/* CSS Variables - Triadic Color Scheme */
:root {
    /* Primary Colors - Triadic */
    --primary-color: #FF6B35;
    --secondary-color: #35FF6B;
    --tertiary-color: #6B35FF;
    
    /* Neutral Colors */
    --bg-color: #F8F9FA;
    --white: #FFFFFF;
    --black: #000000;
    --dark-gray: #2C3E50;
    --light-gray: #ECF0F1;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    
    /* Retro Colors */
    --retro-orange: #FF8C42;
    --retro-green: #8FBC8F;
    --retro-cream: #FFF8DC;
    --retro-brown: #8B4513;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--retro-orange));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--retro-green));
    --gradient-dark: linear-gradient(135deg, var(--dark-gray), #34495E);
    --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.3));
    
    /* Typography */
    --font-heading: 'Archivo Black', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-medium);
    cursor: pointer;
    border: 2px solid transparent;
    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 var(--transition-medium);
}

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

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 249, 250, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo a:hover {
    color: var(--tertiary-color);
}

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

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all var(--transition-medium);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--white);
}

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

/* About Section */
.about {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

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

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-medium);
}

.feature:hover {
    transform: translateY(-5px);
}

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

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

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-xxl) 0;
    background: var(--retro-cream);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    text-align: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
    margin: 0 auto;
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: var(--spacing-lg);
    text-align: center;
    flex: 1;
}

.card-content h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.card-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.process-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--retro-cream);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--light-gray);
}

.accordion-header h3 {
    margin: 0;
    color: var(--text-dark);
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.accordion-item.active .accordion-content {
    padding: var(--spacing-lg);
    max-height: 200px;
}

/* Statistics Section */
.statistics {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    color: var(--white);
}

.statistics .section-title {
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    transition: transform var(--transition-medium);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--white);
}

/* Resources Section */
.resources {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.resources-content {
    text-align: center;
}

.resources-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.resource-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
}

.resource-item:hover {
    transform: translateY(-5px);
}

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

.resource-item p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.resource-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.resource-link:hover {
    color: var(--tertiary-color);
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.contact-item {
    margin-bottom: var(--spacing-lg);
}

.contact-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* Form Styles */
.form {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 0;
    border: none;
    border-bottom: 2px solid var(--text-light);
    background: transparent;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-group label {
    position: absolute;
    top: var(--spacing-sm);
    left: 0;
    color: var(--text-light);
    transition: all var(--transition-fast);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -20px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

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

.form-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.toggle-input {
    position: relative;
    width: 50px;
    height: 24px;
    appearance: none;
    background: var(--text-light);
    border-radius: 12px;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.toggle-input:checked {
    background: var(--primary-color);
}

.toggle-input::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle-input:checked::after {
    transform: translateX(26px);
}

.toggle-label {
    color: var(--text-dark);
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--white);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.social-links a {
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--white);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #495057;
    color: var(--text-light);
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.success-content {
    max-width: 600px;
    padding: var(--spacing-xl);
}

.success-content h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.success-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
}

/* Page Content (for individual pages) */
.page-content {
    padding-top: 100px;
    padding-bottom: var(--spacing-xxl);
    min-height: 80vh;
}

.page-content h1 {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.page-content .container {
    max-width: 800px;
}

.page-content h2 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

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

.page-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.page-content ul, .page-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.page-content li {
    margin-bottom: var(--spacing-xs);
}

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

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

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .success-content h1 {
        font-size: 2rem;
    }
    
    .success-content p {
        font-size: 1.1rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header, .footer {
        display: none;
    }
    
    .page-content {
        padding-top: 0;
    }
    
    * {
        color: black !important;
        background: white !important;
    }
}