:root {
    --navy: #06283d;
    --deep: #07456f;
    --ocean: #0a7aa6;
    --cyan: #23b7d9;
    --foam: #e9fbff;
    --mist: #f4fbfd;
    --ink: #10293b;
    --muted: #64798a;
    --line: #d7edf3;
    --white: #ffffff;
    --shadow: 0 22px 54px rgba(6, 40, 61, 0.13);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--mist);
    font-family: "Segoe UI", Arial, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}

.ocean-top {
    color: #dff8ff;
    background: var(--navy);
    font-size: 14px;
    padding: 8px 0;
}

.ocean-top a {
    color: #dff8ff;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--deep);
    font-weight: 850;
}

.brand-wave {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(145deg, var(--deep), var(--cyan));
    border-radius: 16px 16px 16px 4px;
}

.navbar-brand small {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.1;
}

.nav-link {
    color: #31495b;
    font-weight: 750;
}

.nav-link:hover,
.nav-link.active {
    color: var(--ocean);
}

.nav-action {
    color: #fff !important;
    background: var(--ocean);
    border-radius: 10px;
    padding-inline: 16px !important;
}

.hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 85% 12%, rgba(35, 183, 217, 0.45), transparent 28%),
        linear-gradient(135deg, rgba(6, 40, 61, 0.96), rgba(7, 69, 111, 0.86)),
        url("https://images.unsplash.com/photo-1584982751601-97dcc096659c?q=80&w=1800&auto=format&fit=crop") center/cover;
    padding: 92px 0 110px;
}

.hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 86px;
    background: linear-gradient(175deg, transparent 0 48%, var(--mist) 49% 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #dff8ff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 8px 13px;
    font-size: 13px;
    font-weight: 850;
    text-transform: uppercase;
}

.section .kicker {
    color: var(--ocean);
    background: #dff8ff;
    border-color: var(--line);
}

.hero h1 {
    max-width: 900px;
    font-size: clamp(2.4rem, 5vw, 5.1rem);
    font-weight: 900;
    line-height: 1.02;
    margin: 18px 0;
}

.hero p,
.section-lead,
.ocean-card p,
.notice-card p,
.director-card p {
    color: var(--muted);
    line-height: 1.75;
}

.hero p {
    max-width: 720px;
    color: #e5fbff;
    font-size: 1.12rem;
}

.btn-ocean,
.btn-foam {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 11px 20px;
    font-weight: 850;
}

.btn-ocean {
    color: #fff;
    background: linear-gradient(135deg, var(--ocean), var(--cyan));
    box-shadow: 0 16px 30px rgba(35, 183, 217, 0.22);
}

.btn-foam {
    color: var(--deep);
    background: #fff;
}

.quick-dock {
    position: relative;
    z-index: 2;
    margin-top: -64px;
}

.dock-card {
    min-height: 118px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow);
    font-weight: 850;
}

.dock-card i {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--ocean);
    border-radius: 15px;
    flex: 0 0 auto;
}

.section {
    padding: 84px 0;
}

.section-title {
    color: var(--navy);
    font-size: clamp(2rem, 4vw, 3.45rem);
    font-weight: 900;
    line-height: 1.1;
    margin: 12px 0;
}

.ocean-card,
.notice-card,
.director-card,
.resource-panel {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 14px 36px rgba(6, 40, 61, 0.07);
}

.ocean-card {
    height: 100%;
    padding: 28px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ocean-card:hover,
.dock-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.ocean-card i {
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--deep);
    background: var(--foam);
    border-radius: 16px;
    font-size: 1.35rem;
    margin-bottom: 18px;
}

.ocean-card h3,
.notice-card h3,
.director-card h3 {
    color: var(--ink);
    font-size: 1.18rem;
    font-weight: 850;
}

.stats-current {
    color: #fff;
    background:
        linear-gradient(135deg, rgba(7, 69, 111, 0.94), rgba(10, 122, 166, 0.9)),
        url("https://images.unsplash.com/photo-1576091160399-112ba8d25d1d?q=80&w=1800&auto=format&fit=crop") center/cover;
    padding: 64px 0;
}

.sea-stat {
    text-align: center;
}

.sea-stat strong {
    display: block;
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1;
}

.sea-stat span {
    color: #dff8ff;
    font-weight: 750;
}

.notice-card {
    padding: 24px;
}

.notice-card h3 {
    color: var(--deep);
    margin-bottom: 16px;
}

.notice-item {
    display: grid;
    grid-template-columns: 78px 1fr;
    gap: 15px;
    border-bottom: 1px solid var(--line);
    padding: 15px 0;
}

.notice-item:last-child {
    border-bottom: 0;
}

.notice-date {
    color: var(--deep);
    background: var(--foam);
    border-radius: 14px;
    text-align: center;
    padding: 10px 6px;
    font-weight: 900;
}

.notice-date small {
    display: block;
    color: var(--muted);
}

.notice-item strong {
    color: var(--ink);
    display: block;
    line-height: 1.35;
}

.director-card {
    overflow: hidden;
}

.director-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.director-card div {
    padding: 24px;
}

.resource-panel {
    padding: 24px;
}

.resource-panel a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--deep);
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
    font-weight: 850;
}

.resource-panel a:last-child {
    border-bottom: 0;
}

footer {
    color: #dff8ff;
    background: var(--navy);
    padding: 48px 0 18px;
}

footer h3,
footer h4 {
    color: #fff;
    font-weight: 850;
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 34px;
    padding-top: 16px;
}

@media (max-width: 767.98px) {
    .hero,
    .section {
        padding: 60px 0;
    }

    .quick-dock {
        margin-top: 18px;
    }
}