/* ============================================
   ALQUIMIA SOLAR — Sistema de diseño completo
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  --verde-1:       #0f2d0a;
  --verde-2:       #1a4710;
  --verde-3:       #27600f;
  --verde-4:       #3b7a1a;
  --verde-5:       #55a028;
  --verde-6:       #7ec84a;
  --verde-7:       #b8e68a;
  --verde-8:       #e8f5d8;
  --verde-9:       #f4fbed;
  --negro:         #0c0e0b;
  --gris-1:        #1c1e1a;
  --gris-2:        #2e3029;
  --gris-3:        #454840;
  --gris-4:        #6b6f63;
  --gris-5:        #9a9e92;
  --gris-6:        #c8ccc0;
  --gris-7:        #e4e8de;
  --gris-8:        #f2f5ef;
  --blanco:        #ffffff;
  --tierra-1:      #7a2e00;
  --tierra-2:      #b84800;
  --tierra-3:      #e06020;
  --tierra-4:      #f08040;
  --tierra-5:      #faa070;
  --color-bg:           var(--blanco);
  --color-bg-alt:       var(--verde-9);
  --color-bg-dark:      var(--verde-1);
  --color-bg-dark-2:    var(--verde-2);
  --color-text:         var(--gris-1);
  --color-text-muted:   var(--gris-4);
  --color-text-light:   var(--gris-6);
  --color-brand:        var(--verde-4);
  --color-brand-light:  var(--verde-5);
  --color-brand-pale:   var(--verde-8);
  --color-accent:       var(--tierra-3);
  --color-border:       var(--gris-7);
  --color-border-dark:  var(--verde-3);
  --color-wa:      #25d366;
  --color-wa-dark: #128c4a;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --space-1:   4px;
  --space-2:   8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  80px;
  --space-10: 96px;
  --space-11: 120px;
  --space-12: 160px;
  --container:       1200px;
  --container-tight: 800px;
  --container-wide:  1400px;
  --radius-sm:   6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 999px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:   0 12px 32px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl:   0 24px 64px rgba(0,0,0,.18), 0 8px 24px rgba(0,0,0,.10);
  --shadow-green: 0 8px 24px rgba(59,122,26,.25);
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
  --transition-spring: 350ms cubic-bezier(.34,1.56,.64,1);
  --z-base:     1;
  --z-above:   10;
  --z-nav:    100;
  --z-modal:  200;
  --z-toast:  300;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 400; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 400; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 400; }
h4 { font-size: 1.2rem; font-weight: 500; font-family: var(--font-body); }
h5 { font-size: 1rem; font-weight: 600; font-family: var(--font-body); }
p  { max-width: 68ch; line-height: 1.7; }

.text-display {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
}
.text-display em { font-style: italic; color: var(--verde-5); }

.text-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.65;
  font-weight: 300;
}

.text-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand);
}
.text-label--light { color: var(--verde-6); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--tight { max-width: var(--container-tight); }
.container--wide  { max-width: var(--container-wide); }

.section { padding-block: var(--space-11); }
.section--sm  { padding-block: var(--space-9); }
.section--lg  { padding-block: var(--space-12); }

.section--dark {
  background: var(--color-bg-dark);
  color: var(--blanco);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--blanco); }
.section--dark p,
.section--dark .text-lead { color: var(--gris-6); }

.section--alt { background: var(--color-bg-alt); }

.section-header { margin-bottom: var(--space-8); }
.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.section-header h2 { margin-top: var(--space-2); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-5); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition-spring);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--verde-4);
  color: var(--blanco);
  border-color: var(--verde-4);
  box-shadow: var(--shadow-green);
}
.btn--primary:hover {
  background: var(--verde-5);
  border-color: var(--verde-5);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(59,122,26,.35);
}

.btn--wa {
  background: var(--color-wa);
  color: var(--blanco);
  border-color: var(--color-wa);
  box-shadow: 0 8px 24px rgba(37,211,102,.25);
}
.btn--wa:hover {
  background: #20bb5a;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37,211,102,.35);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--verde-4);
  color: var(--verde-4);
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255,255,255,.12);
  color: var(--blanco);
  border-color: rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.4);
  transform: translateY(-1px);
}

.btn--sm  { padding: 10px 20px; font-size: 0.8rem; }
.btn--lg  { padding: 18px 36px; font-size: 1rem; }
.btn--xl  { padding: 20px 44px; font-size: 1.05rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge--green      { background: var(--verde-8); color: var(--verde-3); border: 1px solid var(--verde-7); }
.badge--green-dark { background: var(--verde-3); color: var(--verde-7); }
.badge--terra      { background: #fff0e8; color: var(--tierra-2); border: 1px solid #fdd0b8; }
.badge--white      { background: rgba(255,255,255,.15); color: var(--blanco); border: 1px solid rgba(255,255,255,.3); backdrop-filter: blur(8px); }
.badge--dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: inline-block; }

.card {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--verde-7); }
.card__img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card__body { padding: var(--space-5) var(--space-5) var(--space-6); }
.card__tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--verde-4); margin-bottom: var(--space-2); }
.card__title { font-size: 1.2rem; font-weight: 600; margin-bottom: var(--space-2); line-height: 1.3; font-family: var(--font-body); }
.card__text { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: var(--space-4); }
.card__footer { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }

.card--featured { border-color: var(--verde-5); position: relative; }
.card--featured::before {
  content: 'Más vendido';
  position: absolute;
  top: 16px; right: 16px;
  background: var(--verde-4);
  color: var(--blanco);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  z-index: var(--z-above);
}

.img-wrap { position: relative; overflow: hidden; border-radius: var(--radius-md); }
.img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.img-wrap:hover img { transform: scale(1.04); }
.img-wrap--overlay::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,28,6,.7) 0%, transparent 60%);
  pointer-events: none;
}

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: 20px 0;
  transition: all var(--transition-base);
}
.navbar--scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
}
.navbar--scrolled .navbar__logo { color: var(--verde-1); }
.navbar--scrolled .navbar__link { color: var(--gris-2); }
.navbar--scrolled .navbar__link:hover { color: var(--verde-4); }
.navbar--scrolled .navbar__burger span { background: var(--verde-1); }

.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }

.navbar__logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--blanco);
  font-weight: 700; font-size: 1.1rem;
  text-decoration: none; flex-shrink: 0;
  transition: color var(--transition-base);
}
.navbar__logo img { height: 36px; width: auto; }
.navbar__logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.navbar__logo-sub { font-size: 0.65rem; font-weight: 400; opacity: 0.75; letter-spacing: 0.04em; text-transform: uppercase; }

.navbar__nav { display: flex; align-items: center; gap: var(--space-2); flex: 1; justify-content: center; }

.navbar__link {
  font-size: 0.875rem; font-weight: 500;
  color: rgba(255,255,255,.85);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.navbar__link:hover { color: var(--blanco); background: rgba(255,255,255,.12); }
.navbar__link.active { color: var(--verde-6); }

.navbar__actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

.navbar__burger { display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer; }
.navbar__burger span { display: block; width: 24px; height: 2px; background: var(--blanco); border-radius: 2px; transition: all var(--transition-base); }
.navbar__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__burger.open span:nth-child(2) { opacity: 0; }
.navbar__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.navbar__mobile {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--verde-1);
  z-index: calc(var(--z-nav) - 1);
  padding: 100px var(--space-5) var(--space-5);
  flex-direction: column; gap: var(--space-3);
}
.navbar__mobile.open { display: flex; }
.navbar__mobile-link {
  font-size: 1.5rem; font-family: var(--font-display);
  color: var(--blanco); padding: var(--space-3) 0;
  border-bottom: 1px solid var(--verde-3);
  text-decoration: none; transition: color var(--transition-fast);
}
.navbar__mobile-link:hover { color: var(--verde-6); }

.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden; background: var(--verde-1); color: var(--blanco);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img, .hero__bg video { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,28,6,.82) 0%, rgba(15,45,10,.60) 50%, rgba(10,28,6,.40) 100%);
  z-index: 1;
}
.hero__content { position: relative; z-index: 2; padding: 120px 0 80px; max-width: 720px; }
.hero__eyebrow { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-5); }
.hero__title { color: var(--blanco); margin-bottom: var(--space-5); }
.hero__title em { font-style: italic; color: var(--verde-6); }
.hero__text {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,.8); font-weight: 300;
  max-width: 56ch; margin-bottom: var(--space-7); line-height: 1.7;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; margin-bottom: var(--space-8); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent); }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.problema-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.problema-item { background: var(--blanco); padding: var(--space-7) var(--space-6); text-align: center; transition: background var(--transition-base); }
.problema-item:hover { background: var(--verde-9); }
.problema-item__icon { width: 56px; height: 56px; background: var(--verde-8); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-4); font-size: 1.5rem; transition: background var(--transition-base); }
.problema-item:hover .problema-item__icon { background: var(--verde-7); }
.problema-item__q { font-size: 1rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); line-height: 1.4; }
.problema-item__a { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.6; }

.selector { background: var(--verde-1); border-radius: var(--radius-xl); padding: var(--space-9) var(--space-8); color: var(--blanco); position: relative; overflow: hidden; }
.selector::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(85,160,40,.15) 0%, transparent 70%); pointer-events: none; }
.selector__title { color: var(--blanco); margin-bottom: var(--space-2); }
.selector__sub { color: var(--gris-5); margin-bottom: var(--space-7); }
.selector__range-wrap { margin-bottom: var(--space-7); }
.selector__range-labels { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--gris-5); margin-bottom: var(--space-3); }
.selector__value-display { text-align: center; margin-bottom: var(--space-4); }
.selector__hectareas { font-family: var(--font-display); font-size: 4rem; color: var(--verde-5); line-height: 1; letter-spacing: -0.03em; }
.selector__ha-label { font-size: 0.9rem; color: var(--gris-5); margin-top: 4px; }

input[type="range"].slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 3px;
  background: var(--verde-3); outline: none; cursor: pointer;
}
input[type="range"].slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--verde-5); cursor: pointer;
  box-shadow: 0 0 0 4px rgba(85,160,40,.25), var(--shadow-md);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}
input[type="range"].slider::-webkit-slider-thumb:hover { transform: scale(1.2); box-shadow: 0 0 0 8px rgba(85,160,40,.2), var(--shadow-md); }
input[type="range"].slider::-moz-range-thumb { width: 28px; height: 28px; border-radius: 50%; background: var(--verde-5); cursor: pointer; border: none; box-shadow: 0 0 0 4px rgba(85,160,40,.25); }

.selector__result { background: var(--verde-2); border-radius: var(--radius-lg); padding: var(--space-6); border: 1px solid var(--verde-3); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center; transition: all var(--transition-base); }
.selector__result-img { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; background: var(--verde-3); }
.selector__result-img img { width: 100%; height: 100%; object-fit: cover; }
.selector__result-modelo { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--verde-6); margin-bottom: var(--space-2); }
.selector__result-nombre { font-family: var(--font-display); font-size: 2.2rem; color: var(--blanco); margin-bottom: var(--space-3); line-height: 1; }
.selector__result-desc { font-size: 0.9rem; color: var(--gris-6); margin-bottom: var(--space-5); line-height: 1.6; }
.selector__specs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-5); }
.selector__spec { background: rgba(85,160,40,.15); border: 1px solid rgba(85,160,40,.25); color: var(--verde-6); font-size: 0.78rem; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-full); }

.stats-bar { background: var(--verde-1); padding: var(--space-7) 0; border-top: 1px solid var(--verde-2); border-bottom: 1px solid var(--verde-2); }
.stats-bar__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.stats-bar__item { text-align: center; padding: var(--space-4); border-right: 1px solid var(--verde-2); }
.stats-bar__item:last-child { border-right: none; }
.stats-bar__num { font-family: var(--font-display); font-size: 2.8rem; color: var(--verde-5); line-height: 1; letter-spacing: -0.03em; }
.stats-bar__label { font-size: 0.8rem; color: var(--gris-5); margin-top: var(--space-2); line-height: 1.4; }

.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: var(--space-5) 0; text-align: left; cursor: pointer; background: none; border: none; font-family: var(--font-body); gap: var(--space-4); transition: color var(--transition-fast); }
.faq-trigger:hover { color: var(--verde-4); }
.faq-trigger__q { font-size: 1rem; font-weight: 600; color: inherit; line-height: 1.4; }
.faq-trigger__icon { flex-shrink: 0; width: 24px; height: 24px; background: var(--verde-8); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all var(--transition-base); color: var(--verde-4); font-size: 1.1rem; line-height: 1; }
.faq-item.open .faq-trigger__icon { background: var(--verde-4); color: var(--blanco); transform: rotate(45deg); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); }
.faq-item.open .faq-body { max-height: 400px; }
.faq-body__inner { padding: 0 0 var(--space-5); font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; max-width: 72ch; }

.testimonial { background: var(--verde-9); border-radius: var(--radius-lg); padding: var(--space-6); border: 1px solid var(--verde-8); display: flex; flex-direction: column; gap: var(--space-4); transition: all var(--transition-base); }
.testimonial:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--verde-6); }
.testimonial__stars { display: flex; gap: 3px; color: var(--tierra-3); font-size: 0.9rem; }
.testimonial__text { font-size: 0.95rem; color: var(--color-text); line-height: 1.7; font-style: italic; }
.testimonial__text::before { content: '"'; }
.testimonial__text::after  { content: '"'; }
.testimonial__author { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.testimonial__avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.testimonial__name { font-weight: 700; font-size: 0.9rem; line-height: 1.2; }
.testimonial__info { font-size: 0.78rem; color: var(--color-text-muted); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); position: relative; }
.steps::before { content: ''; position: absolute; top: 28px; left: calc(12.5% + 16px); right: calc(12.5% + 16px); height: 1px; background: linear-gradient(to right, var(--verde-7), var(--verde-5), var(--verde-7)); }
.step { text-align: center; padding: var(--space-4); position: relative; }
.step__num { width: 56px; height: 56px; border-radius: 50%; background: var(--verde-4); color: var(--blanco); font-family: var(--font-display); font-size: 1.4rem; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-4); position: relative; z-index: 1; box-shadow: 0 0 0 8px var(--verde-2), var(--shadow-green); }
.step__title { font-size: 1rem; font-weight: 700; margin-bottom: var(--space-2); line-height: 1.3; }
.step__text { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.6; }

.financiacion { background: var(--verde-1); border-radius: var(--radius-xl); padding: var(--space-9) var(--space-8); display: grid; grid-template-columns: 1fr auto; gap: var(--space-8); align-items: center; color: var(--blanco); position: relative; overflow: hidden; }
.financiacion::after { content: ''; position: absolute; bottom: -80px; right: -80px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(85,160,40,.12) 0%, transparent 70%); pointer-events: none; }
.financiacion__logos { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }

.cta-final { text-align: center; padding: var(--space-12) 0; background: var(--verde-1); color: var(--blanco); position: relative; overflow: hidden; }
.cta-final::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 800px; height: 800px; background: radial-gradient(circle, rgba(85,160,40,.08) 0%, transparent 65%); pointer-events: none; }
.cta-final h2 { color: var(--blanco); }
.cta-final__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; margin-top: var(--space-6); }

.footer { background: var(--negro); color: var(--gris-6); padding: var(--space-10) 0 var(--space-6); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-8); margin-bottom: var(--space-8); }
.footer__brand p { font-size: 0.875rem; line-height: 1.7; color: var(--gris-5); margin-top: var(--space-3); max-width: 30ch; }
.footer__col h5 { color: var(--blanco); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-4); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__link { font-size: 0.875rem; color: var(--gris-5); text-decoration: none; transition: color var(--transition-fast); line-height: 1.4; }
.footer__link:hover { color: var(--verde-6); }
.footer__contact-item { display: flex; align-items: flex-start; gap: var(--space-2); font-size: 0.875rem; color: var(--gris-5); margin-bottom: var(--space-2); line-height: 1.5; }
.footer__bottom { border-top: 1px solid var(--gris-2); padding-top: var(--space-5); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }
.footer__copy { font-size: 0.8rem; color: var(--gris-4); }
.footer__social { display: flex; gap: var(--space-3); }
.footer__social-link { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--gris-2); display: flex; align-items: center; justify-content: center; color: var(--gris-5); font-size: 0.9rem; transition: all var(--transition-base); text-decoration: none; }
.footer__social-link:hover { border-color: var(--verde-4); color: var(--verde-5); background: rgba(85,160,40,.08); }

.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: var(--z-modal); width: 60px; height: 60px; background: var(--color-wa); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(37,211,102,.4); transition: all var(--transition-spring); text-decoration: none; animation: wa-pulse 3s ease-in-out infinite; }
.wa-float:hover { transform: scale(1.12); box-shadow: 0 12px 32px rgba(37,211,102,.5); animation: none; }
.wa-float svg { width: 28px; height: 28px; fill: var(--blanco); }
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,.4); }
  50% { box-shadow: 0 8px 40px rgba(37,211,102,.6), 0 0 0 8px rgba(37,211,102,.1); }
}

.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.galeria__item { border-radius: var(--radius-md); overflow: hidden; cursor: pointer; position: relative; aspect-ratio: 4/3; background: var(--gris-7); }
.galeria__item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.galeria__item:hover img { transform: scale(1.06); }
.galeria__item-overlay { position: absolute; inset: 0; background: rgba(10,28,6,0); display: flex; align-items: flex-end; padding: var(--space-4); transition: background var(--transition-base); }
.galeria__item:hover .galeria__item-overlay { background: rgba(10,28,6,.55); }
.galeria__item-info { opacity: 0; transform: translateY(8px); transition: all var(--transition-base); color: var(--blanco); }
.galeria__item:hover .galeria__item-info { opacity: 1; transform: translateY(0); }
.galeria__item-loc { font-size: 0.8rem; font-weight: 600; color: var(--verde-6); margin-bottom: 2px; }
.galeria__item-desc { font-size: 0.85rem; color: rgba(255,255,255,.9); }

.lightbox { position: fixed; inset: 0; z-index: var(--z-modal); background: rgba(0,0,0,.92); display: none; align-items: center; justify-content: center; backdrop-filter: blur(6px); }
.lightbox.open { display: flex; }
.lightbox__img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); object-fit: contain; box-shadow: var(--shadow-xl); }
.lightbox__close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; background: rgba(255,255,255,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--blanco); cursor: pointer; font-size: 1.2rem; border: none; backdrop-filter: blur(8px); transition: background var(--transition-base); }
.lightbox__close:hover { background: rgba(255,255,255,.25); }

/* ── ANIMACIONES — todo visible por defecto ── */
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

.text-center { text-align: center; }
.w-full { width: 100%; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__item:nth-child(2) { border-right: none; }
  .financiacion { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-11: 72px; --space-12: 96px; }
  .navbar__nav { display: none; }
  .navbar__actions .btn:not(.navbar__burger) { display: none; }
  .navbar__burger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .problema-grid { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: repeat(2, 1fr); }
  .selector__result { grid-template-columns: 1fr; }
  .hero__content { padding: 100px 0 60px; }
  .selector { padding: var(--space-6) var(--space-4); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer__bottom { flex-direction: column; text-align: center; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .cta-final__actions { flex-direction: column; align-items: center; }
  .wa-float { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .galeria { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .steps { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

:focus-visible { outline: 2px solid var(--verde-5); outline-offset: 3px; border-radius: 3px; }