/* ===== ClimaVerde — site de divulgação ===== */
:root {
  --bg: #0f1713;
  --bg-2: #13201a;
  --panel: #182a22;
  --panel-2: #1e3329;
  --line: #294538;
  --text: #e8f3ec;
  --muted: #93ad9f;
  --green: #2fbf71;
  --green-2: #46d98a;
  --teal: #2bb6a8;
  --amber: #f2b53b;
  --red: #ef6461;
  --blue: #5aa9e6;
  --purple: #9b8cf0;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --radius: 16px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.ico { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase;
  color: var(--green-2); background: rgba(47, 191, 113, .12);
  border: 1px solid rgba(47, 191, 113, .25);
  padding: 7px 14px; border-radius: 999px;
}
.section { padding: 96px 0; position: relative; }
.section.tight { padding-top: 30px; }

/* Cabeçalho das páginas interiores */
.page-hero {
  padding: 138px 0 26px; text-align: center; position: relative; overflow: hidden;
  background:
    radial-gradient(900px 460px at 50% -12%, rgba(47, 191, 113, .16) 0%, transparent 60%);
}
.page-hero h1 { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.1; margin: 16px 0 14px; letter-spacing: -.4px; }
.page-hero h1 .grad {
  background: linear-gradient(120deg, var(--green-2), var(--teal));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-hero p { color: var(--muted); font-size: 17px; line-height: 1.6; max-width: 660px; margin: 0 auto; }

/* Link com seta */
.link-arrow {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 18px;
  font-size: 14px; font-weight: 700; color: var(--green-2); transition: .15s;
}
.link-arrow .ico { width: 17px; height: 17px; transition: .15s; }
.link-arrow:hover { color: var(--green); }
.link-arrow:hover .ico { transform: translateX(3px); }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); margin: 16px 0 12px; line-height: 1.15; }
.section-head p { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 0; }

/* ===== Buttons ===== */
.btn {
  font: inherit; font-weight: 700; font-size: 15px; cursor: pointer;
  border-radius: 12px; padding: 13px 24px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); transition: .18s;
  display: inline-flex; align-items: center; gap: 9px; white-space: nowrap;
}
.btn:hover { border-color: var(--green); transform: translateY(-2px); }
.btn.primary {
  background: linear-gradient(135deg, var(--green), var(--teal));
  border: 0; color: #06120c; box-shadow: 0 8px 22px rgba(47, 191, 113, .3);
}
.btn.primary:hover { filter: brightness(1.08); box-shadow: 0 12px 28px rgba(47, 191, 113, .42); }
.btn.ghost { background: transparent; }
.btn .ico { width: 18px; height: 18px; }

/* ===== Navbar ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: .25s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(15, 23, 19, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--green), var(--teal));
  color: #07130d; display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(47, 191, 113, .35);
}
.brand-mark .ico { width: 24px; height: 24px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 18px; }
.brand-tag { font-size: 11px; color: var(--muted); margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 14px; font-weight: 600; color: var(--muted); transition: .15s; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--green-2); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--green-2); border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: transparent; border: 0; color: var(--text); cursor: pointer; }
.nav-toggle .ico { width: 26px; height: 26px; }

/* ===== Hero ===== */
.hero {
  position: relative; padding: 150px 0 90px; overflow: hidden;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(47, 191, 113, .16) 0%, transparent 58%),
    radial-gradient(700px 500px at 8% 12%, rgba(43, 182, 168, .12) 0%, transparent 55%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.06; margin: 20px 0 22px; letter-spacing: -.5px; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--green-2), var(--teal));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: 18px; line-height: 1.65; color: var(--muted); margin: 0 0 30px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 28px; margin-top: 38px; flex-wrap: wrap; }
.hero-trust .t-item b { font-size: 26px; font-weight: 800; color: var(--green-2); display: block; }
.hero-trust .t-item span { font-size: 12px; color: var(--muted); }

/* Hero mockup card */
.hero-visual { position: relative; }
.mock {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: 20px; padding: 20px;
  box-shadow: var(--shadow); position: relative; z-index: 2;
}
.mock-head { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.mock-head .mh-ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; font-size: 17px; flex-shrink: 0; }
.mock-head b { font-size: 14px; display: block; }
.mock-head span { font-size: 11px; color: var(--muted); display: block; margin-top: 1px; }
.mock-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.mk {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px;
}
.mk .mk-ico { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-size: 16px; margin-bottom: 8px; }
.mk b { font-size: 21px; }
.mk span { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.mock-chart { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mock-chart .mc-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.mbars { display: flex; align-items: flex-end; gap: 9px; height: 92px; }
.mbar { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--green-2), var(--teal)); opacity: .9; animation: grow 1s ease backwards; }
@keyframes grow { from { height: 0 !important; opacity: 0; } }
.hero-glow {
  position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 191, 113, .35), transparent 70%);
  filter: blur(30px); top: -30px; right: -30px; z-index: 1;
}
.badge-float {
  position: absolute; z-index: 3;
  background: rgba(24, 42, 34, .92); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 14px;
  display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow);
  font-size: 13px; font-weight: 600;
}
.badge-float .bf-ico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-size: 15px; }
.badge-float small { display: block; font-size: 11px; color: var(--muted); font-weight: 500; }
.bf-1 { bottom: 40px; left: -34px; animation: floaty 4s ease-in-out infinite; }
.bf-2 { top: 30px; right: -26px; animation: floaty 4s ease-in-out infinite .8s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ===== Logos / trust strip ===== */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 0; flex-wrap: wrap; }
.strip-inner span { color: var(--muted); font-size: 13px; font-weight: 600; opacity: .85; display: inline-flex; align-items: center; gap: 8px; }

/* ===== Tint helpers ===== */
.tint-green { background: rgba(47, 191, 113, .15); color: var(--green-2); }
.tint-amber { background: rgba(242, 181, 59, .15); color: var(--amber); }
.tint-blue { background: rgba(90, 169, 230, .15); color: var(--blue); }
.tint-purple { background: rgba(155, 140, 240, .15); color: var(--purple); }
.tint-teal { background: rgba(43, 182, 168, .15); color: var(--teal); }
.tint-red { background: rgba(239, 100, 97, .15); color: var(--red); }

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: .2s; position: relative; overflow: hidden;
}
.feature:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: var(--shadow); }
.feature .f-ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 24px; margin-bottom: 18px; }
.feature h3 { margin: 0 0 9px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* ===== About / split ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.split h2 { font-size: clamp(26px, 4vw, 36px); margin: 16px 0 18px; line-height: 1.15; }
.split p { color: var(--muted); font-size: 16px; line-height: 1.65; margin: 0 0 16px; }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 14px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.5; }
.check-list .tick {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 7px; margin-top: 1px;
  background: rgba(47, 191, 113, .15); color: var(--green-2);
  display: grid; place-items: center;
}
.check-list .tick .ico { width: 14px; height: 14px; }

.stat-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: 14px; padding: 22px;
}
.stat-card:nth-child(2) { margin-top: 26px; }
.stat-card:nth-child(3) { margin-top: -26px; }
.stat-card .sc-ico { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-size: 19px; margin-bottom: 14px; }
.stat-card b { font-size: 30px; font-weight: 800; line-height: 1; }
.stat-card span { display: block; color: var(--muted); font-size: 13px; margin-top: 7px; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; }
.step .s-num {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; font-size: 18px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(47, 191, 113, .2), rgba(43, 182, 168, .12));
  color: var(--green-2); border: 1px solid rgba(47, 191, 113, .25);
}
.step h4 { margin: 0 0 8px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 23px; left: 62px; right: -10px; height: 2px;
  background: linear-gradient(90deg, var(--line), transparent);
}

/* ===== Sources showcase ===== */
.sources-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.source-card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .2s;
}
.source-card:hover { transform: translateY(-4px); border-color: var(--green); }
.source-top { height: 118px; display: grid; place-items: center; font-size: 52px; position: relative; }
.source-body { padding: 20px; }
.source-body h4 { margin: 0 0 6px; font-size: 17px; }
.source-body p { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.source-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.source-meta b { color: var(--green-2); font-size: 16px; }
.source-meta span { color: var(--muted); }

/* ===== Impact band ===== */
.impact-band {
  background: linear-gradient(135deg, rgba(47, 191, 113, .16), rgba(43, 182, 168, .07));
  border: 1px solid var(--line); border-radius: 22px; padding: 46px;
}
.impact-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.impact-nums .in b { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--green-2); display: block; line-height: 1; }
.impact-nums .in span { color: var(--muted); font-size: 14px; margin-top: 8px; display: block; }

/* ===== Education ===== */
.edu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.edu-card {
  display: flex; gap: 18px; padding: 22px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); transition: .2s;
}
.edu-card:hover { border-color: var(--green); transform: translateY(-3px); }
.edu-thumb { width: 68px; height: 68px; border-radius: 14px; display: grid; place-items: center; font-size: 30px; flex-shrink: 0; }
.edu-card h4 { margin: 0 0 6px; font-size: 16px; }
.edu-card p { margin: 0 0 12px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.edu-meta { font-size: 12px; color: var(--muted); display: flex; gap: 16px; }

/* ===== CTA ===== */
.cta-band {
  text-align: center;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(47, 191, 113, .18), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: 24px; padding: 66px 30px;
}
.cta-band h2 { font-size: clamp(28px, 4.4vw, 42px); margin: 0 0 16px; line-height: 1.12; }
.cta-band p { color: var(--muted); font-size: 17px; max-width: 560px; margin: 0 auto 30px; line-height: 1.6; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info h2 { font-size: clamp(26px, 4vw, 36px); margin: 16px 0 16px; }
.contact-info p { color: var(--muted); font-size: 16px; line-height: 1.65; margin: 0 0 28px; }
.contact-item { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.contact-item .ci-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex-shrink: 0; }
.contact-item .ci-ico .ico { width: 20px; height: 20px; }
.contact-item b { font-size: 15px; display: block; }
.contact-item span { color: var(--muted); font-size: 14px; }

.form {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 7px; color: var(--muted); }
.field input, .field textarea, .field select {
  width: 100%; font: inherit; font-size: 14px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 11px;
  padding: 12px 14px; color: var(--text); outline: none; transition: .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--green); }
.field textarea { resize: vertical; min-height: 110px; }
.form .btn { width: 100%; justify-content: center; }
.form-note { font-size: 12px; color: var(--muted); text-align: center; margin: 12px 0 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-ok, .form-err {
  display: none; margin-top: 14px; padding: 13px 16px; border-radius: 11px;
  font-size: 14px; font-weight: 600; text-align: center;
}
.form-ok {
  background: rgba(47, 191, 113, .12); border: 1px solid rgba(47, 191, 113, .3);
  color: var(--green-2);
}
.form-err {
  background: rgba(239, 100, 97, .12); border: 1px solid rgba(239, 100, 97, .3);
  color: var(--red);
}
.form-ok.show, .form-err.show { display: block; animation: fade .3s ease; }
.btn[disabled] { opacity: .65; cursor: not-allowed; transform: none; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 56px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; margin-bottom: 40px; }
.footer .f-about { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 16px 0 0; max-width: 300px; }
.footer h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { font-size: 14px; color: var(--muted); transition: .15s; }
.footer ul a:hover { color: var(--green-2); }
.funding {
  border-top: 1px solid var(--line); padding: 26px 0;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.funding-label { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 700; }
.funding-logos { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.funding-logos a { display: inline-flex; align-items: center; transition: .15s; }
.funding-logos a:hover { opacity: .75; }
.funding-logos img { height: 44px; width: auto; display: block; }

.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; font-size: 13px; color: var(--muted); }
.socials { display: flex; gap: 10px; }
.socials a { width: 38px; height: 38px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); display: grid; place-items: center; color: var(--muted); transition: .15s; }
.socials a:hover { color: var(--green-2); border-color: var(--green); }
.socials .ico { width: 18px; height: 18px; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; }
::-webkit-scrollbar-track { background: transparent; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
  .features, .sources-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .impact-nums { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-card:nth-child(n) { margin-top: 0; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 18px; align-items: flex-start;
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(15, 23, 19, .97); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line); padding: 22px 24px;
  }
  .section { padding: 68px 0; }
  .features, .sources-grid, .edu-grid, .steps { grid-template-columns: 1fr; }
  .impact-band, .cta-band { padding: 34px 22px; }
  .impact-nums { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn, .cta-actions .btn { flex: 1; justify-content: center; }
  .hero { padding: 120px 0 70px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}