/* Nexaurra Technologies - Main Stylesheet */

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

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    line-height: 1.6; 
    color: var(--text-dark); 
    scroll-behavior: smooth; 
    background: var(--white);
    overflow-x: hidden;
}

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

::selection {
    background: var(--primary);
    color: white;
}

/* Premium Color Palette */
:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #06b6d4;
    --accent: #10b981;
    --accent-orange: #f59e0b;
    --accent-purple: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow: rgba(15, 23, 42, 0.08);
    --shadow-lg: rgba(15, 23, 42, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Enhanced Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px var(--shadow);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-container img {
    height: 40px;
    transition: transform 0.3s ease;
}

.logo-container:hover img {
    transform: scale(1.05);
}

.company-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

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

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--text-light);
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 100%;
}

.cta-button {
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

/* Modern Hero Section */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    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="50" cy="50" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: grain 8s steps(10, end) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0) }
    20% { transform: translate(-5%, 5%) }
    40% { transform: translate(-5%, -5%) }
    60% { transform: translate(5%, 5%) }
    80% { transform: translate(5%, -5%) }
}

.hero-content {
    text-align: center;
    max-width: 1200px;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    animation: slideInUp 1s ease-out 0.2s both;
}

.hero .subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: slideInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 1s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

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

/* Floating Elements */
.floating-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%; left: 10%; width: 80px; height: 80px;
    animation-delay: -2s;
}

.floating-element:nth-child(2) {
    top: 60%; right: 15%; width: 120px; height: 120px;
    animation-delay: -4s;
}

.floating-element:nth-child(3) {
    bottom: 30%; left: 20%; width: 60px; height: 60px;
    animation-delay: -1s;
}

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

/* Success Banner */
.success-banner {
    background: var(--gradient-secondary);
    padding: 1rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    animation: slideInFromLeft 1s ease-out;
}

.banner-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
}

.banner-item i {
    font-size: 1.2rem;
    color: var(--accent-orange);
}

/* Technology Stack Section */
.tech-stack {
    padding: 6rem 2rem;
    background: var(--light);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-category {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
}

.tech-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--light);
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.tech-item:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.2);
}

.tech-item i {
    font-size: 1.5rem;
    color: var(--primary);
    transition: color 0.3s ease;
}

.tech-item:hover i {
    color: white;
}

.tech-item span {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Services Section */
.services {
    padding: 6rem 2rem;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(30, 64, 175, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.service-features i {
    color: var(--accent);
    font-size: 0.8rem;
}

/* Stats Section */
.stats {
    background: var(--dark);
    padding: 4rem 2rem;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Why Choose Us */
.why-choose {
    padding: 6rem 2rem;
    background: var(--light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.contact-form {
    background: var(--light);
    padding: 2.5rem;
    border-radius: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--secondary);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    nav {
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    header {
        padding: 1rem;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}