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

:root {
  --red: #C62828;
  --red-dark: #8E0000;
  --red-light: #FF5F52;
  --green: #1A7B7E;
  --green-dark: #0D5C5E;
  --green-light: #4CA8AA;
  --gold: #F9A825;
  --gold-light: #FFD95A;
  --cream: #FFF8F0;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-500: #9E9E9E;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --black: #111111;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-wrap: break-word;
  -webkit-text-size-adjust: 100%;
}

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

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

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

h1, h2, h3, h4, h5 {
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 1.2;
  color: var(--gray-900);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent {
  color: var(--red);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198,40,40,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--red);
}

.btn-lg {
  font-size: 1.1rem;
  padding: 18px 40px;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-mark {
  height: 48px;
  width: auto;
}

.footer-logo .logo-mark {
  height: 44px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--red);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.nav-cta:hover {
  background: var(--red-dark);
  color: var(--white) !important;
}

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

.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a0000 0%, #3d0000 40%, #1a0000 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(198,40,40,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(249,168,37,0.1) 0%, transparent 50%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1574071318508-1cdbab80d002?w=1600&q=80') center/cover no-repeat;
  opacity: 0.2;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 0 100px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--gold-light);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.15;
}

.hero h1 .text-accent {
  color: var(--gold);
}

.hero-sub {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-micro-trust {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ===== PROOF BAR ===== */
.proof-bar {
  background: var(--gray-900);
  padding: 16px 0;
  border-bottom: 3px solid var(--red);
}

.proof-items {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 600;
}

.proof-icon {
  font-size: 1.1rem;
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--gray-700);
  max-width: 650px;
  margin: 0 auto;
}

/* ===== BENEFITS ===== */
.benefits {
  padding: 100px 0;
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.benefit-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--red);
}

.benefit-icon {
  width: 52px;
  height: 52px;
  color: var(--red);
  margin-bottom: 20px;
}

.benefit-icon svg {
  width: 100%;
  height: 100%;
}

.benefit-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
}

/* ===== SHOWCASE ===== */
.showcase {
  padding: 100px 0;
  background: var(--cream);
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-row-reverse {
  direction: rtl;
}

.showcase-row-reverse > * {
  direction: ltr;
}

.showcase-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.showcase-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.showcase-text p {
  font-size: 1.05rem;
  color: var(--gray-700);
  margin-bottom: 24px;
}

.check-list {
  list-style: none;
  margin-bottom: 28px;
}

.check-list li {
  padding: 6px 0;
  padding-left: 28px;
  position: relative;
  font-size: 0.95rem;
  color: var(--gray-800);
}

.check-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ===== MODELS ===== */
.models {
  padding: 100px 0;
  background: var(--white);
}

.model-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 28px;
  border: 2px solid var(--gray-300);
  background: var(--white);
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.tab-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.model-intro {
  text-align: center;
  margin-bottom: 40px;
}

.model-intro p {
  font-size: 1.05rem;
  color: var(--gray-700);
  max-width: 700px;
  margin: 0 auto;
}

.model-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.model-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  transition: all var(--transition);
}

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.model-card-featured {
  border: 2px solid var(--red);
  box-shadow: var(--shadow-md);
}

.model-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.model-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--red);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.model-card-body {
  padding: 24px;
}

.model-badge {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-700);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.model-badge.accent {
  background: rgba(198,40,40,0.1);
  color: var(--red);
}

.model-card-body h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.model-specs {
  margin-bottom: 20px;
}

.spec {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9rem;
}

.spec:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--gray-500);
  font-weight: 500;
}

.spec-value {
  font-weight: 700;
  color: var(--gray-900);
}

/* Model Table */
.model-table-wrapper {
  margin-top: 20px;
}

.model-table-wrapper h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 16px;
  text-align: center;
}

.model-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.model-table thead {
  background: var(--gray-900);
  color: var(--white);
}

.model-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}

.model-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
}

.model-table tbody tr:hover {
  background: var(--gray-50);
}

.row-highlight {
  background: rgba(198,40,40,0.04);
}

.model-cta-row {
  text-align: center;
  margin-top: 40px;
  padding: 40px;
  background: var(--cream);
  border-radius: var(--radius-lg);
}

.model-cta-row p {
  font-size: 1.1rem;
  color: var(--gray-700);
  margin-bottom: 20px;
}

/* Fuel Grid */
.fuel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.fuel-card {
  padding: 32px 24px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition);
}

.fuel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--red);
}

.fuel-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.fuel-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.fuel-power {
  font-size: 0.85rem;
  color: var(--red);
  font-weight: 600;
  margin-bottom: 12px;
}

.fuel-card p:last-child {
  font-size: 0.9rem;
  color: var(--gray-700);
}

/* Finishes Grid */
.finishes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.finish-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.finish-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.finish-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.finish-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  padding: 16px 16px 8px;
}

.finish-card p {
  font-size: 0.85rem;
  color: var(--gray-700);
  padding: 0 16px 16px;
}

/* ===== SMART TECH ===== */
.smart-tech {
  padding: 100px 0;
  background: var(--gray-900);
  color: var(--white);
}

.smart-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.smart-text h2 {
  color: var(--white);
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.smart-text h2 .text-accent {
  color: var(--gold);
}

.smart-text > p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.smart-features {
  display: grid;
  gap: 24px;
}

.smart-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.sf-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}

.smart-feature strong {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--white);
}

.smart-feature p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

.smart-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 450px;
  object-fit: cover;
}

/* ===== SOCIAL PROOF SECTION ===== */
.proof {
  padding: 100px 0;
  background: var(--gray-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.proof::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198,40,40,0.15), transparent 70%);
  pointer-events: none;
}

.proof .section-header {
  margin-bottom: 48px;
}

.proof .section-label {
  display: inline-block;
  color: var(--gold-light);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.proof .section-title {
  color: var(--white);
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.proof .section-subtitle {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.proof-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.proof-testimonial {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
}

.proof-testimonial:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-3px);
}

.proof-testimonial::before {
  content: '\201C';
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 4rem;
  color: var(--red);
  line-height: 1;
  position: absolute;
  top: 20px;
  left: 24px;
  opacity: 0.5;
}

.proof-stars {
  color: var(--gold-light);
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: 3px;
}

.proof-testimonial p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
  padding-top: 24px;
}

.proof-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.proof-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--white);
  flex-shrink: 0;
}

.proof-info strong {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
}

.proof-info span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.proof-result {
  background: rgba(26,123,126,0.15);
  color: #4CA8AA;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 16px;
}

.proof-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.proof-stat-item {
  text-align: center;
}

.proof-stat-item strong {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 900;
  color: var(--gold-light);
  margin-bottom: 4px;
}

.proof-stat-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== FAQ ===== */
.faq {
  padding: 100px 0;
  background: var(--white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--red);
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--red);
  flex-shrink: 0;
  transition: transform var(--transition);
  width: 24px;
  text-align: center;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 100px 0;
  background: var(--cream);
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.cta-text h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.cta-text > p {
  font-size: 1.05rem;
  color: var(--gray-700);
  margin-bottom: 28px;
}

.cta-promises {
  list-style: none;
  margin-bottom: 36px;
}

.cta-promises li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  font-size: 1rem;
  color: var(--gray-800);
  font-weight: 500;
}

.cta-promises li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
}

.cta-contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
}

.contact-item span {
  font-size: 1.2rem;
}

.contact-item a {
  color: var(--gray-900);
}

.contact-item a:hover {
  color: var(--red);
}

/* Lead Form */
.cta-form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  border: 1px solid var(--gray-200);
}

.lead-form h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem;
  margin-bottom: 8px;
  text-align: center;
}

.form-subtitle {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(198,40,40,0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: var(--red-light);
  box-shadow: 0 0 0 3px rgba(198,40,40,0.1);
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--red);
  margin-top: 4px;
  min-height: 18px;
}

.form-privacy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 14px;
}

/* Form Success */
.form-success {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  margin: 0 auto 24px;
}

.form-success h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--green);
}

.form-success p {
  font-size: 1.05rem;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.success-sub {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-contact {
  margin-top: 20px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.9rem;
}

.footer-contact a {
  color: rgba(255,255,255,0.7);
}

.footer-contact a:hover {
  color: var(--white);
}

.footer-links-col h4 {
  font-family: 'Inter', sans-serif;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-weight: 700;
}

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

.footer-links-col li {
  margin-bottom: 10px;
}

.footer-links-col a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.cert-list li {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-trust {
  display: flex;
  gap: 8px;
}

.trust-badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ===== RESPONSIVE ===== */

/* --- Tablet landscape / small desktop --- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

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

  .smart-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .smart-image {
    order: -1;
  }

  .smart-image img {
    height: 340px;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .showcase-row,
  .showcase-row-reverse {
    gap: 40px;
  }

  .showcase-image img {
    height: 340px;
  }

  /* Reduce section padding on tablets */
  .benefits,
  .showcase,
  .models,
  .smart-tech,
  .proof,
  .faq,
  .cta-section {
    padding: 80px 0;
  }
}

/* --- Tablet portrait / large phones --- */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  /* Mobile tap improvements */
  a, button, input, select, textarea {
    -webkit-tap-highlight-color: transparent;
  }

  /* --- Navigation --- */
  .nav-container {
    height: 60px;
  }

  .logo-mark {
    height: 40px;
    max-width: calc(100vw - 100px);
    width: auto;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-200);
    z-index: 999;
  }

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

  .nav-links li {
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-links li:last-child {
    border-bottom: none;
    padding-top: 12px;
  }

  .nav-links a {
    display: block;
    padding: 14px 0;
    font-size: 1rem;
  }

  .nav-cta {
    display: block !important;
    text-align: center;
    padding: 14px 24px !important;
    border-radius: var(--radius-sm) !important;
  }

  .nav-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  /* --- Hero --- */
  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 56px 16px 64px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 16px;
    margin-bottom: 24px;
  }

  .hero h1 {
    font-size: 1.85rem;
    margin-bottom: 16px;
  }

  .hero-sub {
    font-size: 1rem;
    margin-bottom: 32px;
    line-height: 1.6;
  }

  .hero-stats {
    gap: 20px;
    margin-bottom: 32px;
  }

  .stat-num {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 24px;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .hero-micro-trust {
    font-size: 0.7rem;
  }

  /* --- Proof Bar --- */
  .proof-bar {
    padding: 12px 0;
  }

  .proof-items {
    gap: 8px 16px;
    justify-content: center;
    padding: 0 8px;
  }

  .proof-item {
    font-size: 0.75rem;
    gap: 5px;
  }

  .proof-icon {
    font-size: 0.9rem;
  }

  /* --- Section headers --- */
  .section-header {
    margin-bottom: 36px;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .section-header p {
    font-size: 1rem;
  }

  /* --- Reduce section padding on mobile --- */
  .benefits,
  .showcase,
  .models,
  .smart-tech,
  .proof,
  .faq,
  .cta-section {
    padding: 56px 0;
  }

  /* --- Benefits --- */
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .benefit-card {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
  }

  .benefit-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
  }

  .benefit-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
  }

  .benefit-card p {
    font-size: 0.9rem;
  }

  /* --- Showcase --- */
  .showcase-row,
  .showcase-row-reverse {
    grid-template-columns: 1fr;
    gap: 24px;
    direction: ltr;
    margin-bottom: 48px;
  }

  .showcase-image img {
    height: 220px;
    border-radius: var(--radius-md);
  }

  .showcase-text h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }

  .showcase-text p {
    font-size: 0.95rem;
    margin-bottom: 16px;
  }

  .check-list {
    margin-bottom: 20px;
  }

  .check-list li {
    font-size: 0.9rem;
    padding: 4px 0;
    padding-left: 24px;
  }

  /* --- Models / Tabs --- */
  .model-tabs {
    gap: 6px;
    margin-bottom: 32px;
  }

  .tab-btn {
    padding: 10px 18px;
    font-size: 0.85rem;
  }

  .model-intro p {
    font-size: 0.95rem;
  }

  .model-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .model-card-img {
    height: 180px;
  }

  .model-card-body {
    padding: 20px;
  }

  .model-card-body h3 {
    font-size: 1.1rem;
  }

  .spec {
    font-size: 0.85rem;
    padding: 7px 0;
  }

  /* Horizontal scroll for tables on mobile */
  .model-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 20px -24px 0;
    padding: 0 24px;
  }

  .model-table {
    font-size: 0.8rem;
    min-width: 500px;
  }

  .model-table th,
  .model-table td {
    padding: 10px 8px;
    white-space: nowrap;
  }

  .model-cta-row {
    padding: 28px 20px;
    margin-top: 28px;
  }

  .model-cta-row p {
    font-size: 0.95rem;
  }

  .fuel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .fuel-card {
    padding: 20px 16px;
  }

  .fuel-icon {
    font-size: 2rem;
    margin-bottom: 10px;
  }

  .fuel-card h3 {
    font-size: 0.95rem;
  }

  .fuel-power {
    font-size: 0.8rem;
  }

  .fuel-card p:last-child {
    font-size: 0.82rem;
  }

  .finishes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .finish-card img {
    height: 140px;
  }

  .finish-card h3 {
    font-size: 0.9rem;
    padding: 12px 12px 6px;
  }

  .finish-card p {
    font-size: 0.8rem;
    padding: 0 12px 12px;
  }

  /* --- Smart Tech --- */
  .smart-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .smart-image {
    order: -1;
  }

  .smart-image img {
    height: 240px;
  }

  .smart-text h2 {
    font-size: 1.6rem;
    margin-bottom: 12px;
  }

  .smart-text > p {
    font-size: 0.95rem;
    margin-bottom: 28px;
  }

  .smart-features {
    gap: 18px;
  }

  .sf-icon {
    font-size: 1.3rem;
    width: 32px;
  }

  .smart-feature strong {
    font-size: 0.92rem;
  }

  .smart-feature p {
    font-size: 0.85rem;
  }

  /* --- Social Proof / Testimonials --- */
  .proof .section-header {
    margin-bottom: 32px;
  }

  .proof .section-title {
    font-size: 1.6rem;
  }

  .proof .section-subtitle {
    font-size: 0.95rem;
  }

  .proof-testimonials {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .proof-testimonial {
    padding: 24px 20px;
  }

  .proof-testimonial::before {
    font-size: 3rem;
    top: 14px;
    left: 18px;
  }

  .proof-testimonial p {
    font-size: 0.9rem;
    padding-top: 18px;
    margin-bottom: 16px;
  }

  .proof-result {
    font-size: 0.8rem;
    padding: 6px 12px;
  }

  .proof-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 36px;
    padding-top: 32px;
  }

  .proof-stat-item span {
    font-size: 0.75rem;
  }

  /* --- FAQ --- */
  .faq-question {
    padding: 18px 0;
    font-size: 0.95rem;
    min-height: 56px;
    gap: 12px;
  }

  .faq-toggle {
    font-size: 1.3rem;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .faq-answer p {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .faq-item.active .faq-answer {
    padding-bottom: 18px;
  }

  /* --- CTA / Form --- */
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-text h2 {
    font-size: 1.6rem;
    margin-bottom: 12px;
  }

  .cta-text > p {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .cta-promises {
    margin-bottom: 24px;
  }

  .cta-promises li {
    font-size: 0.92rem;
    padding: 6px 0;
    padding-left: 24px;
  }

  .cta-form-wrap {
    padding: 24px 20px;
  }

  .lead-form h3 {
    font-size: 1.2rem;
  }

  .form-subtitle {
    font-size: 0.85rem;
    margin-bottom: 24px;
  }

  .form-group {
    margin-bottom: 14px;
  }

  .form-group label {
    font-size: 0.85rem;
    margin-bottom: 5px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px 14px;
    font-size: 1rem;
    min-height: 48px;
  }

  .form-group select {
    min-height: 48px;
  }

  .form-group textarea {
    min-height: auto;
  }

  .btn-block.btn-lg {
    padding: 16px 24px;
    font-size: 1rem;
    min-height: 52px;
  }

  .form-privacy {
    font-size: 0.75rem;
  }

  /* --- Footer --- */
  .footer {
    padding: 48px 0 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }

  .footer-logo .logo-mark {
    height: 36px;
    max-width: 100%;
    width: auto;
  }

  .footer-brand p {
    font-size: 0.85rem;
    margin-top: 12px;
  }

  .footer-contact {
    margin-top: 16px;
  }

  .footer-contact p {
    font-size: 0.85rem;
  }

  .footer-contact a {
    word-break: break-all;
  }

  .footer-links-col h4 {
    font-size: 0.9rem;
    margin-bottom: 12px;
  }

  .footer-links-col a {
    font-size: 0.85rem;
  }

  .footer-links-col li {
    margin-bottom: 8px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
    gap: 12px;
  }

  .footer-bottom p {
    font-size: 0.72rem;
  }

  .trust-badge {
    font-size: 0.7rem;
    padding: 3px 10px;
  }
}

/* --- Small phones --- */
@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  /* --- Hero --- */
  .hero-content {
    padding: 40px 8px 48px;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 5px 14px;
    margin-bottom: 20px;
  }

  .hero h1 {
    font-size: 1.55rem;
    margin-bottom: 14px;
  }

  .hero-sub {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
  }

  .stat {
    flex-direction: row;
    gap: 10px;
  }

  .stat-num {
    font-size: 1.7rem;
  }

  .stat-label {
    font-size: 0.75rem;
    text-align: left;
  }

  .hero-ctas .btn {
    font-size: 0.95rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 0.95rem;
  }

  /* --- Proof Bar --- */
  .proof-bar {
    padding: 10px 0;
  }

  .proof-items {
    flex-direction: column;
    gap: 6px;
    align-items: center;
    padding: 0 12px;
  }

  .proof-item {
    font-size: 0.72rem;
  }

  /* --- Section padding --- */
  .benefits,
  .showcase,
  .models,
  .smart-tech,
  .proof,
  .faq,
  .cta-section {
    padding: 44px 0;
  }

  .section-header {
    margin-bottom: 28px;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }

  .section-header p {
    font-size: 0.9rem;
  }

  /* --- Benefits --- */
  .benefit-card {
    padding: 20px;
  }

  .benefit-icon {
    width: 38px;
    height: 38px;
    margin-bottom: 12px;
  }

  /* --- Showcase --- */
  .showcase-row,
  .showcase-row-reverse {
    gap: 20px;
    margin-bottom: 36px;
  }

  .showcase-image img {
    height: 180px;
  }

  .showcase-text h2 {
    font-size: 1.35rem;
  }

  /* --- Tabs --- */
  .model-tabs {
    gap: 5px;
    margin-bottom: 24px;
  }

  .tab-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .model-card-img {
    height: 160px;
  }

  .model-card-body {
    padding: 16px;
  }

  /* Table horizontal scroll with edge hint */
  .model-table-wrapper {
    margin: 16px -20px 0;
    padding: 0 20px;
  }

  .model-cta-row {
    padding: 24px 20px;
  }

  /* --- Fuel & Finishes --- */
  .fuel-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .fuel-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    text-align: left;
    padding: 16px;
  }

  .fuel-icon {
    font-size: 1.8rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .finishes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .finish-card img {
    height: 110px;
  }

  /* --- Smart Tech --- */
  .smart-image img {
    height: 200px;
  }

  .smart-text h2 {
    font-size: 1.4rem;
  }

  .smart-features {
    gap: 16px;
  }

  /* --- Testimonials --- */
  .proof .section-title {
    font-size: 1.4rem;
  }

  .proof .section-subtitle {
    font-size: 0.88rem;
  }

  .proof-testimonial {
    padding: 20px;
  }

  .proof-stats-grid {
    gap: 16px;
    margin-top: 28px;
    padding-top: 24px;
  }

  /* --- FAQ --- */
  .faq-question {
    font-size: 0.9rem;
    padding: 16px 0;
  }

  .faq-answer p {
    font-size: 0.85rem;
  }

  /* --- CTA / Form --- */
  .cta-text h2 {
    font-size: 1.4rem;
  }

  .cta-form-wrap {
    padding: 24px 20px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 11px 14px;
  }

  /* --- Footer --- */
  .footer {
    padding: 36px 0 0;
  }

  .footer-grid {
    gap: 24px;
    padding-bottom: 24px;
  }

  .footer-logo .logo-mark {
    height: 32px;
    max-width: 100%;
  }

  .footer-trust {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* --- Very small phones (320px) --- */
@media (max-width: 360px) {
  .container {
    padding: 0 16px;
  }

  .hero-content {
    padding: 36px 4px 44px;
  }

  .hero h1 {
    font-size: 1.35rem;
  }

  .hero-sub {
    font-size: 0.85rem;
  }

  .hero-badge {
    font-size: 0.65rem;
    padding: 4px 12px;
  }

  .section-header h2 {
    font-size: 1.25rem;
  }

  .tab-btn {
    padding: 7px 12px;
    font-size: 0.75rem;
  }

  .model-table-wrapper {
    margin: 16px -16px 0;
    padding: 0 16px;
  }

  .benefit-card {
    padding: 18px 16px;
  }

  .proof-testimonial {
    padding: 18px 16px;
  }

  .cta-form-wrap {
    padding: 20px 16px;
  }

  .model-cta-row {
    padding: 20px 16px;
  }

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

  .proof-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-logo .logo-mark {
    height: 28px;
  }

  .logo-mark {
    max-width: calc(100vw - 80px);
  }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-500);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-700);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}