/* ============================================================
   MY AISLAMIENTO – styles.css
   Palette : bleu profond #1A56DB · vert #10B981 · blanc #fff
             gris clair #F8FAFC · gris moyen #64748B
   ============================================================ */

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

:root {
  --blue:      #1A56DB;
  --blue-dark: #1340A8;
  --blue-light:#EBF4FF;
  --green:     #10B981;
  --green-dark:#0D9268;
  --white:     #ffffff;
  --gray-50:   #F8FAFC;
  --gray-100:  #F1F5F9;
  --gray-300:  #CBD5E1;
  --gray-500:  #64748B;
  --gray-700:  #334155;
  --gray-900:  #0F172A;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.13);
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: .22s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16,185,129,.35);
}

.btn--white {
  background: var(--white);
  color: var(--blue);
  border-color: var(--white);
}
.btn--white:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,255,255,.3);
}

.btn--lg  { padding: 16px 36px; font-size: 1.05rem; }
.btn--full { width: 100%; }
.btn--mt  { margin-top: 28px; }

/* ---------- HEADER ---------- */
.header {
  position: static;
  z-index: 100;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

/* Logo : icône SVG + texte sur une ligne */
.header__logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #013daf;
  flex-shrink: 0;
  letter-spacing: -.5px;
}
.header__logo svg { flex-shrink: 0; }
.header__logo-img { height: 36px; width: auto; display: block; object-fit: contain; }
.footer__logo-img { height: 32px; width: auto; display: block; object-fit: contain; }

.header__nav {
  display: flex;
  gap: 24px;
  flex: 1;
}

.nav__link {
  font-size: .92rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.nav__link:hover { color: var(--blue); border-bottom-color: var(--blue); }

.header__cta { margin-left: auto; flex-shrink: 0; }

/* Burger menu (mobile) */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, #0F172A 0%, #1A3672 60%, #1A56DB 100%);
  color: var(--white);
  padding: 80px 0 64px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.hero__badge {
  display: inline-block;
  background: rgba(16,185,129,.18);
  border: 1px solid rgba(16,185,129,.4);
  color: #6EE7B7;
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  letter-spacing: .4px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -.5px;
}

.highlight { color: var(--green); }

.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.hero__benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .97rem;
  color: rgba(255,255,255,.9);
}

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.hero__illustration {
  margin-top: 32px;
  opacity: .9;
}
.hero__illustration svg { max-width: 340px; }

/* CTA mobile masqué sur desktop */
.hero__cta-mobile { display: none; }

/* ---------- FORM CARD ---------- */
.hero__form-wrap { position: relative; }

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  color: var(--gray-700);
}

/* Titre centré, sans sous-titre */
.form-card__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 5px;
  text-align: center;
}

/* Form groups */
.form-group { margin-bottom: 7px; }

.form-label {
  display: block;
  font-size: .93rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 8px;
  text-align: center;
}

/* ---------- FLOATING LABEL ---------- */
.form-float { position: relative; }

.form-float .form-input { padding-top: 18px; padding-bottom: 6px; }

.form-float__label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .93rem;
  font-weight: 500;
  color: var(--gray-500);
  pointer-events: none;
  transition: top .18s ease, transform .18s ease, font-size .18s ease, color .18s ease;
  background: transparent;
  line-height: 1;
}

/* Placeholder visible seulement au focus */
.form-float .form-input::placeholder { opacity: 0; transition: opacity .15s ease; }
.form-float .form-input:focus::placeholder { opacity: 1; }

/* État flottant — déclenché par JS (.is-active) ou CSS natif */
.form-float.is-active .form-float__label,
.form-float .form-input:focus ~ .form-float__label,
.form-float .form-input:not(:placeholder-shown) ~ .form-float__label {
  top: 8px;
  transform: translateY(0);
  font-size: .72rem;
  color: var(--blue);
}

.form-float .form-input.error ~ .form-float__label { color: #EF4444; }

.required { color: #EF4444; margin-left: 2px; }

/* ---------- SELECT CARDS (Soy) ---------- */
/* Cartes avec icône au-dessus et texte en-dessous */
.select-cards {
  display: flex;
  gap: 12px;
}

.select-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 12px 14px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.select-card:hover {
  border-color: var(--blue);
  background: var(--blue-light);
}
.select-card.active {
  border-color: var(--blue);
  background: var(--blue-light);
  box-shadow: 0 2px 12px rgba(26,86,219,.18);
}

.select-card__icon { display: flex; align-items: center; justify-content: center; }
.select-card__icon svg { width: 36px; height: 36px; }

.select-card__label {
  font-size: .92rem;
  font-weight: 600;
  color: var(--gray-700);
}
.select-card.active .select-card__label { color: var(--blue); }

/* ---------- RADIO BUTTONS (Superficie) ---------- */
/* Boutons radio simples et modernes */
.radio-group {
  display: flex;
  gap: 8px;
}

.radio-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.radio-btn:hover {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue);
}
.radio-btn.active {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue);
  font-weight: 600;
}

/* Pastille radio visuelle */
.radio-btn__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  flex-shrink: 0;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}
.radio-btn.active .radio-btn__dot {
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: inset 0 0 0 3px var(--white);
}

/* ---------- FORM INPUTS ---------- */
.form-input {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .93rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input::placeholder { color: var(--gray-300); }

.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}

.form-input.error { border-color: #EF4444; }
.form-input.error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.15); }

/* Grille 2 colonnes pour les champs */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

/* Messages d'erreur */
.radio-group.error .radio-btn { border-color: #EF4444; }
.form-error-global {
  font-size: .8rem;
  color: #EF4444;
  margin-bottom: 6px;
  text-align: center;
}
.form-error-global[hidden] { display: none; }

/* L'attribut hidden est écrasé par display:flex — on le réimpose explicitement */
.form-success[hidden] { display: none; }

/* Message de succès (masqué par défaut via l'attribut hidden) */
.form-success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #ECFDF5;
  border: 1px solid #6EE7B7;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 14px;
  color: #065F46;
  font-size: .92rem;
  font-weight: 500;
  line-height: 1.55;
}

.form-success__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: .75rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---------- SECTIONS GÉNÉRIQUES ---------- */
.section { padding: 80px 0; }
.section--light  { background: var(--gray-50); }
.section--white  { background: var(--white); }
.section--dark   { background: linear-gradient(135deg, #0F172A 0%, #1A3672 100%); }
.section--cta    { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); }

.section__title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -.4px;
  line-height: 1.25;
}
.section__title--white { color: var(--white); }
.section__title--left  { text-align: left; }

/* Variante : plus d'espace sous le titre (cifras, proceso, testimonios) */
.section__title--spaced { margin-bottom: 52px; }

.section__intro {
  font-size: 1rem;
  color: var(--gray-500);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.75;
}

/* Bloc compacte pour la section Ayudas (espacement réduit entre les paragraphes) */
.section__intro-block {
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}
.section__intro-block p {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 14px;
}
.section__intro-block p:last-child { margin-bottom: 0; }

/* ---------- CARDS GRID ---------- */
.cards-grid {
  display: grid;
  gap: 24px;
}
.cards-grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--gray-100);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

/* Icônes SVG dans les tipos de aislamiento */
.card__icon--svg {
  font-size: inherit;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
}
.card__icon--svg svg { width: 44px; height: 44px; }

.card__icon--img {
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
  display: block;
}
.card__icon--img img { width: 64px; height: 64px; object-fit: contain; display: block; }

.card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.card__text {
  font-size: .9rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.card--tipo { text-align: center; }
.card--tipo .card__icon--img { margin-left: auto; margin-right: auto; }

/* ---------- BUHARDILLA SECTION ---------- */
.buhardilla-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.buhardilla-subtitle {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 20px;
  line-height: 1.5;
}

.buhardilla-body {
  font-size: .97rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 16px;
}
.buhardilla-body:last-child { margin-bottom: 0; }

.buhardilla-visual {
  border-radius: var(--radius);
  overflow: hidden;
}

.buhardilla-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

/* ---------- STATS GRID ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.stat {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  transition: background var(--transition);
}
.stat:hover { background: rgba(255,255,255,.10); }

.stat__icon { font-size: 2rem; margin-bottom: 12px; }

/* Icônes SVG dans les stats (fond sombre) */
.stat__icon--svg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
}
.stat__icon--svg svg { width: 48px; height: 48px; }
.stat__icon--img { display: flex; align-items: center; justify-content: center; width: 64px; height: 64px; margin: 0 auto 14px; }
.stat__icon--img img { width: 64px; height: 64px; object-fit: contain; display: block; }

.stat__value {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.25;
}

.stat__text {
  font-size: .84rem;
  color: rgba(255,255,255,.7);
  line-height: 1.6;
}

/* ---------- SPLIT LAYOUT ---------- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-layout__text p {
  margin-bottom: 16px;
  font-size: .97rem;
  color: var(--gray-700);
  line-height: 1.75;
}

.visual-block {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

.visual-block__row {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.visual-block__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 16px;
  border-radius: var(--radius);
  font-size: .88rem;
  text-align: center;
}

.visual-block__item--bad {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

.visual-block__item--good {
  background: #ECFDF5;
  border: 1px solid #6EE7B7;
  color: #065F46;
}

.visual-block__item strong { font-size: 1rem; font-weight: 700; }

/* SVG dans le bloc comparatif Por qué */
.visual-block__svg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
}
.visual-block__svg svg { width: 52px; height: 52px; }
.visual-block__svg img { width: 52px; height: 52px; object-fit: contain; display: block; }

.visual-block__arrow {
  font-size: 1.8rem;
  color: var(--blue);
  font-weight: 700;
}

.visual-block__label {
  text-align: center;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-500);
  padding-top: 4px;
  border-top: 1px solid var(--gray-300);
}

/* ---------- HIGHLIGHT CARD ---------- */
.highlight-card {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
  background: linear-gradient(135deg, var(--blue-light) 0%, #dbeafe 100%);
  border: 1px solid #93C5FD;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-md);
  margin-top: 32px;
}

.highlight-card__icon { font-size: 2.5rem; flex-shrink: 0; }

/* SVG dans la highlight card Ayudas */
.highlight-card__icon--svg {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.highlight-card__icon--svg svg { width: 52px; height: 52px; }

.highlight-card__body { flex: 1; }

.highlight-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.highlight-card__text {
  font-size: .92rem;
  color: var(--gray-700);
}

/* ---------- STEPS ---------- */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: nowrap;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
}

.step__number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px rgba(26,86,219,.35);
  flex-shrink: 0;
}

.step__content { max-width: 220px; }

.step__title {
  font-size: .97rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.step__text {
  font-size: .87rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.step__connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  margin-top: 25px;
  border-radius: 2px;
}

/* ---------- TESTIMONIALS SLIDER ---------- */
.testimonials-slider { position: relative; }

.testimonials-slider__wrap { overflow: hidden; }

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform .35s cubic-bezier(.25,.46,.45,.94);
  will-change: transform;
}

/* Les cartes témoignage – largeur gérée par JS */
.testimonials-track .testimonial {
  flex-shrink: 0;
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial__stars { color: #F59E0B; font-size: 1.1rem; letter-spacing: 2px; }

.testimonial__text {
  font-size: .92rem;
  color: var(--gray-700);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial__avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  color: white;
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial__name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* Contrôles du slider */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.slider-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  background: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}
.slider-arrow:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue);
  box-shadow: 0 2px 8px rgba(26,86,219,.2);
}
.slider-arrow:disabled { opacity: .4; cursor: not-allowed; }

.slider-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.slider-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--gray-300);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}
.slider-dot.active {
  background: var(--blue);
  transform: scale(1.35);
}

/* ---------- FAQ – 2 colonnes sur desktop ---------- */
.faq-list {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  align-items: start; /* évite que les items s'étirent en hauteur */
}

.faq-item {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: .97rem;
  font-weight: 600;
  color: var(--gray-900);
  text-align: left;
  transition: background var(--transition);
  font-family: inherit;
}
.faq-item__question:hover { background: var(--gray-50); }

.faq-item__icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}

.faq-item.open .faq-item__question { background: var(--blue-light); color: var(--blue); }
.faq-item.open .faq-item__icon { transform: rotate(45deg); }

.faq-item__answer {
  padding: 0 22px 18px;
  background: var(--blue-light);
}
.faq-item__answer p {
  font-size: .92rem;
  color: var(--gray-700);
  line-height: 1.7;
}

/* ---------- CTA FINAL ---------- */
.cta-final {
  text-align: center;
  padding: 20px 0;
}

.cta-final__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.25;
}

.cta-final__text {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.65);
  padding: 48px 0 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.footer__tagline {
  font-size: .9rem;
  margin-bottom: 10px;
  line-height: 1.55;
}

.footer__email {
  font-size: .88rem;
  color: var(--green);
  transition: color var(--transition);
}
.footer__email:hover { color: #6EE7B7; }

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.footer__link {
  background: none;
  border: none;
  cursor: pointer;
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  padding: 0;
  font-family: inherit;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--white); }

.footer__disclaimer {
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.3);
  padding: 16px 24px;
  line-height: 1.6;
}

/* ---------- MODALES ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] { display: none; }

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal__box {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn .22s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.96) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gray-100);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: .95rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.modal__close:hover { background: var(--gray-300); }

.modal__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 20px;
  padding-right: 24px;
}

.modal__content p {
  font-size: .93rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 14px;
}
.modal__content p:last-child { margin-bottom: 0; }

.modal__note {
  font-style: italic;
  color: var(--gray-500) !important;
  font-size: .85rem !important;
  padding-top: 8px;
  border-top: 1px solid var(--gray-100);
}

/* ---------- IMAGE SECTIONS ---------- */
.image-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.image-section__content .section__title {
  margin-bottom: 20px;
}

.image-section__intro {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 28px;
}

.image-section__text {
  font-size: .97rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* Image card */
.image-section__visual {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-section__visual--plain {
  box-shadow: none;
  border: none;
  background: transparent;
  padding: 0;
}

.image-section__image {
  width: 100%;
  height: 420px;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-sm);
}

/* 2×2 mini-feature cards (section ¿Dónde pierde energía?) */
.image-section__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 4px;
}

.image-section__feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 16px 14px;
  transition: box-shadow var(--transition);
}
.image-section__feature:hover { box-shadow: var(--shadow-md); }

.image-section__feature-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}
.image-section__feature-icon svg { width: 56px; height: 56px; }
.image-section__feature-icon img { width: 56px; height: 56px; object-fit: contain; display: block; }

.image-section__feature-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
  line-height: 1.3;
}

.image-section__feature-text {
  font-size: .82rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Variante 4 colonnes : cartes en ligne complète sous la grille */
.image-section__features.image-section__features--4col {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 60px;
}

/* Bouton centré sous la grille (section Un estudio adaptado) */
.image-section__cta {
  text-align: center;
  margin-top: 44px;
}

/* Checklist (section Un estudio adaptado) */
.image-section__feature-list {
  list-style: none;
  margin-bottom: 4px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.image-section__feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .97rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* ---------- RESPONSIVE TABLETTE (≤ 1024px) ---------- */
@media (max-width: 1024px) {
  .cards-grid--4         { grid-template-columns: repeat(2, 1fr); }
  .stats-grid            { grid-template-columns: repeat(3, 1fr); }
  .buhardilla-grid       { gap: 40px; }
  .steps                 { flex-wrap: wrap; justify-content: center; gap: 32px; }
  .step__connector       { display: none; }
  .step                  { min-width: 200px; }
  /* FAQ : 1 colonne sur tablette */
  .faq-list              { grid-template-columns: 1fr; max-width: 780px; }
  /* Image sections */
  .image-section__grid            { gap: 40px; }
  .image-section__image           { height: 320px; }
  .image-section__features.image-section__features--4col  { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- RESPONSIVE MOBILE (≤ 768px) ---------- */
@media (max-width: 768px) {
  /* Header */
  .header__nav, .header__cta { display: none; }
  .header__burger { display: flex; }

  /* Nav mobile ouverte */
  .header__nav.open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 0;
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .header__nav.open .nav__link {
    padding: 12px 24px;
    border-bottom: none;
  }

  /* Hero */
  .hero { padding: 48px 0 40px; }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__illustration { display: none; }
  .hero__cta-mobile { display: inline-flex; }
  .hero__content { text-align: center; }
  .hero__benefits { width: fit-content; margin-left: auto; margin-right: auto; }
  .image-section__feature-list { width: fit-content; margin-left: auto; margin-right: auto; }

  /* Form */
  .form-card  { padding: 24px 20px; }
  .form-row   { grid-template-columns: 1fr; }
  .select-cards { flex-direction: column; }
  .radio-group  { flex-direction: column; }

  /* Sections */
  .section { padding: 56px 0; }
  .cards-grid--4  { grid-template-columns: 1fr; }
  .card { text-align: center; }
  .card__icon--img { margin-left: auto; margin-right: auto; }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .split-layout   { grid-template-columns: 1fr; gap: 32px; }
  .split-layout__text { text-align: center; }
  .section__title--left { text-align: center; }
  .highlight-card { flex-direction: column; text-align: center; padding: 28px 24px; }

  /* Steps */
  .steps { flex-direction: column; align-items: center; }

  /* FAQ */
  .faq-list { grid-template-columns: 1fr; }

  /* Buhardilla */
  .buhardilla-grid  { grid-template-columns: 1fr; gap: 28px; }
  .buhardilla-visual { order: -1; }
  .buhardilla-text  { text-align: center; }
  .buhardilla-img   { height: 260px; }

  /* Image sections */
  .image-section__content  { text-align: center; }
  .image-section__grid     { grid-template-columns: 1fr; gap: 28px; }
  .image-section__image    { height: 260px; }
  .image-section__features,
  .image-section__features.image-section__features--4col { grid-template-columns: 1fr; }
  .image-section__feature {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .image-section__feature-icon,
  .image-section__feature-icon img { width: 88px; height: 88px; flex-shrink: 0; }
  .image-section__feature-title { font-size: 1rem; }
  .image-section__feature-text  { font-size: 1rem; }

  /* Icons – autres sections */
  .card__icon--img,
  .card__icon--img img               { width: 88px; height: 88px; }
  .stat__icon--img,
  .stat__icon--img img               { width: 88px; height: 88px; }
  .visual-block__svg,
  .visual-block__svg img             { width: 80px; height: 80px; }

  /* Card text */
  .card__text { font-size: 1rem; }

  /* Footer */
  .footer__inner       { flex-direction: column; gap: 24px; align-items: center; text-align: center; }
  .footer__logo        { justify-content: center; }
  .footer__logo-img    { height: 44px; }
  .footer__links       { justify-content: center; }
  .footer__disclaimer  { text-align: center; }
}

/* ---------- RESPONSIVE MOBILE (≤ 480px) ---------- */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .modal__box { padding: 28px 20px; }
}