:root {
    --primary: #378ADD;
    --primary-hover: #2a6fb5;
    --primary-light: rgba(55, 138, 221, 0.1);
    --dark: #0C447C;
    --text-main: #1e293b;
    --text-light: #64748b;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.85);

    --mod-blue: #3b82f6;
    --mod-green: #10b981;
    --mod-purple: #8b5cf6;
    --mod-amber: #f59e0b;
    --mod-red: #ef4444;

    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-body);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navbar */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 20px 0; background: var(--glass-bg); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.logo-icon { width: 28px; height: 28px; background: linear-gradient(135deg, var(--primary), var(--dark)); border-radius: 6px; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-item { font-weight: 500; color: var(--text-main); text-decoration: none; cursor: pointer; }
.nav-item:hover { color: var(--primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; border: none; text-decoration: none; transition: all 0.3s ease; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 14px rgba(55,138,221,0.3); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-main); border: 1px solid var(--border); margin-left: 12px; }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); }

/* Hero */
.hero { padding: 160px 0 80px; text-align: center; background: radial-gradient(circle at top right, rgba(55, 138, 221, 0.05) 0%, rgba(248, 250, 252, 0) 50%); }
.hero-title { font-size: 56px; font-weight: 800; line-height: 1.1; color: #0f172a; margin-bottom: 20px; letter-spacing: -1.5px; }
.hero-title span { background: linear-gradient(135deg, var(--primary), #8b5cf6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 18px; color: var(--text-light); margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto; }

/* Features Section */
.section-padding { padding: 100px 0; border-top: 1px solid var(--border); }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 60px; }
.section-header h2 { font-size: 36px; font-weight: 800; color: var(--dark); margin-bottom: 16px; letter-spacing: -0.5px; }
.section-header p { font-size: 16px; color: var(--text-light); }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card { background: var(--bg-card); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); transition: all 0.3s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--primary); }

.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
.icon-blue { background: rgba(59, 130, 246, 0.1); color: var(--mod-blue); }
.icon-green { background: rgba(16, 185, 129, 0.1); color: var(--mod-green); }
.icon-purple { background: rgba(139, 92, 246, 0.1); color: var(--mod-purple); }
.icon-amber { background: rgba(245, 158, 11, 0.1); color: var(--mod-amber); }

.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: #0f172a; }
.feature-card p { color: var(--text-light); font-size: 14px; line-height: 1.5; }

/* Pricing Section */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: center; }
.pricing-card { background: white; border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--border); position: relative; box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
.pricing-card.popular { border: 2px solid var(--primary); box-shadow: var(--shadow-lg); transform: scale(1.03); }

.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: white; padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase; }

.plan-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #0f172a; }
.plan-price { font-size: 36px; font-weight: 800; color: var(--dark); margin-bottom: 8px; display: flex; align-items: baseline; gap: 4px; }
.plan-price span { font-size: 14px; font-weight: 500; color: var(--text-light); }
.plan-desc { color: var(--text-light); font-size: 13px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }

.feature-list { list-style: none; margin-bottom: 32px; }
.feature-item { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 14px; }
.feature-check { color: var(--mod-green); font-weight: bold; }

/* Footer */
.footer { background: #0f172a; color: #cbd5e1; padding: 60px 0; border-top: 1px solid #1e293b; text-align: center; }
.footer-text { font-size: 13px; color: #64748b; margin-top: 16px; }

@media (max-width: 1024px) {
    .features-grid, .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
}