/* ===================================
   DaněNula.cz - Design System
   =================================== */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Colors */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-900: #111827;

  /* Professional Green Palette */
  --color-green-50: #ECFDF5;
  --color-green-100: #D1FAE5;
  --color-green-500: #10B981;
  /* Emerald - Primary accent */
  --color-green-600: #059669;
  --color-green-700: #047857;

  /* Teal Accents for Modern Look */
  --color-teal-400: #2DD4BF;
  --color-teal-500: #14B8A6;
  --color-teal-600: #0D9488;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-hero: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 50%, #F0FDFA 100%);
  --gradient-accent: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
  --gradient-text: linear-gradient(135deg, #047857 0%, #0D9488 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;

  /* Shadows - Enhanced for Modern Look */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-green: 0 20px 40px -10px rgba(16, 185, 129, 0.3);
  --shadow-green-lg: 0 25px 50px -12px rgba(16, 185, 129, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-6);
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 80px;
  /* Account for fixed navbar */
}

/* ===================================
   Navigation Header
   =================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  height: 100px;
  width: auto;
  transition: transform var(--transition-base);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green-500);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-green-600);
}

.nav-link:hover::after {
  width: 100%;
}

.btn-nav {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover span {
  background-color: var(--color-green-500);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}


/* ===================================
   Typography
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

a {
  color: var(--color-green-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-green-700);
}

/* ===================================
   Layout Components
   =================================== */

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

.section {
  padding: var(--space-20) 0;
}

.section-alt {
  background-color: var(--color-gray-50);
}

/* ===================================
   Button Styles
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  gap: var(--space-2);
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-green);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-green-lg);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-large {
  padding: var(--space-6) var(--space-12);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-2xl);
}

/* ===================================
   Form Styles
   =================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-green-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.form-checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  cursor: pointer;
  accent-color: var(--color-green-500);
}

.form-checkbox label {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  cursor: pointer;
}

/* Checkbox Group for multiple checkboxes */
.form-checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* Form hint text */
.form-hint {
  display: block;
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* Radio Button Group */
.form-radio-group {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-3);
}

.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-green-500);
}

.form-radio label {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  cursor: pointer;
  margin: 0;
}

/* Vertical Radio Button Group */
.form-radio-group-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.form-file {
  padding: var(--space-4);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-md);
  background-color: var(--color-gray-50);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-file:hover {
  border-color: var(--color-green-500);
  background-color: var(--color-green-50);
}

/* ===================================
   Card Components
   =================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-green-500) 0%, var(--color-green-600) 100%);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  color: var(--color-white);
  font-size: var(--text-3xl);
}

/* ===================================
   Grid Layouts
   =================================== */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-left {
  opacity: 0;
  animation: fadeInLeft 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-right {
  opacity: 0;
  animation: fadeInRight 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Stagger animation delays for hero elements */
.hero-text .fade-in-left:nth-child(1) {
  animation-delay: 0.2s;
}

.hero-text .fade-in-left:nth-child(2) {
  animation-delay: 0.4s;
}

.hero-text .fade-in-left:nth-child(3) {
  animation-delay: 0.6s;
}

.hero-image .fade-in-right {
  animation-delay: 0.3s;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.scroll-reveal:nth-child(1) {
  transition-delay: 0.1s;
}

.scroll-reveal:nth-child(2) {
  transition-delay: 0.2s;
}

.scroll-reveal:nth-child(3) {
  transition-delay: 0.3s;
}

/* ===================================
   Hero Section - Symmetrical 50/50 Split
   =================================== */

.hero {

  min-height: 90vh;

  display: flex;

  align-items: center;

  background: #FFFFFF;

  padding: var(--space-24) 0;


}



.hero-content {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: var(--space-24);

  align-items: center;


}



.hero-text h1 {

  font-size: 4.5rem;

  font-weight: 800;

  line-height: 1.1;

  margin-bottom: var(--space-8);

  color: var(--color-gray-900);

  letter-spacing: -0.02em;


}



.hero-text p {

  font-size: 1.5rem;

  color: #6B7280;

  margin-bottom: var(--space-12);

  line-height: 1.6;


}



.hero-image {

  position: relative;

  width: 100%;

  display: flex;

  align-items: center;

  justify-content: center;


}



.hero-image img {
  max-width: 100%;
  height: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

/* ===================================
   Trust Bar
   =================================== */

.trust-bar {
  background: #F9FAFB;
  padding: 2rem 0;
  text-align: center;
}

.trust-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin: 0;
}

.trust-text svg {
  stroke: var(--color-green-500);
}

/* ===================================
   Value Props - 3-Column Grid
   =================================== */

.value-props {
  background: #FFFFFF;
  text-align: center;
}

.value-props-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-16);
  max-width: 1000px;
  margin: 0 auto;
}

.value-prop {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.value-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-6);
}

.value-icon svg {
  stroke: #10B981;
  stroke-width: 2px;
}

.value-prop h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.value-prop p {
  font-size: 1rem;
  color: #6B7280;
  line-height: 1.6;
  margin: 0;
}

/* ===================================
   Process Section - Card Based
   =================================== */

.process-section {
  background-color: var(--color-white);
}

.process-section h2 {
  text-align: center;
  margin-bottom: var(--space-3);
}

.process-intro {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-16);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.process-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.process-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-green-500);
  border-width: 3px;
}

.process-step-badge {
  position: absolute;
  top: -12px;
  left: var(--space-8);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-green-500) 0%, var(--color-green-600) 100%);
  color: var(--color-white);
  border-radius: 50%;
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-md);
}

.process-card-header {
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
}

.process-card-header h3 {
  font-size: var(--text-2xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.process-description {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.process-card-image {
  margin-top: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.process-card-image img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===================================
   Pricing Section
   =================================== */

.pricing-section {
  background-color: var(--color-white);
}

.pricing-section h2 {
  text-align: center;
  margin-bottom: var(--space-3);
}

.pricing-intro {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-16);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.pricing-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-green-500);
  border-width: 3px;
}

.pricing-card-popular {
  border-color: var(--color-green-500);
  border-width: 3px;
  box-shadow: var(--shadow-lg);
}

.pricing-card-popular:hover {
  border-color: var(--color-green-600);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-green-500) 0%, var(--color-green-600) 100%);
  color: var(--color-white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.pricing-header h3 {
  font-size: var(--text-2xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.pricing-subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin: 0;
}

.pricing-price {
  text-align: center;
  margin-bottom: var(--space-8);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
}

.price-amount {
  font-size: var(--text-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-green-600);
  line-height: 1;
}

.price-currency {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  margin-left: var(--space-2);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8) 0;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-gray-700);
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--color-green-500);
}

.pricing-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin: 0;
}

.pricing-note a {
  color: var(--color-green-600);
  font-weight: var(--font-weight-medium);
}

.pricing-note a:hover {
  color: var(--color-green-700);
  text-decoration: underline;
}

/* Pricing Actions Container */
.pricing-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: auto;
  width: 100%;
}

/* Learn More Button */
.btn-learn-more {
  position: relative;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-green-600);
  background-color: transparent;
  border: 2px solid var(--color-green-500);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-learn-more:hover {
  background-color: var(--color-green-50);
  border-color: var(--color-green-600);
  color: var(--color-green-700);
}

/* Tooltip */
.btn-learn-more .tooltip {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 320px;
  max-width: 90vw;
  padding: var(--space-4);
  background-color: var(--color-gray-900);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  font-size: var(--text-sm);
  line-height: 1.6;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 100;
}

/* Tooltip arrow */
.btn-learn-more .tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--color-gray-900);
}

/* Show tooltip on hover */
.btn-learn-more:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.btn-learn-more .tooltip strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-green-400);
  font-size: var(--text-base);
}

.pricing-cta {
  width: 100%;
}

/* ===================================
   Form Section
   =================================== */

.form-section {
  background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.form-section h2 {
  text-align: center;
  margin-bottom: var(--space-3);
}

.form-section-intro {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-12);
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-white);
  padding: var(--space-12);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.entity-toggle {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.toggle-option {
  flex: 1;
  padding: var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.toggle-option:hover {
  border-color: var(--color-green-500);
  background-color: var(--color-green-50);
}

.toggle-option.active {
  border-color: var(--color-green-500);
  background-color: var(--color-green-500);
  color: var(--color-white);
}

.security-notice {
  background-color: var(--color-green-50);
  border-left: 4px solid var(--color-green-500);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.form-block {
  background-color: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.form-block:hover {
  border-color: var(--color-green-300);
  box-shadow: var(--shadow-sm);
}

.form-block-title {
  color: var(--color-green-600);
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-green-200);
}

/* Form Subsections */
.form-subsection {
  margin-bottom: var(--space-8);
}

.form-subsection:last-child {
  margin-bottom: 0;
}

.form-subsection-title {
  color: var(--color-green-700);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.form-select-large {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-6);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-white);
}

.btn-submit {
  width: 100%;
  margin-top: var(--space-8);
  font-size: var(--text-2xl);
  padding: var(--space-8) var(--space-12);
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-green);
  transition: all 0.3s ease-in-out;
  border: 2px solid transparent;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-green-lg);
  background: var(--color-white);
  color: var(--color-green-600);
  border-color: var(--color-green-600);
}

/* ===================================
   Footer
   =================================== */

.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-12) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--color-gray-300);
  font-size: var(--text-sm);
}

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

.footer-contact {
  font-size: var(--text-sm);
}

.footer-contact a {
  color: var(--color-green-500);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  :root {
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
  }

  body {
    padding-top: 70px;
  }

  .logo {
    height: 64px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  /* Force solid white background on mobile - remove all transparency */
  .navbar {
    background-color: #FFFFFF !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #FFFFFF !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    flex-direction: column;
    gap: 0;
    padding: var(--space-8) 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
    padding: var(--space-4) var(--space-4);
  }

  .nav-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-lg);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .btn-nav {
    margin: var(--space-4) var(--space-4);
    min-height: 48px;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .hero-image {
    display: none;
  }

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

  .hero-text .btn {
    margin: 0 auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .value-props-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .process-card {
    margin-bottom: var(--space-4);
  }

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

  .pricing-card {
    margin-bottom: var(--space-4);
  }

  .form-block {
    padding: var(--space-6);
  }

  .btn-submit {
    font-size: var(--text-xl);
    padding: var(--space-6) var(--space-8);
  }

  /* Center all buttons on mobile */
  .pricing-cta,
  .btn-primary {
    display: flex;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

/* ===================================
   iPhone-Specific Optimizations
   iPhone 11-17 (max-width: 480px)
   =================================== */

@media (max-width: 480px) {

  /* Typography - Smaller headings for mobile */
  :root {
    --text-6xl: 2rem;
    --text-5xl: 1.75rem;
    --text-4xl: 1.5rem;
    --text-3xl: 1.25rem;
  }

  /* Sections - Reduce excessive spacing */
  .section {
    padding: var(--space-8) 0;
  }

  /* Hero Section - Optimized for mobile */
  .hero {
    padding: var(--space-6) 0;
  }

  .hero-content {
    gap: var(--space-6);
  }

  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.15;
    margin-bottom: var(--space-4);
  }

  .hero p {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
    color: #4B5563;
  }

  .hero-image {
    display: none;
  }

  /* Buttons - Better touch targets */
  .btn {
    min-height: 48px;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
  }

  .btn-large {
    min-height: 52px;
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
  }

  /* Section Headers - Improved contrast */
  .section-header h2 {
    font-size: 1.75rem;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
  }

  .section-header p {
    font-size: var(--text-base);
    color: var(--color-gray-700);
  }

  /* Value Props - Better spacing */
  .value-props-grid {
    gap: var(--space-6);
  }

  .value-prop h3 {
    font-size: var(--text-xl);
    color: var(--color-gray-900);
  }

  .value-prop p {
    color: var(--color-gray-700);
  }

  /* Process Section - Tighter layout */
  .process-grid {
    gap: var(--space-6);
  }

  .process-card {
    margin-bottom: var(--space-3);
    padding: var(--space-6);
  }

  .process-card h3 {
    font-size: var(--text-xl);
    color: var(--color-gray-900);
  }

  .process-card p {
    color: var(--color-gray-700);
  }

  /* Pricing Cards - Better mobile layout */
  .pricing-grid {
    gap: var(--space-6);
  }

  .pricing-card {
    margin-bottom: var(--space-3);
    padding: var(--space-6);
  }

  .pricing-card h3 {
    font-size: var(--text-2xl);
    color: var(--color-gray-900);
  }

  .pricing-card .price {
    font-size: var(--text-4xl);
    color: var(--color-gray-900);
  }

  .pricing-card ul li {
    color: var(--color-gray-700);
    padding: var(--space-3) 0;
  }

  /* Form Section - Improved visibility */
  .form-block {
    padding: var(--space-5);
  }

  .form-block h2 {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    font-weight: 700;
    margin-bottom: var(--space-6);
  }

  .form-group label {
    font-size: var(--text-sm);
    color: var(--color-gray-900);
    font-weight: 600;
    margin-bottom: var(--space-2);
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 48px;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-4);
  }

  .form-group textarea {
    min-height: 120px;
  }

  /* Submit Button - Prominent */
  .btn-submit {
    font-size: var(--text-lg);
    padding: var(--space-5) var(--space-8);
    min-height: 52px;
    width: 100%;
  }

  /* Mobile Menu Toggle - Better touch target */
  .mobile-menu-toggle {
    width: 44px;
    height: 44px;
    padding: var(--space-2);
  }

  .mobile-menu-toggle span {
    height: 3px;
  }

  /* Footer - Compact on mobile */
  .footer {
    padding: var(--space-8) 0;
  }

  .footer-links {
    gap: var(--space-4);
    font-size: var(--text-sm);
  }

  /* Icon Scaling - Reduce size on mobile */
  .value-icon {
    width: 48px;
    height: 48px;
  }

  .value-icon svg {
    width: 48px;
    height: 48px;
  }

  /* Enhanced Text Contrast for Mobile */
  .value-prop p,
  .process-description,
  .pricing-card ul li {
    color: #4B5563;
  }

  /* iPhone-Specific Optimizations */

  /* Safe area insets for notched iPhones (iPhone X and later, including iPhone 17) */
  body {
    padding-top: max(80px, env(safe-area-inset-top));
    padding-bottom: env(safe-area-inset-bottom);
  }

  .navbar {
    padding-top: env(safe-area-inset-top);
  }

  /* iOS tap highlight color */
  * {
    -webkit-tap-highlight-color: rgba(16, 185, 129, 0.2);
  }

  /* Prevent text size adjustment on orientation change */
  html {
    -webkit-text-size-adjust: 100%;
  }

  /* Smooth scrolling for iOS */
  body {
    -webkit-overflow-scrolling: touch;
  }

  /* Form inputs - iOS specific */
  .form-input,
  .form-select,
  .form-textarea {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }
}