/* ============================================
   EKRION - Next-Gen Website Styles
   Premium, Minimalistic, Futuristic Design
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-surface: #151515;
    --color-surface-light: #1a1a1a;
    --color-text: #e5e5e5;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #ffffff;
    --color-gradient-start: #ffffff;
    --color-gradient-end: #888888;
    --color-border: #2a2a2a;
    --color-hover: #ffffff;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.1);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

/* ===== 3D Background Canvas ===== */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-dot {
    margin-top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 1px;
    background: var(--color-accent);
    transition: transform var(--transition-base);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.btn-contact {
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 0.7rem 1.5rem !important;
}

.btn-contact::after {
    display: none;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-base);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-accent);
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-label-carousel {
    position: relative;
    height: 50px;
    margin-bottom: var(--spacing-md);
    margin-top: 10%;
    overflow: hidden;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    position: absolute;
    left: 50%;
    top: 0;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-50%) translateX(200px);
    transition: none;
}

.hero-label.active {
    animation: slideCarousel 4s ease-in-out;
}

@keyframes slideCarousel {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateX(200px);
    }
    8% {
        opacity: 1;
        transform: translateX(-50%) translateX(0px);
    }
    60% {
        opacity: 1;
        transform: translateX(-50%) translateX(0px);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateX(-200px);
    }
}

.hero-label-icon {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-gradient-start) 0%, var(--color-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-display);
    display: inline-block;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(20px); opacity: 0.3; }
}

/* ===== Section Styles ===== */
section {
    position: relative;
    padding: var(--spacing-2xl) 0;
    z-index: 10;
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    transform-style: preserve-3d;
    overflow: hidden;
}

.service-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-accent);
    stroke-width: 2;
}

.service-card:hover .service-icon {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1) rotateZ(5deg);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-features li {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.service-hover-effect {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.05), transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-card:hover .service-hover-effect {
    opacity: 1;
}

/* ===== Products Section ===== */
.products-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.product-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

.product-item:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.product-item:nth-child(even):hover {
    transform: translateX(-10px);
}

.product-image {
    position: relative;
    aspect-ratio: 16/10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg);
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.product-image-placeholder svg {
    width: 60%;
    height: 60%;
    opacity: 0.5;
}

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

.product-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.85rem;
    width: fit-content;
}

.product-tag:nth-of-type(2) {
    background: rgba(0, 255, 255, 0.1);
    border: 1.5px solid #00ffff;
    color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5), 
                inset 0 0 10px rgba(0, 255, 255, 0.1);
    animation: neon-glow 2s ease-in-out infinite;
}

@keyframes neon-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.5), 
                    inset 0 0 10px rgba(0, 255, 255, 0.1);
        text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.8), 
                    inset 0 0 15px rgba(0, 255, 255, 0.2);
        text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
    }
}

.product-name {
    font-size: 2rem;
}

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

.product-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.product-tech span {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    width: fit-content;
    transition: var(--transition-base);
}

.product-link svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: transform var(--transition-base);
}

.product-link:hover {
    gap: 1rem;
}

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

/* ===== Projects Section ===== */
.projects {
    background: var(--color-surface);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.project-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-visual {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-number {
    font-size: 8rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.project-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-display);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.project-link {
    font-weight: 600;
    transition: var(--transition-base);
    display: inline-block;
}

.project-link:hover {
    transform: translateX(5px);
}

/* ===== Testimonials Section ===== */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    font-size: 1.2rem;
    color: #ffd700;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.author-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ===== About Section ===== */
.about {
    background: var(--color-surface);
}

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

.about-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-item {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.value-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.value-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.value-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.about-stats-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.stat-visual-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.stat-visual-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.stat-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.stat-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
}

.stat-visual-item span {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===== Contact Section ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.contact-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

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

.contact-detail-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-detail-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.contact-detail-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-accent);
    stroke-width: 2;
    flex-shrink: 0;
}

.detail-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-weight: 600;
}

/* ===== Contact Form ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

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

.btn-submit {
    margin-top: var(--spacing-sm);
    width: 100%;
    justify-content: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

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

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: var(--transition-base);
}

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

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover svg {
    fill: var(--color-bg);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

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

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-accent);
    transform: translateX(5px);
    display: inline-block;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-tagline-small {
    color: var(--color-text-muted);
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-title {
        font-size: clamp(2.5rem, 6vw, 4.5rem);
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .product-item,
    .product-item:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-slider {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .service-card {
        padding: var(--spacing-md);
    }

    .project-metrics {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Scroll-triggered classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ===== Selection ===== */
::selection {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-accent);
}