/* ── highnet.com.br ── Dark tech editorial ── */

:root {
  --bg-primary: #0B0F14;
  --bg-secondary: #111820;
  --bg-card: #161D27;
  --bg-hover: #1C2533;
  --cyan: #00E5BF;
  --cyan-dim: #00B899;
  --cyan-glow: rgba(0, 229, 191, 0.08);
  --cyan-glow-strong: rgba(0, 229, 191, 0.15);
  --text-primary: #E8ECF1;
  --text-secondary: #8B95A5;
  --text-muted: #5A6577;
  --border: #1E2A3A;
  --border-light: #2A3648;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1100px;
  --content-width: 720px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ── Base ── */
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.logo span { color: var(--cyan); }

nav { display: flex; gap: 32px; align-items: center; }
nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  letter-spacing: 0.2px;
}
nav a:hover, nav a.active { color: var(--cyan); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--text-secondary); margin: 4px 0;
  transition: 0.3s;
}

/* ── Hero ── */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 60px;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  max-width: 700px;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.6;
}

/* ── Section ── */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 40px;
}
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ── Card grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.25s, background 0.25s;
}
.card:hover {
  border-color: var(--border-light);
  background: var(--bg-hover);
}
.card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.card-meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── Blog list ── */
.blog-list { display: flex; flex-direction: column; gap: 1px; }
.blog-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: 0.2s;
}
.blog-item:hover { padding-left: 8px; }
.blog-item h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
}
.blog-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.blog-item time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 40px 0;
}
.stat {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── CTA ── */
.cta-section {
  text-align: center;
  padding: 80px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--cyan);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  letter-spacing: 0.3px;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── Footer ── */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); max-width: 280px; }
.footer-col h4 {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Content pages (sobre, privacidade, contato) ── */
.page-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.page-content h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.page-content .subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: 48px;
}
.page-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
}
.page-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.page-content ul {
  margin-bottom: 16px;
  padding-left: 20px;
}
.page-content ul li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}
.page-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
}
.page-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }
.page-content a:hover { opacity: 0.8; }

/* ── Team cards ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.team-card h3 { font-size: 16px; margin-bottom: 4px; color: var(--text-primary); }
.team-card .role { font-size: 13px; color: var(--cyan); font-family: var(--font-mono); margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--text-secondary); }

/* ── Contact form ── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ── Blog article (template para o pipeline) ── */
.article-header {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 60px 24px 32px;
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.article-body {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}
.article-body h2 { font-size: 24px; font-weight: 700; margin: 40px 0 16px; letter-spacing: -0.3px; color: var(--text-primary); }
.article-body h3 { font-size: 19px; font-weight: 600; margin: 32px 0 12px; color: var(--text-primary); }
.article-body p { color: var(--text-secondary); margin-bottom: 18px; }
.article-body ul, .article-body ol { margin-bottom: 18px; padding-left: 20px; }
.article-body li { color: var(--text-secondary); margin-bottom: 8px; padding-left: 16px; position: relative; }
.article-body ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; background: var(--cyan); border-radius: 50%; }
.article-body ol { counter-reset: ol; }
.article-body ol li { counter-increment: ol; }
.article-body ol li::before { content: counter(ol); position: absolute; left: -4px; top: 0; font-family: var(--font-mono); font-size: 13px; color: var(--cyan); font-weight: 700; }
.article-body blockquote {
  border-left: 3px solid var(--cyan);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--cyan-glow);
  border-radius: 0 8px 8px 0;
}
.article-body blockquote p { color: var(--text-primary); margin-bottom: 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body th { text-align: left; padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border); font-weight: 600; color: var(--text-primary); font-size: 13px; }
.article-body td { padding: 12px 16px; border: 1px solid var(--border); color: var(--text-secondary); }
.article-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
  }
  nav.open { display: flex; }
  .hero { padding: 48px 24px 40px; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .blog-item { grid-template-columns: 1fr; gap: 4px; }
}