/* Delta Waves Shipping FZE - Main Stylesheet */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #020817;
    --bg-secondary: #0F172A;
    --text-primary: #F8FAFC;
    --text-muted: #94A3B8;
    --accent-cyan: #00B4D8;
    --accent-amber: #F59E0B;
    --border-color: rgba(255, 255, 255, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

/* Navigation */
.nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 12px 32px;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(0, 0, 0, 0.8);
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-logo span {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    display: none;
}

@media (min-width: 768px) {
    .nav-logo span {
        display: block;
    }
}

.nav-links {
    display: none;
    align-items: center;
    gap: 24px;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    z-index: 99;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, 
        rgba(2, 8, 23, 0.7) 0%, 
        rgba(2, 8, 23, 0.5) 50%,
        rgba(2, 8, 23, 0.95) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 24px;
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.iso-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--accent-amber);
    padding: 6px 16px;
    border-radius: 4px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

@media (min-width: 768px) {
    .hero-desc {
        font-size: 1.125rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-cyan);
    color: var(--bg-primary);
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: rgba(0, 180, 216, 0.9);
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-block;
    border: 1px solid rgba(0, 180, 216, 0.5);
    color: var(--accent-cyan);
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: rgba(0, 180, 216, 0.1);
    border-color: var(--accent-cyan);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Styling */
.section {
    padding: 96px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 128px 0;
    }
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-cyan);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 48px;
}

.section-title span {
    color: var(--text-muted);
}

/* About Section */
.about {
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.about-grid {
    display: grid;
    gap: 48px;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
}

.highlight {
    color: var(--accent-cyan);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.stat-card {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: all 0.5s ease;
}

.stat-card:hover {
    border-color: rgba(0, 180, 216, 0.5);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.2), rgba(0, 180, 216, 0.05));
    border: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: 8px;
    margin-bottom: 16px;
    color: var(--accent-cyan);
}

.stat-card h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.stat-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Services Section */
.services-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    transition: all 0.5s ease;
}

.service-card:hover {
    border-color: rgba(0, 180, 216, 0.5);
}

.service-card:hover .stat-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

.services-note {
    margin-top: 48px;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
}

.services-note p {
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Fleet Section */
.fleet {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
}

.fleet-intro {
    color: var(--text-muted);
    margin-top: -32px;
    margin-bottom: 48px;
    max-width: 500px;
}

.bento-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(200px, auto);
}

@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
}

.fleet-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fleet-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 180, 216, 0.5);
}

.fleet-card:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.fleet-card:nth-child(4) {
    grid-column: span 2;
}

.fleet-card:nth-child(7) {
    grid-column: span 2;
}

@media (max-width: 640px) {
    .fleet-card:nth-child(1),
    .fleet-card:nth-child(4),
    .fleet-card:nth-child(7) {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.fleet-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.fleet-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.4), transparent);
}

.fleet-card-content {
    position: relative;
    height: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
}

.fleet-card-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fleet-card-title i {
    color: var(--accent-cyan);
}

.fleet-card-title.no-pdf i {
    color: var(--text-muted);
}

.fleet-card h3 {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

@media (min-width: 768px) {
    .fleet-card h3 {
        font-size: 1.875rem;
    }
}

.fleet-card:hover h3 {
    color: var(--accent-cyan);
}

.fleet-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 8px;
}

/* Clients Section */
.clients {
    overflow: hidden;
}

.marquee-container {
    overflow: hidden;
    padding: 32px 0;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
}

.marquee-track {
    display: flex;
    animation: marquee 30s linear infinite;
}

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

.marquee-item {
    flex-shrink: 0;
    margin: 0 32px;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: rgba(148, 163, 184, 0.4);
    white-space: nowrap;
    transition: color 0.3s ease;
}

@media (min-width: 768px) {
    .marquee-item {
        font-size: 2.5rem;
        margin: 0 48px;
    }
}

.marquee-item:hover {
    color: var(--text-primary);
}

/* Footer */
.footer {
    background: linear-gradient(to bottom, var(--bg-primary), #000);
    padding: 96px 0;
}

.footer-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: clamp(2rem, 8vw, 6rem);
    line-height: 1;
    margin-bottom: 64px;
}

.footer-grid {
    display: grid;
    gap: 48px;
    margin-bottom: 64px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-section h3 i {
    color: var(--accent-cyan);
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-section a {
    display: block;
    text-decoration: none;
    transition: color 0.3s ease;
    margin-bottom: 12px;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-section .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: rgba(0, 180, 216, 0.7);
    display: block;
    margin-bottom: 4px;
}

.footer-section .email {
    font-family: 'JetBrains Mono', monospace;
}

.footer-section .email:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-brand img {
    height: 48px;
    width: auto;
}

.footer-brand-text h4 {
    font-size: 1.125rem;
}

.footer-copyright {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: #1E293B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Selection */
::selection {
    background-color: rgba(0, 180, 216, 0.3);
    color: var(--text-primary);
}