:root {
  --bg: #05080f;
  --bg-2: #0c1422;
  --text: #f5f7fa;
  --muted: #9aa6b5;
  --line: rgba(245, 247, 250, 0.12);
  --cyan: #8ad8ff;
  --header: 4.5rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .mail, .specs strong, .panels h3 {
  font-family: "Inter Tight", Inter, sans-serif;
  letter-spacing: -0.035em;
}

a { color: inherit; }

.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header);
  padding: 0 1.5rem;
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: saturate(140%) blur(18px);
  border-bottom: 1px solid transparent;
}

.brand {
  justify-self: start;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav a:hover { color: var(--text); }

.entrar {
  justify-self: end;
  padding: 0.45rem 0.95rem;
  background: var(--text);
  color: #0a0c10;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.entrar:hover { background: var(--cyan); }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header) + 2rem) 1.5rem 4rem;
  overflow: hidden;
}

.glow {
  position: absolute;
  width: min(720px, 90vw);
  height: 420px;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(120, 200, 255, 0.22), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
}

.lockup {
  position: relative;
  width: min(520px, 86vw);
  height: auto;
  margin-bottom: 0.5rem;
}

h1 {
  position: relative;
  max-width: 16ch;
  margin: 0.25rem 0 1rem;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  font-weight: 600;
  line-height: 0.98;
}

.lead {
  position: relative;
  max-width: 36rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn, .ghost {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.btn { background: var(--text); color: #0a0c10; }
.btn:hover { background: var(--cyan); }

.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.ghost:hover { background: rgba(255, 255, 255, 0.08); }

.statement {
  padding: 7rem 1.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(90, 160, 220, 0.12), transparent 60%),
    #070b14;
}

.statement p {
  max-width: 18ch;
  margin: 0 auto;
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.specs div {
  padding: 2.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.specs div + div { border-left: 1px solid var(--line); }

.specs strong {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
}

.specs span { color: var(--muted); font-size: 0.95rem; }

.block {
  max-width: 76rem;
  margin: 0 auto;
  padding: 7rem 1.5rem 0;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.block-head h2, .close h2 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.05;
}

.block-head p:last-child {
  max-width: 36rem;
  margin: 1rem 0 0;
  color: var(--muted);
}

.panels {
  display: grid;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

.panels article {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 2rem 1.75rem;
  background: linear-gradient(180deg, #121a28, #0c121c);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.panels article:hover {
  transform: translateY(-3px);
  border-color: rgba(138, 216, 255, 0.35);
}

.index {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.kicker {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.panels h3 {
  margin: 0 0 0.55rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1;
}

.panels p:last-child {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
}

.clients {
  max-width: 76rem;
  margin: 0 auto;
  padding: 6rem 1.5rem 0;
}

.clients ul {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.clients li {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.note {
  max-width: 36rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.method {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.method li {
  min-height: 16rem;
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: #0c121c;
  border: 1px solid var(--line);
}

.method h3 {
  margin: 0 0 0.75rem;
  font-size: 1.55rem;
  font-weight: 600;
}

.method p { margin: 0; color: var(--muted); }

.close {
  min-height: 70svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 7rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse 50% 60% at 20% 80%, rgba(120, 190, 255, 0.16), transparent 55%),
    #070b14;
}

.close p:not(.eyebrow) {
  max-width: 34rem;
  color: var(--muted);
}

.mail {
  margin-top: 1.5rem;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.mail:hover { color: var(--cyan); }

.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
}

.foot p { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero .lockup { animation-delay: 0.05s; }
.hero h1 { animation-delay: 0.16s; }
.hero .lead { animation-delay: 0.28s; }
.hero .actions { animation-delay: 0.4s; }

@keyframes rise {
  to { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (max-width: 800px) {
  .top {
    grid-template-columns: 1fr auto;
  }

  .nav { display: none; }

  .specs, .method { grid-template-columns: 1fr; }

  .specs div + div { border-left: 0; border-top: 1px solid var(--line); }

  .panels article { grid-template-columns: 1fr; }

  .foot { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .panels article { animation: none; transition: none; opacity: 1; transform: none; }
}