/* ==========================================================================
   Tu Respaldo Eléctrico — hoja de estilos
   Paleta tomada del logo: sol ámbar, hoja verde, panel azul.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --bg:        #071320;
  --bg-2:      #0C1E33;
  --surface:   #10253C;
  --surface-2: #163150;
  --line:      rgba(255,255,255,.10);
  --line-soft: rgba(255,255,255,.06);

  --amber:     #FFB627;
  --amber-d:   #E89A0C;
  --orange:    #F0722A;
  --green:     #8CC152;
  --wa:        #25D366;
  --panel:     #5A9BD5;

  --txt:       #EDF3FA;
  --txt-2:     #A8BCD3;
  --txt-3:     #7A90A9;

  --wrap: 1200px;
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;

  --shadow:   0 18px 50px rgba(0,0,0,.45);
  --shadow-s: 0 6px 20px rgba(0,0,0,.30);

  --f-display: 'Sora', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-text:    'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;

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

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--f-text);
  font-size:clamp(16px,.55vw + 14px,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }
button{ font:inherit; color:inherit; }
h1,h2,h3{ font-family:var(--f-display); font-weight:700; line-height:1.1; letter-spacing:-.02em; margin:0; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }

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

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--amber); color:#1a1205; padding:.7rem 1.1rem; font-weight:600; border-radius:0 0 8px 0;
}
.skip:focus{ left:0; }

.wrap{ width:min(100% - 2.5rem, var(--wrap)); margin-inline:auto; }
.wrap.narrow{ width:min(100% - 2.5rem, 820px); }

/* ---------- Botones ---------- */
.btn{
  --btn-bg:transparent; --btn-fg:var(--txt); --btn-bd:var(--line);
  display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  padding:.9rem 1.5rem; border-radius:999px;
  background:var(--btn-bg); color:var(--btn-fg);
  border:1px solid var(--btn-bd);
  font-family:var(--f-display); font-weight:600; font-size:.98rem;
  text-decoration:none; cursor:pointer;
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), filter .18s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }

.btn-solar{
  --btn-bg:linear-gradient(135deg,var(--amber),var(--orange));
  --btn-fg:#231502; --btn-bd:transparent;
  box-shadow:0 8px 24px rgba(255,182,39,.28);
}
.btn-solar:hover{ box-shadow:0 12px 32px rgba(255,182,39,.42); }

.btn-wa{ --btn-bg:var(--wa); --btn-fg:#04270f; --btn-bd:transparent; box-shadow:0 8px 22px rgba(37,211,102,.25); }
.btn-wa:hover{ filter:brightness(1.06); }

.btn-ghost{ --btn-bg:rgba(255,255,255,.06); --btn-bd:rgba(255,255,255,.22); backdrop-filter:blur(6px); }
.btn-ghost:hover{ --btn-bg:rgba(255,255,255,.12); }

.btn-lg{ padding:1.05rem 1.8rem; font-size:1.06rem; }
.btn-block{ width:100%; }

.ico{ width:20px; height:20px; fill:currentColor; flex:none; }
.ico-arrow{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; flex:none; transition:transform .2s var(--ease); }
.btn:hover .ico-arrow{ transform:translateX(4px); }
.ico-sm{ width:19px; height:19px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; flex:none; color:var(--amber); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  padding:.9rem 0;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,19,32,.88);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-soft);
  box-shadow:0 8px 30px rgba(0,0,0,.35);
  padding:.55rem 0;
}
.header-inner{ display:flex; align-items:center; gap:1.5rem; }

.brand{ display:flex; align-items:center; gap:.7rem; text-decoration:none; flex:none; }
.brand img{ width:44px; height:44px; object-fit:contain; transition:width .3s var(--ease), height .3s var(--ease); }
.site-header.scrolled .brand img{ width:38px; height:38px; }
.brand-txt{ display:flex; flex-direction:column; line-height:1; }
.brand-txt b{ font-family:var(--f-display); font-weight:800; font-size:1.02rem; letter-spacing:-.01em; color:var(--amber); }
.brand-txt span{ font-family:var(--f-display); font-weight:600; font-size:.72rem; letter-spacing:.24em; color:var(--txt-2); margin-top:.2rem; }

.nav{ display:flex; gap:.4rem; margin-left:auto; }
.nav a{
  position:relative; padding:.5rem .8rem; border-radius:8px;
  font-size:.92rem; font-weight:500; color:var(--txt-2); text-decoration:none;
  transition:color .18s var(--ease), background .18s var(--ease);
}
.nav a:hover, .nav a.active{ color:var(--txt); background:rgba(255,255,255,.06); }

.header-cta{ padding:.65rem 1.1rem; font-size:.9rem; flex:none; }

.burger{ display:none; width:44px; height:44px; background:none; border:1px solid var(--line); border-radius:10px; cursor:pointer; padding:0; flex:none; }
.burger span{ display:block; width:20px; height:2px; margin:4px auto; background:var(--txt); border-radius:2px; transition:transform .25s var(--ease), opacity .2s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{ position:relative; min-height:min(100svh,860px); display:flex; align-items:flex-end; padding:9rem 0 4rem; isolation:isolate; overflow:hidden; }
.hero-media{ position:absolute; inset:0; z-index:-2; }
.hero-media picture{ display:block; width:100%; height:100%; }
.hero-media img{ width:100%; height:100%; object-fit:cover; object-position:center 45%; }
.hero-veil{
  position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(90rem 55rem at 80% 6%, rgba(255,182,39,.14), transparent 60%),
    linear-gradient(180deg, rgba(7,19,32,.70) 0%, rgba(7,19,32,.26) 30%, rgba(7,19,32,.40) 74%, rgba(7,19,32,.88) 96%, var(--bg) 100%),
    linear-gradient(95deg, rgba(7,19,32,.88) 2%, rgba(7,19,32,.52) 40%, rgba(7,19,32,.10) 76%, transparent 94%);
}
.hero-inner{ position:relative; max-width:min(100%, 62ch); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.6rem;
  font-size:.82rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--txt-2); background:rgba(255,255,255,.07); border:1px solid var(--line);
  padding:.45rem 1rem; border-radius:999px; backdrop-filter:blur(8px); margin-bottom:1.6rem;
}
.eyebrow .dot{ width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 0 4px rgba(140,193,82,.22); }

.hero h1{ font-size:clamp(2.4rem,5.6vw,4.15rem); font-weight:800; margin-bottom:1.4rem; text-shadow:0 4px 40px rgba(0,0,0,.55); text-wrap:balance; }
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--amber),var(--orange) 70%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.lede{ font-size:clamp(1.02rem,1.5vw,1.19rem); color:var(--txt-2); max-width:60ch; margin-bottom:2.2rem; }

.hero-actions{ display:flex; flex-wrap:wrap; gap:.9rem; margin-bottom:3rem; }

.hero-caption{ margin:0; padding-left:1rem; border-left:2px solid var(--amber); max-width:52ch; }
.hero-caption figcaption{ font-size:.88rem; color:var(--txt-3); }
.hero-caption strong{ color:var(--txt-2); font-weight:600; }

/* ---------- Stats ---------- */
.stats{ background:var(--bg-2); border-block:1px solid var(--line-soft); padding:2.4rem 0; }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; }
.stat{ display:flex; flex-direction:column; gap:.25rem; text-align:center; position:relative; }
.stat + .stat::before{ content:''; position:absolute; left:-.75rem; top:12%; bottom:12%; width:1px; background:var(--line); }
.stat-n{ font-family:var(--f-display); font-weight:800; font-size:clamp(1.8rem,3.4vw,2.6rem); line-height:1; background:linear-gradient(140deg,var(--amber),var(--orange)); -webkit-background-clip:text; background-clip:text; color:transparent; font-variant-numeric:tabular-nums; }
.stat-l{ font-size:.86rem; color:var(--txt-3); }

/* ---------- Secciones ---------- */
.section{ padding:clamp(4.5rem,9vw,7.5rem) 0; }
.section-alt{ background:var(--bg-2); }

.sec-head{ max-width:70ch; margin-bottom:3.4rem; }
.kicker{ font-family:var(--f-display); font-size:.8rem; font-weight:700; letter-spacing:.18em; text-transform:uppercase; color:var(--amber); margin-bottom:.9rem; }
.sec-head h2{ font-size:clamp(1.9rem,3.9vw,2.9rem); margin-bottom:1rem; }
.sec-sub{ color:var(--txt-2); font-size:1.03rem; max-width:62ch; }

/* ---------- Cards de servicio ---------- */
.cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(310px,1fr)); gap:1.6rem; }
.card{
  background:var(--surface); border:1px solid var(--line-soft); border-radius:var(--r-lg);
  overflow:hidden; display:flex; flex-direction:column;
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover{ transform:translateY(-6px); border-color:rgba(255,182,39,.4); box-shadow:var(--shadow); }
.card-media{ aspect-ratio:16/10; overflow:hidden; background:var(--surface-2); }
.card-media img{ width:100%; height:100%; object-fit:cover; transition:transform .55s var(--ease); }
.card:hover .card-media img{ transform:scale(1.06); }
.card-body{ padding:1.7rem; display:flex; flex-direction:column; gap:.85rem; flex:1; }
.card-num{ font-family:var(--f-display); font-weight:800; font-size:.8rem; letter-spacing:.14em; color:var(--amber); }
.card h3{ font-size:1.35rem; }
.card p{ color:var(--txt-2); font-size:.97rem; }
.ticks{ display:flex; flex-direction:column; gap:.5rem; margin-top:auto; padding-top:.9rem; border-top:1px solid var(--line-soft); }
.ticks li{ position:relative; padding-left:1.55rem; font-size:.9rem; color:var(--txt-3); }
.ticks li::before{
  content:''; position:absolute; left:0; top:.42em; width:14px; height:8px;
  border-left:2px solid var(--green); border-bottom:2px solid var(--green);
  transform:rotate(-45deg); border-radius:1px;
}

/* ---------- Sectores ---------- */
.split{ display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:1.6rem; }
.sector{
  background:linear-gradient(160deg,var(--surface),var(--bg-2));
  border:1px solid var(--line-soft); border-radius:var(--r-lg); padding:2.4rem;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.sector:hover{ border-color:rgba(255,182,39,.35); transform:translateY(-4px); }
.sector-icon{
  width:56px; height:56px; border-radius:16px; display:grid; place-items:center; margin-bottom:1.4rem;
  background:linear-gradient(135deg,rgba(255,182,39,.18),rgba(240,114,42,.12));
  border:1px solid rgba(255,182,39,.28);
}
.sector-icon svg{ width:28px; height:28px; fill:none; stroke:var(--amber); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.sector h3{ font-size:1.5rem; margin-bottom:.8rem; }
.sector p{ color:var(--txt-2); }
.sector-tag{ margin-top:1.2rem !important; padding-top:1.2rem; border-top:1px solid var(--line-soft); font-size:.86rem; color:var(--txt-3) !important; letter-spacing:.02em; }

/* ---------- Proyectos ---------- */
.projects{ display:grid; grid-template-columns:repeat(6,1fr); gap:1.6rem; }
.project{
  position:relative; border-radius:var(--r-lg); overflow:hidden; min-height:340px;
  display:flex; align-items:flex-end; isolation:isolate;
  border:1px solid var(--line-soft);
  grid-column:span 2;
}
.project-lg{ grid-column:1 / -1; min-height:460px; }
.project img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:-2; transition:transform .6s var(--ease); }
.project::after{
  content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(180deg, rgba(7,19,32,.32) 0%, rgba(7,19,32,.78) 52%, rgba(7,19,32,.96) 100%);
}
/* La tarjeta grande lleva texto largo sobre zonas claras de la foto:
   se refuerza con un degradado lateral además del vertical. */
.project-lg::after{
  background:
    linear-gradient(100deg, rgba(7,19,32,.92) 12%, rgba(7,19,32,.55) 48%, transparent 78%),
    linear-gradient(180deg, rgba(7,19,32,.10) 0%, rgba(7,19,32,.55) 55%, rgba(7,19,32,.92) 100%);
}
.project:hover img{ transform:scale(1.05); }
.project-body{ padding:2rem; display:flex; flex-direction:column; gap:.7rem; }
.project-lg .project-body{ padding:2.6rem; max-width:62ch; }
.tag{
  align-self:flex-start; font-family:var(--f-display); font-size:.72rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--amber);
  background:rgba(255,182,39,.14); border:1px solid rgba(255,182,39,.3);
  padding:.35rem .8rem; border-radius:999px;
}
.project h3{ font-size:clamp(1.3rem,2.3vw,1.85rem); }
.project p{ color:var(--txt-2); font-size:.97rem; }
.project p strong{ color:var(--amber); font-weight:600; }

/* ---------- Proceso ---------- */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:1.5rem; counter-reset:s; }
.step{ position:relative; padding-top:1.8rem; }
.step::before{ content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--amber),rgba(255,182,39,.05)); border-radius:2px; }
.step-n{
  display:grid; place-items:center; width:38px; height:38px; border-radius:50%;
  background:linear-gradient(135deg,var(--amber),var(--orange)); color:#231502;
  font-family:var(--f-display); font-weight:800; font-size:1rem; margin-bottom:1rem;
}
.step h3{ font-size:1.18rem; margin-bottom:.5rem; }
.step p{ color:var(--txt-2); font-size:.94rem; }

/* ---------- Nosotros ---------- */
.about{ display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1fr); gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.about-media{ position:relative; border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow); }
.about-media img{ width:100%; aspect-ratio:4/5; object-fit:cover; }
.about-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(7,19,32,.55));
  pointer-events:none;
}
.about-badge{
  position:absolute; left:1.2rem; right:1.2rem; bottom:1.2rem; z-index:2;
  background:rgba(7,19,32,.72); backdrop-filter:blur(10px);
  border:1px solid var(--line); border-radius:var(--r);
  padding:.9rem 1.1rem;
}
.about-badge b{ display:block; font-family:var(--f-display); font-size:1.02rem; }
.about-badge span{ font-size:.83rem; color:var(--amber); }
.about-body h2{ font-size:clamp(1.9rem,3.5vw,2.7rem); margin-bottom:1.3rem; }
.about-body p{ color:var(--txt-2); margin-bottom:1.1rem; }
.about-body blockquote{
  margin:1.8rem 0; padding:1.1rem 1.4rem;
  border-left:3px solid var(--amber); background:rgba(255,182,39,.07);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-family:var(--f-display); font-size:1.1rem; font-weight:600; color:var(--txt); line-height:1.4;
}

/* ---------- Aliado ---------- */
.ally{ background:var(--bg-2); border-block:1px solid var(--line-soft); padding:clamp(3rem,6vw,5rem) 0; }
.ally-inner{ display:grid; grid-template-columns:minmax(0,.55fr) minmax(0,1fr); gap:clamp(2rem,5vw,4rem); align-items:center; }
.ally-media{ border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-s); }
.ally-media img{ width:100%; aspect-ratio:3/4; object-fit:cover; }
.ally-body h2{ font-size:clamp(1.7rem,3.2vw,2.4rem); margin-bottom:1rem; }
.ally-body p{ color:var(--txt-2); margin-bottom:1.6rem; max-width:56ch; }
.ally-body p strong{ color:var(--txt); font-weight:600; }
.ally-link{
  display:inline-flex; align-items:center; gap:.7rem;
  padding:.8rem 1.4rem; border-radius:999px;
  background:rgba(255,255,255,.06); border:1px solid var(--line);
  font-family:var(--f-display); font-weight:600; font-size:.95rem;
  text-decoration:none; transition:all .2s var(--ease);
}
.ally-link:hover{ background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.3); transform:translateY(-2px); }
.ally-link:hover .ico-arrow{ transform:translateX(4px); }
.ally-link img{ opacity:.9; }

.footer-ally{ display:flex; align-items:center; gap:.5rem; font-size:.88rem; color:var(--txt-3) !important; }
.footer-ally img{ opacity:.75; }
.footer-ally a{ color:var(--txt-2); text-decoration:none; border-bottom:1px solid var(--line); }
.footer-ally a:hover{ color:var(--amber); }

/* ---------- FAQ ---------- */
.faq{ display:flex; flex-direction:column; gap:.8rem; }
.faq details{
  background:var(--surface); border:1px solid var(--line-soft); border-radius:var(--r);
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.faq details[open]{ border-color:rgba(255,182,39,.32); background:var(--surface-2); }
.faq summary{
  cursor:pointer; list-style:none; padding:1.15rem 3.2rem 1.15rem 1.4rem; position:relative;
  font-family:var(--f-display); font-weight:600; font-size:1.03rem;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:''; position:absolute; right:1.4rem; top:50%; width:11px; height:11px;
  border-right:2px solid var(--amber); border-bottom:2px solid var(--amber);
  transform:translateY(-70%) rotate(45deg); transition:transform .25s var(--ease);
}
.faq details[open] summary::after{ transform:translateY(-25%) rotate(-135deg); }
.faq details p{ padding:0 1.4rem 1.35rem; color:var(--txt-2); font-size:.97rem; }

/* ---------- Contacto ---------- */
.contact{ position:relative; overflow:hidden; }
.contact::before{
  content:''; position:absolute; top:-30%; left:50%; width:70rem; height:40rem; transform:translateX(-50%);
  background:radial-gradient(closest-side, rgba(255,182,39,.11), transparent);
  pointer-events:none;
}
.contact-grid{ position:relative; display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); gap:clamp(2rem,5vw,4rem); align-items:start; }
.contact-intro h2{ font-size:clamp(1.9rem,3.5vw,2.7rem); margin-bottom:1rem; }
.contact-intro .sec-sub{ margin-bottom:2rem; }
.contact-list{ display:flex; flex-direction:column; gap:1rem; margin-top:2rem; }
.contact-list li{ display:flex; align-items:center; gap:.85rem; font-size:.96rem; color:var(--txt-2); }
.contact-list a{ color:var(--txt); text-decoration:none; border-bottom:1px solid rgba(255,182,39,.4); transition:color .2s var(--ease); }
.contact-list a:hover{ color:var(--amber); }

/* ---------- Formulario ---------- */
.form{
  background:var(--surface); border:1px solid var(--line-soft); border-radius:var(--r-lg);
  padding:clamp(1.6rem,3vw,2.4rem); display:flex; flex-direction:column; gap:1.15rem;
  box-shadow:var(--shadow);
}
.field{ display:flex; flex-direction:column; gap:.45rem; border:0; padding:0; margin:0; min-width:0; }
.field label, .field legend{ font-size:.87rem; font-weight:600; color:var(--txt-2); padding:0; }
.field .req{ color:var(--orange); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.15rem; }

.form input[type="text"], .form input[type="tel"], .form input[type="email"], .form textarea{
  width:100%; padding:.85rem 1rem; border-radius:var(--r-sm);
  background:var(--bg-2); border:1px solid var(--line);
  color:var(--txt); font:inherit; font-size:.97rem;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.form input::placeholder, .form textarea::placeholder{ color:var(--txt-3); opacity:.7; }
.form input:focus, .form textarea:focus{
  outline:none; border-color:var(--amber); background:var(--bg);
  box-shadow:0 0 0 3px rgba(255,182,39,.16);
}
.form input[aria-invalid="true"], .form textarea[aria-invalid="true"]{ border-color:var(--orange); box-shadow:0 0 0 3px rgba(240,114,42,.16); }
.form textarea{ resize:vertical; min-height:110px; }

.chips{ display:flex; flex-wrap:wrap; gap:.55rem; margin-top:.15rem; }
.chip{ position:relative; cursor:pointer; }
.chip input{ position:absolute; opacity:0; width:0; height:0; }
.chip span{
  display:inline-block; padding:.55rem 1rem; border-radius:999px;
  background:var(--bg-2); border:1px solid var(--line);
  font-size:.88rem; color:var(--txt-2);
  transition:all .2s var(--ease);
}
.chip:hover span{ border-color:rgba(255,182,39,.5); color:var(--txt); }
.chip input:checked + span{ background:rgba(255,182,39,.16); border-color:var(--amber); color:var(--amber); font-weight:600; }
.chip input:focus-visible + span{ outline:3px solid var(--amber); outline-offset:2px; }

.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.form-note{ font-size:.81rem; color:var(--txt-3); text-align:center; }
.form-msg{ font-size:.94rem; text-align:center; font-weight:500; }
.form-msg.ok{ color:var(--green); }
.form-msg.err{ color:var(--orange); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--bg-2); border-top:1px solid var(--line-soft); padding:4rem 0 2rem; }
.footer-inner{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem; padding-bottom:2.5rem; }
.footer-brand{ display:flex; flex-direction:column; gap:1rem; align-items:flex-start; }
.footer-brand .brand{ pointer-events:none; }
.footer-brand p{ color:var(--txt-3); font-size:.92rem; max-width:42ch; }
.footer-nav, .footer-contact{ display:flex; flex-direction:column; gap:.65rem; }
.footer-nav a, .footer-contact a{ color:var(--txt-2); text-decoration:none; font-size:.93rem; transition:color .2s var(--ease); }
.footer-nav a:hover, .footer-contact a:hover{ color:var(--amber); }
.footer-legal{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:.6rem; padding-top:1.6rem; border-top:1px solid var(--line-soft); }
.footer-legal p{ font-size:.84rem; color:var(--txt-3); }


/* Enlaces dentro del pie legal y de la nota del formulario */
.footer-legal a, .form-note a{ color:var(--txt-2); text-decoration:none; border-bottom:1px solid var(--line); transition:color .2s var(--ease); }
.footer-legal a:hover, .form-note a:hover{ color:var(--amber); border-bottom-color:var(--amber); }

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed; right:1.1rem; bottom:1.1rem; z-index:90;
  width:56px; height:56px; border-radius:50%;
  background:var(--wa); display:grid; place-items:center;
  box-shadow:0 10px 28px rgba(37,211,102,.4);
  transition:transform .2s var(--ease);
}
.wa-float svg{ width:30px; height:30px; fill:#04270f; }
.wa-float:hover{ transform:scale(1.08); }
.wa-float::after{
  content:''; position:absolute; inset:0; border-radius:50%;
  border:2px solid var(--wa); animation:ping 2.6s var(--ease) infinite;
}
@keyframes ping{ 0%{ transform:scale(1); opacity:.7; } 70%,100%{ transform:scale(1.6); opacity:0; } }

/* ---------- Reveal ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .nav{
    position:fixed; inset:0 0 auto 0; top:0; padding:5.5rem 1.5rem 2rem;
    flex-direction:column; gap:.2rem;
    background:var(--bg); background:linear-gradient(180deg,var(--bg),var(--bg-2));
    box-shadow:0 20px 50px rgba(0,0,0,.6);
    border-bottom:1px solid var(--line);
    transform:translateY(-100%); opacity:0; visibility:hidden;
    transition:transform .35s var(--ease), opacity .3s var(--ease), visibility .3s;
    margin-left:0;
  }
  .nav.open{ transform:translateY(0); opacity:1; visibility:visible; }
  .nav a{ padding:.85rem .6rem; font-size:1.05rem; border-bottom:1px solid var(--line-soft); border-radius:0; }
  .burger{ display:block; margin-left:auto; order:3; }
  .header-cta{ order:2; margin-left:auto; }
  .header-cta span{ display:none; }
  .header-cta{ width:44px; height:44px; padding:0; border-radius:12px; }
  .about{ grid-template-columns:1fr; }
  .about-media{ max-width:440px; }
  .ally-inner{ grid-template-columns:1fr; }
  .ally-media{ max-width:340px; }
  .projects{ grid-template-columns:repeat(4,1fr); }
  .project{ grid-column:span 2; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .footer-brand{ grid-column:1 / -1; }
}
@media (max-width:760px){
  .stats-grid{ grid-template-columns:repeat(2,1fr); gap:1.8rem 1rem; }
  .stat:nth-child(3)::before{ display:none; }
  .projects{ grid-template-columns:1fr; }
  .project, .project-lg{ grid-column:1 / -1; }
  .project-lg{ min-height:400px; }
  .hero{ min-height:auto; padding:8rem 0 3.5rem; }
  .hero-media img{ object-position:center 35%; }
  .field-row{ grid-template-columns:1fr; }
  .sector{ padding:1.8rem; }
  .project-body, .project-lg .project-body{ padding:1.6rem; }
}
@media (max-width:520px){
  .hero-actions .btn{ width:100%; }
  /* Titular y entradilla más compactos: dejan ver más foto sin tanto scroll */
  .hero h1{ font-size:2.1rem; margin-bottom:1.1rem; }
  .lede{ font-size:.98rem; margin-bottom:1.8rem; }
  .eyebrow{ font-size:.72rem; padding:.4rem .85rem; margin-bottom:1.2rem; }
  .hero-actions{ margin-bottom:2.2rem; }
  /* El botón flotante de WhatsApp se sienta en esta esquina: se le hace sitio */
  .hero-caption{ padding-right:4.2rem; }
  .hero-caption figcaption{ font-size:.82rem; }
  .footer-inner{ grid-template-columns:1fr; }
  .brand-txt b{ font-size:.94rem; }
  .brand-txt span{ font-size:.66rem; letter-spacing:.2em; }
  .wa-float{ width:52px; height:52px; bottom:.9rem; right:.9rem; }
}

/* ---------- Accesibilidad de movimiento ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .reveal{ opacity:1; transform:none; }
}

/* ---------- Impresión ---------- */
@media print{
  .site-header,.wa-float,.hero-actions,.form{ display:none; }
  body{ background:#fff; color:#000; }
}