/* Ryvexor Home — Layout 31: Alternating Screen Panels */

.rvx-chapter-rail {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: var(--rvx-rail-w);
    z-index: 850;
    background: var(--rvx-slate);
    border-right: 1px solid var(--rvx-line);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--rvx-nav-h) + 16px) 0 24px;
}
.rvx-chapter-rail__brand {
    font-family: var(--rvx-serif);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--rvx-copper);
    writing-mode: vertical-rl;
    margin-bottom: 24px;
}
.rvx-chapter-rail__list {
    list-style: none;
    margin: 0; padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}
.rvx-chapter-rail__list button {
    background: none;
    border: none;
    color: var(--rvx-muted);
    font-family: var(--rvx-sans);
    font-size: 0.55rem;
    cursor: pointer;
    padding: 6px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: color 0.25s;
    writing-mode: vertical-rl;
}
.rvx-chapter-rail__list button span { font-family: var(--rvx-serif); font-size: 0.6rem; opacity: 0.4; }
.rvx-chapter-rail__list button.is-active,
.rvx-chapter-rail__list button:hover { color: var(--rvx-copper); }
.rvx-chapter-rail__progress {
    width: 2px;
    height: 48px;
    background: var(--rvx-line);
    position: relative;
    overflow: hidden;
}
.rvx-chapter-rail__progress::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: var(--progress, 10%);
    background: var(--rvx-copper);
    transition: height 0.4s var(--rvx-ease);
}

/* Panel scroll container */
.rvx-panels {
    scroll-snap-type: y proximity;
}
.rvx-panel {
    min-height: 100vh;
    min-height: 100dvh;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.rvx-panel--dark { background: var(--rvx-ink); }
.rvx-panel--hero { padding-top: var(--rvx-nav-h); }

/* Split panels */
.rvx-panel__split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    min-height: calc(100vh - var(--rvx-nav-h));
    min-height: calc(100dvh - var(--rvx-nav-h));
}
.rvx-panel__split--reverse { direction: rtl; }
.rvx-panel__split--reverse > * { direction: ltr; }
.rvx-panel__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(32px, 6vw, 80px);
    max-width: 640px;
}
.rvx-panel__visual {
    position: relative;
    overflow: hidden;
}
.rvx-panel__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}
.rvx-panel__visual--mask::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,10,12,0.3) 0%, transparent 50%);
    pointer-events: none;
}
.rvx-panel__visual--overlap { margin: -40px 40px 40px -40px; z-index: 2; box-shadow: var(--rvx-shadow); }
.rvx-panel__index {
    position: absolute;
    bottom: 32px; right: 32px;
    font-family: var(--rvx-serif);
    font-size: clamp(4rem, 12vw, 8rem);
    color: rgba(232,228,220,0.08);
    line-height: 1;
    pointer-events: none;
}
.rvx-panel__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }

/* Typography */
.rvx-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--rvx-copper);
    margin: 0 0 20px;
}
.rvx-mega-title {
    font-family: var(--rvx-serif);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 600;
    line-height: 1.05;
    margin: 0 0 24px;
    letter-spacing: -0.02em;
}
.rvx-mega-title__line { display: block; }
.rvx-mega-title__line--accent { color: var(--rvx-copper); font-style: italic; }
.rvx-section-title {
    font-family: var(--rvx-serif);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 20px;
}
.rvx-section-title span { color: var(--rvx-copper); }
.rvx-lead { font-size: 1rem; color: var(--rvx-muted); max-width: 480px; margin: 0; line-height: 1.85; }

.rvx-scroll-hint {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    opacity: 0.4;
    animation: rvx-bob 2s ease-in-out infinite;
}
@keyframes rvx-bob { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* Panel 02 — Horizontal ribbon */
.rvx-panel--ribbon {
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--rvx-nav-h) + 40px) 0 60px;
    background: var(--rvx-slate);
    min-height: auto;
}
.rvx-ribbon-head { padding: 0 clamp(24px, 5vw, 80px) 32px; max-width: 600px; }
.rvx-ribbon-head__note { font-size: 0.82rem; color: var(--rvx-muted); margin: 8px 0 0; }
.rvx-hscroll {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 0 clamp(24px, 5vw, 80px) 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--rvx-copper) transparent;
    -webkit-overflow-scrolling: touch;
}
.rvx-hscroll::-webkit-scrollbar { height: 4px; }
.rvx-hscroll::-webkit-scrollbar-thumb { background: var(--rvx-copper); }
.rvx-ribbon-card {
    flex: 0 0 min(340px, 85vw);
    scroll-snap-align: start;
    background: var(--rvx-panel);
    border: 1px solid var(--rvx-line);
    transition: transform 0.35s var(--rvx-ease), border-color 0.35s;
    animation: rvx-card-in 0.6s var(--rvx-ease) both;
    animation-delay: calc(var(--card-i, 0) * 0.08s);
}
@keyframes rvx-card-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
.rvx-ribbon-card:hover { transform: translateY(-6px); border-color: var(--rvx-copper-dim); }
.rvx-ribbon-card__img { position: relative; aspect-ratio: 3/2; overflow: hidden; }
.rvx-ribbon-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.rvx-ribbon-card:hover .rvx-ribbon-card__img img { transform: scale(1.05); }
.rvx-ribbon-card__badge { position: absolute; top: 12px; left: 12px; background: var(--rvx-copper); color: #0a0a0c; font-size: 0.65rem; padding: 4px 8px; }
.rvx-ribbon-card__body { padding: 20px; }
.rvx-ribbon-card__cat { font-size: 0.68rem; letter-spacing: 0.12em; color: var(--rvx-copper); text-transform: uppercase; }
.rvx-ribbon-card__body h3 { font-family: var(--rvx-serif); font-size: 1.1rem; margin: 8px 0 4px; }
.rvx-ribbon-card__body p { font-size: 0.78rem; color: var(--rvx-muted); margin: 0 0 16px; }
.rvx-ribbon-card__foot { display: flex; justify-content: space-between; align-items: center; }
.rvx-ribbon-card__foot strong { font-size: 1rem; }

/* Panel 03 — Manifesto */
.rvx-panel--manifesto { background: var(--rvx-ink); }
.rvx-manifesto__scroll { max-height: 280px; overflow-y: auto; padding-right: 16px; margin-bottom: 24px; scrollbar-width: thin; }
.rvx-manifesto__scroll p { color: var(--rvx-muted); margin: 0 0 16px; font-size: 0.95rem; }

/* Panel 04 — Build dial */
.rvx-panel--interactive { background: var(--rvx-slate); }
.rvx-dial__group { margin-bottom: 24px; }
.rvx-dial__group label { display: block; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.5; margin-bottom: 10px; }
.rvx-dial__opts { display: flex; flex-wrap: wrap; gap: 8px; }
.rvx-dial__opts button {
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--rvx-line);
    color: var(--rvx-muted);
    font-family: var(--rvx-sans);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.25s;
}
.rvx-dial__opts button.is-active { background: var(--rvx-copper); color: #0a0a0c; border-color: var(--rvx-copper); }
.rvx-dial__opts button:hover:not(.is-active) { border-color: var(--rvx-copper); color: var(--rvx-fog); }
.rvx-dial__result {
    margin-top: 32px;
    padding: 24px;
    background: var(--rvx-copper-dim);
    border-left: 3px solid var(--rvx-copper);
    display: grid;
    gap: 16px;
}
.rvx-dial__result span { font-size: 0.72rem; opacity: 0.6; display: block; }
.rvx-dial__result strong { font-family: var(--rvx-serif); font-size: 1.4rem; color: var(--rvx-fog); }
.rvx-dial-preview { position: relative; }
.rvx-dial-preview__spec {
    position: absolute;
    bottom: 24px; left: 24px;
    display: flex; gap: 12px;
}
.rvx-dial-preview__spec span {
    background: rgba(10,10,12,0.75);
    backdrop-filter: blur(8px);
    padding: 6px 12px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    border: 1px solid var(--rvx-line);
}

/* Panel 05 — Experimental diagonal */
.rvx-panel--experimental {
    background: var(--rvx-ink);
    padding: calc(var(--rvx-nav-h) + 40px) clamp(24px, 5vw, 80px);
    min-height: auto;
}
.rvx-experiment {
    display: grid;
    grid-template-columns: 1fr 1.2fr 0.8fr;
    grid-template-rows: auto auto;
    gap: 24px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.rvx-experiment__slice--a { grid-row: 1 / 3; clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%); overflow: hidden; }
.rvx-experiment__slice--a img { width: 100%; height: 100%; object-fit: cover; min-height: 480px; }
.rvx-experiment__slice--b { padding: 32px 0; align-self: center; }
.rvx-experiment__slice--b p { color: var(--rvx-muted); margin-bottom: 24px; }
.rvx-experiment__list { list-style: none; padding: 0; margin: 0; display: flex; gap: 32px; }
.rvx-experiment__list li { text-align: center; }
.rvx-experiment__list span { display: block; font-family: var(--rvx-serif); font-size: 2.5rem; color: var(--rvx-copper); line-height: 1; }
.rvx-experiment__list li { font-size: 0.78rem; color: var(--rvx-muted); }
.rvx-experiment__slice--c { clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%); overflow: hidden; align-self: end; }
.rvx-experiment__slice--c img { width: 100%; height: 280px; object-fit: cover; }

/* Panel 06 — Metrics */
.rvx-panel--metrics {
    background: var(--rvx-copper);
    color: #0a0a0c;
    padding: 80px clamp(24px, 5vw, 80px);
    min-height: 60vh;
}
.rvx-metrics { width: 100%; max-width: 1100px; margin: 0 auto; }
.rvx-panel--metrics .rvx-kicker { color: rgba(10,10,12,0.5); }
.rvx-panel--metrics .rvx-section-title { color: #0a0a0c; }
.rvx-panel--metrics .rvx-section-title span { color: rgba(10,10,12,0.7); }
.rvx-metrics__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin: 48px 0 24px; }
.rvx-metric { text-align: center; }
.rvx-metric strong { font-family: var(--rvx-serif); font-size: clamp(2.5rem, 6vw, 4rem); display: block; line-height: 1; }
.rvx-metric > span { font-size: 0.82rem; opacity: 0.65; margin-top: 8px; display: block; }
.rvx-metrics__note { font-size: 0.78rem; opacity: 0.55; text-align: center; }

/* Panel 07 — Journey */
.rvx-panel--journey { background: var(--rvx-slate); }
.rvx-journey { list-style: none; padding: 0; margin: 0; }
.rvx-journey li {
    display: flex; gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--rvx-line);
    cursor: pointer;
    opacity: 0.45;
    transition: opacity 0.3s;
}
.rvx-journey li.is-active { opacity: 1; }
.rvx-journey li:hover { opacity: 0.85; }
.rvx-journey__num { font-family: var(--rvx-serif); font-size: 1.2rem; color: var(--rvx-copper); min-width: 32px; }
.rvx-journey li h3 { margin: 0 0 4px; font-size: 1rem; }
.rvx-journey li p { margin: 0; font-size: 0.85rem; color: var(--rvx-muted); }
.rvx-journey-visual { position: relative; }
.rvx-journey-visual__caption {
    position: absolute;
    bottom: 24px; left: 24px;
    background: rgba(10,10,12,0.8);
    padding: 10px 16px;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

/* Panel 08 — Voices */
.rvx-panel--voices {
    background: var(--rvx-ink);
    padding: 80px clamp(24px, 5vw, 80px);
    justify-content: center;
}
.rvx-voices { max-width: 800px; text-align: center; }
.rvx-voice-slider { position: relative; min-height: 180px; margin: 40px 0 32px; }
.rvx-voice {
    position: absolute; inset: 0;
    margin: 0;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s, transform 0.5s;
}
.rvx-voice.is-active { opacity: 1; transform: none; position: relative; }
.rvx-voice p { font-family: var(--rvx-serif); font-size: clamp(1.1rem, 2.5vw, 1.5rem); line-height: 1.7; font-style: italic; margin: 0 0 20px; }
.rvx-voice footer { font-size: 0.82rem; color: var(--rvx-muted); }
.rvx-voice-controls { display: flex; justify-content: center; gap: 12px; }
.rvx-voice-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 1px solid var(--rvx-copper);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.25s;
}
.rvx-voice-dot.is-active { background: var(--rvx-copper); }

/* Panel 09 — Collection overlap */
.rvx-panel--collection {
    background: var(--rvx-slate);
    padding: calc(var(--rvx-nav-h) + 60px) clamp(24px, 5vw, 80px) 80px;
    min-height: auto;
}
.rvx-collection__head { margin-bottom: 48px; }
.rvx-collection__stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    position: relative;
    min-height: 420px;
}
.rvx-collect-card {
    position: relative;
    display: block;
    overflow: hidden;
    color: var(--rvx-fog);
    transition: transform 0.4s var(--rvx-ease), z-index 0s;
}
.rvx-collect-card--a { transform: translateY(0); z-index: 1; }
.rvx-collect-card--b { transform: translateY(40px); z-index: 2; margin-left: -40px; margin-right: -40px; }
.rvx-collect-card--c { transform: translateY(80px); z-index: 3; }
.rvx-collect-card:hover { transform: translateY(-12px); z-index: 10; color: var(--rvx-fog); }
.rvx-collect-card img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.6s; }
.rvx-collect-card:hover img { transform: scale(1.06); }
.rvx-collect-card__label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(10,10,12,0.92));
}
.rvx-collect-card__label span { font-size: 0.72rem; color: var(--rvx-copper); letter-spacing: 0.14em; }
.rvx-collect-card__label h3 { font-family: var(--rvx-serif); font-size: 1.3rem; margin: 4px 0; }
.rvx-collect-card__label p { font-size: 0.78rem; color: var(--rvx-muted); margin: 0; }

/* Panel 10 — Forge CTA */
.rvx-panel--forge { background: var(--rvx-ink); padding-top: var(--rvx-nav-h); }
.rvx-forge {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    width: 100%;
    min-height: calc(100vh - var(--rvx-nav-h));
}
.rvx-forge__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(32px, 6vw, 80px);
}
.rvx-forge__perks {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}
.rvx-forge__perks li {
    font-size: 0.85rem;
    color: var(--rvx-muted);
    padding-left: 16px;
    position: relative;
}
.rvx-forge__perks li::before { content: '—'; position: absolute; left: 0; color: var(--rvx-copper); }
.rvx-forge__visual { position: relative; overflow: hidden; }
.rvx-forge__visual img { width: 100%; height: 100%; object-fit: cover; min-height: 400px; }
.rvx-forge__card {
    position: absolute;
    top: 32px; right: 32px;
    background: rgba(10,10,12,0.88);
    backdrop-filter: blur(12px);
    border: 1px solid var(--rvx-line);
    padding: 20px 24px;
    font-size: 0.85rem;
}
.rvx-forge__card span { display: block; font-size: 0.72rem; color: var(--rvx-copper); letter-spacing: 0.1em; margin-bottom: 4px; }
.rvx-forge__card strong { display: block; margin-bottom: 8px; font-size: 0.82rem; }
.rvx-forge__card a { font-size: 0.9rem; }

/* Home responsive */
@media (max-width: 1024px) {
    .rvx-panel__split, .rvx-forge { grid-template-columns: 1fr; }
    .rvx-panel__split--reverse { direction: ltr; }
    .rvx-panel__visual { min-height: 320px; }
    .rvx-panel__visual--overlap { margin: 0; }
    .rvx-experiment { grid-template-columns: 1fr; }
    .rvx-experiment__slice--a, .rvx-experiment__slice--c { clip-path: none; }
    .rvx-metrics__grid { grid-template-columns: repeat(2, 1fr); }
    .rvx-collection__stack { grid-template-columns: 1fr; gap: 24px; }
    .rvx-collect-card--b, .rvx-collect-card--c { transform: none; margin: 0; }
    .rvx-collect-card img { height: 260px; }
}
@media (max-width: 768px) {
    .rvx-panel { min-height: auto; }
    .rvx-panel__split { min-height: auto; }
    .rvx-forge__perks { grid-template-columns: 1fr; }
    .rvx-metrics__grid { grid-template-columns: 1fr 1fr; }
}