/* ============================================================
   volten360 — landing /empresas (diseño claro · cyan→teal→lime)
   ============================================================ */

:root{
  --c-ink: #0F2A44;
  --c-ink-2: #1B3A57;
  --c-muted: #5A6B82;
  --c-line: #E5ECF3;
  --c-bg: #F6F9FC;
  --c-bg-2: #FFFFFF;
  --c-cyan: #00E5FF;
  --c-teal: #22D3A6;
  --c-lime: #A6F94C;
  --grad: linear-gradient(135deg,#00E5FF 0%, #22D3A6 55%, #A6F94C 100%);
  --grad-soft: linear-gradient(135deg,rgba(0,229,255,.14), rgba(166,249,76,.10));
  --shadow-sm: 0 2px 10px rgba(15,42,68,.06);
  --shadow-md: 0 12px 40px rgba(15,42,68,.10);
  --shadow-lg: 0 30px 80px rgba(15,42,68,.18);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --maxw: 1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
h1,h2,h3,h4,h5{
  font-family:'Montserrat', 'Inter', sans-serif;
  letter-spacing:-.02em;
  line-height:1.1;
  margin:0 0 .6em;
}
h1{ font-size: clamp(2.4rem, 4.8vw, 4.4rem); font-weight:800; }
h2{ font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight:800; }
h3{ font-size: 1.2rem; font-weight:700; }
p{ margin:0 0 1em; color:var(--c-ink-2); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- utilidades ---------- */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hl{ position:relative; white-space:nowrap; }
.hl::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-4px;
  height:8px;
  background:var(--grad);
  border-radius:8px;
  opacity:.45;
  filter:blur(.5px);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'Montserrat', sans-serif;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-teal);
  background:var(--grad-soft);
  padding:8px 14px;
  border-radius:100px;
  border:1px solid rgba(34,211,166,.25);
}
.pulse{
  width:8px; height:8px; border-radius:50%;
  background:var(--c-teal);
  box-shadow:0 0 0 0 rgba(34,211,166,.6);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(34,211,166,.6); }
  70%{ box-shadow:0 0 0 12px rgba(34,211,166,0); }
  100%{ box-shadow:0 0 0 0 rgba(34,211,166,0); }
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:'Montserrat', sans-serif;
  font-weight:700;
  letter-spacing:.01em;
  border-radius:100px;
  padding:12px 20px;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  cursor:pointer;
  user-select:none;
}
.btn-sm{ padding:10px 16px; font-size:.85rem; }
.btn-lg{ padding:16px 26px; font-size:1rem; }
.btn-block{ width:100%; }

.btn-primary{
  background:var(--grad);
  color:#06243A;
  box-shadow:0 10px 30px rgba(0,229,255,.30), 0 6px 20px rgba(34,211,166,.25);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 36px rgba(0,229,255,.38), 0 8px 22px rgba(34,211,166,.32); }

.btn-ghost{
  background:#fff;
  color:var(--c-ink);
  border-color:var(--c-line);
}
.btn-ghost:hover{ border-color:var(--c-teal); color:var(--c-teal); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,249,252,.85);
  backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid rgba(15,42,68,.06);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px;
  gap:24px;
}
.brand img{ height:44px; width:auto; }
.nav-links{
  display:flex; gap:24px;
  font-family:'Montserrat', sans-serif;
  font-weight:600; font-size:.92rem;
}
.nav-links a{ color:var(--c-ink-2); }
.nav-links a:hover{ color:var(--c-teal); }
@media (max-width: 980px){
  .nav-links{ display:none; }
}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:80px 0 100px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,229,255,.18), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(166,249,76,.18), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #F6F9FC 100%);
}
.bg-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(15,42,68,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,42,68,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(800px 400px at 50% 0%, #000, transparent 80%);
  -webkit-mask-image: radial-gradient(800px 400px at 50% 0%, #000, transparent 80%);
  pointer-events:none;
}
.bg-orb{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  opacity:.55;
  pointer-events:none;
}
.bg-orb-a{ width:480px; height:480px; background:rgba(0,229,255,.30); top:-120px; right:-120px; }
.bg-orb-b{ width:420px; height:420px; background:rgba(166,249,76,.30); bottom:-160px; left:-100px; }
.bg-orb-c{ width:520px; height:520px; background:rgba(34,211,166,.30); top:20%; right:30%; }

.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:60px;
  align-items:center;
}
.hero-copy .eyebrow{ margin-bottom:22px; }
.hero-copy h1{ margin-bottom:22px; }
.lead{
  font-size:1.12rem;
  color:var(--c-ink-2);
  max-width:580px;
  margin-bottom:32px;
}
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:32px; }
.hero-trust{
  list-style:none; padding:0; margin:0;
  display:flex; flex-wrap:wrap; gap:22px;
  color:var(--c-muted);
  font-weight:600;
}
.hero-trust li{ display:flex; align-items:center; gap:8px; }
.hero-trust svg{ color:var(--c-teal); }

/* tarjeta hero */
.hero-card{
  position:relative;
  background:#fff;
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);
  padding:28px;
  border:1px solid rgba(15,42,68,.05);
  transform:rotate(.4deg);
}
.hero-card::before{
  content:"";
  position:absolute; inset:-2px;
  border-radius:var(--r-xl);
  padding:2px;
  background:var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity:.5;
}
.hero-card-head{
  display:flex; justify-content:space-between; align-items:center;
  font-family:'Montserrat', sans-serif; font-weight:700;
  padding-bottom:18px; border-bottom:1px solid var(--c-line);
}
.hero-card-title{ display:flex; align-items:center; gap:10px; font-size:.95rem; }
.dot{
  width:10px; height:10px; border-radius:50%;
  background:var(--c-teal);
  box-shadow:0 0 0 4px rgba(34,211,166,.18);
}
.badge-3d{
  background:var(--grad);
  color:#06243A;
  font-weight:800;
  padding:6px 12px;
  border-radius:100px;
  font-size:.78rem;
  letter-spacing:.06em;
}
.kpi{ display:grid; gap:10px; padding:20px 0; }
.kpi-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 14px;
  background:#F6F9FC;
  border-radius:var(--r-sm);
  font-size:.92rem;
  color:var(--c-ink-2);
}
.kpi-row strong{ color:var(--c-ink); font-weight:700; font-family:'Montserrat', sans-serif; }
.kpi-hl{
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.25);
}
.kpi-hl strong{ color:var(--c-teal); }
.ring{ width:160px; margin:8px auto 18px; }
.hero-card-foot{
  border-top:1px solid var(--c-line);
  padding-top:16px;
  font-size:.85rem; color:var(--c-muted);
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; gap:36px; }
  .hero-card{ transform:none; }
  .hero{ padding:48px 0 64px; }
}

/* ---------- STRIP de cifras ---------- */
.strip{
  background:#fff;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:28px 0;
}
.strip-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:24px;
  text-align:center;
}
.strip-grid > div{ display:flex; flex-direction:column; gap:4px; }
.strip-grid strong{
  font-family:'Montserrat', sans-serif;
  font-weight:800;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.strip-grid span{
  font-size:.85rem;
  color:var(--c-muted);
  font-weight:500;
}
@media (max-width: 720px){
  .strip-grid{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------- secciones ---------- */
.section{ padding:96px 0; position:relative; }
.section-alt{ background:#fff; }
.section-head{
  text-align:center;
  max-width:760px;
  margin:0 auto 56px;
}
.section-head .eyebrow{ margin-bottom:18px; }
.section-head p{ color:var(--c-muted); font-size:1.05rem; }

/* ---------- cómo funciona (3 steps) ---------- */
.steps-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:24px;
  position:relative;
}
.steps-grid::before{
  content:"";
  position:absolute;
  left:6%; right:6%;
  top:38px;
  height:2px;
  background:repeating-linear-gradient(90deg, rgba(34,211,166,.5) 0 8px, transparent 8px 16px);
  z-index:0;
}
.step{ position:relative; }
.step-num{
  position:relative;
  z-index:1;
  font-family:'Montserrat', sans-serif;
  font-weight:800;
  font-size:.78rem;
  letter-spacing:.12em;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  padding:8px 14px;
  border:1px solid rgba(34,211,166,.35);
  border-radius:100px;
  display:inline-block;
  margin-bottom:18px;
  background-color:#fff;
}
.step-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(34,211,166,.4);
}
.step-icon{
  width:46px; height:46px;
  border-radius:14px;
  background:var(--grad);
  color:#06243A;
  display:grid; place-items:center;
  margin-bottom:14px;
}
.step-tag{
  display:inline-block;
  margin-top:14px;
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.25);
  color:var(--c-teal);
  font-family:'Montserrat', sans-serif;
  font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  padding:4px 10px;
  border-radius:100px;
}
@media (max-width: 900px){
  .steps-grid{ grid-template-columns: 1fr; gap:14px; }
  .steps-grid::before{ display:none; }
}

/* ---------- tabs (servicios) ---------- */
.tab-nav{
  display:flex; gap:0;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  margin-bottom:40px;
  box-shadow:var(--shadow-sm);
}
.tab-btn{
  flex:1;
  padding:18px 16px;
  background:transparent;
  border:none;
  cursor:pointer;
  font-family:'Montserrat', sans-serif;
  font-size:.92rem;
  font-weight:700;
  color:var(--c-muted);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  transition:all .22s;
  border-right:1px solid var(--c-line);
  position:relative;
}
.tab-btn:last-child{ border-right:none; }
.tab-btn .t-icon{ font-size:22px; }
.tab-btn .t-label{ font-size:.85rem; }
.tab-btn:hover{ background:#F6F9FC; color:var(--c-ink); }
.tab-btn.on{
  background:var(--grad-soft);
  color:var(--c-ink);
}
.tab-btn.on::after{
  content:"";
  position:absolute;
  bottom:-1px; left:50%;
  transform:translateX(-50%);
  border:8px solid transparent;
  border-top-color:var(--c-teal);
}

.tab-panel{ display:none; animation:fadein .3s ease; }
.tab-panel.on{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
@keyframes fadein{ from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:translateY(0);} }

.t-h3{
  font-family:'Montserrat', sans-serif;
  font-size:1.6rem;
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.15;
  margin-bottom:12px;
}
.t-lead{ font-size:1rem; color:var(--c-ink-2); margin-bottom:24px; line-height:1.6; }

.arg-list{ list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:24px; }
.arg-item{
  display:flex; gap:12px;
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:14px;
  transition:border-color .2s, transform .2s, background .2s;
}
.arg-item:hover{ border-color:rgba(34,211,166,.4); transform:translateX(4px); background:#fff; box-shadow:var(--shadow-sm); }
.ai-icon{ font-size:18px; margin-top:1px; flex-shrink:0; }
.ai-title{ font-size:.92rem; font-weight:700; color:var(--c-ink); display:block; margin-bottom:3px; font-family:'Montserrat', sans-serif; }
.ai-desc{ font-size:.85rem; color:var(--c-muted); line-height:1.5; }

/* Visual panel */
.t-visual{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
  display:flex; flex-direction:column; gap:20px;
}
.vis-head{ display:flex; align-items:center; justify-content:space-between; }
.vis-title{ font-size:.78rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--c-muted); font-family:'Montserrat', sans-serif; }
.vis-badge{
  font-size:.72rem; font-weight:700; padding:4px 12px; border-radius:999px;
  background:rgba(30,217,124,.10); color:#1ED97C; border:1px solid rgba(30,217,124,.2);
}

/* Audit steps */
.aud-steps{ display:flex; flex-direction:column; gap:10px; }
.aud-step{
  display:flex; align-items:center; gap:12px;
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:12px 14px;
}
.aud-num{
  width:28px; height:28px; border-radius:50%;
  background:var(--grad);
  color:#06243A;
  font-size:.8rem; font-weight:800;
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.aud-step strong{ font-size:.9rem; font-weight:700; display:block; color:var(--c-ink); font-family:'Montserrat', sans-serif; }
.aud-step span{ font-size:.78rem; color:var(--c-muted); }
.aud-result{
  background:rgba(30,217,124,.08);
  border:1px solid rgba(30,217,124,.20);
  border-radius:var(--r-md);
  padding:18px;
  text-align:center;
}
.aud-result .big{
  font-family:'Montserrat', sans-serif;
  font-size:2rem;
  font-weight:800;
  color:#1ED97C;
}
.aud-result .lbl{ font-size:.78rem; color:var(--c-muted); margin-top:4px; }

/* Solar breakdown */
.solar-rows{ display:flex; flex-direction:column; gap:12px; }
.sol-row{ display:flex; align-items:center; gap:10px; }
.sol-lbl{ font-size:.85rem; color:var(--c-ink-2); width:140px; flex-shrink:0; font-weight:500; }
.sol-track{ flex:1; height:8px; background:#F6F9FC; border-radius:4px; overflow:hidden; }
.sol-fill{ height:100%; border-radius:4px; }
.sol-pct{ font-size:.85rem; font-weight:700; width:36px; text-align:right; font-family:'Montserrat', sans-serif; }
.sol-am{ background:var(--c-lime); }
.sol-gr{ background:#1ED97C; }
.sol-bl{ background:var(--c-cyan); }
.saving-box{
  background:var(--grad-soft);
  border:1px solid rgba(166,249,76,.25);
  border-radius:var(--r-md);
  padding:18px;
  display:flex; align-items:center; gap:14px;
}
.saving-box .icon{ font-size:30px; }
.saving-box strong{
  font-family:'Montserrat', sans-serif;
  font-size:1.3rem;
  font-weight:800;
  color:var(--c-ink);
  display:block;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.saving-box span{ font-size:.78rem; color:var(--c-muted); }

/* Mini metrics */
.mini-metrics{ display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.mm{
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:14px;
  text-align:center;
}
.mm-val{
  font-family:'Montserrat', sans-serif;
  font-size:1.3rem;
  font-weight:800;
}
.mm-val.cn{ color:var(--c-cyan); }
.mm-val.gr{ color:#1ED97C; }
.mm-val.lm{ color:var(--c-lime); }
.mm-val small{ font-size:.7rem; font-weight:600; margin-left:2px; }
.mm-lbl{ font-size:.72rem; color:var(--c-muted); margin-top:4px; font-family:'Montserrat', sans-serif; text-transform:uppercase; letter-spacing:.04em; }

/* Dashboard mini chart (tab 3) */
.dash-card{
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:16px;
}
.dash-head{
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:10px;
}
.dash-live{
  font-size:.72rem; font-weight:700;
  color:#1ED97C;
}
.minichart{
  height:90px;
  display:flex; align-items:flex-end; gap:4px; padding:0 2px;
}
.bar{ flex:1; border-radius:3px 3px 0 0; min-height:8px; }
.bar.b-n{ background:linear-gradient(0deg, rgba(0,229,255,.35) 0%, rgba(0,229,255,.7) 100%); }
.bar.b-o{ background:linear-gradient(0deg, rgba(30,217,124,.3) 0%, #1ED97C 100%); }

@media (max-width: 900px){
  .tab-panel.on{ grid-template-columns:1fr; gap:32px; }
  .tab-btn .t-label{ font-size:.78rem; }
}

/* ---------- calculadora ---------- */
.calc-wrap{
  display:grid;
  grid-template-columns:420px 1fr;
  gap:32px;
  align-items:start;
}
.calc-form{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-md);
}
.calc-form h3{ font-family:'Montserrat', sans-serif; font-size:1.2rem; font-weight:800; margin-bottom:6px; }
.calc-form p{ font-size:.85rem; color:var(--c-muted); margin-bottom:24px; }

.field{ margin-bottom:18px; }
.field label{
  display:block;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--c-muted);
  margin-bottom:8px;
  font-family:'Montserrat', sans-serif;
}
.field input, .field select{
  width:100%;
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:12px 14px;
  color:var(--c-ink);
  font-family:'Inter', sans-serif;
  font-size:.95rem;
  outline:none;
  transition:border-color .2s, background .2s, box-shadow .2s;
  -webkit-appearance:none;
}
.field input:focus, .field select:focus{
  border-color:var(--c-teal);
  background:#fff;
  box-shadow:0 0 0 4px rgba(34,211,166,.16);
}
.field select{
  cursor:pointer;
  padding-right:36px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%235A6B82' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }

.range-wrap{ position:relative; }
.field input[type=range]{
  -webkit-appearance:none; appearance:none;
  width:100%; height:4px;
  border-radius:2px;
  background:#F6F9FC;
  border:none;
  padding:0;
  cursor:pointer;
}
.field input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width:20px; height:20px;
  border-radius:50%;
  background:var(--grad);
  border:2px solid #fff;
  cursor:pointer;
  box-shadow:0 0 0 3px rgba(34,211,166,.16);
}
.field input[type=range]::-moz-range-thumb{
  width:20px; height:20px;
  border-radius:50%;
  background:var(--c-teal);
  border:2px solid #fff;
  cursor:pointer;
  box-shadow:0 0 0 3px rgba(34,211,166,.16);
}
.range-labels{
  display:flex; justify-content:space-between;
  font-size:.72rem; color:var(--c-muted);
  margin-top:6px;
}
.range-val{
  text-align:center;
  font-family:'Montserrat', sans-serif;
  font-size:1.3rem;
  font-weight:800;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  margin-bottom:8px;
}

/* Resultado */
.calc-result{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-md);
  min-height:400px;
  display:flex; flex-direction:column;
}
.result-empty{
  flex:1;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:12px;
  color:var(--c-muted);
  text-align:center;
}
.result-empty .icon{ font-size:48px; opacity:.4; }
.result-empty p{ font-size:.92rem; line-height:1.5; max-width:300px; }

.result-content{ display:flex; flex-direction:column; gap:24px; }
.result-hero-num{
  background:linear-gradient(135deg, var(--c-bg) 0%, #fff 100%);
  border:2px solid rgba(34,211,166,.25);
  border-radius:var(--r-lg);
  padding:28px;
  text-align:center;
}
.result-hero-num .amount{
  font-family:'Montserrat', sans-serif;
  font-size:3.2rem;
  font-weight:800;
  letter-spacing:-0.04em;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  line-height:1;
}
.result-hero-num .label{ font-size:.95rem; color:var(--c-ink-2); margin-top:8px; }
.result-hero-num .sublabel{ font-size:.78rem; color:var(--c-muted); margin-top:4px; }
.result-hero-num .sublabel strong{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:800; }

.result-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}
.result-box{
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:14px;
  text-align:center;
}
.result-box .val{
  font-family:'Montserrat', sans-serif;
  font-size:1.15rem;
  font-weight:800;
  line-height:1;
}
.result-box .val.cn{ color:var(--c-cyan); }
.result-box .val.lm{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.result-box .val.gr{ color:#1ED97C; }
.result-box .lbl{ font-size:.7rem; color:var(--c-muted); margin-top:4px; line-height:1.3; font-family:'Montserrat', sans-serif; }

.compare-bar{
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px;
}
.compare-title{
  font-size:.78rem;
  font-weight:700;
  color:var(--c-muted);
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:14px;
  font-family:'Montserrat', sans-serif;
}
.compare-row{ margin-bottom:12px; }
.compare-row:last-child{ margin-bottom:0; }
.compare-head{
  display:flex; justify-content:space-between;
  font-size:.85rem; color:var(--c-ink-2);
  margin-bottom:6px;
  font-weight:500;
}
.compare-head span:last-child{ font-weight:700; color:var(--c-ink); font-family:'Montserrat', sans-serif; }
.bar-track{
  height:8px;
  background:rgba(15,42,68,.06);
  border-radius:4px;
  overflow:hidden;
}
.bar-fill{ height:100%; border-radius:4px; transition:width .6s ease; }

.projection{
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px;
}
.proj-title{
  font-size:.78rem;
  font-weight:700;
  color:var(--c-muted);
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:14px;
  font-family:'Montserrat', sans-serif;
}
.proj-chart{
  display:flex; align-items:flex-end;
  gap:4px; height:90px;
}
.proj-bar{
  flex:1;
  border-radius:3px 3px 0 0;
  min-height:8px;
  background:linear-gradient(0deg, rgba(0,229,255,.3) 0%, rgba(0,229,255,.8) 100%);
  transition:height .4s ease;
  position:relative;
}
.proj-bar:last-child{ background:linear-gradient(0deg, rgba(30,217,124,.3) 0%, #1ED97C 100%); }
.proj-bar:hover::after{
  content:attr(data-val);
  position:absolute; bottom:100%; left:50%; transform:translateX(-50%);
  background:#fff; border:1px solid var(--c-line); padding:4px 8px; border-radius:4px;
  font-size:.7rem; white-space:nowrap; margin-bottom:4px;
  color:var(--c-ink); box-shadow:var(--shadow-sm);
}

.result-cta{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px;
  background:var(--grad-soft);
  border:1px solid rgba(166,249,76,.25);
  border-radius:var(--r-md);
  padding:18px 22px;
}
.result-cta p{ margin:0; font-size:.85rem; color:var(--c-ink-2); line-height:1.5; }
.result-cta p strong{ color:var(--c-ink); display:block; font-size:.92rem; margin-bottom:2px; font-family:'Montserrat', sans-serif; }
.result-cta a{
  background:var(--grad);
  color:#06243A;
  font-weight:700; font-size:.85rem;
  padding:10px 18px; border-radius:100px;
  text-decoration:none; white-space:nowrap;
  transition:transform .2s;
}
.result-cta a:hover{ transform:translateY(-1px); }

@media (max-width: 900px){
  .calc-wrap{ grid-template-columns:1fr; gap:24px; }
  .field-row{ grid-template-columns:1fr; }
  .result-grid{ grid-template-columns:1fr 1fr; }
  .result-cta{ flex-direction:column; text-align:center; align-items:stretch; }
}

/* ---------- EL PROBLEMA ---------- */
.problem-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}
.problem-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  transition: transform .2s, box-shadow .2s;
}
.problem-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); }
.problem-card-main{
  background:linear-gradient(135deg, var(--c-ink) 0%, #14304d 100%);
  color:#fff;
  border:none;
  grid-row:span 2;
  display:flex; flex-direction:column; justify-content:center;
}
.problem-card-main .problem-lbl{ color:#C9D6E8; font-size:1.1rem; line-height:1.4; margin-top:18px; }
.problem-card-main .problem-source{ color:#7C8DA4; font-size:.72rem; margin-top:auto; padding-top:18px; }
.problem-pct{
  font-family:'Montserrat', sans-serif;
  font-size:clamp(3.5rem, 6vw, 5rem);
  font-weight:800;
  background:linear-gradient(135deg,#00E5FF 0%, #22D3A6 50%, #A6F94C 100%);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  line-height:1;
}
.problem-ico{
  width:48px; height:48px;
  border-radius:14px;
  background:var(--grad-soft);
  display:grid; place-items:center;
  font-size:24px;
  margin-bottom:14px;
}
.problem-card h4{ font-size:1.05rem; font-family:'Montserrat', sans-serif; margin-bottom:8px; }
.problem-card p{ font-size:.92rem; color:var(--c-muted); margin:0; }
@media (max-width: 900px){
  .problem-grid{ grid-template-columns: 1fr 1fr; }
  .problem-card-main{ grid-row:auto; }
}
@media (max-width: 600px){
  .problem-grid{ grid-template-columns: 1fr; }
}

/* ---------- SOLUCIONES (grid 6 cards) ---------- */
.solutions-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}
.sol-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  position:relative;
  display:flex; flex-direction:column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.sol-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(34,211,166,.4);
}
.sol-num{
  position:absolute;
  top:24px; right:28px;
  font-family:'Montserrat', sans-serif;
  font-size:.78rem; font-weight:800;
  color:var(--c-muted);
  letter-spacing:.06em;
}
.sol-ico{
  width:54px; height:54px;
  border-radius:14px;
  display:grid; place-items:center;
  font-size:26px;
  margin-bottom:18px;
}
.sol-card h3{ font-size:1.18rem; font-family:'Montserrat', sans-serif; margin-bottom:10px; }
.sol-card p{ font-size:.92rem; color:var(--c-muted); margin-bottom:14px; flex:1; }
.sol-tag{
  display:inline-block;
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.25);
  color:var(--c-teal);
  font-family:'Montserrat', sans-serif;
  font-size:.72rem; font-weight:700;
  padding:4px 12px; border-radius:100px;
  letter-spacing:.04em;
  align-self:flex-start;
}
.sol-card-cta{
  background:linear-gradient(135deg, var(--c-ink) 0%, #14304d 100%);
  color:#fff;
  border:none;
}
.sol-card-cta h3{ color:#fff; }
.sol-card-cta p{ color:#C9D6E8; }
.sol-card-cta .sol-ico{ background:rgba(255,255,255,.1)!important; }
@media (max-width: 900px){
  .solutions-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  .solutions-grid{ grid-template-columns: 1fr; }
}

/* ---------- PINTURA TÉRMICA (highlighted) ---------- */
.pintura-section{
  background:
    radial-gradient(900px 500px at 80% 20%, rgba(0,229,255,.14), transparent 60%),
    radial-gradient(800px 500px at 20% 80%, rgba(166,249,76,.14), transparent 60%),
    var(--c-bg);
  position:relative;
  overflow:hidden;
}
.pintura-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:60px;
  align-items:start;
  position:relative;
}
.pintura-copy h2{ margin-bottom:18px; }
.pintura-lead{
  font-size:1.08rem;
  color:var(--c-ink-2);
  margin-bottom:28px;
  line-height:1.6;
}
.pintura-list{
  list-style:none; padding:0; margin:0 0 32px;
  display:grid; gap:14px;
}
.pintura-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
}
.pi-num{
  width:32px; height:32px;
  border-radius:50%;
  background:var(--grad-soft);
  color:var(--c-teal);
  display:grid; place-items:center;
  font-family:'Montserrat', sans-serif;
  font-weight:800;
  font-size:.95rem;
  flex-shrink:0;
}
.pintura-list strong{ display:block; font-family:'Montserrat', sans-serif; font-size:.95rem; color:var(--c-ink); margin-bottom:2px; }
.pintura-list span{ font-size:.82rem; color:var(--c-muted); }

.pintura-visual{ display:grid; gap:16px; }
.pv-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-sm);
}
.pv-label{
  font-family:'Montserrat', sans-serif;
  font-size:.78rem; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase;
  color:var(--c-muted);
  margin-bottom:14px;
}
.pv-comparison{ display:grid; gap:14px; }
.pv-row{
  display:grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap:12px; align-items:center;
  font-size:.85rem; color:var(--c-ink-2);
}
.pv-bar{
  height:10px;
  background:#F6F9FC;
  border-radius:5px;
  overflow:hidden;
}
.pv-fill{ height:100%; border-radius:5px; }
.pv-fill-hot{ background:linear-gradient(90deg, #FF4D6A 0%, #F5C842 100%); }
.pv-fill-cool{ background:var(--grad); }
.pv-row strong{
  font-family:'Montserrat', sans-serif;
  font-weight:800;
  font-size:1rem;
}

.pv-card-economy{
  background:linear-gradient(135deg, var(--c-ink) 0%, #14304d 100%);
  color:#fff;
  border:none;
}
.pv-eco{
  display:flex; flex-direction:column;
  align-items:center;
  text-align:center;
  padding:8px 0;
}
.pv-eco-num{
  font-family:'Montserrat', sans-serif;
  font-size:3.2rem;
  font-weight:800;
  background:linear-gradient(135deg,#00E5FF 0%, #22D3A6 50%, #A6F94C 100%);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  line-height:1;
}
.pv-eco-lbl{
  font-size:.92rem;
  color:#C9D6E8;
  margin-top:6px;
}
.pv-eco-detail{
  margin-top:14px;
  font-size:.78rem;
  color:#7C8DA4;
  text-align:center;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
}

.pv-apply-label{
  font-family:'Montserrat', sans-serif;
  font-size:.78rem; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase;
  color:var(--c-muted);
  margin-bottom:12px;
}
.pv-apply-tags{
  display:flex; flex-wrap:wrap; gap:8px;
}
.pv-apply-tags span{
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.20);
  color:var(--c-teal);
  font-family:'Montserrat', sans-serif;
  font-size:.78rem; font-weight:600;
  padding:6px 12px;
  border-radius:100px;
}

@media (max-width: 900px){
  .pintura-grid{ grid-template-columns: 1fr; gap:36px; }
  .pv-row{ grid-template-columns: 1fr 1.4fr auto; }
}

/* ---------- sectores ---------- */
.sectors{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}
.sector{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  transition: transform .2s ease, border-color .2s ease;
}
.sector:hover{ transform:translateY(-3px); border-color:rgba(34,211,166,.35); }
.sector-emoji{ font-size:1.8rem; display:block; margin-bottom:8px; }
.sector h4{ margin-bottom:6px; font-size:1.05rem; }
.sector p{ color:var(--c-muted); margin:0; font-size:.95rem; }
@media (max-width: 900px){
  .sectors{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  .sectors{ grid-template-columns: 1fr; }
}

/* ---------- casos ---------- */
.cases{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:24px;
}
.case{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  display:flex; flex-direction:column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
.case-tag{
  display:inline-block;
  font-size:.78rem; font-weight:700; letter-spacing:.06em;
  color:var(--c-teal); background:var(--grad-soft);
  padding:6px 12px; border-radius:100px;
  margin-bottom:14px;
  text-transform:uppercase;
  border:1px solid rgba(34,211,166,.25);
  font-family:'Montserrat', sans-serif;
}
.case h3{ font-size:1.18rem; }
.case p{ color:var(--c-muted); }
.case-kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--c-line);
}
.case-kpis > div{ text-align:center; }
.case-kpis strong{
  display:block;
  font-family:'Montserrat', sans-serif;
  font-weight:800;
  font-size:1.1rem;
  color:var(--c-ink);
}
.case-kpis span{
  font-size:.72rem;
  color:var(--c-muted);
  text-transform:uppercase;
  letter-spacing:.04em;
}
@media (max-width: 900px){
  .cases{ grid-template-columns: 1fr; }
}

/* ---------- por qué volten360 (6 cards) ---------- */
.why-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}
.why-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.why-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
  border-color:rgba(34,211,166,.35);
}
.wc-icon{
  width:50px; height:50px;
  border-radius:14px;
  background:var(--grad-soft);
  color:var(--c-teal);
  display:grid; place-items:center;
  font-size:24px;
  margin-bottom:14px;
}
.why-card h4{ font-size:1.05rem; font-family:'Montserrat', sans-serif; margin-bottom:8px; }
.why-card p{ font-size:.92rem; color:var(--c-muted); margin-bottom:14px; }
.wc-tag{
  display:inline-block;
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.25);
  color:var(--c-teal);
  font-family:'Montserrat', sans-serif;
  font-size:.72rem; font-weight:700;
  padding:4px 12px; border-radius:100px;
  letter-spacing:.04em;
}
@media (max-width: 900px){
  .why-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  .why-grid{ grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq{ max-width:820px; margin:0 auto; display:grid; gap:12px; }
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:18px 22px;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open]{
  border-color:rgba(34,211,166,.35);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  font-family:'Montserrat', sans-serif;
  font-weight:700;
  font-size:1.02rem;
  display:flex; justify-content:space-between; align-items:center;
  gap:14px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-plus{
  width:22px; height:22px; flex-shrink:0;
  border-radius:50%;
  background:var(--grad-soft);
  color:var(--c-teal);
  position:relative;
}
.faq-plus::before, .faq-plus::after{
  content:""; position:absolute;
  left:50%; top:50%;
  background:currentColor;
  transform:translate(-50%,-50%);
  transition: opacity .2s;
}
.faq-plus::before{ width:10px; height:2px; }
.faq-plus::after{ width:2px; height:10px; }
.faq-item[open] .faq-plus::after{ opacity:0; }
.faq-item p{ margin:14px 0 0; color:var(--c-ink-2); }

/* ---------- formulario ---------- */
.form-section{
  background:
    radial-gradient(700px 400px at 80% 20%, rgba(0,229,255,.18), transparent 60%),
    radial-gradient(700px 400px at 20% 80%, rgba(166,249,76,.18), transparent 60%),
    #F6F9FC;
  overflow:hidden;
}
.form-wrap{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:60px;
  align-items:start;
  position:relative;
}
.form-copy h2{ font-size: clamp(2rem, 3.6vw, 2.8rem); }
.form-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-xl);
  padding:32px;
  box-shadow:var(--shadow-lg);
}
.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.form-card label{
  display:flex; flex-direction:column;
  gap:6px;
  font-size:.85rem;
  font-weight:600;
  color:var(--c-ink);
  font-family:'Montserrat', sans-serif;
  margin-bottom:14px;
}
.form-card input,
.form-card select,
.form-card textarea{
  width:100%;
  font-family:'Inter', sans-serif;
  font-size:.95rem;
  font-weight:500;
  color:var(--c-ink);
  background:#F6F9FC;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:12px 14px;
  outline:none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus{
  border-color:var(--c-teal);
  background:#fff;
  box-shadow:0 0 0 4px rgba(34,211,166,.18);
}
.form-card textarea{ resize:vertical; min-height:84px; }
.check-row{
  display:flex !important;
  flex-direction:row !important;
  align-items:flex-start;
  gap:10px;
  font-size:.82rem !important;
  font-weight:500 !important;
  color:var(--c-muted) !important;
  font-family:'Inter', sans-serif !important;
  cursor:pointer;
}
.check-row input{ width:auto !important; padding:0 !important; background:transparent !important; border:0 !important; margin-top:4px; }
.check-row a{ color:var(--c-teal); text-decoration:underline; }
.form-success{
  margin-top:14px;
  padding:14px;
  background:var(--grad-soft);
  border:1px solid rgba(34,211,166,.3);
  border-radius:var(--r-sm);
  color:var(--c-ink);
  font-size:.92rem;
}
@media (max-width: 900px){
  .form-wrap{ grid-template-columns: 1fr; gap:36px; }
  .form-row{ grid-template-columns: 1fr; }
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-ink);
  color:#D7E1EE;
  padding:60px 0 30px;
}
.site-footer img{ height:40px; width:auto; filter:brightness(0) invert(1) hue-rotate(180deg); margin-bottom:14px; }
.site-footer p{ color:#9DB0C7; font-size:.95rem; max-width:280px; }
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap:36px;
  margin-bottom:40px;
}
.site-footer h5{
  font-family:'Montserrat', sans-serif;
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.16em;
  color:#fff;
  margin-bottom:16px;
}
.site-footer a, .site-footer span{
  display:block;
  color:#9DB0C7;
  font-size:.92rem;
  padding:6px 0;
  transition:color .2s;
}
.site-footer a:hover{ color:var(--c-cyan); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:20px;
  display:flex; justify-content:space-between;
  font-size:.85rem;
  color:#9DB0C7;
}
.muted{ color:#7C8DA4 !important; }
@media (max-width: 720px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-bottom{ flex-direction:column; gap:8px; text-align:center; }
}