.spdf-hero{padding-top:clamp(48px,8vh,96px)}.spdf-hero__inner{align-items:center;gap:clamp(40px,6vw,76px);display:grid}.spdf-hero__title{letter-spacing:-.03em;max-width:15ch;font-size:clamp(2.1rem,4.8vw,3.2rem);line-height:1.08}.spdf-hero__sub{max-width:34rem;color:var(--ink-2);margin-top:20px;font-size:clamp(1.04rem,2.1vw,1.16rem);line-height:1.6}.spdf-hero__cta{margin-top:30px}.spdf-mock-wrap{flex-direction:column;align-items:center;display:flex}.spdf-mock{aspect-ratio:10/8.6;width:100%;max-width:380px;position:relative}.spdf-mock-page{aspect-ratio:3/4.15;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);width:56%;box-shadow:var(--shadow-md);flex-direction:column;padding:clamp(12px,2.6vw,16px);display:flex;position:absolute}.spdf-mock-page--cover{z-index:1;top:15%;left:1%;transform:rotate(-8deg)}.spdf-mock-page--text{z-index:2;top:1%;left:22%;transform:rotate(1deg)}.spdf-mock-page--vocab{z-index:3;top:16%;left:43%;transform:rotate(8deg)}.spdf-cover-art{border-radius:calc(var(--r-md) - 5px);background:linear-gradient(160deg, var(--accent-soft), #efe3d6 55%, var(--accent) 145%);flex:1;min-height:0;position:relative;overflow:hidden}.spdf-cover-blob{border-radius:50%;display:block;position:absolute}.spdf-cover-blob--a{aspect-ratio:1;background:var(--accent);opacity:.32;width:75%;top:-22%;left:-14%}.spdf-cover-blob--b{aspect-ratio:1;opacity:.28;background:#fff;width:55%;bottom:-18%;right:-10%}.spdf-cover-title{color:var(--ink);margin:10px 0 0;font-family:ui-serif,Georgia,Times New Roman,serif;font-size:.82rem;font-weight:600;line-height:1.25}.spdf-cover-meta{gap:5px;margin-top:6px;display:flex}.spdf-cover-pill{border-radius:var(--r-pill);background:var(--bg-2);color:var(--ink-2);letter-spacing:.04em;padding:2px 7px;font-size:.56rem;font-weight:700}.spdf-text-page-n{color:var(--muted);align-self:flex-end;margin-bottom:8px;font-size:.6rem}.spdf-text-lede{color:var(--ink);margin:0 0 10px;font-family:ui-serif,Georgia,Times New Roman,serif;font-size:.66rem;line-height:1.55}.spdf-text-lines{gap:6px;display:grid}.spdf-text-lines span{background:var(--bar);border-radius:3px;height:5px;display:block}.spdf-text-lines span:nth-child(3n){background:var(--bar-2)}.spdf-vocab-title{letter-spacing:.05em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 8px;font-size:.6rem;font-weight:700}.spdf-vocab-list{gap:0;display:grid}.spdf-vocab-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:8px;padding:5px 0;font-size:.62rem;display:flex}.spdf-vocab-row:last-child{border-bottom:0}.spdf-vocab-word{color:var(--ink);white-space:nowrap;font-weight:600}.spdf-vocab-tr{color:var(--muted);text-align:right}.spdf-mock-caption{color:var(--muted);text-align:center;margin-top:clamp(28px,5vw,44px);font-size:.86rem}.spdf-parts__grid{grid-template-columns:repeat(2,1fr);gap:clamp(24px,3vw,36px);display:grid}.spdf-part{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:clamp(24px,2.6vw,30px)}.spdf-part__n{letter-spacing:.06em;color:var(--accent-ink);margin-bottom:14px;font-size:.85rem;font-weight:600;display:block}.spdf-part__title{margin-bottom:10px;font-size:1.15rem;font-weight:600;line-height:1.25}.spdf-part__body{color:var(--ink-2);font-size:.98rem;line-height:1.55}.spdf-starter{border-top:1px solid var(--line);padding-block:clamp(56px,8vh,96px)}.spdf-starter__sub{color:var(--ink-2);margin:10px 0 0;font-size:1.02rem;line-height:1.5}.spdf-starter__grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:clamp(16px,2vw,22px);display:grid}.spdf-starter__card{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:clamp(18px,2vw,22px)}.spdf-starter__card-head{flex-wrap:wrap;align-items:baseline;gap:8px;margin-bottom:14px;display:flex}.spdf-starter__lang{color:var(--ink);font-size:1.02rem;font-weight:600}.spdf-starter__autonym{color:var(--muted);font-size:.86rem}.spdf-starter__levels{flex-wrap:wrap;gap:8px;display:flex}.spdf-starter__chip{border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg-2);min-width:44px;min-height:44px;color:var(--ink-2);letter-spacing:.02em;justify-content:center;align-items:center;padding:0 12px;font-size:.82rem;font-weight:700;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.spdf-starter__chip:hover,.spdf-starter__chip:focus-visible{background:var(--accent-soft);color:var(--accent-ink);border-color:var(--accent)}.spdf-pro{padding-block:clamp(56px,8vh,96px)}.spdf-pro__inner{border-radius:var(--r-lg);background:var(--accent-soft);text-align:center;max-width:640px;padding:clamp(32px,4vw,48px)}.spdf-pro__inner .eyebrow{color:var(--accent-ink);margin:0 0 14px}.spdf-pro__title{margin-bottom:12px;font-size:clamp(1.4rem,3vw,1.8rem);line-height:1.2}.spdf-pro__body{color:var(--ink-2);font-size:1.02rem;line-height:1.6}.spdf-faq__list{max-width:720px;margin:0 auto}.spdf-cta{border-top:1px solid var(--line);padding-block:clamp(56px,8vh,96px)}.spdf-cta__inner{text-align:center;flex-direction:column;align-items:center;gap:18px;display:flex}.spdf-cta__title{max-width:18ch;font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.1}.spdf-cta__sub{max-width:32rem;color:var(--ink-2);font-size:1.06rem}@media (min-width:880px){.spdf-hero__inner{grid-template-columns:1.05fr .95fr}}@media (max-width:879.98px){.spdf-hero__art{order:-1}.spdf-mock{max-width:320px}}@media (max-width:639.98px){.spdf-parts__grid{grid-template-columns:1fr}.spdf-mock{max-width:280px}.spdf-starter__grid{grid-template-columns:1fr}}