/* ============================================
   TechZium Solutions - Modern Professional Website
   Author: TechZium Development Team
   ============================================ */

/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Brand Colors - Based on TechZium Logo */
    --primary-color: #00d4ff;
    --secondary-color: #00ff88;
    --accent-color: #7b2ff7;
    --dark-bg: #0a0e27;
    --darker-bg: #050815;
    --light-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8ba0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
    --gradient-secondary: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 47, 247, 0.1) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 212, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-tech: 'Orbitron', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(123, 47, 247, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

.mt-30 {
    margin-top: 30px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.tech-text {
    font-family: var(--font-tech);
    letter-spacing: 2px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -1;
    transition: var(--transition-smooth);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-primary::before {
    background: var(--gradient-secondary);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: transparent;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-smooth);
}

.navbar.scrolled .logo img {
    height: 40px;
}

.logo-text {
    font-family: var(--font-tech);
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
    position: relative;
}

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

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

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.circuit-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, rgba(0, 212, 255, 0.03) 0px, transparent 1px, transparent 40px),
        repeating-linear-gradient(90deg, rgba(0, 212, 255, 0.03) 0px, transparent 1px, transparent 40px);
    animation: circuitMove 20s linear infinite;
}

@keyframes circuitMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.gradient-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(123, 47, 247, 0.15) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-title .gradient-text {
    display: block;
    font-size: 64px;
}

.hero-title .tech-text {
    display: block;
    font-size: 80px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 32px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    50% { opacity: 0.5; }
    100% { top: 30px; opacity: 0; }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.section-description {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.about-text h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--secondary-color);
    font-size: 18px;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.floating-card {
    position: absolute;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.floating-card span {
    font-weight: 600;
    color: var(--text-primary);
}

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

.card-2 {
    bottom: 30%;
    left: -20px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    right: -20px;
    animation-delay: 2s;
}

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

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--section-padding);
    background: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.service-card:hover::before {
    opacity: 1;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: var(--transition-bounce);
}

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

.service-icon i {
    font-size: 36px;
    color: var(--text-primary);
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.service-features i {
    color: var(--secondary-color);
    font-size: 12px;
}

/* ============================================
   Portfolio Section
   ============================================ */
.portfolio {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    aspect-ratio: 4/3;
}

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

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.95) 0%, rgba(123, 47, 247, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    padding: 30px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    text-align: center;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.portfolio-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.portfolio-content {
    padding: 20px 0;
}

.portfolio-category {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.portfolio-content h3 {
    font-size: 20px;
    color: var(--text-primary);
}

.portfolio-cta {
    text-align: center;
    margin-top: 60px;
}

.portfolio-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* ============================================
   Why Choose Us Section
   ============================================ */
.why-choose {
    padding: var(--section-padding);
    background: var(--dark-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.why-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(123, 47, 247, 0.05) 100%);
    border-color: var(--primary-color);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition-bounce);
}

.why-card:hover .why-icon {
    transform: scale(1.1) rotate(360deg);
}

.why-icon i {
    font-size: 36px;
    color: var(--text-primary);
}

.why-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.why-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Technologies Section
   ============================================ */
.technologies {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.tech-category {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.tech-category h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 15px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.tech-item:hover {
    transform: translateY(-5px);
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 40px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: var(--section-padding);
    background: var(--dark-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 20px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 100px;
    color: rgba(0, 212, 255, 0.1);
    font-family: serif;
    line-height: 1;
}

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

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: #ffc107;
    font-size: 18px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    font-size: 28px;
    color: var(--text-primary);
}

.author-info h4 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

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

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--section-padding);
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 24px;
    color: var(--text-primary);
}

.contact-details h4 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-details p,
.contact-details a {
    font-size: 15px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--light-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-5px);
}

.contact-form-wrapper {
    background: var(--light-bg);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.05);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-group textarea + label {
    top: 25px;
    transform: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 15px;
    font-size: 12px;
    color: var(--primary-color);
    background: var(--light-bg);
    padding: 0 10px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    opacity: 0;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

.form-message {
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    display: block;
}

.form-message.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff0000;
    color: #ff0000;
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 40px;
}

.footer-logo span {
    font-family: var(--font-tech);
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.footer-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

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

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--light-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }
    
    .hero-title .gradient-text {
        font-size: 48px;
    }
    
    .hero-title .tech-text {
        font-size: 64px;
    }
    
    .services-grid,
    .portfolio-grid,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px;
        gap: 20px;
        transition: var(--transition-smooth);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-title .gradient-text {
        font-size: 36px;
    }
    
    .hero-title .tech-text {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-grid,
    .portfolio-grid,
    .why-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-items {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-title .gradient-text {
        font-size: 28px;
    }
    
    .hero-title .tech-text {
        font-size: 36px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .tech-items {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .navbar,
    .scroll-top,
    .mobile-toggle {
        display: none;
    }
}