/* ==========================================================================
   CSS VARIABLES & RESET
   ========================================================================== */
   :root {
    --primary: #0B1F3A;
    --primary-light: #16325B;
    --secondary: #FFFFFF;
    --bg-light: #F5F7FA;
    --accent: #00AEEF;
    --accent-hover: #0093CB;
    --text-dark: #333333;
    --text-gray: #666666;
    --border-color: #E2E8F0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.padding-half {
    padding: 6rem 4rem;
}

.text-center { text-align: center; }
.text-white { color: var(--secondary); }
.text-gray { color: var(--text-gray); }
.bg-light { background-color: var(--bg-light); }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.w-full { width: 100%; }

.section-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

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

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

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

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

.btn-outline {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--secondary);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    padding: 1rem 0;
}

header.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-uc {
    background-color: var(--primary);
    color: var(--secondary);
    font-size: 1.5rem;
    font-weight: 800;
    padding: 0.5rem;
    border-radius: 4px;
    letter-spacing: -1px;
}

.logo-text h1 {
    font-size: 1.25rem;
    margin: 0;
    letter-spacing: 1px;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--secondary);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    padding: 4rem 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

.mobile-link {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--primary);
    overflow: hidden;
    padding-top: 80px; /* Offset for sticky nav */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 31, 58, 0.9) 0%, rgba(11, 31, 58, 0.7) 100%),
                url('https://images.unsplash.com/photo-1614850523459-c2f4c699c52e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    color: var(--secondary);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.hero-content h2 {
    color: var(--secondary);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* ==========================================================================
   TRUST BAR
   ========================================================================== */
.trust-bar {
    background-color: var(--secondary);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 10;
    margin-top: -40px;
}

.trust-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--primary);
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--accent);
}

/* ==========================================================================
   ABOUT US
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.stat p {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(11, 31, 58, 0.9));
}

.overlay-text {
    color: var(--secondary);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================================================
   PRODUCT SECTION
   ========================================================================== */
.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.product-card {
    background-color: var(--secondary);
    padding: 3rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.product-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-card p {
    color: var(--text-gray);
}

.product-details-box {
    grid-column: 1 / -1;
    background-color: var(--primary);
    color: var(--secondary);
    border-radius: 8px;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 1rem;
}

.detail-col h4 {
    color: var(--secondary);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-col h4 i {
    color: var(--accent);
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.check-list i {
    color: var(--accent);
    font-size: 1.25rem;
}

/* ==========================================================================
   SPLIT SECTION (Why Us & Export)
   ========================================================================== */
.split-section {
    display: flex;
    flex-wrap: wrap;
}

.split-half {
    flex: 1;
    min-width: 50%;
}

.dark-half {
    background-color: var(--primary);
    color: var(--secondary);
}

.dark-half .section-title {
    color: var(--secondary);
}

.dark-half .text-gray {
    color: rgba(255, 255, 255, 0.7);
}

.feature-list li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feat-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 174, 239, 0.1);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-list strong {
    display: block;
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.feature-list p {
    color: var(--text-gray);
    margin: 0;
}

.export-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.export-item {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

.export-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.export-item i {
    font-size: 2rem;
    color: var(--accent);
}

.export-item span {
    font-weight: 600;
}

/* ==========================================================================
   JOURNEY / TIMELINE
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
    text-align: left;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--secondary);
    border: 4px solid var(--primary);
    z-index: 2;
}

.timeline-dot.highlight {
    border-color: var(--accent);
    background-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.2);
}

.timeline-content {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.timeline-content h3 {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-gray);
    margin: 0;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary);
    border: 1px solid var(--border-color);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.info-item strong {
    display: block;
    color: var(--primary);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--text-gray);
    margin: 0;
}

.info-item a:hover {
    color: var(--accent);
}

.contact-form {
    background-color: var(--secondary);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.contact-form h3 {
    margin-bottom: 2rem;
    font-size: 1.75rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.1);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    background-color: var(--primary);
    color: var(--secondary);
    padding: 4rem 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand .logo-text h2 {
    color: var(--secondary);
    font-size: 1.5rem;
    margin: 0;
}

.footer-brand .text-gray {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

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

.footer-bottom {
    padding: 1.5rem 0;
    background-color: var(--primary-light);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-content h2 { font-size: 3rem; }
    .product-details-box { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .split-half { min-width: 100%; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-toggle { display: block; }
    
    .hero-content h2 { font-size: 2.25rem; }
    .hero-content p { font-size: 1.1rem; }
    .hero-actions { flex-direction: column; }
    
    .about-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; text-align: center; }
    
    .trust-container { justify-content: center; }
    .trust-item { width: 45%; justify-content: center; margin-bottom: 1rem; }
    
    .product-grid { grid-template-columns: 1fr; }
    .export-grid { grid-template-columns: 1fr; }
    
    .padding-half { padding: 4rem 2rem; }
    .section-padding { padding: 4rem 0; }
    
    .footer-content { flex-direction: column; text-align: center; }
    .footer-links { flex-direction: column; width: 100%; gap: 1rem; }
}