/* =============================================
   N7N Usinagem — CSS
   Paleta: #1A2E44 | #E8610A | #8A9BB0 | #F8F9FA
   ============================================= */

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

:root {
  --primary:    #1A2E44;
  --accent:     #E8610A;
  --gray:       #8A9BB0;
  --light:      #F8F9FA;
  --white:      #ffffff;
  --dark-bg:    #111C27;
  --text:       #2D3748;
  --text-light: #4A5568;
  --border:     #E2E8F0;

  --font-heading: 'Rajdhani', sans-serif;
  --font-body:    'Source Sans 3', sans-serif;

  --radius: 8px;
  --shadow: 0 4px 24px rgba(26,46,68,.10);
  --shadow-lg: 0 8px 40px rgba(26,46,68,.18);
  --transition: .25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- Container ---- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .5px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--primary:hover {
  background: #c9520a;
  border-color: #c9520a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,97,10,.35);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.45);
}
.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}
.btn--full { width: 100%; justify-content: center; }

/* ---- Seções ---- */
.section { padding: 88px 0; }
.section--dark { background: var(--dark-bg); }
.section--gray { background: var(--light); }

.section__header { text-align: center; margin-bottom: 56px; }
.section__header--light .section__title { color: var(--white); }
.section__header--light .section__tag { color: var(--accent); }

.section__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 16px;
  text-align: center;
}
.section__sub {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.header.scrolled {
  background: var(--primary);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo__n7n {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}
.logo__text {
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  line-height: 1.2;
  max-width: 110px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  letter-spacing: .5px;
  transition: color var(--transition);
}
.nav a:hover { color: var(--accent); }
.nav__cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius);
}
.nav__cta:hover { background: #c9520a; color: var(--white) !important; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,46,68,.97) 0%, rgba(17,28,39,.92) 60%, rgba(26,46,68,.85) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect width="60" height="60" fill="%231A2E44"/><circle cx="30" cy="30" r="1.5" fill="%238A9BB0" opacity=".3"/><circle cx="0" cy="0" r="1.5" fill="%238A9BB0" opacity=".3"/><circle cx="60" cy="60" r="1.5" fill="%238A9BB0" opacity=".3"/><circle cx="60" cy="0" r="1.5" fill="%238A9BB0" opacity=".3"/><circle cx="0" cy="60" r="1.5" fill="%238A9BB0" opacity=".3"/></svg>');
  background-size: cover, 60px 60px;
}
/* Gear decorativo */
.hero__bg::after {
  content: '';
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 2px solid rgba(232,97,10,.12);
  box-shadow:
    inset 0 0 0 40px rgba(232,97,10,.04),
    0 0 0 80px rgba(232,97,10,.03),
    0 0 0 160px rgba(232,97,10,.02);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding-top: 80px;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero__tag::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 24px;
  color: var(--white);
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__badges {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero__badges span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
}
.hero__badges i { color: var(--accent); }

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.4);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   SERVIÇOS
   ============================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  border-top: 3px solid transparent;
}
.service-card:hover {
  border-top-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(232,97,10,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--accent);
  transition: var(--transition);
}
.service-card:hover .service-card__icon {
  background: var(--accent);
  color: var(--white);
}
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-light);
  font-size: .95rem;
  line-height: 1.6;
}

/* =============================================
   DIFERENCIAIS
   ============================================= */
.diffs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.diff-item {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  transition: var(--transition);
}
.diff-item:hover {
  background: rgba(232,97,10,.08);
  border-color: rgba(232,97,10,.3);
}
.diff-item__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(232,97,10,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--accent);
}
.diff-item h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.diff-item p {
  color: var(--gray);
  font-size: .93rem;
  line-height: 1.6;
}

/* =============================================
   CAPACIDADE TÉCNICA
   ============================================= */
.capacity__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.capacity__materials h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 28px;
}
.materials-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.materials-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 1rem;
}
.materials-list i { color: var(--accent); font-size: .9rem; }

.capacity__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.spec-card {
  background: var(--primary);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  color: var(--white);
  border-bottom: 3px solid var(--accent);
}
.spec-card__number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}
.spec-card__label {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  line-height: 1.3;
}

/* =============================================
   SETORES
   ============================================= */
.sectors__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.sector-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.sector-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.sector-item__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  transition: var(--transition);
}
.sector-item:hover .sector-item__icon {
  background: var(--accent);
  color: var(--white);
}
.sector-item span {
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
}

/* =============================================
   SOBRE NÓS
   ============================================= */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__image-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary), #243b55);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,.3);
  font-size: .9rem;
  border: 2px dashed rgba(255,255,255,.12);
}
.about__image-placeholder i {
  font-size: 3.5rem;
  color: var(--accent);
  opacity: .5;
}
.about__content .section__tag { margin-bottom: 8px; }
.about__content p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
}
.about__content p:last-of-type { margin-bottom: 32px; }
.about__stats {
  display: flex;
  gap: 32px;
}
.about__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about__stat strong {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.about__stat span {
  font-size: .85rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =============================================
   ORÇAMENTO
   ============================================= */
.quote__layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: start;
}
.quote__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form__group label {
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  letter-spacing: .3px;
}
.form__group input,
.form__group textarea {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form__group input::placeholder,
.form__group textarea::placeholder {
  color: rgba(255,255,255,.3);
}
.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,.09);
}
.form__group textarea { resize: vertical; }

.file-upload {
  position: relative;
  border: 2px dashed rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  color: rgba(255,255,255,.5);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
}
.file-upload:hover { border-color: var(--accent); color: rgba(255,255,255,.8); }
.file-upload i { font-size: 1.8rem; color: var(--accent); }
.file-upload input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100% !important;
  height: 100% !important;
}
.file-name {
  font-size: .85rem;
  color: var(--accent);
  min-height: 18px;
}
.form__note {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
  text-align: center;
}

/* Contato lateral */
.quote__contact {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.quote__contact h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  color: rgba(255,255,255,.75);
  font-size: .95rem;
}
.contact-item i {
  font-size: 1.3rem;
  color: var(--accent);
  margin-top: 3px;
  min-width: 20px;
  text-align: center;
}
.contact-item div { display: flex; flex-direction: column; gap: 4px; }
.contact-item strong { color: var(--white); font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; }
.contact-item a { color: var(--accent); }
.contact-item a:hover { text-decoration: underline; }
.map__wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  margin-top: 8px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,.6);
  padding-top: 64px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand .logo__n7n { font-size: 1.5rem; }
.footer__brand .logo__text { font-size: .8rem; }
.footer__brand p {
  margin-top: 16px;
  font-size: .9rem;
  line-height: 1.6;
  color: rgba(255,255,255,.45);
}
.footer__links h4,
.footer__info h4 {
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 20px;
}
.footer__links ul,
.footer__info ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a:hover { color: var(--accent); }
.footer__info li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
}
.footer__info i { color: var(--accent); margin-top: 3px; }
.footer__info a { color: rgba(255,255,255,.6); }
.footer__info a:hover { color: var(--accent); }
.footer__cnpj {
  margin-top: 16px;
  font-size: .78rem;
  color: rgba(255,255,255,.3);
}
.footer__bottom {
  padding: 20px 0;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.3);
}

/* =============================================
   WHATSAPP FLUTUANTE
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: var(--transition);
  animation: pulse-wa 2.5s infinite;
}
.whatsapp-float:hover {
  background: #1da851;
  transform: scale(1.1);
}
@keyframes pulse-wa {
  0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
  50% { box-shadow: 0 4px 28px rgba(37,211,102,.7), 0 0 0 8px rgba(37,211,102,.12); }
}

/* =============================================
   RESPONSIVO
   ============================================= */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .diffs__grid { grid-template-columns: repeat(2, 1fr); }
  .sectors__grid { grid-template-columns: repeat(3, 1fr); }
  .capacity__layout { grid-template-columns: 1fr; gap: 40px; }
  .capacity__specs { grid-template-columns: repeat(4, 1fr); }
  .about__layout { grid-template-columns: 1fr; gap: 40px; }
  .about__image { order: -1; }
  .about__image-placeholder { max-height: 300px; }
  .quote__layout { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--primary); padding: 24px; gap: 20px; }
  .nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .services__grid { grid-template-columns: 1fr; }
  .diffs__grid { grid-template-columns: 1fr; }
  .sectors__grid { grid-template-columns: repeat(2, 1fr); }
  .capacity__specs { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__badges { gap: 16px; flex-direction: column; }
  .about__stats { gap: 24px; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .sectors__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__title { font-size: 2.4rem; }
}