/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Primary Colors - Professional Blue Theme */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Secondary Colors - Vibrant Accent */
    --secondary-500: #8b5cf6;
    --secondary-600: #7c3aed;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Category Colors */
    --government: #2563eb;
    --banking: #059669;
    --insurance: #dc2626;
    --education: #7c3aed;
    --utility: #ea580c;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;

    /* Layout */
    --container-width: 1280px;
    --header-height: 80px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #334155;
}

/* Light Mode Variables (Default) */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --border-color: #e5e7eb;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

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

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

ul {
    list-style: none;
}

/* ===================================
   Loading Screen
   =================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-screen p {
    color: white;
    margin-top: var(--spacing-lg);
    font-size: var(--text-lg);
    font-weight: 500;
}

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

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .header.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-600);
}

.brand-icon {
    width: 32px;
    height: 32px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--primary-600);
    border-radius: 50%;
}

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

.nav-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--bg-tertiary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.hero-shape.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-500));
    top: -200px;
    right: -100px;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary-500), var(--primary-600));
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

.hero-shape.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-50);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

[data-theme="dark"] .hero-badge {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-400);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-item svg {
    width: 40px;
    height: 40px;
    color: var(--primary-600);
}

.stat-item h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-item p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
    height: 600px;
    animation: fadeInRight 1s ease-out;
}

.hero-card {
    position: absolute;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    animation: floatCard 3s ease-in-out infinite;
}

.hero-card svg {
    width: 40px;
    height: 40px;
    color: var(--primary-600);
}

.hero-card h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.hero-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.hero-card.card-1 {
    top: 10%;
    left: 10%;
}

.hero-card.card-2 {
    top: 45%;
    right: 5%;
    animation-delay: -1s;
}

.hero-card.card-3 {
    bottom: 15%;
    left: 15%;
    animation-delay: -2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

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

/* ===================================
   Section Styles
   =================================== */
.services,
.features,
.about,
.testimonials,
.contact {
    padding: var(--spacing-3xl) 0;
}

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

.section-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-50);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

[data-theme="dark"] .section-badge {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-400);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Services Section
   =================================== */
.service-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.category-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.service-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    animation: fadeIn 0.5s ease-out;
}

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

.service-card.hidden {
    display: none;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-icon.government {
    background: linear-gradient(135deg, var(--government), #1e40af);
}

.service-icon.banking {
    background: linear-gradient(135deg, var(--banking), #047857);
}

.service-icon.insurance {
    background: linear-gradient(135deg, var(--insurance), #b91c1c);
}

.service-icon.education {
    background: linear-gradient(135deg, var(--education), #6d28d9);
}

.service-icon.utility {
    background: linear-gradient(135deg, var(--utility), #c2410c);
}

.service-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-sm);
}

.service-features svg {
    width: 16px;
    height: 16px;
    color: var(--success);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* ===================================
   Features Section
   =================================== */
.features {
    background-color: var(--bg-secondary);
}

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

.feature-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    border-radius: var(--radius-xl);
    margin: 0 auto var(--spacing-lg);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.feature-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-secondary);
}

/* ===================================
   About Section
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
    height: 500px;
}

.about-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-2xl);
    z-index: 2;
}

.about-card svg {
    width: 60px;
    height: 60px;
    color: var(--primary-600);
}

.about-card h4 {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.about-card p {
    color: var(--text-secondary);
}

.about-shape {
    position: absolute;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-500));
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

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

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.about-feature svg {
    width: 24px;
    height: 24px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 4px;
}

.about-feature h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.about-feature p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background-color: var(--bg-secondary);
}

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

.testimonial-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.testimonial-rating svg {
    width: 20px;
    height: 20px;
    fill: #fbbf24;
    color: #fbbf24;
}

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

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    border-radius: 50%;
}

.author-avatar svg {
    width: 24px;
    height: 24px;
    color: white;
}

.testimonial-author h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ===================================
   Contact Section
   =================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

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

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.contact-item h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.contact-form-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group svg {
    position: absolute;
    left: var(--spacing-md);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transition: all var(--transition-fast);
}

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

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.footer-brand svg {
    width: 32px;
    height: 32px;
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: white;
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-links a:hover {
    color: var(--primary-400);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: white;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-600);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-400);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    color: white;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

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

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

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    text-decoration: none;
    font-weight: 600;
    animation: whatsappPulse 2s ease-in-out infinite;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.whatsapp-float:active {
    cursor: grabbing;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    pointer-events: none;
}

.whatsapp-text {
    font-size: var(--text-base);
    white-space: nowrap;
    pointer-events: none;
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 10px 35px rgba(37, 211, 102, 0.5);
    }
}

/* WhatsApp button responsive behavior */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 90px;
        left: var(--spacing-md);
        padding: var(--spacing-md);
        border-radius: 50%;
        width: 56px;
        height: 56px;
        justify-content: center;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-image {
        height: 400px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-2xl);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md);
    }

    .nav-actions {
        width: 100%;
        flex-direction: column;
    }

    .nav-actions .btn {
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .service-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 70px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-description {
        font-size: var(--text-base);
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: var(--text-base);
    }
}

/* ===================================
   Accessibility
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-600);
    outline-offset: 2px;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .header,
    .nav-toggle,
    .scroll-top,
    .hero-background {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}