/* ════════════════════════════════════════════════════════════
   ZYGNALS · DESIGN SYSTEM
   ════════════════════════════════════════════════════════════ */

:root {
  --bg: #ffffff;
  --bg-soft: #f9f9f9;
  --bg-faint: #f3f3f3;
  --ink: #181818;
  --ink-2: #2b2b2b;
  --ink-3: #6b6b6b;
  --ink-4: #a4a4a4;
  --line: #e6e6e6;
  --line-2: #d6d6d6;
  --accent: #38b6ff;
  --accent-2: #0ea5e9;
  --accent-3: #e0f4ff;
  --dark: #0a0a0a;
  --dark-2: #141414;
  --dark-3: #1f1f1f;
  --dark-line: #262626;

  --maxw: 1280px;
  --gutter: 32px;
  --radius: 14px;
  --radius-lg: 22px;

  --font-display: "Poppins", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --shadow-1: 0 1px 2px rgba(24, 24, 24, 0.04), 0 8px 24px -8px rgba(24, 24, 24, 0.08);
  --shadow-2: 0 1px 2px rgba(24, 24, 24, 0.04), 0 30px 60px -20px rgba(24, 24, 24, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
em { font-style: normal; color: var(--accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
}
::selection { background: var(--accent); color: #fff; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.mono { font-family: var(--font-mono); letter-spacing: 0.04em; font-weight: 500; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-1);
}
.btn--primary:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -10px rgba(56, 182, 255, 0.6);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--ghost:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}
.btn--block { width: 100%; justify-content: center; }

/* ── BRAND IMAGE ─────────────────────────────────── */
.brand__img {
  display: block;
  height: 28px;
  width: auto;
}
.foot__logo img {
  display: block;
  height: 36px;
  width: auto;
}

/* ── BRAND MARK (inline fallback) ──────────────── */
.brand__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-stretch: condensed;
  font-style: italic;
  display: inline-block;
}
.brand__mark .a,
.a { color: var(--accent); }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--ink-3);
}
.nav__links a {
  position: relative;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav__links a:hover::after { transform: scaleX(1); }
@media (max-width: 880px) {
  .nav__links { display: none; }
}

/* ── KICKERS & TITLES ────────────────────────────────────── */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  color: var(--ink-3);
  background: #fff;
  margin-bottom: 36px;
}
.kicker--light {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
}
.kicker__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(56, 182, 255, 0.15);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(56, 182, 255, 0.15); }
  50% { box-shadow: 0 0 0 8px rgba(56, 182, 255, 0.05); }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin: 0 0 32px;
  text-wrap: balance;
}
.section-title--light { color: #fff; }
.section-sub {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--ink-3);
  max-width: 720px;
  margin: 0 0 56px;
}
.section-title strong, .section-sub strong { font-weight: 600; color: var(--ink); }
.section-title--light strong, .path .section-title--light em { color: var(--accent); }

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 80px 0 120px;
  overflow: hidden;
  background: #fff;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(24, 24, 24, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24, 24, 24, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 70% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 30%, transparent 75%);
  pointer-events: none;
}
.hero__orb {
  position: absolute;
  right: -160px;
  top: 40px;
  width: 640px;
  height: 640px;
  pointer-events: none;
  filter: blur(0.2px);
}
.orb__core {
  position: absolute;
  inset: 38%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #6fcfff, #38b6ff 50%, #0ea5e9 100%);
  box-shadow: 0 0 80px rgba(56, 182, 255, 0.5), inset 0 0 60px rgba(255, 255, 255, 0.5);
  animation: float 8s ease-in-out infinite;
}
.orb__ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(56, 182, 255, 0.25);
  border-radius: 50%;
}
.orb__ring--1 { animation: spin 22s linear infinite; }
.orb__ring--2 { inset: 12%; border-color: rgba(56, 182, 255, 0.18); animation: spin 16s linear infinite reverse; }
.orb__ring--3 { inset: 24%; border-color: rgba(56, 182, 255, 0.12); animation: spin 10s linear infinite; border-style: dashed; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.hero__inner {
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  font-size: 11px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-1);
}
.hero__badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
  animation: pulse 2s ease-in-out infinite;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 132px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.hero__title em { font-style: italic; color: var(--accent); font-weight: 500; }
.hero__sub {
  font-size: clamp(18px, 1.7vw, 22px);
  color: var(--ink-3);
  max-width: 640px;
  line-height: 1.45;
  margin: 0 0 40px;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.stat {
  padding-right: 24px;
  border-right: 1px solid var(--line);
  padding-left: 24px;
}
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: none; }
.stat__num {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat__num span {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.7em;
  margin-left: 2px;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

@media (max-width: 880px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .stat { padding: 0; border: none; }
  .hero__orb { width: 400px; height: 400px; right: -200px; top: 80px; opacity: 0.6; }
}

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--ink-4);
}
.hero__scroll-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, var(--ink-4) 50%, transparent 50%);
  background-size: 8px 1px;
  animation: dash 1.6s linear infinite;
}
@keyframes dash { to { background-position: 40px 0; } }

/* ════════════════════════════════════════════════════════════
   PROBLEMA
   ════════════════════════════════════════════════════════════ */
.problem { padding: 120px 0; background: var(--bg-soft); }
.problems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.problem-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.problem-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: var(--shadow-2);
}
.problem-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.problem-card:hover::after { transform: scaleX(1); }
.problem-card__num {
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 28px;
}
.problem-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.2;
}
.problem-card p {
  color: var(--ink-3);
  margin: 0;
  line-height: 1.55;
  font-size: 15px;
}
@media (max-width: 880px) {
  .problems { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   OFERTA
   ════════════════════════════════════════════════════════════ */
.offer { padding: 140px 0; background: #fff; }
.offer__hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: start;
  margin-top: 24px;
}
.offer__browser {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.browser__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-faint);
}
.browser__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--line-2);
}
.browser__dot:first-child { background: #ff5f57; }
.browser__dot:nth-child(2) { background: #ffbd2e; }
.browser__dot:nth-child(3) { background: #28c840; }
.browser__url {
  margin-left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-3);
  background: #fff;
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 6px;
  flex: 0 1 auto;
}
.browser__url i { font-style: normal; color: var(--ink-4); }
.browser__body { padding: 40px 36px 36px; min-height: 460px; position: relative; }

.mock__brand {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.mock__title {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 14px;
}
.mock__copy {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0 0 24px;
  max-width: 440px;
}
.mock__copy span { color: var(--accent); font-weight: 500; }

.mock__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  padding: 6px 12px;
  background: var(--accent-3);
  color: var(--accent-2);
  border-radius: 999px;
  margin-bottom: 24px;
}
.mock__pill .pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s infinite;
}

.mock__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: #fff;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 28px;
}

.mock__progress {
  width: 100%;
  height: 3px;
  background: var(--bg-faint);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 20px;
}
.mock__progress span {
  display: block;
  height: 100%;
  width: 60%;
  background: var(--accent);
  border-radius: 999px;
  animation: progress 4s ease-in-out infinite;
}
@keyframes progress {
  0% { width: 5%; }
  60% { width: 75%; }
  100% { width: 92%; }
}

.mock__rows { display: grid; gap: 10px; }
.mock__rows > div {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-soft);
  border-radius: 8px;
  font-size: 13px;
}
.mock__rows .mono { font-size: 10px; color: var(--accent); }
.mock__rows i { font-style: normal; color: var(--ink-2); }

.offer__notes { display: flex; flex-direction: column; gap: 12px; }
.note {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.note:hover { transform: translateX(4px); border-color: var(--accent); }
.note__label {
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 8px;
}
.note__body {
  font-size: 16px;
  line-height: 1.45;
}
.note__body em { font-style: italic; }

@media (max-width: 980px) {
  .offer__hero { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   CÓMO FUNCIONA
   ════════════════════════════════════════════════════════════ */
.how {
  padding: 140px 0;
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.how::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
  pointer-events: none;
}
.how > .container { position: relative; z-index: 1; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 64px;
  position: relative;
}
.steps__line {
  position: absolute;
  top: 40px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.steps__line-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.steps.in-view .steps__line-fill { width: 100%; }

.step {
  position: relative;
  padding-top: 80px;
}
.step__num {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--dark-2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent);
  transition: all 0.4s ease;
}
.steps.in-view .step:nth-child(2) .step__num,
.steps.in-view .step:nth-child(3) .step__num,
.steps.in-view .step:nth-child(4) .step__num,
.steps.in-view .step:nth-child(5) .step__num {
  background: var(--accent);
  color: var(--dark);
  border-color: var(--accent);
}
.steps.in-view .step:nth-child(2) .step__num { transition-delay: 0s; }
.steps.in-view .step:nth-child(3) .step__num { transition-delay: 0.3s; }
.steps.in-view .step:nth-child(4) .step__num { transition-delay: 0.6s; }
.steps.in-view .step:nth-child(5) .step__num { transition-delay: 0.9s; }
.step h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.step p {
  font-size: 15px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}
@media (max-width: 880px) {
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .steps__line { display: none; }
}

/* ════════════════════════════════════════════════════════════
   COMPARACIÓN
   ════════════════════════════════════════════════════════════ */
.compare { padding: 140px 0; background: var(--bg-soft); }
.compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.compare__col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.compare__col--bad { opacity: 0.85; }
.compare__col--good {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}
.compare__col--good::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 182, 255, 0.4), transparent 60%);
  pointer-events: none;
}
.compare__head { margin-bottom: 28px; position: relative; }
.compare__tag {
  font-size: 10px;
  color: var(--ink-4);
  margin-bottom: 12px;
  display: inline-block;
}
.compare__tag--good { color: var(--accent); }
.compare__head h3 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}
.compare__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.compare__col li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  font-size: 15px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.45;
}
.compare__col--good li { border-color: rgba(255, 255, 255, 0.08); }
.compare__col li:last-child { border-bottom: none; padding-bottom: 0; }
.x { color: #d6453f; font-weight: 600; }
.check { color: var(--accent); font-weight: 700; }
@media (max-width: 880px) {
  .compare__grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   VERTICALES
   ════════════════════════════════════════════════════════════ */
.verticals { padding: 140px 0; background: #fff; }
.vert-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.vert-tab {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  color: var(--ink-3);
  transition: all 0.2s ease;
}
.vert-tab:hover { color: var(--ink); border-color: var(--ink-3); }
.vert-tab.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.vert-panels { position: relative; min-height: 320px; }
.vert-panel {
  display: none;
  padding: 48px;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  animation: fadeIn 0.4s ease;
}
.vert-panel.is-active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.vert-panel__meta {
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 16px;
}
.vert-panel h3 {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 32px;
  max-width: 720px;
  line-height: 1.1;
}
.vert-panel__tests {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.vert-panel__tests span {
  padding: 12px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: default;
}
.vert-panel__tests span:hover {
  border-color: var(--accent);
  background: var(--accent-3);
  color: var(--accent-2);
}

/* ════════════════════════════════════════════════════════════
   CALCULADORA
   ════════════════════════════════════════════════════════════ */
.calc {
  padding: 140px 0;
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.calc::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(56,182,255,0.15), transparent 50%);
  pointer-events: none;
}
.calc > .container { position: relative; z-index: 1; }

.calc__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  margin-top: 24px;
  align-items: start;
}
.calc__controls {
  display: grid;
  gap: 28px;
  padding: 36px;
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
}
.calc__field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.calc__field-head label {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}
.calc__field-head output {
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.calc__field input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  height: 4px;
}
.calc__field input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(to right, var(--accent) var(--fill, 0%), rgba(255,255,255,0.1) var(--fill, 0%));
  border-radius: 2px;
}
.calc__field input[type="range"]::-moz-range-track {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
}
.calc__field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  margin-top: -7px;
  border: 2px solid var(--accent);
  cursor: grab;
  box-shadow: 0 4px 14px rgba(56,182,255,0.4);
  transition: transform 0.15s ease;
}
.calc__field input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.15); }
.calc__field input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  border: 2px solid var(--accent);
  cursor: grab;
}
.calc__field-foot {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  margin-top: 8px;
}

.calc__result {
  padding: 40px;
  background: linear-gradient(180deg, var(--dark-2), var(--dark-3));
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.calc__result::before {
  content: "";
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(56,182,255,0.15), transparent 40%);
  pointer-events: none;
}
.calc__result-label {
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 16px;
  position: relative;
}
.calc__result-amount {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 14px;
  position: relative;
  font-variant-numeric: tabular-nums;
}
.calc__result-amount .dollar {
  color: var(--accent);
  margin-right: 4px;
}
.calc__result-foot {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
  position: relative;
}
.calc__breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  margin-bottom: 24px;
  position: relative;
}
.calc__breakdown > div { display: flex; flex-direction: column; gap: 6px; }
.calc__breakdown .mono { font-size: 10px; color: rgba(255,255,255,0.5); }
.calc__breakdown strong {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.calc__disclaimer {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-display);
  position: relative;
}

.calc__scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.scenario {
  padding: 22px 24px;
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  text-align: left;
  font-family: inherit;
  color: #fff;
  transition: all 0.2s ease;
}
.scenario:hover { border-color: rgba(56,182,255,0.5); }
.scenario.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}
.scenario span {
  font-size: 10px;
  display: block;
  margin-bottom: 8px;
  opacity: 0.7;
}
.scenario strong {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  display: block;
}
.scenario strong i { font-style: normal; font-size: 13px; opacity: 0.6; font-weight: 500; }

@media (max-width: 980px) {
  .calc__grid { grid-template-columns: 1fr; }
  .calc__scenarios { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   MOTOR MENSUAL
   ════════════════════════════════════════════════════════════ */
.engine { padding: 140px 0; background: #fff; }
.engine__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.engine__pills {
  display: grid;
  gap: 12px;
  margin: 32px 0 40px;
}
.engine__pill {
  padding: 20px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.engine__pill-head {
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 8px;
}
.engine__pill p { margin: 0; font-size: 15px; line-height: 1.45; }
.engine__hook {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.engine__hook em { font-style: italic; }

.engine__viz {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 40px 32px 24px;
  position: relative;
  overflow: hidden;
}
.engine__viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 8.333% 100%;
  pointer-events: none;
}
.months {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: end;
  gap: 6px;
  height: 280px;
  position: relative;
}
.month {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  height: 100%;
  justify-content: end;
}
.month .mono {
  font-size: 9px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0;
}
.month__bar {
  width: 100%;
  height: var(--h, 30%);
  background: linear-gradient(to top, rgba(56,182,255,0.2), var(--accent));
  border-radius: 4px 4px 0 0;
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.engine__viz.in-view .month__bar { transform: scaleY(1); }
.engine__viz.in-view .month:nth-child(1) .month__bar { transition-delay: 0.05s; }
.engine__viz.in-view .month:nth-child(2) .month__bar { transition-delay: 0.1s; }
.engine__viz.in-view .month:nth-child(3) .month__bar { transition-delay: 0.15s; }
.engine__viz.in-view .month:nth-child(4) .month__bar { transition-delay: 0.2s; }
.engine__viz.in-view .month:nth-child(5) .month__bar { transition-delay: 0.25s; }
.engine__viz.in-view .month:nth-child(6) .month__bar { transition-delay: 0.3s; }
.engine__viz.in-view .month:nth-child(7) .month__bar { transition-delay: 0.35s; }
.engine__viz.in-view .month:nth-child(8) .month__bar { transition-delay: 0.4s; }
.engine__viz.in-view .month:nth-child(9) .month__bar { transition-delay: 0.45s; }
.engine__viz.in-view .month:nth-child(10) .month__bar { transition-delay: 0.5s; }
.engine__viz.in-view .month:nth-child(11) .month__bar { transition-delay: 0.55s; }
.engine__viz.in-view .month:nth-child(12) .month__bar { transition-delay: 0.6s; }

.month__bar.is-now { box-shadow: 0 0 24px rgba(56,182,255,0.6); }
.month__t {
  font-size: 0;
  color: rgba(255,255,255,0.5);
}
.months__axis {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 10px;
  color: rgba(255,255,255,0.4);
}

@media (max-width: 980px) {
  .engine__grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ════════════════════════════════════════════════════════════
   SPLIT (QUIÉN HACE QUÉ)
   ════════════════════════════════════════════════════════════ */
.split { padding: 140px 0; background: var(--bg-soft); }
.split__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}
.split__col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.split__col--us {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  position: relative;
  overflow: hidden;
}
.split__col--us::before {
  content: "";
  position: absolute;
  bottom: -200px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(56,182,255,0.25), transparent 60%);
  pointer-events: none;
}
.split__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.split__col--us .split__head { border-color: rgba(255,255,255,0.1); }
.split__tag { font-size: 11px; color: var(--ink-3); }
.split__tag--us { color: var(--accent); }
.split__count {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink-4);
}
.split__col--us .split__count { color: var(--accent); }
.split__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.split__col li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  font-size: 15px;
  align-items: start;
  line-height: 1.45;
  position: relative;
}
.check--blue { color: var(--accent); }
@media (max-width: 880px) {
  .split__grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   WHY
   ════════════════════════════════════════════════════════════ */
.why { padding: 140px 0; background: #fff; }
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.why-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all 0.3s ease;
}
.why-card:hover {
  background: #fff;
  border-color: var(--ink);
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}
.why-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 28px;
  transition: all 0.3s ease;
}
.why-card:hover .why-card__icon {
  background: var(--ink);
  color: var(--accent);
  border-color: var(--ink);
}
.why-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.2;
}
.why-card p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}
.why-card p strong { color: var(--ink); }
@media (max-width: 880px) {
  .why__grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   WHO
   ════════════════════════════════════════════════════════════ */
.who { padding: 140px 0; background: var(--bg-soft); }
.who__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.who-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.who-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.who-card::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 100px; height: 100px;
  background: radial-gradient(circle, rgba(56,182,255,0.1), transparent 70%);
}
.who-card__num {
  font-size: 64px;
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1;
  margin-bottom: 16px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.who-card__num span { color: var(--accent); }
.who-card__label {
  font-size: 11px;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.who-card p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}

.who__note {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}
.who__note .mono {
  font-size: 11px;
  color: var(--accent);
  background: rgba(56,182,255,0.1);
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.who__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: rgba(255,255,255,0.85);
}
.who__note strong { color: #fff; }

@media (max-width: 880px) {
  .who__grid { grid-template-columns: 1fr; }
  .who__note { flex-direction: column; align-items: flex-start; }
}

/* ════════════════════════════════════════════════════════════
   PATH
   ════════════════════════════════════════════════════════════ */
.path {
  padding: 140px 0;
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.path::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(56,182,255,0.12), transparent 60%);
}
.path > .container { position: relative; z-index: 1; }

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.tl-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.tl-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.tl-card--peak {
  background: linear-gradient(160deg, var(--dark-2), rgba(56,182,255,0.1));
  border-color: rgba(56,182,255,0.3);
}
.tl-card__phase {
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 24px;
}
.tl-card__amount {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.tl-card__label {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}
.tl-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
  margin: 0;
}

.path__summary {
  margin-top: 40px;
  padding: 24px 28px;
  text-align: center;
  background: rgba(56,182,255,0.08);
  border: 1px solid rgba(56,182,255,0.25);
  border-radius: var(--radius);
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}
.path__summary strong { color: var(--accent); font-size: 16px; }

@media (max-width: 880px) {
  .timeline { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   FAQ
   ════════════════════════════════════════════════════════════ */
.faq { padding: 140px 0; background: #fff; }
.faq__list { margin-top: 32px; max-width: 880px; }
.faq-item {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  transition: all 0.2s ease;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  cursor: pointer;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.015em;
  position: relative;
  padding-right: 40px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  transition: all 0.25s ease;
}
.faq-item[open] summary::after {
  content: "−";
  background: var(--accent);
  color: #fff;
  transform: translateY(-50%) rotate(180deg);
}
.faq-item p {
  margin: 16px 0 0;
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.6;
  max-width: 720px;
}

/* ════════════════════════════════════════════════════════════
   CTA
   ════════════════════════════════════════════════════════════ */
.cta {
  padding: 140px 0;
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(56,182,255,0.18), transparent 60%);
  pointer-events: none;
}
.cta__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
}
.cta__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin: 0 0 32px;
  color: #fff;
  text-wrap: balance;
}
.cta__title em { color: var(--accent); font-style: italic; font-weight: 500; }
.cta__sub {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  max-width: 540px;
  margin: 0 0 32px;
}
.cta__perks {
  display: flex;
  gap: 24px;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  flex-wrap: wrap;
}
.cta__perks span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cta__perks .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.cta__form {
  background: #fff;
  color: var(--ink);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.5);
  display: grid;
  gap: 16px;
}
.form__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.form__step { font-size: 11px; color: var(--accent); }
.form__head h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}
.field { display: grid; gap: 6px; }
.field span {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 500;
}
.field input, .field select {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  transition: all 0.2s ease;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,182,255,0.15);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form__legal {
  font-size: 10px;
  color: var(--ink-4);
  text-align: center;
  margin: 4px 0 0;
}

@media (max-width: 980px) {
  .cta__grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.foot {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 32px;
  border-top: 1px solid var(--dark-line);
}
.foot__inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 48px;
  margin-bottom: 64px;
}
.foot__brand .brand__mark { color: #fff; font-size: 32px; }
.foot__brand p {
  margin: 16px 0 0;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  max-width: 320px;
}
.foot__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.foot__cols > div { display: flex; flex-direction: column; gap: 10px; }
.foot__h { font-size: 11px; color: rgba(255,255,255,0.4); margin-bottom: 8px; }
.foot__cols a {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s ease;
}
.foot__cols a:hover { color: var(--accent); }
.foot__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--dark-line);
  font-size: 10px;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 880px) {
  .foot__inner { grid-template-columns: 1fr; gap: 32px; }
  .foot__cols { grid-template-columns: repeat(2, 1fr); }
  .foot__bottom { flex-direction: column; gap: 8px; }
}

/* ════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
   ════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}