/* Global Styles from Original */
html,
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    width: 100%;
    background-color: #000;
}

body {
    font-family: "Inter", sans-serif;
    color: #fff;
    overflow-x: hidden;
    background-image: linear-gradient(rgba(0, 0, 0, 0.80),
            rgba(0, 0, 0, 0.60)),
        url("metodo_evolucao_led_bg.jpeg");
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    /* Changed to fixed for better scroll experience */
}

h1,
h2,
h3,
.font-serif {
    font-family: "Playfair Display", serif;
}

/* Utilities */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-premium {
    background: linear-gradient(135deg, #D39426 0%, #9a6e1a 100%);
    box-shadow: 0 4px 20px rgba(213, 148, 38, 0.4);
    transition: all 0.3s ease;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(213, 148, 38, 0.6);
}

.cursor-wait {
    cursor: wait;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

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

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

.floating {
    animation: float 4s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes pulse {
    50% {
        opacity: .5;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes ping {

    75%,
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.animate-ping {
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Custom transitions for content switching */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Bounce In Animation for Feedback */
@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

/* Select specific styles */
.option-selected {
    background-color: rgba(213, 148, 38, 0.2);
    border-color: rgba(213, 148, 38, 0.5);
    box-shadow: 0 0 20px rgba(213, 148, 38, 0.1);
}

.option-default {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.option-default:hover {
    border-color: rgba(213, 148, 38, 0.3);
}