/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #B71C1C;
  --color-primary-dark: #7F0000;
  --color-white: #FFFFFF;
  --color-light-grey: #F5F5F5;
  --color-dark-text: #212121;
  --color-muted-text: #616161;
  --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1100px;
  --header-height: 70px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--color-dark-text);
  background: var(--color-white);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* ===== Utility ===== */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ===== Header / Nav ===== */
.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-header .logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-white);
  font-weight: 500;
  transition: opacity 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 0.85;
  border-bottom: 2px solid var(--color-white);
  padding-bottom: 2px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--color-white);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 5rem 1rem 4rem;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.hero .btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border: 2px solid transparent;
}

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

.btn-white:hover {
  background: var(--color-light-grey);
  color: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

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

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

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

/* ===== Section ===== */
.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--color-light-grey);
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

/* ===== About (Home) ===== */
.about-text {
  max-width: 750px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===== Documents Table ===== */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.doc-table th,
.doc-table td {
  text-align: left;
  padding: 1rem;
  border-bottom: 1px solid #e0e0e0;
}

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

.doc-table tbody tr:hover {
  background: var(--color-light-grey);
}

.doc-table .btn {
  padding: 0.4rem 1rem;
  font-size: 0.875rem;
}

/* ===== Contact Card ===== */
.contact-card {
  background: var(--color-white);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 2.5rem;
  max-width: 550px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-card h3 {
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
}

.contact-card p {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.contact-card .label {
  font-weight: 600;
  min-width: 70px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: auto;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--color-white);
  opacity: 0.8;
}

.site-footer a:hover {
  opacity: 1;
}

/* ===== Page Header (inner pages) ===== */
.page-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 1rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.2rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary);
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

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

  .nav-links li {
    padding: 0.5rem 0;
  }

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

  .hero p {
    font-size: 1rem;
  }

  .doc-table th:nth-child(2),
  .doc-table td:nth-child(2) {
    display: none;
  }

  .section {
    padding: 2.5rem 0;
  }
}