/* about.css */
:root {
  --primary-color: #0066cc;
  --secondary-color: #004080;
  --accent-color: #00b894;
  --background: #f8fafc;
  --text-color: #1e293b;
  --text-light: #475569;
  --white: #ffffff;
  --card-bg: #ffffff;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  --border-color: #e2e8f0;
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #0f172a;
  --footer-text: #cbd5e1;
  --hero-overlay: rgba(0, 0, 0, 0.6);
  --transition: all 0.3s ease;
  --danger: #ef4444;
}

body.dark-mode {
  --primary-color: #3399ff;
  --secondary-color: #1a73e8;
  --accent-color: #00b894;
  --background: #0f172a;
  --text-color: #f1f5f9;
  --text-light: #cbd5e1;
  --white: #1e293b;
  --card-bg: #1e293b;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --border-color: #334155;
  --navbar-bg: rgba(15, 23, 42, 0.95);
  --footer-bg: #020617;
  --footer-text: #94a3b8;
  --hero-overlay: rgba(0, 0, 0, 0.75);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; background: var(--background); color: var(--text-color); line-height: 1.6; transition: background 0.3s, color 0.3s; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; padding: 0 15px; }
.section-padding { padding: 80px 0; }
.bg-light { background: rgba(0,0,0,0.02); }
body.dark-mode .bg-light { background: rgba(255,255,255,0.02); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Buttons */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.btn-primary:hover { background: var(--secondary-color); border-color: var(--secondary-color); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,102,204,0.4); }
.btn-outline-white { background: transparent; color: #fff; border-color: #fff; }
.btn-outline-white:hover { background: #fff; color: var(--primary-color); transform: translateY(-2px); }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.icon-btn { background: transparent; border: none; color: var(--text-color); font-size: 1.3rem; cursor: pointer; padding: 8px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.icon-btn:hover { background: rgba(0,0,0,0.05); }
body.dark-mode .icon-btn:hover { background: rgba(255,255,255,0.1); }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; width: 100%; background: var(--navbar-bg); backdrop-filter: blur(10px); box-shadow: 0 2px 15px rgba(0,0,0,0.05); z-index: 1000; transition: var(--transition); }
.navbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.6rem; font-weight: 700; color: var(--primary-color); z-index: 1001; }
.logo i { font-size: 2rem; }
.nav-menu .nav-list { display: flex; gap: 32px; align-items: center; }
.nav-link { font-weight: 500; color: var(--text-color); padding: 5px 0; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--primary-color); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.desktop-login-btn { display: inline-block; }
.mobile-only { display: none; }
.lang-text { font-size: 0.8rem; font-weight: 600; margin-left: 4px; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; width: 40px; height: 40px; background: transparent; border: none; cursor: pointer; padding: 8px; z-index: 1001; position: relative; }
.hamburger-line { display: block; width: 24px; height: 3px; background: var(--text-color); border-radius: 3px; transition: all 0.3s ease-in-out; position: absolute; }
.hamburger-line:nth-child(1) { transform: translateY(-8px); }
.hamburger-line:nth-child(2) { transform: translateY(0); }
.hamburger-line:nth-child(3) { transform: translateY(8px); }
.hamburger.active .hamburger-line:nth-child(1) { transform: translateY(0) rotate(45deg); }
.hamburger.active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.active .hamburger-line:nth-child(3) { transform: translateY(0) rotate(-45deg); }
.menu-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; visibility: hidden; transition: all 0.3s; }
.menu-overlay.active { opacity: 1; visibility: visible; }

/* Hero */
.about-hero { height: 50vh; min-height: 350px; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; overflow: hidden; }
.hero-bg-image { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; z-index: 0; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--hero-overlay); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.hero-subtitle { font-size: 1.2rem; opacity: 0.9; }

/* Sections */
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 2rem; font-weight: 700; }

/* About Content */
.about-content { max-width: 700px; margin: 0 auto; text-align: center; }
.about-content p { color: var(--text-light); font-size: 1.05rem; }

/* Mission & Vision */
.mission-vision-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.mv-card { background: var(--card-bg); padding: 35px 25px; border-radius: 14px; box-shadow: var(--card-shadow); text-align: center; transition: var(--transition); border-top: 4px solid var(--primary-color); }
.mv-card:hover { transform: translateY(-6px); }
.mv-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 15px; }
.mv-card h3 { margin-bottom: 10px; }
.mv-card p { color: var(--text-light); font-size: 0.95rem; }

/* Core Values */
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.value-card { background: var(--card-bg); padding: 25px 15px; border-radius: 12px; box-shadow: var(--card-shadow); text-align: center; transition: var(--transition); border: 1px solid var(--border-color); }
.value-card:hover { transform: translateY(-5px); border-color: var(--primary-color); }
.value-card i { font-size: 2rem; color: var(--accent-color); margin-bottom: 10px; }
.value-card h3 { font-size: 0.95rem; }

/* Timeline */
.timeline { max-width: 650px; margin: 0 auto; position: relative; padding-left: 35px; }
.timeline::before { content: ''; position: absolute; left: 16px; top: 0; bottom: 0; width: 3px; background: var(--primary-color); border-radius: 3px; }
.timeline-item { position: relative; margin-bottom: 25px; padding-left: 20px; }
.timeline-number { position: absolute; left: -35px; top: 0; width: 35px; height: 35px; background: var(--primary-color); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.95rem; z-index: 2; }
.timeline-content { background: var(--card-bg); padding: 15px 20px; border-radius: 10px; box-shadow: var(--card-shadow); }
.timeline-content h3 { color: var(--primary-color); font-size: 0.95rem; margin-bottom: 3px; }
.timeline-content p { color: var(--text-light); font-size: 0.85rem; }

/* Benefits */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 25px; }
.benefit-card { background: var(--card-bg); padding: 25px 20px; border-radius: 14px; box-shadow: var(--card-shadow); text-align: center; transition: var(--transition); border: 1px solid var(--border-color); }
.benefit-card:hover { transform: translateY(-5px); }
.benefit-card i { font-size: 2rem; color: var(--primary-color); margin-bottom: 12px; }
.benefit-card h3 { margin-bottom: 6px; font-size: 1rem; }
.benefit-card p { color: var(--text-light); font-size: 0.85rem; }

/* Stats */
.stats { background: var(--primary-color); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 25px; text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 700; display: block; }
.stat-label { font-size: 0.95rem; opacity: 0.9; }

/* FAQ */
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { margin-bottom: 10px; border-radius: 10px; overflow: hidden; background: var(--card-bg); box-shadow: var(--card-shadow); }
.faq-question { width: 100%; padding: 16px 20px; background: none; border: none; text-align: left; font-size: 1rem; font-weight: 600; color: var(--text-color); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: 'Poppins', sans-serif; }
.faq-question:hover { background: rgba(0,102,204,0.03); }
.faq-question i { color: var(--primary-color); transition: transform 0.3s; }
.faq-question[aria-expanded="true"] i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s, padding 0.4s; }
.faq-answer p { padding: 0 20px 16px; color: var(--text-light); font-size: 0.9rem; }
.faq-item.active .faq-answer { max-height: 200px; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); color: #fff; text-align: center; }
.cta-content h2 { font-size: 2rem; margin-bottom: 10px; }
.cta-content p { margin-bottom: 25px; opacity: 0.9; }
.cta-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--footer-bg); color: var(--footer-text); padding: 25px 0; }
.footer-bottom { text-align: center; font-size: 0.85rem; }

/* Back to Top */
.back-to-top { position: fixed; bottom: 30px; right: 30px; background: var(--primary-color); color: #fff; width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: none; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--transition); z-index: 997; box-shadow: 0 4px 15px rgba(0,102,204,0.4); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* Scroll Reveal */
.scroll-reveal { opacity: 0; transform: translateY(25px); transition: opacity 0.5s, transform 0.5s; }
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }

/* Loading States */
.loading-shimmer { background: linear-gradient(90deg, var(--border-color) 25%, var(--card-bg) 50%, var(--border-color) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Responsive */
@media (max-width: 992px) {
  .hamburger { display: flex; }
  .nav-menu { position: fixed; top: 0; right: -100%; width: 280px; max-width: 80%; height: 100vh; background: var(--card-bg); box-shadow: -5px 0 30px rgba(0,0,0,0.15); z-index: 999; transition: right 0.4s; display: flex; flex-direction: column; padding: 90px 25px 25px; overflow-y: auto; }
  .nav-menu.active { right: 0; }
  .nav-menu .nav-list { flex-direction: column; gap: 0; }
  .nav-menu .nav-list li { border-bottom: 1px solid var(--border-color); }
  .nav-link { display: block; padding: 14px 10px; font-size: 1.05rem; }
  .mobile-only { display: block; }
  .mobile-login-btn { width: 100%; text-align: center; margin-top: 10px; }
  .desktop-login-btn { display: none; }
  .hero-title { font-size: 2rem; }
}
@media (max-width: 600px) {
  .nav-menu { width: 100%; max-width: 100%; }
  .hero-title { font-size: 1.7rem; }
  .section-header h2 { font-size: 1.6rem; }
  .section-padding { padding: 60px 0; }
  .about-hero { height: 40vh; min-height: 280px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}