/* ============================================
   AGENCIA IA - STYLESHEET
   Diseño tech-forward con toques humanos
   ============================================ */

/* Variables CSS para consistencia */
:root {
    /* Colores principales - Navy + Naranja cálido */
    --color-primary: #0F1C3F;
    --color-primary-light: #1A2B54;
    --color-primary-dark: #080E1F;
    --color-accent: #FF6B35;
    --color-accent-light: #FF8A5B;
    --color-accent-dark: #E65525;
    
    /* Colores secundarios */
    --color-blue: #2E5BFF;
    --color-green: #00D9A3;
    --color-purple: #7B61FF;
    --color-orange: #FFB020;
    
    /* Tonos neutros */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FB;
    --color-gray-100: #EDF0F7;
    --color-gray-200: #DFE3EB;
    --color-gray-300: #C3CAD9;
    --color-gray-400: #A0AAC1;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Tipografía */
    --font-display: 'Space Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Bordes */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(15, 28, 63, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 28, 63, 0.12);
    --shadow-lg: 0 8px 32px rgba(15, 28, 63, 0.16);
    --shadow-accent: 0 4px 20px rgba(255, 107, 53, 0.3);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-gray-800);
    line-height: 1.7;
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-600);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-50px, -50px); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero .container {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    color: var(--color-white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: slideInLeft 0.6s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-accent), var(--color-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.8s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat strong {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-display);
}

.stat span {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
    animation: fadeIn 1s ease 0.6s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.card-icon {
    font-size: 1.5rem;
}

.card-1 {
    top: 50px;
    left: 20%;
    animation: floatCard 4s ease-in-out infinite;
}

.card-2 {
    top: 180px;
    right: 10%;
    animation: floatCard 5s ease-in-out infinite 1s;
}

.card-3 {
    bottom: 80px;
    left: 30%;
    animation: floatCard 6s ease-in-out infinite 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4);
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-gray-100);
    color: var(--color-accent);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-top: var(--spacing-md);
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-apps:hover {
    border-color: var(--color-blue);
}

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

.service-automation:hover {
    border-color: var(--color-green);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

/* ============================================
   PROCESS
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.process-arrow {
    font-size: 2rem;
    color: var(--color-gray-300);
    text-align: center;
    display: none;
}

@media (min-width: 992px) {
    .process-steps {
        grid-template-columns: repeat(7, 1fr);
    }
    
    .process-arrow {
        display: block;
    }
}

/* ============================================
   SPECIALIZATION
   ============================================ */
.specialization {
    background: var(--color-primary);
    color: var(--color-white);
}

.specialization .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent-light);
}

.specialization-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 992px) {
    .specialization-content {
        grid-template-columns: 1fr 1fr;
    }
}

.specialization h2,
.specialization h3 {
    color: var(--color-white);
}

.specialization p {
    color: rgba(255, 255, 255, 0.8);
}

.specialization-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.specialization-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.specialization-list strong {
    color: var(--color-accent-light);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.tech-item {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

/* ============================================
   FAQ
   ============================================ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-item[open] {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.faq-item summary {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-right: var(--spacing-sm);
}

.faq-item[open] summary::before {
    content: '−';
}

.faq-item p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    text-align: center;
}

.cta-final h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-final p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-final .btn-primary {
    background: var(--color-white);
    color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-final .btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ============================================
   PORTFOLIO
   ============================================ */
.page-hero {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    text-align: center;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease both;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

.project-image {
    position: relative;
    height: 200px;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
}

.placeholder-blue { background: linear-gradient(135deg, #2E5BFF, #1E3FBF); }
.placeholder-green { background: linear-gradient(135deg, #00D9A3, #00A876); }
.placeholder-orange { background: linear-gradient(135deg, #FF6B35, #E65525); }
.placeholder-purple { background: linear-gradient(135deg, #7B61FF, #5B41DF); }

.project-tags {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.project-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
}

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

.result-item strong {
    display: block;
    font-size: 1.5rem;
    font-family: var(--font-display);
    color: var(--color-accent);
}

.result-item span {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.project-features {
    list-style: none;
    font-size: 0.875rem;
}

.project-features li {
    padding: 4px 0;
    color: var(--color-gray-700);
}

.cta-portfolio {
    background: var(--color-gray-50);
    text-align: center;
}

.cta-portfolio h2 {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-section {
    background: var(--color-gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 0.8fr 1.2fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.info-block h2,
.info-block h3 {
    margin-bottom: var(--spacing-md);
}

.process-list,
.benefits-list {
    list-style: none;
}

.process-list li {
    margin-bottom: var(--spacing-lg);
}

.process-list strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.process-list p {
    color: var(--color-gray-600);
    margin: 0;
}

.benefits-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
}

.contact-form-container {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.required {
    color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
}

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

.form-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 4px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 400;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-single {
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
}

.form-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.form-footer p {
    margin: var(--spacing-xs) 0;
}

.form-success {
    text-align: center;
    padding: var(--spacing-2xl);
}

.success-icon {
    font-size: 4rem;
    color: var(--color-green);
    margin-bottom: var(--spacing-md);
}

.form-success h3 {
    color: var(--color-green);
    margin-bottom: var(--spacing-md);
}

.faq-contact {
    background: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1.5fr 1fr;
    }
}

.footer-brand {
    max-width: 400px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-md);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid,
    .projects-container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-card {
        font-size: 0.875rem;
        padding: var(--spacing-sm);
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

/* Clase para filtrar proyectos */
.project-card.hidden {
    display: none;
}