/* ==========================================================================
   TEMPLATE INSTITUCIONAL — SISTEMA DE CSS
   Base reutilizável para sites institucionais (MASSIMUS CONSULTING e outros)
   Estrutura: 1) Tokens  2) Reset  3) Tipografia  4) Layout  5) Componentes
              6) Seções específicas  7) Responsivo  8) Utilidades
   ========================================================================== */

/* --------------------------------------------------------------------------
   1) DESIGN TOKENS — troque estas variáveis para adaptar a marca de cada
   novo site sem precisar reescrever regras abaixo.
   -------------------------------------------------------------------------- */
:root {
  /* Cores base */
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  --color-ink: #0f172a;
  --color-ink-soft: #334155;
  --color-muted: #64748b;
  --color-muted-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  /* Marca / destaque */
  --color-primary: #0f172a;
  --color-primary-hover: #1e293b;
  --color-primary-light: #eef2f7;
  --color-accent: #0284c7;
  --color-accent-hover: #0369a1;
  --color-accent-light: #e0f2fe;

  /* Semânticas (usadas em formulários / mensagens de estado) */
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-error: #dc2626;
  --color-error-light: #fee2e2;

  /* Tipografia */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --fs-xs: clamp(0.72rem, 0.7rem + 0.1vw, 0.78rem);
  --fs-sm: clamp(0.85rem, 0.82rem + 0.12vw, 0.9375rem);
  --fs-base: clamp(0.9375rem, 0.9rem + 0.18vw, 1.0625rem);
  --fs-md: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --fs-lg: clamp(1.15rem, 1.08rem + 0.3vw, 1.375rem);
  --fs-xl: clamp(1.35rem, 1.22rem + 0.55vw, 1.75rem);
  --fs-2xl: clamp(1.6rem, 1.4rem + 0.9vw, 2.125rem);
  --fs-3xl: clamp(2rem, 1.65rem + 1.6vw, 2.875rem);
  --fs-4xl: clamp(2.4rem, 1.85rem + 2.5vw, 3.75rem);

  --lh-tight: 1.15;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1180px;
  --max-width-narrow: 760px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Bordas */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 16px -4px rgba(15, 23, 42, 0.10), 0 2px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 20px 35px -12px rgba(15, 23, 42, 0.18);

  /* Transições */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  --z-header: 200;
}

/* --------------------------------------------------------------------------
   2) RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink-soft);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

::selection { background: var(--color-accent); color: #fff; }

:focus:not(:focus-visible) { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }

button { font-family: inherit; }

input, textarea, button { font-size: inherit; }

/* --------------------------------------------------------------------------
   3) TIPOGRAFIA
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }

p { line-height: var(--lh-relaxed); }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-hover); }

strong { color: var(--color-ink); font-weight: var(--fw-semibold); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   4) LAYOUT
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main > section {
  padding: var(--space-16) 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-12);
  text-align: center;
}
.section-head h2 { margin-bottom: var(--space-3); }
.section-head p { color: var(--color-muted); font-size: var(--fs-md); }

/* --------------------------------------------------------------------------
   5) COMPONENTES REUTILIZÁVEIS
   -------------------------------------------------------------------------- */

/* Botões — combine .btn com .primary ou .secondary */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn.primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.btn.primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn.secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn.secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-muted);
  transform: translateY(-2px);
}

/* Cartão base — usado por .item, .datum, .stamp */
.card-base {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   6) CABEÇALHO / NAVEGAÇÃO
   header > .nav > (.brand, nav > a)
   -------------------------------------------------------------------------- */
header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-md);
  font-weight: var(--fw-extrabold);
  color: var(--color-ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--color-ink); }
.brand span {
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}
.nav nav a {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.nav nav a:hover {
  color: var(--color-ink);
  background: var(--color-surface-hover);
}

/* --------------------------------------------------------------------------
   7) HERO — section.hero > (div de conteúdo, div.hero-media)
   -------------------------------------------------------------------------- */
.hero {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-20) var(--gutter) var(--space-16);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-12);
}

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero > div:not(.hero-media) > p {
  font-size: var(--fs-md);
  color: var(--color-muted);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-media {
  position: relative;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.stamp {
  position: absolute;
  right: var(--space-6);
  bottom: calc(-1 * var(--space-8));
  max-width: min(300px, calc(100% - 2 * var(--space-6)));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}
.stamp strong {
  display: block;
  font-size: var(--fs-base);
  margin-bottom: var(--space-1);
}
.stamp small {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   8) ATUAÇÃO — .grid > .item
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}

.item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.item h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}
.item p {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  margin: 0;
}

/* --------------------------------------------------------------------------
   9) PROCESSO — .wrap.split > (div, .steps > .step)
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split > div:first-child p {
  color: var(--color-muted);
  font-size: var(--fs-md);
  max-width: 42ch;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
}

.step > b {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}
.step:hover > b {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.step h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-1);
}
.step p {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  margin: 0;
}

/* --------------------------------------------------------------------------
   10) CONTATO — section.notice > .wrap > (.section-head, form.contact-form)
   -------------------------------------------------------------------------- */
.notice {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.notice::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.contact-form {
  display: grid;
  gap: var(--space-5);
  max-width: 560px;
  margin: 0 auto;
}

.contact-form label {
  display: grid;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--fw-normal);
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.contact-form input[type="text"]:hover,
.contact-form input[type="email"]:hover,
.contact-form textarea:hover { border-color: var(--color-muted); }

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
  outline: none;
  background: var(--color-surface);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.contact-form textarea { min-height: 130px; resize: vertical; }

.contact-form .btn { margin-top: var(--space-2); justify-self: start; }

/* --------------------------------------------------------------------------
   11) EMPRESA — .data > .datum
   -------------------------------------------------------------------------- */
.data {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-4);
}

.datum {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: all var(--transition-fast);
}
.datum:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}
.datum label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}
.datum strong {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   12) PÁGINAS LEGAIS — article.wrap.legal
   -------------------------------------------------------------------------- */
.legal {
  max-width: var(--max-width-narrow);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.legal h1 {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.legal h2 {
  font-size: var(--fs-xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-3);
}
.legal p { margin-bottom: var(--space-4); color: var(--color-ink-soft); }
.legal p:last-child { margin-bottom: 0; }
.legal .contact-form { margin: var(--space-8) 0 0; }

/* --------------------------------------------------------------------------
   13) RODAPÉ — footer > .footer > (div, .links)
   -------------------------------------------------------------------------- */
footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-10) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.footer strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--color-ink);
}
.footer small {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}
.links a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-muted);
}
.links a:hover { color: var(--color-ink); }

/* --------------------------------------------------------------------------
   14) RESPONSIVO
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: var(--space-10); padding-top: var(--space-16); }
  .hero > div:not(.hero-media) { text-align: center; }
  .hero > div:not(.hero-media) > p { margin-left: auto; margin-right: auto; }
  .actions { justify-content: center; }
  .hero-media { order: -1; max-width: 480px; margin: 0 auto; }
  .stamp { position: static; margin: var(--space-6) auto 0; }

  .split { grid-template-columns: 1fr; gap: var(--space-8); }
  .split > div:first-child { text-align: center; }
  .split > div:first-child p { margin-left: auto; margin-right: auto; }
  .eyebrow { justify-content: center; }
}

@media (max-width: 720px) {
  .nav { justify-content: center; text-align: center; }
  .nav nav { justify-content: center; }

  main > section { padding: var(--space-12) 0; }
  .section-head { margin-bottom: var(--space-8); }

  .footer { flex-direction: column; text-align: center; }
  .links { justify-content: center; }
}

@media (max-width: 480px) {
  .actions { flex-direction: column; align-items: stretch; }
  .actions .btn { width: 100%; }
  .item, .notice, .datum { padding: var(--space-6); }
  .step { gap: var(--space-4); }
}

/* --------------------------------------------------------------------------
   15) UTILIDADES
   -------------------------------------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }