/* ==========================================================================
   BTP – Productora Audiovisual
   assets/css/styles.css
   Paleta inspirada en el cacao y el paisaje navarro
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables CSS (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colores primarios – Cacao */
  --color-cacao-900:  #1e0d03;
  --color-cacao-800:  #3b1a08;
  --color-cacao-700:  #5c2c0f;
  --color-cacao-600:  #7d3d1a;
  --color-cacao-500:  #9c4f24;
  --color-cacao-400:  #be7047;
  --color-cacao-300:  #d4956f;
  --color-cacao-200:  #e8c4a8;
  --color-cacao-100:  #f5e9de;
  --color-cacao-50:   #fdf7f2;

  /* Colores secundarios – Paisaje navarro (verdes) */
  --color-navarra-900: #0f2209;
  --color-navarra-800: #1e3d10;
  --color-navarra-700: #2d5a18;
  --color-navarra-600: #3d7422;
  --color-navarra-500: #4e8f2c;
  --color-navarra-400: #6aaa46;
  --color-navarra-300: #90c270;
  --color-navarra-200: #b8d9a2;
  --color-navarra-100: #dcefd3;
  --color-navarra-50:  #f2f8ee;

  /* Neutros tierra */
  --color-tierra-dark:   #2a2016;
  --color-tierra-mid:    #5c4d3a;
  --color-tierra-light:  #b5a28a;
  --color-tierra-pale:   #f0e8da;
  --color-white:         #ffffff;
  --color-black:         #0d0a07;

  /* Semánticos */
  --color-bg:          var(--color-cacao-50);
  --color-bg-alt:      var(--color-cacao-100);
  --color-surface:     var(--color-white);
  --color-text:        var(--color-tierra-dark);
  --color-text-muted:  var(--color-tierra-mid);
  --color-accent:      var(--color-cacao-600);
  --color-accent-hover:var(--color-cacao-700);
  --color-green:       var(--color-navarra-600);
  --color-green-hover: var(--color-navarra-700);

  /* Tipografía */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'Courier New', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-hero: clamp(4rem, 10vw, 8rem);

  --leading-tight:  1.2;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width:        1200px;
  --max-width-narrow: 760px;
  --header-height:    72px;

  /* Bordes y sombras */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(30,13,3,.08), 0 1px 2px rgba(30,13,3,.06);
  --shadow-md:  0 4px 12px rgba(30,13,3,.10), 0 2px 6px rgba(30,13,3,.07);
  --shadow-lg:  0 10px 30px rgba(30,13,3,.12), 0 4px 12px rgba(30,13,3,.08);
  --shadow-xl:  0 20px 50px rgba(30,13,3,.16), 0 8px 20px rgba(30,13,3,.10);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font: inherit;
}

/* Accesibilidad – foco visible */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-4);
}

/* Screen reader only */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  word-wrap: normal !important;
}
.screen-reader-text:focus {
  clip: auto !important;
  clip-path: none;
  display: block;
  height: auto;
  width: auto;
  margin: 0;
  overflow: visible;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   3. Utilidades / Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-24);
}

/* --------------------------------------------------------------------------
   4. Cabecera del sitio
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: transparent;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(30, 13, 3, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Marca / Logo */
.site-branding {
  flex-shrink: 0;
}

.site-logo-text,
.footer-logo-text {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}

.site-logo-text {
  font-size: var(--text-2xl);
  color: var(--color-white);
}

.site-logo-image,
.custom-logo {
  max-height: 56px;
  width: auto;
}

.logo-siglas {
  color: var(--color-cacao-300);
}

/* Navegación principal */
.primary-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-menu a {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
  padding-block: var(--space-2);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--color-cacao-200);
}

.nav-menu .nav-cta {
  background-color: var(--color-cacao-500);
  color: var(--color-white);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-menu .nav-cta:hover,
.nav-menu .nav-cta:focus-visible {
  background-color: var(--color-cacao-400);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Botón hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-cacao-600);
  color: var(--color-white);
  border: 2px solid var(--color-cacao-600);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-cacao-700);
  border-color: var(--color-cacao-700);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-cacao-600);
  border: 2px solid var(--color-cacao-400);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: var(--color-cacao-600);
  border-color: var(--color-cacao-600);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   6. Cabeceras de sección
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-cacao-800);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

/* --------------------------------------------------------------------------
   7. Hero / Portada
   -------------------------------------------------------------------------- */
.section-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-cacao-900);
  /* Degradado inspirado en cacao y tierra oscura */
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(92,44,15,0.6) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(45,90,24,0.3) 0%, transparent 60%),
    linear-gradient(160deg, var(--color-cacao-900) 0%, #2a1506 40%, #1a2b10 100%);
}

/* Textura sutil tipo pergamino */
.section-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(30,13,3,0.4) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: var(--space-32);
}

.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cacao-300);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-heading);
  line-height: 1;
  margin-bottom: var(--space-6);
}

.hero-siglas {
  display: block;
  font-size: var(--text-hero);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
  /* Efecto con degradado de cacao */
  background: linear-gradient(135deg, var(--color-cacao-100) 0%, var(--color-cacao-300) 50%, var(--color-cacao-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
  color: rgba(245,233,222,0.8);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: var(--leading-loose);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* Indicador de scroll */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-arrow {
  display: block;
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,0.5);
  border-bottom: 2px solid rgba(255,255,255,0.5);
  transform: rotate(45deg);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
  50%       { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

/* --------------------------------------------------------------------------
   8. Sección Proyectos
   -------------------------------------------------------------------------- */
.section-proyectos {
  background-color: var(--color-bg-alt);
  padding-block: var(--space-24);
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.proyecto-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(200,170,140,0.2);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.proyecto-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-cacao-500), var(--color-navarra-500));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.proyecto-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.proyecto-card__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background-color: var(--color-navarra-100);
  color: var(--color-navarra-700);
}

.proyecto-card__icon {
  width: 56px;
  height: 56px;
  color: var(--color-cacao-500);
  flex-shrink: 0;
}

.proyecto-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-cacao-800);
  line-height: var(--leading-tight);
}

.proyecto-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  flex-grow: 1;
}

.proyecto-card__cta {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-5);
}

/* --------------------------------------------------------------------------
   9. Sección Contacto
   -------------------------------------------------------------------------- */
.section-contacto {
  background-color: var(--color-cacao-900);
  color: var(--color-cacao-100);
}

.section-contacto .section-title {
  color: var(--color-cacao-100);
}

.contacto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contacto-intro {
  font-size: var(--text-lg);
  color: rgba(245,233,222,0.75);
  line-height: var(--leading-loose);
}

.contacto-datos {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contacto-datos li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-cacao-200);
}

.contacto-datos a {
  color: var(--color-cacao-200);
  transition: color var(--transition-fast);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.contacto-datos a:hover,
.contacto-datos a:focus-visible {
  color: var(--color-cacao-100);
  text-decoration-color: currentColor;
}

.icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-cacao-400);
}

.contacto-redes {
  font-size: var(--text-sm);
  color: rgba(245,233,222,0.5);
  font-style: italic;
}

/* Formulario */
.contacto-form-wrap {
  background-color: rgba(255,255,255,0.05);
  border: 1px solid rgba(200,170,140,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
}

.form-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-cacao-100);
  margin-bottom: var(--space-6);
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-cacao-200);
}

.form-group label span {
  color: var(--color-cacao-400);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(255,255,255,0.07);
  border: 1px solid rgba(200,170,140,0.25);
  border-radius: var(--radius-md);
  color: var(--color-cacao-100);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(245,233,222,0.35);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cacao-400);
  background-color: rgba(255,255,255,0.10);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--color-cacao-400);
  outline-offset: 2px;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-notice {
  font-size: var(--text-xs);
  color: rgba(245,233,222,0.45);
}

.form-submit {
  width: 100%;
  padding-block: var(--space-4);
  font-size: var(--text-base);
}

.form-plugin-notice {
  font-size: var(--text-xs);
  color: rgba(245,233,222,0.4);
  line-height: var(--leading-normal);
  text-align: center;
  margin-top: var(--space-2);
}

.form-plugin-notice code {
  font-family: var(--font-mono);
  background-color: rgba(255,255,255,0.08);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-cacao-900);
  border-top: 1px solid rgba(200,170,140,0.12);
  padding-block: var(--space-12);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-logo-text {
  font-size: var(--text-2xl);
  color: var(--color-cacao-200);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-tagline {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-tierra-light);
}

.footer-nav ul {
  display: flex;
  gap: var(--space-6);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(245,233,222,0.6);
  transition: color var(--transition-fast);
  letter-spacing: 0.04em;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-cacao-200);
}

.footer-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-fullname {
  font-size: var(--text-xs);
  color: rgba(245,233,222,0.45);
  font-style: italic;
  line-height: var(--leading-normal);
  max-width: 300px;
  margin-left: auto;
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(245,233,222,0.35);
}

/* --------------------------------------------------------------------------
   11. Página genérica (page.php / index.php)
   -------------------------------------------------------------------------- */
.page-content,
.site-main {
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-24);
  min-height: 60vh;
}

.entry-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-cacao-800);
  margin-bottom: var(--space-8);
}

.entry-content {
  max-width: var(--max-width-narrow);
  line-height: var(--leading-loose);
}

.entry-preview {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-cacao-100);
}

.entry-preview .entry-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   12. Responsive
   -------------------------------------------------------------------------- */

/* Tablet – breakpoint medio */
@media (max-width: 900px) {
  .contacto-inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }

  .footer-meta {
    text-align: center;
    align-items: center;
  }

  .footer-fullname {
    margin-inline: auto;
  }
}

/* Móvil – breakpoint pequeño */
@media (max-width: 640px) {
  :root {
    --space-24: 4rem;
    --space-16: 3rem;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(30,13,3,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .primary-nav.is-open {
    transform: translateX(0);
  }

  .nav-menu {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .nav-menu a {
    font-size: var(--text-xl);
    letter-spacing: 0.1em;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

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

  .section-title {
    font-size: var(--text-3xl);
  }

  .contacto-form-wrap {
    padding: var(--space-6) var(--space-5);
  }

  .footer-nav ul {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
}

/* Accesibilidad – preferencia de movimiento reducido */
@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;
  }
}