/* Core a Core
   Formas: tarjetas, cores e inputs con radio 6px; botones y pestañas en píldora.
   Un solo acento: el verde del logo. */

:root {
  --ink: #0F110F;
  --ink-2: #1B1F1B;
  --paper: #FFFFFF;
  --mist: #F2F5F1;
  --line: #DFE4DD;
  --text: #1B1F1B;
  --muted: #535A53;
  --green: #65D044;          /* verde del logo: rellenos y detalles */
  --green-ink: #2B7716;      /* verde para texto sobre blanco (AA) */
  --green-soft: #E5F5DE;
  --on-dark: #F4F7F3;
  --on-dark-muted: #A9B2A8;

  --r: 6px;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 68px;

  --f-display: "Archivo", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-display);
  font-size: 17px;
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.1; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--green); color: var(--ink); padding: 8px 14px; border-radius: var(--r); }
.skip:focus { left: 8px; }

/* ---------- Tipografía ---------- */
.h2 {
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 700;
  font-variation-settings: "wdth" 118;
  letter-spacing: -0.02em;
}
.lead { font-size: 19px; color: var(--muted); max-width: 52ch; margin-top: 16px; }
.eyebrow {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 22px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px;
  border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 600; font-size: 16px; text-decoration: none; white-space: nowrap;
  cursor: pointer;
  transition: transform .15s var(--ease), background-color .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px) scale(.98); }
.btn i { font-size: 20px; }
.btn-sm { height: 42px; padding: 0 20px; font-size: 15px; }
.btn-green { background: var(--green); color: var(--ink); }
.btn-green:hover { background: #79DA5B; }
.btn-ghost { border-color: rgba(244, 247, 243, .35); color: var(--on-dark); }
.btn-ghost:hover { border-color: var(--on-dark); }
.btn-dark { background: var(--ink); color: var(--on-dark); }
.btn-dark:hover { background: #2A2F2A; }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: var(--on-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 17, 15, .92);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.header-row { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--on-dark); }
.brand-mark { width: 54px; height: 29px; }
.brand-word {
  display: inline-flex; align-items: center; gap: .32em;
  font-size: 15px; font-weight: 500; letter-spacing: .28em;
  font-variation-settings: "wdth" 112;
}
.brand-word .lam { width: .78em; height: .95em; color: var(--green); margin-right: .28em; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a:not(.btn) { color: var(--on-dark-muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--on-dark); }
.nav-toggle { display: none; }
.nav { margin-left: auto; }
.header-row { justify-content: flex-start; }

/* Selector de idioma: banderita + código del otro idioma */
.lang {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  padding: 8px 10px; margin-right: -10px; border-radius: var(--r);
  color: var(--on-dark-muted); text-decoration: none;
  font-family: var(--f-mono); font-size: 13px; font-weight: 500; letter-spacing: .08em;
  transition: color .2s, background-color .2s;
}
.lang:hover { color: var(--on-dark); background: rgba(255, 255, 255, .06); }
.lang svg { width: 22px; height: 15px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .18); }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--on-dark);
  overflow: hidden;
}
.hero-grid {
  min-height: min(calc(100dvh - var(--header-h)), 760px);
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 40px;
  padding-top: 56px; padding-bottom: 72px;
}
.hero h1 {
  font-size: clamp(40px, 5.6vw, 72px);
  font-weight: 800;
  font-variation-settings: "wdth" 115;
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 13ch;
}
.hero-sub { margin-top: 26px; font-size: 19px; color: var(--on-dark-muted); max-width: 44ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-mark { width: 100%; max-width: 560px; height: auto; overflow: visible; }

/* Animación de entrada: las dos C se acercan y aparece el core */
.hero-mark .c1, .hero-mark .c2, .hero-mark .dot { transform-box: fill-box; transform-origin: center; }
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { opacity: 0; transform: translateY(14px); animation: rise .8s var(--ease) forwards; }
  .hero-copy > :nth-child(2) { animation-delay: .08s; }
  .hero-copy > :nth-child(3) { animation-delay: .16s; }
  .hero-copy > :nth-child(4) { animation-delay: .24s; }
  .hero-mark .c1 { animation: c1in 1.2s var(--ease) .1s both; }
  .hero-mark .c2 { animation: c2in 1.2s var(--ease) .1s both; }
  .hero-mark .dot { animation: dotin .7s cubic-bezier(.3, 1.6, .5, 1) 1s both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes c1in { from { transform: translateX(-90px) rotate(-60deg); opacity: 0; } }
@keyframes c2in { from { transform: translateX(90px) rotate(-60deg); opacity: 0; } }
@keyframes dotin { from { transform: scale(0); } }

/* ---------- Plataformas ---------- */
.platforms { border-bottom: 1px solid var(--line); }
.platforms-row { display: flex; align-items: center; gap: 40px; padding-top: 26px; padding-bottom: 26px; }
.platforms-label { font-family: var(--f-mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.logos { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 14px 34px; align-items: center; }
.logos li { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; color: var(--ink-2); }
.logos img { width: 22px; height: 22px; opacity: .85; }

/* ---------- Cores (bento) ---------- */
.cores { padding: clamp(72px, 10vw, 128px) 0; }
.bento {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.core {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: flex-start; text-align: left;
  aspect-ratio: 1;
  padding: 26px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none; color: var(--text);
  cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.core:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(30, 60, 25, .35); }
.core-ico { font-size: 34px; margin-bottom: auto; }
.core h3 { font-size: 21px; font-weight: 700; font-variation-settings: "wdth" 110; letter-spacing: -0.01em; margin-top: 18px; }
.core p { font-size: 15px; color: var(--muted); margin-top: 8px; max-width: 30ch; }
.core-more { margin-top: 16px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.core-more i { transition: transform .3s var(--ease); }
.core:hover .core-more i { transform: translate(2px, 2px); }

.core-xl {
  grid-column: span 2; grid-row: span 2;
  background: var(--ink); color: var(--on-dark); border-color: var(--ink);
  padding: 40px;
}
.core-xl .core-ico { color: var(--green); font-size: 44px; }
.core-xl h3 { font-size: clamp(30px, 3.2vw, 42px); font-variation-settings: "wdth" 118; }
.core-xl p { color: var(--on-dark-muted); font-size: 18px; max-width: 34ch; margin-top: 14px; }
.core-xl .core-more { color: var(--green); font-size: 16px; }
.core-arc {
  position: absolute; width: 74%; right: -26%; bottom: -24%;
  color: var(--green); opacity: .14; transform: rotate(180deg);
  transition: transform .8s var(--ease), opacity .4s;
}
.core-xl:hover .core-arc { transform: rotate(160deg); opacity: .22; }

.core-marca { background: var(--green-soft); border-color: transparent; }
.core-marca .core-ico { color: var(--green-ink); }
.core-campana { background: var(--green); border-color: var(--green); }
.core-campana p { color: #1E3A15; }
.core-av { background: var(--mist); border-color: transparent; }
.core-web .core-ico, .core-av .core-ico { color: var(--green-ink); }

.core-apps {
  grid-column: span 4; aspect-ratio: auto;
  flex-direction: row; align-items: center; gap: 24px;
  padding: 26px 32px;
  background: var(--paper);
  border: 1.5px dashed #B9C3B6;
}
.core-apps .core-ico { margin: 0; color: var(--green-ink); }
.core-apps h3 { margin: 0; }
.core-apps p { max-width: none; margin-top: 4px; }
.core-apps .core-more { margin: 0 0 0 auto; }
.core-apps:hover .core-more i { transform: translateX(4px); }

/* ---------- Web + Ads ---------- */
.webads { background: var(--mist); padding: clamp(72px, 10vw, 128px) 0; }
.webads-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.webads-intro { position: sticky; top: calc(var(--header-h) + 40px); }
.fineprint { margin-top: 28px; font-size: 14px; color: var(--muted); display: flex; gap: 10px; max-width: 44ch; }
.fineprint i { font-size: 20px; color: var(--green-ink); flex: none; margin-top: 1px; }

.tiers { background: var(--paper); border-radius: var(--r); padding: 12px; border: 1px solid var(--line); }
.tier-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; background: var(--mist); padding: 5px; border-radius: 999px; }
.tier-tabs button {
  border: 0; background: transparent; cursor: pointer;
  height: 44px; border-radius: 999px;
  font-weight: 600; font-size: 15px; color: var(--muted);
  transition: background-color .25s, color .25s;
}
.tier-tabs button:hover { color: var(--ink); }
.tier-tabs button[aria-selected="true"] { background: var(--ink); color: var(--on-dark); }
.tier-panel { padding: 32px 24px 24px; }
.tier-panel h3 { font-size: 26px; font-weight: 700; font-variation-settings: "wdth" 112; letter-spacing: -0.01em; }
.tier-panel:not([hidden]) { animation: rise .45s var(--ease) both; }
.tier-fit { margin: 24px 0 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.tier-fit strong { color: var(--text); }

.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 32px; line-height: 1.45; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .12em;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%230F110F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;
}
.checks li.inherit { color: var(--muted); font-weight: 600; }
.checks li.inherit::before { background-color: var(--mist); border: 1px solid var(--line); }

/* ---------- Proceso: el punto (core) va de la C de tu negocio a la de tus clientes ---------- */
.process { background: var(--ink); color: var(--on-dark); padding: clamp(80px, 11vw, 140px) 0; }
.process .lead { color: var(--on-dark-muted); }
.journey { --c: 60px; --dot: 20px; margin-top: clamp(48px, 6vw, 72px); }

.rail { display: flex; align-items: center; height: var(--c); }
.rail-c { flex: none; width: var(--c); height: var(--c); overflow: visible; }
.rail-c path { fill: none; stroke-width: 55; }
.rail-c1 path { stroke: var(--green); }
.rail-c2 path { stroke: rgba(244, 247, 243, .22); transition: stroke .6s var(--ease); }
.journey.is-done .rail-c2 path { stroke: var(--on-dark); }

.rail-track { position: relative; flex: 1; align-self: stretch; }
.rail-track::before, .rail-fill {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px;
  background: rgba(244, 247, 243, .14);
}
.rail-fill { background: var(--green); transform-origin: left; transform: scaleX(var(--fill, 0)); transition: transform .5s var(--ease); }
.rail-dot {
  position: absolute; left: 0; top: 50%;
  width: var(--dot); height: var(--dot); border-radius: 50%; background: var(--green);
  transform: translate(calc(var(--pos, 0px) - 50%), -50%);
  transition: transform .5s var(--ease);
}

.steps {
  list-style: none; margin: 28px 0 0; padding: 0 calc(var(--c) + 24px);
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px;
}
.steps h3 {
  font-size: clamp(19px, 1.8vw, 24px); font-weight: 800; letter-spacing: -0.01em;
  font-variation-settings: "wdth" 125;
  transition: color .4s;
}
.steps p { margin-top: 12px; font-size: 15px; color: var(--on-dark-muted); max-width: 24ch; }
.steps li.is-current h3 { color: var(--green); }
.rail-dot { z-index: 1; }
/* La pelotita que queda en cada paso */
.rail-mark {
  position: absolute; left: 0; top: 50%;
  width: 10px; height: 10px; border-radius: 50%; background: var(--green);
  transform: translate(calc(var(--at, 0px) - 50%), -50%) scale(var(--s, 0));
  transition: transform .35s var(--ease), opacity .45s;
}
.rail-mark.is-on { --s: 1; transition-delay: .3s; }
/* Reinicio: se desvanece todo, el punto salta al principio y reaparece */
.journey .rail-dot, .journey .rail-fill { transition-property: transform, opacity; }
.journey.is-fading :is(.rail-dot, .rail-fill, .rail-mark) { opacity: 0; transition-duration: .45s; }
.journey.is-jumping :is(.rail-dot, .rail-fill, .rail-mark) { transition: none; }
.js .journey.is-ready .steps li { transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js .journey.is-ready .steps li:not(.is-lit) { opacity: .28; transform: translateY(8px); }

/* ---------- Apps ---------- */
.apps { padding: clamp(72px, 10vw, 128px) 0; background: var(--paper); border-top: 1px solid var(--line); }
.apps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.apps-empty {
  margin-top: 32px; display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px; border-radius: var(--r); background: var(--green-soft); max-width: 48ch;
}
.apps-empty i { font-size: 24px; color: var(--green-ink); flex: none; }
.apps-empty p { font-size: 15px; }
.apps-kinds { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.apps-kinds li { padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.apps-kinds li:nth-child(2n) { border-right: 0; }
.apps-kinds li:nth-child(n+3) { border-bottom: 0; }
.apps-kinds i { font-size: 28px; color: var(--green-ink); }
.apps-kinds h3 { margin-top: 16px; font-size: 18px; font-weight: 700; }
.apps-kinds p { margin-top: 6px; font-size: 15px; color: var(--muted); }

/* ---------- Manifiesto ---------- */
.manifesto { background: var(--green); padding: clamp(64px, 9vw, 112px) 0; text-align: center; }
.manifesto-mark { width: 96px; height: 52px; margin: 0 auto 32px; --mark-c1: var(--ink); --mark-c2: var(--ink); --mark-dot: var(--paper); }
.manifesto p {
  font-size: clamp(26px, 3.4vw, 42px); font-weight: 600; line-height: 1.2;
  font-variation-settings: "wdth" 108; letter-spacing: -0.015em;
  color: var(--ink); max-width: 26ch; margin: 0 auto;
}
.manifesto em { font-style: italic; font-weight: 800; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(72px, 10vw, 128px) 0; }
.faq-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 0; font-size: 18px; font-weight: 600;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; flex: none; width: 28px; height: 28px; border-radius: 50%;
  background: var(--mist) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Cpath d='M9 14h10M14 9v10' stroke='%230F110F' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat;
  transition: transform .3s var(--ease), background-color .3s;
}
.faq-list details[open] summary::after { transform: rotate(45deg); background-color: var(--green); }
.faq-list details p { padding: 0 48px 24px 0; color: var(--muted); max-width: 62ch; }

/* ---------- Contacto ---------- */
.contact { background: var(--mist); padding: clamp(72px, 10vw, 128px) 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.channels { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 12px; max-width: 380px; }
.channels a {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  text-decoration: none; font-weight: 600; transition: border-color .2s;
}
.channels a:hover { border-color: var(--ink); }
.channels i { font-size: 26px; color: var(--green-ink); }
.channels small { display: block; font-family: var(--f-mono); font-weight: 400; font-size: 12px; color: var(--muted); letter-spacing: .04em; }

.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: clamp(22px, 3vw, 36px);
}
.field { display: grid; gap: 8px; align-content: start; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--text); }
.opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--text);
  background: var(--paper); border: 1.5px solid #C3CBC0; border-radius: var(--r);
  padding: 12px 14px; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field select { appearance: none; background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 8l5 5 5-5' fill='none' stroke='%230F110F' stroke-width='1.8'/%3E%3C/svg%3E") right 12px center/18px no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(101, 208, 68, .45); }
.field [aria-invalid="true"] { border-color: #B3261E; }
.error { font-size: 14px; color: #B3261E; }
.form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.form-note { font-size: 14px; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-dark-muted); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-tag { margin-top: 14px; font-family: var(--f-mono); font-size: 13px; color: var(--green); letter-spacing: .06em; }
.footer-nav, .footer-contact { display: grid; gap: 10px; align-content: start; font-size: 15px; }
.site-footer a { text-decoration: none; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--on-dark); }
.footer-base { margin-top: 56px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green); color: var(--ink); font-size: 30px; text-decoration: none;
  box-shadow: 0 10px 28px -10px rgba(15, 40, 10, .55);
  transition: transform .2s var(--ease);
}
.wa-float:hover { transform: scale(1.06); }

/* ---------- Diálogo de cores ---------- */
.core-dialog {
  width: min(760px, calc(100% - 32px)); max-height: calc(100dvh - 48px);
  padding: 0; border: 0; border-radius: var(--r);
  background: var(--paper); color: var(--text);
  box-shadow: 0 30px 80px -30px rgba(10, 30, 8, .5);
}
.core-dialog::backdrop { background: rgba(15, 17, 15, .6); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.core-dialog[open] { animation: rise .35s var(--ease) both; }
.cd-inner { position: relative; padding: clamp(28px, 5vw, 48px); }
.cd-close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--mist); cursor: pointer;
  display: grid; place-items: center; font-size: 20px;
}
.cd-close:hover { background: var(--line); }
.cd-ico { font-size: 40px; color: var(--green-ink); }
.cd-body h2 { margin-top: 18px; font-size: clamp(28px, 4vw, 38px); font-weight: 700; font-variation-settings: "wdth" 116; letter-spacing: -0.02em; }
.cd-lead { margin-top: 12px; font-size: 18px; color: var(--muted); max-width: 48ch; }
.cd-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; margin: 32px 0 34px; padding-top: 28px; border-top: 1px solid var(--line); }
.cd-cols h3 { font-family: var(--f-mono); font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.cd-cols .checks { margin-top: 18px; font-size: 16px; }
.cd-cols > div > p { margin-top: 18px; }

/* ---------- Reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .bento .reveal:nth-child(2) { transition-delay: .06s; }
  .bento .reveal:nth-child(3) { transition-delay: .12s; }
  .bento .reveal:nth-child(4) { transition-delay: .18s; }
  .bento .reveal:nth-child(5) { transition-delay: .24s; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { gap: 22px; }
  .journey { display: grid; grid-template-columns: var(--c) 1fr; column-gap: 20px; }
  .rail { flex-direction: column; height: auto; }
  .rail-c { transform: rotate(90deg); }
  .rail-track::before, .rail-fill { left: 50%; right: auto; top: 0; bottom: 0; width: 2px; height: auto; margin: 0 0 0 -1px; }
  .rail-fill { transform-origin: top; transform: scaleY(var(--fill, 0)); }
  .rail-dot { left: 50%; top: 0; transform: translate(-50%, calc(var(--pos, 0px) - 50%)); }
  .rail-mark { left: 50%; top: 0; transform: translate(-50%, calc(var(--at, 0px) - 50%)) scale(var(--s, 0)); }
  .steps { grid-template-columns: 1fr; gap: 36px; margin: 0; padding: calc(var(--c) + 20px) 0; }
  .steps p { max-width: 40ch; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .core-xl { grid-column: span 2; grid-row: auto; aspect-ratio: auto; min-height: 380px; }
  .core-apps { grid-column: span 2; }
}

@media (max-width: 900px) {
  :root { --header-h: 62px; }
  .nav-toggle {
    display: grid; place-content: center; gap: 6px;
    width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  }
  .lang { margin-left: auto; margin-right: 0; }
  .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--on-dark); transition: transform .3s var(--ease); }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav {
    position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px var(--gutter) 32px; background: var(--ink);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav a:not(.btn) { font-size: 22px; padding: 16px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); color: var(--on-dark); }
  .nav .btn { margin-top: 28px; height: 52px; font-size: 16px; }

  .hero-grid { grid-template-columns: 1fr; min-height: 0; padding-top: 40px; padding-bottom: 56px; gap: 8px; }
  .hero-art { order: -1; justify-content: flex-start; }
  .hero-mark { max-width: 150px; margin-bottom: 28px; }
  .platforms-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .webads-grid, .apps-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .webads-intro { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .brand-word { font-size: 13px; letter-spacing: .22em; }
  .brand-mark { width: 46px; height: 25px; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .bento { grid-template-columns: 1fr; }
  .core, .core-xl, .core-apps { grid-column: auto; aspect-ratio: auto; min-height: 0; }
  .core-xl { padding: 28px; min-height: 340px; }
  .core-ico { margin-bottom: 28px; }
  .core-apps { flex-direction: column; align-items: flex-start; gap: 0; padding: 26px; }
  .core-apps .core-ico { margin-bottom: 18px; }
  .core-apps .core-more { margin: 16px 0 0; }
  .tier-panel { padding: 26px 10px 14px; }
  .tier-tabs button { font-size: 14px; }
  .apps-kinds { grid-template-columns: 1fr; }
  .apps-kinds li { border-right: 0; border-bottom: 1px solid var(--line); }
  .apps-kinds li:nth-child(n+3) { border-bottom: 1px solid var(--line); }
  .apps-kinds li:last-child { border-bottom: 0; }
  .form { grid-template-columns: 1fr; }
  .form-actions .btn { flex: 1 1 100%; }
  .cd-cols { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .wa-float { right: 14px; bottom: 14px; width: 54px; height: 54px; }
}