/* ============================================================================
   CalculaTuFuturo · Design System
   Inspirado en Apple · Trade Republic · TradingView
   Autor: Equipo senior (UX Stripe / Front Vercel / SEO Ahrefs)
   ----------------------------------------------------------------------------
   Estructura del archivo:
     1.  Reset & base
     2.  Design tokens (variables CSS · claro/oscuro)
     3.  Tipografía
     4.  Layout (container, grid, secciones)
     5.  Navbar
     6.  Botones
     7.  Tarjetas glassmorphism
     8.  Hero
     9.  Formularios de calculadora
     10. Resultados / KPIs / tablas
     11. Bloques AdSense
     12. Footer
     13. Animaciones
     14. Utilidades
     15. Responsive
   ========================================================================== */

/* ====== 1. RESET & BASE ================================================== */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

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

img, svg, canvas { display: block; max-width: 100%; }

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

/* Respeta usuarios que prefieren menos movimiento (accesibilidad + CWV) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ====== 2. DESIGN TOKENS ================================================= */
:root {
  /* Paleta de marca */
  --brand-1: #10b981;   /* esmeralda · acento dominante */
  --brand-2: #34d399;   /* esmeralda claro · secundario */
  --brand-grad: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --positive: #10b981;  /* verde esmeralda refinado */
  --negative: #f43f5e;  /* rojo contenido (no neón) */
  --warning:  #f5a623;

  /* Tema oscuro (por defecto) · negro elegante */
  --bg:        #050506;
  --bg-soft:   #0c0d0f;
  --bg-elev:   #121317;
  --glass-bg:  rgba(255, 255, 255, .045);
  --glass-brd: rgba(255, 255, 255, .09);
  --glass-hi:  rgba(255, 255, 255, .13);
  --text:      #f6f7f9;
  --text-soft: #a7adb8;
  --text-mut:  #6b7280;
  --border:    rgba(255, 255, 255, .07);
  --input-bg:  rgba(255, 255, 255, .035);
  --shadow:    0 32px 70px -24px rgba(0, 0, 0, .85);
  --shadow-sm: 0 14px 34px -14px rgba(0, 0, 0, .8);

  /* Escala tipográfica (fluida) */
  --fs-display: clamp(2.6rem, 6vw, 4.6rem);
  --fs-h1: clamp(2rem, 4.4vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.3rem);
  --fs-h3: 1.25rem;
  --fs-body: 1.0625rem;
  --fs-sm: .9rem;
  --fs-xs: .8rem;

  /* Espaciado y radios */
  --radius:    20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --maxw: 1180px;
  --gap: clamp(1rem, 2.5vw, 1.75rem);

  /* Cuerpo: fuente del sistema (sin Inter ni Roboto) → 0 layout shift, máxima velocidad */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-num: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  /* Titulares: Geist (Vercel) — display con carácter, ni Inter ni Roboto */
  --font-display: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Tema claro */
[data-theme="light"] {
  --bg:        #f5f7fb;
  --bg-soft:   #ffffff;
  --bg-elev:   #ffffff;
  --glass-bg:  rgba(255, 255, 255, .82);
  --glass-brd: rgba(15, 23, 42, .08);
  --glass-hi:  rgba(15, 23, 42, .12);
  --text:      #0f172a;
  --text-soft: #475569;
  --text-mut:  #94a3b8;
  --border:    rgba(15, 23, 42, .10);
  --input-bg:  rgba(15, 23, 42, .03);
  --shadow:    0 24px 60px -24px rgba(15, 23, 42, .25);
  --shadow-sm: 0 10px 28px -16px rgba(15, 23, 42, .22);
}

/* ====== 3. TIPOGRAFÍA ==================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -.011em;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
}

/* Fondo con halos sutiles (estilo Trade Republic) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(70rem 70rem at 82% -12%, rgba(22, 199, 132, .07), transparent 62%),
    radial-gradient(55rem 55rem at -12% 8%, rgba(255, 255, 255, .035), transparent 58%);
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -.032em; font-weight: 700; }
.hero-copy h1, .lamp h2, .teaser h2, .section-head h2 { font-weight: 800; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -.02em; }
p  { color: var(--text-soft); }

.text-grad {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ====== 4. LAYOUT ======================================================= */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(2rem, 5vw, 3.2rem); }
.section-head .eyebrow { color: var(--brand-2); font-weight: 600; font-size: var(--fs-sm); letter-spacing: .04em; text-transform: uppercase; }
.section-head h2 { margin: .5rem 0 .75rem; }
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ====== 5. NAVBAR ======================================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; letter-spacing: -.02em; font-size: 1.12rem; }
.brand-mark { position: relative; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; color: #04241a; font-family: var(--font-display); font-weight: 800; font-size: 1.02rem; overflow: hidden;
  background: linear-gradient(150deg, #34d399 0%, #10b981 55%, #0e9f74 100%);
  box-shadow: 0 7px 18px -5px rgba(16,185,129,.6), inset 0 1px 0 rgba(255,255,255,.5), inset 0 -3px 5px rgba(0,0,0,.2); }
.brand-mark::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(180deg, rgba(255,255,255,.4), transparent 46%); pointer-events: none; }
.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a { padding: .5rem .8rem; border-radius: 10px; color: var(--text-soft); font-size: var(--fs-sm); font-weight: 500; transition: color .2s, background .2s; cursor: pointer; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--glass-bg); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }

/* Botón tema */
.theme-toggle { width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--border); background: var(--glass-bg); display: grid; place-items: center; cursor: pointer; transition: background .2s, transform .2s; }
.theme-toggle:hover { background: var(--glass-hi); }
.theme-toggle:active { transform: scale(.94); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
[data-theme="light"] .theme-toggle .sun { display: block; }
[data-theme="light"] .theme-toggle .moon { display: none; }

/* Menú móvil */
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--border); background: var(--glass-bg); cursor: pointer; place-items: center; }
.nav-toggle svg { width: 20px; height: 20px; }

/* ====== 6. BOTONES ====================================================== */
.btn { --pad: .85rem 1.5rem; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: var(--pad); border-radius: 14px; font-weight: 600; font-size: var(--fs-body); cursor: pointer; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, opacity .2s; white-space: nowrap; }
.btn:active { transform: translateY(1px) scale(.99); }
/* Botón blanco principal (estilo Apple / referencia enviada) con flecha en círculo */
.btn-primary { background: #ffffff; color: #0a0b0d; padding-right: .6rem; box-shadow: 0 16px 40px -14px rgba(255, 255, 255, .35); }
.btn-primary:hover { box-shadow: 0 20px 50px -14px rgba(255, 255, 255, .5); transform: translateY(-2px); }
.btn-primary .arrow-circle { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #0a0b0d; color: #fff; transition: transform .25s ease; }
.btn-primary:hover .arrow-circle { transform: translateX(3px); }
.btn-primary .arrow-circle svg { width: 15px; height: 15px; }
[data-theme="light"] .btn-primary { background: #0a0b0d; color: #fff; box-shadow: var(--shadow-sm); }
[data-theme="light"] .btn-primary .arrow-circle { background: #fff; color: #0a0b0d; }

.btn-ghost { background: var(--glass-bg); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--glass-hi); }
.btn-lg { --pad: 1rem 1rem 1rem 1.8rem; font-size: 1.08rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---- Hero menu: 7 títulos subrayados que se despliegan al cargar ---- */
.hero-menu { display: flex; flex-direction: column; max-width: 880px; margin: 2.5rem auto 0; }
.hero-menu a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: clamp(.7rem, 2vw, 1.05rem) .25rem;
  font-size: clamp(1.55rem, 4.5vw, 2.7rem); font-weight: 700; letter-spacing: -.03em;
  color: var(--text-soft); border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(18px);
  transition: color .25s ease, padding-left .25s ease;
}
.hero-menu.unfold a { animation: unfoldItem .6s cubic-bezier(.22,.61,.36,1) forwards; }
.hero-menu a:hover { color: var(--text); padding-left: 1rem; }
.hero-menu a .idx { font-family: var(--font-num); font-size: var(--fs-sm); color: var(--text-mut); font-weight: 500; min-width: 2.4ch; }
.hero-menu a .go { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); display: grid; place-items: center; flex: none; transition: background .25s, color .25s, transform .25s; }
.hero-menu a:hover .go { background: #fff; color: #0a0b0d; transform: translateX(4px); }
.hero-menu a .go svg { width: 16px; height: 16px; }
.hero-menu a .title-txt { flex: 1; text-align: left; text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 6px; text-decoration-thickness: 2px; transition: text-decoration-color .25s; }
.hero-menu a:hover .title-txt { text-decoration-color: var(--positive); }
@keyframes unfoldItem { to { opacity: 1; transform: none; } }

/* ====== 7. TARJETAS GLASSMORPHISM ======================================= */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.3rem, 3vw, 2rem);
  position: relative;
  overflow: hidden;
}
.card::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, transparent, var(--glass-hi), transparent); }

/* Tarjeta de herramienta (home) con hover elegante */
.tool-card { display: flex; flex-direction: column; gap: .75rem; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, border-color .25s; }
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--glass-hi); }
.tool-icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(16,185,129,.18), rgba(45,212,191,.18)); color: var(--brand-2); }
.tool-icon svg { width: 24px; height: 24px; }
.tool-card h3 { margin-top: .2rem; }
.tool-card p { font-size: var(--fs-sm); }
.tool-card .arrow { margin-top: auto; color: var(--brand-2); font-weight: 600; font-size: var(--fs-sm); display: inline-flex; align-items: center; gap: .35rem; transition: gap .2s; }
.tool-card:hover .arrow { gap: .6rem; }

/* ====== 8. HERO ========================================================= */
.hero { position: relative; text-align: center; padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4rem); }
.hero .badge { display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .9rem; border-radius: 999px; background: var(--glass-bg); border: 1px solid var(--glass-brd); font-size: var(--fs-sm); color: var(--text-soft); margin-bottom: 1.5rem; }
.hero .badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--positive); box-shadow: 0 0 0 4px rgba(22,199,132,.18); }
.hero h1 { font-size: var(--fs-display); max-width: 16ch; margin-inline: auto; }
.hero .sub { font-size: clamp(1.05rem, 2.2vw, 1.35rem); color: var(--text-soft); max-width: 46ch; margin: 1.2rem auto 2rem; }
.hero-cta { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.hero-stats { display: flex; gap: clamp(1.5rem, 5vw, 3.5rem); justify-content: center; flex-wrap: wrap; margin-top: 3rem; }
.hero-stats .stat strong { display: block; font-size: 1.8rem; font-family: var(--font-num); letter-spacing: -.02em; }
.hero-stats .stat span { font-size: var(--fs-sm); color: var(--text-mut); }

/* Vista previa animada de calculadoras (marquee) */
.preview-strip { margin-top: 3.5rem; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); overflow: hidden; }
.preview-track { display: flex; gap: 1rem; width: max-content; animation: marquee 36s linear infinite; }
.preview-strip:hover .preview-track { animation-play-state: paused; }
.preview-chip { display: flex; align-items: center; gap: .6rem; padding: .7rem 1.1rem; border-radius: 14px; background: var(--glass-bg); border: 1px solid var(--glass-brd); white-space: nowrap; font-weight: 500; font-size: var(--fs-sm); }
.preview-chip svg { width: 18px; height: 18px; color: var(--brand-2); }

/* ====== 9. FORMULARIOS DE CALCULADORA =================================== */
.calc-layout { display: grid; grid-template-columns: 380px 1fr; gap: var(--gap); align-items: start; }
.field { margin-bottom: 1.1rem; }
.field label { display: flex; justify-content: space-between; align-items: center; font-size: var(--fs-sm); font-weight: 600; margin-bottom: .45rem; color: var(--text); }
.field label .hint { color: var(--text-mut); font-weight: 400; font-size: var(--fs-xs); }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .suffix { position: absolute; right: 14px; color: var(--text-mut); font-size: var(--fs-sm); pointer-events: none; }
input[type="number"], input[type="text"], select {
  width: 100%; padding: .8rem 1rem; border-radius: var(--radius-sm);
  background: var(--input-bg); border: 1px solid var(--border); color: var(--text);
  font-family: var(--font-num); font-size: 1rem; font-variant-numeric: tabular-nums;
  letter-spacing: -.01em; transition: border-color .2s, box-shadow .2s;
}
.kpi .value, tbody td, thead th, .device-screen-tag, .cselect-trigger { font-variant-numeric: tabular-nums; }
input:focus, select:focus { outline: none; border-color: var(--brand-1); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; background: var(--border); margin-top: .6rem; cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--brand-grad); border: 3px solid var(--bg-soft); box-shadow: var(--shadow-sm); cursor: pointer; }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border: 3px solid var(--bg-soft); border-radius: 50%; background: #2dd4bf; cursor: pointer; }

/* Área de texto (sugerencias) */
textarea { width: 100%; padding: .85rem 1rem; border-radius: var(--radius-sm); background: var(--input-bg); border: 1px solid var(--border); color: var(--text); font-family: var(--font-sans); font-size: 1rem; line-height: 1.5; resize: vertical; min-height: 110px; transition: border-color .2s, box-shadow .2s; }
textarea:focus { outline: none; border-color: var(--brand-1); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
textarea:disabled { opacity: .6; }

/* Flechas premium de los campos numéricos (sustituyen al spinner nativo) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.input-wrap.has-stepper input { padding-right: 46px; }
.num-stepper { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 3px; }
.num-stepper button {
  width: 28px; height: 17px; display: grid; place-items: center; border: 1px solid var(--glass-brd);
  border-radius: 7px; background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  color: var(--text-soft); cursor: pointer; transition: background .2s, color .2s, transform .12s, box-shadow .2s;
}
.num-stepper button:hover { background: var(--brand-grad); color: #04201a; border-color: transparent; box-shadow: 0 6px 16px -6px rgba(45,212,191,.6); }
.num-stepper button:active { transform: scale(.88); }
.num-stepper svg { width: 13px; height: 13px; }

/* Switch (toggle) */
.switch { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; }
.switch input { display: none; }
.switch .track { width: 44px; height: 26px; border-radius: 99px; background: var(--border); position: relative; transition: background .2s; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .22s; box-shadow: var(--shadow-sm); }
.switch input:checked + .track { background: var(--brand-1); }
.switch input:checked + .track::after { transform: translateX(18px); }

/* Segmented control (estilo Apple) */
.segmented { display: inline-flex; background: var(--input-bg); border: 1px solid var(--border); border-radius: 12px; padding: 4px; gap: 2px; }
.segmented button { border: none; background: transparent; color: var(--text-soft); padding: .45rem .9rem; border-radius: 9px; font-size: var(--fs-sm); font-weight: 600; cursor: pointer; transition: background .2s, color .2s; }
.segmented button.active { background: var(--glass-hi); color: var(--text); box-shadow: var(--shadow-sm); }

/* ====== 10. RESULTADOS / KPIs / TABLAS ================================== */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi { padding: 1.1rem 1.2rem; border-radius: var(--radius-sm); background: var(--input-bg); border: 1px solid var(--border); }
.kpi .label { font-size: var(--fs-xs); color: var(--text-mut); text-transform: uppercase; letter-spacing: .03em; }
.kpi .value { font-family: var(--font-num); font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; margin-top: .25rem; }
.kpi .value.pos { color: var(--positive); }
.kpi .value.neg { color: var(--negative); }
.kpi.highlight { background: linear-gradient(135deg, rgba(16,185,129,.16), rgba(45,212,191,.12)); border-color: var(--glass-hi); }

.chart-box { position: relative; height: clamp(260px, 40vw, 380px); }

.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-top: 1.5rem; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
thead th { text-align: right; padding: .8rem 1rem; background: var(--input-bg); color: var(--text-mut); font-weight: 600; position: sticky; top: 0; white-space: nowrap; }
thead th:first-child, tbody td:first-child { text-align: left; }
tbody td { padding: .7rem 1rem; text-align: right; border-top: 1px solid var(--border); font-family: var(--font-num); white-space: nowrap; }
tbody tr:hover { background: var(--glass-bg); }

/* ====== 11. BLOQUES ADSENSE ============================================= */
.ad-slot { margin: clamp(2rem, 5vw, 3rem) auto; max-width: var(--maxw); display: flex; align-items: center; justify-content: center; min-height: 100px; border: 1px dashed var(--border); border-radius: var(--radius-sm); background: var(--input-bg); color: var(--text-mut); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .08em; padding: 1rem; }
.ad-slot[data-filled] { border: none; background: transparent; }

/* ====== 12. FOOTER ====================================================== */
.footer { border-top: 1px solid var(--border); margin-top: clamp(3rem, 8vw, 6rem); padding-block: 3rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; }
.footer h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .05em; color: var(--text-mut); margin-bottom: 1rem; }
.footer a { display: block; color: var(--text-soft); font-size: var(--fs-sm); padding: .3rem 0; transition: color .2s; }
.footer a:hover { color: var(--text); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: var(--fs-xs); color: var(--text-mut); }
.disclaimer { font-size: var(--fs-xs); color: var(--text-mut); max-width: 38ch; margin-top: .8rem; }

/* ====== 13. ANIMACIONES ================================================= */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Revelado enmascarado (no "fade-up slop": entra con máscara + nitidez) */
.reveal { opacity: 0; clip-path: inset(0 0 14% 0); transform: translateY(14px); }
.reveal.in { animation: revealMask .8s cubic-bezier(.22,.61,.36,1) forwards; }
@keyframes revealMask { to { opacity: 1; clip-path: inset(0 0 0 0); transform: none; } }
.reveal.in.in { } /* no-op para especificidad */
.reveal.d1 { animation-delay: .08s; }
.reveal.d2 { animation-delay: .16s; }
.reveal.d3 { animation-delay: .24s; }
.reveal.d4 { animation-delay: .32s; }

/* Estela verde bajo el cursor */
.cursor-trail { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 80; mix-blend-mode: screen; }
[data-theme="light"] .cursor-trail { mix-blend-mode: multiply; }

/* ---- Desplegable premium (sustituye a <select>) estilo pricing-interaction ---- */
.cselect { position: relative; width: 100%; }
/* Trigger con estilo "origin button" (relleno al hover, brillo, elevación) */
.cselect-trigger {
  position: relative; overflow: hidden; width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  padding: .72rem .72rem .72rem 1rem; border-radius: 14px; cursor: pointer; font-weight: 600;
  font-family: var(--font-sans); text-align: left; color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--glass-brd);
  transition: transform .35s cubic-bezier(.22,.61,.36,1), border-color .35s, box-shadow .35s;
}
.cselect-trigger::before { /* relleno en degradado que sube al hover */
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(16,185,129,.92), rgba(45,212,191,.92));
  transform: translateY(101%); transition: transform .4s cubic-bezier(.22,.61,.36,1);
}
.cselect-trigger::after { /* destello que cruza */
  content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; z-index: 1;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg); opacity: 0;
}
.cselect-trigger:hover { transform: translateY(-3px); border-color: transparent; box-shadow: 0 18px 40px -16px rgba(45,212,191,.55); }
.cselect-trigger:hover::before { transform: translateY(0); }
.cselect-trigger:hover::after { opacity: 1; animation: btnShine .9s ease; }
.cselect-trigger:hover .cselect-val { color: #04201a; }
.cselect-trigger:hover .cselect-go { background: rgba(255,255,255,.95); color: #04201a; }
.cselect.open .cselect-trigger { border-color: var(--brand-1); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }

.cselect-val { position: relative; z-index: 2; transition: color .35s; }
.cselect-go { position: relative; z-index: 2; flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--glass-hi); transition: background .35s, color .35s; }
.cselect-go .chev { width: 16px; height: 16px; color: currentColor; transition: transform .3s cubic-bezier(.22,.61,.36,1); }
.cselect.open .cselect-trigger .chev { transform: rotate(180deg); }

.cselect-panel {
  position: fixed; z-index: 200; padding: 6px; max-height: 300px;
  overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  background: var(--bg-elev); border: 1px solid var(--glass-brd); border-radius: 14px;
  box-shadow: var(--shadow); opacity: 0; transform: translateY(-8px) scale(.97); transform-origin: top center;
  pointer-events: none; transition: opacity .22s cubic-bezier(.22,.61,.36,1), transform .22s cubic-bezier(.22,.61,.36,1);
  -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4);
  scrollbar-width: thin; scrollbar-color: var(--brand-1) transparent;
}
/* Fondo sólido de respaldo por si el navegador no soporta backdrop-filter (evita transparencia) */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .cselect-panel { background: #10131a; }
}
.cselect-panel::-webkit-scrollbar { width: 10px; }
.cselect-panel::-webkit-scrollbar-track { background: transparent; }
.cselect-panel::-webkit-scrollbar-thumb { background: linear-gradient(var(--brand-1), var(--brand-2)); border-radius: 10px; border: 3px solid transparent; background-clip: padding-box; }
.cselect-panel::-webkit-scrollbar-thumb:hover { background: var(--brand-2); background-clip: padding-box; }
.cselect-panel.open { opacity: 1; transform: none; pointer-events: auto; }
.cselect-option {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: .62rem .7rem .62rem .85rem; border-radius: 10px; cursor: pointer; color: var(--text-soft);
  font-weight: 500; transition: color .2s, background .2s; overflow: hidden;
}
.cselect-option::before { /* barra/acento animado a la izquierda */
  content: ""; position: absolute; left: 0; top: 50%; width: 3px; height: 0; border-radius: 3px;
  background: var(--brand-grad); transform: translateY(-50%); transition: height .25s cubic-bezier(.22,.61,.36,1);
}
.cselect-option:hover { color: var(--text); background: var(--glass-bg); }
.cselect-option.sel { color: var(--text); background: linear-gradient(135deg, rgba(16,185,129,.16), rgba(45,212,191,.12)); }
.cselect-option.sel::before { height: 56%; }
.cselect-option .ck { width: 16px; height: 16px; color: var(--brand-2); opacity: 0; transform: scale(.6); transition: opacity .2s, transform .2s; flex: none; }
.cselect-option.sel .ck { opacity: 1; transform: scale(1); }
/* Entrada escalonada de las opciones al abrir */
.cselect-panel.open .cselect-option { animation: fadeUp .32s cubic-bezier(.22,.61,.36,1) both; }
.cselect-panel.open .cselect-option:nth-child(1){animation-delay:.02s}
.cselect-panel.open .cselect-option:nth-child(2){animation-delay:.05s}
.cselect-panel.open .cselect-option:nth-child(3){animation-delay:.08s}
.cselect-panel.open .cselect-option:nth-child(4){animation-delay:.11s}
.cselect-panel.open .cselect-option:nth-child(5){animation-delay:.14s}
.cselect-panel.open .cselect-option:nth-child(n+6){animation-delay:.16s}

/* ---- Tarjetas de brokers / bancos ---- */
.brokers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.broker-card { display: flex; flex-direction: column; gap: 1rem; }
.broker-head { display: flex; align-items: center; gap: .9rem; }
.broker-logo { width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center; font-weight: 800; font-size: 1.25rem; color: #fff; flex: none; box-shadow: var(--shadow-sm); }
.broker-head h3 { margin: 0; }
.broker-head .tag { font-size: var(--fs-sm); color: var(--text-soft); }
.broker-card h4 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .05em; color: var(--text-mut); margin: .3rem 0 .1rem; }
.broker-list { list-style: none; display: flex; flex-direction: column; gap: .45rem; }
.broker-list li { display: flex; gap: .55rem; font-size: var(--fs-sm); color: var(--text-soft); }
.broker-list li svg { width: 16px; height: 16px; color: var(--positive); flex: none; margin-top: 3px; }
.broker-steps { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: .4rem; }
.broker-steps li { display: flex; gap: .6rem; font-size: var(--fs-sm); color: var(--text-soft); counter-increment: step; }
.broker-steps li::before { content: counter(step); flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--glass-hi); color: var(--text); display: grid; place-items: center; font-size: .75rem; font-weight: 700; }
.broker-why { font-size: var(--fs-sm); color: var(--text-soft); }

/* Botón "EMPIEZA AQUÍ" (premium, llamativo) */
.empieza { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; gap: .7rem; width: 100%; margin-top: auto; padding: .95rem 1.2rem; border-radius: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .92rem; color: #04201a; background: var(--brand-grad); box-shadow: 0 16px 34px -14px rgba(45,212,191,.6); transition: transform .3s cubic-bezier(.22,.61,.36,1), box-shadow .3s; cursor: pointer; }
.empieza::after { content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.5), transparent); transform: skewX(-18deg); opacity: 0; }
.empieza:hover { transform: translateY(-3px); box-shadow: 0 22px 46px -14px rgba(45,212,191,.8); }
.empieza:hover::after { opacity: 1; animation: btnShine .9s ease; }
.empieza .arrow-circle { width: 28px; height: 28px; background: #04201a; color: #fff; border-radius: 50%; display: grid; place-items: center; transition: transform .25s; }
.empieza:hover .arrow-circle { transform: translateX(3px); }
.empieza .arrow-circle svg { width: 15px; height: 15px; }
@media (max-width: 760px) { .brokers-grid { grid-template-columns: 1fr; } }

/* ====== BLOG / ARTÍCULOS ====== */
.article { max-width: 760px; margin-inline: auto; }
.article .lead { font-size: 1.18rem; color: var(--text); line-height: 1.7; }
.article h2 { margin: 2.2rem 0 .7rem; }
.article h3 { margin: 1.6rem 0 .5rem; }
.article p { margin-bottom: 1rem; line-height: 1.75; }
.article ul, .article ol { margin: 0 0 1.1rem 1.2rem; }
.article li { margin-bottom: .45rem; color: var(--text-soft); }
.article a { color: var(--brand-1); text-decoration: underline; text-underline-offset: 3px; }
.article a:hover { color: var(--brand-2); }
.article .meta-line { font-size: var(--fs-sm); color: var(--text-mut); margin-bottom: 1.4rem; }
.article blockquote { margin: 1.2rem 0; padding: .9rem 1.2rem; border-left: 3px solid var(--brand-1); background: var(--glass-bg); border-radius: 0 12px 12px 0; color: var(--text-soft); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.blog-card { display: flex; flex-direction: column; gap: .6rem; }
.blog-card .eyebrow { color: var(--brand-2); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.blog-card h3 { margin: 0; font-size: 1.15rem; }
.blog-card p { font-size: var(--fs-sm); }
.blog-card .arrow { margin-top: auto; color: var(--brand-2); font-weight: 600; font-size: var(--fs-sm); }
@media (max-width: 820px) { .blog-grid { grid-template-columns: 1fr; } }

/* ---- Banner CTA premium al Blog ---- */
.blog-banner { position: relative; display: flex; align-items: center; gap: 1.1rem; padding: 1.15rem 1.4rem; border-radius: 20px; text-decoration: none; overflow: hidden; background: linear-gradient(135deg, rgba(16,185,129,.16), rgba(52,211,153,.05)); border: 1px solid rgba(16,185,129,.28); box-shadow: 0 10px 40px -18px rgba(16,185,129,.55); transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, border-color .35s; }
.blog-banner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 160% at 100% 0%, rgba(52,211,153,.22), transparent 55%); opacity: .8; pointer-events: none; }
.blog-banner:hover { transform: translateY(-3px); border-color: rgba(52,211,153,.55); box-shadow: 0 18px 55px -18px rgba(16,185,129,.7); }
.blog-banner-ic { flex: none; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: var(--brand-grad); color: #04241a; box-shadow: 0 6px 18px -6px rgba(16,185,129,.8); }
.blog-banner-ic svg { width: 24px; height: 24px; }
.blog-banner-txt { display: flex; flex-direction: column; gap: .15rem; min-width: 0; z-index: 1; }
.blog-banner-txt strong { font-family: var(--font-display); font-size: 1.12rem; color: var(--text); letter-spacing: -.01em; }
.blog-banner-txt span { font-size: var(--fs-sm); color: var(--text-soft); }
.blog-banner-go { flex: none; margin-left: auto; display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.15rem; border-radius: 999px; background: #fff; color: #04120c; font-weight: 700; font-size: var(--fs-sm); white-space: nowrap; z-index: 1; transition: gap .3s, transform .3s; }
.blog-banner-go svg { width: 17px; height: 17px; }
.blog-banner:hover .blog-banner-go { gap: .8rem; }
@media (max-width: 620px) {
  .blog-banner { flex-wrap: wrap; gap: .8rem; padding: 1.1rem; }
  .blog-banner-go { margin-left: 0; width: 100%; justify-content: center; }
}

/* ====== BUSCADOR DE ETFs (screener) ====== */
.screener { display: grid; grid-template-columns: 290px 1fr; gap: var(--gap); align-items: start; }
.filters { position: sticky; top: 80px; display: flex; flex-direction: column; gap: .9rem; }
.filters .field { margin-bottom: 0; }
.filters .field label { margin-bottom: .35rem; }
.filters .reset { font-size: var(--fs-xs); color: var(--brand-2); cursor: pointer; background: none; border: none; text-align: left; padding: 0; }
.results-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.results-head .count { color: var(--text-soft); font-size: var(--fs-sm); }
.etf-list { display: flex; flex-direction: column; gap: .9rem; }
.etf-row { display: grid; grid-template-columns: auto 1fr auto; gap: .9rem 1.2rem; align-items: center; padding: 1.15rem 1.4rem; position: relative; overflow: hidden; transition: border-color .25s, transform .25s, box-shadow .25s; }
.etf-row::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 0; border-radius: 3px; background: var(--brand-grad); transition: height .25s; }
.etf-row:hover { border-color: var(--glass-hi); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.etf-row:hover::before { height: 60%; }
.etf-logo { grid-row: span 2; align-self: start; width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; font-weight: 800; font-size: .9rem; flex: none; letter-spacing: -.02em; background: linear-gradient(135deg, rgba(16,185,129,.22), rgba(16,185,129,.05)); border: 1px solid rgba(16,185,129,.25); color: var(--positive); }
.etf-main { min-width: 0; }
.etf-main h3 { font-size: 1.08rem; margin: 0; }
.etf-main .sub { font-family: var(--font-num); font-size: var(--fs-xs); color: var(--text-mut); margin-top: .15rem; }
.etf-meta { display: flex; flex-wrap: wrap; gap: .25rem .9rem; font-size: var(--fs-xs); color: var(--text-mut); margin-top: .5rem; }
.etf-meta b { color: var(--text-soft); font-weight: 600; }
.etf-tags { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .55rem; }
.etf-tag { font-size: .68rem; padding: .14rem .55rem; border-radius: 999px; background: var(--glass-bg); border: 1px solid var(--glass-brd); color: var(--text-soft); }
.etf-num { grid-column: 3; grid-row: span 2; text-align: right; min-width: 104px; align-self: start; }
.etf-num .ter { font-family: var(--font-num); font-weight: 700; font-size: 1.35rem; letter-spacing: -.02em; }
.etf-num .ter small { font-weight: 500; font-size: .68rem; color: var(--text-mut); display: block; letter-spacing: 0; }
.etf-num .ret { font-family: var(--font-num); font-weight: 600; font-size: var(--fs-sm); margin-top: .5rem; }
.etf-num .ret.pos { color: var(--positive); } .etf-num .ret.neg { color: var(--negative); }
.etf-num .ret span { color: var(--text-mut); font-weight: 400; }
.risk-meter { display: inline-flex; gap: 3px; align-items: center; justify-content: flex-end; margin-top: .55rem; }
.risk-meter i { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.risk-meter i.on { background: currentColor; }
.risk-low { color: var(--positive); } .risk-mid { color: var(--warning); } .risk-high { color: var(--negative); }
.risk-meter .lbl { font-size: .62rem; color: var(--text-mut); margin-right: .25rem; letter-spacing: .03em; }
/* Píldora "Comparar" */
.cmp-check { grid-column: 2; display: inline-flex; align-items: center; gap: .4rem; margin-top: .7rem; padding: .32rem .75rem; border-radius: 999px; border: 1px solid var(--glass-brd); background: var(--glass-bg); font-size: var(--fs-xs); font-weight: 600; color: var(--text-soft); cursor: pointer; user-select: none; transition: all .2s; width: fit-content; }
.cmp-check:hover { border-color: var(--brand-1); color: var(--text); }
.cmp-check input { display: none; }
.cmp-check .dot { width: 13px; height: 13px; border-radius: 50%; border: 1.5px solid currentColor; display: grid; place-items: center; transition: all .2s; }
.cmp-check .dot svg { width: 9px; height: 9px; opacity: 0; }
.cmp-check.on { background: var(--brand-grad); color: #04241a; border-color: transparent; }
.cmp-check.on .dot { background: #04241a; border-color: #04241a; color: #fff; }
.cmp-check.on .dot svg { opacity: 1; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-mut); }

/* Barra y panel de comparación */
.compare-bar { position: sticky; bottom: 1rem; z-index: 40; margin-top: 1.2rem; display: none; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .9rem 1.2rem; border-radius: var(--radius); background: var(--bg-elev); border: 1px solid var(--glass-brd); box-shadow: var(--shadow); }
.compare-bar.show { display: flex; }
.compare-bar .chips { display: flex; gap: .5rem; flex-wrap: wrap; }
.compare-bar .chip-x { cursor: pointer; }
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-top: 1rem; }
.compare-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.compare-table th, .compare-table td { padding: .7rem 1rem; text-align: left; border-top: 1px solid var(--border); }
.compare-table thead th { background: var(--input-bg); }
.compare-table td:first-child { color: var(--text-mut); font-weight: 600; }
.cmp-panel { margin-top: 1.2rem; animation: fadeUp .5s ease both; }
.cmp-panel h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .04em; color: var(--text-mut); margin-bottom: .6rem; }
.cmp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
@media (max-width: 760px) { .cmp-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .screener { grid-template-columns: 1fr; } .filters { position: static; } }

/* ====== SECCIONES DE LA HOME (6 apartados) ====== */
/* Estadísticas */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat-card { text-align: center; padding: 1.5rem 1rem; }
.stat-card strong { display: block; font-family: var(--font-num); font-size: clamp(1.7rem, 3.5vw, 2.3rem); letter-spacing: -.02em; background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-card span { font-size: var(--fs-sm); color: var(--text-soft); }

/* Calculadoras como sección (lamp en flujo normal) */
.calc-section { position: relative; }
.calc-section .lamp { margin-bottom: .5rem; }
.calc-section .lamp-line { transform: translateX(-50%) scaleX(0); transform-origin: center; }
.calc-section.in .lamp-line { animation: lampGrow 1.1s cubic-bezier(.22,.61,.36,1) .15s forwards; }
@keyframes lampGrow { to { transform: translateX(-50%) scaleX(1); } }

/* Teaser (banda CTA grande para ETF / Brokers) */
.teaser { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 3.4rem); display: grid; grid-template-columns: 1.25fr .75fr; gap: 2rem; align-items: center; border: 1px solid var(--glass-brd); background: linear-gradient(135deg, rgba(16,185,129,.12), rgba(16,185,129,.07)); }
.teaser::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(40rem 20rem at 90% 120%, rgba(16,185,129,.12), transparent 60%); }
.teaser > * { position: relative; z-index: 1; }
.teaser h2 { font-size: clamp(1.8rem, 4vw, 2.9rem); letter-spacing: -.035em; margin: .45rem 0 .7rem; }
.teaser p { max-width: 46ch; color: var(--text-soft); }
.teaser .btn { margin-top: 1.4rem; }
.teaser-visual { display: grid; place-items: center; }
.teaser-visual svg { width: 100%; max-width: 240px; height: auto; filter: drop-shadow(0 14px 30px rgba(16,185,129,.25)); }
@media (max-width: 820px) { .teaser { grid-template-columns: 1fr; } .teaser-visual { display: none; } }

/* Tarjetas educativas (Aprende a invertir) */
.learn-card { display: flex; flex-direction: column; gap: .6rem; }
.learn-card .tool-icon { background: linear-gradient(135deg, rgba(16,185,129,.18), rgba(45,212,191,.15)); color: var(--positive); }
.learn-card h3 { margin-top: .2rem; }
.learn-card p { font-size: var(--fs-sm); }
.learn-cta { text-align: center; margin-top: clamp(2rem, 5vw, 3rem); }

/* Selector de moneda (USD / EUR / CAD) en la navbar */
.cur-switch { display: inline-flex; background: var(--input-bg); border: 1px solid var(--border); border-radius: 11px; padding: 3px; gap: 2px; }
.cur-switch button { border: none; background: transparent; color: var(--text-mut); font-weight: 600; font-size: .76rem; letter-spacing: .02em; padding: .34rem .5rem; border-radius: 8px; cursor: pointer; transition: background .2s, color .2s; font-family: var(--font-sans); }
.cur-switch button:hover:not(.active) { color: var(--text); }
.cur-switch button.active { background: var(--brand-grad); color: #04201a; box-shadow: var(--shadow-sm); }
@media (max-width: 520px) { .cur-switch button { padding: .3rem .4rem; font-size: .72rem; } }

/* Acceso directo a ETFs bajo cada calculadora */
.etf-cta { display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; margin-top: 2rem; cursor: pointer; overflow: hidden; position: relative; transition: transform .35s cubic-bezier(.22,.61,.36,1), border-color .35s, box-shadow .35s; }
.etf-cta::before { content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0; background: linear-gradient(135deg, rgba(16,185,129,.16), rgba(16,185,129,.12)); transition: opacity .35s; }
.etf-cta > * { position: relative; z-index: 1; }
.etf-cta:hover { transform: translateY(-4px); border-color: var(--glass-hi); box-shadow: var(--shadow); }
.etf-cta:hover::before { opacity: 1; }
.etf-cta .eyebrow { color: var(--brand-2); font-weight: 600; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .04em; }
.etf-cta h3 { margin: .25rem 0 .35rem; }
.etf-cta p { font-size: var(--fs-sm); margin: 0; }
.etf-cta .origin-go { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--glass-hi); transition: background .35s, color .35s, transform .35s; }
.etf-cta:hover .origin-go { background: #fff; color: #04201a; transform: translateX(4px); }
.etf-cta .origin-go svg { width: 20px; height: 20px; }

/* Banner de cookies */
.cookie-bar { position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%); width: min(680px, calc(100% - 2rem)); z-index: 90; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1rem 1.2rem; border-radius: var(--radius); background: var(--bg-elev); border: 1px solid var(--glass-brd); box-shadow: var(--shadow); animation: fadeUp .5s ease both; }
.cookie-bar p { font-size: var(--fs-sm); margin: 0; flex: 1 1 280px; }
.cookie-bar a { color: var(--brand-2); text-decoration: underline; }
.cookie-actions { display: flex; gap: .5rem; }
.cookie-actions .btn { --pad: .55rem 1.1rem; font-size: var(--fs-sm); }

/* ====== MICROMOVIMIENTOS PREMIUM (premium.js) ====== */
.card-spot { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .35s ease; z-index: 0; background: radial-gradient(220px 220px at var(--mx, 50%) var(--my, 50%), rgba(16,185,129,.13), transparent 70%); }
.tool-card:hover .card-spot, .learn-card:hover .card-spot, .broker-card:hover .card-spot, .stat-card:hover .card-spot, .etf-cta:hover .card-spot, .teaser:hover .card-spot { opacity: 1; }
.tool-card > :not(.card-spot), .learn-card > :not(.card-spot), .broker-card > :not(.card-spot), .stat-card > :not(.card-spot), .etf-cta > :not(.card-spot), .teaser > :not(.card-spot) { position: relative; z-index: 1; }

.cursor-glow { position: fixed; top: 0; left: 0; width: 360px; height: 360px; margin: -180px 0 0 -180px; border-radius: 50%; pointer-events: none; z-index: 60; background: radial-gradient(circle, rgba(16,185,129,.07), transparent 60%); mix-blend-mode: screen; will-change: transform; }
[data-theme="light"] .cursor-glow { mix-blend-mode: multiply; background: radial-gradient(circle, rgba(16,185,129,.10), transparent 60%); }

.hero-zoom .device { transition: transform .3s cubic-bezier(.22,.61,.36,1); will-change: transform; }

.learn-link { color: var(--brand-1); font-weight: 600; font-size: var(--fs-sm); transition: gap .2s, color .2s; }
.learn-link:hover { color: var(--brand-2); text-decoration: underline; text-underline-offset: 4px; }

/* ====== 14. UTILIDADES ================================================== */
.muted { color: var(--text-mut); }
.center { text-align: center; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.flex { display: flex; } .between { justify-content: space-between; } .items-center { align-items: center; }
.gap-1 { gap: .5rem; } .gap-2 { gap: 1rem; }
.wrap { flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .7rem; border-radius: 999px; font-size: var(--fs-xs); font-weight: 600; background: var(--glass-bg); border: 1px solid var(--glass-brd); }
.pill.pos { color: var(--positive); } .pill.neg { color: var(--negative); }

/* Leyenda de gráficas: solo el punto (grande) y texto en mayúsculas */
.leg-dot { display: inline-block; width: 14px; height: 14px; border-radius: 50%; vertical-align: -2px; margin-right: .15rem; box-shadow: 0 0 10px 1px currentColor; }
.leg-dot.pos { background: var(--positive); color: var(--positive); }
.leg-dot.neg { background: var(--negative); color: var(--negative); }
p:has(.leg-dot) { text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--brand-1); color: #fff; padding: .6rem 1rem; border-radius: 0 0 10px 0; z-index: 100; }
.skip-link:focus { left: 0; }
*:focus-visible { outline: 2px solid var(--brand-1); outline-offset: 2px; border-radius: 4px; }

/* ====== 15. RESPONSIVE ================================================== */
@media (max-width: 980px) {
  .calc-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem; background: var(--bg-soft); border-bottom: 1px solid var(--border); transform: translateY(-130%); transition: transform .3s ease; box-shadow: var(--shadow); }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: .9rem 1rem; border-radius: 10px; }
  .nav-toggle { display: grid; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
}
@media (min-width: 761px) and (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================================
   16. HERO CINEMATOGRÁFICO (scroll-storytelling)  ·  estilo Apple
   - Monitor premium con gráfica neón (rojo→verde al hacer scroll)
   - Zoom a la pantalla → selector de calculadoras (lamp + botones origin)
   ========================================================================== */
.hero-stage { position: relative; height: 260vh; }           /* pista de scroll */
.hero-pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; place-items: center; }

/* Capa que contiene el monitor y el copy (la que hace zoom) */
.hero-zoom { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2.2rem; will-change: transform, opacity; transform-origin: center 46%; padding: 0 1.2rem; }

.hero-copy { text-align: center; max-width: min(94vw, 720px); will-change: transform, opacity; }
.hero-copy .badge { display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .9rem; border-radius: 999px; background: var(--glass-bg); border: 1px solid var(--glass-brd); font-size: var(--fs-sm); color: var(--text-soft); margin-bottom: 1.2rem; }
.hero-copy .badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--positive); box-shadow: 0 0 0 4px rgba(22,199,132,.18); }
.hero-copy h1 { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -.05em; font-weight: 700; }
.hero-copy h1 .text-grad { font-weight: 800; }
.hero-copy .sub { font-size: clamp(1rem, 2.2vw, 1.3rem); color: var(--text-soft); margin-top: 1rem; max-width: 40ch; margin-inline: auto; }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .4rem; color: var(--text-mut); font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; animation: floaty 2.4s ease-in-out infinite; }
.scroll-cue svg { width: 18px; height: 18px; }

/* ---- Monitor premium ---- */
.device { width: min(760px, 86vw); will-change: transform; }
.device-screen {
  position: relative; aspect-ratio: 16 / 10; border-radius: 18px; overflow: hidden;
  background: radial-gradient(120% 140% at 50% 0%, #0c0f14 0%, #050506 70%);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.9), inset 0 0 0 1px rgba(255,255,255,.04), inset 0 1px 0 rgba(255,255,255,.10);
}
.device-screen::before { /* brillo superior del cristal */
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.10), transparent 18%);
}
.device-screen canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.device-cam { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 6px; height: 6px; border-radius: 50%; background: #1b2026; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); z-index: 4; }
.device-base { width: 120px; height: 56px; margin: -2px auto 0; position: relative; }
.device-neck { width: 46px; height: 34px; margin: 0 auto; background: linear-gradient(180deg, #14171c, #0b0d10); border-radius: 0 0 6px 6px; }
.device-foot { width: 150px; height: 10px; margin: 0 auto; border-radius: 50%; background: radial-gradient(60% 100% at 50% 0%, #15191f, #07080a); box-shadow: 0 24px 40px -20px rgba(0,0,0,.8); }
.device-screen-tag { position: absolute; bottom: 12px; left: 14px; z-index: 4; font-family: var(--font-num); font-size: .8rem; letter-spacing: -.01em; }
.device-screen-tag .val { font-weight: 700; font-size: 1.05rem; }

/* ---- Capa final: selector con efecto LAMP ---- */
.hero-final { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; pointer-events: none; will-change: opacity, transform; padding: 0 1.2rem; }
.hero-final.active { pointer-events: auto; }

/* Efecto LAMP (haz de luz) */
.lamp { position: relative; width: 100%; display: flex; flex-direction: column; align-items: center; isolation: isolate; }
.lamp-glow { position: relative; width: min(560px, 80vw); height: 220px; display: grid; place-items: center; }
.lamp-glow::before, .lamp-glow::after { content: ""; position: absolute; top: 0; height: 220px; width: 50%; }
.lamp-glow::before { right: 50%; background: conic-gradient(from 70deg at center top, rgba(16,185,129,.65), transparent); -webkit-mask-image: linear-gradient(180deg, #000, transparent 72%); mask-image: linear-gradient(180deg, #000, transparent 72%); }
.lamp-glow::after  { left: 50%;  background: conic-gradient(from 290deg at center top, transparent, rgba(45,212,191,.7)); -webkit-mask-image: linear-gradient(180deg, #000, transparent 72%); mask-image: linear-gradient(180deg, #000, transparent 72%); }
.lamp-line { position: absolute; top: 0; left: 50%; width: min(460px, 72vw); height: 3px; transform: translateX(-50%); transform-origin: center; background: linear-gradient(90deg, transparent, var(--positive), var(--brand-2), transparent); box-shadow: 0 0 28px 6px rgba(16,185,129,.7); }
.lamp-orb { position: absolute; top: -34px; width: min(380px, 62vw); height: 130px; border-radius: 50%; background: radial-gradient(50% 60% at 50% 40%, rgba(16,185,129,.7), transparent 70%); filter: blur(30px); }
.lamp h2 { text-align: center; font-size: clamp(1.8rem, 4.4vw, 3rem); letter-spacing: -.03em; margin-top: -54px; position: relative; z-index: 2; }
.lamp p { text-align: center; color: var(--text-soft); margin-top: .6rem; position: relative; z-index: 2; }

/* El encendido del lamp lo controla el scroll (hero-scroll.js) → fluido, sin parpadeo.
   .lamp-glow y .lamp-line reciben opacity/scaleX proporcional al progreso. */
.lamp-glow { transition: opacity .15s linear; }
.lamp-line { transition: opacity .15s linear; }

/* Rejilla de botones origin */
/* 7 botones en columna única centrada (interés compuesto primero, el más importante) */
.origin-grid { position: relative; z-index: 2; display: flex; flex-direction: column; gap: .7rem; margin: 2.2rem auto 0; max-width: 440px; width: 100%; }

/* ---- BOTÓN ORIGIN (premium, animado) ---- */
.origin-btn {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .9rem 1rem .9rem 1.25rem; border-radius: 14px; cursor: pointer; overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--glass-brd); color: var(--text); font-weight: 600; text-align: left;
  transition: transform .35s cubic-bezier(.22,.61,.36,1), border-color .35s, box-shadow .35s;
}
.origin-btn::before { /* relleno que sube desde abajo al hover */
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(16,185,129,.9), rgba(45,212,191,.9));
  transform: translateY(101%); transition: transform .4s cubic-bezier(.22,.61,.36,1);
}
.origin-btn::after { /* destello que cruza */
  content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; z-index: 1;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg); opacity: 0; transition: opacity .2s;
}
.origin-btn:hover { transform: translateY(-3px); border-color: transparent; box-shadow: 0 18px 40px -16px rgba(45,212,191,.55); }
.origin-btn:hover::before { transform: translateY(0); }
.origin-btn:hover::after { opacity: 1; animation: btnShine .9s ease; }
.origin-btn:hover .origin-label, .origin-btn:hover .origin-go { color: #04201a; }
.origin-btn:hover .origin-go { background: rgba(255,255,255,.95); transform: translateX(3px); }
@keyframes btnShine { from { left: -60%; } to { left: 130%; } }
.origin-label { position: relative; z-index: 2; display: flex; flex-direction: column; line-height: 1.2; transition: color .35s; }
.origin-label small { font-weight: 500; font-size: var(--fs-xs); color: var(--text-mut); transition: color .35s; }
.origin-btn:hover .origin-label small { color: rgba(4,32,26,.7); }
.origin-go { position: relative; z-index: 2; flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--glass-hi); transition: background .35s, transform .35s, color .35s; }
.origin-go svg { width: 16px; height: 16px; }

/* Responsive cinematográfico */
@media (max-width: 760px) {
  .origin-grid { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-stage { height: auto; }
  .hero-pin { position: static; height: auto; padding: 4rem 0; }
  .hero-zoom { position: static; transform: none !important; opacity: 1 !important; }
  .hero-final { position: static; opacity: 1; pointer-events: auto; margin-top: 3rem; }
  .scroll-cue { display: none; }
}

/* ============================================================================
   MÓVIL · diseñado, no encogido (punto 07 del checklist)
   ========================================================================== */
@media (max-width: 760px) {
  /* Hero: en móvil se quita el scroll-pinned/zoom y se ve completo y compacto */
  .hero-stage { height: auto; }
  .hero-pin { position: static; height: auto; overflow: visible; display: block; padding: 2.2rem 0 .5rem; }
  .hero-zoom { position: static; transform: none !important; opacity: 1 !important; gap: 1.4rem; padding: 0; }
  .hero-copy { max-width: 100%; }
  .hero-copy h1 { font-size: clamp(2.3rem, 11vw, 3.2rem); }
  .hero-copy .sub { font-size: 1.02rem; }
  .scroll-cue { display: none; }
  .device { width: 100%; }

  /* Navbar compacta (caben divisa + tema + menú) */
  .nav-links { inset: 58px 0 auto 0; }
  .nav-inner { height: 58px; }
  .brand { font-size: 1rem; gap: .45rem; }
  .brand-mark { width: 27px; height: 27px; }
  .nav-actions { gap: .3rem; }
  .cur-switch { padding: 2px; }
  .cur-switch button { padding: .26rem .4rem; font-size: .68rem; }
  .theme-toggle, .nav-toggle { width: 38px; height: 38px; }

  /* Ritmo y tipografía */
  .section { padding-block: clamp(2.4rem, 9vw, 3.6rem); }
  .section-head { margin-bottom: 1.8rem; }
  h2 { font-size: clamp(1.5rem, 6vw, 2rem); }

  /* Estadísticas en 2×2, grandes y legibles */
  .stats-row { grid-template-columns: 1fr 1fr; gap: .7rem; }
  .stat-card { padding: 1.2rem .8rem; }
  .stat-card strong { font-size: 2rem; }

  /* Calculadoras: una columna, KPIs en 2 */
  .calc-layout { gap: 1.2rem; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .chart-box { height: 260px; }

  /* Buscador: filtros arriba (no sticky) */
  .filters { position: static; }
  .results-head { flex-direction: column; align-items: flex-start; gap: .3rem; }

  /* Teasers compactos */
  .teaser { padding: 1.6rem; }

  /* Botones a ancho completo para mejor toque */
  .hero-cta .btn, .learn-cta .btn, #suggestForm .btn { width: 100%; }
  .btn-lg { justify-content: center; }
}

@media (max-width: 480px) {
  .kpis { grid-template-columns: 1fr; }
  /* Filas de ETF: badge + info arriba, métricas a lo ancho debajo */
  .etf-row { grid-template-columns: auto 1fr; padding: 1rem 1.1rem; }
  .etf-num { grid-column: 1 / -1; grid-row: auto; text-align: left; display: flex; flex-wrap: wrap; gap: .35rem 1.4rem; align-items: baseline; margin-top: .6rem; min-width: 0; }
  .etf-num .ter { font-size: 1.15rem; }
  .etf-num .ret { margin-top: 0; }
  .risk-meter { margin-top: 0; }
  .cmp-check { grid-column: 1 / -1; }
  .compare-bar { flex-direction: column; align-items: stretch; }
}