/*
Design philosophy for this file: each domain must preserve a distinct editorial identity while remaining transparent, legible and institutionally coherent.
This specific stylesheet belongs to Observatório de Ritmos Sociais and should reinforce its unique visual rhythm, typography and palette.
*/
:root {
  --bg: #eef3ef;
  --surface: #fbfefb;
  --ink: #24352d;
  --muted: #5e7068;
  --accent: #1f7a57;
  --accent-soft: #dff1e8;
  --line: rgba(36,53,45,0.12);
  --shadow: 0 22px 60px rgba(20, 24, 32, 0.08);
  --radius: 1.6rem;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Work Sans',system-ui,sans-serif;line-height:1.7;}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.18em;}
img{display:block;max-width:100%;}
.container{width:min(1180px,calc(100% - 2rem));margin:0 auto;}
.narrow{width:min(840px,100%);}
.label{margin:0 0 .8rem;text-transform:uppercase;letter-spacing:.16em;font-size:.73rem;font-weight:800;color:var(--accent);}
h1,h2,h3,strong,.brand strong{font-family:'Lora',serif;letter-spacing:-.03em;}
h1{font-size:clamp(2.8rem,5vw,5.2rem);line-height:.95;margin:.2rem 0 1rem;max-width:12ch;}
h2{font-size:clamp(2rem,3.2vw,3.2rem);line-height:1.05;margin:.2rem 0 1rem;}
h3{font-size:1.45rem;margin:.2rem 0 .7rem;}
p{margin:0 0 1rem;}
.lead{font-size:1.12rem;color:var(--muted);max-width:62ch;}
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%, white 12%);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);}
.shell-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;}
.brand{display:flex;flex-direction:column;gap:.12rem;color:var(--ink);text-decoration:none;}
.brand-line{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:700;}
.site-nav{display:flex;gap:.35rem;flex-wrap:wrap;justify-content:center;}
.nav-link{padding:.72rem 1rem;border-radius:999px;text-decoration:none;color:var(--ink);}
.nav-link:hover,.nav-link.is-active{background:var(--accent-soft);color:var(--accent);}
.brand-mail{color:var(--muted);text-decoration:none;font-size:.94rem;}
.hero{padding:5.5rem 0 4rem;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:-10% auto auto -10%;width:24rem;height:24rem;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%, transparent);filter:blur(40px);opacity:.8;}
.hero-grid{display:grid;gap:2rem;align-items:center;position:relative;}
.hero-copy-block{position:relative;z-index:1;}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin:1.8rem 0 1.4rem;}
.button-solid,.button-ghost{display:inline-flex;align-items:center;justify-content:center;padding:.95rem 1.35rem;border-radius:999px;text-decoration:none;font-weight:700;border:1px solid var(--accent);}
.button-solid{background:var(--accent);color:white;}
.button-ghost{background:transparent;color:var(--accent);}
.highlight-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;padding:0;margin:0;list-style:none;}
.highlight-list li{padding:.9rem 1rem;background:var(--surface);border:1px solid var(--line);border-radius:1rem;box-shadow:var(--shadow);font-size:.95rem;}
.hero-media{min-height:26rem;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-ornament{position:relative;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 14%, white 86%),var(--surface));}
.orb{position:absolute;border-radius:999px;filter:blur(10px);opacity:.88;}
.orb-a{width:14rem;height:14rem;background:color-mix(in srgb,var(--accent) 22%, white 78%);top:14%;left:10%;}
.orb-b{width:10rem;height:10rem;background:color-mix(in srgb,var(--ink) 12%, white 88%);right:12%;bottom:12%;}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.4) 1px,transparent 1px);background-size:2rem 2rem;opacity:.45;}
.section{padding:4.5rem 0;}
.intro-grid,.faq-grid,.contact-layout,.footer-grid{display:grid;gap:2rem;}
.intro-grid{grid-template-columns:.9fr 1.1fr;align-items:start;}
.sticky-note{position:sticky;top:6rem;padding:1.4rem;background:var(--surface);border:1px solid var(--line);border-radius:1.3rem;box-shadow:var(--shadow);}
.sticky-note blockquote{margin:0 0 1rem;font-size:1.35rem;line-height:1.2;font-family:'Lora',serif;}
.prose p{color:color-mix(in srgb,var(--ink) 88%, white 12%);}
.section-heading{display:flex;justify-content:space-between;gap:2rem;align-items:end;flex-wrap:wrap;margin-bottom:1.5rem;}
.topics-grid{display:grid;gap:1rem;}
.topic-card{padding:1.35rem;background:var(--surface);border:1px solid var(--line);border-radius:1.25rem;box-shadow:var(--shadow);}
.topic-number{display:inline-block;margin-bottom:.85rem;font-weight:800;color:var(--accent);}
.faq-list{display:grid;gap:1rem;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:1.2rem;padding:1.1rem 1.2rem;box-shadow:var(--shadow);}
.faq-item summary{cursor:pointer;font-weight:800;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item p{margin-top:.9rem;color:var(--muted);}
.inner-hero{padding:4.2rem 0 2rem;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 8%, white 92%),transparent);}
.docs .doc-section{padding:1.2rem 0;border-bottom:1px solid var(--line);}
.contact-layout{grid-template-columns:.9fr 1.1fr;align-items:start;}
.contact-panel,.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:1.35rem;box-shadow:var(--shadow);padding:1.4rem;}
.contact-form{display:grid;gap:1rem;}
.contact-form label{display:grid;gap:.45rem;font-weight:700;}
.contact-form input,.contact-form textarea{width:100%;padding:.9rem 1rem;border-radius:1rem;border:1px solid var(--line);background:white;color:var(--ink);font:inherit;}
.checkbox-row{grid-template-columns:auto 1fr;align-items:start;gap:.75rem;font-weight:500;}
.form-status{min-height:1.4rem;color:var(--muted);font-size:.95rem;}
.site-footer{padding:4rem 0;background:color-mix(in srgb,var(--surface) 84%, transparent);border-top:1px solid var(--line);}
.footer-grid{grid-template-columns:1.1fr .8fr .8fr;align-items:start;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.6rem;}
.cookie-banner{position:fixed;right:1rem;bottom:1rem;display:none;align-items:center;gap:1rem;max-width:26rem;padding:1rem 1.1rem;background:var(--surface);border:1px solid var(--line);border-radius:1.2rem;box-shadow:var(--shadow);z-index:60;}
.hero-grid{grid-template-columns:1fr;}.intro-grid{grid-template-columns:.75fr 1.25fr;}.topics-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
@media (max-width: 980px){
  .shell-row,.section-heading{flex-direction:column;align-items:flex-start;}
  .hero-grid,.intro-grid,.faq-grid,.contact-layout,.footer-grid{grid-template-columns:1fr !important;}
  .highlight-list{grid-template-columns:1fr;}
  .sticky-note{position:static;}
}
@media (max-width: 640px){
  .container{width:min(100% - 1.25rem,1180px);}
  .cookie-banner{left:.75rem;right:.75rem;bottom:.75rem;max-width:none;flex-direction:column;align-items:stretch;}
  .site-nav{gap:.25rem;}
  .nav-link{padding:.65rem .8rem;}
}