/* =========================================================
   PET CONSELHOS — Design Tokens
   Concept: "Caderno de campo" (field notebook) kept by
   someone who actually looks after animals — vet-adjacent
   trust, not a pastel nursery. Paper-toned background,
   pine green for authority, honey accent for warmth.
   ========================================================= */

:root{
  /* --- Color --- */
  --color-bg:            #F6F2E7;   /* warm oat paper */
  --color-bg-raised:     #FFFDF7;   /* card surface, slightly lifted off paper */
  --color-ink:           #24261F;   /* near-black, warm cast */
  --color-ink-soft:      #565A4C;   /* secondary text */
  --color-pine:          #1F4D3A;   /* primary brand / trust */
  --color-pine-dark:     #163A2B;
  --color-honey:         #E2A233;   /* warm accent — energy, CTAs */
  --color-honey-dark:    #B97F1F;
  --color-line:          #DDD5C2;   /* hairline / dividers on paper */
  --color-line-strong:   #C7BCA0;
  --color-tag-dog:       #1F4D3A;
  --color-tag-cat:       #7A4B2A;
  --color-tag-other:     #4B5A73;
  --color-alert-bg:      #FBEFD9;
  --color-alert-border:  #E2A233;
  --color-vet-bg:        #EAF1EC;
  --color-vet-border:    #1F4D3A;

  /* --- Type --- */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* --- Scale --- */
  --step-1: clamp(2.1rem, 1.6rem + 2.2vw, 3.4rem);   /* H1 */
  --step-2: clamp(1.5rem, 1.3rem + 1vw, 2rem);        /* H2 */
  --step-3: clamp(1.2rem, 1.1rem + 0.4vw, 1.4rem);    /* H3 */
  --step-body: 1.0625rem;
  --step-small: 0.875rem;
  --step-eyebrow: 0.78rem;

  /* --- Layout --- */
  --maxw: 1180px;
  --radius: 4px;
  --shadow-card: 0 1px 2px rgba(36,38,31,0.06), 0 6px 20px rgba(36,38,31,0.05);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--color-pine); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
a:hover{ color: var(--color-pine-dark); }
:focus-visible{ outline: 2.5px solid var(--color-honey-dark); outline-offset: 2px; }

h1,h2,h3{ font-family: var(--font-display); color: var(--color-ink); line-height:1.12; margin:0 0 0.5em; font-weight:600; }
h1{ font-size: var(--step-1); letter-spacing: -0.01em; }
h2{ font-size: var(--step-2); letter-spacing: -0.005em; }
h3{ font-size: var(--step-3); }
p{ margin: 0 0 1.1em; }
.container{ max-width: var(--maxw); margin-inline:auto; padding-inline: 24px; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: var(--step-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--color-pine);
  display:flex; align-items:center; gap:8px;
  margin-bottom: 10px;
}
.eyebrow::before{
  content:"";
  width: 14px; height: 2px; background: var(--color-honey-dark);
  display:inline-block;
}

/* =============== HEADER =============== */
.site-header{
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
  position: sticky; top:0; z-index: 50;
}
.site-header .bar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px;
  max-width: var(--maxw); margin-inline:auto;
  gap: 16px;
}
.logo{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-display); font-weight:700; font-size:1.35rem;
  color: var(--color-ink); text-decoration:none;
}
.logo:hover{ color: var(--color-ink); }
.logo svg{ flex-shrink:0; }
.logo .logo-dot{ color: var(--color-honey-dark); }

nav.primary-nav{ display:flex; gap: 26px; }
nav.primary-nav a{
  color: var(--color-ink); text-decoration:none; font-size:0.94rem; font-weight:500;
  position:relative; padding: 4px 0;
}
nav.primary-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background: var(--color-honey); transform: scaleX(0); transform-origin:left;
  transition: transform .15s ease;
}
nav.primary-nav a:hover::after, nav.primary-nav a.active::after{ transform: scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.search-toggle{
  display:flex; align-items:center; gap:6px;
  background: var(--color-bg-raised); border:1px solid var(--color-line-strong);
  border-radius: var(--radius); padding: 7px 12px; font-size:0.86rem; color:var(--color-ink-soft);
  cursor:pointer;
}
.menu-toggle{ display:none; background:none; border:1px solid var(--color-line-strong); border-radius:var(--radius); padding:7px 10px; cursor:pointer; }

@media (max-width: 860px){
  nav.primary-nav{ display:none; }
  .menu-toggle{ display:inline-flex; }
}

/* =============== BUTTONS =============== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-body); font-weight:600; font-size:0.92rem;
  padding: 12px 22px; border-radius: var(--radius); text-decoration:none;
  border: 1.5px solid transparent; cursor:pointer; transition: all .15s ease;
}
.btn-primary{ background: var(--color-pine); color:#fff; }
.btn-primary:hover{ background: var(--color-pine-dark); color:#fff; }
.btn-secondary{ background:transparent; border-color: var(--color-ink); color: var(--color-ink); }
.btn-secondary:hover{ background: var(--color-ink); color:#fff; }
.btn-honey{ background: var(--color-honey); color: var(--color-pine-dark); }
.btn-honey:hover{ background: var(--color-honey-dark); color:#fff; }

/* =============== HERO =============== */
.hero{ padding: 64px 0 56px; border-bottom:1px solid var(--color-line); }
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap:48px; align-items:center; }
.hero h1{ max-width: 12ch; }
.hero .lede{ font-size:1.12rem; color: var(--color-ink-soft); max-width: 46ch; margin-bottom:26px; }

.search-box{
  display:flex; align-items:center; gap:10px;
  background: var(--color-bg-raised); border:1.5px solid var(--color-ink);
  border-radius: var(--radius); padding: 6px 6px 6px 16px; max-width: 480px;
}
.search-box input{
  flex:1; border:none; background:transparent; font-family:var(--font-body);
  font-size:0.98rem; padding:10px 0; outline:none; color:var(--color-ink);
}
.search-box button{
  background: var(--color-pine); color:#fff; border:none; border-radius:3px;
  padding: 10px 16px; font-weight:600; font-size:0.88rem; cursor:pointer;
}

.pill-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.pill{
  font-family: var(--font-mono); font-size: 0.82rem;
  border:1px solid var(--color-line-strong); border-radius: 999px;
  padding: 6px 14px; color: var(--color-ink-soft); text-decoration:none;
  background: var(--color-bg-raised);
}
.pill:hover{ border-color: var(--color-pine); color: var(--color-pine); }

/* hero side visual: "field card" stack */
.hero-visual{ position:relative; height: 320px; }
.field-card{
  position:absolute; width: 240px; background: var(--color-bg-raised);
  border:1px solid var(--color-line); border-radius: var(--radius);
  box-shadow: var(--shadow-card); padding: 18px 18px 16px;
}
.field-card .fc-tag{ font-family:var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:.07em; color:var(--color-honey-dark); margin-bottom:6px; display:block;}
.field-card h4{ font-family: var(--font-display); font-size:1.05rem; margin:0 0 4px; }
.field-card p{ font-size:0.85rem; color: var(--color-ink-soft); margin:0; }
.field-card.fc-1{ top:0; left:10%; transform: rotate(-3deg); z-index:2; }
.field-card.fc-2{ top:120px; left:0; transform: rotate(2deg); z-index:1; }
.field-card.fc-3{ top:60px; right:0; transform: rotate(4deg); z-index:3; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ display:none; }
}

/* =============== SECTION SCAFFOLDING =============== */
.section{ padding: 56px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom: 30px; border-bottom:1px solid var(--color-line); padding-bottom:18px; }
.section-head h2{ margin:0; }
.section-head .see-all{ font-family: var(--font-mono); font-size:0.82rem; white-space:nowrap; }
.section-alt{ background: var(--color-bg-raised); border-top:1px solid var(--color-line); border-bottom:1px solid var(--color-line); }

/* =============== CATEGORY CARDS =============== */
.cat-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap:18px; }
.cat-card{
  display:block; text-decoration:none; background: var(--color-bg-raised);
  border:1px solid var(--color-line); border-radius: var(--radius);
  padding: 22px 20px; transition: border-color .15s ease, transform .15s ease;
}
.cat-card:hover{ border-color: var(--color-pine); transform: translateY(-2px); }
.cat-card .cat-icon{ width:30px; height:4px; border-radius:2px; margin-bottom: 16px; background: var(--color-honey-dark); }
.cat-card:nth-child(2n) .cat-icon{ background: var(--color-pine); }
.cat-card:nth-child(3n) .cat-icon{ background: var(--color-tag-cat); }
.cat-card:nth-child(4n) .cat-icon{ background: var(--color-tag-other); }
.cat-card h3{ font-size:1.05rem; margin-bottom:6px; color: var(--color-ink); }
.cat-card p{ font-size:0.86rem; color: var(--color-ink-soft); margin:0; }
@media (max-width: 860px){ .cat-grid{ grid-template-columns: repeat(2,1fr); } }

/* =============== ARTICLE CARDS =============== */
.article-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.article-card{ text-decoration:none; color:inherit; display:block; }
.article-card .thumb{
  aspect-ratio: 4/3; border-radius: var(--radius); background: var(--color-line);
  margin-bottom:14px; overflow:hidden; position:relative;
  background: linear-gradient(135deg, #E7DFC9, #DCD3B8);
}
.article-card .tag{
  position:absolute; top:12px; left:12px; font-family:var(--font-mono);
  font-size:0.7rem; text-transform:uppercase; letter-spacing:.06em;
  background: var(--color-pine); color:#fff; padding:4px 9px; border-radius: 3px;
}
.article-card .tag.cat{ background: var(--color-tag-cat); }
.article-card .tag.other{ background: var(--color-tag-other); }
.article-card h3{ font-size:1.08rem; margin-bottom:6px; }
.article-card p{ font-size:0.88rem; color: var(--color-ink-soft); margin:0; }
.article-card .meta{ font-family: var(--font-mono); font-size:0.74rem; color: var(--color-ink-soft); margin-top:8px; }
@media (max-width: 860px){ .article-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .article-grid{ grid-template-columns: 1fr; } }

/* =============== TOOLS =============== */
.tool-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:18px; }
.tool-card{
  background: var(--color-pine); color:#fff; border-radius: var(--radius);
  padding:24px 22px; text-decoration:none; display:block;
  transition: background .15s ease;
}
.tool-card:hover{ background: var(--color-pine-dark); }
.tool-card .eyebrow{ color: var(--color-honey); }
.tool-card .eyebrow::before{ background: var(--color-honey); }
.tool-card h3{ color:#fff; font-size:1.05rem; margin-bottom:6px; }
.tool-card p{ color: #DDE8E1; font-size:0.86rem; margin:0; }
@media (max-width: 860px){ .tool-grid{ grid-template-columns: 1fr; } }

/* =============== NEWSLETTER =============== */
.newsletter{ background: var(--color-ink); color:#F6F2E7; border-radius: var(--radius); padding: 40px 36px; display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.newsletter h2{ color:#fff; font-size:1.5rem; max-width:20ch; margin-bottom:8px; }
.newsletter p{ color:#C9C6BB; margin:0; max-width:40ch; }
.newsletter form{ display:flex; gap:10px; flex-wrap:wrap; }
.newsletter input{ padding:12px 14px; border-radius:3px; border:none; font-family:var(--font-body); min-width:220px; }

/* =============== BREADCRUMB =============== */
.breadcrumb{ font-family: var(--font-mono); font-size:0.78rem; color: var(--color-ink-soft); padding: 18px 0; }
.breadcrumb a{ color: var(--color-ink-soft); text-decoration:none; }
.breadcrumb a:hover{ color: var(--color-pine); }
.breadcrumb .sep{ margin: 0 6px; opacity:.6; }

/* =============== ARTICLE PAGE =============== */
.article-header{ padding: 6px 0 30px; border-bottom:1px solid var(--color-line); }
.article-header .cat-label{ font-family: var(--font-mono); font-size:0.8rem; text-transform:uppercase; letter-spacing:.06em; color: var(--color-honey-dark); }
.article-header h1{ margin: 10px 0 14px; max-width: 22ch; }
.article-meta{ display:flex; gap:18px; font-size:0.86rem; color: var(--color-ink-soft); flex-wrap:wrap; }
.article-meta span{ display:flex; align-items:center; gap:6px; }

.article-layout{ display:grid; grid-template-columns: 1fr 260px; gap: 56px; padding: 40px 0 0; align-items:start; }
.article-body h2{ margin-top: 1.6em; }
.article-body h3{ margin-top: 1.3em; }
.article-body ul, .article-body ol{ padding-left: 1.3em; }
.article-body li{ margin-bottom: 0.5em; }

/* Quick-answer signature card */
.quick-answer{
  background: var(--color-vet-bg); border-left: 4px solid var(--color-vet-border);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px; margin: 4px 0 32px;
}
.quick-answer .qa-label{
  font-family: var(--font-mono); font-size:0.74rem; text-transform:uppercase;
  letter-spacing:.08em; color: var(--color-pine); display:block; margin-bottom:8px;
}
.quick-answer p:last-child{ margin-bottom:0; }
.quick-answer strong{ color: var(--color-pine-dark); }

.alert-box{
  background: var(--color-alert-bg); border-left: 4px solid var(--color-alert-border);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 22px; margin: 24px 0;
}
.alert-box .al-label{ font-family: var(--font-mono); font-size:0.74rem; text-transform:uppercase; letter-spacing:.08em; color: var(--color-honey-dark); display:block; margin-bottom:6px; }
.alert-box p:last-child{ margin-bottom:0; }

.toc{ border:1px solid var(--color-line); border-radius: var(--radius); padding: 18px 20px; background: var(--color-bg-raised); margin: 24px 0; }
.toc .toc-title{ font-family:var(--font-mono); font-size:0.76rem; text-transform:uppercase; letter-spacing:.07em; color: var(--color-ink-soft); margin-bottom:10px; }
.toc ol{ margin:0; padding-left: 1.1em; font-size:0.92rem; }
.toc li{ margin-bottom:6px; }

.sidebar{ position: sticky; top: 90px; display:flex; flex-direction:column; gap:22px; }
.sidebar-card{ border:1px solid var(--color-line); border-radius: var(--radius); background: var(--color-bg-raised); padding:20px; }
.sidebar-card h4{ font-family:var(--font-mono); text-transform:uppercase; font-size:0.76rem; letter-spacing:.06em; color:var(--color-ink-soft); margin:0 0 12px; }
.sidebar-card ul{ list-style:none; margin:0; padding:0; }
.sidebar-card li{ margin-bottom:10px; font-size:0.9rem; }
.sidebar-card li a{ text-decoration:none; }
.ad-slot{
  border:1px dashed var(--color-line-strong); border-radius: var(--radius);
  background: var(--color-bg); color: var(--color-ink-soft); font-family:var(--font-mono);
  font-size:0.76rem; text-align:center; padding: 40px 12px; text-transform:uppercase; letter-spacing:.06em;
}

.faq-item{ border-bottom:1px solid var(--color-line); padding: 18px 0; }
.faq-item h3{ font-size:1rem; margin-bottom:8px; }
.faq-item p{ color: var(--color-ink-soft); margin:0; }

.sources{ font-size:0.86rem; color: var(--color-ink-soft); }
.sources ol{ padding-left:1.2em; }

.author-box{ display:flex; gap:14px; align-items:flex-start; border:1px solid var(--color-line); border-radius:var(--radius); padding:18px 20px; background: var(--color-bg-raised); margin-top:30px; }
.author-avatar{ width:48px; height:48px; border-radius:50%; background: var(--color-pine); flex-shrink:0; display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--font-display); font-weight:700; }
.author-box h4{ margin:0 0 4px; font-size:0.95rem; }
.author-box p{ margin:0; font-size:0.85rem; color: var(--color-ink-soft); }

/* =============== BREED PAGE =============== */
.breed-hero{ display:grid; grid-template-columns: 1fr 1fr; gap:40px; align-items:center; padding: 30px 0 40px; }
.breed-hero .thumb{ aspect-ratio: 4/3; border-radius: var(--radius); background: linear-gradient(135deg,#E7DFC9,#DCD3B8); }
.breed-facts{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.breed-fact{ border:1px solid var(--color-line); border-radius: var(--radius); padding: 12px 14px; background: var(--color-bg-raised); }
.breed-fact .bf-label{ font-family:var(--font-mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:.06em; color: var(--color-ink-soft); display:block; margin-bottom:3px; }
.breed-fact .bf-value{ font-weight:600; font-size:0.95rem; }
@media (max-width: 860px){ .breed-hero{ grid-template-columns:1fr; } .article-layout{ grid-template-columns:1fr; } .sidebar{ position:static; } }

/* =============== TOOL PAGE (calculator) =============== */
.tool-shell{ background: var(--color-bg-raised); border:1px solid var(--color-line); border-radius: var(--radius); padding: 34px; max-width: 640px; margin: 10px auto 0; }
.form-row{ margin-bottom: 20px; }
.form-row label{ display:block; font-family: var(--font-mono); font-size:0.78rem; text-transform:uppercase; letter-spacing:.06em; color: var(--color-ink-soft); margin-bottom:8px; }
.form-row select, .form-row input[type=number]{
  width:100%; padding: 12px 14px; border:1.5px solid var(--color-line-strong); border-radius: var(--radius);
  font-family: var(--font-body); font-size:1rem; background:#fff;
}
.calc-result{ margin-top: 24px; padding: 22px; background: var(--color-vet-bg); border-left:4px solid var(--color-vet-border); border-radius: 0 var(--radius) var(--radius) 0; display:none; }
.calc-result.show{ display:block; }
.calc-result .big-number{ font-family: var(--font-display); font-size: 2.4rem; color: var(--color-pine-dark); line-height:1; margin-bottom:6px; }
.calc-result p{ margin:0; color: var(--color-ink-soft); font-size:0.9rem; }

/* =============== LEGAL / SIMPLE PAGES =============== */
.prose{ max-width: 70ch; }
.prose h2{ margin-top:1.6em; }
.prose ul{ padding-left:1.3em; }

/* =============== FOOTER =============== */
.site-footer{ background: var(--color-ink); color: #C9C6BB; margin-top: 60px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 34px; padding: 54px 0 34px; }
.footer-grid h4{ color:#fff; font-family: var(--font-mono); font-size:0.76rem; text-transform:uppercase; letter-spacing:.07em; margin:0 0 14px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom:9px; }
.footer-grid a{ color:#C9C6BB; text-decoration:none; font-size:0.9rem; }
.footer-grid a:hover{ color:#fff; }
.footer-brand .logo{ color:#fff; margin-bottom:12px; }
.footer-brand p{ font-size:0.88rem; color:#9A9787; max-width: 32ch; }
.footer-bottom{ border-top:1px solid #3A3D31; padding: 18px 0; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.8rem; color:#8D8A7B; }
.footer-bottom a{ color:#8D8A7B; }

@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

/* =============== UTIL =============== */
.visually-hidden{ position:absolute; width:1px;height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }