/* =========================================================
   DANFRI Climatización — hoja de estilos
   Solo HTML + CSS. Sin JavaScript.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Color */
  --aire: #F3F7FA;        /* fondo general, blanco con un punto azul */
  --blanco: #FFFFFF;
  --pizarra: #14232F;     /* texto principal y secciones oscuras */
  --pizarra-2: #1E3242;
  --niebla: #566876;      /* texto secundario */
  --linea: #D7E1E8;
  --mar: #0B6FB0;         /* color principal (frío) */
  --mar-claro: #5DB7DA;
  --sol: #F2A33A;         /* acento cálido (calor) */
  --brasa: #DA5A2A;

  --escala: linear-gradient(90deg, #0B6FB0 0%, #3E9BD0 22%, #9AD3E4 40%, #EFE6C8 52%, #F6C066 66%, #F2A33A 80%, #DA5A2A 100%);

  /* Tipografía */
  --f-display: "Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --f-text: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Medidas */
  --wrap: 1180px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --radius-lg: 28px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --header-h: 76px;
  --section-y: clamp(4rem, 9vw, 7.5rem);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--aire);
  color: var(--pizarra);
  font-family: var(--f-text);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3 {
  font-family: var(--f-display);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a { color: var(--mar); text-underline-offset: 0.18em; }
a:hover { color: var(--pizarra); }

:focus-visible {
  outline: 3px solid var(--sol);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.ico {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[id] { scroll-margin-top: calc(var(--header-h) + 12px); }

.skip {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  background: var(--pizarra);
  color: var(--blanco);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
}
.skip:focus { top: 1rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 52px;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font: 600 1rem/1.2 var(--f-text);
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--mar); color: var(--blanco); }
.btn-primary:hover { background: var(--pizarra); color: var(--blanco); }

.btn-ghost { border-color: var(--linea); color: var(--pizarra); background: var(--blanco); }
.btn-ghost:hover { border-color: var(--pizarra); color: var(--pizarra); }

.btn-warm { background: var(--sol); color: var(--pizarra); }
.btn-warm:hover { background: #F7B95E; color: var(--pizarra); }

.btn-call {
  min-height: 44px;
  padding: 0.5rem 1.1rem;
  background: var(--pizarra);
  color: var(--blanco);
}
.btn-call:hover { background: var(--mar); color: var(--blanco); }

/* ---------- Cabecera ---------- */
.site-header {
  background: rgba(243, 247, 250, 0.88);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--linea);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--pizarra);
  flex: none;
}
.brand:hover { color: var(--pizarra); }

/* Marca gráfica: una "D" con la escala térmica */
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px 50% 50% 10px;
  background: var(--escala);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px 12px 9px 9px;
  border-radius: 3px 50% 50% 3px;
  background: var(--aire);
}

.brand-text {
  font: 800 1.45rem/1 var(--f-display);
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
}
.brand-text small {
  font: 500 0.78rem/1.2 var(--f-text);
  letter-spacing: 0.01em;
  color: var(--niebla);
  margin-top: 0.15rem;
}

.main-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}
.main-nav a {
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  color: var(--pizarra);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.97rem;
  white-space: nowrap;
}
.main-nav a:hover { background: var(--blanco); color: var(--mar); }

/* ---------- Portada ---------- */
.hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(3rem, 6vw, 4.5rem);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-place {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--niebla);
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.hero-place .ico { color: var(--mar); }

.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 13ch;
}

.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  color: var(--niebla);
  margin-top: 1.5rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-facts {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--pizarra);
}
.hero-facts li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-facts li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mar-claro);
  flex: none;
}

/* Imagen de portada con fondo de respaldo mientras no haya foto */
.hero-media {
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    url("../img/hero-danfri.webp") center / cover no-repeat,
    radial-gradient(120% 80% at 0% 0%, rgba(93, 183, 218, .9), transparent 60%),
    radial-gradient(120% 90% at 100% 100%, rgba(242, 163, 58, .85), transparent 60%),
    linear-gradient(160deg, #CFE7F2, #F6E2C2);
  box-shadow: 0 30px 60px -30px rgba(20, 35, 47, .45);
}

/* Escala térmica: elemento distintivo */
.thermo { margin-top: clamp(2.5rem, 5vw, 3.5rem); }

.thermo-track {
  position: relative;
  height: 64px;
  border-radius: 999px;
  background: var(--escala);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 1.25rem;
}

.thermo-end {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.thermo-cold { color: var(--blanco); }
.thermo-hot { color: var(--blanco); }

.thermo-marker {
  position: absolute;
  top: 50%;
  left: 42.857%; /* 22° en una escala de 16° a 30° */
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem 0.45rem 0.5rem;
  background: var(--pizarra);
  color: var(--blanco);
  border-radius: 999px;
  box-shadow: 0 10px 24px -8px rgba(20, 35, 47, .55);
  white-space: nowrap;
  animation: setpoint 1.6s cubic-bezier(.2, .8, .2, 1) .3s both;
}
.thermo-marker b {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blanco);
  color: var(--pizarra);
  font: 800 1.05rem/1 var(--f-display);
}
.thermo-marker em {
  font-style: normal;
  font-weight: 500;
  font-size: 0.92rem;
}

@keyframes setpoint {
  0%   { left: 8%;  opacity: 0; }
  20%  { opacity: 1; }
  70%  { left: 46%; }
  100% { left: 42.857%; opacity: 1; }
}

.thermo-ticks {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0 1.25rem;
  display: flex;
  justify-content: space-between;
  color: var(--niebla);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Franja de confianza ---------- */
.trust {
  border-block: 1px solid var(--linea);
  background: var(--blanco);
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 1rem 2.5rem;
  padding-block: 1.5rem;
}
.trust-title {
  font: 600 0.95rem/1.3 var(--f-text);
  letter-spacing: 0;
  color: var(--niebla);
  flex: none;
  max-width: 14ch;
}
.trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  font: 700 1.02rem/1.3 var(--f-display);
  color: var(--pizarra);
}

/* ---------- Secciones ---------- */
.section { padding-block: var(--section-y); }
.section-tint { background: var(--blanco); }
.section-dark { background: var(--pizarra); color: #DCE6EE; }
.section-dark h2, .section-dark h3 { color: var(--blanco); }
.section-dark a { color: var(--sol); }
.section-dark a:hover { color: var(--blanco); }

.section-head {
  max-width: 720px;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.section-head h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.section-head p {
  margin-top: 1rem;
  font-size: 1.12rem;
  color: var(--niebla);
  max-width: 60ch;
}
.section-dark .section-head p { color: #A9BBC8; }

/* ---------- Servicios ---------- */
.services { border-top: 1px solid var(--linea); }

.service {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 1rem 2.5rem;
  align-items: start;
  padding-block: 1.9rem;
  border-bottom: 1px solid var(--linea);
}

.service-name {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.service h3 { font-size: 1.45rem; font-weight: 700; }
.service > p { color: var(--niebla); max-width: 48ch; }

.service-ico {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex: none;
}
.service-ico .ico { width: 26px; height: 26px; }
.service-ico.cool { background: #DCEEF8; color: var(--mar); }
.service-ico.warm { background: #FCEBD3; color: #B5621A; }
.service-ico.neutral { background: #E7ECF0; color: var(--pizarra); }

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.tags li {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--linea);
  border-radius: 999px;
  background: var(--blanco);
}

.lifecycle {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--pizarra);
  color: #DCE6EE;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.life-step {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  position: relative;
}
.life-step + .life-step { border-left: 1px solid rgba(255, 255, 255, .12); }
.life-step h3 { color: var(--blanco); font-size: 1.35rem; margin: 0.6rem 0 0.6rem; }
.life-step p { color: #A9BBC8; }
.life-when {
  display: inline-block;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  color: var(--pizarra);
}
.life-step:nth-child(1) .life-when { background: var(--mar-claro); }
.life-step:nth-child(2) .life-when { background: #EFE6C8; }
.life-step:nth-child(3) .life-when { background: var(--sol); }

/* ---------- Para quién ---------- */
.audiences {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}
.audiences li { border-top: 3px solid var(--pizarra); padding-top: 1.25rem; }
.audiences .ico { width: 30px; height: 30px; color: var(--mar); }
.audiences h3 { font-size: 1.25rem; margin: 1rem 0 0.5rem; }
.audiences p { color: var(--niebla); font-size: 1rem; }

/* ---------- Proceso ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  counter-reset: paso;
  position: relative;
}
.step { counter-increment: paso; position: relative; }
.step::before {
  content: counter(paso);
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blanco);
  border: 2px solid var(--pizarra);
  font: 800 1.35rem/1 var(--f-display);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
/* línea que une los pasos */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 28px;
  left: 56px;
  right: -1.5rem;
  height: 2px;
  background: var(--escala);
}
.step h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.step p { color: var(--niebla); font-size: 1rem; }

/* ---------- Proyectos ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 270px;
  gap: 1rem;
}
.project {
  --fallback: linear-gradient(150deg, #24465E, #0B6FB0);
  margin: 0;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--pizarra-2);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.project:nth-child(2) { --fallback: linear-gradient(150deg, #3A3A52, #C9773A); }
.project:nth-child(3) { --fallback: linear-gradient(150deg, #1E3242, #3E9BD0); }
.project:nth-child(4) { --fallback: linear-gradient(150deg, #2E4A5E, #8FC6DC); }
.project:nth-child(5) { --fallback: linear-gradient(150deg, #4A3A2A, #F2A33A); }
.project:nth-child(6) { --fallback: linear-gradient(150deg, #1A2B38, #4F7A96); }

.project::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(12, 22, 30, .85));
}
.project-xl { grid-column: span 2; grid-row: span 2; }

.project figcaption {
  position: relative;
  z-index: 1;
  padding: 1.25rem 1.35rem;
}
.project h3 { font-size: 1.2rem; line-height: 1.2; max-width: 30ch; }
.project-xl h3 { font-size: clamp(1.4rem, 2.4vw, 2rem); }
.project figcaption p { color: #C5D3DD; font-size: 0.95rem; margin-top: 0.3rem; }
.project-kind {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  color: var(--blanco);
  margin-bottom: 0.6rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.projects-more { margin-top: 2rem; font-size: 1.1rem; }

/* ---------- Empresa ---------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}
.about-copy > p { color: var(--niebla); max-width: 62ch; }
.about-copy > p + p { margin-top: 1rem; }

.timeline {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.timeline li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding-block: 0.9rem;
  border-top: 1px solid var(--linea);
}
.timeline b { font: 800 1.15rem/1.4 var(--f-display); color: var(--mar); }

.about-media {
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    url("../img/detalle-tecnico.webp") center / cover no-repeat,
    radial-gradient(90% 70% at 100% 0%, rgba(242, 163, 58, .7), transparent 60%),
    linear-gradient(200deg, #9AD3E4, #24465E);
}

/* ---------- Opiniones ---------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.quote {
  margin: 0;
  padding: 2rem;
  background: var(--aire);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}
.quote-mark { width: 34px; height: 34px; color: var(--sol); fill: var(--sol); stroke: none; }
.quote p { font-size: 1.08rem; margin: 1rem 0 1.5rem; flex: 1; }
.quote footer { display: flex; flex-direction: column; font-size: 0.95rem; }
.quote footer span { color: var(--niebla); }

/* ---------- Preguntas ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem 4rem;
  align-items: start;
}
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  cursor: pointer;
  font: 700 1.15rem/1.3 var(--f-display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico {
  width: 30px;
  height: 30px;
  padding: 5px;
  border-radius: 50%;
  background: var(--blanco);
  border: 1px solid var(--linea);
  transition: transform .25s;
}
.faq details[open] summary .ico { transform: rotate(45deg); }
.faq details p { padding: 0 3rem 1.4rem 0; color: var(--niebla); }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.contact h2 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.contact-lead { margin-top: 1rem; font-size: 1.12rem; color: #A9BBC8; max-width: 44ch; }

.section-dark .contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  font: 800 clamp(2rem, 4.4vw, 3rem)/1 var(--f-display);
  letter-spacing: -0.02em;
  color: var(--blanco);
  text-decoration: none;
}
.contact-phone .ico {
  width: 54px;
  height: 54px;
  padding: 13px;
  border-radius: 50%;
  background: var(--sol);
  color: var(--pizarra);
}
.section-dark .contact-phone:hover { color: var(--sol); }

.contact-list {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}
.contact-list li { display: flex; gap: 0.85rem; align-items: flex-start; }
.contact-list .ico { color: var(--mar-claro); margin-top: 0.2rem; }
.section-dark .contact-list a { color: var(--blanco); }
.section-dark .contact-list a:hover { color: var(--sol); }

.contact-form {
  background: var(--blanco);
  color: var(--pizarra);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.1rem;
}
.section-dark .contact-form h3 { color: var(--pizarra); font-size: 1.6rem; }
.section-dark .contact-form a { color: var(--mar); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: 0.4rem; }
.field label { font-weight: 600; font-size: 0.95rem; }
.opt { font-weight: 400; color: var(--niebla); }

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--pizarra);
  background: var(--aire);
  border: 1.5px solid var(--linea);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  min-height: 50px;
  transition: border-color .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314232F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  background-size: 18px;
  padding-right: 2.5rem;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--mar);
  background-color: var(--blanco);
}
.field input:user-invalid { border-color: var(--brasa); }

.check { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.95rem; }
.check input { width: 20px; height: 20px; margin: 0.15rem 0 0; accent-color: var(--mar); flex: none; }

.contact-form .btn { width: 100%; font-size: 1.05rem; }
.form-note { font-size: 0.9rem; color: var(--niebla); text-align: center; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.map {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 360px;
  background: var(--pizarra-2);
}
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.35) contrast(1.05); }

/* ---------- Pie ---------- */
.site-footer {
  background: #0E1922;
  color: #93A6B4;
  padding-block: 3rem;
  font-size: 0.95rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 2rem;
  align-items: start;
}
.site-footer .brand { color: var(--blanco); margin-bottom: 1rem; }
.site-footer .brand-text small { color: #93A6B4; }
.site-footer .brand-mark::after { background: #0E1922; }
.footer-nav, .footer-legal { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer a { color: #C9D6DF; text-decoration: none; }
.site-footer a:hover { color: var(--sol); }

/* ---------- Barra móvil ---------- */
.mobile-bar { display: none; }

/* =========================================================
   Responsive
   ========================================================= */

/* Escritorio: cabecera fija */
@media (min-width: 1000px) {
  .site-header { position: sticky; top: 0; }
}

@media (max-width: 1099px) {
  .main-nav a { padding-inline: 0.55rem; }
}

@media (max-width: 999px) {
  :root { --header-h: 0px; }

  .header-inner {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    padding-top: 0.9rem;
  }
  .header-call { margin-left: auto; }

  /* Navegación como fila deslizable (sin JavaScript) */
  .main-nav {
    order: 3;
    width: calc(100% + 2 * var(--gutter));
    margin: 0 calc(-1 * var(--gutter));
    padding: 0 var(--gutter) 0.75rem;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a { background: var(--blanco); border: 1px solid var(--linea); }

  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { max-width: 16ch; }
  .hero-media { aspect-ratio: 16 / 10; }

  .trust-inner { flex-direction: column; align-items: flex-start; }
  .trust-title { max-width: none; }

  .service { grid-template-columns: 1fr 1.4fr; }
  .service .tags { grid-column: 2; }

  .audiences { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 2rem; }

  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 2rem; }
  .step:nth-child(2)::after { display: none; }

  .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 240px; }

  .about { grid-template-columns: 1fr; }
  .about-media { aspect-ratio: 16 / 9; order: -1; }

  .quotes { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-grid .section-head { margin-bottom: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 719px) {
  body { font-size: 1rem; padding-bottom: 76px; } /* espacio para la barra móvil */

  .header-call span { display: none; }
  .header-call { width: 44px; padding: 0; }

  .hero-actions .btn { width: 100%; }
  .hero-facts { flex-direction: column; }

  .thermo-track { height: 56px; padding-inline: 0.9rem; }
  .thermo-end { font-size: 0.85rem; }
  .thermo-marker em { display: none; }
  .thermo-marker { padding: 0.35rem; }
  .thermo-marker b { width: 40px; height: 40px; }
  .thermo-ticks { padding-inline: 0.5rem; font-size: 0.75rem; }
  .thermo-ticks li:nth-child(even) { visibility: hidden; }

  .trust-list { gap: 0.5rem 1.25rem; font-size: 0.98rem; }

  .service { grid-template-columns: 1fr; gap: 0.9rem; padding-block: 1.6rem; }
  .service .tags { grid-column: auto; }
  .service h3 { font-size: 1.3rem; }

  .lifecycle { grid-template-columns: 1fr; }
  .life-step + .life-step { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); }

  .audiences { grid-template-columns: 1fr; gap: 2rem; }

  .steps { grid-template-columns: 1fr; gap: 0; }
  .step { display: grid; grid-template-columns: 56px 1fr; column-gap: 1.1rem; padding-bottom: 2rem; }
  .step::before { grid-row: span 2; margin-bottom: 0; }
  .step h3 { align-self: end; margin-top: 0.75rem; }
  .step:not(:last-child)::after {
    display: block;
    top: 56px;
    bottom: 0;
    left: 27px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, #3E9BD0, #F2A33A);
  }

  .projects { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .project { min-height: 240px; }
  .project-xl { grid-column: auto; grid-row: auto; min-height: 320px; }

  .field-row { grid-template-columns: 1fr; }
  .faq details p { padding-right: 0; }
  .map { height: 280px; }

  .footer-inner { grid-template-columns: 1fr; }

  .mobile-bar {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 0.6rem;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    padding: 0.65rem var(--gutter) calc(0.65rem + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--linea);
  }
  .mobile-bar a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 50px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--pizarra);
    color: var(--pizarra);
  }
  .mobile-bar .mobile-bar-main { background: var(--mar); border-color: var(--mar); color: var(--blanco); }
}

/* Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Impresión */
@media print {
  .site-header, .mobile-bar, .map, .contact-form, .hero-media, .about-media { display: none; }
  body { background: #fff; padding: 0; }
}

/* ---------- Página de gracias ---------- */
.thanks-page { min-height: 100vh; display: grid; place-items: center; padding-bottom: 0; }
.thanks { max-width: 640px; }
.thanks h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 800; letter-spacing: -0.03em; margin-top: 2.5rem; }
.thanks .lead + .lead { margin-top: 0.75rem; }