* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body { display: flex; flex-direction: column; font-family: 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }

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

header { background: #fff; padding: 20px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.1); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; }
.logo { font-size: 1.5rem; font-weight: bold; color: #005f73; padding-left: 20px; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: #005f73; padding-right: 20px; }
nav ul { display: flex; list-style: none; padding-right: 20px; }
nav ul li { margin-left: 25px; }
nav ul li a { text-decoration: none; color: #333; font-weight: 600; transition: color 0.3s; }
nav ul li a:hover { color: #0a9396; }

.hero-about { height: 25vh; background: linear-gradient(rgba(0,95,115,0.85), rgba(10,147,150,0.85)), url('https://images.unsplash.com/photo-1551076805-e186a03365b1?q=80&w=2000'); background-size: cover; background-position: center; display: flex; justify-content: center; align-items: center; color: white; }
.hero-about h1 { font-size: 2rem; letter-spacing: 2px; text-transform: uppercase; }

main { flex: 1; padding: 60px 20px; }
.about-grid { display: flex; flex-direction: column; gap: 60px; max-width: 900px; margin: 0 auto; }
.profile { display: flex; gap: 40px; align-items: flex-start; }
.profile-img { width: 200px; height: 200px; background: #eee; border-radius: 50%; flex-shrink: 0; overflow: hidden; border: 4px solid #f4f7f6; }
.profile-text h2 { color: #005f73; margin-bottom: 10px; }
.profile-text p { margin-bottom: 15px; }

footer { background-color: #005f73; color: white; padding: 30px 20px; text-align: center; }

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    nav ul { display: none; position: absolute; top: 70px; left: 0; width: 100%; background: #fff; flex-direction: column; text-align: center; box-shadow: 0 5px 10px rgba(0,0,0,0.1); padding: 20px 0; }
    nav ul.show { display: flex; }
    nav ul li { margin: 15px 0; }
    .profile { flex-direction: column; align-items: center; text-align: center; }
    .hero-about { height: 20vh; }
}