/* Tutorial post template (v2 prototype).
   Layout: sticky rail on the left (intro that collapses into a companion with TOC),
   one reading column on the right that starts with the video. */

.tut{--rail:300px;--accent:var(--mint);--post-marker:var(--marker-yellow)}
.tut .rail-title h1 span{--hl-img:var(--post-marker)}
.tut .breadcrumbs{width:min(1296px,90%);margin:25px auto 0;display:flex;gap:11px;font-size:13px}
.tut .breadcrumbs a{text-decoration:underline;text-underline-offset:4px}

.tut-wrap{width:min(1296px,90%);margin:34px auto 0;display:grid;grid-template-columns:clamp(var(--rail),28vw,380px) minmax(0,1fr);column-gap:clamp(40px,6vw,96px);align-items:start}

/* ---------- Rail ---------- */
.tut-rail{position:sticky;top:100px;display:grid;gap:0;background:#f0ede2;border-radius:24px;padding:16px 16px 24px}
.rail-thumb{position:relative;margin:0 0 30px;background:var(--accent);border-radius:22px;padding:8px}
.rail-thumb>img{display:block;width:100%;aspect-ratio:16/9;max-height:240px;object-fit:cover;border-radius:15px}

.rail-title{padding:0 6px}
/* spacing rhythm: photo | title + meta (tight) | button (air around it) | tags (quiet, after a rule) */
.rail-title h1{font-size:clamp(38px,3.3vw,50px);letter-spacing:-.045em;line-height:1.03;margin:0}
.rail-pills{position:absolute;left:18px;top:18px;right:18px;display:flex;flex-wrap:wrap;gap:6px}
.rail-pill{display:inline-flex;align-items:center;gap:6px;background:var(--cream);border-radius:20px;padding:7px 11px 7px 9px;font-size:12px;font-weight:600;line-height:1;box-shadow:0 4px 12px #2024281a}
/* difficulty: 3 dots, filled up to data-level (1 easy, 2 medium, 3 tricky) */
.level{display:inline-flex;gap:3px}
.rail-pill-level{position:relative;padding:9px 11px;cursor:help;outline:none}
.pill-tip{position:absolute;left:50%;top:calc(100% + 8px);transform:translate(-50%,4px);background:var(--ink);color:#fff;font-size:12px;font-weight:500;white-space:nowrap;padding:7px 10px;border-radius:9px;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:4}
.pill-tip:after{content:'';position:absolute;left:50%;bottom:100%;transform:translateX(-50%);border:6px solid transparent;border-bottom-color:var(--ink)}
.rail-pill-level:hover .pill-tip,.rail-pill-level:focus-visible .pill-tip{opacity:1;transform:translate(-50%,0)}
.rail-pill-level:focus-visible{box-shadow:0 0 0 2px var(--ink)}
.level i{width:7px;height:7px;border-radius:50%;border:1.5px solid var(--ink)}
.level[data-level="1"] i:nth-child(-n+1),.level[data-level="2"] i:nth-child(-n+2),.level[data-level="3"] i{background:var(--ink)}
.rail-download{margin-top:30px}
.rail-ico{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.rail-tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:20px 6px 0;padding:14px 0 0;border-top:1px solid #20242822}
.rail-tags a{display:inline-block;font-size:12px;line-height:1;padding:7px 11px;border-radius:30px;border:1px solid #20242835;transition:background .2s,color .2s,border-color .2s}
.rail-tags a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.rail-download{display:inline-flex;align-items:center;justify-self:start;width:auto;gap:12px;padding:13px 20px 13px 22px;font-size:14px}
.dl-ico{width:16px;height:16px;flex:none;display:block;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Progress bar: shows in the collapsed rail; colour follows the current part (mint when there are no parts) */
.prog{position:relative;display:none;padding:8px 0;cursor:pointer;touch-action:manipulation;outline:none}
.prog-track{height:10px;border-radius:10px;background:#20242812;overflow:hidden;position:relative}
.prog-fill{position:absolute;inset:0 auto 0 0;width:0;border-radius:10px;background:var(--partcol,#51f4d8);transition:width .35s ease,background-color .35s ease}
.prog-fill:after{content:'';position:absolute;right:2px;top:2px;width:6px;height:6px;border-radius:50%;background:#fff;opacity:.9}
.prog-marker{position:absolute;top:50%;width:3px;height:16px;margin-top:-8px;background:var(--ink);border-radius:2px;opacity:0;transform:translateX(-50%);pointer-events:none;transition:opacity .15s}
.prog-tip{position:absolute;top:calc(100% + 6px);z-index:5;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:12px;line-height:1.3;white-space:nowrap;padding:7px 10px;border-radius:9px;opacity:0;pointer-events:none;transition:opacity .15s}
.prog-tip b{font-family:Rubik,sans-serif;font-weight:600}
.prog-tip:after{content:'';position:absolute;left:50%;bottom:100%;transform:translateX(-50%);border:6px solid transparent;border-bottom-color:var(--ink)}
.prog:hover .prog-tip,.prog.show-tip .prog-tip{opacity:1}
.prog:hover .prog-marker{opacity:.5}
.prog:focus-visible .prog-track{outline:2px solid var(--ink);outline-offset:3px}

/* Collapsed companion (set by tutorial.js once the video has scrolled past) */
.tut-rail.is-compact{grid-template-columns:88px 1fr;column-gap:14px;align-items:center}
.tut-rail.is-compact .rail-thumb{margin:0;padding:4px;border-radius:14px}
.tut-rail.is-compact .rail-thumb>img{aspect-ratio:1;border-radius:10px}
.tut-rail.is-compact .rail-pills,.tut-rail.is-compact .rail-tags{display:none}
.tut-rail.is-compact .rail-title h1{font-size:21px;letter-spacing:-.02em;line-height:1.15}
.tut-rail.is-compact .rail-title h1 span{background:none;padding:0;margin:0}
.tut-rail.is-compact .rail-download,.tut-rail.is-compact .prog{grid-column:1/-1}
.tut-rail.is-compact .rail-download{margin-top:20px}
.tut-rail.is-compact .prog{display:block;margin:20px 6px 2px}

/* ---------- Reading column ---------- */
.tut-body{min-width:0}
.tut-section{scroll-margin-top:100px}
.tut-section+.tut-section{margin-top:84px}
.tut-section>.eyebrow{margin-bottom:14px}
.tut-section h2{font-size:clamp(30px,3vw,40px);letter-spacing:-.035em;line-height:1.08;margin:0 0 16px}
.tut-section>p{font-size:18px;line-height:1.65;margin:0 0 18px}

.video-embed{position:relative;aspect-ratio:16/9;border-radius:20px;overflow:hidden;background:var(--ink)}
/* the YouTube player rounds its picture to whole pixels, so at a fractional width a 1px black line showed on the sides:
   the player is 2px bigger on every side and the rounded box crops it (15.10.2026) */
.video-embed iframe{position:absolute;inset:-2px;display:block;width:calc(100% + 4px);height:calc(100% + 4px);border:0}
.video-yt{margin:12px 2px 0;font-size:14px;text-align:right}
.video-yt .soft-link{font-weight:600}
/* end of post: subscribe + save */
.made-it{margin-top:84px;padding-top:44px;border-top:1px solid #20242820}
.made-it h2{margin:0 0 10px}
.made-it p{margin:0 0 22px;font-size:17px;color:#45484b}
.made-it-links{display:flex;flex-wrap:wrap;gap:12px}
.intro{margin-top:30px}
.intro p{font-size:18px;line-height:1.65;margin:0 0 14px}
.intro p a{font-weight:600;background:var(--marker-mint) no-repeat 0 92%/100% .45em}

.needs{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:26px;align-items:start}
.needs-title{font:600 12px/1 'DM Sans',sans-serif;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
.materials{list-style:none;padding:0;margin:0;display:grid;gap:9px}
/* bullet: small filled rounded square, same family as the step-number squares */
.materials li{position:relative;padding-left:22px;font-size:16px;line-height:1.45}
.materials li:before{content:'';position:absolute;left:0;top:.42em;width:9px;height:9px;border-radius:3px;background:var(--yellow)}
.materials b{font-weight:400}
.materials .qty{font-size:15px;font-weight:600;color:#6b6d6e;margin-left:6px;white-space:nowrap}

.template-card{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center;margin-top:34px;background:#dffaf3;border-radius:18px;padding:16px 24px 16px 16px}
.template-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;display:block}
.template-card strong{font:600 18px/1.25 Rubik,sans-serif}
.template-card p{margin:6px 0 12px;font-size:15px;line-height:1.5}
.grownup-note{margin-top:28px;background:#ffeaa9;border-radius:18px;padding:18px 22px}
.grownup-note strong{font:600 17px/1.3 Rubik,sans-serif}
.grownup-note p{margin:6px 0 0;font-size:16px;line-height:1.55}
.template-card a{font-size:14px;font-weight:600;border-bottom:1px solid;padding-bottom:3px}

/* Parts and steps */
.part{margin-top:84px;padding-top:40px;border-top:1px solid #20242822;scroll-margin-top:100px}
.part-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
.part-head .eyebrow{margin:0;display:flex;align-items:center;gap:10px}
.part-head .eyebrow:before{content:'';width:22px;height:8px;border-radius:4px;background:var(--part,var(--mint))}
.part h2{font-size:clamp(30px,3vw,40px);letter-spacing:-.035em;margin:0 0 6px}
/* --part = swatch, --part-ink = darker tone of the same hue, ≥3:1 on cream for large text */
.part[data-color=mint]{--part:var(--mint);--part-ink:#0f9c84}
.part[data-color=yellow]{--part:var(--yellow);--part-ink:#a67c00}
.part[data-color=pink]{--part:#ff85d5;--part-ink:#d63f9a}
.part[data-color=lavender]{--part:#b0a3ef;--part-ink:#7a64d8}

.steps{list-style:none;margin:0;padding:0}
.step{scroll-margin-top:100px;padding:44px 0 48px;border-top:1px solid #2024281f}
.step:first-child{border-top:0;padding-top:30px}
.step:last-child{padding-bottom:0}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.step-num{flex:none;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--part,var(--mint));color:var(--ink);font:700 15px/1 Rubik,sans-serif;font-variant-numeric:tabular-nums}
.step h3{font-size:22px;line-height:1.2;letter-spacing:-.015em;margin:0}
.step p{font-size:18px;line-height:1.65;margin:0 0 14px 44px}
.step figure{margin:0}
.step figure>img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:#eadff5}
.step figure.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
/* step photo not shot yet */
.step figure.placeholder{aspect-ratio:16/9;border-radius:16px;border:1.5px dashed #20242833;display:grid;place-items:center;color:#8a8c8e;font-size:14px}
.step figure+p{margin-top:32px}
.step figure+figure{margin-top:10px}
.step .milestone{margin:22px 0 0 44px;text-align:right;font:600 17px/1.4 Rubik,sans-serif;color:var(--part-ink,var(--ink))}
/* the little star twinkles: a quick grow, a turn and a soft fade, then a rest */
.step .milestone:before{content:'✦';display:inline-block;margin-right:8px;font-size:1.2em;line-height:1;vertical-align:-.08em;animation:twinkle 1.6s ease-in-out infinite}
/* twinkles twice in every 1.6 s: a big flash, then a smaller one */
@keyframes twinkle{0%,100%{scale:1;rotate:0deg;opacity:1;text-shadow:none}15%{scale:1.8;rotate:30deg;opacity:.6;text-shadow:0 0 10px currentColor}30%{scale:.9;rotate:-6deg;opacity:1;text-shadow:none}45%{scale:1.4;rotate:15deg;opacity:.75;text-shadow:0 0 6px currentColor}60%{scale:1;rotate:0deg;opacity:1;text-shadow:none}}
@media(prefers-reduced-motion:reduce){.step .milestone:before{animation:none}}

/* Closing */
.tips{list-style:none;padding:0;margin:20px 0 0;border-top:1px solid #20242830}
.tips li{padding:14px 0;border-bottom:1px solid #2024281a;font-size:18px;line-height:1.6}
.tips strong{font-weight:600}

.cubi-moment{margin-top:84px;background:#dbd3f4;border-radius:22px;display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:start;padding:28px}
/* illustration pinned to the top so it stays put when the answer opens */
.cubi-moment img{width:150px}
.cubi-moment .eyebrow{margin-bottom:8px}
.cubi-moment h2{font-size:28px;margin:0 0 6px}
.cubi-moment p{margin:0 0 6px}
.cubi-moment button{background:transparent;border:0;border-bottom:1px solid;padding:4px 0;margin-top:6px}
.cubi-moment #secret-reveal{font-weight:600;background:var(--cream);display:block;width:fit-content;margin:12px 0 0;padding:8px 12px;border-radius:15px}
.cubi-moment #secret-reveal[hidden]{display:none}

/* Related projects */
.related{width:min(1296px,90%);margin:110px auto 70px;background:#f0ede2;border-radius:28px;padding:44px 44px 48px}
.related-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:48px}
.related-head .eyebrow{margin-bottom:12px}
.related-head h2{font-size:clamp(30px,3vw,40px);letter-spacing:-.035em;margin:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tut .more-projects{width:min(1296px,90%);margin:100px auto 60px;padding:60px 0 0;border-top:1px solid #20242822;display:flex;justify-content:space-between;align-items:end;gap:20px}
.tut .more-projects h2{font-size:36px;margin:0}
.tut .soft-link{font-size:14px;border-bottom:1px solid;padding-bottom:5px}

/* Hidden Mini: styles live in mini.css (shared by every page) */
.step figure.has-mini{margin-top:24px}
.step figure.has-mini.peek-bottom{margin-top:0;margin-bottom:24px}

/* Mobile bottom bar (hidden on desktop) */
.tut-bar{display:none}

/* ---------- Tablet / phone ---------- */
@media(max-width:1000px){
  .related{margin-top:80px;padding:34px}
  .related-grid{gap:14px}
  .tut-wrap{display:block}
  .tut-rail,.tut-rail.is-compact{position:static;display:block;background:none;padding:0;border-radius:0}
  .rail-title{padding:0}
  .rail-tags{margin-left:0;margin-right:0}
  .tut-rail.is-compact .rail-thumb{padding:8px;border-radius:22px;margin:0 0 26px}
  .tut-rail.is-compact .rail-thumb>img{aspect-ratio:16/9;border-radius:15px}
  .rail-thumb>img{max-height:none}
  .tut-rail.is-compact .rail-pills,.tut-rail.is-compact .rail-tags{display:flex}
  .tut-rail.is-compact .rail-title h1{font-size:clamp(40px,8vw,56px);letter-spacing:-.045em;line-height:1.03}
  .tut-rail.is-compact .rail-download{margin-top:0;padding:17px 24px}
  .tut-rail .prog,.tut-rail.is-compact .prog{display:none}
  .rail-download{width:auto;display:inline-flex}
  .tut-body{max-width:none;margin-top:56px}
  .tut-section+.tut-section,.part,.cubi-moment{margin-top:64px}

  .tut-bar{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:20;gap:8px;padding:8px;background:var(--cream);border:1px solid #20242820;border-radius:40px;box-shadow:0 10px 30px #20242822;transform:translateY(140%);transition:transform .3s ease}
  .tut-bar.show{transform:none}
  .tut-bar{align-items:center;gap:14px;padding:8px 8px 8px 20px}
  .tut-bar .prog{display:block;flex:1}
  .tut-bar>a{flex:none;display:flex;justify-content:center;align-items:center;border-radius:30px;padding:13px 18px;gap:8px;font-size:14px;font-weight:600;background:var(--ink);color:white}
  .tut footer{padding-bottom:90px}
}
@media(max-width:640px){
  .needs{grid-template-columns:1fr;gap:28px}
  .related{padding:30px 0 32px 20px;border-radius:22px}
  .related-head{flex-direction:column;align-items:flex-start;padding-right:20px}
  .related-grid{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:78%;overflow-x:auto;scroll-snap-type:x mandatory;padding-right:20px;scrollbar-width:none}
  .related-grid::-webkit-scrollbar{display:none}
  .related-grid>.pc{scroll-snap-align:start}
  
  .template-card{grid-template-columns:1fr;padding:14px}
  .step p,.step .milestone{margin-left:0}
  .step figure.pair{grid-template-columns:1fr}
  .cubi-moment{grid-template-columns:1fr;text-align:center}
  .cubi-moment img{margin:auto;width:130px}
  .tut .more-projects{flex-direction:column;align-items:flex-start}
}

@media print{
  header,footer,.made-it,.video-yt,.mini-hint,.mini-hide,.tut-rail .rail-thumb,.rail-download,.prog,.video-embed,.tut-bar,.cubi-moment,.more-projects,.related{display:none!important}
  .tut-wrap{display:block;width:auto;margin:0}
  .tut-rail{position:static}
  .step{break-inside:avoid}
  .tut{background:white}
}
@media(prefers-reduced-motion:reduce){.tut *{transition:none!important}}

/* ---------- Video: cover first, YouTube player only after a click (15.10.2026, privacy + speed) ---------- */
.yt-facade{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;background:var(--ink);cursor:pointer;display:block}
.yt-facade img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1),filter .3s}
.yt-facade:hover img{transform:scale(1.03);filter:brightness(.92)}
.yt-play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:#fffcf3cc;/* cream at 80% */display:grid;place-items:center;box-shadow:0 10px 26px #20242840;transition:transform .25s cubic-bezier(.3,1.5,.5,1)}
.yt-play svg{width:42px;height:42px;margin-left:5px;fill:var(--ink)}
.yt-facade:hover .yt-play{transform:scale(1.08)}
.yt-note{position:absolute;left:16px;top:14px;/* top: every YT thumbnail has Cubi in the bottom-left corner */background:#202428b3;color:#fff;font-size:12px;font-weight:500;padding:6px 11px 6px 8px;border-radius:14px;display:flex;align-items:center;gap:7px}
.yt-note svg{width:20px;height:14px;flex:none}
@media(max-width:640px){.yt-play{width:60px;height:60px;margin:-30px 0 0 -30px}.yt-play svg{width:32px;height:32px;margin-left:4px}}