/* Clarear — identidade visual
   Azul Clarear #1F4E79
   Azul profundo #0F2A44
   Verde conforme #2E7D5B
   Âmbar aviso #B7791F
   Cinza papel #F4F6F8
   Grafite #2B2F36
*/

:root {
  --azul-clarear: #1F4E79;
  --azul-profundo: #0F2A44;
  --verde: #2E7D5B;
  --ambar: #B7791F;
  --cinza-papel: #F4F6F8;
  --grafite: #2B2F36;
  --branco: #ffffff;
  --sombra: 0 4px 12px rgba(15, 42, 68, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--grafite);
  background: var(--branco);
  line-height: 1.6;
  font-size: 1.05rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: var(--branco);
  border-bottom: 1px solid #e5e9ed;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--azul-clarear);
}

.logo-text {
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-line {
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--azul-clarear), var(--verde));
  margin-top: 4px;
  border-radius: 2px;
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  color: var(--azul-profundo);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus {
  color: var(--azul-clarear);
  text-decoration: underline;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--cinza-papel) 0%, var(--branco) 100%);
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--azul-profundo);
  line-height: 1.15;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.25rem;
  color: var(--azul-clarear);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-desc {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  color: var(--grafite);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary {
  background: var(--azul-clarear);
  color: var(--branco);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--azul-profundo);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--cinza-papel);
}

h2 {
  font-size: 2rem;
  color: var(--azul-profundo);
  margin-bottom: 1.75rem;
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  color: var(--azul-clarear);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.grid.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.lema {
  background: var(--branco);
  border-left: 4px solid var(--verde);
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  box-shadow: var(--sombra);
}

/* Princípios */
.principios {
  list-style: none;
  counter-reset: principio;
  display: grid;
  gap: 1.5rem;
}

.principios li {
  counter-increment: principio;
  background: var(--branco);
  padding: 1.5rem 1.5rem 1.5rem 4.5rem;
  border-radius: 8px;
  box-shadow: var(--sombra);
  position: relative;
}

.principios li::before {
  content: counter(principio);
  position: absolute;
  left: 1.25rem;
  top: 1.5rem;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--azul-clarear);
  color: var(--branco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

/* Produtos */
.products {
  margin-bottom: 1.5rem;
}

.product-card {
  background: var(--branco);
  border: 1px solid #e5e9ed;
  border-radius: 10px;
  padding: 1.75rem;
  box-shadow: var(--sombra);
}

.product-card ul {
  margin-top: 1rem;
  padding-left: 1.25rem;
  color: var(--grafite);
}

.product-card li {
  margin-bottom: 0.35rem;
}

.note {
  font-size: 0.95rem;
  color: #555;
  font-style: italic;
  margin-top: 1rem;
}

/* Footer */
.footer {
  background: var(--azul-profundo);
  color: #e8eef4;
  padding: 3rem 0;
  text-align: center;
}

.logo-footer {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--branco);
  margin-bottom: 0.25rem;
}

.footer .small {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 0.5rem;
}

.footer a {
  color: #a8c5e0;
}

/* Responsivo */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .grid.two-col {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .nav {
    gap: 1rem;
  }

  .nav a {
    font-size: 0.85rem;
  }

  .header .container {
    height: auto;
    padding: 1rem 1.5rem;
    flex-wrap: wrap;
  }
}