:root {
    --color-dark: #0a0e1a;
    --color-darker: #050709;
    --color-accent: #ffd700;
    --color-text: #e8e8e8;
    --color-text-light: #b0b0b0;
    --color-card-bg: #1a1f2e;
    --color-border: #2d3547;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: var(--color-dark); color: var(--color-text); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* Header */
header { background: var(--color-darker); padding: 15px 0; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 1000; }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--color-accent); }
nav ul { display: flex; gap: 25px; }
nav a:hover { color: var(--color-accent); }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { 
    padding: 120px 0; text-align: center; position: relative; 
    background-size: cover; background-position: center; 
    background-color: var(--color-dark);
}
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.6); }
.hero-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; color: var(--color-accent); }
.hero p { font-size: 1.25rem; margin-bottom: 30px; color: #fff; }

/* Buttons */
.btn { padding: 12px 30px; border-radius: 5px; font-weight: bold; display: inline-block; cursor: pointer; border: none; }
.btn-primary { background: var(--color-accent); color: var(--color-darker); }
.btn-primary:hover { background: #fff; }
.btn-secondary { background: transparent; border: 2px solid var(--color-accent); color: var(--color-accent); margin-left: 10px; }
.btn-secondary:hover { background: var(--color-accent); color: var(--color-darker); }

/* Sections */
.section { padding: 80px 0; }
h2 { text-align: center; font-size: 2.5rem; margin-bottom: 50px; color: var(--color-accent); }
h1 { color: var(--color-accent); margin-bottom: 20px; }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }

/* Cards */
.card { 
    background: var(--color-card-bg); padding: 30px; border-radius: 10px; 
    border: 1px solid var(--color-border); transition: 0.3s;
}
.card:hover { transform: translateY(-5px); border-color: var(--color-accent); }
.card h3 { font-size: 1.5rem; margin-bottom: 15px; color: #fff; }
.card p { color: var(--color-text-light); }
.stat-number { font-size: 3rem; font-weight: bold; color: var(--color-accent); margin-bottom: 10px; }

/* Forms */
.contact-form input, .contact-form textarea { 
    width: 100%; padding: 12px; margin-bottom: 15px; 
    background: rgba(255,255,255,0.05); border: 1px solid var(--color-border); 
    color: #fff; border-radius: 5px; 
}
.contact-form textarea { height: 120px; resize: vertical; }

/* Footer */
footer { background: var(--color-darker); padding: 50px 0 20px; border-top: 1px solid var(--color-border); margin-top: auto; }
.footer-bottom { text-align: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--color-border); color: var(--color-text-light); }

/* Animation Classes */
.fade-up { animation: fadeUp 0.8s ease forwards; opacity: 0; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 768px) {
    .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-darker); padding: 20px; }
    nav ul.active { display: flex; }
    .menu-toggle { display: block; }
}