/* Páginas interiores de InVoice (Funciones, Seguridad): mismo mundo que la portada. */
:root {
  --bg: #050505;
  --surface: #0c1414;
  --surface-2: #111b1b;
  --line: #1c2828;
  --ink: oklch(95% 0.008 210);
  --ink-dim: oklch(70% 0.018 210);
  --mint: oklch(78% 0.18 165);
  --mint-dim: oklch(78% 0.18 165 / 0.12);
  --mint-line: oklch(78% 0.18 165 / 0.35);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
::selection { background: oklch(78% 0.18 165 / 0.3); }
a { color: var(--mint); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1080px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }

/* Encabezado */
.pg-head { position: sticky; top: 0; z-index: 10; background: rgb(5 5 5 / .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.pg-head-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.pg-brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.pg-brand img { width: 36px; height: 36px; border-radius: 9px; }
.pg-nav { display: none; gap: 1.6rem; }
.pg-nav a { color: var(--ink-dim); text-decoration: none; font-size: .95rem; }
.pg-nav a:hover, .pg-nav a[aria-current="page"] { color: var(--ink); }
@media (min-width: 900px) { .pg-nav { display: flex; } }
.pg-nav-mobile { display: flex; gap: 1.25rem; overflow-x: auto; scrollbar-width: none; padding: 0 16px 10px; font-size: .86rem; white-space: nowrap; }
.pg-nav-mobile::-webkit-scrollbar { display: none; }
.pg-nav-mobile a { color: var(--ink-dim); text-decoration: none; padding-block: 4px; }
.pg-nav-mobile a[aria-current="page"] { color: var(--mint); }
@media (min-width: 900px) { .pg-nav-mobile { display: none; } }
.pg-cta { display: inline-flex; align-items: center; min-height: 42px; padding: 0 1.1rem; border-radius: 10px; background: var(--mint); color: #04130d; font-weight: 600; font-size: .92rem; text-decoration: none; white-space: nowrap; }

/* Portada de la página */
.pg-hero { padding-block: clamp(3rem, 8vw, 5.5rem) clamp(2rem, 5vw, 3rem); }
.pg-eyebrow { color: var(--mint); font-size: .82rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 1rem; }
.pg-hero h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.1rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -.035em; margin: 0 0 1.1rem; max-width: 18ch; }
.pg-hero h1 em { font-style: normal; color: var(--mint); }
.pg-lead { color: var(--ink-dim); font-size: clamp(1.05rem, 2.2vw, 1.2rem); max-width: 60ch; margin: 0; }

/* Bloques */
.pg-section { padding-block: clamp(2rem, 5vw, 3.5rem); border-top: 1px solid var(--line); }
.pg-section h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 3.6vw, 2rem); letter-spacing: -.025em; line-height: 1.15; margin: 0 0 .5rem; }
.pg-section > .wrap > p.pg-sub { color: var(--ink-dim); max-width: 62ch; margin: 0 0 1.75rem; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 1.35rem 1.4rem; }
.card h3 { font-family: var(--font-display); font-size: 1.12rem; letter-spacing: -.01em; margin: 0 0 .4rem; display: flex; align-items: center; gap: .6rem; }
.card h3 svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--mint); }
.card p { color: var(--ink-dim); margin: 0; font-size: .96rem; }
.card p + p { margin-top: .6rem; }
.say { display: block; margin-top: .85rem; padding: .7rem .9rem; border-radius: 12px 12px 12px 4px; background: #0b2a22; border: 1px solid var(--mint-line); color: var(--ink); font-size: .93rem; }
.say::before { content: 'Le dices: '; color: var(--mint); font-weight: 600; }
.tag { display: inline-block; margin-left: .35rem; padding: .1rem .5rem; border-radius: 999px; background: var(--mint-dim); color: var(--mint); font-size: .72rem; font-weight: 600; vertical-align: middle; }

/* Lista con pasos */
.steps { counter-reset: paso; display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.steps li { counter-increment: paso; position: relative; padding: 1rem 1.1rem 1rem 3.4rem; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; color: var(--ink-dim); }
.steps li::before { content: counter(paso); position: absolute; left: 1.05rem; top: 1rem; width: 1.6rem; height: 1.6rem; border-radius: 50%; display: grid; place-items: center; background: var(--mint-dim); color: var(--mint); font-weight: 700; font-size: .85rem; }
.steps strong { color: var(--ink); }

/* Cierre */
.pg-cta-final { padding-block: clamp(3rem, 7vw, 4.5rem); border-top: 1px solid var(--line); text-align: center; }
.pg-cta-final h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.3rem); letter-spacing: -.03em; margin: 0 0 .6rem; }
.pg-cta-final p { color: var(--ink-dim); margin: 0 auto 1.6rem; max-width: 50ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 1.6rem; border-radius: 12px; background: var(--mint); color: #04130d; font-weight: 700; text-decoration: none; }
.btn-alt { background: transparent; color: var(--ink); border: 1px solid var(--line); margin-left: .5rem; }
.btn-alt:hover { border-color: var(--mint); }
@media (max-width: 460px) { .btn, .btn-alt { width: 100%; margin: .4rem 0 0; } }

/* Pie */
.pg-foot { border-top: 1px solid var(--line); padding-block: 1.5rem; color: var(--ink-dim); font-size: .86rem; }
.pg-foot .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; justify-content: space-between; }
.pg-foot nav { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }
.pg-foot a { color: var(--ink-dim); }
.pg-foot a:hover { color: var(--ink); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }