:root{ --brand-blue:#0a3d62; --brand-blue-2:#06406b; --accent:#00a8e8; --text:#1f2937; --muted:#e9f3fb; --bg:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 1rem}
a{color:var(--brand-blue);text-decoration:none}
a:hover{text-decoration:underline}

/* Header (blue) */
.topbar{background:linear-gradient(90deg,var(--brand-blue),var(--brand-blue-2));position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.6rem 0}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-logo{width:40px;height:40px;border-radius:8px;background:url('../img/logo.jpg') center/cover no-repeat;box-shadow:0 0 0 2px rgba(255,255,255,.25) inset}
.brand-name{font-weight:700;color:#fff;letter-spacing:.2px}
.menu{display:flex;gap:.25rem}
.menu a{padding:.45rem .7rem;border-radius:6px;font-weight:600;color:#e6f2fa}
.menu a.active, .menu a:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none}
.burger{display:none;background:none;border:0;font-size:1.5rem;color:#fff}

/* Hero (thinner) */
.hero{position:relative;min-height:34vh;display:grid;place-items:center;color:white;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.35)), url('../img/electric_boat_w.jpg') center/cover no-repeat;filter:saturate(.95)}
.hero-inner{position:relative;z-index:1;text-align:center;padding:2rem 1rem}
.hero h1{margin:0;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}
.hero p{margin:.5rem auto 0;max-width:850px;font-size:clamp(.95rem,1.4vw,1.15rem)}
.hero .cta{margin-top:.9rem;display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;background:white;color:var(--brand-blue);padding:.55rem .9rem;border-radius:8px;font-weight:700;border:1px solid #e5e7eb}
.btn.primary{background:var(--accent);color:#003049;border:none}

/* Layout */
.section{padding:2rem 0}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.25rem}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}
.stack{display:flex;flex-direction:column;gap:1rem}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 1px 2px rgba(0,0,0,.06);padding:1.1rem}
.card h3{margin-top:0}
.list{margin:.5rem 0 0 0;padding-left:1.25rem}
.list li{margin:.35rem 0}

/* Profile */
.profile{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden}
.profile img{width:100%;display:block}
.profile .caption{padding:1rem;border-top:1px solid #e5e7eb}
.profile .caption strong{display:block;margin-bottom:.25rem}
.profile .bullets{margin:.5rem 0 0 0;padding-left:1.25rem}

/* Images */
.feature-img, .contact-img{width:100%;height:auto;border-radius:12px;box-shadow:0 6px 20px rgba(0,0,0,.08)}

/* Footer (blue) */
footer{background:linear-gradient(90deg,var(--brand-blue-2),var(--brand-blue));padding:1rem 0;color:#e6f2fa}
footer a{color:#fff}

/* Contact */
.contact-card{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-start}
.contact-card .info{flex:1 1 280px}
.contact-card .actions{flex:1 1 220px}

/* Responsive */
@media (max-width: 900px){ .col-6{grid-column:span 12} .col-4{grid-column:span 12} .section{padding:1.5rem 0} }
@media (max-width: 720px){ .menu{display:none} .burger{display:inline-block} }