:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --accent: #e8b931;
  --accent-hover: #d4a520;
  --text: #333;
  --text-light: #666;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --bg-dark: #1a1a2e;
  --border: #e0e0e0;
  --success: #28a745;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
  transition: var(--transition);
}

.header.scrolled { box-shadow: 0 2px 30px rgba(0,0,0,0.1); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }

.nav-links a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-links a:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(232,185,49,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(232,185,49,0.4);
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-white {
  background: white;
  color: var(--primary);
}

.btn-white:hover {
  background: var(--accent);
  color: var(--primary);
}

.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--primary); border-radius: 3px; transition: var(--transition); }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 30px;
  backdrop-filter: blur(5px);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 25px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 50px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat h3 { font-size: 2.2rem; font-weight: 800; color: var(--accent); }
.hero-stat p { font-size: 0.9rem; opacity: 0.8; margin-top: 5px; }

/* Sections */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
}

.section-header .tag {
  display: inline-block;
  background: rgba(26,58,92,0.08);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 15px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.card p { color: var(--text-light); font-size: 0.95rem; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }

/* About section */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-text {
  color: white;
  font-size: 4rem;
  font-weight: 800;
  opacity: 0.2;
}

.about-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-list {
  list-style: none;
  margin-top: 25px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 1rem;
}

.about-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(40,167,69,0.1);
  color: var(--success);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Mission cards */
.mission-card {
  text-align: center;
  padding: 50px 30px;
}

.mission-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 25px;
}

/* Team */
.team-card {
  text-align: center;
  padding: 0;
  overflow: hidden;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 30px auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
}

.team-card h3 { font-size: 1.2rem; margin-bottom: 5px; }
.team-card .role { color: var(--accent); font-weight: 600; font-size: 0.9rem; }
.team-card p { margin: 15px 20px 25px; font-size: 0.9rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  margin-bottom: 20px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-card h4 { font-size: 1rem; margin-bottom: 5px; }
.contact-info-card p { color: var(--text-light); font-size: 0.9rem; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,58,92,0.1);
}

.form-group textarea { resize: vertical; min-height: 140px; }

/* Donation */
.donate-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  text-align: center;
  padding: 120px 20px 80px;
}

.donate-hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 15px; }
.donate-hero p { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto; }

.donate-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: -60px; position: relative; z-index: 1; }

.donate-card {
  background: white;
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: 3px solid transparent;
}

.donate-card:hover,
.donate-card.featured {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.donate-card.featured { position: relative; }

.donate-card .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 20px 0 10px;
}

.donate-card .period { color: var(--text-light); font-size: 0.9rem; margin-bottom: 25px; }

.donate-card ul { list-style: none; text-align: left; margin-bottom: 30px; }
.donate-card ul li { padding: 8px 0; font-size: 0.9rem; color: var(--text-light); display: flex; align-items: center; gap: 10px; }
.donate-card ul li::before { content: '✓'; color: var(--success); font-weight: 700; }

/* IBAN Section */
.iban-section {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 50px;
  margin-top: 60px;
}

.iban-box {
  background: white;
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  max-width: 500px;
  margin: 20px auto;
}

.iban-box .iban-label { font-size: 0.85rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.iban-box .iban-number { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: 2px; font-family: monospace; }
.iban-box .iban-holder { color: var(--text-light); margin-top: 8px; font-size: 0.9rem; }

/* Footer */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 30px;
}

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }

.footer-brand .logo { color: white; margin-bottom: 20px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; }

.footer h4 { color: white; font-size: 1rem; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-legal { display: flex; gap: 25px; }
.footer-legal a { color: rgba(255,255,255,0.5); }
.footer-legal a:hover { color: var(--accent); }

/* Legal Pages */
.legal-hero {
  background: linear-gradient(135deg, var(--bg-dark), var(--primary));
  color: white;
  text-align: center;
  padding: 140px 20px 60px;
}

.legal-hero h1 { font-size: 2.5rem; font-weight: 800; }
.legal-hero p { opacity: 0.8; margin-top: 10px; }

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}

.legal-content h2 { font-size: 1.5rem; color: var(--primary); margin: 40px 0 15px; }
.legal-content h3 { font-size: 1.2rem; color: var(--primary); margin: 30px 0 10px; }
.legal-content p { margin-bottom: 15px; color: var(--text-light); }
.legal-content ul, .legal-content ol { margin: 15px 0; padding-left: 25px; }
.legal-content li { margin-bottom: 10px; color: var(--text-light); }
.legal-content strong { color: var(--text); }

/* Page header */
.page-header {
  background: linear-gradient(135deg, var(--bg-dark), var(--primary));
  color: white;
  text-align: center;
  padding: 140px 20px 60px;
}

.page-header h1 { font-size: 2.8rem; font-weight: 800; }
.page-header p { opacity: 0.8; margin-top: 10px; font-size: 1.1rem; }

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  padding: 80px 20px;
  text-align: center;
}

.cta-section h2 { font-size: 2.2rem; font-weight: 800; color: var(--primary); margin-bottom: 15px; }
.cta-section p { color: rgba(26,58,92,0.8); margin-bottom: 30px; font-size: 1.1rem; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { 
    position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
    background: white; flex-direction: column; padding: 80px 30px 30px;
    box-shadow: -5px 0 30px rgba(0,0,0,0.1); transition: var(--transition);
  }
  .nav-links.active { right: 0; }
  .hamburger { display: flex; }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { gap: 25px; flex-wrap: wrap; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .donate-options { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 2rem; }
  .hero-stat h3 { font-size: 1.8rem; }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate { animation: fadeInUp 0.6s ease forwards; }

/* Scroll animations */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }