:root{--color-primary:#f37021;--color-secondary:#1a1a1a;--color-accent:#f37021;--color-gray:#6d6e71;--color-text:#1a1a1a;--color-text-light:#4a4a4a;--color-white:#fff;--color-background:#fff;--brand-green:#008443;--font-main:"Be Vietnam Pro", system-ui, -apple-system, sans-serif;--font-heading:"Be Vietnam Pro", system-ui, -apple-system, sans-serif;--spacing-xs:.5rem;--spacing-sm:1rem;--spacing-md:2rem;--spacing-lg:4rem;--spacing-xl:8rem;--container-max-width:1200px;--header-height:80px;--transition-fast:.2s ease;--transition-normal:.3s ease}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 5px)}body{font-family:var(--font-main);color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;font-weight:200;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-primary);font-weight:700;line-height:1.2}a{color:inherit;transition:var(--transition-fast);text-decoration:none}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:var(--container-max-width);padding:0 var(--spacing-sm);margin:0 auto}.section-padding{padding:var(--spacing-lg) 0}@media (width<=768px){:root{--spacing-lg:3rem;--spacing-xl:5rem}}.header{height:var(--header-height);background-color:var(--color-white);z-index:1000;align-items:center;width:100%;display:flex;position:fixed;top:0;left:0;box-shadow:0 2px 10px #0000000d}.header-container{justify-content:space-between;align-items:center;width:100%;display:flex}.logo a{align-items:center;gap:10px;display:flex}.logo-img{object-fit:contain;width:auto;height:50px}.logo-text{color:#ff5c00;letter-spacing:-.5px;white-space:nowrap;font-size:1.25rem;font-weight:700}.nav-list{gap:var(--spacing-md);display:flex}.nav-link{color:var(--color-text-light);font-size:.95rem;font-weight:500}.nav-link:hover{color:var(--color-accent)}@media (width<=768px){.nav{display:none}.logo-text{font-size:1.1rem}}.footer{padding:var(--spacing-md) 0;color:var(--color-white);background-color:#111;border-top:1px solid #ffffff1a}.footer-content{justify-content:space-between;align-items:center;display:flex}.footer-logo{color:var(--color-accent);font-size:1.25rem}.footer-copyright{opacity:.6;font-size:.9rem}@media (width<=768px){.footer-content{gap:var(--spacing-sm);text-align:center;flex-direction:column}}.hero{width:100%;height:100vh;color:var(--color-white);padding-top:var(--header-height);align-items:center;display:flex;position:relative;overflow:hidden}.hero-slide{opacity:0;z-index:0;background-position:50%;background-size:cover;width:100%;height:100%;transition:opacity 1.5s ease-in-out;position:absolute;top:0;left:0}.hero-slide.active{opacity:1}.hero-overlay{z-index:1;background:#0006;width:100%;height:100%;position:absolute;top:0;left:0}.hero-container{z-index:2;width:100%;position:relative}.hero-content{max-width:700px}.hero-title{color:var(--color-white);margin-bottom:var(--spacing-sm);text-shadow:0 2px 4px #0000004d;font-size:3.5rem;line-height:1.1}.hero-subtitle{margin-bottom:var(--spacing-md);opacity:.9;text-shadow:0 1px 2px #0000004d;font-size:1.25rem;font-weight:400}.hero-cta{background-color:var(--color-accent);color:var(--color-white);text-transform:uppercase;letter-spacing:1px;border-radius:4px;padding:1rem 2.5rem;font-size:.9rem;font-weight:600;display:inline-block}.hero-cta:hover{background-color:#b39374;transform:translateY(-2px);box-shadow:0 4px 15px #0003}@media (width<=768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}}.about-container{gap:var(--spacing-lg);margin-bottom:var(--spacing-xl);grid-template-columns:1fr 1fr;align-items:center;display:grid}.about-image img{border-radius:8px;width:100%;height:auto;box-shadow:0 20px 40px #0000001a}.section-title{margin-bottom:var(--spacing-sm);padding-bottom:var(--spacing-xs);color:var(--color-primary);font-size:2.5rem;position:relative}.section-title:after{content:"";background-color:var(--color-secondary);width:120px;height:3px;position:absolute;bottom:0;left:0}.about-description{color:var(--color-text);margin-bottom:var(--spacing-md);text-align:justify;font-size:1.1rem;line-height:1.6}.about-services{margin-bottom:var(--spacing-md);padding:var(--spacing-sm);border-left:2px solid var(--color-secondary);background-color:#fcfcfc;border-radius:4px}.about-services h3{margin-bottom:var(--spacing-xs);color:var(--color-primary);font-size:1.25rem;font-weight:700}.about-services ul{padding:0;list-style:none}.about-services li{color:var(--color-text);padding:6px 0 6px 25px;font-weight:500;position:relative}.about-services li:before{content:"●";color:var(--color-primary);font-size:.8rem;position:absolute;left:0}.about-stats{gap:var(--spacing-lg);margin-top:var(--spacing-md);display:flex}.stat-item{flex-direction:column;display:flex}.stat-value{color:var(--color-primary);font-size:2.2rem;font-weight:800}.stat-label{color:var(--color-gray);text-transform:uppercase;letter-spacing:1px;font-size:.85rem;font-weight:600}.about-values{padding-top:var(--spacing-lg);margin-top:var(--spacing-lg);border-top:1px solid #eee}.values-grid{gap:var(--spacing-md);grid-template-columns:repeat(3,1fr);display:grid}.value-card{padding:var(--spacing-md);background-color:#fff;border:1px solid #f0f0f0;border-radius:8px;transition:all .3s}.value-card:hover{border-color:var(--color-primary);transform:translateY(-5px);box-shadow:0 10px 30px #f370211a}.value-card h4{color:var(--color-primary);margin-bottom:var(--spacing-xs);font-size:1.2rem;font-weight:700}.value-card p{color:var(--color-text-light);text-align:justify;font-size:1rem;line-height:1.5}@media (width<=992px){.values-grid{grid-template-columns:1fr}}@media (width<=768px){.about-container{gap:var(--spacing-md);grid-template-columns:1fr}.about-content{order:-1}.about-stats{justify-content:space-between;gap:var(--spacing-sm)}.section-title{font-size:2rem}}.portfolio{background-color:var(--color-white)}.portfolio-header{text-align:center;margin-bottom:var(--spacing-lg)}.portfolio-header .section-title{display:inline-block}.portfolio-header .section-title:after{content:"";background-color:var(--color-secondary);width:120px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.section-subtitle{color:var(--color-text-light);margin-top:var(--spacing-sm)}.portfolio-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.portfolio-item{background-color:var(--color-white);border-radius:8px;position:relative;overflow:hidden;box-shadow:0 4px 15px #0000000d}.portfolio-media{aspect-ratio:16/9;position:relative;overflow:hidden}.portfolio-img,.portfolio-video{object-fit:cover;width:100%;height:100%;transition:var(--transition-normal);display:block}.portfolio-video{cursor:pointer}.portfolio-overlay{width:100%;padding:var(--spacing-md);color:var(--color-white);opacity:0;transition:var(--transition-normal);pointer-events:none;background:linear-gradient(#0000,#000c);position:absolute;bottom:0;left:0;transform:translateY(10px)}.portfolio-item:hover .portfolio-overlay{opacity:1;transform:translateY(0)}.portfolio-item:hover .portfolio-img{transform:scale(1.05)}.portfolio-category{text-transform:uppercase;letter-spacing:1px;color:var(--color-accent);margin-bottom:4px;font-size:.8rem;display:block}.portfolio-title{color:var(--color-white);font-size:1.1rem}@media (width<=768px){.portfolio-overlay{opacity:1;transform:translateY(0)}}.section-title.centered{text-align:center;margin-bottom:var(--spacing-lg);display:block}.section-title.centered:after{content:"";background-color:var(--color-secondary);width:120px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.reviews-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.review-card{background-color:var(--color-white);padding:var(--spacing-md);border-top:4px solid var(--color-accent);border-radius:8px;box-shadow:0 10px 30px #0000000d}.review-rating{color:#ffc107;margin-bottom:var(--spacing-sm);font-size:1.2rem}.review-comment{color:var(--color-text-light);margin-bottom:var(--spacing-md);font-size:1rem;font-style:italic;line-height:1.8}.review-author{flex-direction:column;display:flex}.author-name{color:var(--color-primary);font-size:1.1rem;font-weight:700}.author-role{color:var(--color-accent);font-size:.85rem}.contact{color:var(--color-white);background-color:#1a1a1a}.contact .section-title{color:var(--color-primary);position:relative}.contact .section-title:after{display:none}.contact-container{gap:var(--spacing-lg);grid-template-columns:1fr 1.2fr;align-items:start;display:grid}.info-items{margin-top:var(--spacing-md)}.info-item{margin-bottom:var(--spacing-sm);color:#e0e0e0;font-size:1.1rem}.info-item.highlight{color:var(--color-primary);font-weight:700}.contact-map{margin-top:var(--spacing-md);border-radius:8px;overflow:hidden;box-shadow:0 10px 30px #0000004d}.contact-form{gap:var(--spacing-sm);flex-direction:column;display:flex}.form-row{gap:var(--spacing-sm);grid-template-columns:1fr 1fr;display:grid}.form-input,.form-textarea{color:var(--color-white);font-family:var(--font-main);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:4px;width:100%;padding:1rem;font-size:1rem}.form-input:focus,.form-textarea:focus{border-color:var(--color-primary);outline:none}.form-textarea{resize:vertical;min-height:120px}.privacy-text{color:#b0b0b0;margin-bottom:var(--spacing-xs);font-size:.85rem;font-style:italic;line-height:1.4}.submit-button{background-color:var(--color-primary);color:var(--color-white);cursor:pointer;transition:var(--transition-fast);text-transform:uppercase;letter-spacing:1px;border:none;border-radius:4px;padding:1rem;font-weight:700}.submit-button:hover{filter:brightness(1.1);transform:translateY(-2px)}.submit-button.loading{opacity:.7;cursor:not-allowed}.status-message{text-align:center;margin-top:var(--spacing-xs);border-radius:4px;padding:1rem;font-size:.9rem}.status-message.success{color:#28a745;background-color:#28a74533;border:1px solid #28a745}.status-message.error{color:#dc3545;background-color:#dc354533;border:1px solid #dc3545}@media (width<=768px){.contact-container,.form-row{grid-template-columns:1fr}}.project-detail-header{min-height:300px;color:var(--color-white);padding-top:calc(var(--header-height) + var(--spacing-md));background-position:50%;background-size:cover;align-items:center;display:flex}.project-info{margin-bottom:var(--spacing-lg);max-width:800px}.project-description{color:var(--color-text-light);font-size:1.25rem;line-height:1.8}.project-gallery{gap:var(--spacing-md);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(400px,1fr));display:grid}.gallery-item img{border-radius:8px;width:100%;box-shadow:0 10px 30px #0000001a}.gallery-placeholder img{opacity:.8;border-radius:8px;width:100%;max-width:800px}.project-video-section{width:100%;max-width:1000px;margin:0 auto var(--spacing-lg)}.project-video-container{width:100%}.video-responsive{aspect-ratio:16/9;width:100%;position:relative}.video-responsive iframe{border:none;width:100%;height:100%;position:absolute;top:0;left:0}.detail-video{background-color:#000;border-radius:8px;width:100%;height:100%}.detail-actions{gap:var(--spacing-md);border-top:1px solid var(--color-secondary);padding-top:var(--spacing-lg);display:flex}.hero-cta.secondary{border:2px solid var(--color-accent);color:var(--color-accent);background-color:#0000}.hero-cta.secondary:hover{background-color:var(--color-accent);color:var(--color-white)}@media (width<=768px){.project-gallery{grid-template-columns:1fr}}