/* ===========================================================
   FAMÍLIA STUANI — sistema visual
   Paleta inspirada na Serra Gaúcha: vinho, terracota das telhas
   coloniais, papel envelhecido dos documentos de imigração.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,ital@9..144,400,500,600;9..144,1,500&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --wine: #6a2338;
  --wine-dark: #4a1826;
  --terracotta: #bb5a34;
  --terracotta-light: #d98857;
  --paper: #f4ecd9;
  --paper-deep: #ecdfc2;
  --ink: #2b241d;
  --ink-soft: #5a5044;
  --vine: #4a5d3a;
  --gold: #a97c34;
  --line: rgba(43,36,29,0.14);
  --radius: 3px;
  --shadow: 0 12px 28px -14px rgba(43,24,18,0.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Source Serif 4', Georgia, serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:2000;
  background-image:radial-gradient(rgba(43,36,29,0.035) 1px, transparent 1px);
  background-size:3px 3px;
  opacity:.5;
}

h1,h2,h3,h4{
  font-family:'Fraunces', serif;
  font-weight:600;
  color:var(--wine-dark);
  margin:0 0 .4em;
  letter-spacing:-.01em;
}
a{color:var(--terracotta);}
.eyebrow{
  font-family:'Inter', sans-serif;
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  display:inline-block;
  margin-bottom:.9em;
}
.container{max-width:1080px; margin:0 auto; padding:0 28px;}
img{max-width:100%; display:block; border-radius:var(--radius);}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:linear-gradient(180deg, var(--paper) 80%, transparent);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--wine-dark);
}
.brand-crest{height:42px; width:auto; flex:none; object-fit:contain;}
.brand-text{font-family:'Fraunces', serif; font-weight:600; font-size:1.15rem; letter-spacing:.01em;}
.brand-text small{display:block; font-family:'Inter',sans-serif; font-weight:500; font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft);}
nav.mainnav{display:flex; gap:28px; font-family:'Inter',sans-serif; font-size:.86rem; font-weight:500;}
nav.mainnav a{color:var(--ink); text-decoration:none; position:relative; padding:4px 0;}
nav.mainnav a:hover, nav.mainnav a.active{color:var(--terracotta);}
nav.mainnav a.active::after{content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--terracotta);}
.navtoggle{display:none;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:76px 0 60px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute; right:-8%; top:-20%;
  width:520px; height:520px;
  background:radial-gradient(circle, rgba(187,90,52,0.16), transparent 68%);
  z-index:0;
}
.hero .container{position:relative; z-index:1;}
.hero h1{
  font-size:clamp(2.4rem, 5.2vw, 4rem);
  line-height:1.02;
  max-width:14ch;
}
.hero h1 em{font-style:italic; color:var(--terracotta); font-weight:500;}
.hero-lede{
  max-width:52ch;
  font-size:1.12rem;
  color:var(--ink-soft);
  margin-top:14px;
}
.hero-meta{
  margin-top:30px;
  display:flex; flex-wrap:wrap; gap:34px;
  font-family:'Inter',sans-serif;
}
.hero-meta div strong{
  display:block; font-family:'Fraunces',serif; font-size:1.5rem; color:var(--wine); font-weight:600;
}
.hero-meta div span{font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-soft);}
.hero-cta{margin-top:34px; display:flex; gap:14px; flex-wrap:wrap;}

.hero-grid{display:grid; grid-template-columns:1.5fr .85fr; gap:30px; align-items:center;}
.hero-crest{display:flex; flex-direction:column; align-items:center; text-align:center;}
.hero-crest img{max-width:100%; max-height:380px; width:auto; filter:drop-shadow(0 18px 26px rgba(74,24,38,0.22));}
.hero-crest-caption{margin-top:14px; font-family:'Inter',sans-serif; font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--gold); font-weight:600;}
.page-crest{height:96px; width:auto; margin-bottom:20px; filter:drop-shadow(0 10px 16px rgba(74,24,38,0.18));}

/* ---------- buttons ---------- */
.btn{
  font-family:'Inter',sans-serif; font-weight:600; font-size:.85rem;
  padding:13px 24px; border-radius:2px; text-decoration:none;
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid transparent; transition:transform .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--terracotta); color:#fff;}
.btn-primary:hover{transform:translateY(-1px); box-shadow:var(--shadow);}
.btn-ghost{border-color:var(--wine-dark); color:var(--wine-dark);}
.btn-ghost:hover{background:var(--wine-dark); color:#fff;}

/* ---------- vine timeline (signature element) ---------- */
.timeline-section{padding:70px 0; background:var(--paper-deep); border-bottom:1px solid var(--line);}
.timeline-head{max-width:62ch; margin-bottom:50px;}
.vine{
  position:relative;
  padding-left:34px;
  border-left:3px solid var(--vine);
}
.vine::before{
  content:"";
  position:absolute; left:-8px; top:-6px;
  width:16px; height:16px; border-radius:50%;
  background:var(--vine); border:3px solid var(--paper-deep);
}
.vine-node{position:relative; padding-bottom:44px;}
.vine-node:last-child{padding-bottom:0;}
.vine-node::before{
  content:"";
  position:absolute; left:-42px; top:4px;
  width:14px; height:14px; border-radius:2px;
  background:var(--terracotta);
  transform:rotate(45deg);
  border:2px solid var(--paper-deep);
}
.vine-year{
  font-family:'Inter',sans-serif; font-weight:700; font-size:.78rem;
  letter-spacing:.08em; color:var(--gold); text-transform:uppercase;
}
.vine-node h3{margin:.15em 0 .3em; font-size:1.25rem;}
.vine-node p{margin:0; color:var(--ink-soft); max-width:60ch;}

/* ---------- cards / grid ---------- */
.section{padding:76px 0;}
.section-head{max-width:64ch; margin-bottom:44px;}
.grid{display:grid; gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:#fff8ec;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px); box-shadow:var(--shadow);}
.card img{aspect-ratio:4/3; object-fit:cover; width:100%;}
.card-body{padding:20px 22px 24px;}
.card-body .eyebrow{margin-bottom:.5em;}
.card-body h3{font-size:1.1rem; margin-bottom:.35em;}
.card-body p{color:var(--ink-soft); font-size:.95rem; margin:0;}
.card-link{font-family:'Inter',sans-serif; font-size:.82rem; font-weight:600; color:var(--terracotta); text-decoration:none; margin-top:10px; display:inline-block;}

/* ---------- document callout ---------- */
.doc{
  background:#fbf5e6;
  border:1px solid var(--gold);
  border-left:4px solid var(--gold);
  padding:20px 24px;
  margin:26px 0;
  border-radius:2px;
  font-family:'Inter',sans-serif;
  font-size:.88rem;
  color:var(--ink-soft);
}
.doc strong{color:var(--wine-dark);}

/* ---------- generation blocks (história page) ---------- */
.gen{
  padding:38px 0;
  border-top:1px solid var(--line);
}
.gen:first-of-type{border-top:none;}
.gen-number{
  font-family:'Fraunces',serif; font-style:italic; color:var(--terracotta-light);
  font-size:1rem; margin-bottom:.2em; display:block;
}
.gen h2{font-size:1.7rem;}
.gen .figure{margin:22px 0;}
.gen .figure figcaption{
  font-family:'Inter',sans-serif; font-size:.78rem; color:var(--ink-soft); margin-top:8px;
}
.children-list{
  columns:2; column-gap:32px;
  font-family:'Inter',sans-serif; font-size:.88rem; color:var(--ink-soft);
  list-style:none; padding:0; margin:14px 0 0;
}
.children-list li{padding:5px 0; border-bottom:1px dotted var(--line); break-inside:avoid;}

/* ---------- photo lightbox strip ---------- */
.photo-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin:24px 0;}
.photo-strip a{display:block; overflow:hidden; border-radius:2px;}
.photo-strip img{aspect-ratio:1/1; object-fit:cover; transition:transform .3s ease;}
.photo-strip a:hover img{transform:scale(1.06);}

/* ---------- band / CTA ---------- */
.band{
  background:var(--wine-dark);
  color:#f4ecd9;
  padding:64px 0;
  text-align:center;
}
.band h2{color:#fff;}
.band p{color:#e4d3c9; max-width:52ch; margin:0 auto 26px;}
.band .btn-primary{background:var(--terracotta-light);}

/* ---------- forms ---------- */
.form-wrap{max-width:640px;}
.form-note{
  background:#fbf5e6; border:1px solid var(--line); border-radius:var(--radius);
  padding:16px 20px; font-family:'Inter',sans-serif; font-size:.86rem; color:var(--ink-soft);
  margin-bottom:30px;
}
.form-note strong{color:var(--wine-dark);}
label{
  display:block; font-family:'Inter',sans-serif; font-weight:600; font-size:.82rem;
  margin:20px 0 8px; color:var(--ink);
}
label .req{color:var(--terracotta);}
input[type=text], input[type=email], textarea, select, input[type=file]{
  width:100%; font-family:'Inter',sans-serif; font-size:.95rem;
  padding:12px 14px; border:1px solid var(--line); border-radius:2px;
  background:#fff; color:var(--ink);
}
textarea{min-height:150px; resize:vertical;}
.hint{font-family:'Inter',sans-serif; font-size:.76rem; color:var(--ink-soft); margin-top:6px;}
.form-submit{margin-top:30px;}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:44px 0 60px;
  font-family:'Inter',sans-serif; font-size:.82rem; color:var(--ink-soft);
}
footer .container{display:flex; justify-content:space-between; flex-wrap:wrap; gap:28px;}
footer .footer-col{display:flex; flex-direction:column; gap:6px;}
footer .footer-credit{text-align:right;}
footer .footer-credit a{color:var(--terracotta); text-decoration:none;}
footer .footer-credit a:hover{text-decoration:underline;}
@media (max-width:640px){
  footer .container{flex-direction:column; gap:18px;}
  footer .footer-credit{text-align:left;}
}

/* ---------- árvore genealógica interativa ---------- */
.fam-tree{position:relative; padding-left:34px; border-left:3px solid var(--vine); max-width:760px;}
.fam-tree::before{content:""; position:absolute; left:-8px; top:-6px; width:16px; height:16px; border-radius:50%; background:var(--vine); border:3px solid var(--paper);}
.fam-node{position:relative; padding-bottom:34px;}
.fam-node:last-child{padding-bottom:0;}
.fam-node::before{content:""; position:absolute; left:-42px; top:8px; width:14px; height:14px; border-radius:2px; background:var(--terracotta); transform:rotate(45deg); border:2px solid var(--paper);}
.fam-card{background:#fff8ec; border:1px solid var(--line); border-radius:var(--radius); padding:20px 24px; transition:box-shadow .2s ease;}
.fam-card:hover{box-shadow:var(--shadow);}
.fam-gen-label{font-family:'Inter',sans-serif; font-weight:700; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold);}
.fam-names{font-family:'Fraunces',serif; font-size:1.35rem; color:var(--wine-dark); margin:.2em 0 .1em; font-weight:600;}
.fam-place{font-family:'Inter',sans-serif; font-size:.82rem; color:var(--ink-soft); margin-bottom:10px;}
.fam-card details{margin-top:10px;}
.fam-card summary{
  cursor:pointer; font-family:'Inter',sans-serif; font-weight:600; font-size:.82rem;
  color:var(--terracotta); list-style:none; display:inline-flex; align-items:center; gap:6px;
}
.fam-card summary::-webkit-details-marker{display:none;}
.fam-card summary::before{content:"+"; display:inline-block; width:16px; height:16px; border-radius:50%; border:1.5px solid var(--terracotta); text-align:center; line-height:13px; font-size:.9rem;}
.fam-card details[open] summary::before{content:"–";}
.fam-detail-text{font-family:'Source Serif 4',serif; font-size:.92rem; color:var(--ink-soft); margin-top:10px; line-height:1.6;}
.fam-detail-text strong{color:var(--wine-dark);}
.fam-kids{font-family:'Inter',sans-serif; font-size:.82rem; color:var(--ink-soft); margin-top:8px;}
.fam-you{outline:2px dashed var(--terracotta); outline-offset:4px;}
@media (max-width:640px){
  .fam-tree{padding-left:26px;}
  .fam-node::before{left:-34px;}
}
@media (max-width: 860px){
  .grid-3{grid-template-columns:1fr 1fr;}
  .children-list{columns:1;}
  .photo-strip{grid-template-columns:repeat(2,1fr);}
  .hero-grid{grid-template-columns:1fr; text-align:left;}
  .hero-crest{order:-1; margin-bottom:10px;}
  .hero-crest img{max-height:220px;}
}
@media (max-width: 640px){
  nav.mainnav{position:fixed; inset:64px 0 0 0; background:var(--paper); flex-direction:column; padding:30px 28px; gap:22px; font-size:1.1rem; transform:translateY(-110%); transition:transform .25s ease; z-index:90;}
  nav.mainnav.open{transform:translateY(0);}
  .navtoggle{display:block; background:none; border:none; font-family:'Inter',sans-serif; font-weight:600; cursor:pointer; color:var(--wine-dark); font-size:1.4rem; padding:8px; margin:-8px;}
  .grid-3, .grid-2{grid-template-columns:1fr;}
  .hero{padding:52px 0 40px;}
  .photo-strip{grid-template-columns:repeat(2,1fr);}
  .btn{width:100%; justify-content:center;}
  .hero-cta{flex-direction:column;}
}
@media (max-width: 420px){
  .brand-text{font-size:.98rem;}
  .brand-text small{font-size:.56rem; letter-spacing:.1em;}
}
@media (max-width: 360px){
  .brand-text small{display:none;}
}

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