/* Global Styles & Variables */
:root {
    --primary-color: #0f172a;
    --secondary-color: #2563eb;
    --accent-color: #d97706;
    /* Gold/Amber */
    --text-color: #334155;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

/* Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--primary-color);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.7)), url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    margin-top: -80px;
    /* Offset header height */
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
}

/* Section Common */
.section-padding {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header span {
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
}

/* About / Info Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.info-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Organizers */
.organizer-section {
    background-color: var(--white);
}

.organizer-card {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: var(--light-bg);
    border-radius: 1.5rem;
    padding: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.organizer-img {
    flex-shrink: 0;
    width: 300px;
    height: 380px;
    border-radius: 1rem;
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: var(--shadow);
}

.organizer-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.organizer-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.organizer-info .role {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    display: block;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Responsive */
/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .container {
        max-width: 960px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 3rem 0;
    }

    .hero {
        height: auto;
        min-height: 100vh;
        padding-top: 100px;
        /* More space for fixed header */
        padding-bottom: 50px;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-badges {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .hero-btns .btn {
        width: 100%;
        max-width: 300px;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow);
        text-align: center;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .organizer-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        gap: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        /* Stack footer columns */
        gap: 2rem;
        text-align: center;
    }

    .footer-links a:hover {
        padding-left: 0;
        /* Remove hover shift on mobile for better touch UX */
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;

    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: white;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
}