/* =====================================================
   MODERN CSS VARIABLES & BASE STYLES
   ===================================================== */
:root {
    /* Layout */
    --header-h: 80px;
    --tablet-header-h: 75px;
    --mobile-header-h: 70px;
    --section-padding: 80px;
    --section-padding-tablet: 60px;
    --section-padding-mobile: 50px;
    --container-padding: 20px;
    --container-padding-tablet: 25px;
    --container-padding-mobile: 15px;
    --portfolio-gap: 40px;
    --portfolio-gap-tablet: 30px;
    --portfolio-gap-mobile: 25px;
    
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #8b5cf6;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutral Colors */
    --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;
    
    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-elevated: #ffffff;
    
    /* Modern Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Animations */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Modern Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    --gradient-warm: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    
    /* Dark mode colors */
    --dark-bg-primary: var(--gray-900);
    --dark-bg-secondary: var(--gray-800);
    --dark-bg-elevated: var(--gray-800);
    --dark-text-primary: var(--gray-100);
    --dark-text-secondary: var(--gray-300);
    --dark-text-muted: var(--gray-400);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: var(--dark-text-primary);
        --text-secondary: var(--dark-text-secondary);
        --text-muted: var(--dark-text-muted);
        --bg-primary: var(--dark-bg-primary);
        --bg-secondary: var(--dark-bg-secondary);
        --bg-elevated: var(--dark-bg-elevated);
    }
}

/* Manual dark mode toggle class */
.dark {
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --text-muted: var(--dark-text-muted);
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --bg-elevated: var(--dark-bg-elevated);
}

/* =====================================================
   MAIN CONTENT & CONTAINER
   ===================================================== */
.main-content { 
    padding-top: var(--header-h);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition), color var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* =====================================================
   HERO MODERNO (idéntico a nosotros/servicios/portafolio)
   ===================================================== */
.hero-page {
  padding: 120px 0 100px !important;
  text-align: center !important;
  background: linear-gradient(135deg, #e91e63 0%, #8e24aa 35%, #5e35b1 70%, #1e88e5 100%) !important;
  position: relative !important;
  overflow: hidden !important;
  border-bottom: none !important;
}
.hero-page::before {
  content: '' !important;
  position: absolute !important;
  inset: 0 !important;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M30 30c0-11.046-8.954-20-20-20s-20 8.954-20 20 8.954 20 20 20 20-8.954 20-20zm30 0c0-11.046-8.954-20-20-20s-20 8.954-20 20 8.954 20 20 20 20-8.954 20-20z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat !important;
  opacity: 0.6 !important;
}
.hero-page > * { position: relative !important; z-index: 1 !important; }

.page-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem) !important;
  font-weight: 800 !important;
  margin-bottom: 24px !important;
  letter-spacing: -0.02em !important;
  text-transform: uppercase !important;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  text-shadow: 0 4px 20px rgba(0,0,0,0.1) !important;
}
.page-description {
  font-size: clamp(0.9rem, 1.8vw, 1.1rem) !important;
  color: rgba(255, 255, 255, 0.9) !important;
  max-width: 600px !important;
  margin: 0 auto !important;
  line-height: 1.7 !important;
  font-weight: 400 !important;
  letter-spacing: 0.01em !important;
}

/* Responsive hero */
@media (min-width: 769px) and (max-width: 1023px) {
  .hero-page { padding: 80px 0 60px !important; }
}
@media (max-width: 768px) {
  .hero-page { padding: 60px 0 50px !important; }
}
@media (max-width: 480px) {
  .hero-page { padding: 50px 0 40px !important; }
}

/* Accesibilidad / performance */
@media (prefers-reduced-motion: reduce) {
  .hero-page::before { animation: none !important; }
  .page-title { text-shadow: none !important; }
}
.hero-page { will-change: auto !important; }
.page-title { will-change: transform !important; }


/* =====================================================
   MODERN FILTER SECTION
   ===================================================== */
.filter-section {
    padding: 32px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: var(--header-h);
    z-index: 100;
    transition: all var(--transition);
}

.dark .filter-section {
    background: rgba(15, 23, 42, 0.8);
    border-bottom-color: var(--gray-700);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--gray-200);
    color: var(--text-secondary);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.01em;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition);
    z-index: -1;
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.filter-btn.active::before {
    left: 0;
}

.filter-btn:hover:not(.active) {
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.dark .filter-btn {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--gray-300);
}

.dark .filter-btn:hover:not(.active) {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

/* =====================================================
   MODERN SECTION STYLES
   ===================================================== */
.section { 
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
    transition: background-color var(--transition);
}

.section:nth-child(even) { 
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 60px;
    text-transform: none;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* =====================================================
   MODERN PORTFOLIO GRID
   ===================================================== */
.portfolio-main { 
    padding: 80px 0 120px;
    background: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--portfolio-gap);
}

.portfolio-item {
    background: var(--bg-elevated);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.portfolio-item:hover::before {
    transform: scaleX(1);
}

.dark .portfolio-item {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

.portfolio-item.filtered-out {
    display: none !important;
}

/* =====================================================
   MODERN PORTFOLIO IMAGE STYLES
   ===================================================== */
.portfolio-image {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    padding: 8px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.dark .portfolio-image {
    background: var(--gray-700);
}

.portfolio-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
    cursor: pointer;
    border-radius: var(--radius-md);
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.1);
}

.image-placeholder {
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px dashed var(--gray-300);
    height: 100%;
    width: 100%;
    border-radius: var(--radius-md);
}

.dark .image-placeholder {
    background: var(--gray-600);
    border-color: var(--gray-500);
    color: var(--gray-400);
}

/* =====================================================
   MODERN PORTFOLIO OVERLAY
   ===================================================== */
.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: all var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.view-project {
    background: white;
    color: var(--gray-900);
    border: none;
    padding: 16px 32px;
    font-size: 14px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.01em;
    cursor: pointer;
    margin-bottom: 20px;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
}

.view-project:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    color: white;
    font-size: 20px;
    text-decoration: none;
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-link:hover {
    background: white;
    color: var(--gray-900);
    border-color: white;
    transform: scale(1.1);
}

/* =====================================================
   MODERN PORTFOLIO INFO
   ===================================================== */
.portfolio-info {
    padding: 32px 28px;
}

.portfolio-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: none;
    letter-spacing: -0.01em;
}

.project-category {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--gray-100);
    color: var(--text-muted);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.01em;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
}

.dark .tag {
    background: var(--gray-700);
    color: var(--gray-300);
    border-color: var(--gray-600);
}

.dark .tag:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* =====================================================
   MODERN STATS SECTION
   ===================================================== */
.stats-portfolio {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.stats-portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpolygon points='50,0 60,40 100,50 60,60 50,100 40,60 0,50 40,40'/%3E%3C/g%3E%3C/svg%3E") repeat;
}

.stats-portfolio .section-title {
    color: white;
}

.stats-portfolio .section-title::after {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition);
}

.stat-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition);
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* =====================================================
   CONTACT CTA SECTION
   ===================================================== */
.contact-cta {
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    color: white;
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact-cta h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.contact-cta p {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 550px; /* Ajustado para consistencia */
    margin: 0 auto 35px;
    opacity: 0.9;
}

.cta-button {
    background: white;
    color: #2c2c2c;
    border: none;
    padding: 18px 35px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 0;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* =====================================================
   MODERN PROJECT MODAL
   ===================================================== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition);
}

.project-modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-elevated);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    transform: translateY(20px);
    transition: transform var(--transition);
}

.dark .modal-content {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

.project-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 40px 40px 0;
    position: relative;
}

.modal-header h3 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: none;
    letter-spacing: -0.02em;
}

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

.close-modal {
    position: absolute;
    top: 24px;
    right: 40px;
    background: var(--gray-100);
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.close-modal:hover {
    background: var(--gray-200);
    color: var(--text-primary);
    transform: scale(1.1);
}

.dark .close-modal {
    background: var(--gray-700);
    color: var(--gray-400);
}

.dark .close-modal:hover {
    background: var(--gray-600);
    color: var(--gray-200);
}

.modal-body {
    padding: 0 40px 40px;
}

.modal-image {
    width: 100%;
    height: 300px;
    margin-bottom: 32px;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.dark .modal-image {
    background: var(--gray-700);
}

.modal-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.modal-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.modal-features {
    margin-bottom: 32px;
}

.modal-features h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: none;
    letter-spacing: -0.01em;
}

.modal-features ul {
    list-style: none;
    columns: 2;
    column-gap: 32px;
}

.modal-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 24px;
    break-inside: avoid;
}

.modal-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.modal-tags {
    margin-bottom: 32px;
}

.modal-links {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.modal-link {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.01em;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}

.modal-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* =====================================================
   MODERN IMAGE ZOOM MODAL
   ===================================================== */
.image-zoom-modal {
    position: fixed;
    inset: 0;
    padding: clamp(8px, 3vw, 24px);
    display: none;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 20000;
}

.image-zoom-modal.active {
    display: flex;
}

.image-zoom-overlay {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

.image-zoom-container {
    position: relative;
    width: min(96vw, 1100px);
    max-height: calc(100dvh - 2rem);
    min-width: 0;
    min-height: 0;
    background: var(--bg-elevated);
    border-radius: var(--radius-2xl);
    padding: clamp(10px, 2.5vw, 24px);
    box-shadow: var(--shadow-2xl);
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.dark .image-zoom-container {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

.image-zoom-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: calc(100% - clamp(0px, 2vw, 12px));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-zoom-close {
    position: absolute;
    top: clamp(8px, 2vw, 16px);
    right: clamp(8px, 2vw, 16px);
    background: var(--bg-elevated);
    border: 1px solid var(--gray-200);
    width: clamp(36px, 8vw, 50px);
    height: clamp(36px, 8vw, 50px);
    border-radius: var(--radius-full);
    font-size: clamp(18px, 4vw, 22px);
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.image-zoom-close:hover {
    background: var(--gray-50);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.dark .image-zoom-close {
    background: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-200);
}

.dark .image-zoom-close:hover {
    background: var(--gray-600);
}

/* =====================================================
   RESPONSIVE DESIGN - TABLETS & MOBILE
   ===================================================== */
@media (min-width: 1400px) {
    .container {
        max-width: 1380px;
        padding: 0 40px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 32px;
    }
    
    .portfolio-image {
        height: 350px;
    }
}

@media (min-width: 769px) and (max-width: 1023px) {
    :root {
        --header-h: var(--tablet-header-h);
        --section-padding: var(--section-padding-tablet);
        --container-padding: var(--container-padding-tablet);
        --portfolio-gap: var(--portfolio-gap-tablet);
    }
    
    .hero-page {
        padding: 80px 0 60px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .portfolio-image {
        height: 280px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .modal-content {
        max-width: 90vw;
    }
    
    .modal-header,
    .modal-body {
        padding: 32px;
    }
    
    .modal-features ul {
        columns: 1;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: var(--mobile-header-h);
        --section-padding: var(--section-padding-mobile);
        --container-padding: var(--container-padding-mobile);
        --portfolio-gap: var(--portfolio-gap-mobile);
    }
    
    .hero-page {
        padding: 60px 0 50px;
    }
    
    .filter-section {
        padding: 24px 0;
    }
    
    .filter-buttons {
        gap: 12px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .portfolio-main {
        padding: 60px 0 80px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }
    
    .portfolio-image {
        height: 250px;
    }
    
    .portfolio-info {
        padding: 24px 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .contact-cta {
        padding: 60px 60px;
    }
    
    .project-modal {
        padding: 16px;
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body {
        padding: 24px;
    }
    
    .modal-image {
        height: 200px;
        margin-bottom: 24px;
    }
    
    .modal-features ul {
        columns: 1;
    }
    
    .modal-links {
        flex-direction: column;
        gap: 12px;
    }
    
    .modal-link {
        text-align: center;
    }
    
    .image-zoom-modal {
        padding: 12px;
    }
    
    .image-zoom-container {
        width: 92vw;
        max-height: 78svh;
        padding: 12px;
        border-radius: var(--radius-xl);
    }
    
    .image-zoom-close {
        top: 8px;
        right: 8px;
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        padding: 0 12px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .image-zoom-container {
        width: 90vw;
        max-height: 70svh;
        padding: 8px;
    }
    
    .image-zoom-close {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }
}

/* =====================================================
   ACCESSIBILITY & PERFORMANCE
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.filter-btn:focus-visible,
.view-project:focus-visible,
.project-link:focus-visible,
.cta-button:focus-visible,
.modal-link:focus-visible,
.close-modal:focus-visible,
.image-zoom-close:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 4px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 8px 0 rgb(0 0 0 / 0.3);
        --shadow-lg: 0 8px 16px 0 rgb(0 0 0 / 0.3);
    }
    
    .portfolio-item {
        border: 2px solid var(--gray-400);
    }
    
    .filter-btn {
        border: 2px solid var(--gray-400);
    }
}

.portfolio-item,
.stat-item,
.modal-content,
.image-zoom-container {
    will-change: transform, box-shadow;
}

.portfolio-img,
.stat-number,
.image-zoom-img {
    will-change: transform;
}

@media (hover: none) {
    .portfolio-overlay {
        display: none;
    }
    
    .portfolio-item:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .portfolio-img {
        cursor: pointer;
    }
    
    .image-zoom-close {
        width: 44px;
        height: 44px;
        font-size: 22px;
    }
}

/* Añade esto AL FINAL de tu CSS, después de todos los @media */

/* FORZAR zoom móvil más pequeño */
@media (max-width: 768px) {
    .image-zoom-modal {
        padding: 16px !important;
        background: rgba(0, 0, 0, 0.95) !important;
    }
    
    .image-zoom-container {
        width: calc(100vw - 32px) !important;
        max-height: 55vh !important;
        padding: 16px !important;
        border-radius: var(--radius-lg) !important;
    }
    
    .image-zoom-img {
        max-height: 100% !important;
        max-width: 100% !important;
        object-fit: contain !important;
    }
    
    .image-zoom-close {
        top: 12px !important;
        right: 12px !important;
        width: 44px !important;
        height: 44px !important;
        font-size: 20px !important;
        background: rgba(255, 255, 255, 0.95) !important;
    }
}

@media (max-width: 480px) {
    .image-zoom-container {
        max-height: 45vh !important;
    }
}

/* ==== TARJETAS MÁS COMPACTAS PERO CON IMÁGENES GRANDES ==== */
.portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
    gap: 20px !important;
    padding: 0 10px !important;
}

.portfolio-item {
    border-radius: var(--radius-lg) !important;
}

.portfolio-image {
    height: 260px !important; /* imagen más alta */
}

.portfolio-info {
    padding: 14px 12px !important; /* menos espacio de texto */
    font-size: 0.85rem !important;
}

.portfolio-info h3 {
    font-size: 1rem !important;
    margin-bottom: 6px !important;
}

.project-description {
    font-size: 0.85rem !important;
    line-height: 1.4 !important;
    margin-bottom: 12px !important;
}

/* ==== TARJETAS MÁS COMPACTAS PERO CON IMÁGENES GRANDES ==== */
.portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
    gap: 20px !important;
    padding: 0 10px !important;
}

.portfolio-item {
    border-radius: var(--radius-lg) !important;
}

.portfolio-image {
    height: 260px !important; /* imagen más alta */
}

.portfolio-info {
    padding: 14px 12px !important; /* menos espacio de texto */
    font-size: 0.85rem !important;
}

.portfolio-info h3 {
    font-size: 1rem !important;
    margin-bottom: 6px !important;
}

.project-description {
    font-size: 0.85rem !important;
    line-height: 1.4 !important;
    margin-bottom: 12px !important;
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .contact-cta {
    padding: 50px 0 !important;
  }
  .contact-cta h2 {
    font-size: 1.4rem !important;
    margin: 0 15px 15px !important;
    letter-spacing: -0.3px !important;
  }
  .contact-cta p {
    font-size: 0.9rem !important;
    margin: 0 15px 15px !important;
  }
  .cta-button {
    display: block !important;
    width: 80% !important;
    max-width: 250px !important;
    margin: 0 auto !important;
    padding: 14px 25px !important;
    font-size: 0.8rem !important;
  }
}

.portfolio-img {
    opacity: 0;
    transition: opacity .4s ease-in-out;
}

.portfolio-img[data-loaded="true"] {
    opacity: 1;
}