/* ==========================================================================
   CALMI - PALETA SLIM, WARM & MINIMALISTA (ESTILO DEVLA)
   Foco: Alta conversão, leveza extrema, paz de espírito e autoridade médica
   100% RESPONSIVO PARA SMARTPHONES, TABLETS E DESKTOPS
   ========================================================================== */

:root {
  --bg-primary: #FAF8F5;       /* Fundo Linho Quente */
  --bg-surface: #FFFFFF;       /* Cards e superfícies brancas puras */
  --bg-subtle: #F3EFEA;        /* Fundo secundário sutil */
  --color-primary: #5A7F6E;    /* Sálvia Médico Elegante */
  --color-primary-light: #EBF2EE; /* Sálvia suave para tags e fundos */
  --color-primary-hover: #486859;
  --color-accent-amber: #D9824C;/* Pêssego/Âmbar quente para destaques */
  --color-accent-blue: #4A7A96; /* Azul sereno para sono */
  --color-danger: #D35400;     /* Alerta de emergência */
  --text-primary: #24292F;     /* Carvão suave para legibilidade perfeita */
  --text-secondary: #6B7280;   /* Cinza neutro legível */
  --text-muted: #9CA3AF;
  --border-light: #EBE6DF;     /* Linha ultra-fina de 1px */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(36, 41, 47, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(36, 41, 47, 0.06);
  --shadow-lg: 0 16px 36px -6px rgba(36, 41, 47, 0.08);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

/* Container Fluido */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 28px);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-badge {
  font-size: 0.72rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.15s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Botões Modernos e Slim com Touch Targets Mínimos de 44px */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(90, 127, 110, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--bg-surface);
  border-color: var(--text-secondary);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background: #20BA5A;
}

/* Hero Section */
.hero {
  padding: clamp(36px, 8vw, 70px) 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.hero-title {
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.hero-title span {
  color: var(--color-primary);
  font-style: italic;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* WhatsApp Phone Mockup Interativo */
.phone-mockup-wrapper {
  position: relative;
  width: 100%;
}

.phone-mockup {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: clamp(24px, 4vw, 36px);
  padding: clamp(12px, 3vw, 16px);
  box-shadow: var(--shadow-lg);
  position: relative;
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 12px;
  border-bottom: 1px solid #F1ECE6;
}

.phone-contact {
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  position: relative;
}

.online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: #10B981;
  border: 2px solid #FFFFFF;
  border-radius: var(--radius-full);
}

.phone-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.phone-status {
  font-size: 0.74rem;
  color: var(--color-primary);
  font-weight: 600;
}

.chat-bubble-container {
  padding: 14px 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #F9F7F4;
  border-radius: 18px;
  margin: 12px 0;
  min-height: 270px;
  max-height: 320px;
  overflow-y: auto;
}

.chat-bubble {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.86rem;
  line-height: 1.45;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.3s ease;
}

.bubble-user {
  align-self: flex-end;
  background: #E7F8ED;
  color: #1A3828;
  border-bottom-right-radius: 4px;
}

.bubble-bot {
  align-self: flex-start;
  background: #FFFFFF;
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  border: 1px solid #EFEAE3;
}

.bubble-audio {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
}

.audio-play-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 0.72rem;
}

.audio-wave {
  flex: 1;
  height: 14px;
  background: repeating-linear-gradient(90deg, #7A9A8B 0, #7A9A8B 2px, transparent 2px, transparent 6px);
}

.interactive-demo-input {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 6px;
}

.demo-input {
  flex: 1;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  font-size: 0.86rem;
  outline: none;
  background: #FFFFFF;
}

.demo-input:focus {
  border-color: var(--color-primary);
}

/* Badges Flutuantes */
.floating-stat {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 10px 16px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.floating-stat-icon {
  font-size: 1.4rem;
}

.stat-top-right {
  top: -15px;
  right: -20px;
}

.stat-bottom-left {
  bottom: 20px;
  left: -25px;
}

/* Seção de Dores vs Soluções */
.comparison-section {
  padding: clamp(48px, 8vw, 80px) 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(32px, 6vw, 50px);
}

.section-tag {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  color: var(--text-primary);
  line-height: 1.25;
}

.section-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--text-secondary);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 4vw, 32px);
}

.comparison-card {
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.card-old {
  background: #FAFAFA;
}

.card-calmi {
  background: var(--color-primary-light);
  border-color: #C8DDD2;
  position: relative;
}

.card-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.badge-old {
  background: #E5E7EB;
  color: #4B5563;
}

.badge-calmi {
  background: var(--color-primary);
  color: #FFFFFF;
}

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

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

/* Ferramentas Interativas */
.tools-section {
  padding: clamp(48px, 8vw, 80px) 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 4vw, 32px);
}

.interactive-box {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 32px);
  box-shadow: var(--shadow-sm);
}

.interactive-box-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.interactive-box-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.interactive-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-select, .form-control {
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 0.92rem;
  background: var(--bg-primary);
}

.calc-result-box {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.calc-result-time {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 4px 0;
}

/* Preços */
.pricing-section {
  padding: clamp(48px, 8vw, 80px) 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 28px);
  align-items: stretch;
}

.pricing-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px) clamp(18px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  background: #FAFDFB;
  box-shadow: var(--shadow-md);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.price-value {
  font-size: clamp(2rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin: 14px 0 8px;
}

.price-value span {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* MODAL DE CHECKOUT PIX (VENDAS) */
.checkout-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 22, 20, 0.7);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 16px;
}

.checkout-overlay.active {
  display: flex;
}

.checkout-modal {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 32px);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.25s ease;
  max-height: 90vh;
  overflow-y: auto;
}

/* Rodapé */
.footer {
  background: #FAF8F5;
  border-top: 1px solid var(--border-light);
  padding: clamp(40px, 6vw, 60px) 0 30px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: 40px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

.medical-disclaimer {
  background: #FFFDF9;
  border: 1px solid #F5E8D8;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #7A5B35;
}

/* BOTÃO WHATSAPP FLUTUANTE NO MOBILE */
.mobile-floating-wa {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: #FFFFFF;
  width: 56px;
  height: 56px;
  border-radius: 9999px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 90;
  text-decoration: none;
  transition: transform 0.2s;
}

.mobile-floating-wa:hover {
  transform: scale(1.08);
}

/* RESPONSIVIDADE MULTI-DISPOSITIVO */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin: 0 auto 28px;
  }
  .hero-cta-group, .hero-guarantee {
    justify-content: center;
  }
  .comparison-grid, .tools-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .floating-stat {
    display: none;
  }
  .mobile-floating-wa {
    display: flex;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .nav-actions .btn-whatsapp {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
}