/* KOSAN — sitio web. Tokens tomados literalmente de los temas de la aplicación
   (src/assets/themes/kosan.css, light.css, dark.css). Tres temas: KOSAN (por
   defecto), claro y oscuro. Sin frameworks. */

/* ---------- Fuentes locales (IBM Plex, mismas que la app) ---------- */
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-ext-400-normal.woff2') format('woff2'); unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-ext-500-normal.woff2') format('woff2'); unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-ext-600-normal.woff2') format('woff2'); unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-700-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url('../assets/fonts/ibm-plex-sans-latin-ext-700-normal.woff2') format('woff2'); unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); }

/* ---------- Tokens: tema KOSAN (por defecto) ---------- */
:root {
  color-scheme: dark;
  --bg: #081116;
  --panel: #0D181E;
  --panel-2: #122229;
  --panel-3: #193038;
  --text: #E5E7EB;
  --text-2: #B7C0C5;
  --text-3: #7F8D94;
  --border: #1C333A;
  --border-strong: #3A5960;
  --accent: #10B981;
  --accent-strong: #28D6A8;
  --accent-weak: #0B352E;
  --accent-fg: #03140F;
  --accent-text: #3DD6A6;
  --warn: #E7BE72;
  --neg: #FF8790;
  --pos: #52D9A8;
  --head: #071015;
  --glow: rgba(16, 185, 129, .10);
  --shadow: 0 18px 54px rgba(0, 0, 0, .48), 0 3px 12px rgba(0, 0, 0, .28);
  --shadow-soft: 0 1px 2px rgba(0, 0, 0, .22);
  --ring: rgba(16, 185, 129, .28);
  --mark-1: #68e1bd; --mark-2: #28d6a8; --mark-3: #059669; --mark-top: #28d6a8; --mark-foot: #10b981;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 12px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #F3F5F9;
  --panel: #FFFFFF;
  --panel-2: #F1F4F9;
  --panel-3: #E7ECF4;
  --text: #16233A;
  --text-2: #41506A;
  --text-3: #55647C;
  --border: #D6DDE8;
  --border-strong: #7D8EA8;
  --accent: #1466C7;
  --accent-strong: #0F52A3;
  --accent-weak: #E6F0FC;
  --accent-fg: #FFFFFF;
  --accent-text: #1466C7;
  --warn: #8A5A00;
  --neg: #C02F3C;
  --pos: #157A4F;
  --head: #EEF2F8;
  --glow: rgba(20, 102, 199, .08);
  --shadow: 0 18px 54px rgba(22, 35, 58, .14), 0 3px 12px rgba(22, 35, 58, .08);
  --shadow-soft: 0 1px 2px rgba(22, 35, 58, .10);
  --ring: rgba(20, 102, 199, .25);
  --mark-1: #4795e7; --mark-2: #2476d2; --mark-3: #0f52a3; --mark-top: #2476d2; --mark-foot: #1466c7;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #191C21;
  --panel: #1F2329;
  --panel-2: #262B32;
  --panel-3: #2E343C;
  --text: #E8ECF1;
  --text-2: #B4BCC8;
  --text-3: #97A2B1;
  --border: #2F353E;
  --border-strong: #667081;
  --accent: #62A5F3;
  --accent-strong: #6BA8F3;
  --accent-weak: #223449;
  --accent-fg: #0B1220;
  --accent-text: #7FB4F5;
  --warn: #E6B85C;
  --neg: #FF8B93;
  --pos: #5FCF9A;
  --head: #15181C;
  --glow: rgba(98, 165, 243, .08);
  --shadow: 0 18px 54px rgba(0, 0, 0, .5), 0 3px 12px rgba(0, 0, 0, .3);
  --shadow-soft: 0 1px 2px rgba(0, 0, 0, .25);
  --ring: rgba(98, 165, 243, .28);
  --mark-1: #9ac7fa; --mark-2: #6ba8f3; --mark-3: #347fd8; --mark-top: #6ba8f3; --mark-foot: #4d96ee;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(circle at 82% -20%, var(--glow), transparent 32rem),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.modal-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .18em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--accent); color: var(--accent-fg); padding: 8px 12px; border-radius: 6px; z-index: 100; }
.skip:focus { top: 12px; }

h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.02em; font-weight: 600; }
h1 { font-size: clamp(2.2rem, 5.4vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.75rem); }
h3 { font-size: 1.125rem; letter-spacing: -.01em; }
p { margin: 0; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--text-2); max-width: 62ch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head .lead { margin-top: 16px; }
.alt { background: var(--panel); border-block: 1px solid var(--border); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: var(--panel-2); color: var(--text); font-weight: 500; cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s, box-shadow .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; border-color: var(--accent); background: var(--panel-3); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); box-shadow: 0 0 0 4px var(--ring); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--panel-2); border-color: var(--border); color: var(--text); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; box-shadow: none; }
.btn[disabled]:hover, .btn[aria-disabled="true"]:hover { background: var(--accent); border-color: var(--accent); }
.btn-lg { min-height: 50px; padding: 0 26px; font-size: 1.02rem; }
.badge {
  display: inline-block; font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-2); background: var(--panel);
}
.badge-accent { border-color: var(--accent); color: var(--accent-text); background: var(--accent-weak); }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--head) 86%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-row { display: flex; align-items: center; gap: 18px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: .14em; font-size: .95rem; }
.brand:hover { text-decoration: none; }
.brand svg { width: 30px; height: 30px; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: 14px; }
.main-nav a { color: var(--text-2); padding: 8px 12px; border-radius: 6px; font-size: .95rem; }
.main-nav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.buy-stack { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
.buy-stack .btn { min-height: 38px; padding: 0 16px; }
.buy-stack .login-link { font-size: .82rem; color: var(--text-2); text-align: center; background: none; border: 0; cursor: pointer; padding: 2px 4px; border-radius: 4px; white-space: nowrap; }
.buy-stack .login-link:hover { color: var(--accent-text); text-decoration: underline; text-underline-offset: .18em; }

/* Selector de tema: K / sol / luna */
.theme-switch { display: inline-flex; padding: 3px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel); }
.theme-switch button {
  width: 32px; height: 32px; border-radius: 999px; border: 0; background: transparent; cursor: pointer;
  display: grid; place-items: center; color: var(--text-3); transition: background .15s, color .15s;
}
.theme-switch button:hover { color: var(--text); }
.theme-switch button[aria-checked="true"] { background: var(--accent-weak); color: var(--accent-text); }
.theme-switch svg { width: 16px; height: 16px; }
.theme-switch .k-mark svg { width: 17px; height: 17px; }

.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); cursor: pointer; place-items: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; position: relative; transition: transform .2s, opacity .2s; }
.menu-toggle span::before, .menu-toggle span::after { content: ''; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; } .menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(56px, 8vw, 104px) clamp(40px, 6vw, 72px); position: relative; }
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .22;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%);
}
.hero-copy { max-width: 820px; }
.hero-copy .lead { margin-top: 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; font-family: var(--mono); font-size: .78rem; color: var(--text-3); letter-spacing: .02em; }
.hero-facts li { list-style: none; display: inline-flex; align-items: center; gap: 8px; }
.hero-facts li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-facts ul, ul.hero-facts { padding: 0; margin: 26px 0 0; }
.hero-shot { margin-top: clamp(36px, 5vw, 60px); }

/* Marco de ventana para las capturas reales */
.window {
  border: 1px solid var(--border-strong); border-radius: var(--radius); overflow: hidden;
  background: #081116; box-shadow: var(--shadow); position: relative;
}
.window img { width: 100%; height: auto; aspect-ratio: 1920 / 1032; object-fit: cover; }
.window-caption {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px;
  margin-top: 12px; font-family: var(--mono); font-size: .74rem; color: var(--text-3); letter-spacing: .02em;
}
.window-caption b { color: var(--text-2); font-weight: 500; }
.zoom-btn {
  position: absolute; right: 12px; bottom: 12px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 0 12px;
  border-radius: 6px; border: 1px solid var(--border-strong); background: color-mix(in srgb, #081116 78%, transparent);
  color: #E5E7EB; font-size: .8rem; cursor: pointer; backdrop-filter: blur(6px);
}
.zoom-btn:hover { border-color: var(--accent-strong); }
.zoom-btn svg { width: 14px; height: 14px; }

/* ---------- Experiencia: pestañas con vistas reales ---------- */
.tour { display: grid; grid-template-columns: 300px 1fr; gap: clamp(20px, 3vw, 40px); align-items: start; }
.tour-list { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; list-style: none; position: sticky; top: 92px; }
.tour-tab {
  width: 100%; text-align: left; border: 1px solid transparent; border-radius: 10px; background: transparent;
  padding: 14px 16px; cursor: pointer; display: grid; grid-template-columns: 32px 1fr; gap: 4px 12px; align-items: start;
  transition: background .15s, border-color .15s;
}
.tour-tab:hover { background: var(--panel-2); }
.tour-tab[aria-selected="true"] { background: var(--panel); border-color: var(--border-strong); box-shadow: var(--shadow-soft); }
.tour-tab .num { font-family: var(--mono); color: var(--text-3); font-size: .8rem; padding-top: 3px; grid-row: 1 / 3; }
.tour-tab[aria-selected="true"] .num { color: var(--accent-text); }
.tour-tab .t { font-weight: 600; letter-spacing: -.01em; }
.tour-tab .d { color: var(--text-2); font-size: .92rem; line-height: 1.45; }
.tour-panel[hidden] { display: none; }
.tour-panel .window img { animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .tour-panel .window img { animation: none; } }

/* ---------- Herramientas ---------- */
.tools { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; align-items: stretch; }
.tools > .tool-group { grid-column: span 3; }
.tool-stack { display: contents; }
.tool-stack > .tool-group { grid-column: span 2; }
.tool-group { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 18px 14px; }
.tool-group h3 { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); font-weight: 500; margin-bottom: 12px; }
.tool-group ul { margin: 0; padding: 0; list-style: none; }
.tool-group li { padding: 7px 0; border-top: 1px solid var(--border); font-size: .95rem; color: var(--text-2); }
.tool-group li:first-child { border-top: 0; }
.tool-group li b { color: var(--text); font-weight: 500; }
.tools-note { margin-top: 18px; font-size: .9rem; color: var(--text-3); }

/* ---------- Entregable ---------- */
.deliver { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(20px, 3vw, 40px); align-items: start; margin-top: clamp(40px, 6vw, 72px); }
.deliver-copy { display: flex; flex-direction: column; gap: 16px; }
.deliver-copy ul { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.deliver-copy li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; color: var(--text-2); font-size: .97rem; }
.deliver-copy li::before { content: ''; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: var(--accent-weak); border: 1px solid var(--accent); }
.deliver .window.paper img { aspect-ratio: 816 / 656; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); align-items: center; }
.split-ia { grid-template-columns: 5fr 7fr; }
.split .section-head { margin-bottom: 0; }
.checks { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.checks li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--text-2); }
.checks svg { width: 22px; height: 22px; color: var(--accent-text); margin-top: 1px; }
.checks b { color: var(--text); font-weight: 600; }
.note { border-left: 3px solid var(--accent); padding: 10px 14px; background: var(--panel-2); border-radius: 0 8px 8px 0; color: var(--text-2); font-size: .95rem; }

/* ---------- Cambio ---------- */
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: .97rem; }
.card p + p { margin-top: 10px; }
.card code { font-family: var(--mono); font-size: .88em; color: var(--accent-text); }
.card .ico { width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center; background: var(--accent-weak); color: var(--accent-text); margin-bottom: 14px; }
.card .ico svg { width: 18px; height: 18px; }

/* ---------- Licencia ---------- */
.license { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); align-items: center; }
.price-card { background: var(--panel); border: 1px solid var(--border-strong); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.price-card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-strong)); }
.price-card h3 { font-size: 1.3rem; }
.price-card .price { font-family: var(--mono); font-size: 1.05rem; color: var(--text-2); margin-top: 6px; }
.price-card ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.price-card li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; color: var(--text-2); font-size: .97rem; }
.price-card li svg { width: 20px; height: 20px; color: var(--accent-text); }
.price-actions { display: grid; gap: 10px; margin-top: 24px; }
.price-actions .btn { width: 100%; }
.price-foot { margin-top: 14px; font-size: .85rem; color: var(--text-3); }

/* ---------- Comprar: planes ---------- */
.buy-hero { padding-top: clamp(40px, 6vw, 72px); }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: stretch; }
.plan { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; position: relative; }
.plan-featured { border-color: var(--border-strong); box-shadow: var(--shadow); }
.plan-featured::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; border-radius: 16px 16px 0 0; background: linear-gradient(90deg, var(--accent), var(--accent-strong)); }
.plan .badge { align-self: flex-start; }
.plan h2 { font-size: 1.35rem; margin-top: 14px; }
.plan-price { display: flex; align-items: baseline; gap: 8px; margin-top: 10px; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.plan-price .amount { font-family: var(--sans); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 600; letter-spacing: -.03em; color: var(--text); line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price .cur { font-size: .95rem; color: var(--text-3); letter-spacing: .06em; }
.plan-sub { color: var(--text-2); font-size: .95rem; margin-top: 6px; }
.plan-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; flex: 1; }
.plan-list li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; color: var(--text-2); font-size: .97rem; }
.plan-list li svg { width: 20px; height: 20px; color: var(--accent-text); margin-top: 1px; }
.plan-list li.no { padding-top: 10px; margin-top: 4px; border-top: 1px dashed var(--border-strong); }
.plan-list li.no svg { color: var(--warn); }
.plan-list li.no b { color: var(--text); }
.plan .btn { width: 100%; margin-top: 22px; }
.plan-foot { margin-top: 12px; font-size: .82rem; color: var(--text-3); text-align: center; }
.plans-note { margin-top: 18px; font-size: .9rem; color: var(--text-3); max-width: 70ch; }
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.steps li { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; display: grid; grid-template-columns: 40px 1fr; gap: 12px; }
.steps .num { color: var(--accent-text); font-size: .85rem; padding-top: 4px; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--text-2); font-size: .95rem; }
@media (max-width: 860px) { .plans, .steps { grid-template-columns: 1fr; } }

/* ---------- Activar compra ---------- */
.activate { padding-top: clamp(40px, 6vw, 72px); min-height: 60vh; }
.activate-card { max-width: 640px; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 16px; padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow); }
.activate-card h1 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.activate-card .lead { margin-top: 12px; font-size: 1.02rem; }
.activate-plan { margin-top: 16px; }
.activate-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.activate-fine { margin-top: 14px; font-size: .85rem; color: var(--text-3); }
.field-hint { font-size: .8rem; color: var(--text-3); }
.field input[readonly] { color: var(--text-2); background: var(--panel-3); }
#newForm .account-msg { margin-top: 14px; }

/* ---------- Preguntas ---------- */
.faq { display: grid; gap: 8px; max-width: 860px; }
.faq details { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; }
.faq summary { cursor: pointer; padding: 16px 18px; font-weight: 600; letter-spacing: -.01em; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--accent-text); font-size: 1.2rem; line-height: 1; flex: none; }
.faq details[open] summary::after { content: '−'; }
.faq details > div { padding: 0 18px 18px; color: var(--text-2); font-size: .97rem; }

/* ---------- Pie ---------- */
.site-footer { border-top: 1px solid var(--border); padding-block: 40px; background: var(--head); }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; padding: 0; list-style: none; font-size: .92rem; }
.footer-links a { color: var(--text-2); }
.footer-links button { background: none; border: 0; padding: 0; color: var(--text-2); cursor: pointer; font-size: inherit; }
.footer-links button:hover, .footer-links a:hover { color: var(--accent-text); text-decoration: underline; text-underline-offset: .18em; }
.copy { font-family: var(--mono); font-size: .76rem; color: var(--text-3); }

/* ---------- Diálogos ---------- */
dialog { border: 1px solid var(--border-strong); border-radius: 14px; background: var(--panel); color: var(--text); padding: 0; box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(3, 8, 12, .62); backdrop-filter: blur(4px); }
.account { width: min(440px, calc(100vw - 32px)); }
.account-head { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.account-head svg { width: 26px; height: 26px; }
.account-head .kicker { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.account-head h2 { font-size: 1.15rem; }
.account-close { margin-left: auto; width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: transparent; cursor: pointer; display: grid; place-items: center; color: var(--text-2); }
.account-close:hover { color: var(--text); border-color: var(--border-strong); }
.account-body { padding: 20px; }
.account-body p { color: var(--text-2); font-size: .95rem; }
.field { display: grid; gap: 6px; margin-top: 14px; }
.field label { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.field input {
  width: 100%; min-height: 44px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: var(--panel-2); color: var(--text); font: inherit;
}
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
.pw { position: relative; }
.pw input { padding-right: 76px; }
.pw button { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); min-height: 32px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--panel); color: var(--text-2); cursor: pointer; font-size: .82rem; }
.account-msg { margin-top: 14px; padding: 10px 12px; border-radius: 8px; font-size: .9rem; background: var(--panel-2); border: 1px solid var(--border); color: var(--text-2); }
.account-msg[data-kind="error"] { border-color: var(--neg); color: var(--neg); }
.account-actions { display: grid; gap: 10px; margin-top: 18px; }
.account-actions .btn { width: 100%; }
.account-fine { margin-top: 14px; font-size: .82rem; color: var(--text-3); }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 4px; }
.kv > div { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.kv .k { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.kv .v { font-weight: 600; margin-top: 2px; overflow-wrap: anywhere; }
.kv .v.mono { font-weight: 500; }
.account-view h3 { font-size: 1.25rem; }
.account-view .identity { color: var(--text-3); font-size: .9rem; margin-bottom: 14px; overflow-wrap: anywhere; }
.account-view [hidden] { display: none; }

.lightbox { width: min(1400px, calc(100vw - 24px)); background: #081116; }
.lightbox img { width: 100%; height: auto; }
.lightbox .lb-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border-strong); font-family: var(--mono); font-size: .76rem; color: #B7C0C5; }
.lightbox .lb-bar button { min-height: 32px; padding: 0 10px; border-radius: 6px; border: 1px solid #3A5960; background: transparent; color: #E5E7EB; cursor: pointer; }

/* ---------- Aparición al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
  .tour { grid-template-columns: 1fr; }
  .tour-list { position: static; flex-direction: row; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
  .tour-tab { min-width: 250px; }
  .deliver, .license, .split { grid-template-columns: 1fr; }
  .cols3 { grid-template-columns: 1fr 1fr; }
  .tools > .tool-group, .tool-stack > .tool-group { grid-column: span 3; }
  .split-ia { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px var(--gutter) 16px; background: var(--head); border-bottom: 1px solid var(--border); margin: 0; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; }
  .menu-toggle { display: grid; }
  .header-row { gap: 8px; min-height: 60px; }
  .header-actions { gap: 8px; }
  .theme-switch button { width: 28px; height: 28px; }
  .buy-stack { gap: 0; }
  .buy-stack .btn { padding: 0 12px; font-size: .9rem; min-height: 34px; }
  .buy-stack .login-link { font-size: .74rem; }
  .cols3 { grid-template-columns: 1fr; }
  .tools > .tool-group, .tool-stack > .tool-group { grid-column: span 6; }
  .tour-tab { min-width: 220px; }
  .kv { grid-template-columns: 1fr; }
  .window-caption { font-size: .7rem; }
  /* En móvil las capturas completas no demuestran nada: se usan recortes. */
  .window img { aspect-ratio: auto; }
}