/* Custom Elegant and Modern Styles */
:root {
    --primary-color: #4a90e2; /* Soft blue like modern tech */
    --secondary-color: #f8fafc;
    --accent-color: #5d5cde;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --soft-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    --border-radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.2rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #f1f5f9;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.hero {
    padding: 100px 8%;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, #f0f7ff 0%, #ffffff 100%);
    min-height: 80vh;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #0f172a;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 10px 20px rgba(74, 144, 226, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(74, 144, 226, 0.3);
}

.pricing {
    padding: 100px 8%;
    text-align: center;
    background-color: var(--secondary-color);
}

.section-tag {
    text-transform: uppercase;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: block;
}

.pricing h2 {
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    font-weight: 800;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.plan-card {
    background: var(--white);
    padding: 3.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--soft-shadow);
    transition: all 0.3s ease;
    border: 1px solid #edf2f7;
    text-align: center;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.plan-card.featured {
    border: 2px solid var(--primary-color);
    position: relative;
    background: #fff;
}

.featured-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: #0f172a;
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 2.5rem 0;
    text-align: left;
}

.features-list li {
    margin-bottom: 0.8rem;
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.features-list li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: #e0f2fe;
    color: var(--primary-color);
    border-radius: 50%;
    margin-right: 12px;
    font-size: 0.7rem;
    font-weight: 900;
}

footer {
    padding: 4rem 8%;
    background: #0f172a;
    color: #f8fafc;
    text-align: center;
}

footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 60px;
    }
    .hero h1 { font-size: 2.8rem; }
    nav { display: none; }
}