/* KLIMABIDE: colores sacados del logotipo (hoja verde, llama azul, nombre verde + azul) */
:root{
  --azul: #063EA4;        /* "bide" */
  --azul-llama: #0470DE;
  --cian: #1FBBF3;
  --azul-noche: #06214F;
  --verde: #0F6F06;       /* "Klima" */
  --verde-hoja: #0A5204;
  --lima: #78C20B;        /* hoja */
  --verde-noche: #0A3A07; /* verde Klimabide oscuro para fondos y títulos */
  --hielo: #F3F7FC;
  --escarcha: #DCE7F6;
  --tinta: #10213D;
  --blanco: #FFFFFF;
  --font: "Nunito Sans", "Segoe UI", Arial, sans-serif;
  --pad: clamp(20px, 5vw, 72px);
  --t: 0.5; /* temperatura 0 (frío) -> 1 (calor), la mueve main.js */
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:80px; }
body{
  margin:0; font-family:var(--font); font-size:1.0625rem; line-height:1.55;
  color:var(--tinta); background:var(--hielo);
}
img{ max-width:100%; }
a{ color:var(--verde); }
:focus-visible{ outline:3px solid var(--lima); outline-offset:3px; }
h1,h2,h3{ margin:0; line-height:1.05; }

/* ---------- cabecera ---------- */
.top{
  position:fixed; inset:0 0 auto 0; z-index:50;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:18px var(--pad);
  transition:padding .3s, background .3s, box-shadow .3s;
}
.top.is-scrolled{
  padding-block:10px; background:rgba(243,247,252,.92);
  backdrop-filter:blur(10px); box-shadow:0 1px 0 var(--escarcha);
}
.top-brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.top-logo{ height:38px; width:auto; transition:height .3s; }
.top.is-scrolled .top-logo{ height:30px; }
.top-name{
  height:22px; width:auto;
  opacity:0; transform:translateY(6px); transition:opacity .3s, transform .3s;
}
.top.is-scrolled .top-name, .top.is-inner .top-name{ opacity:1; transform:none; }
.menu{ display:flex; align-items:center; gap:28px; }
.menu a{ color:var(--tinta); text-decoration:none; font-weight:600; }
.menu a:hover{ color:var(--verde); }
.menu .menu-intranet{
  color:var(--blanco); background:var(--verde); padding:8px 16px; border-radius:999px;
}
.menu .menu-intranet:hover{ color:var(--blanco); background:var(--verde-noche); }
.menu-btn{ display:none; }

/* ---------- hero: la marca manda ---------- */
.hero{
  min-height:100svh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:110px var(--pad) 64px; position:relative; overflow:hidden;
  background:
    radial-gradient(55vmax 55vmax at calc(20% + var(--t) * 60%) 38%,
      color-mix(in srgb, var(--cian) calc(var(--t) * 22%), color-mix(in srgb, var(--lima) 34%, var(--hielo))) 0%,
      transparent 70%),
    var(--hielo);
}
.hero-brand{ display:flex; flex-direction:column; align-items:center; margin-bottom:28px; }
.hero-symbol{
  width:clamp(170px, 24vw, 330px); height:auto;
  transform:translate(calc((var(--t) - .5) * 24px), 0) rotate(calc((var(--t) - .5) * 4deg));
  filter:drop-shadow(0 18px 30px rgba(4,112,222,.18));
  animation:symbol-in 1.1s cubic-bezier(.2,.8,.2,1) both;
}
.hero-name{ margin:clamp(14px, 2vw, 24px) 0 0; line-height:0; }
.hero-name img{ max-width:100%; }
.hero-name img{
  width:clamp(260px, 42vw, 620px); height:auto;
  animation:name-in 1s .45s cubic-bezier(.6,0,.2,1) both;
}
.hero-tagline{
  margin:0 0 14px; font-weight:900; letter-spacing:-.01em; line-height:1.05;
  font-size:clamp(1.8rem, 3.6vw, 3rem); color:var(--verde);
  animation:rise 1s .7s cubic-bezier(.2,.8,.2,1) both;
}
.hero-lead{
  max-width:44ch; font-size:clamp(1.1rem, 1.6vw, 1.35rem); margin:0 0 32px;
  animation:rise 1s .8s cubic-bezier(.2,.8,.2,1) both;
}
.hero-actions{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; animation:rise 1s .9s cubic-bezier(.2,.8,.2,1) both; }
@keyframes symbol-in{ from{ opacity:0; transform:translateY(40px) scale(.85); } to{ opacity:1; } }
@keyframes name-in{ from{ clip-path:inset(0 100% 0 0); } to{ clip-path:inset(0 0 0 0); } }

@keyframes rise{ from{ opacity:0; transform:translateY(24px); } to{ opacity:1; transform:none; } }

/* ---------- botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font:inherit; font-weight:700; font-size:1rem; text-decoration:none;
  padding:14px 26px; border-radius:999px; border:2px solid transparent; cursor:pointer;
  transition:background .2s, color .2s, transform .15s;
}
.btn:active{ transform:scale(.97); }
.btn-solid{ background:var(--verde); color:var(--blanco); }
.btn-solid:hover{ background:var(--verde-hoja); }
.btn-line{ border-color:var(--verde); color:var(--verde); background:transparent; }
.btn-line:hover{ background:var(--verde); color:var(--blanco); }
.btn-light{ background:var(--blanco); color:var(--verde-noche); }
.btn-light:hover{ background:var(--escarcha); }
.btn[disabled]{ opacity:.6; cursor:wait; }

/* ---------- cinta de servicios ---------- */
.ticker{ background:var(--verde); color:var(--blanco); overflow:hidden; padding:14px 0; }
.ticker-track{ display:flex; width:max-content; animation:slide 32s linear infinite; }
.ticker span{
  font-weight:800; font-size:1.4rem; padding:0 28px; white-space:nowrap;
  
}
.ticker span::after{ content:""; display:inline-block; width:10px; height:10px; margin-left:56px; border-radius:50%; background:var(--lima); vertical-align:middle; }
@keyframes slide{ to{ transform:translateX(-50%); } }

/* ---------- bloques ---------- */
.block{ padding:clamp(64px, 10vw, 128px) var(--pad); max-width:1280px; margin:0 auto; }
.block-title{
  font-weight:900; font-size:clamp(2.2rem, 5vw, 4rem); color:var(--verde-noche);
   margin-bottom:40px;
}

/* servicios desplegables */
.service{ border-top:2px solid var(--escarcha); }
.service:last-child{ border-bottom:2px solid var(--escarcha); }
.service summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between;
  gap:20px; padding:26px 0;
}
.service summary::-webkit-details-marker{ display:none; }
.service-name{
  font-weight:800; font-size:clamp(1.6rem, 3.6vw, 2.8rem); color:var(--tinta);
   transition:color .2s;
}
.service summary:hover .service-name,
.service[open] .service-name{ color:var(--verde);  }
.service-plus{ width:28px; height:28px; position:relative; flex:none; }
.service-plus::before,.service-plus::after{
  content:""; position:absolute; left:0; right:0; top:50%; height:3px; background:var(--lima);
  transform:translateY(-50%); transition:transform .3s;
}
.service-plus::after{ transform:translateY(-50%) rotate(90deg); }
.service[open] .service-plus::after{ transform:translateY(-50%) rotate(0); }
.service-body{ max-width:62ch; padding:0 0 28px; animation:rise .4s ease both; }
.service-body p{ margin:0 0 12px; }

/* CAEs */
.caes{ background:linear-gradient(120deg, var(--verde-noche) 0%, var(--verde) 65%, #3E9A0A 100%); color:var(--blanco); padding:clamp(72px, 11vw, 140px) var(--pad); position:relative; overflow:hidden; }
.caes::after{
  content:"CAEs"; position:absolute; right:-.06em; bottom:-.22em; pointer-events:none;
  font-weight:900; font-size:clamp(8rem, 30vw, 26rem); line-height:1; color:rgba(255,255,255,.06);
  
}
.caes-inner{ max-width:640px; position:relative; z-index:1; }
.caes h2{ font-weight:900; font-size:clamp(2rem, 4.6vw, 3.6rem); margin-bottom:24px;  }
.caes p{ font-size:1.15rem; margin:0 0 16px; opacity:.92; }
.caes .btn{ margin-top:16px; }

/* pasos */
.steps{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(5, 1fr); gap:28px; counter-reset:paso; }
.steps li{ counter-increment:paso; border-top:4px solid var(--lima); padding-top:18px; }
.steps li::before{
  content:counter(paso); display:block; font-weight:900; font-size:3rem; line-height:1; color:var(--verde);
   margin-bottom:12px;
}
.steps h3{ font-size:1.3rem; margin-bottom:8px; color:var(--verde-noche); }
.steps p{ margin:0; font-size:.98rem; }

/* contacto */
.contact{
  display:grid; grid-template-columns:1fr 1.3fr; gap:clamp(32px, 6vw, 96px);
  padding:clamp(64px, 10vw, 128px) var(--pad); background:var(--blanco);
}
.contact h2{ font-weight:900; font-size:clamp(2rem, 4.4vw, 3.4rem); color:var(--verde-noche); margin-bottom:16px;  }
.contact dl{ margin:32px 0 0; display:grid; grid-template-columns:auto 1fr; gap:10px 20px; }
.contact dt{ font-weight:700; color:var(--verde); }
.contact dd{ margin:0; }

/* formularios (compartido con la intranet) */
.form{ display:grid; gap:18px; position:relative; }
.field{ display:grid; gap:6px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field-row.three{ grid-template-columns:repeat(3, 1fr); }
.field label{ font-weight:600; font-size:.95rem; }
.form input:not([type=checkbox]):not([type=file]):not([type=radio]), .form select, .form textarea{
  font:inherit; padding:12px 14px; border:2px solid var(--escarcha); border-radius:10px;
  background:var(--hielo); color:var(--tinta); width:100%;
}
.form input:focus, .form select:focus, .form textarea:focus{ border-color:var(--verde); outline:none; background:var(--blanco); }
.form .is-invalid{ border-color:#C0392B !important; }
.check{ display:flex; gap:10px; align-items:flex-start; font-size:.95rem; }
.check input{ margin-top:4px; width:18px; height:18px; accent-color:var(--verde); }
.hp{ position:absolute; left:-9999px; }
.form-status{ margin:0; font-weight:600; min-height:1.5em; }
.form-status.ok{ color:var(--verde-hoja); }
.form-status.err{ color:#C0392B; }

/* pie */
.foot{ background:var(--verde-noche); color:var(--blanco); padding:48px var(--pad) 28px; overflow:hidden; }
.foot-mark{ display:block; width:min(100%, 560px); height:auto; margin:0 0 28px; opacity:.18; filter:brightness(0) invert(1); }
.foot-row{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.95rem; }
.foot-row span:last-child{ display:flex; gap:20px; }
.foot a{ color:var(--blanco); }

/* ---------- páginas interiores (privacidad, intranet) ---------- */
.page{ max-width:900px; margin:0 auto; padding:120px var(--pad) 80px; }
.page h1{ font-weight:900; font-size:clamp(2.2rem, 5vw, 3.6rem); color:var(--verde-noche); margin-bottom:24px;  }
.page h2{ font-size:1.4rem; color:var(--verde); margin:36px 0 12px; }
.panel{ background:var(--blanco); border-radius:20px; padding:clamp(20px, 4vw, 40px); box-shadow:0 1px 0 var(--escarcha); }
fieldset{ border:0; margin:0 0 8px; padding:0; display:grid; gap:18px; }
legend{ font-weight:800; font-size:1.35rem; color:var(--verde); margin-bottom:12px; padding:0;  }

/* ---------- móvil ---------- */
@media (max-width: 900px){
  .steps{ grid-template-columns:1fr 1fr; }
  .contact{ grid-template-columns:1fr; }
}
@media (max-width: 720px){
  .menu-btn{
    display:block; font:inherit; font-weight:700; background:var(--verde); color:var(--blanco);
    border:0; border-radius:999px; padding:8px 16px;
  }
  .menu{
    position:fixed; top:64px; left:12px; right:12px; flex-direction:column; align-items:stretch; gap:4px;
    background:var(--blanco); border-radius:16px; padding:12px; box-shadow:0 12px 40px rgba(6,33,79,.18);
    display:none;
  }
  .menu.is-open{ display:flex; }
  .menu a{ padding:12px; }
  .field-row, .field-row.three{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
}

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