/* Charity People — Design System */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;1,9..144,400&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Palette */
  --green-deep: #1F5C3A;
  --green-mid: #2A7A4F;
  --green-soft: #E8F0EA;
  --maroon-deep: #8C1F3B;
  --maroon-soft: #F3E5E8;
  --cream: #FAF7F0;
  --cream-dark: #F0EDE6;
  --charcoal: #2B2B28;
  --charcoal-soft: #5A5853;
  --gold: #C5A065;
  --gold-soft: #F9F0E4;

  /* Typography Scale */
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* Utilities */
  --shadow-sm: 0 2px 12px rgba(43,43,40,0.06);
  --shadow-md: 0 8px 30px rgba(43,43,40,0.08);
  --shadow-lg: 0 16px 48px rgba(43,43,40,0.12);
  --radius: 16px;
  --radius-sm: 8px;

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 300; line-height: 1.15; letter-spacing: -0.02em; color: var(--charcoal); }

h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

p { margin-bottom: var(--space-sm); }

a { color: var(--maroon-deep); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--green-deep); text-decoration: underline; text-underline-offset: 3px; }

img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }

/* Container */
.container { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-md); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(31, 92, 58, 0.08);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px; padding: 0 var(--space-md);
  max-width: 1440px; margin: 0 auto;
}

.logo-lockup { display: flex; align-items: center; gap: var(--space-xs); text-decoration: none; }

.logo-lockup svg { width: 42px; height: 42px; flex-shrink: 0; }
.logo-text { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 400; letter-spacing: 0.08em; color: var(--charcoal); line-height: 1; text-transform: uppercase; }
.logo-text-sub { font-size: 0.65rem; font-family: var(--font-sans); letter-spacing: 0.15em; color: var(--green-deep); text-transform: uppercase; margin-top: 2px; }

/* Nav */
.site-nav ul { display: flex; list-style: none; gap: var(--space-md); align-items: center; }
.site-nav a { font-family: var(--font-sans); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--charcoal); text-decoration: none; position: relative; padding-bottom: 2px; }
.site-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--green-deep); transition: width 0.3s var(--ease); }
.site-nav a:hover::after { width: 100%; }
.site-nav a:hover { color: var(--charcoal); text-decoration: none; }

/* Donate Button */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.8rem; border-radius: 100px; font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; border: none; cursor: pointer; transition: all 0.25s var(--ease); text-decoration: none; }

.btn-primary { background: var(--maroon-deep); color: #fff; box-shadow: 0 4px 16px rgba(140,31,59,0.25); }
.btn-primary:hover { background: #6e182d; color: #fff; text-decoration: none; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(140,31,59,0.35); }

.btn-outline { background: transparent; color: var(--cream); border: 1.5px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }

.btn-outline-dark { background: transparent; color: var(--charcoal); border: 1.5px solid var(--charcoal); }
.btn-outline-dark:hover { background: var(--charcoal); color: var(--cream); text-decoration: none; }

/* Mobile Menu */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero-image-bg { position: absolute; inset: 0; z-index: 0; }
.hero-image-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.65); }
.hero-image-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(31,92,58,0.3) 0%, rgba(31,92,58,0.7) 60%, rgba(43,43,40,0.85) 100%); }

.hero-inner { position: relative; z-index: 2; max-width: 1440px; margin: 0 auto; padding: 6rem var(--space-md); width: 100%; }
.hero h1 { color: #fff; max-width: 900px; margin-bottom: var(--space-md); text-shadow: 0 4px 30px rgba(0,0,0,0.25); }
.hero p { color: rgba(255,255,255,0.92); font-size: 1.15rem; max-width: 560px; margin-bottom: var(--space-lg); line-height: 1.7; }
.hero-cta { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* Section Base */
.section { padding: var(--space-2xl) 0; }
.section-sm { padding: var(--space-xl) 0; }
.section-green { background: var(--green-deep); color: #fff; }
.section-green h2, .section-green h3 { color: #fff; }
.section-cream { background: var(--cream); }
.section-cream-dark { background: var(--cream-dark); }

.section-header { max-width: 720px; margin-bottom: var(--space-xl); }
.section-header h2 { margin-bottom: var(--space-sm); }
.section-header p { font-size: 1.1rem; color: var(--charcoal-soft); }

/* Impact Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-lg); }
.stat-card { text-align: center; padding: var(--space-md); border-radius: var(--radius); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); backdrop-filter: blur(8px); }
.stat-number { font-family: var(--font-serif); font-size: 3rem; color: var(--gold); line-height: 1; margin-bottom: var(--space-xs); }
.stat-label { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.85; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: var(--space-md); }
.card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); position: relative; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card img { width: 100%; height: 240px; object-fit: cover; border-radius: 0; }
.card.water-card img { width: 100%; height: 240px; object-fit: contain; object-position: center; background: #f7f4ee; }
.card-body { padding: var(--space-md); }
.card-tag { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--green-deep); background: var(--green-soft); padding: 0.2rem 0.6rem; border-radius: 100px; margin-bottom: var(--space-xs); }
.card h3 { margin-bottom: var(--space-xs); font-size: 1.3rem; }
.card p { color: var(--charcoal-soft); font-size: 0.95rem; }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 0; bottom: 0; width: 2px; background: var(--green-deep); }
.timeline-item { position: relative; padding-bottom: var(--space-lg); }
.timeline-item::before { content: ''; position: absolute; left: -2.05rem; top: 0.4rem; width: 14px; height: 14px; background: var(--maroon-deep); border-radius: 50%; border: 3px solid var(--cream); box-shadow: 0 0 0 2px var(--green-deep); }
.timeline-year { font-family: var(--font-serif); font-size: 1.2rem; color: var(--maroon-deep); margin-bottom: var(--space-xs); }

/* Footer */
.site-footer { background: var(--charcoal); color: #ccc; padding: var(--space-2xl) 0 var(--space-md); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: var(--space-xl); max-width: 1440px; margin: 0 auto; padding: 0 var(--space-md); }
.footer-brand h2 { font-family: var(--font-serif); font-size: 1.2rem; color: #fff; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 0.9rem; color: #aaa; line-height: 1.7; }
.footer-col h4 { font-family: var(--font-sans); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; margin-bottom: var(--space-md); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: var(--space-xs); }
.footer-col a { color: #ccc; font-size: 0.9rem; text-decoration: none; }
.footer-col a:hover { color: var(--gold); text-decoration: none; }
.footer-newsletter input { width: 100%; padding: 0.75rem 1rem; border-radius: 100px; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.05); color: #fff; font-family: var(--font-sans); font-size: 0.85rem; margin-bottom: var(--space-xs); }
.footer-newsletter input::placeholder { color: #888; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); margin-top: var(--space-xl); padding-top: var(--space-md); display: flex; justify-content: space-between; align-items: center; max-width: 1440px; margin-left: auto; margin-right: auto; padding-left: var(--space-md); padding-right: var(--space-md); font-size: 0.8rem; color: #777; }

/* Reveal animations */
.reveal-up { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-up.revealed { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .site-nav ul { gap: var(--space-sm); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner { height: 70px; }
  @keyframes slideInRight { from { transform: translateX(100%); } to { transform: translateX(0); } }
  .site-nav { display: none; position: fixed; top: 0; right: 0; left: auto; width: 65%; height: 100vh; background: rgba(250,247,240,0.98); box-shadow: -8px 0 30px rgba(0,0,0,0.1); border-left: 1px solid rgba(31,92,58,0.08); z-index: 999; padding-top: 100px; padding-left: var(--space-xl); flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
  .site-nav.open { display: flex; animation: slideInRight 0.3s var(--ease); }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: var(--space-lg); width: 100%; }
  .site-nav a { font-size: 1.2rem; }
  .menu-toggle { display: block; z-index: 1001; }
  .hero-inner { padding-top: 4rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}

/* FAQ Accordion */
.faq-details { background: #fff; border-radius: var(--radius); margin-bottom: var(--space-sm); box-shadow: 0 2px 8px rgba(0,0,0,0.04); overflow: hidden; transition: all 0.3s var(--ease); border: 1px solid rgba(31,92,58,0.05); }
.faq-details[open] { box-shadow: 0 4px 16px rgba(31,92,58,0.12); border-color: rgba(31,92,58,0.15); }
.faq-summary { padding: 1.2rem var(--space-md); cursor: pointer; font-family: var(--font-sans); font-size: 1.1rem; font-weight: 600; color: var(--green-deep); list-style: none; display: flex; justify-content: space-between; align-items: center; transition: background 0.2s var(--ease); }
.faq-summary:hover { background: rgba(31,92,58,0.02); }
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after { content: '+'; font-size: 1.5rem; font-weight: 400; color: var(--maroon-deep); transition: transform 0.3s var(--ease); line-height: 1; }
.faq-details[open] .faq-summary::after { content: '−'; transform: rotate(180deg); }
.faq-content { padding: 0 var(--space-md) 1.2rem; color: var(--charcoal-soft); font-size: 0.95rem; line-height: 1.6; }

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  font-size: 30px;
  z-index: 1000;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  color: white;
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: currentColor;
}