/* ============================================
   DNV Engenharia — Estilos do site institucional
   Cores da marca (Manual da Marca):
   Primária:      #276955
   Secundária:    #41A58D
   Complementar:  #69273B (uso pontual)
   ============================================ */

:root {
  --primary: #276955;
  --primary-dark: #1c4d3f;
  --secondary: #41A58D;
  --accent: #69273B;
  --ink: #1b1f1e;
  --ink-soft: #4a5550;
  --bg: #ffffff;
  --bg-soft: #f5f8f7;
  --border: #e2e8e5;
  --max-width: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Jost', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .6em;
  color: var(--primary-dark);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--secondary); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: 'Jost', sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: .8em;
}

.script-tag {
  font-family: 'Alex Brush', cursive;
  font-size: 1.4rem;
  color: var(--primary);
  line-height: 1;
}
.script-tag.on-dark { color: #ffffff; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .85em 1.7em;
  border-radius: 999px;
  font-family: 'Jost', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(39,105,85,.55);
}
.btn-primary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.65);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-outline.dark { border-color: var(--primary); color: var(--primary); }
.btn-outline.dark:hover { background: var(--primary); color: #fff; }

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 24px;
}
.brand { display: flex; align-items: center; }
.brand img { height: 88px; width: auto; }
@media (max-width: 860px) {
  .brand img { height: 68px; }
}
nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2.1rem;
  margin: 0;
  padding: 0;
}
nav.main-nav a {
  color: var(--ink);
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  font-size: .95rem;
}
nav.main-nav a:hover { color: var(--secondary); }
.header-cta { display: flex; align-items: center; gap: 1.4rem; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  nav.main-nav { display: none; }
  .nav-toggle {
    display: inline-flex;
    background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 6px;
  }
  .nav-toggle span { width: 24px; height: 2px; background: var(--primary-dark); border-radius: 2px; }
  nav.main-nav.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 1rem 24px 1.5rem;
  }
  nav.main-nav.open ul { flex-direction: column; gap: 1rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  color: #fff;
  background: linear-gradient(120deg, rgba(20,38,32,.92), rgba(39,105,85,.72)),
              url('../img/hero.jpg') center/cover no-repeat;
}
.hero-inner { max-width: 640px; padding: 90px 0; }
.hero .eyebrow { color: #bfe6d9; }
.hero h1 { color: #fff; }
.hero p.lead { color: rgba(255,255,255,.88); font-size: 1.1rem; max-width: 520px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.8rem; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--primary-dark);
  color: #fff;
  padding: 20px 0;
}
.trust-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}
.trust-strip .item { font-family: 'Jost', sans-serif; font-size: .88rem; line-height: 1.35; }
.trust-strip .item strong { display: block; color: var(--secondary); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .3em; }
@media (max-width: 760px) {
  .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Section basics ---------- */
section { padding: 92px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section-head.left { margin: 0 0 3rem; text-align: left; }

/* ---------- Sobre ---------- */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.sobre-grid img { border-radius: var(--radius); box-shadow: 0 24px 48px -24px rgba(20,40,34,.35); }
.sobre-highlight {
  margin-top: 1.6rem;
  padding: 1.1rem 1.4rem;
  background: #fff;
  border-left: 4px solid var(--secondary);
  border-radius: 8px;
  font-family: 'Jost', sans-serif;
  color: var(--primary-dark);
  font-size: 1.02rem;
}
@media (max-width: 860px) {
  .sobre-grid { grid-template-columns: 1fr; }
}

/* ---------- Serviços ---------- */
.servicos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.servico-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.servico-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -22px rgba(20,40,34,.28);
  border-color: transparent;
}
.servico-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(65,165,141,.14);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
  color: var(--primary);
}
.servico-icon svg { width: 26px; height: 26px; }
.servico-card h3 { margin-bottom: .5em; color: var(--primary-dark); }
.servico-card p { margin: 0; font-size: .95rem; }

@media (max-width: 960px) {
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .servicos-grid { grid-template-columns: 1fr; }
}

/* ---------- Faixa de fotos ---------- */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.photo-strip img { height: 190px; width: 100%; object-fit: cover; }
@media (max-width: 760px) {
  .photo-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- NR-01 destaque ---------- */
.nr01 {
  position: relative;
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0;
  background: linear-gradient(120deg, rgba(10,25,30,.6), rgba(18,59,58,.55)),
              url('../img/nr01-bg.svg') center/cover no-repeat;
}
.nr01 .eyebrow { color: #bfe6d9; }
.nr01 h2 { color: #fff; }
.nr01 > .container > p.lead { max-width: 720px; color: rgba(255,255,255,.9); font-size: 1.1rem; }
.nr01-body {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  margin-top: 2.6rem;
  align-items: start;
}
.nr01-text p { color: rgba(255,255,255,.86); font-size: .98rem; margin-bottom: 1.1rem; }
.nr01-text h3 {
  color: #fff; font-size: 1.15rem; margin: 1.6rem 0 .7rem;
}
.nr01-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
  margin: 1.4rem 0 0;
}
.nr01-fact {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.nr01-fact strong { display: block; color: #fff; font-family: 'Jost', sans-serif; font-size: 1.5rem; }
.nr01-fact span { color: rgba(255,255,255,.78); font-size: .85rem; }
.nr01-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
.nr01-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem;
  backdrop-filter: blur(4px);
}
.nr01-card h3 { color: #fff; font-size: 1.05rem; margin: 0 0 .4rem; }
.nr01-card p { color: rgba(255,255,255,.82); font-size: .92rem; margin: 0; }
@media (max-width: 860px) {
  .nr01 { padding: 80px 0; min-height: 0; }
  .nr01-body { grid-template-columns: 1fr; gap: 2rem; }
  .nr01-facts { grid-template-columns: 1fr 1fr; }
}

/* ---------- Atuação ---------- */
.atuacao-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.atuacao-grid img { border-radius: var(--radius); }
.atuacao-list { list-style: none; padding: 0; margin: 1.4rem 0 0; }
.atuacao-list li {
  display: flex; gap: .7rem; align-items: flex-start;
  margin-bottom: .9rem; font-family: 'Jost', sans-serif; color: var(--ink-soft);
}
.atuacao-list li svg { flex: none; width: 20px; height: 20px; color: var(--secondary); margin-top: 2px; }
@media (max-width: 860px) {
  .atuacao-grid { grid-template-columns: 1fr; }
  .atuacao-grid .img-col { order: -1; }
}

/* ---------- Contato ---------- */
.contato {
  background: var(--primary-dark);
  color: #fff;
}
.contato .eyebrow { color: #bfe6d9; }
.contato h2 { color: #fff; }
.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
}
.contact-channels { list-style: none; margin: 1.6rem 0 0; padding: 0; }
.contact-channels li {
  display: flex; align-items: center; gap: .9rem;
  padding: .9rem 0; border-bottom: 1px solid rgba(255,255,255,.14);
}
.contact-channels li:last-child { border-bottom: none; }
.contact-channels a { color: #fff; font-family: 'Jost', sans-serif; }
.contact-channels a:hover { color: var(--secondary); }
.channel-icon {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(65,165,141,.22);
  display: flex; align-items: center; justify-content: center;
  color: #bfe6d9; flex: none;
}
.channel-icon svg { width: 20px; height: 20px; }

form.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  color: var(--ink);
}
form.contact-form label {
  display: block; font-family: 'Jost', sans-serif; font-size: .85rem;
  font-weight: 600; margin-bottom: .35rem; color: var(--primary-dark);
}
form.contact-form input,
form.contact-form textarea {
  width: 100%; padding: .75rem .9rem; margin-bottom: 1.1rem;
  border: 1px solid var(--border); border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: .95rem;
}
form.contact-form textarea { min-height: 110px; resize: vertical; }
form.contact-form button { width: 100%; justify-content: center; }
.form-note { font-size: .78rem; color: var(--ink-soft); margin-top: .6rem; }

@media (max-width: 860px) {
  .contato-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: #0f2620;
  color: rgba(255,255,255,.7);
  padding: 3.5rem 0 2rem;
}
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 2rem; padding-bottom: 2.2rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-top img { height: 54px; margin-bottom: .8rem; }
.footer-social { display: flex; gap: .9rem; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.footer-social a:hover { background: var(--secondary); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .8rem;
  padding-top: 1.4rem; font-size: .82rem;
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}
.blog-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -22px rgba(20,40,34,.28); }
.blog-card .thumb {
  height: 190px; display: flex; align-items: center; justify-content: center;
  color: #fff; text-align: center; padding: 1.2rem;
}
.blog-card .thumb span { font-family: 'Jost', sans-serif; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; opacity: .85; }
.thumb-altura { background: linear-gradient(135deg, var(--primary-dark), var(--secondary)); }
.thumb-quimicos { background: linear-gradient(135deg, #3a2338, var(--accent)); }
.thumb-nr01 { background: linear-gradient(135deg, #0d2230, #1c4d3f); }
.blog-card .body { padding: 1.5rem 1.5rem 1.8rem; display: flex; flex-direction: column; flex: 1; }
.blog-card .meta { font-family: 'Jost', sans-serif; font-size: .78rem; color: var(--secondary); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .5rem; }
.blog-card h3 { margin-bottom: .5rem; }
.blog-card p { font-size: .95rem; flex: 1; }
.blog-card .read-more { font-family: 'Jost', sans-serif; font-weight: 600; font-size: .9rem; margin-top: .8rem; }

.article-hero {
  padding: 60px 0 40px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.article-hero .meta { font-family: 'Jost', sans-serif; color: var(--secondary); text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; margin-bottom: .8rem; }
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 30px;
}
.article-body h2 { margin-top: 1.8em; }
.article-body h3 { margin-top: 1.4em; color: var(--primary); }
.article-body ul, .article-body ol { color: var(--ink-soft); padding-left: 1.3em; }
.article-body li { margin-bottom: .5em; }
.article-body blockquote {
  margin: 1.8em 0; padding: 1rem 1.4rem;
  border-left: 4px solid var(--secondary);
  background: var(--bg-soft); border-radius: 8px;
  font-family: 'Jost', sans-serif; color: var(--primary-dark);
}
.article-cta {
  max-width: 760px; margin: 2.4rem auto 0; padding: 24px 24px 0;
  border-top: 1px solid var(--border);
}

.vote-widget {
  max-width: 760px; margin: 0 auto; padding: 0 24px 10px;
  display: flex; align-items: center; gap: 1rem;
}
.vote-widget .vote-label { font-family: 'Jost', sans-serif; font-size: .85rem; color: var(--ink-soft); margin-right: .3rem; }
.vote-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem 1rem; border-radius: 999px;
  border: 1px solid var(--border); background: #fff;
  font-family: 'Jost', sans-serif; font-weight: 600; font-size: .9rem;
  color: var(--ink-soft); cursor: pointer; transition: all .15s ease;
}
.vote-btn svg { width: 18px; height: 18px; }
.vote-btn:hover { border-color: var(--secondary); color: var(--primary); }
.vote-btn.active { background: var(--secondary); border-color: var(--secondary); color: #fff; }
.vote-note { font-size: .78rem; color: #9aa6a1; padding: 0 24px 40px; max-width: 760px; margin: 0 auto; }

@media (max-width: 760px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ---------- WhatsApp floating button ---------- */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,.4);
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { color: #fff; transform: scale(1.06); }