/* ============================================
   Narrative Flow Landing Page - Main Styles
   doctore.ar
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
@import url('./variables.css');

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

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

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

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

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

/* ============================================
   Animation Utilities
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--animation-duration) var(--animation-timing),
              transform var(--animation-duration) var(--animation-timing);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity var(--animation-duration) var(--animation-timing),
              transform var(--animation-duration) var(--animation-timing);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--animation-duration) var(--animation-timing),
              transform var(--animation-duration) var(--animation-timing);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--animation-duration) var(--animation-timing),
              transform var(--animation-duration) var(--animation-timing);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

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

.heading-display {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

.heading-1 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

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

.heading-3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

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

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

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .heading-display {
    font-size: var(--font-size-5xl);
  }

  .heading-1 {
    font-size: var(--font-size-4xl);
  }

  .heading-2 {
    font-size: var(--font-size-3xl);
  }

  .heading-3 {
    font-size: var(--font-size-2xl);
  }

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

@media (min-width: 1024px) {
  .heading-display {
    font-size: var(--font-size-6xl);
  }

  .heading-1 {
    font-size: var(--font-size-5xl);
  }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

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

.btn-ghost:hover {
  background-color: var(--color-surface);
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav__logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-background);
}

.nav__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.nav__lang-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-2);
  background-color: var(--color-surface);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
}

.nav__lang-btn {
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.nav__lang-btn.active {
  background-color: var(--color-background);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.nav__lang-btn:hover:not(.active) {
  color: var(--color-text);
}

.nav__cta {
  display: none;
}

@media (min-width: 768px) {
  .nav__container {
    height: 5rem;
  }

  .nav__cta {
    display: inline-flex;
  }
}

/* ============================================
   Progress Indicator
   ============================================ */

.progress-indicator {
  position: fixed;
  right: var(--spacing-6);
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-sticky);
  display: none;
}

.progress-indicator__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.progress-indicator__dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.progress-indicator__dot::before {
  content: attr(data-label);
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.progress-indicator__dot:hover::before {
  opacity: 1;
}

.progress-indicator__dot.active {
  background: var(--gradient-primary);
  transform: scale(1.3);
}

@media (min-width: 1024px) {
  .progress-indicator {
    display: block;
  }
}

/* ============================================
   Section Base
   ============================================ */

.section {
  padding: var(--section-padding-y) 0;
  position: relative;
}

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

.section__connector {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: var(--spacing-16);
  background: linear-gradient(to bottom, var(--color-border), transparent);
  bottom: calc(var(--spacing-16) * -1);
  z-index: 1;
}

.section__connector::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--spacing-20);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--spacing-6);
}

.hero__badge-icon {
  width: 1rem;
  height: 1rem;
}

.hero__title {
  margin-bottom: var(--spacing-6);
}

.hero__subtitle {
  margin-bottom: var(--spacing-8);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  animation: bounce 2s infinite;
}

.hero__scroll-hint svg {
  width: 1.5rem;
  height: 1.5rem;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* ============================================
   Problem Section
   ============================================ */

.problem {
  background-color: var(--color-surface);
}

.problem__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-16);
}

.problem__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.problem__title {
  margin-bottom: var(--spacing-4);
}

.problem__grid {
  display: grid;
  gap: var(--spacing-8);
}

.problem__card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.problem__card-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
  color: var(--color-error);
}

.problem__card-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.problem__card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-2);
}

.problem__card-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

@media (min-width: 768px) {
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .problem__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   Solution Intro Section
   ============================================ */

.solution-intro {
  position: relative;
}

.solution-intro__content {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
}

.solution-intro__image {
  order: -1;
  position: relative;
}

.solution-intro__image-placeholder {
  aspect-ratio: 4/3;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-background);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  text-align: center;
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
}

.solution-intro__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.solution-intro__title {
  margin-bottom: var(--spacing-6);
}

.solution-intro__text {
  margin-bottom: var(--spacing-6);
}

.solution-intro__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.solution-intro__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.solution-intro__list-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.2) 0%, rgba(var(--color-secondary-rgb), 0.1) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  margin-top: 0.125rem;
}

.solution-intro__list-icon svg {
  width: 0.875rem;
  height: 0.875rem;
}

@media (min-width: 1024px) {
  .solution-intro__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }

  .solution-intro__image {
    order: 1;
  }
}

/* ============================================
   TurnosMedicos Section (Hero Product)
   ============================================ */

.turnosmedicos {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 50%, var(--color-surface) 100%);
  position: relative;
  overflow: hidden;
}

.turnosmedicos::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.turnosmedicos__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.turnosmedicos__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.turnosmedicos__title {
  margin-bottom: var(--spacing-4);
}

.turnosmedicos__subtitle {
  max-width: 42rem;
  margin: 0 auto var(--spacing-12);
}

.turnosmedicos__mockup {
  position: relative;
  max-width: 56rem;
  margin: 0 auto var(--spacing-12);
}

.turnosmedicos__mockup-image {
  aspect-ratio: 16/10;
  background: var(--color-background);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.turnosmedicos__mockup-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  padding: var(--spacing-8);
}

.turnosmedicos__mockup-icon {
  width: 4rem;
  height: 4rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-background);
}

.turnosmedicos__mockup-icon svg {
  width: 2rem;
  height: 2rem;
}

.turnosmedicos__mockup-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.turnosmedicos__features {
  display: grid;
  gap: var(--spacing-6);
  max-width: 56rem;
  margin: 0 auto var(--spacing-12);
}

.turnosmedicos__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  text-align: left;
}

.turnosmedicos__feature-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1) 0%, rgba(var(--color-secondary-rgb), 0.1) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.turnosmedicos__feature-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.turnosmedicos__feature-content {
  flex: 1;
}

.turnosmedicos__feature-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-1);
}

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

.turnosmedicos__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
}

.turnosmedicos__cta-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .turnosmedicos__features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .turnosmedicos__features {
    grid-template-columns: repeat(4, 1fr);
  }

  .turnosmedicos__feature {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-6);
  }
}

/* ============================================
   Services Journey Section
   ============================================ */

.services-journey {
  background-color: var(--color-surface);
}

.services-journey__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-16);
}

.services-journey__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.services-journey__title {
  margin-bottom: var(--spacing-4);
}

.services-journey__steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.services-journey__step {
  display: grid;
  gap: var(--spacing-8);
  align-items: center;
}

.services-journey__step-content {
  order: 1;
}

.services-journey__step-image {
  order: 0;
}

.services-journey__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: var(--color-background);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
}

.services-journey__step-title {
  margin-bottom: var(--spacing-3);
}

.services-journey__step-text {
  margin-bottom: var(--spacing-4);
}

.services-journey__step-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.services-journey__step-feature {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  background-color: var(--color-background);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.services-journey__step-feature svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--color-secondary);
}

.services-journey__step-image-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1) 0%, rgba(var(--color-secondary-rgb), 0.1) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6);
}

.services-journey__step-icon {
  width: 4rem;
  height: 4rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-background);
}

.services-journey__step-icon svg {
  width: 2rem;
  height: 2rem;
}

@media (min-width: 1024px) {
  .services-journey__step {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }

  .services-journey__step-content {
    order: 0;
  }

  .services-journey__step-image {
    order: 1;
  }

  .services-journey__step:nth-child(even) .services-journey__step-content {
    order: 1;
  }

  .services-journey__step:nth-child(even) .services-journey__step-image {
    order: 0;
  }
}

/* ============================================
   Transformation Section
   ============================================ */

.transformation {
  position: relative;
}

.transformation__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-16);
}

.transformation__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.transformation__title {
  margin-bottom: var(--spacing-4);
}

.transformation__comparison {
  display: grid;
  gap: var(--spacing-8);
  max-width: 64rem;
  margin: 0 auto;
}

.transformation__card {
  background-color: var(--color-background);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.transformation__card--before {
  border: 2px solid var(--color-border);
}

.transformation__card--before::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-text-muted), var(--color-border));
}

.transformation__card--after {
  border: 2px solid var(--color-primary);
}

.transformation__card--after::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.transformation__card-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-6);
}

.transformation__card--before .transformation__card-label {
  background-color: var(--color-surface);
  color: var(--color-text-muted);
}

.transformation__card--after .transformation__card-label {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1) 0%, rgba(var(--color-secondary-rgb), 0.1) 100%);
  color: var(--color-primary);
}

.transformation__card-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.transformation__card-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  font-size: var(--font-size-base);
}

.transformation__card--before .transformation__card-item {
  color: var(--color-text-muted);
}

.transformation__card--after .transformation__card-item {
  color: var(--color-text);
}

.transformation__card-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.125rem;
}

.transformation__card--before .transformation__card-icon {
  background-color: var(--color-surface);
  color: var(--color-text-muted);
}

.transformation__card--after .transformation__card-icon {
  background: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.2) 0%, rgba(var(--color-secondary-rgb), 0.1) 100%);
  color: var(--color-secondary);
}

.transformation__card-icon svg {
  width: 0.875rem;
  height: 0.875rem;
}

.transformation__arrow {
  display: none;
  align-items: center;
  justify-content: center;
}

.transformation__arrow-icon {
  width: 3rem;
  height: 3rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-background);
  box-shadow: var(--shadow-lg);
}

.transformation__arrow-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (min-width: 1024px) {
  .transformation__comparison {
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-6);
  }

  .transformation__arrow {
    display: flex;
  }
}

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

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

.pricing__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-12);
}

.pricing__chapter {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
}

.pricing__title {
  margin-bottom: var(--spacing-4);
}

.pricing__cards {
  display: grid;
  gap: var(--spacing-6);
  max-width: 72rem;
  margin: 0 auto;
}

.pricing__card {
  background-color: var(--color-background);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.pricing__card--featured {
  border: 2px solid var(--color-primary);
  position: relative;
}

.pricing__card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.pricing__card-badge {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-background);
}

.pricing__card-header {
  margin-bottom: var(--spacing-6);
}

.pricing__card-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
}

.pricing__card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing__card-price {
  margin-bottom: var(--spacing-6);
}

.pricing__card-price-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
}

.pricing__card-price-period {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

.pricing__card-features {
  flex: 1;
  margin-bottom: var(--spacing-6);
}

.pricing__card-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.pricing__card-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing__card-feature svg {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-secondary);
}

.pricing__card-cta {
  width: 100%;
}

.pricing__note {
  text-align: center;
  margin-top: var(--spacing-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .pricing__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pricing__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top right, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section__content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin: 0 auto;
}

.cta-section__title {
  color: var(--color-background);
  margin-bottom: var(--spacing-4);
}

.cta-section__text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-8);
  font-size: var(--font-size-lg);
}

.cta-section__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
}

.cta-section__btn-primary {
  background-color: var(--color-background);
  color: var(--color-primary);
}

.cta-section__btn-primary:hover {
  background-color: var(--color-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.cta-section__btn-secondary {
  background: transparent;
  color: var(--color-background);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.cta-section__btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-background);
}

@media (min-width: 640px) {
  .cta-section__actions {
    flex-direction: row;
    justify-content: center;
  }
}

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

.footer {
  background-color: var(--color-text);
  color: var(--color-surface);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__content {
  display: grid;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer__brand {
  max-width: 20rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-background);
}

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

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

.footer__links {
  display: grid;
  gap: var(--spacing-8);
  grid-template-columns: repeat(2, 1fr);
}

.footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-4);
  color: var(--color-surface);
}

.footer__column-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer__column-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  padding-top: var(--spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

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

.footer__legal {
  display: flex;
  justify-content: center;
  gap: var(--spacing-6);
}

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: 1fr 2fr;
  }

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

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .footer__content {
    grid-template-columns: 1.5fr 2.5fr;
  }
}