/* --- Variables --- */
:root {
    --color-ocean: #0a192f;     /* Deepest Navy */
    --color-ocean-light: #112240;
    --color-gold: #d4af37;      /* Metallic Gold */
    --color-steel: #64748b;     /* Ship Steel */
    --color-white: #e6f1ff;     /* Off-White */
    --color-text: #8892b0;
    
    --font-serif: 'Merriweather', serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --radius: 2px;
}

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

body {
    font-family: var(--font-mono); /* Technical feel */
    background-color: var(--color-ocean);
    color: var(--color-text);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; filter: grayscale(20%); }

.container { width: 92%; max-width: 1300px; margin: 0 auto; }

/* --- Data Bar --- */
.data-bar { background-color: #000; color: var(--color-gold); font-size: 0.8rem; padding: 8px 0; border-bottom: 1px solid var(--color-gold); }
.bar-flex { display: flex; justify-content: space-between; overflow-x: auto; white-space: nowrap; gap: 20px; }
.data-item { display: inline-block; }
.data-item.gold { color: #fff; font-weight: bold; cursor: pointer; }

/* --- Header --- */
.maritime-header { background-color: var(--color-ocean-light); padding: 20px 0; border-bottom: 1px solid var(--color-steel); position: sticky; top: 0; z-index: 1000; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-serif); font-size: 1.8rem; color: var(--color-white); font-weight: 900; letter-spacing: 1px; }
.gold-text { color: var(--color-gold); }
.ship-icon { font-size: 1.5rem; margin-left: 10px; }

.pro-nav ul { display: flex; gap: 30px; align-items: center; }
.pro-nav a { font-size: 0.9rem; font-weight: 500; color: var(--color-white); text-transform: uppercase; letter-spacing: 1px; }
.pro-nav a:hover, .pro-nav a.active { color: var(--color-gold); }

.btn-gold-outline { border: 1px solid var(--color-gold); color: var(--color-gold) !important; padding: 10px 20px; font-weight: bold; }
.btn-gold-outline:hover { background-color: var(--color-gold); color: var(--color-ocean) !important; }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.mobile-toggle span { width: 30px; height: 2px; background-color: var(--color-gold); }

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed; top: 0; right: -100%; width: 250px; height: 100%;
    background-color: var(--color-ocean-light); z-index: 2000;
    display: flex; flex-direction: column; padding: 40px; gap: 20px;
    transition: 0.3s ease; border-left: 2px solid var(--color-gold);
}
.mobile-menu.active { right: 0; }
.close-menu { align-self: flex-end; font-size: 1.5rem; color: var(--color-gold); background: none; border: none; cursor: pointer; }
.mobile-menu a { color: var(--color-white); font-size: 1.1rem; border-bottom: 1px solid #333; padding-bottom: 10px; }

/* --- Hero --- */
.hero-maritime {
    position: relative; height: 600px;
    background-size: cover; background-position: center;
    display: flex; align-items: center;
}
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 25, 47, 0.85); z-index: 1; }

.hero-content { position: relative; z-index: 2; width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 20px; text-align: center; }
.hero-content h1 { font-family: var(--font-serif); font-size: 3.5rem; color: var(--color-white); margin-bottom: 20px; line-height: 1.2; }
.hero-content p { font-size: 1.2rem; color: var(--color-steel); margin-bottom: 50px; }

.action-grid { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
.action-box { background: rgba(255,255,255,0.05); border: 1px solid var(--color-steel); padding: 20px 40px; display: flex; flex-direction: column; align-items: center; gap: 10px; transition: 0.3s; width: 200px; }
.action-box:hover { border-color: var(--color-gold); background: rgba(212, 175, 55, 0.1); transform: translateY(-5px); }
.action-box .icon { font-size: 2.5rem; }
.action-box span { color: var(--color-white); font-weight: bold; text-transform: uppercase; }

/* --- Services Table --- */
.section-padding { padding: 80px 0; }
.section-head { margin-bottom: 40px; border-bottom: 1px solid #333; padding-bottom: 10px; display: flex; justify-content: space-between; align-items: flex-end; }
.section-head h2 { font-family: var(--font-serif); font-size: 2rem; color: var(--color-white); }
.line-gold { width: 50px; height: 3px; background-color: var(--color-gold); }

.services-table { border: 1px solid var(--color-steel); background-color: var(--color-ocean-light); }
.table-row { display: grid; grid-template-columns: 1.5fr 2fr 1.5fr 1fr; padding: 20px; border-bottom: 1px solid #333; align-items: center; }
.table-row:last-child { border-bottom: none; }
.table-row.head { background-color: #0d1f3a; font-weight: bold; color: var(--color-gold); text-transform: uppercase; font-size: 0.9rem; }
.table-row .col { font-size: 0.95rem; }
.table-row .col strong { color: var(--color-white); font-family: var(--font-serif); }
.table-row .action a { color: var(--color-gold); text-decoration: underline; }

/* --- Stats --- */
.stats-dark { background-color: #050d1a; padding: 60px 0; border-top: 1px solid var(--color-steel); border-bottom: 1px solid var(--color-steel); margin-top: 50px; }
.stats-flex { display: flex; justify-content: space-around; text-align: center; }
.stat-item .num { display: block; font-family: var(--font-serif); font-size: 3rem; color: var(--color-gold); font-weight: 900; margin-bottom: 5px; }
.stat-item .lbl { color: var(--color-steel); text-transform: uppercase; letter-spacing: 1px; }

/* --- Details (About) --- */
.page-title { text-align: center; margin-bottom: 60px; }
.page-title h1 { font-family: var(--font-serif); font-size: 3rem; color: var(--color-white); }

.details-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.detail-card { background-color: var(--color-ocean-light); border: 1px solid #333; transition: 0.3s; }
.detail-card:hover { border-color: var(--color-gold); }
.detail-card img { height: 200px; width: 100%; object-fit: cover; opacity: 0.8; }
.d-content { padding: 25px; }
.d-content h3 { color: var(--color-white); font-family: var(--font-serif); margin-bottom: 15px; }
.d-content p { font-size: 0.9rem; color: var(--color-text); }

/* --- References --- */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.ref-card { background-color: var(--color-ocean-light); padding: 30px; border-left: 3px solid var(--color-gold); }
.ship-name { color: var(--color-gold); font-weight: bold; margin-bottom: 15px; font-family: var(--font-mono); letter-spacing: 1px; }
.ref-card p { font-style: italic; margin-bottom: 20px; font-size: 0.95rem; }
.client-info strong { display: block; color: var(--color-white); }

/* --- Form --- */
.form-wrapper { max-width: 800px; margin: 0 auto; background-color: var(--color-ocean-light); padding: 50px; border: 1px solid var(--color-steel); }
.form-header { text-align: center; margin-bottom: 40px; }
.form-header h2 { color: var(--color-gold); font-family: var(--font-serif); margin-bottom: 10px; }
.contact-details { margin-top: 20px; font-size: 0.9rem; color: var(--color-white); }

.tech-form .form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.tech-form .col { flex: 1; }
.tech-form .full { width: 100%; }
.tech-form label { display: block; color: var(--color-steel); font-size: 0.8rem; margin-bottom: 5px; text-transform: uppercase; }
.tech-form input, .tech-form select { width: 100%; padding: 12px; background-color: #0a192f; border: 1px solid #333; color: #fff; font-family: var(--font-mono); }
.tech-form input:focus, .tech-form select:focus { border-color: var(--color-gold); outline: none; }
.btn-calculate { width: 100%; background-color: var(--color-gold); color: #000; padding: 15px; border: none; font-weight: bold; cursor: pointer; margin-top: 20px; font-family: var(--font-serif); }
.btn-calculate:hover { background-color: #fff; }

/* --- Legal --- */
.legal-content { max-width: 800px; margin: 0 auto; background: var(--color-ocean-light); padding: 50px; border: 1px solid #333; }
.legal-content h1 { color: var(--color-white); font-family: var(--font-serif); }
.divider-gold { width: 100px; height: 2px; background: var(--color-gold); margin: 20px 0 40px; }
.legal-content h3 { color: var(--color-gold); margin-top: 30px; margin-bottom: 10px; }

/* --- Footer --- */
.pro-footer { border-top: 1px solid var(--color-steel); padding: 50px 0; margin-top: auto; background-color: #050d1a; }
.footer-content { text-align: center; }
.f-brand { color: var(--color-white); font-family: var(--font-serif); font-size: 1.5rem; letter-spacing: 2px; margin-bottom: 20px; }
.f-right a { color: var(--color-text); margin: 0 15px; font-size: 0.9rem; }
.f-right a:hover { color: var(--color-gold); }
.copyright { margin-top: 30px; font-size: 0.8rem; opacity: 0.5; }

@media (max-width: 992px) {
    .pro-nav { display: none; }
    .mobile-toggle { display: flex; }
    .hero-content h1 { font-size: 2.5rem; }
    .action-grid { flex-direction: column; align-items: center; }
    .action-box { width: 100%; }
    .table-row { grid-template-columns: 1fr; gap: 10px; border-bottom: 2px solid #333; }
    .table-row.head { display: none; }
    .stats-flex, .details-grid, .ref-grid { flex-direction: column; }
    .tech-form .form-row { flex-direction: column; }
}