/* ===================================================
   KLAUDIA WALOCH - PAISAJISMO MEDITERRÁNEO CONTEMPORÁNEO
   Estilos CSS Arquitectónicos y Responsivos
   =================================================== */

:root {
  /* Paleta Cromática Mediterránea & Arquitectónica */
  --bg-primary: #F7F5F0;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EFECE4;
  --bg-dark: #1E221E;
  --bg-dark-surface: #282D28;

  --text-main: #202420;
  --text-muted: #5C625A;
  --text-light: #F7F5F0;
  --text-faint: #8E968C;

  --accent-olive: #455541;
  --accent-olive-light: #5A6E55;
  --accent-terracotta: #B66B4B;
  --accent-terracotta-hover: #9E5638;
  --accent-sand: #D5C9B7;

  --border-light: #E4DEC5;
  --border-subtle: rgba(32, 36, 32, 0.08);

  /* Tipografía */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciado & Geometría */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* Contenedores y Grid */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.text-center {
  text-align: center;
}

.grid {
  display: grid;
  gap: 32px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Etiquetas y Títulos de Sección */
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--accent-terracotta);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 20px;
}

.section-description {
  max-width: 680px;
  margin: 0 auto 48px auto;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.lead-text {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-main);
  font-weight: 400;
  margin-bottom: 24px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-olive);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--accent-olive-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--text-main);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--text-main);
  color: var(--bg-surface);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Header & Navegación */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-icon {
  height: 38px;
  width: auto;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.brand-logo:hover .brand-icon {
  transform: scale(1.06);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-main);
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-olive);
  font-weight: 600;
}

.desktop-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav .nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.desktop-nav .nav-links a:hover {
  color: var(--text-main);
}

.desktop-nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent-terracotta);
  transition: width var(--transition-fast);
}

.desktop-nav .nav-links a:hover::after {
  width: 100%;
}

.desktop-nav .nav-links a.nav-icon-link::after {
  display: none;
}

.nav-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.nav-icon-link:hover {
  color: var(--accent-terracotta);
  transform: scale(1.15);
}

.bulb-icon {
  display: block;
  transition: transform var(--transition-fast), stroke var(--transition-fast);
}

.nav-icon-link:hover .bulb-icon {
  stroke: var(--accent-terracotta);
  filter: drop-shadow(0 0 6px rgba(182, 107, 75, 0.4));
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn .bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background-color: var(--bg-primary);
  padding: 32px 24px;
  overflow-y: auto;
  border-top: 1px solid var(--border-subtle);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}

.mobile-cta {
  margin-top: 16px;
  text-align: center;
}

.mobile-social {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--accent-olive);
}

/* 1. Hero Section */
.hero-section {
  position: relative;
  min-height: 84vh;
  display: flex;
  align-items: center;
  padding: 80px 0 100px 0;
  background: 
    radial-gradient(circle at 85% 20%, rgba(213, 201, 183, 0.45) 0%, transparent 60%),
    radial-gradient(circle at 10% 80%, rgba(69, 85, 65, 0.08) 0%, transparent 50%),
    var(--bg-primary);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background-color: rgba(69, 85, 65, 0.1);
  border: 1px solid rgba(69, 85, 65, 0.2);
  color: var(--accent-olive);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1.12;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-terracotta);
  line-height: 1;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.metric-divider {
  width: 1px;
  height: 40px;
  background-color: var(--border-light);
}

/* 2. Filosofía / Enfoque */
.philosophy-section {
  background-color: var(--bg-surface);
}

.philosophy-card {
  background-color: var(--bg-primary);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.philosophy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(69, 85, 65, 0.1);
  color: var(--accent-olive);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.philosophy-card h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

.philosophy-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 3. Portfolio / Galería Optimizada & Visual */
.portfolio-section {
  background-color: var(--bg-primary);
  padding: 90px 0;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--accent-olive);
  border-color: var(--accent-olive);
  color: #FFFFFF;
}

/* Cuadrícula 2 columnas para protagonismo visual de las imágenes */
.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 28px;
}

.visual-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.project-media-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: #2D332B;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.project-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.project-media-wrapper:hover .project-main-image {
  transform: scale(1.035);
  filter: brightness(0.95);
}

.project-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(20, 24, 20, 0.75) 100%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-media-wrapper:hover .project-media-overlay {
  opacity: 1;
}

.overlay-cta {
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.project-pill-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  z-index: 2;
}

.project-caption {
  padding: 14px 2px 4px 2px;
}

.project-caption .project-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
  margin: 0;
}

/* 4. Modalidades de Colaboración */
.collaboration-section {
  background-color: var(--bg-surface);
  padding: 100px 0;
}

.collaboration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.collab-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.collab-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.featured-collab-card {
  border: 2px solid var(--accent-olive);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 24px;
  background-color: var(--accent-olive);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 12px;
}

.collab-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.collab-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  display: block;
  margin-bottom: 8px;
}

.collab-header h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 10px;
}

.collab-for {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.collab-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex-grow: 1;
  margin-bottom: 24px;
}

.collab-block {
  display: flex;
  flex-direction: column;
}

.collab-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin-bottom: 8px;
}

.collab-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.collab-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.collab-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--accent-olive);
  font-weight: bold;
}

.deliverable-block {
  background: rgba(69, 85, 65, 0.06);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent-olive);
}

.deliverable-block p {
  font-size: 0.82rem;
  color: var(--text-main);
  margin: 0;
  line-height: 1.45;
}

.collab-footer {
  margin-top: auto;
}

/* Ficha 4: Servicio Especial (Oscura y destacada) */
.special-collab-card {
  background: linear-gradient(135deg, #252C23 0%, #171C16 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

.special-collab-card .collab-header {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.special-collab-badge {
  color: #E2BA9A;
}

.special-collab-card .collab-header h3 {
  color: #FFFFFF;
}

.special-collab-for {
  color: #CFD7CC;
}

.special-collab-label {
  color: #E2BA9A;
}

.special-collab-list li {
  color: #CFD7CC;
}

.special-collab-list li::before {
  color: #E2BA9A;
}

/* 5. Guías & Criterio */
.guides-section {
  background-color: var(--bg-surface);
  padding: 100px 0;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}

.guide-card {
  background: var(--bg-primary);
  padding: 36px 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
}

.guide-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-olive);
}

.guide-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.guide-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-terracotta);
}

.guide-time {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.guide-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 14px;
}

.guide-excerpt {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.guide-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-olive);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.guide-card:hover .guide-link {
  gap: 10px;
  color: var(--accent-terracotta);
}

/* 6. Sobre Mí */
.about-section {
  background-color: var(--bg-primary);
}

.about-wrapper {
  align-items: center;
  gap: 60px;
}

.about-photo-wrapper {
  position: relative;
}

.about-photo-placeholder {
  width: 100%;
  height: 480px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #3B4638 0%, #20271E 100%);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.about-photo-art {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.architect-sketch {
  width: 220px;
  height: 220px;
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sketch-line {
  position: absolute;
  width: 140px;
  height: 2px;
  background-color: rgba(229, 186, 138, 0.4);
  transform: rotate(45deg);
}

.sketch-compass {
  width: 60px;
  height: 60px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transform: rotate(15deg);
}

.about-badge-card {
  position: absolute;
  bottom: -24px;
  right: 24px;
  background: var(--bg-surface);
  padding: 20px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.badge-sub {
  font-size: 0.8rem;
  color: var(--accent-terracotta);
  font-weight: 600;
}

.about-text-col p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.about-credentials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.cred-item {
  display: flex;
  flex-direction: column;
}

.cred-item strong {
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.cred-item span, .cred-item a {
  font-size: 0.85rem;
  color: var(--accent-olive);
}

/* 6. Sección de Contacto */
.contact-section {
  background-color: var(--bg-surface);
}

.contact-card {
  background-color: var(--bg-primary);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

.contact-card > p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 36px;
}

.method-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.method-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(69, 85, 65, 0.1);
  color: var(--accent-olive);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.method-item p, .method-item a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.method-item a:hover {
  color: var(--accent-terracotta);
}

.instagram-callout {
  margin-top: auto;
  background: rgba(182, 107, 75, 0.08);
  border: 1px dashed var(--accent-terracotta);
  padding: 20px;
  border-radius: var(--radius-md);
}

.instagram-callout p {
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.contact-form {
  background-color: var(--bg-primary);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-olive);
  background-color: #FFFFFF;
}

.form-notice {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 12px;
  text-align: center;
}

.form-feedback {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

.form-feedback.success {
  background: #EAF5EA;
  color: #2D5832;
  border: 1px solid #C3E3C7;
}

.form-feedback.hidden {
  display: none;
}

/* Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--accent-sand);
  display: block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-faint);
  max-width: 380px;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-faint);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact p {
  font-size: 0.9rem;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--accent-sand);
}

.footer-bottom {
  padding: 24px 0;
  background-color: #161A16;
  font-size: 0.8rem;
  color: var(--text-faint);
}

.bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Modal Interactivo de Proyectos */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 22, 18, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-surface);
  width: 100%;
  max-width: 840px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.is-active .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  color: var(--text-main);
  transition: background-color var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--accent-olive);
  color: #FFFFFF;
}

.modal-body {
  padding: 48px;
}

.modal-header-section {
  margin-bottom: 24px;
}

.modal-tag {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-terracotta);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--text-main);
  margin: 6px 0 12px 0;
}

.modal-meta-bar {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.modal-content-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.modal-section-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 10px;
}

.modal-zones-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.zone-item {
  background: var(--bg-primary);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-olive);
}

.zone-item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-main);
}

.zone-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal-specs-box {
  background: var(--bg-primary);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

/* ===================================================
   RESPONSIVIDAD & MEDIA QUERIES
   =================================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.2rem;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .collaboration-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .metric-divider {
    display: none;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .collaboration-grid {
    grid-template-columns: 1fr;
  }
  .guides-grid {
    grid-template-columns: 1fr;
  }
  .visual-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-credentials {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .modal-content-grid {
    grid-template-columns: 1fr;
  }
  .modal-body {
    padding: 32px 20px;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .bottom-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}