/* =====================================================================
   MacBec Soluciones en Energía — v2
   Paleta: negro/gris + azul (alineada a la app) con acentos ámbar (sol)
   UI moderna con superficies glass, animaciones hover, responsive.
   ===================================================================== */

:root {
  --bg: #05070c;
  --bg-2: #0a0f18;
  --surface: #0e1420;
  --surface-2: #121a28;
  --ink: #eef3fb;
  --ink-soft: #b7c2d4;
  --ink-mute: #8592a6;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --blue: #2f7bff;
  --blue-600: #1f63e6;
  --blue-400: #5f9bff;
  --cyan: #37c8e6;
  --amber: #ffb23e;

  --glass-bg: rgba(20, 28, 44, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-hi: rgba(255, 255, 255, 0.06);

  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-blue: 0 18px 50px rgba(47, 123, 255, 0.28);

  --container: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; }

.container { width: min(var(--container), 100% - 2.4rem); margin-inline: auto; }
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 10px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- Glass surfaces ---------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow), inset 0 1px 0 var(--glass-hi);
}
.glass-soft {
  background: rgba(20, 28, 44, 0.4);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
}

/* ---------- Buttons ---------- */
.btn {
  --btn-pad: 0.85rem 1.5rem;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: var(--btn-pad); border-radius: 999px; border: 1px solid transparent;
  font-weight: 650; font-size: 0.98rem; letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease);
  will-change: transform;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-600));
  color: #fff; box-shadow: var(--shadow-blue);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 24px 60px rgba(47, 123, 255, 0.42); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--blue-400); background: rgba(47, 123, 255, 0.1); }
.btn-light { background: #fff; color: #0b1220; }
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35); }
.btn-block, .btn-block.btn { width: 100%; }
.btn:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 120;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-light {
  background: rgba(6, 9, 15, 0.9);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.9rem 0; }
.brand-logo { height: 42px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 1.6rem; }
.nav-menu a { color: var(--ink-soft); font-weight: 550; font-size: 0.96rem; position: relative; transition: color 0.2s var(--ease); }
.nav-menu a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--blue); border-radius: 2px; transition: width 0.25s var(--ease);
}
.nav-menu a:not(.nav-cta):hover { color: var(--ink); }
.nav-menu a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--blue-600)); color: #fff !important;
  padding: 0.6rem 1.2rem; border-radius: 999px; box-shadow: var(--shadow-blue);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 40px;
  align-items: center; justify-content: center; background: transparent; border: 0;
  position: relative; z-index: 130;
}
.nav-backdrop {
  position: fixed; inset: 0; z-index: 110; background: rgba(2, 4, 8, 0.6);
  opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease);
}
.nav-toggle span:not(.sr-only) { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Eyebrow / headings ---------- */
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.76rem; font-weight: 700;
  color: var(--blue-400); margin-bottom: 0.8rem;
}
.eyebrow.dark { color: var(--blue-400); }
.section-heading { max-width: 640px; margin: 0 auto clamp(2rem, 4vw, 3rem); text-align: center; }
.section-heading h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
.section-sub, .section-text { color: var(--ink-soft); margin-top: 0.9rem; font-size: 1.03rem; }
.grad { background: linear-gradient(120deg, var(--blue-400), var(--amber)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- HERO ---------- */
.hero { position: relative; padding: clamp(7rem, 14vw, 10rem) 0 clamp(4rem, 8vw, 7rem); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.energy-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.9; }
.energy-canvas.webgl-unavailable { display: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.hero-glow-one { width: 520px; height: 520px; background: radial-gradient(circle, rgba(47,123,255,0.55), transparent 70%); top: -120px; right: -80px; }
.hero-glow-two { width: 460px; height: 460px; background: radial-gradient(circle, rgba(255,178,62,0.28), transparent 70%); bottom: -160px; left: -120px; }
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px; mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 78%); opacity: 0.5;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.hero-copy h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); }
.hero-text { color: var(--ink-soft); margin-top: 1.2rem; font-size: 1.12rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 1.8rem; margin-top: 2.4rem; }
.hero-trust div { display: flex; flex-direction: column; }
.hero-trust strong { color: var(--blue-400); font-size: 1.1rem; }
.hero-trust span { color: var(--ink-mute); font-size: 0.86rem; }

.hero-card { position: relative; border-radius: var(--radius-lg); padding: 1.8rem; overflow: hidden; }
.hero-card h2 { font-size: 1.32rem; margin-top: 0.8rem; }
.hero-card p { color: var(--ink-soft); margin-top: 0.7rem; font-size: 0.98rem; }
.card-orbit { position: absolute; width: 240px; height: 240px; border: 1px solid var(--line-strong); border-radius: 50%; top: -90px; right: -70px; }
.card-orbit::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 20px var(--amber); top: 40px; left: -6px; animation: orbit 9s linear infinite; }
@keyframes orbit { from { transform: rotate(0) translateX(120px) rotate(0); } to { transform: rotate(360deg) translateX(120px) rotate(-360deg); } }
.status-pill { display: inline-block; font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); background: rgba(255,178,62,0.12); border: 1px solid rgba(255,178,62,0.3); padding: 0.35rem 0.8rem; border-radius: 999px; }
.meter { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.1); margin: 1.4rem 0; overflow: hidden; }
.meter span { display: block; height: 100%; width: var(--value); background: linear-gradient(90deg, var(--blue), var(--cyan)); border-radius: 999px; }
.card-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.card-stats div { background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.7rem 0.9rem; }
.card-stats span { display: block; color: var(--ink-mute); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; }
.card-stats strong { font-size: 0.98rem; }
.card-link { display: inline-block; margin-top: 1.2rem; color: var(--blue-400); font-weight: 600; transition: gap 0.2s; }
.card-link:hover { color: var(--ink); }

/* ---------- SERVICES ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.service-card {
  border-radius: var(--radius); padding: 1.8rem 1.6rem; position: relative; overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.service-card::before {
  content: ""; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(47,123,255,0.14), transparent 60%);
  opacity: 0; transition: opacity 0.35s var(--ease);
}
.service-card:hover, .service-card:focus-visible { transform: translateY(-8px); border-color: var(--blue-400); box-shadow: var(--shadow-blue); outline: none; }
.service-card:hover::before, .service-card:focus-visible::before { opacity: 1; }
.service-card .icon { font-size: 1.9rem; display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, rgba(47,123,255,0.18), rgba(55,200,230,0.12)); border: 1px solid var(--line-strong); transition: transform 0.35s var(--ease); }
.service-card:hover .icon { transform: scale(1.08) rotate(-4deg); }
.service-card h3 { font-size: 1.16rem; margin: 1.1rem 0 0.5rem; }
.service-card p { color: var(--ink-soft); font-size: 0.96rem; }

/* ---------- GALLERY ---------- */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-bottom: 2rem; }
.gallery-filter {
  padding: 0.55rem 1.1rem; border-radius: 999px; border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.03); color: var(--ink-soft); font-size: 0.9rem; font-weight: 550;
  transition: all 0.25s var(--ease);
}
.gallery-filter:hover { border-color: var(--blue-400); color: var(--ink); }
.gallery-filter.is-active { background: linear-gradient(135deg, var(--blue), var(--blue-600)); color: #fff; border-color: transparent; box-shadow: var(--shadow-blue); }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3;
  border: 1px solid var(--line); cursor: pointer; background: var(--surface);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-400); }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .gi-tag {
  position: absolute; left: 12px; bottom: 12px; z-index: 2; font-size: 0.78rem; font-weight: 600;
  color: #fff; background: rgba(6,9,15,0.6); border: 1px solid var(--line-strong); padding: 0.3rem 0.7rem; border-radius: 999px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.gallery-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(6,9,15,0.5)); opacity: 0; transition: opacity 0.35s var(--ease); }
.gallery-item:hover::after { opacity: 1; }
/* placeholder cards */
.gallery-item.placeholder { cursor: default; display: grid; place-items: center; text-align: center; padding: 1.2rem; background: repeating-linear-gradient(45deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02) 12px, transparent 12px, transparent 24px), var(--surface); }
.gallery-item.placeholder:hover { transform: none; border-color: var(--line); box-shadow: none; }
.gallery-item.placeholder .ph-inner span { display: block; }
.gallery-item.placeholder .ph-emoji { font-size: 2rem; }
.gallery-item.placeholder .ph-title { font-weight: 650; margin-top: 0.5rem; color: var(--ink); }
.gallery-item.placeholder .ph-note { color: var(--ink-mute); font-size: 0.84rem; margin-top: 0.2rem; }
.gallery-empty { text-align: center; color: var(--ink-mute); grid-column: 1 / -1; padding: 2rem; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(3,5,9,0.92); display: grid; place-items: center; padding: 4vw; }
.lightbox[hidden] { display: none; }
.lightbox-img { max-width: 92vw; max-height: 86vh; border-radius: 12px; box-shadow: var(--shadow); }
.lightbox-close { position: absolute; top: 18px; right: 22px; width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,0.1); border: 1px solid var(--line-strong); color: #fff; font-size: 1.7rem; line-height: 1; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,0.08); border: 1px solid var(--line-strong); color: #fff; font-size: 2rem; line-height: 1; }
.lightbox-prev { left: 18px; } .lightbox-next { right: 18px; }
.lightbox-nav:hover, .lightbox-close:hover { background: var(--blue); }

/* ---------- CALCULATOR ---------- */
.calc-shell { border-radius: var(--radius-lg); padding: clamp(1.4rem, 3vw, 2.4rem); }
.calc-help { display: grid; grid-template-columns: 1fr auto; gap: 1.2rem; align-items: center; padding: 1rem 1.2rem; border-radius: var(--radius); background: rgba(47,123,255,0.06); border: 1px solid rgba(47,123,255,0.2); margin-bottom: 1.6rem; }
.calc-help-text { color: var(--ink-soft); font-size: 0.95rem; }
.calc-help-text strong { color: var(--ink); display: block; margin-bottom: 0.2rem; }
.calc-help-text em { color: var(--blue-400); font-style: normal; font-weight: 600; }
.calc-receipt { position: relative; min-width: 150px; background: #fff; color: #10233f; border-radius: 10px; padding: 0.6rem 0.7rem; font-size: 0.8rem; box-shadow: var(--shadow); }
.calc-receipt .rc-row { display: flex; justify-content: space-between; gap: 0.6rem; padding: 0.15rem 0; }
.calc-receipt .rc-head { font-weight: 700; border-bottom: 1px solid #d5deea; }
.calc-receipt .rc-row b { color: #0b7a3b; }
.calc-receipt .rc-tag { position: absolute; right: -8px; bottom: -14px; background: var(--amber); color: #3a2600; font-weight: 700; font-size: 0.68rem; padding: 0.15rem 0.5rem; border-radius: 6px; transform: rotate(-3deg); }

.calc-consumos { border: 0; padding: 0; }
.calc-consumos legend { font-weight: 650; margin-bottom: 0.8rem; color: var(--ink); }
.consumo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.7rem; }
.consumo-grid label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.8rem; color: var(--ink-mute); font-weight: 600; text-align: center; }
.consumo-grid input {
  width: 100%; padding: 0.7rem 0.4rem; text-align: center; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px solid var(--line-strong); color: var(--ink); font-size: 1.05rem; font-weight: 600;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  -moz-appearance: textfield;
}
.consumo-grid input::-webkit-outer-spin-button, .consumo-grid input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.consumo-grid input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,123,255,0.25); }
.calc-hint { color: var(--ink-mute); font-size: 0.85rem; margin-top: 0.8rem; }
.calc-actions { display: flex; gap: 0.8rem; margin-top: 1.6rem; flex-wrap: wrap; }

.calc-result { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.8rem; animation: fadein 0.5s var(--ease); }
@keyframes fadein { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.result-top { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.4rem; }
.result-metric { background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; }
.result-metric span { display: block; color: var(--ink-mute); font-size: 0.82rem; }
.result-metric strong { font-size: 1.9rem; color: var(--ink); }
.result-metric small { color: var(--ink-soft); margin-left: 0.3rem; }

.result-reco { position: relative; border-radius: var(--radius); padding: 1.5rem; background: linear-gradient(135deg, rgba(47,123,255,0.16), rgba(55,200,230,0.08)); border: 1px solid rgba(47,123,255,0.35); }
.reco-badge { position: absolute; top: -12px; left: 1.5rem; background: linear-gradient(135deg, var(--blue), var(--blue-600)); color: #fff; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 0.3rem 0.8rem; border-radius: 999px; box-shadow: var(--shadow-blue); }
.result-reco h3 { margin: 0.5rem 0 1.1rem; font-size: 1.3rem; }
.reco-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.reco-metrics div { text-align: center; }
.reco-metrics strong { display: block; font-size: 1.7rem; color: var(--blue-400); }
.reco-metrics span { color: var(--ink-soft); font-size: 0.82rem; }

.reco-alts { margin-top: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.reco-alts summary { padding: 0.9rem 1.2rem; cursor: pointer; font-weight: 600; color: var(--ink-soft); list-style: none; user-select: none; }
.reco-alts summary::-webkit-details-marker { display: none; }
.reco-alts summary::before { content: "▸ "; color: var(--blue-400); }
.reco-alts[open] summary::before { content: "▾ "; }
.alts-table { padding: 0 1.2rem 1rem; }
.alts-row { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 0.6rem; padding: 0.6rem 0; border-top: 1px solid var(--line); font-size: 0.9rem; }
.alts-row.head { color: var(--ink-mute); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; border-top: 0; }
.alts-row strong { color: var(--ink); }

.calc-agenda { margin-top: 1.6rem; padding: 1.5rem; }
.calc-agenda h4 { font-size: 1.15rem; }
.calc-agenda h4 span { color: var(--amber); }
.calc-agenda > p { color: var(--ink-soft); font-size: 0.94rem; margin: 0.4rem 0 1.1rem; }
.agenda-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-bottom: 1rem; }
.agenda-grid label, .contact-form label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; color: var(--ink-soft); font-weight: 600; }
.agenda-grid input, .agenda-grid select { padding: 0.7rem 0.8rem; border-radius: var(--radius-sm); background: rgba(255,255,255,0.04); border: 1px solid var(--line-strong); color: var(--ink); font-size: 0.98rem; }
.agenda-grid input:focus, .agenda-grid select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,123,255,0.25); }
.calc-disclaimer { color: var(--ink-mute); font-size: 0.82rem; margin-top: 1.2rem; line-height: 1.55; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

/* ---------- WHY / FEATURES ---------- */
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.feature-list { display: grid; gap: 0.9rem; }
.feature-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.1rem 1.3rem; border-radius: var(--radius); transition: transform 0.3s var(--ease), border-color 0.3s var(--ease); }
.feature-item:hover { transform: translateX(6px); border-color: var(--blue-400); }
.feature-item span { color: var(--blue-400); font-weight: 800; font-size: 1.1rem; min-width: 28px; }
.feature-item p { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- PROCESS / TIMELINE ---------- */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.timeline-item { border-radius: var(--radius); padding: 1.7rem; position: relative; transition: transform 0.3s var(--ease), border-color 0.3s var(--ease); }
.timeline-item:hover { transform: translateY(-6px); border-color: var(--blue-400); }
.timeline-item span { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, var(--blue), var(--blue-600)); color: #fff; font-weight: 700; box-shadow: var(--shadow-blue); }
.timeline-item h3 { margin: 1rem 0 0.5rem; font-size: 1.12rem; }
.timeline-item p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- FINANCE ---------- */
.finance-band { padding: clamp(2rem, 5vw, 4rem) 0; }
.finance-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-radius: var(--radius-lg); padding: clamp(1.6rem, 3vw, 2.6rem); flex-wrap: wrap; }
.finance-card h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 0.4rem 0 0.6rem; }
.finance-card p { color: var(--ink-soft); max-width: 40rem; }
.finance-card .eyebrow { color: var(--amber); }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-copy h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin: 0.4rem 0 0.8rem; }
.contact-copy > p { color: var(--ink-soft); }
.contact-lines { display: grid; gap: 0.5rem; margin-top: 1.4rem; }
.contact-lines a, .contact-lines span { color: var(--ink-soft); }
.contact-lines a:hover { color: var(--blue-400); }
.contact-form { border-radius: var(--radius-lg); padding: 1.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label.full, .contact-form .form-button, .contact-form .form-note { grid-column: 1 / -1; }
.contact-form input, .contact-form select, .contact-form textarea {
  padding: 0.75rem 0.9rem; border-radius: var(--radius-sm); background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong); color: var(--ink); font-size: 0.98rem; font-family: inherit; width: 100%;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,123,255,0.25); }
.form-note { color: var(--ink-mute); font-size: 0.82rem; }

/* ---------- FOOTER ---------- */
.footer { background: #04060a; border-top: 1px solid var(--line); padding: 3rem 0 1.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-grid img { height: 46px; width: auto; margin-bottom: 0.8rem; }
.footer-grid p { color: var(--ink-mute); font-size: 0.92rem; }
.footer-grid strong { display: block; margin-bottom: 0.7rem; }
.footer-grid a { display: block; color: var(--ink-soft); margin-bottom: 0.4rem; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--blue-400); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1.4rem; color: var(--ink-mute); font-size: 0.86rem; flex-wrap: wrap; gap: 0.6rem; }
.footer-bottom a:hover { color: var(--blue-400); }

/* ---------- Floating WhatsApp ---------- */
.floating-whatsapp {
  position: fixed; right: 20px; bottom: 20px; z-index: 130; display: inline-flex; align-items: center; gap: 0.5rem;
  background: #25d366; color: #fff; padding: 0.8rem 1.1rem; border-radius: 999px; font-weight: 650;
  box-shadow: 0 14px 34px rgba(37,211,102,0.42); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.floating-whatsapp:hover { transform: translateY(-4px) scale(1.04); }
.floating-whatsapp svg { flex-shrink: 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 460px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .split-grid, .contact-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .site-header:not(.is-light) { background: rgba(5, 7, 12, 0.55); }
  .nav-toggle { display: flex; }
  .nav-toggle span:not(.sr-only) { background: var(--ink); }
  .nav-menu {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 82vw); flex-direction: column; align-items: flex-start;
    gap: 1.2rem; padding: 6rem 1.8rem 2rem; background: #0b0f18; z-index: 125;
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-left: 1px solid var(--line-strong);
    transform: translateX(100%); transition: transform 0.35s var(--ease); box-shadow: -20px 0 60px rgba(0,0,0,0.6);
  }
  .nav-menu.is-open { transform: translateX(0); }
  .nav-menu a { color: var(--ink); font-size: 1.1rem; font-weight: 600; }
  .nav-menu a:not(.nav-cta):hover, .nav-menu a:not(.nav-cta):focus-visible { color: var(--blue-400); }
  .nav-cta { width: 100%; }
  body.nav-open .nav-backdrop { opacity: 1; pointer-events: auto; }

  .result-top, .reco-metrics { grid-template-columns: 1fr 1fr; }
  .agenda-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .finance-card { flex-direction: column; align-items: flex-start; }
  .calc-help { grid-template-columns: 1fr; }
  .calc-receipt { justify-self: start; }
  .alts-row { grid-template-columns: 1.4fr 1fr 1fr; }
  .alts-row .col-inv { display: none; }
}

@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .consumo-grid { grid-template-columns: repeat(3, 1fr); }
  .reco-metrics { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .floating-whatsapp span { display: none; }
  .floating-whatsapp { padding: 0.85rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}