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

:root {
    --navy: #1a365d;
    --navy-dark: #0f2442;
    --navy-light: #2c5282;
    --white: #ffffff;
    --light-gray: #f7fafc;
    --gray: #e2e8f0;
    --text-gray: #718096;
    --text-dark: #2d3748;
    --accent: #3182ce;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    flex-direction: column;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--navy);
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--accent) 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.wave-pattern {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.1' d='M0,128L48,133.3C96,139,192,149,288,138.7C384,128,480,96,576,106.7C672,117,768,171,864,181.3C960,192,1056,160,1152,138.7C1248,117,1344,107,1392,101.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
}

.wave-pattern::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    height: 150px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.2' d='M0,224L48,213.3C96,203,192,181,288,186.7C384,192,480,224,576,213.3C672,203,768,149,864,128C960,107,1056,117,1152,138.7C1248,160,1344,192,1392,208L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
    position: relative;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.95;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--light-gray);
}

.section h2 {
    font-size: 2.25rem;
    font-weight: 300;
    color: var(--navy);
    margin-bottom: 2rem;
    text-align: center;
}

.content-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.section-alt .content-box {
    background-color: var(--white);
}

.content-box p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.content-box p:last-child {
    margin-bottom: 0;
}

/* Fleet Grid */
.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.vessel-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.vessel-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.vessel-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vessel-header h3 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 400;
}

.vessel-icon {
    width: 80px;
    height: 50px;
    color: var(--white);
    opacity: 0.8;
}

.vessel-specs {
    padding: 2rem;
}

.spec-item {
    display: flex;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--navy);
    min-width: 120px;
}

.spec-value {
    color: var(--text-dark);
    flex: 1;
}

/* Booking Section */
.booking-box {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    text-align: center;
}

.booking-intro {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.agent-info {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.agent-info h3 {
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.agent-info p {
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

.agent-website a {
    color: var(--white);
    text-decoration: underline;
}

.agent-website a:hover {
    text-decoration: none;
}

.booking-note {
    color: var(--text-gray);
    font-style: italic;
}

/* Corporate Section */
.corporate-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray);
}

.corporate-info h3 {
    color: var(--navy);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

address {
    font-style: normal;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.contact-info {
    color: var(--text-dark);
}

.contact-info a {
    color: var(--accent);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--navy);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section h2 {
        font-size: 1.75rem;
    }

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

    .vessel-header {
        flex-direction: column;
        text-align: center;
    }

    .vessel-icon {
        margin-top: 1rem;
    }

    .spec-item {
        flex-direction: column;
    }

    .spec-label {
        margin-bottom: 0.25rem;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 50vh;
    }

    .content-box,
    .booking-box {
        padding: 1.5rem;
    }

    .agent-info {
        padding: 1.5rem;
    }

    .agent-info h3 {
        font-size: 1.5rem;
    }
}