/* RESET & VARS */
:root {
    --dark: #0a0c10;
    --surface: #11141b;
    --accent: #00d4ff;
    --accent-hover: #00b8e6;
    --text: #ffffff;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

* { margin:0; padding:0; box-sizing:border-box; font-family: 'Inter', sans-serif; }
body { background: var(--dark); color: var(--text); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.site-header { padding: 20px 0; border-bottom: 1px solid var(--border); position: sticky; top:0; background: rgba(10,12,16,0.95); backdrop-filter: blur(10px); z-index: 100; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 30px; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--accent); }
.accent-text { color: var(--accent) !important; }
.btn-cta { background: var(--accent); color: #000 !important; padding: 8px 16px; border-radius: 4px; font-weight: 700 !important; transition: 0.3s; }
.btn-cta:hover { background: var(--accent-hover); transform: translateY(-2px); }

.menu-btn { display: none; background: none; border: none; color: white; font-size: 1.5rem; }

/* HERO */
.hero { 
    padding: 100px 0; 
    background-image: linear-gradient(rgba(10,12,16,0.85), rgba(10,12,16,0.85)), url('https://images.unsplash.com/photo-1558494949-ef010cbdcc4b?q=80&w=2000');
    background-size: cover; background-position: center; border-bottom: 1px solid var(--border);
}
.badge { color: var(--accent); font-size: 0.75rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 15px; }
.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; }
.highlight { color: var(--accent); }
.hero p { color: var(--muted); font-size: 1.2rem; max-width: 650px; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 15px; }

.btn { padding: 12px 25px; border-radius: 4px; text-decoration: none; font-weight: 700; transition: all 0.3s ease; }

.btn-fill { background: var(--accent); color: #000; }
.btn-fill:hover { 
    background: var(--accent-hover); 
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.btn-line { border: 1px solid var(--border); color: #fff; }
.btn-line:hover { 
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
    color: var(--accent);
}

/* SERVICES GRID */
.services { padding: 80px 0; background: var(--surface); }
.section-header { text-align: center; margin-bottom: 50px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.service-card { 
    background: var(--dark); border: 1px solid var(--border); padding: 30px; border-radius: 8px; 
    display: flex; flex-direction: column; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover { 
    border-color: var(--accent); 
    transform: translateY(-8px); 
    background: rgba(0, 212, 255, 0.02);
}

.card-icon { color: var(--accent); font-size: 2rem; margin-bottom: 20px; transition: 0.3s; }
.service-card:hover .card-icon { transform: scale(1.1); }

.service-card h3 { margin-bottom: 15px; font-size: 1.25rem; }
.service-card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 20px; flex-grow: 1; }
.card-tag { font-size: 0.65rem; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; font-weight: 800; }

/* FOOTER */
.site-footer { padding: 60px 0; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.footer-logo { height: 25px; margin-bottom: 15px; }
.footer-brand p { font-size: 0.85rem; color: var(--muted); }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
.footer-col a { display: block; color: var(--muted); text-decoration: none; margin-bottom: 10px; font-size: 0.9rem; transition: 0.3s; }
.footer-col a:hover { color: var(--accent); padding-left: 5px; }
.footer-mail { font-weight: 700; color: #fff !important; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .menu-btn { display: block; }
    .nav-links { 
        display: none; position: absolute; top: 70px; left: 0; width: 100%; 
        background: var(--dark); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border);
    }
    .nav-links.show { display: flex; }
    .hero h1 { font-size: 2.5rem; }
    .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
}