/* === SOULLENS · PLI · 2026_06 — Concepto "Tiraje" (V4) === */

/* 0. RESET + BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-weight: 300;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
@view-transition { navigation: auto; }

/* 1. TOKENS */
:root {
  --font-body: 'Prompt', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --green:      #78BE21;   /* campo dominante */
  --green-deep: #5A8F18;
  --green-soft: #EEF6E0;
  --ink:        #16170F;   /* casi negro cálido */
  --ink-soft:   #4A4C42;
  --muted:      #83867A;
  --dim:        #C7CABE;
  --paper:      #FAFAF7;   /* off-white cálido */
  --paper-alt:  #F2F3EE;
  --surface:    #FFFFFF;

  --cyan:    #00AEC7;
  --magenta: #D63A6A;
  --yellow:  #F1E682;

  --line:      rgba(22,23,15,.12);
  --line-soft: rgba(22,23,15,.07);

  --gutter: clamp(20px, 5vw, 80px);
  --space-sm: clamp(28px, 4vw, 44px);
  --space-md: clamp(48px, 7vw, 96px);
  --space-lg: clamp(80px, 12vw, 180px);

  --ease: cubic-bezier(.16,1,.3,1);
  --t-fast: .25s var(--ease);

  --text-xs: .72rem;
  --text-sm: .94rem;
  --shadow-md: 0 4px 12px rgba(22,23,15,.05), 0 16px 40px rgba(22,23,15,.08);
}

/* 2. TIPOGRAFÍA GLOBAL */
h1, h2, h3 { font-weight: 900; line-height: .98; letter-spacing: -.02em; }
h1, .hero-title, .section-title { overflow-wrap: anywhere; min-width: 0; }
em { font-style: normal; }

.section-title {
  font-size: clamp(2rem, 5.2vw, 4.4rem);
  max-width: 18ch;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--green-deep);
}
.eyebrow--light { color: var(--green); }

/* 3. UTILIDADES */
.container { width: 100%; max-width: 1340px; margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
section { position: relative; }

.sec-head { margin-bottom: var(--space-md); }
.sec-head .eyebrow { display: block; margin-bottom: 18px; }
.sec-head--center { text-align: center; }
.sec-head--center .section-title { margin-inline: auto; }

/* Número de sección gigante decorativo */
.sec-num {
  position: absolute; top: clamp(20px, 4vw, 60px); right: var(--gutter);
  font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(4rem, 14vw, 13rem); line-height: .7;
  color: var(--line-soft); z-index: 0; pointer-events: none; user-select: none;
}

/* Marcas de registro de imprenta (firma) */
.reg-marks { position: fixed; inset: 0; z-index: 80; pointer-events: none; mix-blend-mode: multiply; }
.reg { position: absolute; width: 26px; height: 26px; opacity: .5; }
.reg::before, .reg::after { content:''; position:absolute; background: var(--ink); }
.reg::before { left: 50%; top: 0; width: 1px; height: 100%; transform: translateX(-.5px); }
.reg::after  { top: 50%; left: 0; height: 1px; width: 100%; transform: translateY(-.5px); }
.reg-tl { top: 16px; left: 16px; } .reg-tr { top: 16px; right: 16px; }
.reg-bl { bottom: 16px; left: 16px; } .reg-br { bottom: 16px; right: 16px; }
@media (max-width: 767px){ .reg-marks{ display:none; } }

/* Tira CMYK */
.cmyk-strip { display: flex; width: 100%; height: 6px; }
.cmyk-strip i { flex: 1; }
.cmyk-strip i:nth-child(1){ background: var(--cyan); }
.cmyk-strip i:nth-child(2){ background: var(--magenta); }
.cmyk-strip i:nth-child(3){ background: var(--yellow); }
.cmyk-strip i:nth-child(4){ background: var(--ink); }
.cmyk-strip--dark i:nth-child(4){ background: var(--green); }

/* Botones */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 30px;
  background: var(--ink); color: var(--paper); border: none;
  font-family: var(--font-mono); font-weight: 500; font-size: var(--text-sm);
  letter-spacing: .02em; cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--green-deep); box-shadow: 0 10px 26px rgba(22,23,15,.22); }
.btn-primary:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 50px; padding: 0 26px;
  background: transparent; border: 1.5px solid var(--ink); color: var(--ink);
  font-family: var(--font-mono); font-weight: 500; font-size: var(--text-sm);
  transition: background var(--t-fast), color var(--t-fast);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-arrow-icon { display: inline-block; transition: transform var(--t-fast); }
.btn-arrow:hover .btn-arrow-icon { transform: translateX(5px); }

/* 4. NAV */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 70;
  display: flex; align-items: center; gap: 24px;
  padding: 16px var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), padding .35s var(--ease);
}
.nav.scrolled { background: rgba(250,250,247,.88); backdrop-filter: blur(12px); border-bottom-color: var(--line); padding-block: 11px; }
.logo svg { height: 30px; width: auto; }
.logo .lg-iso { fill: var(--green); }
.logo .lg-word { fill: var(--ink); }
.logo .lg-acc { fill: var(--cyan); }
.nav.on-green .logo .lg-word { fill: var(--ink); }
.nav-links { display: flex; gap: 30px; margin-left: auto; }
.nav-links a {
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft);
  padding-bottom: 3px; border-bottom: 1.5px solid transparent; transition: color var(--t-fast), border-color var(--t-fast);
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--green); }
.nav-cta { min-height: 42px; padding: 0 22px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; background: none; border: none; cursor: pointer; margin-left: auto; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); transition: transform var(--t-fast), opacity var(--t-fast); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ transform: translateY(-3.5px) rotate(-45deg); }

/* 5. HERO — campo verde dominante */
.hero {
  position: relative; overflow: hidden;
  background: var(--green);
  color: var(--ink);
  padding: clamp(130px, 18vh, 210px) 0 clamp(56px, 8vh, 110px);
}
.hero::after { /* trama de medio tono que resuelve al scrollear (JS añade .lit) */
  content:''; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image: radial-gradient(var(--ink) 1.1px, transparent 1.2px);
  background-size: 16px 16px;
  opacity: 0; transition: opacity 1.1s var(--ease);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
          mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
}
.hero.lit::after { opacity: .10; }
.hero-particles { position: absolute; inset: 0; z-index: 0; }
.hero .cmyk-strip { position: absolute; top: 0; left: 0; z-index: 2; }
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.7fr 1fr; gap: clamp(32px, 5vw, 72px);
  align-items: end;
}
.hero-content { max-width: 100%; }
.hero .eyebrow { display: block; margin-bottom: 22px; color: var(--ink); }
.hero-title { font-size: clamp(2.3rem, 8.4vw, 7.6rem); margin-bottom: 28px; overflow-wrap: normal; word-break: keep-all; hyphens: none; }
.hero-title em { color: var(--paper); }
.mask-head .inner { white-space: nowrap; }
.hero-sub { font-size: clamp(1.05rem, 1.7vw, 1.3rem); max-width: 30ch; color: var(--ink-soft); font-weight: 300; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* Tarjeta prueba de imprenta */
.hero-proof {
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--ink);
  padding: 26px; box-shadow: 12px 12px 0 rgba(22,23,15,.16);
}
.proof-head, .proof-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .1em; color: var(--muted); }
.proof-head { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.proof-figure { display: flex; align-items: flex-start; gap: 4px; margin: 18px 0 14px; }
.proof-cur { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 500; margin-top: .5rem; }
.proof-num { font-weight: 900; font-size: clamp(3.4rem, 7vw, 5.2rem); line-height: .8; letter-spacing: -.03em; }
.proof-meta { margin-bottom: 20px; align-items: center; }
.proof-dot { width: 5px; height: 5px; background: var(--green); border-radius: 50%; }
.proof-bars { display: flex; align-items: flex-end; gap: 6px; height: 56px; }
.proof-bars span { flex: 1; height: var(--h); background: var(--green); transform-origin: bottom; }

/* Stats hero */
.hero-stats {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: clamp(48px, 7vw, 96px);
  border-top: 1px solid rgba(22,23,15,.25); padding-top: 28px;
}
.stat-num { display: block; font-weight: 900; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; letter-spacing: -.03em; }
.stat-label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.stat-label em { color: var(--green-deep); }

/* TRUST */
.trust { background: var(--ink); color: var(--paper); padding: var(--space-sm) 0; overflow: hidden; }
.trust-kicker { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--green); text-align: center; margin-bottom: 22px; }
.trust-track { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.ticker-track { display: flex; width: max-content; gap: 64px; animation: ticker 34s linear infinite; }
.ticker-track li { font-weight: 900; font-size: clamp(1.1rem, 2.4vw, 1.7rem); letter-spacing: -.01em; color: rgba(250,250,247,.42); white-space: nowrap; }
@keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.trust-note { text-align: center; margin-top: 20px; font-size: var(--text-xs); color: var(--muted); }
.trust-note em { font-style: normal; }

/* COMPARATIVA */
.compare { padding: var(--space-lg) 0; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--ink); }
.comp-col { padding: clamp(28px, 4vw, 52px); }
.comp-old { background: var(--paper-alt); border-right: 1px solid var(--ink); }
.comp-new { background: var(--green); }
.comp-tag { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .14em; margin-bottom: 26px; color: var(--ink); }
.comp-old .comp-tag { color: var(--muted); }
.comp-col li { display: flex; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); font-size: clamp(.98rem, 1.3vw, 1.12rem); }
.comp-col li::before { font-family: var(--font-mono); font-weight: 600; flex-shrink: 0; }
.comp-old li { color: var(--ink-soft); }
.comp-old li::before { content: '✕'; color: var(--magenta); }
.comp-new li::before { content: '✓'; color: var(--ink); }

/* CATÁLOGO */
.catalog { padding: var(--space-lg) 0; background: var(--paper-alt); }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(16px, 2vw, 24px); }
.cat-card { background: var(--surface); border: 1px solid var(--ink); padding: 24px; display: flex; flex-direction: column; transition: transform var(--t-fast), box-shadow var(--t-fast); }
.cat-card:hover { transform: translateY(-5px); box-shadow: 10px 12px 0 rgba(22,23,15,.12); }
.cat-card--feature { background: var(--ink); color: var(--paper); }
.cat-tag { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .14em; color: var(--green-deep); margin-bottom: 18px; }
.cat-card--feature .cat-tag { color: var(--green); }
.cat-card .img-section { min-height: 200px; margin-bottom: 20px; border-color: var(--line); }
.cat-card h3 { font-size: 1.35rem; margin-bottom: 18px; }
.cat-specs { font-family: var(--font-mono); font-size: var(--text-xs); margin-bottom: auto; }
.cat-specs li { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); letter-spacing: .04em; }
.cat-card--feature .cat-specs li { border-top-color: rgba(250,250,247,.16); }
.cat-specs li span:first-child { color: var(--muted); }
.cat-note { margin-top: 18px; font-size: var(--text-xs); color: var(--muted); }
.cat-note em, .calc-disclaimer em, .trust-note em, .quote-author em, .cat-card .cat-note em { font-style: normal; }

/* SERVICIOS — BENTO */
.services { padding: var(--space-lg) 0; }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 20px); }
.bento-item { border: 1px solid var(--ink); padding: clamp(24px, 3vw, 40px); background: var(--surface); }
.bento-lg { grid-column: span 1; grid-row: span 2; background: var(--green); display: flex; flex-direction: column; justify-content: space-between; }
.bento-wide { grid-column: span 2; }
.bento-item i { font-size: 1.6rem; color: var(--green-deep); margin-bottom: 22px; display: block; }
.bento-lg i { color: var(--ink); font-size: 2.2rem; }
.bento-item h3 { font-size: 1.3rem; margin-bottom: 12px; }
.bento-lg h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.bento-item p { color: var(--ink-soft); font-size: var(--text-sm); }
.bento-lg p { color: var(--ink); }

/* CÓMO FUNCIONA — quiebre oscuro */
.how { background: var(--ink); color: var(--paper); padding: 0 0 var(--space-lg); }
.how .cmyk-strip { margin-bottom: var(--space-lg); }
.how .section-title { color: var(--paper); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); counter-reset: s; }
.steps li { border-top: 2px solid var(--green); padding-top: 22px; }
.step-n { font-family: var(--font-mono); font-weight: 600; font-size: var(--text-sm); color: var(--green); display: block; margin-bottom: 16px; }
.steps h3 { font-size: 1.4rem; margin-bottom: 10px; }
.steps p { color: rgba(250,250,247,.66); font-size: var(--text-sm); }

/* CALCULADORA — recibo */
.calc { padding: var(--space-lg) 0; background: var(--green-soft); overflow: hidden; }
.calc-particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.calc-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
.ctrl { margin-bottom: 30px; }
.ctrl label { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 500; letter-spacing: .02em; margin-bottom: 12px; color: var(--ink); }
.ctrl output { font-weight: 600; color: var(--green-deep); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; background: var(--ink); cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 22px; height: 22px; background: var(--ink); border: 3px solid var(--green); border-radius: 0; cursor: pointer; transition: transform var(--t-fast); }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.12); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; background: var(--ink); border: 3px solid var(--green); border-radius: 0; cursor: pointer; }
input[type="range"]:focus-visible { outline: 2px solid var(--green-deep); outline-offset: 6px; }
.calc-disclaimer { font-size: var(--text-xs); color: var(--muted); margin-top: 8px; }

.receipt { background: var(--paper); border: 1px solid var(--ink); padding: clamp(24px, 3vw, 38px); box-shadow: 14px 14px 0 rgba(22,23,15,.14); position: relative; }
.receipt::after { /* borde dentado de recibo */ content:''; position:absolute; left:0; right:0; bottom:-9px; height:9px; background-image: linear-gradient(135deg, var(--paper) 25%, transparent 25%), linear-gradient(-135deg, var(--paper) 25%, transparent 25%); background-size: 14px 14px; background-position: 0 -9px; }
.receipt-head { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .1em; color: var(--muted); border-bottom: 1px dashed var(--line); padding-bottom: 16px; margin-bottom: 18px; }
.receipt-row { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: var(--text-sm); padding: 10px 0; color: var(--ink-soft); }
.receipt-row span:last-child { font-weight: 500; color: var(--ink); }
.receipt-rule { border-top: 1px dashed var(--line); margin: 10px 0; }
.receipt-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 6px; }
.receipt-total span { font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: .04em; text-transform: uppercase; }
.receipt-total strong { font-weight: 900; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.03em; color: var(--green-deep); line-height: .9; }
.receipt-sub { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); margin: 10px 0 24px; }
.receipt-cta { width: 100%; }

/* POR QUÉ */
.why { padding: var(--space-lg) 0; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.why-item { padding: clamp(28px, 3vw, 44px) clamp(20px, 2vw, 32px); border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); }
.why-item:last-child { border-right: none; }
.why-n { font-weight: 900; font-size: clamp(2.6rem, 5vw, 4.2rem); color: var(--green); line-height: .8; display: block; margin-bottom: 22px; letter-spacing: -.04em; }
.why-item h3 { font-size: 1.3rem; margin-bottom: 12px; }
.why-item p { color: var(--ink-soft); font-size: var(--text-sm); }

/* TESTIMONIO */
.quote { padding: var(--space-md) 0; background: var(--paper-alt); }
.interrupt-quote { font-weight: 900; font-size: clamp(1.7rem, 4.4vw, 3.4rem); line-height: 1.06; letter-spacing: -.02em; max-width: 22ch; }
.interrupt-quote { border-top: 2px solid var(--green); padding-top: var(--space-sm); }
.quote-author { margin-top: 26px; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); letter-spacing: .04em; }

/* CTA FINAL */
.cta-final { background: var(--ink); color: var(--paper); padding: 0 0 var(--space-lg); }
.cta-final .cmyk-strip { margin-bottom: var(--space-lg); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: start; }
.cta-final .section-title { color: var(--paper); }
.cta-lead { color: rgba(250,250,247,.7); margin-top: 22px; max-width: 38ch; }
.cta-form { background: var(--paper); color: var(--ink); padding: clamp(24px, 3vw, 38px); border-left: 4px solid var(--green); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 13px 14px; font-family: var(--font-body); font-size: 16px;
  background: var(--paper-alt); border: 1px solid var(--line); color: var(--ink); border-radius: 0;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--green-deep); background: var(--surface); }
.cta-form .btn-primary { width: 100%; margin-top: 6px; background: var(--green-deep); color: var(--paper); }
.cta-form .btn-primary:hover { background: var(--ink); }
.form-feedback.error { margin-top: 14px; font-size: var(--text-sm); color: var(--magenta); }
.form-feedback.error a { text-decoration: underline; }

/* FOOTER */
.footer { background: var(--ink); color: var(--paper); }
.footer-statement { padding: var(--space-md) var(--gutter) var(--space-sm); }
.footer-big { font-weight: 900; font-size: clamp(2.6rem, 11vw, 9rem); line-height: .9; letter-spacing: -.03em; }
.footer-big em { color: var(--green); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 18px 32px; align-items: center; justify-content: space-between; padding-block: 28px; border-top: 1px solid rgba(250,250,247,.16); }
.footer-brand, .footer-meta { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .06em; color: rgba(250,250,247,.6); }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase; color: rgba(250,250,247,.8); transition: color var(--t-fast); }
.footer-nav a:hover { color: var(--green); }

/* FORM anti-spam + validación */
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; height: 0; }
.field-error-msg { font-size: var(--text-xs); color: var(--magenta); display: none; margin-top: 5px; font-family: var(--font-mono); }
.field-error-msg.visible { display: block; }
input.field-error, textarea.field-error { border-color: var(--magenta) !important; }
.btn-loading { display: none; }

/* PLACEHOLDERS DE IMAGEN */
.img-placeholder {
  background-image: repeating-linear-gradient(45deg, rgba(22,23,15,.05), rgba(22,23,15,.05) 10px, transparent 10px, transparent 20px);
  border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center;
  position: relative; min-height: 300px; padding: 16px;
}
.img-placeholder-label { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-align: center; line-height: 1.5; }

/* MASK HEAD (animación tipográfica) */
.mask-head .line { display: block; overflow: hidden; padding-bottom: .06em; }
.mask-head .inner { display: block; }

/* REVEALS */
.section-reveal { opacity: 1; }
.section-reveal.pre { opacity: 0; transform: translateY(34px); }
.section-reveal.in { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .7s var(--ease); }

/* HERO LINES (entrada) */
.hero-line.pre { opacity: 0; transform: translateY(28px); }

/* 8. RESPONSIVE */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; align-items: start; }
  .hero-content { max-width: 100%; }
  .hero-proof { max-width: 420px; }
  .cta-grid { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .bento-lg { grid-row: span 1; grid-column: span 3; }
  .bento-wide { grid-column: span 3; }
}
@media (max-width: 767px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 20px;
  }
  .nav.open .nav-links a { display: block; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
  .nav.open .nav-cta { display: inline-flex; position: absolute; top: 100%; margin-top: 240px; left: var(--gutter); right: var(--gutter); }
  .compare-grid { grid-template-columns: 1fr; }
  .comp-old { border-right: none; border-bottom: 1px solid var(--ink); }
  .bento { grid-template-columns: 1fr; }
  .bento-lg, .bento-wide { grid-column: span 1; }
  .why-item { border-right: none; }
  .hero-stats { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .hero-proof { box-shadow: 8px 8px 0 rgba(22,23,15,.16); }
  .mask-head .inner { white-space: normal; }
}

/* PREFERS-REDUCED-MOTION */
@media (prefers-reduced-motion: reduce) {
  .section-reveal, .section-reveal.pre, .hero-line, .hero-line.pre { opacity: 1 !important; transform: none !important; }
  .ticker-track { animation: none; }
  .hero.lit::after { transition: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}