@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  --dark: #212529;
  --dark-light: #2c3034;
  --dark-lighter: #343a40;
  --yellow: #FFC107;
  --yellow-hover: #e0a800;
  --white: #f8f9fa;
  --gray: #adb5bd;
  --gradient-1: linear-gradient(135deg, #212529 0%, #2c3034 100%);
  --gradient-2: linear-gradient(135deg, #2c3034 0%, #343a40 100%);
  --gradient-3: linear-gradient(135deg, #1a1d21 0%, #212529 100%);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--dark);
  color: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

a { color: var(--yellow); text-decoration: none; transition: color .2s; }
a:hover { color: var(--yellow-hover); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */
.header {
  background: rgba(33,37,41,.97);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,193,7,.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: -.5px;
}
.logo span { color: var(--white); }

.nav { display: flex; gap: 28px; list-style: none; }
.nav a {
  color: var(--gray);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav a:hover, .nav a.active { color: var(--yellow); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.burger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,6px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-6px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: var(--gradient-3);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,193,7,.08) 0%, transparent 60%);
}
.hero .container { position: relative; z-index: 2; width: 100%; }

.hero-content {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 50px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
}
.hero-text h1 em {
  color: var(--yellow);
  font-style: normal;
}
.hero-text p {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-card {
  background: rgba(44,48,52,.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,193,7,.2);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.hero-card h3 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 1.15rem;
  font-weight: 600;
}
.hero-card .vin-input-wrap {
  position: relative;
  margin-bottom: 16px;
}
.hero-card input[type="text"] {
  width: 100%;
  padding: 14px 18px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  background: var(--dark);
  border: 2px solid rgba(255,193,7,.3);
  border-radius: 10px;
  color: var(--white);
  outline: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: border-color .2s;
}
.hero-card input[type="text"]::placeholder {
  color: var(--gray);
  text-transform: none;
  letter-spacing: 0;
}
.hero-card input[type="text"]:focus {
  border-color: var(--yellow);
}
.hero-card .price-tag {
  text-align: center;
  color: var(--gray);
  font-size: .9rem;
  margin-bottom: 18px;
}
.hero-card .price-tag strong {
  color: var(--yellow);
  font-size: 1.3rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: 'Montserrat', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all .25s;
  text-align: center;
}
.btn-yellow {
  background: var(--yellow);
  color: var(--dark);
}
.btn-yellow:hover {
  background: var(--yellow-hover);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,193,7,.3);
}
.btn-outline {
  background: transparent;
  color: var(--yellow);
  border: 2px solid var(--yellow);
}
.btn-outline:hover {
  background: var(--yellow);
  color: var(--dark);
}
.btn-full { width: 100%; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--gradient-2); }
.section-dark { background: var(--gradient-1); }
.section-gradient {
  background: linear-gradient(180deg, #1a1d21 0%, #2c3034 50%, #1a1d21 100%);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.section-title em {
  color: var(--yellow);
  font-style: normal;
}
.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 50px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}

.card {
  background: var(--dark-light);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  padding: 36px 28px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,.3);
}
.card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}
.card-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--yellow);
  display: block;
  margin-bottom: 10px;
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 600;
}
.card p { color: var(--gray); font-size: .92rem; }

/* ===== BRAND LINKS ===== */
.brand-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
}
.brand-link {
  display: inline-block;
  padding: 10px 22px;
  background: var(--dark-light);
  border: 1px solid rgba(255,193,7,.15);
  border-radius: 8px;
  color: var(--white);
  font-size: .9rem;
  font-weight: 500;
  transition: all .2s;
}
.brand-link:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(255,193,7,.08);
}

/* ===== STATS ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item .stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--yellow);
  display: block;
}
.stat-item .stat-label {
  color: var(--gray);
  font-size: .95rem;
  margin-top: 6px;
}

/* ===== FAQ ACCORDION ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--dark-light);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  user-select: none;
  transition: color .2s;
}
.faq-question:hover { color: var(--yellow); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--yellow);
  font-weight: 700;
  transition: transform .3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer {
  max-height: 400px;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--gray);
  font-size: .93rem;
  line-height: 1.7;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  text-align: center;
  padding: 70px 20px;
  background: linear-gradient(135deg, rgba(255,193,7,.1) 0%, rgba(255,193,7,.03) 100%);
  border-radius: 20px;
  border: 1px solid rgba(255,193,7,.15);
}
.cta-banner h2 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}
.cta-banner p {
  color: var(--gray);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

/* ===== CONTENT PAGE ===== */
.page-hero {
  padding: 50px 0 40px;
  background: var(--gradient-3);
  border-bottom: 1px solid rgba(255,193,7,.1);
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .85rem;
  color: var(--gray);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--yellow); }
.breadcrumb span { color: var(--gray); }

.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
}
.page-hero h1 em { color: var(--yellow); font-style: normal; }

.content-section { padding: 60px 0; }
.content-section h2 {
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--white);
}
.content-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--white);
}
.content-section p {
  color: var(--gray);
  margin-bottom: 18px;
  font-size: .97rem;
}
.content-section ul, .content-section ol {
  color: var(--gray);
  margin-bottom: 18px;
  padding-left: 24px;
}
.content-section li { margin-bottom: 8px; font-size: .95rem; }

.pdf-preview {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--dark-light);
  border: 1px solid rgba(255,193,7,.2);
  border-radius: 12px;
  padding: 18px 24px;
  margin: 20px 0;
  transition: border-color .2s;
}
.pdf-preview:hover { border-color: var(--yellow); }
.pdf-preview .pdf-icon { font-size: 2rem; }
.pdf-preview .pdf-text { font-size: .92rem; color: var(--gray); }
.pdf-preview .pdf-text strong { color: var(--white); display: block; margin-bottom: 2px; }

/* ===== PLATFORM CARDS ===== */
.platform-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}
.platform-card {
  background: var(--dark-light);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.platform-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,.3);
}
.platform-card .platform-icon { font-size: 3.5rem; margin-bottom: 18px; display: block; }
.platform-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.platform-card p { color: var(--gray); font-size: .93rem; margin-bottom: 24px; }

/* ===== BRANDS LIST ===== */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.brands-grid a {
  display: block;
  padding: 14px 18px;
  background: var(--dark-light);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  color: var(--white);
  font-weight: 500;
  font-size: .93rem;
  transition: all .2s;
}
.brands-grid a:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* ===== VIDEO EMBED ===== */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 14px;
  overflow: hidden;
  margin: 30px 0;
  border: 1px solid rgba(255,193,7,.15);
}
.video-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ===== FOOTER ===== */
.footer {
  background: #1a1d21;
  border-top: 1px solid rgba(255,193,7,.1);
}
.footer-upper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 60px 0 40px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--yellow);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--gray); font-size: .9rem; }
.footer-col a:hover { color: var(--yellow); }
.footer-col p { color: var(--gray); font-size: .88rem; line-height: 1.6; }

.footer-lower {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .84rem;
  color: var(--gray);
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-content { grid-template-columns: 1fr; gap: 30px; }
  .hero-card { max-width: 480px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-upper { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(33,37,41,.98);
    flex-direction: column;
    align-items: center;
    padding: 30px 0;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform .35s ease;
    border-bottom: 1px solid rgba(255,193,7,.15);
  }
  .nav.open { transform: translateY(0); }
  .burger { display: flex; }
  .hero { min-height: auto; padding: 40px 0; }
  .hero-text h1 { font-size: 1.7rem; }
  .section-title { font-size: 1.5rem; }
  .page-hero h1 { font-size: 1.5rem; }
  .footer-upper { grid-template-columns: 1fr; gap: 30px; }
  .footer-lower { flex-direction: column; text-align: center; }
  .platform-cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-card { padding: 28px 20px; }
  .section { padding: 50px 0; }
  .cards-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; gap: 20px; }
  .btn { padding: 12px 24px; font-size: .9rem; }
}