/* ============================================================
   base.css — gaxoblanco.com v2
   Estilos base + tokens + componentes + secciones completas
   ============================================================ */


/* ─── RESET ──────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul, ol { list-style: none; }

button {
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

input, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

details, summary {
  list-style: none;
}

details > summary::-webkit-details-marker {
  display: none;
}


/* ─── TOKENS ─────────────────────────────────────────────── */

:root {
  /* Fondos */
  --bg-base:        #0A0A0F;
  --bg-surface:     #0F0F1A;
  --bg-card:        #13131F;

  /* Acentos */
  --accent-green:   #6EE7B7;
  --accent-yellow:  #FCD34D;
  --accent-red:     #F87171;

  /* Texto */
  --text-primary:   #F1F5F9;
  --text-muted:     #94A3B8;   /* ratio 7.5 sobre bg-base — AAA ✅ (era #64748B, ratio 4.1) */
  --text-subtle:    #475569;   /* ratio 3.4 sobre bg-base — decorativo únicamente (era #334155, ratio 1.9 ❌) */

  /* Bordes */
  --border:         #1E293B;
  --border-subtle:  #0F172A;

  /* Tipografía */
  --font-sans:      'DM Sans', system-ui, sans-serif;
  --font-mono:      'DM Mono', 'JetBrains Mono', monospace;

  /* Escala tipográfica */
  --text-display:   clamp(42px, 6.5vw, 68px);
  --text-h2:        clamp(28px, 4vw, 44px);
  --text-h3:        22px;
  --text-body:      17px;
  --text-small:     14px;
  --text-xs:        12px;

  /* Espaciado */
  --section-py:     clamp(5rem, 9vw, 7rem);
  --container:      1080px;
  --gap:            1.5rem;

  /* Bordes redondeados */
  --radius:         10px;
  --radius-sm:      5px;
  --radius-pill:    100px;

  /* Glows */
  --glow-green:     0 0 30px rgba(110, 231, 183, 0.18);
  --glow-violet:    0 0 30px rgba(129, 140, 248, 0.18);

  /* Overlays de fondo */
  --overlay: linear-gradient(
    105deg,
    rgba(10, 10, 15, 0.95) 0%,
    rgba(10, 10, 15, 0.82) 55%,
    rgba(10, 10, 15, 0.45) 100%
  );
  --overlay-dense: rgba(10, 10, 15, 0.92);

  /* Transiciones globales */
  --transition: 0.22s ease;
  --transition-slow: 0.4s ease;
}


/* ─── TIPOGRAFÍA BASE ────────────────────────────────────── */

h1, h2, h3, h4 {
  font-weight: 500;          /* DM Sans medium — más refinado que bold en dark */
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

h1 em {
  font-style: italic;
  color: var(--accent-green);
  font-weight: 300;          /* Contraste de peso: headline 500, énfasis 300 */
}

p {
  color: var(--text-muted);
  line-height: 1.75;
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
}


/* ─── LAYOUT ─────────────────────────────────────────────── */

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

/* Sección base */
.section {
  position: relative;
  padding: var(--section-py) 0;
  overflow: hidden;
}

/* Sección con imagen de fondo + parallax */
.section--bg {
  background-size: cover;
  background-position: center 50%;
  background-repeat: no-repeat;
  background-attachment: scroll; /* JS ajusta en desktop */
}

/* Overlay sobre la imagen de fondo */
.section--bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--overlay);
  z-index: 0;
}

/* El contenido flota sobre el overlay */
.section--bg > .container {
  position: relative;
  z-index: 1;
}

/* Overlay más denso para secciones con texto denso */
.section--dense::before {
  background: var(--overlay-dense);
}

.section--about::before {
  background: linear-gradient(
    to right,
    rgba(10, 10, 15, 0.92) 0%,
    rgba(10, 10, 15, 0.70) 45%,
    rgba(10, 10, 15, 0.88) 100%
  );
}


/* ─── IMÁGENES DE FONDO POR SECCIÓN ─────────────────────── */
/* Rutas relativas — ajustar si la estructura cambia         */

.section--hero     { background-image: url('../assets/img/bg-hero.png'); }
.section--about    { background-image: url('../assets/img/bg-about.png'); background-position: center right; }
.section--projects { background-image: none; background-color: var(--bg-surface); }
.section--services { background-image: none; background-color: var(--bg-base); }
.section--bots     { background-image: none; background-color: var(--bg-surface); }
.section--contact  { background-image: url('../assets/img/bg-contact.png'); }


/* ─── NAV ────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  transition:
    background var(--transition-slow),
    border-color var(--transition-slow),
    backdrop-filter var(--transition-slow);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* Logo — fuente mono, el cursor parpadeante es el punto de marca */
.nav__logo {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  transition: opacity var(--transition);
}

.nav__logo span {
  color: var(--accent-green);
}

.nav__logo:hover { opacity: 0.7; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

/* Línea bajo el link en hover */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent-green);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

/* Dot de disponibilidad */
.nav__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot--green {
  background: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(110, 231, 183, 0.15);
  animation: pulse-green 2.5s ease-in-out infinite;
}

.dot--yellow {
  background: var(--accent-yellow);
  box-shadow: 0 0 0 3px rgba(252, 211, 77, 0.15);
}

.dot--red {
  background: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 3px rgba(110, 231, 183, 0.15); }
  50%       { box-shadow: 0 0 0 6px rgba(110, 231, 183, 0.05); }
}


/* ─── HERO ───────────────────────────────────────────────── */

/* La section es el contexto de posicionamiento del terminal */
.section--hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 60px;
  overflow: hidden;      /* terminal no rompe el scroll */
}

/* Container — solo posiciona el copy, sin altura forzada */
.hero__container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* Copy — max 55% del ancho para dejar espacio visual al terminal */
.hero__content {
  position: relative;
  max-width: 580px;
}

/* Número lateral */
.hero__num {
  position: absolute;
  left: -2.5rem;
  top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-subtle);
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  opacity: 0;
  animation: fade-up 0.5s ease 0.1s forwards;
}

/* Eyebrow */
.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(8px);
  animation: fade-up 0.6s ease 0.15s forwards;
}

.eyebrow__sep { color: var(--text-subtle); font-size: 10px; }

/* Headline 3 niveles */
.hero__headline {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(12px);
  animation: fade-up 0.7s ease 0.3s forwards;
}

.hero__headline-top {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.hero__headline-mid {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 0.95;
  margin-bottom: 0.1rem;
}

.hero__headline-em {
  font-size: clamp(24px, 3.5vw, 48px);
  font-weight: 300;
  font-style: normal;
  text-transform: lowercase;
  color: var(--accent-green);
  line-height: 1.15;
}

/* Body */
.hero__body {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(10px);
  animation: fade-up 0.7s ease 0.45s forwards;
}

.hero__body-em { color: var(--accent-green); }

/* CTAs */
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 2.25rem;
  opacity: 0;
  animation: fade-up 0.6s ease 0.6s forwards;
}

/* Sociales */
.hero__socials {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  opacity: 0;
  animation: fade-up 0.6s ease 0.75s forwards;
}

.hero__socials-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.social__icons { display: flex; gap: 0.5rem; }

.social__icon-link {
  width: 44px;           /* mínimo AAA 44x44px */
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.social__icon-link:hover {
  color: var(--accent-green);
  border-color: rgba(110, 231, 183, 0.3);
  background: rgba(110, 231, 183, 0.05);
}

/* Nav links — área de toque mínima 44px de alto */
.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 0.25rem;
}

/* ─── TERMINAL ───────────────────────────────────────────── */
/* Relativo a .section--hero — usa vw/vh para respetar       */
/* el ancho real de la pantalla, no el container             */
/* Ajustá right y bottom para mover la caja                  */

.hero__terminal {
  position: absolute;
  bottom: 10vh;
  right: 5vw;
  width: 320px;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
  z-index: 2;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(16px);
  animation: fade-up 0.8s ease 0.9s forwards;
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.875rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 10px; height: 10px;
  border-radius: 50%; flex-shrink: 0;
}

.terminal__dot--red    { background: #FF5F57; }
.terminal__dot--yellow { background: #FFBD2E; }
.terminal__dot--green  { background: #28C840; }

.terminal__title {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
  letter-spacing: 0.04em;
}

.terminal__body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.terminal__cmd {
  font-size: 0.8125rem;
  color: var(--accent-green);
  margin-bottom: 0.2rem;
}

.terminal__line {
  font-size: 0.8125rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.4;
}

.terminal__prompt { color: var(--accent-green); flex-shrink: 0; }

.terminal__cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--accent-green);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fade-up 0.6s ease 1.2s forwards;
}

.scroll-hint__line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--accent-green));
  opacity: 0.4;
}

.scroll-hint__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 900px) {
  /* Terminal baja al flujo — aparece debajo del copy */
  .hero__terminal {
    position: static;
    width: 100%;
    max-width: 420px;
    margin-top: 2.5rem;
    opacity: 1;
    transform: none;
    animation: none;
  }

  /* Hero container como flex column en tablet */
  .hero__container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 5rem;
  }

  .hero__num { display: none; }
}

@media (max-width: 600px) {
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { text-align: center; justify-content: center; }
  .hero__content { max-width: 100%; }
  .hero__terminal { max-width: 100%; }
}

/* ─── BOTONES ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
}

.btn--primary {
  background: transparent;
  color: #060608;
  border: none;
  position: relative;
  isolation: isolate;
}

/* SVG como fondo absoluto — se deforma para cubrir el área exacta del botón */
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/img/button-bg.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  z-index: -1;
  transition: filter var(--transition);
  border-radius: var(--radius-sm);
}

.btn--primary:hover {
  transform: translateY(-1px);
}

.btn--primary:hover::before {
  filter: brightness(1.1);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--primary:active::before {
  filter: brightness(0.95);
}

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

.btn--outline:hover {
  border-color: var(--text-muted);
  background: rgba(241, 245, 249, 0.04);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 0.9rem 1.8rem;
  font-size: 0.8125rem;
}

/* Botón largo — SVG propio con proporción correcta */
.btn--lg.btn--primary::before {
  background-image: url('../assets/img/button-bg-lg.svg');
  border-radius: var(--radius-sm);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}


/* ─── BADGES ─────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  width: fit-content;
}

.badge__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge--green {
  color: var(--accent-green);
  background: rgba(110, 231, 183, 0.08);
  border: 1px solid rgba(110, 231, 183, 0.18);
}

.badge--green .badge__dot {
  background: var(--accent-green);
  animation: pulse-green 2.5s ease-in-out infinite;
}

.badge--yellow {
  color: var(--accent-yellow);
  background: rgba(252, 211, 77, 0.08);
  border: 1px solid rgba(252, 211, 77, 0.18);
}

.badge--yellow .badge__dot {
  background: var(--accent-yellow);
}

.badge--red {
  color: var(--accent-red);
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.18);
}


/* ─── TAGS (tecnologías) ─────────────────────────────────── */

.tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  transition: color var(--transition), border-color var(--transition);
}

.tag:hover {
  color: var(--text-primary);
  border-color: var(--text-subtle);
}


/* ─── LABELS Y TÍTULOS DE SECCIÓN ───────────────────────── */

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.75;
}

/* Prefijo > antes del label */
.section-label::before {
  content: '>';
  opacity: 0.5;
}

.section-title {
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: var(--text-body);
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.75;
}


/* ─── CARDS (base) ───────────────────────────────────────── */

.card {
  background: rgba(19, 19, 31, 0.75);   /* bg-card con algo de transparencia */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);

  /* Estado inicial para animación de entrada */
  opacity: 0;
  transform: translateY(16px);
}

/* Estado visible (agregado por JS con IntersectionObserver) */
.card.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    border-color var(--transition),
    box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(110, 231, 183, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Desactiva hover transform en cards que ya tienen is-visible */
.card.is-visible:hover {
  transform: translateY(-3px);
}

/* Card con borde punteado — estado "en desarrollo" */
.card--dashed {
  border-style: dashed;
  opacity: 0.45;
}


/* ─── ABOUT ──────────────────────────────────────────────── */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

/* Narrativa */
.about__arc {
  margin: 2rem 0;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.arc__step {
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.6;
  padding-left: 0.5rem;
  transition: color 0.3s ease;

  /* Entrada escalonada */
  opacity: 0;
  transform: translateX(-8px);
}

.arc__step.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    color 0.3s ease;
}

/* Escalonado por data-index */
.arc__step[data-index="1"].is-visible { transition-delay: 0.0s; }
.arc__step[data-index="2"].is-visible { transition-delay: 0.1s; }
.arc__step[data-index="3"].is-visible { transition-delay: 0.2s; }
.arc__step[data-index="4"].is-visible { transition-delay: 0.3s; }
.arc__step[data-index="5"].is-visible { transition-delay: 0.4s; }

/* Último paso — el resultado */
.arc__step--highlight {
  color: var(--text-primary) !important;
  font-weight: 500;
}

.about__claim {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--text-muted);
  line-height: 1.5;
  letter-spacing: -0.02em;
}

.about__claim strong {
  color: var(--text-primary);
  display: block;
}

/* Stats */
.about__stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-card {
  background: rgba(19, 19, 31, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--transition), transform var(--transition);

  opacity: 0;
  transform: translateX(12px);
}

.stat-card.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition);
}

.stat-card:nth-child(1).is-visible { transition-delay: 0s; }
.stat-card:nth-child(2).is-visible { transition-delay: 0.12s; }
.stat-card:nth-child(3).is-visible { transition-delay: 0.24s; }

.stat-card:hover {
  border-color: rgba(110, 231, 183, 0.15);
  transform: translateX(4px);
}

.stat-card--highlight {
  border-color: rgba(110, 231, 183, 0.15);
}

.stat-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 300;     /* Peso fino — los números grandes no necesitan peso */
  color: var(--accent-green);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.35rem;
}

.stat-card__value--text {
  /* Para "remote" — mismo tamaño pero texto */
  font-size: clamp(28px, 4vw, 38px);
}

.stat-card__suffix {
  font-size: 0.65em;
  opacity: 0.7;
}

.stat-card__num {
  /* El número que anima el counter */
  display: inline;
}

.stat-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}


/* ─── PROYECTOS ──────────────────────────────────────────── */

.projects__header {
  margin-bottom: 3rem;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-card__header {
  margin-bottom: 1.25rem;
}

.project-card__title {
  font-size: var(--text-h3);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-top: 0.6rem;
}

/* Lista de definiciones — Problema / Decisión / Resultado */
.project-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.project-card__row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.5rem;
  align-items: baseline;
}

.project-card__key {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding-top: 2px;    /* Alineación óptica con el valor */
}

.project-card__val {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Fila de resultado — highlight */
.project-card__row--result .project-card__val {
  color: var(--text-primary);
}

/* Métrica destacada dentro del resultado */
.metric {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--accent-yellow);
}

.metric__sep {
  color: var(--text-subtle);
  margin: 0 0.25rem;
}

/* Footer de la card: tags + link */
.project-card__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-card__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--accent-green);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap var(--transition), opacity var(--transition);
}

.project-card__link:hover {
  gap: 0.4rem;          /* La flecha se desplaza 2px al hacer hover */
  opacity: 0.8;
}

/* Card proyectos como flex column para empujar el footer al fondo */
.project-card {
  display: flex;
  flex-direction: column;
}

.project-card .project-card__body {
  flex: 1;
}


/* ─── PROYECTO HERO CARD (WhatsApp Bot) ─────────────────── */

/* La card principal ocupa el ancho completo */
.project-card--hero {
  margin-bottom: 1.25rem;
}

.project-card--hero__inner {
  display: grid;
  grid-template-columns: 1fr 380px;  /* copy · mockup */
  gap: 3rem;
  align-items: center;
}

.project-card--hero__copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Título con saltos de línea — más grande que card estándar */
.project-card--hero .project-card__title {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.project-card--hero__body {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.project-card--hero__decision {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 0.875rem;
  border-left: 2px solid rgba(110, 231, 183, 0.2);
  font-style: italic;
}

/* Métricas inline bajo el copy */
.project-hero__metrics {
  display: flex;
  gap: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hero-metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-metric__val {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 300;
  color: var(--accent-yellow);
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-metric__lbl {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Links del footer de la hero card */
.project-card__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Mockup WhatsApp dentro de la hero card */
.project-card--hero__mockup {
  flex-shrink: 0;
}

/* ─── PROYECTO RESEARCH CARD (Neural Net) ────────────────── */

.project-card--research {
  /* Sin margin-bottom extra — ya lo maneja el gap del grid */
}

.project-card--research__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.project-card--research__copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card--research__body {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ─── ROADMAP — acordeón interactivo ────────────────────── */
/* Para actualizar: cambiar style="width: X%" en el HTML    */
/* Para módulos: mod--done / mod--active / mod--pending     */

.project-card--research__roadmap {
  background: rgba(10, 10, 15, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.roadmap__title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

/* Rama individual */
.roadmap__branch {
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: background var(--transition);
}

.roadmap__branch.is-open {
  background: rgba(110, 231, 183, 0.03);
  border: 1px solid rgba(110, 231, 183, 0.1);
}

/* Header clickeable — es un <button> */
.roadmap__branch-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.roadmap__branch-header:hover {
  background: rgba(255, 255, 255, 0.03);
}

.roadmap__branch-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.roadmap__branch-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

/* Descripción breve de la rama — aparece siempre */
.roadmap__branch-desc {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.roadmap__branch-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.roadmap__branch-count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.roadmap__branch-arrow {
  font-size: 0.6875rem;
  color: var(--accent-green);
  transition: transform var(--transition);
  font-family: var(--font-mono);
}

/* Barra de progreso — siempre visible, bajo el header */
.roadmap__bar {
  height: 2px;
  background: var(--border);
  margin: 0 0.75rem;
  border-radius: 2px;
  overflow: hidden;
}

.roadmap__bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 1s ease 0.3s;
}

.roadmap__bar-fill--green  { background: var(--accent-green); }
.roadmap__bar-fill--violet { background: var(--accent-green); }

/* Body colapsable — lista de módulos */
.roadmap__branch-body {
  padding: 0.5rem 0.75rem 0.75rem;
}

/* Lista de módulos */
.roadmap__modules {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.roadmap__mod {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mod__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mod__name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.mod__status {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
}

/* Estados */
.mod--done .mod__dot    { background: var(--accent-green); }
.mod--done .mod__name   { color: var(--text-primary); }
.mod--done .mod__status { color: var(--accent-green); }

.mod--active .mod__dot  {
  background: var(--accent-yellow);
  box-shadow: 0 0 5px rgba(252, 211, 77, 0.5);
}
.mod--active .mod__name   { color: var(--text-primary); }
.mod--active .mod__status { color: var(--accent-yellow); font-style: italic; }

.mod--pending .mod__dot    { background: var(--border); }
.mod--pending .mod__name   { color: var(--text-muted); opacity: 0.55; }
.mod--pending .mod__status { color: var(--text-muted); opacity: 0.45; }

/* Responsive proyectos */
@media (max-width: 900px) {
  .project-card--hero__inner,
  .project-card--research__inner {
    grid-template-columns: 1fr;
  }

  .project-card--hero__mockup {
    display: none;  /* En mobile el mockup va en la sección de bots */
  }

  .project-hero__metrics {
    gap: 1.25rem;
  }
}

/* ─── SERVICIOS ──────────────────────────────────────────── */

.services__header {
  margin-bottom: 3rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(110, 231, 183, 0.07);
  border: 1px solid rgba(110, 231, 183, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  flex-shrink: 0;
}

.service-card__title {
  font-size: var(--text-h3);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

/* El dolor — texto muted, más pequeño */
.service-card__pain {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 0.75rem;
  border-left: 2px solid var(--border);
  font-style: italic;
}

/* El resultado — texto más claro, peso normal */
.service-card__result {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.65;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* CTA centrado bajo los cards */
.services__cta {
  display: flex;
  justify-content: center;
}


/* ─── BOTS DEMO ──────────────────────────────────────────── */

.bots__header {
  margin-bottom: 3rem;
}

.bots__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Una sola columna — panel centrado con ancho máximo */
.bots__grid--single {
  grid-template-columns: 1fr;
  max-width: 560px;
}

/* Panel A — Chatbot LLM */
.bots__chat-panel {
  background: rgba(19, 19, 31, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;  /* ocupa toda la celda del grid */
}

.bots__grid--two {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

.chat-panel__header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border);
}

.chat-panel__title {
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0.5rem 0 0.25rem;
}

.chat-panel__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Fallback estático */
.chat-fallback {
  padding: 1.5rem 1.75rem;
}

/* ── Chat messages area ── */
.chat__messages {
  flex: 1;
  min-height: 260px;
  max-height: 480px;  /* crece hasta igualar el panel WA, después scroll */
  overflow-y: auto;
  padding: 1.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
 
.chat__messages::-webkit-scrollbar { width: 4px; }
.chat__messages::-webkit-scrollbar-track { background: transparent; }
.chat__messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.chat-fallback__banner {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-yellow);
  background: rgba(252, 211, 77, 0.06);
  border: 1px solid rgba(252, 211, 77, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.chat-fallback__icon {
  font-size: 0.875rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.chat-fallback__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

/* FAQ accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: rgba(110, 231, 183, 0.18);
}

.faq-item__question {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: background var(--transition);
  user-select: none;
}

.faq-item__question:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Indicador +/– */
.faq-item__question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-green);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding: 0 1rem 0.875rem;
}

/* Panel B — WhatsApp Bot */
.bots__wa-panel {
  background: rgba(19, 19, 31, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.wa-panel__header {}

.wa-panel__title {
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0.5rem 0 0.25rem;
}

.wa-panel__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Stats del bot */
.wa-panel__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.wa-stat {
  background: rgba(10, 10, 15, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 0.75rem;
  text-align: center;

  opacity: 0;
  transform: translateY(8px);
}

.wa-stat.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.wa-stat:nth-child(1).is-visible { transition-delay: 0s; }
.wa-stat:nth-child(2).is-visible { transition-delay: 0.1s; }
.wa-stat:nth-child(3).is-visible { transition-delay: 0.2s; }

.wa-stat__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--accent-green);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.wa-stat__lbl {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Mockup de conversación WhatsApp */
.wa-mockup {
  background: #0C1317;     /* Color real de WhatsApp dark — no usar variable */
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.wa-mockup__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #1F2C34;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.wa-mockup__avatar {
  font-size: 1.375rem;
  line-height: 1;
}

.wa-mockup__name {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #E9EEF0;
}

.wa-mockup__status {
  display: block;
  font-size: 0.6875rem;
  color: #8696A0;
}

.wa-mockup__messages {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wa-msg {
  max-width: 82%;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.wa-msg--bot {
  background: #1F2C34;
  color: #E9EEF0;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.wa-msg--user {
  background: #005C4B;
  color: #E9EEF0;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

/* Timestamp entre bloques */
.wa-msg--meta {
  font-size: 0.625rem;
  color: #8696A0;
  text-align: center;
  align-self: center;
  padding: 0.1rem 0;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Mensaje de confirmación final — borde verde sutil */
.wa-msg--success {
  border: 1px solid rgba(110, 231, 183, 0.15);
}

/* Tagline dentro del mensaje de éxito */
.wa-msg__tagline {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.6875rem;
  color: #8696A0;
  font-style: italic;
}

.wa-panel__cta {
  margin-top: auto;
}


/* ─── CHAT RAG PANEL ─────────────────────────────────────── */

/* Grid — 2 columnas cuando hay ambos paneles */
.bots__grid--two {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 900px) {
  .bots__grid--two {
    grid-template-columns: 1fr;
  }
}

/* Área de mensajes */
.chat__messages {
  flex: 1;
  min-height: 260px;
  max-height: 480px;
  overflow-y: auto;
  padding: 1.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.chat__messages::-webkit-scrollbar        { width: 4px; }
.chat__messages::-webkit-scrollbar-track  { background: transparent; }
.chat__messages::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 2px; }

/* Burbujas */
.chat-msg {
  max-width: 88%;
  padding: 0.625rem 0.875rem;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.6;
}

.chat-msg--bot {
  background: rgba(110, 231, 183, 0.06);
  border: 1px solid rgba(110, 231, 183, 0.14);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}

.chat-msg--user {
  background: rgba(110, 231, 183, 0.04);
  border: 1px solid rgba(110, 231, 183, 0.10);
  color: var(--text-muted);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

.chat-msg--error {
  background: rgba(248, 113, 113, 0.07);
  border: 1px solid rgba(248, 113, 113, 0.14);
  color: var(--accent-red);
  align-self: flex-start;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

/* Typing indicator */
.chat-msg--typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.75rem 0.875rem;
  min-width: 52px;
}

.chat-msg--typing span {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-green);
  opacity: 0.4;
  animation: typing-dot 1.2s ease-in-out infinite;
}

.chat-msg--typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg--typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-dot {
  0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* Chips de preguntas sugeridas */
.chat__sugeridas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.chat__chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  background: transparent;
  text-align: left;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.chat__chip:hover {
  color: var(--accent-green);
  border-color: rgba(110, 231, 183, 0.3);
  background: rgba(110, 231, 183, 0.05);
}

/* Form de input */
.chat__form {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem;
}

.chat__input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
  line-height: 1.5;
}

.chat__input::placeholder {
  color: var(--text-subtle);
}

.chat__send {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-green);
  border-radius: 50%;
  color: #060608;
  cursor: pointer;
  margin-left: 0.75rem;
  transition: opacity var(--transition), transform var(--transition);
}

.chat__send:hover:not(:disabled) {
  opacity: 0.85;
  transform: scale(1.05);
}

.chat__send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}


/* ─── CONTACTO ───────────────────────────────────────────── */

.section--contact {
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.contact__inner {
  max-width: 560px;
  padding: 1rem 0;
}

.contact__availability {
  margin-bottom: 1.5rem;
}

.contact__headline {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact__sub {
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.contact__ctas {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.contact__alt-link {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-muted);
  transition: color var(--transition), gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.contact__alt-link:hover {
  color: var(--text-primary);
  gap: 0.4rem;
}

/* ── Burbujas ── */
.chat-msg {
  max-width: 88%;
  padding: 0.625rem 0.875rem;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.6;
}
 
.chat-msg--bot {
  background: rgba(129, 140, 248, 0.08);
  border: 1px solid rgba(129, 140, 248, 0.14);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}
 
.chat-msg--user {
  background: rgba(110, 231, 183, 0.08);
  border: 1px solid rgba(110, 231, 183, 0.14);
  color: var(--text-primary);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}
 
.chat-msg--error {
  background: rgba(248, 113, 113, 0.07);
  border: 1px solid rgba(248, 113, 113, 0.14);
  color: var(--accent-red);
  align-self: flex-start;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}
 
/* ── Typing indicator ── */
.chat-msg--typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.75rem 0.875rem;
  min-width: 52px;
}
 
.chat-msg--typing span {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-green);
  opacity: 0.4;
  animation: typing-dot 1.2s ease-in-out infinite;
}
 
.chat-msg--typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg--typing span:nth-child(3) { animation-delay: 0.4s; }
 
@keyframes typing-dot {
  0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}
 
/* ── Chips de preguntas sugeridas ── */
.chat__sugeridas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
 
.chat__chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  background: transparent;
  text-align: left;
}
 
.chat__chip:hover {
  color: var(--accent-green);
  border-color: rgba(129, 140, 248, 0.3);
  background: rgba(129, 140, 248, 0.05);
}
 
/* ── Form de input ── */
.chat__form {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem;
}
 
.chat__input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  line-height: 1.5;
}
 
.chat__input::placeholder {
  color: var(--text-subtle);
}
 
.chat__send {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-green);
  border-radius: 50%;
  color: #0A0A0F;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  margin-left: 0.75rem;
}
 
.chat__send:hover:not(:disabled) {
  opacity: 0.85;
  transform: scale(1.05);
}
 
.chat__send:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}
 
 
.badge__dot--violet {
  background: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.15);
  animation: pulse-violet 2.5s ease-in-out infinite;
}
 
@keyframes pulse-violet {
  0%, 100% { box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.15); }
  50%       { box-shadow: 0 0 0 6px rgba(129, 140, 248, 0.05); }
}


/* ─── FOOTER ─────────────────────────────────────────────── */

.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  padding: 1.75rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--text-primary);
}


/* ─── UTILIDADES ─────────────────────────────────────────── */

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

.text-green  { color: var(--accent-green); }
.text-violet { color: var(--accent-green); }
.text-yellow { color: var(--accent-yellow); }
.text-muted  { color: var(--text-muted); }
.text-mono   { font-family: var(--font-mono); }


/* ─── ACCESIBILIDAD ──────────────────────────────────────── */

:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Aria-live en chatbot */
[aria-live="polite"] { }


/* ─── RESPONSIVE ─────────────────────────────────────────── */

@media (max-width: 900px) {

  .projects__grid,
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__stats {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stat-card {
    flex: 1;
    min-width: 160px;
  }

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

  .bots__grid--two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {

  /* Nav: ocultar links intermedios, mantener los esenciales */
  .nav__links .nav__link:not(:last-of-type) {
    display: none;
  }

  .hero__headline {
    letter-spacing: -0.03em;
  }

  .hero__ctas,
  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

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

  .contact__ctas {
    align-items: stretch;
  }

  .wa-panel__stats {
    grid-template-columns: repeat(3, 1fr);  /* mantener en 3 columnas */
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}


/* ─── REDUCIR MOVIMIENTO ─────────────────────────────────── */

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

  /* Mostrar elementos que normalmente esperan animación */
  .hero__eyebrow,
  .hero__headline,
  .hero__body,
  .hero__ctas,
  .hero__socials,
  .scroll-hint {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .card,
  .arc__step,
  .stat-card,
  .wa-stat {
    opacity: 1;
    transform: none;
  }

  .nav__logo span {
    animation: none;
  }

  .dot--green {
    animation: none;
  }
}