/* =============================================================================
   hTech — sistema de diseño compartido del sitio (home + productos).
   Cada página enlaza este archivo y, si necesita un acento propio (por producto),
   sobreescribe --accent / --accent-2 en un <style> chico en su <head>.
   ========================================================================== */

:root {
  --paper:      #F4F6FB;
  --surface:    #FFFFFF;
  --surface-2:  #FBFCFE;
  --ink:        #0E1633;
  --ink-soft:   #4A5570;
  --accent:     #1E40AF;   /* azul corporativo (default) */
  --accent-2:   #2F53D6;
  --gold:       #A96E14;   /* acento cálido compartido por toda la familia */
  --gold-soft:  #F4E9D2;
  --good:       #157A4E;
  --good-soft:  #E1F1E8;
  --line:       #E3E7F2;
  --line-2:     #CBD3E6;

  --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --font-body:    'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  --wrap: 1140px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:     #090D1A;
    --surface:   #101731;
    --surface-2: #0C1226;
    --ink:       #EAEDF8;
    --ink-soft:  #A4AECB;
    --accent:    #7C97F7;
    --accent-2:  #A6BAFB;
    --gold:      #E1A845;
    --gold-soft: #2A2415;
    --good:      #47C489;
    --good-soft: #10241B;
    --line:      #202A47;
    --line-2:    #33406B;
  }
}
:root[data-theme="light"] {
  --paper:#F4F6FB; --surface:#FFFFFF; --surface-2:#FBFCFE; --ink:#0E1633; --ink-soft:#4A5570;
  --accent:#1E40AF; --accent-2:#2F53D6; --gold:#A96E14; --gold-soft:#F4E9D2; --good:#157A4E; --good-soft:#E1F1E8;
  --line:#E3E7F2; --line-2:#CBD3E6;
}
:root[data-theme="dark"] {
  --paper:#090D1A; --surface:#101731; --surface-2:#0C1226; --ink:#EAEDF8; --ink-soft:#A4AECB;
  --accent:#7C97F7; --accent-2:#A6BAFB; --gold:#E1A845; --gold-soft:#2A2415; --good:#47C489; --good-soft:#10241B;
  --line:#202A47; --line-2:#33406B;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body, .page { margin: 0; }
.page {
  background:
    radial-gradient(1100px 520px at 82% -8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.06; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
a { color: inherit; }
.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; letter-spacing: -0.01em; }
.num { font-variant-numeric: tabular-nums; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold);
  display: inline-flex; align-items: center; gap: .55em;
}
.eyebrow::before { content:""; width: 22px; height: 1px; background: currentColor; opacity:.7; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem;
  padding: .78em 1.3em; border-radius: 10px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 22px -12px color-mix(in srgb, var(--accent) 80%, transparent); }
:root[data-theme="dark"] .btn-primary, .page .btn-primary { color: #0a0f1f; }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0a0f1f; } }
:root[data-theme="light"] .btn-primary { color: #fff; }
.btn-primary:hover { transform: translateY(-2px); background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* --------------------------------------------------------------- nav */
/* Encabezado corporativo: azul oscuro fijo (en ambos temas) con el logo real. */
header.nav { position: sticky; top: 0; z-index: 50;
  background: #0f1d3a;
  border-bottom: 1px solid rgba(255,255,255,.09);
  box-shadow: 0 1px 12px -4px rgba(0,0,0,.45); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-tag { font-family: var(--font-body); font-weight: 600; font-size: 1rem; color: #fff; line-height: 1.1; letter-spacing: -.01em;
  padding-left: 12px; border-left: 1px solid rgba(255,255,255,.24); }
.brand-tag small { display:block; font-family: var(--font-body); font-weight: 500; font-size:.66rem; letter-spacing:.02em; color: rgba(255,255,255,.55); margin-top:2px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { text-decoration: none; color: rgba(255,255,255,.72); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; align-items:center; gap: 10px; }
.theme-btn { background: transparent; border: 1px solid rgba(255,255,255,.22); color: rgba(255,255,255,.82); width: 38px; height: 38px; border-radius: 9px; cursor: pointer; display:grid; place-items:center; }
.theme-btn:hover { color: #fff; border-color: rgba(255,255,255,.6); }
@media (max-width: 900px){ .nav-links { display:none; } }
/* pill de "volver a productos" en las páginas de producto */
.nav-back { font-family: var(--font-mono); font-size:.72rem; font-weight:600; letter-spacing:.04em; text-transform:uppercase; color: rgba(255,255,255,.7); text-decoration:none; border:1px solid rgba(255,255,255,.22); border-radius:999px; padding:5px 12px; display:inline-flex; align-items:center; gap:6px; }
.nav-back:hover { color: #fff; border-color: rgba(255,255,255,.6); }

/* --------------------------------------------------------------- hero */
.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.05rem); margin: 18px 0 0; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lead { font-size: 1.16rem; color: var(--ink-soft); max-width: 36ch; margin: 22px 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 26px; display:flex; gap: 18px; flex-wrap: wrap; font-size: .86rem; color: var(--ink-soft); }
.hero-trust span { display:inline-flex; align-items:center; gap: 7px; }
.dot { width:6px; height:6px; border-radius:50%; background: var(--good); }
@media (max-width: 940px){ .hero-grid { grid-template-columns: 1fr; gap: 40px; } .hero .lead{ max-width: none; } }

/* --------------------------------------------------------------- logos strip */
.strip { border-block: 1px solid var(--line); background: var(--surface-2); }
.strip-in { display:flex; align-items:center; gap: 28px; padding: 18px 0; flex-wrap: wrap; }
.strip-in .lbl { font-family: var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--ink-soft); }
.strip-in .items { display:flex; gap: 26px; flex-wrap:wrap; align-items:center; }
.strip-in .items b { font-family: var(--font-display); font-weight:600; font-size: 1.02rem; color: var(--ink); opacity:.82; }

/* --------------------------------------------------------------- sections */
section { padding: 78px 0; }
.sec-head { max-width: 640px; margin-bottom: 40px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-top: 14px; }
.sec-head p { color: var(--ink-soft); font-size: 1.08rem; margin: 14px 0 0; }

/* module ledger grid */
.modules { border: 1px solid var(--line-2); border-radius: var(--radius); overflow:hidden; background: var(--surface); }
.mgrid { display: grid; grid-template-columns: repeat(3, 1fr); }
.mod { padding: 26px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.mgrid .mod:nth-child(3n) { border-right: none; }
.mod:hover { background: var(--surface-2); }
.mod .ic { width: 34px; height: 34px; color: var(--accent); margin-bottom: 14px; }
.mod h3 { font-size: 1.12rem; font-family: var(--font-body); font-weight: 700; letter-spacing: -.01em; }
.mod p { color: var(--ink-soft); font-size: .95rem; margin: 8px 0 0; }
.mod .idx { float:right; font-family: var(--font-mono); font-size:.7rem; color: var(--line-2); }
@media (max-width: 860px){ .mgrid { grid-template-columns: repeat(2, 1fr); } .mgrid .mod:nth-child(3n){ border-right:1px solid var(--line);} .mgrid .mod:nth-child(2n){ border-right:none; } }
@media (max-width: 560px){ .mgrid { grid-template-columns: 1fr; } .mod { border-right: none !important; } }

/* feature band (imagen/mock a un lado, texto al otro) */
.band { background: var(--surface); border-block: 1px solid var(--line); }
.band-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items:center; }
.band-grid h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-top: 14px; }
.band-grid p { color: var(--ink-soft); font-size: 1.06rem; margin: 16px 0 0; }
.band ul { list-style:none; padding:0; margin: 22px 0 0; display:grid; gap: 12px; }
.band li { display:flex; gap: 11px; font-size: .98rem; }
.band li svg { color: var(--good); flex:none; margin-top:3px; }
@media (max-width: 860px){ .band-grid { grid-template-columns: 1fr; gap: 40px; } }

/* phone mock (WhatsApp / seguimiento) */
.phone { background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 22px; padding: 16px; max-width: 340px; margin-inline:auto; box-shadow: 0 40px 80px -50px rgba(14,22,51,.55); }
.wa-head { display:flex; align-items:center; gap:10px; padding: 4px 4px 12px; border-bottom:1px solid var(--line); }
.wa-ava { width:36px; height:36px; border-radius:50%; display:grid; place-items:center; color:#fff; }
.wa-head b { font-size:.92rem; } .wa-head small { color: var(--ink-soft); font-size:.72rem; display:block; }
.wa-body { padding: 16px 6px 6px; display:grid; gap:10px; }
.bubble { background: var(--good-soft); border:1px solid color-mix(in srgb, var(--good) 22%, transparent); padding: 10px 12px; border-radius: 12px 12px 12px 4px; font-size:.86rem; max-width: 92%; }
.bubble .pdf { margin-top:8px; display:flex; align-items:center; gap:8px; background: var(--surface); border:1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-family: var(--font-mono); font-size:.72rem; }
.bubble .time { display:block; text-align:right; font-size:.64rem; color: var(--ink-soft); margin-top:5px; }

/* audience */
.aud { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.aud .card { border:1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--surface); }
.aud .card h3 { font-family: var(--font-body); font-weight:700; font-size: 1.05rem; }
.aud .card p { color: var(--ink-soft); font-size:.93rem; margin:7px 0 0; }
@media (max-width: 780px){ .aud { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .aud { grid-template-columns: 1fr; } }

/* diff */
.diff { display:grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
.diff .d span { font-family: var(--font-body); font-weight:700; font-size:1.02rem; display:block; color: var(--ink); }
.diff .d p { color: var(--ink-soft); font-size:.95rem; margin-top: 6px; }
@media (max-width: 780px){ .diff { grid-template-columns: 1fr 1fr; gap: 28px; } }

/* cta band */
.cta-band { background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, #0a1030)); color:#fff; border-radius: 20px; padding: 54px; text-align:center; position:relative; overflow:hidden; }
:root[data-theme="dark"] .cta-band { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 40%, #10162e), #0a0f26); border:1px solid var(--line-2); }
@media (prefers-color-scheme: dark){ .cta-band{ background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 40%, #10162e), #0a0f26); border:1px solid var(--line-2);} }
.cta-band h2 { color:#fff; font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.cta-band p { color: rgba(255,255,255,.8); max-width: 46ch; margin: 14px auto 26px; }
.cta-band .btn-primary { background:#fff; color: var(--accent) !important; }
.cta-band .btn-primary:hover { background:#eef2ff; }
.cta-band .btn-ghost { color:#fff; border-color: rgba(255,255,255,.4); }
.cta-band .btn-ghost:hover { border-color:#fff; color:#fff; }

/* contact */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items:center; }
.contact-list { display:grid; gap: 16px; margin-top: 22px; }
.contact-list a { display:flex; align-items:center; gap: 13px; text-decoration:none; padding: 14px 16px; border:1px solid var(--line); border-radius: 12px; background: var(--surface); transition: border-color .2s, transform .15s; }
.contact-list a:hover { border-color: var(--accent); transform: translateX(3px); }
.contact-list .ic { width:38px; height:38px; border-radius:9px; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); display:grid; place-items:center; flex:none; }
.contact-list b { display:block; font-size: 1rem; } .contact-list small { color: var(--ink-soft); }
@media (max-width: 780px){ .contact-grid { grid-template-columns: 1fr; gap: 30px; } }

/* footer */
footer { border-top: 1px solid var(--line); background: var(--surface-2); padding: 46px 0 30px; margin-top: 20px; }
/* logo del pie: pizarra sobre fondo claro, blanco en tema oscuro */
footer .brand-logo { height: 32px; width:auto; display:block; }
@media (prefers-color-scheme: dark){ footer .brand-logo { filter: brightness(0) invert(1); } }
:root[data-theme="light"] footer .brand-logo { filter: none; }
:root[data-theme="dark"]  footer .brand-logo { filter: brightness(0) invert(1); }
.foot-grid { display:flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-grid p { color: var(--ink-soft); font-size:.92rem; max-width: 42ch; margin: 12px 0 0; }
.foot-col .eyebrow { color: var(--ink-soft); }
.foot-col .links { display:grid; gap:8px; margin-top:14px; font-size:.94rem; }
.foot-col .links a { text-decoration:none; color:var(--ink-soft); }
.foot-col .links a:hover { color: var(--ink); }
.foot-legal { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; color: var(--ink-soft); font-size:.82rem; }

/* reveal */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .rv { opacity:1; transform:none; transition:none; } }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
