/* ============================================
   Perito Informático Online — Design System
   Grammarly-inspired: Navy/Teal, Flat, Hairlines
   ============================================ */

:root {
  /* Colors */
  --color-grammarly-teal: #027e6f;
  --color-grammarly-teal-hover: #026058;
  --color-midnight-navy: #1f243c;
  --color-ink-black: #0e101a;
  --color-graphite: #545454;
  --color-steel: #707070;
  --color-silver: #b7b7b7;
  --color-ash: #d9d9d9;
  --color-fog: #ebebeb;
  --color-cloud: #f5f5f5;
  --color-carbon: #1c1c1c;
  --color-slate: #4d536e;
  --color-paper: #ffffff;

  /* Typography */
  --font-glyph: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-matter: 'Manrope', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Scale */
  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-subheading: 20px;
  --text-heading-sm: 22px;
  --text-heading: 36px;
  --text-heading-lg: 46px;
  --text-display: 52px;

  /* Leading */
  --leading-caption: 1.45;
  --leading-body-sm: 1.45;
  --leading-body: 1.5;
  --leading-subheading: 1.25;
  --leading-heading-sm: 1.2;
  --leading-heading: 1.12;
  --leading-heading-lg: 1.11;
  --leading-display: 1.09;

  /* Spacing */
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-28: 28px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 80px;
  --card-padding: 32px;
  --radius: 8px;
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-glyph);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-midnight-navy);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-grammarly-teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-matter);
  font-weight: 600;
  color: var(--color-ink-black);
}

h1 {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: -0.52px;
}

h2 {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: -0.36px;
}

h3 {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
}

h4 {
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-glyph);
  font-size: var(--text-body);
  font-weight: 700;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-grammarly-teal);
  color: var(--color-paper);
}

.btn-primary:hover {
  background-color: var(--color-grammarly-teal-hover);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-paper);
  color: var(--color-ink-black);
  border: 1px solid var(--color-ink-black);
}

.btn-secondary:hover {
  background-color: var(--color-cloud);
  text-decoration: none;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-paper);
  border-bottom: 1px solid var(--color-fog);
}

.nav-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-24);
}

.nav-links a {
  color: var(--color-midnight-navy);
  font-size: var(--text-body);
  font-weight: 400;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--color-grammarly-teal);
}

.nav-cta {
  padding: 10px 20px;
  font-size: var(--text-body-sm);
}

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

.hero {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-96) var(--spacing-24);
  text-align: center;
}

.hero-title {
  margin-bottom: var(--spacing-24);
}

.hero-subtitle {
  font-size: var(--text-subheading);
  color: var(--color-midnight-navy);
  max-width: 640px;
  margin: 0 auto var(--spacing-40);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-16);
}

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

.trust-bar {
  border-top: 1px solid var(--color-fog);
  border-bottom: 1px solid var(--color-fog);
  padding: var(--spacing-32) var(--spacing-24);
}

.trust-grid {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
}

.trust-icon {
  font-size: 20px;
}

/* ============================================
   Sections
   ============================================ */

.section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--section-gap) var(--spacing-24);
}

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

.section-teal {
  background-color: var(--color-grammarly-teal);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-48);
}

.section-title-light {
  color: var(--color-paper);
}

.section-subtitle {
  text-align: center;
  color: var(--color-graphite);
  font-size: var(--text-subheading);
  margin-top: 0;
  margin-bottom: var(--spacing-32);
}

/* Solo cuando sigue a un .section-title (que ya aporta 48px)
   el margen negativo compensa; el resto de casos se anula. */
.section-title + .section-subtitle {
  margin-top: calc(-1 * var(--spacing-32));
}

.container .section-subtitle {
  text-align: left;
  margin-top: var(--spacing-12);
}

.section-subtitle-light {
  color: var(--color-paper);
  opacity: 0.9;
}

/* ============================================
   Cards & Grids
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.card {
  background-color: var(--color-paper);
  border: 1px solid var(--color-fog);
  border-radius: var(--radius);
  padding: var(--card-padding);
}

.card-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-16);
}

.card-title {
  margin-bottom: var(--spacing-8);
  font-size: var(--text-body);
  font-weight: 700;
}

.card-text {
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
  line-height: var(--leading-body-sm);
}

/* Process */

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-24);
}

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

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-grammarly-teal);
  color: var(--color-paper);
  font-family: var(--font-matter);
  font-weight: 800;
  font-size: var(--text-subheading);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-16);
}

.process-title {
  font-size: var(--text-body);
  font-weight: 700;
  margin-bottom: var(--spacing-8);
}

.process-text {
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
}

/* Situations */

.situations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.card-situation {
  border-left: 3px solid var(--color-grammarly-teal);
}

/* Why */

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

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

/* ============================================
   FAQ
   ============================================ */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-fog);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-16);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-24);
  font-family: var(--font-glyph);
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--color-ink-black);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::after {
  content: '+';
  font-size: var(--text-heading-sm);
  color: var(--color-grammarly-teal);
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 var(--spacing-24) var(--spacing-24);
  color: var(--color-graphite);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body);
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-16);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group-full {
  margin-bottom: var(--spacing-24);
}

.form-label {
  font-size: var(--text-body-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-8);
  color: var(--color-paper);
}

.form-input {
  padding: 12px 16px;
  font-family: var(--font-glyph);
  font-size: var(--text-body);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  background-color: var(--color-paper);
  color: var(--color-ink-black);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--color-grammarly-teal);
}

/* Select específico */
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%230e101a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

select.form-input option {
  color: var(--color-ink-black);
  background-color: var(--color-paper);
}

.form-textarea {
  resize: vertical;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-12);
  font-size: var(--text-body-sm);
  color: var(--color-paper);
  cursor: pointer;
}

.link-light {
  color: var(--color-paper);
  text-decoration: underline;
}

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

.footer {
  background-color: var(--color-carbon);
  color: var(--color-silver);
  padding: var(--spacing-64) var(--spacing-24) var(--spacing-32);
}

.footer-grid {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-48);
  align-items: start;
}

.footer-col {
  min-width: 0;
}

.footer-title {
  color: var(--color-paper);
  font-size: var(--text-body);
  font-weight: 700;
  margin: 0 0 var(--spacing-16);
}

.footer-list {
  list-style: none;
}

.footer-list li {
  margin-bottom: var(--spacing-8);
}

.footer-list a {
  color: var(--color-silver);
  font-size: var(--text-body-sm);
  text-decoration: none;
}

.footer-list a:hover {
  color: var(--color-paper);
}

.footer-bottom {
  max-width: var(--page-max-width);
  margin: var(--spacing-48) auto 0;
  padding-top: var(--spacing-32);
  border-top: 1px solid var(--color-slate);
  text-align: center;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-32);
  }
}

.footer-copy {
  font-size: var(--text-body-sm);
  color: var(--color-steel);
}

.footer-colegiado {
  font-size: var(--text-caption);
  color: var(--color-steel);
  margin-top: var(--spacing-8);
}

/* ============================================
   Service Landings (landings de servicios)
   ============================================ */

.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

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

/* Grids reutilizables */
.grid {
  display: grid;
  gap: var(--spacing-32);
}

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

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

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

/* Hero de las landings de servicio */
.hero-grid-service {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-48);
  align-items: center;
  text-align: left;
}

.hero-text-service .hero-subtitle {
  text-align: left;
  margin-top: 0;
}

.hero-image-service {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 220px;
  height: 220px;
  margin: 0 auto;
  background: var(--color-cloud);
  border-radius: 50%;
}

.hero-image-service img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  /* los PNG traen fondo blanco: se funde con el círculo */
  mix-blend-mode: multiply;
}

/* Iconos de tarjeta (PNG del sitio) */
.card-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  vertical-align: middle;
}

/* Espaciado del h2 dentro del contenedor de las landings */
.container > h2 {
  margin-bottom: var(--spacing-32);
}

.container > h2 + .section-subtitle {
  margin-top: calc(-1 * var(--spacing-16));
}

/* Listas con check */
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-12);
}

.check-list li {
  position: relative;
  padding-left: var(--spacing-28);
  color: var(--color-graphite);
  line-height: var(--leading-body);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-grammarly-teal);
  font-weight: 800;
}

/* Lista numerada del proceso forense */
.process-list {
  list-style: none;
  counter-reset: process;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-16);
}

.process-list li {
  counter-increment: process;
  position: relative;
  padding-left: var(--spacing-40);
  color: var(--color-graphite);
  line-height: var(--leading-body);
}

.process-list li::before {
  content: counter(process);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--color-grammarly-teal);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-caption);
}

/* Tarjeta teal destacada */
.card-teal {
  background-color: var(--color-grammarly-teal);
  color: #fff;
  border: none;
  margin-top: var(--spacing-24);
}

.card-teal p {
  color: #fff;
  margin: 0;
}

.card-teal strong {
  display: block;
  margin-bottom: var(--spacing-8);
}

/* Sección FAQ */
.section-faq {
  background-color: var(--color-cloud);
}

.section-faq .faq-list {
  max-width: 800px;
  margin: 0 auto;
}

/* FAQ detalles (acordeón) */
.faq-item summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-20) var(--spacing-24);
  font-weight: 700;
  color: var(--color-ink-black);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "＋";
  font-size: 20px;
  color: var(--color-grammarly-teal);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .faq-answer {
  padding: 0 var(--spacing-24) var(--spacing-24);
  color: var(--color-graphite);
  line-height: var(--leading-body);
}

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

@media (max-width: 1024px) {
  .services-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--text-heading-lg);
  }

  h2 {
    font-size: var(--text-heading-sm);
  }

  .nav-logo img {
    height: 42px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: var(--spacing-64) var(--spacing-24);
  }

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

  .services-grid,
    .situations-grid,
    .why-grid {
      grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
      grid-template-columns: 1fr;
    }

    .hero-grid-service {
      grid-template-columns: 1fr;
      text-align: center;
      gap: var(--spacing-32);
    }

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

    .hero-image-service {
      order: -1;
      width: 160px;
      height: 160px;
    }

    .hero-image-service img {
      width: 72px;
      height: 72px;
    }

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

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

  .section {
    padding: var(--spacing-64) var(--spacing-24);
  }
}

@media (max-width: 480px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }

  /* Formulario: campos táctiles cómodos en mobile */
  .contact-form {
    padding: 0;
  }

  .form-input {
    padding: 14px 16px;
    font-size: 16px; /* evita zoom automático de iOS */
    border-radius: 8px;
  }

  .form-textarea {
    min-height: 160px;
  }

  .form-grid {
    gap: var(--spacing-16);
  }

  .contact-form .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
  }

  .contact-meta {
    margin-top: var(--spacing-16);
  }

  .checkbox-label {
    font-size: 13px;
    line-height: 1.5;
  }

  /* Footer legible en mobile */
  .footer-list a {
    font-size: var(--text-body-sm);
    line-height: 1.8;
  }

  .footer-title {
    font-size: var(--text-body);
  }

  .footer-copy,
  .footer-colegiado {
    font-size: var(--text-caption);
    line-height: 1.6;
  }

  .footer-grid {
    gap: var(--spacing-24);
  }

  /* En móvil la columna sin título no necesita el hueco de alineación */
  .footer-title-spacer {
    display: none;
  }

  /* Hero: gráfico no desborda */
  .hero-visual img,
  .hero-visual svg {
    max-width: 100%;
    height: auto;
  }

  /* Preguntas frecuentes: target táctil cómodo */
  .faq-question {
    padding: 16px;
    min-height: 52px;
  }

  .faq-toggle {
    width: 32px;
    height: 32px;
  }

  /* Título hero equilibrado */
  .hero h1 {
    font-size: var(--text-heading);
    line-height: 1.15;
  }

  /* Cards: iconos centrados */
  .situation-card,
  .process-item,
  .card-service {
    padding: var(--spacing-24);
    text-align: center;
  }

  .situation-card .icon-wrap,
  .process-item .icon-wrap {
    margin: 0 auto var(--spacing-16);
  }
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-page {
  max-width: 800px;
}

.legal-title {
  text-align: center;
  margin-bottom: var(--spacing-48);
}

.legal-block {
  margin-bottom: var(--spacing-32);
}

.legal-block h3 {
  font-size: var(--text-body);
  font-weight: 700;
  margin-bottom: var(--spacing-12);
  color: var(--color-ink-black);
}

.legal-block p,
.legal-block ul {
  font-size: var(--text-body);
  color: var(--color-graphite);
  line-height: var(--leading-body);
  margin-bottom: var(--spacing-12);
}

.legal-block ul {
  padding-left: var(--spacing-24);
}

.legal-block li {
  margin-bottom: var(--spacing-8);
}

.legal-block a {
  color: var(--color-grammarly-teal);
  text-decoration: underline;
}

.legal-updated {
  text-align: center;
  color: var(--color-steel);
  font-size: var(--text-body-sm);
  margin-top: var(--spacing-48);
  padding-top: var(--spacing-32);
  border-top: 1px solid var(--color-fog);
}

/* ============================================
   Thanks Page
   ============================================ */

.thanks-page {
  text-align: center;
  padding: var(--spacing-96) var(--spacing-24);
}

.thanks-content {
  max-width: 560px;
  margin: 0 auto;
}

.thanks-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-24);
}

.thanks-title {
  font-size: var(--text-heading);
  margin-bottom: var(--spacing-16);
}

.thanks-text {
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
}


/* Hero Image */
.hero-image {
    text-align: center;
    margin-top: var(--spacing-48);
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* Service Icons */
.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-16);
}

@media (max-width: 768px) {
    .service-icon {
        width: 40px;
        height: 40px;
    }
}

/* Proceso Header */
.proceso-header {
    text-align: center;
    margin-bottom: var(--spacing-48);
}

.proceso-img {
    max-width: 400px;
    height: auto;
    border-radius: var(--radius);
    margin-top: var(--spacing-24);
}

@media (max-width: 768px) {
    .proceso-img {
        max-width: 100%;
    }
}

/* Service Icon */
.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-16);
    image-rendering: -webkit-optimize-contrast;
}

@media (max-width: 768px) {
    .service-icon {
        width: 48px;
        height: 48px;
    }
}