/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    background: var(--bg-dark);
    border-bottom: var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
}
.nav__brand:hover { color: var(--accent); }

.nav__logo {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.nav__menu {
    display: flex;
    gap: var(--space-md);
}
.nav__menu a {
    color: var(--text-primary);
    font-size: 1rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: color 0.2s, text-shadow 0.2s;
}
.nav__menu a:hover {
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent);
}

/* Hamburger toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 600px) {
    .nav-toggle { display: block; }

    .nav__menu {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-dark);
        border-bottom: var(--border);
        flex-direction: column;
        padding: var(--space-sm) 0;
    }
    .nav__menu.active { display: flex; }

    .nav__menu a {
        padding: var(--space-sm) var(--space-md);
    }
}

/* ===== MAIN ===== */
.main {
    flex: 1;
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-lg);
    max-width: var(--content-max-width);
    width: 100%;
    margin: 0 auto;
}

/* When hero is shown, main doesn't need the nav-height top padding */
.main--after-hero {
    padding-top: var(--space-lg);
}

/* ===== HERO ===== */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    position: relative;
    /* Hero sits outside the max-width main, so no width hacks needed */
}

.hero__title {
    color: var(--text-hero);
    font-size: min(5rem, 12vw);
    text-align: center;
    mix-blend-mode: difference;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    font-size: 2rem;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    border-top: var(--border);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}