/* Reset and Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-navy: #001f3f;
    --color-navy-dark: #00152b;
    --color-navy-light: #003366;
    --color-accent: #c41230;
    --color-accent-dark: #9c1500;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-600: #6c757d;
    --color-gray-800: #343a40;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-navy);
}

.btn-outline-dark {
    background: transparent;
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.btn-outline-dark:hover {
    background: var(--color-navy);
    color: var(--color-white);
}

.btn-large {
    padding: 18px 48px;
    font-size: 16px;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 13px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 31, 63, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-gray-300);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://i0.wp.com/blogs.tradlinx.com/wp-content/uploads/2024/07/autonomous-ship.jpeg?resize=2048%2C1151&ssl=1') center/cover;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-gray-300);
    max-width: 640px;
    margin: 0 auto 40px;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Value Props */
.value-props {
    padding: 100px 0;
    background: var(--color-white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.value-item {
    text-align: center;
    padding: 32px;
}

.value-icon {
    color: var(--color-accent);
    margin-bottom: 24px;
}

.value-item h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--color-navy);
}

.value-item p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-navy);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--color-gray-600);
}

/* Use Cases */
.use-cases {
    padding: 100px 0;
    background: var(--color-gray-100);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.case-image {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.case-content {
    padding: 32px;
}

.case-content h3 {
    font-size: 1.35rem;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.case-content p {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.step {
    text-align: center;
    padding: 24px;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.step h3 {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.step p {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* Stats */
.stats {
    padding: 80px 0;
    background: var(--color-navy);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-300);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Jones Act */
.jones-act {
    padding: 100px 0;
    background: var(--color-gray-100);
}

.jones-content {
    max-width: 800px;
    margin: 0 auto;
}

.jones-text h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--color-navy);
    margin-bottom: 24px;
}

.jones-text p {
    color: var(--color-gray-600);
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.jones-list {
    list-style: none;
    margin: 32px 0;
}

.jones-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--color-gray-800);
}

.jones-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* CTA */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    text-align: center;
}

.cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.2rem;
    color: var(--color-gray-300);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--color-navy-dark);
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo-text {
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    color: var(--color-gray-300);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a {
    color: var(--color-gray-300);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-800);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: 4px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-navy);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Page Headers */
.page-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-white);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: 100px 0;
}

.content-section.alt {
    background: var(--color-gray-100);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse>* {
    direction: ltr;
}

.content-text h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--color-navy);
    margin-bottom: 24px;
}

.content-text p {
    color: var(--color-gray-600);
    font-size: 1.05rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.content-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.content-image img {
    width: 100%;
    display: block;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 48px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.pricing-card.featured {
    border: 3px solid var(--color-accent);
    transform: scale(1.02);
}

.pricing-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.pricing-header {
    text-align: center;
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-gray-200);
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.pricing-header .price {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-navy);
}

.pricing-header .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-gray-600);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--color-gray-600);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
    text-align: center;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info h2 {
    font-size: 2rem;
    color: var(--color-navy);
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--color-gray-600);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-details {
    margin-top: 40px;
}

.contact-details h4 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.contact-details p {
    margin-bottom: 24px;
}

.contact-form {
    background: var(--color-gray-100);
    padding: 48px;
    border-radius: 12px;
}

/* Responsive */
@media (max-width: 1024px) {

    .value-grid,
    .cases-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-navy);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: flex;
    }

    .value-grid,
    .cases-grid,
    .steps-grid,
    .stats-grid,
    .pricing-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .content-grid.reverse {
        direction: ltr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .pricing-card.featured {
        transform: none;
    }
}