:root {
    --bg-color: #0a0a0f;
    --text-color: #e0e0e0;
    --primary-color: #00f2ff;
    --secondary-color: #7000ff;
    --accent-color: #ff0055;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --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;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 400;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    background: radial-gradient(circle at top right, rgba(112, 0, 255, 0.15), transparent 40%),
        radial-gradient(circle at bottom left, rgba(0, 242, 255, 0.1), transparent 40%);
    margin-top: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: #aaa;
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 242, 255, 0.3);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Image Placeholders */
.image-placeholder {
    width: 100%;
    max-width: 500px;
    height: 350px;
    background: var(--card-bg);
    border: 2px dashed var(--glass-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-color);
    text-align: center;
    padding: 2rem;
    transition: border-color 0.3s ease;
}

.image-placeholder:hover {
    border-color: var(--primary-color);
}

.image-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.image-placeholder p {
    font-size: 0.9rem;
    color: #888;
}

.image-placeholder.small {
    height: 200px;
    margin-bottom: 1.5rem;
}

/* Types Section */
.types-section {
    padding: 8rem 10%;
    position: relative;
}

/* Optional: Add a subtle background glow behind the section */
.types-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(112, 0, 255, 0.05), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.types-section h2,
.efficacy-section h2,
.conclusion-section h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.types-section h2 {
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0;
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-15px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 242, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(0, 242, 255, 0.1);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.8), transparent);
    opacity: 0.6;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 700;
    padding: 1.5rem 2rem 0 2rem;
}

.card p {
    color: #b0b0b0;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    padding: 0 2rem 2rem 2rem;
}

/* Efficacy Section */
.efficacy-section {
    padding: 5rem 10%;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.efficacy-content {
    flex: 1;
}

.efficacy-visual {
    flex: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.stat-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--glass-border);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #aaa;
}

.info-box {
    background: rgba(0, 242, 255, 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 0 10px 10px 0;
    display: flex;
    gap: 1rem;
    align-items: start;
}

.info-box i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

/* Conclusion */
.conclusion-section {
    padding: 5rem 10%;
    text-align: center;
}

.conclusion-section p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #ccc;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        height: auto;
        padding: 8rem 5% 5rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-visual {
        margin-top: 3rem;
        width: 100%;
    }

    .efficacy-section {
        flex-direction: column;
    }

    .nav-links {
        display: none;
        /* Simple hide for mobile for now */
    }
}