/* 
 * Modern Professional Stylesheet for Configurator.co.uk
 * Responsive design with modern aesthetics
 */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Enhanced vibrant palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #06b6d4;
    --accent-color: #f43f5e;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-gradient-start: #6366f1;
    --bg-gradient-end: #06b6d4;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows - Enhanced depth */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -1px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-color: 0 20px 40px -10px rgba(99, 102, 241, 0.3);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    --spacing-4xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Prevent flash of unstyled content */
body.loading {
    opacity: 0;
}

body.loaded {
    opacity: 1;
    transition: opacity 0.3s ease-in;
}

/* Selection color */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 6px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark), var(--primary-color));
}

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

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

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.btn:hover::before {
    opacity: 1;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 25px 50px -10px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    backdrop-filter: blur(10px);
}

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

/* ===== Header & Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.site-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-accent {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    padding-bottom: 0.25rem;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-base);
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-phone {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.nav-phone::after {
    display: none;
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ===== Main Content ===== */
.site-main {
    margin-top: 80px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e0e7ff 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(5deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 950px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 3s ease infinite;
}

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

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 var(--spacing-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Featured Case Study ===== */
.featured-case-study {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

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

.label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.case-study-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.case-study-metrics {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.metric {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-arrow {
    font-size: 2.5rem;
    color: var(--secondary-color);
    font-weight: bold;
    flex-shrink: 0;
}

.case-study-image {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-2xl);
    transform: rotate(2deg);
    transition: transform var(--transition-slow);
}

.case-study-image:hover {
    transform: rotate(0deg) scale(1.02);
}

.image-placeholder {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.image-placeholder img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== ROI / Benefits Stats ===== */
.roi-stats {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.roi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.roi-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.roi-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.roi-icon-text {
    font-size: 1.75rem;
    font-weight: 700;
}

.roi-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
}

.roi-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ===== Testimonial ===== */
.testimonial-section {
    padding: var(--spacing-3xl) 0;
}

.testimonial-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
}

.testimonial-avatar {
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.testimonial-card blockquote {
    font-size: 1.375rem;
    font-style: italic;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md);
    line-height: 1.5;
}

.testimonial-card cite {
    display: block;
    font-style: normal;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    position: relative;
    padding-right: var(--spacing-xl);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 700;
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item p {
    margin: var(--spacing-md) 0 0;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ===== Services Overview ===== */
.services-overview {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.125rem;
}

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

.service-card {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

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

.service-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-color);
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1.5rem;
}

.service-card p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    color: var(--text-secondary);
}

.service-link {
    color: var(--primary-color);
    font-weight: 700;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ===== Industries Section ===== */
.industries {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.industries::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
}

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

.industry-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.industry-card img {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.industry-card-body {
    padding: var(--spacing-lg);
}

.industry-card-body h3 {
    margin-bottom: var(--spacing-sm);
}

.industry-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.industry-checklist {
    list-style: none;
    margin: 0;
}

.industry-checklist li {
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.industry-checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* ===== Why Choose Us ===== */
.why-choose-us {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    position: relative;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(6, 182, 212, 0.05));
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature:hover {
    transform: translateY(-5px);
}

.feature-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    line-height: 1;
    opacity: 0.8;
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite reverse;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: white;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

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

.cta-section .btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.cta-section .btn-secondary {
    border-color: white;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.cta-section .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* ===== Footer ===== */
.site-footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #020617 100%);
    color: var(--text-light);
    padding: var(--spacing-4xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-col h3,
.footer-col h4 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.footer-col p {
    color: var(--text-light);
    line-height: 1.8;
}

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

.footer-col a {
    color: var(--text-light);
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-col a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

/* Contact info - horizontal layout */
.footer-col:has(ul.contact-info) {
    grid-column: 1 / -1;
}

.footer-col ul.contact-info {
    display: flex !important;
    flex-direction: row !important;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-around;
}

.footer-col ul.contact-info li {
    flex: 0 1 auto;
    min-width: 200px;
    margin-bottom: 0 !important;
    text-align: center;
}

.footer-col .contact-info strong {
    color: rgba(255, 255, 255, 0.9);
    display: block;
    margin-bottom: 0.25rem;
}

.footer-bottom {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--text-light);
}

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

.footer-links a:hover {
    transform: translateX(0);
    color: var(--primary-light);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-4xl: 5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl);
        transition: left var(--transition-slow);
        box-shadow: var(--shadow-2xl);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 1.25rem;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-phone {
        margin-top: var(--spacing-md);
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .case-study-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .case-study-image {
        transform: rotate(0deg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        min-height: 85vh;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3rem;
        --spacing-4xl: 4rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .btn {
        padding: 0.875rem 2rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
        flex-direction: column;
    }
    
    .stat {
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-light);
    }
    
    .stat:last-child {
        border-bottom: none;
    }
    
    .case-study-metrics {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .metric-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}