.trx-inst { padding-block: clamp(var(--space-8), 10vw, var(--space-10)); background: var(--bg-base); }

/* ── Head ─────────────────────────────────────────────────────────── */
.trx-inst__head { margin-bottom: var(--space-7); padding-bottom: var(--space-5); border-bottom: 1px solid var(--line); }
.trx-inst__head-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--space-6); align-items: end; margin-top: var(--space-4); }
@media (max-width: 880px) { .trx-inst__head-grid { grid-template-columns: 1fr; gap: var(--space-3); } }
.trx-inst__title { font-family: var(--font-display); font-size: clamp(1.9rem, 3.8vw, 2.7rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0; max-width: 28ch; }
.trx-inst__lede { font-size: var(--fs-300); color: var(--ink-muted); margin: 0; line-height: 1.55; max-width: 52ch; }

/* ── Hero: image + facts ──────────────────────────────────────────── */
.trx-inst__hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(var(--space-5), 3vw, var(--space-7)); align-items: stretch; margin-bottom: var(--space-8); }
@media (max-width: 960px) { .trx-inst__hero { grid-template-columns: 1fr; gap: var(--space-5); } }

.trx-inst__hero-media { position: relative; margin: 0; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 3/2; background: var(--secondary-soft); box-shadow: 0 24px 60px rgba(10,26,47,0.1); }
.trx-inst__hero-media img { width: 100%; height: 100%; object-fit: cover; }
.trx-inst__hero-pin { position: absolute; top: 48%; left: 42%; pointer-events: none; }
.trx-inst__hero-pin-dot { display: block; width: 14px; height: 14px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 4px rgba(232,117,26,0.3), 0 0 0 12px rgba(232,117,26,0.16); position: relative; z-index: 2; animation: trx-inst-pulse 2.4s var(--ease-in-out) infinite; }
@keyframes trx-inst-pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(0.85); } }
@media (prefers-reduced-motion: reduce) { .trx-inst__hero-pin-dot { animation: none; } }
.trx-inst__hero-pin-line { position: absolute; left: 18px; top: 7px; width: 60px; height: 1px; background: var(--accent); }
.trx-inst__hero-pin-label { position: absolute; left: 84px; top: -8px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-primary); background: var(--bg-base); border: 1px solid var(--accent); padding: 4px 10px; border-radius: var(--radius-sm); white-space: nowrap; }
@media (max-width: 540px) { .trx-inst__hero-pin-label { font-size: 9px; padding: 3px 8px; left: 72px; } }
.trx-inst__hero-stamp { position: absolute; bottom: var(--space-4); left: var(--space-4); padding: 6px 12px; background: rgba(10,26,47,0.78); backdrop-filter: blur(8px); color: var(--bg-base); font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.12em; text-transform: uppercase; border-radius: var(--radius-pill); }

.trx-inst__facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin: 0; }
@media (max-width: 540px) { .trx-inst__facts { grid-template-columns: 1fr; } }
.trx-inst__fact { padding: var(--space-4); background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-md); display: flex; flex-direction: column; gap: 4px; position: relative; opacity: 0; transform: translateY(12px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out), border-color var(--dur-base); transition-delay: calc(var(--i, 0) * 60ms); }
.trx-inst__fact.is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .trx-inst__fact { opacity: 1; transform: none; transition: border-color var(--dur-base); } }
.trx-inst__fact::before { content: ''; position: absolute; left: 0; top: 0; width: 24px; height: 2px; background: var(--accent); }
.trx-inst__fact:hover { border-color: var(--accent); }
.trx-inst__fact dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-muted); margin: 0; }
.trx-inst__fact dd { margin: 0; display: flex; flex-direction: column; gap: 2px; }
.trx-inst__fact-value { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1; color: var(--brand-primary); letter-spacing: -0.025em; }
.trx-inst__fact-sub { font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.06em; color: var(--ink-muted); }

/* ── Plan: zones ──────────────────────────────────────────────────── */
.trx-inst__plan-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); padding-bottom: var(--space-3); border-bottom: 1px dashed var(--line-strong); flex-wrap: wrap; }
.trx-inst__plan-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.3rem, 2vw, 1.6rem); line-height: 1.2; margin: 0; color: var(--ink-primary); }
.trx-inst__plan-sub { font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.06em; color: var(--ink-muted); margin: 0; }

.trx-inst__zones { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); margin-bottom: var(--space-7); }
@media (max-width: 720px) { .trx-inst__zones { grid-template-columns: 1fr; } }
.trx-inst__zone { padding: var(--space-5); background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-md); display: flex; flex-direction: column; gap: var(--space-3); position: relative; scroll-margin-top: 96px; opacity: 0; transform: translateY(14px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out), border-color var(--dur-base); transition-delay: calc(var(--i, 0) * 80ms); }
.trx-inst__zone.is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .trx-inst__zone { opacity: 1; transform: none; transition: border-color var(--dur-base); } }
.trx-inst__zone:hover { border-color: var(--accent); }
.trx-inst__zone::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform var(--dur-base) var(--ease-out); }
.trx-inst__zone:hover::before { transform: scaleY(1); }

.trx-inst__zone-head { display: grid; grid-template-columns: auto 1fr; gap: var(--space-3); align-items: baseline; padding-bottom: var(--space-3); border-bottom: 1px dashed var(--line); }
.trx-inst__zone-num { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 3.6vw, 2.6rem); line-height: 0.9; color: var(--accent); letter-spacing: -0.04em; }
.trx-inst__zone-title { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.2rem, 1.8vw, 1.4rem); line-height: 1.15; letter-spacing: -0.01em; margin: 0; color: var(--ink-primary); }
.trx-inst__zone-m2 { display: inline-block; margin-top: 4px; font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.12em; color: var(--accent); padding: 2px 8px; border: 1px solid var(--accent); border-radius: var(--radius-pill); line-height: 1.4; }

.trx-inst__zone-items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: var(--fs-200); }
.trx-inst__zone-items li { padding-left: var(--space-4); position: relative; line-height: 1.5; color: var(--ink-primary); }
.trx-inst__zone-items li::before { content: '·'; position: absolute; left: 4px; top: 0; color: var(--accent); font-family: var(--font-display); font-size: var(--fs-500); line-height: 1; }

.trx-inst__zone-note { font-size: var(--fs-200); line-height: 1.5; color: var(--ink-muted); margin: 0; padding-top: var(--space-3); border-top: 1px dashed var(--line); display: flex; align-items: flex-start; gap: 6px; }
.trx-inst__zone-note > span:first-child { color: var(--accent); font-family: var(--font-display); font-style: italic; flex-shrink: 0; }

/* ── Visit ────────────────────────────────────────────────────────── */
.trx-inst__visit { display: grid; grid-template-columns: 1fr auto; gap: var(--space-6); align-items: center; padding: var(--space-6); background: var(--brand-primary); color: var(--bg-base); border-radius: var(--radius-md); position: relative; overflow: hidden; }
.trx-inst__visit::after { content: ''; position: absolute; right: -40px; bottom: -40px; width: 180px; height: 180px; border-radius: 999px; background: radial-gradient(closest-side, rgba(232,117,26,0.32), transparent 70%); pointer-events: none; }
.trx-inst__visit-body { position: relative; }
.trx-inst__visit-title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.4rem, 2.4vw, 1.85rem); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 var(--space-3); color: var(--bg-base); }
.trx-inst__visit-copy { font-size: var(--fs-300); line-height: 1.6; color: rgba(245,241,234,0.82); margin: 0; max-width: 56ch; }
.trx-inst__visit-cta { position: relative; padding: 14px 22px; font-size: var(--fs-300); white-space: nowrap; }
.trx-inst__visit-cta .trx-btn__arrow { display: inline-block; transition: transform var(--dur-fast) var(--ease-out); }
.trx-inst__visit-cta:hover .trx-btn__arrow { transform: translateX(3px); }
@media (max-width: 720px) { .trx-inst__visit { grid-template-columns: 1fr; gap: var(--space-4); } }