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

:root {
  --color-dark: #1e1e1e;
  --color-light: #ffffff;
  --color-accent: #363c94;
  --color-social: #5850EC;
  --color-border: #e0e0e0;
  --color-bg: #ffffff;
  --spacing-xs: 12px;
  --spacing-sm: 20px;
  --spacing-md: 48px;
  --spacing-lg: 80px;
  --spacing-xl: 120px;
  --max-width: 1200px;
  --nav-font-size: 0.8rem;
  --body-font-size: 0.875rem;
  --page-title-size: 2rem;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--color-dark);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ─── HEADER / NAV ─── */

.site-header {
  padding: 20px var(--spacing-sm);
}

.nav-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

.site-nav a {
  font-size: var(--nav-font-size);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-dark);
  transition: opacity 0.15s;
}

.site-nav a:hover {
  opacity: 0.6;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle svg {
  display: block;
}

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav-overlay.is-open {
  display: flex;
}

.nav-overlay ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.nav-overlay a {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark);
}

.nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

/* ─── HERO ─── */

.hero {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-accent);
  opacity: 0.2;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  padding: var(--spacing-xl) var(--spacing-sm);
  text-align: center;
  color: var(--color-light);
}

.hero__title {
  font-size: clamp(50px, 3.136rem + ((1vw - 3.2px) * 5.662), 100px);
  font-weight: 500;
  letter-spacing: 30px;
  line-height: 1.1;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero__desc {
  font-size: var(--body-font-size);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
  color: var(--color-light);
}

/* ─── MAIN / INNER PAGES ─── */

.site-main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-sm);
}

.page-title {
  font-size: var(--page-title-size);
  font-weight: 600;
  font-style: normal;
  margin-bottom: 32px;
}

.entry-content {
  line-height: 1.75;
  font-size: var(--body-font-size);
}

.entry-content p {
  margin-bottom: 1.25em;
}

.entry-content p:last-child {
  margin-bottom: 0;
}

/* ─── GALLERY ─── */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  margin-top: 8px;
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  background: #f0f0f0;
  aspect-ratio: 16 / 9;
}

.gallery figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery figure:hover img {
  transform: scale(1.03);
}

/* ─── DONATE ─── */

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-dark);
  color: var(--color-light);
  font-size: var(--body-font-size);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
  margin-bottom: 32px;
}

.btn:hover {
  opacity: 0.75;
}

.donate-image {
  margin-top: 32px;
  width: 100%;
}

/* ─── FOOTER ─── */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-xs);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-title a {
  color: var(--color-dark);
}

.footer-copyright {
  font-size: var(--nav-font-size);
  color: var(--color-dark);
  opacity: 0.6;
}

/* ─── RESPONSIVE ─── */

/* Touch devices: disable gallery hover zoom */
@media (hover: none) {
  .gallery figure img {
    transform: none !important;
  }
}

@media (max-width: 640px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
    position: absolute;
    right: var(--spacing-sm);
  }

  .nav-wrapper {
    position: relative;
    justify-content: center;
  }

  /* Larger tap targets for mobile nav overlay */
  .nav-overlay a {
    padding: 10px 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-overlay {
    overflow-y: auto;
  }

  .hero {
    min-height: 400px;
  }

  .hero__title {
    letter-spacing: 12px;
  }

  /* Improve legibility of white text on image */
  .hero__desc {
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
    line-height: 1.85;
  }

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

  /* Full-width tap-friendly donate button */
  .btn {
    display: block;
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 400px) {
  .page-title {
    font-size: 1.5rem;
  }

  .site-main {
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}