/* ═══════════════════════════════════════════════════════════════
   LAYOUT — Nav, overlay menu, section shells, footer, progress
   ═══════════════════════════════════════════════════════════════ */

/* ── Scroll progress ───────────────────────────────────────── */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 110;
    background: var(--ember);
    transform-origin: 0 50%;
    transform: scaleX(0);
}

/* ── Navbar ────────────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    transition: background 0.35s ease, border-color 0.35s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(6, 6, 8, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--border);
}

.navbar .nav-inner {
    width: 100%;
    max-width: 1360px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-inline: var(--pad-x);
}

.nav-brand {
    font-weight: 700;
    font-stretch: 118%;
    font-size: 1.2rem;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}

.nav-brand span { color: var(--ember); }

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(1.1rem, 2.6vw, 2.2rem);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-2);
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    transition: color 0.25s ease;
}

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

.nav-links a.nav-resume {
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 0.3rem 0.9rem;
    min-height: 36px;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.nav-links a.nav-resume:hover {
    background: var(--text);
    color: #060608;
    border-color: var(--text);
}

/* ── Hamburger (mobile) ────────────────────────────────────── */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    align-items: center;
    z-index: 130;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text);
    transition: transform 0.35s var(--ease-out), opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ── Mobile overlay menu ───────────────────────────────────── */

@media (max-width: 767px) {
    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        inset: 0;
        z-index: 120;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 1.9rem;
        padding: 0 var(--pad-x);
        background: rgba(6, 6, 8, 0.97);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: clamp(1.8rem, 8vw, 2.4rem);
        font-weight: 640;
        font-stretch: 112%;
        letter-spacing: -0.02em;
        color: var(--text);
    }

    .nav-links a.nav-resume {
        border: none;
        padding: 0;
        color: var(--ember);
    }
    .nav-links a.nav-resume:hover { background: none; color: var(--ember-soft); }
}

/* ── Section shells ────────────────────────────────────────── */

.scene {
    padding: clamp(4.5rem, 10vh, 8rem) var(--pad-x);
    max-width: 1360px;
    margin-inline: auto;
}

.scene-heading {
    font-size: clamp(1.9rem, 3.6vw, 3rem);
    margin-bottom: clamp(2rem, 5vh, 3.5rem);
    max-width: 20ch;
}

/* ── Footer ────────────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--border);
    padding-block: 2.5rem;
}

.footer .footer-inner {
    max-width: 1360px;
    margin-inline: auto;
    padding-inline: var(--pad-x);
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.25rem;
}

.footer .cv-note {
    font-size: 0.875rem;
    color: var(--text-3);
}

.footer .cv-note em { color: var(--text-2); }

.footer .footer-meta {
    font-size: 0.875rem;
    color: var(--text-3);
    display: flex;
    align-items: baseline;
    gap: 1.6rem;
}

.footer .footer-meta a {
    color: var(--text-2);
    transition: color 0.25s ease;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}

.footer .footer-meta a:hover { color: var(--ember); }