/* Qoravik — Overlay Scroll Layout (78) */

.page-home.qv-overlay-mode {
    overflow-x: hidden;
}

/* Fixed background stack */
.qv-overlay-stack {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.qv-overlay-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 1.2s var(--qv-ease), transform 2s var(--qv-ease);
}
.qv-overlay-bg.is-active {
    opacity: 1;
    transform: scale(1);
}
.qv-overlay-veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(8, 9, 12, 0.55) 0%,
        rgba(8, 9, 12, 0.72) 40%,
        rgba(8, 9, 12, 0.88) 100%
    );
}

/* Depth rail — right side navigation */
.qv-depth-rail {
    position: fixed;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 850;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.qv-depth-rail__track {
    width: 2px;
    height: 180px;
    background: rgba(220, 228, 239, 0.12);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}
.qv-depth-rail__fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 10%;
    background: var(--qv-copper);
    transition: height 0.5s var(--qv-ease);
}
.qv-depth-rail__marks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.qv-depth-rail__marks button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.2rem 0;
    opacity: 0.35;
    transition: opacity 0.3s;
}
.qv-depth-rail__marks button.is-active,
.qv-depth-rail__marks button:hover { opacity: 1; }
.qv-depth-rail__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--qv-text-muted);
    transition: background 0.3s, transform 0.3s;
}
.qv-depth-rail__marks button.is-active .qv-depth-rail__dot {
    background: var(--qv-copper);
    transform: scale(1.4);
}
.qv-depth-rail__label {
    font-family: var(--qv-font-display);
    font-size: 9px;
    letter-spacing: 0.12em;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.3s, transform 0.3s;
}
.qv-depth-rail__marks button.is-active .qv-depth-rail__label,
.qv-depth-rail__marks button:hover .qv-depth-rail__label {
    opacity: 1;
    transform: translateX(0);
}

/* Overlay world */
.qv-overlay-world {
    position: relative;
    z-index: 1;
}

/* Layer sections */
.qv-layer {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--qv-nav-h) + 2rem) 1.5rem 4rem;
    position: relative;
}
.qv-layer--gate {
    min-height: 100vh;
    align-items: flex-start;
    justify-content: flex-end;
    padding-bottom: 6rem;
}
.qv-layer--metrics {
    min-height: auto;
    padding: 4rem 1.5rem;
}
.qv-layer--experiment {
    min-height: 120vh;
    overflow: hidden;
}

/* Glass panels — core overlay UI */
.qv-glass-panel {
    background: var(--qv-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--qv-glass-border);
    border-radius: var(--qv-radius-lg);
    box-shadow: var(--qv-shadow);
    padding: clamp(1.5rem, 4vw, 2.75rem);
    max-width: var(--qv-max);
    margin: 0 auto;
    width: 100%;
    position: relative;
}
.qv-glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--qv-copper), transparent);
    opacity: 0.4;
}
.qv-glass-panel--hero {
    max-width: 680px;
    margin-left: clamp(1.5rem, 8vw, 6rem);
    margin-right: auto;
    transform: translateY(0);
}
.qv-glass-panel h2 {
    font-family: var(--qv-font-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 1rem;
}

/* Gate hero */
.qv-gate__title {
    font-family: var(--qv-font-display);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.qv-gate__line { display: block; }
.qv-gate__line--accent {
    color: var(--qv-copper);
    font-style: italic;
    font-family: var(--qv-font-serif);
    font-weight: 600;
}
.qv-gate__sub {
    color: var(--qv-text-muted);
    max-width: 420px;
    margin-bottom: 1.75rem;
    font-size: 14px;
}
.qv-gate__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
.qv-gate__metrics {
    display: flex;
    gap: 2rem;
    list-style: none;
    padding-top: 1.5rem;
    border-top: 1px solid var(--qv-glass-border);
}
.qv-gate__metrics strong {
    display: block;
    font-family: var(--qv-font-display);
    font-size: 1.75rem;
    color: var(--qv-copper);
}
.qv-gate__metrics span { font-size: 11px; color: var(--qv-text-muted); }
.qv-scroll-beacon {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}
.qv-scroll-beacon span {
    width: 1px;
    height: 24px;
    background: var(--qv-copper);
    opacity: 0.4;
    animation: qv-beacon 2s infinite;
}
.qv-scroll-beacon span:nth-child(2) { animation-delay: 0.2s; }
.qv-scroll-beacon span:nth-child(3) { animation-delay: 0.4s; }
@keyframes qv-beacon {
    0%, 100% { opacity: 0.2; transform: scaleY(0.6); }
    50% { opacity: 0.8; transform: scaleY(1); }
}

/* Horizontal flow ribbon */
.qv-glass-panel--flow { overflow: hidden; }
.qv-flow-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.qv-flow-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--qv-font-display);
    font-size: 13px;
    color: var(--qv-text-muted);
}
.qv-flow-controls button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--qv-glass-border);
    border-radius: 50%;
    transition: border-color 0.25s, background 0.25s;
}
.qv-flow-controls button:hover {
    border-color: var(--qv-copper);
    background: var(--qv-copper-dim);
}
.qv-flow-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding-bottom: 1rem;
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    cursor: grab;
    scrollbar-width: none;
}
.qv-flow-track::-webkit-scrollbar { display: none; }
.qv-flow-track.is-dragging { cursor: grabbing; }
.qv-flow-card {
    flex: 0 0 min(340px, 78vw);
    scroll-snap-align: start;
    background: var(--qv-surface);
    border: 1px solid var(--qv-glass-border);
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
    transition: transform 0.35s var(--qv-ease);
}
.qv-flow-card:hover { transform: translateY(-6px); }
.qv-flow-card__img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.qv-flow-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.qv-flow-card__cat {
    position: absolute;
    bottom: 0.75rem;
    left: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: rgba(8, 9, 12, 0.75);
    font-size: 10px;
    letter-spacing: 0.08em;
    border-radius: 2px;
}
.qv-flow-card__body { padding: 1.15rem; }
.qv-flow-card__body h3 {
    font-family: var(--qv-font-serif);
    font-size: 1rem;
    margin-bottom: 0.35rem;
}
.qv-flow-card__price {
    font-family: var(--qv-font-display);
    color: var(--qv-copper);
    margin-bottom: 0.75rem;
}

/* Story manifesto — pinned */
.qv-layer--story {
    min-height: 110vh;
}
.qv-story-pin {
    max-width: var(--qv-max);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: center;
}
.qv-story-stack {
    position: relative;
    min-height: 160px;
    margin: 1.5rem 0;
}
.qv-story-fragment {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--qv-ease), transform 0.6s var(--qv-ease);
    pointer-events: none;
}
.qv-story-fragment.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.qv-story-fragment__num {
    font-family: var(--qv-font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--qv-copper);
    opacity: 0.3;
    display: block;
    margin-bottom: 0.25rem;
}
.qv-story-fragment h3 {
    font-family: var(--qv-font-serif);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}
.qv-story-fragment p { font-size: 14px; color: var(--qv-text-muted); }
.qv-story-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.qv-story-dot {
    width: 28px;
    height: 3px;
    background: var(--qv-glass-border);
    border-radius: 2px;
    transition: background 0.3s, width 0.3s;
}
.qv-story-dot.is-active {
    background: var(--qv-copper);
    width: 40px;
}
.qv-story-visual {
    position: relative;
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
}
.qv-story-visual img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}
.qv-story-visual__frame {
    position: absolute;
    inset: 1rem;
    border: 1px solid rgba(200, 146, 90, 0.35);
    pointer-events: none;
}

/* Spec lens — interactive */
.qv-lens-intro {
    color: var(--qv-text-muted);
    font-size: 14px;
    margin-bottom: 2rem;
    max-width: 520px;
}
.qv-lens-stage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.qv-lens-ring {
    position: relative;
    width: min(320px, 80vw);
    aspect-ratio: 1;
    margin: 0 auto;
}
.qv-lens-node {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 72px;
    margin: -20px 0 0 -36px;
    transform: rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle)));
    font-size: 10px;
    text-align: center;
    padding: 0.35rem;
    border-radius: var(--qv-radius);
    border: 1px solid var(--qv-glass-border);
    background: var(--qv-surface);
    transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.qv-lens-node.is-active {
    border-color: var(--qv-copper);
    background: var(--qv-copper-dim);
    color: var(--qv-copper);
}
.qv-lens-node span { display: block; line-height: 1.2; }
.qv-lens-core {
    position: absolute;
    inset: 25%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px dashed var(--qv-glass-border);
    border-radius: 50%;
    padding: 1rem;
}
.qv-lens-core strong {
    font-family: var(--qv-font-serif);
    font-size: 1rem;
    margin: 0.25rem 0;
}
.qv-lens-core em {
    font-size: 11px;
    color: var(--qv-text-muted);
    font-style: normal;
}
.qv-lens-car {
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
    border: 1px solid var(--qv-glass-border);
}
.qv-lens-car img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }

/* Experimental depth stack */
.qv-glass-panel--experiment {
    max-width: 640px;
    margin-bottom: 2rem;
}
.qv-depth-canvas {
    position: relative;
    height: 70vh;
    max-width: var(--qv-max);
    margin: 0 auto;
    perspective: 1200px;
}
.qv-depth-tile {
    position: absolute;
    width: 42%;
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
    box-shadow: var(--qv-shadow);
    transform: rotate(var(--skew, 0deg));
    transition: transform 0.1s linear;
    will-change: transform;
}
.qv-depth-tile:nth-child(1) { top: 5%; left: 5%; z-index: 1; }
.qv-depth-tile:nth-child(2) { top: 15%; right: 8%; z-index: 2; width: 38%; }
.qv-depth-tile:nth-child(3) { top: 38%; left: 18%; z-index: 3; width: 44%; }
.qv-depth-tile:nth-child(4) { top: 50%; right: 12%; z-index: 4; width: 36%; }
.qv-depth-tile:nth-child(5) { bottom: 12%; left: 8%; z-index: 5; width: 40%; }
.qv-depth-tile:nth-child(6) { bottom: 5%; right: 5%; z-index: 6; width: 34%; }
.qv-depth-tile img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.qv-depth-tile__shadow {
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
    pointer-events: none;
}

/* Process tabs */
.qv-process-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}
.qv-process-tab {
    padding: 0.6rem 1rem;
    border: 1px solid var(--qv-glass-border);
    border-radius: var(--qv-radius);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: border-color 0.25s, background 0.25s;
}
.qv-process-tab span {
    font-family: var(--qv-font-display);
    font-size: 11px;
    color: var(--qv-copper);
}
.qv-process-tab.is-active {
    border-color: var(--qv-copper);
    background: var(--qv-copper-dim);
}
.qv-process-panel {
    display: none;
    padding: 1.5rem;
    background: var(--qv-surface);
    border-radius: var(--qv-radius);
    border-left: 3px solid var(--qv-copper);
}
.qv-process-panel.is-active { display: block; }
.qv-process-panel__num {
    font-family: var(--qv-font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--qv-copper);
    opacity: 0.25;
    display: block;
}
.qv-process-panel h3 {
    font-family: var(--qv-font-serif);
    font-size: 1.25rem;
    margin: 0.25rem 0 0.5rem;
}
.qv-process-panel p { font-size: 14px; color: var(--qv-text-muted); }

/* Route explorer */
.qv-route-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.qv-route-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.qv-route-btn {
    text-align: left;
    padding: 0.75rem 1rem;
    border-radius: var(--qv-radius);
    border-left: 2px solid transparent;
    transition: background 0.25s, border-color 0.25s;
}
.qv-route-btn:hover, .qv-route-btn.is-active {
    background: var(--qv-copper-dim);
    border-left-color: var(--qv-copper);
}
.qv-route-btn__km {
    font-size: 10px;
    color: var(--qv-copper);
    letter-spacing: 0.06em;
    display: block;
}
.qv-route-btn strong { font-size: 13px; }
.qv-route-stage { position: relative; min-height: 320px; }
.qv-route-panel {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.5s var(--qv-ease), transform 0.5s var(--qv-ease);
    pointer-events: none;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.25rem;
    align-items: center;
}
.qv-route-panel.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}
.qv-route-panel figure {
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
}
.qv-route-panel img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.qv-route-panel__copy h3 {
    font-family: var(--qv-font-serif);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}
.qv-route-panel__copy p {
    font-size: 14px;
    color: var(--qv-text-muted);
    margin-bottom: 1rem;
}

/* Metrics islands */
.qv-metrics-islands {
    max-width: var(--qv-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}
.qv-metric-island {
    background: var(--qv-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--qv-glass-border);
    border-radius: var(--qv-radius-lg);
    padding: 1.25rem 1.75rem;
    text-align: center;
    min-width: 120px;
    box-shadow: var(--qv-shadow-soft);
    transform: translateY(20px);
    opacity: 0;
    transition: opacity 0.6s var(--qv-ease), transform 0.6s var(--qv-ease);
    transition-delay: var(--delay, 0s);
}
.qv-metric-island.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.qv-metric-island strong {
    display: block;
    font-family: var(--qv-font-display);
    font-size: 1.75rem;
    color: var(--qv-copper);
}
.qv-metric-island span { font-size: 11px; color: var(--qv-text-muted); }

/* Voices */
.qv-voice-stage { position: relative; min-height: 200px; margin-top: 1rem; }
.qv-voice-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s, transform 0.6s;
    pointer-events: none;
}
.qv-voice-slide.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.qv-voice-slide p {
    font-family: var(--qv-font-serif);
    font-size: clamp(1.1rem, 2.5vw, 1.45rem);
    line-height: 1.55;
    font-style: italic;
    margin-bottom: 1.25rem;
}
.qv-voice-slide cite {
    font-style: normal;
    font-family: var(--qv-font-display);
    font-weight: 600;
    font-size: 13px;
}
.qv-voice-slide footer span {
    display: block;
    font-size: 12px;
    color: var(--qv-text-muted);
    margin-top: 0.15rem;
}
.qv-voice-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 10rem;
}
.qv-voice-controls button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--qv-glass-border);
    border-radius: 50%;
    transition: border-color 0.25s;
}
.qv-voice-controls button:hover { border-color: var(--qv-copper); }
.qv-voice-dots { display: flex; gap: 0.4rem; }
.qv-voice-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--qv-glass-border);
    transition: background 0.3s, transform 0.3s;
}
.qv-voice-dot.is-active {
    background: var(--qv-copper);
    transform: scale(1.3);
}

/* CTA conversion */
.qv-layer--cta {
    min-height: 90vh;
    gap: 2rem;
}
.qv-glass-panel--cta { text-align: center; }
.qv-glass-panel--cta p:not(.qv-micro) {
    color: var(--qv-text-muted);
    max-width: 520px;
    margin: 0 auto 1.5rem;
}
.qv-cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.qv-cta-trust {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    list-style: none;
    font-size: 12px;
    color: var(--qv-text-muted);
}
.qv-cta-trust li::before {
    content: '◆';
    color: var(--qv-copper);
    margin-right: 0.35rem;
    font-size: 8px;
}
.qv-cta-overlap {
    max-width: var(--qv-max);
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: -1rem;
    flex-wrap: wrap;
    padding: 0 1.5rem;
}
.qv-cta-card {
    flex: 0 0 280px;
    background: var(--qv-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--qv-glass-border);
    border-radius: var(--qv-radius-lg);
    overflow: hidden;
    margin-left: -1.5rem;
    box-shadow: var(--qv-shadow-soft);
    transition: transform 0.35s var(--qv-ease);
}
.qv-cta-card:first-child { margin-left: 0; }
.qv-cta-card:hover { transform: translateY(-8px) scale(1.02); z-index: 2; }
.qv-cta-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.qv-cta-card div { padding: 1rem; }
.qv-cta-card h4 {
    font-family: var(--qv-font-serif);
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}
.qv-cta-card span {
    display: block;
    font-family: var(--qv-font-display);
    color: var(--qv-copper);
    font-size: 14px;
    margin-bottom: 0.75rem;
}

/* Fade up animation */
.qv-fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s var(--qv-ease), transform 0.8s var(--qv-ease);
    transition-delay: var(--delay, 0s);
}
.qv-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive overlay */
@media (max-width: 960px) {
    .qv-depth-rail { display: none; }
    .qv-glass-panel--hero { margin-left: auto; margin-right: auto; }
    .qv-story-pin, .qv-lens-stage, .qv-route-layout, .qv-route-panel {
        grid-template-columns: 1fr;
    }
    .qv-route-panel { position: relative; }
    .qv-route-stage { min-height: auto; }
    .qv-route-panel:not(.is-active) { display: none; }
    .qv-route-panel.is-active { position: relative; opacity: 1; transform: none; }
    .qv-cta-card { margin-left: 0; flex: 1 1 100%; }
    .qv-depth-tile { width: 55% !important; }
}
@media (max-width: 600px) {
    .qv-layer { padding-left: 1rem; padding-right: 1rem; }
    .qv-gate__metrics { gap: 1rem; }
    .qv-lens-node { width: 56px; margin-left: -28px; transform: rotate(var(--angle)) translateY(-110px) rotate(calc(-1 * var(--angle))); font-size: 9px; }
}