/* /development (Features/DevelopmentPage). Ported from the approved mockup,
   docs/superpowers/specs/2026-10-13-development-mock/mock.css. Every class starts with dv-. */

/* ---------- tokens ---------- */
.dv {
    --dv-orange: #FF6200;
    --dv-orange-ink: #B83E00;
    --dv-crimson: #99083C;
    --dv-grad: linear-gradient(89.96deg, #99083C 0.04%, #FF6200 101.28%);
    --dv-ink: #171717;
    --dv-body: rgba(23, 23, 23, 0.72);
    --dv-soft: rgba(23, 23, 23, 0.58);
    --dv-line: #E9E6E3;
    --dv-peach: #FFD9C0;
    --dv-tint: #FFF1E7;
    --dv-grey: #F3F4F6;
    --dv-dark: #18181B;
    --dv-ease: cubic-bezier(0.16, 1, 0.3, 1);
    font-family: 'Rubik', ui-sans-serif, system-ui, sans-serif;
    color: var(--dv-ink);
}
.dv ::selection { background: var(--dv-orange); color: #fff; }
.dv a:focus-visible, .dv button:focus-visible, .dv summary:focus-visible {
    outline: 2px solid var(--dv-orange);
    outline-offset: 3px;
    border-radius: 8px;
}
.dv-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
/* the page's own line icons; the site's filled icons (logo, socials, stars) keep their own fill */
.dv-i { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

.dv-h2 {
    margin: 0;
    font-size: clamp(30px, 3.4vw, 46px);
    line-height: 1.1;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--dv-ink);
    text-wrap: balance;
}
.dv-h2--light { color: #fff; }

.dv-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--dv-orange-ink); font-weight: 500;
    text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px;
}
.dv-link svg { width: 18px; height: 18px; transition: transform .3s var(--dv-ease); }
.dv-link:hover svg { transform: translateX(3px); }

/* ---------- buttons ---------- */
.dv-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    height: 52px; padding: 0 26px; border-radius: 16px;
    font: 500 16px/1 'Rubik', sans-serif; white-space: nowrap; cursor: pointer;
    transition: transform .3s var(--dv-ease), filter .3s var(--dv-ease), background-color .3s, border-color .3s;
}
.dv-btn svg { width: 18px; height: 18px; }
.dv-btn--primary {
    color: #fff; background: var(--dv-grad);
    box-shadow: 0 12px 28px -12px rgba(255, 98, 0, 0.65);
}
.dv-btn--primary:hover { transform: translateY(-1px); filter: brightness(1.08); }
.dv-btn--ghost {
    color: #fff; border: 1px solid rgba(255, 255, 255, 0.38); background: rgba(255, 255, 255, 0.04);
}
.dv-btn--ghost:hover { border-color: rgba(255, 255, 255, 0.7); background: rgba(255, 255, 255, 0.08); }
.dv-btn--text { color: #E4E4E7; background: none; border: 0; padding: 0 8px; }
.dv-btn--text:hover { color: #fff; }
.dv-play {
    display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.45);
}
.dv-play svg { width: 14px; height: 14px; fill: currentColor; stroke: none; margin-left: 2px; }

/* ---------- 1. hero ---------- */
.dv-hero-video {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none;
    transform: scale(1.15);
    filter: blur(9px) saturate(0.8) brightness(0.75);
    opacity: 0; transition: opacity 1.6s var(--dv-ease);
}
.dv-hero-video.is-playing { opacity: 1; }
.dv-hero-shade {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.42) 38%, rgba(0,0,0,.78) 100%);
}
.dv-hero-inner { width: 100%; max-width: 1000px; margin: 0 auto; text-align: center; padding-top: 24px; }
.dv-h1 {
    margin: 0; font-size: clamp(34px, 5.4vw, 66px); line-height: 1.05; letter-spacing: -0.025em;
    text-wrap: balance;
}
.dv-h1-a { display: block; font-weight: 400; color: #B9B9C0; }
.dv-h1-b { display: block; margin-top: 0.14em; font-weight: 600; color: #fff; }
.dv-lede {
    max-width: 680px; margin: 28px auto 0;
    font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; color: #D6D6DB;
}
.dv-meter {
    display: flex; align-items: center; gap: 18px; text-align: left;
    max-width: 620px; margin: 36px auto 0; padding: 18px 24px;
    background: rgba(10, 10, 10, 0.66); border: 1px solid rgba(255, 98, 0, 0.5); border-radius: 18px;
    box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.8);
}
.dv-meter-icon { flex: none; width: 34px; height: 34px; color: var(--dv-orange); }
.dv-meter-title { margin: 0; font-size: 21px; line-height: 1.3; font-weight: 600; color: #fff; }
.dv-meter-text { margin: 4px 0 0; font-size: 16px; line-height: 1.5; color: #D6D6DB; }
.dv-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 14px; margin-top: 36px; }
.dv-socials { margin-top: 44px; }
/* the hero grows with its content on desktop; keep the social icons clear of its bottom edge
   (phones and tablets get 4rem from input.css's .page-hero > main rule) */
@media (min-width: 1024px) {
    .dv-hero-inner { padding-bottom: 96px; }
}
.dv-socials .mb-8 { margin-bottom: 0; }
.dv-white { background: #fff; }

/* ---------- 2 + 3. white sheet ---------- */
.dv-sheet-wrap { background: #000; }
.dv-sheet {
    background: #fff; border-radius: 80px 80px 0 0;
    padding: 112px 24px 128px;
}
.dv-wall { max-width: 720px; margin: 0 auto; }
.dv-wall p { margin: 22px 0 0; font-size: 19px; line-height: 1.7; color: var(--dv-body); }
.dv-wall p:first-of-type { margin-top: 28px; }
.dv-wall em { color: var(--dv-ink); }
.dv-wall strong { color: var(--dv-ink); font-weight: 600; }

/* the two tracks */
.dv-tracks { max-width: 1100px; margin: 88px auto 0; display: grid; gap: 44px; }
.dv-track { display: grid; grid-template-columns: 96px 1fr; align-items: start; }
.dv-track-label { margin: 0; padding-top: 2px; font-size: 15px; font-weight: 600; color: var(--dv-soft); }
.dv-track--now .dv-track-label { color: var(--dv-orange-ink); }
.dv-line {
    position: relative; display: grid; grid-template-columns: repeat(7, 1fr);
    margin: 0; padding: 0; list-style: none;
}
.dv-line::before {
    content: ""; position: absolute; top: 9px; height: 2px;
    left: calc(100% / 14);
}
.dv-track--before .dv-line::before {
    right: calc(100% / 7 * 2 + 100% / 14 * 2);
    background: repeating-linear-gradient(90deg, #C9C9CE 0 8px, transparent 8px 14px);
}
.dv-track--now .dv-line::before {
    right: calc(100% / 14);
    background: linear-gradient(90deg, var(--dv-orange) 0 70%, var(--dv-peach) 78% 100%);
}
.dv-node { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.dv-dot {
    position: relative; z-index: 1; width: 20px; height: 20px; border-radius: 50%;
    background: var(--dv-orange); border: 4px solid #fff; box-shadow: 0 0 0 1px rgba(255, 98, 0, 0.35);
}
.dv-track--before .dv-dot { background: #A1A1AA; box-shadow: 0 0 0 1px #D4D4D8; }
.dv-dot--small { width: 14px; height: 14px; margin-top: 3px; border-width: 3px; }
.dv-node--client .dv-dot { background: var(--dv-peach); box-shadow: 0 0 0 1px #F5B990; }
.dv-node-name { margin-top: 12px; font-size: 16px; font-weight: 500; color: var(--dv-ink); }
.dv-node-note { margin-top: 2px; font-size: 14px; color: var(--dv-soft); }
.dv-node--coding { grid-column: 2 / span 3; }
.dv-bar {
    position: relative; z-index: 1; width: 100%; height: 20px; border-radius: 10px;
    background: repeating-linear-gradient(135deg, #E4E4E7 0 10px, #D4D4D8 10px 20px);
}
.dv-node--wall { align-items: center; }
.dv-wallmark { position: relative; z-index: 1; width: 8px; height: 44px; margin-top: -12px; border-radius: 3px; background: #71717A; }
.dv-node--wall .dv-node-name { margin-top: 8px; font-style: italic; font-weight: 600; }

/* stages: development-page.js sets --dv-track-h and --dv-after on .dv-stages and the fill's height */
.dv-stages-head { max-width: 720px; margin: 152px auto 0; text-align: center; }
.dv-stages-head p { margin: 18px 0 0; font-size: 19px; line-height: 1.65; color: var(--dv-body); }
.dv-stages { position: relative; max-width: 1120px; margin: 80px auto 0; }
.dv-stages-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 72px; }
.dv-stages::before {
    content: ""; position: absolute; top: 18px; bottom: 0; left: 50%; width: 4px; margin-left: -2px;
    border-radius: 2px; background: #F1EEEC;
}
.dv-stages-fill {
    position: absolute; top: 18px; left: 50%; width: 4px; margin-left: -2px; border-radius: 2px;
    height: var(--dv-fill-h, 0px);
    background: linear-gradient(180deg, var(--dv-orange) 0, var(--dv-orange) var(--dv-after, 80%), var(--dv-peach) var(--dv-after, 80%));
    background-size: 100% var(--dv-track-h, 100%); background-repeat: no-repeat;
}
.dv-stage { position: relative; display: grid; grid-template-columns: 1fr 96px 1fr; }
.dv-stage-dot {
    grid-column: 2; grid-row: 1; justify-self: center; position: relative; z-index: 1;
    display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
    font-size: 17px; font-weight: 600; color: var(--dv-soft);
    background: #fff; border: 2px solid #E4E0DD;
    transition: color .5s var(--dv-ease), border-color .5s var(--dv-ease), background .5s var(--dv-ease), box-shadow .5s var(--dv-ease);
}
.dv-stage.is-on .dv-stage-dot {
    /* border-box: the gradient runs under the transparent border too, so the circle fills edge to edge */
    color: #fff; border-color: transparent; background: var(--dv-grad) border-box;
    box-shadow: 0 10px 24px -10px rgba(255, 98, 0, 0.8);
}
.dv-stage-dot--after { width: 22px; height: 22px; margin-top: 9px; }
.dv-stage--after.is-on .dv-stage-dot { background: var(--dv-peach); box-shadow: none; }
.dv-stage-body { grid-row: 1; max-width: 500px; padding-top: 4px; }
.dv-stage--right .dv-stage-body { grid-column: 3; }
.dv-stage--left .dv-stage-body { grid-column: 1; justify-self: end; }
.dv-stage h3 { margin: 0; font-size: 26px; line-height: 1.25; font-weight: 600; letter-spacing: -0.01em; text-wrap: balance; }
.dv-stage-body > p { margin: 14px 0 0; font-size: 17px; line-height: 1.7; color: var(--dv-body); }
.dv-stage-body a, .dv-faq a, .dv-proof a { color: var(--dv-orange-ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.dv-get {
    margin-top: 20px; padding: 14px 18px; border-radius: 14px;
    background: #FAF9F8; border: 1px solid var(--dv-line);
}
.dv-get-label { margin: 0 0 2px; font-size: 14px; font-weight: 600; color: var(--dv-ink); }
.dv-get p:last-child { margin: 0; font-size: 16px; line-height: 1.55; color: var(--dv-body); }
.dv-decide { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.dv-chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px;
    font-size: 14px; font-weight: 500; line-height: 1.2;
}
.dv-chip svg { width: 14px; height: 14px; flex: none; }
.dv-chip--go { background: var(--dv-tint); color: var(--dv-orange-ink); }
.dv-chip--stop { background: #F4F4F5; color: #3F3F46; }
.dv-decide-note { margin: 10px 0 0; font-size: 15px; font-style: italic; color: var(--dv-soft); }
.dv-stage--after h3 { font-size: 22px; }

/* ---------- 4 + 5. grey band ---------- */
.dv-grey { background: var(--dv-grey); padding: 120px 24px; }
/* copy only while the screenshot is out; with it back: display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; */
.dv-proof { max-width: 1240px; margin: 0 auto; }
.dv-proof-copy p { margin: 22px 0 0; font-size: 19px; line-height: 1.7; color: var(--dv-body); max-width: 46ch; }
.dv-proof-copy .dv-fine { margin-top: 28px; font-size: 14px; line-height: 1.6; color: var(--dv-soft); }
.dv-window {
    position: relative; border-radius: 18px; overflow: hidden; background: #0E0E10; border: 1px solid #26262B;
    box-shadow: 0 40px 80px -36px rgba(0, 0, 0, 0.55), 0 8px 18px -10px rgba(0, 0, 0, 0.3);
}
.dv-window-bar { display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px; background: #17171A; border-bottom: 1px solid #26262B; }
.dv-window-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3F3F46; }
.dv-window-bar p { margin: 0 0 0 10px; font-size: 13px; color: #A1A1AA; }
.dv-shot { display: block; width: 100%; height: auto; }

.dv-slab {
    max-width: 1240px; margin: 120px auto 0; padding: 88px 80px; border-radius: 40px; background: var(--dv-dark);
    display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start;
    box-shadow: 0 40px 80px -48px rgba(0, 0, 0, 0.6);
}
.dv-slab .dv-h2 { font-size: clamp(34px, 3.8vw, 52px); }
.dv-reasons { margin: 0; padding: 0; list-style: none; }
.dv-reasons li {
    display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 24px 0;
    border-top: 1px solid #2E2E34;
}
.dv-reasons li:first-child { border-top: 0; padding-top: 4px; }
.dv-reasons svg { width: 26px; height: 26px; color: var(--dv-orange); margin-top: 2px; }
.dv-reasons p { margin: 0; font-size: 17px; line-height: 1.6; color: #A1A1AA; }
.dv-reasons .dv-reason-title { margin-bottom: 4px; font-size: 21px; font-weight: 600; color: #fff; }

/* ---------- 6. coding door ---------- */
.dv-coding {
    max-width: 1240px; margin: 0 auto; padding: 128px 24px;
    display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start;
}
.dv-coding-copy .dv-h2 { font-size: clamp(28px, 3vw, 40px); }
.dv-coding-copy p { margin: 20px 0 0; font-size: 18px; line-height: 1.7; color: var(--dv-body); max-width: 48ch; }
.dv-coding-copy .dv-link { margin-top: 26px; }
.dv-types { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
.dv-types li { display: grid; grid-template-columns: 32px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--dv-line); }
.dv-types li:nth-child(-n+2) { border-top: 0; padding-top: 4px; }
.dv-types li > svg { width: 32px; height: 32px; }
.dv-types p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--dv-soft); }
.dv-types .dv-type-name { margin-bottom: 4px; font-size: 18px; font-weight: 600; color: var(--dv-ink); }

/* ---------- 8. FAQ ---------- */
.dv-faq { max-width: 880px; margin: 0 auto; padding: 120px 24px; }
.dv-faq .dv-h2 { text-align: center; }
.dv-faq-list { margin-top: 48px; border-top: 1px solid var(--dv-line); }
.dv-faq details { border-bottom: 1px solid var(--dv-line); }
.dv-faq summary {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 24px 4px; list-style: none; cursor: pointer;
    font-size: 20px; line-height: 1.4; font-weight: 500; color: var(--dv-ink);
}
.dv-faq summary::-webkit-details-marker { display: none; }
.dv-faq summary:hover { color: var(--dv-orange-ink); }
.dv-plus {
    position: relative; flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid #D9D5D1;
    transition: transform .4s var(--dv-ease), border-color .3s, background .3s;
}
.dv-plus::before, .dv-plus::after {
    content: ""; position: absolute; top: 50%; left: 50%; width: 12px; height: 1.75px; margin: -0.9px 0 0 -6px;
    background: currentColor; border-radius: 1px;
}
.dv-plus::after { transform: rotate(90deg); }
.dv-faq details[open] .dv-plus { transform: rotate(45deg); border-color: var(--dv-orange); color: var(--dv-orange-ink); background: var(--dv-tint); }
.dv-faq details p { margin: 0; padding: 0 60px 26px 4px; font-size: 17px; line-height: 1.7; color: var(--dv-body); max-width: 70ch; }

/* ---------- 9. start boxes ---------- */
.dv-start { background: var(--dv-grey); padding: 120px 24px 128px; }
.dv-start > .dv-h2 { text-align: center; }
.dv-boxes { max-width: 1180px; margin: 56px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dv-box {
    position: relative; display: flex; flex-direction: column; padding: 36px 32px 32px; border-radius: 24px; overflow: hidden;
    background: #fff; border: 1px solid #E7E5E4; color: var(--dv-ink);
    box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.25);
    transition: transform .4s var(--dv-ease), box-shadow .4s var(--dv-ease);
}
.dv-box:hover { transform: translateY(-3px); box-shadow: 0 28px 50px -28px rgba(153, 8, 60, 0.35); }
.dv-box-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--dv-tint); color: var(--dv-orange); }
.dv-box-icon svg { width: 28px; height: 28px; }
.dv-box h3 { margin: 24px 0 0; font-size: 24px; line-height: 1.25; font-weight: 600; }
.dv-box p { margin: 12px 0 0; font-size: 17px; line-height: 1.6; color: var(--dv-body); }
.dv-box p { margin-bottom: 28px; }
.dv-box-btn { margin-top: auto; align-self: flex-start; }
.dv-box:hover .dv-box-btn svg { transform: translateX(3px); }
.dv-box-btn svg { transition: transform .3s var(--dv-ease); }
.dv-start-coding { margin: 40px 0 0; text-align: center; font-size: 17px; color: var(--dv-body); }

/* ---------- intro dialog ---------- */
.dv-dialog {
    width: min(960px, 92vw); padding: 0; border: 0; border-radius: 18px; overflow: visible; background: #000;
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8);
}
.dv-dialog::backdrop { background: rgba(8, 8, 10, 0.78); }
.dv-dialog-frame { aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; }
.dv-dialog-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.dv-dialog-close {
    position: absolute; top: -52px; right: 0; display: grid; place-items: center; width: 40px; height: 40px;
    border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.4); background: rgba(0, 0, 0, 0.4); color: #fff; cursor: pointer;
}
.dv-dialog-close svg { width: 18px; height: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 1023.98px) {
    .dv-slab, .dv-coding { grid-template-columns: 1fr; gap: 48px; }
    .dv-slab { padding: 64px 40px; }
    .dv-boxes { grid-template-columns: 1fr; max-width: 560px; }

    .dv-stages-list { gap: 56px; }
    .dv-stages::before, .dv-stages-fill { left: 20px; }
    .dv-stage { grid-template-columns: 40px 1fr; column-gap: 20px; }
    .dv-stage-dot { grid-column: 1; }
    .dv-stage--right .dv-stage-body, .dv-stage--left .dv-stage-body { grid-column: 2; justify-self: start; }
    .dv-stage-dot--after { justify-self: center; }
}
@media (max-width: 767.98px) {
    .dv-sheet { border-radius: 40px 40px 0 0; padding: 72px 20px 96px; }
    .dv-grey, .dv-start { padding: 80px 20px; }
    .dv-coding, .dv-faq { padding: 88px 20px; }
    .dv-slab { margin-top: 80px; padding: 48px 24px; border-radius: 28px; }
    .dv-types { grid-template-columns: 1fr; }
    .dv-types li:nth-child(2) { border-top: 1px solid var(--dv-line); padding-top: 22px; }
    /* phones: the buttons come before the meter panel so they sit in the first screen */
    .dv-hero-inner { display: flex; flex-direction: column; align-items: center; padding-top: 0; }
    .dv-h1 { order: 1; font-size: 31px; }
    .dv-lede { order: 2; margin-top: 18px; font-size: 16px; }
    .dv-actions { order: 3; width: 100%; margin-top: 24px; gap: 10px; }
    .dv-meter { order: 4; margin-top: 28px; padding: 16px 18px; gap: 14px; }
    .dv-socials { order: 5; margin-top: 28px; }
    .dv-meter-title { font-size: 19px; }
    .dv-actions .dv-btn--primary, .dv-actions .dv-btn--ghost { flex: 1 1 100%; max-width: 360px; }
    .dv-faq summary { font-size: 18px; padding: 20px 0; }
    .dv-faq details p { padding-right: 0; }

    /* the two tracks turn vertical */
    .dv-tracks { margin-top: 64px; gap: 36px; }
    .dv-track { grid-template-columns: 1fr; gap: 16px; }
    .dv-line { grid-template-columns: 1fr; gap: 18px; }
    .dv-line::before { top: 10px; bottom: 10px; left: 9px; right: auto !important; width: 2px; height: auto; }
    .dv-track--before .dv-line::before { bottom: 40px; background: repeating-linear-gradient(180deg, #C9C9CE 0 8px, transparent 8px 14px); }
    .dv-track--now .dv-line::before { background: linear-gradient(180deg, var(--dv-orange) 0 68%, var(--dv-peach) 80% 100%); }
    .dv-node { flex-direction: row; align-items: center; gap: 14px; text-align: left; }
    .dv-node-name { margin-top: 0; }
    .dv-node-note { margin-top: 0; }
    .dv-node--code .dv-dot--small { margin: 0 3px; }
    .dv-node--coding { grid-column: auto; }
    .dv-bar { flex: none; width: 20px; height: 88px; background: repeating-linear-gradient(45deg, #E4E4E7 0 8px, #D4D4D8 8px 16px); }
    .dv-node-note::before { content: "· "; }
    .dv-node--wall .dv-wallmark { width: 36px; height: 8px; margin: 0 -8px; }
    .dv-node--wall .dv-node-name { margin-top: 0; }
}