:root{--color-dark: #0A0A20;--color-light: #F8F9FA;--color-accent: #00FFC2;--color-text-white: #FFFFFF;--color-text-light-grey: #E0E0E0;--color-text-grey: #B0B0B0;--color-text-dark-grey: #777777;--color-text-black: #000000;--gradient-accent: linear-gradient(to right, #FFFFFF, #1DE9B6);--space-xs: .5rem;--space-sm: 1rem;--space-md: 2rem;--space-lg: 4rem;--space-xl: 6rem;--font-size-large: 2.5rem;--font-size-medium: 1.5rem;--font-size-small: 1rem;--border-radius: 8px;--transition-speed: .3s;--container-width: 1200px;--container-padding: 1rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;font-weight:400;font-size:var(--font-size-small);line-height:1.6;color:var(--color-text-dark-grey);background-color:var(--color-light);overflow-x:hidden}h1,h2,h3{font-weight:600;line-height:1.2;margin-bottom:var(--space-md)}h1{font-size:var(--font-size-large);color:var(--color-text-white)}h2{font-size:var(--font-size-large);color:var(--color-text-black)}h3{font-size:var(--font-size-medium);font-weight:600;margin-bottom:var(--space-sm)}p,li,label,input,textarea,.btn,.section-intro,.feature-list,.info-item-content p,.copyright,ul,ol{font-size:var(--font-size-small)}a{color:inherit;text-decoration:none;transition:color var(--transition-speed) ease}a:hover{color:var(--color-accent)}img{max-width:100%;height:auto}.container{width:90%;max-width:var(--container-width);margin:0 auto;padding:0 var(--container-padding)}.dark-section{background-color:var(--color-dark);color:var(--color-text-light-grey)}.dark-section h2{color:var(--color-text-white)}.light-section{background-color:var(--color-light);color:var(--color-text-dark-grey)}.gradient-text{background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-40px;left:0;padding:8px;z-index:1001;background:var(--color-dark);color:var(--color-text-white);transition:top var(--transition-speed) ease}.skip-link:focus{top:0}.section-intro{font-size:1.25rem;margin-bottom:var(--space-lg);color:var(--color-text-light-grey)}.button-group{display:flex;gap:var(--space-sm);flex-wrap:wrap}.btn{display:inline-block;padding:.8rem 2rem;border-radius:var(--border-radius);font-weight:600;text-align:center;cursor:pointer;transition:all var(--transition-speed) ease;border:none}.btn-primary{background:var(--gradient-accent);color:var(--color-dark);border:none}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 20px #00ffc233}.btn-secondary{background:transparent;color:var(--color-accent);border:1px solid var(--color-accent)}.btn-secondary:hover{background-color:var(--color-accent);color:var(--color-dark);transform:translateY(-3px)}.site-header{position:fixed;width:100%;padding:0;background:var(--color-dark);box-shadow:none;z-index:100;overflow:visible;min-height:0}.site-header .container{display:flex;justify-content:space-between;align-items:center;padding:0;min-height:0;height:auto}.logo{display:flex;align-items:center;gap:.75rem;padding:.25rem 0}.logo img{height:72px;width:auto;transition:transform .2s;margin-top:.5rem}.logo img:hover{transform:scale(1.08) rotate(-4deg);filter:drop-shadow(0 2px 8px rgba(0,255,194,.15))}.logo-text{font-size:2.5rem;font-weight:700;background:var(--gradient-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-left:.1rem}nav ul{display:flex;list-style:none;gap:var(--space-md)}nav ul li a{color:var(--color-text-light-grey);transition:color var(--transition-speed) ease}nav ul li a:hover{color:var(--color-accent)}.menu-toggle{display:none;background:none;border:none;cursor:pointer}.hamburger{display:block;position:relative;width:24px;height:2px;background:var(--color-text-white)}.hamburger:before,.hamburger:after{content:"";position:absolute;width:24px;height:2px;background:var(--color-text-white);transition:all var(--transition-speed) ease}.hamburger:before{top:-8px}.hamburger:after{bottom:-8px}.hero{padding:calc(var(--space-xl) + 60px) 0 var(--space-xl);display:flex;align-items:center;position:relative}.hero .subtitle{font-size:1.25rem;max-width:600px;margin-bottom:var(--space-md);color:var(--color-text-light-grey)}.service-selector{margin-top:calc(-1 * var(--space-lg));position:relative;z-index:10;padding-bottom:var(--space-lg)}.tabs{display:grid;grid-template-columns:repeat(3,1fr);background:var(--color-dark);border-radius:var(--border-radius);box-shadow:0 5px 20px #0000001a;overflow:hidden}.tab-btn{padding:var(--space-md);text-align:center;cursor:pointer;font-weight:600;background:none;border:none;border-bottom:3px solid transparent;transition:all var(--transition-speed) ease;font-size:var(--font-size-medium);color:var(--color-text-white);letter-spacing:.01em}.tab-btn.active{border-bottom-color:var(--color-accent);color:var(--color-accent);background:#00ffc20d}.tab-btn:hover:not(.active){background:#ffffff0d;color:var(--color-accent)}.tab-content{display:none;padding:var(--space-xl) var(--space-lg);background:#fff;border-radius:var(--border-radius);box-shadow:0 5px 20px #00000012;margin-top:.5rem}.tab-content.active{display:grid;animation:fadeIn .5s ease;grid-template-columns:1fr 2fr;align-items:center;gap:var(--space-xl)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tab-image{display:flex;align-items:center;justify-content:center}.tab-image img{max-width:550px;width:100%;height:auto;border-radius:var(--border-radius);box-shadow:0 2px 12px #0000000f;background:#f8f9fa;padding:1.5rem}.tab-info{display:flex;flex-direction:column;justify-content:center}section{padding:var(--space-lg) 0}.about{padding-top:calc(var(--space-xl) + var(--space-lg))}.content-wrapper{max-width:800px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md);margin-top:var(--space-lg)}.product-item{background:#ffffff0d;border-radius:var(--border-radius);padding:var(--space-lg);transition:all var(--transition-speed) ease;text-align:center}.product-item h3{font-size:var(--font-size-medium);margin-bottom:var(--space-md);color:var(--color-accent)}.product-item:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0000001a;background:#ffffff1a}.product-item .feature-list{text-align:left}.features-showcase{display:grid;grid-gap:var(--space-xl);margin-top:var(--space-lg)}.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:center;position:relative}.feature-block.reverse{grid-template-areas:"content image"}.feature-block:not(.reverse){grid-template-areas:"image content"}.feature-image{grid-area:image;position:relative;border-radius:var(--border-radius);overflow:hidden;background:transparent;box-shadow:none;transition:all var(--transition-speed) ease}.feature-image:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,#00ffc21a,#1de9b61a);z-index:1;opacity:0;transition:opacity var(--transition-speed) ease}.feature-image:hover:before{opacity:1}.feature-image img{width:100%;height:100%;object-fit:cover;border-radius:var(--border-radius);transition:transform var(--transition-speed) ease;filter:brightness(.95) contrast(1.1)}.feature-image:hover img{transform:scale(1.02)}.feature-info{grid-area:content;padding:var(--space-md)}.feature-info h3{font-size:var(--font-size-medium);margin-bottom:var(--space-md);color:var(--color-text-black);position:relative;display:inline-block}.feature-info h3:after{content:"";position:absolute;bottom:-8px;left:0;width:40px;height:3px;background:var(--color-accent);transition:width var(--transition-speed) ease}.feature-info:hover h3:after{width:100%}.feature-info p{color:var(--color-text-dark-grey);margin-bottom:var(--space-md);line-height:1.7}.feature-list{list-style-type:none;padding:0}.feature-list li{position:relative;padding-left:1.5rem;margin-bottom:var(--space-sm);color:var(--color-text-dark-grey);transition:transform var(--transition-speed) ease}.feature-list li:before{content:"→";position:absolute;left:0;color:var(--color-accent);transition:transform var(--transition-speed) ease}.feature-list li:hover{transform:translate(5px)}.feature-list li:hover:before{transform:translate(3px)}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.faq-item{background:#ffffff0d;border-radius:var(--border-radius);padding:var(--space-md);box-shadow:0 5px 15px #0000000d}.contact-section{background:var(--color-light);padding:var(--space-xl) 0}.contact-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);margin-top:var(--space-lg);background:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:0 5px 20px #0000001a}.contact-info{background:var(--color-dark);padding:var(--space-xl);color:var(--color-text-white)}.contact-info h3{color:var(--color-text-white);font-size:var(--font-size-medium);margin-bottom:var(--space-lg)}.contact-info p{color:var(--color-text-light-grey);margin-bottom:var(--space-lg)}.info-item{display:flex;align-items:flex-start;gap:var(--space-md);margin-bottom:var(--space-lg)}.info-item svg{width:24px;height:24px;color:var(--color-accent);flex-shrink:0}.info-item-content h4{color:var(--color-text-white);margin-bottom:var(--space-xs);font-size:var(--font-size-small)}.info-item-content p{color:var(--color-text-light-grey);margin-bottom:0}.contact-form{padding:var(--space-xl)}.contact-form h3{color:var(--color-text-black);font-size:var(--font-size-medium);margin-bottom:var(--space-lg)}.form-group{margin-bottom:var(--space-md)}.form-group label{display:block;margin-bottom:var(--space-xs);color:var(--color-text-dark-grey);font-weight:500}.form-group input,.form-group textarea{width:100%;padding:var(--space-sm);border:1px solid #e2e8f0;border-radius:var(--border-radius);font-family:inherit;transition:all var(--transition-speed) ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px #00ffc21a}.form-group textarea{height:150px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.site-footer{padding:var(--space-lg) 0 var(--space-md)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-lg)}.footer-col h3{color:var(--color-text-white);margin-bottom:var(--space-md)}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col ul li{margin-bottom:var(--space-xs)}.footer-col ul li a{color:var(--color-text-light-grey);transition:color var(--transition-speed) ease}.footer-col ul li a:hover{color:var(--color-accent)}.social-icons{display:flex;gap:var(--space-sm)}.social-icons a{color:var(--color-accent);transition:transform var(--transition-speed) ease}.social-icons a:hover{transform:translateY(-3px)}.copyright{text-align:center;color:var(--color-text-grey);font-size:.9rem}.masa-marka-header-horizontal{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:1rem;margin-bottom:var(--space-lg)}.masa-marka-logo{height:120px;width:auto;margin-bottom:0}.masa-marka-title{margin:0;font-size:var(--font-size-large);color:var(--color-text-white);font-weight:600}.arinsol-header-logo{height:72px;width:auto;margin-right:.75rem;display:inline-block;vertical-align:middle;margin-top:0;margin-bottom:0}@media (max-width: 992px){:root{--font-size-large: 2rem;--font-size-medium: 1.2rem}.product-grid,.faq-grid,.tabs{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){:root{--font-size-large: 1.5rem;--space-lg: 3rem;--space-xl: 4rem}.feature-block,.feature-block.reverse{grid-template-columns:1fr;grid-template-areas:"image" "content";gap:var(--space-md)}.feature-image{max-height:300px}.feature-info{padding:var(--space-sm) 0}.menu-toggle{display:block;z-index:101}nav ul{position:fixed;top:0;right:-100%;width:80%;height:100vh;background:var(--color-light);flex-direction:column;align-items:center;padding:80px var(--space-md) var(--space-md);transition:right var(--transition-speed) ease;z-index:100;box-shadow:-5px 0 15px #0000001a}nav ul.active{right:0}.footer-grid{grid-template-columns:1fr;gap:var(--space-lg)}.contact-container,.form-row{grid-template-columns:1fr}.tab-content.active{grid-template-columns:1fr;padding:var(--space-lg) var(--space-md)}.tab-image img{max-width:400px;padding:1rem}}