/* ============================================
   MINERVA TALISMAN P&I - MARITIME THEME
   Premium Fixed P&I Insurance Website
   ============================================ */

/* ============ CSS VARIABLES ============ */
:root {
    /* Primary Colors - Deep Ocean */
    --color-primary: #0a2540;
    --color-primary-light: #1a3a5c;
    --color-primary-dark: #051a2e;
    
    /* Accent Colors - Maritime Gold */
    --color-accent: #c9a227;
    --color-accent-light: #e0bc4e;
    --color-accent-dark: #a3821f;
    
    /* Secondary Colors - Sea Tones */
    --color-sea: #1e6091;
    --color-sea-light: #2980b9;
    --color-sea-pale: #e8f4f8;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Sizing */
    --container-max: 1200px;
    --nav-height: 80px;
    
    /* Effects */
    --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.12);
    --shadow-lg: 0 8px 30px rgba(10, 37, 64, 0.15);
    --shadow-xl: 0 20px 50px rgba(10, 37, 64, 0.2);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-md);
}

.lead {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* ============ UTILITIES ============ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header.light h2,
.section-header.light p {
    color: var(--color-white);
}

.section-header.light .section-tag {
    color: var(--color-accent-light);
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-top: var(--space-lg);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    gap: var(--space-sm);
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-full {
    width: 100%;
}

/* ============ NAVIGATION ============ */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--color-primary);
    z-index: 1000;
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-white);
}

.nav-cta {
    background: var(--color-accent) !important;
    color: var(--color-primary-dark) !important;
    padding: var(--space-sm) var(--space-lg) !important;
    border-radius: var(--radius-md);
}

.nav-cta:hover {
    background: var(--color-accent-light) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* ============ HERO SECTION ============ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-sea) 100%);
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 200px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z' fill='%23ffffff' opacity='.25'/%3E%3C/svg%3E") repeat-x;
    background-size: 1200px 100%;
    animation: wave 20s linear infinite;
}

.wave1 { opacity: 0.3; animation-delay: 0s; bottom: 0; }
.wave2 { opacity: 0.2; animation-delay: -5s; bottom: 20px; }
.wave3 { opacity: 0.1; animation-delay: -10s; bottom: 40px; }

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-tag {
    display: inline-block;
    background: rgba(201, 162, 39, 0.2);
    color: var(--color-accent-light);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xl);
    border: 1px solid rgba(201, 162, 39, 0.3);
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.hero h1 em {
    font-style: italic;
    color: var(--color-accent-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-accent-light);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: var(--space-md) auto 0;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    position: relative;
    animation: bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -70%) rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(8px); }
    60% { transform: translateY(4px); }
}

/* ============ ABOUT SECTION ============ */
.about-section {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-main p {
    color: var(--color-gray-700);
}

.about-main p:first-of-type {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-gray-100);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin: 0;
}

.about-mission {
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-xl);
    text-align: center;
}

.about-mission blockquote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-white);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============ COVERAGE SECTION ============ */
.coverage-section {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.coverage-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.coverage-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.coverage-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.coverage-card h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.coverage-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.coverage-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.coverage-card li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    padding-left: var(--space-lg);
    position: relative;
}

.coverage-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-light);
    font-weight: bold;
}

.coverage-cta {
    margin-top: var(--space-3xl);
    text-align: center;
    padding: var(--space-2xl);
    background: rgba(201, 162, 39, 0.15);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: var(--radius-xl);
}

.coverage-cta h3 {
    color: var(--color-accent-light);
    margin-bottom: var(--space-md);
}

.coverage-cta p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* ============ VESSELS SECTION ============ */
.vessels-section {
    background: var(--color-off-white);
}

.vessels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.vessel-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.vessel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.vessel-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.vessel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.vessel-card:hover .vessel-image img {
    transform: scale(1.1);
}

.vessel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 37, 64, 0.8) 100%);
}

.vessel-content {
    padding: var(--space-lg);
}

.vessel-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.vessel-content p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin: 0;
}

.vessels-note {
    margin-top: var(--space-2xl);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-white);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-md);
}

.vessels-note p {
    margin: 0;
    color: var(--color-gray-700);
}

/* ============ REGIONS SECTION ============ */
.regions-section {
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.regions-map {
    margin-bottom: var(--space-3xl);
}

.map-visual {
    max-width: 800px;
    margin: 0 auto;
}

.world-map {
    width: 100%;
    height: auto;
}

.map-land {
    fill: rgba(255, 255, 255, 0.1);
}

.region-marker {
    fill: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(201, 162, 39, 0.5));
    animation: pulse 2s infinite;
}

.region-marker.far-east {
    fill: var(--color-accent-light);
    r: 16;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.region-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.region-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.region-card.featured {
    background: rgba(201, 162, 39, 0.15);
    border-color: rgba(201, 162, 39, 0.3);
    grid-column: span 1;
}

.region-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.region-card h3 {
    color: var(--color-white);
    font-size: 1.25rem;
}

.region-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-sm);
}

.region-card.featured .region-tag {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.region-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.region-stats {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.region-stat .value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-accent-light);
}

.region-stat .label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============ FAQ SECTION ============ */
.faq-section {
    background: var(--color-white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-primary);
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-sea);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--space-lg);
}

.faq-answer p {
    color: var(--color-gray-700);
    line-height: 1.7;
}

/* ============ CONTACT SECTION ============ */
.contact-section {
    background: var(--color-off-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--space-md);
}

.contact-info > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-md);
}

.contact-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.contact-item p {
    margin: 0;
    color: var(--color-gray-600);
}

.broker-note {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent);
}

.broker-note h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.broker-note p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    font-size: 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-sea);
    box-shadow: 0 0 0 3px rgba(30, 96, 145, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============ FOOTER ============ */
.main-footer {
    background: var(--color-primary-dark);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.footer-legal {
    font-size: 0.75rem !important;
    color: rgba(255, 255, 255, 0.4) !important;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .coverage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vessels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .coverage-grid,
    .vessels-grid {
        grid-template-columns: 1fr;
    }
    
    .regions-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 3rem;
        --space-4xl: 4rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.9375rem;
    }
}