/* ============================================================
   Direito Ambiental Aberto — folha de estilo principal
   ============================================================ */

:root{
  color-scheme: dark;
  --bg:            #04140b;
  --bg-soft:       #071c11;
  --surface:       #0a2415;
  --surface-2:     #0d2d1b;
  --line:          rgba(190, 232, 205, .12);
  --line-strong:   rgba(190, 232, 205, .22);
  --ink:           #e9f3ec;
  --ink-soft:      #c3d6c9;
  --muted:         #8fa899;
  --accent:        #2fbf6b;
  --accent-soft:   #7ce0a4;
  --accent-ink:    #04140b;
  --chip:          rgba(47, 191, 107, .12);
  --link:          #7ce0a4;
  --shadow:        0 18px 50px rgba(0,0,0,.45);
  --maxw:          1120px;
  --readw:         44rem;
  --radius:        14px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
}

html[data-theme="light"]{
  color-scheme: light;
  --bg:            #f7faf8;
  --bg-soft:       #eef4f0;
  --surface:       #ffffff;
  --surface-2:     #f2f7f3;
  --line:          rgba(13, 45, 27, .12);
  --line-strong:   rgba(13, 45, 27, .22);
  --ink:           #0d2114;
  --ink-soft:      #26402f;
  --muted:         #5d7367;
  --accent:        #15703a;
  --accent-soft:   #1d8a49;
  --accent-ink:    #ffffff;
  --chip:          rgba(21, 112, 58, .10);
  --link:          #15703a;
  --shadow:        0 14px 40px rgba(13, 45, 27, .10);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:var(--link); text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:3px; }

::selection{ background:var(--accent); color:var(--accent-ink); }

.wrap{ width:min(100% - 2.5rem, var(--maxw)); margin-inline:auto; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:99;
  background:var(--accent); color:var(--accent-ink);
  padding:.6rem 1rem; border-radius:0 0 8px 0; font-weight:600;
}
.skip:focus{ left:0; }

/* ---------- cabeçalho ---------- */
.masthead{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.masthead__inner{
  display:flex; align-items:center; gap:1.25rem;
  padding:.85rem 0;
}
.brand{ display:flex; align-items:center; gap:.9rem; flex:0 0 auto; }
.brand:hover{ text-decoration:none; }
.brand img{ height:42px; width:auto; }
.brand .logo-light{ display:none; }
html[data-theme="light"] .brand .logo-dark{ display:none; }
html[data-theme="light"] .brand .logo-light{ display:block; }
.brand__tag{
  font-size:.72rem; letter-spacing:.14em; text-transform:lowercase;
  color:var(--muted); border-left:1px solid var(--line-strong);
  padding-left:.9rem; line-height:1.4; white-space:nowrap;
}

.nav{ margin-left:auto; display:flex; align-items:center; gap:.35rem; }
.nav a{
  color:var(--ink-soft); font-size:.94rem; font-weight:500;
  padding:.5rem .8rem; border-radius:999px; transition:.18s;
}
.nav a:hover{ background:var(--chip); color:var(--ink); text-decoration:none; }
.nav a[aria-current="page"]{ color:var(--link); background:var(--chip); }

.iconbtn{
  display:inline-grid; place-items:center;
  width:38px; height:38px; border-radius:999px;
  background:transparent; border:1px solid var(--line);
  color:var(--ink-soft); cursor:pointer; font-size:1rem; transition:.18s;
}
.iconbtn:hover{ background:var(--chip); color:var(--ink); border-color:var(--line-strong); }

.nav-toggle{ display:none; }

/* ---------- hero ---------- */
.hero{
  padding:4.5rem 0 3.25rem;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(1000px 380px at 12% -8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(760px 300px at 88% 0%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
}
.hero__eyebrow{
  font-size:.74rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--link); font-weight:600; margin:0 0 1rem;
}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(2.1rem, 5vw, 3.35rem);
  line-height:1.14; letter-spacing:-.015em;
  margin:0 0 1.15rem; max-width:22ch; font-weight:600;
}
.hero p{
  font-size:clamp(1.02rem, 1.6vw, 1.16rem);
  color:var(--ink-soft); max-width:62ch; margin:0 0 1rem;
}
.hero .lede-quote{
  border-left:3px solid var(--accent);
  padding-left:1.1rem; color:var(--ink-soft);
  font-family:var(--serif); font-size:1.1rem; font-style:italic;
  margin:1.75rem 0 0; max-width:60ch;
}

/* ---------- botões ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.7rem 1.35rem; border-radius:999px;
  font-weight:600; font-size:.95rem; border:1px solid transparent;
  transition:.18s; cursor:pointer;
}
.btn:hover{ text-decoration:none; transform:translateY(-1px); }
.btn--primary, a.btn--primary{ background:var(--accent); color:var(--accent-ink); }
.btn--primary:hover, a.btn--primary:hover{ background:var(--accent-soft); color:var(--accent-ink); }
.btn--ghost, a.btn--ghost{ border-color:var(--line-strong); color:var(--ink); background:transparent; }
.btn--ghost:hover{ background:var(--chip); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:.75rem; margin-top:2rem; }

/* ---------- seções ---------- */
.section{ padding:3.5rem 0; }
.section--soft{ background:var(--bg-soft); border-block:1px solid var(--line); }
.section__head{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:1rem; flex-wrap:wrap; margin-bottom:1.9rem;
}
.section__head h2{
  font-family:var(--serif); font-size:1.75rem; font-weight:600;
  letter-spacing:-.01em; margin:0;
}
.section__head a{ font-size:.92rem; font-weight:600; color:var(--link); }

/* ---------- cards de artigo ---------- */
.cards{
  display:grid; gap:1.4rem;
  grid-template-columns:repeat(auto-fill, minmax(310px, 1fr));
}
.card{
  display:flex; flex-direction:column;
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
  transition:.2s; height:100%;
}
.card:hover{ border-color:var(--line-strong); transform:translateY(-3px); box-shadow:var(--shadow); }
.card__thumb{
  aspect-ratio:16/9; background:var(--surface-2);
  display:grid; place-items:center; overflow:hidden;
  border-bottom:1px solid var(--line);
}
.card__thumb svg{ width:100%; height:100%; }
.card__body{ padding:1.25rem 1.35rem 1.45rem; display:flex; flex-direction:column; gap:.65rem; flex:1; }
.card h3{
  font-family:var(--serif); font-size:1.16rem; line-height:1.35;
  margin:0; font-weight:600; letter-spacing:-.005em;
}
.card h3 a{ color:var(--ink); }
.card h3 a:hover{ color:var(--link); text-decoration:none; }
.card p{ margin:0; color:var(--muted); font-size:.95rem; line-height:1.6; }
.card__foot{ margin-top:auto; padding-top:.35rem; }

.tags{ display:flex; flex-wrap:wrap; gap:.4rem; }
.tag{
  font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  font-weight:600; color:var(--link);
  background:var(--chip); border:1px solid var(--line);
  padding:.24rem .6rem; border-radius:999px;
}
.tag--flag, .tags .tag--flag{ background:var(--accent); color:var(--accent-ink); border-color:transparent; }

.meta{ font-size:.82rem; color:var(--muted); display:flex; gap:.55rem; flex-wrap:wrap; align-items:center; }
.meta .dot{ opacity:.5; }

/* destaque */
.feature{
  display:grid; gap:2rem; align-items:center;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  background:var(--surface); border:1px solid var(--line);
  border-radius:18px; padding:1.6rem; margin-bottom:2.5rem;
}
.feature__art{ border-radius:12px; overflow:hidden; border:1px solid var(--line); }
.feature h3{
  font-family:var(--serif); font-size:clamp(1.4rem,2.6vw,1.9rem);
  line-height:1.25; margin:.7rem 0 .6rem; font-weight:600;
}
.feature h3 a{ color:var(--ink); }
.feature h3 a:hover{ color:var(--link); text-decoration:none; }
.feature p{ color:var(--ink-soft); margin:0 0 1rem; }

/* ---------- temas / eixos ---------- */
.axes{ display:grid; gap:1rem; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); }
.axis{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:1.3rem 1.35rem; transition:.2s;
}
.axis:hover{ border-color:var(--accent); transform:translateY(-2px); }
.axis h3{ font-size:1.02rem; margin:.55rem 0 .45rem; letter-spacing:-.005em; }
.axis p{ margin:0; color:var(--muted); font-size:.9rem; line-height:1.55; }
.axis__icon{ color:var(--accent); font-size:1.35rem; line-height:1; }

/* ---------- páginas de texto ---------- */
.page-head{ padding:3.2rem 0 2rem; border-bottom:1px solid var(--line); }
.page-head h1{
  font-family:var(--serif); font-size:clamp(1.9rem,4vw,2.7rem);
  line-height:1.18; margin:.4rem 0 .8rem; font-weight:600; letter-spacing:-.015em;
}
.page-head p{ color:var(--ink-soft); max-width:62ch; margin:0; }
.crumbs{ font-size:.82rem; color:var(--muted); }
.crumbs a{ color:var(--muted); }
.crumbs a:hover{ color:var(--ink); }

.prose{ width:min(100%, var(--readw)); margin-inline:auto; }
.prose > *{ max-width:100%; }
.prose p, .prose li{
  font-family:var(--serif); font-size:1.11rem; line-height:1.78;
  color:var(--ink-soft); text-align:justify; hyphens:auto;
}
.prose h2{
  font-family:var(--serif); font-size:1.5rem; font-weight:600;
  margin:2.6rem 0 .9rem; color:var(--ink); letter-spacing:-.01em;
}
.prose h3{
  font-family:var(--serif); font-size:1.2rem; font-weight:600;
  margin:2rem 0 .7rem; color:var(--ink);
}
.prose strong{ color:var(--ink); font-weight:600; }
.prose blockquote{
  margin:1.8rem 0; padding:.2rem 0 .2rem 1.25rem;
  border-left:3px solid var(--accent); color:var(--ink-soft); font-style:italic;
}
.prose hr{ border:0; border-top:1px solid var(--line); margin:2.6rem 0; }
.prose ul, .prose ol{ padding-left:1.3rem; }
.prose li{ margin:.4rem 0; }
.prose table{ width:100%; border-collapse:collapse; margin:1.8rem 0; font-size:.95rem; }
.prose th, .prose td{
  border:1px solid var(--line); padding:.7rem .85rem;
  text-align:left; vertical-align:top;
}
.prose th{ background:var(--surface-2); font-weight:600; color:var(--ink); }
.prose figure{ margin:2rem 0; }
.prose figcaption{ font-size:.85rem; color:var(--muted); margin-top:.6rem; text-align:center; }

.callout{
  background:var(--surface); border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:10px; padding:1.1rem 1.25rem; margin:2rem 0;
}
.callout p{ margin:0; font-family:var(--sans); font-size:.95rem; text-align:left; }
.callout strong{ color:var(--link); }

.abstract{
  background:var(--surface-2); border:1px solid var(--line);
  border-radius:12px; padding:1.4rem 1.5rem; margin:0 0 2.2rem;
}
.abstract h2{ margin:0 0 .6rem; font-size:1.05rem; font-family:var(--sans);
  letter-spacing:.1em; text-transform:uppercase; color:var(--link); }
.abstract p{ margin:0; font-size:1rem; }
.keywords{ margin-top:1rem; font-size:.9rem; font-family:var(--sans); color:var(--muted); }
.keywords strong{ color:var(--ink); }

/* artigo — cabeçalho */
.article-head{ padding:3rem 0 2.2rem; border-bottom:1px solid var(--line); }
.article-head .tags{ margin-bottom:1rem; }
.article-head h1{
  font-family:var(--serif); font-size:clamp(1.85rem,4vw,2.7rem);
  line-height:1.18; margin:0 0 .9rem; font-weight:600; letter-spacing:-.015em;
  max-width:26ch;
}
.article-head .subtitle{
  font-family:var(--serif); font-size:1.15rem; color:var(--ink-soft);
  max-width:58ch; margin:0 0 1.3rem;
}
.byline{ display:flex; align-items:center; gap:.85rem; flex-wrap:wrap; }
.byline__avatar{
  width:42px; height:42px; border-radius:999px; background:var(--chip);
  border:1px solid var(--line); display:grid; place-items:center;
  color:var(--accent); font-weight:700; font-size:.9rem;
}
.byline__who{ font-size:.92rem; }
.byline__who b{ color:var(--ink); display:block; font-weight:600; }
.byline__who span{ color:var(--muted); font-size:.85rem; }

.article-body{ padding:2.6rem 0 3.5rem; }

.refs{ font-size:.92rem; }
.refs p{ font-family:var(--sans); font-size:.92rem; text-align:left;
  text-indent:-1.6rem; padding-left:1.6rem; margin:.65rem 0; color:var(--muted); }

.article-foot{
  border-top:1px solid var(--line); margin-top:3rem; padding-top:2rem;
  display:flex; gap:1rem; flex-wrap:wrap; justify-content:space-between; align-items:center;
}

/* ---------- filtros ---------- */
.filters{ display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:2rem; }
.filter{
  font-size:.86rem; font-weight:600; padding:.45rem .95rem;
  border-radius:999px; border:1px solid var(--line);
  background:transparent; color:var(--ink-soft); cursor:pointer; transition:.18s;
}
.filter:hover{ background:var(--chip); border-color:var(--line-strong); }
.filter[aria-pressed="true"]{ background:var(--accent); color:var(--accent-ink); border-color:transparent; }

.list{ display:flex; flex-direction:column; gap:0; }
.entry{
  display:grid; grid-template-columns:200px 1fr; gap:1.5rem;
  padding:1.75rem 0; border-bottom:1px solid var(--line);
}
.entry:first-child{ border-top:1px solid var(--line); }
.entry__thumb{ border-radius:10px; overflow:hidden; border:1px solid var(--line); aspect-ratio:16/10; }
.entry h3{ font-family:var(--serif); font-size:1.3rem; margin:.6rem 0 .5rem; font-weight:600; line-height:1.3; }
.entry h3 a{ color:var(--ink); }
.entry h3 a:hover{ color:var(--link); text-decoration:none; }
.entry p{ margin:0 0 .8rem; color:var(--muted); font-size:.97rem; }

/* ---------- formulário / contato ---------- */
.contact-grid{ display:grid; gap:1.4rem; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); }
.contact-card{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); padding:1.5rem;
}
.contact-card h3{ margin:.4rem 0 .5rem; font-size:1.05rem; }
.contact-card p{ margin:0; color:var(--muted); font-size:.94rem; }
.contact-card .big{ font-size:1.02rem; color:var(--ink); word-break:break-word; }

/* ---------- rodapé ---------- */
.footer{
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding:3rem 0 2rem; margin-top:0;
}
.footer__grid{
  display:grid; gap:2rem;
  grid-template-columns:minmax(0,1.4fr) repeat(auto-fit, minmax(150px,1fr));
}
.footer h4{
  font-size:.76rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); margin:0 0 .9rem; font-weight:700;
}
.footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:.5rem; }
.footer ul a{ color:var(--ink-soft); font-size:.93rem; }
.footer ul a:hover{ color:var(--link); }
.footer__brand img{ height:52px; margin-bottom:1rem; }
.footer__brand .logo-light{ display:none; }
html[data-theme="light"] .footer__brand .logo-dark{ display:none; }
html[data-theme="light"] .footer__brand .logo-light{ display:block; }
.footer__brand p{ color:var(--muted); font-size:.92rem; margin:0; max-width:38ch; }
.footer__bottom{
  border-top:1px solid var(--line); margin-top:2.4rem; padding-top:1.4rem;
  display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap;
  font-size:.85rem; color:var(--muted);
}

/* ---------- responsivo ---------- */
@media (max-width: 860px){
  .brand__tag{ display:none; }
  .nav-toggle{ display:inline-grid; }
  .nav{
    position:fixed; inset:64px 0 auto 0;
    flex-direction:column; align-items:stretch; gap:.15rem;
    background:var(--bg); border-bottom:1px solid var(--line);
    padding:1rem 1.25rem 1.5rem; display:none; box-shadow:var(--shadow);
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:.75rem .6rem; border-radius:8px; }
  .nav .iconbtn{ margin-top:.5rem; align-self:flex-start; }
  .feature{ grid-template-columns:1fr; }
  .entry{ grid-template-columns:1fr; }
  .entry__thumb{ max-width:100%; }
  .prose p, .prose li{ text-align:left; }
  .hero{ padding:3rem 0 2.5rem; }
}

@media (max-width: 480px){
  .brand img{ height:32px; }
  body{ font-size:16px; }
}

@media print{
  .masthead, .footer, .article-foot, .hero__actions{ display:none; }
  body{ background:#fff; color:#000; }
  .prose p, .prose li{ color:#000; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}