/**
 * Logistics Solution - Main Stylesheet
 * 
 * This file contains component-specific styles.
 * Base design tokens are defined in design-system.css
 */

/* Import Design System */
@import url('design-system.css');

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */
.container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-5);
    width: 100%;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-base);
    position: sticky;
    top: 0;
    z-index: var(--z-index-sticky);
}

/* Homepage header styles are in homepage.css */
body:not(.homepage) header {
    position: sticky;
}

.navbar {
    padding: var(--spacing-4) 0;
}

.navbar .container {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
}

.navbar-brand a {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

.navbar-brand a:hover {
    color: var(--color-accent);
}

.navbar-menu {
    display: flex !important;
    list-style: none !important;
    gap: var(--spacing-8);
    margin: 0 !important;
    padding: 0 !important;
    flex-direction: row;
}

.navbar-menu li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.navbar-menu a {
    color: var(--color-primary);
    text-decoration: none !important;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    position: relative;
    padding: var(--spacing-2) 0;
    display: block;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--color-accent);
}

.navbar-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--border-width-2);
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
    background-color: var(--bg-secondary);
    padding: var(--spacing-4) 0;
    border-bottom: var(--border-width) solid var(--border-color);
}

.breadcrumbs ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-link);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--text-link-hover);
}

.breadcrumbs li:not(:last-child)::after {
    content: '/';
    color: var(--text-light);
    margin-left: var(--spacing-2);
}

/* ============================================
   FOOTER - PROFESSIONAL MODERN DESIGN
   ============================================ */
.footer {
    background-color: #1a1f35;
    color: #e5e7eb;
    margin-top: var(--spacing-24);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

body:not(.homepage) .footer {
    margin-top: var(--spacing-16);
}

.footer .container {
    max-width: 1200px;
    padding: 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 64px 0 48px;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 16px 0;
    letter-spacing: -0.01em;
}

.footer-statement {
    color: #9ca3af;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 24px 0;
    max-width: 320px;
}

.footer-section h4 {
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 20px 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section ul li {
    margin: 0;
    padding: 0;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: #CFA64E;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    margin: 0;
    color: #6b7280;
    font-size: 13px;
}

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

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #d1d5db;
}

.footer-separator {
    color: #4b5563;
}

/* ============================================
   RESOURCES
   ============================================ */
.resources-list {
    margin-top: var(--spacing-8);
}

.resource-item {
    background-color: var(--bg-secondary);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-lg);
    border-left: var(--border-width-4) solid var(--color-primary);
    transition: var(--transition-base);
}

.resource-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.resource-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.resource-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.resource-meta {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.resource-type {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.resource-date {
    color: var(--text-light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.resource-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    flex-wrap: wrap;
}

.resource-type-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.resource-type-guide {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.resource-type-case-study {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.resource-type-blog {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
}

.resource-excerpt {
    color: var(--text-light);
    margin: var(--spacing-4) 0;
    line-height: var(--line-height-relaxed);
}

.resource-keyword {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-right: var(--spacing-2);
    margin-top: var(--spacing-2);
}

/* ============================================
   SOLUTION PAGES
   ============================================ */
.solution-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1A2368 100%);
    color: var(--text-inverse);
    padding: var(--spacing-16) 0;
    margin-bottom: var(--spacing-12);
}

.solution-hero h1 {
    color: var(--text-inverse);
    margin-bottom: var(--spacing-4);
}

.solution-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
}

.solution-content {
    padding: var(--spacing-12) 0;
}

.solution-outcomes,
.solution-pain-points {
    background-color: var(--bg-secondary);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-8);
}

.solution-outcomes h3,
.solution-pain-points h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

/* ============================================
   MODULE PAGES
   ============================================ */
.module-section {
    margin-bottom: var(--spacing-12);
    padding: var(--spacing-8);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.module-section h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.module-problem,
.module-solution,
.module-metrics {
    margin-bottom: var(--spacing-6);
}

.module-problem strong,
.module-solution strong,
.module-metrics strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.resource-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    flex-wrap: wrap;
}

.resource-type-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.resource-type-guide {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.resource-type-case-study {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.resource-type-blog {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
}

.resource-excerpt {
    color: var(--text-light);
    margin: var(--spacing-4) 0;
    line-height: var(--line-height-relaxed);
}

.resource-keyword {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-right: var(--spacing-2);
    margin-top: var(--spacing-2);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 56px 0 40px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
    
    .footer-statement {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .navbar-menu {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
        width: 100%;
    }
    
    .hero {
        padding: var(--spacing-12) 0;
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
    
    .solutions-grid,
    .industries-grid,
    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .resource-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 48px 0 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding: 20px 0;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-separator {
        display: none;
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .btn {
        width: 100%;
        display: block;
    }
    
    .btn-sm,
    .btn-lg {
        width: auto;
        display: inline-block;
    }
}