:root {
  --primary: #0a3d62;
  --primary-dark: #072b45;
  --secondary: #eaf4ff;
  --white: #ffffff;
  --text: #1f2d3d;
  --muted: #66788a;
  --border: #d8e6f3;
  --success: #1ea672;
  --shadow: 0 12px 35px rgba(10, 61, 98, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #f8fbff;
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(216, 230, 243, 0.8);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 18px;
}

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

.brand-logo {
  width: 54px;
  height: 54px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 0.76rem;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  color: var(--text);
  font-weight: 600;
  position: relative;
}

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

.main-nav a.active::after,
.main-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.menu-toggle {
  display: none;
  background: var(--secondary);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 1.35rem;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.hero,
.page-hero {
  background: linear-gradient(135deg, #ffffff 0%, #eef7ff 50%, #e5f1fb 100%);
}

.hero {
  padding: 72px 0;
}

.page-hero {
  padding: 56px 0;
  border-bottom: 1px solid rgba(216, 230, 243, 0.7);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.hero-content h1,
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  color: var(--primary-dark);
  margin: 10px 0 16px;
}

.hero-content p,
.page-hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 700px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  background: rgba(10, 61, 98, 0.08);
  padding: 6px 10px;
  border-radius: 999px;
}

.hero-actions,
.cta-actions,
.distributor-actions,
.form-actions,
.section-space {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}

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

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

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

.btn-secondary:hover,
.btn-outline:hover {
  background: var(--secondary);
}

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

.hero-visual {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tyre-ring {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background:
    repeating-conic-gradient(
      from 0deg,
      #0a3d62 0deg 10deg,
      #173f63 10deg 18deg
    );
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px rgba(10, 61, 98, 0.2);
  animation: rotateTyre 16s linear infinite;
}

.tyre-inner {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffffff 0%, #dbeeff 65%, #c7def1 100%);
  border: 10px solid #f5fbff;
  box-shadow: inset 0 0 20px rgba(10, 61, 98, 0.08);
}

.road-line {
  position: absolute;
  height: 8px;
  background: rgba(10, 61, 98, 0.12);
  border-radius: 999px;
}

.road-line-1 {
  width: 260px;
  bottom: 78px;
  left: 10%;
}

.road-line-2 {
  width: 180px;
  bottom: 58px;
  right: 12%;
}

@keyframes rotateTyre {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: #f1f8ff;
}

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

.section-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 10px 0 8px;
  color: var(--primary-dark);
}

.section-head p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 22px;
}

.card-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

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

.card,
.cta-box,
.distributor-banner,
.thankyou-box {
  background: var(--white);
  border: 1px solid rgba(216, 230, 243, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.card h3 {
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
}

.feature-card {
  min-height: 220px;
}

.product-card .toggle-panel {
  display: none;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.product-card .toggle-panel.active {
  display: block;
}

.toggle-panel ul {
  list-style: disc;
  padding-left: 18px;
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  font-weight: 700;
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.market-item {
  padding: 22px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  box-shadow: var(--shadow);
}

.distributor-banner,
.cta-box {
  padding: 32px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.check-list {
  margin-top: 14px;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 800;
}

.link-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.link-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(10, 61, 98, 0.12);
}

.two-col,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-list li {
  margin-bottom: 12px;
  color: var(--muted);
}

.contact-form {
  margin-top: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-row:has(select),
.form-row:has(textarea) {
  grid-template-columns: 1fr;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  outline: none;
  font-size: 0.98rem;
  background: #fbfdff;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: #8fbbe0;
  box-shadow: 0 0 0 4px rgba(10, 61, 98, 0.08);
}

.form-note {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  margin-top: 24px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border: 1px solid #e6eef7;
  text-align: left;
  font-size: 0.95rem;
}

.spec-table th {
  background: #f0f7ff;
  color: var(--primary-dark);
}

.site-footer {
  background: #0b2940;
  color: #d9e7f4;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 1fr;
  gap: 24px;
  padding: 42px 0 20px;
}

.footer-brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.footer-logo {
  width: 48px;
  height: 48px;
}

.site-footer h4 {
  color: #ffffff;
  margin-bottom: 12px;
}

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

.footer-links a,
.site-footer a {
  color: #d9e7f4;
}

.footer-links a:hover,
.site-footer a:hover {
  color: #ffffff;
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0 24px;
  text-align: center;
  color: #bcd0e2;
}

.floating-actions {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}

.float-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
}

.float-inquiry { background: var(--primary); }
.float-email { background: #0d5f97; }
.float-whatsapp { background: #25d366; }

.thankyou-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f8fbff 0%, #eef7ff 100%);
  padding: 24px;
}

.thankyou-box {
  max-width: 720px;
  width: 100%;
  text-align: center;
  padding: 42px 28px;
}

.thankyou-logo {
  width: 86px;
  margin: 0 auto 16px;
}

.thankyou-box h1 {
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.thankyou-box p {
  color: var(--muted);
}

@media (max-width: 1024px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .card-grid.three { grid-template-columns: repeat(2, 1fr); }
  .market-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    display: none;
    padding: 10px 16px 16px;
  }

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

  .main-nav a {
    width: 100%;
    padding: 12px 4px;
    border-bottom: 1px solid #f1f6fb;
  }

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

  .main-nav a.active::after,
  .main-nav a:hover::after {
    display: none;
  }

  .hero-grid,
  .distributor-banner,
  .cta-box,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 0;
  }

  .hero-visual {
    min-height: 260px;
  }

  .tyre-ring {
    width: 200px;
    height: 200px;
  }

  .tyre-inner {
    width: 100px;
    height: 100px;
  }

  .road-line-1 { width: 180px; }
  .road-line-2 { width: 120px; }
}

@media (max-width: 640px) {
  .card-grid.four,
  .card-grid.three,
  .card-grid.two,
  .market-grid,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .brand-sub {
    display: none;
  }

  .brand-logo {
    width: 46px;
    height: 46px;
  }

  .section,
  .page-hero {
    padding: 48px 0;
  }

  .floating-actions {
    right: 12px;
    bottom: 12px;
  }

  .float-btn {
    width: 52px;
    height: 52px;
    font-size: 0.72rem;
  }
}