/* =========================================================
   ARQUIVOS DA FILOSOFIA — design tokens
   Paleta: preto profundo + roxo antigo + dourado + fio "tech"
   Tipografia: Playfair Display (display) + EB Garamond (corpo)
               + JetBrains Mono (utilitária / rótulos técnicos)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,700;0,900;1,600&family=EB+Garamond:ital,wght@0,400;0,500;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --void:        #050308;
  --bg-deep:     #0c0716;
  --bg-panel:    #140c22;
  --purple-950:  #1c1130;
  --purple-800:  #2f1f52;
  --purple-600:  #4a2f7a;
  --gold:        #c9a24b;
  --gold-bright: #eecd85;
  --gold-dim:    #6e5726;
  --parchment:   #ece3cf;
  --ink-soft:    #b9aed2;
  --ink-faint:   #6f6488;
  --line:        rgba(201,162,75,0.18);

  --font-display: 'Playfair Display', 'Times New Roman', serif;
  --font-body:    'EB Garamond', Georgia, serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --radius-lg: 22px;
  --radius-md: 14px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, var(--purple-800) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 10%, rgba(74,47,122,0.35) 0%, transparent 60%),
    var(--void);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 18px;
  line-height:1.6;
  overflow-x:hidden;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
img{ max-width:100%; display:block; }
::selection{ background:var(--gold-dim); color:var(--gold-bright); }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:linear-gradient(90deg, transparent, var(--gold));
}

.container{ max-width:1180px; margin:0 auto; padding:0 28px; }

:focus-visible{
  outline:2px solid var(--gold-bright);
  outline-offset:3px;
  border-radius:6px;
}

/* ---------- Fio dourado "circuito" decorativo ---------- */
.rune-line{
  position:relative;
  height:1px;
  background:linear-gradient(90deg, transparent, var(--line), transparent);
  margin:64px 0;
}
.rune-line::after{
  content:"◆";
  position:absolute; left:50%; top:50%;
  transform:translate(-50%,-50%);
  background:var(--void);
  color:var(--gold);
  font-size:10px;
  padding:0 14px;
}

/* ---------- Canvas de fundo: partículas / estrelas ---------- */
#bg-canvas{
  position:fixed; inset:0;
  width:100%; height:100%;
  z-index:0;
  pointer-events:none;
  opacity:.75;
}

/* ---------- Header / nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(5,3,8,0.55);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px;
  max-width:1180px; margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-display);
  font-size:22px; font-weight:700;
  color:var(--parchment);
}
.brand .mark{
  width:34px; height:34px;
  border:1px solid var(--gold);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--gold);
  font-size:16px;
  box-shadow:0 0 18px rgba(201,162,75,0.35);
}
.brand small{
  display:block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--ink-faint);
  font-weight:400;
  text-transform:uppercase;
}

nav.menu{ display:flex; gap:6px; }
nav.menu a{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--ink-soft);
  padding:9px 14px;
  border-radius:999px;
  transition:all .25s var(--ease);
  letter-spacing:.02em;
}
nav.menu a:hover, nav.menu a.active{
  color:var(--gold-bright);
  background:rgba(201,162,75,0.08);
}
.nav-toggle{ display:none; }

@media (max-width:880px){
  nav.menu{
    position:fixed; inset:64px 0 0 0;
    flex-direction:column;
    background:rgba(5,3,8,0.98);
    padding:24px;
    transform:translateY(-8px);
    opacity:0; pointer-events:none;
    transition:.25s var(--ease);
  }
  nav.menu.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  nav.menu a{ font-size:16px; padding:14px; border-bottom:1px solid var(--line); border-radius:0; }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--line);
    color:var(--gold); width:40px; height:40px; border-radius:8px; font-size:18px;
  }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; z-index:1;
  padding:120px 28px 90px;
  text-align:center;
}
.hero h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(36px, 6vw, 68px);
  line-height:1.08;
  margin:22px auto 20px;
  max-width:820px;
  background:linear-gradient(180deg, var(--parchment) 20%, var(--gold-bright) 95%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero .sub{
  max-width:560px; margin:0 auto 40px;
  color:var(--ink-soft); font-size:19px; font-style:italic;
}

/* livro antigo que "abre" — signature element */
.book-open{
  width:220px; height:150px; margin:0 auto 34px;
  perspective:900px;
}
.book-open .page{
  position:absolute;
}
.book-svg{ width:100%; height:100%; overflow:visible; }
.book-svg .cover{ fill:var(--purple-950); stroke:var(--gold); stroke-width:1; }
.book-svg .leaf{
  transform-origin:110px 120px;
  animation:pageTurn 5s var(--ease) infinite;
}
.book-svg .leaf.l2{ animation-delay:.4s; }
.book-svg .glow-line{
  stroke:var(--gold-bright); stroke-width:1; opacity:.7;
  stroke-dasharray:4 6;
  animation:dash 6s linear infinite;
}
@keyframes pageTurn{
  0%,10%{ transform:rotateY(0deg); }
  45%,55%{ transform:rotateY(-165deg); }
  90%,100%{ transform:rotateY(0deg); }
}
@keyframes dash{ to{ stroke-dashoffset:-100; } }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono);
  font-size:13px; letter-spacing:.08em; text-transform:uppercase;
  padding:15px 30px;
  border-radius:999px;
  border:1px solid var(--gold);
  color:var(--void);
  background:linear-gradient(180deg, var(--gold-bright), var(--gold));
  box-shadow:0 8px 30px -8px rgba(201,162,75,0.55);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover{ transform:translateY(-2px); box-shadow:0 12px 34px -6px rgba(201,162,75,0.7); }
.btn.ghost{
  background:transparent; color:var(--gold-bright);
  box-shadow:none;
}
.btn.ghost:hover{ background:rgba(201,162,75,0.08); }
.btn.small{ padding:9px 18px; font-size:11px; }

.hero-actions{
  display:flex; align-items:center; justify-content:center;
  gap:16px; flex-wrap:wrap;
}
.playstore-btn{ display:inline-flex; align-items:center; gap:9px; }
.playstore-btn svg{ flex-shrink:0; }

.footer-app-link{
  display:inline-flex; align-items:center; gap:6px;
  color:var(--gold-bright);
  border-bottom:1px solid var(--gold-dim);
  padding-bottom:1px;
  transition:.2s var(--ease);
}
.footer-app-link:hover{ color:var(--parchment); border-color:var(--gold-bright); }

/* ---------- Card de frase ---------- */
.frase-section{ position:relative; z-index:1; padding:0 28px 80px; }
.frase-card{
  max-width:720px; margin:0 auto;
  position:relative;
  background:linear-gradient(160deg, rgba(28,17,48,0.75), rgba(12,7,22,0.85));
  backdrop-filter:blur(20px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:56px 48px 40px;
  box-shadow:0 40px 80px -30px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.03);
  transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.frase-card::before,.frase-card::after{
  content:"";
  position:absolute; width:26px; height:26px;
  border:1px solid var(--gold-dim);
  opacity:.7;
}
.frase-card::before{ top:14px; left:14px; border-right:none; border-bottom:none; }
.frase-card::after{ bottom:14px; right:14px; border-left:none; border-top:none; }
.frase-card.loading{ opacity:.35; transform:scale(.99); }

.frase-card .quote-mark{
  font-family:var(--font-display); font-size:60px; color:var(--gold-dim);
  line-height:0; display:block; margin-bottom:6px;
}
#frase{
  font-family:var(--font-display);
  font-size:clamp(22px, 3.2vw, 32px);
  font-weight:500; font-style:italic;
  color:var(--parchment);
  margin:0 0 26px;
}
.frase-meta{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
#autor{
  font-family:var(--font-mono); font-size:14px; letter-spacing:.04em;
  color:var(--gold-bright);
}
#autor::before{ content:"— "; color:var(--gold-dim); }
#categoria{
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.14em;
  color:var(--ink-faint);
  border:1px solid var(--line); padding:4px 10px; border-radius:999px;
}
.frase-actions{ display:flex; gap:10px; margin-top:30px; flex-wrap:wrap; }
.icon-btn{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line);
  color:var(--ink-soft);
  padding:10px 16px; border-radius:999px;
  font-family:var(--font-mono); font-size:12px;
  transition:.2s var(--ease);
}
.icon-btn:hover{ color:var(--gold-bright); border-color:var(--gold); }
.icon-btn.active{ color:var(--gold-bright); border-color:var(--gold); background:rgba(201,162,75,0.1); }

.cta-row{ text-align:center; margin-top:34px; }

/* ---------- Seções gerais ---------- */
section{ position:relative; z-index:1; padding:60px 28px; }
.section-head{ text-align:center; max-width:640px; margin:0 auto 46px; }
.section-head h2{
  font-family:var(--font-display); font-size:clamp(28px,4vw,42px);
  margin:14px 0 12px; color:var(--parchment);
}
.section-head p{ color:var(--ink-soft); }

/* Grade de filósofos */
.grid{
  max-width:1120px; margin:0 auto;
  display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:20px;
}
.philosopher-card{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 22px;
  transition:.3s var(--ease);
  position:relative; overflow:hidden;
}
.philosopher-card:hover{
  transform:translateY(-5px);
  border-color:var(--gold);
  box-shadow:0 20px 40px -20px rgba(201,162,75,0.3);
}
.philosopher-card .initial{
  width:46px; height:46px; border-radius:50%;
  border:1px solid var(--gold-dim);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); color:var(--gold-bright); font-size:19px;
  margin-bottom:16px;
}
.philosopher-card h3{ font-family:var(--font-display); font-size:20px; margin:0 0 6px; }
.philosopher-card .count{ font-family:var(--font-mono); font-size:12px; color:var(--ink-faint); }
.philosopher-card .view{
  margin-top:16px; font-family:var(--font-mono); font-size:11px;
  text-transform:uppercase; letter-spacing:.1em; color:var(--gold);
  display:inline-flex; align-items:center; gap:6px;
}

/* Busca */
.search-wrap{ max-width:640px; margin:0 auto 30px; position:relative; }
.search-wrap input{
  width:100%; background:rgba(255,255,255,0.03);
  border:1px solid var(--line); color:var(--parchment);
  padding:16px 20px; border-radius:999px;
  font-family:var(--font-body); font-size:17px;
}
.search-wrap input:focus{ border-color:var(--gold); outline:none; }
.search-meta{ text-align:center; font-family:var(--font-mono); font-size:12px; color:var(--ink-faint); margin-bottom:24px; }
.result-list{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:14px; }
.result-item{
  border:1px solid var(--line); border-radius:var(--radius-md);
  padding:20px 24px; background:rgba(255,255,255,0.02);
}
.result-item p{ font-family:var(--font-display); font-style:italic; margin:0 0 8px; font-size:18px; }
.result-item span{ font-family:var(--font-mono); font-size:12px; color:var(--gold); }

/* Modo Zen */
body.zen{ }
body.zen header, body.zen .no-zen{ opacity:.15; pointer-events:none; filter:blur(1px); }
body.zen #frase{ font-size:clamp(28px,4.4vw,44px); }
body.zen .frase-card{ box-shadow:0 0 120px 20px rgba(74,47,122,0.35); }
.zen-toggle-wrap{ position:fixed; bottom:24px; right:24px; z-index:60; }

/* Gerador de imagem */
.image-gen{
  max-width:900px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center;
}
@media (max-width:760px){ .image-gen{ grid-template-columns:1fr; } }
.image-gen-controls{ display:flex; flex-direction:column; gap:14px; }
.format-row{ display:flex; gap:8px; flex-wrap:wrap; }
.format-chip{
  font-family:var(--font-mono); font-size:12px;
  padding:8px 14px; border-radius:999px;
  border:1px solid var(--line); color:var(--ink-soft);
}
.format-chip.active{ color:var(--void); background:var(--gold-bright); border-color:var(--gold-bright); }
#preview-canvas{
  width:100%; border-radius:var(--radius-md); border:1px solid var(--line);
  box-shadow:0 30px 60px -20px rgba(0,0,0,0.7);
}

/* Favoritos */
.empty-state{
  text-align:center; color:var(--ink-faint); font-family:var(--font-mono);
  font-size:13px; padding:40px 0;
}

/* Footer */
footer{
  border-top:1px solid var(--line);
  padding:50px 28px; text-align:center;
  color:var(--ink-faint); font-family:var(--font-mono); font-size:12px;
  position:relative; z-index:1;
}
footer .brand{ justify-content:center; margin-bottom:14px; }

/* Toast */
#toast{
  position:fixed; bottom:24px; left:50%; transform:translate(-50%,20px);
  background:var(--bg-panel); border:1px solid var(--gold);
  color:var(--gold-bright); padding:12px 22px; border-radius:999px;
  font-family:var(--font-mono); font-size:13px;
  opacity:0; pointer-events:none; transition:.3s var(--ease);
  z-index:99;
}
#toast.show{ opacity:1; transform:translate(-50%,0); }

/* Reveal on scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }