/* ============================================
   ADESOFT - Professional Black & White Theme
   ============================================ */

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

:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-dark: #1a1a1a;
    --color-gray: #333333;
    --color-gray-light: #666666;
    --color-gray-lighter: #999999;
    --color-gray-lightest: #e5e5e5;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #333333 100%);
    --gradient-shine: linear-gradient(135deg, #FFFFFF 0%, #e5e5e5 100%);
    --gradient-text: linear-gradient(135deg, #FFFFFF 0%, #999999 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    --shadow-white: 0 0 30px rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    background: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Shine Overlay Effect */
.shine-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    animation: shine-pulse 8s ease-in-out infinite;
}

@keyframes shine-pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-base);
}

.header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-white), transparent);
    opacity: 0.2;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo-container {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: var(--gradient-shine);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--shadow-white);
}

.logo-tagline {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-gray-lighter);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    color: var(--color-gray-lightest);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-white);
    transition: width var(--transition-base);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-base);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: hero-float 20s ease-in-out infinite;
}

@keyframes hero-float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    animation: fade-in-up 1s ease-out;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fade-in 1s ease-out 0.3s both;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    animation: fade-in 1s ease-out 0.5s both;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.gradient-text {
    display: block;
    background: var(--gradient-shine);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-lightest);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 700px;
    animation: fade-in 1s ease-out 0.7s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    animation: fade-in 1s ease-out 0.9s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 0;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fade-in 1s ease-out 1.1s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-shine);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray-lighter);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Products Section */
.products {
    background: var(--color-gray-dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--color-black);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    background: var(--color-gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
    padding: 2rem;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background: var(--color-white);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.product-info {
    padding: 2rem;
}

.product-category {
    font-size: 0.85rem;
    color: var(--color-gray-lighter);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-white);
}

.product-description {
    color: var(--color-gray-lightest);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.product-specs-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.spec-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    color: var(--color-gray-lightest);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.product-price {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-white);
}

.product-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-action svg {
    transition: transform var(--transition-base);
}

.product-card:hover .product-action svg {
    transform: translateX(5px);
}

/* Services Section */
.services {
    background: var(--color-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 3rem 2rem;
    background: var(--color-gray-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    background: var(--color-black);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    margin-bottom: 2rem;
    color: var(--color-white);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.service-description {
    color: var(--color-gray-lightest);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: var(--color-gray-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.contact-item p {
    color: var(--color-gray-lightest);
    line-height: 1.8;
}

/* Contact Form */
.contact-form-container {
    background: var(--color-black);
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-lightest);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--color-gray-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-white);
    background: var(--color-black);
}

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

/* Footer */
.footer {
    background: var(--color-black);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--color-gray-lightest);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--color-gray-lighter);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-credits a {
    text-decoration: none;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-black);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    z-index: 2;
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 3;
}

.modal-close:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.modal-body {
    padding: 4rem 3rem;
}

.modal-header {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
}

.modal-image {
    flex: 0 0 400px;
    height: 400px;
    background: var(--color-gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
}

.modal-header-info {
    flex: 1;
}

.modal-category {
    font-size: 0.9rem;
    color: var(--color-gray-lighter);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.modal-description {
    color: var(--color-gray-lightest);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.modal-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 2rem;
}

.modal-specs {
    margin-top: 3rem;
}

.specs-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.spec-group h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spec-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.spec-group li {
    color: var(--color-gray-lightest);
    padding-left: 1.5rem;
    position: relative;
}

.spec-group li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--color-white);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-header {
        flex-direction: column;
    }
    
    .modal-image {
        flex: 0 0 auto;
        width: 100%;
        height: 400px;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 85px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .modal-body {
        padding: 3rem 2rem;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-in {
    animation: slide-in-left 0.6s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border: 2px solid var(--color-black);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-light);
}