/* Track-Ya-Back, LLC — modern marketing site
   Palette: deep navy + bright cyan accents (evolved from legacy #0099FF) */

:root {
  --navy-950: #061428;
  --navy-900: #0a1f3d;
  --navy-800: #0f2f5c;
  --navy-700: #163a72;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --blue-500: #0099ff;
  --blue-400: #38bdf8;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(6, 20, 40, 0.08);
  --shadow-lg: 0 12px 40px rgba(6, 20, 40, 0.14);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue-500);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid var(--cyan-400);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Header / Nav —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 31, 61, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(34, 211, 238, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  flex-direction: column;
  color: var(--white);
  text-decoration: none;
  line-height: 1.2;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.logo-mark span { color: var(--white); }
.logo-tag {
  font-size: 0.7rem;
  color: var(--slate-300);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--slate-200);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--cyan-400);
  text-decoration: none;
}

.nav-specials[hidden] { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-500));
  /* Navy on cyan/blue meets WCAG 2.1 AA (~6–7.5:1); white failed on cyan */
  color: var(--navy-950);
  box-shadow: 0 4px 14px rgba(0, 153, 255, 0.35);
}
.btn-primary:hover { color: var(--navy-950); filter: brightness(1.05); }
a.btn-primary { color: var(--navy-950); }

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}
.btn-secondary:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.btn-outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--navy-800);
}
.btn-outline:hover {
  background: var(--navy-800);
  color: var(--white);
}

.btn-nav {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--navy-900);
    padding: 1rem;
    gap: 0;
    border-bottom: 1px solid rgba(34, 211, 238, 0.15);
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links a { display: block; padding: 0.85rem 0.5rem; }
  .nav-links .btn-nav { margin: 0.75rem 0.5rem 0.25rem; width: calc(100% - 1rem); }
}

/* —— Hero —— */
.hero {
  background:
    linear-gradient(160deg, rgba(6, 20, 40, 0.32), rgba(10, 31, 61, 0.26)),
    url("../assets/tyb-hero-bg-marina-v5.png") center / cover no-repeat;
  color: var(--white);
  padding: 4.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  font-weight: 750;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--slate-300);
  margin: 0 0 1.75rem;
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.9rem;
  color: var(--slate-300);
}
.hero-meta a { color: var(--cyan-400); }

.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 1.75rem;
  backdrop-filter: blur(6px);
}
.hero-card h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  color: var(--cyan-400);
  font-weight: 600;
}
.hero-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-card li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.95rem;
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}
.hero-card li:last-child { border-bottom: none; }
.hero-card li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--cyan-400);
  flex-shrink: 0;
}
.hero-card li > span {
  flex: 1;
  min-width: 0;
}

@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 3rem 0 2.5rem; }
}

/* —— Sections —— */
.section {
  padding: 4rem 0;
}
.section-alt { background: var(--slate-50); }
.section-navy {
  background: var(--navy-900);
  color: var(--white);
}

.section-header {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}
.section-header h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--navy-900);
}
.section-navy .section-header h2 { color: var(--white); }
.section-header p {
  margin: 0;
  color: var(--slate-600);
  font-size: 1.05rem;
}
.section-navy .section-header p { color: var(--slate-300); }

/* —— Cards / grid —— */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: var(--blue-400);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,153,255,0.15), rgba(34,211,238,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--navy-800);
}
.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  color: var(--navy-900);
}
.card p {
  margin: 0;
  color: var(--slate-600);
  font-size: 0.95rem;
}

/* —— Promo / specials teaser —— */
.promo-banner {
  background: linear-gradient(90deg, var(--navy-800), var(--navy-700));
  color: var(--white);
  padding: 1.25rem 0;
  border-top: 1px solid rgba(34, 211, 238, 0.25);
  border-bottom: 1px solid rgba(34, 211, 238, 0.25);
}
.promo-banner[hidden] { display: none !important; }
.promo-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.promo-inner strong { color: var(--cyan-400); }
.promo-inner p { margin: 0.25rem 0 0; color: var(--slate-300); font-size: 0.95rem; }

/* —— Value strip —— */
.value-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: -2.5rem;
  position: relative;
  z-index: 2;
}
.value-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
  text-align: center;
}
.value-item strong {
  display: block;
  font-size: 1.05rem;
  color: var(--navy-900);
  margin-bottom: 0.25rem;
}
.value-item span {
  font-size: 0.85rem;
  color: var(--slate-600);
}
@media (max-width: 800px) {
  .value-strip { grid-template-columns: 1fr 1fr; margin-top: 0; }
}
@media (max-width: 480px) {
  .value-strip { grid-template-columns: 1fr; }
}

/* —— Page hero (inner pages) —— */
.page-hero {
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  padding: 2.75rem 0 2.5rem;
}
.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}
.page-hero p {
  margin: 0;
  color: var(--slate-300);
  max-width: 40rem;
  font-size: 1.05rem;
}

/* —— Content —— */
.prose {
  max-width: 48rem;
}
.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
  color: var(--navy-900);
}
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 1rem; color: var(--slate-700); }
.prose ul { margin: 0 0 1rem; padding-left: 1.25rem; color: var(--slate-700); }
.prose li { margin-bottom: 0.35rem; }

.demo-box {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.demo-box h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--navy-900);
}
.demo-box code, .demo-box .cred {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  background: var(--white);
  border: 1px solid var(--slate-200);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}
.demo-box dl {
  margin: 0.75rem 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
}
.demo-box dt { font-weight: 600; color: var(--slate-600); font-size: 0.9rem; }
.demo-box dd { margin: 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 720px) {
  .split { grid-template-columns: 1fr; }
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.contact-card h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--navy-900);
}
.contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 1rem;
}
.contact-row .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-500);
  font-weight: 600;
}
.contact-row a, .contact-row span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-800);
}
.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  text-decoration: none;
}
.social-links a:hover { background: var(--blue-500); }

/* —— Forms —— */
.form-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  max-width: 640px;
}

.form-group {
  margin-bottom: 1.15rem;
}
.form-group label,
.form-group .form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate-700);
  margin-bottom: 0.35rem;
}
.form-group .hint {
  font-weight: 400;
  color: var(--slate-500);
  font-size: 0.85rem;
}
.required-mark { color: #dc2626; }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--slate-800);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.2);
}
.form-group input.is-invalid,
.form-group textarea.is-invalid,
.form-group select.is-invalid,
input.is-invalid {
  border-color: #dc2626;
}

.radio-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.25rem;
}
.radio-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  cursor: pointer;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.form-error[hidden] { display: none !important; }

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
}
.form-note {
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-top: 1rem;
}

/* —— Specials empty —— */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--slate-50);
  border: 1px dashed var(--slate-300);
  border-radius: var(--radius);
}
.empty-state h2 {
  margin: 0 0 0.5rem;
  color: var(--navy-900);
}
.empty-state p {
  margin: 0 0 1.25rem;
  color: var(--slate-600);
}
.empty-state[hidden],
#specials-promo[hidden] { display: none !important; }

.special-card {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.special-card .eyebrow {
  color: var(--cyan-400);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.5rem;
}
.special-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  color: var(--white);
}
.special-card p {
  margin: 0 0 1.25rem;
  color: var(--slate-300);
  font-size: 1.05rem;
}
.special-ends {
  font-size: 0.9rem;
  color: var(--cyan-400);
  margin-bottom: 1.25rem;
}

/* —— CTA band —— */
.cta-band {
  text-align: center;
  padding: 3.5rem 0;
}
.cta-band h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}
.cta-band p {
  margin: 0 0 1.5rem;
  color: var(--slate-300);
}
.section-navy .cta-band h2 { color: var(--white); }

/* —— Footer —— */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-300);
  padding: 3rem 0 1.5rem;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand .logo-mark,
.footer-brand .logo-mark span {
  color: #ffffff;
  margin-bottom: 0.5rem;
  display: block;
}
.footer-brand .logo-mark span { display: inline; }
.footer-brand p { margin: 0; max-width: 28em; }
.footer-col h4 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a { color: var(--slate-300); }
.footer-col a:hover { color: var(--cyan-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--slate-500);
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* —— Thanks —— */
.thanks-box {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.thanks-box h1 { color: var(--navy-900); margin-bottom: 0.75rem; }
.thanks-box p { color: var(--slate-600); margin-bottom: 1.5rem; }

/* —— Theme toggle (header) —— */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.theme-toggle:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: rgba(34, 211, 238, 0.08);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (min-width: 861px) {
  .header-inner {
    justify-content: flex-start;
  }
  .header-actions {
    order: 3;
    margin-left: 0.75rem;
  }
  .nav-links {
    margin-left: auto;
  }
}

/* —— Dark theme overrides —— */
/* Header wordmark: match full Track-Ya-Back to link cyan in dark mode
   (nested .logo-mark span was pinned white and stayed white while Track-Ya- went cyan). */
[data-theme="dark"] .site-header .logo,
[data-theme="dark"] .site-header .logo .logo-mark,
[data-theme="dark"] .site-header .logo .logo-mark span {
  color: var(--cyan-400);
}
/* Current nav item white in dark mode (Mark 2026-09-23). */
[data-theme="dark"] .nav-links a[aria-current="page"] {
  color: var(--white);
}

/* Footer brand stays white in dark mode (Mark 2026-09-23). */
[data-theme="dark"] .footer-brand .logo-mark,
[data-theme="dark"] .footer-brand .logo-mark span {
  color: #ffffff;
}

[data-theme="dark"] body {
  color: var(--slate-200);
  background: var(--navy-950);
}

[data-theme="dark"] a {
  color: var(--cyan-400);
}

/* Buttons must not inherit dark-mode link cyan (fails WCAG on primary gradient) */
[data-theme="dark"] a.btn-primary,
[data-theme="dark"] .btn-primary {
  color: var(--navy-950);
}
[data-theme="dark"] a.btn-primary:hover,
[data-theme="dark"] .btn-primary:hover {
  color: var(--navy-950);
}
[data-theme="dark"] a.btn-secondary,
[data-theme="dark"] .btn-secondary {
  color: var(--white);
}
[data-theme="dark"] a.btn-secondary:hover,
[data-theme="dark"] .btn-secondary:hover {
  color: var(--cyan-400);
}

[data-theme="dark"] .section-alt {
  background: var(--navy-900);
}

[data-theme="dark"] .section-header h2 {
  color: var(--white);
}
[data-theme="dark"] .section-header p {
  color: var(--slate-300);
}

[data-theme="dark"] .card {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .card:hover {
  border-color: var(--cyan-400);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .card-icon {
  background: linear-gradient(135deg, rgba(0, 153, 255, 0.25), rgba(34, 211, 238, 0.28));
  color: var(--cyan-400);
}
[data-theme="dark"] .card h3 {
  color: var(--white);
}
[data-theme="dark"] .card p {
  color: var(--slate-300);
}

[data-theme="dark"] .value-item {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .value-item strong {
  color: var(--white);
}
[data-theme="dark"] .value-item span {
  color: var(--slate-300);
}

[data-theme="dark"] .prose h2 {
  color: var(--white);
}
[data-theme="dark"] .prose p,
[data-theme="dark"] .prose ul {
  color: var(--slate-300);
}

[data-theme="dark"] .btn-outline {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
}
[data-theme="dark"] .btn-outline:hover {
  background: var(--cyan-400);
  color: var(--navy-950);
}

[data-theme="dark"] .demo-box {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.2);
}
[data-theme="dark"] .demo-box h3 {
  color: var(--white);
}
[data-theme="dark"] .demo-box code,
[data-theme="dark"] .demo-box .cred {
  background: var(--navy-800);
  border-color: rgba(148, 163, 184, 0.25);
  color: var(--cyan-400);
}
[data-theme="dark"] .demo-box dt {
  color: var(--slate-400);
}
[data-theme="dark"] .demo-box dd {
  color: var(--slate-200);
}

[data-theme="dark"] .contact-card {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .contact-card h3 {
  color: var(--white);
}
[data-theme="dark"] .contact-row .label {
  color: var(--slate-400);
}
[data-theme="dark"] .contact-row a,
[data-theme="dark"] .contact-row span {
  color: var(--cyan-400);
}

[data-theme="dark"] .form-card {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .form-group label,
[data-theme="dark"] .form-group .form-label {
  color: var(--slate-200);
}
[data-theme="dark"] .form-group .hint {
  color: var(--slate-400);
}
[data-theme="dark"] .form-group input[type="text"],
[data-theme="dark"] .form-group input[type="email"],
[data-theme="dark"] .form-group input[type="tel"],
[data-theme="dark"] .form-group input[type="number"],
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  color: var(--slate-100);
  background: var(--navy-950);
  border-color: rgba(148, 163, 184, 0.28);
}
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
  color: var(--slate-500);
}
[data-theme="dark"] .radio-row label {
  color: var(--slate-200);
}
[data-theme="dark"] .form-error {
  background: rgba(127, 29, 29, 0.35);
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.4);
}
[data-theme="dark"] .form-note {
  color: var(--slate-400);
}

[data-theme="dark"] .empty-state {
  background: var(--navy-900);
  border-color: rgba(148, 163, 184, 0.28);
}
[data-theme="dark"] .empty-state h2 {
  color: var(--white);
}
[data-theme="dark"] .empty-state p {
  color: var(--slate-300);
}

[data-theme="dark"] .thanks-box h1 {
  color: var(--white);
}
[data-theme="dark"] .thanks-box p {
  color: var(--slate-300);
}

[data-theme="dark"] .section:not(.section-navy):not(.section-alt) {
  background: var(--navy-950);
}