svg { width: 18px; height: 18px; color: var(--color-green-600); }
.contact-info-item h4 { font-size: var(--text-sm); margin-bottom: var(--space-1); }
.contact-info-item p { font-size: var(--text-sm); color: var(--color-text-secondary); }

/* ─── Footer ─── */
.site-footer {
  background: var(--color-bg-footer);
  color: var(--color-text-inverse);
  padding-top: var(--space-16);
  padding-bottom: var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-footer-body);
  margin-top: var(--space-4);
  max-width: 240px;
  line-height: var(--leading-relaxed);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
}

.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-footer-link);
  transition: color var(--duration-fast) var(--ease-default);
}
.footer-links a:hover { color: var(--color-green-200); }

.social-links { display: flex; gap: var(--space-2); margin-top: var(--space-4); }
.social-link {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-social-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse);
  transition: background var(--duration-fast) var(--ease-default);
}
.social-link:hover {
  background: var(--color-green-400);
  color: var(--color-text-inverse);
}
.social-link svg { width: 16px; height: 16px; }

.footer-divider {
  border: none;
  border-top: 1px solid var(--color-footer-divider);
  margin-bottom: var(--space-6);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-footer-muted);
}
.footer-bottom a { color: var(--color-footer-muted); }
.footer-bottom a:hover { color: var(--color-green-200); }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  /* Fix 5: removed duplicate .footer-grid rule (already handled by 1024px block above) */
  /* Fix 6: service-detail-hero stacks on mobile */
  .service-detail-hero { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ─── Tabs ─── */
.tabs-nav {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  overscroll-behavior-x: contain; /* Fix 7: native-feel swipe, no page-back trigger */
}
.tab-btn {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default);
}
.tab-btn:hover { color: var(--color-green-400); }
.tab-btn.active {
  color: var(--color-green-600);
  border-bottom-color: var(--color-green-400);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.tab-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.tab-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
  aspect-ratio: 16/10;
}

.tab-text p {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .tab-content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ─── FAQ Accordion ─── */
.accordion-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  text-align: left;
  background: var(--color-bg-surface);
  transition: background var(--duration-fast) var(--ease-default);
}
.accordion-trigger:hover {
  background: var(--color-neutral-50);
  color: var(--color-text-primary); /* keep text dark on hover, never invisible */
}
.accordion-trigger svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform var(--duration-base) var(--ease-default);
  flex-shrink: 0;
}
.accordion-item.is-open .accordion-trigger {
  color: var(--color-text-primary); /* keep question text visible when expanded */
  background: var(--color-bg-surface);
}
.accordion-item.is-open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-panel {
  display: none;
  padding: 0 var(--space-5) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary); /* explicit — never inherits a bad value */
  line-height: var(--leading-relaxed);
  background: var(--color-bg-surface);
}
.accordion-item.is-open .accordion-panel { display: block; }

/* ─── Service Detail ─── */
.service-detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.feature-list { margin-top: var(--space-6); }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.feature-list svg {
  width: 18px;
  height: 18px;
  color: var(--color-green-400);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Blog Post ─── */
.blog-post-header { max-width: 720px; margin: 0 auto var(--space-10); text-align: center; }
.blog-post-content {
  max-width: 720px;
  margin: 0 auto;
}
.blog-post-content p { margin-bottom: var(--space-5); }
.blog-post-content h2 { margin-top: var(--space-10); margin-bottom: var(--space-4); }
.blog-post-content h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.blog-post-image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin-bottom: var(--space-10);
  aspect-ratio: 16/9;
  background: var(--color-green-50);
}
.blog-post-image img { width: 100%; height: 100%; object-fit: cover; }

/* ─── Breadcrumb ─── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-overlay-muted);
  margin-bottom: var(--space-4);
  justify-content: center;
}
.breadcrumb a { color: var(--color-green-200); }
.breadcrumb a:hover { color: var(--color-text-inverse); }

/* ─── Team Grid ─── */
.team-card { text-align: center; }
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-green-50);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-green-600);
}
.team-card h3 { font-size: var(--text-md); margin-bottom: var(--space-1); }
.team-card .team-role {
  font-size: var(--text-xs);
  color: var(--color-text-brand);
  margin-bottom: var(--space-2);
}
.team-card p { font-size: var(--text-sm); color: var(--color-text-secondary); }

/* ─── Impact Metrics (sustainability) ─── */
.impact-metric {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
}
.impact-metric .stat-num { color: var(--color-green-600); }
.impact-metric .stat-label { margin-top: var(--space-2); }

/* ─── About image slider ─── */
.about-slider {
  width: 100%;
}

.about-slider__viewport {
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-surface);
  box-shadow: var(--shadow-md);
}

.about-slider__track {
  display: flex;
  transition: transform var(--duration-slow) var(--ease-default);
}

.about-slider__slide {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
  min-height: 320px;
  opacity: 1;
}

.about-slider__media {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-green-50);
}

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

.about-slider__content {
  padding: var(--space-8) var(--space-8) var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-slider__content h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.about-slider__content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.about-slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.about-slider__btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default);
}

.about-slider__btn:hover {
  background: var(--color-green-50);
  border-color: var(--color-border-brand);
  color: var(--color-green-600);
}

.about-slider__dots {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.about-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-200);
  padding: 0;
  transition: background var(--duration-fast) var(--ease-default),
              transform var(--duration-fast) var(--ease-default);
}

.about-slider__dot.is-active {
  background: var(--color-green-400);
  transform: scale(1.15);
}

.about-slider__dot:hover {
  background: var(--color-green-200);
}

@media (max-width: 768px) {
  .about-slider__slide {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .about-slider__content {
    padding: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-slider__track {
    transition: none;
  }
}

/* ─── Quote Section ─── */
.quote-section .container { max-width: var(--container-sm); }

/* ─── Hidden utility ─── */
.hidden { display: none !important; }
.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;
}