/* HPS Montreal — Main stylesheet. Mobile-first, Core Web Vitals friendly. */

:root {
  --color-primary: #1a4d6d;
  --color-primary-light: #2d6a8f;
  --color-health: #2d7a5e;
  --color-health-light: #3d9b73;
  --color-white: #fff;
  --color-off-white: #f6f8fa;
  --color-text: #1f2937;
  --color-text-muted: #4b5563;
  --color-border: #e5e7eb;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height: 1.6;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-white);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  z-index: 100;
  border-radius: var(--radius);
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-md); outline: 2px solid var(--color-health); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-light); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}
.logo img { height: 40px; width: auto; }
.nav-main ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}
.nav-main a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
}
.nav-main a:hover { color: var(--color-primary); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
}
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}
.nav-toggle::before { top: 14px; }
.nav-toggle::after { bottom: 14px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-main { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-white); border-bottom: 1px solid var(--color-border); max-height: 0; overflow: hidden; transition: max-height var(--transition); }
  .nav-main.is-open { max-height: 320px; }
  .nav-main ul { flex-direction: column; padding: var(--space-lg); gap: var(--space-md); }
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,77,109,0.85) 0%, rgba(45,122,94,0.75) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: var(--space-3xl) var(--space-lg);
}
.hero h1 {
  margin: 0 0 var(--space-lg);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}
.hero-lead {
  margin: 0 0 var(--space-xl);
  font-size: 1.1rem;
  opacity: 0.95;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-health);
  color: var(--color-white);
  border-color: var(--color-health);
}
.btn-primary:hover { background: var(--color-health-light); border-color: var(--color-health-light); }
.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }

/* Sections */
.section {
  padding: var(--space-3xl) 0;
}
.section:nth-child(even) { background: var(--color-off-white); }
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-header h2 { margin: 0 0 var(--space-sm); }
.section-header p { margin: 0; color: var(--color-text-muted); }
.section-grid {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}
@media (min-width: 769px) {
  .section-grid { grid-template-columns: 1fr 1fr; }
  .section-grid-reverse .section-media { order: 2; }
  .section-grid-reverse .section-body { order: 1; }
}
.section-body h2 { margin: 0 0 var(--space-lg); font-size: 1.75rem; color: var(--color-primary); }
.section-body p { margin: 0 0 var(--space-md); }
.section-body p:last-of-type { margin-bottom: var(--space-lg); }
.section-media img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.link-arrow {
  font-weight: 600;
  text-decoration: none;
}
.link-arrow::after { content: " →"; }
.section-cta { text-align: center; margin-top: var(--space-xl); }

/* Cards */
.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-health) 100%);
  border-radius: var(--radius);
}
.card h3 { margin: 0 0 var(--space-sm); font-size: 1.2rem; }
.card p { margin: 0 0 var(--space-md); color: var(--color-text-muted); font-size: 0.95rem; }
.card a { font-weight: 600; }

/* Contact list */
.contact-list { list-style: none; margin: 0 0 var(--space-lg); padding: 0; }
.contact-list li { margin-bottom: var(--space-sm); }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  overflow: hidden;
  background: var(--color-white);
}
.faq-item summary {
  padding: var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  padding: 0 var(--space-lg) var(--space-lg);
  margin: 0;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: 0;
}

/* CTA block */
.section-cta-block { text-align: center; }
.section-cta-block h2 { margin: 0 0 var(--space-md); }
.section-cta-block p { margin: 0 0 var(--space-xl); color: var(--color-text-muted); }
.cta-buttons { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: center; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}
.site-footer a { color: rgba(255,255,255,0.9); }
.site-footer a:hover { color: var(--color-white); }
.footer-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr auto; align-items: start; } }
.footer-brand img { margin-bottom: var(--space-sm); filter: brightness(0) invert(1); }
.footer-brand p { margin: 0; opacity: 0.9; font-size: 0.9rem; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-md); }
.footer-nav a { text-decoration: none; }
.footer-copy { margin: 0; padding-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.2); font-size: 0.875rem; opacity: 0.85; }

/* Page headers (subfolder layout) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-health) 100%);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
  margin-bottom: var(--space-2xl);
}
.page-hero h1 { margin: 0 0 var(--space-sm); font-size: 1.75rem; }
.page-hero .breadcrumb { margin: 0; font-size: 0.9rem; opacity: 0.9; }
.page-hero .breadcrumb a { color: var(--color-white); }

/* Content page */
.content-body { padding-bottom: var(--space-3xl); }
.content-body h2 { font-size: 1.35rem; margin: var(--space-xl) 0 var(--space-md); color: var(--color-primary); }
.content-body h3 { font-size: 1.15rem; margin: var(--space-lg) 0 var(--space-sm); }
.content-body ul, .content-body ol { margin: 0 0 var(--space-lg); padding-left: 1.5rem; }
.content-body li { margin-bottom: var(--space-xs); }

/* Contact form */
.contact-form { max-width: 480px; margin-top: var(--space-lg); }
.contact-form div { margin-bottom: var(--space-md); }
.contact-form label { display: block; margin-bottom: var(--space-xs); font-weight: 500; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}
.contact-form textarea { resize: vertical; min-height: 120px; }