/* Tu Web Atractiva - Custom CSS */

/* CSS Custom Properties */
:root {
    /* Light theme colors using HSL format */
    --primary: 0 70% 47%; /* #C4302B Peru red */
    --secondary: 0 0% 100%; /* #FFFFFF white */
    --accent: 51 100% 50%; /* #FFD700 gold */
    --background: 240 13% 98%; /* #F8F9FA light grey */
    --text: 210 22% 22%; /* #2C3E50 dark blue-grey */
    --success: 134 61% 41%; /* #28A745 green */
    --border: 220 13% 91%; /* #E5E7EB */
    --shadow: 220 13% 84%; /* #D1D5DB */
    
    /* Dark theme colors */
    --primary-dark: 0 70% 52%; /* Slightly brighter red for dark mode */
    --secondary-dark: 220 13% 18%; /* #1F2937 dark grey */
    --accent-dark: 51 100% 60%; /* Brighter gold for dark mode */
    --background-dark: 220 13% 14%; /* #111827 very dark grey */
    --text-dark: 220 13% 91%; /* #F3F4F6 light grey */
    --success-dark: 134 61% 51%; /* Brighter green for dark mode */
    --border-dark: 220 13% 26%; /* #374151 medium grey */
    --shadow-dark: 220 13% 10%; /* #0F172A very dark shadow */
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: hsl(var(--text));
    background-color: hsl(var(--background));
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark mode styles */
[data-theme="dark"] {
    --primary: var(--primary-dark);
    --secondary: var(--secondary-dark);
    --accent: var(--accent-dark);
    --background: var(--background-dark);
    --text: var(--text-dark);
    --success: var(--success-dark);
    --border: var(--border-dark);
    --shadow: var(--shadow-dark);
}

/* Automatic dark mode based on system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary: var(--primary-dark);
        --secondary: var(--secondary-dark);
        --accent: var(--accent-dark);
        --background: var(--background-dark);
        --text: var(--text-dark);
        --success: var(--success-dark);
        --border: var(--border-dark);
        --shadow: var(--shadow-dark);
    }
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text));
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text) / 0.8);
}

a {
    text-decoration: none;
    color: hsl(var(--primary));
    transition: var(--transition);
}

a:hover {
    color: hsl(var(--primary) / 0.8);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: hsl(var(--primary) / 0.9);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsl(var(--primary) / 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: hsl(var(--text));
    border: 2px solid hsl(var(--border));
}

.btn-secondary:hover {
    background-color: hsl(var(--text));
    color: white;
    border-color: hsl(var(--text));
}

.btn-outline {
    background-color: transparent;
    color: hsl(var(--primary));
    border: 2px solid hsl(var(--primary));
}

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

.btn-whatsapp {
    background-color: hsl(134 61% 41%);
    color: white;
}

.btn-whatsapp:hover {
    background-color: hsl(134 61% 35%);
    color: white;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* Navigation */
.navbar {
    background-color: hsl(var(--secondary));
    box-shadow: 0 2px 10px hsl(var(--shadow) / 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: hsl(var(--primary));
}

.nav-logo img {
    width: 40px;
    height: 40px;
}

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

.nav-link {
    color: hsl(var(--text));
    font-weight: 500;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--primary));
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: hsl(var(--primary));
}

.nav-cta {
    background-color: hsl(134 61% 41%);
    color: white !important;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
}

.nav-cta:hover {
    background-color: hsl(134 61% 35%);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text));
    transition: var(--transition);
}

/* Dark mode toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: hsl(var(--background));
    color: hsl(var(--text));
    cursor: pointer;
    transition: var(--transition);
    margin-left: var(--spacing-md);
    font-size: var(--font-size-lg);
    border: 2px solid hsl(var(--border));
}

.theme-toggle:hover {
    background-color: hsl(var(--primary));
    color: white;
    border-color: hsl(var(--primary));
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .icon {
    transition: var(--transition);
}

/* Hide/show icons based on theme */
[data-theme="dark"] .theme-toggle .sun-icon {
    display: inline;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon,
:root:not([data-theme]) .theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon,
:root:not([data-theme]) .theme-toggle .moon-icon {
    display: inline;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .sun-icon {
        display: inline;
    }
    
    :root:not([data-theme="light"]) .theme-toggle .moon-icon {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--secondary)) 100%);
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    order: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-title .highlight {
    color: hsl(var(--primary));
    position: relative;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: hsl(var(--text) / 0.7);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.hero-image {
    order: 2;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    font-size: var(--font-size-lg);
    color: hsl(var(--text) / 0.7);
}

/* Services Preview */
.services-preview {
    padding: var(--spacing-3xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: hsl(var(--secondary));
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
    text-align: center;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px hsl(var(--shadow) / 0.15);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary) / 0.8));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--font-size-2xl);
}

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

.service-card p {
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text) / 0.8);
}

.service-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: hsl(var(--primary));
    margin-bottom: var(--spacing-lg);
}

.service-link {
    color: hsl(var(--primary));
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-link::after {
    content: '→';
    transition: var(--transition);
}

.service-link:hover::after {
    transform: translateX(4px);
}

/* Why Choose Us */
.why-choose-us {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--secondary));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    background: hsl(var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: hsl(var(--text));
    font-size: var(--font-size-xl);
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--background));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: hsl(var(--secondary));
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
    position: relative;
    z-index: 1;
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.stars {
    color: hsl(var(--accent));
    margin-bottom: var(--spacing-md);
}

.testimonial-author strong {
    color: hsl(var(--text));
    display: block;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: hsl(var(--text) / 0.6);
    font-size: var(--font-size-sm);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary) / 0.9));
    color: white;
    text-align: center;
}

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

.cta-content p {
    color: white;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.cta-section .btn-primary {
    background-color: white;
    color: hsl(var(--primary));
}

.cta-section .btn-primary:hover {
    background-color: hsl(var(--background));
}

.cta-section .btn-secondary {
    border-color: white;
    color: white;
}

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

/* Footer */
.footer {
    background: hsl(var(--text));
    color: white;
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.footer-logo img {
    width: 28px;
    height: 28px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    text-decoration: none;
}

.footer-links a:hover {
    color: white;
}

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

.footer-social a {
    width: 32px;
    height: 32px;
    background: hsl(var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.footer-social a:hover {
    background: hsl(var(--primary) / 0.8);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
}

/* Page Header */
.page-header {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary) / 0.9));
    color: white;
    text-align: center;
}

.page-header h1 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.page-header p {
    color: white;
    opacity: 0.9;
    font-size: var(--font-size-lg);
}

/* Services Detail Page */
.services-detail {
    padding: var(--spacing-3xl) 0;
}

/* Services Introduction */
.services-intro {
    padding: var(--spacing-2xl) 0;
    background: hsl(var(--secondary));
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content p {
    color: hsl(var(--text));
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.intro-content p:last-child {
    margin-bottom: 0;
}

/* New Services Grid */
.services-grid-section {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--background));
}

.services-grid-new {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

.service-card-new {
    background: hsl(var(--secondary));
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 8px 25px hsl(var(--shadow) / 0.1);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card-new:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px hsl(var(--shadow) / 0.15);
    border-color: hsl(var(--primary) / 0.2);
}

.service-image-new {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.service-icon {
    width: 100%;
    max-width: 200px;
    height: auto;
}

.service-content-new h3 {
    color: hsl(var(--text));
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.service-content-new p {
    color: hsl(var(--text) / 0.8);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.service-price-new {
    background: hsl(var(--primary) / 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.price-amount {
    color: hsl(var(--primary));
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: block;
}

.price-period {
    color: hsl(var(--text) / 0.7);
    font-size: var(--font-size-sm);
}

.service-features-new {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.service-features-new li {
    color: hsl(var(--text) / 0.8);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.service-features-new li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: hsl(var(--primary));
    font-weight: bold;
}

.service-actions-new {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-outline-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    border: 2px solid hsl(var(--border));
    background: transparent;
    color: hsl(var(--text));
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-outline-sm:hover {
    border-color: hsl(var(--primary));
    color: hsl(var(--primary));
    background: hsl(var(--primary) / 0.05);
}

.service-detail {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid hsl(var(--border));
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.service-detail-content.reverse {
    direction: rtl;
}

.service-detail-content.reverse > * {
    direction: ltr;
}

.service-detail h2 {
    color: hsl(var(--text));
    margin-bottom: var(--spacing-lg);
}

.price-tag {
    display: inline-block;
    background: hsl(var(--primary));
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.service-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    color: hsl(var(--text) / 0.8);
}

.service-features {
    margin-bottom: var(--spacing-2xl);
}

.service-features h3 {
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text));
}

.service-features ul {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text) / 0.8);
}

.service-features li i {
    color: hsl(var(--success));
    font-size: var(--font-size-sm);
}

.ideal-for {
    margin-bottom: var(--spacing-2xl);
}

.ideal-for h3 {
    margin-bottom: var(--spacing-lg);
}

.ideal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.ideal-tags span {
    background: hsl(var(--background));
    color: hsl(var(--text));
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    border: 1px solid hsl(var(--border));
}

.service-detail-image {
    text-align: center;
}

.mockup-container {
    background: hsl(var(--background));
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid hsl(var(--border));
}

.mockup-container i {
    font-size: 4rem;
    color: hsl(var(--primary));
    margin-bottom: var(--spacing-lg);
}

.mockup-container p {
    color: hsl(var(--text) / 0.6);
    font-size: var(--font-size-sm);
}

/* Package Comparison */
.package-comparison {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--secondary));
}

.comparison-table {
    background: hsl(var(--secondary));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    background: hsl(var(--background));
}

.feature-column {
    padding: var(--spacing-xl);
    font-weight: 600;
    background: hsl(var(--text));
    color: white;
}

.package-column {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
}

.package-column.popular {
    background: hsl(var(--primary) / 0.05);
    border-left: 2px solid hsl(var(--primary));
    border-right: 2px solid hsl(var(--primary));
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: hsl(var(--primary));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.package-column h3 {
    margin-bottom: var(--spacing-md);
}

.package-column .price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: hsl(var(--primary));
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    border-bottom: 1px solid hsl(var(--border));
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row .feature {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-weight: 500;
    background: hsl(var(--background));
}

.comparison-row .value {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.comparison-row .value i.fa-check {
    color: hsl(var(--success));
    font-size: var(--font-size-lg);
}

.comparison-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.comparison-actions .action {
    padding: var(--spacing-xl);
    text-align: center;
}

.comparison-actions .action:first-child {
    background: hsl(var(--background));
}

/* Portfolio/Examples Page */
.portfolio-categories {
    padding: var(--spacing-xl) 0;
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid hsl(var(--border));
    color: hsl(var(--text));
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
    font-weight: 500;
}

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

.portfolio-grid {
    padding: var(--spacing-2xl) 0;
}

.portfolio-grid .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.portfolio-item {
    opacity: 1;
    transition: var(--transition);
}

.portfolio-item.hidden {
    opacity: 0;
    pointer-events: none;
}

.portfolio-card {
    background: hsl(var(--secondary));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px hsl(var(--shadow) / 0.15);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.mockup-placeholder {
    height: 200px;
    background: hsl(var(--background));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid hsl(var(--border));
}

.mockup-placeholder i {
    font-size: 3rem;
    color: hsl(var(--primary));
    margin-bottom: var(--spacing-md);
}

.mockup-placeholder p {
    color: hsl(var(--text) / 0.6);
    font-weight: 500;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, hsl(var(--primary) / 0.9), hsl(var(--text) / 0.9));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-info {
    text-align: center;
    padding: var(--spacing-lg);
}

.portfolio-info h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.portfolio-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.portfolio-features {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.portfolio-features span {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.portfolio-content {
    padding: var(--spacing-xl);
}

.portfolio-content h3 {
    color: hsl(var(--text));
    margin-bottom: var(--spacing-sm);
}

.portfolio-type {
    color: hsl(var(--primary));
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.portfolio-description {
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text) / 0.8);
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.portfolio-tech span {
    background: hsl(var(--background));
    color: hsl(var(--text));
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
}

.portfolio-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid hsl(var(--border));
}

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

.result-item strong {
    display: block;
    font-size: var(--font-size-xl);
    color: hsl(var(--success));
    font-weight: 700;
}

.result-item span {
    font-size: var(--font-size-xs);
    color: hsl(var(--text) / 0.6);
}

/* Mobile vs Desktop Preview */
.mobile-desktop-preview {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--secondary));
}

.preview-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.mobile-preview,
.desktop-preview {
    text-align: center;
}

.device-frame {
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 30px hsl(var(--shadow) / 0.2);
}

.device-frame.mobile {
    width: 200px;
    height: 400px;
    background: #333;
    padding: 20px 10px;
}

.device-frame.desktop {
    width: 100%;
    max-width: 400px;
    height: 250px;
    background: #333;
    padding: 20px;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.sample-mobile-content,
.sample-desktop-content {
    height: 100%;
    font-size: 10px;
}

.mobile-header,
.desktop-header {
    background: hsl(var(--primary));
    color: white;
    padding: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-hero {
    padding: 20px 10px;
    text-align: center;
    background: hsl(var(--background));
}

.desktop-hero {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    background: hsl(var(--background));
}

.mobile-cta {
    background: hsl(var(--primary));
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 8px;
}

.desktop-cta {
    background: hsl(var(--primary));
    height: 20px;
    border-radius: 4px;
    margin-top: 8px;
}

.mobile-content {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.desktop-content {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.mobile-card {
    height: 40px;
    background: white;
    border: 1px solid hsl(var(--border));
    border-radius: 4px;
}

.desktop-card {
    height: 60px;
    background: white;
    border: 1px solid hsl(var(--border));
    border-radius: 4px;
}

.menu-desktop {
    display: flex;
    gap: 4px;
}

.menu-desktop span {
    width: 20px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
}

.hero-image {
    background: hsl(var(--border));
    border-radius: 4px;
    height: 80px;
}

/* Process Section */
.process-section {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--background));
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: hsl(var(--primary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.step-content h3 {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text));
}

.step-content p {
    color: hsl(var(--text) / 0.7);
}

/* Contact Page */
.contact-methods {
    padding: var(--spacing-2xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.contact-method {
    background: hsl(var(--secondary));
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
    text-align: center;
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateY(-5px);
}

.contact-method.featured {
    border: 2px solid hsl(var(--primary));
    position: relative;
}

.contact-method.featured::before {
    content: 'Recomendado';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: hsl(var(--primary));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: hsl(var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--font-size-2xl);
}

.contact-info {
    margin: var(--spacing-lg) 0;
}

.contact-info span {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: hsl(var(--text));
    display: block;
    margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-form-section {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--background));
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: hsl(var(--secondary));
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.form-header h2 {
    margin-bottom: var(--spacing-lg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--text));
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid hsl(var(--border));
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: hsl(var(--background));
    color: hsl(var(--text));
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px hsl(var(--primary) / 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: auto;
    height: auto;
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: hsl(var(--text) / 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Quick Contact */
.quick-contact {
    padding: var(--spacing-2xl) 0;
}

.quick-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.quick-option {
    background: hsl(var(--secondary));
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
    text-align: center;
}

.quick-option h3 {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text));
}

.quick-option p {
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text) / 0.7);
}

/* Location Section */
.location-section {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--secondary));
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

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

.detail-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.detail-item i {
    color: hsl(var(--primary));
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xs);
}

.detail-item strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--text));
}

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: hsl(var(--background));
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: hsl(var(--secondary));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 10px hsl(var(--shadow) / 0.1);
}

.faq-question {
    padding: var(--spacing-xl);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: hsl(var(--background));
}

.faq-question h3 {
    margin: 0;
    color: hsl(var(--text));
    font-size: var(--font-size-lg);
}

.faq-question i {
    color: hsl(var(--primary));
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    color: hsl(var(--text) / 0.8);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: hsl(var(--secondary));
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl);
        box-shadow: 0 4px 20px hsl(var(--shadow) / 0.1);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Hero Section */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-content {
        order: 2;
        text-align: center;
    }

    .hero-image {
        order: 1;
    }

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

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

    /* Typography */
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    /* Grid layouts */
    .services-grid,
    .features-grid,
    .testimonials-grid,
    .contact-grid,
    .quick-options {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    /* Service Detail */
    .service-detail-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .service-detail-content.reverse {
        direction: ltr;
    }

    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Portfolio */
    .portfolio-grid .container {
        grid-template-columns: 1fr;
    }

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

    /* Location */
    .location-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    /* Comparison Table */
    .comparison-table {
        overflow-x: auto;
    }

    .comparison-header,
    .comparison-row,
    .comparison-actions {
        min-width: 600px;
    }

    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* Spacing adjustments */
    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .hero {
        padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .service-card,
    .testimonial-card,
    .contact-method,
    .portfolio-card {
        margin: 0 var(--spacing-sm);
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .form-container {
        padding: var(--spacing-xl);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success/Error States */
.success {
    color: hsl(var(--success));
}

.error {
    color: hsl(var(--primary));
}

.success-message,
.error-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
}

.success-message {
    background: hsl(var(--success) / 0.1);
    color: hsl(var(--success));
    border: 1px solid hsl(var(--success) / 0.3);
}

.error-message {
    background: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    border: 1px solid hsl(var(--primary) / 0.3);
}