/* ==========================================================
   tecnoan.com.ar/portfolios/medicina — Tema "Salud"
   Claro, cálido y claro de leer. Independiente del tema oscuro
   del resto del sitio.
   ========================================================== */

:root {
  --bg:        #f4f8fb;
  --surface:   #ffffff;
  --surface-2: #eef5fb;
  --ink:       #16323f;
  --ink-soft:  #5b7686;
  --primary:   #1c74c4;   /* azul clínico */
  --primary-d: #155a9a;
  --teal:      #0ea5a5;
  --green:     #2fa36b;
  --tint-blue: #e7f1fb;
  --tint-teal: #e2f5f4;
  --tint-green:#e8f6ee;
  --border:    #dde7ee;
  --shadow:    0 8px 30px rgba(22, 50, 63, .08);
  --shadow-sm: 0 2px 10px rgba(22, 50, 63, .06);
  --radius:    18px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-d); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 4.5rem 0; }

/* ── Top bar ── */
.med-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.med-nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.med-brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 800; font-size: 1.15rem; color: var(--ink); letter-spacing: -.01em;
}
.med-brand .plus {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 1rem; font-weight: 900;
}
.med-brand span { color: var(--primary); }
.med-nav-links { display: flex; align-items: center; gap: .35rem; list-style: none; }
.med-nav-links a {
  color: var(--ink-soft); font-size: .9rem; font-weight: 600;
  padding: .5rem .85rem; border-radius: 9px;
}
.med-nav-links a:hover { color: var(--primary); background: var(--tint-blue); }
.med-nav-links .cta {
  background: var(--primary); color: #fff; font-weight: 700;
}
.med-nav-links .cta:hover { background: var(--primary-d); color: #fff; }

/* ── Breadcrumb ── */
.med-crumb { padding: 1.25rem 0 0; font-size: .82rem; color: var(--ink-soft); }
.med-crumb a { color: var(--ink-soft); }
.med-crumb a:hover { color: var(--primary); }
.med-crumb b { color: var(--ink); font-weight: 600; }

/* ── Botones ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 999px;
  font-size: .95rem; font-weight: 700; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 22px rgba(28,116,196,.28); }
.btn-primary:hover { background: var(--primary-d); color: #fff; }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-d); }
.btn-lg { padding: 1rem 1.9rem; font-size: 1.02rem; }

/* ── Hero ── */
.med-hero {
  background:
    radial-gradient(60% 60% at 85% 15%, var(--tint-teal) 0%, transparent 70%),
    linear-gradient(180deg, #eaf3fb 0%, var(--bg) 100%);
}
.med-hero .wrap {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem;
  align-items: center; padding-top: 3.5rem; padding-bottom: 3.5rem;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  color: var(--teal); font-weight: 700; font-size: .78rem;
  text-transform: uppercase; letter-spacing: .06em;
  padding: .4rem .9rem; border-radius: 999px; margin-bottom: 1.25rem;
}
.eyebrow::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.med-hero h1 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.18; letter-spacing: -.02em; font-weight: 800;
  margin-bottom: 1.1rem;
}
.med-hero h1 em { font-style: normal; color: var(--primary); }
.med-hero .lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 30rem; margin-bottom: 1.9rem; }
.med-hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }
.med-hero-figure {
  background: #fff; border: 1px solid var(--border);
  border-radius: 24px; padding: 1.25rem; box-shadow: var(--shadow);
}

/* ── Encabezado de sección ── */
.sec-head { max-width: 40rem; margin-bottom: 2.75rem; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-tag {
  color: var(--teal); font-weight: 700; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .08em;
}
.sec-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem); letter-spacing: -.02em;
  font-weight: 800; margin: .5rem 0 .6rem;
}
.sec-head p { color: var(--ink-soft); font-size: 1.02rem; }

/* ── Bloque "problema" ── */
.problem { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.problem-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem;
}
.problem-item {
  background: var(--surface-2); border-radius: var(--radius); padding: 1.4rem 1.5rem;
}
.problem-item p { color: var(--ink-soft); font-size: .95rem; }
.problem-item p b { color: var(--ink); }

/* ── Audiencias ── */
.aud-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.aud-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.9rem; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s;
}
.aud-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.aud-ico {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem;
}
.aud-ico svg { width: 26px; height: 26px; }
.aud-ico.blue  { background: var(--tint-blue);  color: var(--primary); }
.aud-ico.teal  { background: var(--tint-teal);  color: var(--teal); }
.aud-ico.green { background: var(--tint-green); color: var(--green); }
.aud-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: .7rem; letter-spacing: -.01em; }
.aud-card ul { list-style: none; }
.aud-card li {
  position: relative; padding-left: 1.6rem; margin-bottom: .55rem;
  color: var(--ink-soft); font-size: .93rem;
}
.aud-card li::before {
  content: ''; position: absolute; left: 0; top: .45em;
  width: 9px; height: 9px; border-radius: 50%; background: var(--teal);
}

/* ── Cómo funciona ── */
.how { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; counter-reset: s; }
.step { position: relative; padding-top: 3.25rem; }
.step::before {
  counter-increment: s; content: counter(s);
  position: absolute; top: 0; left: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}
.step h4 { font-size: 1rem; font-weight: 800; margin-bottom: .35rem; }
.step p { color: var(--ink-soft); font-size: .9rem; }

/* ── Confianza / respaldo ── */
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.trust-item {
  display: flex; gap: .9rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem;
}
.trust-item svg { width: 24px; height: 24px; color: var(--green); flex-shrink: 0; margin-top: .15rem; }
.trust-item b { display: block; font-size: .98rem; margin-bottom: .2rem; }
.trust-item span { color: var(--ink-soft); font-size: .9rem; }

/* ── Planes ── */
.plans { background: var(--surface); border-top: 1px solid var(--border); }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.plan {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.9rem; box-shadow: var(--shadow-sm);
}
.plan.featured { border-color: var(--primary); box-shadow: 0 12px 34px rgba(28,116,196,.16); }
.plan .name { font-weight: 800; font-size: 1.2rem; margin-bottom: .3rem; }
.plan .who { color: var(--ink-soft); font-size: .9rem; margin-bottom: 1rem; }
.plan .badge {
  display: inline-block; background: var(--tint-blue); color: var(--primary);
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  padding: .2rem .7rem; border-radius: 999px; margin-bottom: .8rem;
}
.plan ul { list-style: none; }
.plan li { padding-left: 1.5rem; position: relative; color: var(--ink-soft); font-size: .9rem; margin-bottom: .5rem; }
.plan li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.plans-note { text-align: center; color: var(--ink-soft); font-size: .88rem; margin-top: 1.75rem; }

/* ── CTA final ── */
.cta-band {
  background: linear-gradient(135deg, var(--primary) 0%, #1a8f9c 100%);
  color: #fff; text-align: center;
}
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: .7rem; letter-spacing: -.02em; }
.cta-band p { max-width: 34rem; margin: 0 auto 1.9rem; opacity: .95; }
.cta-band .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 10px 26px rgba(0,0,0,.18); }
.cta-band .btn-primary:hover { background: #eef5fb; color: var(--primary-d); }
.cta-band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.cta-band .btn-ghost:hover { border-color: #fff; color: #fff; }

/* ── Footer ── */
.med-foot { background: var(--surface); border-top: 1px solid var(--border); padding: 3rem 0 1.75rem; }
.med-foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2rem; }
.med-foot-grid p { color: var(--ink-soft); font-size: .9rem; margin-top: .6rem; max-width: 22rem; }
.med-foot h4 { font-size: .9rem; margin-bottom: .8rem; }
.med-foot ul { list-style: none; }
.med-foot li { margin-bottom: .5rem; }
.med-foot li a { color: var(--ink-soft); font-size: .88rem; }
.med-foot li a:hover { color: var(--primary); }
.med-foot-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem;
  color: var(--ink-soft); font-size: .82rem;
}

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .med-hero .wrap { grid-template-columns: 1fr; gap: 2.5rem; }
  .steps { grid-template-columns: 1fr 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .med-foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .med-nav-links a:not(.cta) { display: none; }
  .steps { grid-template-columns: 1fr; }
  .med-foot-grid { grid-template-columns: 1fr; }
}