/* ─── Variables (same palette as the app) ───────────────────────── */
:root {
  --bg: #05050e;
  --surface: #0b0b1c;
  --card: rgba(255,255,255,0.032);
  --card-border: rgba(255,255,255,0.072);
  --card-hover: rgba(255,255,255,0.052);
  --txt: #eaeaff;
  --dim: #6a6a92;
  --muted: #9898b8;
  --primary: #c026d3;
  --secondary: #3b82f6;
  --accent: #06b6d4;
  --success: #10b981;
  --danger: #ef4444;
  --r: 14px;
  --r-lg: 20px;
  --t: 0.18s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', system-ui, -apple-system, sans-serif; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--txt); min-height: 100vh; overflow-x: hidden; font-size: 15px; -webkit-font-smoothing: antialiased; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }
.dim { color: var(--dim); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 1.25rem; }

/* ─── Background ─────────────────────────────────────────────────── */
.bg-effects { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.blob { position: absolute; filter: blur(120px); border-radius: 50%; opacity: 0.18; }
.b1 { top: -12%; left: -15%; width: 480px; height: 480px; background: var(--primary); animation: fl 26s ease-in-out infinite alternate; }
.b2 { bottom: -18%; right: -14%; width: 560px; height: 560px; background: var(--secondary); animation: fl 32s ease-in-out infinite alternate; animation-delay: -11s; }
.b3 { top: 38%; left: 48%; width: 360px; height: 360px; background: var(--accent); animation: fl 21s ease-in-out infinite alternate; animation-delay: -18s; }
@keyframes fl {
  0%   { transform: translate(0,0)    scale(1); }
  33%  { transform: translate(30px,45px) scale(1.08); }
  66%  { transform: translate(-20px,18px) scale(0.96); }
  100% { transform: translate(14px,-28px) scale(1.04); }
}

/* ─── Header ─────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); background: rgba(5,5,14,0.72); border-bottom: 1px solid var(--card-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.85rem 1.25rem; gap: 1rem; }
.header-brand { display: flex; align-items: center; gap: 0.6rem; }
.logo-icon { width: 34px; height: 34px; background: rgba(192,38,211,0.1); border: 1px solid rgba(192,38,211,0.18); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.brand-name { font-size: 1.05rem; font-weight: 800; letter-spacing: -0.4px; }
.grad { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.site-nav { display: flex; align-items: center; gap: 1.4rem; font-size: 0.88rem; font-weight: 600; color: var(--muted); }
.site-nav a:hover { color: var(--txt); }
.btn-nav-cta { background: rgba(255,255,255,0.08); padding: 0.45rem 0.9rem; border-radius: 9px; color: var(--txt) !important; }
.btn-nav-cta:hover { background: rgba(255,255,255,0.14); }

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); color: #fff; font-weight: 700; font-size: 0.95rem; padding: 0.85rem 1.5rem; border-radius: 12px; border: none; cursor: pointer; transition: transform var(--t), box-shadow var(--t); box-shadow: 0 8px 24px -8px rgba(192,38,211,0.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -8px rgba(192,38,211,0.7); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-lg { font-size: 1.05rem; padding: 1rem 2rem; }
.btn-secondary { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--card); border: 1px solid var(--card-border); color: var(--txt); font-weight: 600; font-size: 0.95rem; padding: 0.85rem 1.5rem; border-radius: 12px; transition: background var(--t); }
.btn-secondary:hover { background: var(--card-hover); }
.chip-inline { background: rgba(255,255,255,0.18); font-size: 0.72rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 999px; margin-left: 0.2rem; }
.chip-green { display: inline-flex; align-items: center; background: rgba(16,185,129,0.12); color: var(--success); border: 1px solid rgba(16,185,129,0.25); font-size: 0.78rem; font-weight: 700; padding: 0.3rem 0.75rem; border-radius: 999px; }
.badge-beta { display: inline-flex; align-items: center; background: rgba(59,130,246,0.14); color: var(--secondary); border: 1px solid rgba(59,130,246,0.28); font-size: 0.65rem; font-weight: 800; letter-spacing: 0.4px; text-transform: uppercase; padding: 0.2rem 0.5rem; border-radius: 999px; vertical-align: middle; margin-left: 0.4rem; }

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero { padding: 5.5rem 0 4rem; }
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.1rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 800; letter-spacing: -1.2px; line-height: 1.12; max-width: 760px; }
.hero-sub { max-width: 620px; color: var(--muted); font-size: 1.05rem; }
.hero-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; margin-top: 0.6rem; }
.hero-note { color: var(--dim); font-size: 0.82rem; margin-top: 0.3rem; }

/* ─── Sections ───────────────────────────────────────────────────── */
.section { padding: 3.2rem 0; border-top: 1px solid var(--card-border); }
.section-title { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.6px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); margin-top: 0.5rem; font-size: 0.95rem; }
.section-sub a { color: var(--accent); font-weight: 600; }
.section-sub a:hover { text-decoration: underline; }

/* ─── Platforms ──────────────────────────────────────────────────── */
.platform-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-top: 1.8rem; }
.platform-chip { background: var(--card); border: 1px solid var(--card-border); padding: 0.6rem 1.1rem; border-radius: 999px; font-weight: 600; font-size: 0.9rem; color: var(--txt); transition: background var(--t), transform var(--t); }
.platform-chip:hover { background: var(--card-hover); transform: translateY(-2px); }
.platform-chip.more { color: var(--accent); border-color: rgba(6,182,212,0.3); background: rgba(6,182,212,0.08); }

/* ─── Features ───────────────────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.feature-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 1.5rem; transition: background var(--t), transform var(--t); }
.feature-card:hover { background: var(--card-hover); transform: translateY(-3px); }
.feature-icon { width: 42px; height: 42px; border-radius: 11px; background: rgba(192,38,211,0.12); border: 1px solid rgba(192,38,211,0.22); color: var(--accent); display: flex; align-items: center; justify-content: center; margin-bottom: 0.9rem; }
.feature-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 0.45rem; }
.feature-card p { color: var(--muted); font-size: 0.88rem; }

/* ─── Steps ──────────────────────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem; }
.step-card { text-align: center; padding: 1rem; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); font-weight: 800; font-size: 1.05rem; margin-bottom: 0.9rem; }
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.step-card p { color: var(--muted); font-size: 0.88rem; }

/* ─── Web download teaser (homepage) ─────────────────────────────── */
.web-teaser-card { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 1.8rem 2rem; }
.web-teaser-sub { color: var(--muted); font-size: 0.92rem; margin-top: 0.5rem; max-width: 480px; }
.web-teaser-cta { flex-shrink: 0; }

/* ─── Web download form (used on /baixar) ────────────────────────── */
.web-form { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.7rem; margin-top: 2rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.web-input { flex: 1 1 280px; background: var(--card); border: 1px solid var(--card-border); color: var(--txt); font-size: 0.92rem; padding: 0.85rem 1.1rem; border-radius: 12px; outline: none; transition: border-color var(--t), background var(--t); }
.web-input::placeholder { color: var(--dim); }
.web-input:focus { border-color: rgba(192,38,211,0.5); background: var(--card-hover); }
.format-toggle { display: flex; gap: 0.4rem; background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; padding: 0.3rem; }
.format-option { display: flex; align-items: center; gap: 0.35rem; padding: 0.5rem 0.75rem; border-radius: 9px; font-size: 0.82rem; font-weight: 600; color: var(--muted); cursor: pointer; transition: all var(--t); }
.format-option:has(input:checked) { background: rgba(255,255,255,0.09); color: var(--txt); }
.format-option input { accent-color: var(--primary); }
.web-submit { flex-shrink: 0; }
.web-status { text-align: center; margin-top: 1rem; font-size: 0.88rem; min-height: 1.2em; color: var(--muted); }
.web-status.ok { color: var(--success); }
.web-status.error { color: var(--danger); }

/* ─── Changelog ──────────────────────────────────────────────────── */
.changelog-box { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 1.5rem 1.7rem; margin-top: 1.8rem; max-width: 720px; margin-left: auto; margin-right: auto; }
.changelog-entry { padding: 0.9rem 0; border-bottom: 1px solid var(--card-border); }
.changelog-entry:last-child { border-bottom: none; padding-bottom: 0.2rem; }
.changelog-entry:first-child { padding-top: 0.2rem; }
.changelog-entry h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; display: flex; align-items: center; gap: 0.5rem; }
.changelog-entry ul { list-style: none; display: flex; flex-direction: column; gap: 0.3rem; }
.changelog-entry li { color: var(--muted); font-size: 0.86rem; padding-left: 0.9rem; position: relative; }
.changelog-entry li::before { content: '—'; position: absolute; left: 0; color: var(--dim); }

/* ─── Download CTA ───────────────────────────────────────────────── */
.download-section { text-align: center; }
.download-inner { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.download-inner h2 { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.6px; }
.download-inner > p:not(.hero-note) { color: var(--muted); }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--card-border); padding: 1.6rem 0 2.4rem; }
.footer-inner { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 0.6rem; color: var(--dim); font-size: 0.82rem; }

/* ─── Reveal-on-scroll (see script.js) ───────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .site-nav { gap: 0.9rem; font-size: 0.82rem; }
  .site-nav a:not(.btn-nav-cta) { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .web-form { flex-direction: column; align-items: stretch; }
  .web-submit { width: 100%; }
  .web-teaser-card { flex-direction: column; align-items: stretch; text-align: center; }
  .web-teaser-card .section-title { text-align: center !important; }
  .web-teaser-sub { max-width: none; }
}
@media (min-width: 761px) and (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}