/* Base Styles & Variables */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --dark: #0f172a;
    --light: #f8fafc;
    --text: #334155;
    --border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--text);
    background-color: #ffffff;
    line-height: 1.6;
}

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

/* Typography & Utilities */
h1, h2, h3, h4 { color: var(--dark); }
a { text-decoration: none; color: inherit; }
.dot { color: var(--primary); }

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}
.btn-primary {
    background-color: var(--primary);
    color: #fff;
    border: 2px solid var(--primary);
}
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-outline {
    background-color: transparent;
    color: var(--dark);
    border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-large { padding: 14px 32px; font-size: 1.1rem; }
.btn-block { display: block; width: 100%; }

/* Navigation */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-size: 1.5rem; font-weight: 700; color: var(--dark); }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a:not(.btn) { font-weight: 500; color: var(--text); }
.nav-links a:not(.btn):hover { color: var(--primary); }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

/* Hero Section */
.hero { padding: 80px 0; background: var(--light); }
.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
}
.hero-content { flex: 1; }
.hero-content h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; }
.hero-content p { font-size: 1.25rem; margin-bottom: 30px; color: #475569; }
.hero-buttons { display: flex; gap: 15px; }

/* Mockup Terminal */
.hero-image { flex: 1; }
.mockup-window {
    background: var(--dark);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.mockup-header {
    background: #1e293b;
    padding: 10px 15px;
    display: flex;
    gap: 8px;
}
.mockup-header .dot {
    width: 12px; height: 12px; border-radius: 50%;
}
.mockup-header .red { background: #ef4444; }
.mockup-header .yellow { background: #f59e0b; }
.mockup-header .green { background: #10b981; }
.mockup-body { padding: 20px; color: #10b981; font-family: monospace; }
.mockup-body code { display: block; margin-bottom: 10px; }

/* Features & Pricing */
.features, .pricing { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 15px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.feature-icon { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.feature-card h3 { margin-bottom: 15px; }

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.price-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
    width: 350px;
    background: #fff;
}
.price-card.featured {
    border-color: var(--primary);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    transform: scale(1.05);
}
.price { font-size: 3rem; font-weight: 700; color: var(--dark); margin: 20px 0; }
.price span { font-size: 1.25rem; color: var(--text); }
.price-card ul { list-style: none; margin-bottom: 30px; }
.price-card ul li { margin-bottom: 15px; display: flex; gap: 10px; align-items: center; }
.price-card ul li i { color: var(--primary); }

/* Footer */
footer { background: var(--dark); color: #fff; padding: 60px 0 30px; }
.footer-container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; }
.footer-brand p { color: #94a3b8; margin-top: 10px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 { color: #fff; margin-bottom: 15px; }
.footer-links a { color: #94a3b8; }
.footer-links a:hover { color: #fff; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
    .hero-container { flex-direction: column; text-align: center; }
    .hero-buttons { justify-content: center; }
    .price-card.featured { transform: none; }
}