/* ============================================================
   PATENT BANK — sistema de design "cianótipo + ficha de arquivo"
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400&display=swap');

:root{
  /* --- tema padrão: azul-verde (cianótipo) --- */
  --blueprint:      #123B46;
  --blueprint-deep: #0B2830;
  --blueprint-line: rgba(210,240,235,0.14);
  --line-cyan:       #D7F1EC;
  --line-cyan-dim:   #86B7B0;

  /* --- papel de ficha (conteúdo) --- */
  --paper:      #F1ECDC;
  --paper-2:    #E9E1CB;
  --paper-line: #CBBF9C;
  --ink:        #201E17;
  --ink-dim:    #5B5544;
  --card-bg:    #FFFFFF;

  /* --- selos e anotações --- */
  --brass:      #B4863B;
  --brass-dark: #8C6626;
  --red:        #9B3B2D;

  /* --- acentos por área --- */
  --a-energia:      #D6862A;
  --a-neuro:        #7C5CC7;
  --a-ecologia:     #3E8F5C;
  --a-tecnologia:   #2E8FA3;
  --a-arte:         #C24E77;

}

/* ============================================================
   TEMAS — comutados via [data-theme] no <html>
   ============================================================ */

/* explícito: mesmo conjunto do :root, para robustez */
[data-theme="bluegreen"]{
  --blueprint:#123B46; --blueprint-deep:#0B2830; --blueprint-line:rgba(210,240,235,0.14);
  --line-cyan:#D7F1EC; --line-cyan-dim:#86B7B0;
  --paper:#F1ECDC; --paper-2:#E9E1CB; --paper-line:#CBBF9C;
  --ink:#201E17; --ink-dim:#5B5544; --card-bg:#FFFFFF;
  --brass:#B4863B; --brass-dark:#8C6626; --red:#9B3B2D;
}

[data-theme="dark"]{
  --blueprint:#1A1A1D; --blueprint-deep:#101012; --blueprint-line:rgba(255,255,255,0.08);
  --line-cyan:#ECEAE4; --line-cyan-dim:#9C9A93;
  --paper:#242426; --paper-2:#2C2C2F; --paper-line:#3A3A3D;
  --ink:#EDEBE5; --ink-dim:#B7B4AC; --card-bg:#2A2A2C;
  --brass:#D3A55B; --brass-dark:#D3A55B; --red:#D9695A;
}

[data-theme="light"]{
  --blueprint:#EFF3F6; --blueprint-deep:#E2E8ED; --blueprint-line:rgba(20,40,60,0.10);
  --line-cyan:#16273F; --line-cyan-dim:#4C5C70;
  --paper:#FFFFFF; --paper-2:#F5F1E6; --paper-line:#DED4B9;
  --ink:#201E17; --ink-dim:#5B5544; --card-bg:#FFFFFF;
  --brass:#B4863B; --brass-dark:#8C6626; --red:#9B3B2D;
}

[data-theme="lightbrown"]{
  --blueprint:#E8DCC4; --blueprint-deep:#DCCBA8; --blueprint-line:rgba(90,60,20,0.14);
  --line-cyan:#3B2C1A; --line-cyan-dim:#6B5A3E;
  --paper:#FBF6EA; --paper-2:#F3E9D2; --paper-line:#D9C69C;
  --ink:#2E2113; --ink-dim:#6B5A3E; --card-bg:#FFFDF6;
  --brass:#9C6B2E; --brass-dark:#7A5220; --red:#8C3B2A;
}

:root{
  --disp: 'Big Shoulders Display', sans-serif;
  --body: 'Source Serif 4', Georgia, serif;
  --sans: 'IBM Plex Sans', Arial, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius: 2px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; font-size: 16px; }
html[data-fontsize="small"]{ font-size: 15px; }
html[data-fontsize="medium"]{ font-size: 16px; }
html[data-fontsize="large"]{ font-size: 18.5px; }
html[data-fontsize="xlarge"]{ font-size: 21px; }

html[data-font="editorial"]{
  --disp: 'Big Shoulders Display', sans-serif;
  --body: 'Source Serif 4', Georgia, serif;
  --sans: 'IBM Plex Sans', Arial, sans-serif;
}
html[data-font="sans"]{
  --disp: 'Space Grotesk', Arial, sans-serif;
  --body: 'Inter', Arial, sans-serif;
  --sans: 'Inter', Arial, sans-serif;
}
html[data-font="legivel"]{
  --disp: 'Atkinson Hyperlegible', Arial, sans-serif;
  --body: 'Atkinson Hyperlegible', Arial, sans-serif;
  --sans: 'Atkinson Hyperlegible', Arial, sans-serif;
}

body{
  margin:0;
  background: var(--blueprint);
  color: var(--line-cyan);
  font-family: var(--sans);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
:focus-visible{ outline:2px solid var(--brass); outline-offset:2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- fundo técnico (graph paper) ---------- */
.blueprint-field{
  background-image:
    linear-gradient(var(--blueprint-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint-line) 1px, transparent 1px);
  background-size: 34px 34px;
  background-color: var(--blueprint);
}

/* ---------- cantos de prancheta técnica ---------- */
.draft-corners{ position:relative; }
.draft-corners::before,
.draft-corners::after{
  content:"";
  position:absolute;
  width:22px; height:22px;
  border: 1.5px solid var(--brass);
  opacity:.75;
}
.draft-corners::before{ top:0; left:0; border-right:none; border-bottom:none; }
.draft-corners::after{ bottom:0; right:0; border-left:none; border-top:none; }

/* ---------- nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 5vw;
  background: var(--blueprint-deep);
  border-bottom: 1px solid var(--blueprint-line);
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--disp); font-weight:700; letter-spacing:.04em;
  text-decoration:none; color:var(--line-cyan); font-size:1.15rem;
  text-transform:uppercase;
}
.brand .seal{
  width:28px; height:28px; border-radius:50%;
  border:1.5px solid var(--brass);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:.6rem; color:var(--brass);
}
.nav-right{ display:flex; align-items:center; gap:6px; position:relative; }
.nav-links{ display:flex; gap:26px; list-style:none; margin:0; padding:0; flex-wrap:wrap; }
.nav-links a{
  font-family: var(--mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; text-decoration:none; color:var(--line-cyan-dim);
  padding-bottom:3px; border-bottom:1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color: var(--line-cyan); border-color: var(--brass);
}
.nav-toggle{ display:none; }

/* ---------- seletor de tema ---------- */
.theme-switcher{
  display:flex; align-items:center; gap:8px; margin-left:16px; padding-left:16px;
  border-left:1px solid var(--blueprint-line);
}
.theme-swatch{
  width:20px; height:20px; border-radius:50%; padding:0;
  border:1.5px solid var(--blueprint-line); cursor:pointer;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.theme-swatch:hover{ transform: translateY(-1px); }
.theme-swatch.is-active{
  border-color: var(--brass);
  box-shadow: 0 0 0 2px var(--blueprint-deep), 0 0 0 3px var(--brass);
}

/* ---------- painel de texto (Aa) ---------- */
.text-settings{
  position:relative; margin-left:16px; padding-left:16px;
  border-left:1px solid var(--blueprint-line);
}
.text-settings summary{
  list-style:none; cursor:pointer; user-select:none;
  font-family:var(--mono); font-size:.78rem; letter-spacing:.04em;
  color:var(--line-cyan-dim); border:1px solid var(--blueprint-line);
  padding:5px 11px; border-radius:2px;
  transition: color .15s ease, border-color .15s ease;
}
.text-settings summary::-webkit-details-marker{ display:none; }
.text-settings summary::marker{ content:""; }
.text-settings[open] summary, .text-settings summary:hover{
  color:var(--line-cyan); border-color:var(--brass);
}
.text-settings-panel{
  position:absolute; right:0; top:calc(100% + 10px);
  background:var(--blueprint-deep); border:1px solid var(--blueprint-line);
  padding:16px; width:230px; max-width:82vw; z-index:60;
  display:flex; flex-direction:column; gap:16px;
}
.text-settings-label{
  font-family:var(--mono); font-size:.64rem; letter-spacing:.09em; text-transform:uppercase;
  color:var(--brass); display:block; margin-bottom:8px;
}
.size-buttons, .font-buttons{ display:flex; gap:6px; flex-wrap:wrap; }
.size-buttons button, .font-buttons button{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.02em;
  background:transparent; border:1px solid var(--blueprint-line); color:var(--line-cyan-dim);
  padding:6px 9px; cursor:pointer; border-radius:2px;
  transition: color .15s ease, border-color .15s ease;
}
.font-buttons button{ flex:1 1 auto; text-align:center; }
.size-buttons button.is-active, .font-buttons button.is-active,
.size-buttons button:hover, .font-buttons button:hover{
  color:var(--line-cyan); border-color:var(--brass);
}
@media (max-width: 760px){
  .theme-switcher{ margin-left:12px; padding-left:12px; }
  .text-settings{ margin-left:12px; padding-left:12px; }
}

/* ---------- painel de idioma ---------- */
.lang-settings{
  position:relative; margin-left:16px; padding-left:16px;
  border-left:1px solid var(--blueprint-line);
}
.lang-settings summary{
  list-style:none; cursor:pointer; user-select:none;
  font-family:var(--mono); font-size:.78rem; letter-spacing:.04em;
  color:var(--line-cyan-dim); border:1px solid var(--blueprint-line);
  padding:5px 11px; border-radius:2px; min-width:2.6em; text-align:center;
  transition: color .15s ease, border-color .15s ease;
}
.lang-settings summary::-webkit-details-marker{ display:none; }
.lang-settings summary::marker{ content:""; }
.lang-settings[open] summary, .lang-settings summary:hover{
  color:var(--line-cyan); border-color:var(--brass);
}
.lang-panel{
  position:absolute; right:0; top:calc(100% + 10px);
  background:var(--blueprint-deep); border:1px solid var(--blueprint-line);
  padding:10px; width:180px; max-width:82vw; z-index:60;
  display:flex; flex-direction:column; gap:2px;
}
.lang-panel button{
  font-family:var(--sans); font-size:.84rem; text-align:left;
  background:transparent; border:1px solid transparent; color:var(--line-cyan-dim);
  padding:8px 10px; cursor:pointer; border-radius:2px;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.lang-panel button.is-active, .lang-panel button:hover{
  color:var(--line-cyan); border-color:var(--brass); background:rgba(255,255,255,0.04);
}
@media (max-width: 760px){
  .lang-settings{ margin-left:12px; padding-left:12px; }
}

@media (max-width: 760px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0;
    background: var(--blueprint-deep);
    border-bottom:1px solid var(--blueprint-line);
    max-height:0; overflow:hidden;
  }
  .nav-links.open{ max-height:400px; }
  .nav-links a{ padding:14px 5vw; border-bottom:1px solid var(--blueprint-line); }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--brass);
    color:var(--brass); font-family:var(--mono); padding:6px 10px; cursor:pointer;
  }
}

/* ---------- eyebrow / etiquetas mono ---------- */
.eyebrow{
  font-family: var(--mono); font-size:.72rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--brass);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:var(--brass); }

/* ---------- hero ---------- */
.hero{ padding: 64px 5vw 40px; }
.hero h1{
  font-family:var(--disp); text-transform:uppercase;
  font-size:clamp(2.4rem, 6vw, 4.6rem); line-height:.98;
  letter-spacing:.01em; margin:.3em 0 .3em; color:var(--line-cyan);
  max-width:16ch;
}
.hero .lede{
  max-width:62ch; color:var(--line-cyan-dim); font-family:var(--body);
  font-size:1.1rem;
}

/* ---------- botões ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase;
  padding:12px 20px; text-decoration:none; border-radius:var(--radius);
  border:1px solid var(--brass); color:var(--blueprint-deep);
  background:var(--brass); transition: transform .15s ease, background .15s ease;
}
.btn:hover{ background:#c99a4c; transform:translateY(-1px); }
.btn.ghost{ background:transparent; color:var(--line-cyan); border-color:var(--line-cyan-dim); }
.btn.ghost:hover{ border-color:var(--brass); color:var(--brass); }

/* ---------- painel de entrevista ---------- */
.interview{
  max-width:840px; margin: 46px auto 0; padding: 0 5vw;
  border-left: 1px solid var(--blueprint-line);
}
.interview .turn{ position:relative; padding: 0 0 30px 26px; }
.interview .turn::before{
  content:""; position:absolute; left:-4.5px; top:6px;
  width:8px; height:8px; border-radius:50%; background:var(--brass);
}
.interview .who{
  font-family:var(--mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--brass); margin-bottom:6px; display:block;
}
.interview .q{ color: var(--line-cyan); font-family:var(--sans); font-weight:600; }
.interview .a{ color: var(--line-cyan-dim); font-family:var(--body); margin-top:8px; font-size:1.02rem; }

/* ---------- secções em papel ---------- */
.paper-section{
  background: var(--paper); color: var(--ink);
  padding: 64px 5vw;
}
.paper-section h2{
  font-family:var(--disp); text-transform:uppercase; letter-spacing:.01em;
  font-size:clamp(1.8rem, 3.4vw, 2.6rem); margin:.2em 0 .5em; color:var(--ink);
}
.paper-section .eyebrow{ color:var(--brass-dark); }
.paper-section .eyebrow::before{ background:var(--brass-dark); }
.paper-section p{ font-family:var(--body); max-width:70ch; color:var(--ink-dim); }
.section-inner{ max-width:1180px; margin:0 auto; }

/* ---------- grelha das 5 áreas ---------- */
.areas-grid{
  display:grid; gap:22px;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  margin-top: 34px;
}
.area-card{
  background: var(--paper); color:var(--ink);
  border:1px solid var(--paper-line);
  padding: 22px 22px 24px;
  position:relative;
}
.area-card .area-num{
  font-family:var(--mono); font-size:.7rem; color:var(--ink-dim);
  position:absolute; top:14px; right:16px;
}
.area-card h3{
  font-family:var(--disp); text-transform:uppercase; font-size:1.55rem;
  margin:6px 0 4px; letter-spacing:.01em;
}
.area-card p{ font-family:var(--body); font-size:.92rem; color:var(--ink-dim); margin:0 0 16px; }
.blocks4{ display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.blocks4 a{
  display:block; text-decoration:none; color:#fff;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.05em; text-transform:uppercase;
  padding:12px 10px; min-height:52px;
  display:flex; align-items:flex-end;
  transition: filter .15s ease, transform .15s ease;
}
.blocks4 a:hover{ filter:brightness(1.12); transform:translateY(-2px); }
.area-card.energia .blocks4 a{ background:var(--a-energia); }
.area-card.neuro .blocks4 a{ background:var(--a-neuro); }
.area-card.ecologia .blocks4 a{ background:var(--a-ecologia); }
.area-card.tecnologia .blocks4 a{ background:var(--a-tecnologia); }
.area-card.arte .blocks4 a{ background:var(--a-arte); }
.area-card .go{
  display:inline-block; margin-top:16px; font-family:var(--mono); font-size:.72rem;
  letter-spacing:.08em; text-transform:uppercase; color:var(--brass-dark); text-decoration:none;
  border-bottom:1px solid var(--brass-dark);
}

/* ---------- ficha de conceito (com "carimbo") ---------- */
.concept-grid{
  display:grid; gap:20px;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  margin-top: 30px;
}
.concept-card{
  background: var(--card-bg); border:1px solid var(--paper-line);
  padding:22px; position:relative; overflow:hidden;
}
.concept-card .ref{
  font-family:var(--mono); font-size:.72rem; color:var(--ink-dim);
}
.concept-card h4{
  font-family:var(--disp); text-transform:uppercase; font-size:1.25rem;
  margin:.25em 0 .5em; letter-spacing:.005em;
}
.concept-card .field{
  font-family:var(--body); font-size:.94rem; color:var(--ink-dim); margin:0 0 10px;
}
.concept-card .field b{ color:var(--ink); font-weight:600; }
.stamp{
  display:inline-flex; flex-direction:column; align-items:center; justify-content:center;
  border:1.5px dashed var(--brass-dark); color:var(--brass-dark);
  padding:6px 10px; margin-top:14px; transform:rotate(-3deg);
  font-family:var(--mono); font-size:.62rem; letter-spacing:.09em; text-transform:uppercase;
  line-height:1.3;
}

/* ---------- serviços ---------- */
.service-grid{
  display:grid; gap:18px;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  margin-top:30px;
}
.service-card{
  border:1px solid var(--paper-line); background:var(--paper-2);
  padding:22px;
}
.service-card .num{ font-family:var(--disp); font-size:2rem; color:var(--brass-dark); line-height:1; }
.service-card h3{ font-family:var(--disp); text-transform:uppercase; font-size:1.2rem; margin:.4em 0 .3em; }
.service-card p{ font-family:var(--body); font-size:.92rem; color:var(--ink-dim); }

/* ---------- tabela / lista técnica ---------- */
.spec-list{ list-style:none; margin:24px 0 0; padding:0; border-top:1px solid var(--paper-line); }
.spec-list li{
  display:grid; grid-template-columns: 140px 1fr; gap:18px;
  padding:16px 0; border-bottom:1px solid var(--paper-line);
  font-family:var(--body);
}
.spec-list .k{ font-family:var(--mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--brass-dark); }

/* ---------- callout / aviso ---------- */
.callout{
  border-left:3px solid var(--brass-dark); background:var(--paper-2);
  padding:16px 20px; margin-top:30px; font-family:var(--body); font-size:.92rem; color:var(--ink-dim);
  max-width:70ch;
}

/* ---------- rodapé ---------- */
footer{
  background: var(--blueprint-deep); color:var(--line-cyan-dim);
  padding: 40px 5vw 30px; font-family:var(--mono); font-size:.72rem;
  border-top:1px solid var(--blueprint-line);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
}
footer a{ color:var(--line-cyan-dim); text-decoration:none; }
footer a:hover{ color:var(--brass); }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- página de área: header colorido ---------- */
.area-hero{ padding:70px 5vw 50px; position:relative; }
.area-hero .tag{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
  padding:5px 10px; display:inline-block; color:#fff; margin-bottom:14px;
}
.area-hero h1{
  font-family:var(--disp); text-transform:uppercase; font-size:clamp(2.2rem,5.6vw,4rem);
  margin:.15em 0 .3em; color:var(--line-cyan); line-height:.98;
}
.area-hero p{ max-width:60ch; color:var(--line-cyan-dim); font-family:var(--body); font-size:1.05rem; }

.tag.energia, .concept-card.energia .ref{ background:var(--a-energia); }
.tag.neuro{ background:var(--a-neuro); }
.tag.ecologia{ background:var(--a-ecologia); }
.tag.tecnologia{ background:var(--a-tecnologia); }
.tag.arte{ background:var(--a-arte); }

.accent-energia{ color:var(--a-energia); }
.accent-neuro{ color:var(--a-neuro); }
.accent-ecologia{ color:var(--a-ecologia); }
.accent-tecnologia{ color:var(--a-tecnologia); }
.accent-arte{ color:var(--a-arte); }
