/* ===================================
   RSD Tech - CSS Variables & Reset
   =================================== */

:root {
    /* Primary Colors - Deep Blue Navy Theme */
    --primary-dark: #0a1628;
    --primary-main: #1a2b4a;
    --primary-light: #2d4169;
    --accent-cyan: #00d4ff;
    --accent-blue: #0088cc;
    --accent-teal: #00b4a6;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-primary: 'Sora', sans-serif;
    --font-secondary: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   Container & Layout
   =================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.section-header.centered {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--gray-200);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-text {
    color: var(--primary-dark);
    letter-spacing: -0.02em;
}

.logo-subtitle {
    color: var(--accent-cyan);
    font-size: 1rem;
    font-weight: 600;
}

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

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width var(--transition-base);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--primary-dark);
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ===================================
   Hero Section
   =================================== */

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--primary-light) 100%);
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-cyan), transparent);
    top: -150px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-teal), transparent);
    bottom: -100px;
    left: -150px;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease backwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeInUp 0.8s ease 0.5s backwards;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: var(--font-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeIn 1s ease 1s backwards;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ===================================
   Services Overview
   =================================== */

.services-overview {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--accent-cyan);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.service-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===================================
   Why Choose Section
   =================================== */

.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.why-intro {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-item:hover {
    background: var(--gray-50);
    transform: translateX(8px);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
}

.feature-text h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.feature-text p {
    color: var(--gray-600);
    line-height: 1.6;
}

.why-choose-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    position: relative;
}

.visual-card {
    background: linear-gradient(135deg, var(--primary-main), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--white);
    animation: float 6s ease-in-out infinite;
}

.visual-card.card-1 {
    grid-column: 1 / -1;
}

.visual-card.card-2 {
    animation-delay: -2s;
}

.visual-card.card-3 {
    animation-delay: -4s;
}

.card-icon {
    margin-bottom: var(--spacing-md);
}

.card-label {
    font-size: 1.25rem;
    font-weight: 600;
    font-family: var(--font-primary);
}

/* ===================================
   About Section
   =================================== */

.about {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.value-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.value-item:hover {
    border-color: var(--accent-cyan);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
}

.value-item h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.value-item p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-box {
    background: linear-gradient(135deg, var(--primary-main), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    animation: float 6s ease-in-out infinite;
}

.stat-box:nth-child(2) { animation-delay: -1.5s; }
.stat-box:nth-child(3) { animation-delay: -3s; }
.stat-box:nth-child(4) { animation-delay: -4.5s; }

.stat-number-large {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: var(--font-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label-large {
    font-size: 0.9375rem;
    color: var(--gray-300);
    font-weight: 500;
}

/* ===================================
   Services Detail Section
   =================================== */

.services-detail {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.service-detail-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    transition: height var(--transition-base);
}

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

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

.service-number {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.service-detail-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

.service-detail-description {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.service-features li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
}

/* ===================================
   Technologies Section
   =================================== */

.technologies {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.tech-category {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.tech-category-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-dark);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--gray-200);
}

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

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.tech-item:hover {
    background: var(--white);
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tech-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-family: var(--font-primary);
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
}

/* ===================================
   Industries Section
   =================================== */

.industries {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.industry-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.industry-card:hover {
    background: var(--white);
    border-color: var(--accent-cyan);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.industry-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: var(--accent-cyan);
    transition: all var(--transition-base);
}

.industry-card:hover .industry-icon {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.industry-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.industry-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-intro {
    font-size: 1.0625rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 180, 166, 0.1));
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--primary-dark);
    transition: color var(--transition-base);
}

.contact-value:hover {
    color: var(--accent-cyan);
}

.business-hours {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.business-hours h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.business-hours p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button[type="submit"] {
    grid-column: 1 / -1;
    margin-top: var(--spacing-sm);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--primary-dark);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-logo .logo-subtitle {
    color: var(--accent-cyan);
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-title {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--gray-400);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--accent-cyan);
}

/* ===================================
   Animations
   =================================== */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .why-choose-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1.0625rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .services-grid,
    .services-detail-grid,
    .tech-categories,
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
}