/* =========================================================
   SophIA — Sistema de diseño compartido
   Tecnomedia S.A.C.
   ========================================================= */

:root {
  --azul: #263587;
  --azul-900: #1a2566;
  --azul-700: #2d3f9e;
  --azul-50: #eef0fa;
  --naranja: #f0910c;
  --naranja-600: #d97f04;
  --naranja-50: #fef3e2;

  --tinta: #0f1430;
  --tinta-2: #2a3050;
  --gris-1: #5a6080;
  --gris-2: #9aa0bd;
  --linea: #e6e8f2;
  --crema: #faf8f3;
  --papel: #ffffff;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 20, 48, 0.06);
  --shadow-md: 0 8px 24px -8px rgba(15, 20, 48, 0.12);
  --shadow-lg: 0 24px 60px -20px rgba(15, 20, 48, 0.25);

  --maxw: 1200px;
  --gutter: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "ss01", "cv11";
  color: var(--tinta);
  background: var(--crema);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }

h1, h2, h3, h4 {
  font-family: "Inter Tight", "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--tinta);
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 5.5vw, 72px); letter-spacing: -0.035em; }
h2 { font-size: clamp(30px, 3.6vw, 48px); letter-spacing: -0.028em; }
h3 { font-size: clamp(20px, 1.8vw, 26px); }
p  { margin: 0; text-wrap: pretty; }

/* ---------- Wordmark ---------- */
.wordmark {
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}
.wordmark .soph { color: var(--azul); }
.wordmark .ia {
  color: var(--naranja);
  font-weight: 800;
  letter-spacing: -0.04em;
}
.wordmark.invert .soph { color: #fff; }

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--azul);
  display: grid; place-items: center;
  color: #fff;
  font-family: "Inter Tight", sans-serif;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.04em;
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: auto -2px -2px auto;
  width: 12px; height: 12px;
  background: var(--naranja);
  border-radius: 2px;
}
.brand-mark span { position: relative; z-index: 1; }
.brand-name {
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.brand-name .ia { color: var(--naranja); }
.brand-sub {
  font-size: 11px;
  color: var(--gris-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 1px;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--azul);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--naranja);
}
.eyebrow.light { color: rgba(255,255,255,.85); }
.eyebrow.light::before { background: var(--naranja); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--naranja);
  color: #fff;
  box-shadow: 0 6px 20px -6px rgba(240,145,12,0.6);
}
.btn-primary:hover {
  background: var(--naranja-600);
  transform: translateY(-1px);
}
.btn-dark {
  background: var(--azul);
  color: #fff;
}
.btn-dark:hover { background: var(--azul-900); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--tinta);
  border: 1px solid var(--linea);
}
.btn-ghost:hover { border-color: var(--azul); color: var(--azul); }
.btn-ghost.invert { color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost.invert:hover { border-color: #fff; }

.btn .arrow {
  display: inline-block;
  width: 16px; height: 16px;
  position: relative;
}
.btn .arrow::before {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 100%; height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
}
.btn .arrow::after {
  content: "";
  position: absolute;
  top: 50%; right: 0;
  width: 7px; height: 7px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.wa-icon {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  color: var(--naranja);
  display: inline-grid; place-items: center;
  font-size: 11px;
  font-weight: 800;
}

/* ---------- Header / Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 243, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--linea);
}
.site-nav .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.site-nav nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--tinta-2);
}
.site-nav nav a:hover { color: var(--azul); }
.site-nav .right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--azul-900);
  color: rgba(255,255,255,.75);
  padding: 64px 0 28px;
  margin-top: 80px;
}
.site-footer .grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
}
.site-footer h4 {
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a:hover { color: #fff; }
.site-footer .legal {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 56px;
  max-width: 760px;
}
.section-head h2 { margin-top: 6px; }
.section-head p {
  font-size: 18px;
  color: var(--gris-1);
  max-width: 620px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover {
  border-color: rgba(38,53,135,0.3);
  box-shadow: var(--shadow-md);
}

/* Mockup pattern (placeholders rayados) */
.mock {
  background:
    repeating-linear-gradient(135deg,
      rgba(38,53,135,0.05) 0,
      rgba(38,53,135,0.05) 6px,
      transparent 6px,
      transparent 12px),
    var(--azul-50);
  border: 1px dashed rgba(38,53,135,0.3);
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  color: var(--azul);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 24px;
  text-align: center;
}

/* ---------- Utilities ---------- */
.divider { height: 1px; background: var(--linea); }
.text-azul { color: var(--azul); }
.text-naranja { color: var(--naranja); }
.bg-azul { background: var(--azul); color: #fff; }
.bg-crema { background: var(--crema); }
.bg-papel { background: var(--papel); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  background: var(--azul-50);
  color: var(--azul);
}
.tag.naranja { background: var(--naranja-50); color: var(--naranja-600); }
.tag.dark { background: rgba(255,255,255,0.1); color: rgba(255,255,255,.9); }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--naranja);
  display: inline-block;
}

.kpi {
  display: grid;
  gap: 4px;
}
.kpi .num {
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.04em;
  color: var(--azul);
  line-height: 1;
}
.kpi .num em {
  font-style: normal;
  color: var(--naranja);
  font-weight: 700;
}
.kpi .label {
  font-size: 13px;
  color: var(--gris-1);
}

@media (max-width: 900px) {
  section { padding: 72px 0; }
  .site-footer .grid { grid-template-columns: 1fr 1fr; }
  .site-nav nav { display: none; }
}
@media (max-width: 600px) {
  .site-footer .grid { grid-template-columns: 1fr; }
  .site-footer .legal { flex-direction: column; gap: 8px; }
}