@font-face {
  font-family: "Fredoka";
  src: url("/fonts/Fredoka-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* Cores da marca (docs/marca/referencia.jpg) */
:root {
  --azul: #2a78b2;
  --azul-escuro: #1d5f93;
  --marinho: #1e3e64;
  --amarelo: #fbb813;
  --laranja: #f2622e;
  --laranja-escuro: #b8441a;

  --bg: #f7fbff;
  --ceu: #acdef9;          /* fundo azul-claro da referência */
  --ceu-suave: #e8f6fe;
  --surface: #ffffff;
  --title: #1e3e64;
  --text: #16304f;
  --muted: #46607e;
  --link: #1d5f93;
  --border: #cfe6f5;
  --chip: #ffffff;
  --code-bg: #1e3e64;
  --code-text: #f4f8ff;
  --deco: url("/img/marca/fundo.svg");
  --shadow: 0 12px 32px rgba(30, 62, 100, 0.14);
  --radius: 24px;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-title: "Fredoka", var(--font-body);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1a2b;
    --ceu: #12294a;
    --ceu-suave: #10223b;
    --surface: #17345a;
    --title: #ffffff;
    --text: #e8f2fc;
    --muted: #b5c9de;
    --link: #8fcbf2;
    --border: #284c78;
    --chip: #1d3f68;
    --code-bg: #08131f;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    --deco: url("/img/marca/fundo-escuro.svg");
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--laranja-escuro); outline-offset: 3px; border-radius: 8px; }
@media (prefers-color-scheme: dark) { :focus-visible { outline-color: var(--amarelo); } }

h1, h2, h3 { font-family: var(--font-title); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; color: var(--title); }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); line-height: 1.08; }
h2 { font-size: clamp(1.8rem, 4.2vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1248px; margin: 0 auto; padding: 0 24px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); color: var(--title); padding: 8px 12px; z-index: 10; }

/* Topo */
.top { background: var(--ceu); padding: 16px 0 0; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.brand { display: block; line-height: 0; border-radius: 12px; }
.brand img { width: 196px; height: auto; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
.top nav a { color: var(--title); font-weight: 700; text-decoration: none; padding: 8px 14px; border-radius: 999px; }
.top nav a:hover { background: var(--chip); text-decoration: none; }
.lang { margin: 0; background: var(--chip); border-radius: 999px; padding: 7px 16px; font-size: 0.95rem; color: var(--muted); }
.lang a, .lang strong { white-space: nowrap; font-weight: 700; }
.lang strong { color: var(--title); }

/* Hero */
.hero { background: var(--ceu) var(--deco) center top / 1440px auto no-repeat; padding: 24px 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 32px; align-items: center; }
.hero .lead { font-size: clamp(1.1rem, 2.2vw, 1.3rem); line-height: 1.55; max-width: 40rem; margin: 0 0 1.4em; }
.hero-mascot { width: 100%; max-width: 470px; justify-self: center; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; padding: 0; list-style: none; }
.hero-tags li { display: inline-flex; align-items: center; gap: 8px; background: var(--chip); color: var(--title); font-weight: 700; border-radius: 999px; padding: 6px 14px; font-size: 0.95rem; }
.hero-tags li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--amarelo); flex: none; }
.hero-tags li:nth-child(2)::before { background: var(--azul); }
.hero-tags li:nth-child(3)::before { background: var(--laranja); }
.hero-tags li:nth-child(4)::before { background: var(--marinho); box-shadow: 0 0 0 2px #fff; }
.hero-shot { display: flex; justify-content: center; padding-top: 40px; }
.hero-shot img { width: 100%; max-width: 1040px; border: 10px solid #fff; border-bottom: 0; border-radius: 28px 28px 0 0; box-shadow: 0 -6px 30px rgba(30, 62, 100, 0.2); }

.buttons { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 16px; font-weight: 800; font-size: 1.1rem; text-decoration: none;
  border: 2px solid transparent; min-height: 52px; text-align: center;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn-primary { background: var(--azul); color: #fff; box-shadow: 0 5px 0 var(--azul-escuro); }
.btn-primary:hover { background: var(--azul-escuro); box-shadow: 0 5px 0 #154a73; }
.btn-ghost { background: #fff; color: var(--marinho); border-color: var(--marinho); }
.btn-ghost:hover { background: var(--ceu-suave); }
.btn-download { background: var(--laranja-escuro); color: #fff; box-shadow: 0 5px 0 #8a3313; }
.btn-download:hover { background: #a03a15; }
.btn:active { transform: translateY(3px); box-shadow: none; }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:active { transform: none; } }

/* Seções */
section { padding: 88px 0; }
.sec-branco { background: var(--surface); }
.sec-ceu { background: var(--ceu); }
.sec-suave { background: var(--ceu-suave); }
@media (prefers-color-scheme: dark) { .sec-branco { background: var(--bg); } }
.section-intro { color: var(--muted); font-size: 1.15rem; max-width: 46rem; margin-bottom: 2.2em; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.sec-head > div { max-width: 48rem; }
.sec-head img { flex: none; width: 140px; margin-bottom: 24px; }
.sec-head img.acenando { width: 112px; }

.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.features li { background: var(--ceu-suave); border-top: 6px solid var(--azul); border-radius: var(--radius); padding: 24px; }
.features li:nth-child(2), .features li:nth-child(7) { border-top-color: var(--amarelo); }
.features li:nth-child(3), .features li:nth-child(5) { border-top-color: var(--laranja); }
.features li:nth-child(4), .features li:nth-child(8) { border-top-color: var(--marinho); }
@media (prefers-color-scheme: dark) {
  .features li { background: var(--surface); }
  .features li:nth-child(4), .features li:nth-child(8) { border-top-color: #8fcbf2; }
}
.features .emoji { display: grid; place-items: center; min-width: 56px; width: fit-content; height: 56px; padding: 0 10px; border-radius: 16px; background: var(--surface); font-size: 1.6rem; line-height: 1; margin-bottom: 14px; }
@media (prefers-color-scheme: dark) { .features .emoji { background: var(--chip); } }
.features h3 { font-size: 1.25rem; margin-bottom: 0.4em; }
.features p { margin: 0; color: var(--muted); }

.linux-extra { margin-top: 32px; background: var(--marinho); color: #fff; border-radius: 28px; padding: 32px 40px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 16px 40px; align-items: center; }
.linux-extra p { margin: 0; color: #d6e8f7; font-size: 1.05rem; }
.linux-extra p strong { display: block; font-family: var(--font-title); font-weight: 600; font-size: 1.6rem; line-height: 1.2; color: #fff; margin-bottom: 8px; }
.linux-extra ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.linux-extra li { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; }
.linux-extra li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: var(--amarelo) url("/img/marca/check.svg") center / 100% no-repeat; }
@media (prefers-color-scheme: dark) { .linux-extra { background: var(--surface); } }

/* Galeria */
.gallery { display: grid; gap: 24px; grid-template-columns: minmax(0, 0.8fr) repeat(2, minmax(0, 1fr)); margin: 0; }
.gallery figure { margin: 0; background: var(--surface); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); }
.gallery .tall { grid-row: span 2; }
.gallery a { display: block; border-radius: 14px; }
.gallery img { border-radius: 14px; border: 1px solid var(--border); width: 100%; }
.gallery .tall img { max-height: 620px; width: auto; margin: 0 auto; }
.gallery figcaption { margin: 12px 6px 4px; color: var(--muted); font-size: 0.97rem; line-height: 1.45; }
.gallery figcaption strong { display: block; font-family: var(--font-title); font-weight: 600; font-size: 1.15rem; color: var(--title); }

/* Instalar */
.install { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); align-items: start; }
.card { background: var(--surface); border-radius: var(--radius); padding: 28px; min-width: 0; }
.install .card { background: var(--ceu-suave); padding: 32px; border-radius: 28px; }
@media (prefers-color-scheme: dark) { .install .card { background: var(--surface); } }
.install h3 { font-size: 1.6rem; display: flex; align-items: center; gap: 12px; }
.install h3 .selo { display: grid; place-items: center; flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--azul); font-size: 1.5rem; }
.install .card + .card h3 .selo { background: var(--amarelo); }
.steps { list-style: none; counter-reset: passo; padding: 0; margin: 0 0 1.4em; }
.steps > li { counter-increment: passo; position: relative; padding-left: 50px; margin-bottom: 1em; min-height: 34px; }
.steps > li::before { content: counter(passo); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--azul); color: #fff; font-family: var(--font-title); font-weight: 600; }
.install .card + .card .steps > li::before { background: var(--laranja-escuro); }
.card .btn { margin: 4px 0 18px; }
.note { font-size: 0.95rem; color: var(--muted); margin: 0; }
code { font-family: ui-monospace, "Cascadia Mono", "DejaVu Sans Mono", Consolas, monospace; font-size: 0.92em; }
pre { background: var(--code-bg); color: var(--code-text); padding: 18px 20px; border-radius: 16px; overflow-x: auto; margin: 0.8em 0 0; max-width: 100%; line-height: 1.55; }
pre code { font-size: 0.92rem; }

/* Privacidade */
.privacy { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); align-items: start; }
.privacy .card h3 { font-size: 1.35rem; }
.privacy .card:nth-child(1) { border-top: 6px solid var(--azul); }
.privacy .card:nth-child(2) { border-top: 6px solid var(--amarelo); }
.privacy .card:nth-child(3) { border-top: 6px solid var(--laranja); }
.privacy ul { padding-left: 1.2em; margin: 0.4em 0 0; }
.privacy p:last-child { margin-bottom: 0; }

/* História */
.story { display: grid; grid-template-columns: 300px minmax(0, 46rem); gap: 48px; align-items: center; justify-content: center; }
.story img { width: 100%; }
.story h2 { font-size: clamp(1.6rem, 3.6vw, 2.2rem); }
.story .quote { background: var(--surface); border-radius: 32px; padding: 36px 40px; }
.story blockquote { margin: 0; font-size: 1.1rem; }
.story blockquote p:last-child { margin: 0; }

/* Rodapé */
footer { background: var(--marinho); color: #c9dcee; padding: 48px 0 56px; font-size: 0.95rem; }
@media (prefers-color-scheme: dark) { footer { background: #08131f; } }
footer a { color: #fff; font-weight: 700; }
footer .foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-bottom: 20px; }
footer .foot-row img { width: 170px; }
footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; color: #fff; }
footer p { margin: 0; max-width: 60rem; }
footer :focus-visible { outline-color: var(--amarelo); }

@media (max-width: 1000px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery .tall { grid-row: auto; }
  .linux-extra { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; justify-items: center; }
  .story img { max-width: 240px; }
}

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 8px; }
  .hero-mascot { order: -1; max-width: 300px; }
  .hero { background-image: none; }
  .sec-head img { width: 110px; }
  .sec-head img.acenando { width: 90px; }
  .gallery { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  section { padding: 56px 0; }
  .wrap { padding: 0 16px; }
  .top nav { display: none; }
  .brand img { width: 150px; }
  .lang { padding: 6px 12px; }
  .card, .install .card { padding: 20px; }
  .linux-extra { padding: 24px 20px; border-radius: 24px; }
  .story .quote { padding: 24px 20px; border-radius: 24px; }
  .btn { width: 100%; }
  .hero-shot { padding-top: 28px; }
  .hero-shot img { border-width: 6px; border-radius: 18px 18px 0 0; }
  .sec-head img { display: none; }
}