/* ===== MAIN STYLES ===== */

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

:root {
    /* Colors */
    --primary-color: #3b82f6;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Grays */
    --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;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-base: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: #ffffff;
    overflow-x: hidden;
    /* Offset for fixed header height */
    padding-top: 90px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-5xl);
    }
    
    h2 {
        font-size: var(--font-size-4xl);
    }
    
    h3 {
        font-size: var(--font-size-3xl);
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: var(--font-size-6xl);
    }
}

p {
    margin-bottom: var(--spacing-4);
}

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

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--primary-dark);
    color: white;
    border-color: var(--primary-dark);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #1e3a8a;
    border-color: #1e3a8a;
    color: white;
}

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

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

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

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

.btn-small {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

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

.navbar {
    padding: var(--spacing-6) 0;
}

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

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    text-decoration: none;
}

.nav-brand .logo i {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
}

.nav-brand .logo .logo-image {
    height: 50px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.nav-menu {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    list-style: none;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: var(--radius-full);
}

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

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .nav-menu {
        display: block;
    }
    
    .nav-toggle {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-20)) 0 var(--spacing-24);
    background: linear-gradient(135deg, var(--gray-50) 0%, #ffffff 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    gap: var(--spacing-12);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

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

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

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

.hero-stats {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

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

/* Hero Visual */
.hero-image {
    display: none;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-visual {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-main-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}



.floating-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary-color);
}

.card-1 {
    position: absolute;
    top: 15%;
    left: -10%;
    animation-delay: 0s;
    z-index: 2;
}

.card-2 {
    position: absolute;
    top: 25%;
    right: -15%;
    animation-delay: 2s;
    z-index: 2;
}

.card-3 {
    position: absolute;
    bottom: 15%;
    left: 10%;
    animation-delay: 4s;
    z-index: 2;
}

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

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }
    
    .hero-image {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

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

/* About Section */
.about-section {
    padding: var(--spacing-24) 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
}

.feature-title {
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-xl);
}

.feature-description {
    color: var(--gray-600);
    margin-bottom: 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
    align-items: stretch;
}

.services-grid .service-card {
    width: 100%;
    height: 100%;
}

/* Categories Section */
.categories-section {
    padding: var(--spacing-24) 0;
    background-color: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

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

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.category-card:hover::before {
    left: 100%;
}

.category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    background: var(--primary-color);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
}

.category-title {
    margin-bottom: var(--spacing-3);
}

.category-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.category-link:hover {
    color: var(--primary-dark);
}

.category-link i {
    transition: transform var(--transition-fast);
}

.category-link:hover i {
    transform: translateX(4px);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta-title {
    color: white;
    margin-bottom: var(--spacing-4);
}

.cta-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

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

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

.cta-section .btn-primary:hover {
    background-color: var(--gray-100);
    color: var(--primary-dark);
}

.cta-section .btn-outline {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    text-decoration: none;
    margin-bottom: var(--spacing-4);
}

.footer-logo i {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
}

.footer-logo .footer-logo-image {
    height: 32px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}

.footer-description {
    margin-bottom: var(--spacing-6);
    line-height: 1.6;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer-title {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

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

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-8);
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
    text-align: center;
}

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

.footer-bottom-links a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Utility Classes */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12);
    color: var(--gray-500);
}

.loading-spinner i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
}

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

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

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

.hidden {
    display: none;
}

.visible {
    display: block;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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