/* ===== Global Reset & Variables ===== */
:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --accent: #d4a843;
  --accent-hover: #c09530;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --text-dark: #1a1a2e;
  --text-gray: #6c757d;
  --text-light: #f8f9fa;
  --border: #e0e0e0;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 8px;
  --max-width: 1200px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--font); color:var(--text-dark); line-height:1.7; background:var(--bg-white); }
a { color:var(--primary-light); text-decoration:none; transition:color .2s; }
a:hover { color:var(--accent); }
img { max-width:100%; height:auto; }
.container { max-width:var(--max-width); margin:0 auto; padding:0 20px; }
.section { padding:80px 0; }
.section-title { font-size:2rem; color:var(--primary); text-align:center; margin-bottom:15px; }
.section-subtitle { text-align:center; color:var(--text-gray); margin-bottom:50px; font-size:1.1rem; }
.btn {
  display:inline-block; padding:14px 36px; border-radius:50px; font-size:1rem; font-weight:600;
  cursor:pointer; transition:all .3s; border:none; text-align:center;
}
.btn-primary { background:var(--accent); color:var(--primary); }
.btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 4px 15px rgba(212,168,67,0.4); }
.btn-outline { background:transparent; color:var(--primary); border:2px solid var(--primary); }
.btn-outline:hover { background:var(--primary); color:var(--text-light); }

/* ===== Sticky Nav ===== */
.navbar {
  position:sticky; top:0; z-index:1000; background:var(--bg-white);
  box-shadow:0 2px 10px rgba(0,0,0,0.06); padding:0 20px;
}
.navbar .container { display:flex; align-items:center; justify-content:space-between; height:70px; }
.navbar .logo { font-size:1.5rem; font-weight:700; color:var(--primary); }
.navbar .logo span { color:var(--accent); }
.nav-links { display:flex; list-style:none; gap:30px; align-items:center; }
.nav-links a { color:var(--text-dark); font-weight:500; font-size:0.95rem; padding:5px 0; position:relative; }
.nav-links a::after {
  content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:var(--accent);
  transition:width .3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width:100%; }
.nav-links a.active { color:var(--primary); }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:5px; }
.hamburger span { width:25px; height:3px; background:var(--primary); border-radius:3px; transition:.3s; }

/* ===== Hero ===== */
.hero {
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color:var(--text-light); padding:120px 0 100px; text-align:center;
}
.hero h1 { font-size:3rem; margin-bottom:20px; font-weight:700; }
.hero p { font-size:1.2rem; opacity:.9; max-width:700px; margin:0 auto 40px; }
.hero .btn { margin:5px; }

/* ===== Cards Grid ===== */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:30px; }
.card {
  background:var(--bg-white); border-radius:var(--radius); box-shadow:var(--shadow);
  overflow:hidden; transition:all .3s; border:1px solid var(--border);
}
.card:hover { box-shadow:var(--shadow-hover); transform:translateY(-5px); }
.card-body { padding:30px; }
.card-body h3 { color:var(--primary); margin-bottom:12px; font-size:1.2rem; }
.card-body p { color:var(--text-gray); font-size:0.95rem; margin-bottom:15px; }
.card-icon { font-size:2.5rem; margin-bottom:15px; }

/* ===== Stats ===== */
.stats { background:var(--primary); color:var(--text-light); padding:60px 0; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:30px; text-align:center; }
.stat-item h3 { font-size:2.5rem; color:var(--accent); margin-bottom:5px; }
.stat-item p { opacity:.85; font-size:1rem; }

/* ===== Features ===== */
.features-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:25px; }
.feature-item { text-align:center; padding:35px 20px; background:var(--bg-light); border-radius:var(--radius); }
.feature-item .icon { font-size:2.2rem; margin-bottom:15px; }
.feature-item h4 { color:var(--primary); margin-bottom:10px; }
.feature-item p { color:var(--text-gray); font-size:0.9rem; }

/* ===== Page Header ===== */
.page-header {
  background:linear-gradient(135deg, var(--primary), var(--primary-light));
  color:var(--text-light); padding:80px 0 60px; text-align:center;
}
.page-header h1 { font-size:2.5rem; margin-bottom:10px; }
.page-header p { opacity:.85; font-size:1.1rem; }

/* ===== Breadcrumb ===== */
.breadcrumb { padding:15px 0; background:var(--bg-light); }
.breadcrumb ol { list-style:none; display:flex; gap:10px; font-size:0.9rem; color:var(--text-gray); }
.breadcrumb ol li+li::before { content:'›'; margin-right:10px; color:var(--accent); }
.breadcrumb a { color:var(--primary-light); }

/* ===== Table ===== */
.table-wrap { overflow-x:auto; margin:25px 0; }
table { width:100%; border-collapse:collapse; font-size:0.95rem; }
table th { background:var(--primary); color:var(--text-light); padding:14px 16px; text-align:left; }
table td { padding:12px 16px; border-bottom:1px solid var(--border); }
table tr:nth-child(even) { background:var(--bg-light); }

/* ===== FAQ ===== */
.faq-item { border:1px solid var(--border); border-radius:var(--radius); margin-bottom:12px; overflow:hidden; }
.faq-question {
  padding:18px 24px; cursor:pointer; font-weight:600; color:var(--primary);
  display:flex; justify-content:space-between; align-items:center; background:var(--bg-light);
  transition:background .3s;
}
.faq-question:hover { background:#eef1f5; }
.faq-question::after { content:'+'; font-size:1.3rem; transition:transform .3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-answer { padding:0 24px; max-height:0; overflow:hidden; transition:max-height .3s,padding .3s; }
.faq-item.open .faq-answer { padding:18px 24px; max-height:500px; }
.faq-answer p { color:var(--text-gray); }

/* ===== Contact Form ===== */
.contact-form { max-width:600px; margin:0 auto; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; margin-bottom:6px; font-weight:600; color:var(--primary); font-size:0.95rem; }
.form-group label .required { color:#e74c3c; }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:12px 16px; border:1px solid var(--border); border-radius:var(--radius);
  font-size:1rem; font-family:var(--font); transition:border-color .3s;
}
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--accent); }
.form-group textarea { min-height:120px; resize:vertical; }
.form-group .error-msg { color:#e74c3c; font-size:0.85rem; margin-top:5px; display:none; }
.honeypot { display:none; }
.gdpr { font-size:0.9rem; color:var(--text-gray); margin:20px 0; }
.gdpr input { width:auto; margin-right:8px; }

/* ===== Footer ===== */
.footer { background:var(--primary); color:var(--text-light); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer h4 { color:var(--accent); margin-bottom:20px; font-size:1.1rem; }
.footer p, .footer a { color:rgba(255,255,255,.75); font-size:0.9rem; }
.footer a:hover { color:var(--accent); }
.footer ul { list-style:none; }
.footer ul li { margin-bottom:10px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding:20px 0; margin-top:40px; text-align:center; font-size:0.85rem; color:rgba(255,255,255,.6); }
.social-icons { display:flex; gap:15px; margin-top:15px; }
.social-icons a { display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.1); transition:background .3s; }
.social-icons a:hover { background:var(--accent); }
.back-to-top { position:fixed; bottom:30px; right:30px; width:50px; height:50px; border-radius:50%; background:var(--accent); color:var(--primary); border:none; font-size:1.3rem; cursor:pointer; box-shadow:0 4px 15px rgba(212,168,67,.3); transition:all .3s; display:none; }
.back-to-top:hover { transform:translateY(-3px); }

/* ===== Certification Grid ===== */
.cert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:25px; }
.cert-card { text-align:center; padding:40px 25px; background:var(--bg-white); border:1px solid var(--border); border-radius:var(--radius); transition:all .3s; }
.cert-card:hover { box-shadow:var(--shadow-hover); }
.cert-card .cert-icon { font-size:3rem; margin-bottom:15px; }
.cert-card h4 { color:var(--primary); margin-bottom:8px; }
.cert-card p { color:var(--text-gray); font-size:0.9rem; }

/* ===== Timeline ===== */
.timeline { position:relative; padding:20px 0; }
.timeline::before { content:''; position:absolute; left:20px; top:0; bottom:0; width:3px; background:var(--accent); }
.timeline-item { padding-left:55px; position:relative; margin-bottom:40px; }
.timeline-item::before { content:''; position:absolute; left:12px; top:5px; width:19px; height:19px; border-radius:50%; background:var(--accent); border:3px solid var(--primary); }
.timeline-item .year { font-weight:700; color:var(--accent); font-size:1.1rem; }
.timeline-item h4 { color:var(--primary); margin:5px 0 8px; }
.timeline-item p { color:var(--text-gray); }

/* ===== CTA Section ===== */
.cta-section { background:linear-gradient(135deg, var(--primary), var(--primary-light)); color:var(--text-light); text-align:center; padding:80px 0; }
.cta-section h2 { font-size:2rem; margin-bottom:15px; }
.cta-section p { opacity:.9; margin-bottom:30px; }

/* ===== Responsive ===== */
@media(max-width:968px) {
  .footer-grid { grid-template-columns:1fr 1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .hero h1 { font-size:2.2rem; }
  .hero { padding:80px 0 60px; }
}
@media(max-width:768px) {
  .hamburger { display:flex; }
  .nav-links { display:none; position:absolute; top:70px; left:0; right:0; background:var(--bg-white); flex-direction:column; padding:20px; box-shadow:0 10px 20px rgba(0,0,0,.1); gap:15px; }
  .nav-links.open { display:flex; }
  .cards-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .section { padding:50px 0; }
  .hero h1 { font-size:1.8rem; }
  .page-header h1 { font-size:1.8rem; }
  .stats-grid { grid-template-columns:1fr 1fr; gap:20px; }
  .features-grid { grid-template-columns:1fr 1fr; }
}