/* Desseg (Desenvolvimento Seguro) — site institucional da empresa.
   CSS próprio, sem framework — uma página só, não precisa do peso de
   um framework de UI completo. Paleta e tipografia herdadas do site
   do produto (Esteira de Segurança) de propósito, pra manter a
   identidade visual da marca entre empresa-mãe e produto. */

:root {
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-border: #e3e6ef;
  --color-text: #1a1d29;
  --color-text-muted: #5b6172;
  --color-text-soft: #848ba0;

  --color-brand: #3454d1;
  --color-brand-dark: #253d9e;
  --color-brand-light: #eef1fd;
  --color-accent: #16a888;
  --color-accent-light: #e5f7f3;

  --shadow-md: 0 8px 24px rgba(20, 24, 40, 0.09);
  --shadow-lg: 0 24px 56px rgba(20, 24, 40, 0.16);

  --radius-md: 14px;
  --radius-lg: 20px;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a {
  color: inherit;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header ---------- */

.site-header {
  padding: 1.5rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-text);
}

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--color-brand), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand__mark svg {
  width: 20px;
  height: 20px;
}

.brand__full {
  display: block;
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--color-text-soft);
  letter-spacing: 0.02em;
}

/* ---------- hero ---------- */

.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand);
  background: var(--color-brand-light);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 1.08rem;
}

/* ---------- sobre a empresa ---------- */

.about {
  padding: 3rem 0;
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
}

.about-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--color-brand-light);
  color: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.about-card__icon svg {
  width: 21px;
  height: 21px;
}

.about-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.about-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- produto ---------- */

.product {
  padding: 1.5rem 0 4rem;
}

.product-card {
  background: linear-gradient(160deg, var(--color-brand-dark), var(--color-brand) 55%, var(--color-accent) 130%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: #fff;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.product-card__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.product-card h2 {
  margin: 0 0 0.9rem;
  font-size: 1.7rem;
  line-height: 1.2;
}

.product-card p {
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.98rem;
  max-width: 46ch;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  color: var(--color-brand-dark);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.product-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.product-card__cta svg {
  width: 16px;
  height: 16px;
}

.product-card__url {
  display: block;
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
}

.product-card__features {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.product-card__features ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: #fff;
}

.product-card__features svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--color-accent-light);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.75rem 0;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-soft);
}

.site-footer__inner a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-footer__inner a:hover {
  color: var(--color-brand);
}

/* ---------- responsivo ---------- */

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

  .product-card {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
}