/* ============================================================
   comexis.ai — sitio
   Sobre el ds_comexis. Consume variables del sistema; no redefine
   color ni inventa familias.
   - Color:  var(--md-core-color-*)
   - Tipo:   Fraunces (brand) / Inter (plain) / JetBrains Mono (mono)
   - Sin cursivas en titulares. Estático, editorial, sin cards.
   - El logo aparece UNA vez, en el header.
   ============================================================ */

:root {
  --md-ext-typeface-brand: 'Fraunces', Georgia, serif;
  --md-ext-typeface-plain: 'Inter', system-ui, sans-serif;

  --wrap: 1240px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--md-core-color-background);
  color: var(--md-core-color-on-surface);
  font-family: var(--md-ext-typo-prose-family);
  font-weight: var(--md-ext-typo-prose-weight);
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.15rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--md-core-color-primary); color: var(--md-core-color-on-primary); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.grid-safe > * { min-width: 0; }
h1, h2, h3, p, .mailto { overflow-wrap: break-word; }

/* ---- display: titulares en Fraunces, sin cursivas ---- */
h1, h2, h3 {
  font-family: var(--md-ext-typeface-brand);
  font-weight: 400;
  font-style: normal;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--md-core-color-on-surface);
}
h1, h2 { font-weight: 500; }

/* ---- chrome (Inter mayúsculas tracked) ---- */
.chrome {
  font-family: var(--md-ext-typo-chrome-family);
  font-weight: var(--md-ext-typo-chrome-weight);
  letter-spacing: var(--md-ext-typo-chrome-spacing);
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--md-core-color-on-surface-variant);
}
/* ---- data (JetBrains Mono — readouts) ---- */
.readout {
  font-family: var(--md-ext-typo-data-family);
  font-weight: var(--md-ext-typo-data-weight);
  letter-spacing: var(--md-ext-typo-data-spacing);
  color: var(--md-core-color-primary);
}

/* ---- acentos de color (tokens del sistema) ---- */
.tint-p { color: var(--md-core-color-primary); }
.tint-t { color: var(--md-core-color-tertiary); }
strong { font-weight: 700; }
.hero__intro strong { font-weight: 700; }

/* ---- botón / CTA (rol verb: Inter 500, sentence case) ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--md-ext-typo-verb-family);
  font-weight: var(--md-ext-typo-verb-weight);
  letter-spacing: var(--md-ext-typo-verb-spacing);
  font-size: 1rem;
  padding: 0.95rem 1.6rem;
  background: var(--md-core-color-primary);
  color: var(--md-core-color-on-primary);
  border-radius: 10px;
  white-space: nowrap;
  transition: transform 0.25s ease, background 0.25s ease;
}
.btn .arr { transition: transform 0.25s ease; }
.btn:hover { transform: translateY(-2px); background: color-mix(in srgb, var(--md-core-color-primary) 84%, #000); }
.btn:hover .arr { transform: translateX(4px); }

/* ============================================================
   HEADER  — sin línea divisoria, logo más grande
   ============================================================ */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--md-core-color-background) 82%, transparent);
  backdrop-filter: blur(10px);
}
.site-head__in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: 84px;
}
.brand-logo { height: 30px; width: auto; }
.nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.6rem); }
.nav a {
  font-family: var(--md-ext-typo-chrome-family);
  font-weight: var(--md-ext-typo-chrome-weight);
  letter-spacing: var(--md-ext-typo-chrome-spacing);
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--md-core-color-on-surface-variant);
  position: relative; padding-block: 0.4rem; transition: color 0.25s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1.5px; background: var(--md-core-color-primary);
  transition: width 0.3s ease;
}
.nav a:hover { color: var(--md-core-color-on-surface); }
.nav a:hover::after { width: 100%; }

/* ============================================================
   HERO  — titular + texto introductorio (texto normal)
   ============================================================ */
.hero { padding-top: clamp(3rem, 8vw, 7rem); padding-bottom: clamp(3.5rem, 9vw, 8rem); }
.hero h1 {
  font-size: clamp(2.6rem, 8.5vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.hero__intro {
  margin: clamp(1.6rem, 3.5vw, 2.6rem) 0 0;
  max-width: 56ch;
  color: var(--md-core-color-on-surface);
  font-size: clamp(1.08rem, 0.5vw + 1rem, 1.3rem);
  line-height: 1.55;
}

/* ============================================================
   SECCIONES
   ============================================================ */
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.section__head {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--md-core-color-outline-variant);
  margin-bottom: clamp(2.4rem, 5vw, 4rem);
}
.section__head h2 { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1; }

/* ============================================================
   PRODUCTOS — directorio, sin cards ni animaciones
   ============================================================ */
.prod-grid {
  display: grid; grid-template-columns: 1fr;
  border-top: 1px solid var(--md-core-color-outline-variant);
}
@media (min-width: 820px) { .prod-grid { grid-template-columns: 1fr 1fr; } }
.prod {
  padding-block: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--md-core-color-outline-variant);
}
@media (min-width: 820px) {
  .prod:nth-child(odd)  { padding-right: clamp(2rem, 4vw, 3.5rem); border-right: 1px solid var(--md-core-color-outline-variant); }
  .prod:nth-child(even) { padding-left: clamp(2rem, 4vw, 3.5rem); }
}
.prod__hd { display: flex; align-items: baseline; gap: 1rem; margin-bottom: clamp(1rem, 2vw, 1.4rem); }
.prod__hd .readout { font-size: 0.95rem; }
.prod h3 { font-size: clamp(1.45rem, 2.6vw, 2rem); line-height: 1.06; }
.prod p { margin: 0; color: var(--md-core-color-on-surface-variant); max-width: 48ch; }

/* ============================================================
   CTA — demostración de ambas herramientas
   ============================================================ */
.cta__in {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--md-core-color-outline-variant);
  padding-top: clamp(2.2rem, 4vw, 3.2rem);
}
.cta__line {
  font-family: var(--md-ext-typeface-brand);
  font-weight: 400; margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.1; letter-spacing: -0.02em;
  max-width: 22ch;
}

/* ============================================================
   CONTACTO — panel oscuro + textura .processing del DS
   ============================================================ */
.contact {
  background: var(--md-core-color-surface);
  color: var(--md-core-color-on-surface);
}
.contact.processing { --proc-blur: 90px; --proc-opacity: 0.45; --proc-grain: 0.28; }
.contact .section__head { border-color: color-mix(in srgb, var(--md-core-color-on-surface) 22%, transparent); }
.contact__say {
  font-family: var(--md-ext-typeface-brand);
  font-weight: 400; font-style: normal;
  font-size: clamp(3rem, 12vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0 0 1.4rem;
  color: var(--md-core-color-primary);
}
.contact__sub {
  color: var(--md-core-color-on-surface-variant);
  max-width: 40ch; margin: 0 0 2.8rem;
  font-size: clamp(1.05rem, 0.6vw + 0.95rem, 1.3rem);
}
.mailto {
  display: inline-flex; align-items: center; gap: 1rem;
  font-family: var(--md-ext-typo-data-family);
  font-weight: var(--md-ext-typo-data-weight);
  letter-spacing: var(--md-ext-typo-data-spacing);
  font-size: clamp(1.05rem, 2.6vw, 1.7rem);
  color: var(--md-core-color-tertiary);
  border-bottom: 1px solid color-mix(in srgb, var(--md-core-color-tertiary) 55%, transparent);
  padding-bottom: 0.5rem;
  transition: gap 0.3s, color 0.3s, border-color 0.3s;
}
.mailto:hover { gap: 1.5rem; color: var(--md-core-color-on-surface); border-color: var(--md-core-color-on-surface); }
.mailto .at {
  display: grid; place-items: center; width: 1.7em; height: 1.7em;
  border: 1px solid currentColor; border-radius: 6px; font-size: 0.7em;
}

/* ============================================================
   FOOTER — wordmark tipográfico
   ============================================================ */
.foot { border-top: 1px solid var(--md-core-color-outline-variant); padding-block: 2.4rem; }
.foot__in {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem;
}
.foot__brand {
  font-family: var(--md-ext-typo-chrome-family);
  font-weight: 700; letter-spacing: 0.3em; text-transform: uppercase;
  font-size: 0.82rem; color: var(--md-core-color-on-surface);
}
.foot__meta {
  font-family: var(--md-ext-typo-chrome-family);
  font-weight: var(--md-ext-typo-chrome-weight);
  letter-spacing: var(--md-ext-typo-chrome-spacing);
  text-transform: uppercase; font-size: 0.68rem;
  color: var(--md-core-color-on-surface-variant);
}
.foot__meta a:hover { color: var(--md-core-color-primary); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
:focus-visible { outline: 2px solid var(--md-core-color-primary); outline-offset: 3px; border-radius: 3px; }

@media (max-width: 560px) {
  .site-head__in { height: 72px; }
  .nav { gap: 1.3rem; }
  .nav a { font-size: 0.66rem; letter-spacing: 0.12em; }
}