/* ============================================================
   style-1.css — Cinematic Intro / Promo specific styles
   Loaded ALONGSIDE style.css (not replacing it).
   Header, info-bubble, menu styles inherit from style.css.
   ============================================================ */

/* ---- Override base body to enable scrolling on the intro page.
   The episode pages use overflow:hidden because scenes navigate
   via JS swipe, not scroll. The intro is a scrollable landing,
   so we must restore default scroll behavior here. ---- */
html, body {
    overflow-y: auto !important;
    overflow-x: hidden !important;
    height: auto !important;
    min-height: 100vh;
    position: static !important;
}

:root {
    --intro-bg:           #0a0a14;
    --intro-bg-soft:      rgba(255,255,255,0.02);
    --intro-bg-card:      rgba(255,255,255,0.04);
    --intro-bg-card-hi:   rgba(255,255,255,0.07);
    --intro-border:       rgba(255,255,255,0.06);
    --intro-border-hi:    rgba(255,255,255,0.14);
    --intro-text:         #e8e8ec;
    --intro-text-mid:     #b8b8be;
    --intro-text-dim:     #7a7a82;
    --intro-text-faint:   #4a4a52;
    --intro-gold:         #f1c40f;
    --intro-gold-soft:    rgba(241, 196, 15, 0.12);
    --intro-blue:         #4a8fc8;
    --intro-blue-soft:    rgba(74, 143, 200, 0.12);
    --intro-coral:        #d96f53;
    --intro-radius:       8px;
    --intro-radius-lg:    14px;
    --intro-max:          1180px;
    --intro-pad-x:        clamp(20px, 5vw, 56px);
    --intro-section-gap:  clamp(60px, 9vh, 120px);
    --font-display:       'Cinzel', Georgia, serif;
    --font-body:          'Montserrat', -apple-system, sans-serif;
}

/* ---------- Layout container ---------- */
.intro-main {
    background: var(--intro-bg);
    color: var(--intro-text);
    min-height: 100vh;
    overflow-x: hidden;
    /* Subtle film-grain noise for texture */
    background-image:
        radial-gradient(circle at 20% 0%, rgba(74,143,200,0.05), transparent 50%),
        radial-gradient(circle at 80% 100%, rgba(241,196,15,0.04), transparent 50%);
}

.intro-section {
    padding: var(--intro-section-gap) var(--intro-pad-x);
    position: relative;
}

.intro-section-inner {
    max-width: var(--intro-max);
    margin: 0 auto;
}

/* ---------- Reveal-on-scroll (animated by engine-1.js) ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- HERO orchestration: layered, staggered cinematic reveal.
   The wrapper fades in fast (background + ambient), then each text
   layer arrives in sequence with long, slow transitions. Total
   choreography ~4 seconds — like a film opening title sequence. ---- */
.intro-hero[data-reveal] {
    transform: none;
    transition: opacity 0.5s linear;
}
.intro-hero-kicker,
.intro-hero-title > span,
.intro-hero-scroll {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 1.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.intro-hero.is-revealed .intro-hero-kicker {
    opacity: 0.85;
    transform: none;
    transition-delay: 0.6s;
    transition-duration: 1.6s;
}
.intro-hero.is-revealed .intro-hero-title > span:first-child {
    opacity: 1;
    transform: none;
    transition-delay: 1.3s;
    transition-duration: 2.0s;
}
.intro-hero.is-revealed .intro-hero-title-italic {
    opacity: 1;
    transform: none;
    transition-delay: 2.2s;
    transition-duration: 2.2s;
}
.intro-hero.is-revealed .intro-hero-scroll {
    opacity: 1;
    transform: none;
    transition-delay: 3.4s;
    transition-duration: 1.4s;
}

/* ---------- Section labels (numbered, editorial style) ---------- */
.intro-section-label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--intro-border);
}
.intro-section-num {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--intro-gold);
    letter-spacing: 0.15em;
}
.intro-section-name {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    color: var(--intro-text-dim);
    letter-spacing: 0.32em;
}

/* ============================================================
   SECTION 1 — CINEMATIC HERO
   ============================================================ */
.intro-hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px var(--intro-pad-x) 60px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at center top, rgba(74,143,200,0.16) 0%, transparent 55%),
        linear-gradient(180deg, #0d0d1a 0%, #08080f 100%);
}
.intro-hero-bg {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 1.4;
    z-index: 0;
}
.intro-hero-veil {
    position: absolute; inset: 0;
    background: linear-gradient(180deg,
        rgba(10,10,20,0.4) 0%,
        rgba(10,10,20,0.65) 50%,
        rgba(10,10,20,0.95) 100%);
    z-index: 1;
}
.intro-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 760px;
}
.intro-hero-kicker {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.45em;
    color: var(--intro-gold);
    margin: 0 0 28px;
    /* opacity controlled by hero orchestration above */
}
.intro-hero-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 5.2vw, 38px);
    font-weight: 500;
    line-height: 1.18;
    color: #fff;
    margin: 0 0 36px;
    letter-spacing: 0.005em;
}
.intro-hero-title span {
    display: block;
}
.intro-hero-title-italic {
    font-style: italic;
    font-weight: 400;
    color: var(--intro-text);
    margin-top: 2.5em;
}
.intro-hero-scroll {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}
.intro-hero-scroll-line {
    width: 1px; height: 56px;
    background: linear-gradient(180deg, transparent, var(--intro-gold) 60%, transparent);
    animation: introScrollPulse 2.4s ease-in-out infinite;
}
@keyframes introScrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50%      { opacity: 1;   transform: scaleY(1);   }
}

/* ============================================================
   SECTION 2 — THE PREMISE
   ============================================================ */
.intro-premise-body {
    max-width: 720px;
}
.intro-premise-lead {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.6vw, 28px);
    font-weight: 400;
    line-height: 1.45;
    color: #fff;
    margin: 0 0 22px;
    letter-spacing: 0.005em;
}
.intro-premise-text {
    font-family: var(--font-body);
    font-size: clamp(14px, 1.4vw, 16px);
    font-weight: 300;
    line-height: 1.8;
    color: var(--intro-text-mid);
    margin: 0;
}

/* ============================================================
   SECTION 3 — THE CAST
   ============================================================ */
.intro-cast {
    background: var(--intro-bg-soft);
}
.intro-cast-group {
    margin-bottom: 56px;
}
.intro-cast-group:last-child {
    margin-bottom: 0;
}
.intro-cast-group-head {
    margin-bottom: 22px;
}
.intro-cast-group-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--intro-blue);
    margin: 0 0 6px;
}
.intro-cast-group-sub {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 300;
    color: var(--intro-text-dim);
    margin: 0;
}

/* IN FOCUS — large cards */
.intro-cast-grid--focus {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.intro-cast-card {
    aspect-ratio: 0.72;
    background-color: var(--intro-bg-card);
    background-size: cover;
    background-position: center top;
    border-radius: var(--intro-radius);
    border: 1px solid var(--intro-border);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1),
                border-color 0.4s ease;
}
.intro-cast-card:hover {
    transform: translateY(-4px);
    border-color: var(--intro-border-hi);
}
.intro-cast-card-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg,
        rgba(0,0,0,0) 30%,
        rgba(0,0,0,0.55) 70%,
        rgba(0,0,0,0.92) 100%);
    transition: background 0.4s ease;
}
.intro-cast-card:hover .intro-cast-card-overlay {
    background: linear-gradient(180deg,
        rgba(0,0,0,0) 20%,
        rgba(0,0,0,0.55) 65%,
        rgba(0,0,0,0.92) 100%);
}
.intro-cast-card-meta {
    position: absolute;
    left: 14px; right: 14px; bottom: 14px;
    z-index: 1;
}
.intro-cast-card-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    margin: 0 0 4px;
    letter-spacing: 0.02em;
}
.intro-cast-card-status {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--intro-text-mid);
    margin: 0;
    text-transform: uppercase;
}
/* Live (clickable) variant */
.intro-cast-card--live {
    border-color: rgba(241,196,15,0.25);
}
.intro-cast-card--live::before {
    content: "";
    position: absolute;
    top: 12px; right: 12px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--intro-gold);
    box-shadow: 0 0 0 4px rgba(241,196,15,0.18), 0 0 18px rgba(241,196,15,0.6);
    z-index: 2;
    animation: introPulseDot 2.2s ease-in-out infinite;
}
@keyframes introPulseDot {
    0%, 100% { box-shadow: 0 0 0 4px rgba(241,196,15,0.18), 0 0 18px rgba(241,196,15,0.6); }
    50%      { box-shadow: 0 0 0 6px rgba(241,196,15,0.10), 0 0 26px rgba(241,196,15,0.85); }
}
.intro-cast-card--live:hover {
    border-color: rgba(241,196,15,0.55);
    transform: translateY(-6px);
}
/* Coming-soon variant */
.intro-cast-card--soon {
    opacity: 0.55;
}
.intro-cast-card--soon .intro-cast-card-status {
    color: var(--intro-coral);
}

/* THE UNIVERSE — small grid */
.intro-cast-grid--universe {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}
.intro-cast-cell {
    aspect-ratio: 1;
    background: var(--intro-bg-card);
    border: 1px solid var(--intro-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background 0.3s ease;
}
.intro-cast-cell:hover {
    background: var(--intro-bg-card-hi);
}
.intro-cast-cell-mark {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--intro-text-faint);
    font-weight: 500;
}
.intro-cast-cell--more {
    background: transparent;
    border: 1px dashed var(--intro-border-hi);
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.18em;
    color: var(--intro-text-dim);
    text-transform: uppercase;
}

/* ============================================================
   SECTION 4 — HOW IT WORKS
   ============================================================ */
.intro-how-kicker {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--intro-gold);
    margin: 0 0 28px;
}
.intro-how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 48px;
}

/* 6 social kártya — kép balra + szöveg jobbra, ARANY paletta */
.intro-how-card {
    background: linear-gradient(135deg,
        rgba(241, 196, 15, 0.10) 0%,
        rgba(255, 215, 90, 0.14) 50%,
        rgba(241, 196, 15, 0.10) 100%);
    border: 1px solid rgba(241, 196, 15, 0.35);
    border-radius: var(--intro-radius);
    padding: 14px 18px;
    /* Horizontális layout: ikon balra + szöveg jobbra */
    display: flex;
    align-items: center;
    gap: 14px;
    /* Mivel <a> tag-ek: tüntessük el az alap link-stílust */
    text-decoration: none;
    color: inherit;
    transition: border-color 0.4s ease, background 0.4s ease, transform 0.4s ease,
                box-shadow 0.4s ease;
}
.intro-how-card:hover {
    border-color: rgba(241, 196, 15, 0.65);
    background: linear-gradient(135deg,
        rgba(241, 196, 15, 0.18) 0%,
        rgba(255, 215, 90, 0.24) 50%,
        rgba(241, 196, 15, 0.18) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(241, 196, 15, 0.15),
                inset 0 0 12px rgba(241, 196, 15, 0.08);
}

.intro-how-card-img {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.intro-how-card-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.intro-how-card-text {
    flex: 1;
    min-width: 0;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--intro-gold);
    margin: 0;
    letter-spacing: 0.04em;
    line-height: 1.4;
}

/* Scene Intensity Legend — 5 levels with bar icons + descriptions */
.intro-intensity {
    background: var(--intro-blue-soft);
    border: 1px solid rgba(74,143,200,0.22);
    border-radius: var(--intro-radius);
    padding: 26px 28px;
}
.intro-intensity-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.32em;
    color: var(--intro-blue);
    margin: 0 0 8px;
}
.intro-intensity-intro {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--intro-text-mid);
    margin: 0 0 22px;
    max-width: 560px;
}

.intro-intensity-list {
    list-style: none;
    margin: 0;
    padding: 0;
    /* Level color palette — green → yellow → orange → red.
       Edit these CSS variables to retune the heat ramp.    */
    --lvl-bg:  rgba(255,255,255,0.07);
    --lvl-1: #6fc97e;   /* soft green   */
    --lvl-2: #b8d142;   /* lime         */
    --lvl-3: #f1c40f;   /* gold         */
    --lvl-4: #e67e22;   /* orange       */
    --lvl-5: #e74c3c;   /* red          */
}

.intro-intensity-item {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 22px;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.intro-intensity-item:first-child { padding-top: 6px; }
.intro-intensity-item:last-child  { border-bottom: none; padding-bottom: 0; }

/* Bar icon — 5 vertical bars rising in height, like a signal meter */
.intro-intensity-bars {
    display: inline-flex;
    align-items: flex-end;
    gap: 4px;
    height: 28px;
    width: 56px;
}
.intro-intensity-bars > span {
    flex: 1;
    background: var(--lvl-bg);
    border-radius: 1px;
    transition: background 0.4s ease;
}
.intro-intensity-bars > span:nth-child(1) { height: 28%; }
.intro-intensity-bars > span:nth-child(2) { height: 46%; }
.intro-intensity-bars > span:nth-child(3) { height: 64%; }
.intro-intensity-bars > span:nth-child(4) { height: 82%; }
.intro-intensity-bars > span:nth-child(5) { height: 100%; }

/* Aktív vonalak színezése az új 4-es skála szerint */
.intro-intensity-item[data-level="1"] .intro-intensity-bars > span:nth-child(-n+1) { background: var(--lvl-1); box-shadow: 0 0 8px rgba(111,201,126,0.35); }
.intro-intensity-item[data-level="2"] .intro-intensity-bars > span:nth-child(-n+2) { background: var(--lvl-3); box-shadow: 0 0 10px rgba(241,196,15,0.40); }
.intro-intensity-item[data-level="3"] .intro-intensity-bars > span:nth-child(-n+3) { background: var(--lvl-4); box-shadow: 0 0 10px rgba(230,126,34,0.45); }
.intro-intensity-item[data-level="4"] .intro-intensity-bars > span:nth-child(-n+4) { background: var(--lvl-5); box-shadow: 0 0 12px rgba(231,76,60,0.50); }

.intro-intensity-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.intro-intensity-name {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    margin: 0;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
/* Tint the level name slightly with its own intensity color */
.intro-intensity-item[data-level="1"] .intro-intensity-name { color: var(--lvl-1); }
.intro-intensity-item[data-level="2"] .intro-intensity-name { color: var(--lvl-2); }
.intro-intensity-item[data-level="3"] .intro-intensity-name { color: var(--lvl-3); }
.intro-intensity-item[data-level="4"] .intro-intensity-name { color: var(--lvl-4); }
.intro-intensity-item[data-level="5"] .intro-intensity-name { color: var(--lvl-5); }

.intro-intensity-desc {
    font-family: var(--font-body);
    font-size: 12.5px;
    font-weight: 300;
    line-height: 1.65;
    color: var(--intro-text-mid);
    margin: 0;
}


/* ============================================================
   SECTION 5 — SERIES 01 SPOTLIGHT
   ============================================================ */
.intro-spotlight {
    background: linear-gradient(180deg, transparent 0%, rgba(241,196,15,0.025) 100%);
}
.intro-spotlight-card {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 32px;
    align-items: stretch;
    background: var(--intro-bg-card);
    border: 1px solid var(--intro-border-hi);
    border-radius: var(--intro-radius-lg);
    overflow: hidden;
    position: relative;
}
.intro-spotlight-image {
    background-size: cover;
    background-position: center;
    background-color: var(--intro-bg-card-hi);
    min-height: 380px;
    position: relative;
}
.intro-spotlight-image-fade {
    position: absolute; inset: 0;
    background: linear-gradient(90deg,
        rgba(10,10,20,0) 60%,
        rgba(10,10,20,0.95) 100%);
}
.intro-spotlight-content {
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.intro-spotlight-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.32em;
    color: var(--intro-coral);
    margin: 0 0 18px;
}
.intro-spotlight-dot {
    width: 8px; height: 8px;
    background: var(--intro-coral);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(217,111,83,0.18);
    animation: introPulseDotCoral 2s ease-in-out infinite;
}
@keyframes introPulseDotCoral {
    0%, 100% { box-shadow: 0 0 0 4px rgba(217,111,83,0.18); }
    50%      { box-shadow: 0 0 0 7px rgba(217,111,83,0.10); }
}
.intro-spotlight-title {
    font-family: var(--font-display);
    font-size: clamp(22px, 3.2vw, 30px);
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 18px;
    /* gradient-text class from style.css will color it */
}
.intro-spotlight-desc {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 300;
    line-height: 1.75;
    color: var(--intro-text-mid);
    margin: 0 0 28px;
    max-width: 540px;
}
.intro-spotlight-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    align-self: flex-start;
    padding: 14px 28px;
    background: var(--intro-gold);
    color: #1a1a20;
    text-decoration: none;
    border-radius: var(--intro-radius);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1),
                box-shadow 0.35s ease,
                background 0.35s ease;
    box-shadow: 0 4px 22px rgba(241,196,15,0.18);
}
.intro-spotlight-cta:hover {
    transform: translateX(4px);
    background: #ffd72a;
    box-shadow: 0 6px 30px rgba(241,196,15,0.32);
}
.intro-spotlight-cta-arrow {
    font-size: 11px;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.intro-spotlight-cta:hover .intro-spotlight-cta-arrow {
    transform: translateX(3px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.intro-foot {
    padding: 22px var(--intro-pad-x);
    border-top: 1px solid var(--intro-border);
}
.intro-foot-inner {
    max-width: var(--intro-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.intro-foot-text,
.intro-foot-link {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--intro-text-faint);
    text-transform: uppercase;
}
.intro-foot-link {
    color: var(--intro-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}
.intro-foot-link:hover {
    color: var(--intro-gold);
}

/* ============================================================
   STAGGERED CHILD REVEALS — slow cinematic cascade in each section
   When a section gets .is-revealed, its children animate in
   one after another for a sequenced, "filmic" entry.
   ============================================================ */

/* THE CAST — In Focus cards cascade (Klara → Marcus → Zyn → Yumeko) */
.intro-cast .intro-cast-card,
.intro-cast .intro-cast-cell {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-cast.is-revealed .intro-cast-card,
.intro-cast.is-revealed .intro-cast-cell {
    opacity: 1;
    transform: none;
}
.intro-cast.is-revealed .intro-cast-grid--focus .intro-cast-card:nth-child(1) { transition-delay: 0.20s; }
.intro-cast.is-revealed .intro-cast-grid--focus .intro-cast-card:nth-child(2) { transition-delay: 0.40s; }
.intro-cast.is-revealed .intro-cast-grid--focus .intro-cast-card:nth-child(3) { transition-delay: 0.60s; }
.intro-cast.is-revealed .intro-cast-grid--focus .intro-cast-card:nth-child(4) { transition-delay: 0.80s; }
/* The "soon" card stays at its original 0.55 opacity once revealed */
.intro-cast.is-revealed .intro-cast-card--soon { opacity: 0.55; }

/* THE UNIVERSE cells — quicker 50ms-spaced cascade (12 cells) */
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(1)  { transition-delay: 1.05s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(2)  { transition-delay: 1.10s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(3)  { transition-delay: 1.15s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(4)  { transition-delay: 1.20s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(5)  { transition-delay: 1.25s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(6)  { transition-delay: 1.30s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(7)  { transition-delay: 1.35s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(8)  { transition-delay: 1.40s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(9)  { transition-delay: 1.45s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(10) { transition-delay: 1.50s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(11) { transition-delay: 1.55s; transition-duration: 1.0s; }
.intro-cast.is-revealed .intro-cast-grid--universe .intro-cast-cell:nth-child(12) { transition-delay: 1.60s; transition-duration: 1.0s; }

/* HOW IT WORKS — 6 social cards cascade, then intensity meter */
.intro-how .intro-how-card,
.intro-how .intro-intensity {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-how.is-revealed .intro-how-card,
.intro-how.is-revealed .intro-intensity {
    opacity: 1;
    transform: none;
}
.intro-how.is-revealed .intro-how-card:nth-child(1) { transition-delay: 0.20s; }
.intro-how.is-revealed .intro-how-card:nth-child(2) { transition-delay: 0.32s; }
.intro-how.is-revealed .intro-how-card:nth-child(3) { transition-delay: 0.44s; }
.intro-how.is-revealed .intro-how-card:nth-child(4) { transition-delay: 0.56s; }
.intro-how.is-revealed .intro-how-card:nth-child(5) { transition-delay: 0.68s; }
.intro-how.is-revealed .intro-how-card:nth-child(6) { transition-delay: 0.80s; }
.intro-how.is-revealed .intro-intensity            { transition-delay: 1.05s; }

/* Intensity legend items cascade in one by one when intensity panel reveals */
.intro-intensity .intro-intensity-item {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-how.is-revealed .intro-intensity-item {
    opacity: 1;
    transform: none;
}
.intro-how.is-revealed .intro-intensity-item:nth-child(1) { transition-delay: 1.30s; }
.intro-how.is-revealed .intro-intensity-item:nth-child(2) { transition-delay: 1.45s; }
.intro-how.is-revealed .intro-intensity-item:nth-child(3) { transition-delay: 1.60s; }
.intro-how.is-revealed .intro-intensity-item:nth-child(4) { transition-delay: 1.75s; }
.intro-how.is-revealed .intro-intensity-item:nth-child(5) { transition-delay: 1.90s; }

/* THE PREMISE — lead and body text staggered */
.intro-premise .intro-premise-lead,
.intro-premise .intro-premise-text {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-premise.is-revealed .intro-premise-lead {
    opacity: 1; transform: none;
    transition-delay: 0.25s;
}
.intro-premise.is-revealed .intro-premise-text {
    opacity: 1; transform: none;
    transition-delay: 0.85s;
    transition-duration: 1.8s;
}

/* SPOTLIGHT — image then content */
.intro-spotlight .intro-spotlight-image,
.intro-spotlight .intro-spotlight-content {
    opacity: 0;
    transition: opacity 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-spotlight .intro-spotlight-image {
    transform: scale(1.04);
    transition: opacity 2.0s cubic-bezier(0.16, 1, 0.3, 1),
                transform 2.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-spotlight .intro-spotlight-content {
    transform: translateY(20px);
    transition: opacity 1.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-spotlight.is-revealed .intro-spotlight-image {
    opacity: 1;
    transform: none;
    transition-delay: 0.20s;
}
.intro-spotlight.is-revealed .intro-spotlight-content {
    opacity: 1;
    transform: none;
    transition-delay: 0.55s;
}

/* SECTION LABEL — appears first in each section, ahead of content */
.intro-section .intro-section-label {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-section.is-revealed .intro-section-label {
    opacity: 1;
    transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .intro-cast-grid--focus {
        grid-template-columns: repeat(2, 1fr);
    }
    .intro-cast-grid--universe {
        grid-template-columns: repeat(4, 1fr);
    }
    .intro-how-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .intro-spotlight-card {
        grid-template-columns: 1fr;
    }
    .intro-spotlight-image {
        min-height: 240px;
    }
    .intro-spotlight-image-fade {
        background: linear-gradient(180deg,
            rgba(10,10,20,0) 40%,
            rgba(10,10,20,0.95) 100%);
    }
    .intro-spotlight-content {
        padding: 0 28px 32px;
    }
}

@media (max-width: 540px) {
    .intro-section {
        padding-top: 56px;
        padding-bottom: 56px;
    }
    .intro-hero {
        min-height: 78vh;
    }
    .intro-hero-kicker {
        letter-spacing: 0.32em;
        font-size: 10px;
    }
    .intro-hero-title {
        font-size: 26px;
        line-height: 1.22;
    }
    .intro-section-label {
        gap: 10px;
        margin-bottom: 26px;
    }
    .intro-section-name {
        font-size: 10px;
        letter-spacing: 0.25em;
    }
    .intro-cast-grid--universe {
        grid-template-columns: repeat(3, 1fr);
    }
    .intro-how-grid {
        grid-template-columns: 1fr;
    }
    .intro-intensity {
        padding: 18px 16px;
    }
    .intro-intensity-item {
        grid-template-columns: 44px 1fr;
        gap: 14px;
        padding: 12px 0;
    }
    .intro-intensity-bars {
        width: 44px;
        height: 24px;
    }
    .intro-intensity-name {
        font-size: 13px;
    }
    .intro-intensity-desc {
        font-size: 12px;
        line-height: 1.6;
    }
    .intro-spotlight-cta {
        padding: 13px 22px;
        letter-spacing: 0.14em;
    }
    .intro-foot-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
    [data-reveal],
    .intro-hero-kicker,
    .intro-hero-title > span,
    .intro-hero-scroll,
    .intro-cast-card,
    .intro-cast-cell,
    .intro-how-card,
    .intro-intensity,
    .intro-intensity-item,
    .intro-premise-lead,
    .intro-premise-text,
    .intro-spotlight-image,
    .intro-spotlight-content,
    .intro-section-label {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .intro-cast-card--soon { opacity: 0.55 !important; }
    .intro-hero-scroll-line,
    .intro-cast-card--live::before,
    .intro-spotlight-dot {
        animation: none !important;
    }
}

/* ============================================================
   SECTION 5 — BEHIND THE SCENES (Tab-based BTS reports)
   Replaces the old Spotlight section. Same design tokens.
   ============================================================ */
.intro-bts {
    background: linear-gradient(180deg, transparent 0%, rgba(241,196,15,0.025) 100%);
}

.bts-shell {
    position: relative;
}

/* --- Tab navigation (file-folder style) --- */
.bts-tabs {
    display: flex;
    gap: 4px;
    padding: 0 0 0 4px;
    margin: 0;
    position: relative;
    z-index: 2;
}

.bts-tab {
    background: var(--intro-bg-card);
    border: 1px solid var(--intro-border-hi);
    border-bottom: none;
    color: var(--intro-text-mid);
    cursor: pointer;
    padding: 14px 28px;
    border-top-left-radius: var(--intro-radius);
    border-top-right-radius: var(--intro-radius);
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-body);
    transition: background 0.3s ease, color 0.3s ease, opacity 0.3s ease;
    position: relative;
    bottom: -1px; /* Overlap panel border (file-folder merge) */
    opacity: 0.65;
}

.bts-tab:hover {
    background: var(--intro-bg-card-hi);
    opacity: 1;
    color: #fff;
}

.bts-tab.is-active {
    background: var(--intro-bg-card-hi);
    border-color: rgba(241,196,15,0.35);
    color: var(--intro-gold);
    opacity: 1;
}

.bts-tab-num {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    font-family: var(--font-display);
}

.bts-tab-name {
    font-size: 11px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    font-weight: 500;
}

/* --- Tab panels --- */
.bts-panel {
    display: none;
    background: var(--intro-bg-card);
    border: 1px solid var(--intro-border-hi);
    border-top-left-radius: 0; /* Active tab merges into panel here */
    border-top-right-radius: var(--intro-radius-lg);
    border-bottom-left-radius: var(--intro-radius-lg);
    border-bottom-right-radius: var(--intro-radius-lg);
    overflow: hidden;
}

.bts-panel.is-active {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 32px;
    align-items: stretch;
    animation: btsFadeIn 0.4s cubic-bezier(0.16,1,0.3,1);
}

@keyframes btsFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Media (image or video) --- */
.bts-media {
    position: relative;
    background: var(--intro-bg-card-hi);
    min-height: 380px;
    overflow: hidden;
}

.bts-media img,
.bts-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Placeholder state (when image/video file is missing) */
.bts-media-empty::before {
    content: 'VISUAL LOADING...';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: var(--intro-gold);
    opacity: 0.35;
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
}

/* --- Content side --- */
.bts-content {
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bts-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--intro-coral);
    margin: 0 0 14px;
}

.bts-status--soon {
    color: var(--intro-gold);
}

.bts-status--feature {
    color: var(--intro-text-mid);
}

.bts-status-dot {
    width: 8px; height: 8px;
    background: currentColor;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(217,111,83,0.18);
    animation: introPulseDotCoral 2s ease-in-out infinite;
}

.bts-status--soon .bts-status-dot {
    box-shadow: 0 0 0 4px rgba(241,196,15,0.18);
    animation-name: btsPulseDotGold;
}

.bts-status--feature .bts-status-dot {
    box-shadow: 0 0 0 4px rgba(184,184,190,0.18);
    animation: none;
    opacity: 0.6;
}

@keyframes btsPulseDotGold {
    0%, 100% { box-shadow: 0 0 0 4px rgba(241,196,15,0.18); }
    50%      { box-shadow: 0 0 0 7px rgba(241,196,15,0.10); }
}

.bts-title {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.6vw, 26px);
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 6px;
}

.bts-desc {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 300;
    line-height: 1.75;
    color: var(--intro-text-mid);
    margin: 0 0 28px;
    max-width: 540px;
}

.bts-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    align-self: flex-start;
    padding: 14px 28px;
    background: var(--intro-gold);
    color: #1a1a20;
    text-decoration: none;
    border-radius: var(--intro-radius);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1),
                box-shadow 0.35s ease,
                background 0.35s ease;
    box-shadow: 0 4px 22px rgba(241,196,15,0.18);
}

.bts-cta:hover {
    transform: translateX(4px);
    background: #ffd72a;
    box-shadow: 0 6px 30px rgba(241,196,15,0.32);
}

.bts-cta-arrow {
    font-size: 11px;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
}

.bts-cta:hover .bts-cta-arrow {
    transform: translateX(3px);
}

.bts-cta--disabled {
    background: var(--intro-bg-card-hi);
    color: var(--intro-text-mid);
    box-shadow: none;
    cursor: default;
}

.bts-cta--disabled:hover {
    transform: none;
    box-shadow: none;
    background: var(--intro-bg-card-hi);
}

/* --- Scroll-reveal animations (consistent with other sections) --- */
.intro-bts .bts-shell {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}
.intro-bts.is-revealed .bts-shell {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile responsive --- */
@media (max-width: 900px) {
    .bts-tabs {
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .bts-tabs::-webkit-scrollbar { display: none; }
    .bts-tab {
        padding: 12px 18px;
        flex-shrink: 0;
    }
    .bts-tab-name {
        font-size: 10px;
        letter-spacing: 0.28em;
    }
    .bts-panel.is-active {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .bts-media {
        min-height: 240px;
    }
    .bts-content {
        padding: 28px;
    }
    .bts-title {
        font-size: 22px;
    }
    .bts-desc {
        max-width: 100%;
    }
}

/* ============================================================
   BTS — Automatikus kép-rotáció (slideshow a média-területen)
   A .bts-media-rotate-ban lévő képek finoman áttűnnek.
   ============================================================ */
.bts-media-rotate img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.7s ease;
}

.bts-media-rotate img.active {
    opacity: 1;
}

/* Hibás / még fel nem töltött kép kihagyása (a rotáció átugorja) */
.bts-media-rotate img.bts-img-broken {
    display: none;
}