:root {
  --blue: #00BFFF;
  --blue-dark: #0090C8;
  --blue-deep: #006B96;
  --orange: #F58220;
  --orange-dark: #E06A00;
  --ink: #1A1A1A;
  --muted: #4A5568;
  --white: #FFFFFF;
  --surface: #F7F9FC;
  --border: #E2E8F0;
  --radius: 8px;
  --shadow: 0 10px 40px rgba(0,0,0,0.12);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

/* HEADER */
header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent; transition: background 0.3s;
}
header.scrolled {
  position: fixed;
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
header.scrolled .nav-link, header.scrolled .brand-text { color: var(--ink); }
header.scrolled .nav-link.active { color: var(--orange); }
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 80px; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-img {
  height: 52px; width: auto;
  background: white; border-radius: 8px; padding: 4px 8px;
  object-fit: contain;
}
.brand-text {
  font-weight: 700; font-size: 0.95rem; color: white; line-height: 1.2;
}
.brand-text span { display: block; font-size: 0.7rem; font-weight: 500; opacity: 0.9; }
nav { display: flex; align-items: center; gap: 22px; }
.nav-link { font-size: 0.92rem; font-weight: 600; color: white; transition: opacity 0.2s; }
.nav-link:hover { opacity: 0.85; }
.nav-link.active { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.btn-donate {
  background: var(--orange); color: white !important;
  padding: 11px 20px; border-radius: 4px; font-weight: 700; font-size: 0.88rem;
  transition: background 0.2s, transform 0.2s;
}
.btn-donate:hover { background: var(--orange-dark); transform: translateY(-1px); }
.menu-toggle {
  display: none; background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3); color: white;
  padding: 8px 14px; border-radius: 6px; font-weight: 600; cursor: pointer;
}

/* Page header (inner pages) */
.page-header {
  background: linear-gradient(135deg, #006B96 0%, #0090C8 45%, #00BFFF 100%);
  padding: 140px 0 60px;
  color: white;
}
.page-header .section-label { color: rgba(255,255,255,0.85); }
.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 12px;
}
.page-header p { opacity: 0.92; max-width: 560px; font-size: 1.05rem; }

/* HERO */
.hero {
  position: relative; min-height: 90vh; display: flex; align-items: center;
  background: linear-gradient(135deg, #006B96 0%, #0090C8 45%, #00BFFF 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('cover.jpg') center/cover no-repeat;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(0,40,70,0.88) 0%, rgba(0,80,120,0.65) 55%, rgba(0,100,140,0.4) 100%);
}
.hero-content {
  position: relative; z-index: 2; max-width: 660px;
  padding: 120px 0 80px; color: white;
}
.hero-eyebrow {
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 16px; opacity: 0.9;
}
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4rem); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 20px;
}
.hero-lead {
  font-size: 1.12rem; line-height: 1.6; opacity: 0.92;
  margin-bottom: 32px; max-width: 540px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 4px; font-weight: 700;
  font-size: 0.95rem; transition: all 0.2s; border: none; cursor: pointer;
}
.btn-primary { background: var(--orange); color: white; }
.btn-primary:hover {
  background: var(--orange-dark); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,130,32,0.35);
}
.btn-outline {
  background: transparent; color: white;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: white; }

/* VALUES */
.values { background: white; padding: 56px 0; border-bottom: 1px solid var(--border); }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.value-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--blue-deep); }
.value-item p { font-size: 0.92rem; color: var(--muted); line-height: 1.55; }

/* SECTIONS */
section { padding: 88px 0; }
.section-label {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.7rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 16px;
}
.section-intro { font-size: 1.08rem; color: var(--muted); max-width: 640px; margin-bottom: 40px; }

/* MISSION / VISION */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.mv-card {
  border-radius: 12px; padding: 36px 32px; color: white;
}
.mv-card.mission { background: linear-gradient(145deg, var(--blue-deep), var(--blue-dark)); }
.mv-card.vision { background: linear-gradient(145deg, #0A2A3D, #1A4A66); }
.mv-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 14px; opacity: 0.9; }
.mv-card p { font-size: 1.15rem; font-weight: 600; line-height: 1.45; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.about-copy p { color: var(--muted); margin-bottom: 16px; font-size: 1.02rem; }
.about-photo {
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  margin-bottom: 24px;
}
.about-photo img {
  width: 100%; height: 280px; object-fit: cover;
}
.focus-list { list-style: none; margin: 24px 0; display: grid; gap: 12px; }
.focus-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.98rem;
}
.focus-num {
  flex-shrink: 0; width: 28px; height: 28px;
  background: var(--orange); color: white; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 0.8rem;
}
.sdg-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px;
}
.sdg {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px;
}
.sdg strong { display: block; font-size: 0.9rem; color: var(--blue-deep); margin-bottom: 4px; }
.sdg span { font-size: 0.85rem; color: var(--muted); }

/* TEAM */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.team-card {
  background: white; border: 1px solid var(--border); border-radius: 10px;
  padding: 28px 24px; text-align: center;
}
.team-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.team-card .role { font-size: 0.85rem; color: var(--orange); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.9rem; color: var(--muted); }

/* PROGRAMS & PROJECTS */
.programs { background: var(--surface); }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: white; border-radius: 10px; overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid transparent;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(0,0,0,0.1); }
.card-img {
  width: 100%; height: 200px; object-fit: cover;
}
.card-body { padding: 24px 26px 28px; }
.card-icon {
  width: 50px; height: 50px; background: #E6F7FF; border-radius: 10px;
  display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 16px;
}
.card:nth-child(even) .card-icon { background: #FFF0E0; }
.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; line-height: 1.55; }

/* PHOTO GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.gallery-item:hover img { transform: scale(1.05); }

/* IMPACT */
.impact { background: linear-gradient(120deg, var(--blue-deep), var(--blue-dark)); color: white; }
.impact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.impact h2 { color: white; }
.impact p { opacity: 0.9; margin-bottom: 20px; }
.impact-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.impact-stat {
  background: rgba(255,255,255,0.12); border-radius: 10px;
  padding: 22px 16px; text-align: center;
}
.impact-stat strong { display: block; font-size: 1.7rem; font-weight: 800; margin-bottom: 4px; }
.impact-stat span { font-size: 0.85rem; opacity: 0.85; }

/* CTA */
.cta-banner { background: linear-gradient(110deg, #FFF5EB, #E6F7FF); padding: 70px 0; }
.cta-box { display: flex; justify-content: space-between; align-items: center; gap: 36px; }
.cta-box h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 12px;
}
.cta-box p { color: var(--muted); max-width: 520px; }

/* CONTACT */
.contact { background: var(--surface); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; }
.contact-info h2 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 14px; }
.contact-info > p { color: var(--muted); margin-bottom: 28px; }
.contact-list { display: grid; gap: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon {
  width: 44px; height: 44px; background: white; border: 1px solid var(--border);
  border-radius: 8px; display: grid; place-items: center; font-size: 1.15rem; flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
.contact-item a { color: var(--blue-deep); font-weight: 500; }
.contact-item a:hover { text-decoration: underline; }
.form-card {
  background: white; border-radius: 12px; padding: 34px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.form-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 0.9rem; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field.full { grid-column: 1 / -1; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font: inherit; padding: 12px 14px;
  border: 1.5px solid #CBD5E0; border-radius: 6px; background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,191,255,0.15);
}
textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 12px; }

/* FOOTER */
footer { background: #0A1F2E; color: white; padding: 56px 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 0.8fr 1fr; gap: 40px; padding-bottom: 36px;
}
.footer-brand .logo-img { height: 48px; margin-bottom: 16px; background: white; }
.footer-intro { color: #A0B8C8; font-size: 0.92rem; max-width: 340px; line-height: 1.6; }
footer h4 {
  font-size: 0.88rem; font-weight: 700; margin-bottom: 14px;
  letter-spacing: 0.03em; text-transform: uppercase;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #A0B8C8; font-size: 0.92rem; transition: color 0.2s; }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: #7A96A8;
}
.footer-bottom a { color: white; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .values-grid, .team-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .impact-grid, .contact-grid, .mv-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  nav { gap: 14px; }
  .nav-link { font-size: 0.88rem; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  .menu-toggle { display: inline-flex; }
  nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: white; flex-direction: column; padding: 16px 20px 24px;
    box-shadow: var(--shadow); gap: 0;
  }
  nav.open { display: flex; }
  .nav-link { color: var(--ink) !important; padding: 12px 4px; font-size: 1rem; }
  .nav-link.active { color: var(--orange) !important; }
  .btn-donate { margin-top: 10px; text-align: center; width: 100%; }
  .hero { min-height: 85vh; }
  .hero-content { padding: 110px 0 60px; }
  .page-header { padding: 120px 0 48px; }
  .values-grid, .team-grid, .sdg-grid, .impact-stats { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid > div:first-child { grid-column: auto; }
  header.scrolled .menu-toggle {
    background: var(--surface); border-color: var(--border); color: var(--ink);
  }
}
