/* ==========================================================================
   layout.css — header, hero, seções, grids e rodapé
   ========================================================================== */

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(5, 8, 15, .78);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(5, 8, 15, .9); }

.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 32px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav ul { display: flex; gap: 1.6rem; }
.nav li a {
  display: inline-block;
  padding: .5rem 0;
  color: var(--muted);
  font-size: .94rem;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.nav li a:hover { color: var(--text); }

.menu-btn { display: none; }

@media (max-width: 880px) {
  .menu-btn {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px; height: 44px;
    padding: 0 11px;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    cursor: pointer;
  }
  .menu-btn span { display: block; height: 1.5px; background: var(--text); transition: transform .25s var(--ease); }
  .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

  .nav {
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem var(--gutter) 1.5rem;
    background: rgba(5, 8, 15, .97);
    border-bottom: 1px solid var(--line);
  }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li a { display: block; padding: .85rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .js .nav { display: none; }
  .js .nav.is-open { display: flex; }
}

/* Hero --------------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}
.hero::before {
  /* grade fina futurista, mascarada e estática (sem custo de animação) */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 65% at 50% 30%, #000 20%, transparent 75%);
  opacity: .55;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -22%;
  right: -12%;
  width: min(760px, 90vw);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(110, 231, 255, .16), rgba(143, 158, 255, .08) 55%, transparent 100%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero-copy > * + * { margin-top: 1.5rem; }
.hero-copy .lead { max-width: 56ch; }
.hero-copy .cta-row { margin-top: 2rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .4rem .85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(110, 231, 183, .6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(110, 231, 183, .55); }
  70%, 100% { box-shadow: 0 0 0 9px rgba(110, 231, 183, 0); }
}

.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lead { font-size: var(--fs-lead); color: var(--muted); line-height: 1.6; }
.cta-row { display: flex; flex-wrap: wrap; gap: .85rem; }

.ticks { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; color: var(--muted); font-size: var(--fs-sm); }
.ticks li { display: inline-flex; align-items: center; gap: .5rem; }
.ticks .ico { color: var(--ok); }
.ticks--col { flex-direction: column; flex-wrap: nowrap; gap: .7rem; font-size: .95rem; margin-top: 1.75rem; }

.platforms {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .9rem;
  align-items: center;
}
.platforms span { color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-right: .5rem; }
.platforms i { color: var(--line-strong); font-style: normal; }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Seções ------------------------------------------------------------------- */
.section { padding-block: var(--section-y); position: relative; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

.section-head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head > * + * { margin-top: 1.1rem; }
.section-head p:not(.label) { color: var(--muted); font-size: var(--fs-lead); }

.label {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}

.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid > .card { border: 0; border-radius: 0; }

@media (max-width: 880px) {
  .grid--3 { grid-template-columns: 1fr; }
}
@media (min-width: 560px) and (max-width: 880px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.split .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 2rem); }
@media (max-width: 880px) {
  .split, .split--cta { grid-template-columns: 1fr; }
  .split .section-head { position: static; margin-bottom: 1rem; }
}

/* Rodapé ------------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 3rem 2rem; background: var(--bg); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
.footer-inner > div { max-width: 40ch; }
.footer-inner .fine { margin-top: 1rem; }
.site-footer nav ul { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.site-footer nav a { display: inline-block; padding: .4rem 0; color: var(--muted); text-decoration: none; font-size: .94rem; }
.site-footer nav a:hover { color: var(--text); }
.footer-base {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem 2rem;
  font-size: .8rem;
  color: var(--muted);
}
.footer-base p { max-width: 70ch; }