/* /css/main.css */

body {
  min-height: 100vh;
}

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

a:hover {
  color: var(--accent-hover);
}

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

button {
  cursor: pointer;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.main-nav a {
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle,
.menu-toggle {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
}

.menu-toggle {
  display: none;
}

.crisis-bar {
  background: var(--accent-soft);
  border-bottom: 1px solid var(--border);
}

.crisis-inner {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.crisis-inner a {
  font-weight: 600;
}

main {
  min-height: calc(100vh - var(--header-height));
}

.page-section {
  padding: 72px 0;
}

.page-header {
  padding: 64px 0 34px;
}

.page-header h1 {
  margin: 0 0 12px;
}

.page-header p {
  max-width: 680px;
  margin: 0;
  color: var(--text-soft);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-top: 0;
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0 0 8px;
}

.section-heading p {
  color: var(--text-soft);
  margin: 0;
}

.hero {
  padding: 100px 0 86px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 70px;
}

.hero h1 {
  margin: 0 0 22px;
}

.hero p {
  max-width: 650px;
  color: var(--text-soft);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-card {
  min-height: 330px;
  display: grid;
  place-items: center;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text-muted);
  text-align: center;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-footer {
  margin-top: 60px;
  padding: 46px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.15rem;
}

.footer-tagline {
  max-width: 440px;
  margin-top: 8px;
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 12px 20px;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .header-inner.nav-open .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 18px 20px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .page-section {
    padding: 52px 0;
  }

  .hero {
    padding: 68px 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .crisis-inner {
    padding: 8px 0;
    flex-direction: column;
    gap: 2px;
  }
}