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

:root {
  --color-bg: #FFFFFF;
  --color-text: #121212;
  --color-neutral: #F2F3F5;
  --color-accent: #FF3B30;
  --color-border: #E5E5E5;

  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --spacing-unit: 8px;
  --container-max: 1200px;
  --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

@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;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  line-height: 1.6;
}

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

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

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

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

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 1.5);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background: #E6342B;
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
}

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

.btn-whatsapp {
  background: var(--color-accent);
  color: var(--color-bg);
  width: 100%;
  margin-top: calc(var(--spacing-unit) * 3);
}

.btn-whatsapp:hover {
  background: #E6342B;
  color: var(--color-bg);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: calc(var(--spacing-unit) * 1);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

.nav-menu {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
  padding: calc(var(--spacing-unit) * 1) 0;
}

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

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link {
    display: block;
    padding: calc(var(--spacing-unit) * 3);
  }
}

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(18, 18, 18, 0.6), rgba(18, 18, 18, 0.4));
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 8) 0;
}

.hero-title {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-title-line {
  display: block;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.5;
  margin-bottom: calc(var(--spacing-unit) * 5);
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}

.kpis {
  padding: calc(var(--spacing-unit) * 6) 0;
  background: var(--color-neutral);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.kpis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.kpi-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.kpi-value {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.kpi-label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: calc(var(--spacing-unit) * 1);
}

.section-title {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  font-style: italic;
  color: #666;
  margin-top: calc(var(--spacing-unit) * -4);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

section {
  padding: calc(var(--spacing-unit) * 12) 0;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.service-card {
  padding: calc(var(--spacing-unit) * 4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--color-accent);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-description {
  color: #666;
  line-height: 1.6;
}

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

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
}

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

.step-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.step-description {
  color: #666;
  line-height: 1.6;
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.pricing-card {
  position: relative;
  padding: calc(var(--spacing-unit) * 5);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  transition: all var(--transition);
}

.pricing-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.pricing-featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

.pricing-badge {
  position: absolute;
  top: calc(var(--spacing-unit) * 2);
  right: calc(var(--spacing-unit) * 2);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 2);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 1);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.price-from {
  font-size: 0.875rem;
  color: #666;
}

.price-value {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.price-currency {
  font-size: 1.25rem;
  color: #666;
}

.pricing-description {
  color: #666;
  line-height: 1.6;
}

.pricing-note {
  text-align: center;
  color: #666;
  font-size: 0.875rem;
  font-style: italic;
}

.before-after {
  background: var(--color-neutral);
}

.slider-container {
  max-width: 800px;
  margin: 0 auto;
}

.comparison-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  user-select: none;
}

.comparison-before,
.comparison-after {
  position: absolute;
  inset: 0;
}

.comparison-before img,
.comparison-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.comparison-after {
  clip-path: inset(0 50% 0 0);
}

.comparison-label {
  position: absolute;
  top: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  background: rgba(18, 18, 18, 0.8);
  color: var(--color-bg);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-before .comparison-label {
  left: calc(var(--spacing-unit) * 2);
}

.comparison-after .comparison-label {
  right: calc(var(--spacing-unit) * 2);
}

.comparison-handle {
  position: absolute;
  top: 0;
  left: 50%;
  bottom: 0;
  width: 4px;
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 10;
}

.handle-line {
  position: absolute;
  inset: 0;
  background: var(--color-accent);
}

.handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.handle-circle svg {
  color: var(--color-bg);
  width: 16px;
  height: 16px;
}

.portfolio {
  background: var(--color-bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 3);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--transition);
}

.portfolio-item:hover img {
  filter: grayscale(0%);
}

.portfolio-item figcaption {
  padding: calc(var(--spacing-unit) * 2);
  font-size: 0.9375rem;
  color: #666;
  background: var(--color-bg);
}

.faq {
  background: var(--color-neutral);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 2);
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 3);
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--color-neutral);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer p {
  padding: 0 calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3);
  color: #666;
  line-height: 1.6;
}

.contact {
  background: var(--color-bg);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9375rem;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: calc(var(--spacing-unit) * 2);
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.form-gdpr {
  font-size: 0.875rem;
  color: #666;
}

.form-gdpr a {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact-form .btn {
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 3);
}

.contact-info-title {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
  font-size: 1rem;
}

.contact-detail svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-detail a:hover {
  text-decoration: underline;
}

.footer {
  background: var(--color-text);
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 12);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-logo {
  margin-bottom: calc(var(--spacing-unit) * 2);
  filter: brightness(0) invert(1);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--color-bg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1.5);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer-schedule {
  margin-top: calc(var(--spacing-unit) * 2);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-bottom {
  padding-top: calc(var(--spacing-unit) * 4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.toast {
  position: fixed;
  bottom: calc(var(--spacing-unit) * 3);
  right: calc(var(--spacing-unit) * 3);
  background: var(--color-text);
  color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transform: translateY(calc(100% + calc(var(--spacing-unit) * 3)));
  opacity: 0;
  transition: all var(--transition);
  z-index: 9999;
  max-width: 400px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 640px) {
  .toast {
    left: calc(var(--spacing-unit) * 3);
    right: calc(var(--spacing-unit) * 3);
    max-width: none;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}