/* ============================================
   PANCOTTE IMPORT & EXPORT LTD
   Corporate Design - Inspired by Kuehne+Nagel
   Color Palette: White, Navy Blue, Black
   ============================================ */

:root {
    /* Color Palette - Neutral Corporate */
    --navy-blue: #1a2b4d;
    --navy-dark: #0f1a2e;
    --navy-light: #2a3f66;
    --pure-white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --pure-black: #000000;
    --accent-blue: #3d5a80;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    
    /* Typography */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--pure-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy-blue);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

a {
    color: var(--navy-blue);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-blue);
}

/* ============================================
   Navigation
   ============================================ */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--pure-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--navy-blue);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.language-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: var(--spacing-md);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.lang-btn:hover {
    background-color: var(--off-white);
    border-color: var(--navy-blue);
    color: var(--navy-blue);
}

.lang-btn.active {
    background-color: var(--navy-blue);
    border-color: var(--navy-blue);
    color: var(--pure-white);
}

.flag-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.lang-code {
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    position: relative;
    text-transform: uppercase;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--navy-blue);
    transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--navy-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 5px;
}

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

/* ============================================
   Main Content
   ============================================ */

main {
    margin-top: 70px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xxl) var(--spacing-md);
    color: var(--pure-white);
    overflow: hidden;
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 43, 77, 0.85) 0%, rgba(15, 26, 46, 0.9) 100%);
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 43, 77, 0.85) 0%, rgba(15, 26, 46, 0.9) 100%);
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
    z-index: 1;
    animation: subtleMove 20s ease-in-out infinite;
}

@keyframes subtleMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, -10px); }
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    color: var(--pure-white);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ============================================
   Section Styles
   ============================================ */

section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
    color: var(--navy-blue);
    text-align: left;
    font-weight: 700;
}

/* ============================================
   Introduction Section
   ============================================ */

.intro {
    background-color: var(--off-white);
    padding: var(--spacing-xxl) 0;
}

.intro-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    background: var(--light-gray);
}

.intro-image {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
}

.intro-image-wrapper:hover .intro-image {
    transform: scale(1.05);
}

.intro-text-content {
    padding: var(--spacing-md) 0;
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ============================================
   About Section
   ============================================ */

.about-content {
    padding: var(--spacing-xxl) 0;
    background-color: var(--pure-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-image-wrapper {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.about-image {
    width: 100%;
    min-height: 500px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
    display: block;
}

.about-image-wrapper:hover .about-image {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.about-text {
    padding: var(--spacing-md) 0;
}

.about-text p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.about-text .section-title {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Services Detail Section
   ============================================ */

.services-detail {
    padding: var(--spacing-xxl) 0;
    background-color: var(--off-white);
}

.service-item {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--pure-white);
    border-left: 4px solid var(--navy-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--accent-blue);
    transition: height var(--transition-slow);
}

.service-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.service-item:hover::before {
    height: 100%;
}

.service-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--navy-blue);
    opacity: 0.15;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
    transition: opacity var(--transition-base), transform var(--transition-base);
    display: block;
}

.service-item:hover .service-number {
    opacity: 0.25;
    transform: translateX(5px);
}

.services-summary {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--pure-white);
    border-left: 4px solid var(--navy-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.summary-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
    text-align: center;
}

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

.service-heading {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    margin-bottom: var(--spacing-md);
    color: var(--navy-blue);
    font-weight: 600;
}

.service-detail-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 900px;
}

/* ============================================
   Global Presence
   ============================================ */

.global-presence {
    background-color: var(--navy-blue);
    padding: var(--spacing-xxl) 0;
    color: var(--pure-white);
    position: relative;
    overflow: hidden;
}

.global-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.global-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.global-image {
    width: 100%;
    min-height: 400px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
    display: block;
    opacity: 0.9;
}

.global-image-wrapper:hover .global-image {
    transform: scale(1.05);
    opacity: 1;
}

.global-presence .section-title {
    color: var(--pure-white);
}

.presence-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-content {
    padding: var(--spacing-xxl) 0;
    background-color: var(--pure-white);
}

.contact-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

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

.contact-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.info-item {
    margin-bottom: 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.contact-item {
    border-bottom: none;
    padding-bottom: 0;
}

.social-item {
    display: flex;
    align-items: center;
    margin-top: auto;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--navy-blue);
    color: var(--pure-white);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 43, 77, 0.3);
}

.linkedin-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.info-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.info-value {
    font-size: 1.125rem;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.info-value-secondary {
    font-size: 1rem;
    color: var(--text-secondary);
    font-family: var(--font-secondary);
    margin-bottom: 0;
}

/* ============================================
   Footer
   ============================================ */

.main-footer {
    background-color: var(--navy-dark);
    color: var(--pure-white);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

.footer-contact-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-contact-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.footer-info-item {
    margin-bottom: 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact-item {
    border-bottom: none;
    padding-bottom: 0;
}

.footer-info-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.footer-info-value {
    font-size: 1.125rem;
    color: var(--pure-white);
    font-family: var(--font-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.footer-info-value-secondary {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-secondary);
    margin-bottom: 0;
}

.footer-social-item {
    display: flex;
    align-items: center;
    margin-top: auto;
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--pure-white);
    transition: all var(--transition-base);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-social-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.footer-linkedin-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .language-selector {
        margin-left: 0;
        margin-right: var(--spacing-sm);
    }
    
    .lang-btn {
        padding: 0.4rem 0.6rem;
    }
    
    .lang-code {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--pure-white);
        width: 100%;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transition: left var(--transition-base);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: 60vh;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .intro-image-wrapper {
        order: -1;
    }
    
    .intro-image {
        min-height: 300px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-image-wrapper {
        position: relative;
        top: 0;
    }
    
    .about-image {
        min-height: 300px;
    }
    
    .global-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .global-image {
        min-height: 300px;
    }
    
    .footer-contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-contact-right {
        align-items: flex-start;
    }
    
    .footer-social-item {
        margin-top: var(--spacing-md);
    }
    
    .intro,
    .about-content,
    .services-detail,
    .global-presence,
    .contact-content {
        padding: var(--spacing-lg) 0;
    }
    
    .service-item {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .logo-text {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: var(--spacing-sm);
    }
    
    .service-item {
        padding: var(--spacing-sm);
        border-left-width: 3px;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}