:root {
    --primary: #d32f2f;
    --dark: #1a1a1a;
    --light: #f5f5f5;
    --accent: #fdcb00;
    --text: #222;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; color: var(--text); line-height: 1.6; background: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.site-header { background: var(--dark); color: #fff; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1rem; gap: 1rem; flex-wrap: wrap; }
.logo img { height: 50px; }
.main-nav ul { display: flex; list-style: none; gap: 1.2rem; flex-wrap: wrap; }
.main-nav a { color: #fff; text-decoration: none; font-weight: 500; font-size: .95rem; transition: color .2s; }
.main-nav a:hover { color: var(--accent); }
.lang-switcher a { color: #fff; text-decoration: none; margin-left: .4rem; font-size: .85rem; padding: .2rem .5rem; border-radius: 4px; border: 1px solid rgba(255,255,255,.3); }
.lang-switcher a.active { background: var(--accent); color: #000; border-color: var(--accent); }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }
.hero { background: linear-gradient(135deg, #b71c1c, #d32f2f); color: #fff; padding: 5rem 1rem; text-align: center; }
.hero h1 { font-size: 2.8rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; }
.btn { display: inline-block; background: var(--accent); color: #000; padding: .9rem 2rem; border-radius: 50px; text-decoration: none; font-weight: 700; transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(0,0,0,.3); }
.intro { padding: 2rem 1rem; font-size: 1.15rem; text-align: center; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; padding: 4rem 1rem; }
.feature { background: var(--light); padding: 2rem; border-radius: 12px; border-left: 5px solid var(--primary); transition: transform .2s; }
.feature:hover { transform: translateY(-5px); }
.feature h3 { color: var(--primary); margin-bottom: .8rem; }
.slogan { background: var(--dark); color: #fff; text-align: center; padding: 3rem 1rem; font-size: 1.3rem; font-style: italic; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; padding: 2rem 0; }
.video-item { position: relative; padding-bottom: 56.25%; height: 0; border-radius: 10px; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,.15); }
.video-item iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.site-footer { background: var(--dark); color: #ccc; text-align: center; padding: 2rem 1rem; margin-top: 3rem; }
.site-footer a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; height: auto; }
@media (max-width: 900px) {
    .main-nav ul { display: none; flex-direction: column; width: 100%; }
    .main-nav.open ul { display: flex; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); padding: 1rem; }
    .menu-toggle { display: block; }
    .hero h1 { font-size: 2rem; }
}