/* GLOBAL */
body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #ffffff;
    color: #222;
    line-height: 1.7;
}

/* WAVE ANIMATION */
.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 120px;
    background: url("data:image/svg+xml;utf8,<svg width='1440' height='120' xmlns='http://www.w3.org/2000/svg'><path d='M0 67 C 273 183 441 -49 720 67 C 999 183 1167 -49 1440 67 V 120 H 0 Z' fill='%23ffffff'/></svg>");
    background-size: 50% 120px;
    animation: waveMove 8s linear infinite;
    opacity: 0.9;
}

@keyframes waveMove {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* HERO */
.hero {
    background: url('https://github.com/urpatuci/underwaterroboticsprojectatuci/blob/main/ChatGPT%20Image%20Feb%2012,%202026,%2002_31_32%20PM.png?raw=true') center/cover no-repeat;
    padding: 120px 20px;
    text-align: center;
    color: white;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}

.hero h1, .hero p {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

/* MAIN CONTENT */
.container {
    max-width: 850px;
    margin: 60px auto;
    padding: 0 20px;
}

/* SECTION HEADERS */
.section-title {
    font-size: 1.8rem;
    margin-top: 60px;
    margin-bottom: 10px;
    font-weight: 600;
    border-bottom: 2px solid #003a70;
    padding-bottom: 6px;
}

/* LISTS */
ul {
    padding-left: 20px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 25px;
    background: #e6e9ef;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #003a70;
}