@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ================================================
   Prototype D — Clean Optimistic (charity:water-inspired)
   ================================================ */

:root {
  --yellow: #FFCA0A;
  --yellow-hover: #FFD53B;
  --charcoal: #222520;
  --beige: #FAF7F0;
  --white: #FFFFFF;
  --teal: #007888;
  --teal-light: #028E9E;
  --navy: #003366;
  --gray-border: #dfdfd7;
  --text-muted: #666;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
}

body {
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--beige);
  font-size: 16px;
  line-height: 1.6;
}

/* ---- NAV ---- */
.nav {
  position: sticky;
  top: var(--proto-bar-height, 0px);
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--charcoal);
}

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

.nav__links li a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--charcoal);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__links li a:hover {
  color: var(--teal);
}

.nav__links li a.nav-cta {
  background: var(--navy);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 6px;
  font-weight: 600;
  transition: background var(--transition-fast);
}

.nav__links li a.nav-cta:hover {
  background: #004080;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--proto-bar-height, 0px);
  background: var(--white);
  z-index: 999;
  padding: 80px 24px 24px;
}

.mobile-menu.open { display: block; }

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu__links li a {
  display: block;
  padding: 14px 0;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--charcoal);
  border-bottom: 1px solid var(--gray-border);
  min-height: 44px;
}

.mobile-menu__links li a.nav-cta {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  border-radius: 6px;
  border-bottom: none;
  margin-top: 16px;
  padding: 14px;
}

/* ---- HERO ---- */
.hero {
  background: var(--white);
  padding: 0;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
  min-height: 60dvh;
  align-items: center;
}

.hero__text {
  padding: 60px 48px 60px 24px;
}

.hero__headline {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--charcoal);
  margin-bottom: 16px;
}

.hero__subtext {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 50ch;
  line-height: 1.7;
}

.hero__cta {
  display: inline-block;
  background: var(--yellow);
  color: var(--charcoal);
  padding: 14px 36px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  min-height: 44px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero__cta:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
}

.hero__cta:active { transform: scale(0.97); }

.hero__image {
  height: 100%;
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 400px;
}

/* ---- STATS ---- */
.stats {
  background: var(--teal);
  color: var(--white);
  padding: 56px 24px;
}

.stats__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item__number {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-item__label {
  font-size: 0.85rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- WHY / MISSION ---- */
.why {
  background: var(--white);
  padding: 100px 24px;
}

.why__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why__label,
.programs__label,
.news__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 12px;
}

.why__headline {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.why__body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 65ch;
}

.why__image img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* ---- PROGRAMS ---- */
.programs {
  background: var(--beige);
  padding: 100px 24px;
}

.programs__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.programs__headline {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.programs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.program-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.program-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.program-card:focus-within {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.program-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  aspect-ratio: 16/10;
}

.program-card__body {
  padding: 24px;
}

.program-card__title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.program-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 65ch;
}

.program-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.program-card__link:hover {
  color: var(--navy);
}

/* ---- IMPACT BANNER ---- */
.impact-banner {
  background: var(--charcoal);
  color: var(--white);
  padding: 80px 24px;
  text-align: center;
}

.impact-banner__inner {
  max-width: 800px;
  margin: 0 auto;
}

.impact-banner__number {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--yellow);
  margin-bottom: 12px;
  line-height: 1.1;
}

.impact-banner__text {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  opacity: 0.85;
  line-height: 1.5;
}

/* ---- NEWS ---- */
.news {
  background: var(--white);
  padding: 100px 24px;
}

.news__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.news__headline {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--beige);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.news-card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.news-card__body {
  padding: 20px;
}

.news-card__date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.news-card__title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.3;
}

.news-card__excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- DONATION ---- */
.donation {
  background: var(--beige);
  padding: 100px 24px;
  text-align: center;
}

.donation__inner {
  max-width: 900px;
  margin: 0 auto;
}

.donation__headline {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.donation__subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.donation__tiers {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.donation-tier {
  background: var(--white);
  border: 2px solid var(--gray-border);
  border-radius: 12px;
  padding: 32px 28px;
  width: 240px;
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.donation-tier:hover {
  border-color: var(--yellow);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.donation-tier__amount {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.donation-tier__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

.donation-tier__btn {
  display: inline-block;
  background: var(--yellow);
  color: var(--charcoal);
  padding: 10px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  min-height: 44px;
  transition: background var(--transition-fast);
}

.donation-tier__btn:hover {
  background: var(--yellow-hover);
}

.donation-tier__btn:active {
  transform: scale(0.95);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: 48px 24px;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer__col h3 {
  color: var(--white);
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer__col p {
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer__col ul li {
  margin-bottom: 6px;
}

.footer__col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
  padding: 4px 0;
  display: inline-block;
  min-height: 32px;
}

.footer__col a:hover {
  color: var(--yellow);
}

.footer__bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 0.78rem;
  opacity: 0.6;
  text-align: center;
}

/* ---- SCROLL ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE: TABLET ---- */
@media (max-width: 1199px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__text { padding: 48px 24px; text-align: center; }
  .hero__subtext { margin-left: auto; margin-right: auto; }
  .hero__image img { min-height: 300px; max-height: 400px; }
  .why__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

/* ---- RESPONSIVE: MOBILE ---- */
@media (max-width: 767px) {
  .nav__hamburger { display: flex; }
  .nav__links { display: none; }

  .hero__text { padding: 36px 16px; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .programs__grid { grid-template-columns: 1fr; }
  .news__grid { grid-template-columns: 1fr; }
  .donation__tiers { flex-direction: column; align-items: center; }
  .donation-tier { width: 100%; max-width: 320px; }
  .footer__inner { grid-template-columns: 1fr; }
  .why, .programs, .news, .donation { padding: 60px 16px; }
}