/* Global Styles */
:root {
    /* Color Palette */
    --primary: #E53935;  /* Blood red */
    --primary-light: #FF6F60;
    --primary-dark: #AB000D;
    --secondary: #1A237E;  /* Dark blue */
    --secondary-light: #534BAE;
    --secondary-dark: #000051;
    --accent: #00796B;  /* Teal */
    --accent-light: #48A999;
    --accent-dark: #004C40;
    --success: #43A047;
    --warning: #FFA000;
    --error: #C62828;
    --neutral-100: #F5F5F5;
    --neutral-200: #EEEEEE;
    --neutral-300: #E0E0E0;
    --neutral-400: #BDBDBD;
    --neutral-500: #9E9E9E;
    --neutral-600: #757575;
    --neutral-700: #616161;
    --neutral-800: #424242;
    --neutral-900: #212121;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --body-line-height: 1.5;
    --heading-line-height: 1.2;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Box Shadow */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.24);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.24);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html, body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: var(--body-line-height);
    color: var(--neutral-800);
    background-color: var(--neutral-100);
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--heading-line-height);
    margin-bottom: var(--spacing-md);
    color: var(--neutral-900);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

input, select, textarea, button {
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.logo span {
    color: var(--primary);
    font-weight: 700;
}

.logo p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--neutral-600);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: var(--spacing-lg);
}

nav ul li a {
    font-weight: 500;
    color: var(--neutral-700);
    position: relative;
}

nav ul li a:hover {
    color: var(--primary);
}

nav ul li a.active {
    color: var(--primary);
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--neutral-700);
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Footer */
footer {
    background-color: var(--secondary-dark);
    color: white;
    padding: var(--spacing-xl) 0 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.footer-logo h2 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-logo p {
    color: var(--neutral-400);
    font-size: 0.9rem;
}

.footer-links, .footer-contact, .footer-social {
    margin-bottom: var(--spacing-xl);
}

.footer-links h3, .footer-contact h3, .footer-social h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-links ul li a {
    color: var(--neutral-300);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-light);
}

.footer-contact p {
    margin-bottom: var(--spacing-sm);
    color: var(--neutral-300);
}

.footer-contact i {
    margin-right: var(--spacing-sm);
    color: var(--primary-light);
}

.social-icons {
    display: flex;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    width: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    margin-right: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin-bottom: 0;
    color: var(--neutral-400);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background-color: var(--primary);
    color: white;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--neutral-700);
}

input, select, textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--neutral-300);
    border-radius: var(--border-radius-md);
    background-color: white;
    transition: border var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    display: none;
}

/* Responsive Styles */
@media (max-width: 991px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header {
        padding: var(--spacing-md);
    }
    
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    nav ul.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    nav ul li {
        margin: 0;
        width: 100%;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: var(--spacing-md) 0;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo, .footer-links, .footer-contact, .footer-social {
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
}