/* ==========================================
   HolaDoc v2 — styles-v2.css
   ========================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --brand-blue: #2563eb;
  --brand-blue-dark: #1d4ed8;
  --brand-green: #16a34a;
  --brand-green-dark: #15803d;
  --brand-green-light: #dcfce7;
  --brand-yellow: #fbbf24;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a { text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--brand-blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--brand-blue-dark); transform: translateY(-1px); }

.btn-hero {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-green));
  color: var(--white);
  padding: 0.85rem 2rem;
  font-size: 1rem;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(37,99,235,0.45); }

.btn-hero-ghost {
  background: transparent;
  color: var(--dark);
  padding: 0.85rem 2rem;
  font-size: 1rem;
  border-radius: 10px;
  border: 2px solid #d1d5db;
}
.btn-hero-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); }

.btn-full {
  width: 100%;
  justify-content: center;
  font-size: 1.05rem;
  padding: 1rem;
}

/* ---------- Section Labels ---------- */
.section-label {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: var(--brand-green-light);
  color: var(--brand-green-dark);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-label.light {
  background: rgba(255,255,255,0.15);
  color: white;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title.light { color: white; }
.section-title.center { text-align: center; }

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  text-align: center;
  margin-bottom: 3rem;
}

/* ---------- HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--brand-blue); }

.nav-cta { padding: 0.55rem 1.2rem; font-size: 0.9rem; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: 2px solid #e2e8f0;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--dark);
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(160deg, #f0f9ff 0%, #f0fdf4 60%, #fff 100%);
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #dbeafe, #dcfce7);
  color: var(--brand-blue-dark);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  border: 1px solid #bfdbfe;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  color: var(--dark);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #475569;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-proof {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.proof-item {
  font-size: 0.88rem;
  color: var(--gray);
  font-weight: 500;
}

/* Chat Demo */
.chat-demo-wrapper {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
}

.chat-demo {
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.chat-header {
  background: #075e54;
  color: white;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  font-size: 1.6rem;
  background: #128c7e;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.chat-status {
  font-size: 0.75rem;
  opacity: 0.8;
}

.chat-lock { font-size: 1.1rem; }

.chat-body {
  background: #e5ddd5;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
}

.msg {
  max-width: 80%;
  position: relative;
}

.msg p {
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.msg-time {
  font-size: 0.7rem;
  color: #8a8a8a;
  display: block;
  text-align: right;
  margin-top: 2px;
}

.msg-in { align-self: flex-start; }
.msg-in p { background: white; border-radius: 0 8px 8px 8px; }

.msg-out { align-self: flex-end; }
.msg-out p { background: #d9fdd3; border-radius: 8px 8px 0 8px; }

.msg-system {
  align-self: center;
  background: #fff3cd;
  border: 1px solid #fbbf24;
  border-radius: 8px;
  padding: 0.5rem 0.85rem;
  font-size: 0.78rem;
  color: #92400e;
  text-align: center;
  max-width: 90%;
}

.msg-payment { align-self: flex-end; max-width: 90%; }

.payment-badge {
  background: white;
  border: 2px solid var(--brand-green);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.payment-icon { font-size: 1.5rem; }

.payment-badge div {
  display: flex;
  flex-direction: column;
}

.payment-badge strong {
  font-size: 0.9rem;
  color: var(--brand-green-dark);
}

.payment-badge span {
  font-size: 0.75rem;
  color: var(--gray);
}

/* ---------- PROBLEMA ---------- */
.problema {
  padding: 5rem 0;
  background: var(--white);
}

.problema-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.problema-card {
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 1.75rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.problema-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.problema-emoji {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.problema-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #991b1b;
  margin-bottom: 0.5rem;
}

.problema-card p {
  font-size: 0.95rem;
  color: #7f1d1d;
  line-height: 1.5;
}

/* ---------- SOLUCIÓN ---------- */
.solucion {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color: white;
}

.solucion-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.solucion-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.solucion-lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.solucion-lista li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.check {
  width: 24px;
  height: 24px;
  background: var(--brand-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.solucion-lista li div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.solucion-lista li strong {
  color: white;
  font-size: 0.98rem;
}

.solucion-lista li span {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Flujo */
.flujo {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.flujo-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.flujo-step.visible {
  opacity: 1;
  transform: translateX(0);
}

.highlight-step {
  background: rgba(22,163,74,0.15);
  border-color: var(--brand-green);
}

.flujo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.bg-blue { background: #1d4ed8; }
.bg-yellow { background: #d97706; }
.bg-green { background: #15803d; }
.bg-emerald { background: var(--brand-green); }

.flujo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.flujo-text strong {
  color: white;
  font-size: 0.92rem;
}

.flujo-text span {
  color: #94a3b8;
  font-size: 0.82rem;
}

.flujo-arrow {
  text-align: center;
  color: #475569;
  font-size: 1.2rem;
  line-height: 1;
}

/* ---------- PARA QUIEN ---------- */
.para-quien {
  padding: 5rem 0;
  background: var(--gray-light);
  text-align: center;
}

.especialidades-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 2rem 0;
}

.especialidad-tag {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dark-3);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: all 0.2s;
}

.especialidad-tag:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  transform: translateY(-2px);
}

.para-quien-desc {
  font-size: 1.05rem;
  color: var(--gray);
  font-style: italic;
}

/* ---------- DOS CARAS ---------- */
.dos-caras {
  padding: 5rem 0;
  background: white;
}

.caras-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.cara-card {
  border-radius: var(--radius);
  padding: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.cara-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.cara-doctor {
  background: #f0fdf4;
  border: 2px solid #bbf7d0;
}

.cara-paciente {
  background: #eff6ff;
  border: 2px solid #bfdbfe;
}

.cara-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

.cara-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--dark);
}

.cara-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cara-card li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--dark-3);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot.green { background: var(--brand-green); }
.dot.blue { background: var(--brand-blue); }

/* ---------- CÓMO FUNCIONA ---------- */
.como-funciona {
  padding: 5rem 0;
  background: var(--gray-light);
}

.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.paso {
  background: white;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.paso.visible {
  opacity: 1;
  transform: translateY(0);
}

.paso-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: #e2e8f0;
  line-height: 1;
  margin-bottom: 1rem;
}

.green-num { color: var(--brand-green-light); }

.paso-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.paso-body p {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.5;
}

.paso-final {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border: 2px solid #86efac;
}

/* ---------- TESTIMONIOS ---------- */
.testimonios {
  padding: 5rem 0;
  background: var(--dark);
}

.testimonios .section-label {
  background: rgba(255,255,255,0.1);
  color: #86efac;
}

.testimonios .section-title {
  color: white;
}

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.testimonio-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: var(--radius);
  padding: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.testimonio-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.testimonio-destacado {
  background: linear-gradient(135deg, #1e3a5f, #14532d);
  border-color: var(--brand-green);
  box-shadow: 0 0 0 1px var(--brand-green);
}

.testimonio-stars {
  color: var(--brand-yellow);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.testimonio-card blockquote {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  quotes: "\201C" "\201D";
}

.testimonio-card blockquote::before { content: open-quote; }
.testimonio-card blockquote::after { content: close-quote; }

.testimonio-autor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.autor-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.av1 { background: #1d4ed8; color: white; }
.av2 { background: var(--brand-green); color: white; }
.av3 { background: #7c3aed; color: white; }

.testimonio-autor strong {
  display: block;
  color: white;
  font-size: 0.9rem;
}

.testimonio-autor span {
  font-size: 0.8rem;
  color: #64748b;
}

/* ---------- PRECIOS ---------- */
.precios {
  padding: 5rem 0;
  background: var(--gray-light);
  text-align: center;
}

.precio-card {
  max-width: 420px;
  margin: 0 auto;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 2px solid #bfdbfe;
}

.precio-header {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-green));
  color: white;
  padding: 2.5rem 2rem;
}

.precio-tag {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.precio-numero {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.precio-header p { font-size: 0.95rem; opacity: 0.85; }

.precio-body {
  padding: 2rem;
}

.precio-lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  text-align: left;
}

.precio-lista li {
  font-size: 0.95rem;
  color: var(--dark-3);
}

.precio-nota {
  font-size: 0.82rem;
  color: var(--gray);
  text-align: center;
  margin-top: 1rem;
  font-style: italic;
}

/* ---------- FAQ ---------- */
.faq {
  padding: 5rem 0;
  background: white;
}

.faq-lista {
  max-width: 720px;
  margin: 2.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--dark);
  background: var(--gray-light);
  transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--gray); transition: transform 0.3s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item[open] summary { background: #eff6ff; color: var(--brand-blue); }

.faq-item p {
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
  border-top: 1px solid #e2e8f0;
}

/* ---------- CTA FINAL ---------- */
.cta-final {
  padding: 6rem 0;
  background: linear-gradient(160deg, #f0f9ff, #f0fdf4);
}

.cta-content {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.cta-badge {
  display: inline-block;
  background: linear-gradient(135deg, #dbeafe, #dcfce7);
  color: var(--brand-blue-dark);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid #bfdbfe;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.cta-form input,
.cta-form select {
  padding: 0.85rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--dark);
  background: white;
  transition: border-color 0.2s;
  outline: none;
}

.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--brand-blue);
}

.cta-nota {
  font-size: 0.82rem;
  color: var(--gray);
  margin-top: 1rem;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--dark);
  color: white;
  padding: 3.5rem 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #1e293b;
}

.footer-brand .logo-text { color: white; }

.footer-brand p {
  color: #64748b;
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 260px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: #475569;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: white; }

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
  color: #334155;
  font-size: 0.85rem;
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-inner > * {
  animation: fadeUp 0.6s ease backwards;
}
.hero-badge    { animation-delay: 0.05s; }
.hero-title    { animation-delay: 0.15s; }
.hero-subtitle { animation-delay: 0.25s; }
.hero-actions  { animation-delay: 0.35s; }
.hero-proof    { animation-delay: 0.45s; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .solucion-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .caras-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .nav.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    gap: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 99;
  }
  .mobile-menu-btn { display: block; }

  .hero { padding: 3rem 0 2.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }

  .pasos { grid-template-columns: 1fr; }

  .footer-links { grid-template-columns: 1fr; }

  .problema-grid { grid-template-columns: 1fr; }

  .especialidades-grid { gap: 0.5rem; }
}