/* ============================================================
   ASA Transport — styles.css
   Shared stylesheet for all pages.
   Primary palette: blues + white + dark gray.
   ============================================================ */

/* ----- Reset & Base ----- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue-dark:    #0d2b4e;
  --blue-mid:     #1a4d8f;
  --blue-light:   #2e78d2;
  --blue-accent:  #4a9fd4;
  --white:        #ffffff;
  --gray-50:      #f7f8fa;
  --gray-100:     #eef0f4;
  --gray-200:     #d8dce5;
  --gray-600:     #5a6278;
  --gray-900:     #1a1d27;
  --text-primary: #1a1d27;
  --text-muted:   #5a6278;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
               Roboto, Helvetica, Arial, sans-serif;
  --radius:    6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.12), 0 2px 6px rgba(0,0,0,.08);
  --transition: 200ms ease;

  --container: 1160px;
  --gap:        2rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: var(--blue-light); text-decoration: none; }
a:hover { text-decoration: underline; }
ul  { list-style: none; }

/* ----- Layout Helpers ----- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: 5rem;
}

.section--alt {
  background: var(--gray-50);
}

/* ----- Typography ----- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--blue-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: .5rem; }

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header .lead {
  margin-inline: auto;
}

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-light);
  color: var(--white);
  border-color: var(--blue-light);
}
.btn-primary:hover {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--blue-dark);
  text-decoration: none;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 1px 6px rgba(0,0,0,.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 70px;
  width: auto;
}



/* Desktop nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.site-nav a {
  color: var(--gray-600);
  font-weight: 500;
  font-size: .95rem;
  padding: .4rem .85rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover {
  color: var(--blue-dark);
  background: var(--gray-100);
  text-decoration: none;
}

.site-nav a.active {
  color: var(--blue-light);
  background: var(--gray-50);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--gray-100); }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Open state */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--blue-dark);
  color: var(--gray-200);
  padding-block: 2.5rem;
  font-size: .875rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  color: var(--gray-600);
  font-size: .8rem;
}

.footer-meta span { color: var(--gray-200); }

.footer-copy {
  color: var(--gray-600);
  font-size: .8rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--blue-dark);
  color: var(--white);
  overflow: hidden;
  min-height: 580px;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: .22;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(13,43,78,.92) 40%,
    rgba(13,43,78,.45) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 6rem;
  max-width: 640px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero .lead {
  color: rgba(255,255,255,.8);
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
   HIGHLIGHT CARDS (Home)
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-dark);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--blue-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 { color: var(--blue-dark); margin-bottom: .5rem; }
.card p  { color: var(--text-muted); font-size: .95rem; }

/* ============================================================
   INTRO SPLIT (Home)
   ============================================================ */
.intro-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-split img {
  border-radius: calc(var(--radius) * 2);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/3;
}

.intro-text h2 { margin-bottom: 1rem; }
.intro-text p  { color: var(--text-muted); margin-bottom: 1rem; }
.intro-text .btn { margin-top: .5rem; }

/* ============================================================
   SERVICES
   ============================================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: calc(var(--radius) * 1.5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.service-item:hover { box-shadow: var(--shadow-md); }

.service-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--blue-dark);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--blue-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-body h3 { color: var(--blue-dark); }
.service-body p  { color: var(--text-muted); font-size: .95rem; margin-top: .35rem; }

/* Service note banner */
.service-note {
  background: var(--blue-dark);
  color: rgba(255,255,255,.85);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: .9rem;
  margin-top: 3rem;
}

.service-note strong { color: var(--blue-accent); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-intro img {
  border-radius: calc(var(--radius) * 2);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 3/4;
}

.about-text h2 { margin-bottom: 1rem; }
.about-text p  { color: var(--text-muted); margin-bottom: 1rem; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.value-item h4 {
  color: var(--blue-dark);
  font-size: 1rem;
  margin-bottom: .4rem;
}

.value-item p {
  font-size: .9rem;
  color: var(--text-muted);
}

/* Why section stats */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2.5rem;
}

.stat-block { text-align: center; flex: 1; min-width: 120px; }

.stat-block .num {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
}

.stat-block .label {
  display: block;
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: .4rem;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-hero {
  background: var(--blue-dark);
  color: var(--white);
  padding-block: 5rem;
  text-align: center;
}

.contact-hero h1 { color: var(--white); margin-bottom: 1rem; }
.contact-hero .lead { color: rgba(255,255,255,.75); margin-inline: auto; }

.region-section {
  position: relative;
  overflow: hidden;
  padding-block: 6rem;
}

.region-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.region-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 43, 78, 0.62);
}

.region-section .container {
  position: relative;
  z-index: 1;
}

.region-card {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: calc(var(--radius) * 2);
  padding: 3rem 2.5rem;
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
}

.region-card h2 {
  color: var(--white);
  margin-bottom: .75rem;
}

.region-card p {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
}

.region-card .badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .35rem .85rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.coverage-list {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
  margin-top: 1.75rem;
}

.coverage-list li {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px;
  padding: .35rem 1rem;
  font-size: .875rem;
  color: rgba(255,255,255,.85);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--blue-dark);
  color: var(--white);
  padding-block: 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-mid) 0%, transparent 70%);
  opacity: .35;
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 { color: var(--white); margin-bottom: .75rem; }
.page-hero p  { color: rgba(255,255,255,.75); max-width: 560px; font-size: 1.1rem; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: var(--blue-mid);
  color: var(--white);
  padding-block: 4rem;
  text-align: center;
}

.cta-band h2 { color: var(--white); margin-bottom: .75rem; }
.cta-band p  { color: rgba(255,255,255,.8); margin-bottom: 2rem; max-width: 560px; margin-inline: auto; }
.cta-band .btn-outline { margin-inline: .5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .intro-split,
  .about-intro {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-intro img {
    aspect-ratio: 16/9;
    order: -1;
  }
}

@media (max-width: 768px) {
  .section { padding-block: 3.5rem; }

  /* Mobile nav */
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 90px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    gap: .25rem;
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
  }

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

  .site-nav a {
    padding: .7rem 1rem;
    border-radius: var(--radius);
    font-size: 1rem;
  }

  .hero-content { padding-block: 4rem; }

  .cta-band .btn { display: block; margin: .5rem auto; max-width: 240px; }

  .footer-meta { flex-direction: column; gap: .5rem; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .stats-row { justify-content: center; }
  .region-card { padding: 2rem 1.5rem; }
}