/* ==================== DESIGN SYSTEM ==================== */
/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* CSS Variables */
:root {
    /* Colors */
    --primary-bg: #0a0a0f;
    --secondary-bg: #111118;
    --accent-blue: #4f46e5;
    --accent-purple: #7c3aed;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-cyan: #06b6d4;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --card-bg: rgba(17, 17, 24, 0.6);
    --card-border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(17, 17, 24, 0.4);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #4f46e5 100%);
    --gradient-accent: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
    --gradient-text: linear-gradient(135deg, #4f46e5, #7c3aed, #ec4899);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-logo: 'Orbitron', sans-serif;

    /* Effects */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.3);
    --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 90%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: floatBackground 20s ease-in-out infinite;
}

@keyframes floatBackground {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, -20px);
    }
}

/* ==================== TYPOGRAPHY ==================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ==================== NAVIGATION ==================== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    z-index: 1000;
    transition: var(--transition-smooth);
}

nav.scrolled {
    background: rgba(17, 17, 24, 0.95);
    box-shadow: var(--shadow-card);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-logo);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition-smooth);
    z-index: 1001;
    position: relative;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 20px rgba(79, 70, 229, 0.5));
}

/* Hamburger Menu Button */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.floating-1 {
    top: 10%;
    left: 10%;
    background: var(--accent-blue);
    animation-delay: 0s;
}

.floating-2 {
    top: 60%;
    right: 10%;
    background: var(--accent-pink);
    animation-delay: 5s;
}

.floating-3 {
    bottom: 10%;
    left: 50%;
    background: var(--accent-cyan);
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.5);
}

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

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
}

/* ==================== SECTIONS ==================== */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

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

.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ==================== PROJECTS GRID ==================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.project-card:hover::before {
    opacity: 0.1;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.project-card>* {
    position: relative;
    z-index: 1;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.project-tech {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--accent-cyan);
}

/* ==================== PRICING SECTION ==================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 25px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: 0.5rem 2rem;
    transform: rotate(45deg);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.pricing-name {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.pricing-period {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
}

/* ==================== FRAMEWORKS BELT ==================== */
.frameworks-belt {
    padding: var(--spacing-lg) 0;
    overflow: hidden;
    position: relative;
}

.frameworks-track {
    display: flex;
    gap: var(--spacing-lg);
    animation: scroll 30s linear infinite;
}

.framework-logo {
    min-width: 120px;
    height: 80px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    padding: var(--spacing-sm);
}

.framework-logo:hover {
    transform: scale(1.1);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
    animation-play-state: paused;
}

.framework-logo img {
    max-width: 100%;
    max-height: 100%;
    filter: brightness(0) invert(1);
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.framework-logo:hover img {
    opacity: 1;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-120px * 8 - var(--spacing-lg) * 8));
    }
}

/* ==================== LIVE DEMOS SECTION ==================== */
.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.demo-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
}

.demo-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.demo-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.demo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.demo-card:hover .demo-image img {
    transform: scale(1.1);
}

.demo-content {
    padding: var(--spacing-md);
}

.demo-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.demo-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.demo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.demo-link:hover {
    color: var(--accent-blue);
    gap: 0.75rem;
}

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

/* ==================== CONTACT INFO ==================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-info {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.contact-detail:hover {
    background: rgba(79, 70, 229, 0.1);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-text {
    flex: 1;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

.contact-value a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-value a:hover {
    color: var(--accent-cyan);
}

/* WhatsApp Floating Button */
.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    margin-top: var(--spacing-sm);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

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

/* Floating WhatsApp Button (Bottom Right) */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
}

@keyframes whatsappPulse {

    0%,
    100% {
        box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 10px 40px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.2);
    }
}

/* ==================== CONTACT FORM ==================== */
.contact-section {
    background: var(--secondary-bg);
    border-radius: 30px;
    padding: var(--spacing-lg);
    border: 1px solid var(--card-border);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-status {
    margin-top: var(--spacing-sm);
    padding: 1rem;
    border-radius: 15px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #22c55e;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #ef4444;
}

/* ==================== FOOTER ==================== */
footer {
    background: var(--secondary-bg);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--card-border);
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

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

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

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

/* ==================== SCROLL ANIMATIONS ==================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {

    /* Show hamburger menu on mobile */
    .hamburger {
        display: flex;
    }

    /* Mobile slide-in navigation */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--secondary-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 1px solid var(--card-border);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--card-border);
    }

    .nav-links a {
        display: block;
        padding: 1.25rem 1rem;
        font-size: 1.125rem;
        width: 100%;
    }

    .nav-links a::after {
        bottom: 0;
        height: 3px;
    }

    .projects-grid,
    .pricing-grid,
    .demos-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .frameworks-track {
        gap: var(--spacing-sm);
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}

/* ==================== MOBILE OPTIMIZATIONS ==================== */

/* Smooth scrolling for mobile */
html {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Touch-friendly tap targets */
@media (max-width: 768px) {

    a,
    button,
    .btn {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Disable hover effects on touch devices */
    @media (hover: none) {

        .project-card:hover,
        .demo-card:hover,
        .pricing-card:hover {
            transform: none;
        }

        /* But keep tap feedback */
        .project-card:active,
        .demo-card:active,
        .pricing-card:active {
            transform: scale(0.98);
        }
    }

    /* Reduce animations on mobile for performance */
    .floating-element {
        animation-duration: 30s;
    }

    @keyframes float {

        0%,
        100% {
            transform: translate(0, 0) scale(1);
        }

        50% {
            transform: translate(15px, -15px) scale(1.05);
        }
    }
}

/* Prevent text selection on interactive elements */
.btn,
.hamburger,
.nav-links a {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    user-select: none;
}

/* Mobile menu overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

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

.glassmorphism {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
}