/* CSS Reset and Base Variables */
:root {
    /* Tetrada Color Scheme - Retro Theme */
    --primary-color: #ff6b35;      /* Orange - main accent */
    --secondary-color: #35a0ff;    /* Blue - complementary */
    --tertiary-color: #ff3588;     /* Pink - contrast */
    --quaternary-color: #35ff6b;   /* Green - balance */
    
    /* Supporting Colors */
    --primary-dark: #e55525;
    --secondary-dark: #2880d9;
    --tertiary-dark: #e52572;
    --quaternary-dark: #25e555;
    
    /* Neutral Colors */
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    
    /* Typography */
    --font-heading: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* 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);
    --shadow-retro: 4px 4px 0px var(--primary-color);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

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

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.875rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1rem, 1.2vw, 1.125rem);
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-medium);
}

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

/* Global Button Styles */
.btn, 
button, 
input[type="submit"], 
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-heading);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    background: linear-gradient(135deg, var(--primary-color), var(--tertiary-color));
    color: var(--white);
    box-shadow: var(--shadow-retro);
    transform: translateY(0);
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover, 
.button:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 0px var(--primary-dark), var(--shadow-lg);
    color: var(--white);
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary-dark), var(--tertiary-dark));
}

.btn:active, 
button:active, 
input[type="submit"]:active, 
.button:active {
    transform: translateY(0);
    box-shadow: 2px 2px 0px var(--primary-dark);
}

/* Button Variants */
.btn-secondary, .button.is-light {
    background: linear-gradient(135deg, var(--secondary-color), var(--quaternary-color));
    box-shadow: 4px 4px 0px var(--secondary-dark);
}

.btn-secondary:hover, .button.is-light:hover {
    background: linear-gradient(135deg, var(--secondary-dark), var(--quaternary-dark));
    box-shadow: 6px 6px 0px var(--secondary-dark), var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: none;
}

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

/* Read More Links */
.read-more, .read-more-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-medium);
    position: relative;
}

.read-more::after, .read-more-link::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-medium);
}

.read-more:hover, .read-more-link:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

.read-more:hover::after, .read-more-link:hover::after {
    transform: translateX(4px);
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.navbar-brand .title {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0;
}

.navbar-item {
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: all var(--transition-medium);
    position: relative;
}

.navbar-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-medium);
    transform: translateX(-50%);
}

.navbar-item:hover {
    color: var(--primary-color);
    background: transparent;
}

.navbar-item:hover::after {
    width: 80%;
}

/* Hero Section */
.hero {
    position: relative;
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 107, 53, 0.3), 
        rgba(255, 53, 136, 0.3), 
        rgba(53, 160, 255, 0.3), 
        rgba(53, 255, 107, 0.3)
    );
    z-index: 1;
}

.hero .hero-body {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
}

.hero .title, .hero .subtitle, .hero p {
    color: var(--white) !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--spacing-md);
}

.hero .title {
    animation: slideInDown 1s ease-out;
}

.hero .subtitle {
    animation: slideInUp 1s ease-out 0.2s both;
}

.hero .buttons {
    animation: fadeIn 1s ease-out 0.4s both;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* Card Styles */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    overflow: hidden;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: var(--shadow-lg), 8px 8px 0px var(--primary-color);
    border-color: var(--primary-color);
}

.card-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

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

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

.card-content p {
    flex-grow: 1;
    margin-bottom: var(--spacing-sm);
}

/* Image Container for Cards */
.image-container {
    width: 100%;
    height: 250px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0 auto;
}

/* Section Styles */
.section {
    padding: var(--spacing-xxl) var(--spacing-md);
    position: relative;
}

.section.has-background-light {
    background: linear-gradient(135deg, var(--gray-100), rgba(255, 107, 53, 0.05));
}

.section .title {
    text-align: center;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section .title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    margin: var(--spacing-sm) auto;
    border-radius: var(--radius-sm);
}

.section .subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

/* Methodology Section */
#methodology .card {
    text-align: center;
}

#methodology .card-content h3 {
    background: linear-gradient(45deg, var(--primary-color), var(--tertiary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Events Section */
#events .card {
    background: linear-gradient(135deg, var(--white), rgba(53, 255, 107, 0.05));
}

#events .card-content .subtitle {
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

/* Testimonials Section */
#testimonials .card {
    position: relative;
    text-align: center;
}

#testimonials .card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--spacing-md);
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: Georgia, serif;
}

#testimonials blockquote {
    font-style: italic;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

#testimonials footer {
    border-top: 2px solid var(--primary-color);
    padding-top: var(--spacing-sm);
}

#testimonials footer strong {
    color: var(--primary-color);
}

/* Accolades Section */
#accolades .card {
    background: linear-gradient(135deg, var(--white), rgba(53, 160, 255, 0.05));
    text-align: center;
}

#accolades .card-content h3 {
    color: var(--secondary-color);
}

#accolades .card-content p:first-of-type {
    font-weight: var(--font-weight-bold);
    color: var(--tertiary-color);
    margin-bottom: var(--spacing-sm);
}

/* Contact Section */
#contact .card {
    background: linear-gradient(135deg, var(--white), rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(10px);
}

.contact-form .field {
    margin-bottom: var(--spacing-md);
}

.contact-form .label {
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.contact-form .input,
.contact-form .textarea,
.contact-form .select select {
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    font-family: var(--font-body);
    transition: all var(--transition-medium);
    background: var(--white);
}

.contact-form .input:focus,
.contact-form .textarea:focus,
.contact-form .select select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    outline: none;
}

.contact-form .checkbox input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    accent-color: var(--primary-color);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-bg), var(--gray-800));
    color: var(--white);
    padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--primary-color), 
        var(--secondary-color), 
        var(--tertiary-color), 
        var(--quaternary-color)
    );
}

.footer .title,
.footer .title.is-4,
.footer .title.is-5 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer .title.is-4 {
    background: linear-gradient(45deg, var(--primary-color), var(--tertiary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer ul {
    list-style: none;
    padding: 0;
}

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

.footer ul li a {
    color: var(--white);
    opacity: 0.8;
    transition: all var(--transition-medium);
    position: relative;
}

.footer ul li a:hover {
    opacity: 1;
    color: var(--primary-color);
    text-decoration: none;
    padding-left: var(--spacing-xs);
}

.footer hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        var(--tertiary-color), 
        transparent
    );
    margin: var(--spacing-lg) 0;
}

/* Social Links in Footer */
.footer .social-links {
    margin-top: var(--spacing-md);
}

.footer .social-links a {
    display: inline-block;
    margin-right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(45deg, var(--primary-color), var(--tertiary-color));
    color: var(--white);
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.footer .social-links a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(45deg, var(--primary-dark), var(--tertiary-dark));
}

/* Success Page Styles */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        var(--primary-color), 
        var(--secondary-color), 
        var(--tertiary-color), 
        var(--quaternary-color)
    );
    text-align: center;
    padding: var(--spacing-md);
}

.success-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    animation: successBounce 0.6s ease-out;
}

.success-content h1 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.success-content p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Privacy and Terms Pages */
.content-page {
    padding-top: 100px;
    min-height: 100vh;
}

.content-page .container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

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

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

.content-page p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

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

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

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.is-active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--gray-700);
    transition: all var(--transition-medium);
}

.modal-close:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(90deg);
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes successBounce {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(-10deg);
    }
    50% {
        transform: scale(1.05) rotate(2deg);
    }
    70% {
        transform: scale(0.95) rotate(-1deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --spacing-xs: 0.4rem;
        --spacing-sm: 0.8rem;
        --spacing-md: 1.2rem;
        --spacing-lg: 1.6rem;
        --spacing-xl: 2.4rem;
        --spacing-xxl: 3.2rem;
    }
    
    .navbar-menu {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-md);
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .hero .hero-body {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .hero .title {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.5rem;
    }
    
    .hero .buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero .button {
        width: 100%;
        max-width: 300px;
        margin-bottom: var(--spacing-sm);
    }
    
    .card-image {
        height: 200px;
    }
    
    .image-container {
        height: 200px;
    }
    
    .footer .columns {
        text-align: center;
    }
    
    .footer .column {
        margin-bottom: var(--spacing-lg);
    }
    
    .content-page {
        padding-top: 80px;
    }
    
    .success-content {
        padding: var(--spacing-xl) var(--spacing-lg);
        margin: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero .title {
        font-size: 2rem;
    }
    
    .hero .subtitle {
        font-size: 1.25rem;
    }
    
    .card-content {
        padding: var(--spacing-md);
    }
    
    .contact-form .columns .column {
        padding: 0;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn, .button {
        padding: var(--spacing-sm);
        min-width: 100px;
        font-size: 0.9rem;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --shadow-retro: 3px 3px 0px var(--black);
    }
    
    .card {
        border: 2px solid var(--gray-400);
    }
    
    .btn, .button {
        border: 2px solid var(--black);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero {
        background-attachment: scroll;
    }
}

/* Print Styles */
@media print {
    .navbar, .footer, .btn, .button {
        display: none;
    }
    
    .section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-400);
        page-break-inside: avoid;
    }
}