/* 
 * BEHIND STUDIOS LIMITED - Modern Glassmorphism Design
 * Unique visual approach: Asymmetric layouts with dynamic gradients, 
 * glassmorphism effects, and floating elements for a contemporary feel
 */

:root {
    /* Color System - Modern Gradient Palette */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --background-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    
    /* Glassmorphism Colors */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --container-padding: 2rem;
    --section-spacing: 6rem;
    --border-radius-lg: 1.5rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-normal: all 0.3s ease;
    
    /* Color variables for consistency */
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-900: #0f172a;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: #ffffff;
    background: var(--background-gradient);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Gradient Text Effect */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    color: white;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Glass Card Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(31, 38, 135, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition-smooth);
}

.cookie-banner.minimized {
    opacity: 0.7;
    transform: translateY(50px);
    pointer-events: none;
}

.cookie-banner.hidden {
    opacity: 0;
    transform: translateY(100px);
    pointer-events: none;
}

.cookie-content {
    padding: 1.5rem;
    position: relative;
}

.cookie-text h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.cookie-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.cookie-controls {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.minimize-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    transition: var(--transition-smooth);
}

.minimize-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link:hover {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-smooth);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 5rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Floating Cards Animation */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.app-icon {
    width: 60px;
    height: 60px;
}

/* Hero Gradient Background */
.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

/* Sections */
section {
    padding: var(--section-spacing) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Services Section */
.services {
    background: rgba(255, 255, 255, 0.02);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    color: white;
    margin-bottom: 1rem;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* Portfolio Section */
.portfolio {
    background: rgba(255, 255, 255, 0.05);
}

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

.portfolio-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(31, 38, 135, 0.5);
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, #2d3748, #1a202c);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

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

.portfolio-svg {
    width: 100%;
    height: 100%;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
    transition: all var(--transition-normal);
}

.portfolio-item:hover .portfolio-image::after {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.portfolio-content {
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.9);
    position: relative;
    z-index: 2;
}

.portfolio-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.portfolio-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-gradients {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

/* Contact Section */
.contact {
    background: rgba(255, 255, 255, 0.02);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info, .contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: white;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: #6366f1;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: white;
    font-weight: 500;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    color: white;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #6366f1;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder, .form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    justify-content: center;
}

/* Footer */
.footer {
    background: rgba(15, 15, 35, 0.8);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.3rem;
    color: white;
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-contact h4, .footer-links h4 {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-contact-item {
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-contact-item strong {
    color: white;
    display: block;
    margin-bottom: 0.25rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: #6366f1;
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* Responsive Design */

/* Tablet and small desktop */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
        --section-spacing: 4rem;
    }
    
    .hero-content {
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .contact-content {
        gap: 2rem;
    }
}

/* Mobile landscape and small tablets */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15, 15, 35, 0.95);
        backdrop-filter: blur(20px);
        padding: 1.5rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-smooth);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        text-align: center;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero {
        padding-top: 6rem;
        min-height: 80vh;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --section-spacing: 3rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-info, .contact-form {
        padding: 1.5rem;
    }
    
    .contact-info h3 {
        font-size: 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .form-input, .form-textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .cookie-banner {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
    
    .cookie-content {
        padding: 1rem;
    }
    
    .cookie-text h3 {
        font-size: 1rem;
    }
    
    .cookie-text p {
        font-size: 0.85rem;
    }
    
    .cookie-controls {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }
    
    .footer-brand h3 {
        font-size: 1.1rem;
    }
    
    .footer-contact h4, .footer-links h4 {
        font-size: 1rem;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for better accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn-primary, .btn-secondary, .nav-link {
        min-height: 44px;
    }
}