@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/inter-latin-wght.woff2') format('woff2');
}

:root {
  --navy: #172A4F;
  --navy-2: #1F3766;
  --accent: #1C4FA1;
  --accent-dark: #163F82;
  --accent-light: #7FA9EE;
  --accent-soft: #EEF3FC;
  --white: #FFFFFF;
  --mist: #F8FAFC;
  --line: #E2E8F0;
  --muted: #475569;
  --faint: #94A3B8;
  --subtle: #64748B;
  --error: #DC2626;
  --wa-green: #25D366;
  --wa-dark: #075E54;
  --wa-bubble: #D9FDD3;
  --wa-bg: #EFEAE2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--mist);
  color: var(--navy);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Nav ---------- */
nav {
  background: var(--white); color: var(--navy);
  border-bottom: 1px solid var(--line);
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: block; height: 34px; width: auto; }
.logo-link { display: block; border-radius: 4px; }
.logo-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.nav-badges { display: flex; gap: 8px; }
.nav-badges span {
  font-size: 11px; font-weight: 700; letter-spacing: .1em;
  border: 1px solid var(--line); border-radius: 4px; padding: 4px 8px; color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(28,79,161,.45), transparent 40%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  padding: 56px 0 72px;
}
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) 480px; gap: 48px; align-items: start; }
.cred {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(127,169,238,.12); border: 1px solid rgba(127,169,238,.45);
  color: #CFDDF8; font-size: 13px; font-weight: 600;
  padding: 7px 12px; border-radius: 999px; margin-bottom: 20px;
}
.cred::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--wa-green); box-shadow: 0 0 0 3px rgba(37,211,102,.25); }
.hero h1 { font-size: 46px; font-weight: 900; letter-spacing: -.035em; line-height: 1.05; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--accent-light); }
.hero .sub { font-size: 18px; color: #CBD5E1; max-width: 560px; margin-bottom: 28px; }
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 600px; }
.trust div { border-left: 3px solid var(--accent-light); padding: 4px 0 4px 12px; }
.trust strong { display: block; font-size: 15px; }
.trust span { font-size: 13px; color: var(--faint); }

/* ---------- Configurador ---------- */
.config {
  background: var(--white); color: var(--navy);
  border-radius: 12px; padding: 26px;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
  border-top: 5px solid var(--accent);
}
.config h2 { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.config .hint { font-size: 13px; color: var(--muted); margin: 4px 0 18px; }
.steps { display: flex; gap: 6px; margin-bottom: 18px; }
.steps i { flex: 1; height: 4px; border-radius: 4px; background: var(--line); transition: background .25s; }
.steps i.on { background: var(--accent); }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label {
  display: block; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.field label b { color: var(--accent); }
select {
  width: 100%; font: inherit; font-size: 15px; color: var(--navy);
  padding: 11px 36px 11px 12px; border: 1.5px solid var(--line); border-radius: 8px;
  background: var(--mist) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230F172A' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
select:focus { outline: none; border-color: var(--navy); background-color: var(--white); }
select.filled { border-color: #94A3B8; background-color: var(--white); }
.field.invalid select { border-color: var(--error); background-color: #FEF2F2; }
.err { display: none; font-size: 12px; color: var(--error); margin-top: 4px; font-weight: 600; }
.field.invalid .err { display: block; }

.divider {
  display: flex; align-items: center; gap: 10px; margin: 18px 0 12px;
  font-size: 12px; font-weight: 700; color: var(--subtle); text-transform: uppercase; letter-spacing: .1em;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.upload {
  display: flex; align-items: center; gap: 14px;
  border: 1.5px dashed #CBD5E1; border-radius: 8px; padding: 14px;
  cursor: pointer; transition: border-color .15s, background .15s;
  background: var(--mist);
}
.upload:hover, .upload.drag { border-color: var(--accent); background: var(--accent-soft); }
.upload input { display: none; }
.upload .ico {
  flex: 0 0 44px; height: 44px; border-radius: 8px; background: var(--navy);
  display: grid; place-items: center; overflow: hidden;
}
.upload .ico img { width: 100%; height: 100%; object-fit: cover; }
.upload strong { display: block; font-size: 14px; }
.upload span { font-size: 12px; color: var(--muted); }
.upload .rm {
  margin-left: auto; border: 0; background: none; color: var(--muted);
  font: inherit; font-size: 12px; font-weight: 700; text-decoration: underline; cursor: pointer; display: none;
}
.upload.has-file { border-style: solid; border-color: var(--wa-green); background: #F0FDF4; }
.upload.has-file .rm { display: block; }

.form-alert {
  display: none; margin-top: 14px; padding: 10px 12px; border-radius: 8px;
  background: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; font-size: 13px; font-weight: 600;
}
.form-alert.show { display: block; }

.cta {
  width: 100%; margin-top: 18px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font: inherit; font-size: 16px; font-weight: 800; color: var(--white);
  background: var(--accent); border: 0; border-radius: 8px; padding: 16px 18px;
  cursor: pointer; box-shadow: 0 6px 18px rgba(28,79,161,.35);
  transition: background .15s, transform .1s;
}
.cta:hover { background: var(--accent-dark); }
.cta:active { transform: translateY(1px); }
.cta svg { flex: 0 0 22px; }
.fine { text-align: center; font-size: 12px; color: var(--subtle); margin-top: 10px; }

/* ---------- Secciones ---------- */
section.block { padding: 64px 0; }
.eyebrow { font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.block h2.title { font-size: 32px; font-weight: 900; letter-spacing: -.025em; margin: 6px 0 28px; max-width: 700px; line-height: 1.15; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 22px; }
.card .k { font-size: 12px; font-weight: 800; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; }
.card h3 { font-size: 18px; font-weight: 800; margin: 6px 0 6px; }
.card p { font-size: 14px; color: var(--muted); }
.card .price { font-size: 13px; font-weight: 700; color: var(--navy); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }

.why { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-grid div strong { display: block; font-size: 16px; margin-bottom: 4px; }
.why-grid div p { font-size: 14px; color: var(--muted); }
.why-grid .n { font-size: 32px; font-weight: 900; color: var(--accent); letter-spacing: -.03em; line-height: 1; margin-bottom: 8px; }

footer.site { background: var(--navy); color: var(--faint); font-size: 14px; padding: 40px 0 24px; }
footer.site strong { color: var(--white); }
.footer-main { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px 48px; flex-wrap: wrap; padding-bottom: 28px; }
.footer-brand strong { display: block; font-size: 16px; font-weight: 800; margin-bottom: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 4px; text-align: right; color: #CBD5E1; }
.footer-legal {
  display: flex; justify-content: space-between; align-items: center; gap: 8px 24px; flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; font-size: 12px;
}
.powered a { color: #CBD5E1; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(203,213,225,.35); transition: color .15s, text-decoration-color .15s; }
.powered a:hover { color: var(--white); text-decoration-color: currentColor; }
.powered a:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 2px; border-radius: 2px; }
@media (max-width: 680px) {
  footer.site { padding: 32px 0 20px; }
  .footer-main { flex-direction: column; gap: 16px; padding-bottom: 24px; }
  .footer-contact { text-align: left; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}

/* ---------- Modal WhatsApp ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(15,23,42,.72); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; padding: 16px;
}
.overlay.open { display: flex; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }

.phone {
  width: 100%; max-width: 420px; height: min(720px, calc(100vh - 32px));
  background: var(--wa-bg); border-radius: 22px; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
  border: 8px solid #111827;
  animation: pop .25s ease;
}
.wa-head {
  background: var(--wa-dark); color: var(--white);
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
}
.wa-head .back { background: none; border: 0; color: var(--white); cursor: pointer; padding: 4px; display: grid; }
.wa-av {
  width: 38px; height: 38px; border-radius: 50%; background: var(--navy);
  display: grid; place-items: center; overflow: hidden; background: var(--white);
  border: 2px solid rgba(255,255,255,.2);
}
.wa-head .who strong { display: block; font-size: 15px; font-weight: 700; }
.wa-head .who span { font-size: 12px; color: #B5E3D9; }
.wa-head .verified { display: inline-block; width: 14px; height: 14px; vertical-align: -2px; margin-left: 3px; }

.wa-body {
  flex: 1; overflow-y: auto; padding: 14px 12px;
  background-color: var(--wa-bg);
  background-image: radial-gradient(rgba(15,23,42,.05) 1px, transparent 1px);
  background-size: 16px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.wa-note {
  align-self: center; background: #FFF6D6; color: #6B5B1E;
  font-size: 11.5px; text-align: center; padding: 6px 10px; border-radius: 8px; max-width: 90%;
  box-shadow: 0 1px 1px rgba(0,0,0,.06);
}
.bubble {
  max-width: 85%; padding: 7px 9px 5px; border-radius: 8px; font-size: 14px; line-height: 1.4;
  box-shadow: 0 1px 1px rgba(0,0,0,.1); position: relative; white-space: pre-wrap; word-wrap: break-word;
  animation: pop .2s ease;
}
.bubble.out { align-self: flex-end; background: var(--wa-bubble); border-top-right-radius: 2px; }
.bubble.in { align-self: flex-start; background: var(--white); border-top-left-radius: 2px; }
.bubble .meta { display: flex; justify-content: flex-end; align-items: center; gap: 3px; font-size: 10.5px; color: #667781; margin-top: 2px; }
.bubble .ticks { color: #8696A0; }
.bubble .ticks.read { color: #53BDEB; }
.bubble img { display: block; width: 100%; max-height: 220px; object-fit: cover; border-radius: 6px; margin-bottom: 4px; }
.typing { align-self: flex-start; background: var(--white); border-radius: 8px; padding: 10px 14px; display: flex; gap: 4px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: #9CA3AF; animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

.wa-real {
  display: none; align-items: center; justify-content: center; gap: 6px;
  background: #F0F2F5; border-top: 1px solid #E2E8F0; padding: 7px 10px 0;
  font-size: 12px; font-weight: 600; color: var(--wa-dark); text-decoration: none;
}
.wa-real:hover { text-decoration: underline; }
.wa-real.show { display: flex; }
.wa-compose {
  display: flex; align-items: flex-end; gap: 8px; padding: 8px; background: #F0F2F5;
}
.wa-compose textarea {
  flex: 1; resize: none; border: 0; border-radius: 20px; padding: 10px 14px;
  font: inherit; font-size: 14px; line-height: 1.35; color: #111B21; background: var(--white);
  max-height: 170px; min-height: 42px;
}
.wa-compose textarea:focus { outline: 2px solid rgba(37,211,102,.4); }
.wa-send {
  flex: 0 0 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--wa-green); display: grid; place-items: center;
}
.wa-send:disabled { opacity: .5; cursor: default; }

.close-demo {
  position: absolute; top: 16px; right: 16px;
  background: var(--white); color: var(--navy); border: 0; border-radius: 999px;
  font: inherit; font-size: 13px; font-weight: 700; padding: 8px 14px; cursor: pointer;
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
  .config { max-width: 560px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .wrap { padding: 0 16px; }
  .nav-badges { display: none; }
  .logo { height: 28px; }
  .hero { padding: 36px 0 48px; }
  .hero h1 { font-size: 32px; }
  .hero .sub { font-size: 16px; }
  .trust { grid-template-columns: 1fr; }
  .config { padding: 20px 16px; }
  .fields { grid-template-columns: 1fr; }
  .cards, .why-grid { grid-template-columns: 1fr; }
  .block h2.title { font-size: 26px; }
  .phone { border-width: 0; border-radius: 14px; height: calc(100vh - 32px); }
  .close-demo { display: none; }
}

/* ---------- Extensiones multi-landing ---------- */
.field.full { grid-column: 1 / -1; }
.upload .ico .doc { color: var(--white); font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.bubble .file {
  display: flex; align-items: center; gap: 8px; background: rgba(0,0,0,.05);
  border-radius: 6px; padding: 8px 10px; margin-bottom: 4px; font-size: 13px; font-weight: 600;
}
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--white); }
.process > div { padding: 20px; border-right: 1px solid var(--line); }
.process > div:last-child { border-right: 0; background: var(--accent-soft); }
.process .n { font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--accent); text-transform: uppercase; }
.process strong { display: block; font-size: 17px; margin: 4px 0; }
.process p { font-size: 14px; color: var(--muted); }
.sectors { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.sectors span { background: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600; }
@media (max-width: 1000px) { .process { grid-template-columns: 1fr 1fr; } .process > div:nth-child(2) { border-right: 0; } .process > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
@media (max-width: 680px) { .process { grid-template-columns: 1fr; } .process > div { border-right: 0; border-bottom: 1px solid var(--line); } }

/* ---------- Imágenes ---------- */
.hero { position: relative; overflow: hidden; }
.hero > .wrap { position: relative; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(23,42,79,.97) 0%, rgba(23,42,79,.9) 40%, rgba(23,42,79,.55) 100%);
}
.feature { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 44px; align-items: center; margin-top: 48px; }
.feature img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 12px; box-shadow: 0 18px 40px rgba(23,42,79,.18); }
.feature h3 { font-size: 26px; font-weight: 900; letter-spacing: -.02em; line-height: 1.15; margin: 6px 0 10px; }
.feature p { font-size: 15px; color: var(--muted); }
.feature ul { list-style: none; margin: 14px 0 20px; }
.feature li { position: relative; padding-left: 22px; margin-bottom: 6px; font-size: 15px; }
.feature li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 900; }
.btn-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--navy); color: var(--white); text-decoration: none;
  font-weight: 800; font-size: 15px; padding: 12px 18px; border-radius: 8px;
}
.btn-link:hover { background: var(--accent); }
@media (max-width: 1000px) {
  .hero-bg::after { background: rgba(23,42,79,.9); }
  .feature { grid-template-columns: 1fr; gap: 24px; }
}
.form-alert.info { background: #F0FDF4; border-color: #BBF7D0; color: #166534; }