/* ==================== VARIABLES ==================== */
:root {
    /* Primary Colors */
    --primary-blue: #0066FF;
    --primary-orange: #FF8C42;
    
    /* Light Mode Colors */
    --bg-primary-light: #ffffff;
    --bg-secondary-light: #f8f9fa;
    --text-primary-light: #1a1a1a;
    --text-secondary-light: #6c757d;
    --border-light: #e0e0e0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    
    /* Dark Mode Colors */
    --bg-primary-dark: #0f1419;
    --bg-secondary-dark: #1a1f2e;
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #a8b2c1;
    --border-dark: #2d3748;
    --shadow-dark: rgba(0, 0, 0, 0.3);
    
    /* Default (Light Mode) */
    --bg-primary: var(--bg-primary-light);
    --bg-secondary: var(--bg-secondary-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --border-color: var(--border-light);
    --shadow-color: var(--shadow-light);
    
    /* Typography */
    --font-primary: 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --border-color: var(--border-dark);
    --shadow-color: var(--shadow-dark);
}

/* ==================== RESET & BASE ==================== */
* {
    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: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

ul {
    list-style: none;
}

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

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

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

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

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-orange));
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.lead {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.highlight {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
}

.btn-email {
    background: var(--primary-blue);
    color: white;
}

.btn-email:hover {
    background: #0052cc;
    transform: translateY(-2px);
}

.btn-phone {
    background: var(--primary-orange);
    color: white;
}

.btn-phone:hover {
    background: #e67a2f;
    transform: translateY(-2px);
}

/* ==================== NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: 0 2px 10px var(--shadow-color);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

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

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

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

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

.nav-link {
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-orange));
    transition: width var(--transition-fast);
}

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

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--primary-blue);
    color: white;
    transform: rotate(20deg);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 24px;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 140, 66, 0.1) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 140, 66, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 2rem;
    color: var(--primary-blue);
}

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

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

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

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

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

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform var(--transition-fast);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
}

.stat-content h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-content p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-wrapper {
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.image-wrapper i {
    font-size: 8rem;
    color: white;
}

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

/* ==================== SERVICES SECTION ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow-color);
    border-color: var(--primary-blue);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: var(--radius-lg);
    color: white;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

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

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

/* ==================== PLATFORM SECTION ==================== */
.platform {
    background: var(--bg-secondary);
}

.platform-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

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

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.5rem;
}

.feature-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.platform-cta {
    text-align: center;
    padding-top: var(--spacing-md);
}

/* ==================== PARTNERS SECTION ==================== */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.partner-card {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 20px var(--shadow-color);
    text-align: center;
    transition: all var(--transition-normal);
    border: 3px solid transparent;
}

.partner-card:hover {
    transform: scale(1.05);
    border-color: var(--primary-blue);
}

.partner-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    color: white;
    font-size: 3rem;
    margin: 0 auto var(--spacing-md);
}

.partner-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.partner-card > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.partner-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-link {
    color: var(--primary-blue);
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

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

.contact-actions h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-buttons .btn {
    justify-content: center;
}

.social-links {
    margin-top: var(--spacing-md);
}

.social-links h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    transform: translateY(-5px) rotate(10deg);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 3px solid;
    border-image: linear-gradient(90deg, var(--primary-blue), var(--primary-orange)) 1;
}

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

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-style: italic;
    color: var(--primary-blue);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

.footer-bottom i {
    color: var(--primary-orange);
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.5);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 20px var(--shadow-color);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .services-grid,
    .platform-features {
        grid-template-columns: 1fr;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-buttons {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .scroll-top {
        width: 40px;
        height: 40px;
        bottom: 1rem;
        right: 1rem;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .navbar,
    .hero-scroll,
    .scroll-top,
    .theme-toggle,
    .contact-buttons,
    .social-icons {
        display: none !important;
    }
    
    .section {
        page-break-inside: avoid;
    }
}