:root {
  --bg: #0b0b0b;
  --panel: #151515;
  --panel-2: #1d1d1d;
  --line: #2b2b2b;
  --text: #f2f2f2;
  --dim: #9b9b9b;
  --red: #c8202f;
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; font-weight: 700; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.eyebrow { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dim); margin: 0 0 16px; }

/* Buttons: solid white, and a thin outlined one like a menu item */
.btn, .btn-line {
  display: inline-block; cursor: pointer; text-decoration: none; text-align: center;
  font: 600 0.85rem var(--font); letter-spacing: 0.2em; text-transform: uppercase;
  padding: 16px 34px; border: 1px solid #fff; transition: background 0.2s, color 0.2s;
}
.btn { background: #fff; color: #000; }
.btn:hover { background: transparent; color: #fff; }
.btn:disabled { opacity: 0.5; cursor: wait; }
.btn-line { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-line:hover { background: #fff; color: #000; }
.btn-line.small { padding: 9px 18px; font-size: 0.72rem; }

/* Top */
.notice { background: #000; color: var(--dim); text-align: center; font-size: 0.78rem; letter-spacing: 0.06em; padding: 8px 16px; border-bottom: 1px solid var(--line); }
.top { position: sticky; top: 0; z-index: 20; background: rgba(11, 11, 11, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { height: 26px; width: auto; }
.top nav { display: flex; align-items: center; gap: 32px; }
.top nav a:not(.btn-line) { text-decoration: none; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: #cfcfcf; }
.top nav a:not(.btn-line):hover { color: #fff; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-btn span { display: block; width: 26px; height: 2px; background: #fff; margin: 6px 0; transition: transform 0.2s, opacity 0.2s; }

/* Hero carousel */
.hero { position: relative; height: min(78vh, 760px); min-height: 520px; overflow: hidden; background: #000; }
.slides, .slide { position: absolute; inset: 0; }
.slide { opacity: 0; visibility: hidden; transition: opacity 0.9s ease, visibility 0.9s; display: flex; align-items: flex-end; }
.slide.active { opacity: 1; visibility: visible; }
.slide-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 30%; transform: scale(1.04); transition: transform 8s ease-out; }
.slide.active .slide-bg { transform: scale(1); }
.slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.35) 45%, transparent 70%), linear-gradient(0deg, rgba(0, 0, 0, 0.85), transparent 45%); }
.slide-in { position: relative; z-index: 2; width: 100%; padding-bottom: 72px; }
.slide-logo { width: min(480px, 80%); height: auto; margin-bottom: 20px; }
.slide-copy { max-width: 32em; color: #d6d6d6; font-size: 1.05rem; margin: 0 0 32px; }
.slide-title { font-size: clamp(2.2rem, 5.5vw, 4.2rem); font-weight: 300; letter-spacing: -0.01em; }
.actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.note { color: var(--dim); font-size: 0.85rem; }

.teaser { background: radial-gradient(ellipse at 70% 40%, #2a1215 0%, #0b0b0b 55%), #0b0b0b; }
.teaser::after { background: linear-gradient(0deg, rgba(0, 0, 0, 0.6), transparent 50%); }
.teaser::before { /* film grain */
  content: ""; position: absolute; inset: 0; opacity: 0.22; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.teaser-code {
  position: absolute; right: 24px; top: -0.35em; margin: 0; z-index: -1;
  font-size: clamp(4rem, 15vw, 13rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.14);
}
.teaser .slide-in { padding-top: 160px; }

.arrow {
  position: absolute; bottom: 72px; z-index: 5;
  width: 48px; height: 48px; border: 1px solid rgba(255, 255, 255, 0.4); background: rgba(0, 0, 0, 0.35);
  color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer;
}
.arrow:hover { background: #fff; color: #000; }
.arrow.prev { right: 80px; }
.arrow.next { right: 24px; }

.thumbs { display: flex; justify-content: center; gap: 12px; margin-top: 20px; }
.thumb {
  display: flex; align-items: center; gap: 12px; padding: 6px 16px 6px 6px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); color: var(--dim);
  font: 500 0.78rem var(--font); letter-spacing: 0.12em; text-transform: uppercase;
}
.thumb img, .thumb-dark { width: 34px; height: 48px; object-fit: cover; }
.thumb-dark { display: grid; place-items: center; background: #1c0d0f; color: #fff; font-weight: 700; }
.thumb.active { border-color: #fff; color: #fff; }

/* Blocks */
.block { padding: 80px 24px; }
.block-head { margin-bottom: 40px; max-width: 40em; }
.block-head.center { text-align: center; margin: 0 auto 48px; }
.block-head h2, .list h2, .devs h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 300; letter-spacing: 0.02em; text-transform: uppercase; }
.block-head p { color: var(--dim); margin: 0; }

/* Catalogue */
.catalogue { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.item { text-decoration: none; display: block; }
.box { aspect-ratio: 135 / 190; overflow: hidden; background: var(--panel); position: relative; margin-bottom: 16px; }
.box img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
a.item:hover .box img { transform: scale(1.05); }
a.item:hover h3 { text-decoration: underline; text-underline-offset: 4px; }
.box.mystery, .box.empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--line); }
.box.mystery { background: radial-gradient(ellipse at 50% 35%, #3a1418, #0e0e0e 70%); }
.box span { font-size: 0.75rem; letter-spacing: 0.2em; color: var(--dim); }
.box b { font-weight: 300; font-size: 1.3rem; text-transform: uppercase; letter-spacing: 0.08em; }
.box.empty { background: repeating-linear-gradient(135deg, #121212 0 12px, #151515 12px 24px); }
.status { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); border: 1px solid var(--line); padding: 3px 8px; margin-bottom: 10px; }
.status.live { color: #fff; background: var(--red); border-color: var(--red); }
.item h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 2px; }
.item p { margin: 0; color: var(--dim); font-size: 0.88rem; }

/* The edition */
.edition { padding: 80px 0; background: #000; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature { display: grid; grid-template-columns: 1.3fr 1fr; gap: 72px; align-items: center; margin-bottom: 72px; }
.feature.flip .feature-img { order: 2; }
.feature.showcase { grid-template-columns: 1fr; gap: 8px; text-align: center; }
.showcase .feature-text p:not(.eyebrow) { margin: 0 auto; }
.showcase .case-stage { width: 100%; }
.feature-img img { width: 100%; height: auto; }
.feature-text h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 300; }
.feature-text p:not(.eyebrow) { color: #bdbdbd; max-width: 30em; }
.disc-stage { display: grid; place-items: center; padding: 24px; background: radial-gradient(circle, #1b1b1b, #000 65%); aspect-ratio: 4 / 3; }
.disc { width: 72%; border-radius: 50%; box-shadow: 0 0 0 2px #3a3a3a, 0 30px 60px rgba(0, 0, 0, 0.8); animation: spin 30s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
/* 3D DVD case: 135 x 190 x 14 mm, spine on the left of the front cover.
   The front cover is a lid hinged on the spine; inside: manual under clips (lid) and disc on the hub (tray). */
.case-stage {
  --w: min(400px, 68vw); --h: calc(var(--w) * 190 / 135); --d: calc(var(--w) * 14 / 135);
  perspective: 1800px; display: grid; justify-items: center; padding: 24px 0 0; position: relative;
  cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none;
}
.case-stage:active { cursor: grabbing; }
.case-stage.open { cursor: default; }
.case-stage::before { /* floor shadow */
  content: ""; position: absolute; left: 20%; right: 20%; top: calc(24px + var(--h) - 20px); height: 40px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.9), transparent 70%); filter: blur(8px);
}
.case-fit { transform-style: preserve-3d; transition: transform 1s cubic-bezier(0.3, 0.7, 0.2, 1); }
.case-stage.open .case-fit { transform: translateX(calc(var(--w) * var(--open-scale, 0.7) / 2)) scale(var(--open-scale, 0.7)); }
.case3d {
  position: relative; width: var(--w); height: var(--h);
  transform-style: preserve-3d; transform: rotateX(var(--rx, 4deg)) rotateY(var(--ry, 28deg));
}
.case3d, .case3d img { pointer-events: none; -webkit-user-drag: none; }
.case3d.smooth { transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1); }
.case3d:focus-visible { outline: none; }
.case3d:focus-visible .front { box-shadow: 0 0 0 2px #fff; }
.face { position: absolute; top: 0; left: 0; display: block; backface-visibility: hidden; }
.face img { width: 100%; height: 100%; object-fit: cover; }

.lid {
  position: absolute; inset: 0; transform-style: preserve-3d; transform-origin: 0 50%;
  transform: translateZ(calc(var(--d) / 2)) rotateY(0deg);
  transition: transform 1s cubic-bezier(0.3, 0.7, 0.2, 1);
}
.case-stage.open .lid { transform: translateZ(calc(var(--d) / 2)) rotateY(-176deg); transition-delay: 0.25s; }
.front, .back, .lid-inside, .tray { width: var(--w); height: var(--h); background: #0a0a0a; overflow: hidden; }
.front { border-radius: 2px 7px 7px 2px; padding: 2.4% 2.6% 2.4% 1.4%; }
.back { transform: rotateY(180deg) translateZ(calc(var(--d) / 2)); border-radius: 7px 2px 2px 7px; padding: 2.4% 1.4% 2.4% 2.6%; }
.front img, .back img { border-radius: 2px; }
.front::after, .back::after { /* clear plastic sleeve: edge highlight + moving glare */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.16) 47%, rgba(255, 255, 255, 0.04) 55%, transparent 65%);
  background-size: 300% 100%; background-position: var(--glare, 70%) 0;
}

/* inside of the front cover: manual held by four clips */
.lid-inside {
  transform: rotateY(180deg) translateZ(0.5px); border-radius: 7px 2px 2px 7px;
  background: radial-gradient(ellipse at 50% 40%, #1a1a1a, #0b0b0b 75%);
  box-shadow: inset 0 0 0 3px #070707, inset 0 0 18px rgba(0, 0, 0, 0.9);
  display: grid; place-items: center;
}
.booklet-in {
  width: 84%; aspect-ratio: 1406 / 2081; padding: 0; border: 0; background: none; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.7); transition: transform 0.25s;
}
.booklet-in:hover, .booklet-in:focus-visible { transform: translateY(-3px) scale(1.02); outline: none; }
.booklet-in img { border-radius: 1px; }
.clip { position: absolute; z-index: 2; width: 12%; height: 2.2%; background: linear-gradient(#2a2a2a, #111); border-radius: 2px; }
.c1 { top: 6%; left: 14%; }
.c2 { top: 6%; right: 14%; }
.c3 { bottom: 6%; left: 14%; }
.c4 { bottom: 6%; right: 14%; }

/* tray: disc on the centre hub */
.tray {
  transform: translateZ(calc(var(--d) / -2 + 1px)); border-radius: 2px 7px 7px 2px;
  background: radial-gradient(circle at 50% 50%, #151515 0 46%, #0c0c0c 47%);
  box-shadow: inset 0 0 0 3px #070707, inset 0 0 18px rgba(0, 0, 0, 0.9);
  display: grid; place-items: center;
}
.disc-in { width: 89%; aspect-ratio: 1; padding: 0; border: 0; background: none; border-radius: 50%; cursor: pointer; }
.disc-in img { border-radius: 50%; box-shadow: 0 0 0 1px #3a3a3a, 0 6px 16px rgba(0, 0, 0, 0.8); }
.disc-in.spinning img { animation: spin-once 1.6s cubic-bezier(0.15, 0.7, 0.25, 1); }
@keyframes spin-once { to { transform: rotate(720deg); } }
.hub {
  position: absolute; left: 50%; top: 50%; width: 11%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%;
  background: repeating-conic-gradient(#262626 0 20deg, #121212 20deg 40deg); box-shadow: 0 0 0 2px #0a0a0a;
}
.case-stage.open .booklet-in, .case-stage.open .disc-in { pointer-events: auto; }

.spine, .side { width: var(--d); height: var(--h); left: calc((var(--w) - var(--d)) / 2); }
.spine { transform: rotateY(-90deg) translateZ(calc(var(--w) / 2)); background: #0a0a0a; padding: 5px 1px; border-radius: 3px; }
.spine::after { /* rounded plastic spine */
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.55), rgba(255, 255, 255, 0.1) 45%, rgba(0, 0, 0, 0.45));
}
.side { transform: rotateY(90deg) translateZ(calc(var(--w) / 2)); background: linear-gradient(90deg, #050505, #1b1b1b 30%, #0b0b0b 55%, #1b1b1b 80%, #050505); }
.edge-top, .edge-bottom { width: var(--w); height: var(--d); top: calc((var(--h) - var(--d)) / 2); background: linear-gradient(90deg, #080808, #161616); }
.edge-top { transform: rotateX(90deg) translateZ(calc(var(--h) / 2)); }
.edge-bottom { transform: rotateX(-90deg) translateZ(calc(var(--h) / 2)); }
.stage-hint { margin: 40px 0 0; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: #6b6b6b; }
.case-stage.open .stage-hint { margin-top: 8px; }
.case-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 16px; cursor: default; }
.btn.small { padding: 9px 18px; font-size: 0.72rem; }

/* Manual reader: two-page spreads, pages turn in 3D */
.reader { border: 0; padding: 0; margin: 0; width: 100vw; height: 100vh; max-width: none; max-height: none; background: transparent; color: var(--text); overflow: hidden; }
.reader[open] { display: grid; grid-template-rows: 1fr auto; place-items: center; }
.reader::backdrop { background: rgba(0, 0, 0, 0.92); }
.reader-close { position: absolute; top: 16px; right: 20px; z-index: 5; width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.4); background: none; color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.reader-close:hover { background: #fff; color: #000; }
.book {
  --pw: min(42vw, calc((100vh - 150px) * 1406 / 2081)); --ph: calc(var(--pw) * 2081 / 1406);
  position: relative; width: calc(var(--pw) * 2); height: var(--ph); margin-top: 24px;
  perspective: 2600px; transform-style: preserve-3d; transition: transform 0.7s cubic-bezier(0.3, 0.7, 0.2, 1); touch-action: pan-y; user-select: none;
}
.book.at-start { transform: translateX(calc(var(--pw) * -0.5)); }
.book.at-end { transform: translateX(calc(var(--pw) * 0.5)); }
.leaf {
  position: absolute; left: 50%; top: 0; width: var(--pw); height: var(--ph); cursor: pointer;
  transform-origin: 0 50%; transform-style: preserve-3d;
  transform: rotateY(0deg) translateZ(calc((var(--n) - var(--i)) * 0.4px));
  transition: transform 0.9s cubic-bezier(0.3, 0.6, 0.2, 1);
}
.leaf.turned { transform: rotateY(-180deg) translateZ(calc((var(--i) + 1) * -0.4px)); }
.pg { position: absolute; inset: 0; backface-visibility: hidden; background: #151515; overflow: hidden; }
.pg img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
.pg.b { transform: rotateY(180deg); }
.pg::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.pg.f::after { background: linear-gradient(90deg, rgba(0, 0, 0, 0.35), transparent 8%); }
.pg.b::after { background: linear-gradient(270deg, rgba(0, 0, 0, 0.35), transparent 8%); }
.reader-bar { display: flex; align-items: center; gap: 20px; padding: 20px 0 28px; }
.reader-bar button { width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.4); background: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
.reader-bar button:hover:not(:disabled) { background: #fff; color: #000; }
.reader-bar button:disabled { opacity: 0.3; cursor: default; }
.reader-count { min-width: 9em; text-align: center; font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }

.specs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.specs li { padding: 24px 16px 0 0; color: #d6d6d6; }
.specs b { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }

/* Sign-up */
.list { padding: 80px 0; background: linear-gradient(180deg, #120709, var(--bg)); }
.list-in { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.list-text p:not(.eyebrow) { color: #bdbdbd; max-width: 28em; }
.signup { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }
.field input, .field select {
  font: 400 1rem var(--font); letter-spacing: 0; color: var(--text); background: transparent;
  border: 0; border-bottom: 1px solid #555; border-radius: 0; padding: 10px 0; width: 100%;
}
.field select option { background: var(--panel); }
.field input:focus, .field select:focus { outline: none; border-bottom-color: #fff; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 0.88rem; color: var(--dim); }
.consent input { margin-top: 4px; width: 16px; height: 16px; accent-color: #fff; }
.signup .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.msg { margin: 0; min-height: 1.5em; font-size: 0.95rem; }
.msg.ok { color: #fff; }
.msg.err { color: #ff6b6b; }

/* How it works */
.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
#how .steps { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 40px; border-top: 0; }
.steps li { display: flex; gap: 24px; padding: 24px 0; border-top: 1px solid var(--line); }
.steps span { font-size: 2rem; font-weight: 200; color: var(--dim); line-height: 1; width: 48px; flex: none; }
.steps h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.steps p { margin: 0; color: var(--dim); }

/* Developers */
.devs { padding: 88px 0; text-align: center; background: radial-gradient(ellipse at 50% 120%, #2a1215, #000 60%); border-top: 1px solid var(--line); }
.devs-in p { max-width: 36em; margin: 0 auto 32px; color: #cfcfcf; }

/* Footer */
footer { background: #000; border-top: 1px solid var(--line); }
.foot-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-top: 56px; padding-bottom: 40px; }
.foot-brand img { height: 22px; width: auto; margin-bottom: 12px; }
.foot-brand p { margin: 0; color: var(--dim); font-size: 0.9rem; }
footer h4 { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); font-weight: 600; margin-bottom: 14px; }
.foot-cols a { display: block; text-decoration: none; color: #d6d6d6; font-size: 0.9rem; margin-bottom: 8px; }
.foot-cols a:hover { color: #fff; }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 28px; color: #6b6b6b; font-size: 0.8rem; }

/* Plain text pages (privacy, unsubscribe) */
.doc { max-width: 44em; margin: 0 auto; padding: 96px 24px; }
.doc h1, .doc h2 { font-size: 2.2rem; font-weight: 300; text-transform: uppercase; letter-spacing: 0.02em; }
.doc p { color: #bdbdbd; }

@media (prefers-reduced-motion: reduce) {
  .disc, .slide-bg { animation: none; transition: none; }
}

@media (max-width: 980px) {
  .catalogue { grid-template-columns: repeat(2, 1fr); }
  .feature, .list-in { grid-template-columns: 1fr; gap: 40px; }
  #how .steps { grid-template-columns: 1fr; }
  .feature.flip .feature-img { order: 0; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .foot-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .block { padding: 56px 16px; }
  .menu-btn { display: block; }
  .top nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #0b0b0b; border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
  }
  .top nav.open { display: flex; }
  .top nav a:not(.btn-line) { padding: 16px 0; border-bottom: 1px solid var(--line); }
  .top nav .btn-line { margin-top: 16px; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hero { height: 82vh; min-height: 560px; }
  .slide::after { background: linear-gradient(0deg, rgba(0, 0, 0, 0.95) 10%, rgba(0, 0, 0, 0.3) 60%, transparent); }
  .slide-in { padding-bottom: 48px; }
  .arrow { display: none; }
  .btn { padding: 15px 24px; }
  .edition { padding: 56px 0; }
  .feature { margin-bottom: 48px; }
  .list, .devs { padding: 56px 0; }
  .doc { padding: 64px 16px; }
}