/* SEO & Performance Optimized CSS */
:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #22c55e;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--dark); background: var(--light); }

/* Header & Nav */
header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 4px rgba(0,0,0,0.04); }
.header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.phone-btn { background: var(--secondary); color: #fff; padding: 10px 20px; border-radius: 50px; text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; transition: transform 0.2s, background 0.2s; }
.phone-btn:hover { background: #16a34a; transform: translateY(-2px); }

/* Hero Section */
.hero { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); color: #fff; padding: 60px 20px; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 2.2rem; margin-bottom: 15px; font-weight: 800; line-height: 1.2; }
.hero p { font-size: 1.1rem; color: #94a3b8; margin-bottom: 25px; }

/* Content Layout */
.container { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.section-title { font-size: 1.8rem; color: var(--dark); margin-bottom: 25px; border-left: 5px solid var(--primary); padding-left: 15px; }

/* Grid Layouts */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 15px; margin-bottom: 40px; }

/* Cards */
.card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 25px; transition: box-shadow 0.3s; }
.card:hover { box-shadow: 0 10px 25px rgba(0,0,0,0.08); }
.card h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: 10px; }
.card p { color: var(--gray); font-size: 0.95rem; }

.link-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 15px; text-decoration: none; color: var(--dark); font-weight: 600; display: block; text-align: center; transition: all 0.2s; }
.link-card:hover { border-color: var(--primary); color: var(--primary); background: #f0f9ff; }

/* Testimonials */
.testimonial-card { background: #fff; border-left: 4px solid var(--primary); border-radius: 8px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
.testimonial-card .author { font-weight: 700; color: var(--dark); }
.testimonial-card .stars { color: #f59e0b; margin: 5px 0; }
.testimonial-card .comment { font-style: italic; color: #475569; }

/* Footer */
footer { background: var(--dark); color: #94a3b8; padding: 40px 20px 20px; margin-top: 60px; border-top: 1px solid #1e293b; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.footer-col h4 { color: #fff; margin-bottom: 15px; font-size: 1.1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #94a3b8; text-decoration: none; transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; }
.copyright { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid #1e293b; font-size: 0.9rem; }

@media (max-width: 768px) {
    .hero h1 { font-size: 1.75rem; }
    .header-container { flex-direction: column; gap: 12px; }
}