/* PB04 Carriers - Global Styles */

/* CSS Variables */
:root {
    --primary: #0F6CBD;
    --accent: #10B981;
    --text: #0B1220;
    --bg: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
}

p {
    margin-bottom: 1rem;
}

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

a:hover, a:focus {
    text-decoration: underline;
    outline: none;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    padding: 2rem 0;
    min-height: 50vh;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1976D2 100%);
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/hero.svg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Navigation */
.nav {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
}

@media (min-width: 769px) {
    .mobile-menu {
        display: none;
    }
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services-section {
    padding: 60px 20px;
    background-color: #f8f9fb;
    text-align: center;
}

.services-section h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #333;
}

.subtitle {
    font-size: 1.1rem;
    color: #777;
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px 20px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.07);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: #222;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
}

/* About Us Section */
.about-us-section {
    background: #f9f9f9;
    padding: 4rem 1rem;
    text-align: center;
}

.about-us-container {
    max-width: 800px;
    margin: 0 auto;
}

.about-us-container h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #111;
}

.about-us-container p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 2rem;
}

.about-btn {
    display: inline-block;
    background-color: #10b981;
    color: white;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background 0.3s ease;
}

.about-btn:hover {
    background-color: #0e9f6e;
}

/* Trust Strip */
.trust-strip {
    background: var(--primary);
    color: white;
    padding: 3rem 0;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.stat span:last-child {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: var(--bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo img {
    height: 40px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.nav-links {
    display: none;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a:focus::after {
    width: 100%;
}

.nav-links a:hover, .nav-links a:focus {
    color: var(--primary);
    outline: none;
    text-decoration: none;
    transform: translateY(-1px);
}

.nav-links a[aria-current="page"] {
    color: var(--primary);
    font-weight: 600;
}

.mobile-menu {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
    padding: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1;
    transform: translateY(0);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover, .btn-primary:focus {
    background: #0D5BA3;
    border-color: #0D5BA3;
    transform: translateY(-3px) scale(1.02);
    outline: none;
    box-shadow: 0 8px 20px rgba(15,108,189,0.4);
    text-decoration: none;
}

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

.btn-secondary:hover, .btn-secondary:focus {
    background: var(--primary);
    color: white;
    outline: none;
    text-decoration: none;
}

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

.btn-accent:hover, .btn-accent:focus {
    background: #0D9768;
    border-color: #0D9768;
    transform: translateY(-3px) scale(1.02);
    outline: none;
    box-shadow: 0 8px 20px rgba(16,185,129,0.4);
    text-decoration: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 0.375rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-label.required::after {
    content: " *";
    color: #DC2626;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15,108,189,0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
    display: block;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-at-pickup {
    background: #F3E8FF;
    color: #7C3AED;
}

.status-in-transit {
    background: #EFF6FF;
    color: #1D4ED8;
}

.status-delayed {
    background: #FEF3C7;
    color: #D97706;
}

.status-at-delivery {
    background: #FDF2F8;
    color: #BE185D;
}

.status-delivered {
    background: #ECFDF5;
    color: #059669;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 1rem;
    background: var(--gray-200);
    border-radius: 0.5rem;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
    border-radius: 0.5rem;
}

/* Trust Strip */
.trust-strip {
    background: var(--gray-50);
    padding: 3rem 0;
    border-top: 1px solid var(--gray-200);
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat span:last-child {
    color: var(--gray-600);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    background: var(--text);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section a {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1rem;
    text-align: center;
    color: var(--gray-400);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

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

.table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-900);
    white-space: nowrap;
}

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

.table-container {
    overflow-x: auto;
    border-radius: 0.75rem;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--gray-600);
}

.loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray-600);
}

.empty-state h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left-color: var(--accent);
}

.toast.error {
    border-left-color: #DC2626;
}

.toast.info {
    border-left-color: var(--primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Focus styles */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Responsive Design */
@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row.full-width {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu {
        display: none;
    }
    
    .container {
        padding: 0 2rem;
    }
}

@media (min-width: 1024px) {
    .main-content {
        padding: 3rem 0;
    }
}

/* Print Styles */
@media print {
    .nav,
    .mobile-menu,
    .btn,
    #toast-container {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .page-header {
        page-break-after: avoid;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary: #000080;
        --accent: #006400;
        --text: #000000;
        --gray-600: #333333;
    }
}

/* Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-10px);
    }
    70% {
        transform: translateY(-5px);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* Animation Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

.animate-slide-down {
    animation: slideDown 0.4s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s;
}

/* Staggered Animation Delays */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }

/* Card Hover Effects */
.card {
    transition: all 0.3s ease;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* Page Animation */
.page-content {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Input Focus Effects */
.form-input, .form-select, .form-textarea {
    transition: all 0.3s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(15, 108, 189, 0.1);
}

/* Logo Animation */
.logo img {
    transition: all 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

/* Footer Styles */
.footer {
    background: var(--gray-800);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-section p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: var(--gray-300);
}

.footer-section a {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    color: var(--gray-400);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}