@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --bg-dark: #0B1120;
    --bg-light: #1E293B;
    --primary: #38BDF8;
    --secondary: #7DD3FC;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --accent: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
}

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

/* Buttons */
.btn-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--bg-dark);
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(56, 189, 248, 0.4);
}

/* Navigation */
nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 0;
}

.logo img {
    height: 80px;
    width: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.1);
}



/* 1. Hero Section */
.hero {
    padding: 100px 0 60px;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(30, 41, 59, 0.8), var(--bg-dark));
}

.hero h1 {
    font-size: clamp(40px, 5vw, 64px);
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.hero-form input {
    flex: 1;
    padding: 16px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 16px;
    outline: none;
}

/* 2. Benefits & Hook (Calculator) */
.benefits {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.calculator-card {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.calc-input-group {
    margin-bottom: 20px;
}

.calc-input-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.calc-input-group input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
}

.calc-result {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.calc-result h3 {
    font-size: 48px;
    color: var(--accent);
}

/* 3. How it Works */
.how-it-works {
    padding: 100px 0;
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.step-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px 30px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.step-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    padding: 20px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 50%;
    color: var(--primary);
}

/* 4. Social Proof */
.social-proof {
    padding: 80px 0;
    background-color: var(--bg-light);
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background: var(--bg-dark);
    padding: 30px;
    border-radius: 20px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
}

/* 5. FAQ */
.faq {
    padding: 100px 0;
    max-width: 800px;
    margin: 0 auto;
}

.faq h2 {
    text-align: center;
    margin-bottom: 50px;
}

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

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-main);
}

.faq-answer {
    margin-top: 15px;
    color: var(--text-muted);
    display: none; /* simple display toggle in js */
}

.faq-item.active .faq-answer {
    display: block;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-form {
        flex-direction: column;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
}