/* Penflow — placeholder institucional
   Sistema de cor: quase-preto + roxo/violeta neon, extraído do hero shot do app. */

:root {
  --brand-500: #7C3AED;
  --brand-600: #6D28D9;
  --brand-100: #EFE5FD;
  --ink-900: #150C24;
  --ink-600: #5B4E70;
  --ink-300: rgba(21, 12, 36, .14);
  --surface: #F7F4FB;
  --surface-raised: #FFFFFF;
  --accent: #7C3AED;
  --accent-600: #6D28D9;

  /* fixo nos dois temas: o hero é um bloco de marca, não a superfície da página */
  --hero-bg: #030214;
  --hero-ink: #F5F0FF;
  --hero-ink-muted: rgba(245, 240, 255, .74);
  --hero-accent: #A855F7;
  --hero-accent-600: #9333EA;
  --hero-accent-700: #7E22CE;
  --hero-cta-ink: #FFFFFF;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  --ease: cubic-bezier(.16, 1, .3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-500: #C084FC;
    --brand-600: #D8B4FE;
    --brand-100: #241633;
    --ink-900: #F1E9FB;
    --ink-600: #B9A9CE;
    --ink-300: rgba(241, 233, 251, .14);
    --surface: #0E0817;
    --surface-raised: #170F26;
    --accent: #C084FC;
    --accent-600: #D8B4FE;
  }
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink-900);
  font-family: "Public Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, .logo {
  font-family: "Space Grotesk", system-ui, sans-serif;
}

h1, h2 {
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  .cta, .nav-cta {
    transition: transform 200ms var(--ease), background-color 200ms var(--ease);
  }
}

/* ---------- header ---------- */
/* flutua sobre o hero (sempre escuro), por isso usa os tokens --hero-* fixos */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-3);
  max-width: 1200px;
  margin: 0 auto;
  color: var(--hero-ink);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo-sub {
  font-family: "Public Sans", system-ui, sans-serif;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--hero-ink-muted);
}

.nav-cta {
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border: 1px solid rgba(245, 240, 255, .3);
  border-radius: 100px;
}

.nav-cta:hover {
  border-color: var(--hero-accent);
  background: rgba(245, 240, 255, .08);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  color: var(--hero-ink);
  border-radius: 24px;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 680px;
  display: flex;
  align-items: center;
  padding: var(--space-8);
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(3, 2, 20, .88) 0%,
    rgba(3, 2, 20, .6) 32%,
    rgba(3, 2, 20, .18) 55%,
    rgba(3, 2, 20, 0) 72%
  );
  z-index: 1;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 480px;
}

.eyebrow {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--hero-accent);
  margin: 0 0 var(--space-3);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 3.2rem);
  max-width: 18ch;
}

.hero-lead {
  font-size: 1.05rem;
  max-width: 42ch;
  color: var(--hero-ink-muted);
  margin: var(--space-3) 0 var(--space-4);
}

.cta {
  display: inline-block;
  background: var(--hero-accent-600);
  color: var(--hero-cta-ink);
  font-weight: 600;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 8px;
  min-height: 44px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .16), 0 16px 32px -16px rgba(147, 51, 234, .5);
}

.cta:hover {
  background: var(--hero-accent-700);
  transform: translateY(-1px);
}

.cta-outline {
  background: transparent;
  color: var(--ink-900);
  border: 1.5px solid var(--ink-300);
  box-shadow: none;
}

.cta-outline:hover {
  background: var(--surface-raised);
  border-color: var(--brand-500);
}

/* ---------- about ---------- */

.about {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-3) var(--space-6);
}

.about h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  max-width: 20ch;
}

.about-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.about-lead {
  font-size: 1.1rem;
  color: var(--ink-600);
  max-width: 38ch;
  margin: 0;
}

.about-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about-list li {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  padding-top: var(--space-3);
  border-top: 1px solid var(--ink-300);
  max-width: 60ch;
}

.about-num {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  color: var(--accent);
  font-size: .95rem;
  flex-shrink: 0;
}

/* ---------- status / contact ---------- */

.status {
  max-width: 1200px;
  margin: 0 auto var(--space-6);
  padding: var(--space-6) var(--space-3);
  border-top: 1px dashed var(--ink-300);
}

.status-inner {
  max-width: 56ch;
}

.status h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
}

.status p {
  color: var(--ink-600);
  margin: var(--space-3) 0 var(--space-4);
}

/* ---------- footer ---------- */

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: .85rem;
  color: var(--ink-600);
}