/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #0a0e1a;
    color: #e0e6f0;
    line-height: 1.7;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ========== UTILITIES ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    color: #fff;
}
.text-gradient {
    background: linear-gradient(135deg, #4d9fff 0%, #1a6dff 50%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== NAV ========== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}
nav.scrolled {
    background: rgba(10,14,26,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 10px 0;
}
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo img { height: 36px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: #8892a8;
    transition: color 0.3s;
}
.nav-links a:hover { color: #fff; }
.nav-lang {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 3px;
}
.nav-lang a {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s;
}
.nav-lang a.active { background: #1d6fff; color: #fff; }
.nav-lang a:not(.active) { color: #8892a8; }
.nav-lang a:not(.active):hover { color: #fff; }
.btn-nav {
    padding: 10px 24px;
    background: linear-gradient(135deg, #1d6fff, #0050d4);
    color: #fff !important;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.btn-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(29,111,255,0.35); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }

/* ========== FOOTER ========== */
footer { background: #070a14; padding: 40px 0; border-top: 1px solid rgba(255,255,255,0.04); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-logo img { height: 28px; }
.footer-text { color: #4a5568; font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #6b7a94; font-size: 0.85rem; transition: color 0.3s; }
.footer-links a:hover { color: #fff; }

/* ========== MOBILE ========== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    nav.menu-open { bottom: 0; background: rgba(10,14,26,0.98) !important; backdrop-filter: none !important; }
    .nav-links.active {
        display: flex; flex-direction: column; position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(10,14,26,0.98);
        justify-content: center; align-items: center; gap: 24px; z-index: 999;
    }
    .nav-links.active a { font-size: 1.2rem; }
    .hamburger { display: flex; z-index: 1001; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}