/* ========================================
   VanTaiHangHoa.com – Main Stylesheet
   Design System: Black & Gold Transport
   Mobile-First Approach
   ======================================== */

/* === DESIGN TOKENS === */
:root {
  /* Primary Palette – Black & Gold Transport */
  --color-black:        #0A0A0A;
  --color-black-soft:   #141414;
  --color-black-card:   #1A1A1A;
  --color-black-border: #2A2A2A;
  --color-gold:         #F5A623;
  --color-gold-light:   #FFB940;
  --color-gold-dark:    #D4870A;
  --color-gold-muted:   #8A5E10;

  /* Neutral */
  --color-white:     #FFFFFF;
  --color-gray-100:  #F5F5F5;
  --color-gray-200:  #E5E5E5;
  --color-gray-400:  #9A9A9A;
  --color-gray-600:  #5A5A5A;
  --color-gray-800:  #2A2A2A;

  /* Semantic */
  --color-success:   #22C55E;
  --color-warning:   #F59E0B;
  --color-error:     #EF4444;
  --color-info:      #3B82F6;

  /* Background */
  --bg-primary:    #0A0A0A;
  --bg-secondary:  #141414;
  --bg-card:       #1A1A1A;
  --bg-input:      #242424;

  /* Text */
  --text-primary:   #FFFFFF;
  --text-secondary: #CCCCCC;
  --text-muted:     #888888;
  --text-gold:      #F5A623;

  /* Typography */
  --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Type Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   20px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card:   0 2px 12px rgba(0,0,0,0.4);
  --shadow-gold:   0 0 20px rgba(245,166,35,0.15);
  --shadow-input:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-header: 0 1px 8px rgba(0,0,0,0.5);

  /* Transition */
  --transition: 150ms ease;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-primary); }
input, select, textarea, button { font-family: var(--font-primary); }

/* Screen reader only */
.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;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 768px) { .container { padding: 0 24px; } }
@media (min-width: 1200px) { .container { padding: 0 32px; } }

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-gold);
  color: var(--color-black);
  font-weight: 700;
  font-size: var(--text-base);
  padding: 14px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary:hover { background: var(--color-gold-light); color: var(--color-black); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-gold);
  font-weight: 600;
  padding: 13px 23px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gold);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  line-height: 1.2;
}
.btn-secondary:hover { background: rgba(245,166,35,0.1); color: var(--color-gold); }

.btn-dark {
  background: var(--color-black);
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition);
  line-height: 1.2;
}
.btn-dark:hover { transform: translateY(-2px); color: var(--color-gold); }

.btn-full { width: 100%; }

.btn-sm {
  padding: 10px 18px;
  font-size: var(--text-sm);
}

/* === CARDS === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--color-black-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--color-gold-muted);
  box-shadow: var(--shadow-gold);
}

/* === FORM ELEMENTS === */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--color-black-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-gold);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' 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 16px center;
  padding-right: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: 4px;
}
.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-black-border);
  height: 64px;
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: var(--text-lg);
}
.logo svg { width: 32px; height: 32px; color: var(--color-gold); }
.logo-text { color: var(--color-gold); }
.logo-dot { color: var(--text-primary); }

.main-nav { display: none; }
@media (min-width: 768px) {
  .main-nav { display: block; }
  .main-nav ul { display: flex; align-items: center; gap: 4px; }
  .main-nav a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-decoration: none;
  }
  .main-nav a:hover, .main-nav a.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
  }
  .main-nav .btn-primary {
    padding: 10px 20px;
    font-size: var(--text-sm);
  }
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}
@media (min-width: 768px) { .menu-toggle { display: none; } }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 280px;
  background: var(--bg-card);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 250ms ease;
  padding: 80px 24px 24px;
  overflow-y: auto;
}
.mobile-menu.open {
  display: block;
  transform: translateX(0);
}
.mobile-menu a {
  display: block;
  padding: 14px 0;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  font-weight: 500;
  border-bottom: 1px solid var(--color-black-border);
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--color-gold); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 250;
}
.mobile-overlay.open { display: block; }

/* === BOTTOM NAV (MOBILE) === */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 200;
  background: var(--bg-card);
  border-top: 1px solid var(--color-black-border);
  padding-bottom: env(safe-area-inset-bottom);
}
@media (max-width: 767px) {
  .bottom-nav { display: grid; grid-template-columns: repeat(4, 1fr); }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
}
.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 4px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 10px;
  font-weight: 600;
  transition: color var(--transition);
  min-height: 54px;
}
.bottom-nav__item.active,
.bottom-nav__item:hover { color: var(--color-gold); }
.bottom-nav__item--cta {
  color: var(--color-gold);
  background: rgba(245,166,35,0.08);
}
.bottom-nav__item svg { width: 22px; height: 22px; }

/* === HERO === */
.hero {
  padding: 48px 0 64px;
  text-align: center;
}
.hero__title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.hero__title span { color: var(--color-gold); }
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

/* === SEARCH WIDGET === */
.search-widget {
  background: var(--bg-card);
  border: 1.5px solid var(--color-black-border);
  border-radius: var(--radius-2xl);
  padding: 20px;
  max-width: 760px;
  margin: 0 auto;
}
.search-widget__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 640px) {
  .search-widget__grid {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
  }
}

/* Autocomplete dropdown */
.autocomplete-wrapper { position: relative; }
.autocomplete-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--color-black-border);
  border-radius: var(--radius-md);
  margin-top: 4px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 50;
  box-shadow: var(--shadow-card);
}
.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition);
}
.autocomplete-item:hover { background: rgba(245,166,35,0.05); }
.autocomplete-icon { width: 18px; height: 18px; color: var(--color-gold); flex-shrink: 0; }
.autocomplete-name { font-weight: 600; font-size: var(--text-sm); }
.autocomplete-type { font-size: var(--text-xs); color: var(--text-muted); }

/* === SECTIONS === */
.section { padding: 56px 0; }
.section--alt { background: var(--bg-secondary); }
.section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: 8px;
}
.section__subtitle {
  color: var(--text-muted);
  margin-bottom: 32px;
}
.section-header {
  margin-bottom: 32px;
}
.section-header--center { text-align: center; }

/* === TOOLS GRID === */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
}
.tool-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(245,166,35,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.tool-card__icon svg { width: 28px; height: 28px; color: var(--color-gold); }
.tool-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 8px;
}
.tool-card__desc { color: var(--text-muted); font-size: var(--text-sm); line-height: 1.5; }

/* === ROUTE CARDS === */
.routes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.route-card__path {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: var(--text-lg);
}
.route-card__arrow { color: var(--color-gold); }
.route-card__meta {
  display: flex;
  gap: 16px;
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.route-card__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.route-card__price {
  color: var(--color-gold);
  font-weight: 700;
  font-size: var(--text-lg);
}

/* === RESULT CARD (Tool Output) === */
.result-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1e1800 100%);
  border: 2px solid var(--color-gold-muted);
  border-radius: var(--radius-xl);
  padding: 24px;
}
.result-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-black-border);
}
.result-price {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-gold);
}
.result-price-range {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 4px;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px) {
  .result-grid { grid-template-columns: repeat(3, 1fr); }
}
.result-item { }
.result-item__label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.result-item__value {
  font-size: var(--text-lg);
  font-weight: 700;
}

/* === STATS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-item { text-align: center; padding: 24px 16px; }
.stat-item__number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 4px;
}
.stat-item__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* === STEPS === */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}
.step-item { text-align: center; padding: 24px; }
.step-item__number {
  width: 48px;
  height: 48px;
  background: rgba(245,166,35,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-gold);
}
.step-item__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 8px;
}
.step-item__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: 16px 0;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb__sep { color: var(--color-black-border); }
.breadcrumb__current { color: var(--text-secondary); }

/* === ARTICLES === */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .articles-grid { grid-template-columns: repeat(3, 1fr); }
}
.article-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.article-card__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.article-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.article-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
  flex-grow: 1;
}
.article-card__meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

/* Article Content */
.article-content {
  max-width: 780px;
  margin: 0 auto;
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-secondary);
}
.article-content h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--color-gold);
}
.article-content h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 28px 0 12px;
}
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.article-content li { margin-bottom: 8px; list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content strong { color: var(--text-primary); font-weight: 600; }
.article-content a { color: var(--color-gold); text-decoration: underline; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-base);
}
.article-content th {
  background: var(--color-gold);
  color: var(--color-black);
  font-weight: 700;
  padding: 12px 16px;
  text-align: left;
}
.article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-black-border);
  background: var(--bg-card);
}
.article-content tr:last-child td { border-bottom: none; }

/* === FAQ === */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-black-border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 20px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question svg {
  width: 20px; height: 20px;
  color: var(--color-gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding-bottom: 20px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-answer { display: block; }

/* === CTA BANNER === */
.cta-banner {
  background: var(--color-gold);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  margin: 48px 0;
}
.cta-banner__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 8px;
}
.cta-banner__subtitle {
  color: rgba(0,0,0,0.7);
  margin-bottom: 24px;
}

/* === FOOTER === */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--color-black-border);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-col__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: 4px 0;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-gold); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-black-border);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-contact svg { width: 16px; height: 16px; color: var(--color-gold); }

/* === LOADING & SPINNER === */
.loading { opacity: 0.6; pointer-events: none; }
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-black-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === ALERTS / MESSAGES === */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: 16px;
}
.alert--success { background: rgba(34,197,94,0.1); color: var(--color-success); border: 1px solid rgba(34,197,94,0.2); }
.alert--error { background: rgba(239,68,68,0.1); color: var(--color-error); border: 1px solid rgba(239,68,68,0.2); }
.alert--info { background: rgba(59,130,246,0.1); color: var(--color-info); border: 1px solid rgba(59,130,246,0.2); }

/* === TABS === */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-black-border);
  margin-bottom: 24px;
  overflow-x: auto;
}
.tab-btn {
  padding: 12px 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* === BADGE === */
.badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}
.badge--gold { background: rgba(245,166,35,0.15); color: var(--color-gold); }
.badge--success { background: rgba(34,197,94,0.15); color: var(--color-success); }
.badge--info { background: rgba(59,130,246,0.15); color: var(--color-info); }

/* === PAGE TITLE === */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--color-black-border);
  margin-bottom: 32px;
}
.page-header__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}
.page-header__desc {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
}

/* === PAGINATION === */
.pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 40px;
}
.pagination a, .pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}
.pagination a { color: var(--text-muted); background: var(--bg-card); border: 1px solid var(--color-black-border); }
.pagination a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.pagination .active { background: var(--color-gold); color: var(--color-black); border: 1px solid var(--color-gold); }

/* === PRINT STYLES === */
@media print {
  .site-header, .bottom-nav, .main-nav, .cta-banner, .site-footer { display: none !important; }
  body { background: white; color: black; padding-bottom: 0; }
  .result-card { border: 2px solid #000; background: #f5f5f5; }
  .result-price { color: #000; }
}