/* =============================================================================
   QUANTIVA TECHNOLOGY — Landing
   Tokens de marca + sistema de diseño. Mobile-first.
   ========================================================================== */

:root {
  /* --- Colores de marca (NO cambiar) --- */
  --azul: #127dff;
  --naranja: #fd832a;
  --negro: #282828;
  --gris-700: #515455;
  --gris-300: #e1e8ed;
  --gris-100: #f2f5f7;
  --gris-50: #fafbfc;
  --blanco: #ffffff;

  /* --- Derivados armónicos (mismo tono, distinta luminosidad) --- */
  --azul-600: #0e6ae0;
  --azul-700: #0a57bd;
  --azul-soft: #eaf3ff;
  --naranja-600: #e56f17;
  --azul-glow: rgba(18, 125, 255, 0.45);

  /* Superficies oscuras derivadas del azul de marca (navy "tinta") */
  --tinta: #0a1326;
  --tinta-700: #0d1a33;
  --tinta-600: #122444;

  /* --- Semánticos --- */
  --bg: var(--gris-50);
  --surface: var(--blanco);
  --text: var(--negro);
  --text-soft: var(--gris-700);
  --border: var(--gris-300);

  /* --- Tipografía --- */
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* --- Layout --- */
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 40px);
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  /* --- Sombras --- */
  --shadow-sm: 0 2px 8px rgba(20, 30, 50, 0.06);
  --shadow-md: 0 14px 40px rgba(20, 40, 80, 0.10);
  --shadow-lg: 0 30px 70px rgba(15, 35, 75, 0.16);

  /* --- Motion --- */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 180ms;
  --t-mid: 320ms;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.1; margin: 0; letter-spacing: -0.02em; font-weight: 800; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 200;
  background: var(--azul); color: #fff; padding: 10px 16px;
  border-radius: 10px; transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 3px solid var(--azul);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ================================================================= Buttons */
.btn {
  --btn-bg: var(--azul);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  font-family: inherit; font-weight: 700; font-size: 0.98rem;
  line-height: 1; white-space: nowrap; cursor: pointer;
  padding: 0.95em 1.5em; border: 1.5px solid transparent; border-radius: var(--radius-pill);
  background: var(--btn-bg); color: var(--btn-fg);
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.btn-sm { padding: 0.7em 1.2em; font-size: 0.9rem; }
.btn-lg { padding: 1.1em 1.9em; font-size: 1.05rem; }

.btn-cta {
  --btn-bg: var(--naranja);
  box-shadow: 0 10px 26px rgba(253, 131, 42, 0.32);
}
.btn-cta:hover {
  --btn-bg: var(--naranja-600);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(253, 131, 42, 0.42);
}
.btn-cta:active { transform: translateY(-1px); }

.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: #fff;
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

/* ================================================================== Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease),
              border-color var(--t-mid) var(--ease);
  border-bottom: 1px solid transparent;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 76px;
}
/* Estado translúcido (sobre el hero) */
.site-header[data-state="top"] { background: linear-gradient(180deg, rgba(10,19,38,0.55), rgba(10,19,38,0)); }
.site-header[data-state="top"] .main-nav a,
.site-header[data-state="top"] .brand-word { color: #fff; }
.site-header[data-state="top"] .brand-word-light { color: rgba(255,255,255,0.7); }

/* Estado sólido (al hacer scroll) — glassmorphism sutil */
.site-header[data-state="scrolled"] {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

/* Marca / logo */
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-logo-dark { display: none; }
/* Estado translúcido (sobre el hero) → logo blanco. Sólido → logo negro. */
.site-header[data-state="top"] .brand-logo-light { display: block; }
.site-header[data-state="top"] .brand-logo-dark { display: none; }
.site-header[data-state="scrolled"] .brand-logo-light { display: none; }
.site-header[data-state="scrolled"] .brand-logo-dark { display: block; }
.footer-brand .brand-logo { height: 38px; }

/* Nav */
.main-nav { display: flex; gap: 30px; }
.main-nav a {
  position: relative; font-weight: 600; font-size: 0.97rem; color: var(--text);
  transition: color var(--t-fast) var(--ease);
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--naranja); transition: width var(--t-mid) var(--ease);
}
.main-nav a:hover { color: var(--azul); }
.site-header[data-state="top"] .main-nav a:hover { color: #fff; }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* Toggle móvil */
.nav-toggle {
  display: none; width: 44px; height: 44px; border: none; background: transparent;
  cursor: pointer; flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease), background var(--t-mid);
}
.site-header[data-state="top"] .nav-toggle span { background: #fff; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Drawer móvil */
.mobile-drawer {
  position: fixed; inset: 76px 0 auto 0; z-index: 99;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: transform var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease);
}
.mobile-drawer.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-drawer nav { display: flex; flex-direction: column; gap: 4px; padding: 18px var(--gutter) 26px; }
.mobile-drawer nav a { padding: 14px 6px; font-weight: 700; font-size: 1.1rem; border-bottom: 1px solid var(--gris-100); }
.mobile-drawer nav a.btn { margin-top: 12px; border-bottom: none; justify-content: center; }

/* ==================================================================== Hero */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: 120px 0 90px; overflow: hidden; isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }

/* Fallback SIEMPRE presente — nunca un hueco negro */
.hero-fallback {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 75% 18%, rgba(18,125,255,0.55), transparent 55%),
    radial-gradient(90% 80% at 12% 95%, rgba(74,163,255,0.30), transparent 60%),
    linear-gradient(160deg, #0b1730 0%, var(--tinta) 55%, #060d1c 100%);
}
/* Poster nítido bajo el vídeo: se ve al instante y nunca borroso, porque el
   <video> solo aparece (fade-in) cuando ya reproduce calidad alta. */
.hero-poster {
  position: absolute; inset: 0;
  background-image: url("assets/hero-poster.webp");
  background-size: cover; background-position: center;
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity 800ms var(--ease);
}
.hero-video.is-ready { opacity: 1; }

/* Overlay azul/oscuro para legibilidad + tinte de marca */
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,14,28,0.30) 0%, rgba(8,14,28,0.10) 35%, rgba(8,14,28,0.78) 100%),
    linear-gradient(110deg, rgba(10,19,38,0.86) 8%, rgba(18,125,255,0.30) 55%, rgba(10,19,38,0.55) 100%);
}
/* Rejilla técnica sutil */
.hero-grid {
  position: absolute; inset: 0; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 100% at 70% 30%, #000 25%, transparent 75%);
          mask-image: radial-gradient(120% 100% at 70% 30%, #000 25%, transparent 75%);
}

.hero-inner { position: relative; max-width: 880px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: #cfe3ff; padding: 8px 16px; border-radius: var(--radius-pill);
  background: rgba(18,125,255,0.16); border: 1px solid rgba(120,180,255,0.32);
  backdrop-filter: blur(6px);
}
.eyebrow-pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--naranja);
  box-shadow: 0 0 0 0 rgba(253,131,42,0.7); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(253,131,42,0.6); }
  70% { box-shadow: 0 0 0 11px rgba(253,131,42,0); }
  100% { box-shadow: 0 0 0 0 rgba(253,131,42,0); }
}

.hero-title {
  color: #fff; margin: 22px 0 18px;
  font-size: clamp(2.6rem, 6.2vw, 4.6rem); font-weight: 800; letter-spacing: -0.035em;
  text-wrap: balance;
}
.hero-title .line { display: block; }
.hero-title .word {
  display: inline-block;
  /* estado base = visible (para print / reduced-motion). La animación parte de oculto. */
}
.hero-title .grad {
  background: linear-gradient(100deg, #4aa3ff, #9ec9ff 50%, var(--naranja));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.hero-claim {
  color: rgba(255,255,255,0.86); font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  max-width: 620px; margin-bottom: 34px;
}
.hero-claim strong { color: #fff; font-weight: 800; display: block; font-size: 1.1em; margin-bottom: 6px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 30px; }
.hero-trust { color: rgba(255,255,255,0.6); font-size: 0.95rem; }

/* Scroll cue */
.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
}
.scroll-cue-track {
  display: block; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.5);
  border-radius: 14px; position: relative;
}
.scroll-cue-dot {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; border-radius: 3px;
  background: #fff; transform: translateX(-50%); animation: cue 1.8s var(--ease) infinite;
}
@keyframes cue { 0%{opacity:0;transform:translate(-50%,0)} 30%{opacity:1} 100%{opacity:0;transform:translate(-50%,14px)} }

/* ========================================================== Tira confianza */
.trust { padding: 40px 0; border-bottom: 1px solid var(--border); background: var(--surface); }
.trust-lead {
  text-align: center; color: var(--text-soft); font-weight: 600; font-size: 0.98rem;
  margin-bottom: 22px;
}
.trust-chips {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
}
.trust-chips li {
  padding: 9px 18px; border-radius: var(--radius-pill);
  background: var(--gris-100); color: var(--gris-700); font-weight: 600; font-size: 0.92rem;
  border: 1px solid var(--border);
  transition: transform var(--t-fast) var(--ease), color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.trust-chips li:hover {
  transform: translateY(-2px); color: var(--azul);
  border-color: rgba(18,125,255,0.4); background: var(--azul-soft);
}

/* =============================================================== Secciones */
.section { padding: clamp(70px, 11vw, 130px) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head-row {
  max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 24px;
}
.section-head-row .section-sub { max-width: 360px; margin-bottom: 0; }
.section-eyebrow {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 10px;
}
.section-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--naranja); }
.section-title { font-size: clamp(2rem, 4.4vw, 3rem); }
.section-sub { color: var(--text-soft); font-size: 1.1rem; margin-top: 16px; max-width: 560px; }

/* ================================================================ Servicios */
.cards-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  position: relative; background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 34px 30px;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-8px);
  border-color: transparent;
}

.card-icon {
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px;
  background: var(--azul-soft); color: var(--azul); margin-bottom: 22px;
  transition: transform var(--t-mid) var(--ease), background var(--t-mid), color var(--t-mid);
}
.card-icon svg { width: 28px; height: 28px; }
.card:hover .card-icon { background: var(--azul); color: #fff; transform: scale(1.06) rotate(-3deg); }
.card h3 { font-size: 1.28rem; margin-bottom: 12px; }
.card p { color: var(--text-soft); font-size: 1.0rem; }

/* "Saber más" — pista de que la tarjeta se abre */
.service-card { cursor: pointer; display: flex; flex-direction: column; }
.service-card p { flex: 1; }
.service-more {
  margin-top: 20px; display: inline-flex; align-items: center; gap: 7px;
  color: var(--azul); font-weight: 700; font-size: 0.95rem; width: fit-content;
}
.service-more svg { width: 17px; height: 17px; transition: transform var(--t-mid) var(--ease); }
.service-card:hover .service-more svg, .service-card:focus-visible .service-more svg { transform: translateX(5px); }
.service-card:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; }

/* ============================================== Modal detalle de servicio */
.svc-modal-backdrop {
  position: fixed; inset: 0; z-index: 200; padding: 24px;
  display: grid; place-items: center;
  background: rgba(10, 19, 38, 0.55); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
  opacity: 0; transition: opacity 0.32s var(--ease);
}
.svc-modal-backdrop[hidden] { display: none; }
.svc-modal-backdrop.open { opacity: 1; }
.svc-modal {
  position: relative; width: 100%; max-width: 580px; max-height: 88vh; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(30px, 4vw, 46px); box-shadow: 0 40px 90px rgba(10,19,38,0.32);
  transform: translateY(26px) scale(0.96); opacity: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.85, 0.25, 1), opacity 0.4s var(--ease);
}
.svc-modal-backdrop.open .svc-modal { transform: none; opacity: 1; }
.svc-modal-close {
  position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text-soft); cursor: pointer; transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.svc-modal-close:hover { color: var(--azul); border-color: rgba(18,125,255,0.4); transform: rotate(90deg); }
.svc-modal-close svg { width: 18px; height: 18px; }
.svc-modal-icon {
  display: grid; place-items: center; width: 60px; height: 60px; border-radius: 17px;
  background: var(--azul); color: #fff; margin-bottom: 22px;
}
.svc-modal-icon svg { width: 30px; height: 30px; }
.svc-modal-eyebrow {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 10px;
}
.svc-modal-title { font-size: clamp(1.5rem, 4vw, 1.95rem); letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.svc-modal-lead { font-size: 1.08rem; line-height: 1.6; color: var(--text-soft); }
.svc-modal-listhead {
  margin-top: 26px; margin-bottom: 14px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text);
}
.svc-modal-list { list-style: none; display: grid; gap: 13px; }
.svc-modal-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--text-soft); font-size: 1.02rem; line-height: 1.5; }
.svc-modal-list li svg { flex: none; width: 22px; height: 22px; margin-top: 1px; color: var(--azul); }
.svc-modal-note {
  margin-top: 24px; padding: 16px 20px; border-radius: var(--radius);
  background: var(--azul-soft); border: 1px solid rgba(18,125,255,0.16);
  color: var(--text); font-size: 0.98rem; font-weight: 500; line-height: 1.5;
}
.svc-modal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
@media (prefers-reduced-motion: reduce) {
  .svc-modal { transition: opacity 0.2s; transform: none; }
}

/* ============================================== Borde animado azul→naranja
   Anillo fino con gradiente de marca (técnica padding-box/border-box) que se
   enciende y gira suavemente al pasar el ratón, con un halo de color de marca.
   Compartido por las tarjetas de todas las páginas. */
@property --gb-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes gbSpin { to { --gb-angle: 360deg; } }

.card, .project-card, .post-card, .post-featured, .contact-card { position: relative; }

.card:hover, .project-card:hover,
.post-card:hover, .post-featured:hover, .contact-card:hover {
  border-color: transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    conic-gradient(from var(--gb-angle),
      var(--azul) 0%, #5aa8ff 22%, var(--naranja) 50%, #5aa8ff 78%, var(--azul) 100%) border-box;
}
.card:hover, .project-card:hover, .contact-card:hover {
  box-shadow: 0 22px 55px rgba(18,125,255,0.18), 0 10px 28px rgba(253,131,42,0.13);
}

@media (prefers-reduced-motion: no-preference) {
  .card:hover, .project-card:hover,
  .post-card:hover, .post-featured:hover, .contact-card:hover { animation: gbSpin 5s linear infinite; }
}

/* ============================================================= Stack / logos */
.stack {
  position: relative;
  padding: clamp(16px, 2vw, 26px) 0 clamp(26px, 3vw, 40px);
  background: var(--surface);
  border-block: 1px solid var(--border);
  overflow: hidden;
}
/* Fondo en movimiento: aurora azul/naranja + rejilla técnica tenue (CSS puro) */
.stack-fx { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.stack-fx::before {
  content: ""; position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(18,125,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,125,255,0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(130% 90% at 50% 50%, #000 30%, transparent 78%);
          mask-image: radial-gradient(130% 90% at 50% 50%, #000 30%, transparent 78%);
  animation: stackGrid 26s linear infinite;
}
@keyframes stackGrid { from { background-position: 0 0; } to { background-position: 46px 46px; } }
.stack-blob {
  position: absolute; width: 48vw; max-width: 640px; aspect-ratio: 1 / 1;
  border-radius: 50%; filter: blur(72px); will-change: transform;
}
.stack-blob.b1 {
  top: -120%; left: 4%;
  background: radial-gradient(circle, rgba(18,125,255,0.30), transparent 64%);
  animation: blobA 17s var(--ease) infinite alternate;
}
.stack-blob.b2 {
  top: -110%; right: 3%;
  background: radial-gradient(circle, rgba(253,131,42,0.20), transparent 64%);
  animation: blobB 21s var(--ease) infinite alternate;
}
@keyframes blobA { from { transform: translate(0,0); } to { transform: translate(22%, 26%); } }
@keyframes blobB { from { transform: translate(0,0); } to { transform: translate(-18%, 30%); } }
/* El contenido va por encima del fondo */
.stack > .container, .stack > .marquee { position: relative; z-index: 1; }
.stack-head {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; margin-bottom: clamp(16px, 2.2vw, 26px);
}
.stack-kicker {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--azul); padding: 5px 12px; border-radius: var(--radius-pill);
  background: var(--azul-soft); border: 1px solid rgba(18,125,255,0.18);
}
.stack-kicker-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--naranja);
  box-shadow: 0 0 0 0 rgba(253,131,42,0.6); animation: pulse 2.4s infinite;
}
.stack-lead {
  color: var(--text); font-weight: 700; letter-spacing: -0.01em;
  font-size: clamp(0.9rem, 1.3vw, 1.05rem); line-height: 1.3; max-width: 580px;
}
.stack-lead .hl {
  position: relative; color: var(--azul); white-space: nowrap;
}
.stack-lead .hl::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px;
  background: var(--naranja); border-radius: 3px;
  transform: scaleX(0); transform-origin: left; opacity: 0;
  transition: transform 700ms var(--ease) 350ms, opacity 200ms var(--ease) 350ms;
}
.stack-head.in .stack-lead .hl::after { transform: scaleX(1); opacity: 1; }

.marquee {
  position: relative; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 11%, #000 89%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 11%, #000 89%, transparent);
}
.marquee-track {
  display: flex; align-items: center; width: max-content; gap: clamp(48px, 7vw, 90px);
  animation: marquee 36s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.stack-item {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  transition: transform var(--t-mid) var(--ease);
}
.stack-item img {
  height: clamp(58px, 7.5vw, 84px); width: auto; object-fit: contain;
  filter: grayscale(1); opacity: 0.62;
  transition: filter var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease);
}
.stack-item:hover { transform: translateY(-3px); }
.stack-item:hover img { filter: grayscale(0); opacity: 1; }

/* ========================================================== Cómo trabajamos */
.process { background: var(--surface); }
.timeline {
  position: relative; display: grid; gap: 34px;
  grid-template-columns: repeat(4, 1fr);
}
.timeline-line {
  position: absolute; left: 0; right: 0; top: 26px; height: 2px;
  background: var(--gris-300); border-radius: 2px; z-index: 0;
}
.timeline-progress {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--azul), var(--naranja)); border-radius: 2px;
  transition: width 120ms linear;
}
.step { position: relative; z-index: 1; }
.step-num {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--azul); color: var(--azul);
  font-weight: 800; font-size: 1.15rem; margin-bottom: 20px;
  box-shadow: 0 0 0 6px var(--surface);
  transition: background var(--t-mid) var(--ease), color var(--t-mid), transform var(--t-mid);
}
.step.is-active .step-num { background: var(--azul); color: #fff; transform: scale(1.05); }
.step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--text-soft); font-size: 0.98rem; }

/* ================================================================ Proyectos */
.projects-grid {
  display: grid; gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.project-card {
  background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.project-card { position: relative; }
.project-card:hover { transform: translateY(-8px); border-color: transparent; }

.project-thumb {
  position: relative; aspect-ratio: 16 / 10; display: grid; place-items: center;
  overflow: hidden; isolation: isolate;
}
/* Placeholders a rayas sutiles, con tinte de marca (sustituibles por <img>) */
.project-thumb::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0 14px, transparent 14px 28px);
}
.thumb-a { background: linear-gradient(140deg, #0e2a52, var(--azul) 120%); }
.thumb-b { background: linear-gradient(140deg, #10213f, #2a64b8); }
.thumb-c { background: linear-gradient(140deg, #143a6b, #4aa3ff 130%); }
.thumb-note {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 0.78rem;
  color: rgba(255,255,255,0.66); letter-spacing: 0.04em;
  padding: 7px 13px; border: 1px dashed rgba(255,255,255,0.4); border-radius: 8px;
}
/* Icono de marca centrado sobre el degradado (arte intencional, no imagen que falta) */
.thumb-icon {
  position: relative; z-index: 1; width: 86px; height: 86px;
  color: rgba(255,255,255,0.94);
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.35));
  transition: transform var(--t-mid) var(--ease);
}
.thumb-icon svg { width: 100%; height: 100%; }
.project-card:hover .thumb-icon { transform: translateY(-4px) scale(1.05); }
.project-pill {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(8,14,28,0.55); backdrop-filter: blur(6px);
  color: #fff; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 6px 13px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,0.22);
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.project-card:hover .project-thumb img { transform: scale(1.06); }

.project-body { padding: 26px 26px 30px; }
.project-body h3 { font-size: 1.32rem; margin-bottom: 10px; }
.project-body p { color: var(--text-soft); margin-bottom: 18px; }
.project-link {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--azul);
}
.project-link span { transition: transform var(--t-fast) var(--ease); }
.project-card:hover .project-link span { transform: translateX(5px); }

/* ================================================================ CTA banda */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(64px, 9vw, 110px) 0; text-align: center;
  background: linear-gradient(135deg, var(--azul-700) 0%, var(--azul) 55%, #2f93ff 100%);
}
.cta-particles { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; }
.cta-band::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(80% 120% at 50% 0%, rgba(255,255,255,0.18), transparent 60%);
}
.cta-inner { max-width: 760px; }
.cta-claim {
  color: rgba(255,255,255,0.78); font-weight: 700; font-size: 1.05rem;
  letter-spacing: 0.04em; margin-bottom: 16px;
}
.cta-title { color: #fff; font-size: clamp(2rem, 4.6vw, 3.2rem); margin-bottom: 34px; text-wrap: balance; }

/* ================================================================= Contacto */
.contact-grid {
  display: grid; gap: clamp(36px, 6vw, 70px);
  grid-template-columns: 1fr 1fr; align-items: start;
}
.contact-points { display: grid; gap: 12px; margin: 26px 0 28px; }
.contact-points li { display: flex; align-items: center; gap: 12px; color: var(--text-soft); font-weight: 500; }
.cp-ico { color: var(--naranja); font-size: 0.7rem; }

.whatsapp-link {
  display: inline-flex; align-items: center; gap: 11px; font-weight: 700; color: var(--text);
  padding: 12px 20px; border-radius: var(--radius-pill); border: 1.5px solid var(--border);
  background: var(--surface); transition: all var(--t-fast) var(--ease);
}
.whatsapp-link:hover { border-color: #25d366; color: #1faa52; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.wa-ico { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #25d366; color: #fff; }
.wa-ico svg { width: 18px; height: 18px; }

/* Formulario */
.contact-form {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, #1f8bff 0%, var(--azul) 55%, #0b5fd0 100%);
  padding: clamp(26px, 4vw, 40px); border-radius: var(--radius-lg);
  box-shadow: 0 26px 60px rgba(18,125,255,0.28); display: block;
}
.cf-fx { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.cf-blob { position: absolute; border-radius: 50%; filter: blur(46px); opacity: 0.55; }
.cf-blob.cfb1 { width: 260px; height: 260px; top: -90px; right: -70px; background: rgba(253,131,42,0.55); animation: blobA 16s var(--ease) infinite; }
.cf-blob.cfb2 { width: 220px; height: 220px; bottom: -80px; left: -60px; background: rgba(90,168,255,0.6); animation: blobB 19s var(--ease) infinite; }
.cf-inner { position: relative; z-index: 1; display: grid; gap: 17px; }

.cf-head { display: flex; align-items: center; gap: 15px; margin-bottom: 4px; }
.cf-badge {
  flex: none; width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center;
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); color: #fff;
}
.cf-badge svg { width: 25px; height: 25px; display: block; transform: translate(-1.5px, 1px); }
.cf-title { color: #fff; font-size: 1.32rem; letter-spacing: -0.015em; line-height: 1.2; }
.cf-sub { color: rgba(255,255,255,0.82); font-size: 0.96rem; margin-top: 3px; }

.field { display: grid; gap: 7px; }
.field label { color: #fff; font-weight: 700; font-size: 0.92rem; }
.field-control { position: relative; }
.field-ico {
  position: absolute; left: 15px; top: 15px; width: 20px; height: 20px;
  color: var(--azul); opacity: 0.55; pointer-events: none; transition: color var(--t-fast), opacity var(--t-fast);
}
.field-ico svg { width: 100%; height: 100%; display: block; }
.field input, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--negro);
  background: #fff; border: 1.5px solid rgba(255,255,255,0.001);
  border-radius: 14px; padding: 13px 16px 13px 46px; width: 100%; resize: vertical;
  transition: box-shadow var(--t-fast) var(--ease), border-color var(--t-fast);
}
.field textarea { min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(40,40,40,0.45); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--naranja);
  box-shadow: 0 0 0 4px rgba(253,131,42,0.3);
}
.field-control:focus-within .field-ico { color: var(--naranja); opacity: 1; }
.field.invalid input, .field.invalid textarea { border-color: #ffd2b0; box-shadow: 0 0 0 4px rgba(255,90,40,0.28); }
.field-error { color: #ffe2cf; font-size: 0.84rem; font-weight: 600; min-height: 1em; }
.form-submit { width: 100%; margin-top: 6px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.form-submit svg { width: 19px; height: 19px; transition: transform var(--t-mid) var(--ease); }
.form-submit:hover svg { transform: translateX(5px); }
.cf-trust {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: center; margin-top: 4px;
}
.cf-trust li { display: inline-flex; align-items: center; gap: 7px; color: rgba(255,255,255,0.9); font-size: 0.86rem; font-weight: 600; }
.cf-trust svg { width: 15px; height: 15px; color: #aee0c0; }
.form-status { color: #fff; font-weight: 600; text-align: center; min-height: 1.2em; }
.form-status.error { color: #ffe2cf; }

/* ============================================== Modal detalle de caso */
.case-modal-backdrop {
  position: fixed; inset: 0; z-index: 200; padding: 24px;
  display: grid; place-items: center;
  background: rgba(10, 19, 38, 0.55); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
  opacity: 0; transition: opacity 0.32s var(--ease);
}
.case-modal-backdrop[hidden] { display: none; }
.case-modal-backdrop.open { opacity: 1; }
.case-modal {
  position: relative; width: 100%; max-width: 620px; max-height: 90vh; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: 0 40px 90px rgba(10,19,38,0.32);
  transform: translateY(26px) scale(0.96); opacity: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.85, 0.25, 1), opacity 0.4s var(--ease);
}
.case-modal-backdrop.open .case-modal { transform: none; opacity: 1; }
.case-modal .svc-modal-close { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.3); color: #fff; }
.case-modal .svc-modal-close:hover { background: rgba(255,255,255,0.28); color: #fff; border-color: rgba(255,255,255,0.5); }
.case-modal-head {
  position: relative; overflow: hidden; padding: clamp(30px, 4vw, 42px) clamp(28px, 4vw, 44px) clamp(24px, 3vw, 32px);
  background: linear-gradient(135deg, var(--azul), #0b5fd0); isolation: isolate;
}
.case-modal-head::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0 16px, transparent 16px 32px);
}
.case-modal-pill {
  display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.case-modal-title { color: #fff; font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -0.02em; line-height: 1.14; }
.case-modal-sector { color: rgba(255,255,255,0.82); font-size: 0.98rem; margin-top: 8px; }
.case-modal-body { padding: clamp(26px, 4vw, 40px) clamp(28px, 4vw, 44px) clamp(30px, 4vw, 44px); }
.case-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 30px; }
.case-metrics .cm {
  text-align: center; padding: 18px 10px; border-radius: var(--radius);
  background: var(--azul-soft); border: 1px solid rgba(18,125,255,0.14);
}
.case-metrics .cm strong { display: block; font-size: clamp(1.4rem, 4vw, 1.9rem); color: var(--azul); letter-spacing: -0.02em; line-height: 1; }
.case-metrics .cm span { display: block; margin-top: 7px; font-size: 0.82rem; color: var(--text-soft); font-weight: 500; line-height: 1.3; }
.case-block { margin-bottom: 24px; }
.case-block h4 { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--azul); margin-bottom: 11px; }
.case-block p { color: var(--text-soft); font-size: 1.05rem; line-height: 1.62; }
.case-modal-quote {
  margin: 4px 0 26px; padding: 6px 0 6px 22px; border-left: 3px solid var(--naranja);
  font-size: 1.18rem; line-height: 1.45; font-weight: 600; color: var(--text); font-style: normal;
}
.case-modal-quote:empty { display: none; }
@media (max-width: 540px) {
  .case-metrics { grid-template-columns: 1fr; gap: 10px; }
  .case-metrics .cm { display: flex; align-items: baseline; justify-content: center; gap: 10px; }
  .case-metrics .cm span { margin-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .case-modal { transition: opacity 0.2s; transform: none; }
}

/* =================================================================== Footer */
.site-footer { background: var(--tinta); color: rgba(255,255,255,0.7); padding-top: 64px; }
.footer-top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 20px; padding-bottom: 36px; margin-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-top .brand-logo { height: 40px; }
.footer-tagline { color: #fff; font-weight: 700; font-size: 1.08rem; }
.footer-tagline span { display: block; color: rgba(255,255,255,0.55); font-weight: 500; font-size: 0.95rem; }
.footer-grid {
  display: grid; gap: 40px;
  grid-template-columns: 1fr 1fr 1fr 1.2fr; padding-bottom: 50px;
}
.footer-col h4 { color: #fff; font-size: 0.92rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: rgba(255,255,255,0.7); transition: color var(--t-fast) var(--ease); width: fit-content; }
.footer-col a:hover { color: var(--azul); }
.footer-contact p { color: rgba(255,255,255,0.7); line-height: 1.5; }
.footer-contact .fc-name { color: #fff; font-weight: 700; }
.footer-contact a { font-weight: 500; }
.footer-social { display: flex; gap: 11px; margin-bottom: 0; }
.footer-social a {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.16); color: #fff;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast), transform var(--t-fast);
}
.footer-social a svg { width: 18px; height: 18px; display: block; }
.footer-social a[aria-label="Facebook"] svg { transform: translateX(-1.5px); }
.footer-social a:hover { background: var(--azul); border-color: var(--azul); transform: translateY(-2px); }
.footer-wa {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #fff !important;
  padding: 10px 16px; border-radius: var(--radius-pill); background: rgba(37,211,102,0.18);
  border: 1px solid rgba(37,211,102,0.4); width: fit-content;
  transition: background var(--t-fast) var(--ease);
}
.footer-wa:hover { background: rgba(37,211,102,0.32); color: #fff !important; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  padding: 24px var(--gutter); border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.88rem; color: rgba(255,255,255,0.5);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

/* ============================================================ Scroll reveal */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ============================================================== Responsive */
@media (max-width: 600px) {
  /* En móvil estrecho el titular del hero debe caber sin cortarse */
  .hero-title { font-size: clamp(2rem, 9vw, 2.9rem); overflow-wrap: break-word; }
}
@media (max-width: 980px) {
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .timeline-line { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 104px; }
  .btn-lg { width: 100%; }
  .hero-actions { flex-direction: column; }
}

/* ===================================================== Reduce motion (a11y) */
@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;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero-video { opacity: 1; }
}