/* ============================================================
   FuturaBI — Landing
   Estilo: flat, minimalista, fintech moderno
   ============================================================ */

:root {
  --green:        #1D9E75;
  --green-dark:   #04342C;
  --green-deep:   #022620;
  --bg:           #F7F9F6;
  --surface:      #FFFFFF;
  --ink:          #0E2B25;
  --ink-soft:     #4A5C57;
  --ink-mute:     #788A85;
  --line:         #E4EAE6;
  --line-dark:    rgba(255,255,255,.12);
  --green-tint:   #E8F4EF;

  --radius:       16px;
  --radius-sm:    10px;
  --maxw:         1140px;
  --shadow:       0 1px 2px rgba(4,52,44,.04), 0 8px 24px rgba(4,52,44,.06);

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: 96px 0; }
.section.dark { background: var(--green-dark); color: #EAF3EF; }

/* ---------- Typography ---------- */
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.15rem; font-weight: 700; }
.dark h1, .dark h2, .dark h3 { color: #FFFFFF; }

.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--green); margin-bottom: 16px;
}
.eyebrow.on-dark { color: #5FD3A8; }
.eyebrow-center { display: block; }

.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 38ch; }

.section-head { max-width: 660px; margin: 0 auto 56px; text-align: center; }
.section-sub { margin-top: 14px; color: var(--ink-soft); font-size: 1.08rem; }
.section-sub.on-dark { color: #B6CFC6; }

.hl { color: var(--green); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .98rem; line-height: 1;
  padding: 14px 22px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .08s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: #178962; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.dark .btn-ghost { color: #fff; border-color: var(--line-dark); }
.dark .btn-ghost:hover { border-color: #5FD3A8; color: #5FD3A8; }
.btn-sm { padding: 10px 16px; font-size: .9rem; }
.btn-lg { padding: 16px 28px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,249,246,.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { border-radius: 8px; }
.brand-name { font-weight: 700; font-size: 1.15rem; letter-spacing: -.02em; color: var(--ink); }
.brand-name strong { color: var(--green); font-weight: 800; }
.brand-name.on-dark { color: #fff; }
.brand-name.on-dark strong { color: #5FD3A8; }

.nav-desktop { display: flex; gap: 28px; margin-left: auto; }
.nav-desktop a { font-size: .95rem; font-weight: 500; color: var(--ink-soft); transition: color .15s; }
.nav-desktop a:hover { color: var(--green); }
.nav-cta { margin-left: 28px; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile { display: none; flex-direction: column; gap: 4px; padding: 12px 24px 24px; background: var(--bg); border-bottom: 1px solid var(--line); }
.nav-mobile a { padding: 12px 4px; font-weight: 500; color: var(--ink-soft); border-bottom: 1px solid var(--line); }
.nav-mobile a.btn { color: #fff; border: none; margin-top: 10px; justify-content: center; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero-copy h1 { margin-bottom: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 24px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 20px; }
.hero-points li { display: flex; align-items: center; gap: 8px; font-size: .92rem; color: var(--ink-soft); font-weight: 500; }

.check {
  width: 18px; height: 18px; border-radius: 50%; background: var(--green-tint);
  position: relative; flex-shrink: 0;
}
.check::after {
  content: ""; position: absolute; left: 6px; top: 3px;
  width: 4px; height: 8px; border: solid var(--green); border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ---------- Hero mockup ---------- */
.hero-visual { position: relative; }
.mock-window {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(4,52,44,.12); overflow: hidden;
}
.mock-topbar { display: flex; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: #FBFCFB; }
.mock-topbar .dot { width: 11px; height: 11px; border-radius: 50%; background: #D9E2DD; }
.mock-topbar .dot:nth-child(1){ background:#F4B9B0;} .mock-topbar .dot:nth-child(2){ background:#F6D79A;} .mock-topbar .dot:nth-child(3){ background:#A9D9C4;}
.mock-body { display: grid; grid-template-columns: 56px 1fr; min-height: 320px; }
.mock-side { background: var(--green-dark); padding: 18px 12px; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.mock-side-logo { width: 26px; height: 26px; border-radius: 7px; background: var(--green); margin-bottom: 6px; }
.mock-nav { width: 24px; height: 24px; border-radius: 7px; background: rgba(255,255,255,.12); }
.mock-nav.active { background: var(--green); }
.mock-main { padding: 22px; display: flex; flex-direction: column; gap: 18px; }

.mock-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.mock-kpi { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: flex; flex-direction: column; gap: 8px; position: relative; }
.kpi-label { width: 70%; height: 7px; border-radius: 4px; background: #DDE6E1; }
.kpi-num { width: 85%; height: 13px; border-radius: 4px; background: #C2D2CB; }
.kpi-up, .kpi-down { position: absolute; top: 12px; right: 12px; font-size: .7rem; }
.kpi-up { color: var(--green); } .kpi-down { color: #D9776B; }

.mock-charts { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; flex: 1; }
.mock-bars { display: flex; align-items: flex-end; gap: 10px; padding: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; }
.mock-bars .bar { flex: 1; height: var(--h); min-height: 14px; background: #BFE0D2; border-radius: 5px 5px 2px 2px; }
.mock-bars .bar.tall { background: var(--green); }
.mock-donut { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.donut {
  width: 86px; height: 86px; border-radius: 50%;
  background: conic-gradient(var(--green) 0 46%, #6FC9A6 46% 74%, #BFE0D2 74% 100%);
  -webkit-mask: radial-gradient(circle 26px at center, transparent 98%, #000 100%);
          mask: radial-gradient(circle 26px at center, transparent 98%, #000 100%);
}
.donut-legend { width: 100%; height: 6px; border-radius: 4px; background: #DDE6E1; }
.donut-legend:nth-child(3){ width: 70%; } .donut-legend:nth-child(4){ width: 84%; }

.hero-badge {
  position: absolute; left: -14px; bottom: -18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; font-size: .85rem; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 8px;
}
.badge-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-tint); }

/* ---------- Cards grid ---------- */
.cards-grid { display: grid; gap: 20px; }
.problems { grid-template-columns: repeat(4, 1fr); }
.features { grid-template-columns: repeat(3, 1fr); }
.diffs    { grid-template-columns: repeat(2, 1fr); }
.testimonials { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}

/* Problem cards */
.problem-card { transition: transform .15s ease, border-color .15s ease; }
.problem-card:hover { transform: translateY(-3px); border-color: #CFE3DA; }
.problem-icon { font-size: 1.7rem; display: block; margin-bottom: 14px; }
.problem-card h3 { margin-bottom: 8px; color: var(--ink); }
.problem-card p { color: var(--ink-soft); font-size: .95rem; }

/* Feature cards */
.feature-card { transition: transform .15s ease, border-color .15s ease; }
.feature-card:hover { transform: translateY(-3px); border-color: #CFE3DA; }
.feature-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green-tint); color: var(--green); margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-size: .95rem; }

/* Diffs */
.diff { display: flex; gap: 18px; align-items: flex-start; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.diff-icon { font-size: 1.7rem; line-height: 1; flex-shrink: 0; }
.diff h3 { margin-bottom: 6px; }
.diff p { color: var(--ink-soft); font-size: .95rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step {
  background: rgba(255,255,255,.04); border: 1px solid var(--line-dark);
  border-radius: var(--radius); padding: 32px 28px; position: relative;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--green); color: #fff; font-weight: 800; font-size: 1.2rem; margin-bottom: 20px;
}
.step h3 { color: #fff; margin-bottom: 10px; }
.step p { color: #B6CFC6; font-size: .96rem; }

/* ---------- Testimonials placeholder ---------- */
.testimonial { display: flex; flex-direction: column; }
.testimonial.placeholder { border-style: dashed; background: transparent; box-shadow: none; }
.quote-mark { font-size: 3rem; line-height: .6; color: var(--green-tint); font-weight: 800; margin-bottom: 6px; }
.t-text { color: var(--ink-mute); font-style: italic; flex: 1; margin-bottom: 22px; }
.t-author { display: flex; align-items: center; gap: 12px; }
.t-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--green-tint); flex-shrink: 0; }
.t-meta { display: flex; flex-direction: column; gap: 7px; flex: 1; }
.t-line { height: 8px; border-radius: 4px; background: var(--line); width: 60%; }
.t-line.short { width: 40%; }

/* ---------- Demo / CTA ---------- */
.demo-grid { display: grid; grid-template-columns: 1fr 460px; gap: 56px; align-items: center; }
.demo-points { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.demo-points li { display: flex; align-items: center; gap: 10px; color: #D6E6DF; font-size: .98rem; }
.demo-points .check { background: rgba(95,211,168,.22); }
.demo-points .check::after { border-color: #5FD3A8; }

/* ---- Contacto directo (sobre fondo oscuro, sin tarjeta) ---- */
.contact-card { padding: 0; }
.contact-intro { font-size: .95rem; color: #B6CFC6; margin-bottom: 18px; }

.contact-text { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.contact-text strong { color: #fff; font-size: 1rem; }
.contact-text span { color: #93B0A7; font-size: .9rem; }

/* WhatsApp — canal destacado */
.contact-wa {
  display: flex; align-items: center; gap: 16px;
  background: var(--green); border-radius: var(--radius-sm);
  padding: 18px 20px;
  box-shadow: 0 10px 30px rgba(29,158,117,.28);
  transition: background .18s ease, transform .08s ease, box-shadow .18s ease;
}
.contact-wa:hover { background: #23B083; box-shadow: 0 14px 36px rgba(29,158,117,.38); }
.contact-wa:active { transform: translateY(1px); }
.contact-wa .contact-wa-ico {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.18); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.contact-wa .contact-wa-ico svg { width: 26px; height: 26px; }
.contact-wa .contact-text strong { color: #fff; font-size: 1.08rem; }
.contact-wa .contact-text span { color: rgba(255,255,255,.88); }
.contact-wa .contact-arrow { margin-left: auto; color: #fff; font-size: 1.25rem; font-weight: 700; transition: transform .18s ease; }
.contact-wa:hover .contact-arrow { transform: translateX(3px); }

/* Teléfono y correo — secundarios, translúcidos sobre el verde oscuro */
.contact-secondary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.contact-item {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark); border-radius: var(--radius-sm);
  padding: 14px 15px; transition: border-color .15s ease, background .15s ease;
}
.contact-item:hover { border-color: rgba(95,211,168,.55); background: rgba(255,255,255,.07); }
.contact-item-ico {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px;
  background: rgba(95,211,168,.14); color: #5FD3A8;
  display: flex; align-items: center; justify-content: center;
}
.contact-item-ico svg { width: 20px; height: 20px; }
.contact-item .contact-text strong { font-size: .92rem; }
.contact-item .contact-text span { font-size: .82rem; word-break: break-word; }

.contact-note { margin-top: 18px; font-size: .82rem; color: #7A968D; text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-deep); color: #B6CFC6; padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid var(--line-dark); }
.footer-tagline { margin-top: 14px; font-size: .92rem; max-width: 32ch; color: #93B0A7; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; align-content: flex-start; }
.footer-links a { font-size: .92rem; color: #B6CFC6; transition: color .15s; }
.footer-links a:hover { color: #5FD3A8; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: .85rem; color: #7A968D; }
.footer-credit a { color: #5FD3A8; font-weight: 600; transition: color .15s; }
.footer-credit a:hover { color: #8AE3C2; text-decoration: underline; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .hero-visual { max-width: 560px; margin-inline: auto; width: 100%; }
  .demo-grid { grid-template-columns: 1fr; gap: 40px; }
  .problems { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .steps { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .nav-desktop, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile.open { display: flex; }
  .diffs { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 28px; }
}

@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .problems, .features { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .mock-charts { grid-template-columns: 1fr; }
  .mock-donut { display: none; }
  .hero-badge { left: 8px; bottom: -16px; font-size: .78rem; padding: 10px 13px; }
}

/* ---------- Reveal animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.visible { opacity: 1; transform: none; }
}