/* ============================================
   DEE 911 Detailing — Main Stylesheet
   Design Language: Charcoal-black ground,
   ceramic teal accent, warm gold secondary
   ============================================ */

/* --- CSS Custom Properties (Light Mode Default) --- */
:root {
  /* Brand colours */
  --color-ground: #0D0E12;
  --color-teal: #00C2A8;
  --color-teal-dark: #00A08A;
  --color-gold: #D4A73C;
  --color-gold-dark: #B8912F;
  --color-light-grey: #F4F3F1;
  --color-near-white: #F2F0ED;

  /* Semantic tokens — page surfaces & text */
  --bg-page: #ffffff;
  --bg-surface: #F4F3F1;
  --bg-surface-alt: #E8E7E4;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #6B6B6B;

  /* Text that sits ON brand-colour backgrounds (hero, buttons, nav, footer)
     — stays light in BOTH themes */
  --text-on-brand: #FFFFFF;
  --text-on-brand-muted: #E0E0E0;

  /* Header/Footer (always dark ground in both themes) */
  --bg-header: #0D0E12;
  --bg-footer: #0D0E12;
  --text-header: #F2F0ED;

  /* Cards */
  --bg-card: #FFFFFF;
  --card-border: #E0DFDC;
  --card-shadow: rgba(0, 0, 0, 0.06);

  /* Form elements */
  --bg-input: #FFFFFF;
  --border-input: #CCCCCC;
  --border-input-focus: #00C2A8;

  /* Misc */
  --border-radius: 8px;
  --transition-speed: 0.3s;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --bg-page: #111216;
  --bg-surface: #1A1B20;
  --bg-surface-alt: #222328;
  --text-primary: #F2F0ED;
  --text-secondary: #B8B6B2;
  --text-muted: #8A8885;

  --bg-header: #0D0E12;
  --bg-footer: #0D0E12;
  --text-header: #F2F0ED;

  --bg-card: #1E1F24;
  --card-border: #2E2F34;
  --card-shadow: rgba(0, 0, 0, 0.3);

  --bg-input: #1A1B20;
  --border-input: #3A3B40;
  --border-input-focus: #00C2A8;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-page);
  transition: background-color var(--transition-speed), color var(--transition-speed);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  color: var(--color-teal-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

ul {
  list-style: none;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

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

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

.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;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-speed);
}

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

.btn--primary:hover {
  background-color: var(--color-teal-dark);
  color: var(--text-on-brand);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--text-on-brand);
}

.btn--whatsapp:hover {
  background-color: #1DA851;
  color: var(--text-on-brand);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--color-teal);
  color: var(--color-teal);
}

.btn--outline:hover {
  background-color: var(--color-teal);
  color: var(--text-on-brand);
}

.btn--gold {
  background-color: var(--color-gold);
  color: var(--text-on-brand);
}

.btn--gold:hover {
  background-color: var(--color-gold-dark);
  color: var(--text-on-brand);
}

/* --- Header --- */
.header {
  background-color: var(--bg-header);
  color: var(--text-header);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header__logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-on-brand);
  text-decoration: none;
}

.header__logo span {
  color: var(--color-teal);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__nav-links {
  display: flex;
  gap: 1.5rem;
}

.header__nav-links a {
  color: var(--text-header);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-speed);
}

.header__nav-links a:hover,
.header__nav-links a.active {
  color: var(--color-teal);
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 2px solid var(--color-teal);
  color: var(--color-teal);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background-color: var(--color-teal);
  color: var(--text-on-brand);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-sun {
  display: block;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-header);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Header CTA */
.header__cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__cta .btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

/* --- Hero --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0D0E12 0%, #1A1B20 100%);
  padding: 5rem 0;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(0, 194, 168, 0.15);
  border: 1px solid var(--color-teal);
  color: var(--color-teal);
  padding: 0.35rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: 3rem;
  color: var(--text-on-brand);
  margin-bottom: 1rem;
}

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

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-on-brand-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
}

.section-header.text-center p {
  margin-left: auto;
  margin-right: auto;
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  box-shadow: 0 2px 8px var(--card-shadow);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--card-shadow);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(0, 194, 168, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-teal);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-card__description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.service-card__price {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.95rem;
}

.service-card--premium {
  border-color: var(--color-gold);
}

.service-card--premium .service-card__icon {
  background-color: rgba(212, 167, 60, 0.1);
  color: var(--color-gold);
}

/* --- How It Works --- */
.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.how-it-works__step {
  text-align: center;
  counter-increment: step;
}

.how-it-works__step-number {
  width: 56px;
  height: 56px;
  background-color: var(--color-teal);
  color: var(--text-on-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 auto 1rem;
}

.how-it-works__step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.how-it-works__step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Trust Banner --- */
.trust-banner {
  background: linear-gradient(135deg, var(--color-teal), #009E88);
  padding: 2.5rem 0;
  text-align: center;
}

.trust-banner__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  align-items: center;
}

.trust-banner__item {
  color: var(--text-on-brand);
}

.trust-banner__item strong {
  display: block;
  font-size: 1.75rem;
  font-family: 'Poppins', sans-serif;
}

.trust-banner__item span {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-speed);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: var(--text-on-brand);
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background-color: rgba(0, 194, 168, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__text h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-info__text p,
.contact-info__text a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-info__text a:hover {
  color: var(--color-teal);
}

/* Contact Form */
.contact-form {
  background-color: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 2rem;
}

.contact-form h3 {
  margin-bottom: 0.5rem;
}

.contact-form p.form-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-input);
  border-radius: var(--border-radius);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--border-input-focus);
  box-shadow: 0 0 0 3px rgba(0, 194, 168, 0.15);
}

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

/* --- Footer --- */
.footer {
  background-color: var(--bg-footer);
  color: var(--text-header);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__brand p {
  color: rgba(242, 240, 237, 0.7);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 300px;
}

.footer__links h4,
.footer__contact h4 {
  color: var(--color-teal);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer__links ul li {
  margin-bottom: 0.5rem;
}

.footer__links ul li a {
  color: rgba(242, 240, 237, 0.7);
  font-size: 0.9rem;
}

.footer__links ul li a:hover {
  color: var(--color-teal);
}

.footer__contact p,
.footer__contact a {
  color: rgba(242, 240, 237, 0.7);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.4rem;
}

.footer__contact a:hover {
  color: var(--color-teal);
}

.footer__bottom {
  border-top: 1px solid rgba(242, 240, 237, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(242, 240, 237, 0.5);
  font-size: 0.85rem;
}

/* --- Page Header (for inner pages) --- */
.page-header {
  background: linear-gradient(135deg, #0D0E12 0%, #1A1B20 100%);
  padding: 4rem 0 3rem;
  text-align: center;
}

.page-header h1 {
  color: var(--text-on-brand);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-on-brand-muted);
  font-size: 1.1rem;
}

/* --- Checklist (How It Works) --- */
.checklist {
  background-color: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin-top: 2rem;
}

.checklist h3 {
  margin-bottom: 1rem;
  color: var(--color-teal);
}

.checklist ul {
  list-style: none;
}

.checklist ul li {
  padding: 0.5rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--text-secondary);
}

.checklist ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-teal);
  font-weight: 700;
}

/* --- Service Area --- */
.service-area {
  background-color: var(--bg-surface);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.service-area h4 {
  margin-bottom: 0.5rem;
  color: var(--color-teal);
}

.service-area p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Services Detail Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail__image {
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.service-detail__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail__content h2 {
  margin-bottom: 1rem;
}

.service-detail__content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.service-detail__features {
  margin-top: 1rem;
}

.service-detail__features li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.service-detail__features li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-teal);
  font-weight: 700;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero { padding: 3.5rem 0; min-height: auto; }
  .hero__title { font-size: 2.25rem; }
  .hero__subtitle { font-size: 1rem; }

  .section { padding: 3rem 0; }

  .header__nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-header);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    border-top: 1px solid rgba(242, 240, 237, 0.1);
  }

  .header__nav-links.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .header__cta .btn span {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.75rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .header__cta .btn { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
}