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

:root {
    /* Color System - Dark Slate with Teal/Cyan Accents */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-bg-card: #1e293b;
    --color-bg-light: #f8fafc;
    
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    
    --color-accent-primary: #14b8a6;
    --color-accent-secondary: #06b6d4;
    --color-accent-tertiary: #22d3ee;
    --color-accent-hover: #2dd4bf;
    
    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-light: rgba(148, 163, 184, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(20, 184, 166, 0.3);
    
    /* Typography */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 24px;
}

.nav-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    transition: var(--transition-base);
    border-radius: 2px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(20, 184, 166, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(20, 184, 166, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 184, 166, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 50px;
    color: var(--color-accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator span {
    display: block;
    width: 32px;
    height: 32px;
    border-right: 3px solid var(--color-accent-primary);
    border-bottom: 3px solid var(--color-accent-primary);
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: rgba(20, 184, 166, 0.1);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: 50px;
    color: var(--color-accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 650px;
    line-height: 1.7;
    font-weight: 400;
}

/* About Section */
.about {
    background: var(--color-bg-secondary);
}

.about-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content-left {
    position: sticky;
    top: 100px;
}

.about-lead {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-weight: 500;
}

.about-text {
    margin-bottom: 2.5rem;
}

.about-text p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.highlight-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

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

.highlight-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.about-content-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-card {
    background: var(--color-bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-accent-primary), var(--color-accent-secondary));
    transform: scaleY(0);
    transition: var(--transition-base);
}

.about-card:hover::before {
    transform: scaleY(1);
}

.about-card:hover {
    transform: translateX(8px);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-lg);
}

.card-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.about-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Services Section */
.services {
    background: var(--color-bg-primary);
}

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

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

.service-card {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    transform: scaleX(0);
    transition: var(--transition-base);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-primary);
}

.service-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    margin-bottom: 1rem;
    line-height: 1;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.service-link {
    color: var(--color-accent-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* How We Work Section */
.how-we-work {
    background: var(--color-bg-secondary);
}

.how-we-work-header {
    text-align: center;
    margin-bottom: 4rem;
}

.process-flow {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.process-flow::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    bottom: 80px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent-primary), var(--color-accent-secondary));
    opacity: 0.3;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    background: var(--color-bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.process-step:hover .step-content {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.step-connector {
    display: none;
}

/* Technologies Section */
.technologies {
    background: var(--color-bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.tech-category:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.tech-category h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    background: rgba(20, 184, 166, 0.1);
    color: var(--color-accent-primary);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(20, 184, 166, 0.2);
    transition: var(--transition-fast);
}

.tech-tag:hover {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Why Choose Us Section */
.why-choose-us {
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.05), rgba(6, 182, 212, 0.05));
    opacity: 0;
    transition: var(--transition-base);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-primary);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition-base);
    filter: drop-shadow(0 4px 8px rgba(20, 184, 166, 0.3));
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials {
    background: var(--color-bg-primary);
}

.testimonial-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonial-slide {
    background: var(--color-bg-card);
    padding: 4rem 3rem;
    border-radius: 16px;
    text-align: center;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.testimonial-content {
    position: relative;
    max-width: 700px;
}

.testimonial-quote {
    font-size: 5rem;
    color: var(--color-accent-primary);
    opacity: 0.15;
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-family: Georgia, serif;
    font-weight: 700;
}

.testimonial-text {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-primary);
    font-style: italic;
    margin: 2.5rem 0;
    line-height: 1.9;
    font-weight: 400;
}

.testimonial-author {
    margin-top: 2.5rem;
}

.testimonial-author strong {
    display: block;
    font-size: 1.125rem;
    color: var(--color-accent-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.testimonial-author span {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-btn {
    background: var(--color-bg-card);
    color: var(--color-accent-primary);
    border: 2px solid var(--color-border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-bg-primary);
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.testimonial-dots {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border-light);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.testimonial-dot:hover {
    background: var(--color-accent-primary);
    transform: scale(1.2);
}

.testimonial-dot.active {
    background: var(--color-accent-primary);
    width: 12px;
    height: 12px;
    border-color: var(--color-accent-secondary);
}

/* Contact Section */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-size: 1.0625rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--color-bg-card);
    border-radius: 12px;
    border-left: 3px solid var(--color-accent-primary);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.contact-item:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md);
}

.contact-item strong {
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-item span {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.contact-form {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition-fast);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1rem;
    font-weight: 500;
}

.form-message {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    display: none;
    font-weight: 500;
    border-left: 4px solid;
}

.form-message.success {
    background: rgba(20, 184, 166, 0.1);
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: #ef4444;
    display: block;
}

/* Footer */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-heading);
    margin-bottom: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.footer-section h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: var(--color-text-muted);
    line-height: 1.8;
    font-size: 0.95rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--color-accent-primary);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-12px);
    }
    60% {
        transform: translateX(-50%) translateY(-6px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-bg-secondary);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
        border-top: 1px solid var(--color-border);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
    }

    .hero-stats {
        gap: 2rem;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }

    .about-content-left {
        position: static;
    }

    .services-grid,
    .tech-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .process-flow::before {
        display: none;
    }

    .process-step {
        flex-direction: column;
        align-items: flex-start;
    }

    .step-number {
        margin-bottom: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--spacing-lg) 0;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .testimonial-slide {
        padding: 2.5rem 1.5rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .service-card,
    .feature-card,
    .tech-category,
    .about-card {
        padding: 2rem 1.5rem;
    }
}