:root {
    --bg-color: #0a0a0a;
    --card-bg: #161616;
    --text-color: #ffffff;
    --text-secondary: #a0a0a0;
    --primary-color: #00c2c1;
    /* Neon Cyan */
    --primary-hover: #009e9d;
    --accent-color: #00c2c1;
    --danger-color: #ff4d4d;
    --font-main: 'Inter', sans-serif;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0, 194, 193, 0.1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    background-image: radial-gradient(circle at 50% 0%, #1a2a2a 0%, #0a0a0a 70%);
}

.app-container {
    width: 100%;
    max-width: 600px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
}

.logo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.highlight {
    color: var(--primary-color);
}

.progress-container {
    width: 100%;
    height: 6px;
    background-color: #333;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.4s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.question-img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #333;
}

.question-text {
    font-size: 1.1rem;
    margin-bottom: 25px;
    font-weight: 500;
}

.description-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Options */
.options-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option-btn {
    background-color: transparent;
    border: 1px solid #444;
    color: var(--text-color);
    padding: 18px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    text-align: left;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.option-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 255, 204, 0.05);
    transform: translateX(5px);
}

.option-btn.selected {
    background-color: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    font-weight: 600;
}

/* Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 15px;
    background-color: #222;
    border: 1px solid #444;
    border-radius: var(--radius);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: var(--primary-color);
}

.cta-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(45deg, var(--primary-color), #00aaff);
    border: none;
    border-radius: var(--radius);
    color: #000;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.4);
}

/* Loading/Analyzing */
.analyzing-container {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #333;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 30px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.analyzing-steps p {
    margin: 10px 0;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.analyzing-steps p.active {
    opacity: 1;
    color: var(--primary-color);
    font-weight: 600;
}

/* Results */
.results-header {
    text-align: center;
    margin-bottom: 30px;
}

.diagnosis-card {
    background-color: rgba(255, 77, 77, 0.1);
    border: 1px solid var(--danger-color);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 30px;
}

.diagnosis-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.diagnosis-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.diagnosis-title {
    color: var(--danger-color);
    font-weight: 700;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.offer-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.kits-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kit-card {
    background-color: #222;
    border: 1px solid #444;
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s;
}

.kit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.kit-img {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 8px;
}

.kit-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.whatsapp-btn {
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

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

footer {
    text-align: center;
    margin-top: 40px;
    color: #555;
    font-size: 0.8rem;
}

.secondary-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 30px;
    background-color: transparent;
    border: 1px solid #555;
    color: #aaa;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.3s;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.secondary-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(0, 255, 204, 0.05);
    transform: translateY(-2px);
}