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

:root {
    --dark-teal: #0b3c4b;
    --mid-teal: #1f8089;
    --aqua: #1fb6c4;
    --accent-pink: #ff4f9a;
    --accent-lime: #f4f94c;
    --white: #ffffff;
    --soft-pink: #ffb3d9;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--white);
    background: linear-gradient(180deg, var(--mid-teal) 0%, var(--dark-teal) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 60, 75, 0.1);
    backdrop-filter: blur(10px);
    transition: background 0.3s ease;
}

.nav.scrolled {
    background: rgba(11, 60, 75, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6)) drop-shadow(0 0 15px rgba(255, 255, 255, 0.4));
    display: block;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-pink);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: var(--accent-pink);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    color: var(--white) !important;
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--soft-pink);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 79, 154, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 120px 20px 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(11, 60, 75, 0.7) 0%, rgba(31, 128, 137, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-lime);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.hero-logo {
    width: clamp(200px, 50vw, 500px);
    height: auto;
    max-width: 100%;
    margin: 0 auto 0.5rem;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 30px rgba(255, 255, 255, 0.5)) drop-shadow(0 0 45px rgba(255, 255, 255, 0.3));
    animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    0% {
        filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 30px rgba(255, 255, 255, 0.5)) drop-shadow(0 0 45px rgba(255, 255, 255, 0.3));
    }
    100% {
        filter: drop-shadow(0 0 20px rgba(255, 255, 255, 1)) drop-shadow(0 0 40px rgba(255, 255, 255, 0.7)) drop-shadow(0 0 60px rgba(255, 255, 255, 0.5));
    }
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 400;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-style: italic;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--accent-lime);
    color: var(--dark-teal);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 25px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(244, 249, 76, 0.4);
}

.hero-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

.hero-date {
    font-weight: 600;
    color: var(--accent-pink);
}

.hero-host {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

.scroll-cue {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.btn-primary:hover {
    background: var(--soft-pink);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 79, 154, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--dark-teal);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* Section Styles */
section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--white);
    line-height: 1.2;
}

.section-title-centered {
    text-align: center;
}

/* About Section */
.about {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image-wrapper {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    background: var(--dark-teal);
    position: relative;
}

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

/* Experience Section */
.experience-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.experience-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-icon {
    color: var(--accent-pink);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.card-text {
    color: var(--text-light);
    line-height: 1.7;
}

/* Highlights Section */
.highlights {
    background: rgba(11, 60, 75, 0.5);
    position: relative;
}

.highlights::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.1) 1px, transparent 0);
    background-size: 30px 30px;
    opacity: 0.3;
    pointer-events: none;
}

.highlights-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-style: italic;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.highlight-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-pink);
}

.highlight-text {
    color: var(--text-light);
    line-height: 1.7;
}

/* Schedule Section */
.schedule-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.schedule-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.schedule-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.schedule-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent-pink);
}

.schedule-dates {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.05em;
}

.schedule-sessions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.session-card {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.session-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.session-label {
    font-weight: 600;
    color: var(--accent-lime);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.session-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Location Section */
.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.location-venue {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent-pink);
}

.location-address {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-weight: 500;
}

.location-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.location-map {
    position: relative;
}

.map-container {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.map-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-pink);
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA Band */
.cta-band {
    background: linear-gradient(135deg, var(--accent-pink), var(--soft-pink));
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.2) 1px, transparent 0);
    background-size: 25px 25px;
    opacity: 0.5;
    pointer-events: none;
}

.cta-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.cta-band .btn {
    position: relative;
    z-index: 1;
    background: var(--white);
    color: var(--accent-pink);
}

.cta-band .btn:hover {
    background: var(--dark-teal);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: var(--dark-teal);
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-copyright {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.footer-partners {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-partners-logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-partners-logo:hover {
    opacity: 1;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) and (min-width: 769px) {
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(11, 60, 75, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero {
        padding: 100px 20px 40px;
        overflow: hidden;
    }
    
    .hero-image-wrapper {
        width: 100%;
        height: 100%;
    }
    
    .hero-bg-image {
        width: 100%;
        height: 100%;
        min-width: 100%;
        min-height: 100%;
    }

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

    .experience-grid {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }

    .schedule-sessions {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 0;
    }

    .btn {
        width: 100%;
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 32px;
    }

    .logo-sub {
        font-size: 0.6rem;
    }

    .hero-logo {
        width: clamp(150px, 70vw, 300px);
    }

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

    .experience-card,
    .highlight-item,
    .schedule-card {
        padding: 1.5rem;
    }
    
    .schedule-dates {
        font-size: 1.2rem;
    }
    
    .session-card {
        padding: 1.25rem;
    }
    
    .footer-partners-logo {
        max-width: 250px;
    }
}