/* =============================================================
   N3W Soluções Industriais — Site Institucional
   Identidade industrial limpa, paleta de marca, mobile-first
   ============================================================= */

/* ---------- Reset / base ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Paleta */
  --blue:        #1B5CB0;
  --green:       #72C91B;
  --night:       #0F2542;
  --dark-gray:   #4A4F54;
  --text-gray:   #555A60;
  --soft-line:   #E2E6EA;
  --light-bg:    #F5F7FA;
  --white:       #FFFFFF;
  --green-dark:  #5BA614;
  --blue-dark:   #154A8A;

  /* Gradientes */
  --grad-brand:  linear-gradient(90deg, #1B5CB0 0%, #72C91B 100%);
  --grad-night:  linear-gradient(135deg, #0F2542 0%, #1B5CB0 100%);

  /* Fontes */
  --font-title:  'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-body:   'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  /* Espaçamentos */
  --container:   1200px;
  --gutter:      24px;
  --radius:      14px;
  --radius-sm:   8px;

  /* Sombra */
  --shadow-sm:   0 2px 8px rgba(15, 37, 66, 0.06);
  --shadow-md:   0 8px 24px rgba(15, 37, 66, 0.10);
  --shadow-lg:   0 16px 40px rgba(15, 37, 66, 0.16);

  /* Easings */
  --ease:        cubic-bezier(.22, .61, .36, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-gray);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--night);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw + 0.5rem, 4.4rem); }
h2 { font-size: clamp(1.8rem, 2.5vw + 0.6rem, 2.6rem); }
h3 { font-size: clamp(1.2rem, 1vw + 0.7rem, 1.4rem); }
p  { margin-bottom: 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.eyebrow.on-dark { color: var(--green); }

/* Linha verde decorativa abaixo do título de seção */
.title-rule {
  width: 56px;
  height: 4px;
  background: var(--green);
  border-radius: 2px;
  margin-top: 18px;
  margin-bottom: 32px;
}

.title-rule.center { margin-left: auto; margin-right: auto; }

section { padding: 96px 0; position: relative; }
section.compact { padding: 72px 0; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background-color .25s var(--ease),
              box-shadow .25s var(--ease),
              padding .25s var(--ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  height: 40px;
  width: auto;
  transition: filter .25s var(--ease);
}

/* Logo branco no header transparente sobre o hero */
.site-header:not(.scrolled) .brand img {
  filter: brightness(0) invert(1);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  position: relative;
  padding: 6px 2px;
  transition: color .2s var(--ease);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}

.nav a:hover::after { transform: scaleX(1); }
.site-header.scrolled .nav a { color: var(--night); }

/* CTA principal no header */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(114, 201, 27, 0.35);
}

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(114, 201, 27, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

.btn-blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(27, 92, 176, 0.30);
}
.btn-blue:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--blue);
  font-weight: 700;
}
.btn-ghost:hover { color: var(--blue-dark); }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--white);
  position: relative;
  transition: background-color .2s var(--ease);
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px; height: 2px;
  background: var(--white);
  transition: transform .25s var(--ease), top .25s var(--ease);
}
.menu-toggle span::before { top: -7px; }
.menu-toggle span::after  { top:  7px; }

.site-header.scrolled .menu-toggle span,
.site-header.scrolled .menu-toggle span::before,
.site-header.scrolled .menu-toggle span::after { background: var(--night); }

body.menu-open .menu-toggle span { background: transparent !important; }
body.menu-open .menu-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .menu-toggle span::after  { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  background: var(--grad-night);
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}

/* Faixa lateral verde */
.hero::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 6px;
  background: var(--green);
  z-index: 2;
}

/* Padrão técnico decorativo */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(114,201,27,0.18) 0, transparent 50%),
    radial-gradient(circle at 95% 80%, rgba(27,92,176,0.4) 0, transparent 50%),
    linear-gradient(45deg, transparent 49%, rgba(255,255,255,.04) 49.5%, rgba(255,255,255,.04) 50.5%, transparent 51%),
    linear-gradient(-45deg, transparent 49%, rgba(255,255,255,.04) 49.5%, rgba(255,255,255,.04) 50.5%, transparent 51%);
  background-size: auto, auto, 28px 28px, 28px 28px;
  opacity: .9;
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content .eyebrow { color: var(--green); }
.hero-content h1 {
  color: var(--white);
  margin-bottom: 22px;
}
.hero-content .tagline {
  font-size: clamp(1.05rem, 1vw + 0.7rem, 1.35rem);
  color: rgba(255,255,255,0.92);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-chips {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
}
.hero-chips span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-chips span::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
}

/* Card visual no hero */
.hero-card {
  position: relative;
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: var(--grad-brand);
}

.hero-card img {
  margin: 16px auto 24px;
  max-height: 220px;
  width: auto;
}

.hero-card h3 {
  text-align: center;
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--night);
}

.hero-card p {
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-gray);
  margin-bottom: 0;
}

/* ---------- Quem Somos ---------- */
.about {
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text p {
  font-size: 1.05rem;
  margin-bottom: 1.2em;
}
.about-text strong { color: var(--night); }

.about-card {
  background: var(--night);
  color: var(--white);
  padding: 36px 32px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--grad-brand);
}

.about-card .eyebrow { color: var(--green); margin-bottom: 18px; }

.about-card blockquote {
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--white);
  margin-bottom: 24px;
}

.about-card .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.about-card .tag-row span {
  background: var(--blue);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- Problemas (3 cards) ---------- */
.problems {
  background: var(--light-bg);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.problem-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: var(--shadow-sm);
}
.problem-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.problem-card.c1::before { background: var(--blue); }
.problem-card.c2::before { background: var(--dark-gray); }
.problem-card.c3::before { background: var(--green); }

.problem-card .num {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 18px;
}
.problem-card.c1 .num { color: var(--blue); }
.problem-card.c2 .num { color: var(--dark-gray); }
.problem-card.c3 .num { color: var(--green); }

.problem-card h3 { margin-bottom: 14px; font-size: 1.1rem; }
.problem-card p  { font-size: 0.95rem; line-height: 1.6; margin-bottom: 0; }

/* ---------- Solução (fluxo + bullets) ---------- */
.solution { background: var(--white); }

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  max-width: 940px;
  margin: 16px auto 56px;
}

.flow-box {
  text-align: center;
  padding: 26px 18px;
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.flow-box.gray  { background: var(--dark-gray); }
.flow-box.blue  { background: var(--blue); font-size: 1.4rem; padding: 36px 18px; box-shadow: 0 12px 30px rgba(27,92,176,0.35); }
.flow-box.green { background: var(--green); }

.flow-arrow {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}
.flow-arrow svg { width: 100%; height: 100%; }

@keyframes pulse {
  0%, 100% { transform: translateX(0); opacity: .85; }
  50%      { transform: translateX(4px); opacity: 1; }
}

.bullets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 36px;
  max-width: 980px;
  margin: 0 auto;
  list-style: none;
}

.bullets li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--night);
  font-weight: 500;
  line-height: 1.5;
}

.bullets .check {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* ---------- Portfólio (fundo escuro) ---------- */
.portfolio {
  background: var(--night);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.portfolio::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(114,201,27,0.10) 0, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(27,92,176,0.30) 0, transparent 40%);
}
.portfolio > .container { position: relative; z-index: 1; }
.portfolio h2 { color: var(--white); }
.portfolio .eyebrow { color: var(--green); }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.cat-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 32px 24px 24px;
  text-align: center;
  position: relative;
  transition: transform .3s var(--ease),
              border-color .3s var(--ease),
              box-shadow .3s var(--ease),
              background-color .3s var(--ease);
  overflow: hidden;
}

.cat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1.5px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.cat-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 18px 40px rgba(114,201,27,0.18);
}
.cat-card:hover::before { opacity: 1; }

.cat-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: 0.02em;
}
.cat-card:nth-child(1) .cat-icon { background: var(--blue); }
.cat-card:nth-child(2) .cat-icon { background: var(--dark-gray); }
.cat-card:nth-child(3) .cat-icon { background: var(--green); }
.cat-card:nth-child(4) .cat-icon { background: linear-gradient(135deg, var(--night), var(--blue)); border: 1px solid rgba(255,255,255,0.2); }

.cat-card h3 { color: var(--white); margin-bottom: 14px; font-size: 1.15rem; }

.cat-card .divider {
  width: 36px; height: 2px;
  margin: 0 auto 16px;
  border-radius: 2px;
}
.cat-card:nth-child(1) .divider { background: var(--blue); }
.cat-card:nth-child(2) .divider { background: var(--dark-gray); }
.cat-card:nth-child(3) .divider { background: var(--green); }
.cat-card:nth-child(4) .divider { background: var(--blue); }

.cat-card ul {
  list-style: none;
  padding: 0;
  text-align: center;
}
.cat-card ul li {
  font-size: 0.9rem;
  padding: 6px 0;
  color: rgba(255,255,255,0.85);
}

.standards-bar {
  margin-top: 48px;
  padding: 18px 24px;
  background: var(--green);
  color: var(--night);
  font-weight: 700;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.portfolio .cta-row {
  margin-top: 36px;
  text-align: center;
}

/* ---------- Por que a N3W (tabela) ---------- */
.why { background: var(--white); }

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 16px;
  font-size: 0.95rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compare-table thead th {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  padding: 18px 22px;
  text-align: left;
  color: var(--white);
}

.compare-table thead th:first-child { background: var(--night); width: 22%; }
.compare-table thead th:nth-child(2) { background: var(--blue); width: 39%; }
.compare-table thead th:last-child   { background: var(--dark-gray); width: 39%; }

.compare-table tbody td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--soft-line);
  vertical-align: middle;
}
.compare-table tbody tr:last-child td { border-bottom: none; }

.compare-table tbody td:first-child {
  background: var(--light-bg);
  font-weight: 700;
  color: var(--night);
  font-family: var(--font-title);
}
.compare-table tbody td:nth-child(2) {
  color: var(--blue);
  font-weight: 600;
  position: relative;
}
.compare-table tbody td:nth-child(2)::before {
  content: '✓';
  display: inline-block;
  margin-right: 8px;
  color: var(--green);
  font-weight: 800;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.compare-table tbody tr:hover td:nth-child(2)::before {
  opacity: 1;
  transform: translateX(0);
}
.compare-table tbody tr:hover td { background: rgba(245,247,250,0.6); }

.compare-table tbody td:last-child {
  color: var(--text-gray);
}

/* ---------- Diferencial Técnico ---------- */
.tech-diff {
  background: var(--light-bg);
}

.quote-bar {
  background: var(--blue);
  color: var(--white);
  padding: 26px 32px;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 500;
  text-align: center;
  margin-top: 16px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.quote-bar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 5px;
  background: var(--green);
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tech-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--blue);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: var(--shadow-sm);
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tech-card.green  { border-left-color: var(--green); }
.tech-card.gray   { border-left-color: var(--dark-gray); }
.tech-card.night  { border-left-color: var(--night); }

.tech-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--blue);
}
.tech-card.green h3  { color: var(--green-dark); }
.tech-card.gray  h3  { color: var(--dark-gray); }
.tech-card.night h3  { color: var(--night); }

.tech-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
  color: var(--text-gray);
}

/* ---------- Contato / CTA Final ---------- */
.contact {
  background: var(--grad-night);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 90% 10%, rgba(114,201,27,0.16) 0, transparent 45%);
}
.contact > .container { position: relative; z-index: 1; }
.contact h2 { color: var(--white); }
.contact .eyebrow { color: var(--green); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  margin-top: 32px;
  align-items: start;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 36px;
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  background: rgba(255,255,255,0.10);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.field input::placeholder,
.field textarea::placeholder { color: rgba(255,255,255,0.45); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  background: rgba(255,255,255,0.14);
}

.field textarea { resize: vertical; min-height: 110px; }

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8' fill='none'><path d='M1 1l6 6 6-6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' opacity='0.7'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.field select option { color: var(--night); background: var(--white); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-status {
  margin-top: 14px;
  font-size: 0.92rem;
  min-height: 22px;
}
.form-status.success { color: var(--green); }
.form-status.error   { color: #FF8A80; }

.contact-info h3 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.info-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.info-list a, .info-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-sm);
  color: var(--white);
  transition: background-color .2s var(--ease), transform .2s var(--ease);
}
.info-list a:hover {
  background: rgba(255,255,255,0.12);
  transform: translateX(4px);
}
.info-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
}
.info-icon svg { width: 18px; height: 18px; }
.info-icon.blue { background: var(--blue); }

.info-text { display: flex; flex-direction: column; }
.info-text small {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
}
.info-text span { font-weight: 600; font-size: 1rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--night);
  color: rgba(255,255,255,0.78);
  padding: 64px 0 24px;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-brand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.footer-brand img {
  height: 44px;
  width: auto;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}
.footer-brand p { font-size: 0.92rem; max-width: 320px; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.78);
  transition: color .2s var(--ease);
}
.footer-col a:hover { color: var(--green); }

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* ---------- WhatsApp Float ---------- */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37,211,102,0.45);
  transition: transform .25s var(--ease);
}
.wa-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.55);
  animation: ring 1.6s ease-out infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

@keyframes ring {
  0%   { transform: scale(1);   opacity: .9; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Internal Pages (portfolio.html, contato.html) ---------- */
.page-header {
  background: var(--grad-night);
  color: var(--white);
  padding: 160px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 6px;
  background: var(--green);
}
.page-header h1 {
  color: var(--white);
  font-size: clamp(2rem, 3vw + 1rem, 3.2rem);
}
.page-header .eyebrow { color: var(--green); }
.page-header p {
  max-width: 660px;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-top: 16px;
}

.crumbs {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.crumbs a { color: var(--green); }
.crumbs a:hover { text-decoration: underline; }

/* Portfolio detail */
.cat-block {
  padding: 64px 0;
  border-bottom: 1px solid var(--soft-line);
}
.cat-block:last-child { border-bottom: none; }

.cat-block-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}
.cat-block-head .cat-icon-lg {
  width: 72px; height: 72px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.3rem;
}
.cat-block-head h2 { margin-bottom: 4px; }
.cat-block-head .lead { color: var(--text-gray); font-size: 1rem; margin: 0; }

.cat-block.blue  .cat-icon-lg { background: var(--blue); }
.cat-block.gray  .cat-icon-lg { background: var(--dark-gray); }
.cat-block.green .cat-icon-lg { background: var(--green); }
.cat-block.night .cat-icon-lg { background: var(--night); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.product-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  border: 1px solid var(--soft-line);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue);
}
.product-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--night);
}
.product-card .specs {
  font-size: 0.88rem;
  color: var(--text-gray);
  margin-bottom: 14px;
  flex-grow: 1;
}
.product-card .product-cta {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s var(--ease);
}
.product-card .product-cta::after {
  content: '→';
  transition: transform .2s var(--ease);
}
.product-card:hover .product-cta { gap: 10px; }
.product-card:hover .product-cta::after { transform: translateX(2px); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 380px; margin: 0 auto; }
  .tech-grid { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: 1fr; }
  .bullets { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  section { padding: 64px 0; }
  .hero { padding: 120px 0 64px; min-height: 86vh; }
  .nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(82vw, 320px);
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    z-index: 99;
  }
  body.menu-open .nav { transform: translateX(0); }
  body.menu-open { overflow: hidden; }
  .nav a { color: var(--night); font-size: 1.05rem; }
  .nav .btn { margin-top: 12px; }
  .menu-toggle { display: flex; }

  .field-row { grid-template-columns: 1fr; }

  .compare-table { font-size: 0.85rem; }
  .compare-table thead th,
  .compare-table tbody td { padding: 14px 14px; }

  .flow {
    grid-template-columns: 1fr;
  }
  .flow-arrow {
    transform: rotate(90deg);
    margin: 0 auto;
  }
  .flow-box.blue { font-size: 1.15rem; padding: 26px 14px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .wa-float { width: 52px; height: 52px; right: 16px; bottom: 16px; }
  .wa-float svg { width: 26px; height: 26px; }

  .page-header { padding: 130px 0 50px; }
}

@media (max-width: 460px) {
  .hero-ctas .btn { width: 100%; justify-content: center; }
}