/* ===== codeart — sketchbook style: landing =====
   Swapped in for css/landing.css when the sketchbook style is on. */
body { overflow-x: hidden; }
.muted { color: var(--text-muted); }
em { font-style: normal; }

.nav { position: sticky; top: 0; z-index: var(--z-header); display: flex; align-items: center; gap: 28px; height: 68px; padding: 0 max(20px, calc((100vw - 1200px) / 2)); background: var(--paper); border-bottom: var(--b) solid var(--ink); }
.nav-links { display: flex; gap: 6px; }
.nav-links a { display: inline-flex; align-items: baseline; gap: 0.35rem; padding: 0.35rem 0.65rem; border: var(--b) solid transparent; border-radius: 6px; text-decoration: none; font: 700 0.82rem var(--font-mono); text-transform: lowercase; color: var(--ink); transition: background 0.15s, color 0.15s, transform 0.15s, box-shadow 0.15s; }
.nav-links a:hover { color: var(--paper); background: var(--ink); border-color: var(--ink); transform: translate(-1px, -1px); box-shadow: 2px 2px 0 0 var(--neon); }
.nav-links a::before { content: attr(data-num); font-size: 0.62rem; color: var(--neon); }
.nav-links a:hover::before { color: var(--paper); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

section { padding: 0 max(20px, calc((100vw - 1200px) / 2)); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px; font: 700 0.8rem var(--font-mono); letter-spacing: 0.15em; text-transform: lowercase; color: var(--neon); }
.eyebrow[data-num]::before { content: attr(data-num) ' ·'; }
.eyebrow .dot { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--ink); background: var(--neon); animation: blink 2.4s steps(1) infinite; }
@keyframes blink { 50% { background: var(--hi); } }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: 56px; min-height: calc(100vh - 68px); padding-top: 40px; padding-bottom: 64px; }
.hero h1 { margin: 0 0 24px; font-family: var(--font-display); font-weight: 400; font-size: clamp(2.6rem, 6vw, 5.4rem); line-height: 0.98; letter-spacing: 0.005em; }
.hero h1 em { display: inline-block; color: var(--neon); text-shadow: 0 0 4px rgba(255, 46, 99, 0.6), 0 0 12px rgba(255, 46, 99, 0.35); animation: flickerNeon 4s infinite; }
@keyframes flickerNeon {
    0%, 19%, 22%, 62%, 64%, 100% { opacity: 1; }
    20%, 21% { opacity: 0.35; }
    63% { opacity: 0.55; }
    79% { opacity: 0.25; }
    80% { opacity: 1; }
}
.lede { margin: 0 0 32px; max-width: 480px; font-size: clamp(1.02rem, 1.4vw, 1.2rem); line-height: 1.55; color: var(--ink-soft); }
.lede code { font-size: 0.85em; color: var(--ink); background: var(--hi); padding: 0 0.3rem; border-radius: 3px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 32px; margin: 0; padding-top: 22px; border-top: var(--b) dashed var(--ink); max-width: 480px; }
.hero-stats div { margin: 0; }
.hero-stats dt { font: 400 1.6rem var(--font-display); }
.hero-stats dd { margin: 4px 0 0; font: 700 0.72rem var(--font-mono); text-transform: lowercase; color: var(--text-muted); }

.hero-demo { margin: 0; height: min(640px, 72vh); min-height: 460px; overflow: hidden; }
.hero-demo.ink-panel:hover { transform: none; }
.demo-stage { position: absolute; inset: 0; border-radius: calc(var(--r) - var(--b)); overflow: hidden; }
.demo-stage canvas { display: block; width: 100% !important; height: 100% !important; }
.glass { background: var(--paper); border: var(--b) solid var(--ink); box-shadow: var(--shadow-sm); }
.demo-code { position: absolute; left: 16px; top: 16px; width: min(372px, calc(100% - 32px)); border-radius: 12px; overflow: hidden; }
.demo-code-head { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-bottom: var(--b) solid var(--ink); background: var(--paper-2); }
.demo-code-head i { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--ink); background: var(--paper); }
.demo-code-head i:nth-child(1) { background: var(--neon); }
.demo-code-head i:nth-child(2) { background: var(--hi); }
.demo-code-head span { margin-left: 6px; font: 700 0.72rem var(--font-mono); text-transform: lowercase; }
#heroCode { margin: 0; padding: 8px 0; font-size: 11.5px; line-height: 19px; overflow: hidden; }
#heroCode .ln { display: block; padding: 0 14px; white-space: pre; transition: background 0.25s; }
#heroCode .ln.on { background: var(--hi-soft); box-shadow: inset 4px 0 0 var(--neon); }
#heroCode .ln b { display: inline-block; width: 18px; color: var(--text-muted); font-weight: 400; }
.demo-decode { position: absolute; right: 16px; bottom: 16px; left: 16px; max-width: 440px; margin-left: auto; padding: 10px 14px; border-radius: 12px; font-size: 13px; }
.stage-label { display: block; font: 700 0.62rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--neon); margin-bottom: 3px; }
#heroDecode { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op { display: inline-block; min-width: 52px; margin-right: 6px; padding: 0 5px; border: 1.5px solid var(--ink); border-radius: 4px; font: 700 10px/1.6 var(--font-mono); text-align: center; color: var(--on-colour); background: var(--paper-3); }
.op-SWAP, .op-TEST { background: var(--t-fn); }
.op-NEXT, .op-APPEND { background: #bfe8c9; }
.op-UPDATE, .op-WRITE { background: var(--hi); }
.op-STORE, .op-DEFINE { background: #cfdcff; }
.op-EXIT { background: var(--neon); color: #fff; }

/* sections */
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head h2 { margin: 0 0 16px; font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4vw, 3.4rem); line-height: 1; }
.section-head p:not(.eyebrow) { margin: 0; font-size: 1.05rem; color: var(--ink-soft); }
.how, .solutions, .tracks { padding-top: 120px; }

.cycle { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.75rem); }
.cycle li { padding: 26px 24px 28px; }
.cycle-tag { display: inline-block; padding: 0.2rem 0.55rem; border: 2px solid var(--ink); border-radius: 4px; font: 700 0.66rem var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-colour); }
.cycle-tag.fetch { background: #cfdcff; }
.cycle-tag.decode { background: var(--hi); }
.cycle-tag.exec { background: var(--neon); color: #fff; }
.cycle h3 { margin: 16px 0 8px; font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }
.cycle p { margin: 0; color: var(--ink-soft); }
.cycle code { font-size: 0.8rem; color: var(--ink); background: var(--paper-2); border: 1.5px solid var(--rule-2); padding: 0 4px; border-radius: 4px; }

.compare { padding: 8px; max-width: 900px; }
.compare.ink-panel:hover { transform: none; box-shadow: var(--shadow); }
.compare-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.compare-head b { font-size: 1.1rem; }
.compare-head .muted { margin-left: auto; font: 0.8rem var(--font-mono); }
.compare-row { display: grid; grid-template-columns: 120px minmax(0, 1.2fr) minmax(0, 1fr) 80px; align-items: center; gap: 18px; padding: 16px; border-top: var(--b) dashed var(--rule-2); }
.compare-row .tier { justify-self: start; }
.compare-name b { display: block; font-weight: 700; }
.compare-name span { font: 0.78rem var(--font-mono); color: var(--text-muted); }
.compare-bar { height: 14px; border: 2px solid var(--ink); border-radius: 999px; background: var(--paper); overflow: hidden; }
.compare-bar i { display: block; height: 100%; width: 0; background: var(--hi); border-right: 2px solid var(--ink); transition: width 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.compare.in .compare-bar i { width: var(--w); }
.compare-bar.brute i { background: var(--neon); }
.compare-n { font: 700 0.82rem var(--font-mono); text-align: right; }

.track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 2.5vw, 1.75rem); }
.track-card { display: flex; flex-direction: column; min-height: 210px; padding: 20px; text-decoration: none; color: var(--ink); }
.track-card:hover { color: var(--ink); }
.track-num { font: 400 1.6rem var(--font-display); color: var(--neon); line-height: 1; }
.track-card h3 { margin: 12px 0 8px; font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.track-card p { margin: 0 0 16px; font-size: 0.86rem; color: var(--ink-soft); }
.track-meta { margin-top: auto; display: flex; align-items: center; gap: 8px; font: 700 0.72rem var(--font-mono); text-transform: lowercase; color: var(--text-muted); }
.track-pips { display: flex; gap: 3px; }
.track-pips i { width: 10px; height: 10px; border-radius: 3px; background: var(--paper); border: 2px solid var(--ink); }
.track-pips i.done { background: var(--t-bool); }
.track-card .arrow { position: absolute; top: 16px; right: 18px; font-weight: 700; transition: transform 0.2s, color 0.2s; }
.track-card:hover .arrow { transform: translate(2px, -2px); color: var(--neon); }

.cta { text-align: center; padding-top: 150px; padding-bottom: 130px; }
.cta h2 { margin: 0 0 36px; font-family: var(--font-display); font-weight: 400; font-size: clamp(2.2rem, 5.4vw, 4.4rem); line-height: 1.02; }
.cta h2 em { color: var(--neon); }

.foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 24px max(20px, calc((100vw - 1200px) / 2)); border-top: var(--b) solid var(--ink); background: var(--paper); font: 0.8rem var(--font-mono); }
.foot a { color: var(--ink); font-weight: 700; }
.foot a:hover { color: var(--neon); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.in { opacity: 1; transform: none; }
/* once revealed, hand transform back to the panel's hover lift */
.ink-panel.reveal.in { transition: opacity 0.8s ease, transform 0.25s ease, box-shadow 0.25s ease; }

@media (max-width: 1000px) {
    .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 48px; }
    .hero-demo { height: 520px; }
    .track-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { display: none; }
}
@media (max-width: 680px) {
    .cycle { grid-template-columns: 1fr; }
    .compare-row { grid-template-columns: 1fr auto; gap: 8px 12px; }
    .compare-row .tier { grid-column: 1 / -1; }
    .compare-bar { grid-column: 1; }
    .track-grid { grid-template-columns: 1fr; }
    .hero-stats { gap: 20px; }
    .demo-code { width: calc(100% - 32px); }
    #heroCode { font-size: 11px; }
    .how, .solutions, .tracks { padding-top: 80px; }
    .nav-right .btn { display: none; }
}