/* IT Solutions Expert · itsolutios.com
   Layout: one centered column (max 1040px) with a slim top bar, a band-style hero,
   and content sections; reading pages narrow to ~70ch. */
:root {
  --ground: #F3F6F4;
  --paper: #FFFFFF;
  --ink: #14302A;
  --muted: #4F6159;
  --teal: #2E7D6B;
  --teal-deep: #1F5C4F;
  --teal-soft: #DCEFE8;
  --apricot: #8A4A16;
  --apricot-soft: #FCE9D9;
  --line: #D6E2DD;
  --band: #173B33;
  --band-ink: #F1F7F4;
  --band-muted: #B9CEC6;
  --font-display: "Nunito", ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0F1715; --paper: #16211E; --ink: #E4EEEA; --muted: #A3B5AE;
    --teal: #6CC4AC; --teal-deep: #8ED6C2; --teal-soft: #1D332D;
    --apricot: #F7C59F; --apricot-soft: #3A2A1C; --line: #2A3A35;
    --band: #122B25; --band-ink: #F1F7F4; --band-muted: #A9C2B9;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0F1715; --paper: #16211E; --ink: #E4EEEA; --muted: #A3B5AE;
  --teal: #6CC4AC; --teal-deep: #8ED6C2; --teal-soft: #1D332D;
  --apricot: #F7C59F; --apricot-soft: #3A2A1C; --line: #2A3A35;
  --band: #122B25; --band-ink: #F1F7F4; --band-muted: #A9C2B9;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-deep); text-underline-offset: 3px; }
a:hover { color: var(--teal); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 6px; }

.gutter {
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.container { max-width: 1040px; margin: 0 auto; }
.reading { max-width: 720px; margin: 0 auto; }

/* Barra superior */
.topbar { border-bottom: 1px solid var(--line); background: var(--paper); }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 900; font-size: 18px; letter-spacing: -0.01em; }
.brand img, .brand svg { width: 34px; height: 34px; border-radius: 9px; }
.brand:hover { color: var(--ink); }
.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; padding: 6px 10px; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--teal-deep); background: var(--teal-soft); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--paper); margin-left: 4px; }
.lang button { font: 700 13px var(--font-body); color: var(--muted); background: transparent; border: 0; padding: 5px 12px; border-radius: 999px; cursor: pointer; min-height: 32px; }
.lang button[aria-pressed="true"] { background: var(--teal-soft); color: var(--teal-deep); }

/* Idiomas */
[data-l]:not(.on) { display: none !important; }

/* Tipografía */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-weight: 900; font-size: clamp(32px, 6vw, 52px); letter-spacing: -0.015em; }
h2 { font-weight: 800; font-size: clamp(23px, 3.4vw, 30px); }
h3 { font-weight: 800; font-size: 19px; }
p { margin: 0; }
.eyebrow { font: 800 12.5px var(--font-display); letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 60ch; }

/* Banda de portada */
.band { background: var(--band); color: var(--band-ink); }
.band .eyebrow { color: #8ED6C2; }
.band .lead { color: var(--band-muted); }
.hero { padding-block: clamp(48px, 8vw, 88px); display: grid; gap: 18px; }
.hero-raiz { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.hero-raiz .app-icon { width: clamp(96px, 16vw, 148px); border-radius: 22%; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.hero-copy { display: grid; gap: 14px; min-width: 0; }
@media (max-width: 620px) { .hero-raiz { grid-template-columns: 1fr; gap: 20px; } }

.btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 20px; border-radius: 14px; font: 800 16px var(--font-display); text-decoration: none; }
.btn-primary { background: #FFFFFF; color: #1F5C4F; }
.btn-primary:hover { color: #14302A; background: #E9F5F0; }
.btn-ghost { color: var(--band-ink); border: 1.5px solid rgba(255,255,255,.35); }
.btn-ghost:hover { color: #FFFFFF; border-color: rgba(255,255,255,.7); }
.btn-solid { background: var(--teal); color: #FFFFFF; }
.btn-solid:hover { color: #FFFFFF; background: var(--teal-deep); }
.pill { display: inline-flex; align-items: center; gap: 6px; font: 800 12.5px var(--font-display); padding: 5px 11px; border-radius: 999px; background: rgba(255,255,255,.12); color: var(--band-ink); }

/* Secciones */
section.block { padding-block: clamp(40px, 6vw, 64px); display: grid; gap: 22px; }
.section-head { display: grid; gap: 8px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.tile { background: var(--paper); border-radius: 18px; padding: 20px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.tile p { color: var(--muted); font-size: 16px; }
.tile .ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--teal-soft); color: var(--teal-deep); }
.tile .ico svg { width: 22px; height: 22px; }
.callout { background: var(--teal-soft); border-radius: 18px; padding: 20px 22px; display: grid; gap: 10px; }
.callout h2, .callout h3 { color: var(--teal-deep); }
.callout ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }

/* Producto destacado (página de la empresa) */
.feature { background: var(--paper); border-radius: 24px; padding: clamp(20px, 4vw, 32px); display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.feature img { width: 104px; border-radius: 24px; }
.feature .copy { display: grid; gap: 10px; min-width: 0; }
@media (max-width: 560px) { .feature { grid-template-columns: 1fr; } }

/* Contacto */
.contact { background: var(--paper); border-radius: 22px; padding: clamp(20px, 4vw, 28px); display: grid; gap: 14px; }
.mail-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mail { font: 800 clamp(18px, 3vw, 22px) var(--font-display); color: var(--teal-deep); word-break: break-all; user-select: all; }
.copy-btn { font: 700 14px var(--font-body); border: 1px solid var(--line); background: var(--ground); color: var(--ink); border-radius: 10px; padding: 8px 12px; cursor: pointer; min-height: 40px; }
.hint { color: var(--muted); font-size: 15px; }
.hint ul { margin: 6px 0 0; padding-left: 20px; }

/* Preguntas frecuentes */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--paper); border-radius: 16px; padding: 4px 18px; }
.faq summary { cursor: pointer; list-style: none; font: 800 17px var(--font-display); padding: 14px 28px 14px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 9px; height: 9px; border-right: 2.5px solid var(--teal); border-bottom: 2.5px solid var(--teal); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .answer { padding: 0 0 16px; color: var(--muted); display: grid; gap: 8px; }
.faq .answer ol, .faq .answer ul { margin: 0; padding-left: 22px; display: grid; gap: 4px; }
.path { font-weight: 700; color: var(--ink); }
.faq-group { display: grid; gap: 10px; }
.faq-group h3 { color: var(--muted); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-top: 8px; }

/* Texto legal */
.legal { display: grid; gap: 26px; padding-block: 40px 64px; }
.legal section { display: grid; gap: 8px; }
.legal section h2 { font-size: 21px; }
.legal ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.meta { color: var(--muted); font-size: 15px; }

/* Pie */
footer.site { border-top: 1px solid var(--line); background: var(--paper); }
footer.site .container { padding-block: 22px; display: flex; gap: 10px 22px; flex-wrap: wrap; justify-content: space-between; color: var(--muted); font-size: 15px; }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--teal-deep); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }