:root{--navy:#0f3556;--blue:#1e78a8;--teal:#24b8c7;--light:#f5f9fc;--text:#1b2633;--muted:#607083;--white:#fff;--shadow:0 18px 45px rgba(15,53,86,.14);--radius:24px}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.6;background:var(--white)}a{color:inherit}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:18px 6%;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(0,0,0,.06)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;font-weight:800}.brand small{display:block;color:var(--muted);font-size:.82rem}.nav{display:flex;align-items:center;gap:24px}.nav a{text-decoration:none;font-weight:700;color:var(--navy)}.nav-cta{background:var(--navy);color:#fff!important;padding:10px 16px;border-radius:999px}.hero{display:grid;grid-template-columns:minmax(0,1.5fr) 360px;gap:36px;padding:82px 6%;background:linear-gradient(135deg,#e8f8fb 0%,#f7fbff 48%,#fff 100%)}.eyebrow{margin:0 0 10px;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.82rem}.hero h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.05;margin:0 0 22px;color:var(--navy)}.hero-text{font-size:1.22rem;max-width:780px;color:#35475a}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.button{display:inline-block;text-decoration:none;padding:14px 20px;border-radius:999px;font-weight:800}.primary{background:var(--navy);color:#fff}.secondary{background:#fff;color:var(--navy);border:2px solid #cfe6ef}.hero-card{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);align-self:start;text-align:center}.hero-card img{width:185px;height:185px;object-fit:cover;border-radius:50%;border:6px solid #e9f5fa}.hero-card h2{color:var(--navy);margin-bottom:6px}.section{padding:70px 6%}.about{display:grid;grid-template-columns:1fr 1.3fr;gap:42px}.section h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.15;margin:0 0 18px;color:var(--navy)}.about-text{font-size:1.1rem;color:#34495e}.cards-section,.audience,.testimonials{background:var(--light)}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}.card{background:#fff;border-radius:20px;padding:26px;box-shadow:0 12px 28px rgba(15,53,86,.09)}.card h3,.topic-columns h3{margin-top:0;color:var(--navy)}.topics{display:grid;grid-template-columns:360px 1fr;gap:42px}.topic-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-columns>div{background:#fff;border:1px solid #dcebf2;border-radius:20px;padding:24px}.topic-columns ul{margin:0;padding-left:20px}.pill-grid{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}.pill-grid span{background:#fff;border:1px solid #dcebf2;border-radius:999px;padding:12px 18px;font-weight:700;color:var(--navy)}.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}blockquote{margin:0;background:#fff;border-left:5px solid var(--teal);border-radius:16px;padding:24px;font-size:1.02rem;box-shadow:0 10px 24px rgba(0,0,0,.06)}.certification{display:grid;grid-template-columns:1fr 390px;gap:36px;align-items:center}.certification img{width:100%;border-radius:16px;box-shadow:var(--shadow)}.contact{margin:50px 6% 70px;padding:50px;border-radius:30px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:30px}.contact h2,.contact .eyebrow{color:#fff}.contact-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:22px;padding:28px;display:grid;gap:12px}.contact-card a{font-size:1.2rem;font-weight:800}.footer{text-align:center;padding:24px;color:var(--muted);background:#f0f5f8}@media(max-width:900px){.site-header{position:static;align-items:flex-start;gap:14px;flex-direction:column}.nav{flex-wrap:wrap;gap:14px}.hero,.about,.topics,.certification,.contact{grid-template-columns:1fr}.card-grid,.topic-columns,.testimonial-grid{grid-template-columns:1fr}.hero{padding-top:48px}.contact{margin-left:4%;margin-right:4%;padding:34px}.section{padding:52px 6%}}