:root{--primary-color:#FF7A00;--dark-bg:#1A1A1A;--medium-grey:#2C2C2C;--light-bg:#111;--text-color:#F5F5F5;--text-muted:#A0A0A0;--white-color:#FFFFFF;--font-family-main:'Poppins',sans-serif;--header-height:5rem;--container-padding:1.5rem;--container-width:1200px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:62.5%;scroll-behavior:smooth}
body{background-color:var(--dark-bg);color:var(--text-color);font-family:var(--font-family-main);font-size:1.6rem;line-height:1.6}
body.no-scroll{overflow:hidden}
.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--container-padding)}
h2.section-title{font-size:clamp(2.8rem,4vw,4.2rem);font-weight:700;text-align:center;margin-bottom:5rem;color:var(--white-color)}
.cta-button{text-decoration:none;display:inline-block;transition:transform .3s ease,box-shadow .3s ease,background-color .3s ease,color .3s ease;font-weight:600;border-radius:8px}
.cta-button.primary-cta{font-size:1.6rem;color:var(--dark-bg);background-color:var(--primary-color);padding:1.5rem 4rem}
.cta-button.primary-cta:hover{transform:translateY(-3px);box-shadow:0 10px 20px rgba(255,122,0,.2)}
.brs-main-header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background-color .4s ease,box-shadow .4s ease;padding:1rem 0}
.brs-main-header.scrolled{background-color:rgba(26,26,26,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.header-core{display:flex;justify-content:space-between;align-items:center}
.logo-link .logo-image{height:4rem;transition:transform .3s ease}
.logo-link:hover .logo-image{transform:scale(1.05)}
.main-navigation .nav-list{display:flex;align-items:center;list-style:none;gap:3rem}
.nav-link{color:var(--text-muted);text-decoration:none;font-weight:600;font-size:1.5rem;padding:.5rem 0;position:relative;transition:color .3s ease}
.nav-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}
.nav-link:hover,.nav-link.active{color:var(--white-color)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta-button{background-color:var(--primary-color);color:var(--white-color);text-decoration:none;font-weight:600;padding:1rem 2.5rem;border-radius:50px;transition:background-color .3s ease,transform .3s ease}
.nav-cta-button:hover{background-color:#ff8c21;transform:translateY(-2px)}
.mobile-nav-toggle{display:none}
section{padding:8rem 0;overflow:hidden}
.hero-section{min-height:100vh;display:flex;align-items:center;padding-top:var(--header-height)}
.hero-container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:4rem}
.hero-headline{font-size:clamp(3.2rem,5vw,6rem);font-weight:700;line-height:1.2;margin-bottom:2rem;color:var(--white-color)}
.hero-description{font-size:1.8rem;color:var(--text-muted);max-width:50ch;margin-bottom:3rem}
.hero-visual-content .hero-image{max-width:100%;height:auto;object-fit:contain;border-radius:50%}
.categories-section{background-color:var(--light-bg)}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:3rem}
.category-card{display:block;text-decoration:none;background-color:var(--medium-grey);border-radius:12px;overflow:hidden;transition:transform .4s cubic-bezier(.25,.46,.45,.94),box-shadow .4s ease}
.category-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px rgba(0,0,0,.4)}
.category-image{width:100%;height:220px;object-fit:cover;transition:transform .5s ease}
.category-card:hover .category-image{transform:scale(1.05)}
.card-content{padding:2.5rem}
.card-content h3{font-size:2.2rem;font-weight:600;color:var(--white-color);margin-bottom:1rem}
.card-content p{font-size:1.5rem;color:var(--text-muted);line-height:1.7}
.tabs-wrapper{max-width:900px;margin:0 auto}
.tab-controls{display:flex;justify-content:center;gap:.5rem;margin-bottom:4rem;flex-wrap:wrap}
.tab-button{padding:1rem 3rem;font-size:1.6rem;font-weight:600;border:2px solid var(--medium-grey);background:0 0;color:var(--text-muted);cursor:pointer;transition:.3s ease;border-radius:50px}
.tab-button:hover{background-color:var(--medium-grey);color:var(--white-color)}
.tab-button.active{background-color:var(--primary-color);color:var(--dark-bg);border-color:var(--primary-color)}
.tab-panel{display:none;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.tab-panel.active{display:grid;animation:fadeIn .6s ease}
.tab-panel img{width:100%;border-radius:8px}
.tab-panel h3{font-size:2.4rem;margin-bottom:1rem}
.tab-panel p{font-size:1.6rem;color:var(--text-muted);max-width:45ch;line-height:1.7}
.process-section{background-color:var(--light-bg)}
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:4rem}
.process-step{text-align:center}
.process-step span{font-size:2rem;font-weight:700;color:var(--primary-color);background-color:var(--medium-grey);height:50px;width:50px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;margin-bottom:2rem}
.process-step h3{font-size:2.2rem;margin-bottom:1rem}
.process-step p{color:var(--text-muted);max-width:35ch;margin:0 auto}
.gallery-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,15vh)}
.gallery-item{overflow:hidden;border-radius:12px}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease,filter .4s ease}
.gallery-item:hover img{transform:scale(1.05);filter:brightness(1.1)}
.item-1{grid-column:1/2;grid-row:1/5}
.item-2{grid-column:2/3;grid-row:1/3}
.item-3{grid-column:3/5;grid-row:1/5}
.item-4{grid-column:2/3;grid-row:3/5}
.faq-section{background-color:var(--light-bg)}
.faq-container{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}
.faq-item{background-color:var(--medium-grey);border-radius:8px;border:1px solid #444}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:2rem;font-size:1.8rem;font-weight:600;cursor:pointer;list-style:none;text-align:left}
.faq-question::-webkit-details-marker{display:none}
.faq-question::after{content:'+';font-size:3rem;transition:transform .3s ease;transform:rotate(0)}
.faq-item[open] .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 2rem 2rem;color:var(--text-muted);line-height:1.7;text-align:left}
.stats-section{padding:12rem 0;background-image:linear-gradient(rgba(26,26,26,.8),rgba(26,26,26,.8)),url(images/1.webp);background-size:cover;background-position:center;background-attachment:fixed}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;text-align:center}
.stat-number{font-size:clamp(4rem,6vw,7rem);font-weight:700;color:var(--primary-color);display:block;line-height:1}
.stat-label{font-size:1.6rem;color:var(--text-muted);margin-top:.5rem}
.spotlight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:3rem}
.spotlight-item{position:relative;overflow:hidden;border-radius:12px}
.spotlight-item img{width:100%;height:400px;object-fit:cover;transition:transform .4s ease}
.spotlight-item:hover img{transform:scale(1.05)}
.spotlight-item h3{position:absolute;bottom:0;left:0;right:0;padding:2rem;font-size:2.2rem;color:var(--white-color);background:linear-gradient(to top,rgba(0,0,0,.8),transparent);margin:0}
.commitment-section{background-color:var(--light-bg)}
.commitment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:4rem;text-align:center}
.commitment-item svg{height:40px;width:40px;fill:var(--primary-color);margin-bottom:1.5rem}
.commitment-item h3{font-size:2.2rem;margin-bottom:1rem}
.commitment-item p{color:var(--text-muted);max-width:35ch;margin:0 auto}
.cta-section{padding:8rem 0;background-color:var(--medium-grey);text-align:center}
.cta-section h2{font-size:clamp(2.8rem,4vw,4rem);margin-bottom:1rem}
.cta-section p{color:var(--text-muted);max-width:60ch;margin:0 auto 3rem}
.site-footer{padding:6rem 0;background-color:var(--light-bg);font-size:1.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:4rem}
.footer-logo{font-size:2.4rem;font-weight:700;color:var(--white-color);text-decoration:none;display:block;margin-bottom:1rem}
.footer-column.about p{color:var(--text-muted)}
.footer-column h4{font-size:1.8rem;margin-bottom:1.5rem;color:var(--white-color)}
.footer-column ul{list-style:none;padding:0}
.footer-column ul li{margin-bottom:1rem}
.footer-column ul a{color:var(--text-muted);text-decoration:none;transition:color .3s ease}
.footer-column ul a:hover{color:var(--primary-color)}
.animate-on-scroll{opacity:0;transition:opacity .8s ease-out,transform .8s cubic-bezier(.25,.46,.45,.94)}
[data-animation=fade-in-from-bottom]{transform:translateY(50px)}
[data-animation=fade-in-from-right]{transform:translateX(50px)}
.animate-on-scroll.is-visible{opacity:1;transform:translate(0,0)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@media(max-width:992px){.gallery-grid{grid-template-rows:repeat(4,12vh)}}
@media (max-width:768px){.main-navigation{position:fixed;top:0;left:0;width:100%;height:100vh;background-color:var(--dark-bg);display:flex;justify-content:center;align-items:center;transform:translateY(-100%);transition:transform .5s cubic-bezier(.77,0,.175,1);z-index:900}
.main-navigation.menu-open{transform:translateY(0)}
.main-navigation .nav-list{flex-direction:column;gap:2rem;text-align:center}
.main-navigation .nav-link{font-size:2.4rem;font-weight:700;padding:1rem 2rem}
.main-navigation .nav-cta-button{font-size:2rem;padding:1.5rem 4rem}
.mobile-nav-toggle{display:block;position:relative;width:3rem;height:3rem;background:0 0;border:none;cursor:pointer;z-index:1100}
.hamburger-bar{position:absolute;left:0;width:3rem;height:.3rem;background-color:var(--white-color);border-radius:10px;transition:transform .3s cubic-bezier(.25,.46,.45,.94),opacity .3s ease;transform-origin:center}
.hamburger-bar:nth-child(1){transform:translateY(-8px)}
.hamburger-bar:nth-child(3){transform:translateY(8px)}
.mobile-nav-toggle.menu-open .hamburger-bar:nth-child(1){transform:translateY(0) rotate(45deg)}
.mobile-nav-toggle.menu-open .hamburger-bar:nth-child(2){transform:scaleX(0)}
.mobile-nav-toggle.menu-open .hamburger-bar:nth-child(3){transform:translateY(0) rotate(-45deg)}
.hero-container{grid-template-columns:1fr;text-align:center}
.hero-visual-content{order:-1;margin-bottom:3rem}
.hero-description{margin:0 auto 3rem}
.tab-panel{grid-template-columns:1fr;text-align:center}
.tab-panel img{margin-bottom:2rem}
.tab-panel p{margin:0 auto}
.gallery-grid{grid-template-columns:repeat(2,1fr);grid-template-rows:auto}
.item-1{grid-column:1/2;grid-row:1/3}
.item-2{grid-column:2/3;grid-row:1/2}
.item-3{grid-column:1/3;grid-row:3/4}
.item-4{grid-column:2/3;grid-row:2/3}
.item-5{grid-column:1/2;grid-row:3/4}
.footer-grid{grid-template-columns:1fr;text-align:center}}
@media (max-width:400px){:root{--container-padding:1rem}
.hero-headline{font-size:3rem}
.cta-button.primary-cta{padding:1.2rem 3rem;width:100%}
.tab-controls{flex-direction:column;gap:1rem}
.gallery-grid{display:flex;flex-direction:column;gap:1rem}
.footer-column.about{order:-1}}

.page-title {
    margin-bottom: 1.5rem;
}
.catalog-section {
    padding-top: calc(var(--header-height) + 4rem); 
}
.page-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.8rem;
    max-width: 70ch;
    margin: 0 auto 5rem;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-item {
    background-color: var(--medium-grey);
    border: none;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    text-align: left;
    padding: 0;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-item h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--white-color);
    padding: 1.5rem;
    margin: 0;
    flex-grow: 1; 
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--medium-grey);
    padding: 3rem;
    border-radius: 12px;
    max-width: 90%;
    width: 700px;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.visible .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--white-color);
    font-size: 4rem;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
}

#modal-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

#modal-title {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--white-color);
}

#modal-description {
    font-size: 1.6rem;
    color: var(--text-muted);
    line-height: 1.7;
}



@media (max-width: 400px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .modal-content {
        padding: 2rem;
    }

    #modal-title {
        font-size: 2.4rem;
    }

    #modal-image {
        height: 200px;
    }
}
.page-title {
    text-align: center;
}

.guides-hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    text-align: center;
    background-color: var(--light-bg);
}

.featured-guides-section {
    padding-bottom: 0;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.guide-card {
    background-color: var(--medium-grey);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.guide-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.guide-card-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.guide-card-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.guide-card-content p {
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 2rem;
}

.read-more-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    align-self: flex-start;
}

.tips-section {
    background-color: var(--medium-grey);
}

.tips-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.tips-intro h2 {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    margin-bottom: 1rem;
}

.tips-intro p {
    color: var(--text-muted);
    font-size: 1.8rem;
}

.tips-list {
    list-style: none;
    padding-left: 2rem;
}

.tips-list li {
    font-size: 1.8rem;
    padding-left: 2rem;
    position: relative;
    margin-bottom: 1.5rem;
}

.tips-list li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: 700;
}

.slider-section {
    background-color: var(--light-bg);
}

.slider-wrapper {
    position: relative;
}

.slider-viewport {
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    flex: 0 0 33.333%;
    padding: 0 1rem;
    text-align: center;
}

.slide img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2.4rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slider-nav:hover:not(:disabled) {
    background-color: var(--primary-color);
}

.slider-nav.prev { left: 0; }
.slider-nav.next { right: 0; }
.slider-nav:disabled { opacity: 0.3; cursor: not-allowed; }

.mistakes-section {
    background-color: var(--dark-bg);
}
.mistakes-list {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
    counter-reset: mistakes-counter;
}
.mistakes-list li {
    border-bottom: 1px solid var(--medium-grey);
    padding: 2rem 0 2rem 5rem;
    position: relative;
}
.mistakes-list li::before {
    counter-increment: mistakes-counter;
    content: "0" counter(mistakes-counter);
    position: absolute;
    left: 0;
    top: 2rem;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--primary-color);
}
.mistakes-list li h3 { font-size: 2rem; }
.mistakes-list li p { color: var(--text-muted); }

.video-section {
    background-color: var(--light-bg);
}
.video-placeholder {
    position: relative;
    cursor: pointer;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
}
.video-placeholder img { display: block; width: 100%; }
.play-button-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}
.video-placeholder:hover .play-button-overlay { background-color: rgba(0,0,0,0.1); }
.play-button-overlay::after {
    content: '';
    display: block;
    width: 80px; height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 122, 0, 0.9);
    border-style: solid;
    border-width: 0 0 0 26px;
    border-color: transparent transparent transparent var(--white-color);
    transform: translateX(5px) scale(1);
    transition: transform 0.3s ease;
}
.video-placeholder:hover .play-button-overlay::after { transform: translateX(5px) scale(1.1); }


.safety-section {
    background-color: var(--medium-grey);
    text-align: center;
}
.safety-content h3 { font-size: 2.8rem; margin-bottom: 1rem; }
.safety-content p { max-width: 60ch; margin: 0 auto 2.5rem; color: var(--text-muted); }

@media (max-width: 992px) {
    .slide { flex: 0 0 50%; }
}

@media (max-width: 768px) {
    .tips-grid { grid-template-columns: 1fr; text-align: center; }
    .tips-list { padding-left: 0; }
    .tips-list li { text-align: left; }
    .slider-nav { top: auto; bottom: -70px; transform: translateY(0); }
    .slider-nav.prev { left: 30%; }
    .slider-nav.next { right: 30%; }
    .slider-section { padding-bottom: 10rem; }
}

@media (max-width: 600px) {
    .slide { flex: 0 0 100%; }
}

@media (max-width: 400px) {
    .guide-grid { grid-template-columns: 1fr; }
}

.infographic-section {
    background-color: var(--light-bg);
}
.infographic-placeholder {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--medium-grey);
}
.infographic-placeholder img {
    display: block;
    width: 100%;
}

.checklist-section {
    background-color: var(--dark-bg);
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.checklist-item {
    background-color: var(--medium-grey);
    padding: 2.5rem;
    border-radius: 8px;
    border-top: 4px solid var(--primary-color);
}

.checklist-item h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.checklist-item p {
    color: var(--text-muted);
}


@media (max-width: 768px) {
    .checklist-grid {
        grid-template-columns: 1fr;
    }
}


.sustainability-hero-section {
    padding: 12rem 0;
    text-align: center;
    background-image: linear-gradient(rgba(26,26,26,.7),rgba(26,26,26,.7)), url(images/67.webp);
    background-size: cover;
    background-position: center;
}

.philosophy-section { background-color: var(--light-bg); }
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: center;
}
.philosophy-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}
.philosophy-item h3 { font-size: 2.2rem; margin-bottom: 1rem; }
.philosophy-item p { color: var(--text-muted); }

.timeline-section { padding-bottom: 10rem; }
.timeline-wrapper { max-width: 800px; margin: 0 auto; }
.timeline-nav { display: flex; justify-content: space-between; border-bottom: 2px solid var(--medium-grey); margin-bottom: 2rem; }
.timeline-year {
    background: none; border: none; color: var(--text-muted);
    font-size: 2rem; font-weight: 600; padding: 1rem;
    cursor: pointer; position: relative; transition: color 0.3s ease;
}
.timeline-year::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 2px; background-color: var(--primary-color);
    transition: width 0.3s ease;
}
.timeline-year.active { color: var(--primary-color); }
.timeline-year.active::after { width: 100%; }
.timeline-event { display: none; text-align: center; padding: 1rem 0; }
.timeline-event.active { display: block; animation: fadeIn .6s ease; }
.timeline-event h3 { font-size: 2.4rem; margin-bottom: 1rem; }
.timeline-event p { font-size: 1.8rem; color: var(--text-muted); }

.material-focus-section { background-color: var(--light-bg); }
.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.material-item {
    position: relative; border-radius: 8px; overflow: hidden;
    height: 300px;
}
.material-item img { width: 100%; height: 100%; object-fit: cover; }
.material-item h3 {
    position: absolute; bottom: 0; left: 0; right: 0;
    margin: 0; padding: 2rem; color: var(--white-color);
    font-size: 2.2rem; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.lifecycle-section { background-color: var(--dark-bg); }
.lifecycle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    position: relative;
    padding-top: 2rem;
}
.lifecycle-stage {
    text-align: center;
    position: relative;
}
.lifecycle-stage span {
    width: 50px; height: 50px;
    background-color: var(--medium-grey);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; font-weight: 700;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
}
.lifecycle-stage h4 { font-size: 2rem; margin-bottom: 1rem; }
.lifecycle-stage p { color: var(--text-muted); }

.impact-section { background-color: var(--medium-grey); }
.impact-section .container {
    display: grid; grid-template-columns: 1fr 2fr;
    gap: 4rem; align-items: center;
}
.impact-item h3 { font-size: 2.8rem; margin-bottom: 1rem; }
.impact-item p { color: var(--text-muted); }
.impact-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.stat-card {
    background-color: var(--dark-bg); text-align: center;
    padding: 2rem; border-radius: 8px;
}
.stat-card h4 { font-size: 3.2rem; color: var(--primary-color); }
.stat-card p { font-size: 1.4rem; color: var(--text-muted); }

.goal-section { text-align: center; }
.goal-content { max-width: 70ch; margin: 0 auto; }
.goal-content h2 { font-size: clamp(2.4rem, 4vw, 3.6rem); margin-bottom: 1.5rem; }
.goal-content p { color: var(--text-muted); font-size: 1.8rem; }



@media (max-width: 768px) {
    .timeline-nav { flex-wrap: wrap; }
    .impact-section .container { grid-template-columns: 1fr; text-align: center; }
    .impact-stats { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
}

@media (max-width: 480px) {
    .timeline-nav { justify-content: center; }
    .timeline-year { font-size: 1.8rem; padding: 0.5rem; }
    .impact-stats { grid-template-columns: 1fr; }
    .philosophy-grid, .material-grid, .lifecycle-grid {
        grid-template-columns: 1fr;
    }
}

.projects-hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    text-align: center;
    background-color: var(--light-bg);
}

.project-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}
.filter-btn {
    background: none;
    border: 2px solid var(--medium-grey);
    color: var(--text-muted);
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-size: 1.6rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.filter-btn:hover {
    background-color: var(--medium-grey);
    color: var(--white-color);
}
.filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--dark-bg);
}
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    display: block;
    animation: scaleIn .5s ease;
}
.project-card.hide { 
    display: none; 
}
@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.project-card:hover img { 
    transform: scale(1.05); 
}
.project-card div {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 20%, transparent);
    color: var(--white-color);
}
.project-card h3 { font-size: 2rem; margin: 0 0 0.5rem 0; }
.project-card p { margin: 0; color: var(--text-muted); }
.featured-project-section { 
    background-color: var(--light-bg); 
}
.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.featured-image img { 
    width: 100%; 
    border-radius: 8px; 
}
.featured-details h2 { 
    font-size: 2.8rem; 
    margin-bottom: 2rem; 
}
.featured-details p { 
    color: var(--text-muted); 
    margin-bottom: 2rem; 
    line-height: 1.7; 
}
.featured-details ul { 
    list-style: none; 
    padding: 0; 
}
.featured-details li { 
    margin-bottom: 1rem; 
    padding-left: 2rem; 
    position: relative; 
}
.featured-details li::before { 
    content: '✓'; 
    color: var(--primary-color); 
    position: absolute; 
    left: 0; 
}

.team-section { 
    background-color: var(--dark-bg); 
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: center;
}
.team-member img {
    width: 100%;
    max-width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 2rem;
    border: 4px solid var(--medium-grey);
}
.team-member h3 { 
    font-size: 2.2rem; 
}
.team-member p { 
    color: var(--primary-color); 
    font-weight: 600; 
}

.carousel-section { 
    background-color: var(--light-bg); 
}
.carousel-wrapper { 
    position: relative; 
    max-width: 800px; 
    margin: 0 auto; 
    overflow: hidden; 
}
.carousel-track { 
    display: flex; 
    transition: transform 0.5s ease; 
}
.carousel-slide { 
    flex: 0 0 100%; 
    padding: 0 0.5rem; 
}
.carousel-slide img { 
    width: 100%; 
    border-radius: 8px; 
}
.carousel-nav {
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%);
    background-color: rgba(26, 26, 26, 0.7);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white-color);
    width: 45px; 
    height: 45px; 
    border-radius: 50%;
    font-size: 2.2rem; 
    cursor: pointer; 
    transition: background-color 0.3s ease;
}
.carousel-nav:hover:not(:disabled) { 
    background-color: var(--primary-color); 
}
.carousel-nav.prev { 
    left: 1rem; 
}
.carousel-nav.next { 
    right: 1rem; 
}
.carousel-nav:disabled { 
    opacity: 0.3; 
    cursor: not-allowed; 
}

.stats-section {
    padding: 8rem 0;
    background-image: linear-gradient(rgba(26,26,26,.8),rgba(26,26,26,.8)), url(images/68.webp);
    background-size: cover; 
    background-position: center; 
    background-attachment: fixed;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}
.stat-item .stat-number {
    font-size: clamp(4rem,6vw,7rem);
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    line-height: 1;
}
.stat-item .stat-label {
    font-size: 1.6rem;
    color: var(--text-muted);
    margin-top: .5rem;
}

.approach-section { 
    background-color: var(--light-bg); 
}
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    text-align: center;
}
.approach-item svg {
    width: 50px;
    height: 50px;
    fill: var(--primary-color);
    margin-bottom: 1.5rem;
}
.approach-item h3 { 
    font-size: 2.2rem; 
    margin-bottom: 1rem; 
}
.approach-item p { 
    color: var(--text-muted); 
}


@media (max-width: 768px) {
    .featured-grid { 
        grid-template-columns: 1fr; 
    }
    .featured-image { 
        margin-bottom: 3rem; 
    }
}

@media (max-width: 480px) {
    .filter-btn { 
        flex-grow: 1; 
    }
    .project-grid { 
        grid-template-columns: 1fr; 
    }
    .team-grid {
        gap: 4rem;
    }
}


.support-hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    text-align: center;
}

.contact-info-section { 
    background-color: var(--light-bg); 
}
.contact-info-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr; 
    gap: 0; 
    align-items: stretch;
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--medium-grey);
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
}
.contact-image-wrapper {
    height: 100%;
}
.contact-image-wrapper iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}
.contact-details-wrapper {
    padding: 3rem; 
}
.contact-details-wrapper h3 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}
.contact-details-wrapper > p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}
.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.contact-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
    margin-top: 4px;
}
.contact-detail-item .contact-label {
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}
.contact-detail-item a {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--white-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
.contact-detail-item a:hover {
    color: var(--primary-color);
}
.business-hours {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: var(--text-muted);
}

.help-topics-section { background-color: var(--dark-bg); }
.topics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.topic-item { background-color: var(--medium-grey); padding: 2.5rem; border-radius: 8px; border-left: 4px solid var(--primary-color); }
.topic-item h4 { font-size: 2rem; margin-bottom: 1rem; }
.topic-item p { color: var(--text-muted); }

.faq-section { background-color: var(--light-bg); }
.faq-container{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}
.faq-item{background-color:var(--medium-grey);border-radius:8px;border:1px solid #444}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:2rem;font-size:1.8rem;font-weight:600;cursor:pointer;list-style:none;text-align:left}
.faq-question::-webkit-details-marker{display:none}
.faq-question::after{content:'+';font-size:3rem;transition:transform .3s ease;transform:rotate(0)}
.faq-item[open] .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 2rem 2rem;color:var(--text-muted);line-height:1.7;text-align:left}

.resource-hub-section { background-color: var(--dark-bg); }
.resource-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3rem; }
.resource-card { display: block; text-decoration: none; background-color: var(--medium-grey); padding: 3rem; border-radius: 8px; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.resource-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.resource-card h3 { font-size: 2.2rem; color: var(--white-color); margin-bottom: 1rem; }
.resource-card p { color: var(--text-muted); line-height: 1.7; }

.promise-section {
    padding: 10rem 0;
    background-image: linear-gradient(rgba(26,26,26,.8),rgba(26,26,26,.8)), url(images/68.webp);
    background-size: cover; background-position: center; background-attachment: fixed; text-align: center;
}
.promise-content h2 { font-size: clamp(2.8rem, 4vw, 4rem); margin-bottom: 2rem; }
.promise-content p { font-size: 1.8rem; max-width: 70ch; margin: 0 auto; color: var(--text-muted); line-height: 1.8; }

.guarantee-section { background-color: var(--light-bg); }
.guarantee-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3rem; text-align: center; }
.guarantee-item { padding: 2rem; }
.guarantee-item svg { width: 50px; height: 50px; fill: var(--primary-color); margin-bottom: 1.5rem; }
.guarantee-item h3 { font-size: 2.2rem; margin-bottom: 1rem; color: var(--primary-color); }
.guarantee-item p { color: var(--text-muted); }


@media (max-width: 768px) {
    .contact-info-grid {
        grid-template-columns: 1fr; 
    }
    .contact-image-wrapper {
        height: 300px; 
    }
    .contact-details-wrapper {
        padding: 3rem 2rem; 
    }
}

@media (max-width: 480px) {
    section { padding: 6rem 0; }
    .page-title { font-size: 2.8rem; }
    .section-title { margin-bottom: 4rem; }
    .page-subtitle { font-size: 1.6rem; }
    .contact-info-grid {
        border-radius: 0;
    }
    .contact-details-wrapper {
        padding: 3rem 1.5rem;
    }
}


.policy-hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    text-align: center;
    background-color: var(--light-bg);
}

.policy-content-section {
    padding-top: 4rem; 
    padding-bottom: 8rem;
}

.policy-container {
    max-width: 800px;
    margin: 0 auto;
}

.policy-container h2 {
    font-size: 2.8rem;
    color: var(--white-color);
    margin-top: 4rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--medium-grey);
}

.policy-container h3 {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.policy-container p, .policy-container li {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.policy-container ul {
    list-style-position: inside;
    padding-left: 1rem;
}

.policy-container a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.policy-container a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .policy-container h2 {
        font-size: 2.4rem;
    }
    .policy-container h3 {
        font-size: 2rem;
    }
}

.thank-you-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.thank-you-container {
    max-width: 600px;
    padding: var(--container-padding);
}

.thank-you-icon {
    margin-bottom: 2rem;
}

.thank-you-icon svg {
    width: 80px;
    height: 80px;
    fill: var(--primary-color);
}

.thank-you-container h1 {
    font-size: clamp(3rem, 5vw, 4.2rem);
    color: var(--white-color);
    margin-bottom: 1.5rem;
}

.thank-you-container p {
    font-size: 1.8rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.thank-you-container .cta-button {
    display: inline-block;
    width: auto;
}
.advanced-topics-section {
    background-color: var(--dark-bg); 
}