:root {
    --primary-blue: #1A365D;
    --primary-blue-light: #2A528A;
    --accent-green: #38A169;
    --accent-orange: #DD6B20;
    --accent-red: #E53E3E;
    --accent-purple: #805AD5;
    --text-dark: #2D3748;
    --text-light: #718096;
    --bg-light: #F7FAFC;
    --white: #FFFFFF;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

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

.w-100 {
    width: 100%;
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--white);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 54, 93, 0.4);
    color: var(--white);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 15px;
    text-align: center;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    color: white;
}

/* Pulse Animation */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(221, 107, 32, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(221, 107, 32, 0); }
    100% { box-shadow: 0 0 0 0 rgba(221, 107, 32, 0); }
}

.pulse {
    background: linear-gradient(135deg, var(--accent-orange), #ED8936);
    box-shadow: 0 0 0 rgba(221, 107, 32, 0.4);
    animation: pulse 2s infinite;
}
.pulse:hover {
    animation: none;
    transform: translateY(-2px);
}

/* Section Title */
.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.section-title .divider {
    height: 4px;
    width: 80px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-orange));
    margin: 0 auto 20px;
    border-radius: 2px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.logo img {
    height: 80px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    color: var(--primary-blue);
}

.nav-links a:hover {
    color: var(--accent-orange);
}

.nav-links .btn-primary {
    color: white;
}

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

/* Hero Section */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('https://images.unsplash.com/photo-1540575467063-178a50c2df87?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    padding-top: 180px;
    padding-bottom: 100px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.9), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.hero-theme {
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.highlight-type {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 10px;
    display: inline-block;
}

.cursor {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.event-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    font-size: 1.2rem;
    font-weight: 500;
}

.meta-item i {
    color: var(--accent-green);
    margin-right: 10px;
}

/* Countdown */
.countdown-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 15px;
    min-width: 100px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.countdown-item span:first-child {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--accent-orange);
}

.countdown-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.about-card i {
    font-size: 3rem;
    margin-bottom: 20px;
}

.icon-blue { color: var(--primary-blue); }
.icon-green { color: var(--accent-green); }
.icon-orange { color: var(--accent-orange); }
.icon-purple { color: var(--accent-purple); }

.about-card h3 {
    margin-bottom: 15px;
    color: var(--primary-blue);
    font-size: 1.5rem;
}

/* Audience Section */
.audience-section {
    padding: 100px 0;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.audience-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    border: 1px solid rgba(0,0,0,0.02);
    z-index: 1;
    display: flex;
    align-items: center;
}

.audience-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--item-color);
    transition: width 0.3s ease, opacity 0.3s ease;
    z-index: -1;
}

.audience-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.audience-item:hover::before {
    width: 100%;
    opacity: 0.05;
}

.item-number {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--item-color);
    opacity: 0.15;
    position: absolute;
    top: -15px;
    right: -10px;
    line-height: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.audience-item:hover .item-number {
    opacity: 0.3;
    transform: scale(1.1) rotate(-5deg);
}

.item-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    z-index: 2;
    padding-left: 10px;
}

/* Audience Color Classes */
.color-darkblue { --item-color: var(--primary-blue); }
.color-lightblue { --item-color: #00AEEF; }
.color-green { --item-color: var(--accent-green); }
.color-orange { --item-color: var(--accent-orange); }
.color-red { --item-color: var(--accent-red); }
.color-purple { --item-color: var(--accent-purple); }

/* Carousel Section */
.carousel-section {
    background: var(--bg-light);
    padding: 40px 0;
    overflow: hidden;
}

.carousel-track-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    width: max-content;
    animation: scroll 30s linear infinite;
    gap: 20px;
    padding-left: 20px;
}

.carousel-track:hover {
    animation-play-state: paused;
}

.flag-item {
    width: 80px;
    height: 50px;
    border-radius: 5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    object-fit: cover;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Tickets Section */
.tickets-section {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin-inline: auto;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.card-header {
    padding: 30px;
    text-align: center;
    color: var(--white);
}

.card-header.bg-green {
    background: linear-gradient(135deg, var(--accent-green), #2F855A);
}

.card-header.bg-blue {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
}

.card-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.card-header .subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
}

.card-body {
    padding: 40px 30px;
    text-align: center;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    font-family: var(--font-heading);
    margin-bottom: 30px;
}

.features {
    text-align: left;
    margin-bottom: 30px;
}

.features li {
    margin-bottom: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features li i {
    color: var(--accent-green);
}

.networking-alert {
    background: rgba(221, 107, 32, 0.1);
    border-left: 4px solid var(--accent-orange);
    padding: 20px;
    margin: 50px auto 0;
    max-width: 800px;
    border-radius: 0 10px 10px 0;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.networking-alert i {
    font-size: 2rem;
    color: var(--accent-orange);
    margin-top: 5px;
}

/* Footer */
.footer {
    background: #0f2038;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    max-width: 200px;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent-orange);
}

.footer-col p {
    margin-bottom: 10px;
    color: rgba(255,255,255,0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    padding: 40px;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    animation: modalSlideIn 0.3s ease-out forwards;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-dark);
}

.bank-details-box {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-theme {
        font-size: 1.5rem;
    }
    
    .highlight {
        font-size: 1.1rem;
    }

    .countdown-container {
        flex-wrap: wrap;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 15px;
    }
    
    .countdown-item span:first-child {
        font-size: 2rem;
    }
}