/* ============================================================
   Alvops — Tokens de identidade (do portfólio)
   Espelha portfolio/index.html <style>
   Fonte de verdade:
   docs/superpowers/specs/2026-08-26-identidade-marca-design.md (§4.1)
   ============================================================ */

:root {
  /* fundos e superfícies */
  --bg-fundo:        #09090b;
  --bg-superficie:   #141418;
  --bg-superficie-2: #1e1e24;
  --bg-superficie-3: #2b2b32;
  /* linhas */
  --linha-borda:     #2b2b32;
  --linha-sutil:     #1c1c22;
  /* tipografia */
  --texto-principal: #f4f4f5;
  --texto-suave:     #c9c6c0;
  --texto-muted:     #92929b;
  /* acentos */
  --accent-primario: #ff6b2b;
  --accent-hover:    #ff9a5c;
  --accent-rgb:      255, 107, 43;
  --fundo-rgb:       9, 9, 11;
  --texto-sobre-accent: #09090b;
  /* estados operacionais */
  --status-profit:   #4fbf7f;
  --status-loss:     #e1685b;

  /* alias curtos usados no markup */
  --fundo:        var(--bg-fundo);
  --superficie:   var(--bg-superficie);
  --superficie-2: var(--bg-superficie-2);
  --superficie-3: var(--bg-superficie-3);
  --texto:        var(--texto-principal);
  --texto-fraco:  var(--texto-muted);
  --accent:       var(--accent-primario);
  --accent-2:     var(--accent-hover);
  --linha:        var(--linha-borda);
  --verde:        var(--status-profit);

  /* sobreposições */
  --overlay-bg:   rgba(var(--fundo-rgb), .82);
  --shadow-accent: 0 8px 32px -8px rgba(var(--accent-rgb), .12);
  --shadow-accent-forte: 0 16px 40px -16px rgba(var(--accent-rgb), .18);

  /* escala tipográfica (razão ~1.15, base 16px) */
  --fs-micro: .65rem;
  --fs-mini:  .75rem;
  --fs-sm:    .86rem;
  --fs-body:  1rem;
  --fs-lead:  1.15rem;
  --fs-h3:    1.35rem;

  /* movimento e famílias */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --fonte-display: 'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --fonte-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --fonte-base: 'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fundo); color: var(--texto);
  font-family: var(--fonte-base); min-height: 100vh;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
body::after {
  content: ''; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 180px;
}
body.no-scroll { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; }
h1, h2, h3 { font-family: var(--fonte-display); font-weight: 800; letter-spacing: -.02em; }

/* ---------- foco de teclado visível (WCAG 2.4.7) ---------- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

/* ---------- barra de progresso de leitura ---------- */
#scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2.5px; z-index: 60;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 0.08s linear;
}

nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem; background: rgba(var(--fundo-rgb), .95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha);
  opacity: 0; animation: entra-cima 0.9s var(--ease-out) 0.6s forwards;
}
nav .marca { font-family: var(--fonte-mono); font-size: var(--fs-mini); letter-spacing: 0.06em; color: var(--texto-fraco); }
nav .marca strong { color: var(--accent); font-weight: 600; }
nav .links { display: flex; gap: 1.25rem; font-size: var(--fs-mini); color: var(--texto-fraco); }
nav .links a { text-decoration: none; color: var(--texto-fraco); transition: color .15s; }
nav .links a:hover, nav .links a:focus-visible { color: var(--texto); }

/* ---------- hero ---------- */
header.hero {
  position: relative; overflow: hidden;
  padding: 6rem 1.5rem 4rem; text-align: center;
}
header.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 10%, rgba(var(--accent-rgb), .05), transparent 70%);
}
header.hero > * { position: relative; z-index: 1; }

.hero .rotulo {
  font-family: var(--fonte-mono); text-transform: uppercase; letter-spacing: 0.16em;
  font-size: var(--fs-micro); color: var(--accent); font-weight: 500;
  opacity: 0; animation: entra-cima 0.8s var(--ease-out) 0.55s forwards;
}
.hero h1 {
  font-family: var(--fonte-display); font-weight: 700; font-style: normal;
  font-size: clamp(1.8rem, 5vw, 3rem); line-height: 1.12; margin: 1rem auto 0; max-width: 720px;
  letter-spacing: -.025em;
  opacity: 0; animation: entra-foco 1s var(--ease-out) 0.75s forwards;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p.sub {
  max-width: 500px; margin: 1.25rem auto 0; color: var(--texto-fraco); font-size: var(--fs-body); line-height: 1.6;
  opacity: 0; animation: entra-cima 0.8s var(--ease-out) 1.05s forwards;
}
.hero .cta {
  margin-top: 1.75rem; display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap;
  opacity: 0; animation: entra-cima 0.8s var(--ease-out) 1.25s forwards;
}
.btn {
  font-family: var(--fonte-mono); font-size: var(--fs-mini); text-decoration: none;
  padding: 0.6rem 1.2rem; border-radius: 4px; border: 1px solid var(--linha);
  color: var(--texto); transition: all .15s ease; display: inline-block;
  will-change: transform; letter-spacing: .04em;
  background: transparent; appearance: none; -webkit-appearance: none;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); color: var(--accent-2); }
.btn:active { transform: scale(.98); }
.btn.primario { background: var(--accent); color: var(--texto-sobre-accent); border-color: var(--accent); font-weight: 600; }
.btn.primario:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--texto-sobre-accent); }

main { max-width: 1040px; margin: 0 auto; padding: 0 1.5rem 5rem; }
section { padding-top: 3rem; }

/* ---------- eyebrow & section headers ---------- */
section .eyebrow {
  font-family: var(--fonte-mono); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: var(--fs-micro); color: var(--accent); margin-bottom: 0.5rem; font-weight: 500;
}
section h2 {
  font-family: var(--fonte-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(1.3rem, 2.8vw, 1.6rem); margin: 0 0 1.5rem;
}

/* ---------- revelação ao rolar ---------- */
@keyframes reveal-fallback { to { opacity: 1; transform: none; } }
[data-reveal] {
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 50ms);
  animation: reveal-fallback 0.01s 1.5s forwards;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- abertura cinematográfica ---------- */
@keyframes entra-cima { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes entra-foco { from { opacity: 0; transform: scale(1.03); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
nav:focus-within, .hero .cta:focus-within { opacity: 1; animation: none; }

/* ---------- cards & componentes ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.grid { display: grid; gap: 1rem; }
.grid-produtos { grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); }
@media (max-width: 900px) { .grid-produtos { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-produtos { grid-template-columns: 1fr; } }
.card { background: var(--superficie); border: 1px solid var(--linha); border-radius: 8px; padding: 1.5rem; transition: border-color 0.25s, box-shadow 0.25s; position: relative; overflow: hidden; text-decoration: none; display: block; }
.card::before { content: ''; position: absolute; inset: 0; opacity: 0; pointer-events: none; background: radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), .08), transparent 70%); transition: opacity .3s ease; }
.card:hover, .card:focus-visible { border-color: var(--accent); box-shadow: var(--shadow-accent); outline: none; }
.card:hover::before { opacity: 1; }
.card h3 { margin: 0 0 0.5rem; font-size: var(--fs-body); font-weight: 700; }
.card p { margin: 0; color: var(--texto-fraco); font-size: var(--fs-sm); line-height: 1.55; }

.tag {
  font-family: var(--fonte-mono); font-size: var(--fs-micro); color: var(--accent);
  text-transform: uppercase; letter-spacing: .12em; position: relative; display: block; margin-bottom: .5rem;
}
.pill {
  font-family: var(--fonte-mono); font-size: var(--fs-micro); color: var(--texto-fraco);
  background: var(--superficie-2); border: 1px solid var(--linha); border-radius: 4px;
  padding: .2rem .5rem; display: inline-flex; align-items: center; gap: .35rem; margin-top: .75rem; position: relative;
}
.pill--pronto::before, .pill--andamento::before { content: ''; width: 5px; height: 5px; border-radius: 50%; flex: none; }
.pill--pronto { color: var(--verde); }
.pill--pronto::before { background: var(--verde); }
.pill--andamento { color: var(--accent); }
.pill--andamento::before { background: var(--accent); }

/* ---------- etapas / como funciona ---------- */
.etapa {
  position: relative; padding: 1.25rem; background: var(--superficie); border: 1px solid var(--linha);
  border-radius: 8px; overflow: hidden; transition: border-color 0.25s, box-shadow 0.25s;
}
.etapa::before {
  content: ''; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), .08), transparent 70%);
  transition: opacity .3s ease;
}
.etapa:hover { border-color: var(--accent); box-shadow: var(--shadow-accent); }
.etapa:hover::before { opacity: 1; }
.etapa-num { font-family: var(--fonte-mono); font-size: 1.5rem; font-weight: 800; color: var(--accent); display: block; margin-bottom: 0.5rem; position: relative; }
.etapa h3 { margin: 0 0 0.35rem; font-size: var(--fs-body); font-weight: 700; position: relative; }
.etapa p { margin: 0; color: var(--texto-fraco); font-size: var(--fs-sm); line-height: 1.55; position: relative; }

/* ---------- rejeições ---------- */
.rejeicao {
  background: var(--superficie); border: 1px solid var(--linha); border-radius: 8px;
  padding: 1.25rem; position: relative; overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.rejeicao::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent);
}
.rejeicao:hover { border-color: var(--accent); box-shadow: var(--shadow-accent); }
.rejeicao .rej-icon { font-family: var(--fonte-mono); font-size: var(--fs-lead); color: var(--accent); margin-bottom: 0.4rem; display: block; position: relative; }
.rejeicao h3 { margin: 0 0 0.3rem; font-size: var(--fs-body); font-weight: 700; position: relative; }
.rejeicao p { margin: 0; color: var(--texto-fraco); font-size: var(--fs-sm); line-height: 1.55; position: relative; }

/* ---------- números & faixa ---------- */
.faixa-numeros {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 0.75rem;
  background: var(--superficie); border: 1px solid var(--linha); border-radius: 8px; padding: 1.25rem;
  position: relative; overflow: hidden;
}
.faixa-numeros::before {
  content: ''; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), .06), transparent 70%);
  transition: opacity .3s ease;
}
.faixa-numeros:hover::before { opacity: 1; }
.numero { position: relative; text-align: center; padding-top: 0; }
.numero strong {
  font-family: var(--fonte-mono); display: block; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800;
  color: var(--accent); letter-spacing: -.03em; position: relative;
}
.numero span {
  font-family: var(--fonte-mono); font-size: var(--fs-micro); color: var(--texto-fraco);
  text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-top: 0.3rem; position: relative;
}

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--linha); margin-top: 4rem;
  padding: 2.5rem 1.75rem; text-align: center; color: var(--texto-fraco); font-size: var(--fs-sm);
}
footer a { color: var(--accent-2); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 640px) {
  nav { padding: 0.85rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
  nav .links { gap: 0.7rem; font-size: var(--fs-mini); flex-wrap: wrap; justify-content: flex-end; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  nav, .hero .rotulo, .hero h1, .hero p.sub, .hero .cta {
    opacity: 1; animation: none; transform: none; filter: none;
  }
}