/* ==========================================================================
   Alicerce Soluções Integradas — Design System (Brand Book)
   ========================================================================== */

:root {
  /* Paleta */
  --blue-deep: #0B2D4A;
  --blue-mid: #134067;
  --orange: #D97706;
  --orange-soft: rgba(217, 119, 6, 0.12);
  --white: #FFFFFF;
  --gray-light: #F0F3F7;
  --gray-mid: #94A3B8;
  --graphite: #1F2937;
  --text-muted: #5C6778;
  --border: #D8E0EA;

  /* Tipografia */
  --font-logo: "Manrope", "Inter", system-ui, sans-serif;
  --font-title: "IBM Plex Sans", "Inter", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Inter", system-ui, sans-serif;
  --font-ui: "Inter", system-ui, sans-serif;

  /* Grid & espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 5.5rem;
  --container: 1140px;

  /* Componentes */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 16px rgba(11, 45, 74, 0.06);
  --shadow-md: 0 12px 40px rgba(11, 45, 74, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 45, 74, 0.1);
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--graphite);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

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

.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;
}

/* ---- Tipografia ---- */
h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--blue-deep);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0 0 var(--space-sm); }
h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); margin: 0 0 var(--space-sm); }
h3 { font-size: 1.125rem; margin: 0 0 var(--space-xs); }

.eyebrow {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--orange);
  margin: 0 0 var(--space-xs);
}

.tagline {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--orange);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.02em;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36em;
  margin: 0;
}

.section-intro {
  color: var(--text-muted);
  margin: 0;
  max-width: 32em;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-sm);
}

.logo { display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; }

.site-nav {
  display: flex;
  gap: 1.75rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--graphite);
}

.site-nav a {
  position: relative;
  padding: 0.25rem 0;
}

.site-nav a:hover { color: var(--blue-deep); }

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.2s ease;
}

.site-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--blue-deep);
  border-radius: 1px;
}

/* ---- Hero ---- */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, var(--orange-soft), transparent 55%),
    linear-gradient(180deg, var(--gray-light) 0%, var(--white) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.photo-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 320px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-muted);
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}

.photo-slot svg {
  width: 48px; height: 48px;
  color: var(--blue-mid);
  opacity: 0.5;
}

.hero-photo {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.card-photo {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

/* ---- Manifesto ---- */
.manifesto {
  background: var(--blue-deep);
  color: var(--white);
}

.manifesto-inner blockquote {
  margin: 0;
  max-width: 52em;
}

.manifesto blockquote p {
  margin: 0 0 var(--space-sm);
  font-size: 1.0625rem;
  line-height: 1.75;
  opacity: 0.92;
}

.manifesto blockquote p:last-child { margin-bottom: 0; }
.manifesto blockquote strong { color: var(--white); font-weight: 600; }

/* ---- Sections ---- */
.section { padding: var(--space-xl) 0; }
.section-compact { padding: var(--space-lg) 0; }
.section-alt { background: var(--gray-light); }
.section-contact { background: var(--gray-light); }

.section-head.center { text-align: center; }
.section-head.center .section-intro { margin-inline: auto; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

/* ---- Pilares ---- */
.pillars {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-sm);
  align-items: stretch;
}

.pillar {
  grid-column: span 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.pillar-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 1.25rem;
  font-weight: 600;
}

.pillar-icon,
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-bottom: var(--space-sm);
  color: var(--blue-deep);
}

.pillar-icon svg,
.card-icon svg { width: 28px; height: 28px; }

.pillar p,
.card p {
  margin: 0;
  font-size: 0.925rem;
  color: var(--text-muted);
}

/* ---- Cards (soluções) ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 45, 74, 0.15);
}

/* ---- Essência ---- */
.essence-list { margin: 0; }

.essence-list > div {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.essence-list > div:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.essence-list dt {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blue-deep);
  margin-bottom: 0.35rem;
}

.essence-list dd {
  margin: 0;
  color: var(--text-muted);
}

.values-title {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
}

.values {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}

.values li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.95rem;
  color: var(--graphite);
}

.values li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---- Ecossistema ---- */
.ecosystem {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
}

.ecosystem-hub {
  grid-column: 1 / -1;
  padding: var(--space-md);
  background: var(--blue-deep);
  color: var(--white);
  border-radius: var(--radius-md);
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.ecosystem-spoke {
  padding: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--blue-deep);
}

.ecosystem-divider {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: var(--space-xs) 0;
}

.ecosystem-product {
  padding: var(--space-sm);
  background: rgba(11, 45, 74, 0.06);
  border: 1px solid rgba(11, 45, 74, 0.12);
  border-radius: var(--radius-sm);
  color: var(--blue-mid);
}

/* ---- Taglines ---- */
.quotes { background: var(--white); border-top: 1px solid var(--border); }

.taglines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.taglines li {
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-mid);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--gray-light);
}

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--blue-deep);
  color: var(--white);
}

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

.btn-ghost {
  background: var(--white);
  border-color: var(--border);
  color: var(--blue-deep);
}

.btn-ghost:hover {
  border-color: var(--blue-deep);
  background: var(--gray-light);
}

/* ---- Contato ---- */
.contact-lead {
  color: var(--text-muted);
  margin: 0;
  max-width: 28em;
}

.contact-form {
  display: grid;
  gap: var(--space-sm);
  background: var(--white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--graphite);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-family: var(--font-body);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 3px rgba(11, 45, 74, 0.1);
}

.form-feedback {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.875rem;
  font-family: var(--font-ui);
}

.form-feedback.ok { color: #0f7a45; }
.form-feedback.err { color: #b42318; }

/* ---- Footer ---- */
.site-footer {
  background: var(--blue-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: var(--space-lg) 0;
  font-size: 0.875rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
}

.footer-brand p {
  margin: var(--space-sm) 0 0;
  max-width: 20em;
  font-size: 0.85rem;
  opacity: 0.85;
}

.footer-logo {
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer-copy {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  opacity: 0.65;
}

/* ---- Responsivo ---- */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .pillars {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-inline: auto;
  }
  .pillar-arrow { padding: 0.25rem 0; }
}

@media (max-width: 768px) {
  .hero-grid,
  .grid-2 { grid-template-columns: 1fr; }

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

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

  .ecosystem { grid-template-columns: repeat(2, 1fr); }

  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 0;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open { display: flex; }

  .site-nav a {
    padding: 0.75rem 1.25rem;
  }

  .site-nav a::after { display: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}