/* Hero enhancement; the original HTML remains the primary experience. */
.hero-v2 {
    overflow: clip;
    background: var(--color-background);
    scroll-margin-top: 72px;
}
.hero-v2::before { display: none; }
.hero-stage {
    position: relative;
    background: radial-gradient(ellipse at 75% 65%, rgba(22,184,230,.055), transparent 55%), var(--color-background);
}
.hero-grid-v2 {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: center;
    gap: clamp(40px, 9vw, 140px);
    min-height: 0;
    padding-block: 44px 8px;
}
.hero-copy-v2 h1 { font-size: clamp(3.5rem, 5.8vw, 5.25rem); }
.hero-lead-v2 { max-width: 680px; }
.hero-identity-v2 { font-size: .875rem; }
.title-rule-v2 { background: var(--color-hardware); margin-block: 20px; }
.hero-actions-v2 { margin-top: 22px; }
.pillars-v2 { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 22px; gap: 12px; }
.pillars-v2 article { padding-top: 11px; align-items: start; }
.pillar-mark-v2 { color: var(--color-hardware); }
.hero-portrait-v2 { --hero-portrait-offset: 0px; width: 260px; }
.portrait-frame-v2 { border-radius: 4px; background: var(--color-surface); }
.hero-portrait-v2 figcaption { color: var(--color-muted); font-size: .8125rem; }
.hero-world { position: relative; height: clamp(260px, 33svh, 360px); margin-top: -8px; pointer-events: none; }
.hero-canvas, .hero-static { position: absolute; inset: 0; }
.hero-canvas { opacity: 0; }
.hero-canvas canvas { display: block; width: 100%; height: 100%; }
.hero-static {
    display: flex; align-items: center; justify-content: center;
    gap: clamp(12px, 3vw, 44px); padding: 32px;
    background: radial-gradient(ellipse at 30% 70%, rgba(245,158,66,.06), transparent 35%), radial-gradient(ellipse at 75% 40%, rgba(22,184,230,.08), transparent 45%);
}
.hero-static span { color: var(--color-muted); font-size: .875rem; }
.hero-static span:first-child { color: var(--color-hardware); }
.hero-static span:last-child { color: var(--color-accent-dark); }
.hero-static i { width: 50px; height: 1px; background: var(--color-border-strong); }
.hero-labels { position: absolute; inset: 0; display: none; }
.hero-labels span {
    position: absolute; left: 0; top: 0;
    padding: 5px 8px; border-left: 1px solid var(--color-border-strong);
    color: var(--color-muted); background: rgba(7,17,31,.82);
    font-size: .75rem; letter-spacing: .045em; white-space: nowrap;
    transition: color 160ms ease, border-color 160ms ease;
}
.hero-labels span::after {
    content: ''; position: absolute; top: 100%; left: calc(50% + var(--guide-x, 0px));
    height: 12px; width: 1px; background: currentColor; opacity: .45;
}
.hero-labels span.is-below::after { top: auto; bottom: 100%; }
.hero-labels span.is-complete { border-color: var(--color-accent); }
.hero-labels span.is-complete:nth-child(-n+2) { border-color: var(--color-hardware); }
.hero-labels span.is-active { color: var(--color-accent-dark); border-color: var(--color-accent); }
.hero-labels span.is-active:nth-child(-n+2) { color: var(--color-hardware); border-color: var(--color-hardware); }
.hero-v2.has-scene .hero-canvas { opacity: 1; }
.hero-v2.has-scene .hero-static { visibility: hidden; }
.hero-v2.has-scene .hero-labels { display: block; }
.hero-journey { --journey-progress: 1; position: relative; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 8px 22px; }
.hero-journey p { margin: 0; font-size: .875rem; font-weight: 600; letter-spacing: .07em; }
.hero-journey p > span + span { margin-left: 10px; }
.hero-journey p > span:nth-child(2) { display: inline-block; color: var(--color-accent-dark); opacity: calc(.6 + var(--journey-progress) * .4); transform: scaleX(calc(.75 + var(--journey-progress) * .25)); transform-origin: left; }
.physical-label { color: var(--color-hardware); }
.digital-label { color: var(--color-accent-dark); }
.hero-journey a { display: inline-flex; gap: 18px; align-items: center; min-height: 44px; text-decoration: none; font-size: .8125rem; color: var(--color-muted) !important; }
.hero-journey a:hover { color: var(--color-text) !important; }
.journey-progress { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--color-border); }
.journey-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--color-hardware), var(--color-accent) 60%); transform: scaleX(0); transform-origin: left; }
.journey-scroll { display: none; }
.hero-v2.has-travel .journey-scroll { display: inline; }
.hero-v2.has-travel .journey-static { display: none; }
.projects-section { position: relative; background: var(--color-background); }
.projects-section::before { content: ''; position: absolute; top: 0; left: 50%; width: min(60%, 720px); height: 1px; transform: translateX(-50%); background: linear-gradient(90deg, transparent, var(--color-accent), transparent); opacity: calc(.25 + var(--journey-complete, 1) * .35); }
@media (min-width: 901px) {
    /* Reserve the first viewport before lazy enhancement to avoid moving a
       visible projects heading when the scroll range becomes available. */
    .hero-stage { min-height: calc(100svh - 72px); display: flex; flex-direction: column; }
    .hero-world { flex-grow: 1; }
}
@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
    .hero-v2.has-travel { height: calc(var(--stage-height) + 90svh); }
    .hero-v2.has-travel .hero-stage { position: sticky; top: min(72px, calc(100svh - var(--stage-height))); }
}
@media (min-width: 901px) and (max-height: 800px) {
    .hero-grid-v2 { padding-top: 28px; grid-template-columns: minmax(0, 1fr) 220px; }
    .hero-portrait-v2 { width: 220px; }
    .hero-world { height: 260px; }
}
@media (max-width: 1100px) and (min-width: 901px) {
    .hero-grid-v2 { gap: 36px; grid-template-columns: minmax(0, 1fr) 200px; }
    .hero-portrait-v2 { width: 200px; }
    .pillars-v2 article { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 900px) {
    .hero-grid-v2 { grid-template-columns: minmax(0, 1fr) 170px; gap: 24px; padding-block: 38px 12px; }
    .hero-copy-v2 h1 { white-space: normal; font-size: clamp(2.75rem, 6.5vw, 4rem); }
    .hero-portrait-v2 { width: 170px; align-self: start; margin-top: 40px; }
    .pillars-v2 { grid-template-columns: 1fr; }
    .hero-world { height: 300px; margin-top: 0; }
    .hero-static { gap: 12px; }
    .hero-static i { width: 20px; }
}
@media (max-width: 600px) {
    .hero-grid-v2 { grid-template-columns: 1fr; gap: 24px; padding-top: 34px; }
    .hero-copy-v2 h1 { font-size: clamp(2.8rem, 12vw, 4rem); }
    .hero-actions-v2 { display: flex; }
    .hero-actions-v2 .button-v2 { flex: 1 1 auto; width: auto; padding-inline: 16px; }
    .hero-portrait-v2 { display: flex; align-items: center; width: 100%; gap: 16px; margin: 0; }
    .portrait-frame-v2 { flex: 0 0 76px; }
    .hero-portrait-v2 figcaption { margin: 0; max-width: 230px; text-align: left; }
    .hero-world { height: 340px; }
    .hero-labels span { font-size: .6875rem; letter-spacing: .015em; padding-inline: 5px; }
    .hero-journey { align-items: start; flex-direction: column; gap: 4px; }
    .hero-static { flex-wrap: wrap; align-content: center; }
    .hero-static span { font-size: .8125rem; }
}
@media (prefers-reduced-motion: reduce) {
    .hero-v2.has-travel { height: auto; }
    .hero-stage { position: relative; }
    .hero-v2.has-travel .journey-scroll { display: none; }
    .hero-v2.has-travel .journey-static { display: inline; }
    .hero-labels span { transition: none; }
}