/* ========================================
   Detailing Alchemist — Website Styles
   Dark theme with gold (#c9a84c) accents
   ======================================== */

:root {
  --gold: #c9a84c;
  --gold-light: #e0c772;
  --gold-dark: #a8893a;
  --gold-glow: rgba(201, 168, 76, 0.3);
  --gold-glow-strong: rgba(201, 168, 76, 0.5);
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1c1c1c;
  --border: #222222;
  --border-light: #333333;
  --text-primary: #f0f0f0;
  --text-secondary: #999999;
  --text-muted: #666666;
  --success: #4caf50;
  --danger: #ef5350;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--gold-light);
}

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

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

.gold-text {
  color: var(--gold);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0.75rem auto 0;
}

/* ========================================
   Layout
   ======================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.nav-brand img {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-cta {
  background: var(--gold);
  color: #000 !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--gold-light);
  color: #000 !important;
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========================================
   Hero
   ======================================== */

.hero {
  padding: 10rem 0 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
  box-shadow: 0 0 60px var(--gold-glow), 0 0 120px rgba(201, 168, 76, 0.15);
  position: relative;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 1.5rem;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* App Store badge */
.app-store-badge {
  display: inline-block;
  transition: transform var(--transition), opacity var(--transition);
}

.app-store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.app-store-badge img {
  height: 54px;
  width: auto;
}

/* ========================================
   Screenshots Carousel
   ======================================== */

.screenshots {
  padding: 3rem 0 5rem;
  overflow: hidden;
}

.screenshots-track {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.screenshot-item {
  flex: 0 0 auto;
  width: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.screenshot-item:hover {
  transform: translateY(-8px);
  border-color: var(--gold-dark);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--gold-glow);
}

.screenshot-item {
  cursor: pointer;
}

.screenshot-item img {
  width: 100%;
  height: auto;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: pointer;
  animation: lightbox-in 0.25s ease;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-height: 90vh;
  max-width: 90vw;
  border-radius: var(--radius);
  box-shadow: 0 0 60px var(--gold-glow);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.lightbox-close:hover {
  color: var(--text-primary);
}

@keyframes lightbox-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ========================================
   Features
   ======================================== */

.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

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

.feature-card:hover {
  border-color: var(--gold-dark);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-card ul {
  list-style: none;
  margin-top: 1rem;
}

.feature-card ul li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.feature-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* ========================================
   Pricing
   ======================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.pricing-card.featured {
  border-color: var(--gold);
  box-shadow: 0 0 40px var(--gold-glow);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  border-radius: 20px;
}

.pricing-card h3 {
  margin-bottom: 0.5rem;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.pricing-card .price-period {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pricing-card .price-note {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.4rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: var(--font);
}

.btn-primary {
  background: var(--gold);
  color: #000;
}

.btn-primary:hover {
  background: var(--gold-light);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--gold-glow);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: rgba(201, 168, 76, 0.1);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ========================================
   Brands
   ======================================== */

.brands {
  text-align: center;
}

.brands-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.brand-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  text-align: center;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.cta-section h2 {
  margin-bottom: 1rem;
  position: relative;
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
  position: relative;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 36px;
  height: 36px;

}

.footer-brand span {
  font-weight: 700;
  font-size: 1.05rem;
}

.footer-about p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer h4 {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ========================================
   Form Pages
   ======================================== */

.page-header {
  padding: 8rem 0 3rem;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.page-header p {
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: 1.05rem;
}

.form-section {
  padding: 4rem 0;
}

.form-container {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group .label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select.form-control option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-submit {
  margin-top: 2rem;
}

.form-success {
  text-align: center;
  padding: 4rem 0;
}

.form-success .check-icon {
  width: 64px;
  height: 64px;
  background: rgba(76, 175, 80, 0.15);
  border: 2px solid var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.8rem;
}

/* ========================================
   Legal Pages
   ======================================== */

.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  color: var(--gold);
}

.legal-content h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.75rem;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.legal-content ul {
  color: var(--text-secondary);
  margin: 0.5rem 0 1.5rem 1.5rem;
  line-height: 1.7;
}

.legal-content ul li {
  margin-bottom: 0.3rem;
}

.legal-content .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0;
    font-size: 1rem;
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 8rem 0 4rem;
  }

  .hero-logo {
    width: 90px;
    height: 90px;

  }

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

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

  .screenshots-track {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 1rem 1.5rem;
  }

  .screenshot-item {
    scroll-snap-align: center;
    width: 180px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 7rem 0 3rem;
  }

  .hero-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }
}