/* ================================================================
   RTFlow Public Pages Stylesheet
   Version 2.0 - Brand Identity Aligned

   Paleta Oficial RTFlow:
   - Azul RTFlow (Primário): #1F3E77
   - Azul Profundo: #152548
   - Azul Petróleo (Acento): #1F7795
   - Branco Clínico: #FFFFFF
   - Cinza Claro: #EDEDED
   - Cinza Médio: #706F6F

   Design Philosophy: Medical-Tech Professional
   70% Traditional + 30% Modern
   ================================================================ */

/* ================================================================
   1. CSS VARIABLES (Design Tokens)
   ================================================================ */
:root {
  /* Paleta Oficial RTFlow */
  --rtflow-primary: #1F3E77;
  --rtflow-deep: #152548;
  --rtflow-teal: #1F7795;
  --rtflow-white: #FFFFFF;
  --rtflow-light-gray: #EDEDED;
  --rtflow-medium-gray: #706F6F;

  /* Variações de Transparência */
  --rtflow-primary-alpha-90: rgba(31, 62, 119, 0.9);
  --rtflow-primary-alpha-10: rgba(31, 62, 119, 0.1);
  --rtflow-teal-alpha-90: rgba(31, 119, 149, 0.9);
  --rtflow-teal-alpha-10: rgba(31, 119, 149, 0.1);

  /* Gradientes Oficiais */
  --gradient-hero: linear-gradient(135deg, #1F3E77 0%, #1F7795 100%);
  --gradient-hero-dark: linear-gradient(135deg, #152548 0%, #1F3E77 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F8FAFB 100%);
  --gradient-button: linear-gradient(135deg, #1F7795 0%, #1F3E77 100%);
  --gradient-button-hover: linear-gradient(135deg, #1F3E77 0%, #152548 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(31,62,119,0.95) 0%, rgba(31,119,149,0.85) 100%);

  /* Cores de Status (do guia oficial) */
  --success-green: #2E7D32;
  --success-green-light: #4CAF50;
  --attention-yellow: #F9A825;
  --attention-yellow-light: #FFC107;
  --alert-red: #D32F2F;
  --alert-red-light: #F44336;

  /* Tipografia */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Font Sizes (Mobile First) */
  --fs-h1: 2.5rem;      /* 40px */
  --fs-h2: 2rem;        /* 32px */
  --fs-h3: 1.5rem;      /* 24px */
  --fs-h4: 1.25rem;     /* 20px */
  --fs-body: 1rem;      /* 16px */
  --fs-small: 0.875rem; /* 14px */
  --fs-tiny: 0.75rem;   /* 12px */

  /* Font Weights */
  --fw-light: 300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Espaçamentos (8px base) */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 1.5rem;   /* 24px */
  --spacing-lg: 2rem;     /* 32px */
  --spacing-xl: 3rem;     /* 48px */
  --spacing-xxl: 4rem;    /* 64px */
  --spacing-xxxl: 6rem;   /* 96px */

  /* Sombras (Sutis - Medical Professional) */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 12px rgba(0, 0, 0, 0.15);

  /* Bordas */
  --border-radius-sm: 0.5rem;  /* 8px */
  --border-radius-md: 0.75rem; /* 12px */
  --border-radius-lg: 1rem;    /* 16px */
  --border-radius-xl: 1.5rem;  /* 24px */
  --border-radius-pill: 50rem;  /* Pill shape */

  /* Transições */
  --transition-fast: 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0.0, 0.2, 1);

  /* Z-index Layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Desktop Font Size Adjustments */
@media (min-width: 992px) {
  :root {
    --fs-h1: 3.5rem;      /* 56px */
    --fs-h2: 2.5rem;      /* 40px */
    --fs-h3: 2rem;        /* 32px */
    --fs-h4: 1.5rem;      /* 24px */
    --fs-body: 1.125rem;  /* 18px */
  }
}

/* ================================================================
   2. RESET & BASE STYLES
   ================================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-normal);
  line-height: 1.6;
  color: var(--rtflow-deep);
  background-color: var(--rtflow-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: var(--rtflow-primary);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--rtflow-teal);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--rtflow-primary);
  text-decoration: underline;
}

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

/* ================================================================
   3. UTILITY CLASSES
   ================================================================ */
.gradient-hero { background: var(--gradient-hero); }
.gradient-card { background: var(--gradient-card); }
.bg-primary { background-color: var(--rtflow-primary); }
.bg-deep { background-color: var(--rtflow-deep); }
.bg-teal { background-color: var(--rtflow-teal); }
.bg-light { background-color: var(--rtflow-light-gray); }
.bg-white { background-color: var(--rtflow-white); }

.text-primary { color: var(--rtflow-primary); }
.text-deep { color: var(--rtflow-deep); }
.text-teal { color: var(--rtflow-teal); }
.text-gray { color: var(--rtflow-medium-gray); }
.text-white { color: var(--rtflow-white); }
.text-success { color: var(--success-green); }
.text-attention { color: var(--attention-yellow); }

.fw-light { font-weight: var(--fw-light); }
.fw-normal { font-weight: var(--fw-normal); }
.fw-medium { font-weight: var(--fw-medium); }
.fw-semibold { font-weight: var(--fw-semibold); }
.fw-bold { font-weight: var(--fw-bold); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ================================================================
   4. COMPONENTS
   ================================================================ */

/* 4.1 Navigation (Public Pages) */
.public-navbar {
  background-color: var(--rtflow-white);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: box-shadow var(--transition-base);
}

.public-navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.public-navbar .navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: var(--fw-bold);
  color: var(--rtflow-primary);
  transition: color var(--transition-fast);
}

.public-navbar .navbar-brand:hover {
  color: var(--rtflow-teal);
  text-decoration: none;
}

.public-navbar .nav-link {
  color: var(--rtflow-deep);
  font-weight: var(--fw-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color var(--transition-fast);
}

.public-navbar .nav-link:hover,
.public-navbar .nav-link.active {
  color: var(--rtflow-primary);
}

/* Logo Styling */
.navbar-logo {
  max-height: 70px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo:hover {
  transform: scale(1.05);
}

/* Logo responsivo - ajuste para mobile */
@media (max-width: 768px) {
  .navbar-logo {
    max-height: 60px;
  }
}

/* 4.2 Hero Sections */
.hero-public {
  background: var(--gradient-hero);
  color: var(--rtflow-white);
  padding: var(--spacing-xxxl) 0 var(--spacing-xxl) 0;
  min-height: 500px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-public::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, rgba(31, 119, 149, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero-title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  margin-bottom: var(--spacing-md);
  color: var(--rtflow-white);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--fs-h4);
  font-weight: var(--fw-normal);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: var(--fs-body);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* 4.3 Feature Cards */
.feature-card-rtflow {
  background: var(--rtflow-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
  border: 1px solid var(--rtflow-light-gray);
}

.feature-card-rtflow:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  background: var(--rtflow-teal-alpha-10);
  color: var(--rtflow-teal);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-base);
}

.feature-card-rtflow:hover .feature-icon {
  background: var(--rtflow-teal);
  color: var(--rtflow-white);
  transform: scale(1.1) rotate(5deg);
}

.feature-icon svg,
.feature-icon i {
  width: 32px;
  height: 32px;
  stroke-width: 2;
}

.feature-title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  color: var(--rtflow-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: var(--fs-body);
  color: var(--rtflow-medium-gray);
  line-height: 1.6;
}

/* 4.4 Pricing Cards */
.pricing-card {
  background: var(--rtflow-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  height: 100%;
  position: relative;
  border: 2px solid var(--rtflow-light-gray);
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
  border-color: var(--rtflow-primary);
  border-width: 3px;
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--attention-yellow);
  color: var(--rtflow-deep);
  padding: 0.375rem 1.25rem;
  border-radius: var(--border-radius-pill);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  box-shadow: var(--shadow-sm);
  animation: subtle-bounce 2s ease-in-out infinite;
}

.pricing-plan-name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--rtflow-primary);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.pricing-amount {
  font-size: 3rem;
  font-weight: var(--fw-bold);
  color: var(--rtflow-primary);
  line-height: 1;
}

.pricing-period {
  font-size: var(--fs-body);
  color: var(--rtflow-medium-gray);
  display: block;
  margin-top: var(--spacing-xs);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  padding: 0;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--rtflow-light-gray);
  font-size: var(--fs-body);
  color: var(--rtflow-deep);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: var(--fw-bold);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* 4.5 Forms */
.form-rtflow {
  max-width: 600px;
  margin: 0 auto;
}

.form-rtflow .form-label {
  font-weight: var(--fw-semibold);
  color: var(--rtflow-deep);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.form-rtflow .form-control,
.form-rtflow .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--fs-body);
  font-family: var(--font-body);
  border: 2px solid var(--rtflow-light-gray);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: var(--rtflow-white);
}

.form-rtflow .form-control:focus,
.form-rtflow .form-select:focus {
  outline: none;
  border-color: var(--rtflow-teal);
  box-shadow: 0 0 0 3px var(--rtflow-teal-alpha-10);
}

.form-rtflow .form-control::placeholder {
  color: var(--rtflow-medium-gray);
  opacity: 0.7;
}

.form-rtflow .form-text {
  font-size: var(--fs-small);
  color: var(--rtflow-medium-gray);
  margin-top: var(--spacing-xs);
  display: block;
}

.form-rtflow .invalid-feedback {
  color: var(--alert-red);
  font-size: var(--fs-small);
  margin-top: var(--spacing-xs);
  display: block;
}

.form-rtflow .form-control.is-invalid {
  border-color: var(--alert-red);
}

.form-rtflow .form-control.is-valid {
  border-color: var(--success-green);
}

/* Plan Selection Cards */
.plan-option-card {
  border: 2px solid var(--rtflow-light-gray);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--rtflow-white);
}

.plan-option-card:hover {
  border-color: var(--rtflow-teal);
  background: var(--rtflow-teal-alpha-10);
}

.plan-option-card input[type="radio"]:checked ~ * {
  border-color: var(--rtflow-primary);
  background: var(--rtflow-primary-alpha-10);
}

/* Password Strength Indicator */
.password-hint {
  font-size: var(--fs-small);
  color: var(--rtflow-medium-gray);
  transition: color var(--transition-fast);
}

.password-hint.weak { color: var(--alert-red); }
.password-hint.medium { color: var(--attention-yellow); }
.password-hint.strong { color: var(--success-green); }

/* 4.6 Buttons */
.btn-rtflow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-rtflow:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button (CTA) */
.btn-primary-rtflow {
  background: var(--gradient-button);
  color: var(--rtflow-white);
  box-shadow: var(--shadow-md);
}

.btn-primary-rtflow:hover:not(:disabled) {
  background: var(--gradient-button-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--rtflow-white);
}

.btn-primary-rtflow:active:not(:disabled) {
  transform: translateY(0);
}

/* Pulse Animation for CTA */
.btn-primary-rtflow.pulse {
  animation: pulse-cta 2s ease-in-out infinite;
}

/* Secondary Button */
.btn-secondary-rtflow {
  background: var(--rtflow-white);
  color: var(--rtflow-primary);
  border: 2px solid var(--rtflow-primary);
}

.btn-secondary-rtflow:hover:not(:disabled) {
  background: var(--rtflow-primary);
  color: var(--rtflow-white);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Outline Button */
.btn-outline-rtflow {
  background: transparent;
  color: var(--rtflow-teal);
  border: 2px solid var(--rtflow-teal);
}

.btn-outline-rtflow:hover:not(:disabled) {
  background: var(--rtflow-teal);
  color: var(--rtflow-white);
  text-decoration: none;
}

/* Light Button (for dark backgrounds) */
.btn-light-rtflow {
  background: var(--rtflow-white);
  color: var(--rtflow-primary);
  box-shadow: var(--shadow-md);
}

.btn-light-rtflow:hover:not(:disabled) {
  background: var(--rtflow-light-gray);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Button Sizes */
.btn-lg-rtflow {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-sm-rtflow {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-small);
}

/* 4.7 Badges */
.badge-rtflow {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  border-radius: var(--border-radius-pill);
  text-align: center;
}

.badge-success {
  background-color: var(--success-green);
  color: var(--rtflow-white);
}

.badge-attention {
  background-color: var(--attention-yellow);
  color: var(--rtflow-deep);
}

/* 4.8 Info Cards (Signup Complete) */
.info-card-rtflow {
  background: var(--rtflow-light-gray);
  border-left: 4px solid var(--rtflow-primary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
}

.info-card-rtflow h5 {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  color: var(--rtflow-primary);
}

.info-card-rtflow p {
  margin-bottom: 0;
  color: var(--rtflow-deep);
}

.info-card-success {
  background: rgba(46, 125, 50, 0.1);
  border-left-color: var(--success-green);
}

/* Copy Button */
.copy-btn-rtflow {
  padding: 0.5rem 1rem;
  background: var(--rtflow-white);
  border: 2px solid var(--rtflow-teal);
  color: var(--rtflow-teal);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: var(--fw-medium);
}

.copy-btn-rtflow:hover {
  background: var(--rtflow-teal);
  color: var(--rtflow-white);
}

.copy-btn-rtflow:active {
  animation: ripple 0.6s ease-out;
}

/* 4.9 Step Numbers (Signup Complete) */
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-button);
  color: var(--rtflow-white);
  border-radius: 50%;
  font-weight: var(--fw-bold);
  font-size: var(--fs-h4);
  margin-right: var(--spacing-sm);
  flex-shrink: 0;
}

/* 4.10 FAQ Section */
.faq-item {
  margin-bottom: var(--spacing-lg);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  color: var(--rtflow-primary);
  margin-bottom: var(--spacing-xs);
}

.faq-question i,
.faq-question svg {
  color: var(--rtflow-teal);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.faq-answer {
  padding-left: calc(24px + var(--spacing-sm));
  color: var(--rtflow-medium-gray);
}

/* 4.11 Footer */
.footer-public {
  background-color: var(--rtflow-deep);
  color: var(--rtflow-light-gray);
  padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-public a {
  color: var(--rtflow-light-gray);
  transition: color var(--transition-fast);
}

.footer-public a:hover {
  color: var(--rtflow-white);
}

.footer-public h5,
.footer-public h6 {
  color: var(--rtflow-white);
}

/* ================================================================
   5. ANIMATIONS
   ================================================================ */

/* Pulse for CTA Buttons */
@keyframes pulse-cta {
  0%, 100% {
    box-shadow: 0 4px 8px rgba(31, 119, 149, 0.3);
  }
  50% {
    box-shadow: 0 6px 20px rgba(31, 119, 149, 0.5);
  }
}

/* Subtle Bounce for Badges */
@keyframes subtle-bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scale Bounce (Success Icons) */
@keyframes scale-bounce {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.scale-bounce {
  animation: scale-bounce 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Ripple Effect */
@keyframes ripple {
  0% {
    box-shadow: 0 0 0 0 var(--rtflow-teal-alpha-90);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(31, 119, 149, 0);
  }
}

/* Staggered Fade In (for multiple cards) */
.stagger-fade:nth-child(1) {
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.stagger-fade:nth-child(2) {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.stagger-fade:nth-child(3) {
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.stagger-fade:nth-child(4) {
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* ================================================================
   6. RESPONSIVE DESIGN (Mobile First)
   ================================================================ */

/* Mobile (< 768px) - Base styles already mobile-first above */
@media (max-width: 767px) {
  .hero-public {
    padding: var(--spacing-xxl) 0 var(--spacing-xl) 0;
    min-height: 400px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .btn-rtflow {
    width: 100%;
    padding: 1rem;
  }

  .feature-card-rtflow {
    margin-bottom: var(--spacing-md);
  }

  .pricing-card {
    margin-bottom: var(--spacing-md);
  }
}

/* Tablet (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .hero-public {
    min-height: 450px;
  }

  .hero-title {
    font-size: 2.5rem;
  }
}

/* Desktop (≥ 992px) */
@media (min-width: 992px) {
  .hero-public {
    min-height: 550px;
  }

  .container {
    max-width: 1200px;
  }

  /* Hover effects only on desktop */
  .btn-rtflow:hover {
    cursor: pointer;
  }
}

/* Large Desktop (≥ 1200px) */
@media (min-width: 1200px) {
  .hero-public {
    min-height: 600px;
  }
}

/* ================================================================
   7. ACCESSIBILITY
   ================================================================ */

/* Focus States */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 3px solid var(--rtflow-teal);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--rtflow-primary);
  color: var(--rtflow-white);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 9999;
  text-decoration: none;
}

.skip-to-main:focus {
  top: 0;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Dark Mode Support (for accessibility) */
@media (prefers-color-scheme: dark) {
  :root {
    --rtflow-white: #1a1a1a;
    --rtflow-light-gray: #2a2a2a;
    --rtflow-deep: #e0e0e0;
  }

  body {
    background-color: var(--rtflow-white);
    color: var(--rtflow-deep);
  }

  .public-navbar {
    background-color: #1a1a1a;
  }

  .feature-card-rtflow,
  .pricing-card,
  .form-control,
  .form-select {
    background-color: #2a2a2a;
    color: var(--rtflow-deep);
    border-color: #3a3a3a;
  }
}

/* ================================================================
   8. PRINT STYLES
   ================================================================ */
@media print {
  .public-navbar,
  .footer-public,
  .btn-rtflow {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }

  a {
    text-decoration: underline;
  }
}

/* ================================================================
   END OF STYLESHEET
   ================================================================ */