/* =============================================================================
   TechVista Solutions - Professional AI & Development Services Website
   Author: TechVista Solutions
   Description: Modern, animated, and professional stylesheet
   ============================================================================= */

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

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    
    /* Solid Colors */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #4facfe;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #8892b0;
    --background-dark: #0a0a0a;
    --background-card: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-accent: 'Orbitron', monospace;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Shadows */
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.4);
    --glow-primary: 0 0 20px rgba(102, 126, 234, 0.3);
    --glow-accent: 0 0 20px rgba(79, 172, 254, 0.3);
}

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

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.btn-outline-small {
    padding: 10px 20px;
    font-size: 14px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-outline-small:hover {
    background: var(--primary-gradient);
    border-color: transparent;
}

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.main-header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px);
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.brand-name {
    font-family: var(--font-accent);
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.brand-tagline {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

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

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 8px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-gradient);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(79, 172, 254, 0.05) 0%, transparent 50%);
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-gradient);
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 70%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 30%;
    right: 30%;
    animation-delay: 10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 15s;
}

.shape-5 {
    width: 90px;
    height: 90px;
    top: 50%;
    left: 50%;
    animation-delay: 8s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(-40px) rotate(180deg);
    }
    75% {
        transform: translateY(-20px) rotate(270deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.typing-animation {
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
    animation: blink 1s infinite;
    display: inline-block;
    min-width: 280px; /* Fixed width to prevent shaking */
    text-align: left;
}

@keyframes blink {
    0%, 50% { border-color: var(--primary-color); }
    51%, 100% { border-color: transparent; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-visualization {
    position: relative;
    width: 400px;
    height: 400px;
}

.neural-network {
    position: absolute;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-gradient);
    border-radius: 50%;
    box-shadow: var(--glow-accent);
    animation: pulse 2s infinite ease-in-out;
}

.node-1 { top: 20%; left: 20%; animation-delay: 0s; }
.node-2 { top: 20%; right: 20%; animation-delay: 0.3s; }
.node-3 { top: 50%; left: 10%; animation-delay: 0.6s; }
.node-4 { top: 50%; right: 10%; animation-delay: 0.9s; }
.node-5 { bottom: 20%; left: 30%; animation-delay: 1.2s; }
.node-6 { bottom: 20%; right: 30%; animation-delay: 1.5s; }

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0.6;
    animation: data-flow 3s infinite ease-in-out;
}

.con-1 {
    top: 25%;
    left: 25%;
    width: 50%;
    transform: rotate(20deg);
}

.con-2 {
    top: 45%;
    left: 15%;
    width: 70%;
    transform: rotate(-15deg);
}

.con-3 {
    bottom: 35%;
    left: 20%;
    width: 60%;
    transform: rotate(45deg);
}

.con-4 {
    bottom: 25%;
    left: 35%;
    width: 30%;
    transform: rotate(-30deg);
}

@keyframes data-flow {
    0% {
        opacity: 0.3;
        transform: scaleX(0);
        transform-origin: left;
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
    100% {
        opacity: 0.3;
        transform: scaleX(0);
        transform-origin: right;
    }
}

.tech-orbit {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 30s linear infinite;
}

.orbit-item {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--background-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.orbit-item.web {
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    color: #e34c26;
}

.orbit-item.ai {
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
}

.orbit-item.data {
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    color: #f39c12;
}

.orbit-item.mobile {
    left: -25px;
    top: 50%;
    transform: translateY(-50%);
    color: #27ae60;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Services Preview Section */
.services-preview {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 30px;
    box-shadow: var(--glow-primary);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 8px 0;
    color: var(--text-muted);
    position: relative;
    padding-left: 25px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Technology Stack Section */
.tech-stack {
    padding: 80px 0;
    background: var(--background-dark);
    overflow: hidden;
}

.tech-stack h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

.tech-carousel {
    overflow: hidden;
    mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
}

.tech-track {
    display: flex;
    gap: 40px;
    animation: scroll 25s linear infinite;
    width: calc(200px * 20);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    min-width: 120px;
    padding: 30px 20px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.tech-item span {
    font-weight: 500;
    color: var(--text-secondary);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Call to Action Section */
.cta-section {
    padding: var(--section-padding);
    background: var(--primary-gradient);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: white;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.cta-buttons .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* Footer Styles */
.main-footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--glow-primary);
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

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

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

.contact-info {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
    margin-top: 3px;
}

.contact-item span {
    color: var(--text-secondary);
    line-height: 1.5;
}

.newsletter h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 14px;
}

.newsletter-form input::placeholder {
    color: var(--text-muted);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright p {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-links-bottom {
    display: flex;
    gap: 25px;
}

.footer-links-bottom a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-color);
        padding: 30px 20px;
        transform: translateY(-100vh);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-links {
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }
    
    .nav-link {
        font-size: 18px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        padding: 10px 0 0 20px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .ai-visualization {
        width: 300px;
        height: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-track {
        gap: 20px;
    }
    
    .tech-item {
        min-width: 100px;
        padding: 20px 15px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* AOS Animation Overrides */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Bottom Navigation Bar - Horizontal Menu Style */
.bottom-nav {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    width: auto;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
}

/* Show bottom nav when header is scrolled away */
.header-hidden .bottom-nav {
    opacity: 1;
    visibility: visible;
}

.bottom-nav-content {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 12px 30px;
    display: flex;
    align-items: center;
    gap: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.nav-link-horizontal {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link-horizontal:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link-horizontal.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.15);
}

.nav-link-horizontal.contact-highlight {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-weight: 600;
    margin-left: 15px;
}

.nav-link-horizontal.contact-highlight:hover {
    background: white;
    color: #222;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

/* Responsive Horizontal Nav */
@media (max-width: 768px) {
    .bottom-nav-content {
        gap: 15px;
        padding: 10px 20px;
    }
    
    .nav-link-horizontal {
        font-size: 14px;
        padding: 8px 14px;
    }
    
    .nav-link-horizontal.contact-highlight {
        margin-left: 10px;
    }
}

@media (max-width: 580px) {
    .bottom-nav-content {
        gap: 10px;
        padding: 8px 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link-horizontal {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .nav-link-horizontal.contact-highlight {
        margin-left: 5px;
    }
}-weight: 500;
    text-align: center;
    line-height: 1.2;
}

.nav-highlight {
    position: relative;
}

.contact-highlight {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.contact-highlight:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.contact-highlight i {
    font-size: 16px;
}

/* Responsive Bottom Nav */
@media (max-width: 768px) {
    .bottom-nav {
        width: 95%;
        bottom: 20px;
    }
    
    .bottom-nav-content {
        padding: 12px 20px;
    }
    
    .nav-sections {
        gap: 20px;
    }
    
    .nav-section {
        min-width: 60px;
        padding: 8px 10px;
    }
    
    .nav-section i {
        font-size: 18px;
    }
    
    .nav-section span {
        font-size: 11px;
    }
    
    .contact-highlight {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .nav-sections {
        gap: 15px;
    }
    
    .nav-section {
        min-width: 50px;
        padding: 6px 8px;
    }
    
    .nav-section span {
        font-size: 10px;
    }
    
    .contact-highlight span {
        display: none;
    }
}
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* Selection Styling */
::selection {
    background: var(--primary-color);
    color: white;
}