/* ==========================================================================
   DoctorVzla - Sistema de diseño compartido
   Paleta médica profesional azul/blanco
   ========================================================================== */

:root {
  /* Colores principales */
  --primary: #1e6fb8;
  --primary-dark: #155a96;
  --primary-light: #e8f2fb;
  --accent: #00b8a9;
  --accent-dark: #007a72;          /* uso para texto sobre fondos claros (WCAG AA) */
  --accent-light: #e0f7f5;

  /* Neutros */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Estado (WCAG AA compliant sobre fondo blanco) */
  --success: #047857;
  --warning: #b45309;
  --danger: #dc2626;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);

  /* Layout */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --container: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.logo:hover {
  color: var(--primary);
}

.logo__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--primary-pin, #1d4d8c);
}

/* Wordmark "Doctorvzla" — "Doctor" oscuro, "vzla" azul (como el diseño) */
.logo__wordmark {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.logo__wordmark-accent {
  color: var(--primary);
}

/* En el footer (fondo oscuro) el pin se invierte: cuerpo blanco, cruz azul */
.footer__brand .logo {
  color: var(--white);
}

.footer__brand .logo__icon {
  color: var(--white);
}

.footer__brand .logo__icon svg rect {
  fill: var(--gray-900);
}

.footer__brand .logo__wordmark-accent {
  color: #4a9eef;  /* azul más claro para que destaque sobre fondo oscuro */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--gray-700);
}

.menu-toggle:hover {
  background: var(--gray-100);
}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
}

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

.btn--secondary {
  background: var(--white);
  color: var(--primary);
  border: 1.5px solid var(--gray-200);
}

.btn--secondary:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-700);
}

.btn--ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn--lg {
  padding: 0.95rem 1.75rem;
  font-size: 1.05rem;
}

.btn--block {
  width: 100%;
}

/* ==========================================================================
   Tipografía
   ========================================================================== */
h1, h2, h3, h4 {
  color: var(--gray-900);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

.section-title {
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-500);
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section {
  padding: 4.5rem 0;
}

.section--alt {
  background: var(--gray-50);
}

/* ==========================================================================
   Tarjetas
   ========================================================================== */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.25s ease;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ==========================================================================
   Formularios
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 0.45rem;
}

.form-label .required {
  color: var(--danger);
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--gray-800);
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
  color: var(--gray-400);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}

.form-help {
  display: block;
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 0.35rem;
}

/* Input con icono */
.input-icon {
  position: relative;
}

.input-icon svg {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.input-icon .form-control {
  padding-left: 2.75rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 4rem 0 1.5rem;
  margin-top: 5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer__brand .logo {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer__about {
  color: var(--gray-400);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer__col h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer__col ul {
  list-style: none;
}

.footer__col li {
  margin-bottom: 0.6rem;
}

.footer__col a {
  color: var(--gray-400);
  font-size: 0.92rem;
}

.footer__col a:hover {
  color: var(--white);
}

.footer__bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--gray-400);
  font-size: 0.88rem;
}

/* ==========================================================================
   Badges & chips
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
}

.badge--accent {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.badge--soon {
  background: var(--gray-100);
  color: var(--gray-500);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid var(--gray-100);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0.5rem;
  }

  .nav-cta .btn--ghost {
    display: none;
  }

  .section {
    padding: 3rem 0;
  }
}

@media (max-width: 540px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Banner de cookies
   ========================================================================== */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  max-width: 720px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem 1.5rem;
  z-index: 150;
  display: none;
  align-items: center;
  gap: 1rem;
  transform: translateY(120%);
  transition: transform 0.35s ease;
}

.cookie-banner.is-visible {
  display: flex;
  transform: translateY(0);
}

.cookie-banner__text {
  flex: 1;
  color: var(--gray-700);
  font-size: 0.92rem;
  line-height: 1.5;
}

.cookie-banner__text a {
  color: var(--primary);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.cookie-banner .btn {
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 1rem;
  }
  .cookie-banner__actions {
    width: 100%;
  }
  .cookie-banner__actions .btn {
    flex: 1;
  }
}

/* ==========================================================================
   Páginas legales (privacidad, términos, cookies)
   ========================================================================== */

.legal-hero {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  padding: 3rem 0 2rem;
}

.legal-hero h1 {
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}

.legal-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--gray-600);
  font-size: 0.92rem;
  margin-top: 1rem;
}

.legal-hero__meta strong {
  color: var(--gray-800);
}

.legal-draft-banner {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius);
  padding: 0.9rem 1.25rem;
  margin-top: 1.5rem;
  color: #78350f;
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.legal-draft-banner svg {
  color: #b45309;
  flex-shrink: 0;
  margin-top: 2px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  padding: 3rem 0 4rem;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.legal-toc h2 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-bottom: 0.85rem;
}

.legal-toc ol {
  list-style: none;
  counter-reset: toc;
  padding: 0;
}

.legal-toc li {
  counter-increment: toc;
  margin-bottom: 0.35rem;
}

.legal-toc a {
  display: block;
  padding: 0.4rem 0;
  color: var(--gray-700);
  font-size: 0.9rem;
  line-height: 1.4;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  margin-left: -0.75rem;
  transition: all 0.15s ease;
}

.legal-toc a::before {
  content: counter(toc) ". ";
  color: var(--gray-400);
  font-weight: 600;
}

.legal-toc a:hover,
.legal-toc a.is-active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: var(--primary-light);
}

.legal-doc {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 760px;
  font-size: 0.96rem;
  line-height: 1.7;
}

.legal-doc .legal-summary {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

.legal-doc .legal-summary h3 {
  font-size: 1rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legal-doc .legal-summary p {
  color: var(--gray-700);
  font-size: 0.92rem;
  margin: 0;
}

.legal-doc h2 {
  font-size: 1.35rem;
  color: var(--gray-900);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 0.5rem;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.legal-doc h2:first-of-type {
  margin-top: 0;
}

.legal-doc h3 {
  font-size: 1.08rem;
  color: var(--gray-800);
  margin-top: 1.75rem;
  margin-bottom: 0.6rem;
}

.legal-doc p,
.legal-doc ul,
.legal-doc ol {
  margin-bottom: 1rem;
  color: var(--gray-700);
}

.legal-doc ul,
.legal-doc ol {
  padding-left: 1.5rem;
}

.legal-doc li {
  margin-bottom: 0.4rem;
}

.legal-doc strong {
  color: var(--gray-900);
}

.legal-doc a {
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 3px;
}

.legal-doc a:hover {
  text-decoration-color: var(--primary);
}

.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.legal-doc th,
.legal-doc td {
  border: 1px solid var(--gray-200);
  padding: 0.6rem 0.85rem;
  text-align: left;
  vertical-align: top;
}

.legal-doc th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-800);
}

.legal-doc .legal-callout {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.legal-doc .legal-callout--warning {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #7c2d12;
}

.legal-doc hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 2rem 0;
}

/* Print friendly */
@media print {
  .navbar, .footer, .legal-toc, .legal-draft-banner {
    display: none !important;
  }
  .legal-layout {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .legal-doc {
    border: none;
    padding: 0;
    max-width: none;
  }
  .legal-hero {
    background: none;
    padding: 1rem 0;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .legal-toc {
    position: static;
  }
  .legal-doc {
    padding: 1.5rem;
  }
}