/*
  dott. — landing estática (HTML/CSS/JS nativo)
  Migrado 1:1 desde la versión React/Tailwind validada (_REACT_BASELINE_20260922).
  Los valores de color, sombra, blur y transición fueron extraídos del CSS
  compilado por Tailwind v4 para garantizar paridad exacta.
*/

/* ---------- Tokens ---------- */
:root {
  /* Marca */
  --color-bg: #F8F8F7;
  --color-fg: #171717;
  --color-primary: #ff1a2a;
  --color-secondary-bg: #F1F1EF;
  --color-card-alt-bg: #E9E9E6;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Escala neutral (idéntica a Tailwind v4 "neutral", oklch, chroma 0) */
  /* neutral-400/500 oscurecidos respecto del original Tailwind (oklch 70.8%/55.6%)
     para cumplir WCAG AA 4.5:1 sobre los fondos claros donde se usan como texto
     (ver reporte de accesibilidad — cambio mínimo necesario, no decorativo). */
  --neutral-400: #737373;
  --neutral-500: #666666;
  --neutral-600: oklch(43.9% 0 0);
  --neutral-700: oklch(37.1% 0 0);
  --neutral-800: oklch(26.9% 0 0);
  --neutral-900: oklch(20.5% 0 0);
  --neutral-950: oklch(14.5% 0 0);

  /* Gradiente tarjeta "Arquitectura & Soluciones" */
  --grad-red-from: #ff3a45;
  --grad-red-via: #ff1a2a;
  --grad-red-to: #d90012;

  /* Bordes translúcidos sobre fondo claro */
  --border-black-05: rgba(0, 0, 0, 0.05);
  --border-black-10: rgba(0, 0, 0, 0.1);
  --border-black-15: rgba(0, 0, 0, 0.15);
  --border-black-20: rgba(0, 0, 0, 0.2);
  --border-black-25: rgba(0, 0, 0, 0.25);
  --border-black-45: rgba(0, 0, 0, 0.45);

  /* Radios */
  --radius-card: 1.5rem;       /* lovable-card */
  --radius-case: 32px;         /* Experiencia cards */
  --radius-control: 4px;       /* botones/inputs/selects */

  /* Blur / sombra (valores resueltos de Tailwind v4) */
  --blur-3xl: 64px;
  --blur-md: 12px;
  --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-black-20-lg: 0 10px 15px -3px rgba(0,0,0,0.2), 0 4px 6px -4px rgba(0,0,0,0.2);
  --shadow-experience-card: 0 22px 55px rgba(0,0,0,0.16);
  --shadow-lovable-card: 0 18px 50px rgba(23,23,23,0.08);

  /* Transición por defecto (Tailwind default) */
  --ease-default: cubic-bezier(.4,0,.2,1);
  --duration-150: .15s;
  --duration-200: .2s;
  --duration-300: .3s;
  --duration-500: .5s;

  /* Tipografía */
  --font-body: 'SF Pro Text', 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-heading: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* Contenedor */
  --container-max: 1320px;
  --container-pad: 1.25rem;
}

@media (min-width: 640px) {
  :root { --container-pad: 2rem; }
}
@media (min-width: 1024px) {
  :root { --container-pad: 3rem; }
}

/* ---------- Reset base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-heading); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; border: none; background: none; padding: 0; }

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

button:not(:disabled),
[role="button"]:not([aria-disabled="true"]),
[type="button"]:not(:disabled),
[type="submit"]:not(:disabled),
[type="reset"]:not(:disabled),
a[href],
select:not(:disabled) {
  cursor: pointer;
}

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

/* ---------- Utilidades de layout ---------- */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
@media (min-width: 1024px) {
  .container { max-width: var(--container-max); }
}

html.no-scroll, html.no-scroll body { overflow: hidden; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Tipografía compartida ---------- */
.font-heading { letter-spacing: -0.035em; }

.section-title {
  color: var(--color-fg);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-family: var(--font-heading);
}
.section-description {
  color: #525252;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.625;
}
.section-side-description {
  color: #525252;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.625;
}
@media (min-width: 640px) {
  .section-title { font-size: 3.75rem; }
  .section-description { font-size: 1.25rem; }
  .section-side-description { font-size: 1.125rem; }
}

/* Controles: bordes más definidos que las cards */
button, input, select, textarea, a.cta-pill {
  border-radius: var(--radius-control);
}

.lovable-card {
  border: 1px solid var(--border-black-10);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lovable-card);
}

/* Divisor de sección reutilizable */
.section-divider {
  margin-bottom: 3.5rem;
  border-top: 1px solid var(--border-black-15);
  padding-top: 1.25rem;
}
@media (min-width: 640px) { .section-divider { margin-bottom: 5rem; } }
.section-divider__label {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--neutral-950);
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: transparent;
  padding: 1.25rem 0;
  transition: background-color var(--duration-300) var(--ease-default),
              padding var(--duration-300) var(--ease-default),
              box-shadow var(--duration-300) var(--ease-default);
}
.navbar.is-scrolled {
  background-color: rgba(248, 248, 247, 0.9);
  -webkit-backdrop-filter: blur(var(--blur-md));
  backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--border-black-05);
  box-shadow: var(--shadow-sm);
  padding: 0.875rem 0;
}
.navbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__logo { display: flex; align-items: center; gap: 0.5rem; }
.navbar__logo:hover .navbar__brand { transform: scale(1.05); }

.navbar__brand {
  position: relative;
  display: inline-block;
  height: 1.75rem;
  width: 79px;
  transition: transform var(--duration-150) var(--ease-default);
}
.navbar__brand-mark {
  position: absolute;
  inset: 0;
  height: 100%;
  width: auto;
  object-fit: contain;
  object-position: left center;
  opacity: 0;
  transition: opacity var(--duration-200) var(--ease-default);
}
.navbar.is-hero .navbar__brand-mark--isotipo { opacity: 1; }
.navbar:not(.is-hero) .navbar__brand-mark--wordmark { opacity: 1; }

.navbar__links {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 768px) { .navbar__links { display: flex; } }
.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--neutral-600);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--duration-200) var(--ease-default);
}
.navbar__link:hover { color: var(--neutral-950); }
.navbar__link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--color-primary);
  transition: width var(--duration-200) var(--ease-default);
}
.navbar__link:hover::after { width: 100%; }

.navbar__cta-wrap { display: none; align-items: center; }
@media (min-width: 768px) { .navbar__cta-wrap.is-visible { display: flex; } }

.cta-pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-control);
  box-shadow: var(--shadow-md);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.2), 0 2px 4px -2px rgba(0,0,0,0.2);
  transition: background-color var(--duration-200) var(--ease-default),
              transform var(--duration-150) var(--ease-default);
}
.cta-pill:hover { background-color: var(--neutral-800); }
.cta-pill:active { transform: scale(0.95); }

.navbar__menu-btn {
  display: inline-flex;
  border-radius: var(--radius-control);
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background-color var(--duration-200) var(--ease-default);
}
.navbar__menu-btn:hover { background-color: var(--neutral-800); }
@media (min-width: 768px) { .navbar__menu-btn { display: none; } }

.navbar__mobile-drawer {
  display: none;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--border-black-10);
  padding: 1.5rem 1.5rem;
}
.navbar__mobile-drawer.is-open { display: block; }
@media (min-width: 768px) { .navbar__mobile-drawer { display: none !important; } }

/* Drawer mobile como overlay a pantalla completa cuando está abierto.
   Causa raíz del bug heredado: .navbar es position:fixed con altura automática;
   el drawer solo ocupaba el alto de su propio contenido, por lo que el Hero
   (contenido normal de la página, no clippeado por el header) quedaba visible
   justo debajo del borde inferior del drawer — el CTA "Conversemos" del Hero
   asomaba porque nunca estuvo realmente cubierto, no por un problema de z-index. */
@media (max-width: 767px) {
  .navbar.mobile-menu-open {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    padding: 0;
    background-color: var(--color-bg);
  }
  .navbar.mobile-menu-open .navbar__row {
    flex-shrink: 0;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
  }
  .navbar.mobile-menu-open.is-scrolled .navbar__row {
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
  }
  .navbar.mobile-menu-open .navbar__mobile-drawer {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-bottom: none;
  }
}
.navbar__mobile-nav { display: flex; flex-direction: column; gap: 1rem; }
.navbar__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--neutral-800);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-black-05);
  transition: color var(--duration-200) var(--ease-default);
}
.navbar__mobile-link:hover { color: var(--color-primary); }
.navbar__mobile-cta-wrap { display: none; padding-top: 0.5rem; }
.navbar__mobile-cta-wrap.is-visible { display: block; }
.navbar__mobile-cta {
  width: 100%;
  justify-content: center;
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.75rem 0;
  border-radius: var(--radius-control);
}
.navbar__mobile-cta:active { transform: scale(0.95); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--color-bg);
  padding-top: 58px;
  padding-bottom: 1.5rem;
}
@media (min-width: 640px) { .hero { padding-bottom: 6rem; } }
@media (min-width: 1024px) { .hero { padding-top: 90px; padding-bottom: 8rem; } }

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../assets/media/hero.webp");
  background-repeat: no-repeat;
  background-position: 14% -60px;
  background-size: 210% auto;
}
@media (min-width: 640px) {
  .hero::before { background-position: -125px -136px; background-size: 1100px auto; }
}
@media (min-width: 1024px) {
  .hero::before { background-position: -6% 18%; background-size: 68% auto; }
}
@media (min-width: 1440px) {
  .hero::before { background-position: -4% 16%; background-size: 58% auto; }
}

.hero__inner {
  position: relative;
  z-index: 10;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.hero__top {
  display: grid;
  flex: 1;
  align-content: start;
  align-items: start;
  gap: 1.5rem;
  padding-top: 5rem;
}
@media (min-width: 640px) {
  .hero__top { align-content: stretch; align-items: center; gap: 3rem; padding-top: 0; }
}
@media (min-width: 1024px) {
  .hero__top { grid-template-columns: 3fr 2fr; gap: 5rem; }
}

.hero__wordmark {
  height: 34px;
  width: auto;
  margin-bottom: 0.5rem;
}
@media (min-width: 640px) { .hero__wordmark { height: 41px; margin-bottom: 0.625rem; } }
@media (min-width: 1024px) { .hero__wordmark { height: 56px; margin-bottom: 0.75rem; } }

.hero__title {
  margin-top: 0;
  max-width: 48rem;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.055em;
  color: var(--color-fg);
}
@media (min-width: 640px) { .hero__title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero__title { font-size: 66px; } }
.hero__title span { display: block; }

.hero__lead-col { max-width: 28rem; padding-bottom: 0.25rem; }
@media (min-width: 1024px) { .hero__lead-col { margin-bottom: 0.25rem; } }
.hero__lead {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--neutral-600);
}
@media (min-width: 640px) { .hero__lead { font-size: 1.125rem; } }

.hero__cta-row {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
@media (min-width: 640px) { .hero__cta-row { margin-top: 2.25rem; } }

.btn-primary {
  display: inline-flex;
  align-self: flex-start;
  border-radius: var(--radius-control);
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-black-20-lg);
  transition: transform var(--duration-150) var(--ease-default),
              background-color var(--duration-200) var(--ease-default);
}
@media (min-width: 640px) { .btn-primary { padding: 0.75rem 1.25rem; font-size: 1rem; } }
.btn-primary:hover { transform: translateY(-0.125rem); background-color: var(--neutral-800); }
.btn-primary:active { transform: scale(0.95); }

.hero__features {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding-top: 1.5rem;
  padding-bottom: 0.25rem;
}
@media (min-width: 768px) {
  .hero__features {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--border-black-10);
    padding-top: 1.75rem;
  }
}
.hero__feature {
  border-left: 1px solid var(--border-black-10);
  padding: 0.25rem 0 0.25rem 1rem;
}
@media (min-width: 768px) {
  .hero__feature { padding: 0 0 0 0; border-left: none; }
  .hero__feature:not(:first-child) { padding-left: 1.5rem; border-left: 1px solid var(--border-black-10); }
}
.hero__feature h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-900);
}
@media (min-width: 640px) { .hero__feature h3 { font-size: 1.125rem; } }
.hero__feature p {
  margin-top: 0.375rem;
  max-width: 20rem;
  font-size: 0.75rem;
  line-height: 1.625;
  color: var(--neutral-500);
}
@media (min-width: 640px) { .hero__feature p { margin-top: 0.5rem; font-size: 0.875rem; } }

/* ==========================================================================
   QUÉ HACEMOS
   ========================================================================== */
.section { position: relative; overflow: hidden; background-color: var(--color-bg); padding: 6rem 0; }
@media (min-width: 640px) { .section { padding: 8rem 0; } }

.section-head {
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .section-head { margin-bottom: 4rem; gap: 2rem; } }
@media (min-width: 768px) { .section-head { grid-template-columns: repeat(12, 1fr); } }
@media (min-width: 1024px) { .section-head { margin-bottom: 6rem; gap: 2rem; } }
.section-head__title { grid-column: span 12; }
@media (min-width: 768px) { .section-head__title { grid-column: span 7; } }
.section-head__desc {
  display: flex;
  align-items: flex-start;
  max-width: 36rem;
  grid-column: span 12;
}
@media (min-width: 768px) { .section-head__desc { grid-column: span 5; padding-left: 1.5rem; padding-top: 2rem; } }
@media (min-width: 1024px) { .section-head__desc { padding-left: 2.5rem; padding-top: 2.25rem; } }
.section-head__desc p { border-left: 1px solid var(--border-black-10); padding-left: 1.25rem; }
@media (min-width: 640px) { .section-head__desc p { padding-left: 1.5rem; } }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(12, 1fr); grid-template-rows: 340px 340px; gap: 2rem; }
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 1.75rem;
  min-height: 340px;
  transition: transform var(--duration-300) var(--ease-default);
}
@media (min-width: 640px) { .service-card { padding: 2rem; } }
.service-card:hover { transform: translateY(-0.25rem); }
.service-card::before {
  content: "";
  position: absolute;
  top: -4rem; right: -4rem;
  height: 12rem; width: 12rem;
  border-radius: 9999px;
  background-color: rgba(255,255,255,0.06);
  filter: blur(var(--blur-3xl));
  pointer-events: none;
}

.service-card--01 { grid-column: span 4 / span 4; background: linear-gradient(to bottom right, var(--neutral-700), var(--neutral-900), var(--color-black)); color: var(--color-white); }
.service-card--02 { grid-column: span 4 / span 4; background-color: var(--color-white); color: var(--neutral-950); }
.service-card--03 { grid-column: span 4 / span 4; min-height: 280px; background: linear-gradient(to bottom right, var(--grad-red-from), var(--grad-red-via), var(--grad-red-to)); color: var(--color-white); }
.service-card--04 { grid-column: span 4 / span 4; background-color: var(--neutral-950); color: var(--color-white); }
.service-card--05 { grid-column: span 4 / span 4; background-color: var(--color-card-alt-bg); color: var(--neutral-950); }

@media (min-width: 1024px) {
  .service-card--01 { grid-row-start: 1; }
  .service-card--02 { grid-row-start: 2; }
  .service-card--03 { grid-column: 5 / span 4; grid-row: 1 / span 2; }
  .service-card--04 { grid-column: 9 / span 4; grid-row-start: 1; }
  .service-card--05 { grid-column: 9 / span 4; grid-row-start: 2; }
}

.service-card__top {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.service-card__eyebrow { font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.75rem; letter-spacing: 0.14em; }
.service-card--01 .service-card__eyebrow,
.service-card--04 .service-card__eyebrow { color: rgba(255,255,255,0.55); }
.service-card--02 .service-card__eyebrow,
.service-card--05 .service-card__eyebrow { color: var(--neutral-600); } /* neutral-400 no cumple 4.5:1 sobre --color-card-alt-bg (#E9E9E6) */
.service-card--03 .service-card__eyebrow { color: rgba(255,255,255,0.65); }

.service-card__dot { height: 0.625rem; width: 0.625rem; border-radius: 9999px; background-color: var(--color-primary); }
.service-card--03 .service-card__dot { background-color: var(--color-white); }

.service-card__body { position: relative; margin-top: 2.5rem; }
.service-card--03 .service-card__body { margin-top: 2rem; }
@media (min-width: 1024px) { .service-card__body { margin-top: 2rem; } }
.service-card__body { padding-bottom: 2.5rem; }
.service-card--03 .service-card__body { padding-bottom: 0; }

.service-card__body h3 {
  font-weight: 600;
  letter-spacing: -0.035em;
  max-width: 28rem;
  font-size: 1.875rem;
  line-height: 1.02;
}
.service-card--03 .service-card__body h3 { max-width: 24rem; font-size: 2.25rem; line-height: 0.96; }
@media (min-width: 640px) { .service-card--03 .service-card__body h3 { font-size: 3rem; } }
@media (min-width: 1024px) { .service-card--03 .service-card__body h3 { font-size: 3.35rem; } }

.service-card__body p { margin-top: 1.5rem; max-width: 32rem; font-size: 0.875rem; line-height: 1.625; }
.service-card--02 .service-card__body p,
.service-card--05 .service-card__body p { color: var(--neutral-600); }
.service-card--01 .service-card__body p,
.service-card--03 .service-card__body p,
.service-card--04 .service-card__body p { color: rgba(255,255,255,0.72); }

.service-card__footer { position: relative; margin-top: auto; padding-top: 1.25rem; border-top: 1px solid; }
.service-card--01 .service-card__footer,
.service-card--04 .service-card__footer { border-color: rgba(255,255,255,0.2); }
.service-card--02 .service-card__footer,
.service-card--05 .service-card__footer { border-color: var(--border-black-15); }
.service-card--03 .service-card__footer { border-color: rgba(255,255,255,0.25); }
.service-card__footer p { font-size: 0.75rem; font-weight: 500; line-height: 1.625; }
.service-card--01 .service-card__footer p,
.service-card--04 .service-card__footer p { color: rgba(255,255,255,0.7); }
.service-card--02 .service-card__footer p,
.service-card--05 .service-card__footer p { color: var(--neutral-500); }
.service-card--03 .service-card__footer p { color: rgba(255,255,255,0.8); }

.section-cta-row { margin-top: 2.5rem; display: flex; justify-content: flex-end; }
.btn-dark {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-control);
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color var(--duration-200) var(--ease-default);
}
.btn-dark:hover { background-color: var(--neutral-800); }

/* ==========================================================================
   ENFOQUE
   ========================================================================== */
.approach-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
@media (min-width: 1024px) {
  .approach-layout { grid-template-columns: minmax(0,2fr) minmax(0,3fr); gap: 4rem; }
}
@media (min-width: 1280px) { .approach-layout { gap: 5rem; } }

.approach-intro { }
@media (min-width: 1024px) {
  .approach-intro { position: sticky; top: 7rem; align-self: start; }
}
.approach-intro h2 { max-width: 12ch; }
.approach-intro > p { margin-top: 1.75rem; max-width: 32rem; }

.approach-visual {
  position: relative;
  margin-top: 2.5rem;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid var(--border-black-10);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lovable-card);
  background: linear-gradient(to bottom right, var(--neutral-700), var(--neutral-900), var(--color-black));
  color: var(--color-white);
  padding: 1.75rem;
}
@media (min-width: 640px) { .approach-visual { margin-top: 3rem; min-height: 320px; padding: 2.25rem; } }
@media (min-width: 1024px) { .approach-visual { min-height: 300px; } }
@media (min-width: 1280px) { .approach-visual { min-height: 340px; } }

.approach-visual__content {
  position: relative;
  z-index: 10;
  display: flex;
  height: 100%;
  min-height: 226px;
  max-width: 16rem;
  flex-direction: column;
}
@media (min-width: 640px) { .approach-visual__content { min-height: 248px; } }
@media (min-width: 1024px) { .approach-visual__content { min-height: 236px; } }
@media (min-width: 1280px) { .approach-visual__content { min-height: 276px; } }
.approach-visual__eyebrow { font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.75rem; letter-spacing: 0.14em; color: rgba(255,255,255,0.55); }
.approach-visual__title { margin-top: 2.5rem; max-width: 12rem; font-size: 1.875rem; font-weight: 600; line-height: 1.02; letter-spacing: -0.035em; color: var(--color-white); }
@media (min-width: 1024px) { .approach-visual__title { margin-top: 2rem; } }
.approach-visual__text { margin-top: 1.5rem; max-width: 13rem; font-size: 0.875rem; line-height: 1.625; color: rgba(255,255,255,0.72); }
.approach-visual__footer { margin-top: auto; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 1.25rem; }
.approach-visual__footer p { font-size: 0.75rem; font-weight: 500; line-height: 1.625; color: rgba(255,255,255,0.7); }
.approach-visual__image {
  pointer-events: none;
  position: absolute;
  inset: 0;
  height: 100%;
  width: 100%;
  object-fit: cover;
  object-position: 78% center;
}
@media (min-width: 640px) { .approach-visual__image { object-position: 72% center; } }
@media (min-width: 1024px) { .approach-visual__image { object-position: 68% center; } }
.approach-visual__overlay {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(23,23,23,0.95), rgba(23,23,23,0.8), transparent);
}

.approach-steps { position: relative; }
.approach-steps__line {
  position: absolute;
  top: 1.5rem; bottom: 4rem; left: 17px;
  width: 1px;
  background-color: var(--border-black-10);
}
@media (min-width: 640px) { .approach-steps__line { left: 27px; } }
@media (min-width: 1280px) { .approach-steps__line { left: 31px; } }

.approach-step {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  column-gap: 1.25rem;
  row-gap: 1.25rem;
  border-bottom: 1px solid var(--border-black-10);
  padding: 2.5rem 0;
}
.approach-step:first-child { padding-top: 0; }
.approach-step:last-child { border-bottom: none; }
@media (min-width: 640px) { .approach-step { grid-template-columns: 54px minmax(0,1fr); column-gap: 1.75rem; padding: 3rem 0; } }
@media (min-width: 1280px) {
  .approach-step { min-height: 190px; grid-template-columns: 62px 190px minmax(0,1fr); column-gap: 1.5rem; padding: 2.25rem 0; }
}

.approach-step__marker {
  position: relative;
  z-index: 10;
  grid-row: span 2 / span 2;
  display: flex;
  height: 34px; width: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background-color: var(--color-bg);
  box-shadow: 0 0 0 11px rgba(23,23,23,0.025);
}
@media (min-width: 640px) { .approach-step__marker { height: 54px; width: 54px; box-shadow: 0 0 0 14px rgba(23,23,23,0.025); } }
.approach-step__marker span { height: 0.625rem; width: 0.625rem; border-radius: 9999px; background-color: var(--color-primary); }
@media (min-width: 640px) { .approach-step__marker span { height: 0.75rem; width: 0.75rem; } }

.approach-step__head { padding-top: 0.125rem; }
@media (min-width: 1280px) { .approach-step__head { padding-top: 0.25rem; } }
.approach-step__num { font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; color: var(--neutral-500); }
.approach-step__head h3 { margin-top: 0.25rem; font-size: 1.875rem; font-weight: 600; line-height: 1; letter-spacing: -0.04em; color: var(--neutral-950); }
.approach-step__rule { margin-top: 1.25rem; display: block; height: 1px; width: 2.25rem; background-color: var(--border-black-45); }

.approach-step__body { grid-column: 2 / 3; }
@media (min-width: 1280px) { .approach-step__body { grid-column: 3 / 4; padding-top: 0.25rem; } }
.approach-step__lead { font-size: 1rem; font-weight: 500; line-height: 1.375; color: var(--neutral-800); }
.approach-step__desc { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.625; color: var(--neutral-600); }
.approach-step__tags { margin-top: 1.5rem; font-size: 0.75rem; font-weight: 500; line-height: 1.625; color: var(--neutral-500); }

/* ==========================================================================
   EXPERIENCIA
   ========================================================================== */
.cases-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 1024px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-radius: var(--radius-case);
  border: 1px solid var(--border-black-10);
  background-color: var(--neutral-950);
  color: var(--color-white);
  box-shadow: var(--shadow-experience-card);
}
.case-card__image {
  position: absolute;
  inset: 0;
  height: 100%; width: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--duration-500) var(--ease-default);
}
.case-card:hover .case-card__image { transform: scale(1.015); }
.case-card__overlay-1 { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,0.42), rgba(0,0,0,0.05), rgba(0,0,0,0.95)); }
.case-card__overlay-2 { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,1), rgba(0,0,0,0.75), transparent); }

.case-card__content { position: relative; display: flex; min-height: 620px; flex-direction: column; padding: 1.75rem; }
@media (min-width: 640px) { .case-card__content { padding: 2rem; } }
.case-card__top { display: flex; align-items: flex-start; justify-content: space-between; }
.case-card__concept { font-size: 0.875rem; font-weight: 700; color: var(--color-white); }
.case-card__dots { display: flex; align-items: center; gap: 0.375rem; }
.case-card__dots span { height: 0.625rem; width: 0.625rem; border-radius: 9999px; background-color: var(--color-primary); }

.case-card__bottom { margin-top: auto; }
.case-card__bottom h3 { max-width: 24rem; font-size: 1.875rem; font-weight: 600; line-height: 1.02; letter-spacing: -0.035em; color: var(--color-white); }
.case-card__bottom > p { margin-top: 1.25rem; font-size: 0.875rem; line-height: 1.625; color: rgba(255,255,255,0.72); }

.case-card__specs { margin-top: 1.75rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; border-top: 1px solid rgba(255,255,255,0.25); padding-top: 1.25rem; }
.case-card__specs .label { display: block; font-size: 10px; font-family: ui-monospace, SFMono-Regular, monospace; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,0.45); }
.case-card__specs .value { margin-top: 0.5rem; display: block; font-size: 1.125rem; font-weight: 500; line-height: 1.2; color: var(--color-white); }

.btn-dark-outline {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-control);
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color var(--duration-200) var(--ease-default);
}
.btn-dark-outline:hover { background-color: var(--neutral-800); }

/* ==========================================================================
   HABLAMOS
   ========================================================================== */
.section--hablamos { background-color: var(--color-secondary-bg); }

.contact-layout { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: start; }
@media (min-width: 1024px) { .contact-layout { grid-template-columns: repeat(12, 1fr); gap: 4rem; } }

.contact-info { }
@media (min-width: 1024px) { .contact-info { grid-column: span 5; } }
.contact-info p.lead { margin-top: 1rem; }
.contact-info__desc { margin-top: 1.75rem; max-width: 28rem; line-height: 1.625; color: var(--neutral-500); }

.contact-steps { margin: 2.5rem 0 0; padding: 1.75rem 0 0; list-style: none; display: flex; flex-direction: column; gap: 1.5rem; border-top: 1px solid var(--border-black-10); }
.contact-step { display: flex; align-items: flex-start; gap: 1rem; }
.contact-step__num { flex-shrink: 0; padding-top: 0.1875rem; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; color: var(--color-primary); }
.contact-step__title { font-size: 0.875rem; font-weight: 600; color: var(--neutral-900); }
.contact-step__desc { margin-top: 0.25rem; font-size: 0.875rem; line-height: 1.625; color: var(--neutral-500); }

.contact-form-card { background-color: rgba(255,255,255,0.7); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); padding: 1.75rem; }
@media (min-width: 640px) { .contact-form-card { padding: 2.5rem; } }
@media (min-width: 1024px) { .contact-form-card { grid-column: span 7; } }

.contact-form-card__head { margin-bottom: 1.75rem; border-top: 1px solid rgba(0,0,0,0.15); padding-top: 1rem; }
.contact-form-card__head p { font-size: 1rem; font-weight: 600; letter-spacing: -0.015em; color: var(--neutral-950); }
@media (min-width: 640px) { .contact-form-card__head p { font-size: 1.125rem; } }

.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }
.form-row { margin: 0; }
.form-row--full { grid-column: 1 / -1; }
.hp-field {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}
.form-label { display: block; font-size: 0.875rem; font-weight: 600; letter-spacing: -0.01em; color: var(--neutral-950); }
.form-control {
  margin-top: 0.5rem;
  width: 100%;
  border: 1px solid var(--border-black-10);
  background-color: rgba(255,255,255,0.7);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--neutral-900);
  font-family: inherit;
  transition: border-color var(--duration-200) var(--ease-default), box-shadow var(--duration-200) var(--ease-default);
}
.form-control::placeholder { color: var(--neutral-400); }
.form-control:focus { outline: none; border-color: var(--color-black); box-shadow: 0 0 0 3px rgba(0,0,0,0.35); }
.form-control[aria-invalid="true"] { border-color: #b91c1c; }
textarea.form-control { resize: none; }

.form-error { margin-top: 0.375rem; font-size: 0.75rem; font-weight: 500; color: #b91c1c; }
.form-error:empty { display: none; margin: 0; }

.contact-form { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1.5rem; }
.contact-form__submit-row { }
.btn-submit {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 1rem 0;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2), 0 4px 6px -4px rgba(0,0,0,0.2);
  transition: background-color var(--duration-200) var(--ease-default), transform var(--duration-150) var(--ease-default);
}
.btn-submit:hover { transform: translateY(-0.125rem); background-color: var(--neutral-800); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.contact-form__hint { margin-top: 1rem; text-align: center; font-size: 11px; color: var(--neutral-400); }

.contact-success { display: none; border-top: 1px solid var(--border-black-10); padding: 4rem 0; text-align: center; }
.contact-success.is-visible { display: block; }
.contact-success__icon { margin: 0 auto; display: flex; height: 4rem; width: 4rem; align-items: center; justify-content: center; border-radius: 9999px; background-color: rgba(255,26,42,0.1); color: var(--color-primary); }
.contact-success__icon svg { width: 2rem; height: 2rem; }
.contact-success h3 { margin-top: 1.5rem; font-size: 1.875rem; font-weight: 700; color: var(--neutral-950); }
.contact-success p { margin: 1rem auto 0; max-width: 28rem; color: var(--neutral-600); }
.contact-success button { margin-top: 1.75rem; font-size: 0.875rem; font-weight: 600; color: var(--color-black); text-decoration: none; background: none; }
.contact-success button:hover { text-decoration: underline; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { border-top: 1px solid var(--border-black-10); background-color: var(--color-white); padding: 3.5rem 0; color: var(--neutral-500); }
.footer-grid { margin-bottom: 3rem; display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(12, 1fr); } }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; }
@media (min-width: 768px) { .footer-brand { grid-column: span 5; } }
.footer-brand img { height: 1.75rem; width: auto; }
.footer-brand p { max-width: 24rem; font-size: 0.875rem; line-height: 1.625; }
.footer-col { }
@media (min-width: 768px) { .footer-col--nav { grid-column: span 3; } .footer-col--specialties { grid-column: span 4; } }
.footer-col h3 { margin-bottom: 1rem; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--neutral-900); }
.footer-nav-list { display: flex; flex-direction: column; gap: 0.625rem; font-size: 0.875rem; }
.footer-nav-list a { transition: color var(--duration-200) var(--ease-default); }
.footer-nav-list a:hover { color: var(--color-primary); }
.footer-specialties-list { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.75rem; }
.footer-specialties-list li { display: flex; align-items: center; gap: 0.5rem; }
.footer-specialties-list li::before { content: ""; height: 0.375rem; width: 0.375rem; border-radius: 9999px; background-color: var(--color-primary); flex-shrink: 0; }
.footer-bottom { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--border-black-10); padding-top: 1.75rem; font-size: 0.75rem; color: var(--neutral-400); }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; } }

/* ==========================================================================
   TOASTS (equivalente nativo al feedback del formulario)
   ========================================================================== */
.toast-viewport {
  position: fixed;
  z-index: 100;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(356px, calc(100vw - 2rem));
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  background-color: var(--color-white);
  color: var(--neutral-900);
  border: 1px solid var(--border-black-10);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-200) var(--ease-default), transform var(--duration-200) var(--ease-default);
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast__icon { flex-shrink: 0; width: 1.125rem; height: 1.125rem; margin-top: 0.0625rem; }
.toast--success .toast__icon { color: #22c55e; }
.toast--error .toast__icon { color: #ef4444; }

/* ==========================================================================
   MOBILE TYPE SCALE (paridad con el override React en breakpoints <640px)
   ========================================================================== */
@media (max-width: 639px) {
  .hero__title { font-size: 2.5rem !important; line-height: 0.96 !important; }
  .hero__lead { font-size: 0.875rem !important; line-height: 1.5 !important; }
  .hero__feature p { font-size: 0.75rem !important; line-height: 1.45 !important; }
  .hero__feature h3 { font-size: 0.875rem !important; line-height: 1.15 !important; }

  h1.hero__title, .section-title { line-height: 0.98; }
  h3.font-heading, .approach-step__head h3 { line-height: 1.1; }

  .section-title { font-size: 2.25rem !important; line-height: 0.98 !important; }
  section p { font-size: 0.875rem !important; line-height: 1.5 !important; }
  section p.section-side-description { font-size: 0.875rem !important; font-weight: 400 !important; line-height: 1.625 !important; }
  section .service-card__eyebrow,
  section .case-card__specs .label { font-size: 0.6875rem !important; }
}