* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #d32f2f; --primary-dark: #b71c1c; --secondary: #ffc107;
    --dark: #1a1a2e; --light: #f8f9fa; --text: #333; --text-light: #666;
}
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: var(--text); background-color: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; }

.header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo img { height: 50px; width: auto; }
.nav-menu { display: flex; gap: 30px; align-items: center; }
.nav-menu a { font-weight: 600; color: var(--dark); transition: color 0.3s; }
.nav-menu a:hover { color: var(--primary); }
.btn-login { background: var(--primary); color: #fff !important; padding: 10px 25px; border-radius: 25px; transition: background 0.3s; }
.btn-login:hover { background: var(--primary-dark); }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--dark); transition: 0.3s; }

.hero { background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%); color: #fff; padding: 80px 0; }
.hero-content { display: flex; align-items: center; gap: 50px; }
.hero-text { flex: 1; }
.hero-text h1 { font-size: 2.5rem; margin-bottom: 20px; line-height: 1.2; color: var(--secondary); }
.hero-text p { font-size: 1.1rem; margin-bottom: 30px; color: #e0e0e0; }
.hero-image { flex: 1; text-align: center; }
.hero-image img { max-width: 100%; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.btn-primary { display: inline-block; background: var(--secondary); color: var(--dark); padding: 15px 35px; border-radius: 30px; font-weight: bold; font-size: 1.1rem; transition: transform 0.3s, box-shadow 0.3s; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(255, 193, 7, 0.4); }

.section { padding: 80px 0; }
.bg-light { background-color: var(--light); }
.section-title { text-align: center; font-size: 2rem; margin-bottom: 15px; color: var(--dark); }
.section-subtitle { text-align: center; color: var(--text-light); margin-bottom: 50px; max-width: 700px; margin-left: auto; margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }

.card { background: #fff; padding: 30px; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); text-align: center; transition: transform 0.3s; border-top: 4px solid var(--primary); }
.card:hover { transform: translateY(-10px); }
.card-icon { font-size: 3rem; margin-bottom: 20px; }
.card h3 { margin-bottom: 15px; color: var(--dark); }

.feature-item { text-align: center; padding: 20px; }
.feature-icon { font-size: 2.5rem; display: block; margin-bottom: 15px; }
.feature-item h4 { margin-bottom: 10px; color: var(--dark); }

.testimonial-card { background: #fff; padding: 30px; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); font-style: italic; }
.testimonial-card .author { margin-top: 20px; font-weight: bold; color: var(--primary); font-style: normal; }

.cta-section { background: var(--primary); color: #fff; text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 2rem; margin-bottom: 15px; }
.cta-section p { margin-bottom: 30px; font-size: 1.1rem; }
.btn-large { background: #fff; color: var(--primary); padding: 18px 45px; font-size: 1.2rem; }
.btn-large:hover { background: var(--dark); color: #fff; }

.footer { background: var(--dark); color: #fff; padding: 60px 0 20px; }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; margin-bottom: 40px; }
.footer-logo img { height: 40px; margin-bottom: 15px; }
.footer-logo p { color: #aaa; max-width: 300px; }
.footer-links h4 { margin-bottom: 20px; color: var(--secondary); }
.footer-links a { display: block; color: #aaa; margin-bottom: 10px; transition: color 0.3s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #333; color: #777; }
.footer-bottom a { color: var(--secondary); }

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-menu { position: fixed; left: -100%; top: 70px; flex-direction: column; background: #fff; width: 100%; text-align: center; transition: 0.3s; padding: 20px 0; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    .nav-menu.active { left: 0; }
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text h1 { font-size: 2rem; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-logo p { max-width: 100%; }
}