/* ============================================
   CSS Variables (from site.yaml theme_roles)
   ============================================ */
:root {
  --color-primary: #003366;
  --color-secondary: #050A10;
  --color-accent: #2B2E33;
  --color-background: #6A7078;
  --color-text: #050A10;
  --color-text-secondary: #6A7078;
  --color-white: #ffffff;
  --color-light: #f5f6f7;
  --color-card-bg: #ffffff;

  --header-bg: #003366;
  --footer-bg: #050A10;
  --link-color: #003366;

  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --font-accent: 'Lora', serif;

  --h1: clamp(36px, 5vw, 56px);
  --h2: clamp(28px, 3.5vw, 40px);
  --h3: clamp(20px, 2.5vw, 28px);
  --body: clamp(16px, 1.2vw, 18px);
  --small: 14px;

  --container-max: 1200px;
  --content-width: min(1200px, 92%);
  --content-max: 900px;
  --section-padding: clamp(14px, 2vw, 32px);
  --content-gap: clamp(10px, 1.2vw, 20px);
  --grid-gap: 16px;
  --header-height: 60px;

  --btn-radius: 6px;
  --btn-padding: 8px 16px;
  --card-radius: 10px;
  --card-padding: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--color-text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  text-decoration: underline;
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  font-family: var(--font-body);
  font-size: var(--body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease, background-color 0.2s ease;
  border: none;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.9;
}

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

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--header-bg);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-container {
  max-width: var(--container-max);
  width: var(--content-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  gap: 24px;
}

.nav-list a {
  color: var(--color-white);
  font-size: var(--small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 0;
}

.nav-list a:hover {
  text-decoration: none;
  opacity: 0.8;
}

.nav-social {
  display: flex;
  gap: 12px;
}

.nav-social a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--small);
  font-weight: 500;
}

.nav-social a:hover {
  color: var(--color-white);
  text-decoration: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============================================
   Page Container
   ============================================ */
.snap-container {
  display: block;
}

/* ============================================
   Sections (shared)
   ============================================ */
.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-padding);
  position: relative;
}

.section-container {
  max-width: var(--content-max);
  width: var(--content-width);
  margin: 0 auto;
  text-align: center;
}

.section-lead {
  font-family: var(--font-accent);
  font-size: var(--h3);
  color: var(--color-text-secondary);
  margin-top: 8px;
  margin-bottom: 16px;
}

/* Alternating section backgrounds */
.section:nth-child(even) {
  background-color: var(--color-light);
}

.section:nth-child(odd) {
  background-color: var(--color-white);
}

/* ============================================
   Hero
   ============================================ */
.section-hero {
  background-image: url('placeholders/hero-1920x1080.png');
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  text-align: center;
  min-height: calc(100vh - var(--header-height));
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 51, 102, 0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  width: 92%;
}

.section-hero h1 {
  margin-bottom: 8px;
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-weight: 400;
  font-style: italic;
  font-size: var(--h2);
  margin-bottom: 12px;
  opacity: 0.95;
}

.hero-lead {
  font-size: var(--body);
  line-height: 1.5;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-specialties {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-bottom: 20px;
}

.hero-specialty {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--card-radius);
  padding: 12px 12px;
}

.hero-specialty h3 {
  font-size: var(--body);
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-specialty p {
  font-size: var(--small);
  opacity: 0.85;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hero-cta .btn-primary {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.hero-cta .btn-primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

.hero-learn-more {
  display: inline-block;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--small);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
}

.hero-learn-more:hover {
  color: var(--color-white);
  text-decoration: none;
  border-bottom-color: var(--color-white);
}

/* ============================================
   About
   ============================================ */
.about-list {
  text-align: left;
  max-width: 400px;
  margin: 8px auto 16px;
}

.about-list li {
  padding: 6px 0 6px 20px;
  position: relative;
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.about-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
  text-align: left;
  margin-bottom: 16px;
}

.about-block {
  background: var(--color-card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.about-block h2 {
  font-size: var(--h3);
  margin-bottom: 8px;
}

.about-block ul {
  padding-left: 0;
}

.about-block li {
  padding: 4px 0 4px 20px;
  position: relative;
}

.about-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

/* ============================================
   Kylon
   ============================================ */
.kylon-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
  text-align: left;
  margin-bottom: 16px;
}

.kylon-block {
  background: var(--color-card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.kylon-block h2 {
  font-size: var(--h3);
  margin-bottom: 8px;
}

.kylon-block li {
  padding: 4px 0 4px 20px;
  position: relative;
}

.kylon-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

/* ============================================
   Cards (Departments, Resources, Media, Order)
   ============================================ */
.card {
  background: var(--color-card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.card img {
  max-height: 100px;
  width: auto;
  object-fit: contain;
  margin-bottom: 4px;
}

.card h2 {
  font-size: var(--h3);
}

.card p {
  color: var(--color-text-secondary);
  font-size: var(--body);
}

.card .btn {
  margin-top: auto;
}

/* Departments & Order grid (3-col) */
.dept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 16px;
}

/* Resources grid */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 16px;
}

/* Media grid (2x2) */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
  margin-top: 16px;
}

.media-grid .card img {
  width: 100%;
  max-height: 120px;
  object-fit: cover;
  border-radius: 8px;
}

/* ============================================
   Contact
   ============================================ */
.section-contact .section-container {
  max-width: var(--container-max);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  text-align: left;
  margin-top: 16px;
}

.contact-block {
  background: var(--color-card-bg);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.contact-block h2 {
  font-size: var(--h3);
  margin-bottom: 8px;
}

.contact-block li {
  padding: 4px 0;
}

.contact-social {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background-color: var(--footer-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 32px 0 16px;
}

.footer-container {
  max-width: var(--container-max);
  width: var(--content-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}

.footer-logo {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 12px;
}

.footer-tagline {
  font-family: var(--font-accent);
  font-size: var(--small);
  font-style: italic;
  margin-bottom: 8px;
  line-height: 1.4;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--small);
}

.footer-social a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: var(--body);
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--small);
}

.footer-col a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-bottom {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--small);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1199px) {
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 767px) {
  /* Header mobile */
  .nav-toggle {
    display: flex;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--header-bg);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .header-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .nav-list a {
    font-size: var(--body);
  }

  .nav-social {
    gap: 20px;
  }

  .section {
    min-height: auto;
    padding: 64px 16px;
  }

  .section-hero {
    min-height: 100vh;
    min-height: 100dvh;
  }

  /* Hero */
  .hero-specialties {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  /* Content columns */
  .about-columns,
  .kylon-columns {
    grid-template-columns: 1fr;
  }

  /* Cards */
  .dept-grid,
  .resources-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

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

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}