:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #0f172a;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
}

/* Navbar SaaS Style */
.navbar {
    background-color: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--accent-color) !important;
    font-size: 1.5rem;
    letter-spacing: -0.025em;
}

.nav-link {
    color: var(--secondary-color) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Hero Section */
.hero-section {
    padding: 120px 0;
    background: radial-gradient(circle at top right, #eff6ff, #f8fafc);
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    letter-spacing: -0.05em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Cards SaaS Style */
.card {
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-title {
    font-weight: 700;
    color: var(--accent-color);
}

/* Product Page */
.product-img {
    border-radius: 20px;
    width: 100%;
    height: 500px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.badge-saas {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Footer */
footer {
    background: var(--accent-color);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

footer h5 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}