/* ideacenter.com.ar — sitio de una página (HTML + CSS, sin dependencias externas). Logo y textos provisorios. */
:root {
  --ink: #0b1b3a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --soft: #f5f7fb;
  --brand: #0066d6;
  --brand-2: #00c4b4;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1120px, 100% - 40px); margin-inline: auto; }

/* ── Cabecera ── */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-icon { height: 40px; width: auto; }
.brand-word { height: 22px; width: auto; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--muted); font-weight: 500; }
.nav ul a:hover { color: var(--ink); text-decoration: none; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand), #0a7fe0); color: #fff; box-shadow: 0 8px 22px rgba(0, 102, 214, .35); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }

/* ── Héroe ── */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 0 84px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(0, 196, 180, .20), transparent 60%),
    radial-gradient(800px 420px at 0% 0%, rgba(0, 102, 214, .16), transparent 60%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(0, 102, 214, .1); color: var(--brand); font-weight: 600; font-size: .85rem;
}
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); line-height: 1.08; letter-spacing: -.03em; margin: 18px 0 18px; }
h1 em { font-style: normal; background: linear-gradient(135deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero-card {
  background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); padding: 22px;
}
.bubble { max-width: 86%; padding: 12px 16px; border-radius: 16px; font-size: .95rem; margin-bottom: 12px; }
.bubble.in { background: var(--soft); border-bottom-left-radius: 4px; }
.bubble.out { margin-left: auto; background: linear-gradient(135deg, var(--brand), #0a7fe0); color: #fff; border-bottom-right-radius: 4px; }
.bubble small { display: block; opacity: .7; margin-top: 4px; font-size: .72rem; }
.hero-card .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip { font-size: .8rem; padding: 5px 12px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); color: var(--muted); }

/* ── Secciones ── */
section { padding: 84px 0; }
section.alt { background: var(--soft); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.08rem; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: transform .18s, box-shadow .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(0, 102, 214, .14), rgba(0, 196, 180, .18)); color: var(--brand); font-size: 1.4rem;
}
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0 0 14px; color: var(--muted); }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .95rem; }
.card li { margin: 4px 0; }
.tag { display: inline-block; margin-top: 14px; font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: #e6fbf8; color: #007c75; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; }
.step p { margin: 0; color: var(--muted); }

.stack { display: flex; flex-wrap: wrap; gap: 10px; }
.stack .chip { background: #fff; font-size: .9rem; padding: 8px 16px; }

/* ── Contacto ── */
.cta {
  border-radius: 28px; padding: 52px; color: #fff; text-align: center;
  background: linear-gradient(135deg, #003398, var(--brand) 55%, #00a5b8);
}
.cta h2 { margin: 0 0 10px; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.cta p { margin: 0 auto 24px; max-width: 56ch; opacity: .92; }
.cta .btn { background: #fff; color: var(--brand); }
.cta .note { margin-top: 18px; font-size: .85rem; opacity: .75; }

/* ── Pie ── */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0; color: var(--muted); font-size: .92rem; }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.footer-row .brand-word { height: 20px; width: auto; }

/* ── Responsive ── */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .nav ul { display: none; }
}
@media (max-width: 620px) {
  .grid, .steps { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 64px 0 56px; }
  .cta { padding: 36px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}