/* ==========================================================================
   CalView Website - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Primary */
  --color-primary: #0176D3;
  --color-primary-dark: #014486;
  --color-primary-light: #1B96FF;

  /* Colors - Secondary */
  --color-secondary: #1B5297;

  /* Colors - Semantic */
  --color-success: #2E844A;
  --color-success-light: #45C65A;
  --color-warning: #DD7A01;
  --color-error: #C23934;

  /* Colors - Neutral */
  --color-text-primary: #181818;
  --color-text-secondary: #444444;
  --color-text-tertiary: #706E6B;
  --color-text-inverse: #FFFFFF;

  /* Colors - Background */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F3F3F3;
  --color-bg-tertiary: #FAFAF9;
  --color-bg-dark: #181818;

  /* Colors - Border */
  --color-border: #DDDBDA;
  --color-border-light: #E5E5E5;

  /* Spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-xxxl: 64px;
  --space-xxxxl: 96px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 10px 20px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-family: 'Salesforce Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--space-lg);

  /* Header */
  --header-height: 72px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, .h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

h2, .h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h4, .h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-snug);
}

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

.text-lg {
  font-size: var(--font-size-lg);
}

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

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

.text-secondary {
  color: var(--color-text-secondary);
}

.text-tertiary {
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

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

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

.grid {
  display: grid;
  gap: var(--space-lg);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

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

.flex--column {
  flex-direction: column;
}

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
  display: flex;
  align-items: center;
}

.header .container {
  height: 100%;
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

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

.header__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) var(--space-xs);
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  margin-left: var(--space-lg);
}

/* Mobile Navigation */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-base);
}

.nav__toggle-icon::before {
  top: -7px;
}

.nav__toggle-icon::after {
  bottom: -7px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(1, 118, 211, 0.2);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background-color: var(--color-bg-primary);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.btn--ghost:hover {
  background-color: rgba(1, 118, 211, 0.1);
}

.btn--white {
  background-color: var(--color-bg-primary);
  color: var(--color-primary);
  border-color: var(--color-bg-primary);
}

.btn--white:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary-dark);
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn--full {
  width: 100%;
}

.btn--disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--elevated:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.card--highlight {
  border-color: var(--color-primary);
  position: relative;
}

.card--highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-xxs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(1, 118, 211, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(var(--header-height) + var(--space-xxxxl));
  padding-bottom: var(--space-xxxxl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg-primary) 100%);
}

.hero__eyebrow {
  display: inline-block;
  background-color: rgba(1, 118, 211, 0.1);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
}

.hero__title {
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.hero__subtitle {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xxl);
}

.hero__image {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: auto;
}

/* Placeholder for hero image */
.hero__image-placeholder {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-border-light) 100%);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xxl);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Problem Section
   -------------------------------------------------------------------------- */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.problem-card {
  text-align: center;
  padding: var(--space-xl);
}

.problem-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background-color: rgba(194, 57, 52, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
}

.problem-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.problem-card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.problem__summary {
  text-align: center;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
  margin-bottom: var(--space-xxxxl);
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row--reverse {
  direction: rtl;
}

.feature-row--reverse > * {
  direction: ltr;
}

.feature-content {
  padding: var(--space-lg) 0;
}

.feature-content__eyebrow {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.feature-content__title {
  margin-bottom: var(--space-md);
}

.feature-content__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
}

.feature-content__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-content__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
}

.feature-content__list-item::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--color-success);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
}

.feature-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.feature-image img {
  width: 100%;
  height: auto;
}

.feature-image-placeholder {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-border-light) 100%);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   Trust / Social Proof Section
   -------------------------------------------------------------------------- */
.trust-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.trust-stat {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
}

.trust-stat__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.trust-stat__label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.testimonial {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.testimonial__quote {
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  position: relative;
}

.testimonial__quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.2;
  position: absolute;
  top: -20px;
  left: -10px;
  line-height: 1;
}

.testimonial__author {
  font-weight: var(--font-weight-semibold);
}

.testimonial__role {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Partner Section
   -------------------------------------------------------------------------- */
.partner-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xxl);
  color: var(--color-text-inverse);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-xl);
  align-items: center;
}

.partner-banner__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.partner-banner__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.partner-banner__description {
  opacity: 0.9;
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

.partner-banner__benefits {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.partner-banner__benefit {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
}

.partner-banner__benefit::before {
  content: '';
  width: 16px;
  height: 16px;
  background-color: var(--color-success-light);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
}

.partner-banner__actions {
  display: flex;
  gap: var(--space-md);
}

.partner-banner__logo {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
}

.partner-banner__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  text-align: center;
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.pricing-toggle__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-toggle__label--active {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.pricing-toggle__switch {
  position: relative;
  width: 48px;
  height: 24px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.pricing-toggle__switch--active {
  background-color: var(--color-primary);
}

.pricing-toggle__switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--color-bg-primary);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.pricing-toggle__switch--active::after {
  transform: translateX(24px);
}

.pricing-toggle__badge {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  padding: var(--space-xxs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.pricing-card {
  padding: var(--space-xl);
  text-align: center;
}

.pricing-card--featured {
  transform: scale(1.05);
  z-index: 1;
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.pricing-card__price {
  margin-bottom: var(--space-md);
}

.pricing-card__amount {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

.pricing-card__period {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.pricing-card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-card__feature--included::before {
  content: '';
  width: 16px;
  height: 16px;
  min-width: 16px;
  background-color: var(--color-success);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
  margin-top: 2px;
}

.pricing-card__feature--excluded {
  opacity: 0.5;
}

.pricing-card__feature--excluded::before {
  content: '';
  width: 16px;
  height: 16px;
  min-width: 16px;
  background-color: var(--color-text-tertiary);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  text-align: center;
}

.cta-section__title {
  margin-bottom: var(--space-md);
}

.cta-section__description {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--space-xxl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xxl);
  margin-bottom: var(--space-xxl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-inverse);
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal-link {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}

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

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(1, 118, 211, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(194, 57, 52, 0.15);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23706E6B'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  background-size: 20px;
  padding-right: var(--space-xl);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

.form-help {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-xxl { margin-top: var(--space-xxl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-xxl { margin-bottom: var(--space-xxl); }

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 40px;
    --font-size-4xl: 32px;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

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

  .partner-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .partner-banner__benefits {
    justify-content: center;
  }

  .partner-banner__actions {
    justify-content: center;
  }

  .partner-banner__logo {
    justify-self: center;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 32px;
    --font-size-4xl: 28px;
    --font-size-3xl: 24px;
    --container-padding: var(--space-md);
    --space-xxxxl: 64px;
  }

  .nav__list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .nav__list--open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .nav__cta {
    display: none;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .problem-cards {
    grid-template-columns: 1fr;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .feature-row--reverse {
    direction: ltr;
  }

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

  .hero__actions {
    flex-direction: column;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}