/* =========================================================
   Instituto Mata Viva — demo comercial (Workana)
   ========================================================= */

:root{
  --bg: #FAF6EC;
  --bg-elev: #F2ECDC;
  --surface: #FFFFFF;
  --surface-alt: #F5F0E2;
  --border: rgba(31,58,46,0.12);
  --border-strong: rgba(31,58,46,0.22);

  --ink: #1C2620;
  --ink-dim: #55604F;
  --ink-faint: #8B9186;

  --forest: #1F3A2E;
  --forest-light: #3F6B52;
  --moss: #7C9473;

  --accent: #C1652F;
  --accent-strong: #A6501F;
  --accent-soft: rgba(193,101,47,0.12);

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-soft: 0 20px 44px -26px rgba(28,38,32,0.35);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.5) inset, 0 14px 32px -22px rgba(28,38,32,0.28);

  --font-display: 'Fraunces', Georgia, serif;
  --font-ui: 'Inter', system-ui, sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html,body{ margin:0; padding:0; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; }
a{ color: inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; margin:0; color: var(--forest); line-height:1.15; }
p{ margin:0; }

/* ---------- demo ribbon ---------- */
.demo-ribbon{
  background: var(--forest);
  color: #E9F0EA;
  font-size: 12.5px;
  font-weight: 500;
  text-align:center;
  padding: 8px 14px;
  letter-spacing: 0.01em;
}
.demo-ribbon-sep{ margin: 0 8px; opacity:.55; }

/* ---------- layout helpers ---------- */
.section{ padding: 88px 24px; max-width: 1180px; margin: 0 auto; }
.section-alt{ background: var(--surface-alt); max-width: none; }
.section-alt > *{ max-width: 1180px; margin-left:auto; margin-right:auto; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-lead{ margin-top: 14px; color: var(--ink-dim); font-size: 17px; }

.eyebrow{
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin: 0 0 14px;
}
.eyebrow-dark{ color: var(--accent-strong); }

.btn{
  display: inline-flex; align-items:center; justify-content:center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-sm{ padding: 10px 18px; font-size: 13.5px; }
.btn-block{ width:100%; }
.btn-accent{ background: var(--accent); color:#fff; box-shadow: 0 12px 24px -14px rgba(193,101,47,0.65); }
.btn-accent:hover{ background: var(--accent-strong); }
.btn-light{ background:#fff; color: var(--forest); }
.btn-outline-light{ background: transparent; color:#fff; border: 1.5px solid rgba(255,255,255,0.55); }
.btn-outline-light:hover{ background: rgba(255,255,255,0.12); }
.btn-outline-dark{ background: transparent; color: var(--forest); border: 1.5px solid var(--border-strong); }
.btn-outline-dark:hover{ background: var(--surface-alt); }

.link-arrow{
  background:none; border:none; padding:0; margin-top:16px;
  color: var(--accent-strong); font-weight:600; font-size:14.5px;
  display:inline-flex; align-items:center; gap:6px;
}
.link-arrow span{ transition: transform .18s ease; }
.link-arrow:hover span{ transform: translateX(3px); }

/* ---------- header ---------- */
.site-header{
  position: sticky; top:0; z-index: 40;
  background: rgba(250,246,236,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  max-width: 1180px; margin: 0 auto; padding: 14px 24px;
  display:flex; align-items:center; justify-content:space-between; gap: 20px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; background:none; border:none; }
.brand-mark{
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--forest); color:#fff;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.brand-mark svg{ width:21px; height:21px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-text strong{ font-family: var(--font-display); font-size:16.5px; color: var(--forest); }
.brand-text small{ font-size:11.5px; color: var(--ink-faint); font-weight:500; }

.main-nav{ display:flex; align-items:center; gap: 4px; }
.nav-link{
  background:none; border:none; padding: 9px 14px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600; color: var(--ink-dim);
  transition: background .16s ease, color .16s ease;
}
.nav-link:hover{ background: var(--surface-alt); color: var(--forest); }
.nav-link.is-active{ background: var(--forest); color:#fff; }

.header-actions{ display:flex; align-items:center; gap:12px; }
.mobile-menu-btn{
  display:none; background:none; border:1px solid var(--border-strong);
  border-radius: 10px; width:40px; height:40px; align-items:center; justify-content:center;
  color: var(--forest);
}
.nav-scrim{
  position: fixed; inset:0; background: rgba(28,38,32,0.4);
  opacity:0; pointer-events:none; transition: opacity .2s ease; z-index: 39;
}
.nav-scrim.is-visible{ opacity:1; pointer-events:auto; }

/* ---------- views ---------- */
.view{ display:none; }
.view.is-active{ display:block; animation: fadeIn .35s ease; }
@keyframes fadeIn{ from{ opacity:0; transform: translateY(6px);} to{ opacity:1; transform:none; } }

/* ---------- hero ---------- */
.hero{ position:relative; min-height: 86vh; display:flex; align-items:flex-end; overflow:hidden; }
.hero-media{ position:absolute; inset:0; background-size:cover; background-position:center; }
.hero-scrim{
  position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(15,22,17,0.88) 4%, rgba(15,22,17,0.45) 55%, rgba(15,22,17,0.15) 100%);
}
.hero-content{ position:relative; z-index:2; max-width: 720px; padding: 64px 24px 76px; color:#fff; }
.hero h1{ color:#fff; font-size: clamp(34px, 5vw, 54px); margin-bottom: 18px; }
.hero-lead{ font-size: 17.5px; color: rgba(255,255,255,0.88); max-width: 560px; }
.hero-actions{ display:flex; gap: 14px; margin-top: 30px; flex-wrap:wrap; }

/* ---------- stats strip ---------- */
.stats-strip{ background: var(--forest); padding: 52px 24px; }
.stats-grid{
  max-width: 1180px; margin:0 auto;
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.stat{ text-align:center; color:#fff; }
.stat-number{ display:block; font-family: var(--font-display); font-size: clamp(30px, 3.4vw, 42px); font-weight:700; color:#EFE3C9; }
.stat-label{ display:block; margin-top:8px; font-size: 13.5px; color: rgba(255,255,255,0.78); max-width: 220px; margin-inline:auto; }

/* ---------- pillars ---------- */
.pillars-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pillar-card{
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 30px 24px;
  box-shadow: var(--shadow-card);
}
.pillar-index{ font-family: var(--font-display); font-size: 13px; color: var(--accent-strong); font-weight:700; }
.pillar-card h3{ font-size: 19px; margin: 14px 0 10px; }
.pillar-card p{ color: var(--ink-dim); font-size: 14.5px; }

/* ---------- story split ---------- */
.story-split{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; max-width:1180px; margin:0 auto; padding:0 24px;}
.story-media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.story-content h2{ font-size: clamp(26px,3vw,34px); margin: 10px 0 18px; }
.story-content p{ color: var(--ink-dim); margin-bottom: 16px; }
.story-content .btn{ margin-top: 8px; }

/* ---------- quote ---------- */
.quote-section{ max-width: 780px; text-align:center; }
.quote-section blockquote{ margin:0; }
.quote-section p{ font-family: var(--font-display); font-size: clamp(22px,2.6vw,28px); color: var(--forest); line-height:1.4; }
.quote-section footer{ margin-top:18px; color: var(--ink-faint); font-size:14px; font-weight:600; }

/* ---------- cta band ---------- */
.cta-band{ background: var(--accent-soft); padding: 64px 24px; text-align:center; }
.cta-band-content{ max-width: 620px; margin:0 auto; }
.cta-band h2{ font-size: clamp(24px,3vw,32px); }
.cta-band p{ color: var(--ink-dim); margin-top:12px; }

/* ---------- page banner (sub-pages) ---------- */
.page-banner{ position:relative; min-height: 46vh; display:flex; align-items:flex-end; background-size:cover; background-position:center; }
.page-banner-sm{ min-height: 34vh; }
.page-banner-scrim{ position:absolute; inset:0; background: linear-gradient(0deg, rgba(15,22,17,0.86), rgba(15,22,17,0.25)); }
.page-banner-content{ position:relative; z-index:2; padding: 44px 24px 52px; max-width: 780px; }
.page-banner-content h1{ color:#fff; font-size: clamp(28px,4vw,42px); }

/* ---------- two-col / values ---------- */
.two-col{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.two-col h2{ font-size: clamp(24px,3vw,32px); margin: 10px 0 16px; }
.two-col > div:first-child p{ color: var(--ink-dim); }
.values-list{ display:flex; flex-direction:column; gap: 22px; }
.value-item{ padding: 20px 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); }
.value-item h3{ font-size: 16.5px; margin-bottom:6px; }
.value-item p{ color: var(--ink-dim); font-size: 14px; }

/* ---------- timeline ---------- */
.timeline{ max-width: 760px; margin: 0 auto; display:flex; flex-direction:column; gap: 26px; }
.timeline-item{ display:flex; gap: 22px; align-items:baseline; padding-left: 4px; border-left: 2px solid var(--border-strong); padding-left:24px; position:relative; }
.timeline-item::before{ content:''; position:absolute; left:-6.5px; top:5px; width:11px; height:11px; border-radius:50%; background: var(--accent); }
.timeline-year{ font-family: var(--font-display); font-weight:700; color: var(--forest); min-width: 58px; }
.timeline-item p{ color: var(--ink-dim); }

/* ---------- team ---------- */
.team-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.team-card{ text-align:center; }
.team-avatar{
  width: 76px; height:76px; border-radius:50%; color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:700; font-size:22px;
  margin: 0 auto 16px;
}
.team-card h3{ font-size: 16.5px; }
.team-role{ color: var(--accent-strong); font-size: 12.5px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; margin: 6px 0 10px; }
.team-bio{ color: var(--ink-dim); font-size: 13.5px; }

/* ---------- projects ---------- */
.projects-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.project-card{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-card); }
.project-media{ height: 210px; background-size:cover; background-position:center; position:relative; }
.project-tag{
  position:absolute; left:16px; bottom:16px;
  background: rgba(15,22,17,0.75); color:#fff; font-size:12px; font-weight:700;
  padding: 6px 12px; border-radius: 999px; letter-spacing:.02em;
}
.project-body{ padding: 24px; }
.project-body h3{ font-size: 19px; margin-bottom:10px; }
.project-body p{ color: var(--ink-dim); font-size:14.5px; margin-bottom: 16px; }
.project-meta{ display:flex; gap: 20px; flex-wrap:wrap; }
.project-meta span{ font-size:13px; color: var(--forest); }
.project-meta strong{ font-family: var(--font-display); }

.region-list{ display:flex; flex-wrap:wrap; gap: 12px; }
.region-list span{
  background: var(--surface); border:1px solid var(--border-strong); color: var(--forest);
  padding: 9px 16px; border-radius: 999px; font-size: 13.5px; font-weight:600;
}

/* ---------- help / ajudar ---------- */
.help-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.help-card{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-lg); padding: 30px 26px; box-shadow: var(--shadow-card); display:flex; flex-direction:column; }
.help-icon{
  width: 46px; height:46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-strong);
  display:flex; align-items:center; justify-content:center; margin-bottom: 18px;
}
.help-icon svg{ width:23px; height:23px; }
.help-card h3{ font-size: 19px; margin-bottom: 10px; }
.help-card p{ color: var(--ink-dim); font-size: 14.5px; margin-bottom: 16px; }
.help-list{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.help-list li{ font-size:13.5px; color: var(--ink-dim); padding-left:18px; position:relative; }
.help-list li::before{ content:'—'; position:absolute; left:0; color: var(--accent-strong); }
.help-note{ font-size:12px; color: var(--ink-faint); text-align:center; margin-top:10px; }

.donate-options{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px; }
.chip-btn{
  background: var(--surface-alt); border: 1.5px solid var(--border); color: var(--ink);
  border-radius: 999px; padding: 8px 16px; font-size: 13.5px; font-weight:600;
  transition: border-color .16s ease, background .16s ease;
}
.chip-btn:hover{ border-color: var(--accent); }
.chip-btn-outline{ background:transparent; }

/* ---------- breakdown ---------- */
.breakdown{ max-width: 720px; margin: 0 auto; }
.breakdown-bar{ display:flex; height: 18px; border-radius:999px; overflow:hidden; margin-bottom: 22px; }
.breakdown-seg{ display:flex; align-items:center; justify-content:center; font-size:10px; color:#fff; font-weight:700; }
.breakdown-legend{ display:flex; flex-direction:column; gap:10px; }
.breakdown-legend div{ font-size:14.5px; color: var(--ink-dim); display:flex; align-items:center; gap:10px; }
.dot{ width:10px; height:10px; border-radius:50%; flex-shrink:0; }

/* ---------- faq ---------- */
.faq-list{ max-width: 760px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md); padding: 18px 22px; }
.faq-item summary{ cursor:pointer; font-weight:600; font-size:15.5px; color: var(--forest); list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; font-size:20px; color: var(--accent-strong); transition: transform .18s ease; }
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ margin-top: 12px; color: var(--ink-dim); font-size: 14.5px; }

/* ---------- contact ---------- */
.contact-split{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; }
.contact-info h2{ font-size: 17px; margin: 26px 0 8px; }
.contact-info h2:first-child{ margin-top:0; }
.contact-line{ color: var(--ink-dim); font-size:14.5px; }
.contact-line a{ text-decoration:none; color: var(--forest); font-weight:600; }
.contact-note{ margin-top: 26px; padding: 16px 18px; background: var(--accent-soft); border-radius: var(--radius-md); }
.contact-note p{ font-size:13.5px; color: var(--accent-strong); font-weight:600; }

.contact-form{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-card); }
.contact-form h2{ font-size:20px; margin-bottom:20px; }
.form-row{ margin-bottom: 16px; display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-size: 13px; font-weight:600; color: var(--ink-dim); }
.form-row input, .form-row select, .form-row textarea{
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 11px 14px; font-family: inherit; font-size: 14.5px; background: var(--bg);
  color: var(--ink); resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ outline: 2px solid var(--accent); outline-offset: 1px; }
.form-status{ margin-top: 12px; font-size: 13.5px; text-align:center; min-height: 18px; color: var(--forest); font-weight:600; }

/* ---------- footer ---------- */
.site-footer{ background: var(--forest); color: rgba(255,255,255,0.82); padding: 56px 24px 0; }
.footer-inner{ max-width: 1180px; margin:0 auto; display:grid; grid-template-columns: 1.2fr 2fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.14); }
.footer-brand{ display:flex; gap:14px; }
.footer-brand strong{ color:#fff; font-family: var(--font-display); font-size: 17px; }
.footer-brand p{ margin-top:8px; font-size:13.5px; color: rgba(255,255,255,0.65); max-width:260px; }
.footer-links{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.footer-links h4{ color:#fff; font-family: var(--font-ui); font-size:13px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:14px; }
.footer-link{ display:block; background:none; border:none; color: rgba(255,255,255,0.72); font-size:14px; padding: 5px 0; text-align:left; }
.footer-link:hover{ color:#fff; }
.footer-static{ display:block; font-size:13.5px; color: rgba(255,255,255,0.6); padding: 4px 0; }
.footer-bottom{ max-width:1180px; margin:0 auto; padding: 20px 0; font-size:12.5px; color: rgba(255,255,255,0.55); text-align:center; }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .pillars-grid{ grid-template-columns: repeat(2,1fr); }
  .stats-grid{ grid-template-columns: repeat(2,1fr); row-gap: 32px; }
  .story-split, .two-col, .contact-split{ grid-template-columns: 1fr; gap: 32px; }
  .team-grid{ grid-template-columns: repeat(2,1fr); }
  .projects-grid{ grid-template-columns: 1fr; }
  .help-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-links{ grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 760px){
  .main-nav{ position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 300px);
    background: var(--surface); flex-direction:column; align-items:stretch;
    padding: 90px 20px 20px; gap: 6px; transform: translateX(100%);
    transition: transform .25s ease; z-index: 41; box-shadow: -18px 0 40px -20px rgba(0,0,0,0.3); }
  .main-nav.is-open{ transform: translateX(0); }
  .nav-link{ text-align:left; padding: 12px 14px; }
  .mobile-menu-btn{ display:flex; }
  .header-actions .btn-sm{ display:none; }
  .section{ padding: 60px 20px; }
  .pillars-grid{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr 1fr; }
  .footer-links{ grid-template-columns: 1fr; gap: 28px; }
  .hero{ min-height: 92vh; }
}