/* =========================================================
   G&R DEVS — estilos base
   Mobile-first. Sin frameworks. Variables en :root para
   que cambiar el color de marca no requiera tocar el resto.

   Paleta: negro / blanco / azul. El hero y el contacto final van
   oscuros; servicios, proceso, nosotros y confianza van claros.
   Titulares en Space Grotesk (autoalojada); el resto usa la sans
   del sistema.
   ========================================================= */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk-latin.woff2") format("woff2");
}

:root {
  /* Superficies claras */
  --color-bg: #ffffff;
  --color-bg-alt: #f3f5f9;
  --color-white: #ffffff;

  /* Superficies oscuras */
  --color-bg-dark: #05070c;
  --color-bg-dark-soft: #0d111c;

  /* Texto sobre superficies claras */
  --color-text: #0b0e14;
  --color-text-muted: #525b6b;

  /* Texto sobre superficies oscuras */
  --color-text-inverse: #f5f7fb;
  --color-text-inverse-muted: #a3adc2;

  /* Azul de marca: uno "de texto" (AA sobre blanco y como fondo
     de botón con texto blanco) y uno "de acento" más claro para
     detalles sobre fondos oscuros. */
  --color-primary: #2b59c3;
  --color-primary-dark: #1e3f8f;
  --color-primary-glow: #7c9bef;

  --color-border: #e2e5ea;
  --color-border-dark: rgba(255, 255, 255, 0.12);

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1100px;
  --radius: 6px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset mínimo */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.55;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  font-weight: 700;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; margin-bottom: var(--space-1); }

p {
  margin: 0 0 var(--space-2);
  color: var(--color-text-muted);
}

ul, ol {
  margin: 0 0 var(--space-2);
  padding-left: 1.2rem;
  color: var(--color-text-muted);
}

a {
  color: var(--color-primary);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-2);
}

/* Accesibilidad: saltar al contenido */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

/* Foco visible consistente */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary-glow);
  outline-offset: 2px;
}

/* Etiqueta corta antes de cada título de sección */
.kicker {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-primary);
  margin: 0 0 var(--space-1);
}

.kicker-inverse {
  color: var(--color-primary-glow);
}

.section-head {
  margin-bottom: var(--space-4);
}

.section-head h2 {
  margin-bottom: var(--space-1);
}

/* =====================
   Header / navegación
   ===================== */

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-dark);
  z-index: 50;
  transition: box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  transition: padding 0.3s var(--ease);
}

.site-header.is-scrolled .header-inner {
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text-inverse);
  text-decoration: none;
}

/* Isotipo (assets/logo.png, claro sobre transparente) */
.logo-img {
  height: 34px;
  width: auto;
}

.logo-word {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.logo-word strong {
  font-weight: 700;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
}

.main-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-dark);
  display: none;
}

.main-nav.is-open {
  display: block;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.main-nav a {
  display: block;
  text-decoration: none;
  color: var(--color-text-inverse);
  padding: var(--space-1) 0;
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-primary-glow);
}

.main-nav .nav-cta {
  display: inline-block;
  color: var(--color-text-inverse-muted);
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta:focus-visible {
  color: var(--color-text-inverse);
  border-color: var(--color-primary-glow);
}

/* =====================
   Botones
   ===================== */

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-lg {
  padding: 0.9rem 1.85rem;
  font-size: 1.05rem;
}

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

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

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

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

.btn-secondary-inverse {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-border-dark);
}

.btn-secondary-inverse:hover {
  border-color: var(--color-primary-glow);
  color: var(--color-primary-glow);
}

.btn-outline {
  display: inline-block;
  margin-top: var(--space-2);
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

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

.hero {
  --max-width: 1200px;
  position: relative;
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-5);
  background-color: var(--color-bg-dark);
  background-image: url("../assets/glow-fade.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-inverse);
  border-bottom: 1px solid var(--color-border-dark);
}

/* Isotipo grande acompañando el texto del hero (solo en pantallas anchas) */
.hero-logo {
  display: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: max(4vw, calc((100vw - var(--max-width)) / 2));
  height: 72%;
  max-height: 380px;
  width: auto;
  opacity: 0.9;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 640px;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--color-white);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-inverse);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.hero-text {
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--space-3);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Única animación de entrada: un fade suave de todo el hero al cargar */
.hero-inner,
.hero-logo {
  animation: hero-in 0.6s ease-out both;
}

@keyframes hero-in {
  from { opacity: 0; }
}

/* =====================
   Secciones genéricas
   ===================== */

.section {
  padding: var(--space-5) 0;
}

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

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-text-inverse-muted);
}

.section-intro {
  max-width: 640px;
}

/* Sobre nosotros */

.about-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.about-narrative h3 {
  margin-top: var(--space-3);
}

.about-narrative h3:first-child {
  margin-top: 0;
}

/* Lista de diferenciales: acompaña la narrativa, sin cajas ni sombras */
.diff-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}

.diff-list li {
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-border);
}

.diff-list li:first-child {
  border-top: none;
}

.diff-list h4 {
  color: var(--color-primary);
}

.diff-list p {
  margin-bottom: 0;
}

/* Clientes / confianza: logo + una reseña breve, sin grilla de testimonios */

.trust-case {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.trust-logo {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.trust-text {
  margin: 0;
  color: var(--color-text);
  max-width: 640px;
}

/* Servicios: filas editoriales, no cards idénticas */

.services-list {
  display: grid;
  gap: var(--space-5);
}

.service-row {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.service-row:first-child {
  padding-top: 0;
  border-top: none;
}

.service-problem {
  color: var(--color-text);
}

.service-row-body {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

.service-row-body h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

/* Proceso: numeración editorial, sin línea ni círculos conectores */

#proceso {
  position: relative;
  overflow: hidden;
}

#proceso::before {
  content: "";
  position: absolute;
  top: var(--space-4);
  bottom: var(--space-4);
  right: 0;
  width: 900px;
  background-image: url("../assets/pngwing.com.png");
  background-repeat: no-repeat;
  background-position: top right;
  background-size: contain;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 35%, transparent 100%);
  mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 35%, transparent 100%);
  pointer-events: none;
}

.process-grid {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

.process-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
}

.process-item:first-child {
  border-top: none;
}

.process-number {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-primary);
}

/* Contacto */

.contact-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.contact-info ul {
  list-style: none;
  padding: 0;
}

.contact-info li {
  margin-bottom: var(--space-2);
}

.copy-field {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-right: var(--space-2);
}

.copy-btn {
  font-family: inherit;
  font-size: 0.75rem;
  color: var(--color-text-inverse-muted);
  background: transparent;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  padding: 0.1rem 0.5rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  border-color: var(--color-primary-glow);
  color: var(--color-text-inverse);
}

.copy-btn.is-copied {
  border-color: var(--color-primary-glow);
  color: var(--color-primary-glow);
}

.contact-form {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: 0 20px 48px rgba(5, 7, 12, 0.18);
}

.contact-form h3 {
  color: var(--color-white);
}

.contact-form label {
  font-weight: 600;
  margin-top: var(--space-2);
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--color-text-inverse-muted);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  background: var(--color-bg-dark-soft);
  color: var(--color-text-inverse);
  transition: border-color 0.2s var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary-glow);
}

.contact-form button {
  margin-top: var(--space-3);
  align-self: flex-start;
}

.form-note {
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-primary-glow);
  margin-top: var(--space-1);
  margin-bottom: 0;
}

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

.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse-muted);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-dark);
}

.site-footer p {
  color: var(--color-text-inverse-muted);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer-inner {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-dark);
}

.site-footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer nav a {
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.site-footer nav a:hover {
  color: var(--color-primary-glow);
}

.site-footer a {
  color: var(--color-text-inverse-muted);
}

.footer-bottom {
  padding: var(--space-2) 0;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
  color: rgba(245, 247, 251, 0.5);
}

/* =====================
   Breakpoints
   ===================== */

@media (min-width: 640px) {
  .about-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }

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

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    display: block;
    border-bottom: none;
    background: none;
  }

  .main-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
  }

  .main-nav a {
    padding: 0.4rem 0;
  }

  .hero h1 {
    font-size: 3.25rem;
  }

  .hero-logo {
    display: block;
  }

  .service-row {
    grid-template-columns: 260px 1fr;
    gap: var(--space-4);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--space-4);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.3fr;
  }

  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

/* =====================
   Movimiento reducido
   ===================== */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}