/*
 * Los Altillos — Aislación Térmica y Acústica
 * Archivo: assets/aislacion.css
 * Prefijo: lais-
 * Depende de: assets/main.css
 * ============================================================ */

/* ---- UTILITIES ------------------------------------------- */
.lais-wrap            { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.lais-wrap--narrow    { max-width: 860px; }
.lais-section         { padding: 5rem 0; }
.lais-section--gray   { background: var(--color-bg-secondary); }
.lais-section-header  { margin-bottom: 3.5rem; }
.lais-eyebrow         { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--color-accent); }
.lais-section-h2      { font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 2.75rem); line-height: 1.1; letter-spacing: -.025em; color: var(--color-text); margin: .625rem 0 1rem; }
.lais-section-sub     { font-size: 1.0625rem; color: var(--color-text-muted); line-height: 1.7; max-width: 620px; }
.lais-h3              { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.2; color: var(--color-text); margin: 2rem 0 1rem; }
.lais-p               { font-size: 1rem; line-height: 1.8; color: var(--color-text-muted); margin-bottom: 1rem; }
.lais-p--lead         { font-size: 1.0625rem; color: var(--color-text); font-weight: 500; }

/* ---- HERO ------------------------------------------------ */
.lais-hero {
    position: relative; min-height: 100vh; min-height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
    overflow: hidden;
    background-image: url('https://losaltillos.com/wp-content/uploads/2026/05/aislacion-termica-lana-mineral-muro-desktop.webp');
    background-size: cover; background-position: center 45%; background-color: #030d1e;
}
.lais-hero::before { content: ''; position: absolute; inset: 0; z-index: 0; background: linear-gradient(110deg, rgba(2,8,20,.9) 0%, rgba(2,8,20,.68) 55%, rgba(2,8,20,.28) 100%); }
.lais-hero::after  { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; z-index: 1; background: linear-gradient(90deg, transparent 0%, var(--color-accent) 35%, var(--color-accent-light,#e8202e) 65%, transparent 100%); }
.lais-hero__wash   { position: absolute; inset: 0; pointer-events: none; z-index: 0; background: radial-gradient(ellipse 50% 60% at 92% 25%, rgba(2,55,120,.22) 0%, transparent 65%); }
.lais-hero__inner  { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 7rem 2rem 4rem; }

.lais-hero__badge  { display: inline-flex; align-items: center; gap: .45rem; padding: .375rem 1rem; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 100px; font-size: .75rem; font-weight: 600; color: rgba(255,255,255,.88); margin-bottom: 1.75rem; }
.lais-hero__badge svg { width: 13px; height: 13px; stroke: var(--color-accent-light,#ff4d57); fill: none; stroke-width: 2; }
.lais-hero__h1     { font-family: var(--font-display); font-size: clamp(2.75rem, 6.5vw, 5rem); line-height: 1; letter-spacing: -.035em; color: #fff; margin-bottom: 1.5rem; max-width: 720px; }
.lais-hero__h1 span { color: rgba(255,255,255,.72); }
.lais-hero__subtitle { font-size: clamp(1rem, 1.6vw, 1.125rem); line-height: 1.75; color: rgba(255,255,255,.82); max-width: 560px; margin-bottom: 2.5rem; }
.lais-hero__ctas   { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }

/* Nav de secciones en el hero */
.lais-hero__nav    { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); }
.lais-hero__navlink {
    display: inline-block; padding: .3rem .875rem; border-radius: 100px;
    font-size: .75rem; font-weight: 600;
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
    color: rgba(255,255,255,.7); text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.lais-hero__navlink:hover { background: rgba(255,255,255,.14); color: #fff; }

/* ---- BUTTONS --------------------------------------------- */
.lais-btn-red { display: inline-flex; align-items: center; gap: .5rem; padding: .875rem 1.75rem; border-radius: 3px; background: var(--color-accent); color: #fff; font-size: .9375rem; font-weight: 600; text-decoration: none; transition: background var(--transition-fast); }
.lais-btn-red:hover { background: var(--color-accent-light,#e8202e); }
.lais-btn-red svg { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2.5; }
.lais-btn-ghost { display: inline-flex; align-items: center; gap: .5rem; padding: .875rem 1.75rem; border-radius: 3px; background: transparent; border: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.9); font-size: .9375rem; font-weight: 600; text-decoration: none; transition: border-color var(--transition-fast), color var(--transition-fast); }
.lais-btn-ghost:hover { border-color: rgba(255,255,255,.55); color: #fff; }

/* ---- STATS ----------------------------------------------- */
.lais-stats        { background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
.lais-stats__inner { max-width: 1200px; margin: 0 auto; padding: 2.5rem 2rem; display: grid; grid-template-columns: repeat(4,1fr); }
.lais-stat         { padding: 0 2rem; }
.lais-stat + .lais-stat { border-left: 1px solid var(--color-border); }
.lais-stat__val    { font-family: var(--font-display); font-size: 2rem; letter-spacing: -.02em; color: var(--color-accent); line-height: 1; margin-bottom: .375rem; }
.lais-stat__label  { font-size: .875rem; color: var(--color-text-subtle); line-height: 1.5; }

/* ---- EDITORIAL GRID -------------------------------------- */
.lais-editorial-grid          { display: grid; grid-template-columns: 3fr 2fr; gap: 5rem; align-items: start; }
.lais-editorial-grid--reverse { grid-template-columns: 2fr 3fr; }
.lais-editorial-grid--reverse .lais-editorial__content { order: 2; }
.lais-editorial-grid--reverse .lais-editorial__aside   { order: 1; }
.lais-editorial__aside--center { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; }

/* Infobox */
.lais-infobox { display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem; background: var(--color-bg-tertiary); border-left: 3px solid var(--color-accent); border-radius: 0 8px 8px 0; margin-top: 1.5rem; font-size: .9rem; line-height: 1.65; color: var(--color-text-muted); }
.lais-infobox--blue { border-left-color: var(--color-secondary); }
.lais-infobox strong { display: block; font-size: .9375rem; color: var(--color-text); margin-bottom: .375rem; }
.lais-infobox__icon { width: 32px; height: 32px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.lais-infobox__icon svg { width: 18px; height: 18px; stroke: var(--color-accent); fill: none; stroke-width: 2; }
.lais-infobox--blue .lais-infobox__icon svg { stroke: var(--color-secondary); }
.lais-infobox p { margin: 0; }

/* R-value box */
.lais-r-value-box { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: 12px; padding: 1.5rem; }
.lais-r-value-box__title { font-size: .8125rem; font-weight: 700; color: var(--color-text); margin-bottom: 1.25rem; line-height: 1.4; }
.lais-r-item { margin-bottom: 1rem; }
.lais-r-item:last-of-type { margin-bottom: 0; }
.lais-r-item__label { font-size: .8125rem; color: var(--color-text-muted); margin-bottom: .375rem; line-height: 1.3; }
.lais-r-item__bar-wrap { display: flex; align-items: center; gap: .75rem; }
.lais-r-item__bar { flex: 1; height: 8px; background: var(--color-bg-tertiary); border-radius: 100px; overflow: hidden; }
.lais-r-item__fill { height: 100%; border-radius: 100px; background: var(--color-accent); }
.lais-r-item__val { font-size: .8rem; font-weight: 700; color: var(--color-accent); white-space: nowrap; min-width: 36px; text-align: right; }
.lais-r-value-box__note { font-size: .75rem; color: var(--color-text-subtle); margin-top: 1rem; padding-top: .875rem; border-top: 1px solid var(--color-border); }

/* ---- MATERIAL TABS --------------------------------------- */
.lais-mat-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.lais-mat-tab  {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .5rem 1.125rem; border-radius: 100px; border: 1.5px solid var(--color-border);
    background: var(--color-bg); font-size: .875rem; font-weight: 600; color: var(--color-text-subtle);
    cursor: pointer; transition: all var(--transition-fast);
}
.lais-mat-tab:hover { border-color: var(--color-border-dark); color: var(--color-text); }
.lais-mat-tab.is-active { background: var(--color-text); color: #fff; border-color: var(--color-text); }

.lais-mat-tab__dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.lais-mat-tab--yellow .lais-mat-tab__dot { background: #f5c842; }
.lais-mat-tab--gray   .lais-mat-tab__dot { background: #9AA3B2; }
.lais-mat-tab--white  .lais-mat-tab__dot { background: #e0e0e0; border: 1px solid #CBD5E1; }
.lais-mat-tab--blue   .lais-mat-tab__dot { background: #4496d4; }
.lais-mat-tab--orange .lais-mat-tab__dot { background: #e8834e; }

/* Panel */
.lais-mat-panel__grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; align-items: start; }
.lais-mat-panel__img-wrap { border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; }
.lais-mat-panel__img-wrap--yellow { outline: 3px solid #f5c842; outline-offset: -3px; }
.lais-mat-panel__img-wrap--gray   { outline: 3px solid #9AA3B2; outline-offset: -3px; }
.lais-mat-panel__img-wrap--white  { outline: 3px solid #CBD5E1; outline-offset: -3px; }
.lais-mat-panel__img-wrap--blue   { outline: 3px solid #4496d4; outline-offset: -3px; }
.lais-mat-panel__img-wrap--orange { outline: 3px solid #e8834e; outline-offset: -3px; }
.lais-mat-panel__img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Lambda bar */
.lais-lambda-display { margin-top: 1.25rem; padding: 1rem; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 8px; }
.lais-lambda-display__label { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--color-text-subtle); margin-bottom: .25rem; }
.lais-lambda-display__val   { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-text); margin-bottom: .625rem; }
.lais-lambda-bar { height: 10px; background: var(--color-bg-tertiary); border-radius: 100px; overflow: hidden; margin-bottom: .375rem; }
.lais-lambda-bar__fill { height: 100%; border-radius: 100px; background: var(--color-accent); }
.lais-lambda-bar__fill--yellow { background: #f5c842; }
.lais-lambda-bar__fill--gray   { background: #9AA3B2; }
.lais-lambda-bar__fill--white  { background: #CBD5E1; }
.lais-lambda-bar__fill--blue   { background: #4496d4; }
.lais-lambda-bar__fill--orange { background: #e8834e; }
.lais-lambda-bar__legend { display: flex; justify-content: space-between; font-size: .6875rem; color: var(--color-text-subtle); }

/* Panel content */
.lais-mat-panel__title { font-family: var(--font-display); font-size: 1.5rem; color: var(--color-text); margin-bottom: .875rem; }
.lais-mat-panel__body  { font-size: .9375rem; line-height: 1.75; color: var(--color-text-muted); margin-bottom: 1.5rem; }

/* Specs */
.lais-mat-specs { border: 1px solid var(--color-border); border-radius: 8px; overflow: hidden; margin-bottom: 1.5rem; }
.lais-spec-row  { display: flex; gap: 1rem; padding: .625rem 1rem; border-bottom: 1px solid var(--color-border); font-size: .875rem; }
.lais-spec-row:last-child { border-bottom: none; }
.lais-spec-row__key { color: var(--color-text-subtle); min-width: 180px; flex-shrink: 0; }
.lais-spec-row__val { color: var(--color-text); font-weight: 500; }

/* Pros / cons */
.lais-mat-pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.lais-pros, .lais-cons { padding: 1rem; border-radius: 8px; }
.lais-pros { background: rgba(34,197,94,.06); border: 1px solid rgba(34,197,94,.2); }
.lais-cons { background: rgba(199,8,29,.05); border: 1px solid rgba(199,8,29,.15); }
.lais-pros__title, .lais-cons__title { display: flex; align-items: center; gap: .4rem; font-size: .8125rem; font-weight: 700; margin-bottom: .625rem; text-transform: uppercase; letter-spacing: .07em; }
.lais-pros__title { color: #16a34a; }
.lais-pros__title svg { width: 14px; height: 14px; stroke: #16a34a; fill: none; stroke-width: 2; }
.lais-cons__title { color: var(--color-accent); }
.lais-cons__title svg { width: 14px; height: 14px; stroke: var(--color-accent); fill: none; stroke-width: 2; }
.lais-pros ul, .lais-cons ul { list-style: none; display: flex; flex-direction: column; gap: .375rem; }
.lais-pros li, .lais-cons li { font-size: .8125rem; color: var(--color-text-muted); line-height: 1.5; padding-left: .875rem; position: relative; }
.lais-pros li::before { content: '→'; position: absolute; left: 0; color: #16a34a; font-size: .7rem; }
.lais-cons li::before { content: '—'; position: absolute; left: 0; color: var(--color-accent); font-size: .7rem; }

/* CTA de materiales */
.lais-materials-cta { margin-top: 2rem; text-align: center; }
.lais-link-cta { display: inline-flex; align-items: center; gap: .5rem; padding: .875rem 1.75rem; border: 1.5px solid var(--color-border-dark); border-radius: 3px; font-size: .9375rem; font-weight: 600; color: var(--color-text); text-decoration: none; transition: border-color var(--transition-fast), color var(--transition-fast); }
.lais-link-cta:hover { border-color: var(--color-accent); color: var(--color-accent); }
.lais-link-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0; }

/* ---- PÉRDIDAS DE CALOR ----------------------------------- */
.lais-loss-list  { display: flex; flex-direction: column; gap: 1.125rem; margin: 1.5rem 0 2rem; }
.lais-loss-item  { }
.lais-loss-item__header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .375rem; }
.lais-loss-item__zone { font-size: .9375rem; font-weight: 600; color: var(--color-text); }
.lais-loss-item__pct  { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-accent); }
.lais-loss-item__bar-wrap { margin-bottom: .375rem; }
.lais-loss-item__bar  { height: 8px; background: var(--color-bg-tertiary); border-radius: 100px; overflow: hidden; }
.lais-loss-item__fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light,#e8202e) 100%); }
.lais-loss-item__note { font-size: .8125rem; color: var(--color-text-subtle); }

/* Casa diagrama */
.lais-house-diagram { width: 100%; max-width: 320px; }
.lais-house-diagram svg { width: 100%; height: auto; }
.lais-house-diagram__caption { font-size: .75rem; color: var(--color-text-subtle); text-align: center; margin-top: .75rem; line-height: 1.4; }

/* ---- TÉRMICA vs ACÚSTICA --------------------------------- */
.lais-tva-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.lais-tva-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 14px; padding: 2rem; }
.lais-tva-card--thermal { border-top: 3px solid var(--color-accent); }
.lais-tva-card--acoustic { border-top: 3px solid var(--color-secondary); }
.lais-tva-card__icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; }
.lais-tva-card--thermal  .lais-tva-card__icon { background: rgba(199,8,29,.08); }
.lais-tva-card--acoustic .lais-tva-card__icon { background: rgba(2,55,120,.08); }
.lais-tva-card__icon svg { width: 26px; height: 26px; fill: none; stroke-width: 1.75; }
.lais-tva-card--thermal  .lais-tva-card__icon svg { stroke: var(--color-accent); }
.lais-tva-card--acoustic .lais-tva-card__icon svg { stroke: var(--color-secondary); }
.lais-tva-card__title   { font-family: var(--font-display); font-size: 1.375rem; color: var(--color-text); margin-bottom: .875rem; }
.lais-tva-card__body    { font-size: .9375rem; line-height: 1.75; color: var(--color-text-muted); margin-bottom: 1.125rem; }
.lais-tva-card__metric  { display: flex; align-items: center; gap: .625rem; padding: .625rem .875rem; background: var(--color-bg-secondary); border-radius: 6px; margin-bottom: 1.125rem; font-size: .8125rem; }
.lais-tva-card__metric-label { color: var(--color-text-subtle); }
.lais-tva-card__metric-val   { font-weight: 700; color: var(--color-text); font-family: monospace; }
.lais-tva-list { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.lais-tva-list li { font-size: .875rem; color: var(--color-text-muted); padding-left: 1rem; position: relative; }
.lais-tva-list li::before { content: '·'; position: absolute; left: 0; color: var(--color-accent); font-size: 1.2rem; line-height: 1; }

.lais-tva-conclusion { grid-column: span 2; display: flex; align-items: flex-start; gap: 1rem; padding: 1.375rem 1.5rem; background: var(--color-bg-dark); color: rgba(255,255,255,.85); border-radius: 10px; font-size: .9375rem; line-height: 1.7; }
.lais-tva-conclusion__icon { width: 32px; height: 32px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.lais-tva-conclusion__icon svg { width: 18px; height: 18px; stroke: var(--color-accent-light,#ff4d57); fill: none; stroke-width: 2; }
.lais-tva-conclusion strong { color: #fff; }
.lais-tva-conclusion p { margin: .25rem 0 0; }

/* ---- BARRERA DE VAPOR — capas del muro ------------------- */
.lais-section-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.75rem; font-size: .9375rem; font-weight: 600; color: var(--color-accent); text-decoration: none; transition: gap var(--transition-fast); }
.lais-section-link:hover { gap: .8rem; }
.lais-section-link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

/* Wall diagram */
.lais-wall-diagram { width: 100%; max-width: 340px; }
.lais-wall-diagram__title { font-size: .8125rem; font-weight: 700; color: var(--color-text); margin-bottom: 1rem; text-align: center; }
.lais-wall-layer { padding: .625rem 1rem; border-radius: 6px; margin-bottom: .375rem; }
.lais-wall-layer--ext      { background: #EFF2F6; border: 1px solid #CBD5E1; }
.lais-wall-layer--membrane { background: rgba(2,55,120,.08); border: 1px solid rgba(2,55,120,.2); }
.lais-wall-layer--osb      { background: rgba(212,167,106,.15); border: 1px solid rgba(212,167,106,.4); }
.lais-wall-layer--wool     { background: rgba(245,200,66,.12); border: 1px dashed rgba(245,200,66,.6); }
.lais-wall-layer--thick    { padding: 1.25rem 1rem; }
.lais-wall-layer--barrier  { background: rgba(199,8,29,.08); border: 2px solid var(--color-accent); }
.lais-wall-layer--drywall  { background: #F7F8FA; border: 1px solid #E2E8F0; }
.lais-wall-layer--interior { background: var(--color-bg-dark); border: none; }
.lais-wall-layer__label    { font-size: .8125rem; font-weight: 600; color: var(--color-text); }
.lais-wall-layer--interior .lais-wall-layer__label { color: rgba(255,255,255,.9); }
.lais-wall-layer--barrier  .lais-wall-layer__label { color: var(--color-accent); }
.lais-wall-layer__sub      { font-size: .7rem; color: var(--color-text-subtle); margin-top: .15rem; }
.lais-wall-layer--interior .lais-wall-layer__sub { color: rgba(255,255,255,.5); }
.lais-wall-layer--barrier  .lais-wall-layer__sub { color: var(--color-accent); opacity: .7; }

/* ---- ACOUSTIC LEVELS ------------------------------------- */
.lais-acoustic-levels { display: flex; flex-direction: column; gap: .875rem; margin: 1.25rem 0 2rem; }
.lais-ac-level { padding: 1.125rem 1.25rem; border-radius: 10px; border: 1px solid var(--color-border); background: var(--color-bg); }
.lais-ac-level__badge { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; margin-bottom: .375rem; }
.lais-ac-level__name  { font-size: .9375rem; font-weight: 600; color: var(--color-text); margin-bottom: .375rem; }
.lais-ac-level__desc  { font-size: .875rem; color: var(--color-text-muted); line-height: 1.55; }
.lais-ac-level--basic   .lais-ac-level__badge { color: #64748B; }
.lais-ac-level--medium  .lais-ac-level__badge { color: var(--color-secondary); }
.lais-ac-level--studio  .lais-ac-level__badge { color: var(--color-accent); }
.lais-ac-level--medium  { border-left: 3px solid var(--color-secondary); }
.lais-ac-level--studio  { border-left: 3px solid var(--color-accent); }

/* Imagen de la sección acústica */
.lais-aside-img { width: 100%; border-radius: 14px; object-fit: cover; box-shadow: var(--shadow-lg); }

/* ---- GUIDE CARDS ----------------------------------------- */
.lais-guides__grid    { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.lais-guide-card      { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; text-decoration: none; transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base); }
.lais-guide-card:hover { border-color: var(--color-border-hover,#c4c9d4); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.lais-guide-card--wide { grid-column: span 2; }
.lais-guide-card__top  { height: 3px; background: var(--color-accent); flex-shrink: 0; }
.lais-guide-card__body { padding: 1.75rem; flex: 1; }
.lais-guide-card__icon { width: 40px; height: 40px; border-radius: 8px; background: var(--color-bg-secondary); border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.lais-guide-card__icon svg { width: 18px; height: 18px; stroke: var(--color-secondary); fill: none; stroke-width: 1.5; }
.lais-guide-card__priority { display: inline-block; font-size: .625rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; padding: .15rem .5rem; border-radius: 100px; margin-bottom: .625rem; background: rgba(2,55,120,.08); color: var(--color-secondary); border: 1px solid rgba(2,55,120,.15); }
.lais-guide-card__title { font-family: var(--font-display); font-size: 1.0625rem; line-height: 1.25; color: var(--color-text); margin-bottom: .625rem; }
.lais-guide-card__desc  { font-size: .875rem; line-height: 1.65; color: var(--color-text-muted); }
.lais-guide-card__footer { padding: 1rem 1.75rem; border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }
.lais-guide-card__tags  { display: flex; flex-wrap: wrap; gap: .375rem; }
.lais-guide-card__tag   { font-size: .6875rem; font-weight: 600; padding: .2rem .625rem; border-radius: 100px; background: var(--color-bg-secondary); border: 1px solid var(--color-border); color: var(--color-text-subtle); }
.lais-guide-card__cta   { font-size: .8125rem; font-weight: 600; color: var(--color-accent); display: flex; align-items: center; gap: .3rem; flex-shrink: 0; white-space: nowrap; transition: gap var(--transition-fast); }
.lais-guide-card__cta:hover { gap: .55rem; }
.lais-guide-card__cta svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2.5; }

/* ---- FAQ ------------------------------------------------- */
.lais-faq       { display: flex; flex-direction: column; gap: .75rem; }
.lais-faq__item { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 10px; overflow: hidden; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.lais-faq__item.is-open { border-color: var(--color-border-dark); box-shadow: var(--shadow-sm); }
.lais-faq__trigger { width: 100%; display: flex; align-items: center; gap: 1rem; padding: 1.25rem 1.5rem; background: transparent; border: none; cursor: pointer; text-align: left; font-family: var(--font-body); color: var(--color-text); transition: background var(--transition-fast); }
.lais-faq__trigger:hover { background: var(--color-bg-secondary); }
.lais-faq__item.is-open .lais-faq__trigger { background: var(--color-bg-secondary); }
.lais-faq__num    { font-family: var(--font-display); font-size: .8125rem; color: var(--color-accent); flex-shrink: 0; min-width: 24px; }
.lais-faq__q-text { font-size: 1rem; font-weight: 600; line-height: 1.35; flex: 1; }
.lais-faq__icon   { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--color-bg-tertiary); border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; transition: background var(--transition-fast), border-color var(--transition-fast); }
.lais-faq__item.is-open .lais-faq__icon { background: var(--color-accent); border-color: var(--color-accent); }
.lais-faq__icon svg { width: 12px; height: 12px; stroke: var(--color-text-subtle); fill: none; stroke-width: 2.5; }
.lais-faq__item.is-open .lais-faq__icon svg { stroke: #fff; }
.lais-faq__icon-minus { display: none; }
.lais-faq__item.is-open .lais-faq__icon-plus  { display: none; }
.lais-faq__item.is-open .lais-faq__icon-minus { display: block; }
.lais-faq__answer { padding: 1rem 1.5rem 1.5rem calc(1.5rem + 24px + 1rem); font-size: .9375rem; line-height: 1.75; color: var(--color-text-muted); border-top: 1px solid var(--color-border); }

/* ---- TRUST STRIP ----------------------------------------- */
.lais-trust        { background: var(--color-bg-secondary); border-top: 1px solid var(--color-border); }
.lais-trust__inner { max-width: 1200px; margin: 0 auto; padding: 1.625rem 2rem; display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }
.lais-trust__label { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--color-text-subtle); flex-shrink: 0; }
.lais-trust__divider { width: 1px; height: 20px; background: var(--color-border); flex-shrink: 0; }
.lais-trust__sources { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.lais-trust__source  { display: flex; align-items: center; gap: .5rem; font-size: .8125rem; color: var(--color-text-subtle); text-decoration: none; transition: color var(--transition-fast); }
.lais-trust__source:hover { color: var(--color-text); }
.lais-trust__source svg { width: 13px; height: 13px; stroke: var(--color-text-subtle); fill: none; stroke-width: 1.75; flex-shrink: 0; }

/* ---- RESPONSIVE ------------------------------------------ */
@media (max-width: 1024px) {
    .lais-editorial-grid,
    .lais-editorial-grid--reverse { grid-template-columns: 1fr; gap: 3rem; }
    .lais-editorial-grid--reverse .lais-editorial__content,
    .lais-editorial-grid--reverse .lais-editorial__aside { order: unset; }
    .lais-mat-panel__grid { grid-template-columns: 1fr; gap: 2rem; }
    .lais-mat-panel__img-wrap { max-width: 420px; }
    .lais-tva-grid { grid-template-columns: 1fr; }
    .lais-tva-conclusion { grid-column: span 1; }
    .lais-guides__grid { grid-template-columns: 1fr 1fr; }
    .lais-guide-card--wide { grid-column: span 2; }
    .lais-stats__inner { grid-template-columns: repeat(2,1fr); gap: 0; }
    .lais-stat { padding: 1.25rem 2rem; }
    .lais-stat + .lais-stat { border-left: none; }
    .lais-stat:nth-child(odd)  { border-right: 1px solid var(--color-border); }
    .lais-stat:nth-child(n+3)  { border-top: 1px solid var(--color-border); }
    .lais-mat-pros-cons { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .lais-hero { background-image: url('https://losaltillos.com/wp-content/uploads/2026/05/aislacion-termica-lana-mineral-muro-mobile.webp'); background-position: center top; }
    .lais-hero__inner  { padding: 5rem 1.5rem 4rem; }
    .lais-wrap,
    .lais-stats__inner { padding-left: 1.5rem; padding-right: 1.5rem; }
    .lais-guides__grid { grid-template-columns: 1fr; }
    .lais-guide-card--wide { grid-column: span 1; }
    .lais-hero__trust  { gap: 1.25rem; }
    .lais-trust__inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .lais-trust__divider { display: none; }
    .lais-trust__sources { border-top: 1px solid var(--color-border); padding-top: .875rem; width: 100%; }
    .lais-faq__answer { padding: 1rem 1.25rem 1.5rem; }
    .lais-mat-tabs { gap: .375rem; }
    .lais-mat-tab  { font-size: .8125rem; padding: .4rem .875rem; }
    .lais-wall-diagram { max-width: 100%; }
    .lais-r-item__label { font-size: .75rem; }
}

@media (max-width: 480px) {
    .lais-stats__inner { grid-template-columns: 1fr; }
    .lais-stat + .lais-stat { border-left: none; border-right: none; border-top: 1px solid var(--color-border); }
    .lais-stat:nth-child(odd) { border-right: none; }
    .lais-faq__trigger { padding: 1rem 1.125rem; gap: .75rem; }
    .lais-hero__nav { gap: .3rem; }
}