:root {
    --bg: #0a0a0a;
    --card-bg: #141414;
    --red: #E31937;
    --text-main: #ffffff;
    --text-dim: #b0b0b0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text-main); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
header { padding: 20px 0; border-bottom: 1px solid #222; position: sticky; top: 0; background: rgba(10, 10, 10, 0.95); z-index: 100; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 900; font-size: 1.4rem; text-decoration: none; color: white; letter-spacing: -1px; }
.logo span { color: var(--red); }
nav a { text-decoration: none; color: white; margin-left: 20px; font-size: 0.9rem; font-weight: 500; }
.nav-btn { border: 1px solid #333; padding: 6px 15px; border-radius: 4px; transition: 0.3s; }
.nav-btn:hover { border-color: var(--red); color: var(--red); }

/* Sections */
section { padding: 100px 0; }
.section-title { text-align: center; margin-bottom: 50px; font-size: 2.2rem; font-weight: 800; }
.section-title span { color: var(--red); }

/* Hero */
.hero { text-align: center; padding: 150px 0; background: radial-gradient(circle at 50% 50%, #1a0505 0%, #0a0a0a 100%); }
.hero h1 { font-size: 4rem; font-weight: 900; line-height: 1.1; margin-bottom: 20px; }
.hero h1 span { color: var(--red); }
.hero p { color: var(--text-dim); font-size: 1.2rem; max-width: 700px; margin: 0 auto 40px; }
.btn-red { background: var(--red); color: white; padding: 15px 40px; text-decoration: none; font-weight: 800; border-radius: 4px; transition: 0.3s; }
.btn-red:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(227, 25, 55, 0.3); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.about-title h2 { font-size: 2.5rem; font-weight: 900; line-height: 1.1; }
.about-title span { color: var(--red); }
.about-content p { color: var(--text-dim); margin-bottom: 20px; font-size: 1.1rem; }

/* Competencies */
.comp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.comp-item { background: var(--card-bg); border: 1px solid #222; padding: 25px; text-align: center; font-weight: 600; border-radius: 8px; transition: 0.3s; }
.comp-item:hover { border-color: var(--red); background: #1a1a1a; }

/* Ventures */
.ventures { background: #050505; }
.venture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.v-card { background: var(--card-bg); padding: 40px; border-radius: 12px; border-top: 4px solid var(--red); }
.v-card h3 { font-size: 1.8rem; margin-bottom: 5px; }
.v-sub { color: var(--red); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; margin-bottom: 15px; }
.v-card p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 20px; }
.v-card a { color: white; text-decoration: none; font-weight: 700; font-size: 0.9rem; }

/* Footer */
footer { padding: 80px 0 20px; background: #000; border-top: 1px solid #111; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer-grid h4 { margin-bottom: 20px; color: var(--red); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }
.footer-grid p { color: var(--text-dim); font-size: 0.9rem; }
.footer-bottom { text-align: center; font-size: 0.75rem; color: #444; padding-top: 20px; border-top: 1px solid #111; }

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 200;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Mobile nav overlay */
nav.mobile-open {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.98);
    z-index: 150;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 80px 20px 40px;
}
nav.mobile-open a {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    text-align: center;
}
nav.mobile-open .nav-btn {
    border-color: #444;
    padding: 10px 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .about-grid, .comp-grid, .venture-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }

    /* Header */
    nav { display: none; }
    .hamburger { display: flex; }
    .nav-container { position: relative; }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    footer { padding: 50px 0 20px; }

    /* Blog posts */
    .blog-post h1, article h1 { font-size: 2rem !important; }
    article h3 { font-size: 1.3rem !important; }

    /* Contact */
    .contact-wrapper { grid-template-columns: 1fr !important; gap: 40px !important; padding: 60px 0 !important; }
}