/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: #333; background: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ===== VARIABLES ===== */
:root {
  --primary: #1e3a5f;
  --accent: #00a8e8;
  --accent2: #00c896;
  --dark: #0d1f35;
  --light: #f4f8fc;
  --white: #fff;
}

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(13,31,53,0.97); backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.3);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.logo-icon i { font-size: 1.2rem; color: var(--white); }
.logo-text { display: flex; flex-direction: column; }
.logo-main { color: var(--white); font-size: 1rem; font-weight: 700; line-height: 1.2; }
.logo-sub { color: var(--accent); font-size: 0.75rem; font-weight: 500; }
.nav { display: flex; gap: 28px; }
.nav a { color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-join {
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--white); border: none; padding: 10px 24px;
  border-radius: 8px; font-weight: 700; font-size: 0.9rem; cursor: pointer; transition: all 0.3s;
}
.btn-join:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 15px rgba(0,168,232,0.4); }
.hamburger { display: none; background: none; border: none; color: var(--accent); font-size: 1.5rem; cursor: pointer; }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed; top: 0; right: -300px; width: 280px; height: 100vh;
  background: var(--dark); z-index: 2000; padding: 80px 30px 30px;
  display: flex; flex-direction: column; gap: 20px; transition: right 0.3s;
}
.mobile-menu.open { right: 0; }
.mobile-menu a { color: rgba(255,255,255,0.8); font-size: 1rem; font-weight: 500; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-menu a:hover { color: var(--accent); }
.close-menu { position: absolute; top: 20px; right: 20px; background: none; border: none; color: var(--accent); font-size: 1.5rem; cursor: pointer; }
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1500; }
.overlay.show { display: block; }

/* ===== HERO ===== */
.hero { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(0.3); }
.hero-content { position: relative; z-index: 1; text-align: center; color: var(--white); padding: 0 24px; max-width: 800px; }
.hero-badge { display: inline-block; background: rgba(0,168,232,0.2); color: var(--accent); padding: 6px 20px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; border: 1px solid rgba(0,168,232,0.4); }
.hero-content h1 { font-family: 'Merriweather', serif; font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; color: var(--white); margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); line-height: 1.3; }
.hero-content p { font-size: 1.1rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--white); padding: 14px 32px; border-radius: 8px; font-weight: 700; font-size: 1rem; border: none; cursor: pointer; transition: all 0.3s; display: inline-block; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,168,232,0.4); }
.btn-secondary { background: transparent; color: var(--white); padding: 14px 32px; border-radius: 8px; font-weight: 700; font-size: 1rem; border: 2px solid rgba(255,255,255,0.5); cursor: pointer; transition: all 0.3s; }
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

/* ===== SECTIONS ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-label { display: inline-block; background: rgba(0,168,232,0.1); color: var(--accent); padding: 4px 16px; border-radius: 20px; font-size: 0.78rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; border: 1px solid rgba(0,168,232,0.3); }
.section-label.light { background: rgba(0,168,232,0.08); }

/* ===== ABOUT ===== */
.about { padding: 100px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 60px; }
.about-image img { border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.12); width: 100%; height: 400px; object-fit: cover; }
.about-text h2 { font-family: 'Merriweather', serif; font-size: 2rem; color: var(--dark); margin-bottom: 20px; line-height: 1.4; }
.about-text > p { color: #555; line-height: 1.9; margin-bottom: 16px; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.highlight { display: flex; align-items: center; gap: 10px; background: var(--light); padding: 12px 16px; border-radius: 8px; }
.highlight i { color: var(--accent); font-size: 1rem; min-width: 18px; }
.highlight span { font-size: 0.9rem; font-weight: 600; color: var(--dark); }
.mission-section { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.mission-card { background: var(--light); border-radius: 16px; padding: 32px; text-align: center; border-top: 4px solid var(--accent); }
.mission-card i { font-size: 2rem; color: var(--accent); margin-bottom: 16px; }
.mission-card h3 { font-family: 'Merriweather', serif; font-size: 1.1rem; color: var(--dark); margin-bottom: 12px; }
.mission-card p { color: #666; font-size: 0.9rem; line-height: 1.8; }

/* ===== PROGRAMS ===== */
.programs { padding: 100px 0; background: var(--light); }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-family: 'Merriweather', serif; font-size: 2rem; color: var(--dark); margin-bottom: 12px; }
.section-header p { color: #666; max-width: 600px; margin: 0 auto; line-height: 1.8; }
.programs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 50px; }
.prog-card { background: var(--white); border-radius: 16px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: transform 0.3s, box-shadow 0.3s; position: relative; }
.prog-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.prog-icon { position: absolute; top: 16px; left: 16px; width: 44px; height: 44px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 10px; display: flex; align-items: center; justify-content: center; z-index: 1; }
.prog-icon i { font-size: 1.1rem; color: var(--white); }
.prog-card img { width: 100%; height: 200px; object-fit: cover; }
.prog-body { padding: 24px; }
.prog-tag { display: inline-block; background: rgba(0,168,232,0.1); color: var(--accent); padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 700; margin-bottom: 10px; }
.prog-body h3 { font-family: 'Merriweather', serif; font-size: 1.1rem; color: var(--dark); margin-bottom: 10px; }
.prog-body p { color: #666; font-size: 0.9rem; line-height: 1.7; margin-bottom: 14px; }
.prog-link { color: var(--accent); font-size: 0.9rem; font-weight: 700; display: flex; align-items: center; gap: 6px; transition: gap 0.2s; }
.prog-link:hover { gap: 10px; }
.involvement-section { background: var(--white); border-radius: 24px; padding: 50px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.inv-header { text-align: center; margin-bottom: 36px; }
.inv-header h3 { font-family: 'Merriweather', serif; font-size: 1.8rem; color: var(--dark); margin-bottom: 10px; }
.inv-header p { color: #666; }
.inv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 36px; }
.inv-card { text-align: center; padding: 24px 16px; background: var(--light); border-radius: 12px; }
.inv-card i { font-size: 2rem; color: var(--accent); margin-bottom: 12px; }
.inv-card h4 { font-weight: 700; font-size: 1rem; color: var(--dark); margin-bottom: 8px; }
.inv-card p { color: #666; font-size: 0.85rem; line-height: 1.6; }

/* ===== CONTACT SECTION ===== */
.contact-section { padding: 100px 0; background: var(--white); }
.contact-section h2 { font-family: 'Merriweather', serif; font-size: 2rem; color: var(--dark); margin-bottom: 40px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info p { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; color: #555; font-size: 1rem; }
.contact-info i { color: var(--accent); margin-top: 3px; min-width: 18px; }
.email-highlight a { color: var(--accent); font-weight: 700; font-size: 1.1rem; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form input, .contact-form textarea {
  padding: 14px 18px; border: 2px solid #e0e8f0; border-radius: 10px;
  font-size: 1rem; font-family: inherit; transition: border-color 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-col h4 { color: var(--accent); font-size: 1rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.footer-col p { margin-bottom: 10px; font-size: 0.9rem; line-height: 1.7; display: flex; align-items: flex-start; gap: 8px; }
.footer-col p i { color: var(--accent); margin-top: 3px; min-width: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-col .email-highlight a { color: var(--accent); font-weight: 700; font-size: 1rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 24px; max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.85rem; }
.scroll-top { background: linear-gradient(135deg, var(--accent), var(--accent2)); border: none; color: var(--white); width: 40px; height: 40px; border-radius: 8px; cursor: pointer; font-size: 1rem; transition: all 0.3s; }
.scroll-top:hover { opacity: 0.9; transform: translateY(-2px); }

/* ===== MODAL ===== */
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 3000; align-items: center; justify-content: center; }
.modal.show { display: flex; }
.modal-content { background: var(--white); border-radius: 20px; padding: 40px; max-width: 500px; width: 90%; position: relative; }
.modal-content h3 { font-family: 'Merriweather', serif; font-size: 1.5rem; color: var(--dark); margin-bottom: 12px; }
.modal-content p { color: #666; margin-bottom: 24px; }
.modal-content form { display: flex; flex-direction: column; gap: 14px; }
.modal-content input, .modal-content select, .modal-content textarea {
  padding: 12px 16px; border: 2px solid #e0e8f0; border-radius: 10px; font-size: 1rem; font-family: inherit;
}
.modal-content input:focus, .modal-content select:focus, .modal-content textarea:focus { outline: none; border-color: var(--accent); }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 1.3rem; cursor: pointer; color: #999; }
.success-modal { text-align: center; }
.success-modal i { font-size: 4rem; color: var(--accent2); margin-bottom: 16px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .mission-section, .programs-grid { grid-template-columns: 1fr 1fr; }
  .inv-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav { display: none; }
  .hamburger { display: block; }
  .mission-section, .programs-grid, .inv-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 1.8rem; }
}