.writing-entry{scroll-margin-top:110px;overflow:hidden;border-block:1px solid var(--line);background:radial-gradient(ellipse at 85% 40%,var(--teal-soft),transparent 62%),var(--paper)}
.writing-layout{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:clamp(32px,6vw,88px)}
.writing-eyebrow{color:var(--teal);margin:12px 0;font-size:.85rem;letter-spacing:.15em}
.writing-copy h2{font:600 clamp(2.4rem,3.2vw,3.2rem)/1.2 var(--display);letter-spacing:-.045em;margin-bottom:24px;text-wrap:balance}
.writing-copy h2 em{display:block;color:var(--teal);font-style:normal}
.writing-values{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:28px 0}
.writing-values button{text-align:left;border:1px solid transparent;border-radius:12px;padding:13px 10px;background:transparent;color:var(--ink);cursor:pointer;transition:background .2s,border-color .2s}
.writing-values strong,.writing-values span{display:block}
.writing-values strong{font-size:.95rem;color:var(--teal-deep)}
.writing-values span{font-size:.75rem;margin-top:5px;color:var(--ink-soft)}
.writing-values button:hover,.writing-values button:focus-visible{background:var(--surface);border-color:var(--teal)}
.writing-actions{display:flex;gap:12px;flex-wrap:wrap}
.writing-diagram{padding:28px;border:1px solid var(--line);border-radius:30px 14px 32px 16px;background:color-mix(in srgb,var(--surface) 84%,transparent);box-shadow:0 24px 70px color-mix(in srgb,var(--teal) 12%,transparent);transform:rotate(1deg)}
.writing-diagram-top{display:flex;justify-content:space-between;gap:12px;font:600 9px/1.5 var(--mono);letter-spacing:.12em;color:var(--teal)}
.writing-track{position:relative;display:grid;gap:15px;margin:24px 0;padding-left:22px}
.writing-track:before{content:"";position:absolute;left:3px;top:20px;bottom:30px;width:1px;background:var(--teal);opacity:.3}
.writing-track:after{content:"";position:absolute;left:0;top:20px;width:7px;height:7px;background:var(--teal);border-radius:50%;box-shadow:0 0 12px var(--teal);animation:writing-travel 9s ease-in-out infinite;animation-play-state:paused}
.writing-entry.is-visible .writing-track:after{animation-play-state:running}
.writing-node{position:relative;display:grid;grid-template-columns:32px 1fr;gap:12px;padding:18px 20px;border:1px solid var(--line);border-radius:4px 14px 14px 4px;background:var(--surface);transition:transform .25s,border-color .25s,box-shadow .25s}
.writing-node:before{content:"";position:absolute;width:7px;height:7px;border:1px solid var(--teal);border-radius:50%;left:-23px;top:28px;background:var(--paper)}
.writing-node.is-highlighted{transform:translateX(6px);border-color:var(--teal);box-shadow:0 8px 22px color-mix(in srgb,var(--teal) 12%,transparent)}
.writing-number{font:italic 24px/1.3 var(--display);color:var(--teal)}
.writing-node small{font-size:10px;letter-spacing:.06em;color:var(--ink-soft)}
.writing-node h3{font:600 23px/1.4 var(--display);margin:3px 0 7px}
.writing-paper-lines{width:85%;height:10px;background:repeating-linear-gradient(to bottom,var(--line) 0 1px,transparent 1px 7px)}
.writing-signature{font:italic 13px/1.5 var(--display);color:var(--teal)}
.writing-diagram-note{font-size:11px;color:var(--teal-deep);text-align:center}
.writing-course-card{grid-column:1/-1;display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.35fr) auto;align-items:center;gap:clamp(20px,3vw,42px);margin-top:clamp(8px,2vw,24px);padding:18px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(110deg,color-mix(in srgb,var(--teal-soft) 46%,var(--surface)),var(--surface) 58%);box-shadow:0 18px 44px color-mix(in srgb,var(--teal) 10%,transparent)}
.writing-course-cover{display:block;overflow:hidden;border-radius:16px;aspect-ratio:16/9;background:var(--teal-soft)}
.writing-course-cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.writing-course-cover:hover img,.writing-course-cover:focus-visible img{transform:scale(1.025)}
.writing-course-cover:focus-visible,.writing-course-action:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
.writing-course-copy{min-width:0}
.writing-course-badge{display:inline-flex;align-items:center;margin-bottom:10px;padding:6px 10px;border-radius:999px;background:var(--teal);color:#fff;font-size:.72rem;font-weight:750;letter-spacing:.06em}
.writing-course-copy h3{margin:0 0 10px;font:600 clamp(1.55rem,2.2vw,2.25rem)/1.18 var(--display);letter-spacing:-.035em;color:var(--ink)}
.writing-course-copy p{margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.7}
.writing-course-meta{display:block;margin-top:12px;color:var(--teal-deep);font:650 .76rem/1.4 var(--mono);letter-spacing:.04em}
.writing-course-action{white-space:nowrap;justify-self:end}
.writing-menu-toggle{display:none;white-space:nowrap;border:1px solid var(--line);border-radius:30px;background:var(--surface);color:var(--ink);padding:8px 12px;cursor:pointer}
.site-header .main-nav a,.site-header .theme-toggle{white-space:nowrap}
.site-header .header-inner{gap:16px}
.writing-video-dialog{width:min(900px,94vw);max-height:94svh;border:1px solid var(--line);border-radius:20px;padding:20px;background:var(--paper);color:var(--ink)}
.writing-video-dialog::backdrop{background:#051516bb;backdrop-filter:blur(6px)}
.writing-video-dialog header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:15px}
.writing-video-dialog header button{border:1px solid var(--line);border-radius:24px;padding:8px 14px;background:var(--surface);color:var(--ink);cursor:pointer}
.writing-video-dialog video{display:block;width:100%;max-height:75svh;object-fit:contain;background:#071519;border-radius:10px}
body:has(.writing-video-dialog[open]) *{animation-play-state:paused!important}
@keyframes writing-travel{0%,100%{top:20px;opacity:0}8%{opacity:1}90%{top:calc(100% - 30px);opacity:1}98%{top:calc(100% - 30px);opacity:0}}
@media(max-width:1250px){.site-header .writing-menu-toggle{display:block}.site-header .main-nav{display:none!important}.site-header .main-nav.is-open{display:flex!important;position:absolute;top:calc(100% + 8px);left:16px;right:16px;flex-wrap:wrap;gap:10px;padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:var(--shadow-paper)}.site-header .main-nav a{padding:8px 12px}.site-header .header-inner{justify-content:space-between}.site-header .header-actions{flex-shrink:0}}
@media(max-width:980px){.writing-course-card{grid-template-columns:minmax(190px,.7fr) 1.3fr}.writing-course-action{grid-column:2;justify-self:start}}
@media(max-width:850px){.writing-layout{grid-template-columns:1fr}.writing-diagram{max-width:570px;width:100%;justify-self:center;transform:none}.writing-entry{scroll-margin-top:100px}.writing-course-card{grid-template-columns:minmax(180px,.72fr) 1.28fr}}
@media(max-width:620px){.writing-course-card{grid-template-columns:1fr;padding:14px}.writing-course-action{grid-column:auto;justify-self:stretch;text-align:center}.writing-course-cover{aspect-ratio:16/8.5}}
@media(max-width:540px){.site-header .brand-name{display:none}.site-header .header-inner{gap:8px}.site-header .header-actions{gap:6px}.writing-values{gap:4px}.writing-values button{padding:10px 4px}.writing-diagram{padding:20px}.writing-node{padding:15px 12px}.writing-actions .button{font-size:.8rem}.writing-copy h2{font-size:2.3rem}}
@media(prefers-reduced-motion:reduce){.writing-track:after{animation:none}.writing-node,.writing-course-cover img{transition:none}}