/* ============================================
   Doctors to Australia — Global Stylesheet
   Mobile-first responsive design
   ============================================ */

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

:root {
  --color-primary: #1a5276;
  --color-primary-dark: #0e3a56;
  --color-primary-light: #1f6f9e;
  --color-accent: #106e5d;
  --color-accent-light: #1abc9c;
  --color-bg: #f8f9fa;
  --color-white: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #5d6d7e;
  --color-border: #d5dbdb;
  --color-highlight: #eaf2f8;
  --max-width: 1140px;
  --header-height: 64px;
  --font-main: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--color-accent);
  text-decoration: underline;
}

a:focus-visible {
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Header --- */
.site-header {
  background: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo a {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-logo a:hover {
  text-decoration: none;
  color: var(--color-accent-light);
}

/* --- Mobile Nav Toggle --- */
.nav-toggle {
  display: block;
  background: none;
  border: 2px solid var(--color-white);
  border-radius: 4px;
  color: var(--color-white);
  font-size: 1.5rem;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  line-height: 1;
}

.nav-toggle:focus {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* --- Navigation --- */
.main-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-primary-dark);
  padding: 0.5rem 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.main-nav.is-open {
  display: block;
}

.main-nav ul {
  list-style: none;
  padding: 0;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 0.65rem 1.25rem;
  color: #d5e8f0;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a.active {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* --- Hero / Page Header --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 2.5rem 0;
  text-align: center;
}

.page-hero h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.page-hero p {
  font-size: 1.05rem;
  color: #d5e8f0;
  max-width: 640px;
  margin: 0 auto;
}

/* --- Main Content --- */
.main-content {
  padding: 2rem 0 3rem;
}

.main-content h2 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--color-accent-light);
}

.main-content h3 {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin: 1.5rem 0 0.5rem;
}

.main-content p {
  margin-bottom: 1rem;
}

.main-content section {
  margin-bottom: 2rem;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card.is-clickable {
  cursor: pointer;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-color: var(--color-primary-light);
}

.card.is-clickable:focus-visible {
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

.card h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.card p {
  font-size: 0.93rem;
  color: var(--color-text-light);
}

.card a {
  font-weight: 600;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--color-highlight);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}

.cta-banner p {
  margin-bottom: 0.5rem;
}

/* --- Steps / Journey --- */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0.75rem 0 0.75rem 3rem;
  margin-bottom: 0.5rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  text-align: center;
  line-height: 2rem;
  font-weight: 700;
  font-size: 0.85rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 0.75rem 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary-light);
}

.breadcrumb span {
  margin: 0 0.35rem;
}

/* --- Internal Link List --- */
.link-list {
  list-style: none;
  padding: 0;
}

.link-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.link-list li:last-child {
  border-bottom: none;
}

.link-list a {
  font-weight: 600;
}

/* --- Table (for comparisons) --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.comparison-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.comparison-table tr:nth-child(even) {
  background: var(--color-highlight);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary-dark);
  color: #aab7c4;
  padding: 2.5rem 0 1.5rem;
  font-size: 0.88rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.3rem;
}

.footer-col a {
  color: #aab7c4;
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: #9fb4c9;
}

.footer-bottom p {
  margin-bottom: 0.35rem;
}

/* ============================================
   RESPONSIVE — Tablet (600px+)
   ============================================ */
@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-hero h1 {
    font-size: 2rem;
  }
}

/* ============================================
   RESPONSIVE — Desktop (900px+)
   ============================================ */
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    display: block;
    position: static;
    background: transparent;
    box-shadow: none;
    padding: 0;
  }

  .main-nav ul {
    display: flex;
    gap: 0.15rem;
  }

  .main-nav a {
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    border-radius: 4px;
  }

  .main-nav a:hover,
  .main-nav a:focus,
  .main-nav a.active {
    background: rgba(255,255,255,0.12);
  }

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

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

  .page-hero {
    padding: 3.5rem 0;
  }

  .page-hero h1 {
    font-size: 2.35rem;
  }

  .page-hero p {
    font-size: 1.15rem;
  }

  .main-content h2 {
    font-size: 1.5rem;
  }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { font-size: 12pt; color: #000; }
  a { color: #000; text-decoration: underline; }
}