/* =========================================
   StaffProTech - Professional Styles
   Elementor-Ready Section-Based Design
   ========================================= */

/* CSS Variables */
:root {
    /* Primary Blues */
    --primary-900: #0c2340;
    --primary-800: #0f2d52;
    --primary-700: #153d6e;
    --primary-600: #1a4f8c;
    --primary-500: #1e5faa;
    --primary-400: #3b7bc9;
    --primary-300: #6a9dd8;
    --primary-200: #a3c4e8;
    --primary-100: #d6e5f5;
    --primary-50: #eef4fa;
    
    /* Accent Colors */
    --accent-blue: #0066cc;
    --accent-light: #4da3ff;
    --accent-dark: #003d7a;
    
    /* Neutrals */
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --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);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.25rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    border-color: var(--primary-600);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--primary-700);
    border-color: var(--white);
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-700);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Header / Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    border-radius: var(--radius);
}

.logo-text {
    color: var(--gray-900);
}

.logo-highlight {
    color: var(--primary-600);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-cta {
    margin-left: 16px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--white) 50%, var(--primary-50) 100%);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: 
        radial-gradient(circle at 70% 30%, rgba(30, 95, 170, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(30, 95, 170, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title {
    margin-bottom: 24px;
    color: var(--gray-900);
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 540px;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-trust {
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.trust-text {
    font-size: 14px;
    color: var(--gray-500);
}

.trust-flags {
    display: flex;
    gap: 20px;
}

.flag {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 1s ease 0.5s forwards;
    opacity: 0;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 550px;
}

.hero-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 95, 170, 0.1) 0%, transparent 50%);
    border-radius: var(--radius-2xl);
}

.hero-floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 4s ease-in-out infinite;
}

.hero-floating-card.card-1 {
    top: 20px;
    left: -30px;
    animation-delay: 0s;
}

.hero-floating-card.card-2 {
    bottom: 60px;
    right: -30px;
    animation-delay: 2s;
}

.hero-floating-card.card-3 {
    bottom: -20px;
    left: 20px;
    animation-delay: 1s;
}

.floating-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary-600);
}

.floating-text h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.floating-text span {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-600);
}

/* Hero Graphic (Animated Circles) */
.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graphic-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--primary-200);
}

.circle-1 {
    width: 400px;
    height: 400px;
    border-color: var(--primary-100);
    animation: rotate 25s linear infinite;
}

.circle-2 {
    width: 300px;
    height: 300px;
    border-color: var(--primary-200);
    animation: rotate 18s linear infinite reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    border-color: var(--primary-300);
    animation: rotate 12s linear infinite;
}

.graphic-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-600);
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.icon-1 {
    top: -30px;
    left: 50%;
    margin-left: -30px;
    animation-delay: 0s;
}

.icon-2 {
    right: -30px;
    top: 50%;
    margin-top: -30px;
    animation-delay: 0.75s;
}

.icon-3 {
    bottom: -30px;
    left: 50%;
    margin-left: -30px;
    animation-delay: 1.5s;
}

.icon-4 {
    left: -30px;
    top: 50%;
    margin-top: -30px;
    animation-delay: 2.25s;
}

.graphic-center {
    position: relative;
    z-index: 2;
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    box-shadow: 0 0 40px rgba(30, 95, 170, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInLeft {
    from { 
        opacity: 0; 
        transform: translateX(-30px);
    }
    to { 
        opacity: 1; 
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Sections */
.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* Who We Serve */
.serve-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.serve-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.serve-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.serve-card:hover::before {
    transform: scaleX(1);
}

.serve-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.serve-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-600);
    margin: 0 auto 20px;
    transition: var(--transition);
}

.serve-card:hover .serve-icon {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: var(--white);
    transform: scale(1.1);
}

.serve-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.serve-card p {
    font-size: 14px;
    color: var(--gray-500);
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

.stats .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.stats .section-title {
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

/* Operating Model */
.model-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.model-content .section-badge {
    margin-bottom: 16px;
}

.model-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.model-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.model-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.model-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-700);
}

.model-feature i {
    color: var(--success);
    font-size: 18px;
}

.model-image-wrapper {
    position: relative;
}

.model-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.model-image-badge {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-image-badge i {
    font-size: 24px;
    color: var(--success);
}

.model-image-badge span {
    font-weight: 600;
    color: var(--gray-800);
}

/* Focus Areas */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.focus-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.focus-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.focus-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    margin-bottom: 24px;
    transition: var(--transition);
}

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

.focus-card h3 {
    margin-bottom: 16px;
}

.focus-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
}

.focus-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-600);
    font-weight: 600;
    font-size: 15px;
}

.focus-link:hover {
    gap: 12px;
}

/* Image Gallery Section */
.image-banner {
    position: relative;
    height: 400px;
    overflow: hidden;
}

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

.image-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(12, 35, 64, 0.8), rgba(30, 95, 170, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-banner-content {
    text-align: center;
    color: var(--white);
    max-width: 700px;
    padding: 0 24px;
}

.image-banner-content h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.image-banner-content p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

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

.cta-content h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

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

.footer-tagline {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-markets {
    display: flex;
    gap: 16px;
    font-size: 14px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 24px;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-contact li {
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-contact i {
    color: var(--primary-400);
    width: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-600);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 14px;
}

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

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* Fade Variations */
.fade-up { transform: translateY(40px); }
.fade-down { transform: translateY(-40px); }
.fade-left { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }
.fade-scale { transform: scale(0.9); }

.animated.fade-up,
.animated.fade-down { transform: translateY(0); }
.animated.fade-left,
.animated.fade-right { transform: translateX(0); }
.animated.fade-scale { transform: scale(1); }

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-trust {
        align-items: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .serve-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .model-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .model-content .section-title {
        text-align: center;
    }
    
    .model-content {
        text-align: center;
    }
    
    .model-features {
        align-items: center;
    }
    
    .focus-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-cta {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .serve-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        order: 1;
    }
    
    .footer-markets {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .image-banner {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .serve-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-flags {
        flex-direction: column;
        gap: 8px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Loading Animation */
.loading-shimmer {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}