/* ============================================
   Prognosis Landing Page — TEMA CLARO
   ============================================ */

:root {
  --color-bg-primary: #FAFAF8;
  --color-bg-secondary: #F3F2EE;
  --color-border: #E2E1DC;
  --color-border-hover: rgba(46, 124, 246, 0.4);
  --color-accent: #2E7CF6;
  --color-accent-dark: #1A65D6;
  --color-text-primary: #0D1117;
  --color-text-secondary: #5A6068;
  --color-text-muted: #8B9099;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;
  --container-max: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.header-scrolled {
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 28px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-family);
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

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

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

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--color-bg-primary);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(46, 124, 246, 0.06);
  border: 1px solid rgba(46, 124, 246, 0.15);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  color: var(--color-text-primary);
}

.title-accent {
  font-style: italic;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 0 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  background: #fff;
  padding: 6px;
}

/* ---- Sections ---- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-desc strong {
  color: var(--color-text-primary);
}

/* ---- Comparison ---- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-card {
  padding: 40px 36px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  transition: border-color var(--transition);
}

.comparison-card:hover {
  border-color: var(--color-border-hover);
}

.comparison-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.comparison-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.comparison-old h3 {
  color: var(--color-text-muted);
}

.comparison-new h3 {
  color: var(--color-accent);
}

.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison-card li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding-left: 24px;
  position: relative;
  line-height: 1.5;
}

.comparison-old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: #EF4444;
  font-size: 0.75rem;
  top: 2px;
}

.comparison-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #16A34A;
  font-weight: 700;
  font-size: 0.85rem;
  top: 1px;
}

/* ---- Solutions ---- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 40px 36px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  transition: border-color var(--transition);
}

.solution-card:hover {
  border-color: var(--color-border-hover);
}

.solution-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.solution-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.solution-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ---- Process Timeline ---- */
.process-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.process-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  position: relative;
  z-index: 1;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  padding-top: 4px;
}

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

/* ---- Stats / Onde Aplicamos ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 48px 32px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  transition: border-color var(--transition);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.stat-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.stat-card p strong {
  color: var(--color-text-primary);
}

/* ---- CTA Section ---- */
.section-cta {
  background: var(--color-bg-secondary);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.cta-actions {
  margin-top: 40px;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  width: 100%;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ---- Scroll Animations ---- */
.animate-target {
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

.animate-in {
  opacity: 1;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-primary);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid var(--color-border);
    z-index: 99;
  }

  .nav-open {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .header-inner .btn {
    display: none;
  }

  .menu-toggle {
    display: flex;
    z-index: 101;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text {
    text-align: center;
  }

  .hero-subtitle {
    margin: 0 auto 32px;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-image-wrapper {
    display: flex;
    justify-content: center;
  }

  .hero-image {
    max-width: 400px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

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

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

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

  .section {
    padding: 80px 0;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .process-timeline::before {
    left: 19px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .comparison-card,
  .solution-card {
    padding: 28px 24px;
  }

  .stat-card {
    padding: 36px 24px;
  }
}