
:root{--rust:#96390f;--rust-dark:#5c200a;--ink:#25252a;--paper:#fff;--soft:#eef2fb;--blue:#5c8ee6;--line:#d9dde6}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:#25140f;line-height:1.55}
a{color:inherit}.cover{min-height:100vh;display:grid;grid-template-columns:41% 59%;background:var(--rust);color:#fff;overflow:hidden}
.cover-art{position:relative;min-height:100vh;background:linear-gradient(145deg,#131929 0%,#253f5b 48%,#8d3d18 100%);overflow:hidden}
.cover-art::before{content:"ФЛ";position:absolute;left:-.05em;bottom:-.26em;font:900 min(48vw,42rem)/1 Georgia,serif;color:rgba(255,255,255,.09)}
.cover-art::after{content:"ЯЗЫК • РЕЧЬ • ФУНКЦИЯ";position:absolute;left:8%;bottom:7%;letter-spacing:.32em;font-weight:600;font-size:.8rem;color:rgba(255,255,255,.82)}
.cover-copy{min-height:100vh;padding:3vh 6vw 5vh;display:flex;flex-direction:column}.cover-brand,.brand{display:flex;align-items:center;text-decoration:none}.cover-brand img{display:block;width:min(240px,48vw);height:auto}.brand img{display:block;width:200px;max-height:66px;object-fit:contain;object-position:left center}.cover-center{margin:auto 0}.cover h1{font-size:clamp(2.1rem,4vw,4.5rem);line-height:1.05;max-width:760px;margin:0 0 1.4rem;text-transform:uppercase;letter-spacing:.015em}.cover h2{font-size:clamp(1rem,1.35vw,1.4rem);font-weight:500;margin:0 0 3.5rem}.cover-actions{display:flex;flex-wrap:wrap;gap:1rem}.cover-actions button,.cover-actions a{border:0;background:rgba(70,18,4,.76);color:#fff;padding:1rem 1.55rem;font-size:1.05rem;font-weight:700;text-decoration:none;cursor:pointer;box-shadow:0 10px 22px rgba(42,12,4,.22)}.cover-footer{display:flex;justify-content:space-between;gap:1rem;font-size:.94rem;opacity:.9}
.reader{min-height:100vh;background:linear-gradient(120deg,#1b2031 0 40%,var(--rust) 40%);background-attachment:fixed}.topbar{height:100px;background:var(--rust);color:#fff;display:flex;align-items:center;padding:0 3vw;gap:3rem;position:sticky;top:0;z-index:10}.brand{margin-right:auto}.main-nav{display:flex;align-items:center;gap:2rem}.main-nav a,.main-nav button{font:700 1rem "Segoe UI",sans-serif;color:#fff;text-decoration:none;background:none;border:0;cursor:pointer;opacity:.75}.main-nav a:hover,.main-nav button:hover,.main-nav a:focus,.main-nav button:focus{opacity:1}.menu-toggle{display:none;background:#fff;color:var(--rust);border:0;padding:.65rem 1rem;font-weight:700}
.reading-frame{padding:0 1.2vw 5.5rem}.paper{max-width:1500px;margin:0 auto;background:var(--paper);min-height:calc(100vh - 165px);padding:1.4rem 2rem 4rem;border-right:8px solid var(--blue);box-shadow:0 12px 35px rgba(0,0,0,.22)}.paper h1{color:var(--rust);font-size:clamp(1.7rem,3vw,2.55rem);line-height:1.15;margin:.2rem 0 1.3rem;padding-bottom:.75rem;border-bottom:1px solid var(--line)}.paper h2{font-size:1.35rem;color:var(--rust);margin:2.2rem 0 .75rem}.paper h3{font-size:1.08rem;margin:1.7rem 0 .45rem}.paper p{font-size:1.04rem;margin:.7rem 0;text-align:justify}.paper .list-item{padding-left:1.45rem;text-indent:-.9rem}.paper .section-label{color:#111}.figure{display:block;max-width:min(100%,800px);height:auto;margin:1.5rem auto}.table-wrap{overflow:auto;margin:1.5rem 0}table{border-collapse:collapse;width:100%;font-size:.96rem}th,td{border:1px solid #d7dae0;padding:.75rem;vertical-align:top}th{background:var(--rust);color:#fff}.page-arrows{position:fixed;right:2.4vw;bottom:1.4rem;display:flex;gap:.8rem;z-index:9}.arrow{display:grid;place-items:center;width:70px;height:44px;background:#789ce8;color:#fff;text-decoration:none;font-size:2.1rem;line-height:1;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.modal{width:min(720px,88vw);max-height:78vh;border:0;border-radius:4px;padding:2.5rem 3rem;color:var(--ink);box-shadow:0 20px 70px rgba(0,0,0,.48)}.modal::backdrop{background:rgba(25,8,3,.72);backdrop-filter:blur(6px)}.modal h2{text-align:center;color:var(--rust);font-size:2rem;margin:0 0 1.2rem}.modal-close{position:absolute;right:1rem;top:.65rem;border:0;background:none;font-size:2rem;cursor:pointer;color:var(--rust)}.modal-wide{width:min(980px,92vw)}.contents-list{display:grid}.contents-list a{padding:.68rem .8rem;text-decoration:none}.contents-list a:nth-child(odd){background:var(--soft)}.contents-list a:hover{background:#dce5fa;color:var(--rust)}
.test-form{display:grid;gap:1.4rem}.question{padding:1.2rem;border:1px solid var(--line);border-radius:4px;background:#fff}.question legend{font-weight:700;padding:0 .35rem}.option{display:flex;gap:.65rem;align-items:flex-start;margin:.55rem 0}.option input{margin-top:.35rem}.test-actions{position:sticky;bottom:.5rem;display:flex;gap:1rem;align-items:center;background:#fff;padding:1rem;border-top:1px solid var(--line)}.primary{border:0;background:var(--rust);color:#fff;font-weight:700;padding:.85rem 1.3rem;cursor:pointer}.result{font-size:1.1rem;font-weight:700}.question.correct{border-left:6px solid #288044}.question.incorrect{border-left:6px solid #b3261e}.intro-card{background:var(--soft);padding:1.1rem 1.3rem;margin:1rem 0}.download-link{display:inline-block;margin-top:1rem;background:var(--rust);color:#fff;text-decoration:none;padding:.8rem 1rem;font-weight:700}
@media(max-width:900px){.cover{grid-template-columns:1fr}.cover-art{min-height:34vh}.cover-copy{min-height:66vh}.cover-art::before{font-size:52vw}.topbar{height:auto;min-height:82px;flex-wrap:wrap;padding:1rem 4vw}.menu-toggle{display:block}.main-nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:.5rem 0}.main-nav.open{display:flex}.main-nav a,.main-nav button{text-align:left;padding:.8rem 0}.paper{padding:1.2rem 1rem 4rem;border-right-width:5px}.paper p{text-align:left}.page-arrows{right:1rem}.arrow{width:56px}.cover h1{font-size:2.25rem}}
@media print{.topbar,.page-arrows,.modal{display:none!important}.reader{background:#fff}.reading-frame{padding:0}.paper{box-shadow:none;border:0;max-width:none;padding:0}.paper p{font-size:11pt}}
