/* Página CoppeTeX — paleta derivada do logo da COPPE, 05/11/2026. */
:root{--wine:#842135;--wine-dark:#631828;--ink:#282427;--muted:#6d6769;--paper:#faf8f5;--line:#e5dedb;--serif:Georgia,'Times New Roman',serif;--sans:'Segoe UI',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--wine);outline-offset:5px}.wrap{width:min(1180px,calc(100% - 80px));margin:auto}.skip{position:absolute;left:16px;top:-100px;padding:10px;background:white;z-index:9}.skip:focus{top:8px}.header{display:flex;align-items:center;justify-content:space-between;padding:27px 0;border-bottom:1px solid var(--line)}.brand{font-family:var(--serif);font-size:30px;font-weight:bold;letter-spacing:-1.5px}.brand>span:first-child{font-weight:normal}.brand-dot{color:var(--wine)}nav{display:flex;gap:34px;font-size:14px;font-weight:600}nav a:hover,.text-link:hover{color:var(--wine)}.nav-github{border-left:1px solid var(--line);padding-left:30px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;padding-top:72px;padding-bottom:78px;align-items:center}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--wine);margin:0 0 23px}.eyebrow>span{display:inline-block;width:7px;height:7px;background:var(--wine);border-radius:50%;margin-right:8px}h1{font-family:var(--serif);font-size:clamp(44px,4.5vw,65px);line-height:1.09;letter-spacing:-2.7px;font-weight:normal;margin:0 0 26px}h1 em{color:var(--wine);font-weight:normal}.intro{font-size:16px;max-width:490px;color:var(--muted);margin-bottom:29px}.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.button{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:13px;font-weight:650;padding:14px 20px;border-radius:4px;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.primary{background:var(--wine);color:white}.primary:hover{background:var(--wine-dark)}.secondary{border:1px solid #cdbfc0;color:var(--wine);background:transparent}.secondary:hover{background:#f3e9e9}.text-link{font-size:13px;font-weight:650;border-bottom:1px solid #cdbfc0;padding-bottom:4px}.hero-note{font-size:11px;color:var(--muted);margin-top:25px}.hero-art{position:relative;min-height:476px;background:#eee8e3;display:flex;align-items:center;justify-content:center;border-radius:50% 50% 5px 5px;padding:45px}.art-label{position:absolute;top:8px;font-size:9px;letter-spacing:1.8px;color:var(--muted)}.paper{background:#fff;width:275px;height:365px;box-shadow:0 16px 36px #33212620}.paper-back{position:absolute;transform:rotate(-9deg);border:1px solid #e7deda}.thesis{z-index:1;position:relative;transform:rotate(4deg);padding:27px 31px;text-align:center;border-top:3px solid var(--wine);display:flex;flex-direction:column;align-items:center}.thesis img{width:158px;height:auto;display:block}.thesis-title{font-family:var(--serif);font-size:19px;line-height:1.4;margin-top:34px}.thesis-rule{width:25px;border-top:1px solid var(--wine);margin:18px auto 10px}.thesis p{font-size:9px;margin:0}.thesis .thesis-caption{font-size:6px;letter-spacing:1.3px;margin-top:8px}.thesis-bottom{font-size:7px;margin-top:auto}.art-footnote{position:absolute;bottom:13px;font-family:var(--serif);font-style:italic;font-size:12px;color:var(--muted)}.facts{border-block:1px solid var(--line);background:#f3efeb}.facts-inner{display:flex;justify-content:space-between;gap:20px;padding-block:20px;font-size:12px;color:var(--muted)}.facts strong{color:var(--ink);font-weight:600}.section{padding-block:77px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-heading .eyebrow{margin-bottom:12px}h2{font-family:var(--serif);font-weight:normal;font-size:43px;line-height:1.14;letter-spacing:-1.5px;margin:0}.section-heading>p{font-size:13px;color:var(--muted);margin:0 0 3px}.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.download-card{background:#fff;padding:26px;border:1px solid var(--line);border-radius:5px;display:flex;flex-direction:column}.featured{border-top:3px solid var(--wine);padding-top:24px}.card-top{display:flex;justify-content:space-between;align-items:center}.card-number{font-family:var(--serif);font-size:24px;color:#b8a8a8}.tag{font-size:9px;letter-spacing:1px;color:var(--wine);font-weight:650;background:#f7eeee;padding:3px 8px;border-radius:3px}h3{font-family:var(--serif);font-size:25px;font-weight:normal;letter-spacing:-.6px;margin:22px 0 9px}.download-card>p{font-size:13px;color:var(--muted);margin:0;min-height:44px}.download-card ul{list-style:none;padding:0;margin:23px 0 29px;font-size:12px;color:var(--muted)}.download-card li{margin-bottom:8px}.download-card li:before{content:'✓';color:var(--wine);margin-right:9px}.download-card .button{margin-top:auto}.filename{text-align:center;font-size:10px;color:var(--muted);margin-top:10px;font-family:monospace}.start{display:grid;grid-template-columns:1fr 1fr;gap:48px;border-top:1px solid var(--line);padding-top:28px;margin-top:30px}.small-label{font-size:10px;letter-spacing:1.2px;font-weight:700;color:var(--wine)}.start p{font-size:12px;color:var(--muted);margin:8px 0 0}.start strong{color:var(--ink);font-weight:600}code{font-size:.95em;background:#efe9e6;padding:1px 4px;border-radius:3px}.explore{background:var(--wine-dark);color:#fff;padding-block:65px}.explore-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:100px}.explore .eyebrow{color:#e4b7c0;margin-bottom:17px}.explore h2{font-size:46px}.explore p:not(.eyebrow){font-size:14px;color:#e7ccd1;max-width:365px;margin:23px 0}.light{background:#fff;color:var(--wine-dark);width:fit-content}.light:hover{background:#f3e6e8}.repo-links{display:flex;flex-direction:column;justify-content:center}.repo-links>a{padding:22px 0;border-bottom:1px solid #ffffff30;display:flex;align-items:center;justify-content:space-between;gap:20px}.repo-links>a:first-child{padding-top:0}.repo-links small{display:block;color:#ddb1bb;font-size:9px;letter-spacing:1.8px}.repo-links strong{display:block;font-weight:500;font-size:16px;margin:4px 0}.repo-links span span{font-size:12px;color:#e3c6cc}.repo-links b{font-weight:400;font-size:23px}.repo-links a:hover strong{text-decoration:underline}.closing{padding-block:73px;display:grid;grid-template-columns:1.3fr 1fr;gap:110px}.closing .eyebrow{margin-bottom:17px}.closing p{font-size:13px;color:var(--muted)}.help{border-left:1px solid var(--line);padding-left:42px}.help>span{color:var(--wine);font-size:24px}.help h3{margin:8px 0 14px;line-height:1.3}.help p{max-width:330px}.footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding-block:28px}.footer .brand{font-size:25px}.footer p{font-size:10px;color:var(--muted);margin:5px 0}.footer-links{display:flex;gap:25px;font-size:11px;color:var(--muted)}@media(min-width:1500px){.hero{padding-block:90px}}@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.hero{gap:25px}.hero-art{padding:30px;min-height:435px}.paper{width:240px;height:335px}.thesis-title{font-size:17px}.explore-grid{gap:50px}.download-card{padding:20px}.featured{padding-top:18px}.tag{font-size:8px}.closing{gap:50px}}@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:38px}.hero-copy{max-width:550px}h1{font-size:54px}.hero-art{max-width:430px;width:100%;margin:24px auto 0}.facts-inner{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:11px}.section{padding-block:48px}.section-heading{display:block}.section-heading>p{margin-top:20px}.downloads{grid-template-columns:1fr}.download-card>p{min-height:0}.download-card ul{margin-block:18px}.download-card h3{margin-top:15px}.start{grid-template-columns:1fr;gap:23px}.explore-grid{grid-template-columns:1fr;gap:42px}.explore{padding-block:46px}.closing{grid-template-columns:1fr;padding-block:48px;gap:28px}.help{padding:25px 0 0;border-left:0;border-top:1px solid var(--line)}h2{font-size:37px}.footer{align-items:flex-start;gap:24px}.footer-links{flex-direction:column;gap:10px}nav{gap:18px;font-size:12px}.nav-github{padding-left:16px}.header{padding-block:20px}.brand{font-size:27px}}@media(max-width:390px){.wrap{width:calc(100% - 32px)}h1{font-size:46px}.hero-actions{gap:18px}.facts-inner{grid-template-columns:1fr}.nav-github{border:0;padding:0}nav{gap:12px}.hero-art{min-height:410px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}
/* 05/11/2026: lettering COPPE extraído do logo vetorial original, sem substituir por fonte aproximada. */
.brand{display:inline-flex;align-items:baseline;letter-spacing:-1px;white-space:nowrap}
.brand .brand-coppe{width:auto;height:.75em;display:inline-block;align-self:center}
.brand .brand-tex{font-family:var(--serif);font-weight:normal;margin-left:2px}
@media(max-width:390px){.header{flex-wrap:wrap;gap:12px}.header nav{margin-left:auto}}

/* 05/11/2026: marca única em curvas, incluindo TeX e o ponto. */
.brand .brand-logo{display:block;width:auto;height:1.13em}

/* 05/11/2026: biblioteca com destinos PDF verificados nas distribuições. */
.library{border-top:1px solid var(--line);padding-top:52px}
.pdf-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:35px}
.pdf-group h3{font-size:23px;margin:0 0 20px}
.pdf-group ul{list-style:none;margin:0;padding:0}
.pdf-group li{border-bottom:1px solid var(--line)}
.pdf-group a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;font-size:12px;line-height:1.5}
.pdf-group a:hover{color:var(--wine)}
.pdf-type{flex-shrink:0;color:var(--wine);font-size:9px;letter-spacing:.7px}
@media(max-width:760px){.pdf-grid{grid-template-columns:1fr;gap:30px}.library h2{font-size:35px}.header{flex-wrap:wrap;gap:14px}.header nav{flex-wrap:wrap}}

/* Identificador manual: incrementar a cada atualização da página publicada. */
.page-version{font-size:10px;color:var(--muted);text-align:right;margin-top:0;margin-bottom:18px;letter-spacing:.3px}