/* ===================================
   TechInnovate Brand Style Guide
   =================================== */

/* Color Palette */
:root {
    /* Primary Gradient Colors */
    --electric-blue: #3A7DFF;
    --deep-purple: #6B46E5;
    
    /* Background Colors */
    --primary-bg: #0D1117;
    --secondary-bg: #161B22;
    --card-bg: #1C2128;
    
    /* Text Colors */
    --text-primary: #E5E7EB;
    --text-secondary: #8B949E;
    --text-white: #FFFFFF;
    
    /* Light Mode (Optional) */
    --light-bg: #F8F9FA;
    --light-text: #0D1117;
    
    /* Accent Colors */
    --gradient-primary: linear-gradient(135deg, var(--electric-blue), var(--deep-purple));
    --gradient-hover: linear-gradient(135deg, #4A8DFF, #7B56F5);
    
    /* Shadows & Effects */
    --shadow-sm: 0 2px 8px rgba(58, 125, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(58, 125, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(58, 125, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(58, 125, 255, 0.3);
    
    /* Typography - Accenture-inspired */
    --font-heading: 'Exo 2', 'Graphik', 'Helvetica Neue', sans-serif;
    --font-body: 'Inter', 'Graphik', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-md: 1.125rem;     /* 18px */
    --font-size-lg: 1.25rem;      /* 20px */
    --font-size-xl: 1.5rem;       /* 24px */
    --font-size-2xl: 2rem;        /* 32px */
    --font-size-3xl: 2.5rem;      /* 40px */
    --font-size-4xl: 3rem;        /* 48px */
    --font-size-5xl: 3.75rem;     /* 60px */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    
    /* Spacing - More generous like Accenture */
    --spacing-xs: 0.5rem;         /* 8px */
    --spacing-sm: 1rem;           /* 16px */
    --spacing-md: 1.5rem;         /* 24px */
    --spacing-lg: 2.5rem;         /* 40px */
    --spacing-xl: 4rem;           /* 64px */
    --spacing-2xl: 6rem;          /* 96px */
    --spacing-3xl: 8rem;          /* 128px */
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Global Styles & Reset
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
    overflow-x: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--letter-spacing-tight);
}

h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 700;
    line-height: 1.1;
}

h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 600;
}

h3 {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-2xl));
    font-weight: 600;
}

h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-md);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(58, 125, 255, 0.1);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(13, 17, 23, 0.98);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-normal);
}

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

.nav-link:hover {
    color: var(--electric-blue);
}

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

.nav-link.contact-btn {
    background: var(--gradient-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: var(--text-white);
    font-weight: 600;
}

.nav-link.contact-btn::after {
    display: none;
}

.nav-link.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

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

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
    padding-bottom: var(--spacing-3xl);
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, rgba(58, 125, 255, 0.15), transparent 70%),
                radial-gradient(ellipse at bottom right, rgba(107, 70, 229, 0.15), transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 var(--spacing-md);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: var(--letter-spacing-tight);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: 0 2px 8px rgba(58, 125, 255, 0.3);
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(58, 125, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
}

.btn-secondary:hover {
    background: var(--electric-blue);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(58, 125, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--electric-blue);
    color: var(--electric-blue);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: var(--font-size-md);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Section Styles
   =================================== */

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
    font-weight: 400;
}

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

.services {
    background-color: var(--secondary-bg);
}

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

.service-card {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 8px;
    transition: all var(--transition-normal);
    border: 1px solid rgba(58, 125, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: var(--transition-normal);
    transform-origin: top;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(58, 125, 255, 0.2);
    border-color: rgba(58, 125, 255, 0.3);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    color: var(--text-white);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.service-card p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-link {
    color: var(--electric-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.service-link:hover {
    gap: 1rem;
}

/* ===================================
   Expertise Section
   =================================== */

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.expertise-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(58, 125, 255, 0.1);
}

.expertise-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    border-color: var(--electric-blue);
}

.expertise-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.8rem;
    color: var(--text-white);
}

.expertise-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.expertise-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Stats Section
   =================================== */

.stats {
    background: var(--gradient-primary);
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

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

.stat-number {
    font-size: clamp(3rem, 5vw, 4rem);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

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

.about {
    background-color: var(--secondary-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-intro {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.about-values {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--electric-blue);
    font-weight: 600;
}

.value-item i {
    font-size: 1.5rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(58, 125, 255, 0.2);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* ===================================
   Insights Section
   =================================== */

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

.insight-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(58, 125, 255, 0.1);
}

.insight-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.insight-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.insight-card:hover .insight-image img {
    transform: scale(1.1);
}

.insight-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.insight-content {
    padding: 2rem;
}

.insight-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.insight-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.insight-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.insight-link {
    color: var(--electric-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.insight-link:hover {
    gap: 1rem;
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    background: var(--gradient-primary);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.cta-section .btn-primary {
    background: var(--text-white);
    color: var(--electric-blue);
}

.cta-section .btn-primary:hover {
    background: var(--text-white);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

.contact {
    background-color: var(--secondary-bg);
}

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

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--electric-blue);
    margin-top: 0.25rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.2rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(58, 125, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-bg);
    border: 1px solid rgba(58, 125, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px rgba(58, 125, 255, 0.1);
}

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

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

.footer {
    background-color: var(--primary-bg);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(58, 125, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 35px;
    width: auto;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.footer-section ul li a {
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.footer-section ul li a:hover {
    color: var(--electric-blue);
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    background-color: var(--card-bg);
    border: 1px solid rgba(58, 125, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
}

.newsletter-form button {
    padding: 0.75rem 1.25rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: var(--text-white);
    cursor: pointer;
    transition: var(--transition-normal);
}

.newsletter-form button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(58, 125, 255, 0.1);
    color: var(--text-secondary);
}

/* ===================================
   Scroll to Top Button
   =================================== */

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

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

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

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

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

@media (max-width: 1024px) {
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services-grid,
    .insights-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-2xl: 4rem;
        --spacing-3xl: 5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        transition: var(--transition-normal);
        border-top: 1px solid rgba(58, 125, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .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-cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 320px;
    }
    
    .services-grid,
    .expertise-grid,
    .insights-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .service-card,
    .expertise-card {
        padding: 2rem;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-2xl);
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
}

/* ===================================
   Utility Classes
   =================================== */

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

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

/* ===================================
   Loading Animation (Optional)
   =================================== */

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(58, 125, 255, 0.2);
    border-top-color: var(--electric-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===================================
   Floating Action Buttons
   =================================== */

.floating-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.call-btn {
    background: linear-gradient(135deg, #3A7DFF, #2868E5);
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(58, 125, 255, 0.6);
    }
}

@media (max-width: 768px) {
    .floating-actions {
        bottom: 1rem;
        right: 1rem;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* ===================================
   Enhanced Light/Dark Mode Support
   =================================== */

body.light-mode {
    background-color: #ffffff;
    color: #1a202c;
}

body.light-mode .hero {
    background: linear-gradient(135deg, #f7fafc 0%, #e2e8f0 100%);
}

body.light-mode .hero-gradient {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(247,250,252,0.9) 100%);
}

body.light-mode .hero-title,
body.light-mode .hero-subtitle,
body.light-mode p {
    color: #1a202c;
}

body.light-mode .hero-subtitle {
    color: #4a5568 !important;
}

body.light-mode .animated-stats {
    background: linear-gradient(180deg, rgba(247,250,252,0.8) 0%, rgba(226,232,240,0.9) 100%);
}

body.light-mode .stat-label {
    color: #4a5568 !important;
}

body.light-mode .service-card,
body.light-mode .expertise-card {
    background: #ffffff;
    color: #1a202c;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

body.light-mode .service-card:hover,
body.light-mode .expertise-card:hover {
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

body.light-mode .section-title,
body.light-mode h1, body.light-mode h2, body.light-mode h3,
body.light-mode h4, body.light-mode h5, body.light-mode h6 {
    color: #1a202c;
}

body.light-mode .footer {
    background: #f7fafc;
    color: #1a202c;
}

/* Button Hover Effects */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102,126,234,0.5);
}

.btn-outline:hover {
    background: rgba(102,126,234,0.1);
    border-color: rgba(102,126,234,0.8);
}

/* Stat Item Hover */
.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(102,126,234,0.3);
    background: rgba(102,126,234,0.1) !important;
}

/* Animation keyframes for buttons */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-delay-3 {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
    opacity: 0;
}