/* ==========================================================================
   iLink Tech Solutions - Site Estático
   Vanilla CSS - paleta extraída da logomarca
   ========================================================================== */

:root {
  /* Paleta oficial iLink - azul #056A97 e cinza #4B4B4D extraídos da logomarca */
  --ilink-50:  #E6F0F6;
  --ilink-100: #C2DCEA;
  --ilink-200: #8FBED5;
  --ilink-300: #5C9FC0;
  --ilink-400: #2C82AB;
  --ilink-500: #056A97; /* oficial */
  --ilink-600: #045580;
  --ilink-700: #034368;
  --ilink-800: #023250;
  --ilink-900: #012438;
  --ilink-950: #011926;

  --graphite-50:  #F5F5F5;
  --graphite-100: #E5E5E5;
  --graphite-200: #C7C7C8;
  --graphite-300: #A0A0A1;
  --graphite-400: #717172;
  --graphite-500: #4B4B4D; /* oficial */
  --graphite-600: #3C3C3E;
  --graphite-700: #2E2E30;
  --graphite-800: #1F1F21;
  --graphite-900: #131314;

  --white: #FFFFFF;

  --shadow-soft: 0 4px 20px -2px rgba(1, 36, 56, 0.08);
  --shadow-medium: 0 10px 40px -8px rgba(1, 36, 56, 0.15);
  --shadow-strong: 0 20px 60px -12px rgba(1, 36, 56, 0.25);

  --gradient-graphite: linear-gradient(135deg, #011926 0%, #023250 55%, #045580 100%);
  --gradient-ilink: linear-gradient(135deg, #012438 0%, #034368 50%, #056A97 100%);
}

/* Reset ---------------------------------------------------------------------*/
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--graphite-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--graphite-900);
  line-height: 1.15;
}

/* Layout --------------------------------------------------------------------*/
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1024px) {
  .container { padding: 0 40px; }
}

.section { padding: 80px 0; }
.section-tight { padding: 64px 0; }
@media (min-width: 1024px) {
  .section { padding: 112px 0; }
  .section-tight { padding: 80px 0; }
}

/* Tipografia ----------------------------------------------------------------*/
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ilink-600);
  margin-bottom: 16px;
}
.eyebrow-light { color: var(--ilink-300); }

.text-xs { font-size: 12px; }
.text-sm { font-size: 14px; }
.text-base { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }

h1, .h1 { font-size: clamp(36px, 5vw, 60px); font-weight: 800; }
h2, .h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; }
h3, .h3 { font-size: clamp(20px, 2.5vw, 26px); }

.lead {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.6;
  color: var(--graphite-600);
}
.text-muted { color: var(--graphite-600); }
.text-white { color: var(--white); }
.text-ilink { color: var(--ilink-600); }
.text-ilink-light { color: var(--ilink-300); }
.text-graphite-300 { color: var(--graphite-300); }

/* Pain points / Stat cards (páginas de solução) ----------------------------*/
.stat-tile {
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.stat-tile .stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--ilink-500);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-tile .stat-label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--graphite-600);
  line-height: 1.45;
}
.stat-tile-dark {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 24px;
}
.stat-tile-dark .stat-num { color: var(--ilink-300); }
.stat-tile-dark .stat-label { color: var(--graphite-300); }

.pain-card {
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 12px;
  padding: 24px;
  border-left: 3px solid var(--ilink-500);
  box-shadow: var(--shadow-soft);
}
.pain-card .pain-q {
  font-weight: 700;
  color: var(--graphite-900);
  margin-bottom: 8px;
  font-size: 16px;
}
.pain-card .pain-a {
  font-size: 14px;
  color: var(--graphite-600);
  line-height: 1.5;
}

/* FAQ -----------------------------------------------------------------------*/
.faq-item {
  border-bottom: 1px solid var(--graphite-100);
  padding: 20px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--graphite-900);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--ilink-500);
  font-weight: 400;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item p {
  margin-top: 12px;
  color: var(--graphite-600);
  line-height: 1.65;
  font-size: 15px;
}

/* Comparativo (Sem iLink vs Com iLink) -------------------------------------*/
.compare {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare-col {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-soft);
}
.compare-col.bad {
  background: var(--graphite-50);
  border: 1px solid var(--graphite-100);
}
.compare-col.good {
  background: linear-gradient(135deg, var(--ilink-50), #FFFFFF);
  border: 1px solid var(--ilink-100);
  box-shadow: var(--shadow-medium);
}
.compare-col h3 {
  font-size: 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-col.bad h3 { color: var(--graphite-600); }
.compare-col.good h3 { color: var(--ilink-700); }
.compare-col ul { display: grid; gap: 10px; }
.compare-col li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
}
.compare-col.bad li { color: var(--graphite-600); }
.compare-col.good li { color: var(--graphite-800); }
.compare-col.bad li::before {
  content: "✕";
  color: #b94a4a;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.compare-col.good li::before {
  content: "✓";
  color: var(--ilink-500);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Solution hub cards (página solucoes.html) --------------------------------*/
.solution-hub-card {
  position: relative;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--graphite-100);
  padding: 36px 32px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s;
  overflow: hidden;
}
.solution-hub-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--ilink-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.solution-hub-card:hover {
  box-shadow: var(--shadow-medium);
  border-color: var(--ilink-200);
  transform: translateY(-2px);
}
.solution-hub-card:hover::before { transform: scaleX(1); }
.solution-hub-card .icon-box-lg {
  width: 64px; height: 64px;
  border-radius: 14px;
  background: var(--ilink-50);
  color: var(--ilink-600);
  display: flex;
  align-items: center;
  justify-content: center;
}
.solution-hub-card .icon-box-lg svg { width: 32px; height: 32px; }
.solution-hub-card h3 { font-size: 22px; }
.solution-hub-card .link-cta {
  margin-top: auto;
  color: var(--ilink-600);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.solution-hub-card:hover .link-cta { color: var(--ilink-700); }

/* Métrica grande (commercial trigger) --------------------------------------*/
.big-metric {
  text-align: center;
  padding: 28px 20px;
}
.big-metric .num {
  font-size: 56px;
  font-weight: 800;
  color: var(--ilink-500);
  letter-spacing: -0.04em;
  line-height: 1;
}
.big-metric .label {
  margin-top: 8px;
  color: var(--graphite-700);
  font-weight: 600;
  font-size: 14px;
}
.bg-dark .big-metric .num { color: var(--ilink-300); }
.bg-dark .big-metric .label { color: var(--graphite-300); }

/* Sticky CTA banner --------------------------------------------------------*/
.cta-banner {
  background: var(--gradient-ilink);
  color: var(--white);
  padding: 32px;
  border-radius: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
  box-shadow: var(--shadow-strong);
}
@media (min-width: 768px) {
  .cta-banner { grid-template-columns: 2fr auto; padding: 36px 40px; }
}
.cta-banner h3 { color: var(--white); font-size: 22px; }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 14px; margin-top: 4px; }

/* Header --------------------------------------------------------------------*/
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
  border-bottom-color: var(--graphite-100);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 16px;
}
.header-logo img { height: 48px; width: auto; }
.header-nav {
  display: none;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.header-nav a {
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--graphite-600);
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.header-nav a:hover { color: var(--ilink-700); background: var(--graphite-50); }
.header-nav a.active {
  color: var(--ilink-700);
  background: var(--ilink-50);
}
/* Dropdown */
.header-nav .has-dropdown {
  position: relative;
}
.header-nav .has-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.header-nav .has-dropdown > a::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  margin-left: 4px;
  opacity: 0.6;
}
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 12px;
  box-shadow: var(--shadow-strong);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  z-index: 100;
}
.header-nav .has-dropdown:hover .dropdown,
.header-nav .has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: flex !important;
  flex-direction: column;
  padding: 10px 14px !important;
  border-radius: 6px;
  white-space: normal !important;
}
.dropdown a .dd-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--graphite-900);
  line-height: 1.3;
}
.dropdown a .dd-desc {
  font-size: 12px;
  color: var(--graphite-500);
  font-weight: 400;
  margin-top: 2px;
  line-height: 1.4;
}
.dropdown a:hover {
  background: var(--ilink-50);
}
.dropdown a:hover .dd-title { color: var(--ilink-700); }

/* Mobile sublist */
.header-mobile .submenu-title {
  font-size: 11px !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--graphite-500) !important;
  padding: 12px 12px 4px !important;
  cursor: default;
  pointer-events: none;
}
.header-mobile .submenu-link {
  padding-left: 24px !important;
  font-size: 13px !important;
}
.header-actions { display: none; align-items: center; gap: 8px; }
.header-toggle {
  display: flex;
  padding: 8px;
  color: var(--graphite-800);
}
@media (min-width: 1200px) {
  .header-nav, .header-actions { display: flex; }
  .header-toggle { display: none; }
}

.header-mobile {
  display: none;
  background: var(--white);
  border-top: 1px solid var(--graphite-100);
  /* Limita a altura ao espaço abaixo do cabeçalho fixo (80px) e permite rolar
     o menu quando há muitos links em telas baixas. */
  max-height: calc(100vh - 80px);
  max-height: calc(100dvh - 80px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.header-mobile.open { display: block; }
.header-mobile .container { padding-top: 16px; padding-bottom: 16px; }
.header-mobile a {
  display: block;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  color: var(--graphite-700);
}
.header-mobile a:hover { background: var(--graphite-50); }
.header-mobile a.active { color: var(--ilink-700); background: var(--ilink-50); }
/* Botão "Solicitar proposta" do menu mobile: texto branco p/ contraste no fundo azul */
.header-mobile .btn-primary,
.header-mobile .btn-primary:hover { color: var(--white); }

/* Botões --------------------------------------------------------------------*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: all 0.2s;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ilink-500);
  color: var(--white);
  box-shadow: var(--shadow-medium);
}
.btn-primary:hover { background: var(--ilink-600); box-shadow: var(--shadow-strong); }
.btn-secondary {
  background: var(--white);
  color: var(--ilink-700);
  border: 1px solid var(--ilink-200);
}
.btn-secondary:hover { border-color: var(--ilink-400); background: var(--ilink-50); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-outline-dark {
  background: transparent;
  color: var(--graphite-900);
  border: 1px solid var(--graphite-300);
}
.btn-outline-dark:hover { border-color: var(--graphite-500); background: var(--graphite-50); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* Em telas pequenas (celular), botões de chamada no mesmo bloco ficam com
   largura total e empilhados — todos com o mesmo tamanho e bom alvo de toque. */
@media (max-width: 640px) {
  .hero-actions > .btn,
  .footer-cta-actions > .btn,
  .flex.flex-wrap > .btn {
    width: 100%;
    flex: 1 1 100%;
    white-space: normal;
  }
}

/* Cards ---------------------------------------------------------------------*/
.card {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--graphite-100);
  box-shadow: var(--shadow-soft);
  padding: 28px;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.card:hover { box-shadow: var(--shadow-medium); border-color: var(--ilink-200); }
.card-dark {
  background: rgba(31, 31, 31, 0.6);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 28px;
  transition: border-color 0.3s;
}
.card-dark:hover { border-color: rgba(92, 159, 192, 0.45); }

/* Grid utilities ------------------------------------------------------------*/
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.grid-5 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-5 { grid-template-columns: repeat(5, 1fr); }
  .grid-2-lg { grid-template-columns: 1fr 1fr; }
}
.gap-md { gap: 24px; }
.gap-lg { gap: 40px; }
.gap-xl { gap: 56px; }

/* Backgrounds e seções ------------------------------------------------------*/
.bg-graphite-50 { background: var(--graphite-50); }
.bg-white { background: var(--white); }
.bg-dark {
  background: var(--gradient-graphite);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }
.bg-dark .text-muted { color: var(--graphite-300); }
.bg-ilink {
  background: var(--ilink-700);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.bg-ilink h1, .bg-ilink h2, .bg-ilink h3 { color: var(--white); }

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg width='40' height='40' xmlns='http://www.w3.org/2000/svg'><path d='M0 39h40M39 0v40' stroke='rgba(255,255,255,0.06)' stroke-width='1'/></svg>");
  opacity: 0.4;
  pointer-events: none;
}
.gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,20,20,0.4) 0%, rgba(20,20,20,0.3) 50%, var(--graphite-900) 100%);
  pointer-events: none;
}

/* Hero ----------------------------------------------------------------------*/
.hero {
  position: relative;
  padding: 96px 0 120px;
  color: var(--white);
  overflow: hidden;
  background: var(--gradient-graphite);
}
@media (min-width: 1024px) {
  .hero { padding: 128px 0 144px; }
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  mix-blend-mode: luminosity;
  pointer-events: none;
}
.hero-content { position: relative; max-width: 900px; }
.hero h1 {
  color: var(--white);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.02;
}
.hero h1 .highlight { color: var(--ilink-300); }
.hero p {
  margin-top: 28px;
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--graphite-200);
  max-width: 720px;
  line-height: 1.6;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(5, 106, 151, 0.18);
  border: 1px solid rgba(92, 159, 192, 0.35);
  color: var(--ilink-200);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 24px;
}
.hero-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ilink-300);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}
.hero-stats {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 720px;
}
@media (min-width: 768px) {
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
}
.hero-stat {
  border-left: 2px solid rgba(92, 159, 192, 0.7);
  padding-left: 16px;
}
.hero-stat-num { font-size: 24px; font-weight: 800; color: var(--white); }
.hero-stat-label { font-size: 12px; color: var(--graphite-300); margin-top: 4px; line-height: 1.4; }

/* Page hero (páginas internas) ---------------------------------------------*/
.page-hero {
  position: relative;
  padding: 96px 0 112px;
  color: var(--white);
  overflow: hidden;
  background: var(--gradient-graphite);
}
@media (min-width: 1024px) {
  .page-hero { padding: 128px 0 144px; }
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  mix-blend-mode: luminosity;
  pointer-events: none;
}
.page-hero-content { position: relative; max-width: 900px; }
.page-hero h1 {
  color: var(--white);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 800;
}
.page-hero p {
  margin-top: 24px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--graphite-200);
  max-width: 720px;
}

/* Lista de bullets ----------------------------------------------------------*/
.check-list { display: grid; gap: 12px; margin-top: 28px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--graphite-700);
}
.check-list .icon-check {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--ilink-500);
}
.check-list-cols { grid-template-columns: 1fr; }
@media (min-width: 640px) { .check-list-cols { grid-template-columns: 1fr 1fr; } }
.bg-dark .check-list li { color: rgba(255,255,255,0.95); }
.bg-dark .check-list .icon-check { color: var(--ilink-300); }
.bg-ilink .check-list li { color: rgba(255,255,255,0.95); }
.bg-ilink .check-list .icon-check { color: var(--ilink-300); }

/* Numbered cards (Como funciona) -------------------------------------------*/
.numbered-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.numbered-card .num {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--ilink-500);
  color: var(--white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-medium);
}
.numbered-card h3 {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--graphite-900);
}
.numbered-card p { margin-top: 8px; font-size: 14px; color: var(--graphite-600); }

/* Ícones (caixas de serviços) ----------------------------------------------*/
.icon-box {
  width: 48px; height: 48px;
  border-radius: 8px;
  background: var(--ilink-50);
  color: var(--ilink-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: background 0.2s, color 0.2s;
}
.card:hover .icon-box {
  background: var(--ilink-500);
  color: var(--white);
}
.icon-box svg { width: 24px; height: 24px; }
.icon-box-sm {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--ilink-50);
  color: var(--ilink-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-box-sm svg { width: 20px; height: 20px; }

/* Imagens com overlay -------------------------------------------------------*/
.image-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
  border: 1px solid var(--graphite-100);
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-frame-tall img { height: 460px; }
/* Em telas pequenas, mostra o mapa inteiro (sem corte das laterais pelo object-fit: cover) */
@media (max-width: 768px) {
  .image-frame-tall img { height: auto; object-fit: contain; }
}
.image-frame .overlay-bottom {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20,20,20,0.75) 0%, transparent 60%);
  pointer-events: none;
}
.image-frame .overlay-caption {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  color: var(--white);
}
.image-frame .overlay-caption .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ilink-200);
  margin-bottom: 8px;
}
.image-frame .overlay-caption .title {
  font-size: 20px;
  font-weight: 800;
}

/* Image grid (sobre) --------------------------------------------------------*/
.image-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.image-grid-2x2 .image-frame img { height: 240px; }
.image-grid-2x2 .image-frame:nth-child(2) { margin-top: 40px; }
.image-grid-2x2 .image-frame:nth-child(3) { margin-top: -24px; }
.image-grid-2x2 .image-frame:nth-child(4) { margin-top: 16px; }

/* Pill / quote callout ------------------------------------------------------*/
.quote-card {
  background: var(--ilink-50);
  border: 1px solid var(--ilink-100);
  border-radius: 16px;
  padding: 28px;
}
.quote-card .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ilink-700);
  margin-bottom: 12px;
}
.quote-card p {
  color: var(--graphite-800);
  line-height: 1.6;
}

/* Sticky sub-nav (soluções) -------------------------------------------------*/
.subnav {
  position: sticky;
  top: 80px;
  z-index: 30;
  background: var(--white);
  border-bottom: 1px solid var(--graphite-100);
}
.subnav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
}
.subnav a {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--graphite-600);
  padding: 8px 12px;
  border-radius: 6px;
}
.subnav a:hover { color: var(--ilink-700); background: var(--ilink-50); }

/* Formulários ---------------------------------------------------------------*/
.form {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--graphite-100);
  box-shadow: var(--shadow-medium);
  padding: 32px;
}
@media (min-width: 1024px) { .form { padding: 40px; } }
.form-dark {
  background: var(--white);
  color: var(--graphite-700);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-strong);
}
@media (min-width: 1024px) { .form-dark { padding: 36px; } }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media (min-width: 640px) { .form-row.cols-2 { grid-template-columns: 1fr 1fr; } }
.form-field { display: block; }
.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--graphite-700);
  margin-bottom: 8px;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--graphite-200);
  border-radius: 8px;
  background: var(--white);
  color: var(--graphite-800);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--ilink-500);
  box-shadow: 0 0 0 3px var(--ilink-100);
}
.form-field textarea { resize: vertical; min-height: 100px; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--graphite-600);
  line-height: 1.5;
}
.form-check input { margin-top: 4px; accent-color: var(--ilink-500); }
.form-success {
  margin-top: 20px;
  padding: 16px;
  background: var(--ilink-50);
  border: 1px solid var(--ilink-200);
  border-radius: 8px;
  color: var(--ilink-800);
  font-size: 14px;
  display: none;
  align-items: flex-start;
  gap: 8px;
}
.form-success.show { display: flex; }
.form-success svg { flex-shrink: 0; margin-top: 2px; }

/* Footer --------------------------------------------------------------------*/
.site-footer {
  background: var(--graphite-900);
  color: var(--graphite-200);
}
.footer-cta {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-cta .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  padding: 64px 24px;
}
@media (min-width: 1024px) {
  .footer-cta .container { grid-template-columns: 1fr 1fr; padding: 80px 40px; gap: 40px; }
}
.footer-cta h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--white);
}
.footer-cta p { margin-top: 16px; color: var(--graphite-300); max-width: 600px; }
.footer-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
@media (min-width: 1024px) { .footer-cta-actions { justify-content: flex-end; } }

.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 56px 24px;
}
@media (min-width: 768px) { .footer-main { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 56px 40px;
  }
}
.footer-brand img { height: 48px; }
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--graphite-300);
  line-height: 1.6;
  max-width: 480px;
}
.footer-contact { margin-top: 24px; display: grid; gap: 8px; font-size: 14px; }
.footer-contact span { display: flex; align-items: center; gap: 8px; color: var(--graphite-300); }
.footer-contact svg { width: 16px; height: 16px; color: var(--ilink-300); flex-shrink: 0; }

.footer-col h4 {
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 8px; font-size: 14px; }
.footer-col ul a { color: var(--graphite-300); }
.footer-col ul a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px;
  font-size: 12px;
  color: var(--graphite-400);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; padding: 24px 40px; text-align: left; }
}

/* Utilitários ---------------------------------------------------------------*/
.text-center { text-align: center; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.max-w-3xl { max-width: 768px; }
.max-w-4xl { max-width: 896px; }
.mx-auto { margin-left: auto; margin-right: auto; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--graphite-200), transparent);
  width: 100%;
}

.scroll-mt { scroll-margin-top: 100px; }

/* Inline SVG icon helpers ---------------------------------------------------*/
.icon { width: 24px; height: 24px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 20px; height: 20px; }
.icon-xs { width: 16px; height: 16px; }
.icon-lg { width: 28px; height: 28px; }

/* Quote dark variant --------------------------------------------------------*/
.quote-dark {
  background: var(--graphite-900);
  color: var(--white);
  border-radius: 16px;
  padding: 28px;
}
.quote-dark .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ilink-300);
  margin-bottom: 12px;
}

/* Borda decorativa do disclaimer (garantia) ---------------------------------*/
.callout {
  border-left: 4px solid var(--ilink-500);
  background: rgba(234, 246, 252, 0.6);
  border-radius: 0 16px 16px 0;
  padding: 28px;
}
.callout h3 { font-size: 18px; }
.callout p { margin-top: 12px; color: var(--graphite-700); line-height: 1.6; }

/* Brand bar (autoridade) ----------------------------------------------------*/
.brand-bar {
  background: var(--graphite-50);
  border-top: 1px solid var(--graphite-100);
  border-bottom: 1px solid var(--graphite-100);
  padding: 40px 0;
}
.brand-bar-title {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--graphite-500);
  margin-bottom: 24px;
}
.brand-bar-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 40px;
  color: var(--graphite-700);
}
.brand-bar-items span {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Solution section alternating ---------------------------------------------*/
.solution-section { padding: 80px 0; scroll-margin-top: 140px; }
.solution-section:nth-of-type(even) { background: var(--graphite-50); }
.solution-section .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 1024px) {
  .solution-section .container { grid-template-columns: 1fr 1fr; }
  .solution-section.reverse .col-text { order: 2; }
  .solution-section.reverse .col-image { order: 1; }
}
.solution-section .icon-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.solution-section .icon-tag .icon-box-sm {
  background: var(--ilink-500);
  color: var(--white);
}

/* Timeline (como funciona) -------------------------------------------------*/
.timeline { position: relative; }
.timeline-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}
@media (min-width: 1024px) {
  .timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--ilink-200), var(--ilink-300), var(--ilink-200));
  }
  .timeline-item { flex-direction: row; padding-left: 80px; gap: 32px; }
}
.timeline-num {
  display: none;
  position: absolute;
  left: 0; top: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--ilink-500);
  color: var(--ilink-600);
  font-weight: 800;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-medium);
  transition: background 0.2s, color 0.2s;
}
@media (min-width: 1024px) { .timeline-num { display: flex; } }
.timeline-item:hover .timeline-num { background: var(--ilink-500); color: var(--white); }
.timeline-card {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.timeline-card-mobile-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ilink-500);
  color: var(--white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
@media (min-width: 1024px) { .timeline-card-mobile-num { display: none; } }

/* Definition list (resultados práticos) ------------------------------------*/
.def-list { display: grid; gap: 16px; margin-top: 28px; }
.def-list li { display: flex; align-items: flex-start; gap: 12px; }
.def-list li svg { flex-shrink: 0; margin-top: 4px; color: var(--ilink-500); }
.def-list .term { font-weight: 700; color: var(--graphite-900); }
.def-list .desc { font-size: 14px; color: var(--graphite-600); }

/* Contato (padrão SIATEL) --------------------------------------------------*/
.contact-strip {
  background: var(--ilink-700);
  color: var(--white);
  padding: 24px 0;
  border-top: 4px solid var(--ilink-500);
}
.contact-strip .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
}
@media (min-width: 768px) {
  .contact-strip .container {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}
.contact-strip-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-strip-item .ico {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-strip-item .ico svg {
  width: 22px; height: 22px;
  stroke: #fff; fill: none; stroke-width: 1.6;
}
.contact-strip-item .lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.7);
}
.contact-strip-item .val {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-top: 2px;
}
.contact-strip-item a { color: inherit; }
.contact-strip-item a:hover { color: var(--ilink-200); }

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) { .contact-cards { grid-template-columns: 1fr 1fr; } }
.contact-card {
  background: var(--white);
  border: 1px solid var(--graphite-100);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.2s;
}
.contact-card:hover { box-shadow: var(--shadow-medium); border-color: var(--ilink-200); }
.contact-card .ico {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--ilink-50);
  color: var(--ilink-600);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-card .ico svg { width: 24px; height: 24px; }
.contact-card .lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ilink-700);
  margin-bottom: 4px;
}
.contact-card .val {
  font-size: 16px;
  font-weight: 700;
  color: var(--graphite-900);
  line-height: 1.4;
}
.contact-card .sub {
  font-size: 13px;
  color: var(--graphite-600);
  margin-top: 4px;
}
.contact-card a { color: inherit; }
.contact-card a:hover { color: var(--ilink-600); }

.contact-form-wrap {
  background: var(--white);
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--graphite-100);
}
@media (min-width: 1024px) { .contact-form-wrap { padding: 48px; } }
.contact-form-wrap h2 { font-size: clamp(24px, 3vw, 32px); }

.map-frame {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--graphite-100);
  background: var(--graphite-100);
  aspect-ratio: 16/9;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* 404 -----------------------------------------------------------------------*/
.notfound {
  padding: 120px 0;
  text-align: center;
}
.notfound .code {
  font-size: 96px;
  font-weight: 800;
  color: var(--ilink-500);
  line-height: 1;
  margin-bottom: 16px;
}

/* Spacing helpers para o main ---------------------------------------------*/
main { padding-top: 80px; min-height: calc(100vh - 200px); }