:root {
    --main: #0b2f4a;
    --main-soft: #123f61;
    --accent: #19b5fe;
    --accent-dark: #0d8fca;
    --accent-soft: rgba(25, 181, 254, 0.12);
    --light: #f4f8fb;
    --surface: #ffffff;
    --surface-alt: #eef5fa;
    --dark: #0f172a;
    --text: #334155;
    --muted: #64748b;
    --border: #dbe5ef;
    --shadow: 0 18px 45px rgba(11, 47, 74, 0.10);
    --radius: 18px;
    --radius-sm: 12px;
    --max-width: 1180px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    line-height: 1.75;
    background:
        radial-gradient(circle at top right, rgba(25, 181, 254, 0.12), transparent 24%),
        linear-gradient(180deg, #f8fbfe 0%, #f4f8fb 100%);
}

a {
    color: var(--main);
}

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

main {
    min-height: 55vh;
}

section {
    margin-bottom: 72px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 12px;
    background: var(--surface);
    color: var(--main);
    padding: 10px 14px;
    border-radius: 10px;
    z-index: 2000;
}

.skip-link:focus {
    left: 12px;
}

.navbar {
    background: rgba(11, 47, 74, 0.95);
    backdrop-filter: blur(12px);
    padding: 18px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.15);
}

.logo {
    color: white;
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: 0.04em;
    text-decoration: none;
}

.logo span {
    color: var(--accent);
}

.navbar .links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.navbar .links a {
    color: white;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: background-color 0.25s ease, transform 0.25s ease;
}

.navbar .links a:hover,
.navbar .links a.active {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 20px;
}

.content-section,
.surface-card,
.long-text,
.impact-grid,
.social-impact,
.highlight-panel,
.cta-panel,
.contact-card,
.notice-card,
.stat-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(219, 229, 239, 0.9);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.content-section,
.long-text,
.social-impact,
.highlight-panel,
.cta-panel,
.contact-card,
.notice-card {
    padding: 36px;
}

.page-header {
    background:
        linear-gradient(135deg, rgba(11, 47, 74, 0.94), rgba(18, 63, 97, 0.88)),
        url('assets/hero-sky.svg') center/cover;
    color: white;
    text-align: center;
    padding: 88px 20px;
}

.page-header h1,
.hero-text h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.1;
    margin-bottom: 16px;
}

.page-header p,
.hero-text p,
.lead {
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.05rem;
    max-width: 760px;
    margin: 0 auto;
}

#hero {
    min-height: 82vh;
    background:
        linear-gradient(rgba(11, 47, 74, 0.68), rgba(11, 47, 74, 0.72)),
        url('assets/hero-sky.svg') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 60px 20px;
}

.hero-text {
    max-width: 860px;
}

.hero-actions {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.badge-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.badge,
.inline-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-weight: 600;
    font-size: 0.88rem;
}

.inline-badge {
    background: var(--accent-soft);
    border-color: rgba(25, 181, 254, 0.18);
    color: var(--main);
}

h2,
.section-title {
    color: var(--dark);
    margin-bottom: 18px;
    line-height: 1.2;
}

h3 {
    color: var(--main);
    margin-bottom: 12px;
    line-height: 1.3;
}

p + p,
ul + p,
p + ul {
    margin-top: 14px;
}

ul {
    padding-left: 20px;
}

.flex-container,
.impact-grid,
.contact-layout,
.metric-grid,
.footer-grid,
.card-grid,
.info-grid {
    display: grid;
    gap: 24px;
}

.flex-container,
.contact-layout,
.impact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.column,
.text-block {
    min-width: 0;
}

.card-grid,
.metric-grid,
.info-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.info-card,
.service-card,
.stat-card,
.notice-card,
.mini-card {
    background: var(--surface);
    padding: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.info-card,
.service-card {
    border-top: 4px solid var(--accent);
}

.stat-card strong {
    display: block;
    font-size: 1.9rem;
    line-height: 1;
    margin-bottom: 10px;
    color: var(--main);
}

.muted {
    color: var(--muted);
}

.highlight-section,
.soft-section {
    max-width: var(--max-width);
    margin: 0 auto 72px;
    padding: 0 20px;
}

.highlight-panel,
.cta-panel {
    background: linear-gradient(135deg, rgba(11, 47, 74, 0.98), rgba(18, 63, 97, 0.95));
    color: white;
}

.highlight-panel h2,
.cta-panel h2,
.cta-panel h3,
.cta-panel p,
.highlight-panel > p,
.highlight-panel > li,
.cta-panel li {
    color: white;
}

.highlight-panel .info-card h3,
.highlight-panel .info-card p {
    color: var(--text);
}

.highlight-panel .info-card h3 {
    color: var(--main);
}

.btn {
    background: var(--accent);
    color: white;
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 12px 22px rgba(25, 181, 254, 0.25);
}

.btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.32);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.10);
}

.img-fluid,
.img-side,
.img-full {
    width: 100%;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 20px 36px rgba(15, 23, 42, 0.14);
}

.img-fluid,
.img-side {
    min-height: 320px;
}

.img-full {
    height: 400px;
    margin: 24px 0;
}

.caption {
    color: var(--muted);
    font-size: 0.94rem;
    margin-top: 12px;
}

.fleet-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: var(--surface);
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.fleet-table th,
.fleet-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.fleet-table th {
    background: var(--main);
    color: white;
}

.fleet-table tbody tr:nth-child(even) {
    background: #f8fbff;
}

.contact-form {
    display: grid;
    gap: 16px;
}

label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: -6px;
}

input,
select,
textarea {
    padding: 14px 16px;
    border: 1px solid #c9d5e2;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    background: white;
    color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(25, 181, 254, 0.14);
}

.form-note,
.legal-note {
    font-size: 0.92rem;
    color: var(--muted);
}

.detail-list {
    display: grid;
    gap: 14px;
    margin-top: 22px;
}

.detail-item {
    padding: 16px 18px;
    border-radius: 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
}

.detail-item strong {
    display: block;
    margin-bottom: 4px;
    color: var(--main);
}

footer {
    background: var(--dark);
    color: #cbd5e1;
    padding: 56px 5% 28px;
}

.footer-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

footer h4 {
    color: white;
    margin-bottom: 14px;
}

footer a {
    color: #dff4ff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-links {
    display: grid;
    gap: 8px;
}

.footer-legal {
    max-width: var(--max-width);
    margin: 28px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(148, 163, 184, 0.22);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    flex-wrap: wrap;
    font-size: 0.92rem;
    color: #94a3b8;
}

.centered {
    text-align: center;
}

@media (max-width: 860px) {
    .navbar {
        padding: 16px 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar .links {
        width: 100%;
        justify-content: flex-start;
    }

    .flex-container,
    .contact-layout,
    .impact-grid {
        grid-template-columns: 1fr;
    }

    .page-header,
    #hero {
        padding-top: 72px;
        padding-bottom: 72px;
    }

    .content-section,
    .long-text,
    .social-impact,
    .highlight-panel,
    .cta-panel,
    .contact-card,
    .notice-card {
        padding: 26px;
    }

    .fleet-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 520px) {
    .navbar .links a {
        padding: 9px 12px;
        font-size: 0.78rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}