/* =============================================================
   SOLTERRA · Premium clean-tech (glassmorphism dark · verde + azul)
   1. Tokens
   ============================================================= */
:root {
  /* backgrounds — deep teal → navy */
  --bg:      #05100e;
  --bg-2:    #071a2b;
  --bg-3:    #0a2233;
  --panel:   rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.07);

  /* ink */
  --ink:     #eaf6f0;
  --ink-2:   #cfe3dc;
  --mut:     #93afa8;
  --mut-2:   #6f8b84;

  /* accents — emerald + cyan + deep blue */
  --emerald: #34d399;
  --emerald-d:#0f9d6b;
  --cyan:    #22d3ee;
  --blue:    #2f7dff;
  --sun:     #ffcf5c;          /* warm sun glint, used sparingly */

  --accent:  var(--emerald);
  --grad:    linear-gradient(115deg, #34d399 0%, #2dd4bf 45%, #22d3ee 100%);
  --grad-blue: linear-gradient(120deg, #22d3ee, #2f7dff);

  --line:    rgba(255, 255, 255, 0.10);
  --line-2:  rgba(255, 255, 255, 0.16);

  --radius:  22px;
  --radius-s:14px;
  --shadow:  0 30px 70px -30px rgba(0, 0, 0, 0.75);
  --shadow-glow: 0 20px 60px -20px rgba(52, 211, 153, 0.35);

  --sans: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif:'Fraunces', Georgia, 'Times New Roman', serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.4, 0.5, 1);

  --gutter: clamp(1.1rem, 4vw, 2.4rem);
  --maxw: 1240px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
  scroll-padding-top: 88px;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
  position: relative;
}
/* page ambient background */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 45% at 8% 0%, rgba(52,211,153,0.12), transparent 60%),
    radial-gradient(55% 45% at 100% 12%, rgba(34,211,238,0.12), transparent 60%),
    radial-gradient(70% 60% at 50% 120%, rgba(47,125,255,0.14), transparent 60%),
    var(--bg);
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.06; letter-spacing: -0.02em; font-weight: 700; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--emerald); color: #04140f; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--emerald); color: #04140f;
  border-radius: 8px; font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   3. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .82rem 1.35rem; border-radius: 999px; font-weight: 700; font-size: .95rem;
  letter-spacing: -0.01em; transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), background .3s, color .3s, border-color .3s;
  will-change: transform; white-space: nowrap;
}
.btn svg { flex: none; }
.btn-primary {
  color: #04140f; background: var(--grad);
  box-shadow: 0 12px 30px -10px rgba(52, 211, 153, 0.55), inset 0 1px 0 rgba(255,255,255,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 44px -12px rgba(52, 211, 153, 0.7); }
.btn-ghost {
  color: var(--ink); background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-2); backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,0.09); border-color: var(--emerald); }
.btn-lg { padding: 1rem 1.7rem; font-size: 1rem; }
.btn-sm { padding: .5rem .9rem; font-size: .82rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none; }

.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--emerald); box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,.55);} 70% { box-shadow: 0 0 0 8px rgba(52,211,153,0);} 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0);} }

.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
@supports not (backdrop-filter: blur(10px)) {
  .glass { background: rgba(10, 26, 30, 0.85); }
}

/* =============================================================
   4. Section heads
   ============================================================= */
.section-kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .82rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--emerald); margin-bottom: 1rem;
}
.section-title { font-size: clamp(1.9rem, 4.6vw, 3.2rem); letter-spacing: -0.03em; }
.section-title em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--cyan); }
.section-head { max-width: 720px; margin: 0 auto clamp(2.4rem, 5vw, 4rem); text-align: center; }
.section-intro { margin-top: 1rem; color: var(--mut); font-size: 1.08rem; }
.section-intro strong { color: var(--ink-2); }
.lead { color: var(--ink-2); font-size: 1.12rem; }
.section-title + .lead, .problem-copy .lead { margin-top: 1.1rem; }
.ia-badge {
  font-size: .7rem; font-weight: 800; letter-spacing: .06em;
  padding: .12rem .45rem; border-radius: 6px; color: #04140f; background: var(--grad);
}
.demo-note { font-size: .92rem; color: var(--mut-2); font-style: italic; }

section { padding-block: clamp(3.6rem, 8vw, 7rem); position: relative; }

/* =============================================================
   5. Splash
   ============================================================= */
.splash {
  position: fixed; inset: 0; z-index: 10000;
  display: grid; place-items: center;
  background: radial-gradient(60% 60% at 50% 40%, #0a2233, #05100e);
  transition: opacity .8s var(--ease-out), clip-path .9s var(--ease-out);
  animation: splashSafety .01s 4.5s forwards;
}
.splash.is-out { opacity: 0; pointer-events: none; clip-path: inset(0 0 100% 0); }
@keyframes splashSafety { to { opacity: 0; pointer-events: none; clip-path: inset(0 0 100% 0); } }
.splash-mark { display: flex; align-items: center; gap: .8rem; }
.splash-sun {
  width: 42px; height: 42px; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #ffe08a, #ffcf5c 40%, var(--emerald) 120%);
  box-shadow: 0 0 40px rgba(52,211,153,.6); animation: spin 3s linear infinite;
}
.splash-name { font-family: var(--serif); font-size: 2rem; font-weight: 600; letter-spacing: -0.02em; opacity: 0; animation: fadeUp .8s .2s forwards; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px);} to { opacity: 1; transform: none; } }

/* =============================================================
   6. Nav
   ============================================================= */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 900; transition: background .4s, backdrop-filter .4s, border-color .4s; border-bottom: 1px solid transparent; }
.nav.is-stuck { background: rgba(5, 16, 14, 0.72); backdrop-filter: blur(16px) saturate(150%); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 1.2rem; max-width: var(--maxw); margin-inline: auto; padding: .85rem var(--gutter); }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.22rem; letter-spacing: -0.02em; }
.brand-sun { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #ffe08a, #ffcf5c 45%, var(--emerald) 130%); box-shadow: 0 0 16px rgba(52,211,153,.55); flex: none; }
.brand-name { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: none; gap: 1.5rem; margin-left: auto; }
.nav-links a { font-size: .93rem; color: var(--ink-2); position: relative; padding: .3rem 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--grad); transition: width .35s var(--ease-out); }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: none; }
.nav-burger { display: inline-flex; flex-direction: column; gap: 5px; margin-left: auto; padding: 8px; }
.nav-burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .35s var(--ease-out), opacity .3s; }
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile { display: flex; flex-direction: column; gap: .3rem; padding: 1rem var(--gutter) 1.6rem; background: rgba(5,16,14,.95); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav-mobile a { padding: .7rem 0; color: var(--ink-2); border-bottom: 1px solid var(--line); font-weight: 600; }
.nav-mobile a.btn { border: 0; color: #04140f; margin-top: .8rem; justify-content: center; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger { display: none; }
}

/* =============================================================
   7. Hero
   ============================================================= */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding-top: 96px; padding-bottom: 3rem; overflow: clip; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg picture { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.hero-tint {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,16,14,0.75) 0%, rgba(5,16,14,0.45) 35%, rgba(5,16,14,0.72) 78%, var(--bg) 100%),
    linear-gradient(100deg, rgba(5,16,14,0.85) 0%, rgba(7,26,43,0.3) 55%, transparent 100%);
}
.hero-mesh {
  position: absolute; inset: -20%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(38% 40% at 18% 30%, rgba(52,211,153,0.35), transparent 60%),
    radial-gradient(34% 36% at 82% 26%, rgba(34,211,238,0.30), transparent 60%),
    radial-gradient(40% 40% at 60% 88%, rgba(47,125,255,0.28), transparent 60%);
  filter: blur(50px); opacity: .8; animation: meshDrift 22s ease-in-out infinite;
}
@keyframes meshDrift { 0%,100% { transform: scale(1) translate(0,0);} 50% { transform: scale(1.15) translate(2%, -2%);} }
.hero-grain { position: absolute; inset: 0; z-index: -1; opacity: .05; pointer-events: none; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.hero-inner { position: relative; max-width: 780px; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .85rem; border-radius: 999px; background: rgba(255,255,255,0.06); border: 1px solid var(--line-2); font-size: .82rem; font-weight: 600; color: var(--ink-2); margin-bottom: 1.4rem; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--emerald); box-shadow: 0 0 12px var(--emerald); }
.hero-title { font-size: clamp(2.5rem, 6.6vw, 5rem); letter-spacing: -0.035em; line-height: 1; }
.hero-title em { font-family: var(--serif); font-style: italic; font-weight: 500; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 1.5rem; font-size: clamp(1.05rem, 2.2vw, 1.28rem); color: #dcefe8; max-width: 620px; }
.hero-sub strong { color: var(--emerald); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }
.hero-stats { list-style: none; display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 3rem); margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.hero-stats strong { display: block; font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats span { font-size: .9rem; color: var(--mut); }

.hero-card { position: absolute; right: var(--gutter); bottom: clamp(2rem, 6vw, 4rem); width: 260px; padding: 1.3rem; box-shadow: var(--shadow); display: none; }
.hero-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; }
.hero-card-label { font-size: .8rem; color: var(--mut); }
.hero-card-live { font-size: .72rem; color: var(--emerald); display: inline-flex; align-items: center; gap: .35rem; }
.hero-card-big { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; }
.hero-card-big small { font-size: .9rem; font-weight: 500; color: var(--mut); }
.hero-card-bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.08); margin: .7rem 0 .6rem; overflow: hidden; }
.hero-card-bar span { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--grad); animation: growBar 1.6s 1s var(--ease-out) forwards; }
@keyframes growBar { to { width: var(--w); } }
.hero-card-note { font-size: .72rem; color: var(--mut-2); }
@media (min-width: 1100px) { .hero-card { display: block; } }

.hero-scroll { position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line-2); border-radius: 999px; display: grid; place-items: start center; padding-top: 7px; }
.hero-scroll span { width: 4px; height: 8px; border-radius: 999px; background: var(--emerald); animation: scrolldot 1.8s infinite; }
@keyframes scrolldot { 0% { transform: translateY(0); opacity: 1;} 70% { transform: translateY(14px); opacity: 0;} 100% { opacity: 0;} }

/* =============================================================
   8. Marquee
   ============================================================= */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding-block: 1rem; background: rgba(255,255,255,0.02); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: inline-flex; align-items: center; gap: 1.6rem; white-space: nowrap; will-change: transform; }
.marquee-track span { font-size: 1rem; font-weight: 600; color: var(--ink-2); }
.marquee-track .sep { color: var(--emerald); }

/* =============================================================
   9. Problema
   ============================================================= */
.problem-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.problem-figures { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.figure-card { padding: 1.4rem; text-align: center; }
.figure-card.accent { background: linear-gradient(150deg, rgba(52,211,153,0.16), rgba(34,211,238,0.06)); border-color: rgba(52,211,153,0.3); grid-column: 1 / -1; }
.figure-num { display: block; font-size: clamp(1.7rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -0.03em; color: var(--ink); }
.figure-card.accent .figure-num { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.figure-label { font-size: .86rem; color: var(--mut); }
@media (min-width: 900px) { .problem-grid { grid-template-columns: 1.1fr .9fr; } }

/* =============================================================
   10. Ventajas (bento)
   ============================================================= */
.bento { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
.bento-card { padding: 1.7rem; position: relative; overflow: hidden; transition: transform .5s var(--ease-out), border-color .4s, box-shadow .5s; transform-style: preserve-3d; }
.bento-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at var(--mx,50%) var(--my,0%), rgba(52,211,153,0.14), transparent 70%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.bento-card:hover { border-color: rgba(52,211,153,0.35); box-shadow: var(--shadow-glow); }
.bento-card:hover::before { opacity: 1; }
.bento-ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.25); margin-bottom: 1.1rem; }
.bento-ico svg { width: 24px; height: 24px; color: var(--emerald); }
.bento-card h3 { font-size: 1.28rem; margin-bottom: .5rem; }
.bento-card p { color: var(--mut); font-size: .97rem; }
.bento-metric { margin-top: 1.2rem; font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bento-metric small { font-size: .8rem; font-weight: 500; color: var(--mut); -webkit-text-fill-color: var(--mut); }
.accent-card { background: linear-gradient(150deg, rgba(34,211,238,0.12), rgba(47,125,255,0.05)); }
@media (min-width: 720px) { .bento { grid-template-columns: repeat(2, 1fr); } .bento-card.span-2 { grid-column: span 2; } }
@media (min-width: 1000px) { .bento { grid-template-columns: repeat(4, 1fr); } .bento-card.span-2 { grid-column: span 2; } }

/* =============================================================
   11. Pasos
   ============================================================= */
.steps { list-style: none; display: grid; gap: 1.4rem; counter-reset: step; }
.step { display: grid; grid-template-columns: 1fr; gap: 1.2rem; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step-media { aspect-ratio: 16/10; overflow: hidden; }
.step-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.step:hover .step-media img { transform: scale(1.06); }
.step-body { padding: 0 1.6rem 1.7rem; }
.step-num { display: inline-block; font-family: var(--serif); font-style: italic; font-size: 1.4rem; color: var(--emerald); margin-bottom: .3rem; }
.step-body h3 { font-size: 1.3rem; margin-bottom: .4rem; }
.step-body p { color: var(--mut); font-size: .97rem; }
@media (min-width: 760px) {
  .step { grid-template-columns: 1.1fr 1fr; }
  .step:nth-child(even) .step-media { order: 2; }
  .step-media { aspect-ratio: auto; height: 100%; min-height: 260px; }
  .step-body { padding: 2rem; }
}
@media (min-width: 1040px) { .steps { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   12. Calculadora
   ============================================================= */
.calc { overflow: clip; }
.calc-halo { position: absolute; inset: -30% -10% auto -10%; height: 60%; background: radial-gradient(45% 60% at 50% 0%, rgba(52,211,153,0.18), transparent 70%); filter: blur(80px); pointer-events: none; z-index: -1; }
.calc-shell { max-width: 940px; margin-inline: auto; padding: clamp(1.4rem, 4vw, 2.6rem); box-shadow: var(--shadow); }
.calc-steps { display: flex; gap: .4rem; margin-bottom: 2rem; }
.calc-dot { flex: 1; display: flex; flex-direction: column; align-items: center; gap: .3rem; font-weight: 800; font-size: 1rem; color: var(--mut-2); position: relative; }
.calc-dot::before { content: ""; position: absolute; top: 13px; left: -50%; width: 100%; height: 2px; background: var(--line); z-index: 0; }
.calc-dot:first-child::before { display: none; }
.calc-dot i { font-style: normal; font-size: .72rem; font-weight: 600; }
.calc-dot { --dc: var(--mut-2); }
.calc-dot::after { content: attr(data-num); }
.calc-dot > i { color: var(--mut-2); }
.calc-dot.is-active, .calc-dot.is-done { color: var(--emerald); }
.calc-dot.is-active i, .calc-dot.is-done i { color: var(--ink-2); }
.calc-panel { display: none; animation: panelIn .5s var(--ease-out); }
.calc-panel.is-active { display: block; }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px);} to { opacity: 1; transform: none; } }
.calc-h { font-size: 1.35rem; margin-bottom: .4rem; }
.calc-p { color: var(--mut); margin-bottom: 1.3rem; font-size: .97rem; }
.calc-grid { display: grid; gap: 1.4rem; }
@media (min-width: 720px) { .calc-grid { grid-template-columns: 1fr 1fr; align-items: start; } }

.dropzone { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; text-align: center; padding: 2rem 1.2rem; border: 1.5px dashed var(--line-2); border-radius: var(--radius-s); cursor: pointer; transition: border-color .3s, background .3s; color: var(--ink-2); }
.dropzone:hover, .dropzone.is-over, .dropzone:focus-visible { border-color: var(--emerald); background: rgba(52,211,153,0.06); }
.dropzone svg { color: var(--emerald); }
.dz-title { font-weight: 700; }
.dz-sub { font-size: .8rem; color: var(--mut-2); }
.dz-status { margin-top: .9rem; padding: .8rem 1rem; border-radius: 12px; font-size: .9rem; border: 1px solid var(--line); background: rgba(255,255,255,0.03); }
.dz-status.ok { border-color: rgba(52,211,153,0.4); background: rgba(52,211,153,0.1); }
.dz-status.err { border-color: rgba(255,180,80,0.4); background: rgba(255,180,80,0.1); }
.dz-status .spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--emerald); border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; margin-right: .4rem; }

.calc-link { color: var(--emerald); font-weight: 600; font-size: .9rem; margin-top: .9rem; text-align: left; }
.calc-link:hover { text-decoration: underline; }
.calc-link.inline { display: inline; padding: 0; }

.field { margin-bottom: .9rem; }
.field label { display: block; font-size: .84rem; color: var(--ink-2); margin-bottom: .35rem; font-weight: 600; }
.field label small { color: var(--mut-2); font-weight: 400; }
.field input, .field textarea {
  width: 100%; padding: .8rem .9rem; border-radius: 12px; border: 1px solid var(--line-2);
  background: rgba(5,16,14,0.5); color: var(--ink); transition: border-color .3s, box-shadow .3s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--emerald); box-shadow: 0 0 0 3px rgba(52,211,153,0.16); }
.field textarea { resize: vertical; }

.calc-readout { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 1.4rem; padding: 1.1rem 1.2rem; border-radius: var(--radius-s); background: rgba(255,255,255,0.03); border: 1px solid var(--line); }
.ro-item { display: flex; flex-direction: column; }
.ro-item i { font-style: normal; font-size: .74rem; color: var(--mut-2); text-transform: uppercase; letter-spacing: .06em; }
.ro-item b { font-size: 1.05rem; }

.calc-nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.8rem; }

.address { position: relative; }
.address-list { list-style: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 20; margin-top: 4px; background: #0a1c19; border: 1px solid var(--line-2); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.address-list li { padding: .7rem .9rem; font-size: .9rem; cursor: pointer; border-bottom: 1px solid var(--line); }
.address-list li:last-child { border-bottom: 0; }
.address-list li:hover, .address-list li.is-active { background: rgba(52,211,153,0.12); }

.map-wrap { border-radius: var(--radius-s); overflow: hidden; border: 1px solid var(--line-2); }
#map { height: 380px; width: 100%; background: #0a1c19; }
.map-tools { display: flex; align-items: center; gap: .6rem; padding: .7rem; background: rgba(5,16,14,0.6); flex-wrap: wrap; }
.map-area { margin-left: auto; font-weight: 700; color: var(--emerald); font-size: .92rem; }
.leaflet-container { font-family: var(--sans); }
.roof-hint { background: rgba(5,16,14,.85); color: #eaf6f0; padding: 6px 10px; border-radius: 8px; font-size: .8rem; border: 1px solid var(--line-2); }

/* gate + result */
.gate-inner { max-width: 420px; margin-inline: auto; text-align: center; padding: 1rem 0; }
.gate-inner svg { color: var(--emerald); margin-inline: auto; margin-bottom: .6rem; }
.gate-inner h4 { font-size: 1.4rem; margin-bottom: .4rem; }
.gate-inner p { color: var(--mut); font-size: .95rem; margin-bottom: 1.2rem; }
.gate .field input { text-align: center; }
.check { display: flex; gap: .55rem; align-items: flex-start; text-align: left; font-size: .82rem; color: var(--mut); margin: .3rem 0 1rem; }
.check input { margin-top: .2rem; accent-color: var(--emerald); flex: none; }
.check a { color: var(--emerald); }
.gate-note { font-size: .82rem; margin-top: .6rem; color: var(--sun); }

.result-hero { display: grid; gap: 1.6rem; align-items: center; padding: 1.4rem 0; }
.result-label { font-size: .84rem; color: var(--mut); text-transform: uppercase; letter-spacing: .08em; }
.result-big b { display: block; font-size: clamp(2.6rem, 8vw, 4rem); font-weight: 800; letter-spacing: -0.04em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.result-sub { color: var(--ink-2); }
.result-sub b { color: var(--emerald); }
.result-gauge { position: relative; width: 150px; justify-self: center; display: grid; place-items: center; text-align: center; }
.result-gauge svg { width: 150px; height: 150px; transform: rotate(-90deg); }
.gauge-bg { fill: none; stroke: rgba(255,255,255,0.08); stroke-width: 10; }
.gauge-fg { fill: none; stroke: url(#gaugegrad); stroke: var(--emerald); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 327; stroke-dashoffset: 327; transition: stroke-dashoffset 1.4s var(--ease-out); }
.gauge-pct { position: absolute; font-size: 1.9rem; font-weight: 800; letter-spacing: -0.03em; }
.gauge-cap { position: absolute; bottom: 20px; font-size: .68rem; color: var(--mut); width: 90px; }
@media (min-width: 640px) { .result-hero { grid-template-columns: 1fr auto; } }

.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin: 1.6rem 0; }
.result-cell { padding: 1rem 1.1rem; border-radius: var(--radius-s); background: rgba(255,255,255,0.03); border: 1px solid var(--line); }
.result-cell i { font-style: normal; display: block; font-size: .76rem; color: var(--mut-2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .2rem; }
.result-cell b { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; }
.result-cell.highlight { background: linear-gradient(150deg, rgba(52,211,153,0.16), rgba(34,211,238,0.05)); border-color: rgba(52,211,153,0.35); }
.result-cell.highlight b { color: var(--emerald); }
@media (min-width: 620px) { .result-grid { grid-template-columns: repeat(4, 1fr); } }
.result-disclaimer { font-size: .86rem; color: var(--mut); background: rgba(255,207,92,0.06); border: 1px solid rgba(255,207,92,0.2); border-radius: 12px; padding: .9rem 1.1rem; }
.result-disclaimer strong { color: var(--sun); }
.result-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; align-items: center; }

/* =============================================================
   13. Opiniones
   ============================================================= */
.reviews { display: grid; gap: 1.2rem; }
.review { padding: 1.6rem; position: relative; transition: transform .5s var(--ease-out), border-color .4s; }
.review:hover { border-color: rgba(52,211,153,0.3); }
.stars { color: var(--sun); letter-spacing: 2px; margin-bottom: .7rem; }
.review blockquote { font-size: 1.05rem; color: var(--ink-2); line-height: 1.55; }
.review figcaption { display: flex; align-items: center; gap: .7rem; margin-top: 1.2rem; }
.review figcaption img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line-2); }
.review figcaption b { display: block; font-size: .95rem; }
.review figcaption small { color: var(--mut); font-size: .82rem; }
.review-badge { position: absolute; top: 1rem; right: 1rem; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--mut-2); border: 1px solid var(--line); border-radius: 999px; padding: .18rem .5rem; }
@media (min-width: 820px) { .reviews { grid-template-columns: repeat(3, 1fr); } }

/* =============================================================
   14. FAQ
   ============================================================= */
.faq-grid { display: grid; gap: 2rem; }
.faq-head { text-align: left; }
.faq-head .section-title { font-size: clamp(1.7rem, 4vw, 2.6rem); }
.faq-head .section-intro { color: var(--mut); }
.faq-list { display: grid; gap: .7rem; align-content: start; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--panel); overflow: hidden; transition: border-color .3s; }
.faq-item[open] { border-color: rgba(52,211,153,0.3); }
.faq-item summary { list-style: none; cursor: pointer; padding: 1.1rem 1.3rem; font-weight: 700; font-size: 1.02rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--emerald); transition: transform .3s; flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 1.3rem 1.2rem; color: var(--mut); font-size: .96rem; }
@media (min-width: 940px) { .faq-grid { grid-template-columns: .85fr 1.15fr; align-items: start; } .faq-head { position: sticky; top: 100px; } }

/* =============================================================
   15. Contacto
   ============================================================= */
.contacto { overflow: clip; }
.contacto-halo { position: absolute; inset: auto -10% -30% -10%; height: 60%; background: radial-gradient(45% 60% at 50% 100%, rgba(34,211,238,0.16), transparent 70%); filter: blur(80px); z-index: -1; }
.contacto-grid { display: grid; gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
.contacto-copy .lead { margin-top: 1rem; }
.contacto-list { list-style: none; margin-top: 1.6rem; display: grid; gap: .7rem; }
.contacto-list li { display: flex; align-items: center; gap: .7rem; color: var(--ink-2); }
.tick { width: 24px; height: 24px; border-radius: 50%; background: rgba(52,211,153,0.15); color: var(--emerald); display: grid; place-items: center; font-weight: 800; font-size: .85rem; flex: none; }
.contacto-form { padding: clamp(1.4rem, 4vw, 2.2rem); box-shadow: var(--shadow); }
.form-msg { margin-top: .9rem; padding: .8rem 1rem; border-radius: 12px; font-size: .9rem; }
.form-msg.ok { background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.4); color: #c9ffe9; }
.form-msg.err { background: rgba(255,180,80,0.1); border: 1px solid rgba(255,180,80,0.35); color: #ffe4bd; }
@media (min-width: 900px) { .contacto-grid { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   16. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--line); padding-block: 3.5rem 2rem; background: rgba(5,16,14,0.5); }
.footer-grid { display: grid; gap: 2rem; }
.footer-brand p { color: var(--mut); font-size: .92rem; margin-top: .8rem; max-width: 32ch; }
.footer-col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--mut-2); margin-bottom: .9rem; }
.footer-col a, .footer-link { display: block; color: var(--ink-2); font-size: .93rem; padding: .25rem 0; text-align: left; }
.footer-col a:hover, .footer-link:hover { color: var(--emerald); }
.footer-legal { color: var(--mut); font-size: .84rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; margin-top: 2.5rem; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--mut-2); font-size: .82rem; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.4fr; } }

/* =============================================================
   17. Chat (Sol)
   ============================================================= */
.chat-fab { position: fixed; right: 20px; bottom: 20px; z-index: 950; display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.1rem .7rem .8rem; border-radius: 999px; background: var(--grad); color: #04140f; font-weight: 800; box-shadow: 0 16px 40px -12px rgba(52,211,153,0.6); transition: transform .4s var(--ease-out); }
.chat-fab:hover { transform: translateY(-3px) scale(1.03); }
.chat-fab-ico { display: grid; place-items: center; animation: spin 8s linear infinite; }
.chat-fab.is-hidden { opacity: 0; pointer-events: none; transform: scale(.6); }

.chat { position: fixed; right: 16px; bottom: 16px; z-index: 960; width: min(380px, calc(100vw - 32px)); height: min(560px, calc(100vh - 32px)); display: flex; flex-direction: column; border-radius: 22px; overflow: hidden; background: rgba(7,20,18,0.92); border: 1px solid var(--line-2); backdrop-filter: blur(22px) saturate(160%); box-shadow: var(--shadow); transform-origin: bottom right; animation: chatIn .4s var(--ease-out); }
@keyframes chatIn { from { opacity: 0; transform: translateY(16px) scale(.96);} to { opacity: 1; transform: none; } }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: rgba(52,211,153,0.06); }
.chat-head-id { display: flex; align-items: center; gap: .6rem; }
.chat-avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); color: #04140f; flex: none; }
.chat-head-id b { font-size: .98rem; }
.chat-head-id small { display: flex; align-items: center; gap: .35rem; font-size: .74rem; color: var(--mut); }
.chat-close { width: 30px; height: 30px; border-radius: 8px; color: var(--mut); font-size: 1rem; }
.chat-close:hover { background: rgba(255,255,255,0.06); color: var(--ink); }
.chat-log { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .7rem; }
.msg-row { display: flex; }
.msg-row.user { justify-content: flex-end; }
.bubble { max-width: 84%; padding: .7rem .9rem; border-radius: 16px; font-size: .92rem; line-height: 1.5; }
.msg-row.bot .bubble { background: rgba(255,255,255,0.06); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.msg-row.user .bubble { background: var(--grad); color: #04140f; font-weight: 500; border-bottom-right-radius: 5px; }
.bubble.typing { display: inline-flex; gap: 4px; }
.bubble.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--mut); animation: typedot 1.2s infinite; }
.bubble.typing i:nth-child(2) { animation-delay: .2s; }
.bubble.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes typedot { 0%,60%,100% { opacity: .3; transform: translateY(0);} 30% { opacity: 1; transform: translateY(-3px);} }
.chat-suggest { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0 1rem .6rem; }
.chat-chip { font-size: .78rem; padding: .4rem .7rem; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); transition: background .3s, border-color .3s; }
.chat-chip:hover { background: rgba(52,211,153,0.12); border-color: var(--emerald); }
.chat-input { display: flex; gap: .5rem; padding: .8rem; border-top: 1px solid var(--line); }
.chat-input input { flex: 1; padding: .7rem .9rem; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(5,16,14,0.6); }
.chat-input input:focus { outline: none; border-color: var(--emerald); }
.chat-input button { width: 42px; height: 42px; border-radius: 50%; background: var(--grad); color: #04140f; display: grid; place-items: center; flex: none; transition: transform .3s; }
.chat-input button:hover { transform: scale(1.06); }

/* =============================================================
   18. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mesh, .splash-sun, .chat-fab-ico, .marquee-track { animation: none !important; }
  .hero-scroll span { animation: none; }
}