/* Crude Escape — case study. Chart-room editorial: Fraunces + Instrument Sans + IBM Plex Mono. */
:root {
  --abyss: #061820; --deep: #0b2733; --tide: #12394a; --seaglass: #8fd1c6; --foam: #d7efe9;
  --chalk: #f2efe7; --paper: #e9e4d8; --ink: #0e1f27; --muted: #5d6c71; --signal: #e8603c; --brass: #c6a265;
  --line: rgba(14, 31, 39, .14); --line-d: rgba(215, 239, 233, .14);
  --display: 'Fraunces', Georgia, serif; --sans: 'Instrument Sans', system-ui, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.22, 1, .36, 1); --gut: clamp(20px, 5vw, 80px);
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--abyss); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; background: var(--chalk); color: var(--ink); font: 400 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
.mono { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; }
.wrap { width: min(1280px, 100% - 2 * var(--gut)); margin-inline: auto; }

/* top bar */
.cs-top { position: fixed; z-index: 30; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px var(--gut); color: var(--chalk); transition: background .5s var(--ease), color .5s, padding .5s var(--ease); }
.cs-top.is-solid { background: rgba(6, 24, 32, .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding-block: 13px; }
.cs-file { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.cs-file svg { width: 34px; height: 34px; flex: none; }
.cs-file b { display: block; font: 500 17px/1 var(--display); letter-spacing: .01em; }
.cs-file span { display: block; margin-top: 5px; opacity: .65; }
.cs-live { display: inline-flex; align-items: center; gap: 10px; padding: 11px 16px; border: 1px solid rgba(242, 239, 231, .35); border-radius: 999px; text-decoration: none;
  transition: background .35s var(--ease), color .35s, border-color .35s; white-space: nowrap; }
.cs-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--seaglass); box-shadow: 0 0 0 4px rgba(143, 209, 198, .2); animation: pulse 2s infinite; }
.cs-live:hover, .cs-live:focus-visible { background: var(--chalk); color: var(--abyss); border-color: var(--chalk); outline: none; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(143, 209, 198, 0); } }
@media (max-width: 560px) { .cs-file .mono { display: none; } .cs-live .t { display: none; } }
@media (max-width: 640px) { .cs-coords { gap: 8px 14px; } .cs-coords span + span::before { display: none; } }

/* hero */
.cs-hero { position: relative; height: 100svh; min-height: 640px; color: var(--chalk); background: var(--abyss); overflow: hidden; display: grid; align-items: end; }
.cs-hero__media { position: absolute; inset: 0; }
.cs-hero__media video, .cs-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.cs-hero::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 24, 32, .55), rgba(6, 24, 32, 0) 28%, rgba(6, 24, 32, .1) 55%, rgba(6, 24, 32, .9)); }
.cs-hero__in { position: relative; z-index: 2; padding: 0 var(--gut) clamp(96px, 13vh, 130px); width: 100%; }
.cs-coords { display: flex; gap: 18px; flex-wrap: wrap; color: var(--seaglass); }
.cs-coords span + span::before { content: '/'; margin-right: 18px; opacity: .5; }
.cs-hero h1 { margin: 18px 0 0; font: 300 clamp(64px, 13vw, 210px)/.84 var(--display); letter-spacing: -.035em; font-variation-settings: 'SOFT' 100, 'opsz' 144; }
.cs-hero h1 em { font-style: italic; font-weight: 300; color: var(--foam); }
.cs-hero__row { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; margin-top: clamp(22px, 4vh, 40px); }
.cs-hero__lede { margin: 0; max-width: 34em; font-size: clamp(16px, 1.35vw, 19px); line-height: 1.6; color: rgba(242, 239, 231, .86); }
.cs-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 28px; margin: 0; }
.cs-meta div { border-top: 1px solid rgba(242, 239, 231, .22); padding-top: 10px; }
.cs-meta dt { color: var(--seaglass); }
.cs-meta dd { margin: 4px 0 0; font-size: 14.5px; }
.cs-real { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: var(--signal); color: #fff; }
@media (max-width: 820px) { .cs-hero__row { grid-template-columns: 1fr; } .cs-hero { align-items: end; } }

/* section scaffolding */
.sec { padding: clamp(90px, 14vh, 160px) 0; position: relative; }
.sec--dark { background: var(--abyss); color: var(--chalk); }
.sec--deep { background: var(--deep); color: var(--chalk); }
.sec--paper { background: var(--paper); }
.label { display: flex; align-items: center; gap: 14px; margin: 0 0 26px; color: var(--signal); }
.label::after { content: ''; flex: 0 0 60px; height: 1px; background: currentColor; opacity: .5; }
.sec--dark .label, .sec--deep .label { color: var(--seaglass); }
.h2 { margin: 0; font: 300 clamp(40px, 5.6vw, 88px)/.98 var(--display); letter-spacing: -.025em; max-width: 15ch; }
.h2 em { font-style: italic; color: var(--tide); }
.sec--dark .h2 em, .sec--deep .h2 em { color: var(--seaglass); }

/* the goal */
.goal { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 120px); align-items: start; }
.goal p { margin: 0 0 18px; font-size: 18px; line-height: 1.7; color: #2a3a41; max-width: 34em; }
.goal p.big { font: 300 clamp(24px, 2.3vw, 32px)/1.3 var(--display); color: var(--ink); }
.facts { list-style: none; margin: 34px 0 0; padding: 0; border-top: 1px solid var(--line); }
.facts li { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.facts li .mono { color: var(--muted); padding-top: 3px; }
@media (max-width: 820px) { .goal { grid-template-columns: 1fr; } .facts li { grid-template-columns: 1fr; gap: 4px; } }

/* chart (route) */
.chart { position: relative; margin-top: clamp(40px, 7vh, 80px); border: 1px solid var(--line-d); border-radius: 4px; overflow: hidden;
  background:
    linear-gradient(var(--line-d) 1px, transparent 1px) 0 0 / 80px 80px,
    linear-gradient(90deg, var(--line-d) 1px, transparent 1px) 0 0 / 80px 80px,
    radial-gradient(120% 90% at 30% 20%, #0f3442, var(--abyss)); }
.chart svg { display: block; width: 100%; height: auto; }
.chart .isle { fill: #1a4656; stroke: rgba(143, 209, 198, .35); stroke-width: 1; }
.chart .route { fill: none; stroke: var(--signal); stroke-width: 2.2; stroke-dasharray: 7 7; }
.chart .stop circle { fill: var(--abyss); stroke: var(--seaglass); stroke-width: 2; }
.chart .stop text { fill: var(--chalk); font: 500 13px var(--sans); }
.chart .stop .n { fill: var(--seaglass); font: 500 10.5px var(--mono); letter-spacing: .1em; }
.chart__cap { position: absolute; left: 20px; bottom: 16px; color: rgba(242, 239, 231, .55); }
.chart svg.chart__rose { position: absolute; right: 22px; top: 18px; width: 64px; height: 64px; color: rgba(143, 209, 198, .6); }
@media (max-width: 640px) { .chart { overflow-x: auto; -webkit-overflow-scrolling: touch; } .chart svg:not(.chart__rose) { width: 860px; max-width: none; } .chart__cap { position: static; display: block; padding: 0 16px 14px; } }

/* what we built: logbook */
.log { margin-top: clamp(40px, 7vh, 80px); border-top: 1px solid var(--line); }
.entry { display: grid; grid-template-columns: 90px 1fr 1.05fr; gap: clamp(20px, 4vw, 64px); padding: clamp(36px, 6vh, 64px) 0; border-bottom: 1px solid var(--line); align-items: center; }
.entry__no { font: 300 clamp(40px, 4vw, 56px)/1 var(--display); color: var(--signal); }
.entry h3 { margin: 0 0 12px; font: 400 clamp(26px, 2.6vw, 38px)/1.08 var(--display); letter-spacing: -.01em; }
.entry p { margin: 0; color: #34454c; max-width: 32em; }
.entry .mono { display: block; margin-top: 16px; color: var(--muted); }
.entry__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 3px; background: var(--deep); }
.entry__media img, .entry__media video { position: absolute; inset: -8% 0; width: 100%; height: 116%; object-fit: cover; }
.entry__media--rates { aspect-ratio: auto; background: var(--abyss); color: var(--chalk); padding: clamp(14px, 3vw, 26px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.rate { border: 1px solid var(--line-d); padding: clamp(12px, 2vw, 16px); border-radius: 3px; min-width: 0; }
.rate b { display: block; font: 300 clamp(26px, 3vw, 34px)/1 var(--display); margin: 8px 0 4px; color: var(--foam); }
.rate .mono { margin: 0; color: var(--seaglass); }
.rate small { color: rgba(242, 239, 231, .6); font-size: 12.5px; }
.entry__media--link { aspect-ratio: auto; background: var(--abyss); color: var(--chalk); padding: 26px; font-family: var(--mono); font-size: 13px; line-height: 1.9; }
.entry__media--link .k { color: var(--seaglass); }
.entry__media--link .v { color: var(--signal); }
.entry__media--link .btnmock { display: inline-block; margin-top: 18px; padding: 12px 20px; border: 1px solid var(--brass); color: var(--brass); letter-spacing: .2em; font-size: 11px; }
@media (max-width: 900px) { .entry { grid-template-columns: 1fr; gap: 18px; } .entry__no { font-size: 34px; } }

/* live preview */
.preview { display: grid; grid-template-columns: 1fr auto; gap: clamp(28px, 4vw, 64px); align-items: center; margin-top: clamp(40px, 7vh, 80px); }
.browser { border-radius: 12px; overflow: hidden; background: #0a1d26; box-shadow: 0 50px 100px -30px rgba(0, 0, 0, .7), 0 0 0 1px rgba(215, 239, 233, .1); }
.browser__bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; background: #0f2a36; border-bottom: 1px solid rgba(215, 239, 233, .08); }
.browser__dots { display: flex; gap: 7px; }
.browser__dots i { width: 11px; height: 11px; border-radius: 50%; background: rgba(215, 239, 233, .22); }
.browser__url { flex: 1; padding: 7px 14px; border-radius: 7px; background: rgba(6, 24, 32, .7); color: rgba(242, 239, 231, .7); font: 12.5px var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.browser__screen { position: relative; aspect-ratio: 16 / 10; background: var(--abyss) url(/crude-escape/assets/img/aerial.webp) center / cover; }
.browser__screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: var(--abyss); }
.browser__gate { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(6, 24, 32, .35); border: 0; color: var(--chalk); cursor: pointer; transition: background .4s; }
.browser__gate span { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; background: rgba(6, 24, 32, .75); border: 1px solid rgba(143, 209, 198, .5); backdrop-filter: blur(8px); font: 500 14px var(--sans); transition: transform .4s var(--ease); }
.browser__gate:hover { background: rgba(6, 24, 32, .1); }
.browser__gate:hover span, .browser__gate:focus-visible span { transform: scale(1.05); }
.browser__gate:focus-visible { outline: 2px solid var(--seaglass); outline-offset: -4px; }
.phone { position: relative; width: clamp(220px, 21vw, 300px); aspect-ratio: 9 / 19.5; border-radius: 42px; padding: 10px; background: #02090d; box-shadow: 0 0 0 1px rgba(215, 239, 233, .14), 0 50px 90px -30px rgba(0, 0, 0, .8); }
.phone__screen { position: relative; width: 100%; height: 100%; border-radius: 33px; overflow: hidden; background: var(--deep); }
.phone__screen video { width: 100%; height: 100%; object-fit: cover; }
.phone__notch { position: absolute; z-index: 2; top: 18px; left: 50%; transform: translateX(-50%); width: 84px; height: 24px; border-radius: 20px; background: #02090d; }
.phone__cap { margin-top: 18px; text-align: center; color: rgba(242, 239, 231, .6); }
.preview__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
@media (max-width: 900px) { .preview { grid-template-columns: 1fr; } .phone { margin: 10px auto 0; width: min(260px, 70vw); } .browser__screen { aspect-ratio: 4 / 5; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent; font: 600 14.5px var(--sans);
  text-decoration: none; cursor: pointer; transition: transform .4s var(--ease), background .35s, color .35s, border-color .35s; }
.btn svg { width: 16px; height: 16px; transition: transform .4s var(--ease); }
.btn:hover svg { transform: translate(3px, -1px); }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--seaglass); outline-offset: 3px; }
.btn--signal { background: var(--signal); color: #fff; }
.btn--signal:hover { background: #f07250; }
.btn--line { border-color: rgba(242, 239, 231, .35); color: var(--chalk); background: transparent; }
.btn--line:hover { border-color: var(--chalk); }
.btn--ink { background: var(--ink); color: var(--chalk); }

/* results */
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: clamp(40px, 7vh, 80px); border-top: 1px solid var(--line); }
.result { padding: 30px 26px 30px 0; border-right: 1px solid var(--line); margin-right: 26px; }
.result:last-child { border-right: 0; margin-right: 0; }
.result b { display: block; font: 300 clamp(40px, 4.4vw, 64px)/1 var(--display); letter-spacing: -.02em; }
.result p { margin: 14px 0 0; color: #34454c; font-size: 15px; }
.result .mono { display: inline-block; margin-top: 14px; padding: 5px 9px; border-radius: 3px; background: rgba(232, 96, 60, .12); color: #b8462a; }
.result .mono.ok { background: rgba(18, 57, 74, .1); color: var(--tide); }
@media (max-width: 900px) { .results { grid-template-columns: 1fr 1fr; } .result:nth-child(2) { border-right: 0; margin-right: 0; } }
@media (max-width: 520px) { .results { grid-template-columns: 1fr; } .result { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--line); } }
.note { margin-top: 30px; max-width: 46em; font-size: 14px; color: var(--muted); }

/* next */
.next { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); margin-top: clamp(40px, 6vh, 70px); }
.next div { border-top: 1px solid var(--line-d); padding-top: 22px; }
.next h3 { margin: 10px 0 10px; font: 400 26px/1.1 var(--display); }
.next p { margin: 0; color: rgba(242, 239, 231, .7); font-size: 15px; }
.next .mono { color: var(--seaglass); }
@media (max-width: 820px) { .next { grid-template-columns: 1fr; } }

/* close */
.close { position: relative; overflow: hidden; text-align: center; padding: clamp(120px, 20vh, 220px) var(--gut); background: var(--abyss) url(/crude-escape/assets/img/night.webp) center / cover; color: var(--chalk); }
.close::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(6, 24, 32, .85), rgba(6, 24, 32, .65)); }
.close > * { position: relative; }
.close h2 { margin: 18px auto 0; font: 300 clamp(48px, 8vw, 128px)/.92 var(--display); letter-spacing: -.03em; max-width: 12ch; }
.close h2 em { font-style: italic; color: var(--seaglass); }
.close p { max-width: 34em; margin: 26px auto 36px; color: rgba(242, 239, 231, .8); font-size: 18px; }
.close .row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.foot { padding: 26px var(--gut) 100px; background: var(--abyss); color: rgba(242, 239, 231, .5); font-size: 13px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* intro overlay */
.ce-intro { position: fixed; inset: 0; z-index: 2147483250; background: #000; overflow: hidden; }
.ce-intro video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.ce-intro__bar { position: absolute; left: 0; right: 0; height: 50.2%; background: #000; z-index: 2; }
.ce-intro__bar--t { top: 0; } .ce-intro__bar--b { bottom: 0; }
.ce-intro__line { position: absolute; z-index: 3; left: 0; right: 0; top: 50%; height: 1px; background: var(--seaglass); transform: scaleX(0); }
.ce-intro__coords { position: absolute; z-index: 4; left: 50%; top: calc(50% + 18px); transform: translateX(-50%); color: var(--seaglass); white-space: nowrap; }
.ce-intro__title { position: absolute; z-index: 4; left: 0; right: 0; top: 50%; transform: translateY(-50%); text-align: center; color: #fff;
  font: 300 clamp(56px, 11vw, 170px)/.9 var(--display); letter-spacing: -.03em; opacity: 0; text-shadow: 0 10px 50px rgba(0, 0, 0, .4); }
.ce-intro__title small { display: block; margin-bottom: 18px; font: 500 12px/1 var(--mono); letter-spacing: .3em; text-transform: uppercase; color: var(--seaglass); }

.rv { will-change: transform; }
@media (prefers-reduced-motion: reduce) { .cs-live i { animation: none; } }
.entry__media--link div { overflow-wrap: anywhere; }