/* ============================================
   CloudCoreCR - Premium Dark Agency Design System
   ============================================ */

/* ============================================
   1. CSS Variables (Design System)
   ============================================ */
:root {
    /* Colores de Fondo */
    --bg-primary: #111111;
    --bg-secondary: #050505;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    
    /* Colores de Acento */
    --cyan: #06b6d4;
    --purple: #8b5cf6;
    --cyan-glow: rgba(6, 182, 212, 0.4);
    --purple-glow: rgba(139, 92, 246, 0.4);
    
    /* Colores de Texto */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Bordes */
    --border-radius: 1.5rem;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(6, 182, 212, 0.5);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow-cyan: 0 0 40px var(--cyan-glow);
    --shadow-glow-purple: 0 0 40px var(--purple-glow);
    
    /* Tipografía */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Gradientes */
    --gradient-cyan-purple: linear-gradient(135deg, var(--cyan), var(--purple));
    --gradient-subtle: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ============================================
   3. Background FX Blobs
   ============================================ */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    z-index: -1;
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

.blob-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    bottom: -150px;
    right: -150px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.95);
    }
    75% {
        transform: translate(-50px, -30px) scale(1.05);
    }
}

/* ============================================
   4. Navbar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: background-color var(--transition-base), 
                backdrop-filter var(--transition-base),
                box-shadow var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-icon {
    width: 2rem;
    height: 2rem;
    color: var(--cyan);
}

.navbar-text {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0.5rem;
    transition: color var(--transition-fast), 
                background-color var(--transition-fast);
}

.navbar-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-card);
}

.navbar-cta {
    background: var(--gradient-cyan-purple);
    color: var(--text-primary) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
}

.navbar-cta:hover {
    opacity: 0.9;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--text-primary);
}

.navbar-toggle-icon {
    width: 2rem;
    height: 2rem;
    color: var(--text-primary);
}

/* ============================================
   5. Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    gap: var(--spacing-xl);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
}

.stroke-text {
    display: inline-block;
    position: relative;
    background: transparent;
    -webkit-text-stroke: 2px var(--text-primary);
    color: transparent;
    animation: strokeFill 1.5s ease-out forwards;
    animation-delay: 0.3s;
}

.stroke-text:nth-child(2) {
    animation-delay: 0.5s;
}

.stroke-text:nth-child(3) {
    animation-delay: 0.7s;
}

@keyframes strokeFill {
    0% {
        color: transparent;
        -webkit-text-stroke-color: var(--text-primary);
    }
    100% {
        color: var(--text-primary);
        -webkit-text-stroke-color: transparent;
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 60ch;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* ============================================
   6. Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-cyan-purple);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow-cyan);
}

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

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

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--cyan);
    color: var(--cyan);
}

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* ============================================
   7. Hero Visual (Browser Window 3D)
   ============================================ */
.hero-visual {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.browser-window {
    width: 100%;
    max-width: 500px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    transform-style: preserve-3d;
    transition: transform var(--transition-slow);
}

.browser-window:hover {
    transform: rotateX(0deg) rotateY(0deg);
}

.browser-window:not(:hover) {
    transform: rotateX(10deg) rotateY(10deg);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27ca40; }

.browser-url {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: monospace;
}

.browser-content {
    padding: var(--spacing-lg);
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.code-line {
    margin-bottom: 4px;
}

.code-highlight {
    color: var(--cyan);
}

.keyword { color: #c678dd; }
.variable { color: #e5c07b; }
.function { color: #61afef; }
.class { color: #e06c75; }
.comment { color: #5c6370; font-style: italic; }

/* ============================================
   8. Services Section
   ============================================ */
.services {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-cyan-purple);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 70ch;
    margin: 0 auto;
}

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

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--cyan);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon-inner {
    width: 1.5rem;
    height: 1.5rem;
}

/* Brand-specific icon colors */
.service-card:nth-child(1) .service-icon {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.service-card:nth-child(2) .service-icon {
    background: linear-gradient(135deg, #27ae60, #229954);
}

.service-card:nth-child(3) .service-icon {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.service-card:nth-child(4) .service-icon {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.service-description {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-features li::before {
    content: "✓";
    color: var(--cyan);
    font-weight: bold;
}

/* ============================================
   9. Portfolio Section
   ============================================ */
.portfolio {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--gradient-subtle);
}

.portfolio-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.portfolio-image {
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    position: relative;
    overflow: hidden;
}

.portfolio-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.portfolio-placeholder-icon {
    width: 4rem;
    height: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.portfolio-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.portfolio-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-card-hover);
    border: 1px solid var(--border-subtle);
    border-radius: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.portfolio-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card-hover);
    border-radius: 1rem;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================
   10. CTA Section
   ============================================ */
.cta {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--gradient-cyan-purple);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.cta-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.cta-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ============================================
   11. Footer
   ============================================ */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

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

.footer-icon {
    color: var(--cyan);
    width: 1.5rem;
    height: 1.5rem;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    border: 1px solid var(--border-subtle);
}

.footer-social-link:hover {
    background: var(--cyan);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--cyan);
}

.footer-contact {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-contact-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--cyan);
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

.footer-contact-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact-link:hover {
    color: var(--cyan);
}

.footer-contact-text {
    display: inline-block;
    vertical-align: middle;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   12. Animations & Utilities
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(10px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* ============================================
   13. Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card {
        grid-template-columns: 1fr;
    }
    
    .portfolio-image {
        min-height: 250px;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid var(--border-subtle);
    }
    
    .navbar-menu.active {
        transform: translateX(0);
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .close-icon {
        display: block;
    }
    
    .navbar-toggle-icon {
        display: none;
    }
    
    .services-grid {
        gap: var(--spacing-md);
    }
    
    .portfolio-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .footer-contact-icon {
        display: block;
        margin: 0 auto var(--spacing-xs);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .browser-window {
        max-width: 100%;
    }
}

/* ============================================
   14. Focus States & Accessibility
   ============================================ */
:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .blob {
        animation: none;
    }
}