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

:root {
  --red: #e6392b;
  --red-dark: #c6281f;
  --ink: #1a1a1a;
  --muted: #666;
  --bg: #fff9f7;
  --white: #ffffff;
  --card-bg: #ffffff;
  --border: #f0d5cf;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

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

a {
  color: var(--red);
  text-decoration: none;
  transition: color 0.2s;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== TOP BAR ========== */
.top-bar {
  background: #111;
  color: #fff;
  font-size: 14px;
  padding: 10px 0;
}

.top-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.top-bar a {
  color: #fff;
  font-weight: 500;
}

.top-bar a:hover {
  color: #ffb199;
}

.offer {
  background: var(--red);
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
}

/* ========== HEADER ========== */
.header {
  background: var(--white);
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 20px;
}

.logo img {
  height: 52px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--red);
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 28px;
  position: relative;
  z-index: 110;
}

.menu-btn span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.menu-btn span:nth-child(1) { top: 0; }
.menu-btn span:nth-child(2) { top: 12px; }
.menu-btn span:nth-child(3) { top: 24px; }

.menu-btn.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 12px;
}
.menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 12px;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 480px;
  background: #1a0c09 url('images/billo.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 20px;
  max-width: 700px;
}

.hero-sub {
  color: #ffb199;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.25;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero-desc {
  font-size: 17px;
  opacity: 0.9;
  margin-bottom: 28px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.btn-primary {
  background: var(--red);
  color: #fff;
}

.btn-primary:hover {
  background: var(--red-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1da851;
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  background: var(--red);
  color: #fff;
  border-radius: 6px;
}

.btn-sm:hover {
  background: var(--red-dark);
  color: #fff;
}

/* ========== SECTIONS ========== */
.section {
  padding: 50px 0;
}

.section h2 {
  font-size: clamp(24px, 4vw, 32px);
  margin-bottom: 12px;
  color: var(--ink);
  text-align: center;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 36px;
  font-size: 15px;
}

/* ========== INTRO ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 30px;
}

.intro-text p {
  margin-bottom: 16px;
  color: #333;
}

.intro-text .btn {
  margin-top: 10px;
}

.intro-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

/* ========== MODELS GRID ========== */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.model-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.25s, box-shadow 0.25s;
}

.model-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.model-img {
  height: 280px;
  overflow: hidden;
}

.model-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.model-card:hover .model-img img {
  transform: scale(1.05);
}

.model-info {
  padding: 20px;
}

.model-info h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.tag {
  display: inline-block;
  background: #fff0ed;
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.model-info p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ========== FEATURES ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.feature-card {
  background: var(--white);
  padding: 28px 22px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.25s;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: #fff0ed;
  color: var(--red);
  font-size: 24px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.feature-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
}

/* ========== CONTENT BLOCK ========== */
.content-block h2,
.content-block h3 {
  text-align: left;
  margin-bottom: 16px;
}

.content-block p {
  margin-bottom: 16px;
  color: #333;
}

.content-img {
  margin: 30px 0;
}

.content-img img {
  border-radius: var(--radius);
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.content-img figcaption {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 10px;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  background: linear-gradient(135deg, #1a0c09, #3d1a12);
  color: #fff;
  padding: 50px 20px;
  text-align: center;
  border-radius: var(--radius);
  margin: 20px 0 40px;
}

.cta-content h2 {
  color: #fff;
  margin-bottom: 10px;
}

.cta-content p {
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ========== LOCATIONS ========== */
.locations-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.locations-list span {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

/* ========== FAQ ========== */
.faq details {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  padding: 4px 18px;
  transition: box-shadow 0.2s;
}

.faq details[open] {
  box-shadow: var(--shadow);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 16px 0;
  list-style: none;
  position: relative;
  padding-right: 30px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--red);
  font-weight: 400;
}

.faq details[open] summary::after {
  content: '−';
}

.faq details p {
  padding-bottom: 18px;
  color: #444;
  font-size: 15px;
}

/* ========== FOOTER ========== */
.footer {
  background: #111;
  color: #fff;
  padding: 50px 0 30px;
  margin-top: 40px;
}

.footer-top {
  text-align: center;
  margin-bottom: 30px;
}

.footer-top h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.footer-top p {
  color: #aaa;
  font-size: 15px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
  margin-bottom: 30px;
}

.footer-links a {
  color: #ffb199;
  font-size: 14px;
  font-weight: 500;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #333;
  padding-top: 24px;
}

.footer-bottom p {
  color: #888;
  font-size: 13px;
  margin-bottom: 6px;
}

.disclaimer {
  font-size: 12px !important;
  color: #666 !important;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .intro-img {
    order: -1;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    border-bottom: 3px solid var(--red);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 14px 10px;
    border-bottom: 1px solid #f0f0f0;
    width: 100%;
    text-align: center;
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .hero {
    min-height: 400px;
  }

  .hero-content {
    padding: 40px 20px;
    text-align: center;
  }

  .hero-btns {
    justify-content: center;
  }

  .section {
    padding: 40px 0;
  }

  .models-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

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

@media (max-width: 480px) {
  .top-bar-inner {
    gap: 10px;
    font-size: 13px;
  }

  .logo img {
    height: 44px;
  }

  .hero {
    min-height: 360px;
  }

  .btn {
    padding: 11px 20px;
    font-size: 14px;
  }
}