:root {
    --bg-color: #050A18;
    --text-primary: #FFFFFF;
    --text-secondary: #A0AABF;

    /* Accents */
    --accent-teal: #00DFA2;
    --accent-purple: #A855F7;
    --accent-blue: #3B82F6;
    --accent-neon-blue: #00F0FF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00DFA2 0%, #3B82F6 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    --gradient-glow: radial-gradient(circle, rgba(168, 85, 247, 0.4) 0%, transparent 70%);

    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.background-glows {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 15s infinite ease-in-out alternate;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
    top: -200px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-teal) 0%, transparent 70%);
    top: 40%;
    left: 40%;
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(40px, -40px) scale(1.1);
    }
}

/* Header */
.main-header {
    text-align: center;
    padding: 2rem 1rem 1rem;
    position: relative;
    z-index: 10;
}

.main-header h1 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #FFFFFF 0%, #A0AABF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.subtitle {
    font-family: var(--font-heading);
    color: var(--accent-teal);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.booth-banner {
    margin-top: 2rem;
    display: inline-block;
    padding: 0.8rem 2rem;
    background: rgba(0, 223, 162, 0.1);
    border: 1px solid var(--accent-teal);
    border-radius: 50px;
    box-shadow: 0 0 20px rgba(0, 223, 162, 0.2);
    animation: pulse-glow 3s infinite;
}

.booth-banner span {
    font-family: var(--font-heading);
    color: var(--accent-teal);
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.booth-banner strong {
    color: #fff;
    font-weight: 700;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 20px rgba(0, 223, 162, 0.2);
    }

    50% {
        box-shadow: 0 0 40px rgba(0, 223, 162, 0.5);
    }

    100% {
        box-shadow: 0 0 20px rgba(0, 223, 162, 0.2);
    }
}

/* Main Content */
.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 10;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    width: 100%;
}

/* Cards */
.card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 380px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* Card Glow Effect */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    z-index: 1;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 223, 162, 0.15);
    border-color: rgba(0, 223, 162, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

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

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    display: block;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.card h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.1rem;
    font-weight: 300;
}

/* Pill Button */
.card-action {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-start;
}

.btn-pill {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    background: transparent;
    border: 1px solid var(--accent-teal);
    color: var(--accent-teal);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.card:hover .btn-pill {
    background: var(--accent-teal);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 223, 162, 0.4);
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    position: relative;
    z-index: 10;
    opacity: 0.6;
}

/* Media Queries */
@media (max-width: 768px) {
    .main-header {
        padding-top: 4rem;
    }

    .main-header h1 {
        font-size: 3rem;
    }

    .container {
        padding: 1rem;
    }

    .card {
        min-height: 300px;
        padding: 2rem;
    }

    .card h2 {
        font-size: 1.75rem;
    }
}

/* WhatsApp Widget */
.whatsapp-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 100;
    animation: float-qr 6s ease-in-out infinite;
}

.qr-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.qr-container:hover {
    transform: scale(1.05);
}

.qr-label {
    display: block;
    color: #050A18;
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qr-code {
    width: 144px;
    height: 144px;
    display: block;
    border-radius: 8px;
}

@keyframes float-qr {

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

    50% {
        transform: translateY(-10px);
    }
}