/* CarCredo Homepage Styles */

:root {
  --color-primary: #5B4DFF;
  --color-primary-dark: #4A3EE0;
  --color-text: #111827;
  --color-text-secondary: #4B5563;
  --color-text-muted: #6B7280;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
  --max-width: 1200px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(91, 77, 255, 0.08);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--color-text);
}

.main-nav a.btn-primary {
  color: #fff;
}

.lang-form {
  display: inline-flex;
  align-items: center;
}

.lang-form select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.45rem 2rem 0.45rem 0.7rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lang-form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.12);
}

@media (max-width: 768px) {
  .main-nav {
    gap: var(--space-md);
  }

  .main-nav a:not(.btn) {
    display: none;
  }

  .lang-form select {
    padding: 0.4rem 1.75rem 0.4rem 0.6rem;
    font-size: 0.85rem;
  }
}

.lang-form {
  display: inline-flex;
  align-items: center;
}

.lang-form select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.45rem 2rem 0.45rem 0.7rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lang-form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.12);
}

@media (max-width: 768px) {
  .main-nav {
    gap: var(--space-md);
  }

  .main-nav a:not(.btn) {
    display: none;
  }

  .lang-form select {
    padding: 0.4rem 1.75rem 0.4rem 0.6rem;
    font-size: 0.85rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(91, 77, 255, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(91, 77, 255, 0.35);
}

.btn-search {
  background: var(--color-primary);
  color: #fff;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(91, 77, 255, 0.25);
}

.btn-search:hover {
  background: var(--color-primary-dark);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero h1 .accent {
  display: block;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

/* Search Card */
.search-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.search-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.search-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(91, 77, 255, 0.08);
  color: var(--color-primary);
}

.search-form {
  margin-bottom: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: var(--space-md);
  align-items: end;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.field-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field-group select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 2.25rem 0.75rem 0.9rem;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  width: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.12);
}

.field-group select:disabled {
  background-color: var(--color-border-light);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.tag-icon {
  color: var(--color-primary);
  font-weight: 700;
}

/* Hero Media */
.hero-media {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  overflow: visible;
}

.hero-media-stage {
  position: relative;
  width: 155%;
  max-width: 920px;
  margin-top: -5rem;
  margin-right: -20%;
}

.hero-media-stage img {
  width: 200%;
  height: auto;
  position: relative;
  z-index: 2;
  object-fit: cover;
  /* Large oval mask bleeding to top-right with soft fade */
  -webkit-mask-image: radial-gradient(ellipse 75% 68% at 60% 50%, black 40%, transparent 80%);
  mask-image: radial-gradient(ellipse 75% 68% at 60% 50%, black 40%, transparent 80%);
  filter: none;
}

/* How it works */
.how-it-works {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.step-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.step-body p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Features */
.features {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(91, 77, 255, 0.08);
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-xl) 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
}

.footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

/* Messages */
.messages {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0 0 0;
}

.message {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.95rem;
}

.message.success {
  background: rgba(34, 197, 94, 0.08);
  color: #15803d;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.message.error {
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.message.warning {
  background: rgba(245, 158, 11, 0.08);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.message.info {
  background: rgba(59, 130, 246, 0.08);
  color: #1d4ed8;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Utilities */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-media {
    order: -1;
    justify-content: center;
  }

  .hero-media-stage {
    max-width: 600px;
    width: 125%;
    margin-top: -2rem;
    margin-right: -6%;
  }

  .hero-media-stage img {
    -webkit-mask-image: radial-gradient(ellipse 82% 72% at 58% 38%, black 28%, transparent 78%);
    mask-image: radial-gradient(ellipse 82% 72% at 58% 38%, black 28%, transparent 78%);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: var(--space-2xl) 0;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-media-stage {
    display: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .btn-search {
    width: 100%;
  }

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

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

  .main-nav {
    gap: var(--space-md);
  }

  .main-nav a:not(.btn) {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .search-card {
    padding: var(--space-md);
  }

  .search-tags {
    flex-direction: column;
    gap: var(--space-xs);
  }
}