:root {
    --color-primary: #4CAF50;
    --color-secondary: #37474F;
    --color-accent: #8BC34A;
    --color-text-light: #FFFFFF;
    --border-radius: 12px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.07);
    --transition-main: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-family-main: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-section-title: 3.2rem;
    --font-weight-black: 900;
    --font-weight-bold: 700;
    --container-width: 1140px;
    --header-height: 110px;
    --color-background: #FFFFFF;
    --color-surface: #F5F7FA;
    --color-border: #DDE2E6;
    --color-text-primary: #212529;
    --color-text-secondary: #5f6368;
}
img { max-width: 100%; height: auto; display: block; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; scroll-padding-top: var(--header-height); }
body { font-family: var(--font-family-main); font-size: 1rem; background-color: var(--color-background); color: var(--color-text-primary); line-height: 1.7; word-break: keep-all; overflow-x: hidden; }
.container { width: 90%; max-width: var(--container-width); margin: 0 auto; }
main { background-color: var(--color-background); }
.section { padding: 6rem 0; overflow: hidden; }
main > .section:nth-of-type(odd) { background-color: var(--color-surface); }
.section-title { font-size: var(--font-size-section-title); font-weight: var(--font-weight-black); text-align: center; margin-bottom: 1rem; color: var(--color-text-primary); }
.section-subtitle { font-size: 1.2rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 4rem; max-width: 800px; margin-left: auto; margin-right: auto; }
.btn { display: inline-block; padding: 0.7rem 1.5rem; border-radius: var(--border-radius); font-weight: var(--font-weight-bold); text-decoration: none; cursor: pointer; transition: var(--transition-main); border: 2px solid transparent; color: var(--color-text-light); box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); }
.btn:hover { transform: translateY(-3px); }
.btn.btn-primary { background: var(--color-primary); color: var(--color-text-light); }
.btn.btn-primary:hover { box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3); }
.header { width: 100%; height: var(--header-height); position: fixed; top: 0; left: 0; z-index: 1000; background-color: transparent; border-bottom: 1px solid transparent; transition: var(--transition-main); }
.header.scrolled { background-color: #DDE2E6; box-shadow: var(--shadow-soft); border-bottom: 1px solid rgba(0,0,0,0.1); }
.header-content { display: flex; justify-content: space-between; align-items: center; height: 100%; width: 100%; padding: 0 90px; }
.logo a { display: flex; align-items: center; height: 100%; }
.nav-list { display: flex; list-style: none; gap: 2.5rem; align-items: center; }
.nav-link { font-size: 1.1rem; text-decoration: none; color: var(--color-text-light); font-weight: var(--font-weight-bold); padding: 0.5rem 0; position: relative; transition: var(--transition-main); }
.header.scrolled .nav-link { color: var(--color-text-primary); }
.header.scrolled .nav-link:hover, .header.scrolled .nav-link.active { color: var(--color-primary); }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 0; height: 4px; background-color: var(--color-accent); transition: width 0.3s ease-in-out; border-radius: 2px; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
#home { height: 100vh; position: relative; display: flex; justify-content: center; align-items: center; text-align: center; color: var(--color-text-light); overflow: hidden; }
#background-video { position: absolute; top: 50%; left: 50%; min-width: 100%; min-height: 100%; z-index: -2; transform: translateX(-50%) translateY(-50%); object-fit: cover; }
#home::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top, rgba(55, 71, 79, 0.8), rgba(55, 71, 79, 0.5)); z-index: -1; }
.home-content h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 900; margin-bottom: 1rem; animation: slideUpFadeIn 1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards; opacity: 0; }
.home-content p { font-size: clamp(1rem, 2.5vw, 1.5rem); font-weight: 500; animation: slideUpFadeIn 1s cubic-bezier(0.25, 0.8, 0.25, 1) 0.3s forwards; opacity: 0; }
.scroll-indicator { position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%); color: white; text-align: center; animation: bounce 2s infinite; cursor: pointer; }
.scroll-indicator span { font-size: 0.8rem; display: block; }
.scroll-indicator .mouse { width: 25px; height: 45px; border: 2px solid white; border-radius: 15px; margin: 0 auto; margin-top: 5px; }
.scroll-indicator .scroller { width: 3px; height: 10px; background-color: white; border-radius: 2px; margin: 6px auto; animation: scroll-anim 2s infinite; }
.services-wrapper { position: relative; transition: background-color 0.5s ease; padding: 6rem 0; }
.services-wrapper.theme-av { background-color: #2c3e50; }
.services-wrapper.theme-pa { background-color: #34495e; }
.services-wrapper.theme-led { background-color: #233142; }
.services-wrapper.theme-cctv { background-color: #485460; }
.services-wrapper.theme-maint { background-color: #1e272e; }
#services { width: 100%; color: #ecf0f1; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 0; }
.services-category-tabs-container { position: sticky; top: var(--header-height); z-index: 100; background-color: transparent; padding: 0.75rem 0; opacity: 1; visibility: visible; transition: none; }
.services-category-tabs-container.visible { opacity: 1; visibility: visible; transition: opacity 0.3s ease; }
.services-category-tabs { display: flex; justify-content: center; flex-wrap: wrap; list-style: none; gap: 1.5rem; padding: 0; margin: 0; max-width: var(--container-width); margin: 0 auto; }
.services-category-tabs li { font-size: 1rem; font-weight: 700; color: var(--color-text-light); cursor: pointer; transition: all 0.3s ease; position: relative; padding: 0.5rem 0; opacity: 0.8; }
.services-category-tabs li:hover { opacity: 1; }
.services-category-tabs li.active { color: var(--color-accent); opacity: 1; }
.services-category-tabs li::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background-color: var(--color-accent); transition: width 0.3s ease-in-out; border-radius: 2px; }
.services-category-tabs li.active::after { width: 100%; }
.presentation-container { grid-template-columns: 1fr 1fr; gap: 4rem; max-width: 1400px; margin: 0 auto; width: 100%; align-items: center; transition: grid-template-columns 0.5s ease-in-out; }
.presentation-container.layout-reversed { grid-template-columns: 1fr 1fr; }
.presentation-visual-area { grid-column: 2; grid-row: 1; position: relative; transition: grid-column 0.1s; }
.presentation-text-area { grid-column: 1; grid-row: 1; display: grid; grid-template-rows: auto 1fr; transition: grid-column 0.1s; }
.presentation-container.layout-reversed .presentation-visual-area { grid-column: 1; }
.presentation-container.layout-reversed .presentation-text-area { grid-column: 2; }
.slide-counter { display: none; }
.text-slide-viewport { display: grid; position: relative; }
.text-slide { grid-area: 1 / 1 / 2 / 2; opacity: 0; visibility: hidden; transition: opacity 0.15s, visibility 0s 0.15s; align-content: center; padding-top: 50px; }
.text-slide.active { opacity: 1; visibility: visible; transition: opacity 0.15s ease-out 0.15s; }
.slide-header { border-bottom: 1px solid rgba(255,255,255,0.2); margin-bottom: 1.5rem; padding-bottom: 1.5rem; }
.slide-header .main-title { font-size: clamp(1.2rem, 2vw + 0.8rem, 1.5rem); font-weight: 700; color: var(--color-text-light); opacity: 0.8; margin-bottom: 0.5rem; border-bottom: none; padding-bottom: 0; }
.slide-header .sub-title { font-size: clamp(1.5rem, 2.5vw + 1rem, 2rem); font-weight: 900; color: var(--color-text-light); margin-bottom: 1rem; }
.slide-header p { font-size: clamp(0.85rem, 1.5vw + 0.5rem, 0.95rem); color: rgba(236, 240, 241, 0.8); line-height: 1.7; margin-bottom: 0; }
.slide-details { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 600px) { .slide-details { grid-template-columns: 1fr 1fr; } }
.details-column h6 { font-size: 1rem; font-weight: var(--font-weight-bold); color: var(--color-primary); margin-bottom: 1rem; display: flex; align-items: center; }
.details-column h6 i { margin-right: 0.5rem; color: var(--color-accent); }
.details-column ul { list-style: none; padding-left: 0; margin-top: 0; }
.details-column ul li { font-size: clamp(0.8rem, 1.5vw + 0.4rem, 0.9rem); margin-bottom: 0.5rem; padding-left: 1.5rem; position: relative; }
.details-column ul li::before { content: '◎'; position: absolute; left: 0; color: var(--color-accent); }
.presentation-visual-area { position: relative; align-self: center; width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; }
.visual-wrapper { position: relative; width: 100%; padding-top: 75%; border-radius: var(--border-radius); overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
.placeholder-image { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; text-align: center; background-color: #333; opacity: 0; visibility: hidden; transition: opacity 0.15s, visibility 0s 0.15s; }
.placeholder-image.active { opacity: 1; visibility: visible; transition: opacity 0.15s ease-out 0.15s; }
#services-mobile-container, #services-mobile-title-container, .presentation-container, .services-category-tabs-container { display: none; }
.services-desktop-view .presentation-container { display: grid; }
.services-desktop-view .services-category-tabs-container { display: block; }
.services-desktop-view #services { position: sticky; top: 0; min-height: 100vh; padding: 2rem 0; }
.services-grid-view #services-mobile-container, .services-grid-view #services-mobile-title-container { display: block; }
.services-grid-view #services { position: static; min-height: auto; align-items: flex-start; padding: 0; background-color: transparent; }
.services-grid-view .services-wrapper { height: auto !important; padding: 6rem 0; }
.services-grid-view .container { padding-top: 0; padding-bottom: 0; }
.service-card { background-color: var(--color-background); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }
.service-card .card-content { padding: 1.5rem; }
.service-card .slide-header { padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid var(--color-border); }
.service-card .main-title, .service-card .slide-header p, .service-card .details-column h6, .service-card .details-column ul li { color: var(--color-text-primary) !important; }
.service-card .sub-title { font-size: 1.5rem !important; color: var(--color-primary) !important; }
.service-card .main-title { font-size: 1rem !important; font-weight: 500 !important; color: var(--color-text-secondary) !important; margin-bottom: 0.25rem !important; }
.service-card .slide-header p { font-size: 0.95rem !important; margin-top: 1rem !important; margin-bottom: 0; }
.service-card .slide-details { grid-template-columns: 1fr !important; gap: 1.5rem !important; margin-top: 1rem !important; }
.service-card .details-column ul li::before { color: var(--color-primary) !important; }
.services-category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.category-grid-item { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1rem; background-color: var(--color-surface); border-radius: var(--border-radius); text-align: center; cursor: pointer; transition: var(--transition-main); border: 2px solid transparent; }
.category-grid-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); border-color: var(--color-primary); }
.category-grid-item i { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 1rem; }
.category-grid-item span { font-weight: var(--font-weight-bold); color: var(--color-text-primary); }
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); display: flex; justify-content: center; align-items: center; z-index: 2000; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0s 0.3s; }
.modal-overlay.active { opacity: 1; visibility: visible; transition: opacity 0.3s ease; }
.modal-content { background-color: var(--color-background); border-radius: var(--border-radius); box-shadow: 0 5px 25px rgba(0,0,0,0.15); width: 90%; max-width: 800px; max-height: 90vh; display: flex; flex-direction: column; transform: translateY(20px) scale(0.95); transition: transform 0.3s ease; padding: 0; }
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--color-border); flex-shrink: 0; }
.modal-title { font-size: 1.2rem; font-weight: var(--font-weight-bold); margin: 0; }
.modal-close-btn { font-size: 2rem; font-weight: 300; color: #888; background: none; border: none; cursor: pointer; line-height: 1; padding: 0.5rem; }
#modal-body { overflow-y: auto; flex-grow: 1; padding: 1.5rem 2rem; }
#modal-body .service-card { margin-bottom: 1.5rem; }
#about .about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 5rem; }
#about .about-card { background-color: var(--color-background); padding: 2.5rem; border-radius: var(--border-radius); text-align: center; box-shadow: var(--shadow-soft); transition: var(--transition-main); border-top: 5px solid transparent; }
#about .about-card:hover { transform: translateY(-8px); border-top-color: var(--color-primary); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
#about .about-card h3 { font-weight: var(--font-weight-bold); color: var(--color-secondary); }
.numbers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; text-align: center; }
@keyframes scroll-left { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.clients-carousel-wrapper { overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent); mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent); }
.clients-carousel-wrapper:hover .clients-grid { animation-play-state: paused; }
#clients .clients-grid { display: flex; flex-wrap: nowrap; gap: 2rem; min-width: fit-content; animation: scroll-left 40s linear infinite; }
#clients .client-item { flex-shrink: 0; width: 200px; background-color: var(--color-background); padding: 1.5rem; border-radius: var(--border-radius); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; transition: var(--transition-main); min-height: 160px; }
#clients .client-item:hover { transform: translateY(-5px) scale(1.05); box-shadow: var(--shadow-soft); }
#clients .client-logo img { height: 50px; max-width: 150px; object-fit: contain; filter: grayscale(100%); transition: var(--transition-main); }
#clients .client-item:hover .client-logo img { filter: grayscale(0%); }
#clients .client-name { font-weight: var(--font-weight-bold); margin-top: 1rem; color: var(--color-text-secondary); }
.cases-technical-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }
.cases-technical-grid .grid-item { background-color: var(--color-surface); padding: 2.5rem; border-radius: var(--border-radius); text-align: center; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; justify-content: space-between; align-items: center; transition: var(--transition-main); border-top: 5px solid transparent; }
.cases-technical-grid .grid-item:hover { transform: translateY(-8px); border-top-color: var(--color-primary); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.cases-technical-grid .grid-item h3 { font-size: 1.8rem; font-weight: var(--font-weight-bold); color: var(--color-secondary); margin-bottom: 1rem; }
.cases-technical-grid .grid-item p { color: var(--color-text-secondary); margin-bottom: 2rem; flex-grow: 1; }
.cases-technical-grid .grid-item .btn { font-size: 1.2rem; padding: 1rem 2.5rem; width: fit-content; }
.contact-info-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
#support .contact-item { background-color: var(--color-background); padding: 2rem; border-radius: var(--border-radius); text-align: center; box-shadow: var(--shadow-soft); transition: var(--transition-main); }
#support .contact-item:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
#support .contact-item .contact-icon { font-size: 2.5rem; margin-bottom: 1rem; color: var(--color-primary); }
#support .contact-item h3 { font-size: 1.2rem; }
#support a { color: inherit; text-decoration: none; }
#support a:hover { color: var(--color-primary); }
.map-container { margin-top: 4rem; }
.map-container iframe { width: 100%; height: 400px; border: 0; border-radius: var(--border-radius); }
.footer { background-color: var(--color-secondary); color: #bdc3c7; padding: 3rem 0; }
.footer-content { max-width: none; margin: 0 auto; padding: 0 90px; }
.footer-top-row, .footer-bottom-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; padding: 1.5rem 0; }
.footer-top-row { border-bottom: 1px solid rgba(255, 255, 255, 0.1); align-items: center; }
.footer-logo-and-certs { display: flex; align-items: center; gap: 2.5rem; flex-wrap: wrap; }
.footer-certifications p { color: var(--color-text-light); font-size: 1rem; font-weight: 500; opacity: 0.8; }
.footer-info { font-size: 0.9rem; line-height: 1.7; color: #D0D5D8; }
.footer-contact { display: flex; align-items: center; gap: 2rem; }
.footer-contact__item { display: flex; align-items: center; }
.footer-contact__item i { font-size: 1.5rem; margin-right: 0.8rem; color: #8e9eab; }
.footer-contact__label { font-size: 0.9rem; }
.footer-contact__value { font-size: 1.2rem; font-weight: bold; color: var(--color-text-light); }
.footer-contact__value a { color: inherit; text-decoration: none; }
.footer-contact__value a:hover { color: var(--color-primary); }
.footer-copyright { font-size: 0.85rem; color: rgba(255, 255, 255, 0.5); text-align: center; padding-top: 2rem; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUpFadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); } 40% { transform: translateY(-15px) translateX(-50%); } 60% { transform: translateY(-7px) translateX(-50%); } }
@keyframes scroll-anim { 0% { opacity: 1; top: 6px; } 15% { opacity: 1; top: 10px; } 50% { opacity: 0; top: 20px; } 100% { opacity: 0; top: 6px; } }
.nav-toggle { display: none; flex-direction: column; justify-content: space-around; width: 30px; height: 30px; background: transparent; border: none; cursor: pointer; padding: 0; z-index: 1001; }
.nav-toggle span { width: 30px; height: 3px; background-color: var(--color-text-light); border-radius: 5px; transition: all 0.3s linear; }
.header.scrolled .nav-toggle span { background-color: var(--color-text-primary); }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal > * { transition-delay: var(--delay); }
#about .about-card .card-icon { font-size: 3rem; color: var(--color-primary); margin-bottom: 1rem; transition: transform 0.3s ease; }
#about .about-card:hover .card-icon { transform: scale(1.1); }
#scroll-to-top-btn { position: fixed; bottom: 2rem; right: 2rem; width: 50px; height: 50px; background-color: var(--color-primary); color: var(--color-text-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: bold; text-decoration: none; box-shadow: 0 4px 10px rgba(0,0,0,0.2); z-index: 999; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.3s ease; }
#scroll-to-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2.5rem; align-items: start; }
.process-card { background-color: var(--color-surface); border-radius: var(--border-radius); padding: 2rem 1.5rem; text-align: center; border-top: 5px solid transparent; transition: var(--transition-main); position: relative; height: 100%; }
.process-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); border-top-color: var(--color-primary); }
.process-card__icon { font-size: 3rem; color: var(--color-primary); margin-bottom: 1.5rem; display: inline-block; }
.process-card__step-number { display: block; font-size: 0.9rem; font-weight: var(--font-weight-bold); color: var(--color-text-secondary); margin-bottom: 0.5rem; }
.process-card h3 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--color-secondary); }
.process-card p { font-size: 0.95rem; line-height: 1.6; }
.process-card:not(:last-child)::after { content: ''; position: absolute; width: 12px; height: 12px; border-top: 3px solid var(--color-border); border-right: 3px solid var(--color-border); top: 65px; right: -2.1rem; transform: translateY(-50%) rotate(45deg); }

@media (max-width: 1200px) {
    .nav-toggle { display: flex; }
    .nav-list { position: fixed; top: 0; right: -100%; width: 70%; height: 100vh; background-color: var(--color-background); backdrop-filter: blur(10px); flex-direction: column; align-items: center; justify-content: center; gap: 3rem; transition: right 0.4s ease-in-out; z-index: 1000; padding-left: 0; }
    .nav-list.active { right: 0; }
    .nav-link { color: var(--color-text-secondary) !important; font-size: 1.3rem; }
    .header.scrolled .nav-link, .nav-link:hover { color: var(--color-text-primary) !important; }
    .header.scrolled .nav-link:hover, .header.scrolled .nav-link.active { color: var(--color-primary) !important; opacity: 1; }
    #about .about-grid { grid-template-columns: repeat(2, 1fr); }
    #support .contact-info-container { grid-template-columns: 1fr; }
    .services-wrapper .section-subtitle { margin-bottom: 2rem; }
    .clients-carousel-wrapper { -webkit-mask-image: none; mask-image: none; }
    #clients .clients-grid { animation: none; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
    #clients .client-item { width: calc(50% - 0.75rem); flex-shrink: 1; }
    .services-grid-view .services-wrapper { height: auto !important; min-height: 0 !important; }
    .process-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
    .process-card:not(:last-child)::after { display: none; }
}
@media (max-width: 991px) {
    .header-content { padding: 0 30px; }
    .footer-content { padding: 0 30px; }
    .footer-top-row { flex-direction: column; align-items: center; gap: 1.5rem; }
    .footer-logo-and-certs { justify-content: center; text-align: center; }
}
@media (max-width: 767px) {
    .home-content h1 { font-size: clamp(2rem, 8vw, 3rem); }
    #about .about-grid, .numbers-grid, .process-grid { grid-template-columns: 1fr; }
    #clients .clients-grid { justify-content: space-between; gap: 1rem; }
    #clients .client-item { width: calc(50% - 0.5rem); }
    .modal-content { padding: 0; }
    #modal-body { padding: 1.5rem; }
    .modal-header { padding: 0.75rem 1rem; }
    .modal-title { font-size: 1rem; }
    .modal-close-btn { font-size: 2rem; padding: 0.5rem; }
    .footer { padding: 3rem 1.5rem; }
    .footer-bottom-row { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .footer-contact { flex-direction: column; align-items: flex-start; width: 100%; gap: 1.5rem; }
    .footer-certifications p { font-size: 0.9rem; }
    .cases-technical-grid { grid-template-columns: 1fr; }
    .header-content, .footer-content { padding: 0 20px; }
    .header .logo img,
    .footer .footer-logo-and-certs img {
        height: 60px !important;
    }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
    .reveal { transform: none; opacity: 1; }
}
.placeholder-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.service-card .card-image {
    position: relative;
    width: 100%;
    padding-top: 75%;
    height: 0;
    overflow: hidden;
}
.service-card .card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.text-slide .main-title,
.service-card .main-title {
    display: none;
}
.text-slide .sub-title {
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}
.details-column ul li {
    transition: all 0.2s ease-in-out;
    border-radius: 5px;
    padding: 0.3rem 0.5rem 0.3rem 1.5rem;
    margin-left: -0.5rem;
}
.details-column ul li:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-light);
}
.details-column ul li:hover::before {
    color: var(--color-text-light);
    transform: scale(1.2);
}
.text-slide.active .slide-header,
.text-slide.active .details-column {
    animation: slideUpFadeIn 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    opacity: 0;
}
.text-slide.active .details-column:nth-of-type(1) {
    animation-delay: 0.1s;
}
.text-slide.active .details-column:nth-of-type(2) {
    animation-delay: 0.2s;
}
.service-card .details-column ul li:hover {
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--color-primary);
}
.service-card .details-column ul li:hover::before {
    color: var(--color-primary);
}
.number-item .counter {
    font-size: 3.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    line-height: 1.2;
}

@media print {
    .header, .footer, .nav-toggle, .scroll-indicator, #scroll-to-top-btn,
    #home > video, #home::after, .clients-carousel-wrapper, .btn,
    .cases-technical-grid .grid-item a {
        display: none !important;
    }

    section, main, body {
        padding: 0;
        margin: 0;
        box-shadow: none;
        background-color: #FFFFFF !important;
    }
    
    * {
        color: #000000 !important;
        background: #FFFFFF !important;
        transition: none !important;
        animation: none !important;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
    }
    a {
        text-decoration: underline;
    }
}