:root {
  --primary: #2E7D6B;
  --primary-dark: #1f5e50;
  --primary-soft: #e3f4ef;
  --ink: #0f2a24;
  --muted: #55706a;
  --line: #dbe7e3;
  --bg: #ffffff;
  --alt: #f4faf8;
  --wa: #25d366;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(1120px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(760px, 100% - 40px); }
.center { text-align: center; margin-top: 22px; }

/* Barra superior */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 24px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; text-decoration: none; }
.menu { display: flex; gap: 22px; margin-left: auto; font-weight: 600; font-size: 15px; color: var(--muted); }
.menu a { text-decoration: none; }
.menu a:hover { color: var(--primary); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; font: inherit; font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(15,42,36,.12); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.wa { background: var(--wa); border-color: var(--wa); color: #06361a; }
.btn.small { padding: 9px 16px; font-size: 14px; white-space: nowrap; }
@media (max-width: 480px) { .bar { gap: 10px; } .brand { font-size: 17px; } .btn.small { padding: 8px 12px; font-size: 13px; } }
.btn.big { padding: 16px 28px; font-size: 16px; width: 100%; }

/* Portada */
.hero { background: radial-gradient(1100px 500px at 85% -10%, #d3efe6 0, transparent 60%), linear-gradient(#fff, var(--alt)); padding: 56px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.badge { display: inline-block; background: var(--primary-soft); color: var(--primary-dark); font-weight: 800; font-size: 12px; letter-spacing: .06em; padding: 7px 14px; border-radius: 999px; }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.08; letter-spacing: -.02em; margin: 18px 0 16px; font-weight: 800; }
.accent { color: var(--primary); }
.lead { font-size: 18px; color: var(--muted); max-width: 580px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 22px 0; }
.chips li { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--primary-dark); }
.cta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 480px; align-items: center; }
.link-more { grid-column: 1 / -1; justify-self: start; font-weight: 700; color: var(--primary-dark); text-decoration: none; padding: 4px 2px; }
.link-more:hover { text-decoration: underline; }
.hero-art { position: relative; display: flex; justify-content: center; min-height: 520px; }
.phone { margin: 0; width: 250px; border: 9px solid #12312a; border-radius: 36px; background: #fff; overflow: hidden; box-shadow: 0 30px 60px rgba(15,42,36,.25); position: relative; }
.phone img { width: 100%; }
.phone.back { position: absolute; width: 215px; right: 0; top: 60px; transform: rotate(7deg); z-index: 0; opacity: .96; }
.hero-art .phone:not(.back) { z-index: 1; transform: rotate(-3deg); margin-right: 80px; }

/* Secciones */
.section { padding: 76px 0; }
.section.alt { background: var(--alt); }
h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; letter-spacing: -.01em; margin: 0 0 12px; text-align: center; font-weight: 800; }
.two h2 { text-align: left; margin-top: 14px; }
.sub { text-align: center; color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 auto 40px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(15,42,36,.1); }
.ico { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 12px; background: var(--primary-soft); color: var(--primary-dark); margin-bottom: 16px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; color: var(--ink); }
.ticks li::before { content: '✓'; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 800; display: grid; place-items: center; }

/* Pasos */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 18px; margin-bottom: 14px; }
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }

/* Recorrido */
.tour { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; align-items: flex-start; }
.tour .phone { width: 250px; }
.tour figcaption { text-align: center; font-weight: 700; font-size: 14px; padding: 10px; background: #fff; border-top: 1px solid var(--line); }
.phone.chat { background: #f1f5f4; display: flex; flex-direction: column; gap: 9px; padding: 0 0 0; min-height: 520px; }
.chat-head { background: var(--primary); color: #fff; padding: 22px 16px 12px; display: flex; flex-direction: column; font-size: 15px; }
.chat-head span { font-size: 12px; opacity: .85; }
.msg { margin: 0 12px; padding: 9px 12px; border-radius: 14px; font-size: 13.5px; max-width: 88%; line-height: 1.4; }
.msg.me { background: var(--primary); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.them { background: #fff; border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.ref { background: #e1ebe8; color: var(--muted); font-size: 12px; align-self: flex-end; }
.msg.photo { display: grid; gap: 4px; padding: 14px 18px; background: #fff; color: var(--ink); border: 1px solid var(--line); }
.msg.photo span { font-size: 12px; color: var(--muted); }
.msg.photo b { font-size: 22px; color: var(--primary); }
.phone.chat figcaption { margin-top: auto; }

/* Demo en vivo */
.browser { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 24px 60px rgba(15,42,36,.16); background: #fff; }
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #eef4f2; border-bottom: 1px solid var(--line); }
.browser-bar i { width: 11px; height: 11px; border-radius: 50%; background: #c3d4cf; }
.browser-bar span { margin-left: 14px; flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 3px 14px; font-size: 13px; color: var(--muted); }
/* Carrusel de pantallas del panel */
.carousel { position: relative; }
.slides { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; outline-offset: -3px; }
.slides::-webkit-scrollbar { display: none; }
.slide { margin: 0; flex: 0 0 100%; scroll-snap-align: center; background: #f5f7f6; }
.slide img { width: 100%; aspect-ratio: 8 / 5; object-fit: cover; object-position: top left; background: #fff; }
.slide figcaption { display: grid; gap: 2px; padding: 16px 22px 18px; background: #fff; border-top: 1px solid var(--line); }
.slide figcaption b { font-size: 18px; }
.slide figcaption span { color: var(--muted); }
.nav { position: absolute; top: 38%; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--primary-dark); font-size: 28px; line-height: 1; cursor: pointer; box-shadow: 0 8px 22px rgba(15,42,36,.2); display: grid; place-items: center; padding: 0 0 4px; }
.nav:hover { background: var(--primary-soft); }
.nav.prev { left: -16px; }
.nav.next { right: -16px; }
.nav:disabled { opacity: .35; cursor: default; }
.dots { display: flex; justify-content: center; gap: 9px; margin-top: 22px; flex-wrap: wrap; }
.dots button { width: 11px; height: 11px; border-radius: 50%; border: 0; background: #c3d4cf; cursor: pointer; padding: 0; transition: transform .15s, background .15s; }
.dots button[aria-selected="true"] { background: var(--primary); transform: scale(1.35); }

/* Preguntas */
details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::after { content: '+'; font-size: 22px; color: var(--primary); line-height: 1; }
details[open] summary::after { content: '–'; }
details p { margin: 12px 0 0; color: var(--muted); }

/* Contacto */
.cta-final { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; }
.cta-final h2, .cta-final .sub { color: #fff; }
.cta-final .sub { opacity: .92; }
.form { background: #fff; color: var(--ink); border-radius: 22px; padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; box-shadow: 0 30px 70px rgba(0,0,0,.25); }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.form .full { grid-column: 1 / -1; }
.form textarea { font: inherit; padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 12px; resize: vertical; color: var(--ink); }
.form textarea:focus { outline: 3px solid var(--primary-soft); border-color: var(--primary); }
.choose { margin: 4px 0 -4px; font-weight: 700; color: var(--muted); font-size: 14px; }
.send { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form input, .form select { font: inherit; padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); }
.form input:focus, .form select:focus { outline: 3px solid var(--primary-soft); border-color: var(--primary); }
.form input.bad { border-color: #c0392b; }
.note { margin: 0; font-size: 14px; color: var(--muted); }
.note textarea { width: 100%; margin-top: 8px; font: inherit; padding: 10px; border: 1.5px solid var(--line); border-radius: 10px; resize: vertical; }

.foot { background: #0b1f1a; color: #b9cfc9; padding: 36px 0; }
.foot .brand { color: #fff; margin-bottom: 8px; }
.foot p { margin: 0; }

.wa-float { position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px; border-radius: 50%; background: var(--wa); display: grid; place-items: center; box-shadow: 0 10px 26px rgba(0,0,0,.28); z-index: 30; }

@media (max-width: 900px) {
  .menu { display: none; }
  .bar { justify-content: space-between; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 480px; }
  .grid3, .steps { grid-template-columns: 1fr 1fr; }
  .two { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .grid3, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; }
  .phone { width: 210px; }
  .phone.back { width: 180px; }
  .hero-art .phone:not(.back) { margin-right: 60px; }
  .nav { top: auto; bottom: 0; width: 40px; height: 40px; box-shadow: none; }
  .nav.prev { left: 0; }
  .nav.next { right: 0; }
  .dots { margin-top: 0; min-height: 40px; align-items: center; padding: 0 48px; }
  .slide figcaption { padding: 12px 16px 14px; }
  .cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn, .card { transition: none; } }

@media (max-width: 640px) { .form { grid-template-columns: 1fr; padding: 22px; } .send { grid-template-columns: 1fr; } .cta { grid-template-columns: 1fr; max-width: none; } }