:root {
    --black: #12131A;
    --paper: #F3F0E8;
    --cyan: #47D7E8;
    --verm: #FF4D3D;
    --violet: #7C5CFF;
    --green: #4D8B6A;
    --gray: #6C7078;
    --syne: 'Syne', sans-serif;
    --fraunces: 'Fraunces', serif;
    --sans: 'DM Sans', sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--black);
    background: var(--paper);
    font-family: var(--sans);
    overflow-x: hidden;
}

.bench-grid {
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
        linear-gradient(115deg, transparent 49.7%, rgba(124, 92, 255, .16) 50%, transparent 50.3%),
        linear-gradient(rgba(18, 19, 26, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 19, 26, .06) 1px, transparent 1px),
        linear-gradient(rgba(18, 19, 26, .12) 2px, transparent 2px),
        linear-gradient(90deg, rgba(18, 19, 26, .12) 2px, transparent 2px),
        var(--paper);
    background-size: 100% 100%, 8px 8px, 8px 8px, 64px 64px, 64px 64px;
}

.drafting-rail {
    position: fixed;
    width: 155vw;
    height: 46px;
    left: -24vw;
    top: 51vh;
    transform: rotate(-18deg);
    z-index: -1;
    background: rgba(71, 215, 232, .28);
    border: 1px solid rgba(18, 19, 26, .35);
    box-shadow: 0 18px 40px rgba(18, 19, 26, .12);
    overflow: hidden;
}

.drafting-rail span {
    display: block;
    height: 100%;
    background: repeating-linear-gradient(90deg, var(--black) 0 1px, transparent 1px 16px, var(--black) 16px 18px, transparent 18px 64px);
    opacity: .42;
    transform-origin: left;
    transform: scaleX(var(--rail, .08));
}

.tape-tabs {
    position: fixed;
    z-index: 30;
    right: 18px;
    top: 50%;
    transform: translateY(-50%) rotate(1.5deg);
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.tape-tabs a {
    color: var(--black);
    text-decoration: none;
    font-family: var(--mono);
    font-size: 11px;
    padding: 8px 11px;
    background: rgba(243, 240, 232, .82);
    border: 1px solid rgba(18, 19, 26, .25);
    box-shadow: 3px 5px 0 rgba(18, 19, 26, .12);
}

.tape-tabs a.active { background: rgba(255, 77, 61, .78); color: var(--paper); }

.station {
    min-height: 100vh;
    position: relative;
    isolation: isolate;
    padding: 9vh 9vw;
}

.coordinate-tag {
    position: absolute;
    top: 34px;
    left: 7vw;
    font-family: var(--mono);
    color: var(--green);
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: 12px;
}

.hero-title {
    position: absolute;
    top: 9vh;
    left: 8vw;
    transform: rotate(-2deg);
    z-index: 3;
}

.stamp-label, .paper-title, .laser-tab, .compile-strip span, code {
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: .08em;
}

h1, h2 {
    margin: 0;
    font-family: var(--syne);
    line-height: .86;
    letter-spacing: -.06em;
}

h1 {
    font-size: clamp(72px, 14vw, 190px);
    color: var(--black);
    text-shadow: 5px 5px 0 rgba(71, 215, 232, .55), -4px 7px 0 rgba(255, 77, 61, .25);
}

h2 { font-size: clamp(48px, 8vw, 104px); }

.subcopy {
    max-width: 460px;
    font-size: 21px;
    margin: 22px 0 0 8px;
}

.vellum, .acetate, .redline-sheet, .release-frame {
    background: rgba(243, 240, 232, .72);
    border: 1px solid rgba(18, 19, 26, .24);
    backdrop-filter: blur(3px);
    box-shadow: 18px 20px 0 rgba(18, 19, 26, .09);
}

.sheet-one {
    width: min(610px, 76vw);
    height: 430px;
    position: absolute;
    right: 10vw;
    bottom: 12vh;
    transform: rotate(6deg);
    padding: 28px;
}

.binder-clip {
    position: absolute;
    top: -18px;
    left: 44%;
    width: 78px;
    height: 32px;
    background: var(--black);
    border-radius: 8px 8px 2px 2px;
}

.paper-title { color: var(--gray); font-size: 12px; }

.sketch-svg { width: 100%; height: 88%; fill: none; }
.draw-line { stroke: var(--black); stroke-width: 7; stroke-linecap: round; stroke-dasharray: 760; animation: draw 3.8s ease-in-out infinite alternate; }
.draw-line.slow { stroke: var(--violet); stroke-width: 4; animation-duration: 5s; }
.dashed { stroke: var(--gray); stroke-width: 2; stroke-dasharray: 8 10; }

@keyframes draw { from { stroke-dashoffset: 760; } to { stroke-dashoffset: 0; } }

.transparent-ruler {
    position: absolute;
    right: 3vw;
    top: 37vh;
    width: 46vw;
    min-width: 420px;
    height: 56px;
    transform: rotate(-7deg);
    background: rgba(71, 215, 232, .28);
    border: 1px solid rgba(18, 19, 26, .35);
    display: flex;
    justify-content: space-around;
    align-items: end;
    font-family: var(--mono);
    font-size: 12px;
}

.transparent-ruler::before, .compile-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg, rgba(18,19,26,.55) 0 1px, transparent 1px 12px);
}

.station-copy {
    position: absolute;
    width: min(440px, 76vw);
    z-index: 6;
    padding: 26px;
    background: rgba(243, 240, 232, .82);
    border: 1px solid rgba(18, 19, 26, .22);
    transform: rotate(-2deg);
}

.station-copy p { font-size: 18px; line-height: 1.45; }
.station-copy code { display: inline-block; color: var(--violet); margin-top: 10px; }
.hero-note { left: 8vw; bottom: 12vh; }
.left-note { left: 9vw; top: 22vh; }
.right-note { right: 8vw; bottom: 16vh; transform: rotate(2.5deg); }

.foam-core {
    position: absolute;
    width: 58vw;
    height: 48vh;
    right: 8vw;
    top: 24vh;
    background: linear-gradient(135deg, rgba(255,255,255,.55), rgba(243,240,232,.75));
    border: 6px solid var(--black);
    transform: rotate(-5deg);
    box-shadow: 22px 25px 0 rgba(124, 92, 255, .18);
}

.laser-tab {
    position: absolute;
    top: -28px;
    left: 40px;
    background: var(--violet);
    color: var(--paper);
    padding: 9px 18px;
}

.pin { position: absolute; width: 28px; height: 28px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #F3F0E8 0 12%, var(--green) 14% 100%); box-shadow: 0 0 0 8px rgba(77,139,106,.18); }
.pin-a { left: 20%; top: 28%; } .pin-b { left: 63%; top: 22%; } .pin-c { left: 52%; top: 69%; }
.cut-slot { position: absolute; left: 24%; top: 48%; width: 48%; height: 24px; border: 2px dashed var(--gray); border-radius: 30px; transform: rotate(12deg); }
.cut-slot.short { left: 60%; top: 64%; width: 22%; transform: rotate(-18deg); }

.acetate.cyan {
    position: absolute;
    width: 48vw;
    height: 34vh;
    right: 15vw;
    top: 32vh;
    transform: rotate(4deg) translateX(var(--misregister, 0px));
    background: rgba(71, 215, 232, .24);
    transition: transform .55s cubic-bezier(.2,.8,.2,1);
}
.acetate span { position: absolute; right: 20px; bottom: 18px; font-family: var(--mono); color: var(--black); }
.compiled .acetate.cyan { --misregister: -18px; }

.crate-stack { position: absolute; left: 12vw; top: 24vh; transform: rotate(4deg); }
.crate-stack div { width: 220px; height: 82px; margin: -1px 0; background: rgba(77,139,106,.18); border: 3px solid var(--green); display: grid; place-items: center; font-family: var(--mono); font-weight: 700; }
.compile-strip { position: absolute; left: 30vw; top: 34vh; width: 42vw; height: 76px; background: rgba(124,92,255,.2); border: 1px solid var(--black); transform: rotate(-12deg); display: flex; align-items: center; justify-content: space-around; overflow: hidden; }
.thread-path { position: absolute; left: 24vw; top: 50vh; width: 46vw; height: 5px; background: var(--verm); transform: rotate(16deg); box-shadow: 0 0 0 8px rgba(255,77,61,.12); }
.thread-path::before, .thread-path::after { content: ""; position: absolute; top: -8px; width: 21px; height: 21px; border-radius: 50%; background: var(--verm); }
.thread-path::before { left: 0; } .thread-path::after { right: 0; }

button {
    border: 2px solid var(--black);
    background: var(--cyan);
    color: var(--black);
    font-family: var(--mono);
    text-transform: uppercase;
    padding: 13px 17px;
    box-shadow: 5px 5px 0 var(--black);
    cursor: pointer;
}

.force-field { position: absolute; right: 11vw; top: 18vh; display: grid; gap: 22px; color: var(--verm); font-family: var(--syne); font-size: 112px; transform: rotate(-8deg); }
.force-field span { animation: shove 1.4s ease-in-out infinite alternate; }
.force-field span:nth-child(2) { animation-delay: .15s; } .force-field span:nth-child(3) { animation-delay: .3s; } .force-field span:nth-child(4) { animation-delay: .45s; }
@keyframes shove { to { transform: translateX(-28px); opacity: .42; } }

.caliper { position: absolute; left: 17vw; bottom: 18vh; width: 430px; height: 150px; transform: rotate(8deg); }
.caliper-bar { position: absolute; top: 54px; width: 100%; height: 24px; background: rgba(108,112,120,.45); border: 2px solid var(--black); }
.jaw { position: absolute; top: 20px; width: 42px; height: 104px; border: 4px solid var(--black); background: rgba(243,240,232,.85); }
.jaw.fixed { left: 30px; } .jaw.moving { left: var(--jaw, 235px); cursor: grab; }
.caliper-readout { position: absolute; right: 12px; top: 90px; font-family: var(--mono); background: var(--black); color: var(--paper); padding: 8px 12px; }

.redline-sheet { position: absolute; left: 12vw; top: 18vh; width: 53vw; min-height: 52vh; transform: rotate(-3deg); background: rgba(255,77,61,.16); padding: 54px; color: var(--verm); }
.revise-stamp { display: inline-block; font-family: var(--syne); font-size: clamp(72px, 12vw, 170px); line-height: .8; border: 8px solid var(--verm); padding: 12px 22px; transform: rotate(7deg); opacity: .85; }
.redline-sheet p { font-family: var(--fraunces); font-size: 30px; margin: 22px 0 0 24px; }
.swatch-stack { position: absolute; right: 15vw; top: 18vh; width: 230px; height: 270px; }
.swatch-stack i { position: absolute; inset: 0; border: 1px solid var(--black); background: rgba(71,215,232,.34); transform: rotate(-11deg); }
.swatch-stack i:nth-child(2) { background: rgba(124,92,255,.28); transform: rotate(8deg) translate(28px, 26px); }
.swatch-stack i:nth-child(3) { background: rgba(255,77,61,.25); transform: rotate(18deg) translate(52px, 54px); }

.release-frame { position: absolute; inset: 17vh 14vw; transform: rotate(2deg); padding: 8vw; background: rgba(243,240,232,.86); }
.release-frame h2 { max-width: 820px; }
.release-frame p:not(.designer-note) { max-width: 540px; font-size: 24px; line-height: 1.35; }
.designer-note { font-family: var(--fraunces); color: var(--violet); font-size: 25px; }
.registration-cross { position: absolute; right: 38px; top: 38px; width: 84px; height: 84px; border: 2px solid var(--black); border-radius: 50%; }
.registration-cross::before, .registration-cross::after { content: ""; position: absolute; background: var(--black); }
.registration-cross::before { width: 110px; height: 2px; left: -13px; top: 39px; } .registration-cross::after { height: 110px; width: 2px; top: -13px; left: 39px; }

.test-rig {
    position: fixed;
    left: var(--rig-x, 62vw);
    top: var(--rig-y, 62vh);
    width: 190px;
    height: 135px;
    z-index: 20;
    transform: translate(-50%, -50%) rotate(var(--rig-r, -5deg));
    transition: left .8s cubic-bezier(.2,.8,.2,1), top .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
    filter: drop-shadow(12px 16px 0 rgba(18,19,26,.13));
}
.rig-body { position: absolute; left: 38px; top: 42px; width: 118px; height: 66px; border-radius: 22px; background: var(--paper); border: 5px solid var(--black); }
.rig-body span { position: absolute; inset: 15px 35px; background: var(--cyan); border-radius: 999px; border: 2px solid var(--black); }
.arm { position: absolute; width: 72px; height: 12px; background: var(--violet); border: 3px solid var(--black); top: 70px; transform-origin: center; animation: pivot 2.4s ease-in-out infinite alternate; }
.arm-left { left: -4px; transform: rotate(24deg); } .arm-right { right: -4px; transform: rotate(-24deg); animation-delay: .5s; }
.spring { position: absolute; left: 70px; top: 18px; width: 52px; height: 28px; border-top: 5px dotted var(--verm); border-radius: 50%; }
.claw { position: absolute; width: 34px; height: 34px; border: 5px solid var(--black); border-radius: 0 0 22px 22px; top: 86px; border-top: 0; }
.claw.left { left: 4px; transform: rotate(30deg); } .claw.right { right: 4px; transform: rotate(-30deg); }
.rig-label { position: absolute; top: -12px; left: 50px; z-index: 4; font-family: var(--mono); background: var(--green); color: var(--paper); padding: 7px 10px; text-transform: uppercase; font-size: 11px; }
.pass-stamp { position: absolute; right: -34px; top: -28px; display: none; color: var(--green); border: 4px solid var(--green); font-family: var(--syne); font-size: 27px; padding: 5px 9px; transform: rotate(13deg); background: rgba(243,240,232,.86); }
.test-rig.shake { animation: rigShake .42s linear 2; }
.test-rig.passed .pass-stamp { display: block; }
@keyframes pivot { to { rotate: 16deg; } }
@keyframes rigShake { 20% { margin-left: -12px; } 40% { margin-left: 14px; } 60% { margin-left: -8px; } 80% { margin-left: 8px; } }

body.phase-jig .test-rig { --rig-x: 61vw; --rig-y: 47vh; --rig-r: 8deg; }
body.phase-compile .test-rig { --rig-x: 49vw; --rig-y: 57vh; --rig-r: -13deg; }
body.phase-stress .test-rig { --rig-x: 58vw; --rig-y: 54vh; --rig-r: 4deg; }
body.phase-revision .test-rig { --rig-x: 43vw; --rig-y: 50vh; --rig-r: -7deg; }
body.phase-release .test-rig { --rig-x: 58vw; --rig-y: 44vh; --rig-r: 2deg; }

@media (max-width: 800px) {
    .tape-tabs { display: none; }
    .station { padding: 8vh 6vw; }
    .sheet-one, .foam-core, .redline-sheet, .release-frame { width: 82vw; left: 9vw; right: auto; }
    .station-copy, .left-note, .right-note, .hero-note { left: 6vw; right: auto; bottom: 7vh; top: auto; }
    .transparent-ruler, .compile-strip { min-width: 0; width: 82vw; left: 8vw; right: auto; }
    .test-rig { scale: .72; }
}