:root {
    --primary: #1e3a5f;
    --primary-dark: #152a45;
    --secondary: #334155;
    --accent: #0ea5e9;
    --accent-dark: #0284c7;
    --success: #10b981;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f0f9ff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-tag {
    display: inline-block;
    background: var(--bg-accent);
    color: var(--accent-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--primary);
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

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

section {
    padding: 5rem 0;
}

/* Header */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #0f172a 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 2rem;
    color: var(--text-light);
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.btn-primary, .btn-secondary {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
    border: none;
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-light);
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

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

.hero-scroll a {
    color: var(--text-light);
    opacity: 0.7;
    font-size: 1.5rem;
}

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

/* About Section */
.about-section {
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.vision-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
}

.vision, .mission {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent);
}

.vision-header, .mission-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.vision i, .mission i {
    color: var(--accent);
}

.vision p, .mission p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--text-light);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.about-icon i {
    font-size: 2rem;
}

.about-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.35rem;
}

.about-card p {
    opacity: 0.9;
    font-size: 1rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--success);
}

/* Services Section */
.services-section {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.service-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}

.service-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: var(--text-light);
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    flex-grow: 1;
}

.service-features {
    margin-bottom: 1.25rem;
}

.service-features li {
    padding: 0.4rem 0;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features i {
    color: var(--success);
    font-size: 0.8rem;
}

.service-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.service-link:hover {
    gap: 0.75rem;
}

/* Clients Section */
.clients-section {
    background: var(--bg-primary);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.client-logo {
    background: var(--bg-secondary);
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius);
    text-align: center;
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.client-logo i {
    font-size: 1.25rem;
    color: var(--accent);
}

.client-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-icon i {
    font-size: 1.1rem;
    color: var(--accent);
}

.contact-item h4 {
    color: var(--primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.whatsapp-numbers {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.whatsapp-numbers a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.whatsapp-numbers a:hover {
    color: #25D366;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--text-light);
    padding: 4rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 0 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 36px;
}

.footer-logo span {
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-section h4 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-section ul li {
    margin-bottom: 0.65rem;
}

.footer-section ul li a {
    color: var(--text-light);
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    opacity: 1;
    padding-left: 5px;
    color: var(--accent);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--accent);
    width: 16px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.875rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.floating-whatsapp-main {
    width: 56px;
    height: 56px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    position: relative;
}

.floating-whatsapp-main:hover {
    transform: scale(1.1);
}

.floating-whatsapp-dropdown {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 8px 0;
    min-width: 220px;
    display: none;
    border: 1px solid var(--border);
}

.floating-whatsapp-dropdown.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.floating-whatsapp-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.floating-whatsapp-item:hover {
    background: var(--bg-secondary);
}

.floating-whatsapp-item i {
    color: #25D366;
    margin-right: 10px;
    width: 20px;
}

.floating-whatsapp-item span {
    display: flex;
    flex-direction: column;
}

.floating-whatsapp-item strong {
    font-size: 0.85rem;
    color: var(--primary);
}

.floating-whatsapp-item small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Install Button */
.install-pwa {
    position: fixed;
    bottom: 90px;
    right: 24px;
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: none;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.install-pwa:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.5rem; }
    
    .about-content,
    .contact-content { grid-template-columns: 1fr; }
    
    .vision-mission { grid-template-columns: 1fr; }
    
    .about-features { grid-template-columns: 1fr; }
    
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 1.5rem 0;
    }
    
    .nav-menu.active { left: 0; }
    
    .nav-menu li { margin: 0.75rem 0; }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    
    .hero-buttons { flex-direction: column; }
    
    .hero h1 { font-size: 1.85rem; }
    
    .hero-stats { gap: 1.5rem; }
    
    .services-grid { grid-template-columns: 1fr; }
    
    .form-row { grid-template-columns: 1fr; }
    
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    
    section { padding: 3.5rem 0; }
    
    .section-header h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
    .navbar { padding: 0.875rem 1rem; }
    
    .logo-text { display: none; }
    
    .hero h1 { font-size: 1.6rem; }
    
    .hero p { font-size: 1rem; }
    
    .stat-number { font-size: 1.5rem; }
    
    .about-card { padding: 1.75rem; }
    
    .contact-form { padding: 1.5rem; }
}