/*
Theme Name:   Hello Elementor Child
Description:  Tema hijo de Hello Elementor para Quimitech. Sistema de diseno, componentes y secciones del sitio (clases qt-*).
Author:       Quimitech
Template:     hello-elementor
Version:      1.0.0
Text Domain:  hello-elementor-child
*/

/* ==========================================================================
   QUIMITECH · quimitech.css
   Sistema visual fiel al brief del cliente:
   Azul #0A2E5C · Cian #00B8D4 · Verde #00C896 · Naranja #FF6B35
   Titulares Montserrat · Cuerpo Inter · Datos Roboto Mono
   Motivo recurrente: hexágonos y estructuras moleculares.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. PRIMITIVOS
   -------------------------------------------------------------------------- */
:root {
  /* Azul Quimitech (fondos, headers) */
  --qt-blue-950: #061a33;
  --qt-blue-900: #082241;
  --qt-blue-800: #0a2e5c;   /* principal del brief */
  --qt-blue-700: #0f3d77;
  --qt-blue-600: #16509b;

  /* Cian Innovación (acentos, CTAs) */
  --qt-cyan-300: #7fe6f6;
  --qt-cyan-500: #00b8d4;   /* principal del brief */
  --qt-cyan-600: #0096ad;
  --qt-cyan-700: #00768a;   /* AA sobre blanco para texto */
  --qt-cyan-900: #043c46;

  /* Verde Reacción */
  --qt-green-300: #7be8c6;
  --qt-green-500: #00c896;  /* principal del brief */
  --qt-green-700: #007a5c;  /* AA sobre blanco */

  /* Naranja Energía */
  --qt-orange-300: #ffb39a;
  --qt-orange-500: #ff6b35; /* principal del brief */
  --qt-orange-600: #ec4f16;
  --qt-orange-700: #c2410c; /* AA sobre blanco */

  /* Gris Laboratorio + rampa neutra (el brief solo da el gris claro) */
  --qt-white: #ffffff;
  --qt-gray-50: #f4f6f9;    /* gris laboratorio del brief */
  --qt-gray-100: #e3e8ef;
  --qt-gray-200: #d2dae4;
  --qt-gray-300: #b3bfcd;
  --qt-gray-400: #8b98a9;
  --qt-gray-500: #657286;
  --qt-gray-600: #4a5464;
  --qt-gray-700: #333d4d;
  --qt-gray-800: #1d2735;
  --qt-gray-900: #0e1622;   /* tinta */

  /* Tipografía */
  --qt-font-display: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --qt-font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --qt-font-mono: "Roboto Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Escala tipográfica fluida */
  --qt-t-hero: clamp(40px, 6.4vw, 88px);
  --qt-t-h1: clamp(32px, 4.4vw, 52px);
  --qt-t-h2: clamp(27px, 3.4vw, 40px);
  --qt-t-h3: clamp(20px, 2vw, 24px);
  --qt-t-h4: 18px;
  --qt-t-lead: clamp(18px, 1.6vw, 21px);
  --qt-t-body: 17px;
  --qt-t-small: 15px;
  --qt-t-micro: 12px;

  /* Espaciado (escala de 4) */
  --qt-s-1: 4px;
  --qt-s-2: 8px;
  --qt-s-3: 12px;
  --qt-s-4: 16px;
  --qt-s-5: 24px;
  --qt-s-6: 32px;
  --qt-s-7: 48px;
  --qt-s-8: 64px;
  --qt-s-9: 96px;
  --qt-s-10: 128px;

  --qt-container: 1240px;
  --qt-radius-s: 8px;
  --qt-radius-m: 14px;
  --qt-radius-l: 22px;

  --qt-shadow-s: 0 2px 8px rgba(6, 26, 51, .06);
  --qt-shadow-m: 0 14px 34px rgba(6, 26, 51, .10);
  --qt-shadow-l: 0 28px 70px rgba(6, 26, 51, .18);

  --qt-hex: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);

  --qt-ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------------------
   2. SEMÁNTICOS
   -------------------------------------------------------------------------- */
:root {
  --bg: var(--qt-white);
  --bg-alt: var(--qt-gray-50);
  --bg-dark: var(--qt-blue-900);
  --surface: var(--qt-white);
  --surface-alt: var(--qt-gray-50);
  --text: var(--qt-gray-900);
  --text-soft: var(--qt-gray-600);
  --text-muted: var(--qt-gray-500);
  --text-on-dark: #eaf1f8;
  --text-on-dark-soft: #a9bdd2;

  --primary: var(--qt-blue-800);
  --primary-soft: var(--qt-blue-700);
  --accent: var(--qt-cyan-600);
  --accent-ink: var(--qt-cyan-700);
  --success: var(--qt-green-700);
  --energy: var(--qt-orange-600);
  --energy-ink: var(--qt-orange-700);

  --border: var(--qt-gray-200);
  --border-soft: var(--qt-gray-100);
  --border-dark: rgba(255, 255, 255, .14);

  --focus: var(--qt-cyan-500);
}

/* --------------------------------------------------------------------------
   3. BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--qt-font-body);
  font-size: var(--qt-t-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--qt-font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
}
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.qt-wrap {
  width: 100%;
  max-width: var(--qt-container);
  margin: 0 auto;
  padding: 0 28px;
}
.qt-section { padding: clamp(64px, 9vw, 128px) 0; position: relative; }
.qt-section--alt { background: var(--bg-alt); }

/* Secciones con fotografía de fondo temática + velo para legibilidad */
.qt-has-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.qt-has-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--qt-scrim,
    linear-gradient(180deg, rgba(255, 255, 255, .8) 0%, rgba(255, 255, 255, .5) 100%));
}
.qt-has-bg > .qt-wrap { position: relative; z-index: 2; }
.qt-has-bg--dark::before {
  background: var(--qt-scrim,
    linear-gradient(180deg, rgba(6, 26, 51, .86), rgba(8, 34, 65, .8)));
}
.qt-id.qt-has-bg { background-color: var(--qt-blue-950); }

/* Cabecera de páginas internas */
.qt-pagehead {
  position: relative;
  padding: 172px 0 66px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(80% 90% at 85% 0%, rgba(0, 184, 212, .3), transparent 60%),
    var(--qt-blue-900);
}
.qt-pagehead::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .45;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='166' viewBox='0 0 96 166'%3E%3Cpath d='M48 1 94 28v54L48 109 2 82V28z' fill='none' stroke='%2300b8d4' stroke-opacity='.2'/%3E%3C/svg%3E");
  mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
}
.qt-pagehead .qt-wrap { position: relative; z-index: 1; max-width: 900px; }
.qt-pagehead h1 { margin-top: 16px; font-size: var(--qt-t-h1); color: #fff; }
.qt-pagehead .qt-lead { margin-top: 18px; color: #d5e4f2; }
.qt-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--qt-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(213, 228, 242, .75);
}
.qt-breadcrumb a:hover { color: var(--qt-cyan-300); }
.qt-section--dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.qt-center { text-align: center; }

.qt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--qt-font-mono);
  font-size: var(--qt-t-micro);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.qt-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
}
.qt-section--dark .qt-eyebrow { color: var(--qt-cyan-300); }

.qt-lead {
  font-size: var(--qt-t-lead);
  color: var(--text-soft);
  max-width: 62ch;
}
.qt-section--dark .qt-lead { color: var(--text-on-dark-soft); }

.qt-head { max-width: 780px; }
.qt-head--center { margin: 0 auto; text-align: center; }
.qt-head h2 { margin: 18px 0 0; font-size: var(--qt-t-h2); }
.qt-head .qt-lead { margin-top: 20px; }
.qt-head--center .qt-lead { margin-left: auto; margin-right: auto; }

.qt-mono { font-family: var(--qt-font-mono); font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   4. BOTONES
   -------------------------------------------------------------------------- */
.qt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--qt-font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .25s var(--qt-ease), background .25s var(--qt-ease),
              box-shadow .25s var(--qt-ease), color .25s var(--qt-ease);
}
.qt-btn svg { flex: none; }
.qt-btn:hover { transform: translateY(-2px); }

.qt-btn--energy {
  background: var(--qt-orange-500);
  color: #2a0d02;
  box-shadow: 0 14px 30px rgba(255, 107, 53, .32);
}
.qt-btn--energy:hover { background: var(--qt-orange-600); }

.qt-btn--ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
  backdrop-filter: blur(6px);
}
.qt-btn--ghost:hover { background: rgba(255, 255, 255, .18); }

.qt-btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--qt-shadow-m);
}
.qt-btn--primary:hover { background: var(--primary-soft); }

.qt-btn--outline {
  border-color: var(--border);
  color: var(--primary);
  background: var(--surface);
}
.qt-btn--outline:hover { border-color: var(--accent); color: var(--accent-ink); }

.qt-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--qt-font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--accent-ink);
}
.qt-link svg { transition: transform .25s var(--qt-ease); }
.qt-link:hover svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   5. HEADER + NAVEGACIÓN
   -------------------------------------------------------------------------- */
.qt-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .35s var(--qt-ease), box-shadow .35s var(--qt-ease),
              backdrop-filter .35s var(--qt-ease);
}
.qt-header__bar {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 78px;
}
.qt-header.is-scrolled {
  background: rgba(8, 34, 65, .78);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 10px 34px rgba(6, 26, 51, .28);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.qt-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  margin-right: auto;
}
.qt-brand__mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, var(--qt-cyan-500), var(--qt-blue-600));
  clip-path: var(--qt-hex);
  color: #04121f;
}
.qt-brand__name {
  display: block;
  font-family: var(--qt-font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .16em;
  line-height: 1;
}
.qt-brand small {
  display: block;
  margin-top: 4px;
  font-family: var(--qt-font-mono);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--qt-cyan-300);
}

.qt-nav { display: flex; align-items: center; gap: 4px; }
.qt-nav a {
  position: relative;
  padding: 9px 13px;
  color: rgba(255, 255, 255, .84);
  font-size: 14.5px;
  font-weight: 500;
  border-radius: 8px;
  transition: color .2s var(--qt-ease), background .2s var(--qt-ease);
}
.qt-nav a::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 3px;
  height: 2px;
  background: var(--qt-cyan-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--qt-ease);
}
.qt-nav a:hover { color: #fff; }
.qt-nav a:hover::after { transform: scaleX(1); }

.qt-actions { display: flex; align-items: center; gap: 8px; }
.qt-iconbtn {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition: background .2s var(--qt-ease), border-color .2s var(--qt-ease);
}
.qt-iconbtn:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .4); }
.qt-lang {
  padding: 0 12px; height: 40px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  font-family: var(--qt-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
}
.qt-lang:hover { background: rgba(255, 255, 255, .12); }
.qt-menu-btn { display: none; }

.qt-search {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 99;
  padding: 110px 0 40px;
  background: rgba(6, 26, 51, .96);
  backdrop-filter: blur(10px);
  transform: translateY(-100%);
  transition: transform .4s var(--qt-ease);
  visibility: hidden;
}
.qt-search.is-open { transform: translateY(0); visibility: visible; }
.qt-search form {
  display: flex;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}
.qt-search input {
  flex: 1;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
  color: #fff;
  font-size: 17px;
  font-family: var(--qt-font-body);
}
.qt-search input::placeholder { color: rgba(255, 255, 255, .55); }

/* --------------------------------------------------------------------------
   6. HERO
   -------------------------------------------------------------------------- */
.qt-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--qt-blue-900);
  color: #fff;
  isolation: isolate;
}
.qt-hero__media {
  position: absolute;
  inset: 0;
  z-index: -3;
}
.qt-hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.7) contrast(1.05);
}
.qt-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(0, 184, 212, .34), transparent 55%),
    linear-gradient(180deg, rgba(6, 26, 51, .82) 0%, rgba(8, 34, 65, .74) 45%, rgba(6, 26, 51, .95) 100%);
}
.qt-hero__lattice {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='166' viewBox='0 0 96 166'%3E%3Cpath d='M48 1 94 28v54L48 109 2 82V28z' fill='none' stroke='%2300b8d4' stroke-opacity='.22' stroke-width='1'/%3E%3Cpath d='M48 111 94 138v54L48 219 2 192v-54z' fill='none' stroke='%2300b8d4' stroke-opacity='.12' stroke-width='1'/%3E%3C/svg%3E");
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}
.qt-hero__net { position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .55; }
.qt-hero__net line { stroke: rgba(127, 230, 246, .28); stroke-width: 1; }
.qt-hero__net circle { fill: var(--qt-cyan-300); }
.qt-hero__net circle.g { fill: var(--qt-green-300); }
.qt-hero__inner { position: relative; z-index: 2; padding: 150px 0 90px; width: 100%; }
.qt-hero__copy { max-width: 940px; }

.qt-hero h1 {
  font-size: var(--qt-t-hero);
  line-height: .98;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.qt-hero h1 em {
  font-style: normal;
  color: var(--qt-cyan-300);
}
.qt-hero__sub {
  margin-top: 28px;
  max-width: 60ch;
  font-size: var(--qt-t-lead);
  color: #d5e4f2;
}
.qt-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.qt-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 46px;
  font-family: var(--qt-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(213, 228, 242, .7);
}
.qt-hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.qt-dot {
  width: 6px; height: 6px;
  background: var(--qt-green-500);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 200, 150, .18);
}

/* Fórmulas flotantes */
.qt-formula {
  position: absolute;
  z-index: 1;
  padding: 8px 14px;
  border: 1px solid rgba(127, 230, 246, .35);
  border-radius: 999px;
  background: rgba(6, 26, 51, .45);
  backdrop-filter: blur(4px);
  font-family: var(--qt-font-mono);
  font-size: 14px;
  color: var(--qt-cyan-300);
  animation: qt-float 9s var(--qt-ease) infinite;
  pointer-events: none;
}
.qt-formula sub { font-size: .72em; }
.qt-formula--1 { top: 20%; right: 8%; animation-delay: -1s; }
.qt-formula--2 { top: 38%; right: 26%; animation-delay: -4s; color: var(--qt-green-300); border-color: rgba(123, 232, 198, .35); }
.qt-formula--3 { top: 62%; right: 12%; animation-delay: -7s; }

@keyframes qt-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(2deg); }
}

.qt-scrollcue {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 3;
  display: grid;
  place-items: center;
  gap: 6px;
  font-family: var(--qt-font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
}
.qt-scrollcue::after {
  content: "";
  width: 1px; height: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .6), transparent);
  animation: qt-cue 2.4s var(--qt-ease) infinite;
}
@keyframes qt-cue {
  0% { opacity: 0; transform: translateY(-6px); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

/* --------------------------------------------------------------------------
   7. BARRA DE CONFIANZA
   -------------------------------------------------------------------------- */
.qt-trust {
  background: var(--qt-blue-800);
  border-top: 1px solid rgba(255, 255, 255, .09);
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}
.qt-trust__row {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.qt-trust__row::-webkit-scrollbar { display: none; }
.qt-trust__item {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 30px;
  border-right: 1px solid rgba(255, 255, 255, .09);
  color: #eaf1f8;
  white-space: nowrap;
}
.qt-trust__item:last-child { border-right: 0; }
.qt-trust__item svg { color: var(--qt-cyan-300); flex: none; }
.qt-trust__item b {
  font-family: var(--qt-font-display);
  font-size: 16px;
  font-weight: 700;
}
.qt-trust__item small {
  display: block;
  font-family: var(--qt-font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--qt-cyan-300);
}

/* --------------------------------------------------------------------------
   8. NOSOTROS
   -------------------------------------------------------------------------- */
.qt-split {
  display: grid;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (min-width: 940px) { .qt-split { grid-template-columns: 1.05fr .95fr; } }
.qt-split--reverse .qt-split__media { order: -1; }
@media (max-width: 939px) { .qt-split--reverse .qt-split__media { order: 0; } }

.qt-frame {
  position: relative;
  border-radius: var(--qt-radius-l);
  overflow: hidden;
  box-shadow: var(--qt-shadow-l);
}
.qt-frame img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.qt-frame--hex { clip-path: none; }
.qt-frame__badge {
  position: absolute;
  left: 22px; bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 14px;
  background: rgba(6, 26, 51, .82);
  backdrop-filter: blur(8px);
  color: #fff;
}
.qt-frame__badge b {
  font-family: var(--qt-font-display);
  font-size: 26px;
  line-height: 1;
  color: var(--qt-cyan-300);
}
.qt-frame__badge span {
  font-family: var(--qt-font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #cddced;
}

.qt-ticks { display: grid; gap: 14px; margin-top: 30px; }
.qt-ticks li { display: flex; gap: 14px; align-items: flex-start; }
.qt-ticks .qt-ico {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: rgba(0, 184, 212, .1);
  color: var(--accent-ink);
  clip-path: var(--qt-hex);
}
.qt-ticks b { font-family: var(--qt-font-display); font-weight: 700; }
.qt-ticks p { color: var(--text-soft); font-size: var(--qt-t-small); }

.qt-grid-2 { display: grid; gap: 12px; }
.qt-stack-img { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qt-stack-img .qt-frame:first-child { grid-column: 1 / -1; }
.qt-stack-img .qt-frame img { min-height: 200px; }

/* --------------------------------------------------------------------------
   9. PRODUCTOS / SOLUCIONES
   -------------------------------------------------------------------------- */
.qt-cards {
  display: grid;
  gap: 20px;
  margin-top: 52px;
}
@media (min-width: 680px) { .qt-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .qt-cards { grid-template-columns: repeat(3, 1fr); } }
.qt-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px 30px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--qt-radius-m);
  overflow: hidden;
  transition: transform .3s var(--qt-ease), box-shadow .3s var(--qt-ease),
              border-color .3s var(--qt-ease);
}
.qt-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--qt-cyan-500), var(--qt-green-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--qt-ease);
}
.qt-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--qt-shadow-m);
  border-color: transparent;
}
.qt-card:hover::before { transform: scaleX(1); }
.qt-card__ico {
  width: 58px; height: 58px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(0, 184, 212, .16), rgba(0, 200, 150, .12));
  color: var(--primary);
  clip-path: var(--qt-hex);
}
.qt-card h3 { font-size: var(--qt-t-h3); }
.qt-card p { color: var(--text-soft); font-size: var(--qt-t-small); }
.qt-card .qt-link { margin-top: auto; }

/* --------------------------------------------------------------------------
   10. INDUSTRIAS
   -------------------------------------------------------------------------- */
.qt-industries {
  display: grid;
  gap: 16px;
  margin-top: 52px;
}
@media (min-width: 720px) { .qt-industries { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .qt-industries { grid-template-columns: repeat(4, 1fr); } }
.qt-industry {
  position: relative;
  min-height: 340px;
  border-radius: var(--qt-radius-m);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: #fff;
  isolation: isolate;
}
@media (min-width: 1080px) {
  .qt-industries { grid-template-rows: 340px 340px; }
  .qt-industry:nth-child(1) { grid-column: 1 / 3; grid-row: 1 / 3; min-height: 100%; }
  .qt-industry:nth-child(2) { grid-column: 3 / 5; }
  .qt-industry:nth-child(3) { grid-column: 3 / 4; }
  .qt-industry:nth-child(4) { grid-column: 4 / 5; }
  .qt-industry:nth-child(5) { grid-column: 1 / 5; min-height: 300px; }
}
.qt-industry img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .6s var(--qt-ease);
}
.qt-industry::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 26, 51, .05) 30%, rgba(6, 26, 51, .88));
}
.qt-industry:hover img { transform: scale(1.05); }
.qt-industry__body { padding: 26px; }
.qt-industry__body h3 { font-size: var(--qt-t-h3); }
.qt-industry__body p {
  margin-top: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
  max-width: 42ch;
}

/* --------------------------------------------------------------------------
   11. I+D (sección oscura con moléculas)
   -------------------------------------------------------------------------- */
.qt-id {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 85% 0%, rgba(0, 184, 212, .22), transparent 60%),
    radial-gradient(60% 50% at 0% 100%, rgba(0, 200, 150, .16), transparent 60%),
    var(--qt-blue-950);
}
.qt-id__lattice {
  position: absolute;
  inset: 0;
  opacity: .4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='166' viewBox='0 0 96 166'%3E%3Cpath d='M48 1 94 28v54L48 109 2 82V28z' fill='none' stroke='%2300b8d4' stroke-opacity='.18'/%3E%3C/svg%3E");
}
.qt-blocks {
  display: grid;
  gap: 18px;
  margin-top: 52px;
}
@media (min-width: 720px) { .qt-blocks { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .qt-blocks { grid-template-columns: repeat(4, 1fr); } }
.qt-block {
  position: relative;
  padding: 30px 26px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--qt-radius-m);
  background: rgba(255, 255, 255, .035);
  backdrop-filter: blur(4px);
  transition: border-color .3s var(--qt-ease), background .3s var(--qt-ease);
}
.qt-block:hover { border-color: rgba(0, 184, 212, .5); background: rgba(0, 184, 212, .07); }
.qt-block__n {
  font-family: var(--qt-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--qt-green-300);
}
.qt-block h3 { margin-top: 16px; font-size: var(--qt-t-h4); }
.qt-block p { margin-top: 10px; font-size: var(--qt-t-small); color: var(--text-on-dark-soft); }

/* --------------------------------------------------------------------------
   12. SOSTENIBILIDAD
   -------------------------------------------------------------------------- */
.qt-pillars {
  display: grid;
  gap: 16px;
  margin-top: 48px;
}
@media (min-width: 680px) { .qt-pillars { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .qt-pillars { grid-template-columns: repeat(4, 1fr); } }
.qt-pillar {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--qt-radius-m);
  background: var(--surface);
}
.qt-pillar svg { color: var(--success); }
.qt-pillar h3 { margin-top: 18px; font-size: var(--qt-t-h4); }
.qt-pillar p { margin-top: 8px; font-size: var(--qt-t-small); color: var(--text-soft); }

/* --------------------------------------------------------------------------
   13. TESTIMONIOS
   -------------------------------------------------------------------------- */
.qt-testi {
  display: grid;
  gap: 40px;
  align-items: center;
  margin-top: 46px;
}
@media (min-width: 940px) { .qt-testi { grid-template-columns: .9fr 1.1fr; } }
.qt-testi__quote {
  position: relative;
  padding: 38px 36px;
  border-radius: var(--qt-radius-l);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--qt-shadow-s);
}
.qt-testi__quote blockquote {
  margin: 0;
  font-family: var(--qt-font-display);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
  min-height: 5em;
}
.qt-testi__who { margin-top: 24px; display: flex; align-items: center; gap: 14px; }
.qt-testi__who .av {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--primary);
  color: #fff;
  clip-path: var(--qt-hex);
  font-family: var(--qt-font-display);
  font-weight: 700;
}
.qt-testi__who b { display: block; font-family: var(--qt-font-display); font-size: 15px; }
.qt-testi__who span { font-size: 13px; color: var(--text-muted); }
.qt-logos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.qt-logos div {
  height: 74px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--qt-gray-400);
  font-family: var(--qt-font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
  text-align: center;
  padding: 8px;
}
.qt-testi__dots { display: flex; gap: 8px; margin-top: 22px; }
.qt-testi__dots button {
  width: 26px; height: 4px;
  border: 0; padding: 0;
  background: var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background .25s var(--qt-ease), width .25s var(--qt-ease);
}
.qt-testi__dots button[aria-current="true"] { background: var(--accent); width: 40px; }

/* --------------------------------------------------------------------------
   14. BLOG
   -------------------------------------------------------------------------- */
.qt-posts {
  display: grid;
  gap: 20px;
  margin-top: 52px;
}
@media (min-width: 720px) { .qt-posts { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .qt-posts { grid-template-columns: repeat(3, 1fr); } }
.qt-post {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--qt-radius-m);
  overflow: hidden;
  transition: transform .3s var(--qt-ease), box-shadow .3s var(--qt-ease);
}
.qt-post:hover { transform: translateY(-6px); box-shadow: var(--qt-shadow-m); }
.qt-post__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--qt-gray-100); }
.qt-post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--qt-ease); }
.qt-post:hover .qt-post__media img { transform: scale(1.05); }
.qt-post__body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.qt-post__tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(0, 184, 212, .12);
  color: var(--accent-ink);
  font-family: var(--qt-font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.qt-post h3 { font-size: var(--qt-t-h4); line-height: 1.3; }
.qt-post time { font-family: var(--qt-font-mono); font-size: 11px; letter-spacing: .1em; color: var(--text-muted); }
.qt-post .qt-link { margin-top: auto; }

/* --------------------------------------------------------------------------
   15. CTA FINAL
   -------------------------------------------------------------------------- */
.qt-cta {
  position: relative;
  overflow: hidden;
  background: var(--qt-blue-900);
  color: #fff;
  isolation: isolate;
}
.qt-cta__media { position: absolute; inset: 0; z-index: -2; }
.qt-cta__media img { width: 100%; height: 100%; object-fit: cover; opacity: .28; }
.qt-cta__overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, rgba(6, 26, 51, .95) 20%, rgba(10, 46, 92, .82) 70%, rgba(0, 150, 173, .55));
}
.qt-cta__grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
@media (min-width: 940px) { .qt-cta__grid { grid-template-columns: 1fr 1fr; } }
.qt-cta h2 { font-size: var(--qt-t-h1); text-wrap: balance; }
.qt-cta__lead { margin-top: 22px; font-size: var(--qt-t-lead); color: #d5e4f2; max-width: 46ch; }
.qt-cta__info { margin-top: 34px; display: grid; gap: 16px; }
.qt-cta__info a, .qt-cta__info p {
  display: flex; align-items: center; gap: 14px;
  color: #eaf1f8;
}
.qt-cta__info svg { color: var(--qt-cyan-300); flex: none; }
.qt-cta__info small {
  display: block;
  font-family: var(--qt-font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--qt-cyan-300);
}

.qt-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 3vw, 36px);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--qt-radius-l);
  backdrop-filter: blur(10px);
}
.qt-form__row { display: grid; gap: 16px; }
@media (min-width: 560px) { .qt-form__row--2 { grid-template-columns: 1fr 1fr; } }
.qt-field { display: grid; gap: 7px; }
.qt-field label {
  font-family: var(--qt-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--qt-cyan-300);
}
.qt-field input, .qt-field select, .qt-field textarea {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  background: rgba(6, 26, 51, .5);
  color: #fff;
  font-family: var(--qt-font-body);
  font-size: 15px;
}
.qt-field input::placeholder, .qt-field textarea::placeholder { color: rgba(234, 241, 248, .5); }
.qt-field textarea { resize: vertical; min-height: 110px; }
.qt-form .qt-btn { justify-self: start; margin-top: 6px; }
.qt-form__legal { font-size: 12px; color: rgba(234, 241, 248, .6); }

/* --------------------------------------------------------------------------
   16. FOOTER
   -------------------------------------------------------------------------- */
.qt-footer {
  background: var(--qt-blue-950);
  color: #c4d3e3;
  padding: clamp(56px, 7vw, 92px) 0 34px;
}
.qt-footer__grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 780px) { .qt-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1.3fr 1fr; } }
.qt-footer h4 {
  font-family: var(--qt-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--qt-cyan-300);
  font-weight: 500;
  margin-bottom: 18px;
}
.qt-footer__brand p { margin-top: 16px; font-size: 14px; max-width: 34ch; color: #9fb2c8; }
.qt-footer__social { margin-top: 20px; display: flex; gap: 10px; }
.qt-footer__social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 10px;
  color: #c4d3e3;
  transition: border-color .2s var(--qt-ease), color .2s var(--qt-ease);
}
.qt-footer__social a:hover { border-color: var(--qt-cyan-500); color: var(--qt-cyan-300); }
.qt-footer nav { display: grid; gap: 11px; }
.qt-footer nav a, .qt-footer address a { font-size: 14.5px; color: #c4d3e3; }
.qt-footer nav a:hover, .qt-footer address a:hover { color: var(--qt-cyan-300); }
.qt-footer address { font-style: normal; display: grid; gap: 11px; font-size: 14.5px; }
.qt-footer__bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #8398b0;
}
.qt-footer__legal { display: flex; flex-wrap: wrap; gap: 18px; }

/* --------------------------------------------------------------------------
   17. REVEAL / MOVIMIENTO
   -------------------------------------------------------------------------- */
/* El contenido siempre visible: sin animación de entrada que lo oculte
   (en secciones muy altas el IntersectionObserver no disparaba y el texto
   tardaba en aparecer). */
.qt-reveal { opacity: 1; }

/* Modo captura: fija alturas de viewport para screenshots de página completa */
.is-capture .qt-hero { min-height: 820px; }

/* --------------------------------------------------------------------------
   18. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .qt-nav { display: none; }
  .qt-menu-btn { display: grid; }
}
@media (max-width: 760px) {
  .qt-wrap { padding: 0 20px; }
  .qt-hero__inner { padding: 130px 0 70px; }
  .qt-formula--2 { display: none; }
  .qt-trust__item { padding: 22px 20px; }
  .qt-footer__bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .qt-header .qt-btn--energy { display: none; }
}
@media (max-width: 560px) {
  .qt-header__bar { gap: 10px; min-height: 68px; }
  .qt-brand small { display: none; }
  .qt-brand__name { font-size: 16px; letter-spacing: .12em; }
  .qt-iconbtn { width: 38px; height: 38px; }
  .qt-lang { padding: 0 9px; height: 38px; }
}

/* Menú móvil */
.qt-mobile {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--qt-blue-950);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .4s var(--qt-ease);
  visibility: hidden;
}
.qt-mobile.is-open { transform: none; visibility: visible; }
.qt-mobile__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.qt-mobile nav { display: grid; gap: 4px; }
.qt-mobile nav a {
  padding: 16px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-family: var(--qt-font-display);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}
.qt-mobile .qt-btn { margin-top: 30px; }
.qt-mobile__actions { display: flex; gap: 10px; }

/* --------------------------------------------------------------------------
   19. prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .qt-reveal { opacity: 1; transform: none; }
}