/* ============================================
   RDLOG AI — Shared Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;700&display=swap');

/* ── Reset & Base ────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0A0F1C;
  --bg-card: #111827;
  --bg-card-hover: #1A2235;
  --accent: #00D4AA;
  --accent-dim: #00B894;
  --text: #F5F5F5;
  --text-muted: #8892A0;
  --border: #1E2D40;
  --font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --max-w: 1140px;
  --nav-h: 68px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--accent-dim); }

img { max-width: 100%; display: block; }

/* ── Utilities ───────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── Header / Nav ────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 15, 28, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.wordmark {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.wordmark span {
  color: var(--accent);
}

.wordmark:hover { color: var(--text); }

nav ul {
  display: flex;
  list-style: none;
  gap: 8px;
}

nav ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--text);
  background: var(--bg-card);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  aria-label: "Menu";
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  z-index: 99;
}

.mobile-nav.open { display: block; }

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav ul li a {
  display: block;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.mobile-nav ul li a:hover { color: var(--text); background: var(--bg-card); }

/* ── Hero ────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.25);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 780px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0A0F1C;
}

.btn-primary:hover {
  background: var(--accent-dim);
  color: #0A0F1C;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.25);
}

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

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ── Cards Grid ──────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
  display: block;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Stepper / Timeline ──────────────────────── */
.stepper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}

.stepper::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 10px);
  right: calc(12.5% + 10px);
  height: 1px;
  background: var(--border);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Stats ───────────────────────────────────── */
.stats-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 48px 32px;
  text-align: center;
  border-right: 1px solid var(--border);
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Two Col ─────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}

.col-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.col-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.col-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Tech List ───────────────────────────────── */
.tech-list {
  list-style: none;
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tech-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: border-color var(--transition);
}

.tech-list li:hover { border-color: rgba(0, 212, 170, 0.25); }

.tech-list li span.ti {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── CTA Banner ──────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  margin-top: 0;
}

.cta-banner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.cta-banner a.email-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid rgba(0, 212, 170, 0.4);
  padding-bottom: 2px;
}

.cta-banner a.email-link:hover {
  color: var(--accent-dim);
  border-color: var(--accent-dim);
}

/* ── Footer ──────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 0.8rem;
  color: #4B5563;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

/* ── Legal Pages ─────────────────────────────── */
.legal-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}

.legal-hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.legal-hero h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.15;
}

.legal-hero p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.legal-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
  padding-bottom: 80px;
}

/* Sidebar TOC */
.legal-toc {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.legal-toc h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.legal-toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.legal-toc ul li a {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}

.legal-toc ul li a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(0, 212, 170, 0.05);
}

/* Legal content */
.legal-content section {
  margin-bottom: 52px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--border);
}

.legal-content section:last-child {
  border-bottom: none;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  scroll-margin-top: calc(var(--nav-h) + 24px);
  display: flex;
  align-items: center;
  gap: 10px;
}

.legal-content h2 .sec-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 3px 9px;
  border-radius: 100px;
  flex-shrink: 0;
}

.legal-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 14px;
}

.legal-content p:last-child { margin-bottom: 0; }

.legal-content ul, .legal-content ol {
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.legal-content ul li, .legal-content ol li {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
}

.legal-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.legal-content ol {
  counter-reset: legal-counter;
}

.legal-content ol li {
  counter-increment: legal-counter;
}

.legal-content ol li::before {
  content: counter(legal-counter) '.';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.legal-content strong {
  color: var(--text);
  font-weight: 600;
}

.legal-content .highlight-box {
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 20px 0;
}

.legal-content .highlight-box p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.9rem;
}

.legal-content .contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legal-content .contact-box span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.legal-content .contact-box a {
  font-weight: 600;
}

/* ── Exclusão de Dados — Steps ───────────────── */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.step-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: border-color var(--transition);
}

.step-card:hover { border-color: rgba(0, 212, 170, 0.25); }

.step-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.12);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.step-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-card-body p strong { color: var(--text); }

.data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.data-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.data-card h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.data-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.data-card ul li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.data-card ul li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1;
  top: 2px;
}

/* ── Divider ─────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 1024px) {
  .stepper {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .stepper::before { display: none; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid var(--border); }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-top: 1px solid var(--border);
  }

  .legal-body {
    grid-template-columns: 1fr;
  }

  .legal-toc { display: none; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .section { padding: 60px 0; }

  nav ul { display: none; }
  .hamburger { display: flex; }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .tech-list {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero { padding: 64px 0 56px; }

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

  .stat-item {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none !important;
    border-top: 1px solid var(--border);
  }

  .stat-item:first-child { border-top: none; }

  .legal-hero { padding: 40px 0 32px; }
  .legal-body { padding-bottom: 56px; }
}

/* ── Focus / A11y ────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}