/* =========================================================
   Erika Díaz, Abogados — hoja de estilos única
   Estructura: 1) Reset/base 2) Tipografía 3) Layout 4) Componentes
   5) Secciones específicas 6) Utilidades 7) Responsive
   ========================================================= */

/* 1. RESET / BASE -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { margin: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* 2. CUSTOM PROPERTIES / TIPOGRAFÍA --------------------------------- */
:root {
  /* Paleta institucional */
  --bg: #FAFAF8;
  --bg-alt: #F1F0EA;
  --ink: #1C1C1A;
  --ink-soft: #4A4A45;
  --line: #DCDAD1;
  --accent: #1F3A36;        /* verde oliva oscuro / azul marino institucional */
  --accent-soft: #2F4F49;
  --gold: #A9852E;          /* dorado apagado — solo CTAs */
  --gold-dark: #8C6E22;
  --white: #FFFFFF;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", -apple-system, "Segoe UI", Arial, sans-serif;

  --max-w: 1180px;
  --radius: 2px;
  --shadow: 0 1px 3px rgba(28,28,26,0.08), 0 4px 16px rgba(28,28,26,0.05);
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.3rem); }

p { margin: 0 0 1em; color: var(--ink-soft); }
strong { color: var(--ink); font-weight: 600; }

.eyebrow {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.6em;
}

/* 3. LAYOUT ----------------------------------------------------------- */
.wrap {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section { padding-block: 3.4rem; }
section + section { border-top: 1px solid var(--line); }

@media (min-width: 768px) {
  section { padding-block: 4.6rem; }
}

/* 4. COMPONENTES -------------------------------------------------------- */

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}
.brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--ink);
  white-space: nowrap;
}
.brand small {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.main-nav { display: none; }
.main-nav ul { display: flex; gap: 1.8rem; list-style: none; }
.main-nav a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.2rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}
.header-phone svg { width: 16px; height: 16px; flex-shrink: 0; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; padding: 0.6rem 1.5rem 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
.mobile-nav a { font-size: 0.98rem; color: var(--ink-soft); font-weight: 500; }
.mobile-nav a[aria-current="page"] { color: var(--accent); }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}
.btn-gold {
  background: var(--gold);
  color: var(--white);
}
.btn-gold:hover { background: var(--gold-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--white); }
.btn:active { transform: translateY(1px); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Cards de casos de uso */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 640px) { .cases-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .cases-grid { grid-template-columns: 1fr 1fr 1fr; } }

.case-card {
  background: var(--white);
  padding: 1.4rem 1.5rem;
}
.case-card h3 {
  font-size: 1.02rem;
  margin-bottom: 0.4em;
  color: var(--accent);
}
.case-card p { font-size: 0.92rem; margin-bottom: 0; }
.case-card .case-num {
  font-family: var(--serif);
  font-size: 0.78rem;
  color: var(--ink-soft);
  opacity: 0.6;
}

/* Pasos numerados */
.steps-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  list-style: none;
  counter-reset: step;
}
@media (min-width: 768px) { .steps-list { grid-template-columns: repeat(3, 1fr); } }
.step {
  border-left: 3px solid var(--accent);
  padding-left: 1.1rem;
}
.step .step-n {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--gold);
  display: block;
  margin-bottom: 0.3rem;
}
.step h3 { margin-bottom: 0.35em; }
.step p { font-size: 0.94rem; margin-bottom: 0; }

/* Callout / destacado */
.callout {
  background: var(--bg-alt);
  border-left: 4px solid var(--gold);
  padding: 1.2rem 1.4rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  color: var(--ink);
}

.banner {
  background: var(--accent);
  color: var(--white);
}
.banner h2, .banner p { color: var(--white); }
.banner p { opacity: 0.88; }

/* Valores */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}
@media (min-width: 768px) { .values-grid { grid-template-columns: repeat(3, 1fr); } }
.value-item h3 { color: var(--accent); }
.value-item p { font-size: 0.94rem; }

/* Equipo */
.team-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) { .team-block { grid-template-columns: 240px 1fr; } }
.team-photo {
  width: 100%;
  max-width: 240px;
}
.team-photo img {
  border-radius: var(--radius);
  width: 100%;
  max-width: 240px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.team-copy .role { color: var(--accent); font-weight: 600; font-size: 0.92rem; margin-bottom: 0.6em; display: block; }

/* Testimonio */
.testimonial {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 2rem;
  text-align: center;
}
.testimonial blockquote {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink);
  margin: 0 auto 0.8rem;
  max-width: 640px;
}
.testimonial cite { font-size: 0.88rem; color: var(--ink-soft); font-style: normal; }

/* FAQ accordion */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  text-align: left;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
}
.faq-q .icon {
  flex-shrink: 0;
  width: 18px; height: 18px;
  position: relative;
}
.faq-q .icon::before,
.faq-q .icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.25s ease;
}
.faq-q .icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.faq-q .icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.faq-item[data-open="true"] .icon::after { transform: scaleY(0); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a p { padding-bottom: 1.1rem; margin: 0; font-size: 0.95rem; }

/* Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-info dl { margin: 0; }
.contact-info dt {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-top: 1.4rem;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 0.3rem 0 0; font-size: 1rem; }

.map-placeholder {
  border: 1px solid var(--line);
  background: var(--bg-alt);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 0.88rem;
  text-align: center;
  padding: 1rem;
}

.form-field { margin-bottom: 1.1rem; }
.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.form-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.6rem; }

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  padding-block: 2.6rem 3rem;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.05fr 0.95fr; padding-block: 4rem 4.6rem; }
}
.hero-copy .eyebrow { margin-bottom: 1rem; }
.hero h1 { max-width: 14ch; }
.hero .lede {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--accent-soft);
  margin-bottom: 1.4rem;
}
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.4rem; }
.hero-figure {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }

/* Imagen + texto franja */
.split-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}
@media (min-width: 900px) { .split-feature { grid-template-columns: 1fr 1fr; } }
.split-feature img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16/11;
}
.split-feature.is-reversed { direction: rtl; }
.split-feature.is-reversed > * { direction: ltr; }

/* Footer */
.site-footer {
  background: var(--ink);
  color: #D9D8D2;
  padding-block: 3rem 1.6rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; } }
.footer-grid h4 {
  color: var(--white);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.9rem;
}
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-grid a, .footer-grid p { color: #B9B8B0; font-size: 0.9rem; }
.footer-brand .brand { color: var(--white); }
.footer-bottom {
  border-top: 1px solid #3A3A35;
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #93928B;
}
.footer-bottom a { color: #93928B; text-decoration: underline; text-decoration-color: #555; }
.footer-bottom a:hover { color: #D9D8D2; }

/* CTA final */
.cta-final {
  text-align: center;
  padding-block: 3.2rem;
}
.cta-final h2 { max-width: 26ch; margin-inline: auto; }

/* Créditos */
.credits-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.credits-table th, .credits-table td { text-align: left; padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--line); }
.credits-table th { font-family: var(--serif); color: var(--accent); }

/* 6. UTILIDADES ------------------------------------------------------- */
.text-center { text-align: center; }
.muted { color: var(--ink-soft); }
.mt-0 { margin-top: 0; }
.section-head { max-width: 640px; margin-bottom: 2.2rem; }
.section-head.text-center { margin-inline: auto; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }