:root {
  --bg: #ffffff;
  --card: #ffffff;
  --muted: #6b7280;
  --accent: #0b63d6;
  --accent-contrast: #ffffff;
  --radius: 10px;
  --text: #0b1220;
  --muted-bg: #f6f8fb;
  --max-width: 1100px;
  font-family: Inter, system-ui, Arial, sans-serif;
}

/* Reset */
* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container centralizado */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem;
}

/* Header */
.site-header {
  background: var(--muted-bg);
  border-bottom: 1px solid #e6eef7;
  position: sticky;
  top: 0;
  z-index: 200
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0
}

.logo img {
  height: 44px;
  display: block
}

.main-nav a {
  margin: 0 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  font-size: 1.2rem;
  cursor: pointer
}

/* Hero */
.hero {
  padding: 2rem 0;
  background: linear-gradient(90deg, #fbfdff, #ffffff)
}

.hero-inner {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center
}

.hero-copy {
  flex: 1;
  max-width: 640px;
  text-align: center
}

.hero-media {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center
}

.hero-media img {
  width: 520px;
  max-width: 100%;
  border-radius: 8px;
  display: block;
  margin: 0 auto
}

/* Typography / buttons */
.muted {
  color: var(--muted)
}

h1,
h2,
h3 {
  margin: 0 0 .5rem
}

p {
  margin: 0 0 .75rem
}

.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast)
}

.btn-ghost {
  background: transparent;
  border: 1px solid #e2e8f0;
  color: var(--text)
}

/* Cards / Grid */
.highlights {
  list-style: disc;
  margin-left: 1rem;
  color: var(--muted);
  display: inline-block;
  text-align: left
}

.card {
  background: var(--card);
  padding: 1rem;
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(11, 18, 32, 0.04);
  margin: 0 auto
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  align-items: start
}

/* Images in cards - responsive and centered */
.card img {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  margin: 0 auto .5rem;
  object-fit: cover;
  border-radius: 6px;
  max-height: 240px;
}

/* Sections */
.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: #f1f7ff;
  border-radius: 8px;
  margin-top: 1rem
}

.services .grid .card,
.products .grid .card {
  min-height: 140px
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem
}

input,
textarea {
  width: 100%;
  padding: .5rem;
  border: 1px solid #e6eef7;
  border-radius: 8px;
  margin-bottom: .5rem;
  font-family: inherit
}

/* Footer - claro */
.site-footer {
  background: #f8fafc;
  color: var(--text);
  padding: 1.25rem 0;
  margin-top: 2rem;
  border-top: 1px solid #eef3fb
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start
}

.footer-links a {
  display: block;
  margin: 0.2rem 0;
  color: #0b63d6;
  text-decoration: none
}

.site-footer h4 {
  margin: 0 0 .25rem
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #25d366;
  color: #fff;
  padding: 12px;
  border-radius: 50%;
  text-decoration: none;
  font-size: 20px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Copyright */
copyright,
.copyright {
  display: block;
  text-align: center;
  margin-top: 0.5rem;
  color: #6b7280;
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width:1100px) {
  :root {
    --max-width: 960px;
  }
}

@media (max-width:900px) {
  .hero-inner {
    flex-direction: column
  }

  .grid {
    grid-template-columns: 1fr
  }

  .contact-grid {
    grid-template-columns: 1fr
  }

  .menu-toggle {
    display: block
  }

  .main-nav {
    display: none
  }

  .card img {
    max-width: 100%;
    max-height: none
  }

  .cta {
    flex-direction: column;
    gap: .75rem
  }
}

/* Small screens */
@media (max-width:480px) {
  .header-inner {
    padding: .5rem 0
  }

  .logo img {
    height: 40px
  }

  .btn {
    padding: .5rem .75rem
  }

  .card {
    padding: .75rem
  }
}

/* Accessibility focus */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 3px solid rgba(11, 99, 214, 0.12);
  outline-offset: 2px;
}