/* Conveymec — site institucional (rascunho)
   Identidade visual: "Força Industrial, em azul" */

:root {
  /* Brand tokens (aprovados) */
  --brand-steel-black: #14171a; /* preto aço — fundo */
  --brand-blue: #2b7fc9;        /* azul — destaque */
  --brand-steel-grey: #5c6670;  /* cinza aço — linhas e detalhes */
  --brand-white: #ffffff;       /* branco — texto */

  /* Derivados (superfícies e contraste) */
  --bg: var(--brand-steel-black);
  --bg-alt: #181c20;
  --bg-elevated: #1b1f23;
  --bg-card: #22272c;
  --text: var(--brand-white);
  --text-muted: #b3bbc3;          /* cinza aço clareado — 9.3:1 sobre o fundo */
  --accent: var(--brand-blue);
  --accent-light: #5aa2e0;        /* azul clareado p/ texto pequeno — 6.6:1 */
  --accent-hover: #3a8dd6;
  --accent-soft: rgba(43, 127, 201, 0.16);
  --border: rgba(92, 102, 112, 0.45);
  --border-strong: var(--brand-steel-grey);

  --radius: 4px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --font: "Barlow", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
  color: var(--text);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.25rem);
  line-height: 1;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 3rem);
}

h3 {
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.45em;
}

p {
  margin: 0 0 1em;
  color: var(--text-muted);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Rótulo com mini-chevrons da marca */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.85rem;
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 1.2rem;
  height: 1.2rem;
  background: url("assets/simbolo.svg") center / contain no-repeat;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(20, 23, 26, 0.88);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

/* Logo final (assets/logo-horizontal-escuro.svg — vetor do marketing) */
.logo {
  --logo-size: 1.75rem;
  display: inline-flex;
  align-items: center;
}

.logo-img {
  display: block;
  height: var(--logo-size);
  width: auto;
  aspect-ratio: 5676 / 838;
}

.logo--sm {
  --logo-size: 1.4rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

.nav-cta {
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--brand-white) !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--accent-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* Buttons — Barlow Condensed 700, ≥ 19px (texto grande p/ contraste) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--brand-white);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
}

/* Hero */
.hero {
  padding: 4.5rem 0 5rem;
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(43, 127, 201, 0.2), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(43, 127, 201, 0.08), transparent 50%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-lead {
  font-size: 1.15rem;
  max-width: 38rem;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-panel {
  position: relative;
}

.panel-card {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem;
  box-shadow: var(--shadow);
}

.panel-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.panel-list li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}

.panel-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.panel-accent {
  position: absolute;
  inset: 1.5rem -1rem -1rem 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(43, 127, 201, 0.4), transparent 60%);
  z-index: 0;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.75rem;
}

.section-intro {
  margin-bottom: 0;
}

/* Cards — Serviços */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--accent);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border-strong);
  width: 2.6rem;
}

.card p {
  margin-bottom: 0;
  font-size: 0.98rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.4rem;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.step-num {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--brand-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1;
}

.step p {
  margin: 0;
  font-size: 0.95rem;
}

/* Diferenciais */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.diff {
  padding: 1.6rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: linear-gradient(165deg, var(--bg-card), var(--bg-elevated));
}

.diff p {
  margin: 0;
}

/* Contato */
.section-contact {
  background:
    radial-gradient(ellipse 70% 50% at 20% 0%, rgba(43, 127, 201, 0.14), transparent 55%),
    var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-details {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
}

.contact-details li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: flex-start;
  padding-left: 0.9rem;
  border-left: 2px solid var(--border-strong);
}

.contact-link {
  color: var(--text);
  font-weight: 500;
  font-size: 1.1rem;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
  overflow-wrap: anywhere;
  transition: color 0.15s ease;
}

.contact-link:hover {
  color: var(--accent-light);
}

.contact-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: grid;
  gap: 0.95rem;
  box-shadow: var(--shadow);
}

.form-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #8a949e;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-form textarea {
  resize: vertical;
  min-height: 6rem;
}

.contact-form .btn {
  margin-top: 0.25rem;
  width: 100%;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 2.75rem;
  background: var(--bg-alt);
}

.footer-inner {
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}

.footer-brand {
  margin-bottom: 0.35rem;
}

.footer-note,
.footer-legal {
  margin: 0;
  font-size: 0.9rem;
}

.footer-legal {
  color: var(--text-muted);
}

/* Foco visível (teclado) */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr; /* 3 serviços: evita card órfão em 2 colunas */
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .hero-panel {
    max-width: 26rem;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .logo {
    --logo-size: 1.5rem;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(20, 23, 26, 0.97);
    border-bottom: 1px solid var(--border);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    border-bottom: 0 !important;
  }

  .cards,
  .steps,
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }
}