/* Omnisfy — site institucional
   Paleta: indigo + cyan sobre branco, inspirada em SaaS de saúde moderno */

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #eef2ff;
  --accent: #06b6d4;
  --accent-light: #ecfeff;
  --ink: #0f172a;
  --muted: #475569;
  --muted-light: #94a3b8;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.15);
  --shadow-sm: 0 4px 14px -6px rgba(15, 23, 42, 0.12);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

h1, h2, h3, h4 {
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted);
  max-width: 640px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), #6366f1);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: 0 14px 28px -10px rgba(79, 70, 229, 0.45);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}

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

.btn-block {
  width: 100%;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  transition: color 0.15s ease;
}

.nav-links a:not(.btn):hover {
  color: var(--primary);
}

.mega-item {
  position: relative;
}

.mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}

.mega-trigger:hover {
  color: var(--primary);
}

.mega-caret {
  transition: transform 0.15s ease;
}

.mega-item.open .mega-trigger {
  color: var(--primary);
}

.mega-item.open .mega-caret {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 22px);
  left: 50%;
  transform: translateX(-50%);
  width: min(760px, 86vw);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 32px 0;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  z-index: 60;
}

.mega-item.open .mega-panel {
  display: grid;
}

.mega-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mega-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.mega-link {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.mega-link:hover {
  background: var(--bg-soft);
}

.mega-link-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.mega-link strong {
  display: block;
  font-size: 14.5px;
  color: var(--ink);
}

.mega-link small {
  display: block;
  font-size: 12.5px;
  color: var(--muted-light);
  line-height: 1.4;
  margin-top: 2px;
}

.mega-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.channel-pill {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 6px 12px;
  border-radius: 999px;
}

.mega-banner {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
  margin: 8px -32px 0;
  padding: 20px 32px;
  border-radius: 0 0 var(--radius) var(--radius);
  flex-wrap: wrap;
}

.mega-banner strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.mega-banner p {
  margin: 0;
  font-size: 13.5px;
}

@media (max-width: 720px) {
  .mega-item {
    width: 100%;
  }

  .mega-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 4px 0;
  }

  .mega-panel {
    position: static;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: none;
    grid-template-columns: 1fr;
    padding: 12px 0 0;
    margin: 0;
  }

  .mega-banner {
    margin: 12px 0 0;
    border-radius: var(--radius);
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
}

.lang-switch:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

/* Hero */
.hero {
  padding: 88px 0 64px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 80% -10%, var(--primary-light), transparent 60%),
              radial-gradient(900px 500px at -10% 20%, var(--accent-light), transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted-light);
}

.hero-visual {
  position: relative;
}

.chat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  max-width: 380px;
  margin-left: auto;
}

.chat-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.chat-card-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
}

.chat-bubble {
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 14px;
  margin-bottom: 10px;
  max-width: 85%;
}

.chat-bubble.in {
  background: var(--bg-soft);
  color: var(--ink);
  border-bottom-left-radius: 4px;
}

.chat-bubble.out {
  background: linear-gradient(90deg, var(--primary), #6366f1);
  color: #fff;
  margin-left: auto;
  border-bottom-right-radius: 4px;
}

/* Sections */
section {
  padding: 88px 0;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head.left {
  margin: 0 0 52px;
  text-align: left;
}

.bg-soft {
  background: var(--bg-soft);
}

/* Bullet features (hero support) */
.bullet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.bullet-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.bullet-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bullet-item p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 600;
}

/* Agent cards */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.agent-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.agent-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: transparent;
}

.agent-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.agent-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14.5px;
}

.agent-card li {
  margin-bottom: 6px;
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.benefit-card .agent-icon {
  background: var(--bg-soft);
  color: var(--primary);
  margin-bottom: 14px;
}

.benefit-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.benefit-card p {
  font-size: 14.5px;
  margin: 0;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 32px 24px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  box-shadow: var(--shadow-sm);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-card {
  background: linear-gradient(135deg, var(--primary), #6366f1 60%, var(--accent));
  border-radius: var(--radius);
  padding: 36px;
  color: #fff;
}

.about-card .stat {
  font-size: 2.2rem;
  font-weight: 800;
}

.about-card .stat-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
}

.about-card .stat-label {
  font-size: 13px;
  opacity: 0.85;
}

/* CTA + contact */
.cta-section {
  background: linear-gradient(135deg, #0f172a, #1e1b4b 60%, #164e63);
  color: #fff;
  border-radius: 24px;
  padding: 64px;
  margin: 0 24px;
  max-width: calc(var(--max-width) - 48px);
  margin: 0 auto;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-section h2 {
  color: #fff;
}

.cta-section .lead {
  color: rgba(255, 255, 255, 0.75);
}

.form-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  color: var(--ink);
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14.5px;
  background: var(--bg-soft);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  background: #fff;
}

.form-success {
  display: none;
  background: var(--accent-light);
  border: 1px solid #a5f3fc;
  color: #155e75;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}

.form-success.show {
  display: block;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 28px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--muted-light);
}

/* Legal pages (privacy policy, terms) */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.legal .updated {
  color: var(--muted-light);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 8px;
}

.legal h2 {
  font-size: 1.3rem;
  margin-top: 40px;
}

.legal p, .legal li {
  color: var(--muted);
  font-size: 15.5px;
}

.legal ul {
  padding-left: 20px;
}

.legal li {
  margin-bottom: 8px;
}

.legal a {
  color: var(--primary);
  font-weight: 600;
}

.legal-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

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

.back-link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .chat-card {
    margin: 0 auto;
  }

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

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

  .cta-section {
    padding: 40px 28px;
    border-radius: 20px;
    margin: 0 24px;
  }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    transform: translateY(-130%);
    transition: transform 0.2s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: block;
  }

  .bullet-grid,
  .agents-grid,
  .benefits-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 32px 20px;
  }
}

@media (max-width: 480px) {
  section {
    padding: 64px 0;
  }

  .hero {
    padding: 72px 0 48px;
  }
}