/* -------------------------------------------------------------
 * Dzega SIA - Global Stylesheet
 * Premium modern design system
 * ------------------------------------------------------------- */

/* Design Tokens & Variables */
:root {
    --primary-color: #0f172a;        /* slate-900 */
    --primary-light: #1e293b;        /* slate-800 */
    --accent-color: #f97316;         /* amber/orange-500 */
    --accent-hover: #ea580c;         /* orange-600 */
    --accent-glow: rgba(249, 115, 22, 0.15);
    
    --bg-light: #f8fafc;             /* slate-50 */
    --bg-white: #ffffff;
    --text-color: #475569;           /* slate-600 */
    --text-dark: #0f172a;            /* slate-900 */
    --text-muted: #94a3b8;           /* slate-400 */
    
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-display: 'Outfit', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 30px -5px rgba(15, 23, 42, 0.12);
    --shadow-accent: 0 10px 20px -5px rgba(249, 115, 22, 0.3);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --header-height: 80px;
    --container-width: 1200px;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.25;
}

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Global Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--accent-color), #fdba74);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--accent-glow);
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 20px;
}

/* Section Header */
.section-header {
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-subtitle {
    font-family: var(--font-family-sans);
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 0 auto 20px auto;
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -5px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
    background-color: transparent;
    color: var(--bg-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--bg-white);
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-spinner {
    display: none;
    margin-left: 10px;
}

.btn.loading .btn-text {
    opacity: 0.7;
}

.btn.loading .btn-spinner {
    display: inline-block;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: 70px;
}

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

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

.scrolled .logo-img {
    height: 84px;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 50px;
    background-color: rgba(255, 255, 255, 0.05);
}

.lang-switch:hover {
    color: var(--bg-white);
    border-color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--bg-white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--primary-color);
    z-index: 999;
    padding: 120px 40px 40px 40px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.25);
    transition: right 0.4s cubic-bezier(0.1, 0.9, 0.2, 1);
}

.mobile-nav-drawer.open {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    font-weight: 600;
    display: block;
}

.mobile-nav-link:hover {
    color: var(--accent-color);
}

.lang-switch-mobile {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 10px;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 650px;
    background-color: var(--primary-color);
    background-image: url('https://images.unsplash.com/photo-1620641788421-7a1c342ea42e?q=80&w=1974&auto=format&fit=crop'); /* Modern abstract construction / architecture */
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--bg-white);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.95) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 680px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Mouse Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    transition: var(--transition-normal);
}

.mouse:hover {
    border-color: var(--accent-color);
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 2px;
    animation: scroll-wheel 1.6s infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* About Us Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.lead-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
    border-top: 1px solid #e2e8f0;
    padding-top: 30px;
}

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

.stat-number {
    font-family: var(--font-family-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-color);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-card {
    display: flex;
    gap: 20px;
    background-color: var(--bg-white);
    padding: 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid #f1f5f9;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(249, 115, 22, 0.1);
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--accent-glow);
    color: var(--accent-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.feature-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 0;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.product-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid #f1f5f9;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(249, 115, 22, 0.2);
}

.product-icon {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.product-description {
    font-size: 0.98rem;
    margin-bottom: 30px;
    flex-grow: 1;
}

.product-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--accent-color);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
}

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

.product-link:hover {
    color: var(--accent-hover);
}

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

/* Contact Section */
.contacts-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
}

.contact-info-wrapper {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 48px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.contact-info-wrapper::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background-color: rgba(249, 115, 22, 0.1);
    border-radius: 50%;
}

.contact-subtitle {
    color: var(--bg-white);
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.contact-intro {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 48px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.1rem;
    flex-shrink: 0;
}

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

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 4px;
}

.contact-val {
    font-weight: 500;
    font-size: 1.05rem;
}

.contact-val a:hover {
    color: var(--accent-color);
}

.company-details {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
}

.details-title {
    color: var(--bg-white);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.company-details p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 6px;
}

/* Glassmorphism Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 48px;
    border: 1px solid #f1f5f9;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    padding: 14px 18px;
    border: 1px solid #cbd5e1;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-sans);
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition-fast);
    background-color: #f8fafc;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Form Status Alerts */
.form-status {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 14px;
    border-radius: var(--border-radius-sm);
    display: none;
}

.form-status.success {
    display: block;
    background-color: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.form-status.error {
    display: block;
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* Footer */
.main-footer {
    background-color: var(--primary-color);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-logo {
    height: 96px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-title {
    color: var(--bg-white);
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-list a:hover {
    color: var(--bg-white);
    padding-left: 4px;
}

.footer-contacts p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.footer-contacts p i {
    color: var(--accent-color);
    margin-right: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 30px 0;
    font-size: 0.88rem;
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.visible {
    opacity: 1;
    transform: translate(0) !important;
}

/* Delay modifiers for stagger effects */
.fade-in-up-delay-1 {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) 0.1s, transform var(--transition-slow) 0.1s;
}
.fade-in-up-delay-2 {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) 0.2s, transform var(--transition-slow) 0.2s;
}
.fade-in-up-delay-3 {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) 0.3s, transform var(--transition-slow) 0.3s;
}
.fade-in-up-delay-4 {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow) 0.4s, transform var(--transition-slow) 0.4s;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .hero-description {
        font-size: 1.05rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        padding: 30px;
    }
    
    .contact-info-wrapper {
        padding: 30px;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
}