/* ============================================
   HOME PAGE — hero, energy flow, cinematic sections
   ============================================ */

/* -- Background particle canvas -- */
#bgCanvas { position: fixed; inset: 0; z-index: -1; background: radial-gradient(circle at 50% 20%, #0f1310 0%, #050505 60%); }

/* -- Hero -- */
.hero {
    min-height: 92vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 88px;
    position: relative;
}
.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--sun-gold);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero h1 { max-width: 780px; }
.hero-sub { max-width: 560px; font-size: 1.2rem; margin-top: 22px; color: var(--text-mid); }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }

/* -- Energy flow component -- */
.energy-flow-wrap {
    margin: 60px auto 0;
    max-width: 900px;
    width: 100%;
}
.energy-flow-svg { width: 100%; height: auto; display: block; }

/* -- Parallax layers (translated via JS scroll listener, transform only) -- */
.parallax-layer { will-change: transform; }

/* -- Scene sections: each "How it works" step reads as its own scene -- */
.scene {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}
.scene-flow-step {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 24px;
    align-items: start;
    max-width: 760px;
    margin: 0 auto 56px;
}
.scene-flow-step:last-child { margin-bottom: 0; }
.scene-flow-icon {
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--mine-green-dim);
    border: 1px solid var(--mine-green);
    font-size: 1.5rem;
    color: var(--mine-green);
    flex-shrink: 0;
}
.scene-flow-step:nth-child(2) .scene-flow-icon { background: var(--sun-gold-dim); border-color: var(--sun-gold); color: var(--sun-gold); }
.scene-flow-step:nth-child(3) .scene-flow-icon { background: var(--wire-blue-dim); border-color: var(--wire-blue); color: var(--wire-blue); }
.scene-flow-connector {
    width: 2px;
    background: linear-gradient(var(--border), transparent);
    height: 40px;
    margin: 0 auto;
    grid-column: 1;
}

/* -- Stats strip with counters -- */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.stats-strip .stat-block {
    background: var(--panel);
    padding: 30px 24px;
    text-align: center;
}
.stats-strip .counter {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--mine-green);
    margin-bottom: 6px;
}
.stats-strip .stat-block-label { font-size: 0.8rem; color: var(--text-mid); letter-spacing: 1px; text-transform: uppercase; }

/* -- Day/night indicator strip -- */
.cycle-track {
    position: relative;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(90deg, #0a0d18 0%, #1a2340 15%, var(--sun-gold) 35%, var(--sun-gold) 65%, #1a2340 85%, #0a0d18 100%);
    margin: 30px 0 14px;
}
.cycle-marker {
    position: absolute; top: 50%; width: 14px; height: 14px; border-radius: 50%;
    background: var(--mine-green); border: 2px solid var(--void);
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px var(--mine-green);
}
.cycle-labels { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-low); }

/* -- Chart section (calculator) -- */
.chart-container { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 28px; height: 380px; position: relative; }
.calc-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 22px; }

/* -- Screenshot grid -- */
.screenshot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 36px; }
.screenshot-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px; cursor: pointer; transition: 0.3s var(--ease-flow); }
.screenshot-card:hover { border-color: var(--mine-green); transform: translateY(-4px); box-shadow: 0 10px 30px rgba(57,255,20,0.1); }
.screenshot-img { width: 100%; height: 190px; object-fit: cover; border-radius: 4px; display: block; }
.screenshot-caption { text-align: center; color: var(--text-mid); margin-top: 10px; font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 1px; }

.img-modal { display: none; position: fixed; inset: 0; z-index: 3000; background: rgba(0,0,0,0.92); justify-content: center; align-items: center; flex-direction: column; backdrop-filter: blur(6px); }
.img-modal.active { display: flex; }
.img-modal img { max-width: 90%; max-height: 82%; border: 2px solid var(--mine-green); border-radius: 6px; }
.img-modal .close-modal { position: absolute; top: 22px; right: 30px; color: var(--text-hi); font-size: 2.2rem; cursor: pointer; }
.img-modal .close-modal:hover { color: var(--mine-green); }

/* -- FAQ -- */
details.faq-item { border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 16px; }
details.faq-item summary { cursor: pointer; font-weight: 600; color: var(--text-hi); font-size: 1.08rem; list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::before { content: '+'; color: var(--mine-green); font-family: var(--font-display); margin-right: 12px; }
details.faq-item[open] summary::before { content: '−'; }
details.faq-item p { margin-top: 12px; padding-left: 24px; }

@media (max-width: 768px) {
    .scene-flow-step { grid-template-columns: 56px 1fr; }
    .scene-flow-icon { width: 48px; height: 48px; font-size: 1.1rem; }
    .calc-controls { grid-template-columns: 1fr; }
}