/* ==========================================================================
   AF4 Mobility — Design tokens
   ========================================================================== */
:root {
  --navy: #0B1F3A;
  --navy-hover: #142B4D;
  --navy-deep: #06152B;
  --orange: #FF6A00;
  --white: #FFFFFF;

  --bg-soft: #F7F8FA;
  --border: #E7EAEE;
  --border-soft: #ECEEF1;

  --text: #1F2733;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-body: #374151;

  --footer-text: #B8C0CC;
  --footer-muted: #7F8997;
  --footer-border: #172231;

  --radius-sm: 10px;
  --radius-md: 20px;
  --container: 1280px;

  --font-body: 'Inter', Arial, sans-serif;
  --font-heading: 'Montserrat', sans-serif;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; margin: 0; padding: 0; }

.section-heading {
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
}

.section-heading h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(26px, 3.5vw, 36px);
  color: var(--navy);
  text-transform: uppercase;
  margin: 0;
}

.divider {
  width: 48px;
  height: 3px;
  background: var(--orange);
  margin: 14px auto 18px;
  border-radius: 2px;
}

.section-heading p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 180ms ease;
}

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

.btn-light {
  background: var(--white);
  color: var(--navy);
}
.btn-light:hover { background: #E9EBEE; color: var(--navy); }

.link-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  font-size: 15px;
  font-weight: 600;
  transition: color 180ms ease;
}
.link-arrow:hover { color: var(--orange); }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 56px);
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text { line-height: 1.05; }

.logo-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: var(--navy);
  letter-spacing: -0.5px;
}
.logo-title span { color: var(--orange); }

.logo-subtitle {
  font-size: 9px;
  font-weight: 600;
  color: #8A93A0;
  letter-spacing: 1.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
  flex: 1;
  justify-content: center;
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 180ms ease;
}
.nav a:hover { color: var(--orange); }

.nav-cta { flex-shrink: 0; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 76px;
  z-index: 99;
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
  padding: 24px clamp(20px, 5vw, 56px);
}

.mobile-menu a { font-size: 16px; font-weight: 500; color: var(--text); }
.mobile-menu.open { display: flex; }

@media (max-width: 900px) {
  .nav, .nav-cta { display: none; }
  .menu-toggle { display: block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: linear-gradient(160deg, var(--bg-soft) 0%, var(--white) 55%);
  padding: clamp(48px, 8vw, 88px) clamp(20px, 5vw, 56px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-content { flex: 1 1 420px; min-width: 320px; }

.hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  color: var(--navy);
  margin: 0;
  text-transform: uppercase;
}
.hero-title span { color: var(--orange); }

.hero-text {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 420px;
  margin: 20px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
  margin-top: 32px;
}

.hero-image { flex: 1 1 420px; min-width: 320px; }

.hero-image img {
  width: 100%;
  aspect-ratio: 1.05 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(11, 31, 58, 0.10);
  background: #F0F1F3;
  object-fit: contain;
}

/* ==========================================================================
   Solutions / cards
   ========================================================================== */
.solutions {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 56px);
  max-width: var(--container);
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 200ms ease;
}
.card:hover { transform: translateY(-4px); }

.card-image {
  height: 520px;
  overflow: hidden;
  background: #F0F1F3;
}
.card-image img { width: 100%; height: 100%; object-fit: contain; }

.card-body { padding: 28px; }

.card-body h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  color: var(--navy);
  margin: 0;
}

.card-tag {
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
  margin: 10px 0 8px;
}

.card-divider {
  width: 32px;
  height: 2px;
  background: var(--border);
  margin-bottom: 14px;
}

.card-body > p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 20px;
}

.card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}

.card-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 100px;
  flex: 1 1 110px;
}
.card-features svg { margin-top: 2px; flex-shrink: 0; }

/* ==========================================================================
   About / why choose
   ========================================================================== */
.about {
  background: var(--bg-soft);
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 56px);
}

.about-inner { max-width: var(--container); margin: 0 auto; }

.about .section-heading { max-width: 720px; margin-bottom: 56px; }
.about .section-heading h2 { font-size: clamp(24px, 3.2vw, 32px); }

.about-text {
  color: var(--text-body);
  font-size: 17px;
  line-height: 1.7;
}

.why-title {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--navy);
  text-transform: uppercase;
  margin: 0 0 40px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.why-item svg { flex-shrink: 0; }
.why-item span {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}

/* ==========================================================================
   Final CTA
   ========================================================================== */
.cta-final-wrap {
  padding: clamp(40px, 6vw, 64px) clamp(20px, 5vw, 56px) clamp(56px, 8vw, 88px);
  max-width: var(--container);
  margin: 0 auto;
}

.cta-final {
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-final-content {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1 1 380px;
  min-width: 280px;
}

.cta-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-final-content h3 {
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  margin: 0;
  text-transform: uppercase;
  line-height: 1.25;
}

.cta-final-content p {
  color: var(--footer-text);
  font-size: 15px;
  margin: 8px 0 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--navy-deep);
  color: var(--footer-text);
  padding: clamp(48px, 7vw, 72px) clamp(20px, 5vw, 56px) 28px;
}

.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--white);
}
.footer-logo .accent { color: var(--orange); }

.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  max-width: 260px;
}

.footer-heading {
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}
.footer-links a { color: var(--footer-text); transition: color 180ms ease; }
.footer-links a:hover { color: var(--orange); }

.footer-contact-link {
  color: var(--footer-text);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 180ms ease;
}
.footer-contact-link:hover { color: var(--orange); }

.footer-bottom {
  max-width: var(--container);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--footer-border);
  font-size: 13px;
  color: var(--footer-muted);
}