/* =============================================================
   RYE SOLAR — Energía infinita
   Archetype base: 10 (Spline Embed Premium), reskinned sin Spline —
   blanco verdoso + verdes del logo. Firma: mesh gradient
   animado, glow tras el visual del hero, contadores, tilt en tarjetas.
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
@property --mesh-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@property --mesh-x     { syntax: "<percentage>"; inherits: false; initial-value: 30%; }
@property --mesh-y     { syntax: "<percentage>"; inherits: false; initial-value: 30%; }

:root {
  /* Tema claro — colores del logo RYE SOLAR (verde profundo, verde hoja, amarillo del rayo) */
  --bg:        #f6faf3;
  --bg-2:      #ffffff;
  --bg-3:      #ecf5e8;
  --bg-4:      #e0eedb;
  --card-a:    #ffffff;
  --card-b:    #f3f9f0;
  --tint:      5,58,31;
  --ink:       #053a1f;
  --ink-soft:  rgba(5,58,31,.82);
  --ink-dim:   rgba(5,58,31,.68);
  --ink-mute:  rgba(5,58,31,.56);
  --accent:    #1f8a35;   /* verde hoja del logo */
  --accent-2:  #0f7a2e;   /* verde profundo (texto de acento) */
  --gold:      #f2a91d;   /* amarillo del rayo — solo detalles mínimos */
  --green:     #1f8a35;
  --on-accent: #ffffff;
  --line:      rgba(5,58,31,.12);
  --line-strong: rgba(5,58,31,.22);

  --grad-solar: linear-gradient(120deg, #0d6b2b 0%, #1f8a35 52%, #4faa3a 100%);
  --grad-text:  linear-gradient(120deg, #0d6b2b 0%, #1f8a35 55%, #4faa3a 100%);

  --shadow-card: 0 24px 50px -26px rgba(5,58,31,.32), 0 8px 22px -14px rgba(5,58,31,.18);
  --shadow-btn:  0 14px 30px -12px rgba(15,122,46,.55);
  --shadow-mint: 0 14px 30px -12px rgba(31,138,53,.45);

  --display: "Space Grotesk", "Inter", -apple-system, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", monospace;

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 30px;
  --radius-full: 999px;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-h: 82px;
  --container: 1240px;
}

/* Secciones oscuras (fotos de fondo, footer, banner) */
.cta-banner, .footer, .lightbox, .assistant-header {
  --bg:        #031208;
  --bg-2:      #06190c;
  --bg-3:      #0c2915;
  --bg-4:      #123720;
  --card-a:    #0c2915;
  --card-b:    #06190c;
  --tint:      238,247,238;
  --ink:       #f1f8f0;
  --ink-soft:  rgba(var(--tint),.80);
  --ink-dim:   rgba(var(--tint),.60);
  --ink-mute:  rgba(var(--tint),.46);
  --accent-2:  #7be0a3;
  --green:     #4fd98b;
  --line:      rgba(var(--tint),.12);
  --line-strong: rgba(var(--tint),.24);
  --grad-text: linear-gradient(120deg, #d3f5e0 0%, #7be0a3 55%, #a8e063 100%);
  --shadow-card: 0 30px 60px -24px rgba(1,10,4,.6), 0 10px 26px -16px rgba(1,10,4,.45);
  color: var(--ink);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
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; }
ul { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 {
  font-family: var(--display);
  text-wrap: balance;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 600;
}
::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

input, textarea {
  font: inherit;
  color: inherit;
  background: transparent;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--ink); color: var(--bg);
  border-radius: 8px; font-weight: 600; font-size: .9rem;
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 720px) { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

.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;
}

.kicker {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1.1rem;
}
.kicker::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(31,138,53,.16);
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8rem);
}
.section-head {
  max-width: 640px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head.is-center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
.section-head p { color: var(--ink-dim); font-size: 1.05rem; margin-top: .9rem; max-width: 52ch; }
.section-head.is-center p { margin-inline: auto; }

.section-halo {
  position: absolute; z-index: -1; pointer-events: none;
  filter: blur(110px);
  opacity: .55;
}

/* =============================================================
   4. Typography
   ============================================================= */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.eyebrow-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem .9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-full);
  font-size: .82rem; color: var(--ink-soft);
  background: rgba(var(--tint),.04);
}
.eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 4px rgba(79,217,139,.18);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; } 50% { opacity: .35; }
}

/* =============================================================
   5. Components
   ============================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: 1rem 1.7rem;
  border-radius: var(--radius-full);
  font-weight: 600; font-size: .95rem;
  transition: transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft), background .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-solar);
  color: var(--on-accent);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 24px 46px -14px rgba(47,179,107,.6); }
.btn-primary:active { transform: translateY(-1px); transition-duration: .12s; }
.btn-whatsapp { background: linear-gradient(135deg, #25D366, #1ebe5d); color: #04150c; box-shadow: 0 16px 34px -12px rgba(37,211,102,.5); }
.btn-whatsapp:hover { box-shadow: 0 24px 46px -14px rgba(37,211,102,.6); }
.btn-ghost {
  background: rgba(var(--tint),.05);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  backdrop-filter: blur(6px);
}
@supports (backdrop-filter: blur(6px)) { .btn-ghost { background: rgba(var(--tint),.04); } }
.btn-ghost:hover { transform: translateY(-3px); background: rgba(var(--tint),.09); border-color: rgba(var(--tint),.4); }
.btn-block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.has-magnetic { display: inline-flex; position: relative; isolation: isolate; }
.magnetic-inner {
  display: inline-flex; align-items: center; justify-content: center; gap: inherit;
  will-change: transform;
  transition: transform .8s var(--ease-soft);
}

/* --- Nav --- */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center;
  color: var(--ink);
  transition: background-color .4s var(--ease-out), backdrop-filter .4s var(--ease-out), border-color .4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px -22px rgba(5,58,31,.35);
}
.nav.on-dark:not(.is-scrolled):not(:has(.nav-toggle.is-open)) {
  --ink: #f1f8f0; --ink-soft: rgba(241,248,240,.82); --ink-mute: rgba(241,248,240,.62);
  --line-strong: rgba(241,248,240,.3); --accent-2: #7be0a3;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav-logo { display: flex; align-items: center; gap: .6rem; font-family: var(--display); font-weight: 700; font-size: 1.08rem; letter-spacing: -.01em; }
.nav-logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: #fbfef9;
  box-shadow: 0 0 0 1px rgba(5,58,31,.12), 0 6px 16px -8px rgba(5,58,31,.4);
  display: grid; place-items: center; flex-shrink: 0; overflow: hidden;
}
.nav-logo-mark img { width: 100%; height: 100%; object-fit: cover; }
.nav-logo-sub { display: block; font-family: var(--sans); font-weight: 400; font-size: .68rem; color: var(--ink-mute); letter-spacing: .02em; }

.nav-links { display: none; align-items: center; gap: 2.1rem; }
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-link { position: relative; padding: .3rem 0; font-size: .93rem; color: var(--ink-soft); }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent-2);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-soft);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-cta { display: none; }
@media (min-width: 720px) { .nav-cta { display: inline-flex; padding: .75rem 1.35rem; font-size: .88rem; } }

.nav-toggle {
  display: grid; place-items: center; width: 42px; height: 42px;
  border: 1px solid var(--line-strong); border-radius: 10px;
}
@media (min-width: 960px) { .nav-toggle { display: none; } }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--ink);
  transition: transform .35s var(--ease-soft), opacity .35s var(--ease-soft);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span::after { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 190;
  background: rgba(246,250,243,.98);
  backdrop-filter: blur(20px);
  color: var(--ink);
  display: grid; place-items: center;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-soft);
}
.nav-mobile[data-open="true"] { clip-path: inset(0); }
.nav-mobile-list { display: flex; flex-direction: column; align-items: center; gap: 2rem; text-align: center; }
.nav-mobile-list a { font-family: var(--display); font-size: 1.8rem; font-weight: 600; }

/* --- Cards --- */
.card {
  background: linear-gradient(180deg, var(--card-a), var(--card-b));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}

/* --- Photo cards --- */
.card img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 4rem;
  overflow: clip;
  isolation: isolate;
}
.hero-mesh {
  position: absolute; inset: -15%; z-index: -2;
  background:
    radial-gradient(46% 38% at var(--mesh-x) var(--mesh-y), rgba(47,179,107,.4), transparent 62%),
    radial-gradient(38% 34% at calc(100% - var(--mesh-x)) calc(100% - var(--mesh-y)), rgba(94,224,154,.22), transparent 60%),
    conic-gradient(from var(--mesh-angle), rgba(111,220,160,.16), rgba(94,224,154,.08), rgba(47,179,107,.18), rgba(111,220,160,.16));
  filter: blur(90px) saturate(130%);
  animation: meshShift 26s linear infinite;
  mix-blend-mode: screen;
}
@keyframes meshShift {
  0%   { --mesh-angle: 0deg;   --mesh-x: 24%; --mesh-y: 30%; }
  50%  { --mesh-angle: 180deg; --mesh-x: 66%; --mesh-y: 46%; }
  100% { --mesh-angle: 360deg; --mesh-x: 24%; --mesh-y: 30%; }
}
.hero-grain {
  position: absolute; inset: 0; z-index: -1; opacity: .05; mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}

.hero-content { position: relative; z-index: 1; max-width: 640px; }

.hero-eyebrow { margin-bottom: 1.4rem; }
.hero-title {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  max-width: 15ch;
}
.hero-sub {
  margin-top: 1.4rem;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, auto);
  gap: 2rem 2.6rem;
  margin-top: 3.4rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
  max-width: 460px;
}
.stat {
  cursor: default;
  transition: transform .45s var(--ease-soft);
}
.stat:hover { transform: translateY(-5px); }
.hero-stat-num {
  font-family: var(--mono); font-size: clamp(1.5rem, 2.4vw, 1.9rem); font-weight: 500;
  color: var(--ink);
  display: block;
  transition: color .35s var(--ease-out), text-shadow .35s var(--ease-out);
}
.hero-stat-num .unit { color: var(--accent); transition: color .35s var(--ease-out); }
.stat:hover .hero-stat-num {
  color: var(--accent-2);
  text-shadow: 0 0 26px rgba(111,220,160,.55);
}
.stat:hover .hero-stat-num .unit { color: var(--accent); }
.hero-stat-label { font-size: .8rem; color: var(--ink-dim); margin-top: .3rem; }

.hero-photo-bg { justify-content: flex-start; text-align: left; }
.hero-bg { position: absolute; inset: -8% -3%; z-index: -3; overflow: hidden; }
.hero-bg-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 42%;
  filter: saturate(1.35) contrast(1.1);
  animation: heroKenBurns 20s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroKenBurns {
  0%   { transform: scale(1.04) translate(0, 0) rotate(0deg); }
  50%  { transform: scale(1.16) translate(-2.6%, -1.6%) rotate(.5deg); }
  100% { transform: scale(1.09) translate(1.8%, .6%) rotate(-.4deg); }
}
.hero-glow {
  position: absolute; inset: -8% -3%; z-index: -2; pointer-events: none;
  mix-blend-mode: screen;
  background: radial-gradient(32% 26% at 20% 56%, rgba(120,230,170,.65), transparent 62%);
  animation: heroGlowPulse 9s ease-in-out infinite;
}
@keyframes heroGlowPulse {
  0%, 100% { opacity: .4; transform: scale(1); }
  50%      { opacity: .75; transform: scale(1.12); }
}
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(246,250,243,.62) 0%, rgba(246,250,243,0) 16%),
    linear-gradient(100deg, rgba(246,250,243,.94) 0%, rgba(246,250,243,.86) 30%, rgba(246,250,243,.5) 48%, rgba(246,250,243,0) 66%),
    linear-gradient(to top, rgba(246,250,243,.55) 0%, rgba(246,250,243,0) 14%);
}

.hero-chip {
  position: absolute; right: 1.4rem; bottom: 1.8rem; z-index: 1;
  width: min(230px, 62vw);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(31,138,53,.14);
  animation: chipFloat 7s ease-in-out infinite;
  transition: box-shadow .4s var(--ease-out);
}
.hero-chip:hover { box-shadow: var(--shadow-card), 0 0 0 1px rgba(31,138,53,.35), 0 0 30px rgba(31,138,53,.22); }
@media (max-width: 539px) { .hero-chip { right: 1rem; bottom: 1.2rem; } }
@keyframes chipFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-1.5deg); }
}
.hero-chip-label { font-size: .72rem; color: var(--ink-dim); letter-spacing: .04em; }
.hero-chip-value {
  font-family: var(--mono); font-size: 1.5rem; font-weight: 500; color: var(--green);
  margin-top: .3rem; display: flex; align-items: baseline; gap: .3rem;
  transition: color .35s var(--ease-out), text-shadow .35s var(--ease-out), transform .35s var(--ease-soft);
}
.hero-chip:hover .hero-chip-value {
  color: var(--accent-2);
  text-shadow: 0 0 24px rgba(94,224,154,.5);
  transform: scale(1.06);
  transform-origin: left center;
}
.hero-chip-value svg { width: 15px; height: 15px; }
.hero-chip-sub { font-size: .74rem; color: var(--ink-mute); margin-top: .2rem; }

/* --- Advantages --- */
.advantages { position: relative; }
#servicios { background: var(--bg-3); }
.advantages-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.1rem;
}
@media (min-width: 720px) { .advantages-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .advantages-grid { grid-template-columns: repeat(3, 1fr); } }

.adv-card {
  padding: 2rem 1.8rem;
  overflow: hidden;
  isolation: isolate;
  transition: border-color .4s var(--ease-out), box-shadow .5s var(--ease-soft);
}
.adv-card::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(140% 100% at 50% -10%, rgba(47,179,107,.16), transparent 60%);
  opacity: 0;
  transition: opacity .5s var(--ease-out);
  pointer-events: none;
}
.adv-card:hover {
  border-color: rgba(47,179,107,.45);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(47,179,107,.2), 0 30px 70px -30px rgba(47,179,107,.4);
}
.adv-card:hover::before { opacity: 1; }
.adv-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(47,179,107,.12);
  border: 1px solid rgba(47,179,107,.25);
  color: var(--accent-2);
  margin-bottom: 1.4rem;
  transition: transform .5s var(--ease-bounce), background .4s var(--ease-out), color .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.adv-card:hover .adv-icon {
  background: var(--grad-solar);
  color: var(--on-accent);
  box-shadow: var(--shadow-mint);
  transform: scale(1.12) rotate(-6deg);
}
.adv-icon svg { width: 24px; height: 24px; }
.adv-card h3 { font-size: 1.14rem; margin-bottom: .65rem; transition: color .35s var(--ease-out); }
.adv-card:hover h3 { color: var(--accent-2); }
.adv-card p { color: var(--ink-dim); font-size: .95rem; }

/* --- Carrusel de servicios --- */
.carousel { position: relative; }
.carousel-track {
  display: flex; gap: 1.1rem;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
  padding: 1.5rem .25rem 2rem; margin-block: -1.5rem -2rem;
  scroll-padding-inline: .25rem; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > .adv-card { flex: 0 0 min(84%, 340px); scroll-snap-align: start; }
@media (min-width: 720px) { .carousel-track > .adv-card { flex-basis: calc((100% - 1.1rem) / 2); } }
@media (min-width: 1024px) { .carousel-track > .adv-card { flex-basis: calc((100% - 2.2rem) / 3); } }
.carousel-btn {
  position: absolute; top: 50%; z-index: 3;
  width: 48px; height: 48px; margin-top: -24px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-solar); color: var(--on-accent);
  box-shadow: var(--shadow-btn);
  transition: transform .3s var(--ease-out), opacity .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.carousel-btn svg { width: 22px; height: 22px; }
.carousel-btn:hover:not(:disabled) { transform: scale(1.1); }
.carousel-btn:disabled { opacity: 0; pointer-events: none; }
.carousel-prev { left: -1.4rem; }
.carousel-next { right: -1.4rem; }
@media (max-width: 1360px) { .carousel-prev { left: -.4rem; } .carousel-next { right: -.4rem; } }
@media (max-width: 539px) { .carousel-btn { width: 40px; height: 40px; margin-top: -20px; } }

/* --- Process --- */
.process { position: relative; overflow: hidden; isolation: isolate; }
.process-bg { position: absolute; inset: 0; z-index: -3; overflow: hidden; }
.process-bg-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 30%;
  filter: saturate(1.5) contrast(1.12) brightness(1.02);
  animation: heroKenBurns 24s ease-in-out infinite alternate;
  will-change: transform;
}
.process-glow {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  mix-blend-mode: screen;
  background:
    radial-gradient(36% 32% at 20% 22%, rgba(94,224,154,.6), transparent 62%),
    radial-gradient(30% 28% at 86% 78%, rgba(111,220,160,.4), transparent 65%);
  animation: heroGlowPulse 9s ease-in-out infinite;
}
.process-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(246,250,243,.55) 0%, rgba(246,250,243,0) 16%, rgba(246,250,243,0) 84%, rgba(246,250,243,.6) 100%);
}
.process > .container { position: relative; z-index: 1; }
#como-funciona .section-head {
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(5,58,31,.12);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 2rem 2.2rem;
  max-width: 640px; margin-inline: auto;
}
.process-step {
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(5,58,31,.12);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 1.6rem 1.7rem 1.9rem;
}
.process-steps {
  display: grid; grid-template-columns: 1fr; gap: 2.4rem;
  counter-reset: step;
}
@media (min-width: 720px) { .process-steps { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; } }
.process-step { position: relative; padding-top: .5rem; }
.process-num {
  font-family: var(--mono); font-size: .95rem; color: var(--accent-2);
  display: flex; align-items: center; gap: .8rem; margin-bottom: 1.1rem;
}
.process-num::after {
  content: ""; height: 1px; flex: 1; background: var(--line-strong);
}
@media (min-width: 720px) {
  .process-step:not(:last-child)::before {
    content: "";
    position: absolute; top: .65rem; left: calc(100% - .3rem); width: 1.6rem; height: 1px;
    background: var(--line-strong);
    display: none;
  }
}
.process-step h3 { font-size: 1.15rem; margin-bottom: .6rem; }
.process-step p { color: var(--ink-dim); font-size: .95rem; }


/* --- CTA banner --- */
.cta-banner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--bg-4), var(--bg-3));
  border: 1px solid var(--line-strong);
  overflow: clip;
  isolation: isolate;
  text-align: center;
}
@media (min-width: 960px) {
  .cta-banner { grid-template-columns: 1.15fr .85fr; text-align: left; gap: 3rem; }
}
.cta-banner::before {
  content: ""; position: absolute; inset: -40%; z-index: -1;
  background: radial-gradient(45% 45% at 50% 20%, rgba(47,179,107,.28), transparent 70%);
  filter: blur(60px);
}
.cta-banner h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); max-width: 22ch; margin-inline: auto; }
.cta-banner p { color: var(--ink-dim); margin-top: 1rem; max-width: 44ch; margin-inline: auto; }
@media (min-width: 960px) {
  .cta-banner h2, .cta-banner p { margin-inline: 0; }
}
.cta-banner .hero-actions { justify-content: center; margin-top: 2rem; }
@media (min-width: 960px) { .cta-banner .hero-actions { justify-content: flex-start; } }

.cta-banner-photo {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line-strong);
}
.cta-banner-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }

/* --- FAQ --- */
.faq { position: relative; overflow: hidden; isolation: isolate; }
.faq-bg { position: absolute; inset: 0; z-index: -3; overflow: hidden; }
.faq-bg-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 40%;
  filter: saturate(1.5) contrast(1.12) brightness(1.02);
  animation: heroKenBurns 24s ease-in-out infinite alternate;
  will-change: transform;
}
.faq-glow {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  mix-blend-mode: screen;
  background:
    radial-gradient(34% 30% at 78% 20%, rgba(94,224,154,.55), transparent 62%),
    radial-gradient(28% 26% at 12% 75%, rgba(111,220,160,.35), transparent 65%);
  animation: heroGlowPulse 9s ease-in-out infinite;
}
.faq-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(246,250,243,.55) 0%, rgba(246,250,243,0) 16%, rgba(246,250,243,0) 84%, rgba(246,250,243,.6) 100%);
}
.faq > .container { position: relative; z-index: 1; }
#preguntas-frecuentes .section-head {
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(5,58,31,.12);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 2rem 2.2rem;
  max-width: 640px; margin-inline: auto;
}
.faq-list {
  display: flex; flex-direction: column; gap: 1rem;
  max-width: 780px; margin-inline: auto;
  --card-a: rgba(255,255,255,.96); --card-b: rgba(244,250,241,.96);
  --ink: #053a1f; --ink-dim: rgba(5,58,31,.70); --accent-2: #0f7a2e;
  --line: rgba(5,58,31,.12); --line-strong: rgba(5,58,31,.24);
  --tint: 5,58,31;
}
.faq-item {
  background: linear-gradient(180deg, var(--card-a), var(--card-b));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: border-color .4s var(--ease-out), box-shadow .4s var(--ease-soft);
}
.faq-item[open] {
  border-color: rgba(47,179,107,.4);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(47,179,107,.15);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1.2rem;
  padding: 1.3rem 1.6rem;
  font-family: var(--display); font-weight: 600; font-size: 1.02rem; color: var(--ink);
  transition: color .3s var(--ease-out);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle {
  flex-shrink: 0;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--accent-2);
  transition: transform .4s var(--ease-soft), background .4s var(--ease-out), color .4s var(--ease-out), border-color .4s var(--ease-out);
}
.faq-toggle svg { width: 14px; height: 14px; transition: transform .4s var(--ease-soft); }
.faq-item[open] .faq-toggle {
  background: var(--grad-solar);
  color: var(--on-accent);
  border-color: transparent;
}
.faq-item[open] .faq-toggle svg { transform: rotate(180deg); }
.faq-item:hover summary { color: var(--accent-2); }
.faq-item summary:focus-visible { outline: 2px solid var(--accent-2); outline-offset: -2px; }
.faq-item p {
  padding: 0 1.6rem 1.5rem;
  color: var(--ink-dim);
  font-size: .96rem;
}

/* --- Contact --- */
.contact-grid {
  display: grid; grid-template-columns: 1fr; gap: 3rem;
}
@media (min-width: 960px) { .contact-grid { grid-template-columns: .85fr 1.15fr; gap: 4rem; } }

.contact-info p { color: var(--ink-dim); margin-top: 1rem; max-width: 42ch; }
.contact-list { margin-top: 2.2rem; display: flex; flex-direction: column; gap: 1.3rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(47,179,107,.12); border: 1px solid rgba(47,179,107,.25); color: var(--accent-2);
}
.contact-item-icon svg { width: 19px; height: 19px; }
.contact-item-label { font-size: .78rem; color: var(--ink-mute); }
.contact-item-value { font-size: .98rem; font-weight: 500; margin-top: .15rem; }

.contact-badges { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2.4rem; }
.badge {
  display: flex; align-items: center; gap: .5rem;
  padding: .6rem .95rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--line-strong);
  background: rgba(var(--tint),.03);
  font-size: .8rem; color: var(--ink-soft);
}
.badge svg { width: 15px; height: 15px; color: var(--green); flex-shrink: 0; }

.contact-form-wrap {
  position: relative;
  padding: clamp(1.8rem, 3vw, 2.6rem);
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
@media (min-width: 540px) { .form-row.is-split { grid-template-columns: 1fr 1fr; } }

.field { position: relative; margin-top: 1.1rem; }
.field:first-child, .form-row .field { margin-top: 0; }
.field input, .field textarea {
  width: 100%;
  padding: 1.4rem 1rem .55rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(var(--tint),.03);
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out);
}
.field textarea { min-height: 110px; resize: vertical; padding-top: 1.5rem; }
.field input:focus, .field textarea:focus { border-color: var(--accent-2); background: rgba(var(--tint),.05); outline: none; }
.field label {
  position: absolute; left: 1rem; top: 1rem;
  pointer-events: none; transition: all .25s var(--ease-out);
  color: var(--ink-mute); font-size: .95rem;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: .5rem; font-size: .68rem; letter-spacing: .07em; text-transform: uppercase; color: var(--accent-2);
}

.field-check {
  display: flex; align-items: flex-start; gap: .7rem;
  margin-top: 1.3rem;
  font-size: .82rem; color: var(--ink-dim);
}
.field-check input { width: 17px; height: 17px; margin-top: .15rem; accent-color: var(--accent); flex-shrink: 0; }
.field-check a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 2px; }

.cta-form { transition: opacity .55s var(--ease-out), transform .55s var(--ease-soft); margin-top: 1.6rem; }
.cta-form.is-sent { opacity: 0; transform: translateY(-12px); pointer-events: none; position: absolute; }
.cta-submit { position: relative; margin-top: 1.6rem; }
.cta-form-spinner, .cta-form-check {
  position: absolute; inset: 0; display: grid; place-items: center;
  opacity: 0; pointer-events: none;
}
.cta-form.is-sending .cta-form-label { opacity: 0; }
.cta-form.is-sending .cta-form-spinner { opacity: 1; }
.cta-form-spinner::after {
  content: ""; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.35); border-top-color: var(--on-accent);
  border-radius: 50%; animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.cta-success {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: .8rem;
  padding: 2rem;
  opacity: 0; pointer-events: none;
  transition: opacity .8s var(--ease-out) .2s, transform .9s var(--ease-soft) .2s;
  transform: translateY(10px);
}
.cta-success.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.cta-success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(79,217,139,.14); border: 1px solid rgba(79,217,139,.4);
  display: grid; place-items: center; color: var(--green);
}
.cta-success-icon svg { width: 26px; height: 26px; }
.cta-success h3 { font-size: 1.3rem; }
.cta-success p { color: var(--ink-dim); max-width: 34ch; }

/* --- Footer --- */
.footer { background: linear-gradient(180deg, #073019 0%, #04210f 100%); border-top: 1px solid var(--line); padding-block: 3.5rem 2.2rem; }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 2.6rem;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr .8fr .8fr .9fr; gap: 2rem; } }
.footer-brand p { color: var(--ink-mute); font-size: .88rem; margin-top: 1rem; max-width: 32ch; }
.footer-col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-mute); margin-bottom: 1.1rem; font-family: var(--sans); font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: .75rem; }
.footer-col a { font-size: .92rem; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-social { display: flex; gap: .7rem; margin-top: 1.4rem; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line-strong);
  display: grid; place-items: center; color: var(--ink-soft);
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.footer-social a:hover { border-color: var(--accent-2); color: var(--accent-2); }
.footer-social svg { width: 17px; height: 17px; }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: .82rem; color: var(--ink-mute);
}
.footer-bottom-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* =============================================================
   7. Effects
   ============================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(36px);
  transition: opacity .85s var(--ease-soft), transform .85s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }
[data-reveal-delay="5"] { transition-delay: .4s; }

.has-tilt {
  --rx: 0deg; --ry: 0deg; --lift: 0px;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--lift)) scale(var(--scale, 1));
  transform-style: preserve-3d;
  transition: transform .55s var(--ease-soft);
}
.has-tilt:hover { transition-duration: .15s; }

/* --- Page header (Servicios, Contacto) --- */
.page-header {
  position: relative; overflow: clip; isolation: isolate;
  padding-block: calc(var(--nav-h) + 3.6rem) 3.2rem;
  text-align: center;
  background: linear-gradient(180deg, #e3f1dd 0%, var(--bg) 100%);
}
.page-header .hero-mesh { mix-blend-mode: normal; opacity: .55; }
.page-header h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); max-width: 22ch; margin-inline: auto; }
.page-header p { color: var(--ink-dim); max-width: 56ch; margin: 1.1rem auto 0; font-size: 1.05rem; }
.page-header .kicker { justify-content: center; }

/* --- Legal pages --- */
.legal-content {
  max-width: 760px; margin-inline: auto;
  padding: clamp(1.8rem, 3vw, 2.8rem);
}
.legal-content .legal-updated { color: var(--ink-mute); font-size: .82rem; margin-bottom: 2rem; }
.legal-content h2 { font-size: 1.25rem; margin: 2.2rem 0 .9rem; color: var(--ink); }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p { color: var(--ink-soft); margin-bottom: 1rem; line-height: 1.7; }
.legal-content ul { color: var(--ink-soft); margin: 0 0 1.2rem 1.2rem; line-height: 1.7; }
.legal-content li { margin-bottom: .4rem; }
.legal-content strong { color: var(--ink); }
.legal-content a { color: var(--accent-2); }
.legal-content a:hover { text-decoration: underline; }

/* --- Service cards (Servicios) --- */
.service-card p { margin-bottom: 1.1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; }
.service-tag {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent-2); background: rgba(47,179,107,.1); border: 1px solid rgba(47,179,107,.25);
  padding: .3rem .6rem; border-radius: var(--radius-full);
}
.service-list { display: flex; flex-direction: column; gap: .55rem; }
.service-list li { display: flex; gap: .55rem; align-items: flex-start; font-size: .92rem; color: var(--ink-soft); }
.service-list svg { width: 16px; height: 16px; color: var(--green); flex-shrink: 0; margin-top: .15rem; }

/* --- Services preview (Inicio) --- */
.services-preview-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2.4rem; }

/* --- Mapa (Contacto) --- */
.map-embed {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
  overflow: hidden; margin-top: 2rem;
  background: var(--bg-3);
}
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-actions { margin-top: 1.1rem; }

/* --- Asistente IA flotante --- */
.assistant-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 301;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--grad-solar); color: var(--on-accent);
  display: grid; place-items: center; border: none; cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.assistant-float:hover { transform: translateY(-4px) scale(1.06); box-shadow: 0 24px 46px -14px rgba(47,179,107,.6); }
.assistant-float svg { width: 28px; height: 28px; }
@media (max-width: 539px) { .assistant-float { right: 1rem; bottom: 1rem; width: 54px; height: 54px; } }

.assistant-panel {
  position: fixed; right: 1.4rem; bottom: 6.2rem; z-index: 302;
  width: min(360px, calc(100vw - 2rem));
  height: min(520px, calc(100vh - 9rem));
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; overflow: hidden;
  transform-origin: bottom right;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
}
.assistant-panel.is-hidden { opacity: 0; transform: scale(.92) translateY(12px); pointer-events: none; }
@media (max-width: 539px) { .assistant-panel { right: 1rem; bottom: 5.2rem; } }

.assistant-header {
  display: flex; align-items: center; gap: .7rem;
  padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: var(--bg-4);
}
.assistant-avatar {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%;
  background: var(--grad-solar); color: var(--on-accent);
  display: grid; place-items: center; font-size: 16px;
}
.assistant-title { font-weight: 600; font-size: .92rem; color: var(--ink); }
.assistant-status { font-size: .74rem; color: var(--green); }
.assistant-close {
  margin-left: auto; background: none; border: none; color: var(--ink-dim);
  font-size: 1rem; cursor: pointer; padding: .3rem;
}
.assistant-close:hover { color: var(--ink); }

.assistant-messages {
  flex: 1; overflow-y: auto; padding: 1rem;
  display: flex; flex-direction: column; gap: .7rem;
}
.a-msg { display: flex; }
.a-msg-bot { justify-content: flex-start; }
.a-msg-user { justify-content: flex-end; }
.a-msg-bubble {
  max-width: 82%; padding: .6rem .85rem; border-radius: 14px;
  font-size: .87rem; line-height: 1.45; white-space: pre-wrap; word-wrap: break-word;
}
.a-msg-bot .a-msg-bubble { background: var(--bg-4); border: 1px solid var(--line); color: var(--ink-soft); border-bottom-left-radius: 4px; }
.a-msg-user .a-msg-bubble { background: var(--grad-solar); color: var(--on-accent); border-bottom-right-radius: 4px; }
.a-msg-bubble.is-typing { display: flex; gap: 4px; align-items: center; padding: .75rem .9rem; }
.a-msg-bubble.is-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-dim); animation: aBlink 1.2s infinite ease-in-out; }
.a-msg-bubble.is-typing span:nth-child(2) { animation-delay: .2s; }
.a-msg-bubble.is-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes aBlink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

.assistant-input-row {
  display: flex; gap: .5rem; padding: .8rem; border-top: 1px solid var(--line); background: var(--bg-4);
}
.assistant-input-row input {
  flex: 1; background: var(--bg-3); border: 1px solid var(--line); color: var(--ink);
  padding: .7rem .85rem; border-radius: var(--radius-full); font-size: .87rem; outline: none;
}
.assistant-input-row input:focus { border-color: var(--accent-2); }
.assistant-input-row button {
  width: 38px; height: 38px; border: none; border-radius: 50%;
  background: var(--grad-solar); color: var(--on-accent); font-size: .95rem; cursor: pointer; flex-shrink: 0;
}
.assistant-input-row button:disabled { opacity: .5; cursor: not-allowed; }

/* --- Galería de trabajos realizados --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2.4rem;
}
.gallery-item {
  position: relative; padding: 0; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; background: var(--bg-3); aspect-ratio: 4 / 3;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease-out); }
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: var(--line-strong); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.lightbox {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(3,18,8,.94);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 1; transition: opacity .25s var(--ease-out);
}
.lightbox.is-hidden { opacity: 0; pointer-events: none; }
@supports (backdrop-filter: blur(6px)) { .lightbox { backdrop-filter: blur(6px); } }
.lightbox-img { max-width: min(90vw, 1100px); max-height: 85vh; object-fit: contain; border-radius: var(--radius); box-shadow: var(--shadow-card); }
.lightbox-close, .lightbox-nav {
  position: fixed; border: 1px solid var(--line-strong); background: rgba(var(--tint),.06); color: var(--ink);
  border-radius: 50%; cursor: pointer; display: grid; place-items: center;
  transition: background .2s var(--ease-out), transform .2s var(--ease-out);
}
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(var(--tint),.16); }
.lightbox-close { top: 1.4rem; right: 1.4rem; width: 44px; height: 44px; font-size: 1.1rem; }
.lightbox-nav { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 1.6rem; }
.lightbox-nav:hover { transform: translateY(-50%) scale(1.08); }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .6rem; }
  .lightbox-nav { width: 42px; height: 42px; font-size: 1.3rem; }
  .lightbox-prev { left: .4rem; }
  .lightbox-next { right: .4rem; }
  .lightbox-close { top: .8rem; right: .8rem; }
}

/* =============================================================
   8. Responsive breakpoints reference
   Mobile-first default; steps used: 540 / 720 / 960 / 1280 / 1600
   ============================================================= */
@media (min-width: 1600px) {
  .container { max-width: 1380px; }
}

/* =============================================================
   9. Reduced motion — only the truly intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mesh { animation: none; }
  .hero-chip { animation: none; }
  .eyebrow-dot { animation: none; }
  .hero-bg-photo { animation: none; }
  .hero-glow { animation: none; }
  .process-bg-photo { animation: none; }
  .process-glow { animation: none; }
  .faq-bg-photo { animation: none; }
  .faq-glow { animation: none; }
  /* NO se desactivan: tilt, hover, fades, reveal, count-up, botones */
}