/* Google Fonts: Inter and Outfit */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Outfit:wght@400;600;700;900&display=swap');

:root {
    /* Light Theme (Default) - DinoCloud Inspired Clean Aesthetic */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-card: #FFFFFF;
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-inverse: #FFFFFF;
    
    /* Celeste Oscuro - roFriday Accent */
    --accent-primary: #0284C7; /* Darker light blue (Cyan-blue) */
    --accent-primary-hover: #0369A1;
    --accent-secondary: #0EA5E9; /* Lighter shade for gradients/glows */
    --accent-glow: rgba(2, 132, 199, 0.15);
    
    --border-color: #E2E8F0;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 10px 30px rgba(2, 132, 199, 0.1);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Radius */
    --radius-md: 12px;
    --radius-lg: 24px;
    
    /* Transition */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Dark Theme Overrides */
html[data-theme="dark"] {
    --bg-primary: #0A0F17;
    --bg-secondary: #0E1624;
    --bg-card: rgba(20, 30, 48, 0.6);
    
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-inverse: #0F172A;
    
    --accent-primary: #38BDF8; /* Brighter for dark mode visibility */
    --accent-primary-hover: #0EA5E9;
    --accent-glow: rgba(56, 189, 248, 0.2);
    
    --border-color: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 10px 30px rgba(56, 189, 248, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--text-primary);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 span, h1 span, .highlight {
    color: var(--accent-primary);
}

p {
    margin-bottom: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    transition: all var(--transition-normal);
    padding: 1.5rem 0;
    background: transparent;
}

.navbar.scrolled {
    background: var(--bg-primary);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

html[data-theme="dark"] .navbar.scrolled {
    background: rgba(10, 15, 23, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.3);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo img {
    height: 45px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-links a.nav-item:hover {
    color: var(--accent-primary);
}

/* Toggles */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 1rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1rem;
}

.control-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.control-btn:hover {
    color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--accent-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

/* Sections Global */
.section {
    padding: var(--space-xl) 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-header {
    margin-bottom: var(--space-lg);
    max-width: 700px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.section-header.center {
    margin: 0 auto var(--space-lg) auto;
    text-align: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

/* Dynamic Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all var(--transition-normal);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

html[data-theme="dark"] .service-card {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--radius-md);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
    flex-grow: 1;
}

/* Clientes Marquee / Interactive Grid */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.client-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    cursor: pointer;
}

.client-card img {
    max-height: 100px;
    max-width: 90%;
    transition: all var(--transition-normal);
}

html[data-theme="dark"] .client-card img {
    /* Optionally add a subtle brightness if dark logos are hard to read, but keeping original colors */
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

.client-info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-primary);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transform: translateY(100%);
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
}

.client-card:hover img {
    opacity: 0;
}

.client-card:hover .client-info {
    opacity: 1;
    transform: translateY(0);
}

.client-info h4 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.client-info p {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
}

.client-info a {
    color: white;
    font-size: 0.85rem;
    text-decoration: underline;
    font-weight: 600;
}

/* Forms Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.contact-info {
    background: var(--accent-primary);
    color: white;
    padding: 4rem;
    position: relative;
}

.contact-info::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    bottom: -50px;
    right: -50px;
}

.contact-info h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

.contact-details {
    list-style: none;
    margin-top: 2rem;
}

.contact-details li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.contact-details li span {
    font-size: 1.5rem;
}

.contact-form {
    padding: 4rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-primary);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

/* Animations (Intersection Observer Targets) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive Design */
@media (max-width: 900px) {
    .hero-content, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-text {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero {
        padding-top: 120px;
    }
}

@media (max-width: 768px) {
    h2 { font-size: 2rem; }
    .hero-title { font-size: 2.5rem; }
    .nav-links { display: none; }
    .footer-content { flex-direction: column; gap: 2rem; }
    .contact-info, .contact-form { padding: 2rem; }
}