/* ===== Variáveis ===== */
:root {
  --bg: #03060f;
  --bg-alt: #060b18;
  --surface: #0a1224;
  --border: #14233f;
  --text: #e6ecf5;
  --muted: #8a98b3;
  --blue: #0a6cff;
  --cyan: #19a7ff;
  --silver: #c4cbd6;
  --radius: 14px;
  --mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(10,108,255,.18), transparent 60%),
    radial-gradient(700px 400px at -10% 40%, rgba(25,167,255,.08), transparent 60%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
p { margin: 0 0 1em; }
.container { width: min(1120px, 92%); margin-inline: auto; }
.accent { background: linear-gradient(90deg, var(--blue), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.muted { color: var(--muted); }
.mono, .eyebrow { font-family: var(--mono); }
.eyebrow { color: var(--cyan); font-size: .9rem; margin-bottom: .4rem; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--blue); padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ===== Header ===== */
.header { position: sticky; top: 0; z-index: 50; background: rgba(3,6,15,.8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand__logo { height: 52px; width: auto; mix-blend-mode: screen; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a:not(.btn) { color: var(--silver); font-size: .95rem; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--cyan); }

.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .25s, opacity .25s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Botões ===== */
.btn {
  display: inline-block; padding: .8rem 1.5rem; border-radius: 10px; font-weight: 600;
  background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff;
  box-shadow: 0 0 24px rgba(10,108,255,.35); transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 34px rgba(25,167,255,.55); }
.btn--small { padding: .45rem 1.1rem; font-size: .9rem; }
.btn--ghost { background: transparent; border: 1px solid var(--blue); box-shadow: none; color: var(--cyan); }

/* ===== Hero ===== */
.hero { padding: clamp(3rem, 8vw, 6rem) 0; }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.lead { color: var(--silver); font-size: 1.1rem; max-width: 52ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.6rem; }
.badge { display: inline-flex; align-items: center; gap: .5rem; padding: .3rem .9rem; margin-bottom: 1.2rem; border: 1px solid var(--border); border-radius: 999px; font-family: var(--mono); font-size: .8rem; color: var(--cyan); background: var(--surface); }
.badge__dot { width: 8px; height: 8px; border-radius: 50%; background: #ffb020; animation: pulse 1.6s infinite; }

.terminal { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 0 60px rgba(10,108,255,.15); overflow: hidden; }
.terminal__bar { display: flex; align-items: center; gap: 6px; padding: .7rem 1rem; border-bottom: 1px solid var(--border); background: #070e1d; }
.terminal__bar span { width: 10px; height: 10px; border-radius: 50%; background: #1c2b4a; }
.terminal__bar small { margin-left: auto; font-family: var(--mono); color: var(--muted); }
.terminal__body { margin: 0; padding: 1.2rem; min-height: 260px; font-family: var(--mono); font-size: .88rem; color: var(--cyan); white-space: pre-wrap; }
.cursor { animation: blink 1s steps(1) infinite; color: var(--blue); }

/* ===== Seções ===== */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__head { margin-bottom: 2.2rem; }

.about { max-width: 70ch; color: var(--silver); }
.pillars { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: .8rem; }
.pillars li span { display: block; padding: .4rem 1rem; border: 1px solid var(--border); border-radius: 8px; font-family: var(--mono); color: var(--cyan); background: var(--surface); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
.grid--news { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card { padding: 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: transform .25s, border-color .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); border-color: var(--blue); box-shadow: 0 8px 30px rgba(10,108,255,.2); }
.card h3 { font-family: var(--mono); font-size: 1.05rem; color: var(--text); }
.card p { color: var(--muted); margin: 0; }

.tag { display: inline-block; margin-bottom: .9rem; padding: .15rem .7rem; border-radius: 999px; font-size: .75rem; font-family: var(--mono); border: 1px solid currentColor; }
.tag--study { color: #ffb020; }
.tag--build { color: var(--cyan); }
.tag--plan { color: var(--muted); }

/* Notícias */
.news-card { display: flex; flex-direction: column; gap: .6rem; }
.news-card__thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 10px; background: #0d1830; }
.news-card__meta { font-family: var(--mono); font-size: .75rem; color: var(--cyan); }
.news-card h3 { font-family: var(--sans); font-size: 1.05rem; margin: 0; }
.news-card p { font-size: .9rem; }
.news-card__link { margin-top: auto; color: var(--cyan); font-weight: 600; font-size: .9rem; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0 0 0 1.6rem; border-left: 2px solid var(--border); }
.timeline__item { position: relative; padding: 0 0 1.8rem 1.4rem; }
.timeline__item::before { content: ""; position: absolute; left: -2.1rem; top: .35rem; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--border); }
.timeline__item--done::before { background: var(--blue); border-color: var(--blue); }
.timeline__item--current::before { background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 14px var(--cyan); animation: pulse 1.6s infinite; }
.timeline__item h3 { margin-bottom: .2em; }
.timeline__item p { color: var(--muted); margin: 0; }

/* Contato */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; padding: 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.contact__banner { border-radius: 10px; }
.contact__info { display: flex; flex-direction: column; gap: .8rem; }
.contact__link { color: var(--cyan); font-size: 1.05rem; width: fit-content; border-bottom: 1px solid transparent; }
.contact__link:hover { border-color: var(--cyan); }

/* Footer */
.footer { padding: 1.6rem 0; border-top: 1px solid var(--border); color: var(--muted); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }

/* Animações */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 50% { opacity: .35; } }

/* ===== Responsivo ===== */
@media (max-width: 860px) {
  .hero__inner, .contact { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 1rem; padding: 1.2rem 4%; background: var(--bg); border-bottom: 1px solid var(--border); display: none; }
  .nav.is-open { display: flex; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Fallback das notícias */
.news-fallback { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; max-width: 460px; }
.news-fallback p { margin: 0; }
.news-fallback__links { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }

/* Miniaturas das notícias */
.news-card { padding: 0; overflow: hidden; gap: 0; }
.news-card > :not(.news-card__media) { margin-inline: 1.3rem; }
.news-card__meta { margin-top: 1rem; }
.news-card h3 { margin-top: .4rem; }
.news-card p { margin-top: .5rem; }
.news-card__link { margin-block: 1rem 1.3rem; }
.news-card__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: radial-gradient(circle at 30% 20%, #0f2a55, #060b18 70%); }
.news-card__placeholder { position: absolute; inset: 0; margin: auto; width: 45%; height: auto; opacity: .55; mix-blend-mode: screen; }
.news-card__thumb { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; border-radius: 0; transition: transform .4s; }
.news-card:hover .news-card__thumb { transform: scale(1.05); }

/* Esqueleto de carregamento */
.news-skeleton { padding: 0; overflow: hidden; }
.sk { background: linear-gradient(90deg, #0d1830 25%, #14233f 50%, #0d1830 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
.sk--img { aspect-ratio: 16 / 9; }
.sk--line { height: 14px; margin: 1.1rem 1.3rem 0; border-radius: 6px; }
.sk--short { width: 55%; margin-bottom: 1.3rem; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* Refinamentos de usabilidade e acessibilidade */
:root { --muted: #a5b2c9; --border: #203250; }
body { min-width: 320px; }
.section__head .muted { max-width: 65ch; }
.btn { text-align: center; }
.btn:active { transform: translateY(0); }
.news-card__link:hover, .contact__link:hover { text-decoration: underline; text-underline-offset: 4px; }
.news-card__link { overflow-wrap: anywhere; }
.news-card h3 { overflow-wrap: anywhere; }
.news-card__media { isolation: isolate; }
.news-card__placeholder { object-fit: contain; }
/* Conteúdo continua visível quando JS está indisponível. */
.reveal { opacity: 1; transform: none; }
.js-motion .reveal { opacity: 0; transform: translateY(20px); }
.js-motion .reveal.is-visible { opacity: 1; transform: none; }
@media (max-width: 860px) {
 .nav { max-height: calc(100dvh - 68px); overflow-y: auto; box-shadow: 0 18px 36px rgba(0,0,0,.3); }
 .menu-toggle { border-radius: 8px; }
}
@media (max-width: 500px) {
 .hero { padding-block: 3.4rem; }
 .hero__actions { flex-direction: column; }
 .hero__actions .btn { width: 100%; }
 .terminal__body { font-size: .73rem; min-height: 225px; padding: .85rem; }
 .grid--news { grid-template-columns: minmax(0,1fr); }
 .contact { padding: 1rem; gap: 1rem; }
 .contact__link { font-size: .95rem; overflow-wrap: anywhere; }
 .footer__inner { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
 .js-motion .reveal { opacity: 1; transform: none; }
}