/* ==========================================================================
   VanGo Fleet Services - Responsive Stylesheet
   Mobile-first base lives in style.css. Breakpoints here scale layout up.
   Breakpoints: 576 (large mobile), 768 (tablet), 992 (laptop), 1200 (desktop)
   ========================================================================== */

/* ---------- Base / Mobile (<576px) already handled by defaults below ---------- */
section {
  padding: 50px 0;
}

.hero-content h1 {
  font-size: 34px;
  letter-spacing: -0.5px;
}

.hero-content h1 .line-accent {
  font-size: 50px;
  letter-spacing: -1px;
}

h2 {
  font-size: 28px;
}

.main-nav,
.header-cta .btn-primary {
  display: none;
}

.nav-toggle {
  display: flex;
}

.header-cta {
  gap: 12px;
}

.main-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 40px 24px;
  gap: 28px;
  transform: translateX(100%);
  transition: transform var(--transition-base), top var(--transition-base);
  z-index: 999;
}

.site-header.is-scrolled .main-nav {
  top: var(--header-height-shrunk);
}

.main-nav.is-open {
  display: flex;
  transform: translateX(0);
}

.main-nav a {
  font-size: 20px;
}

.nav-call-cta {
  width: 100%;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  padding: 16px 20px;
  font-size: 16px;
}

.nav-call-cta i {
  font-size: 18px;
}

.feature-grid,
.industries-grid,
.stats-grid,
.choose-grid,
.footer-grid {
  grid-template-columns: 1fr;
  gap: 28px;
}

.feature-item,
.stat-item {
  border-left: none;
  padding-left: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
}

.feature-item:first-child,
.stat-item:first-child {
  border-top: none;
  padding-top: 0;
}

.split-grid,
.story-grid {
  grid-template-columns: 1fr;
}

.split-image {
  min-height: 260px;
}

.split-content {
  padding: 40px 24px;
}

.cta-banner-inner {
  flex-direction: column;
  text-align: center;
}

.cta-right {
  text-align: center;
  padding-left: 0;
  padding-top: 20px;
  border-left: none;
  border-top: 2px solid rgba(255, 255, 255, 0.35);
  width: 100%;
}

.form-row {
  grid-template-columns: 1fr;
}

.request-form {
  padding: 28px;
}

.footer-bottom {
  flex-direction: column;
  text-align: center;
}

/* ---------- Large Mobile (>=576px) ---------- */
@media (min-width: 576px) {
  .hero-content h1 {
    font-size: 44px;
    letter-spacing: -0.5px;
  }

  .hero-content h1 .line-accent {
    font-size: 64px;
    letter-spacing: -1px;
  }

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

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* ---------- Tablet (>=768px) ---------- */
@media (min-width: 768px) {
  section {
    padding: 70px 0;
  }

  h1 {
    font-size: 60px;
  }

  h2 {
    font-size: 36px;
  }

  .hero-content h1 {
    font-size: 52px;
    letter-spacing: -0.75px;
  }

  .hero-content h1 .line-accent {
    font-size: 76px;
    letter-spacing: -1.5px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .feature-item {
    border-top: none;
    padding-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    padding-left: 20px;
  }

  .feature-item:nth-child(odd) {
    border-left: none;
    padding-left: 0;
  }

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

  .stat-item {
    border-top: none;
    padding-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
  }

  .stat-item:first-child {
    border-left: none;
  }

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

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

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

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

/* ---------- Laptop (>=992px) ---------- */
@media (min-width: 992px) {
  .main-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: 40px;
    transform: none;
    background: none;
  }

  .header-cta .btn-primary {
    display: inline-flex;
  }

  .nav-call-cta {
    display: none;
  }

  .nav-toggle {
    display: none;
  }

  .hero-content h1 {
    font-size: 60px;
    letter-spacing: -1px;
  }

  .hero-content h1 .line-accent {
    font-size: 88px;
    letter-spacing: -1.5px;
  }

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

  .feature-item {
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    padding-left: 20px;
  }

  .feature-item:first-child {
    border-left: none;
    padding-left: 0;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }

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

  .split-image {
    min-height: 480px;
  }
}

/* ---------- Desktop (>=1200px) ---------- */
@media (min-width: 1200px) {
  section {
    padding: 100px 0;
  }

  .hero-content h1 {
    font-size: 64px;
    letter-spacing: -1px;
  }

  .hero-content h1 .line-accent {
    font-size: 96px;
    letter-spacing: -2px;
  }
}

/* ---------- Reduced width safety net ---------- */
@media (max-width: 380px) {
  .hero-content h1 {
    font-size: 30px;
    letter-spacing: -0.5px;
  }

  .hero-content h1 .line-accent {
    font-size: 44px;
    letter-spacing: -1px;
  }

  .request-form {
    padding: 20px;
  }
}