/* ============================================================================
   HOME.CSS · Página inicial direta: uma tela, um link (Treinamentos).
   Ao clicar, a transição da passagem do cateter leva até a tela de senha.
   ============================================================================ */

:root {
  --canvas: #06100e;
  --accent: #3ee0b0;
  --accent-hover: #72ecc8;
  --accent-tinta: #04231a;
  --text-secondary: #a7bcb4;
  --text-primary: #eef4f1;
  --linha-forte: rgba(190, 230, 215, 0.26);
  --lumen: #2a0710;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --texto: "Manrope", "Segoe UI", Arial, sans-serif;
  --mono: "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease-saida: cubic-bezier(0.16, 1, 0.3, 1);
  --margem: clamp(20px, 6vw, 104px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-x: clip;
  background: var(--canvas);
}

body {
  color: var(--text-primary);
  font-family: var(--texto);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(62, 224, 176, 0.3);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ------------------------------------------------------------------------ */
/* A tela única                                                              */
/* ------------------------------------------------------------------------ */

.inicio {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  min-height: 100svh;
  padding: 22px var(--margem) 24px;
  isolation: isolate;
  overflow: hidden;
}

.inicio-visual,
.inicio-visual img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.inicio-visual img {
  display: block;
  object-fit: cover;
  object-position: 62% 50%;
}

.inicio-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 16, 14, 0.94) 0%, rgba(6, 16, 14, 0.78) 30%, rgba(6, 16, 14, 0.2) 58%, rgba(6, 16, 14, 0) 72%),
    linear-gradient(180deg, rgba(6, 16, 14, 0.55) 0%, rgba(6, 16, 14, 0) 22%, rgba(6, 16, 14, 0) 70%, rgba(6, 16, 14, 0.7) 100%);
}

.inicio-topo {
  display: flex;
  align-items: center;
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--display);
  font-variation-settings: "wdth" 108;
  font-weight: 650;
  font-size: 1rem;
}

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

.marca small {
  padding-left: 10px;
  border-left: 1px solid var(--linha-forte);
  color: var(--text-secondary);
  font-family: var(--mono);
  font-variation-settings: "wdth" 87.5;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.inicio-conteudo {
  align-self: center;
  max-width: 800px;
  padding: 40px 0;
  animation: surge 0.7s var(--ease-saida) both;
}

.inicio-conteudo h1 {
  margin: 0;
  font-family: var(--display);
  font-variation-settings: "wdth" 114;
  font-weight: 690;
  font-size: clamp(2.35rem, 4.6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.014em;
  text-wrap: balance;
  text-shadow: 0 2px 30px rgba(3, 8, 7, 0.55);
}

.inicio-sub {
  margin: 20px 0 0;
  max-width: 44ch;
  color: #d3e0db;
  font-size: clamp(1.02rem, 1.3vw, 1.18rem);
}

.link-treinamentos {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 60px;
  margin-top: 34px;
  padding: 16px 30px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-tinta);
  font-family: var(--texto);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 16px 40px -16px rgba(62, 224, 176, 0.65);
  transition: transform 0.35s var(--ease-saida), background-color 0.35s var(--ease-saida), box-shadow 0.35s var(--ease-saida);
}

.link-treinamentos svg {
  transition: transform 0.35s var(--ease-saida);
}

.link-treinamentos:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 22px 48px -18px rgba(62, 224, 176, 0.8);
}

.link-treinamentos:hover svg {
  transform: translateX(4px);
}

.inicio-nota {
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-family: var(--mono);
  font-variation-settings: "wdth" 87.5;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.inicio-rodape p {
  margin: 0;
  max-width: 70ch;
  color: rgba(167, 188, 180, 0.8);
  font-size: 0.78rem;
}

@keyframes surge {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Saindo para a transição */
.transicionando .inicio-conteudo,
.transicionando .inicio-rodape {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

/* ------------------------------------------------------------------------ */
/* Transição: a passagem do cateter                                          */
/* ------------------------------------------------------------------------ */

.transicao {
  position: fixed;
  inset: 0;
  z-index: 50;
  overflow: hidden;
  background: var(--canvas);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}

.transicao.ativa {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0s;
}

.transicao canvas,
.transicao-2d {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: var(--ox, 50%) var(--oy, 50%);
}

.transicao-2d {
  display: none;
}

.transicao.com-2d canvas {
  display: none;
}

.transicao.com-2d .transicao-2d {
  display: block;
  transform-origin: 58% 64%;
  animation: t2d-zoom 1.5s cubic-bezier(0.7, 0, 0.84, 0) both;
}

.t2d-agulha,
.t2d-fio {
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
}

.com-2d .t2d-planos {
  animation: t2d-planos 0.3s ease both;
}

.com-2d .t2d-agulha {
  animation: t2d-traco 0.5s var(--ease-saida) 0.2s both;
}

.com-2d .t2d-fio {
  animation: t2d-traco 0.4s var(--ease-saida) 0.7s both;
}

@keyframes t2d-planos {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes t2d-traco {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}

@keyframes t2d-zoom {
  0%, 70% { transform: scale(1); }
  100% { transform: scale(6); }
}

.transicao-veu {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ox, 50%) var(--oy, 50%), #5a1223 0%, var(--lumen) 45%, #12040a 100%);
  opacity: 0;
  pointer-events: none;
}

.transicao.zoom canvas {
  transform: scale(7);
  transition: transform 0.48s cubic-bezier(0.7, 0, 0.84, 0);
}

.transicao.zoom .transicao-veu {
  opacity: 1;
  transition: opacity 0.4s ease-in 0.08s;
}

.com-2d .transicao-veu {
  animation: veu 1.5s ease-in both;
}

@keyframes veu {
  0%, 78% { opacity: 0; }
  100% { opacity: 1; }
}

.transicao-status {
  position: absolute;
  left: var(--margem);
  bottom: max(26px, env(safe-area-inset-bottom));
  display: grid;
  gap: 10px;
  margin: 0;
  color: var(--text-primary);
  font-family: var(--mono);
  font-variation-settings: "wdth" 87.5;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 1px 3px rgba(3, 8, 7, 0.9);
}

.transicao-barra {
  display: block;
  width: 180px;
  height: 2px;
  border-radius: 2px;
  background: rgba(190, 230, 215, 0.2);
  overflow: hidden;
}

.transicao-barra::after {
  content: "";
  display: block;
  height: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(var(--prog, 0));
}

.captura .inicio,
.captura .transicao-status {
  display: none;
}

.captura .transicao {
  opacity: 1;
  visibility: visible;
  transition: none;
}

/* ------------------------------------------------------------------------ */
/* Celular e retrato                                                         */
/* ------------------------------------------------------------------------ */

@media (orientation: portrait), (max-width: 720px) {
  .inicio {
    padding: 18px 20px max(20px, env(safe-area-inset-bottom));
  }

  .inicio-visual img {
    object-position: 50% 30%;
  }

  .inicio-scrim {
    background: linear-gradient(180deg, rgba(6, 16, 14, 0.6) 0%, rgba(6, 16, 14, 0) 18%, rgba(6, 16, 14, 0) 40%, rgba(6, 16, 14, 0.88) 64%, rgba(6, 16, 14, 0.97) 100%);
  }

  .inicio-conteudo {
    align-self: end;
    padding: 24px 0 12px;
  }

  .inicio-conteudo h1 {
    font-size: clamp(2.1rem, 9vw, 2.9rem);
  }

  .link-treinamentos {
    width: 100%;
    margin-top: 26px;
  }

  .inicio-rodape p {
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .inicio-conteudo {
    animation: none;
  }

  .link-treinamentos,
  .link-treinamentos svg {
    transition: none;
  }
}