:root {
    --primary-color: #FFD700;
    --primary-hover: #E5C100;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FB;
    --bg-dark: #111111;
    --text-dark: #111111;
    --text-light: #F4F4F4;
    --text-muted: #666666;
    --border-color: #E2E8F0;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

p {
    color: var(--text-muted);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 24px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .btn-outline {
    border-color: rgba(17, 17, 17, 0.3);
    color: var(--text-dark);
}

.navbar.scrolled .btn-outline:hover {
    border-color: var(--bg-dark);
    background: rgba(17, 17, 17, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-light);
    letter-spacing: -0.5px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    height: 200px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar .logo-light-bg {
    display: none;
}

.navbar .logo-dark-bg {
    display: block;
}

.navbar.scrolled .logo-dark-bg {
    display: none;
}

.navbar.scrolled .logo-light-bg {
    display: block;
}

.navbar.scrolled .brand-logo {
    height: 200px;
}

.lang-toggle-container {
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.lang-toggle-btn {
    background: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255,255,255,0.4);
    padding: 0.4rem 1rem;
    font-size: 0.95rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-toggle-btn:hover {
    background: rgba(255,255,255,0.15);
    border-color: #FFFFFF;
}

.navbar.scrolled .lang-toggle-btn {
    color: var(--text-dark);
    border-color: rgba(0,0,0,0.2);
}

.navbar.scrolled .lang-toggle-btn:hover {
    background: var(--bg-light);
}

.brand-logo:hover {
    opacity: 0.8;
}

.footer-logo {
    height: 90px;
    margin-bottom: 15px;
}

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

.logo .dot {
    color: var(--primary-color);
}

.navbar:not(.scrolled) .nav-menu a {
    color: var(--text-light);
}

.navbar.scrolled .nav-menu a {
    color: var(--text-dark);
}

.nav-menu {
    display: flex;
    gap: 120px;
}

.nav-menu a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    opacity: 0.8;
}

.nav-menu a:hover {
    color: var(--primary-color) !important;
    opacity: 1;
}

.nav-actions {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-light);
}

.btn-outline:hover {
    border-color: var(--bg-white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline-light {
    border-color: var(--bg-white);
    color: var(--text-light);
}

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

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background-image: url('assets/images/hero_logistics_bg_1774916099669.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(17, 17, 17, 0.9) 0%, rgba(17, 17, 17, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    color: var(--text-light);
    font-size: 5rem;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    color: #E2E8F0;
    font-size: 1.5rem;
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 20px;
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

/* Categories */
.categories {
    padding: 100px 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.category-card {
    background: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-img {
    height: 180px;
    position: relative;
    overflow: hidden;
    background: #fff;
}

.category-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: transform 0.6s ease;
}

.category-card:hover .category-img img {
    transform: scale(1.05);
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 17, 17, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.category-overlay span {
    color: var(--primary-color);
    font-weight: 600;
    transform: translateY(20px);
    transition: var(--transition);
}

.category-card:hover .category-overlay {
    opacity: 1;
}

.category-card:hover .category-overlay span {
    transform: translateY(0);
}

.category-info {
    padding: 20px;
    text-align: center;
}

.category-info h3 {
    font-size: 1rem;
    color: var(--text-dark);
}

/* CTA Banner */
.cta-banner {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
    background-image: linear-gradient(to right, #111111, #1a1a1a);
}

.cta-banner h2 {
    color: var(--bg-white);
    margin-bottom: 20px;
}

.cta-banner p {
    color: #A0A0A0;
    margin-bottom: 40px;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background-color: #000000;
    color: #888888;
    padding: 60px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid #222;
    padding-bottom: 40px;
    margin-bottom: 30px;
}

.footer-brand p {
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-info {
    margin-top: 20px;
    margin-bottom: 25px;
    color: #BBBBBB;
}

.footer-info p {
    margin-top: 6px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #888888;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Animations */
.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.category-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.category-card.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; }

/* Contact Page Minimalist Styles */
.contact-page {
    background-color: #000000;
    color: var(--text-light);
}

.contact-hero {
    padding: 160px 0 60px;
    text-align: center;
}

.elegant-title {
    font-family: 'Times New Roman', Times, serif;
    font-size: 3.5rem;
    font-weight: 400;
    margin-bottom: 30px;
    color: #FFFFFF;
}

.title-divider {
    width: 40px;
    height: 1px;
    background-color: #444;
    margin: 0 auto 30px;
}

.subtitle {
    font-size: 1.2rem;
    color: #DDDDDD;
}

.contact-section {
    padding-bottom: 120px;
}

.contact-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info-minimal {
    text-align: center;
    margin-bottom: 40px;
    color: #BBBBBB;
    font-size: 1.05rem;
    line-height: 1.8;
}

.contact-info-minimal strong {
    color: #FFFFFF;
    font-weight: 600;
}

.contact-form-minimal {
    width: 100%;
}

.form-group-minimal {
    margin-bottom: 20px;
}

.form-group-minimal input,
.form-group-minimal textarea {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid #333333;
    color: #FFFFFF;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group-minimal input:focus,
.form-group-minimal textarea:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.form-group-minimal input::placeholder,
.form-group-minimal textarea::placeholder {
    color: #666666;
}

.btn-submit-minimal {
    width: 100%;
    padding: 16px;
    background-color: #FFFFFF;
    color: #000000;
    border: none;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-submit-minimal:hover {
    background-color: var(--primary-color);
    color: #000000;
}

.form-disclaimer {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #555555;
    text-align: center;
}

.minimal-footer {
    background-color: #000000;
    border-top: 1px solid #111111;
}

.minimal-footer-content {
    justify-content: center;
    border-bottom: none;
    padding-bottom: 20px;
}

/* Light Theme Contact Page */
.contact-page-light {
    background-color: #ffffff;
    color: #111111;
}

.contact-page-light .page-title,
.contact-page-light h1, .contact-page-light h2, .contact-page-light h3 {
    color: #111111;
    margin-bottom: 20px;
}

.contact-layout-light {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding-top: 350px;
    padding-bottom: 100px;
}

.contact-info-light {
    display: flex;
    flex-direction: column;
    gap: 30px;
    font-size: 1.05rem;
    color: #444;
}

.contact-details-light {
    border-top: 1px solid #eeeeee;
    padding-top: 20px;
}

.contact-details-light .detail-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-details-light .detail-item .icon {
    font-size: 1.5rem;
}

.contact-details-light .detail-item a,
.contact-details-light .detail-item span.text-black {
    color: #111111;
    text-decoration: none;
    font-weight: 500;
}

.contact-details-light .detail-item a.text-blue {
    color: #0056b3;
}

.contact-form-light-container {
    background: #ffffff;
    border: 1px solid #eaeaea;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    border-radius: 12px;
    padding: 40px;
}

.form-group-light-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group-light {
    margin-bottom: 20px;
}

.form-group-light label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: #333;
}

.input-light {
    width: 100%;
    padding: 14px;
    background: #fbfbfb;
    border: 1px solid #d1d1d1;
    border-radius: 6px;
    color: #111;
    font-size: 1rem;
    transition: all 0.3s;
}

.input-light:focus {
    outline: none;
    border-color: #111111;
    background: #ffffff;
}

.input-light.textarea {
    resize: vertical;
}

/* File Upload Styles */
.file-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #fafafa;
    border: 1px dashed #cccccc;
    border-radius: 6px;
}

.file-upload-btn {
    background: #ffffff;
    border: 1px solid #bbbbbb;
    color: #333333;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.file-upload-btn:hover {
    background: #f0f0f0;
    border-color: #888;
}

.file-name {
    font-size: 0.85rem;
    color: #888888;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-submit-light {
    width: 100%;
    padding: 16px;
    background-color: #111111;
    color: #ffffff;
    font-size: 1.1rem;
    border-radius: 6px;
    margin-top: 10px;
}

.btn-submit-light:hover {
    background-color: #333333;
}

/* Minimal Footer Light Theme */
.minimal-footer-light {
    background-color: #f9f9f9;
    border-top: 1px solid #eaeaea;
    padding: 30px 0;
}

.minimal-footer-light .footer-brand p {
    color: #666;
    margin-top: 10px;
}

.minimal-footer-light .footer-links {
    margin-top: 15px;
}

.minimal-footer-light .footer-links a {
    color: #444;
}

.minimal-footer-light .footer-links a:hover {
    color: #000;
}

/* Footer Gap Adjustments */
.footer-logo {
    margin-bottom: -25px; /* Pulls footer info up to narrow the gap */
}
.footer-info {
    margin-top: 0;
}

/* Responsive */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--text-light);
}

.navbar.scrolled .mobile-menu-btn .bar {
    background-color: var(--text-dark);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

@media (max-width: 900px) {
    .navbar {
        padding: 15px 0;
    }

    .navbar.scrolled {
        padding: 8px 0;
    }

    .brand-logo {
        height: 100px;
    }

    .navbar.scrolled .brand-logo {
        height: 50px;
    }

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        gap: 0;
        flex-direction: column;
        background-color: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        height: 100vh;
        justify-content: center;
        z-index: 999;
    }

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

    .nav-menu a {
        margin: 16px 0;
        font-size: 1.5rem;
        color: var(--text-light) !important;
    }

    .mobile-menu-btn.active .bar:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-btn.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 30px;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .contact-layout-light {
        grid-template-columns: 1fr;
        padding-top: 150px;
        gap: 40px;
    }

    .form-group-light-grid {
        grid-template-columns: 1fr;
    }
}