/**
 * LogiTrack - Main Stylesheet
 * Modern Logistics Website CSS
 */

/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    /* Primary Colors */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    
    /* Secondary Colors */
    --secondary: #059669;
    --secondary-dark: #047857;
    --secondary-light: #10b981;
    
    /* Accent Colors */
    --accent: #f59e0b;
    --accent-dark: #d97706;
    
    /* Neutral Colors */
    --dark: #1f2937;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
    background: none;
}

/* ========================================
   Layout & Container
======================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: 5rem 0;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--gray-500); }
.text-white { color: var(--white); }

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header .subtitle {
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--gray-600);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 2px 8px rgba(5, 150, 105,0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(5, 150, 105,0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    font-weight: 600;
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--primary);
}

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

.btn-white:hover {
    background-color: var(--gray-100);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
}

.btn-success {
    background-color: var(--success);
    color: var(--white);
    border-color: var(--success);
}

.btn-block {
    width: 100%;
}

/* ========================================
   Top Bar
======================================== */
.top-bar {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

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

.top-bar-left {
    display: flex;
    gap: var(--spacing-xl);
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.top-bar-left i {
    color: var(--primary-light);
}

.top-bar-right .social-links {
    display: flex;
    gap: var(--spacing-md);
}

.top-bar-right .social-links a {
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.top-bar-right .social-links a:hover {
    color: var(--white);
}

/* ========================================
   Main Header & Navigation
======================================== */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.logo i {
    font-size: 2.2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: center;
}

.nav-menu a {
    font-weight: 600;
    color: var(--gray-700);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    font-size: 1.05rem;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: all var(--transition-fast);
    z-index: -1;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.1);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    opacity: 1;
    transform: scale(1);
}

.nav-menu a:active {
    transform: translateY(0);
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.nav-buttons .btn {
    padding: 0.7rem 1.35rem;
    font-size: 1.05rem;
    white-space: nowrap;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    min-width: 40px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: white;
    border-radius: 2px;
    transition: var(--transition-fast);
    margin: 0 auto;
}

.mobile-menu-btn.active {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 100px;
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    color: var(--white);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-text p {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Hero Tracking Box */
.hero-tracking-box {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.hero-tracking-box h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.tracking-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tracking-input-group {
    display: flex;
    gap: var(--spacing-md);
}

.tracking-input-group input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.tracking-input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.tracking-input-group .btn {
    padding: 1rem 2rem;
}

.tracking-hint {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* ========================================
   Features Section
======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.feature-card h4 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ========================================
   Stats Section
======================================== */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stat-label {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* ========================================
   Services Section
======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image i {
    font-size: 4rem;
    color: var(--white);
}

.service-content {
    padding: var(--spacing-xl);
}

.service-content h4 {
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.service-price {
    font-size: var(--font-size-sm);
    color: var(--primary);
    font-weight: 600;
}

/* ========================================
   Testimonials Section
======================================== */
.testimonials-section {
    background-color: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-xl);
    font-size: 4rem;
    color: var(--primary-light);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
}

.testimonial-avatar-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
    object-position: center;
    border: 2px solid var(--primary-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.testimonial-info h5 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.testimonial-info span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* ========================================
   Partners Section
======================================== */
.partners-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--white);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.partner-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-400);
    opacity: 0.7;
    transition: var(--transition-fast);
}

.partner-logo:hover {
    opacity: 1;
    color: var(--gray-600);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: linear-gradient(135deg, #312e81 0%, #1e40af 50%, #0d9488 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ========================================
   Footer
======================================== */
.main-footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
}

.footer-top {
    padding: var(--spacing-3xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-logo-image {
    max-height: 50px;
    max-width: 200px;
    object-fit: contain;
    display: block;
}

.footer-logo i {
    font-size: var(--font-size-3xl);
    color: var(--primary-light);
}

.footer-desc {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--primary);
    color: var(--white);
}

.footer-col h4 {
    color: var(--white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-contact i {
    color: var(--primary-light);
    width: 20px;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding: var(--spacing-lg) 0;
}

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

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-bottom-links a {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

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

/* Version Badge */
.version-badge {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-400);
    vertical-align: middle;
    transition: all 0.3s ease;
}

.version-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

/* ========================================
   Forms
======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--gray-700);
    background-color: var(--white);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: #94a3b8;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    border-radius: var(--radius-lg);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-control:hover:not(:focus) {
    border-color: #cbd5e1;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-text {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    color: var(--danger);
}

/* ========================================
   Cards
======================================== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.card-header h3 {
    font-size: var(--font-size-xl);
    margin: 0;
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* ========================================
   Tables
======================================== */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-700);
    background-color: var(--gray-50);
    white-space: nowrap;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.table-striped tbody tr:nth-child(even) {
    background-color: var(--gray-50);
}

/* ========================================
   Badges
======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.875rem;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}

.badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.badge-primary { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); color: white; }
.badge-secondary { background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%); color: white; }
.badge-success { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: white; }
.badge-warning { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); color: white; }
.badge-danger { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); color: white; }
.badge-info { background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%); color: white; }
.badge-dark { background: linear-gradient(135deg, #374151 0%, #1f2937 100%); color: white; }

/* ========================================
   Alerts
======================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-left: 4px solid var(--info);
}

.alert-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ========================================
   Flash Messages (Modern Alert Boxes)
======================================== */
.flash-message {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid;
    border-left-width: 4px;
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1), fadeOut 0.5s ease-in 4.5s forwards;
}

@keyframes slideDown {
    from { 
        opacity: 0; 
        transform: translateY(-15px) scale(0.98); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

@keyframes fadeOut {
    from { 
        opacity: 1; 
        transform: translateY(0) scale(1);
    }
    to { 
        opacity: 0; 
        transform: translateY(-10px) scale(0.98);
    }
}

.flash-message.success {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    border-left-color: #22c55e;
    color: #15803d;
}

.flash-message.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    border-left-color: #ef4444;
    color: #b91c1c;
}

.flash-message.info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    border-left-color: #3b82f6;
    color: #1d4ed8;
}

.flash-message.warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    border-left-color: #f59e0b;
    color: #b45309;
}

.flash-message i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ========================================
   Tracking Timeline
======================================== */
.tracking-timeline {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.tracking-timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

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

.timeline-dot {
    position: absolute;
    left: -25px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background-color: var(--gray-300);
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.timeline-item.active .timeline-dot {
    background-color: var(--success);
}

.timeline-item.current .timeline-dot {
    background-color: var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(30, 64, 175, 0); }
}

.timeline-content h5 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.timeline-date {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

/* ========================================
   Pagination
======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
}

.page-link:hover,
.page-link.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.page-dots {
    color: var(--gray-400);
}

/* ========================================
   Page Headers
======================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.6;
}

/* ========================================
   Auth Pages
======================================== */
.auth-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl);
    text-align: center;
}

.auth-header .logo {
    justify-content: center;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.auth-header h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    opacity: 0.9;
    margin-bottom: 0;
}

.auth-body {
    padding: var(--spacing-2xl);
}

.auth-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.auth-footer p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ========================================
   Responsive Styles
======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        max-width: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .main-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        min-height: 70px;
    }
    
    .navbar {
        padding: var(--spacing-md) var(--spacing-md);
        gap: var(--spacing-md);
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        font-size: 1.4rem;
        flex-shrink: 1;
        min-width: 0;
        order: 0;
    }
    
    .logo i {
        font-size: 1.8rem;
    }
    
    .logo span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Translator positioning on mobile */
    .translate-wrapper {
        order: 1;
        flex-shrink: 0;
    }
    
    .mobile-menu-btn {
        order: 2;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-xl);
        gap: var(--spacing-sm);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        transform: translateY(-150%);
        transition: all var(--transition);
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-150%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-menu a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
        font-weight: 600;
        color: var(--gray-800);
        transition: all var(--transition-fast);
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--primary);
        transform: translateX(8px);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .nav-menu a i {
        width: 20px;
        text-align: center;
        color: var(--primary);
        opacity: 0.8;
    }
    
    .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        flex-shrink: 0;
        margin-left: var(--spacing-sm);
    }
    
    /* Enhanced Mobile Login Items */
    .mobile-login-item {
        display: block;
        border-top: 1px solid var(--gray-200);
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
    }
    
    .mobile-login-item a {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md) 0 !important;
        color: var(--primary) !important;
        font-weight: 700 !important;
        background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
        padding: var(--spacing-md) var(--spacing-lg) !important;
        border-radius: var(--radius-lg);
        margin: var(--spacing-xs) 0;
        transition: all var(--transition-fast) !important;
    }
    
    .mobile-login-item a:hover {
        background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
        transform: translateX(4px) !important;
    }
    
    .mobile-login-item a i {
        width: 24px;
        text-align: center;
        font-size: var(--font-size-lg);
    }
    
    .mobile-login-item:first-of-type {
        border-top: 1px solid var(--gray-200);
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
    }
    
    .mobile-login-item + .mobile-login-item {
        border-top: none;
        margin-top: 0;
        padding-top: 0;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .stats-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-logo-image {
        max-height: 45px;
        max-width: 180px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tracking-input-group {
        flex-direction: column;
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-tracking-box {
        padding: var(--spacing-lg);
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .footer-logo-image {
        max-height: 40px;
        max-width: 160px;
    }
}

/* ========================================
   Tracking Page Responsive Styles
======================================== */
@media (max-width: 768px) {
    /* Progress Steps - Vertical on Mobile */
    .progress-steps {
        flex-direction: column;
        gap: 0;
    }
    
    .progress-step {
        flex-direction: row;
        align-items: center;
        text-align: left;
        padding: 12px 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .progress-step:last-child {
        border-bottom: none;
    }
    
    .step-icon {
        margin-bottom: 0;
        margin-right: 15px;
        width: 44px;
        height: 44px;
        font-size: 1rem;
        flex-shrink: 0;
    }
    
    .step-label {
        flex: 1;
        font-size: 0.95rem;
    }
    
    .step-connector {
        display: none;
    }
    
    /* Details Grid - Stack on mobile */
    .details-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    /* Map container */
    #trackingMap {
        height: 280px;
    }
    
    /* Timeline adjustments */
    .tracking-timeline {
        padding-left: var(--spacing-xl);
    }
    
    .timeline-item {
        padding-bottom: var(--spacing-lg);
    }
    
    .timeline-dot {
        left: -22px;
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 480px) {
    /* Progress step smaller on very small screens */
    .progress-step {
        padding: 10px 0;
    }
    
    .step-icon {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
        margin-right: 12px;
    }
    
    .step-label {
        font-size: 0.875rem;
    }
    
    /* Map smaller on very small screens */
    #trackingMap {
        height: 220px;
    }
    
    /* Detail cards padding */
    .detail-card {
        padding: 18px;
    }
    
    .detail-card h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    /* Timeline more compact */
    .tracking-timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-content h5 {
        font-size: 0.9rem;
    }
    
    .timeline-content p {
        font-size: 0.8rem;
    }
    
    .timeline-date {
        font-size: 0.7rem;
    }
}

/* Mobile Login Items - Hidden on desktop, shown in mobile menu */
.mobile-login-item {
    display: none;
}

@media (max-width: 768px) {
    .mobile-login-item {
        display: block;
        border-top: 1px solid var(--gray-200);
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
    }
    
    .mobile-login-item a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: var(--spacing-md) 0;
        color: var(--primary);
        font-weight: 600;
    }
    
    .mobile-login-item a i {
        width: 20px;
        text-align: center;
    }
    
    .mobile-login-item:first-of-type {
        border-top: 1px solid var(--gray-200);
    }
    
    .mobile-login-item + .mobile-login-item {
        border-top: none;
        margin-top: 0;
        padding-top: 0;
    }
}

/* Google Translate - Hide default banner */
.goog-te-banner-frame {
    display: none !important;
    visibility: hidden !important;
}

body {
    top: 0 !important;
}

/* Hide Google Translate top bar */
.goog-te-banner-frame.skiptranslate {
    display: none !important;
}