:root {
    --bg-color: #f8fafc;
    /* Light Slate 50 */
    --text-color: #1e293b;
    /* Slate 800 */
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --secondary-color: #db2777;
    /* Pink 600 */
    --accent-color: #0891b2;
    /* Cyan 600 */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --card-hover: rgba(255, 255, 255, 0.9);
    --glow-primary: rgba(79, 70, 229, 0.3);
    --glow-secondary: rgba(219, 39, 119, 0.3);
    --font-main: 'Outfit', sans-serif;
}

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

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

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -2;
    background-color: var(--bg-color);
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(219, 39, 119, 0.05) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s;
}

.nav-logo:hover {
    transform: scale(1.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-color);
    text-decoration: none;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-btn {
    padding: 10px 25px !important;
    color: #fff !important;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 14px 35px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary.glow-effect {
    box-shadow: 0 0 20px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--glow-secondary);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 35px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--glass-border);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    margin-left: 15px;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--glow-primary);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 650px;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(79, 70, 229, 0.2);
    box-shadow: 0 0 15px rgba(79, 70, 229, 0.1);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(219, 39, 119, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(219, 39, 119, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(219, 39, 119, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(219, 39, 119, 0);
    }
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--text-color);
    font-weight: 800;
}

.text-gradient {
    background: linear-gradient(to right, var(--primary-color), #818cf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-secondary {
    background: linear-gradient(to right, var(--secondary-color), #f472b6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 40px;
    font-weight: 300;
}

/* Countdown Timer */
.countdown-container {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--glass-border);
    padding: 15px 20px;
    border-radius: 15px;
    min-width: 90px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.time-box span:first-child {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.time-box .label {
    font-size: 0.8rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
}

.float-card {
    position: absolute;
    padding: 25px;
    border-radius: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 160px;
    animation: float 6s ease-in-out infinite;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.card-1 {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
    border-top: 2px solid var(--primary-color);
}

.card-2 {
    top: 45%;
    right: 5%;
    animation-delay: 2s;
    border-top: 2px solid var(--accent-color);
}

.card-3 {
    bottom: 15%;
    left: 15%;
    animation-delay: 4s;
    border-top: 2px solid var(--secondary-color);
}

.float-card .icon-box {
    font-size: 2.5rem;
    background: rgba(79, 70, 229, 0.05);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-25px);
    }
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.glass-card:hover {
    background: var(--card-hover);
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Sections */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.title-bar {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.title-bar.center {
    margin: 20px auto;
}

.section-desc {
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

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

.about-card h3 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

/* Tracks Grid */
.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.track-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.track-number {
    font-size: 5rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    position: absolute;
    top: -20px;
    right: 10px;
    transition: color 0.3s;
}

.track-card:hover .track-number {
    color: rgba(0, 0, 0, 0.06);
}

.track-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--text-color);
    z-index: 1;
}

.track-card p {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 20px;
    flex-grow: 1;
    z-index: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s;
}

.read-more:hover {
    gap: 10px;
}

/* Dates Section */
.dates-card {
    text-align: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(219, 39, 119, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.dates-list {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.date-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
}

.date-item::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
}

.date-item:last-child::after {
    display: none;
}

.date-item .date {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.date-item .event {
    color: #64748b;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: #fff;
    padding: 100px 0 30px;
    margin-top: 100px;
    border-top: 1px solid var(--glass-border);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.03);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--text-color);
    margin-bottom: 25px;
    font-size: 1.3rem;
}

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

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul li a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: #64748b;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        flex-direction: column;
        padding: 30px;
        text-align: center;
        border-bottom: 1px solid var(--glass-border);
    }

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

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

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 140px;
    }

    .hero-content {
        margin-bottom: 60px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .countdown-container {
        justify-content: center;
        flex-wrap: wrap;
    }

    .time-box {
        min-width: 70px;
        padding: 10px;
    }

    .time-box span:first-child {
        font-size: 1.5rem;
    }

    .hero-visual {
        width: 100%;
        height: 350px;
    }

    .card-1 {
        top: 0;
        left: 5%;
    }

    .card-2 {
        top: 35%;
        right: 5%;
    }

    .card-3 {
        bottom: 0;
        left: 20%;
    }

    .date-item::after {
        display: none;
    }
}