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

:root {
    /* Minava Color Palette - Profesyonel & Güvenilir */
    --primary-navy: #1B365D;        /* Ana Kurumsal - Güvenilir Lacivert */
    --primary-steel: #4A90B8;       /* İkincil - Çelik Mavi */
    --accent-gold: #C5A572;         /* Accent - Prestijli Altın */
    --apps-accent: #4A90B8;         /* Apps Accent - Çelik Mavi */
    --growth-accent: #C5A572;       /* Growth Accent - Prestijli Altın */
    --web-accent: #4A90B8;          /* Web Accent - Çelik Mavi */
    --ai-accent: #6B8CAE;           /* AI Accent - Yumuşak Mavi */
    
    /* Gradients */
    --gradient: linear-gradient(135deg, var(--primary-navy), var(--primary-steel));
    --apps-gradient: linear-gradient(135deg, var(--primary-navy), var(--apps-accent));
    --growth-gradient: linear-gradient(135deg, var(--primary-navy), var(--growth-accent));
    --web-gradient: linear-gradient(135deg, var(--primary-navy), var(--web-accent));
    --ai-gradient: linear-gradient(135deg, var(--primary-navy), var(--ai-accent));
    
    /* Light Theme */
    --bg-primary: #f7f7f7;
    --bg-secondary: #f0f0f0;        /* Nötr Arka Plan - Yumuşak Gri */
    --bg-card: #ffffff;
    --text-primary: #1E293B;        /* Yazı - Profesyonel Koyu */
    --text-secondary: #475569;      /* İkincil Yazı - Güvenilir Gri */
    --text-muted: #64748B;
    --border: #e2e8f0;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}



html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

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

.gradient-text {
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    border-color: var(--primary-steel);
    color: var(--primary-steel);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}



.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-lg);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
}

.logo-text {
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}



.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.tech-showcase {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 3D Floating Cards */
.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-navy), var(--primary-steel));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(27, 54, 93, 0.3);
    animation: float 6s ease-in-out infinite;
    z-index: 3;
}

.floating-card .card-icon {
    color: white;
    font-size: var(--font-size-xl);
    z-index: 2;
}

.card-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-steel), var(--accent-gold));
    border-radius: var(--radius-lg);
    opacity: 0.3;
    filter: blur(10px);
    animation: glow 3s ease-in-out infinite alternate;
}

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

.card-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

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

/* Tech Sphere */
.tech-sphere {
    position: relative;
    width: 200px;
    height: 200px;
    z-index: 1;
}

.sphere-core {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-navy), var(--primary-steel));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 30px rgba(74, 144, 184, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.sphere-ring {
    position: absolute;
    border: 2px solid var(--primary-steel);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 10s linear infinite;
}

.ring-1 {
    width: 120px;
    height: 120px;
    border-color: rgba(74, 144, 184, 0.6);
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-2 {
    width: 160px;
    height: 160px;
    border-color: rgba(197, 165, 114, 0.4);
    animation-duration: 20s;
}

.ring-3 {
    width: 200px;
    height: 200px;
    border-color: rgba(27, 54, 93, 0.3);
    animation-duration: 25s;
    animation-direction: reverse;
}

.sphere-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 50%;
    animation: particle-float 4s ease-in-out infinite;
}

.particle:nth-child(1) { top: 20%; left: 30%; animation-delay: 0s; }
.particle:nth-child(2) { top: 60%; right: 25%; animation-delay: 1s; }
.particle:nth-child(3) { bottom: 30%; left: 40%; animation-delay: 2s; }
.particle:nth-child(4) { top: 40%; right: 40%; animation-delay: 3s; }
.particle:nth-child(5) { bottom: 60%; right: 30%; animation-delay: 0.5s; }
.particle:nth-child(6) { top: 80%; left: 20%; animation-delay: 1.5s; }

/* Data Stream */
.data-stream {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

.stream-line {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--primary-steel), transparent);
    animation: stream-flow 3s ease-in-out infinite;
}

.stream-line:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
}

.stream-line:nth-child(2) {
    left: 50%;
    animation-delay: 1s;
}

.stream-line:nth-child(3) {
    right: 20%;
    animation-delay: 2s;
}





.mockup-screen {
    padding: var(--spacing-lg);
    height: 100%;
}

.app-interface {
    background: var(--gradient);
    height: 100%;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    color: white;
    position: relative;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.app-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.app-icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.feature-icon {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.feature-text {
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    flex: 1;
}

.dashboard-interface {
    height: 100%;
    padding: var(--spacing-md);
}

.dashboard-header {
    margin-bottom: var(--spacing-md);
}

.dashboard-title {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.dashboard-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.stat-card {
    flex: 1;
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}



.stats .stat-value {
    font-weight: 700;
    color: var(--accent-gold);
    font-size: var(--font-size-sm);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.dashboard-chart {
    height: 60px;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    opacity: 0.2;
    position: relative;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -50px;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

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

@keyframes glow {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes particle-float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
    50% { transform: translateY(-10px) scale(1.2); opacity: 1; }
}

@keyframes stream-flow {
    0% { transform: translateY(-100px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100px); opacity: 0; }
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
}

.value-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.value-description {
    color: var(--text-secondary);
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
}

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

.service-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card.active {
    border: 2px solid var(--primary-steel);
}

.service-card.coming-soon {
    opacity: 0.7;
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: white;
}

/* Service Card Specific Colors */
.service-card.apps.active .service-icon {
    background: var(--apps-gradient);
}

.service-card.apps.active {
    border: 2px solid var(--primary-turquoise);
}

.service-card.apps .service-cta:hover {
    color: var(--apps-accent);
}

.service-card.growth.active .service-icon {
    background: var(--growth-gradient);
}

.service-card.growth.active {
    border: 2px solid var(--primary-turquoise);
}

.service-card.growth .service-cta:hover {
    color: var(--growth-accent);
}

.service-card.web .service-icon {
    background: var(--web-gradient);
}

.service-card.web.coming-soon {
    border: 2px solid var(--primary-turquoise);
    opacity: 0.8;
}

.service-card.web .service-cta.disabled {
    color: var(--web-accent);
}

.service-card.ai .service-icon {
    background: var(--ai-gradient);
}

.service-card.ai.coming-soon {
    border: 2px solid var(--primary-turquoise);
    opacity: 0.8;
}

.service-card.ai .service-cta.disabled {
    color: var(--ai-accent);
}

.service-card.coming-soon .service-icon {
    opacity: 0.9;
}

/* Fallback for active services without specific class */
.service-card.active .service-icon {
    background: var(--gradient);
}

.service-card.active {
    border: 2px solid var(--primary-steel);
}

.service-brand {
    flex: 1;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.service-status {
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.service-status.active {
    background: #10b981;
    color: white;
}

.service-status.coming-soon {
    background: var(--text-muted);
    color: white;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.feature {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-steel);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-cta:hover {
    color: var(--accent-gold);
}

.service-cta.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Stats Section */
.stats {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 50%, var(--growth-accent) 100%);
    opacity: 0.1;
    z-index: 1;
}

.stats .container {
    position: relative;
    z-index: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stats .stat-label {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    opacity: 1;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.testimonial-content {
    padding: var(--spacing-xl);
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.testimonial-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    text-decoration: none;
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-method.whatsapp:hover {
    border-color: #25d366;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.method-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: white;
}

.whatsapp .method-icon {
    background: #25d366;
}

.email .method-icon {
    background: var(--gradient);
}

.method-content h3 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.method-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-steel);
    color: white;
    border-color: var(--primary-steel);
}

.contact-form-container {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-steel);
    box-shadow: 0 0 0 3px rgba(74, 144, 184, 0.1);
}

.form-submit {
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding-top: calc(var(--spacing-3xl) + 80px);
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        margin-top: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid,
    .values-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-showcase {
        height: 300px;
    }
    
    .floating-card {
        width: 60px;
        height: 60px;
    }
    
    .floating-card .card-icon {
        font-size: var(--font-size-lg);
    }
    
    .tech-sphere {
        width: 150px;
        height: 150px;
    }
    
    .sphere-core {
        width: 60px;
        height: 60px;
    }
    
    .ring-1 { width: 90px; height: 90px; }
    .ring-2 { width: 120px; height: 120px; }
    .ring-3 { width: 150px; height: 150px; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: var(--spacing-md);
    }
    
    .hero {
        padding-top: calc(var(--spacing-2xl) + 70px);
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        margin-top: var(--spacing-md);
        line-height: 1.2;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.animate-slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-steel);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}