/* ============================================
   marianocuesta.com — Estilos principales
   Outfit (titulares) + Atkinson Hyperlegible (cuerpo)
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #ffffff;
  --color-text: #0f1729;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-accent: #7B2D2D;
  --color-accent-hover: #5C1F1F;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-surface: #f9fafb;

  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'Atkinson Hyperlegible', system-ui, sans-serif;

  --max-width: 1120px;
  --content-width: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;

  --radius: 6px;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- Focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;
  z-index: 1000;
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-sm);
}

/* --- Plexus canvas --- */
#plexus {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 35vh;
  pointer-events: none;
  z-index: 0;
}

/* --- Layout wrapper --- */
main {
  position: relative;
  z-index: 1;
}

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
}

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-light);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* --- Hero (home) --- */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) 2rem var(--space-lg);
  min-height: 55vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  line-height: 1.06;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  max-width: 640px;
}

.hero-title .muted {
  color: var(--color-text-light);
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 480px;
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* --- Botones --- */
.btn-primary {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  background: var(--color-accent);
  color: #fff;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
  display: inline-block;
  transition: color 0.2s, border-color 0.2s;
}
.btn-secondary:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

/* --- Links --- */
.link-primary {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
  display: inline-block;
}
.link-primary:hover {
  color: var(--color-text);
}

/* --- Credenciales banner --- */
.credentials {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  gap: 2rem;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

/* --- Secciones de página --- */
.page-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 2rem;
}

.page-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 2rem 1.5rem;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.page-header .lead {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 560px;
  line-height: 1.65;
}

/* --- Tarjetas de servicio --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: var(--space-lg);
}

.service-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s;
  background: var(--color-bg);
}

.service-card:hover {
  border-color: var(--color-accent);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- Blog listing --- */
.blog-list {
  margin-top: var(--space-lg);
}

.blog-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  display: block;
  transition: border-color 0.2s;
}
.blog-item:first-child {
  border-top: 1px solid var(--color-border-light);
}
.blog-item:hover {
  border-color: var(--color-accent);
}

.blog-item time {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.blog-item h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 0.375rem;
  line-height: 1.3;
}

.blog-item p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

.blog-item .post-tag {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Post individual --- */
.post {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) 2rem var(--space-2xl);
}

.post-header {
  margin-bottom: var(--space-lg);
}

.post-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.post-tag {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  line-height: 1.1;
  color: var(--color-text);
}

.post-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* --- Prose (contenido de artículos) --- */
.prose h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
  color: var(--color-text);
  line-height: 1.2;
}

.prose h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1875rem;
  margin: 2rem 0 0.5rem;
  color: var(--color-text);
  line-height: 1.3;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}
.prose a:hover {
  color: var(--color-accent-hover);
}

.prose ul, .prose ol {
  margin: 1rem 0 1.25rem 1.5rem;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.375rem; }

.prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-light);
  font-style: italic;
}

.prose code {
  font-family: 'Atkinson Hyperlegible Mono', 'Fira Code', monospace;
  font-size: 0.875em;
  background: var(--color-surface);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

.prose pre {
  background: var(--color-text);
  color: #e5e7eb;
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.875rem;
  line-height: 1.6;
}
.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.prose img {
  border-radius: 8px;
  margin: 1.5rem 0;
}

.post-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.back-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s;
}
.back-link:hover {
  color: var(--color-accent);
}

/* --- Biografía --- */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem var(--space-2xl);
  align-items: start;
}

.bio-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  flex-shrink: 0;
  max-width: 400px;
}

.bio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;

  /* Máscara orgánica fluida animada */
  overflow: hidden;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  animation: fluido 6s ease-in-out infinite;
  transition: transform 0.3s ease;
}

.bio-image-wrapper:hover .bio-image {
  transform: scale(1.01);
}

/* Animación: movimiento orgánico fluido */
@keyframes fluido {
  0% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  }
  25% {
    border-radius: 60% 40% 50% 50% / 50% 40% 30% 70%;
  }
  50% {
    border-radius: 30% 70% 40% 60% / 70% 30% 40% 60%;
  }
  75% {
    border-radius: 70% 30% 60% 40% / 30% 70% 50% 40%;
  }
  100% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  }
}

.bio-content {
  padding: 0;
}

.bio-content p {
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
}

.bio-content p:first-of-type {
  font-size: 1.1875rem;
  color: var(--color-text-light);
  margin-top: 0;
}

/* --- Contacto --- */
.contact-section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 2rem var(--space-2xl);
}

.contact-form {
  margin-top: var(--space-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-status {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  display: block;
}

.form-status--success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-status--error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* --- Footer --- */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-2xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) 2rem var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
}

.footer-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.footer-desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  max-width: 360px;
  line-height: 1.5;
}

.footer-right {
  text-align: right;
}

.footer-social {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
  justify-content: flex-end;
}

.footer-social a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s;
}
.footer-social a:hover {
  color: var(--color-accent);
}

.footer-legal {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
}
.footer-legal a:hover {
  color: var(--color-text);
}

.footer-copy {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) 2rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Hero content (home) --- */
.hero-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: block;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  max-width: 700px;
}

.hero-content h1 em {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: var(--space-lg);
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* --- Sección header --- */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.5rem);
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.section-header .lead {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 560px;
  line-height: 1.65;
}

/* --- Grid de valores --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: var(--space-md);
}

.value-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: var(--color-bg);
}

.value-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.value-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- Preview de blog --- */
.blog-preview {
  margin-top: var(--space-xl);
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: var(--space-md);
}

.blog-preview-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  display: block;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: var(--color-bg);
  text-decoration: none;
  color: inherit;
}

.blog-preview-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.blog-preview-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-preview-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.blog-preview-card time {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: block;
}

/* --- CTA Section --- */
.cta-section {
  max-width: var(--max-width);
  margin: var(--space-xl) auto 0;
  padding: var(--space-xl) 2rem;
  text-align: center;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.cta-section p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #plexus { display: none; }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.625rem 0; }
  .nav-links a { font-size: 1rem; }
  .nav-toggle { display: flex; }

  .hero {
    padding: var(--space-xl) 1.5rem;
    min-height: 60vh;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.75rem);
  }

  .page-section,
  .page-header { padding-left: 1.5rem; padding-right: 1.5rem; }

  .bio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .bio-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

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

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

  .blog-preview-grid { grid-template-columns: 1fr; }

  .hero-cta { flex-direction: column; align-items: flex-start; }

  .cta-section { padding: var(--space-lg) 1.5rem; }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-md);
  }
  .footer-right { text-align: left; }
  .footer-social, .footer-legal { justify-content: flex-start; }

  .credentials { gap: 1rem; }

  #plexus { height: 35vh; }
}

/* --- Accordion (Servicios) --- */
.services-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.accordion-item {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-bg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.accordion-header {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.accordion-item:hover .accordion-header {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-surface) 0%, #f5f5f5 100%);
  transform: translateY(-2px);
}

.accordion-header:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.accordion-header[aria-expanded="true"] {
  border-bottom: none;
  border-radius: 16px 16px 0 0;
  border-color: var(--color-accent);
}

.accordion-title {
  flex: 1;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accordion-icon {
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--color-accent);
  margin-left: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(123, 45, 45, 0.08);
}

.accordion-header:hover .accordion-icon {
  background: rgba(123, 45, 45, 0.12);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-content[hidden] {
  display: none;
}

.accordion-content:not([hidden]) {
  display: block;
  max-height: 1200px;
}

.accordion-body {
  padding: 1.5rem 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-top: 1px solid var(--color-accent);
  border-radius: 0 0 16px 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.accordion-body p {
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.accordion-body p:last-of-type {
  margin-bottom: 1rem;
}

.accordion-body strong {
  color: var(--color-text);
  font-weight: 600;
}

.accordion-body ul {
  margin: 0.75rem 0 1.25rem 1.75rem;
  list-style: none;
}

.accordion-body li {
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  position: relative;
  padding-left: 1rem;
}

.accordion-body li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.accordion-body .btn {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
}

@media (max-width: 480px) {
  .site-nav { padding: 1rem 1.25rem; }
  .hero { padding: var(--space-lg) 1.25rem; }
  .page-section, .page-header { padding-left: 1.25rem; padding-right: 1.25rem; }
  .post { padding-left: 1.25rem; padding-right: 1.25rem; }

  .accordion-header {
    padding: 1.25rem;
    font-size: 1rem;
  }

  .accordion-body {
    padding: 0 1.25rem 1.25rem;
  }
}