:root {
    --navy-950: #061225;
    --navy-900: #081b36;
    --navy-800: #123058;
    --ocean-700: #1f5d88;
    --ocean-600: #2b7aaa;
    --ocean-500: #3790c4;
    --steel-700: #405166;
    --steel-500: #6a7a8d;
    --silver-200: #e6edf4;
    --silver-100: #f2f6fa;
    --white: #ffffff;
    --success: #117a4a;
    --danger: #a62727;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-soft: 0 18px 42px rgba(7, 21, 40, 0.14);
    --shadow-card: 0 12px 28px rgba(8, 26, 51, 0.1);
    --transition: all 0.28s ease;
    --max-width: 1160px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Source Sans 3", "Segoe UI", "Helvetica Neue", sans-serif;
    color: var(--navy-900);
    background: linear-gradient(180deg, #f7fbff 0%, #f3f8fd 100%);
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--ocean-700);
    text-decoration: none;
    transition: var(--transition);
}

a:hover,
a:focus-visible {
    color: var(--ocean-500);
}

h1,
h2,
h3,
h4 {
    margin-top: 0;
    color: var(--navy-950);
    font-family: "Barlow Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
    line-height: 1.15;
    letter-spacing: 0.01em;
}

p {
    margin-top: 0;
}

.container {
    width: min(100% - 2.4rem, var(--max-width));
    margin: 0 auto;
}

.section {
    padding: 5.5rem 0;
}

.surface {
    background: var(--silver-100);
}

.eyebrow {
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    font-weight: 700;
    color: var(--ocean-600);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--navy-900);
    color: #fff;
    padding: 0.75rem 1rem;
    z-index: 9999;
}

.skip-link:focus {
    left: 0.8rem;
    top: 0.8rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(10, 28, 52, 0.07);
    backdrop-filter: blur(6px);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 8px 20px rgba(8, 24, 45, 0.11);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 86px;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--navy-950);
    line-height: 1;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ocean-700), var(--navy-800));
    color: #fff;
    font-weight: 700;
    box-shadow: var(--shadow-card);
}

.brand-text {
    max-width: 280px;
    font-weight: 700;
    line-height: 1.05;
}

.brand-logo {
    height: 48px;
    width: auto;
    max-width: min(58vw, 420px);
}

.site-nav {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 0.5rem;
    cursor: pointer;
}

.nav-toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy-900);
    margin: 5px 0;
    transition: var(--transition);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--steel-700);
    font-weight: 600;
}

.nav-menu a.active,
.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--ocean-700);
}

.nav-cta-item {
    margin-left: 0.2rem;
}

.hero,
.page-hero,
.banner {
    position: relative;
    overflow: hidden;
    --hero-bg-image: linear-gradient(135deg, #123258 0%, #0e213e 100%);
}

.hero::before,
.page-hero::before,
.banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(110deg, rgba(4, 16, 33, 0.87), rgba(5, 20, 40, 0.53)),
        var(--hero-bg-image);
    background-size: cover;
    background-position: center;
    transform: scale(1.02);
    z-index: 0;
}

.hero .container,
.page-hero .container,
.banner .container {
    position: relative;
    z-index: 1;
}

.hero {
    min-height: 78vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: end;
}

.hero-content h1 {
    color: #fff;
    font-size: clamp(2.2rem, 3.6vw, 4rem);
    margin-bottom: 1rem;
}

.hero-content .eyebrow,
.hero-content p,
.hero-panel h2,
.hero-panel span {
    color: rgba(255, 255, 255, 0.92);
}

.hero-text {
    max-width: 62ch;
}

.hero-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.7rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.hero-points {
    margin: 0;
    padding-left: 1rem;
    color: rgba(255, 255, 255, 0.86);
}

.hero-points li {
    margin-bottom: 0.45rem;
}

.hero-panel {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    backdrop-filter: blur(6px);
}

.hero-panel h2 {
    margin-bottom: 1.2rem;
}

.panel-stat + .panel-stat {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 0.9rem;
    padding-top: 0.9rem;
}

.panel-stat strong {
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    display: block;
}

.panel-stat span {
    font-size: 0.95rem;
}

.page-hero {
    padding: 7rem 0 5.6rem;
}

.page-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 3vw, 3.2rem);
    margin-bottom: 1rem;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 68ch;
}

.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.media-frame {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
    min-height: 320px;
}

.media-frame-sm {
    min-height: 210px;
}

.section-head {
    max-width: 760px;
    margin-bottom: 2rem;
}

.grid {
    display: grid;
    gap: 1.15rem;
}

.cards-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card,
.feature-card,
.info-card,
.contact-card {
    background: #fff;
    border: 1px solid rgba(12, 35, 64, 0.08);
    border-radius: var(--radius-md);
    padding: 1.35rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.service-card:hover,
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px rgba(8, 28, 52, 0.16);
}

.service-card img {
    width: 52px;
    margin-bottom: 0.75rem;
}

.detail-card h3 {
    margin-bottom: 0.55rem;
}

.info-card h3 {
    margin-bottom: 0.9rem;
}

.check-list {
    margin: 0;
    padding-left: 1.2rem;
}

.check-list li {
    margin-bottom: 0.55rem;
}

.text-link {
    display: inline-flex;
    align-items: center;
    margin-top: 0.8rem;
    font-weight: 700;
}

.text-link::after {
    content: "→";
    margin-left: 0.5rem;
}

.banner {
    padding: 4.4rem 0;
}

.banner-content {
    max-width: 760px;
}

.banner h2,
.banner p,
.banner .eyebrow {
    color: rgba(255, 255, 255, 0.94);
}

.cta-strip {
    background: linear-gradient(130deg, var(--navy-900), var(--ocean-700));
    color: #fff;
}

.cta-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cta-layout h2,
.cta-layout p {
    color: #fff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    padding: 0.8rem 1.35rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.1;
}

.btn-sm {
    padding: 0.62rem 1rem;
    font-size: 0.88rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ocean-700), var(--ocean-500));
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(24, 89, 129, 0.28);
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--navy-900);
}

.btn-light:hover,
.btn-light:focus-visible {
    background: var(--silver-200);
    color: var(--navy-900);
}

.fleet-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.field label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.45rem;
    color: var(--steel-700);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid #bfd0df;
    border-radius: 10px;
    padding: 0.78rem 0.85rem;
    font: inherit;
    color: var(--navy-900);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--ocean-600);
    box-shadow: 0 0 0 3px rgba(58, 146, 196, 0.16);
}

.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(13, 39, 71, 0.08);
    background: #fff;
}

.fleet-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 840px;
}

.fleet-table th,
.fleet-table td {
    padding: 0.88rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid #e7eef5;
    vertical-align: middle;
}

.fleet-table thead th {
    font-family: "Barlow Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.86rem;
    color: var(--steel-700);
    background: #f8fbfe;
}

.fleet-row.hidden-by-filter {
    display: none;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.3rem 0.72rem;
    font-size: 0.78rem;
    font-weight: 700;
}

.status-pill.active {
    background: #e8f8ef;
    color: #176740;
}

.status-pill.planned {
    background: #eef4ff;
    color: #274f99;
}

.status-pill.dock {
    background: #fff3e9;
    color: #975100;
}

.fleet-result {
    margin: 0.8rem 0 0;
    font-weight: 600;
    color: var(--steel-700);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 1.4rem;
    align-items: start;
}

.contact-card h2 {
    margin-bottom: 0.6rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.92rem;
}

.field-full {
    grid-column: span 2;
}

.field-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 1rem 0 0.8rem;
}

.field-checkbox input {
    margin-top: 0.15rem;
    width: auto;
}

.field-error {
    color: var(--danger);
    display: block;
    margin-top: 0.32rem;
    font-size: 0.87rem;
    font-weight: 600;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.alert {
    padding: 0.8rem 0.9rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-weight: 600;
}

.alert-success {
    background: #eaf8f0;
    color: var(--success);
    border: 1px solid #c8ead8;
}

.alert-error {
    background: #ffefef;
    color: var(--danger);
    border: 1px solid #f4c6c6;
}

.contact-sidebar {
    display: grid;
    gap: 1rem;
}

.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.8rem;
}

.contact-list li {
    display: grid;
    gap: 0.2rem;
}

.map-frame {
    border: 1px solid rgba(10, 28, 54, 0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    background: #fff;
}

.map-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.map-frame h3 {
    margin: 0;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid rgba(11, 34, 62, 0.08);
    font-size: 1.16rem;
}

.map-frame iframe {
    width: 100%;
    min-height: 340px;
    border: 0;
}

.site-footer {
    background: linear-gradient(170deg, var(--navy-950), var(--navy-900));
    color: rgba(255, 255, 255, 0.9);
    padding: 4rem 0 1.1rem;
}

.site-footer h2,
.site-footer h3 {
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr;
    gap: 1.4rem;
}

.footer-links,
.footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 1.5rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    text-align: center;
}

.back-to-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    background: var(--navy-900);
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 0.66rem 0.9rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 20px rgba(5, 17, 35, 0.22);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    z-index: 890;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(47, 137, 189, 0.35);
    outline-offset: 2px;
}

@media (max-width: 1120px) {
    .nav-wrap {
        min-height: 78px;
    }

    .brand-logo {
        height: 42px;
        max-width: min(64vw, 360px);
    }

    .cards-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .nav-toggle {
        display: inline-block;
    }

    .nav-menu {
        position: absolute;
        right: 1rem;
        top: calc(100% + 0.5rem);
        background: #fff;
        width: min(320px, calc(100vw - 2rem));
        padding: 1rem;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(12, 34, 61, 0.1);
        flex-direction: column;
        align-items: stretch;
        gap: 0.72rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(10px);
    }

    .site-nav.is-open .nav-menu {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-cta-item {
        margin-left: 0;
    }

    .nav-cta-item .btn {
        width: 100%;
    }

    .hero {
        min-height: 72vh;
        padding: 3.5rem 0;
    }

    .hero-grid,
    .split-content,
    .cta-layout,
    .footer-grid,
    .contact-layout {
        grid-template-columns: 1fr;
        display: grid;
    }

    .cta-layout {
        gap: 1.4rem;
    }

    .cards-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cards-2 {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .field-full {
        grid-column: span 1;
    }

    .fleet-filters {
        grid-template-columns: 1fr 1fr;
    }

    .field-search {
        grid-column: span 2;
    }

    .map-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 4.4rem 0;
    }

    .container {
        width: min(100% - 1.45rem, var(--max-width));
    }

    .hero-content h1,
    .page-hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.45rem);
    }

    .cards-3,
    .cards-4,
    .fleet-filters {
        grid-template-columns: 1fr;
    }

    .field-search {
        grid-column: span 1;
    }

    .back-to-top {
        right: 0.7rem;
        bottom: 0.7rem;
    }
}