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

:root {
    /* Vivid Blues */
    --blue-primary: #2396ed;
    --blue-secondary: #4ea3e1;
    --blue-tertiary: #6ccaf2;
    
    /* Bright Oranges */
    --orange-primary: #ffb938;
    --orange-secondary: #ff974e;
    --orange-tertiary: #ffaa46;
    
    /* Clear Yellows */
    --yellow-primary: #ffe047;
    --yellow-secondary: #fbe76c;
    
    /* Rich Magentas */
    --magenta-primary: #e05ea3;
    --magenta-secondary: #c764c7;
    
    /* Deep Purples */
    --purple-primary: #775bc4;
    --purple-secondary: #6a50b9;
    
    /* Background & Text */
    --bg-light: #f5f7fa;
    --white: #ffffff;
    --text-dark: #253147;
    --text-darker: #182032;
    --border-color: #e0e0e0;
    
    /* Shadows */
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 5px;
    background: var(--white);
    padding: 5px;
    border-radius: 25px;
    box-shadow: var(--shadow);
}

.lang-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--blue-primary);
    cursor: pointer;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-secondary));
    color: var(--white);
}

.lang-btn:hover {
    background: var(--bg-light);
}

.lang-btn.active:hover {
    background: linear-gradient(135deg, var(--blue-secondary), var(--blue-tertiary));
    opacity: 0.9;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 999;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--orange-primary), var(--magenta-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--blue-primary);
}

/* Hero Section */
.hero {
    position: relative;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(35, 150, 237, 0.75) 0%, 
        rgba(224, 94, 163, 0.7) 30%,
        rgba(255, 184, 56, 0.7) 60%,
        rgba(117, 91, 196, 0.75) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-secondary));
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 184, 56, 0.4);
}

.cta-button:hover {
    background: linear-gradient(135deg, var(--orange-secondary), var(--orange-tertiary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 56, 0.5);
}

/* Section Styles */
.about, .events, .contact {
    padding: 80px 0;
}

.about {
    background: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-darker);
    font-weight: 700;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image-wrapper {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    text-align: left;
}

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.event-card {
    background: var(--white);
    padding: 0;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.event-card:nth-child(1) {
    border-top: 4px solid var(--blue-primary);
}

.event-card:nth-child(2) {
    border-top: 4px solid var(--yellow-primary);
}

.event-card:nth-child(3) {
    border-top: 4px solid var(--magenta-primary);
}

.event-image-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.event-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.event-card:hover .event-image {
    transform: scale(1.05);
}

.event-card > div:not(.event-image-wrapper) {
    padding: 0 2rem;
}

.event-card:nth-child(1) .event-date {
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-secondary));
}

.event-card:nth-child(2) .event-date {
    background: linear-gradient(135deg, var(--yellow-primary), var(--yellow-secondary));
}

.event-card:nth-child(3) .event-date {
    background: linear-gradient(135deg, var(--magenta-primary), var(--magenta-secondary));
}

.event-date {
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    font-weight: 600;
    margin: 1rem 2rem;
    font-size: 0.9rem;
}

.event-card h3 {
    color: var(--text-darker);
    margin: 1rem 2rem;
    font-size: 1.5rem;
    padding-top: 0;
}

.event-card p {
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0 2rem 2rem;
    padding-bottom: 0;
}

/* Contact Form */
.contact {
    background: linear-gradient(to bottom, var(--bg-light), var(--white));
}

.form-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-title {
    font-size: 1.5rem;
    color: var(--text-darker);
    margin-bottom: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-left: 1rem;
}

.form-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--magenta-primary), var(--purple-primary));
    border-radius: 2px;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.required {
    color: var(--magenta-primary);
    margin-left: 3px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-input:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px rgba(35, 150, 237, 0.1);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--magenta-primary);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.checkbox-label:hover {
    background: var(--bg-light);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--purple-primary);
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--purple-primary), var(--magenta-primary));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(117, 91, 196, 0.3);
}

.submit-button:hover {
    background: linear-gradient(135deg, var(--magenta-primary), var(--magenta-secondary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(117, 91, 196, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

/* Form Message */
.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    display: none;
}

.form-message.success {
    background: linear-gradient(135deg, rgba(35, 150, 237, 0.1), rgba(78, 163, 225, 0.1));
    color: var(--blue-primary);
    border: 2px solid var(--blue-secondary);
    display: block;
}

.form-message.error {
    background: linear-gradient(135deg, rgba(224, 94, 163, 0.1), rgba(199, 100, 199, 0.1));
    color: var(--magenta-primary);
    border: 2px solid var(--magenta-secondary);
    display: block;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, 
        var(--text-darker) 0%, 
        #1a2740 50%,
        var(--text-dark) 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2), 
                0 -5px 20px rgba(35, 150, 237, 0.1),
                0 -2px 10px rgba(224, 94, 163, 0.1);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--blue-primary) 0%,
        var(--yellow-primary) 20%,
        var(--orange-primary) 40%,
        var(--magenta-primary) 60%,
        var(--purple-primary) 80%,
        var(--blue-secondary) 100%);
    box-shadow: 0 2px 10px rgba(35, 150, 237, 0.3);
}

/* Footer Decorations */
.footer-decorations {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.decoration-circle-1 {
    width: 120px;
    height: 120px;
    background: var(--blue-primary);
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.decoration-circle-2 {
    width: 80px;
    height: 80px;
    background: var(--magenta-primary);
    bottom: 30%;
    left: 15%;
    animation-delay: 2s;
}

.decoration-circle-3 {
    width: 100px;
    height: 100px;
    background: var(--yellow-primary);
    top: 50%;
    right: 30%;
    animation-delay: 4s;
}

.decoration-dot {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 3s ease-in-out infinite;
}

.decoration-dot-1 {
    width: 12px;
    height: 12px;
    background: var(--orange-primary);
    top: 40%;
    left: 8%;
    animation-delay: 1s;
}

.decoration-dot-2 {
    width: 16px;
    height: 16px;
    background: var(--purple-primary);
    bottom: 25%;
    right: 25%;
    animation-delay: 2.5s;
}

.decoration-line {
    position: absolute;
    opacity: 0.1;
    transform: rotate(45deg);
}

.decoration-line-1 {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yellow-primary), transparent);
    top: 60%;
    left: 5%;
    animation: slide 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.2); opacity: 0.4; }
}

@keyframes slide {
    0%, 100% { transform: translateX(0) rotate(45deg); }
    50% { transform: translateX(30px) rotate(45deg); }
}

.footer-content {
    position: relative;
    z-index: 2;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 4rem;
    margin-bottom: 3rem;
    align-items: start;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-brand {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, 
        var(--yellow-primary) 0%,
        var(--orange-primary) 30%,
        var(--magenta-primary) 60%,
        var(--blue-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    margin: 0;
}

.footer-newsletter,
.footer-social,
.footer-contact {
    text-align: center;
    min-width: 0;
    overflow: hidden;
}

.footer-newsletter {
    padding: 0 1rem;
}

.footer-social {
    padding: 0 1rem;
}

.footer-contact {
    padding: 0 1rem;
}

.footer-newsletter h4,
.footer-social h4,
.footer-contact h4 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--white);
    font-weight: 600;
}

/* Newsletter Form */
.newsletter-form {
    display: flex;
    gap: 0.5rem;
    max-width: 380px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 200px;
    padding: 14px 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--blue-primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 4px rgba(35, 150, 237, 0.2);
}

.newsletter-button {
    padding: 14px 24px;
    border: none;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-secondary));
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 184, 56, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

.newsletter-button:hover {
    background: linear-gradient(135deg, var(--orange-secondary), var(--orange-tertiary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 56, 0.4);
}

.newsletter-button svg {
    transition: transform 0.3s ease;
}

.newsletter-button:hover svg {
    transform: translateX(3px);
}

/* Social Icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.social-icon::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    padding: 6px 12px;
    background: var(--text-darker);
    color: var(--white);
    font-size: 0.85rem;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    margin-bottom: 8px;
}

.social-icon::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-darker);
    opacity: 0;
    transition: all 0.3s ease;
}

.social-icon:hover::before,
.social-icon:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: transparent;
}

.social-icon-facebook:hover {
    background: linear-gradient(135deg, #1877f2, #0c63d4);
    box-shadow: 0 5px 20px rgba(24, 119, 242, 0.4);
}

.social-icon-instagram:hover {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    box-shadow: 0 5px 20px rgba(225, 48, 108, 0.4);
}

.social-icon-twitter:hover {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
    box-shadow: 0 5px 20px rgba(29, 161, 242, 0.4);
}

.social-icon-linkedin:hover {
    background: linear-gradient(135deg, #0077b5, #005885);
    box-shadow: 0 5px 20px rgba(0, 119, 181, 0.4);
}

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

.footer-email {
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 10px 20px;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.05);
    display: inline-block;
}

.footer-email:hover {
    color: var(--yellow-primary);
    background: rgba(255, 224, 71, 0.15);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    position: relative;
    z-index: 2;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-primary), var(--magenta-primary));
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(117, 91, 196, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--magenta-primary), var(--magenta-secondary));
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 25px rgba(224, 94, 163, 0.5);
}

.back-to-top:active {
    transform: translateY(-3px) scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .language-switcher {
        top: 10px;
        right: 10px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        padding: 0 20px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about, .events, .contact {
        padding: 50px 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-content p {
        text-align: center;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 0 1rem;
    }

    .footer-newsletter,
    .footer-social,
    .footer-contact {
        padding: 0;
    }

    .footer-tagline {
        font-size: 1.8rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-button {
        width: 100%;
        justify-content: center;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .contact-form {
        padding: 1.5rem 1rem;
    }
}