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

:root {
    /* Color Palette - Professional logistics with red primary */
    --primary-color: #d32f2f;        /* ACCESSIBILITY FIX: Darker red for better contrast */
    --primary-dark: #b91c1c;         /* Darker red for page headers */
    --secondary-color: #475569;       /* Industrial slate gray */
    --secondary-dark: #334155;       /* Darker slate for page headers */
    --accent-color: #f59e0b;          /* Warm amber accent */
    --accent-light: #fbbf24;          /* Light amber for highlights */
    --background-color: #ffffff;      /* Clean white */
    --background-light: #f8fafc;      /* Very light blue-gray */
    --text-color: #1e293b;           /* Deep slate for primary text */
    --text-light: #64748b;           /* Medium gray for secondary text */
    --text-medium: #374151;          /* ACCESSIBILITY FIX: Darker gray for better contrast */
    --text-muted: #94a3b8;           /* Light gray for muted text */
    --border-color: #e2e8f0;         /* Light blue-gray border */
    --success-color: #059669;         /* Professional green */
    --warning-color: #d97706;         /* Professional orange */
    --error-color: #dc2626;           /* Professional red */
    
    /* Enhanced shadows for depth */
    --shadow-light: 0 1px 3px rgba(211, 47, 47, 0.1);
    --shadow-medium: 0 4px 6px rgba(211, 47, 47, 0.15);
    --shadow-heavy: 0 10px 25px rgba(211, 47, 47, 0.2);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Typography - Professional and modern */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-h1: 2.5rem;          /* 40px */
    --font-size-h2: 2rem;            /* 32px */
    --font-size-h3: 1.5rem;          /* 24px */
    --font-size-h4: 1.25rem;         /* 20px */
    --font-size-body: 1rem;          /* 16px */
    --font-size-small: 0.875rem;     /* 14px */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Enhanced spacing system */
    --spacing-xs: 0.5rem;            /* 8px */
    --spacing-sm: 1rem;              /* 16px */
    --spacing-md: 1.5rem;            /* 24px */
    --spacing-lg: 2rem;              /* 32px */
    --spacing-xl: 3rem;              /* 48px */
    --spacing-2xl: 4rem;             /* 64px */
    --spacing-3xl: 6rem;             /* 96px */
    
    /* Layout and components */
    --max-width: 1200px;
    --border-radius-sm: 0.375rem;    /* 6px */
    --border-radius: 0.5rem;         /* 8px */
    --border-radius-lg: 0.75rem;     /* 12px */
    --border-radius-xl: 1rem;        /* 16px */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

h1 { 
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.025em;
}

h2 { 
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-semibold);
}

h3 { 
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
}

h4 { 
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-medium);
}

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    color: var(--text-light);
}

/* Enhanced Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-body);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    line-height: 1.4;
    white-space: nowrap;
    user-select: none;
    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: linear-gradient(135deg, var(--primary-color), #b71c1c); /* ACCESSIBILITY FIX: Darker gradient for better contrast */
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #b71c1c, var(--primary-color)); /* ACCESSIBILITY FIX: Darker gradient for better contrast */
    border-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

/* Enhanced Header Navigation */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.99);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

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

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icons {
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
    transition: var(--transition);
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 1.5;
}

.logo-arrow {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    transition: var(--transition);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.logo-text {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    letter-spacing: 1px;
    transition: var(--transition);
}

.footer-logo-container .logo-icon,
.footer-logo-container .logo-arrow {
    color: white;
    fill: currentColor;
    stroke: currentColor;
}

.footer-logo-container .logo-text {
    color: white;
    font-size: 20px;
}

.logo-container:hover .logo-icon,
.logo-container:hover .logo-arrow {
    transform: scale(1.1);
}

.logo-container:hover .logo-text {
    color: var(--primary-color);
}

.footer-logo-container:hover .logo-text {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: var(--font-weight-medium);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(211, 47, 47, 0.1);
}

/* Mobile Navigation */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Enhanced Hero Section */
.hero {
    margin-top: 80px;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%); /* ACCESSIBILITY FIX: Cleaner white to light gray gradient for better text contrast */
    display: flex;
    align-items: center;
    min-height: 90vh;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.03) 0%, rgba(71, 85, 105, 0.03) 100%); /* ACCESSIBILITY FIX: Reduced overlay opacity for better text contrast */
    pointer-events: none;
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-color); /* ACCESSIBILITY FIX: Already good contrast with #1e293b on light background */
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1); /* ACCESSIBILITY FIX: Subtle text shadow for better definition */
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-medium); /* ACCESSIBILITY FIX: Darker gray for better contrast on light background */
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    font-weight: var(--font-weight-medium); /* ACCESSIBILITY FIX: Medium font weight for better readability */
}

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

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-heavy);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.hero-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-heavy), 0 20px 40px rgba(211, 47, 47, 0.15);
}

/* Services Section */
.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--background-color);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.card-image {
    position: relative;
    overflow: hidden;
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--text-medium); /* ACCESSIBILITY FIX: Darker gray for better contrast on white background */
    margin-bottom: var(--spacing-md);
    line-height: 1.6; /* ACCESSIBILITY FIX: Increased line height for better readability */
    font-size: 1rem; /* ACCESSIBILITY FIX: Explicit font size for consistency */
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.card-link:hover {
    color: #b71c1c; /* ACCESSIBILITY FIX: Darker red for better contrast on hover */
}

/* Enhanced Mission Section */
.mission {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #b71c1c 50%, var(--secondary-color) 100%); /* ACCESSIBILITY FIX: Darker gradient for better contrast */
    color: white;
    position: relative;
    overflow: hidden;
}

.mission::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.mission .section-title {
    color: white; /* ACCESSIBILITY FIX: Explicit white color for better contrast */
    position: relative;
    z-index: 2;
    font-weight: var(--font-weight-bold); /* ACCESSIBILITY FIX: Bold font weight for better readability */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); /* ACCESSIBILITY FIX: Text shadow for better definition */
}

.mission .section-title::after {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.mission-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.3); /* ACCESSIBILITY FIX: Darker background for better text contrast */
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3); /* ACCESSIBILITY FIX: Stronger border for better definition */
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.mission-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s;
}

.mission-item:hover::before {
    left: 100%;
}

.mission-item:hover {
    transform: translateY(-8px);
    background: rgba(0, 0, 0, 0.4); /* ACCESSIBILITY FIX: Darker hover background for better contrast */
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); /* ACCESSIBILITY FIX: Stronger shadow for better definition */
}

.mission-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    color: white;
}

.mission-icon svg {
    width: 48px;
    height: 48px;
}

.mission-item h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    color: white; /* ACCESSIBILITY FIX: Explicit white color for better contrast */
    font-weight: var(--font-weight-semibold); /* ACCESSIBILITY FIX: Stronger font weight for better readability */
}

.mission-item p {
    line-height: 1.6; /* ACCESSIBILITY FIX: Increased line height for better readability */
    opacity: 1; /* ACCESSIBILITY FIX: Full opacity for better contrast on dark background */
    color: rgba(255, 255, 255, 0.95); /* ACCESSIBILITY FIX: Slightly softer white for better readability */
    font-size: 1.1rem; /* ACCESSIBILITY FIX: Slightly larger font size for better readability */
}

/* Enhanced About Preview Section */
.about-preview {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, #f1f5f9 100%);
    position: relative;
}

.about-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.02) 0%, rgba(71, 85, 105, 0.02) 100%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
}

.about-text p {
    color: var(--text-medium); /* ACCESSIBILITY FIX: Darker gray for better contrast on light background */
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-size: 1.125rem;
    font-weight: var(--font-weight-normal); /* ACCESSIBILITY FIX: Normal font weight for better readability */
}

.about-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-heavy);
    transition: var(--transition);
}

.about-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-heavy), 0 20px 40px rgba(211, 47, 47, 0.15);
}

/* Enhanced Footer */
.footer {
    background: linear-gradient(135deg, var(--text-color) 0%, #1e293b 100%);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-grid)"/></svg>');
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.footer-logo-img {
    height: 40px;
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

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

.footer-description {
    color: rgba(255, 255, 255, 0.95); /* ACCESSIBILITY FIX: Increased opacity for better contrast */
    line-height: 1.6;
    font-size: 1rem;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.95); /* ACCESSIBILITY FIX: Increased opacity for better contrast */
    text-decoration: none;
    transition: var(--transition);
    font-weight: var(--font-weight-medium);
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.9); /* ACCESSIBILITY FIX: Increased opacity for better contrast */
    position: relative;
    z-index: 2;
}

/* Page Header for Sub-pages */
.page-header {
    margin-top: 70px;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%); /* ACCESSIBILITY FIX: Darker gradient for better contrast with white text */
    color: white;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1); /* ACCESSIBILITY FIX: Subtle dark overlay for better text contrast */
    pointer-events: none;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
    color: white; /* ACCESSIBILITY FIX: Explicit white color for better contrast */
    font-weight: var(--font-weight-bold); /* ACCESSIBILITY FIX: Bold font weight for better readability */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); /* ACCESSIBILITY FIX: Text shadow for better definition */
    position: relative;
    z-index: 2; /* ACCESSIBILITY FIX: Ensure text appears above overlay */
}

.page-header p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95); /* ACCESSIBILITY FIX: Higher opacity for better contrast */
    max-width: 600px;
    margin: 0 auto;
    font-weight: var(--font-weight-medium); /* ACCESSIBILITY FIX: Medium font weight for better readability */
    line-height: 1.6; /* ACCESSIBILITY FIX: Increased line height for better readability */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* ACCESSIBILITY FIX: Subtle text shadow for better definition */
    position: relative;
    z-index: 2; /* ACCESSIBILITY FIX: Ensure text appears above overlay */
}

/* Content Section */
.content-section {
    padding: var(--spacing-2xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

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

.content-text h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.content-text p {
    color: var(--text-medium); /* ACCESSIBILITY FIX: Darker gray for better contrast on white background */
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    font-size: 1rem; /* ACCESSIBILITY FIX: Explicit font size for consistency */
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* Contact Locations */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.location-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.location-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.location-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.location-card p {
    color: var(--text-medium); /* ACCESSIBILITY FIX: Darker gray for better contrast on white background */
    line-height: 1.6; /* ACCESSIBILITY FIX: Increased line height for better readability */
    margin-bottom: var(--spacing-xs);
    font-size: 1rem; /* ACCESSIBILITY FIX: Explicit font size for consistency */
}

/* Form Validation Styles */
.form-error {
    border-color: var(--error-color) !important;
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.1);
}

.form-valid {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.1);
}

.form-error:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.form-valid:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-lg);
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero Section Mobile */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* About Content Mobile */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* Content Grid Mobile */
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    /* Mission Grid Mobile */
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    /* Services Grid Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 12px;
        --spacing-md: 20px;
        --spacing-lg: 28px;
        --spacing-xl: 40px;
        --spacing-xxl: 48px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 16px;
    }
}