:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --text-color: #334155;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.py-section {
    padding: 60px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-primary {
    background-color: var(--primary);
}

.text-white {
    color: var(--white);
}

.text-center {
    text-align: center;
}

.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 24px; }
.mb-3 { margin-bottom: 15px; }
.mb-5 { margin-bottom: 40px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary);
}

.btn-light:hover {
    background-color: var(--bg-light);
}

.btn-phone {
    background-color: #10b981;
    color: var(--white);
    padding: 10px 18px;
}

.btn-phone:hover {
    background-color: #059669;
}

/* Header */
.site-header {
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-dark);
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    color: var(--text-color);
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
}

/* Hero */
.hero {
    padding: 80px 0;
    background: linear-gradient(to right, #f0f9ff, #e0f2fe);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #0f172a;
}

.hero-text p {
    font-size: 1.15rem;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Grids & Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.align-center {
    align-items: center;
}

.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 12px;
    color: #0f172a;
}

.section-title h2 {
    font-size: 2rem;
    color: #0f172a;
    margin-bottom: 15px;
}

.section-title p {
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
}

/* Check list */
.check-list {
    margin: 20px 0;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.faq-item {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #0f172a;
}

/* Footer */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 20px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col p, .footer-col li {
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #0f172a;
    padding: 12px;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-call-btn {
    display: block;
    background: #10b981;
    color: var(--white);
    text-align: center;
    padding: 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Responsive */
@media(max-width: 768px) {
    .hero-content, .grid-3, .grid-2, .faq-grid, .footer-container {
        grid-template-columns: 1fr;
    }
    .main-nav {
        display: none;
    }
    .hero {
        padding: 40px 0;
    }
    .hero-text h1 {
        font-size: 2rem;
    }
    .mobile-sticky-bar {
        display: block;
    }
    body {
        padding-bottom: 70px;
    }
}