/* ============================================================
   QUICK MOTORS - SISTEMA DE DISEÑO Y ESTILOS PRINCIPALES
   Identidad visual: Alto Rendimiento, Protección y Confiabilidad
   ============================================================ */

/* 1. TOKENS DE MARCA */
:root {
  --qm-navy: #082F63;
  --qm-navy-deep: #041A38;
  --qm-gold: #D5A315;
  --qm-gold-bright: #F0B91C;
  --qm-amber: #FFCA45;
  --qm-graphite: #111214;
  --qm-graphite-soft: #1B1D20;
  --qm-graphite-card: #16181B;
  --qm-white-warm: #F7F7F4;
  --qm-white: #FFFFFF;
  --qm-border-dark: rgba(255, 255, 255, 0.14);
  --qm-border-light: rgba(8, 47, 99, 0.12);
  --qm-font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --qm-transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 2. RESET Y BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--qm-font);
  background-color: var(--qm-white-warm);
  color: var(--qm-graphite);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

section[id] {
  scroll-margin-top: 100px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--qm-transition);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--qm-amber);
  outline-offset: 4px;
}

.qm-shell {
  width: min(100% - 48px, 1440px);
  margin-inline: auto;
}

.qm-dark {
  background-color: var(--qm-graphite);
  color: var(--qm-white-warm);
}

.qm-light {
  background-color: var(--qm-white-warm);
  color: var(--qm-graphite);
}

/* 3. TIPOGRAFÍA */
h1, h2, h3, h4 {
  font-family: var(--qm-font);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(48px, 6vw, 96px);
  line-height: 0.95;
}

h2 {
  font-size: clamp(38px, 5vw, 80px);
  line-height: 0.96;
}

h3 {
  font-size: clamp(20px, 1.8vw, 28px);
  line-height: 1.15;
}

h1 em, h2 em, h3 em {
  font-style: normal;
  color: var(--qm-gold);
}

p {
  font-size: 17px;
  line-height: 1.65;
  margin-bottom: 18px;
}

p:last-child {
  margin-bottom: 0;
}

.qm-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--qm-amber);
}

.qm-eyebrow i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: currentColor;
  display: inline-block;
}

.qm-lead {
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.6;
  max-width: 58ch;
  opacity: 0.9;
}

.qm-support {
  color: rgba(247, 247, 244, 0.7);
  font-size: 15px;
  max-width: 52ch;
  margin-top: 14px;
}

/* 4. BOTONES */
.qm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  padding: 0 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: var(--qm-transition);
  cursor: pointer;
  white-space: nowrap;
}

.qm-btn .qm-arrow {
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  font-size: 16px;
}

.qm-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -6px rgba(213, 163, 21, 0.35);
}

.qm-btn:hover .qm-arrow {
  transform: translateX(5px);
}

.qm-btn--premium {
  background: linear-gradient(120deg, var(--qm-gold) 0%, var(--qm-gold-bright) 55%, var(--qm-amber) 100%);
  color: #FFFFFF !important;
  box-shadow: 0 6px 20px -4px rgba(213, 163, 21, 0.3);
}

.qm-btn--premium:hover {
  background: linear-gradient(120deg, var(--qm-gold-bright) 0%, var(--qm-amber) 100%);
  color: #FFFFFF !important;
}

.qm-btn--outline {
  border: 1px solid var(--qm-border-dark);
  color: var(--qm-white-warm);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}

.qm-btn--outline:hover {
  border-color: var(--qm-amber);
  color: var(--qm-amber);
  background: rgba(255, 202, 69, 0.08);
}

.qm-btn--outline-dark {
  border: 1px solid var(--qm-border-light);
  color: var(--qm-graphite);
  background: transparent;
}

.qm-btn--outline-dark:hover {
  border-color: var(--qm-navy);
  color: var(--qm-navy);
  background: rgba(8, 47, 99, 0.04);
}

/* 5. NAVBAR */
.qm-navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 40px;
  min-height: 110px;
  transition: background 0.4s, padding 0.4s, border-color 0.4s, box-shadow 0.4s;
  border-bottom: 1px solid transparent;
}

.qm-navbar--scrolled {
  background: rgba(17, 18, 20, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 8px 40px;
  min-height: 84px;
  border-color: var(--qm-border-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.qm-navbar .qm-logo {
  display: flex;
  align-items: center;
}

.qm-navbar .qm-logo img {
  height: 90px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  border-radius: 6px;
  transition: height 0.35s ease, max-width 0.35s ease;
}

.qm-navbar--scrolled .qm-logo img {
  height: 68px;
  max-width: 170px;
}

.qm-nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qm-white-warm);
}

.qm-nav-links a {
  position: relative;
  padding: 8px 0;
  opacity: 0.85;
}

.qm-nav-links a:hover {
  opacity: 1;
  color: var(--qm-amber);
}

.qm-nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--qm-amber);
  transition: width 0.35s ease;
}

.qm-nav-links a:hover::after,
.qm-nav-links a.active::after {
  width: 100%;
}

.qm-menu-btn {
  display: none;
  margin-left: auto;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--qm-border-dark);
  background: rgba(255, 255, 255, 0.04);
  color: var(--qm-white-warm);
  border-radius: 4px;
  font-size: 24px;
}

.qm-mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--qm-graphite);
  padding: 24px 32px 36px;
  flex-direction: column;
  gap: 8px;
  border-bottom: 2px solid var(--qm-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.qm-navbar--open .qm-mobile-menu {
  display: flex;
}

.qm-mobile-menu a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 58px;
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--qm-white-warm);
  border-bottom: 1px solid var(--qm-border-dark);
}

.qm-mobile-menu a span {
  font-size: 12px;
  color: var(--qm-amber);
  letter-spacing: 0.1em;
}

.qm-mobile-menu .qm-btn {
  margin-top: 16px;
  width: 100%;
}

/* 6. HERO */
.qm-hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 160px 0 90px;
  background:
    radial-gradient(110% 85% at 75% 25%, rgba(213, 163, 21, 0.18) 0%, transparent 60%),
    radial-gradient(85% 70% at 15% 80%, rgba(8, 47, 99, 0.65) 0%, transparent 65%),
    var(--qm-graphite);
}

.qm-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--qm-border-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--qm-border-dark) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.22;
  mask-image: radial-gradient(70% 60% at 50% 45%, #000, transparent);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 45%, #000, transparent);
  pointer-events: none;
}

.qm-hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 46fr 54fr;
  gap: 56px;
  align-items: center;
}

.qm-hero-copy {
  z-index: 5;
}

.qm-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.qm-hero-visual {
  position: relative;
  min-height: min(70vw, 760px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Flujo de aceite orgánico animado */
.qm-oil {
  position: absolute;
  inset: 4% 2% 6%;
  filter: blur(28px);
  opacity: 0.45;
  pointer-events: none;
  mix-blend-mode: screen;
}

.qm-oil-shape {
  animation: qm-oil-breathe 11s ease-in-out infinite;
  transform-origin: 50% 50%;
}

.qm-oil-shape--glow {
  animation-duration: 15s;
  animation-direction: reverse;
  opacity: 0.55;
}

@keyframes qm-oil-breathe {
  0%, 100% {
    transform: scale(1) skewX(0deg) translate3d(0, 0, 0);
  }
  33% {
    transform: scale(1.06) skewX(2.5deg) translate3d(1.5%, -2%, 0);
  }
  66% {
    transform: scale(0.96) skewX(-2deg) translate3d(-1.5%, 2%, 0);
  }
}

.qm-stage {
  position: absolute;
  inset: 4% 0 2%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3%;
  z-index: 2;
}

.qm-bottle {
  position: relative;
  filter: drop-shadow(0 34px 44px rgba(0, 0, 0, 0.65));
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.qm-bottle img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: saturate(1.02) contrast(1.04);
}

.qm-bottle--large {
  width: 44%;
  height: 92%;
  z-index: 3;
}

.qm-bottle--small {
  width: 28%;
  height: 70%;
  opacity: 0.94;
}

.qm-bottle:hover {
  transform: translateY(-8px) scale(1.03);
}

.qm-reflection {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 0;
  height: 120px;
  background: linear-gradient(to bottom, rgba(255, 202, 69, 0.16), transparent);
  filter: blur(20px);
  pointer-events: none;
}

.qm-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 64px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(247, 247, 244, 0.78);
  border-top: 1px solid var(--qm-border-dark);
  padding-top: 32px;
}

.qm-trust span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qm-trust span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--qm-amber);
  box-shadow: 0 0 8px var(--qm-amber);
}

.qm-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(247, 247, 244, 0.6);
  z-index: 5;
}

.qm-scroll-hint::after {
  content: "";
  width: 1px;
  height: 36px;
  background: linear-gradient(var(--qm-amber), transparent);
  animation: qm-drop 2.2s ease-in-out infinite;
}

@keyframes qm-drop {
  0% {
    transform: scaleY(0.2);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  100% {
    transform: scaleY(0.2);
    transform-origin: top;
  }
}

/* 7. SECCIONES GENERALES */
.qm-section {
  padding: 160px 0;
  position: relative;
}

.qm-section--wide {
  padding: 200px 0;
}

/* Nosotros / Declaración */
.qm-statement {
  position: relative;
  overflow: hidden;
}

.qm-statement-copy {
  max-width: 62ch;
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.55;
  margin-top: 44px;
  color: var(--qm-graphite-soft);
}

.qm-drop {
  position: absolute;
  right: -6%;
  top: 8%;
  width: 44vw;
  height: 44vw;
  max-width: 650px;
  max-height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 202, 69, 0.32), rgba(213, 163, 21, 0.08) 58%, transparent 70%);
  filter: blur(12px);
  pointer-events: none;
}

/* Categorías / Soluciones */
.qm-cat-list {
  margin-top: 64px;
  border-top: 1px solid var(--qm-border-dark);
}

.qm-cat {
  display: grid;
  grid-template-columns: 70px 64px 1fr auto 32px;
  align-items: center;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--qm-border-dark);
  transition: padding 0.4s, color 0.4s, background-color 0.4s;
}

.qm-cat:hover {
  padding-left: 20px;
  color: var(--qm-amber);
  background: rgba(255, 255, 255, 0.02);
}

.qm-cat > span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--qm-gold);
}

.qm-cat h3 {
  font-size: clamp(24px, 2.8vw, 42px);
  transition: transform 0.4s;
}

.qm-cat:hover h3 {
  transform: translateX(8px);
}

.qm-cat small {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.65;
  font-weight: 600;
}

.qm-orb {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--qm-amber), var(--qm-gold) 55%, rgba(8, 47, 99, 0.9));
  opacity: 0.9;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 4px 14px rgba(213, 163, 21, 0.25);
}

.qm-cat:hover .qm-orb {
  transform: scale(1.18);
  box-shadow: 0 6px 20px rgba(255, 202, 69, 0.4);
}

/* 8. PRODUCTOS DESTACADOS */
.qm-products-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

.qm-slider-buttons {
  display: flex;
  gap: 12px;
}

.qm-slider-buttons .qm-btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 18px;
}

.qm-slider {
  overflow: hidden;
  margin-top: 60px;
  cursor: grab;
  user-select: none;
  scrollbar-width: none;
}

.qm-slider::-webkit-scrollbar {
  display: none;
}

.qm-slider.is-dragging {
  cursor: grabbing;
}

.qm-track {
  display: flex;
  gap: 30px;
  width: max-content;
  transition: transform 0.35s ease;
}

.qm-slide {
  flex: 0 0 380px;
  max-width: 440px;
  background: var(--qm-white);
  border-radius: 6px;
  padding: 24px;
  border: 1px solid var(--qm-border-light);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  transition: var(--qm-transition);
}

.qm-slide:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px -10px rgba(8, 47, 99, 0.14);
}

.qm-slide .qm-product-image {
  position: relative;
  height: 380px;
  background: linear-gradient(160deg, rgba(8, 47, 99, 0.06), rgba(213, 163, 21, 0.1));
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 22px;
}

.qm-slide .qm-product-image img {
  width: 65%;
  height: 85%;
  object-fit: contain;
  filter: drop-shadow(0 20px 24px rgba(0, 0, 0, 0.22));
  transition: transform 0.5s ease;
}

.qm-slide:hover .qm-product-image img {
  transform: scale(1.06);
}

.qm-slide .qm-index {
  position: absolute;
  top: 16px;
  left: 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--qm-gold);
}

.qm-slide .qm-badge {
  position: absolute;
  top: 16px;
  right: 18px;
  background: var(--qm-navy);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
}

.qm-slide .qm-cat-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--qm-gold);
  margin-bottom: 8px;
}

.qm-slide h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: var(--qm-graphite);
}

.qm-slide p {
  font-size: 14px;
  color: #555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.qm-slide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--qm-border-light);
  padding-top: 18px;
  margin-top: auto;
}

.qm-slide a.qm-prod-cta {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--qm-navy);
}

.qm-slide a.qm-prod-cta:hover {
  color: var(--qm-gold);
}

/* 9. MARCAS (MARQUEE INFINITO) */
.qm-marquee {
  overflow: hidden;
  margin-top: 64px;
  border-block: 1px solid var(--qm-border-dark);
  padding: 32px 0;
  background: rgba(255, 255, 255, 0.02);
}

.qm-marquee > div {
  display: flex;
  gap: 70px;
  width: max-content;
  animation: qm-marquee 30s linear infinite;
  font-size: clamp(24px, 3vw, 44px);
  font-weight: 800;
  letter-spacing: 0.02em;
  opacity: 0.6;
}

.qm-marquee:hover > div {
  animation-play-state: paused;
}

.qm-marquee span {
  display: inline-flex;
  align-items: center;
  gap: 70px;
}

.qm-marquee span::after {
  content: "•";
  color: var(--qm-gold);
  font-size: 0.6em;
}

@keyframes qm-marquee {
  to {
    transform: translateX(-50%);
  }
}

/* 10. SECTORES */
.qm-sector-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 64px;
  align-items: center;
}

.qm-sector-tabs {
  display: flex;
  flex-direction: column;
}

.qm-sector-tabs button {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--qm-border-dark);
  color: inherit;
  font-size: clamp(20px, 2.2vw, 32px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  text-align: left;
  opacity: 0.45;
  transition: opacity 0.35s, padding 0.35s, color 0.35s;
}

.qm-sector-tabs button[aria-selected="true"],
.qm-sector-tabs button:hover {
  opacity: 1;
  padding-left: 16px;
  color: var(--qm-amber);
}

.qm-sector-tabs button span {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--qm-gold);
}

.qm-sector-panel {
  background: var(--qm-graphite-card);
  padding: 48px;
  border-radius: 8px;
  border: 1px solid var(--qm-border-dark);
  position: relative;
  overflow: hidden;
}

.qm-sector-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--qm-gold);
}

.qm-sector-panel p {
  font-size: 20px;
  line-height: 1.6;
}

.qm-sector-panel small {
  display: block;
  margin-top: 32px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  font-weight: 700;
}

.qm-sector-panel strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
  color: var(--qm-amber);
}

/* 11. BENEFICIOS / POR QUÉ QUICK MOTORS */
.qm-benefit-grid {
  margin-top: 50px;
}

.qm-benefit {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 44px 0;
  border-bottom: 1px solid var(--qm-border-light);
  align-items: baseline;
}

.qm-benefit > span {
  font-size: clamp(42px, 4.5vw, 80px);
  font-weight: 800;
  line-height: 0.9;
  color: var(--qm-gold);
  opacity: 0.4;
}

.qm-benefit h3 {
  font-size: clamp(22px, 2vw, 30px);
  margin-bottom: 10px;
}

.qm-benefit p {
  max-width: 60ch;
  color: #444;
  font-size: 16px;
}

/* 12. DISTRIBUCIÓN */
.qm-distribution-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.qm-route {
  position: relative;
  aspect-ratio: 1;
  max-height: 480px;
  border: 1px solid var(--qm-border-dark);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 50%, rgba(8, 47, 99, 0.6), transparent 70%),
    linear-gradient(var(--qm-border-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--qm-border-dark) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  overflow: hidden;
}

.qm-route i {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--qm-amber);
  box-shadow: 0 0 20px 4px var(--qm-amber);
  animation: qm-pulse 3s ease-in-out infinite;
}

.qm-route-line {
  position: absolute;
  border: 1px dashed rgba(255, 202, 69, 0.35);
  pointer-events: none;
}

@keyframes qm-pulse {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.3);
    opacity: 1;
  }
}

.qm-dist-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 48px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--qm-amber);
}

.qm-dist-tags span {
  padding: 8px 18px;
  border: 1px solid var(--qm-border-dark);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

/* 13. BANNER DE RENDIMIENTO */
.qm-performance {
  position: relative;
  overflow: hidden;
  padding: 190px 0;
  text-align: center;
  color: var(--qm-white-warm);
  background: linear-gradient(160deg, var(--qm-navy-deep), var(--qm-graphite) 65%);
}

.qm-performance::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 50% 40%, rgba(255, 202, 69, 0.22), transparent 70%);
  pointer-events: none;
}

.qm-performance .qm-shell {
  position: relative;
  z-index: 2;
}

.qm-performance h2 {
  max-width: 20ch;
  margin-inline: auto;
}

/* 14. PREGUNTAS FRECUENTES (FAQ) */
.qm-faq-list {
  margin-top: 56px;
  border-top: 1px solid var(--qm-border-light);
}

.qm-faq-item {
  border-bottom: 1px solid var(--qm-border-light);
}

.qm-faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 30px 0;
  text-align: left;
  font-size: clamp(17px, 1.4vw, 22px);
  font-weight: 700;
  color: inherit;
  transition: color 0.3s ease;
}

.qm-faq-item button:hover {
  color: var(--qm-navy);
}

.qm-faq-item button i {
  font-style: normal;
  color: var(--qm-gold);
  margin-right: 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.qm-faq-item .qm-faq-icon {
  font-size: 26px;
  font-weight: 400;
  color: var(--qm-gold);
  transition: transform 0.35s ease;
  flex-shrink: 0;
}

.qm-faq-item.is-open .qm-faq-icon {
  transform: rotate(45deg);
}

.qm-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.qm-faq-item.is-open .qm-faq-answer {
  max-height: 380px;
}

.qm-faq-answer p {
  padding-bottom: 28px;
  max-width: 72ch;
  color: #4e4e4e;
  font-size: 16px;
}

/* 15. CTA FINAL */
.qm-final {
  position: relative;
  overflow: hidden;
  padding: 190px 0;
  background: linear-gradient(150deg, var(--qm-navy) 0%, var(--qm-navy-deep) 75%);
  color: var(--qm-white-warm);
}

.qm-final .qm-oil {
  inset: auto -10% -30% 40%;
  height: 125%;
}

.qm-final h2 {
  color: var(--qm-white-warm);
}

.qm-final .qm-lead {
  color: rgba(247, 247, 244, 0.8);
  margin-top: 24px;
}

/* 16. CONTACTO */
.qm-contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.qm-contact-info ul {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.qm-contact-info li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--qm-border-light);
  font-size: 15px;
}

.qm-contact-info li span {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  font-weight: 700;
}

.qm-contact-info li a {
  font-weight: 600;
  color: var(--qm-navy);
}

.qm-contact-info li a:hover {
  color: var(--qm-gold);
}

.qm-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label.qm-field {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 20px;
}

.qm-field input,
.qm-field textarea {
  width: 100%;
  margin-top: 8px;
  min-height: 52px;
  padding: 14px 18px;
  border: 1px solid var(--qm-border-light);
  background: var(--qm-white);
  font-family: inherit;
  font-size: 15px;
  border-radius: 4px;
  color: var(--qm-graphite);
  transition: var(--qm-transition);
}

.qm-field textarea {
  min-height: 130px;
  resize: vertical;
}

.qm-field input:focus,
.qm-field textarea:focus {
  border-color: var(--qm-gold);
  box-shadow: 0 0 0 3px rgba(213, 163, 21, 0.15);
}

.qm-form-status {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
}

.qm-form-status.success {
  color: #1e824c;
}

.qm-form-status.error {
  color: #cf2e2e;
}

/* 17. FOOTER */
.qm-footer {
  position: relative;
  overflow: hidden;
  padding: 110px 0 50px;
  background: var(--qm-graphite);
  color: var(--qm-white-warm);
}

.qm-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.qm-footer .qm-logo img {
  height: 56px;
  width: auto;
  border-radius: 4px;
}

.qm-footer a:hover {
  color: var(--qm-amber);
}

.qm-footer-word {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3vw;
  font-size: 17vw;
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.06em;
  text-align: center;
  color: rgba(255, 255, 255, 0.035);
  pointer-events: none;
  white-space: nowrap;
}

.qm-footer-bottom {
  position: relative;
  z-index: 2;
  margin-top: 70px;
  padding-top: 26px;
  border-top: 1px solid var(--qm-border-dark);
  font-size: 13px;
  letter-spacing: 0.06em;
  opacity: 0.65;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* 18. BOTÓN FLOTANTE DE WHATSAPP */
.qm-whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 850;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.qm-whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
}

.qm-whatsapp-btn svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.qm-whatsapp-btn::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25D366;
  opacity: 0;
  animation: qm-wa-pulse 2s infinite;
}

@keyframes qm-wa-pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

.qm-whatsapp-float:hover .qm-whatsapp-btn {
  transform: scale(1.08);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.6);
}

.qm-whatsapp-tooltip {
  background: #111214;
  color: #FFFFFF;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--qm-border-dark);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--qm-transition);
  pointer-events: none;
}

.qm-whatsapp-float:hover .qm-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* 19. MODAL DE COTIZACIÓN RÁPIDA */
.qm-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.qm-modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.qm-modal {
  background: var(--qm-white);
  color: var(--qm-graphite);
  width: min(100%, 540px);
  border-radius: 8px;
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.qm-modal-overlay.is-active .qm-modal {
  transform: translateY(0);
}

.qm-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: #eee;
  color: #333;
}

.qm-modal-close:hover {
  background: #ddd;
}

/* 20. REVELADOS Y ANIMACIONES */
.qm-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.85s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.85s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.qm-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Cursor interactivo de escritorio */
.qm-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 950;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--qm-amber);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--qm-graphite);
  transition: width 0.3s, height 0.3s, background 0.3s;
  opacity: 0;
}

.qm-cursor.is-active {
  width: 84px;
  height: 84px;
  background: rgba(255, 202, 69, 0.94);
  box-shadow: 0 0 24px rgba(255, 202, 69, 0.6);
}

/* 21. RESPONSIVE DESIGN */
@media (max-width: 1180px) {
  .qm-hero-content,
  .qm-sector-layout,
  .qm-distribution-layout,
  .qm-contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .qm-nav-links,
  .qm-navbar .qm-nav-cta {
    display: none;
  }

  .qm-menu-btn {
    display: flex;
  }

  .qm-cursor {
    display: none;
  }
}

@media (max-width: 768px) {
  .qm-navbar {
    min-height: 88px;
    padding: 10px 20px;
  }

  .qm-navbar--scrolled {
    min-height: 76px;
    padding: 8px 20px;
  }

  .qm-navbar .qm-logo img {
    height: 64px;
    max-width: 140px;
  }

  .qm-navbar--scrolled .qm-logo img {
    height: 54px;
    max-width: 120px;
  }

  .qm-shell {
    width: min(100% - 32px, 100%);
  }

  h1 {
    font-size: clamp(38px, 10vw, 54px);
  }

  h2 {
    font-size: clamp(32px, 8.5vw, 44px);
  }

  .qm-section,
  .qm-section--wide,
  .qm-performance,
  .qm-final {
    padding: 100px 0;
  }

  .qm-hero {
    padding: 130px 0 70px;
  }

  .qm-hero-visual {
    order: 2;
    min-height: 380px;
  }

  .qm-hero-copy {
    order: 1;
  }

  .qm-bottle--large {
    width: 48%;
  }

  .qm-bottle--small {
    width: 30%;
  }

  .qm-hero-actions {
    flex-direction: column;
  }

  .qm-hero-actions .qm-btn {
    width: 100%;
  }

  .qm-cat {
    grid-template-columns: 50px 1fr 28px;
    row-gap: 8px;
  }

  .qm-cat .qm-orb {
    display: none;
  }

  .qm-cat small {
    grid-column: 2 / 4;
  }

  .qm-slide {
    flex: 0 0 calc(100vw - 48px);
  }

  .qm-benefit {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .qm-form-grid {
    grid-template-columns: 1fr;
  }

  .qm-footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .qm-whatsapp-float {
    bottom: 20px;
    right: 20px;
  }

  .qm-whatsapp-btn {
    width: 54px;
    height: 54px;
  }
}

/* ============================================================
   22. SECCIÓN APLICACIONES (RETAIL E INDUSTRIAL) - INSPIRADA EN ISOPETROL
   ============================================================ */
.qm-applications {
  padding: 100px 0 110px;
  background-color: var(--qm-white-warm);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--qm-border-light);
}

.qm-app-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 46px;
}

.qm-app-header .qm-eyebrow {
  justify-content: center;
}

.qm-app-header h2 {
  color: var(--qm-navy);
  font-size: clamp(34px, 4.2vw, 56px);
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.qm-app-header .qm-app-subtitle {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--qm-gold);
  margin-bottom: 14px;
}

.qm-app-divider {
  width: 50px;
  height: 3px;
  background: var(--qm-amber);
  margin: 0 auto 18px;
  border-radius: 2px;
}

.qm-app-slider {
  overflow: hidden;
  cursor: grab;
  user-select: none;
  scrollbar-width: none;
  padding: 8px 0 16px;
}

.qm-app-slider::-webkit-scrollbar {
  display: none;
}

.qm-app-slider.is-dragging {
  cursor: grabbing;
}

.qm-app-track {
  display: flex;
  gap: 20px;
  width: max-content;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Tarjeta estilo Isopetrol: .proyecto-box */
.qm-app-card {
  flex: 0 0 320px;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4 / 3;
  background-color: #0E1014;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  display: block;
}

.qm-app-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.qm-app-card:hover img {
  transform: translateY(-12px) scale(1.04);
  filter: brightness(0.94);
}

.qm-app-card .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  color: var(--qm-graphite);
  padding: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.4s ease;
  transform: translateY(100%);
  opacity: 0;
  z-index: 10;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.12);
}

.qm-app-card:hover .caption {
  transform: translateY(0);
  opacity: 1;
}

.qm-app-card .caption-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 60px;
}

.qm-app-card .text-tittl {
  color: #000;
  padding: 10px 16px;
}

.qm-app-card .text-tittl p {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--qm-navy);
  line-height: 1.2;
}

.qm-app-card .text-tittl small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: #777;
  margin-top: 3px;
  letter-spacing: 0.03em;
}

.qm-app-card .btn-vermas {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--qm-gold) 0%, var(--qm-amber) 100%);
  color: #FFFFFF;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
  margin-left: auto;
  flex-shrink: 0;
}

.qm-app-card:hover .btn-vermas {
  background: var(--qm-navy);
  color: var(--qm-gold-bright);
}

.qm-app-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 34px;
}

.qm-app-controls .qm-btn {
  min-height: 44px;
  padding: 0 20px;
  font-size: 16px;
}

@media (max-width: 768px) {
  .qm-app-card {
    flex: 0 0 260px;
  }
  .qm-app-card .caption {
    transform: translateY(0);
    opacity: 1;
    background: rgba(255, 255, 255, 0.94);
  }
}