/* Home page specific styles. Loaded in addition to site.css. */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 30%, #16130a 0%, #0a0a0b 60%);
    border-bottom: 1px solid var(--line);
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: opacity 1.4s ease;
}
#heroCanvas.loaded { opacity: 1; }

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-text .eyebrow { color: var(--gold-light); }
.hero-text h1 {
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.05;
    margin: 10px 0 20px;
    letter-spacing: 0.5px;
}
.hero-text h1 span { color: var(--gold-light); }
.hero-text p { color: #c7c7cc; max-width: 480px; margin-bottom: 32px; font-size: 16px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-product {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 340px;
    grid-column: 1 / -1;
}
img.hero-banner-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: none;
    z-index: 1;
    opacity: 1; 
    object-position: right bottom;
    animation: hero-float 6s ease-in-out infinite;
}
@keyframes hero-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-18px); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-product img { animation: none; }
}

.scroll-cue {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #7c7c80;
}

/* ---------- Formula highlight cards ---------- */
.formula-section {
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 25% 20%, rgba(201,162,75,0.09), transparent 55%), var(--near-black);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.formula-bg-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.6s ease;
    pointer-events: none;
}
.formula-bg-canvas.loaded { opacity: 0.16; }
.formula-section .container { position: relative; z-index: 1; }
.formula-grid { 
    display: flex; 
    overflow-x: auto; 
    scroll-snap-type: x mandatory; 
    gap: 24px; 
    padding-bottom: 8px; 
    -webkit-overflow-scrolling: touch; 
}
.formula-grid .formula-card {
    scroll-snap-align: start;
    flex: 0 0 280px;
}
.formula-card {
    background: rgba(19,19,21,0.78);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid var(--line);
    border-top: 2px solid var(--gold-dim);
    border-radius: var(--radius);
    padding: 28px;
}
.formula-card .icon {
    width: 46px; height: 46px; border-radius: 50%;
    border: 1px solid var(--gold-dim);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold-light); font-size: 20px; margin-bottom: 18px;
}
.formula-card h3 { font-size: 16px; margin: 0 0 10px; }
.formula-card p { color: var(--grey); font-size: 14px; margin: 0; }

/* ---------- Gold system / molecular performance ---------- */
.system-section { background: rgba(19,19,21,0.55); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.system-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
@media (max-width: 900px) { .system-grid { grid-template-columns: 1fr; } }
.molecule-visual {
    aspect-ratio: 1/1;
    border-radius: var(--radius);
    background: radial-gradient(circle at 40% 30%, rgba(201,162,75,0.12), transparent 60%), var(--black);
    border: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}
#systemCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.2s ease; }
#systemCanvas.loaded { opacity: 1; }

/* ---------- Transparency lab CTA ---------- */
.lab-cta {
    background: linear-gradient(135deg, #171308, #0a0a0b);
    border: 1px solid var(--gold-dim);
    border-radius: var(--radius);
    padding: 50px;
    text-align: center;
}
.lab-cta h2 { margin-bottom: 12px; }
.lab-cta p { color: var(--grey); max-width: 520px; margin: 0 auto 26px; }

/* ---------- Feature banner (photo + copy + CTAs) ---------- */
.feature-banner-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(10,10,11,0.35); }
.feature-banner { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.feature-banner-photo { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); border-top: 2px solid var(--gold); aspect-ratio: 4/5; background: var(--near-black); }
.feature-banner-photo img { width: 100%; height: 100%; object-fit: contain; object-position: center; filter: saturate(0.92) contrast(1.05); }
.feature-banner-photo .caption {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 24px;
    background: linear-gradient(180deg, rgba(10,10,11,0) 40%, rgba(10,10,11,0.9) 100%);
}
.feature-banner-photo .caption .eyebrow { margin-bottom: 6px; }
.feature-banner-photo .caption strong { display: block; font-size: 19px; color: var(--white); }
.feature-banner-callouts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 26px 0 30px; }
.feature-callout { background: rgba(19,19,21,0.7); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.feature-callout h4 { font-size: 14px; margin: 0 0 6px; color: var(--gold-light); }
.feature-callout p { font-size: 13px; color: var(--grey); margin: 0; }
.feature-banner-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 900px) {
    .feature-banner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 580px) {
    .feature-banner-callouts { grid-template-columns: 1fr; }
}

/* ---------- Built For The Stage (athlete showcase) ---------- */
.athlete-section { background: rgba(10,10,11,0.35); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.athlete-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 18px;
    margin-bottom: 20px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
}
.athlete-card {
    position: relative;
    aspect-ratio: 1/1;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    border-top: 2px solid var(--gold);
    scroll-snap-align: start;
    flex: 0 0 calc(25% - 13.5px);
}
.athlete-card img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease, filter .5s ease;
    filter: saturate(0.92) contrast(1.05);
}
.athlete-card:hover img { transform: scale(1.05); filter: saturate(1.05) contrast(1.08); }
.athlete-card::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,10,11,0) 55%, rgba(10,10,11,0.85) 100%);
    pointer-events: none;
}
.athlete-card-label {
    position: absolute; left: 14px; bottom: 12px; right: 14px; z-index: 2;
    display: flex; align-items: baseline; gap: 8px;
}
.athlete-card-number {
    font-size: 11px; letter-spacing: 2px; color: var(--gold-dim); font-weight: 700;
}
.athlete-card-tag {
    font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--gold-light); font-weight: 600;
}
@media (max-width: 820px) { .athlete-card { flex-basis: calc(50% - 7px); } .athlete-grid { gap: 14px; } }
@media (max-width: 480px) { .athlete-card { flex-basis: 78%; } }

.training-stages { margin-top: 60px; padding-top: 50px; border-top: 1px solid var(--line); }
.stages-title { font-size: 22px; margin: 6px 0 30px; max-width: 560px; }
.stages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 30px; }
.stage-card { background: rgba(19,19,21,0.7); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stage-number { display: block; font-size: 13px; color: var(--gold-dim); letter-spacing: 2px; margin-bottom: 10px; }
.stage-card h4 { font-size: 16px; margin: 0 0 10px; color: var(--gold-light); }
.stage-card p { font-size: 14px; color: var(--grey); margin: 0; line-height: 1.6; }
@media (max-width: 820px) { .stages-grid { grid-template-columns: 1fr; gap: 16px; } }