/* ============================================================
   Armor Hub v2 - Cinematic cover (intro experience)
   ============================================================ */

/* --- Preloader --- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.4rem;
    background: var(--stone-950);
    text-align: center;
    padding: var(--gutter);
    transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}
body.loaded .preloader { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader__mark {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    font-size: 0.74rem;
    color: var(--text-muted);
}
.preloader__counter {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(4rem, 16vw, 9rem);
    line-height: 1;
    color: var(--paper);
}
.preloader__counter sup { font-size: 0.28em; color: var(--gold-glow); vertical-align: super; }
.preloader__bar {
    width: min(340px, 70vw);
    height: 2px;
    background: rgba(250, 250, 249, 0.1);
    overflow: hidden;
    border-radius: var(--r-pill);
}
.preloader__bar span {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), var(--gold-glow));
    transition: width 0.2s linear;
}
.preloader__status {
    font-size: 0.72rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-dim);
    min-height: 1.2em;
}
.preloader__enter {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    color: var(--gold-glow);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.preloader__enter.show { opacity: 1; transform: none; cursor: pointer; }
.preloader__enter .dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--gold-glow);
    margin-right: 0.5rem;
    box-shadow: 0 0 12px var(--gold-glow);
    animation: pulse 1.6s var(--ease-fluid) infinite;
}

/* --- Scroll progress + chapter dots --- */
.scroll-progress {
    position: fixed; top: 0; left: 0;
    height: 2px; width: 0%;
    background: linear-gradient(90deg, var(--gold), var(--gold-glow));
    z-index: 900;
    box-shadow: 0 0 12px rgba(234, 179, 8, 0.6);
}
.chapter-dots {
    position: fixed;
    right: clamp(0.8rem, 2.5vw, 2rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 850;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.chapter-dots a {
    width: 11px; height: 11px;
    border-radius: 50%;
    border: 1px solid var(--stone-600);
    transition: all var(--t-med) var(--ease-out);
    position: relative;
}
.chapter-dots a::after {
    content: attr(data-label);
    position: absolute;
    right: 22px; top: 50%;
    transform: translateY(-50%);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold-glow);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--t-fast);
    pointer-events: none;
}
.chapter-dots a:hover::after { opacity: 1; }
.chapter-dots a.active {
    background: var(--gold-glow);
    border-color: var(--gold-glow);
    box-shadow: 0 0 12px var(--gold-glow);
    transform: scale(1.25);
}

/* --- Cover topbar --- */
.cover-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-h);
    z-index: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-inline: var(--gutter);
    transition: background var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med);
    border-bottom: 1px solid transparent;
}
.cover-topbar.solid {
    background: rgba(12, 10, 9, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--hairline);
}
.cover-topbar__brand {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.86rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.cover-topbar__brand .tag { color: var(--gold-glow); }
.cover-topbar__actions { display: flex; align-items: center; gap: 0.8rem; }

.audio-toggle {
    width: 40px; height: 40px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--glass-border-soft);
    background: var(--glass);
    color: var(--text-muted);
    transition: all var(--t-fast) var(--ease-out);
}
.audio-toggle:hover { color: var(--gold-glow); border-color: var(--gold); }
.audio-toggle .bars { display: flex; align-items: flex-end; gap: 2px; height: 14px; }
.audio-toggle .bars i {
    width: 2px;
    background: currentColor;
    height: 40%;
    animation: eq 1s ease-in-out infinite;
}
.audio-toggle .bars i:nth-child(2) { animation-delay: 0.2s; }
.audio-toggle .bars i:nth-child(3) { animation-delay: 0.4s; }
.audio-toggle .bars i:nth-child(4) { animation-delay: 0.1s; }
.audio-toggle.muted .bars i { animation-play-state: paused; height: 30%; }

/* --- Chapter scaffold --- */
.chapter {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-block: clamp(5rem, 12vh, 9rem);
    overflow: hidden;
}

/* --- Hero --- */
.hero { text-align: center; }
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(60% 50% at 50% 38%, rgba(234, 179, 8, 0.16), transparent 70%),
        radial-gradient(80% 60% at 50% 120%, rgba(12, 10, 9, 0.9), transparent);
}
.hero__kicker {
    font-family: var(--font-display);
    letter-spacing: 0.42em;
    text-transform: uppercase;
    font-size: clamp(0.7rem, 1.4vw, 0.92rem);
    color: var(--gold-glow);
    margin-bottom: 1.4rem;
}
.hero__title {
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(3.4rem, 16vw, 11rem);
    line-height: 0.86;
    letter-spacing: 0.02em;
}
.hero__title .line { display: block; }
.hero__title .ch { display: inline-block; opacity: 0; transform: translateY(0.5em) rotateX(-40deg); animation: chIn 0.7s var(--ease-out) forwards; }
.hero__title .ch.accent { color: var(--gold-glow); text-shadow: 0 0 40px rgba(234, 179, 8, 0.5); }
.hero__sub {
    margin: 1.8rem auto 0;
    max-width: 52ch;
    font-size: clamp(1rem, 1.6vw, 1.3rem);
    color: var(--text-muted);
}
.hero__meta {
    margin-top: 2.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    justify-content: center;
}
.hero__meta span {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--glass-border-soft);
    border-radius: var(--r-pill);
    padding: 0.45rem 1rem;
    background: var(--glass);
    backdrop-filter: blur(6px);
}
.hero__cta { margin-top: 2.6rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.scroll-cue {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.62rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.scroll-cue .mouse {
    width: 22px; height: 36px;
    border: 1.5px solid var(--stone-600);
    border-radius: var(--r-pill);
    position: relative;
}
.scroll-cue .mouse::after {
    content: "";
    position: absolute;
    top: 7px; left: 50%;
    transform: translateX(-50%);
    width: 3px; height: 7px;
    background: var(--gold-glow);
    border-radius: var(--r-pill);
    animation: wheel 1.6s var(--ease-fluid) infinite;
}

/* --- Story chapters --- */
.story .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.story--rev .story__media { order: -1; }
.story__index {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(3rem, 8vw, 6rem);
    color: transparent;
    -webkit-text-stroke: 1px rgba(234, 179, 8, 0.35);
    line-height: 1;
}
.story__title { font-size: clamp(2rem, 4.5vw, 3.4rem); margin: 0.6rem 0 1.2rem; }
.story__media {
    position: relative;
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--stone-850), var(--stone-900));
}
.story__media::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(80% 70% at 50% 28%, rgba(202, 138, 4, 0.14), transparent 70%);
    z-index: 1;
    pointer-events: none;
}
.story__media-floor {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(234, 179, 8, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(234, 179, 8, 0.09) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(70% 60% at 50% 72%, #000, transparent 82%);
    -webkit-mask-image: radial-gradient(70% 60% at 50% 72%, #000, transparent 82%);
    z-index: 0;
}
.story__media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10%;
    filter: drop-shadow(0 20px 28px rgba(0, 0, 0, 0.55));
    z-index: 2;
}
.story__tag {
    position: absolute;
    bottom: 0.85rem;
    left: 0.85rem;
    z-index: 3;
    font-family: var(--font-display);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold-glow);
    background: var(--glass-strong);
    border: 1px solid var(--glass-border-soft);
    border-radius: var(--r-pill);
    padding: 0.35rem 0.75rem;
    backdrop-filter: blur(8px);
}
.story__media::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(12, 10, 9, 0.62));
    z-index: 2;
    pointer-events: none;
}
.story__points { margin-top: 1.4rem; display: grid; gap: 0.8rem; }
.story__points li { display: flex; gap: 0.7rem; color: var(--text-muted); }
.story__points li::before { content: "▸"; color: var(--gold-glow); }

/* --- Marquee --- */
.marquee {
    overflow: hidden;
    border-block: 1px solid var(--hairline);
    padding-block: 1.4rem;
    background: rgba(12, 10, 9, 0.5);
}
.marquee__track {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    width: max-content;
    animation: marquee 28s linear infinite;
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    color: transparent;
    -webkit-text-stroke: 1px rgba(168, 162, 158, 0.35);
}
.marquee__track .hot { color: var(--gold-glow); -webkit-text-stroke: 0; }

/* --- Stats --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    text-align: center;
}
.stat__num {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1;
}
.stat__label { margin-top: 0.6rem; color: var(--text-muted); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }

/* --- Climax CTA --- */
.climax { text-align: center; }
.climax__title { font-size: clamp(2.6rem, 8vw, 6rem); }
.climax .lead { margin-inline: auto; margin-top: 1.2rem; }

/* --- Cover footer --- */
.cover-foot {
    border-top: 1px solid var(--hairline);
    padding-block: 2.5rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.78rem;
}

/* --- Keyframes --- */
@keyframes chIn { to { opacity: 1; transform: none; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes eq { 0%, 100% { height: 40%; } 50% { height: 100%; } }
@keyframes wheel { 0% { opacity: 1; transform: translate(-50%, 0); } 100% { opacity: 0; transform: translate(-50%, 12px); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 860px) {
    .story .wrap { grid-template-columns: 1fr; }
    .story--rev .story__media { order: 0; }
    .chapter-dots { display: none; }
}

/* --- Scroll snap — lock to each section (page-by-page) --- */
@media (min-width: 768px) and (min-height: 640px) {
    html:has(.cover-page) {
        scroll-snap-type: y mandatory;
        scroll-behavior: auto;
        scroll-padding-top: var(--topbar-h);
    }
    .cover-page .chapter,
    .cover-page .marquee {
        scroll-snap-align: start;
    }
    .cover-page .chapter {
        scroll-snap-stop: always;
    }
    .cover-page .cover-foot {
        scroll-snap-align: end;
    }
}

@media (prefers-reduced-motion: reduce) {
    html:has(.cover-page) { scroll-snap-type: none; }
}