/* ========== CARD SPOTLIGHT (CURSOR-AWARE) ========== */
.card-spotlight { position: relative; isolation: isolate; }
.card-spotlight > * { position: relative; z-index: 1; }
.card-spotlight::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease;
    background:
        radial-gradient(var(--spotlight-size, 240px) circle at var(--mx, 50%) var(--my, 50%),
            rgba(var(--accent-rgb), 0.18),
            rgba(var(--violet-rgb), 0.12) 38%,
            transparent 62%);
    mix-blend-mode: screen;
    z-index: 0;
}
.card-spotlight:hover::after { opacity: 1; }
.card-spotlight::before { z-index: 2; }

/* ========== SCROLL PROGRESS BAR ========== */
.scroll-progress {
    position: fixed; top: var(--nav-total-h); left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--violet));
    transform-origin: left; transform: scaleX(0); z-index: 9999;
}

/* ========== NAV ========== */
.nav {
    position: fixed; top: 0; left: 0; width: 100%; height: var(--nav-total-h);
    z-index: 9998; display: flex; align-items: center;
    background: rgba(5,7,10,0.6);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    transition: background 0.4s;
    padding-top: var(--safe-top);
}
.nav.scrolled { background: rgba(5,7,10,0.92); }
.nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-brand img.nav-logo { width: 36px; height: 36px; flex-shrink: 0; filter: brightness(0) invert(1); }
.nav-wordmark { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; white-space: nowrap; }
.nav-center { display: flex; align-items: center; justify-content: center; gap: 32px; flex: 1; min-width: 0; }
.nav-center a {
    font-size: 0.85rem; color: var(--text-dim); transition: color 0.3s; font-weight: 400;
}
.nav-center a:hover { color: var(--text); }

@media (max-width: 1280px) {
    .nav-center { gap: 20px; }
    .nav-center a { font-size: 0.82rem; }
}

.nav-end { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-right { display: flex; align-items: center; gap: 0; }
.nav-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    color: var(--text);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    transition: transform 0.25s, border-color 0.25s, background 0.25s;
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
}
.nav-menu-btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.14); background: rgba(255,255,255,0.03); }
.nav-menu-btn-line {
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.2s ease;
}
.nav.menu-open .nav-menu-btn-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.menu-open .nav-menu-btn-line:nth-child(2) { opacity: 0; }
.nav.menu-open .nav-menu-btn-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-cta {
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--bg);
    font-weight: 750;
    font-size: 0.85rem;
    padding: 0 18px;
    border-radius: 10px 0 0 10px;
    transition: all 0.3s;
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.nav-cta:hover { background: var(--accent-hover); box-shadow: 0 0 24px var(--accent-glow); transform: translateY(-1px); }
.icon-btn {
    width: 40px; height: 40px; border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-dim);
    transition: transform 0.25s, border-color 0.25s, background 0.25s, color 0.25s;
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
}
.icon-btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.14); background: rgba(255,255,255,0.03); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.lang-wrap { position: relative; display: inline-flex; align-items: center; }
.lang-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    height: 40px;
    padding: 0 34px 0 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: transform 0.25s, border-color 0.25s, background 0.25s, color 0.25s;
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    outline: none;
    border-left: none;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.lang-select:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.14); background: rgba(255,255,255,0.03); color: var(--text); }
.lang-select:focus { border-color: rgba(var(--accent-rgb),0.28); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),0.10); color: var(--text); }
.lang-chev {
    position: absolute;
    right: 12px;
    width: 14px;
    height: 14px;
    pointer-events: none;
    color: var(--text-muted);
}

/* ========== MOBILE NAV ========== */
.nav-mobile-overlay {
    position: fixed;
    inset: var(--nav-total-h) 0 0 0;
    z-index: 9996;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    background: rgba(var(--bg-rgb), 0.72);
}
.nav-mobile-overlay[data-open="true"] {
    opacity: 1;
    pointer-events: auto;
}
.nav-mobile {
    position: fixed;
    top: var(--nav-total-h);
    left: 0;
    right: 0;
    z-index: 9997;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.nav-mobile[data-open="true"] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.nav-mobile-shell {
    margin-top: 10px;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    background: rgba(9, 12, 20, 0.95);
    backdrop-filter: blur(20px) saturate(1.35);
    -webkit-backdrop-filter: blur(20px) saturate(1.35);
    box-shadow: 0 24px 80px rgba(0,0,0,0.45);
}
.nav-mobile-links {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 16px;
}
.nav-mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    transition: color 0.2s;
}
.nav-mobile-link::after {
    content: '\2192';
    color: var(--text-muted);
    transition: transform 0.2s, color 0.2s;
}
.nav-mobile-link:hover { color: var(--text); }
.nav-mobile-link:hover::after { color: var(--accent); transform: translateX(2px); }
.nav-mobile-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.nav-mobile-actions .nav-cta {
    border-radius: 10px;
    padding: 0 20px;
    min-width: 184px;
}
.nav-mobile-actions .lang-wrap { flex: 1; min-width: 110px; }
.nav-mobile-actions .lang-select {
    width: 100%;
    border-left: 1px solid var(--border);
    border-radius: 10px;
}
body.menu-open { overflow: hidden; }

/* ========== BUTTONS ========== */
.btn-primary {
    background: var(--accent); color: var(--bg); font-weight: 600; font-size: 0.95rem;
    padding: 14px 32px; border-radius: 10px; transition: all 0.3s; display: inline-flex;
    align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 30px var(--accent-glow); transform: translateY(-2px); }
.btn-secondary {
    background: transparent; color: var(--text); font-weight: 500; font-size: 0.95rem;
    padding: 14px 32px; border-radius: 10px; border: 1px solid var(--border);
    transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.03); transform: translateY(-2px); }

/* ========== FOOTER ========== */
.footer {
    border-top: 1px solid var(--border); padding: 32px 0;
}
.footer .container {
    display: flex; align-items: center; justify-content: space-between;
}
.footer-left { font-size: 0.82rem; color: var(--text-dim); }
.footer-left a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 3px;
    transition: color 0.3s; }
.footer-left a:hover { color: var(--accent); }
.footer-right { display: flex; gap: 24px; flex-wrap: wrap; justify-content: flex-end; }
.footer-right a { font-size: 0.82rem; color: var(--text-dim); transition: color 0.3s; }
.footer-right a:hover { color: var(--text); }