/* ===== CSS Variables - Paleta Pont ===== */
:root {
  /* Colors - Pont Brand */
  --color-primary: #1F2937;
  --color-primary-light: #374151;
  --color-secondary: #6B7280;
  --color-accent: #059669;
  --color-accent-hover: #047857;
  --color-background: #FAFAFA;
  --color-background-light: #F3F4F6;
  --color-background-dark: #E5E7EB;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-border: #E5E7EB;
  --color-success: #059669;
  --color-warning: #D97706;
  --color-error: #DC2626;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --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);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* ===== Base Styles ===== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

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

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text-light);
}

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

a:hover {
  color: var(--color-accent-hover);
}

/* ===== Utility Classes ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

.text--highlight {
  color: var(--color-accent);
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section__title {
  font-size: 36px;
  font-weight: 400;
  line-height: 40px;
  color: #101828;
  margin-bottom: var(--spacing-md);
}

.section__description {
  font-size: 20px;
  line-height: 28px;
  color: #4a5565;
  max-width: 672px;
  margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px; /* Accessibility: minimum touch target */
}

.btn--primary {
  background-color: #101828;
  color: white;
  border-color: #101828;
}

.btn--primary:hover {
  background-color: #1f2937;
  border-color: #1f2937;
  color: white;
}

.btn--secondary {
  background-color: white;
  color: #101828;
  border: 1px solid #101828;
}

.btn--secondary:hover {
  background-color: #101828;
  color: white;
  border-color: #101828;
}

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

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

.btn--large {
  padding: 10px 16px;
  font-size: 14px;
  min-height: 40px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

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

.nav__logo-link {
  display: flex;
  align-items: center;
}

.nav__logo {
  height: 32px;
  width: auto;
}

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

/* ===== Hero Section ===== */
.hero {
  padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-4xl) 0;
  background: var(--color-background);
}

.hero .container {
  max-width: 891px;
  padding: 0 var(--spacing-md);
}

.hero__content {
  text-align: center;
}

.hero__title {
  font-size: 60px;
  font-weight: 400;
  margin-bottom: var(--spacing-lg);
  line-height: 60px;
  color: #101828;
  max-width: 733px;
  margin-left: auto;
  margin-right: auto;
}

.hero__description {
  font-size: 20px;
  line-height: 28px;
  margin-bottom: var(--spacing-2xl);
  max-width: 672px;
  margin-left: auto;
  margin-right: auto;
  color: #4a5565;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-4xl);
  flex-wrap: wrap;
}

.hero__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  font-size: 14px;
  padding: 8px 16px;
  line-height: 20px;
}

@media (min-width: 768px) {
  .hero__actions .btn--primary {
    width: 203px;
  }

  .hero__actions .btn--secondary {
    width: 140px;
  }
}

.hero__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 672px;
  margin: 0 auto;
}

.hero__card {
  background-color: #f9fafb;
  border-radius: 16px;
  padding: 32px;
  text-align: left;
  min-height: 222px;
}

.hero__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: #101828;
  border-radius: 14px;
  margin-bottom: var(--spacing-lg);
  color: white;
}

.hero__card-title {
  font-size: 16px;
  font-weight: 400;
  color: #101828;
  margin-bottom: var(--spacing-md);
  line-height: 24px;
}

.hero__card-description {
  font-size: 16px;
  line-height: 24px;
  color: #4a5565;
  margin: 0;
}

/* ===== How It Works Section ===== */
.how-it-works {
  padding: var(--spacing-4xl) 0;
  background-color: #f9fafb;
}

.how-it-works .container {
  max-width: 843px;
  padding: 0 var(--spacing-md);
}

.how-it-works .section__header {
  margin-bottom: 64px;
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  position: relative;
  margin: 0 auto;
  align-items: start;
}

.how-it-works__step {
  background-color: white;
  border-radius: 16px;
  padding: 32px;
  text-align: left;
  position: relative;
  z-index: 2;
  min-height: 276px;
}

.how-it-works__step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: #101828;
  border-radius: 14px;
  margin-bottom: var(--spacing-xl);
  color: white;
}

.how-it-works__step-title {
  font-size: 16px;
  font-weight: 400;
  color: #101828;
  margin-bottom: var(--spacing-md);
  line-height: 24px;
}

.how-it-works__step-description {
  font-size: 16px;
  line-height: 24px;
  color: #4a5565;
  margin: 0;
}

.how-it-works__connector {
  position: absolute;
  top: 138px;
  width: 32px;
  height: 2px;
  background-color: #d1d5dc;
  left: calc(33.33% - 16px);
  z-index: 1;
}

.how-it-works__connector:nth-of-type(2) {
  left: calc(66.66% - 16px);
}

/* ===== Benefits Section ===== */
.benefits {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-background);
}

.benefits .container {
  max-width: 843px;
  padding: 0 var(--spacing-md);
}

.benefits .section__header {
  margin-bottom: 64px;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 0 auto;
}

.benefit {
  background-color: white;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 25px;
  text-align: left;
  height: 100%;
}

.benefit__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: #f3f4f6;
  border-radius: 14px;
  margin-bottom: 16px;
  color: #101828;
}

.benefit__title {
  font-size: 16px;
  font-weight: 400;
  color: #101828;
  margin-bottom: 8px;
  line-height: 24px;
  margin-top: 0;
}

.benefit__description {
  font-size: 14px;
  line-height: 20px;
  color: #4a5565;
  margin: 0;
}

/* ===== Features Section ===== */
.features {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-background);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

.feature {
  text-align: center;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  background-color: var(--color-background-light);
  transition: transform var(--transition-normal);
}

.feature:hover {
  transform: translateY(-4px);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--color-background);
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
  color: var(--color-accent);
}

.feature__title {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature__description {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== Categories Section ===== */
.categories {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-background-light);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.category {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.category:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.category__title {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

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

/* ===== Pricing Section ===== */
.pricing {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-background);
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.pricing__card {
  position: relative;
  padding: var(--spacing-2xl);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition-normal);
}

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

.pricing__card--featured {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-background);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.pricing__header {
  margin-bottom: var(--spacing-xl);
}

.pricing__title {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

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

.pricing__amount {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
}

.pricing__period {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

.pricing__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
}

.pricing__features li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
}

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

/* ===== CTA Section ===== */
.cta {
  padding: var(--spacing-4xl) 0;
  background-color: #101828;
  color: white;
  text-align: center;
}

.cta .container {
  max-width: 891px;
  padding: 0 24px;
}

.cta__title {
  color: white;
  font-size: 36px;
  font-weight: 400;
  line-height: 40px;
  margin-bottom: var(--spacing-lg);
}

.cta__description {
  color: #d1d5dc;
  font-size: 20px;
  line-height: 28px;
  margin-bottom: var(--spacing-2xl);
  max-width: 672px;
  margin-left: auto;
  margin-right: auto;
}

.cta__button {
  background-color: white;
  color: #101828;
  border-color: white;
  display: inline-flex;
  align-items: center;
  height: 40px;
  font-size: 14px;
  padding: 8px 16px;
  line-height: 20px;
  width: 187px;
}

.cta__button:hover {
  background-color: #f9fafb;
  border-color: #f9fafb;
  color: #101828;
}

/* ===== Footer ===== */
.footer {
  background-color: white;
  color: #4a5565;
  padding: 49px 24px 0 24px;
  border-top: 1px solid #e5e7eb;
}

.footer .container {
  max-width: 891px;
  padding: 0;
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer__brand {
  text-align: left;
}

.footer__logo {
  height: 32px;
  width: 32px;
  margin-bottom: 16px;
}

.footer__description {
  color: #4a5565;
  font-size: 14px;
  line-height: 20px;
  max-width: 180px;
  margin: 0;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__title {
  color: #101828;
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__list li {
  margin: 0;
}

.footer__link {
  color: #4a5565;
  font-size: 14px;
  line-height: 20px;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #101828;
}

.footer__bottom {
  border-top: 1px solid #e5e7eb;
  padding-top: 1px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 53px;
}

.footer__copyright {
  color: #4a5565;
  font-size: 14px;
  line-height: 20px;
  margin: 0;
}

.footer__social {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer__social .footer__link {
  color: #4a5565;
  font-size: 14px;
  line-height: 20px;
}

.footer__social .footer__link:hover {
  color: #101828;
}

/* ===== Responsive Design ===== */
@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
  
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .hero__actions {
    flex-direction: row;
  }
  
  .hero__actions .btn {
    width: auto;
  }
  
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer__content {
    grid-template-columns: auto repeat(3, 1fr);
    gap: 32px;
  }
  
  .footer__brand {
    text-align: left;
  }
  
  .footer__description {
    margin: 0;
  }
  
  .footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .footer__links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .pricing__card--featured {
    transform: scale(1.1);
  }
}

@media (max-width: 767px) {
  .hero__title {
    font-size: 36px;
    line-height: 40px;
  }
  
  .hero__description {
    font-size: 18px;
    line-height: 26px;
  }
  
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero__cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .how-it-works__steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .how-it-works__connector {
    display: none;
  }
  
  .section__title {
    font-size: 28px;
    line-height: 32px;
  }
  
  .section__description {
    font-size: 18px;
    line-height: 26px;
  }
  
  .benefits__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .cta__title {
    font-size: 28px;
    line-height: 32px;
  }
  
  .cta__description {
    font-size: 18px;
    line-height: 26px;
  }
  
  .cta__button {
    width: 100%;
    max-width: 300px;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    height: auto;
    padding-top: 16px;
  }
  
  .footer__links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus,
a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-light: #000000;
  }
}

/* Print styles */
@media print {
  .header,
  .cta,
  .footer {
    display: none;
  }
  
  .hero {
    padding-top: 0;
  }
  
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
  }
}