/* Mountain Gorilla Refuge — Landing Styles */

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

:root {
  --green-900: #0d2b0f;
  --green-800: #1a4d1f;
  --green-700: #2d6a32;
  --green-600: #3d8a45;
  --green-500: #52a65e;
  --brown-800: #3b2a1a;
  --brown-700: #4e3726;
  --brown-600: #6b4e36;
  --cream: #f5f0e8;
  --cream-dark: #ede4d4;
  --white: #ffffff;
  --text-dark: #1c1c1c;
  --text-mid: #4a4a4a;
  --text-light: #7a7a7a;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.2;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
}
.btn-primary {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
}
.btn-primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn-ghost {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-600);
}
.btn-ghost:hover {
  background: var(--green-600);
  color: var(--white);
}
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* ── Nav ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: var(--green-900);
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-family: Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
}
.navbar-brand-icon {
  width: 40px;
  height: 40px;
  background: var(--green-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.navbar-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.navbar-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.navbar-links a:hover { color: var(--white); }
.navbar-donate {
  padding: 10px 24px !important;
  font-size: 0.95rem !important;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--green-900);
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,43,15,0.85) 0%, rgba(13,43,15,0.4) 60%, rgba(26,77,31,0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 120px 60px 80px;
  color: var(--white);
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(82,166,94,0.25);
  border: 1px solid rgba(82,166,94,0.5);
  color: #a8e6b0;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.1;
}
.hero p {
  font-size: 1.2rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stat {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  font-family: Georgia, serif;
}
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

/* ── Section shared ── */
.section {
  padding: 96px 40px;
}
.section-cream { background: var(--cream); }
.section-white { background: var(--white); }
.section-green { background: var(--green-900); color: var(--white); }

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: Georgia, serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 12px;
}
.section-green .section-eyebrow { color: var(--green-500); }
.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--brown-800);
  margin-bottom: 16px;
}
.section-green .section-title { color: var(--white); }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-mid);
  max-width: 620px;
  line-height: 1.7;
}
.section-green .section-subtitle { color: rgba(255,255,255,0.75); }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
}
.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img { width: 100%; height: 440px; object-fit: cover; }
.about-text h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--green-900);
}
.about-text p {
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.value-item {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 20px;
  border-left: 3px solid var(--green-600);
}
.value-item h4 {
  font-size: 1rem;
  font-family: Georgia, serif;
  color: var(--green-900);
  margin-bottom: 4px;
}
.value-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

/* ── Impact Stats ── */
.impact-section {
  position: relative;
  background: var(--green-900);
  color: var(--white);
  padding: 96px 40px;
  overflow: hidden;
}
.impact-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('https://pub-629428d185ca4960a0a73c850d32294b.r2.dev/generated-images/company_187573/c0d81386-cee6-4171-adec-6f20c92f3688.jpg') center/cover no-repeat;
  opacity: 0.12;
}
.impact-inner { position: relative; z-index: 1; }
.impact-header { text-align: center; margin-bottom: 64px; }
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: 64px;
}
.impact-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px);
  padding: 40px 28px;
  text-align: center;
  border-top: 3px solid var(--green-500);
}
.impact-card:first-child { border-top-color: #a8e6b0; }
.impact-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}
.impact-num {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-family: Georgia, serif;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}
.impact-label {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}
.impact-highlight {
  background: rgba(82,166,94,0.15);
  border: 1px solid rgba(82,166,94,0.4);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.impact-highlight-text h3 {
  font-size: 1.8rem;
  font-family: Georgia, serif;
  margin-bottom: 8px;
}
.impact-highlight-text p {
  color: rgba(255,255,255,0.75);
  max-width: 500px;
}
.impact-highlight-stat {
  text-align: center;
  flex-shrink: 0;
}
.impact-big-num {
  font-size: 5rem;
  font-family: Georgia, serif;
  font-weight: 700;
  color: #a8e6b0;
  line-height: 1;
}
.impact-big-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ── Get Involved ── */
.involved-header { text-align: center; margin-bottom: 56px; }
.involved-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.involved-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.involved-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.involved-card-icon {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}
.donate-card .involved-card-icon { background: linear-gradient(135deg, #2d6a32, #52a65e); color: white; }
.volunteer-card .involved-card-icon { background: linear-gradient(135deg, #4e3726, #6b4e36); color: white; }
.spread-card .involved-card-icon { background: linear-gradient(135deg, #1a4d1f, #3d8a45); color: white; }
.involved-card-body { padding: 32px; }
.involved-card-body h3 {
  font-size: 1.4rem;
  color: var(--brown-800);
  margin-bottom: 12px;
}
.involved-card-body p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.involved-card-body .btn { width: 100%; }

/* ── Mission Pillars ── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.pillar-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--cream-dark);
  transition: transform var(--transition);
}
.pillar-card:hover { transform: translateY(-4px); }
.pillar-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}
.pillar-card h3 {
  font-size: 1.3rem;
  color: var(--green-900);
  margin-bottom: 12px;
}
.pillar-card p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--green-700);
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://pub-629428d185ca4960a0a73c850d32294b.r2.dev/generated-images/company_187573/c0d81386-cee6-4171-adec-6f20c92f3688.jpg') center/cover no-repeat;
  opacity: 0.08;
}
.cta-inner { position: relative; z-index: 1; }
.cta-banner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 16px;
}
.cta-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ── */
.footer {
  background: var(--green-900);
  color: rgba(255,255,255,0.7);
  padding: 64px 40px 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand { color: var(--white); font-family: Georgia, serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.footer-desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; color: rgba(255,255,255,0.6); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  transition: background var(--transition);
}
.footer-social a:hover { background: var(--green-600); color: white; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: rgba(255,255,255,0.8); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .navbar { padding: 14px 24px; }
  .navbar-links { display: none; }
  .section { padding: 72px 24px; }
  .hero-content { padding: 100px 24px 60px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-highlight { flex-direction: column; text-align: center; }
  .involved-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .impact-grid { grid-template-columns: 1fr; }
  .impact-big-num { font-size: 4rem; }
  .about-values { grid-template-columns: 1fr; }
}