/* Theme Variables */
:root {
    --bg-base: #0f0f12;
    --bg-surface: #111116;
    --border-muted: #1f1f28;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #777777;
    --accent: #ff4655;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base Elements */
body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-base);
}

a {
    color: inherit;
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 20px clamp(16px, 5vw, 60px);
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-muted);
}

.brand {
    display: flex;
    flex-direction: column;
}

.brand-logo {
    flex-shrink: 0;
    text-decoration: none;
}

.brand-logo img {
    display: block;
    width: auto;
    height: clamp(42px, 7vw, 64px);
    object-fit: contain;
}

.logo {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 2px;
}

.group-tag {
    margin-top: 4px;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
}

.nav-links a {
    position: relative;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a.active {
    font-weight: 600;
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--accent);
}

.nav-links a[aria-disabled="true"] {
    opacity: 0.65;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 900px) {
    nav {
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand-logo img {
        height: clamp(38px, 12vw, 52px);
    }

    .nav-links {
        width: 100%;
        gap: 12px 16px;
    }

    .nav-links a {
        font-size: 14px;
    }
}