:root {
  --color-primary: #c1272d;
  --color-primary-600: #c92f3a;
  --color-bg: #141D38;
  --color-surface: #221F3C;
  --color-text: #e7e9f3;
  --color-muted: #aab0c0;
  --color-white: #ffffff;

  --container: 1160px;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);

  --h1: clamp(2rem, 3.2vw + 1rem, 3.5rem);
  --h2: clamp(1.6rem, 2.4vw + 1rem, 2.5rem);
  --h3: clamp(1.25rem, 1.4vw + .9rem, 1.75rem);
  --gap: clamp(16px, 2.5vw, 28px);
}

* { box-sizing: border-box; }
html, body {
  min-height: 100%;
  font-size: 16px;
}
body {
  margin: 0;
  font-family: "Nunito Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

 .material-symbols-outlined {
   color: var(--color-primary);
   font-variation-settings:
     'FILL' 0,
     'wght' 400,
     'GRAD' 0,
     'opsz' 24
 }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Topbar */
.topbar {
  background: var(--color-bg);
  color: var(--color-muted);
  font-size: .95rem;
  height: 41px;
}
.topbar__content { display: flex; align-items: center; justify-content: flex-end; height: 41px; }

@media (max-width: 899px) {
  .topbar { display: none; }
}

.contact-list { list-style: none; display: flex; padding: 0; margin: 0; height: 100%; }
.contact-list li {
    display: inline-flex;
    text-align: center;
    border-left: 1px solid rgba(255,255,255,.3);
    padding-left: 20px;
    padding-right: 20px;

    &:last-child {
        border-right: 1px solid rgba(255,255,255,.3);
    }
}
.contact-list a { display: inline-flex; align-items: center; gap: 8px; opacity: .95; }
.contact-list a:hover { color: var(--color-white); opacity: 1; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: #ffffff;
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.header__content { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 99px; }
.logo img { height: 57px; width: auto; }

.nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; background: transparent; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle__bar { width: 24px; height: 2px; background: #1b2133; transition: transform .2s ease; }

.site-nav { position: fixed; inset: 72px 0 auto 0; background: rgba(18,21,39,.98); transform: translateY(-150%); transition: transform .25s ease; }
.site-nav.open { transform: translateY(10%); }
.menu { list-style: none; padding: 12px 16px 24px; margin: 0; display: grid; gap: 8px; }
.menu a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--color-muted); font-weight: 700; }
.menu a:hover, .menu a:focus { color: var(--color-white); background: rgba(255,255,255,.06); }
.menu a.is-active,
.menu a.is-active:hover,
.menu a.is-active:focus { color: var(--color-primary); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav { position: static; transform: none; background: transparent; }
  .menu { display: flex; align-items: center; gap: 16px; padding: 0; }
  .menu a { color: #1b2133; }
  .menu a:hover { background: transparent; color: var(--color-primary); }
  .menu a:focus { color: var(--color-primary); }
  .menu a:active { color: var(--color-primary); }
  .menu a.is-active { color: var(--color-primary); }
}

/* Hero */
.hero { position: relative; isolation: isolate; }
.hero__slider { position: relative; }
.hero__slide {
  min-height: clamp(420px, 60vh, 720px);
  display: grid; align-items: center;
  background-image: var(--bg);
  background-size: cover; background-position: center;
  position: relative;
}
.hero__slide::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(0deg, rgba(15,18,32,.85), rgba(15,18,32,.55));
}
.hero__inner { position: relative; z-index: 1; padding-block: 60px; }
.eyebrow { color: var(--color-muted); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; margin: 0 0 10px; }
.section--alt .eyebrow { color: #5a6175; }
.hero__title { font-family: Montserrat, Arial, sans-serif; font-weight: 900; font-size: var(--h1); line-height: 1.1; margin: 0 0 12px; }
.hero__subtitle { font-size: 1.05rem; color: #d6daea; margin: 0 0 22px; max-width: 60ch; }
.accent { color: var(--color-primary); }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__dots { position: absolute; inset: auto 0 14px 0; display: flex; gap: 8px; justify-content: center; z-index: 2; }
.dot { position: relative; width: 48px; height: 48px; padding: 0; border: 0; background: transparent; cursor: pointer; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; }
.dot::after { content: ""; width: 10px; height: 10px; border-radius: 999px; background: rgba(255,255,255,.35); transition: background-color .2s ease, transform .2s ease; }
.dot.is-active::after { background: var(--color-primary); transform: scale(1.05); }
.dot:focus-visible { outline: 2px solid #ffffff; outline-offset: 2px; }

/* Base sections */
.section {
  padding: clamp(48px, 7vw, 70px) 0;
  background: var(--color-bg);

  .section__title {
    font-size: 1rem;
  }
}

.section, .hero { scroll-margin-top: 90px; }
/* Light sections */
.section--alt {
  background: #ffffff;
  color: #1b2133;
}
.section--alt .section__lead { color: #5a6175; }
.center { text-align: center; }

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 700px) {
  .grid--2 { grid-template-columns: 1.1fr .9fr; align-items: center; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

.card { background: var(--color-surface); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.section--alt .card { background: #ffffff; border-color: #e9edf5; box-shadow: 0 10px 30px rgba(16,22,34,.08); }
.card--image img { aspect-ratio: 16/10; object-fit: cover; }

/* Service cards */
.service-card { background: #121527; border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 22px; display: grid; grid-template-columns: 56px 1fr; gap: 6px 14px; align-items: start; transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease; }
.service-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.16); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.service-card__icon { grid-row: 1 / span 2; display: flex; align-items: flex-start; justify-content: center; }
.service-card__title { font-family: Montserrat, Arial, sans-serif; margin: 0 0 6px; font-size: 1.05rem; grid-column: 2; }
.service-card__text { color: var(--color-muted); margin: 0; grid-column: 2; }
/* Light override */
.section--alt .service-card { background: #ffffff; border-color: #e9edf5; }
.section--alt .service-card:hover { border-color: #d7deea; box-shadow: 0 12px 26px rgba(16,22,34,.08); }
.section--alt .service-card__title { color: #0f1424; }
.section--alt .service-card__text { color: #5a6175; }

/* Services header and icons */
.services__head { display: grid; gap: 12px; align-items: end; grid-template-columns: 1fr; margin-bottom: 18px; }
@media (min-width: 900px) {
  .services__head { grid-template-columns: 1fr auto; }
}
.services__cta { align-self: start; }
.service-card__icon .material-symbols-outlined { font-size: 36px; }

/* Services quote */
.services__quote {
  margin: 30px 0 0;
  text-align: center;
  max-width: 100%;
  font-size: clamp(1rem, 1.4vw + 1rem, 1.3rem);
  color: #d6daea;
  line-height: 1.5;
}

/* Benefits */
.benefit { background: #121527; border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 20px; }
.benefit h5 { margin: 0 0 6px; font-size: 1rem; font-weight: 700; font-family: Montserrat, Arial, sans-serif; }
.benefit p { margin: 0; color: var(--color-muted); }

/* Projects */
.project-grid .project { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.06); }
.project-grid img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; filter: saturate(92%); transition: transform .3s ease; }
.project-grid .project:hover img { transform: scale(1.03); }
.project-grid figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 12px; font-weight: 600; color: #ffffff; background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.65)); backdrop-filter: blur(2px); }

/* Contato */
.contact__grid { display: grid; gap: var(--gap); grid-template-columns: 1fr; align-items: start; }
.contact__details .section__lead { color: #5a6175; }
.contact__list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 18px; }
.contact__list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; padding: 14px; }
.contact__list strong { display: block; margin-bottom: 4px; color: #0f1424; }
.contact__list p { margin: 0; color: #5a6175; }
.section--alt .material-symbols-outlined { color: var(--color-primary); }

.contact__card { background: linear-gradient(135deg, #d73b47, #2a2752); color: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.contact__form { display: grid; gap: 12px; }
.contact__formTitle { font-family: Montserrat, Arial, sans-serif; margin: 0 0 4px; font-size: 1.35rem; }
.contact__note { margin: 0 0 10px; opacity: .9; font-size: .95rem; }
.field input, .field textarea { width: 100%; border-radius: 10px; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.12); color: #fff; padding: 12px 14px; font: inherit; outline: none; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.8); }
.field input:focus, .field textarea:focus { border-color: #fff; background: rgba(255,255,255,.18); }
/* Form errors/messages */
.field--error input, .field--error textarea { border-color: #ffb3b3; }
.field__error { color: #ffe0e0; font-size: .9rem; margin-top: 6px; }
.form__message { padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.35); }
.form__message--success { border-color: #a2f0c8; background: rgba(0,0,0,.12); }
.form__message--error { border-color: #ffb3b3; background: rgba(255,0,0,.08); }

@media (min-width: 900px) {
  .contact__grid { grid-template-columns: 1.1fr .9fr; }
}

/* Footer */
.site-footer { background: #0b0e1a; border-top: 1px solid rgba(255,255,255,.06); }
.footer__content { display: grid; gap: 18px; align-items: center; justify-items: center; padding-top: 58px; padding-bottom: 38px; }
.footer__brand { display: grid; justify-items: center; gap: 8px; }
.footer__brand img { width: 180px; height: auto; }
.footer__slogan { margin: 0; font-size: 1rem; color: #d6daea; opacity: .95; letter-spacing: .02em; text-align: center; font-weight: 600; }
.footer__nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__nav a { color: var(--color-muted); padding: 6px 8px; }
.footer__nav a:hover { color: var(--color-white); }
.footer__copy { color: var(--color-muted); margin: 4px 0 0; font-size: .95rem; }

/* Utilities */
.btn { --bg: var(--color-primary); --fg: #fff; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 10px; background: var(--bg); color: var(--fg); border: 1px solid transparent; font-weight: 700; letter-spacing: .02em; box-shadow: 0 6px 18px rgba(193,39,45,.35); transition: transform .12s ease, background .15s ease, border-color .15s ease; }
.btn:hover { transform: translateY(-2px); }
.btn--secondary { --bg: #ffffff; --fg: #0f1220; }
.btn--light { --bg: #ffffff; --fg: #0f1220; }
.btn--outline { --bg: transparent; --fg: #fff; border-color: rgba(255,255,255,.6); box-shadow: none; }
.btn--ghost { --bg: transparent; --fg: #fff; border-color: rgba(255,255,255,.2); box-shadow: none; }
/* Ghost in light sections */
.section--alt .btn--ghost { --fg: #1b2133; border-color: rgba(16,22,34,.28); }

.check-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✔"; position: absolute; left: 0; color: var(--color-primary); font-weight: 900; }

.stacked-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* Accessibility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Slider fixes: stack slides and show only the active one */
.hero__slider { display: grid; }
.hero__slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .5s ease; }
.hero__slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; }

@media (prefers-reduced-motion: reduce) {
  .hero__slide { transition: none; }
}


/* Product cards (Produtos) */
.products-list { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 900px) { .products-list { grid-template-columns: 1fr 1fr; } }

.product-card {
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(16,22,34,.08);
  padding: 14px;
  display: grid; align-items: center; gap: 14px;
  grid-template-columns: 120px 1fr;
  transition: transform .15s ease, box-shadow .15s ease;
}
@media (min-width: 700px) { .product-card { grid-template-columns: 160px 1fr; } }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(16,22,34,.12); }

.product-card__media { aspect-ratio: 1 / 1; border-radius: 10px; overflow: hidden; background: #f3f5fa; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__title { margin: 0 0 6px; font-family: Montserrat, Arial, sans-serif; font-size: 1.05rem; color: #0f1424; }
.product-card__desc { margin: 0; color: #5a6175; }

@media (max-width: 520px) {
  .product-card { grid-template-columns: 1fr; }
  .product-card__media { aspect-ratio: 16 / 10; }
}