/* ============================================
   REDYOI - Modern Enterprise IT Solutions
   Professional Website Redesign
   ============================================ */

/* CSS Variables - Design System */
:root {
    /* Colors */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-primary-light: #818CF8;
    --color-secondary: #8B5CF6;
    --color-accent: #06B6D4;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-black: #030712;
    
    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-dark: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: var(--spacing-6);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-gray-900);
}

.btn-white:hover {
    background: var(--color-gray-50);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

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

.btn-icon-left {
    width: 18px;
    height: 18px;
}

/* Section Styles */
.section-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--spacing-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-4) 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--spacing-3) 0;
    border-bottom-color: var(--color-gray-200);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-gray-900);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-base);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-6);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-nav-links a {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-2) 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-32) 0 var(--spacing-20);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    background: rgba(99, 102, 241, 0.15);
}

.hero-glow-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    background: rgba(139, 92, 246, 0.1);
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-cube {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    animation: float 6s ease-in-out infinite;
}

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

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

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

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    padding: 0 var(--container-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-6);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    color: var(--color-gray-900);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-8);
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-200);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gray-900);
    display: inline;
}

.stat-suffix {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--color-gray-200);
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.hero-card-stack {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero-card {
    position: absolute;
    padding: var(--spacing-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
}

.hero-card-ai {
    top: 0;
    right: 0;
    z-index: 3;
}

.hero-card-iot {
    top: 80px;
    right: 100px;
    z-index: 2;
}

.hero-card-security {
    top: 160px;
    right: 50px;
    z-index: 1;
}

.hero-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-4);
    color: var(--color-primary);
}

.card-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.card-pulse {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 12px;
    height: 12px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.card-pulse::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--color-success);
    border-radius: 50%;
    animation: ripple 2s ease-in-out infinite;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================
   TRUSTED BY SECTION
   ============================================ */
.trusted-section {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.trusted-label {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-8);
}

.trusted-logos {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.logo-track {
    display: flex;
    gap: var(--spacing-16);
    animation: scroll 30s linear infinite;
}

.client-logo {
    flex-shrink: 0;
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-400);
    white-space: nowrap;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions-section {
    padding: var(--spacing-24) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.solution-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.solution-featured {
    grid-column: span 3;
    display: flex;
    flex-direction: row;
    gap: var(--spacing-8);
    background: var(--gradient-dark);
    border-color: transparent;
    align-items: center;
}

.solution-featured:hover {
    border-color: transparent;
}

.solution-featured .solution-icon-wrapper {
    display: block;
    margin-bottom: var(--spacing-4);
}

.solution-featured .solution-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.solution-featured .solution-content {
    flex: 1;
}

.solution-featured .solution-content h3 {
    color: var(--color-white);
}

.solution-featured .solution-content p {
    color: rgba(255, 255, 255, 0.7);
}

.solution-featured .solution-link {
    color: var(--color-white);
}

.solution-featured .solution-visual {
    flex: 0 0 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon-wrapper {
    margin-bottom: var(--spacing-6);
}

.solution-icon {
    width: 56px;
    height: 56px;
    padding: var(--spacing-3);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.solution-featured .solution-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.solution-icon-iot {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-accent);
}

.solution-icon-security {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.solution-icon-elv {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.solution-icon-av {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.solution-icon-digital {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-secondary);
}

.solution-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.solution-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-6);
}

.solution-features {
    margin-bottom: var(--spacing-6);
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-2) 0;
}

.solution-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary-light);
    border-radius: 50%;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-base);
}

.solution-link:hover {
    gap: var(--spacing-3);
}

.solution-link svg {
    width: 16px;
    height: 16px;
}

.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-visualization {
    width: 250px;
    height: 250px;
    position: relative;
}

.neural-network {
    position: relative;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-primary-light);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    animation: nodePulse 2s ease-in-out infinite;
}

.node-1 { top: 20%; left: 30%; animation-delay: 0s; }
.node-2 { top: 40%; left: 60%; animation-delay: 0.5s; }
.node-3 { top: 60%; left: 25%; animation-delay: 1s; }
.node-4 { top: 30%; left: 70%; animation-delay: 1.5s; }
.node-5 { top: 70%; left: 55%; animation-delay: 2s; }

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
    transform-origin: left center;
    animation: connectionFlow 3s ease-in-out infinite;
}

.conn-1 { top: 25%; left: 35%; width: 80px; transform: rotate(30deg); }
.conn-2 { top: 45%; left: 30%; width: 60px; transform: rotate(-20deg); }
.conn-3 { top: 55%; left: 50%; width: 70px; transform: rotate(40deg); }
.conn-4 { top: 35%; left: 65%; width: 50px; transform: rotate(80deg); }

@keyframes connectionFlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    padding: var(--spacing-24) 0;
    background: var(--color-gray-50);
}

.services-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-16);
    align-items: start;
}

.services-info {
    position: sticky;
    top: 120px;
}

.services-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.service-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.stat-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-3);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.stat-desc {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.service-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.service-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-gray-100);
    margin-bottom: var(--spacing-4);
    transition: color var(--transition-base);
}

.service-card:hover .service-number {
    color: rgba(99, 102, 241, 0.2);
}

.service-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.service-card > p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.service-hover-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-6) var(--spacing-8);
    background: var(--gradient-primary);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.service-card:hover .service-hover-content {
    transform: translateY(0);
}

.service-hover-content ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.service-hover-content li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.service-hover-content li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: 50%;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: var(--spacing-24) 0;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image-container {
    position: relative;
}

.about-image-bg {
    position: absolute;
    inset: var(--spacing-6);
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    opacity: 0.1;
}

.about-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-gray-100);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 80px;
    height: 80px;
    color: var(--color-gray-300);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: var(--spacing-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
}

.exp-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.certification-cards {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

.cert-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.cert-card svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.cert-card span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.about-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    margin: var(--spacing-8) 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.feature-icon {
    width: 24px;
    height: 24px;
    padding: 4px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.about-feature span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-section {
    padding: var(--spacing-24) 0;
    background: var(--color-gray-50);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.product-card {
    padding: var(--spacing-8);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.product-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.product-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-3);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.product-badge {
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.product-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.product-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-6);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
}

.feature-tag {
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-base);
}

.product-link:hover {
    gap: var(--spacing-3);
}

.product-link svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-section {
    padding: var(--spacing-24) 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-12);
}

.filter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-500);
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    padding: var(--spacing-8);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.portfolio-category {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: rgba(99, 102, 241, 0.8);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-3);
    width: fit-content;
}

.portfolio-overlay h3 {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-1);
}

.portfolio-overlay p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-4);
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    transition: gap var(--transition-base);
}

.portfolio-link:hover {
    gap: var(--spacing-3);
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-12);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--spacing-24) 0;
    background: var(--gradient-dark);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

.cta-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-8);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: var(--spacing-24) 0;
    background: var(--color-gray-50);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-16);
}

.contact-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-8);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.contact-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-3);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-1);
}

.contact-text a,
.contact-text span {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-900);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    color: var(--color-gray-500);
    transition: all var(--transition-base);
}

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

.social-link svg {
    width: 20px;
    height: 20px;
}

.contact-form-wrapper {
    padding: var(--spacing-10);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    color: var(--color-gray-900);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--spacing-16) 0 var(--spacing-8);
    background: var(--color-gray-900);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer-logo span {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    max-width: 280px;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1280px) {
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-description {
        max-width: 640px;
        margin: 0 auto var(--spacing-8);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-featured {
        grid-column: span 2;
        flex-direction: column;
    }
    
    .solution-featured .solution-visual {
        flex: 0 0 200px;
        width: 100%;
    }
    
    .services-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .services-info {
        position: static;
        text-align: center;
    }
    
    .services-stats {
        flex-direction: row;
        justify-content: center;
    }
    
    .about-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .about-visual {
        order: 2;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--spacing-4);
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
    }
    
    .stat-divider {
        display: none;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-featured {
        grid-column: span 1;
        flex-direction: column;
        padding: var(--spacing-6);
    }
    
    .solution-featured .solution-visual {
        display: none;
    }
    
    .solution-featured .solution-content {
        text-align: left;
    }
    
    .solution-featured .solution-content h3 {
        font-size: var(--font-size-xl);
    }
    
    .solution-featured .solution-content p {
        font-size: var(--font-size-sm);
    }
    
    .solution-features {
        margin-bottom: var(--spacing-4);
    }
    
    .solution-features li {
        font-size: var(--font-size-sm);
        padding: var(--spacing-1) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .services-stats {
        flex-direction: column;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .certification-cards {
        flex-direction: column;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        flex-wrap: wrap;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: var(--font-size-3xl);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .experience-badge {
        right: 0;
        bottom: -10px;
    }
}