/* Crazy Cats Lab — playful + dark/sleek
   Self-hosted system fonts only (no external requests = no supply-chain risk) */

:root {
  --bg: #0c0d12;
  --bg-alt: #12131b;
  --surface: #181a24;
  --surface-2: #1f2230;
  --border: #2a2d3d;
  --text: #e7e8ef;
  --text-dim: #a2a5b8;
  --accent: #ff6b9d;        /* playful pink */
  --accent-2: #7c5cff;      /* electric violet */
  --accent-3: #34d4b5;      /* mint */
  --live: #34d4b5;
  --wip: #ffb454;
  --radius: 16px;
  --maxw: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent); }

/* ---------- i18n: show only the active language ---------- */
html[data-lang="pt"] [data-en] { display: none; }
html[data-lang="en"] [data-pt] { display: none; }

/* Accessibility: skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #1a0b12;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  font-weight: 700;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 13, 18, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.2px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  object-fit: cover;
}
.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.lang-toggle {
  font-family: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.lang-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.lang-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lang-toggle .lt-en,
.lang-toggle .lt-pt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.lang-toggle .flag {
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: block;
}
/* Show only the option for the language you can switch TO */
html[data-lang="pt"] .lang-toggle .lt-pt { display: none; }
html[data-lang="en"] .lang-toggle .lt-en { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--border);
}
.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 320px at 18% -10%, rgba(124, 92, 255, 0.28), transparent 60%),
    radial-gradient(620px 340px at 88% 8%, rgba(255, 107, 157, 0.24), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; }
.hero-logo {
  display: block;
  width: clamp(180px, 34vw, 300px);
  height: auto;
  margin: 0 auto 26px;
  border-radius: 50%;
  border: 2px solid var(--border);
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.08),
              0 18px 50px rgba(124, 92, 255, 0.30);
}
.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 600;
}
.hero-title {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -1.5px;
}
.hero-sub {
  max-width: 640px;
  margin: 0 auto 30px;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 28px;
}
.section-title .accent { opacity: 0.7; }
.section-lead {
  color: var(--text-dim);
  margin: -14px 0 32px;
  font-size: 1.05rem;
}
.prose { max-width: 720px; }
.prose p { margin: 0 0 18px; color: var(--text-dim); font-size: 1.08rem; }
.prose strong { color: var(--text); }

/* ---------- Project cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 56px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-2); }
.card-icon { font-size: 2.2rem; margin-bottom: 12px; }
.card-title { margin: 0 0 8px; font-size: 1.3rem; font-weight: 800; }
.card-text { margin: 0; color: var(--text-dim); }
.tag {
  position: absolute;
  left: 24px;
  bottom: 22px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: lowercase;
}
.tag-live { background: rgba(52, 212, 181, 0.14); color: var(--live); }
.tag-wip { background: rgba(255, 180, 84, 0.14); color: var(--wip); }

/* ---------- Team ---------- */
.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.member {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.member:hover { transform: translateY(-4px); border-color: var(--accent); }
.member-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.member-avatar {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  font-size: 1.7rem;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.member-name { margin: 0; font-size: 1.2rem; font-weight: 800; }
.member-role { margin: 2px 0 0; font-size: 0.9rem; color: var(--accent); font-weight: 600; }
.member-bio { margin: 0; color: var(--text-dim); font-size: 0.98rem; }
.member-bio em { color: var(--text); font-style: italic; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 34px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-brand { margin: 0; font-weight: 800; }
.footer-note { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 0.88rem; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 60px 0; }
}