:root{
  --orange:#ef7608;
  --ink:#1d1d1b;
  --muted:#696b68;
  --line:#deded9;
  --canvas:#f7f7f3;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:'DM Sans',sans-serif;
  font-size:16px;
}
body.no-scroll{overflow:hidden}
a{transition:opacity .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease}
.site-header{
  height:92px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 clamp(24px,5vw,84px);
  border-bottom:1px solid rgba(0,0,0,.07);
  position:sticky;
  top:0;
  z-index:50;
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{height:78px;box-shadow:0 12px 30px rgba(0,0,0,.06)}
.brand{
  color:var(--ink);
  text-decoration:none;
  font-family:Manrope,sans-serif;
  font-weight:800;
  letter-spacing:.14em;
  font-size:1.05rem;
  display:flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.brand-mark{color:var(--orange);font-size:1.65rem;line-height:0;letter-spacing:-.16em;margin-right:2px;font-weight:700}
.brand small{color:var(--orange);font-size:.48rem;letter-spacing:.22em;align-self:flex-end;margin:0 0 3px 1px}
.desktop-nav{display:flex;gap:clamp(18px,2.8vw,42px);align-items:center}
.desktop-nav a,footer a{color:var(--ink);text-decoration:none;font-size:.86rem;font-weight:500}
.desktop-nav a:hover{color:var(--orange)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-cta{background:var(--ink);color:#fff;padding:14px 19px;text-decoration:none;font-size:.82rem;font-weight:700}
.header-cta:hover{background:var(--orange)}
.header-cta span{margin-left:7px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:6px;cursor:pointer}
.menu-toggle span{width:18px;height:2px;background:var(--ink);display:block;transition:transform .25s ease}
.mobile-menu{display:none}

.eyebrow{font-size:.7rem;letter-spacing:.16em;font-weight:700;color:#777;display:flex;gap:9px;align-items:center;margin:0 0 20px}
.eyebrow i{width:27px;height:2px;background:var(--orange);display:block}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;padding:16px 20px;font-size:.84rem;font-weight:700;border:0;cursor:pointer}
.primary{background:var(--orange);color:#fff}
.primary:hover{background:#d96806}
.ghost{border:1px solid rgba(29,29,27,.55);color:var(--ink);background:rgba(255,255,255,.25)}
.ghost:hover{background:var(--ink);color:#fff}
.dark{background:var(--ink);color:#fff}
.dark:hover{background:#000}
.outline{border:1px solid var(--ink);color:var(--ink);width:max-content}
.outline:hover{background:var(--ink);color:#fff}
.text-link{color:var(--ink);font-size:.84rem;font-weight:700;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:4px}

.hero.hero-slider{height:min(780px,calc(100vh - 92px));min-height:620px;display:block;position:relative;background:#1d1d1b;overflow:hidden}
.hero-slider .slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease,visibility .8s ease;background:center/cover no-repeat}
.hero-slider .slide.active{opacity:1;visibility:visible}
.hero-slider .slide-one{background-image:url('assets/alvion-hero.png')}
.hero-slider .slide-two{background-image:url('assets/showcase/alvion-daylight.jpeg');background-position:70% center;filter:saturate(.9)}
.hero-slider .slide-four{background-image:url('assets/showcase/alvion-panorama.jpeg');background-position:68% center}
.slide-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.92) 30%,rgba(255,255,255,.34) 55%,rgba(0,0,0,.08) 100%)}
.hero-slider .hero-copy{position:relative;z-index:1;width:min(700px,58vw);height:100%;padding:clamp(90px,10vw,150px) clamp(28px,8vw,150px);display:flex;justify-content:center;flex-direction:column}
.hero h1,.intro h2,.systems h2,.project h2,.contact h2,.dealer h2,.advantages h2,.faq h2{
  font-family:Manrope,sans-serif;
  letter-spacing:-.06em;
  margin:0;
}
.hero h1{font-size:clamp(3.2rem,5.8vw,6rem);line-height:.96}
.hero h1 em{color:var(--orange);font-style:normal}
.hero-text{max-width:480px;color:var(--muted);line-height:1.75;margin:30px 0}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.slider-ui{position:absolute;z-index:2;bottom:0;left:0;right:0;padding:22px clamp(28px,8vw,150px);display:flex;align-items:center;color:var(--ink);background:rgba(255,255,255,.92);backdrop-filter:blur(10px)}
.slider-dots{display:flex;gap:8px}
.slider-dots button{width:44px;height:2px;border:0;background:#c9c9c4;padding:0;cursor:pointer}
.slider-dots button.active{background:var(--orange)}
.slider-arrows{display:flex;gap:7px;margin-left:auto}
.slider-arrows button{border:1px solid #d2d2ce;background:transparent;width:36px;height:36px;cursor:pointer;color:var(--ink)}

.intro{padding:120px clamp(24px,9vw,170px);display:grid;grid-template-columns:.8fr 1.5fr;gap:60px;background:#fff}
.intro h2{font-size:clamp(2.5rem,4.4vw,4.7rem);line-height:1}
.intro div p{color:var(--muted);max-width:500px;line-height:1.75;margin:30px 0 0}

.systems{background:#ecece6;padding:110px clamp(24px,6vw,112px)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px}
.systems h2{font-size:clamp(2.5rem,4.5vw,4.8rem);line-height:1}
.system-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#c8c8c2;margin-top:64px;border:1px solid #c8c8c2}
.system-grid article{background:#f4f4ef;min-width:0}
.system-media{height:250px;background:
  linear-gradient(180deg,transparent 55%,rgba(0,0,0,.12)),
  url('assets/alvion-hero.png') center/cover;
  transition:transform .4s ease,filter .4s ease;
}
.system-grid article:nth-child(2) .system-media{background-position:68% center}
.system-grid article:nth-child(3) .system-media{background-position:35% center}
.system-grid article:hover .system-media{filter:brightness(1.06)}
.system-copy{padding:27px 28px 32px;position:relative;min-height:235px}
.system-copy>p{color:var(--orange);font-weight:700;font-size:.76rem;margin:0}
.system-grid h3{font:700 1.55rem Manrope,sans-serif;letter-spacing:-.04em;margin:38px 0 12px}
.system-grid .system-copy>span{font-size:.9rem;line-height:1.65;color:var(--muted);display:block;max-width:290px}
.system-grid a{position:absolute;right:28px;bottom:28px;color:var(--orange);font-size:1.35rem;text-decoration:none}

.project{display:grid;grid-template-columns:1.08fr .92fr;background:#fff}
.project-image{min-height:590px;background:linear-gradient(135deg,rgba(25,25,22,.14),rgba(25,25,22,.02)),url('assets/alvion-hero.png') center/cover}
.project-content{padding:clamp(70px,10vw,150px) clamp(28px,7vw,115px);display:flex;flex-direction:column;justify-content:center}
.project h2{font-size:clamp(2.7rem,4.8vw,5rem);line-height:1}
.project-content>p:not(.eyebrow){color:var(--muted);line-height:1.75;max-width:390px;margin:28px 0}

.advantages,.faq{padding:110px clamp(24px,7vw,120px);background:#fff}
.advantages h2,.faq h2{font-size:clamp(2.4rem,4.5vw,4.7rem);line-height:1;max-width:760px;margin:0 0 58px}
.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.advantage-grid article{padding:28px;border-right:1px solid var(--line);min-height:230px}
.advantage-grid article:first-child{border-left:1px solid var(--line)}
.advantage-grid b{color:var(--orange)}
.advantage-grid h3{font:700 1.18rem Manrope,sans-serif;margin:54px 0 12px}
.advantage-grid p{font-size:.88rem;line-height:1.65;color:var(--muted)}

.dealer{padding:120px clamp(24px,7vw,120px);background:var(--orange);color:#fff;display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}
.dealer .eyebrow{color:#fff}
.dealer .eyebrow i{background:var(--ink)}
.dealer h2{font-size:clamp(3.3rem,5.8vw,6rem);line-height:.93}
.dealer-copy>p:last-of-type{line-height:1.75;max-width:430px;margin:28px 0}
.dealer ul{list-style:none;margin:34px 0 0;padding:0;border-top:1px solid rgba(255,255,255,.42);max-width:430px}
.dealer li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.3);font-size:.9rem}
.dealer form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dealer label{font-size:.75rem;font-weight:700;letter-spacing:.06em}
.dealer input,.dealer select,.dealer textarea{
  display:block;width:100%;border:0;border-bottom:1px solid rgba(255,255,255,.65);
  background:transparent;padding:12px 0;color:#fff;font:400 .95rem 'DM Sans',sans-serif;outline:0
}
.dealer input:focus,.dealer select:focus,.dealer textarea:focus{border-bottom-color:#fff}
.dealer input::placeholder,.dealer textarea::placeholder{color:rgba(255,255,255,.72)}
.dealer select option{color:#222}
.dealer textarea{min-height:85px;resize:vertical}
.dealer .full{grid-column:1/-1}
.dealer .consent{display:flex;align-items:flex-start;gap:10px;text-transform:none;letter-spacing:0;font-weight:400;line-height:1.45}
.dealer .consent input{width:16px;min-width:16px;margin-top:1px}
.form-message{grid-column:1/-1;margin:0;font-weight:700;line-height:1.5}

.faq{background:#f0f0eb}
.faq details{border-top:1px solid #cfcfca;max-width:900px;padding:23px 0}
.faq details:last-child{border-bottom:1px solid #cfcfca}
.faq summary{cursor:pointer;font:600 1.08rem Manrope,sans-serif;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{color:var(--orange);font-size:1.4rem}
.faq details p{max-width:650px;color:var(--muted);line-height:1.75;margin:15px 0 0}

.contact{padding:120px clamp(24px,9vw,170px);background:var(--ink);color:#fff;display:flex;justify-content:space-between;gap:50px;align-items:end}
.contact .eyebrow{color:#fff}
.contact .eyebrow i{background:var(--orange)}
.contact h2{font-size:clamp(3.6rem,6.2vw,6.6rem);line-height:.94}
.contact-actions{display:flex;flex-direction:column;align-items:flex-end;gap:24px}
.contact-mail{color:#fff;text-decoration:none;font:600 clamp(1.2rem,2vw,2rem) Manrope,sans-serif;border-bottom:1px solid #fff;padding-bottom:8px}
.contact-button{background:var(--orange);color:#fff}

footer{
  padding:54px clamp(24px,5vw,84px);
  background:#111;
  display:grid;
  grid-template-columns:1.4fr repeat(3,1fr);
  gap:36px;
  color:#9d9d99;
}
footer .brand{color:#fff;align-self:start}
footer>div{display:flex;flex-direction:column;gap:10px}
footer b{font-size:.72rem;letter-spacing:.12em;color:#777;margin-bottom:5px}
footer a{color:#fff}
footer p{grid-column:1/-1;border-top:1px solid #2b2b29;padding-top:25px;margin:5px 0 0;font-size:.78rem;line-height:1.6}

@media(max-width:1040px){
  .desktop-nav{display:none}
  .menu-toggle{display:flex}
  .header-cta{display:none}
  .mobile-menu{
    display:flex;
    position:fixed;
    top:92px;
    left:0;
    right:0;
    height:calc(100vh - 92px);
    background:#fff;
    padding:38px 24px 30px;
    flex-direction:column;
    justify-content:space-between;
    transform:translateY(-120%);
    opacity:0;
    pointer-events:none;
    transition:transform .35s ease,opacity .35s ease;
    border-top:1px solid var(--line);
  }
  .site-header.scrolled .mobile-menu{top:78px;height:calc(100vh - 78px)}
  .menu-open .mobile-menu{transform:translateY(0);opacity:1;pointer-events:auto}
  .mobile-menu nav{display:flex;flex-direction:column}
  .mobile-menu nav a{font:700 clamp(1.7rem,4vw,2.4rem) Manrope,sans-serif;color:var(--ink);text-decoration:none;padding:13px 0;border-bottom:1px solid var(--line)}
  .menu-open .menu-toggle span:first-child{transform:translateY(4px) rotate(45deg)}
  .menu-open .menu-toggle span:last-child{transform:translateY(-4px) rotate(-45deg)}
}

@media(max-width:760px){
  .site-header{height:74px;padding:0 20px}
  .site-header.scrolled{height:68px}
  .brand{font-size:.96rem}
  .mobile-menu{top:74px;height:calc(100vh - 74px)}
  .site-header.scrolled .mobile-menu{top:68px;height:calc(100vh - 68px)}

  .hero.hero-slider{height:690px;min-height:0}
  .hero-slider .hero-copy{width:100%;padding:78px 24px 118px}
  .slide-shade{background:linear-gradient(90deg,rgba(255,255,255,.97),rgba(255,255,255,.7),rgba(255,255,255,.3))}
  .hero h1{font-size:clamp(3rem,14vw,4.5rem)}
  .hero-text{max-width:350px}
  .hero-actions{align-items:stretch}
  .hero-actions .button{width:100%}
  .slider-ui{padding:16px 24px}
  .slider-dots button{width:30px}

  .intro{grid-template-columns:1fr;padding:80px 24px;gap:26px}
  .section-heading{align-items:flex-start;flex-direction:column}
  .systems{padding:80px 24px}
  .system-grid{grid-template-columns:1fr;margin-top:42px}
  .system-media{height:240px}

  .project{grid-template-columns:1fr}
  .project-image{min-height:390px}
  .project-content{padding:76px 24px}

  .advantages,.faq{padding:80px 24px}
  .advantage-grid{grid-template-columns:1fr 1fr}
  .advantage-grid article:nth-child(odd){border-left:1px solid var(--line)}
  .advantage-grid article{min-height:205px;padding:22px}

  .dealer{grid-template-columns:1fr;gap:52px;padding:82px 24px}
  .dealer form{grid-template-columns:1fr}
  .dealer .full{grid-column:auto}
  .dealer .dark{width:100%}

  .contact{padding:88px 24px;display:block}
  .contact-actions{align-items:flex-start;margin-top:42px}
  .contact h2{font-size:clamp(3.3rem,16vw,5rem)}

  footer{grid-template-columns:1fr 1fr;padding:48px 24px}
  footer .brand{grid-column:1/-1;margin-bottom:8px}
}

@media(max-width:480px){
  .advantage-grid{grid-template-columns:1fr}
  .advantage-grid article,.advantage-grid article:nth-child(odd){border-left:1px solid var(--line)}
  footer{grid-template-columns:1fr}
  footer .brand,footer p{grid-column:auto}
}

/* Multi-page architecture */
.page-hero{padding:clamp(90px,12vw,165px) clamp(24px,9vw,170px);background:#fff;border-bottom:1px solid var(--line)}
.page-hero h1,.product-category-hero h1,.product-detail-hero h1,.dealer-page h1{font:700 clamp(3.8rem,7.4vw,7.5rem)/.92 Manrope,sans-serif;letter-spacing:-.07em;margin:0}
.page-hero>p:last-child,.product-category-hero>div>p:last-of-type,.product-detail-hero>div>p{max-width:590px;color:var(--muted);line-height:1.75;margin:28px 0 0}
.category-grid{display:grid;grid-template-columns:1fr 1fr;padding:0 clamp(24px,6vw,112px) 110px;background:#fff}
.category-card{display:grid;grid-template-columns:50px 1fr auto;gap:20px;align-items:start;padding:42px 30px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.category-card:nth-child(odd){border-right:1px solid var(--line)}
.category-card>span{color:var(--orange);font-weight:700;font-size:.75rem}
.category-card h2{font:700 clamp(1.45rem,2.1vw,2rem) Manrope,sans-serif;letter-spacing:-.04em;margin:0 0 10px}
.category-card p{color:var(--muted);line-height:1.65;margin:0;max-width:420px}
.category-card>b{color:var(--orange);font-size:1.35rem}
.category-card:hover{background:#f2f2ed}
.dark-cta{background:var(--ink);color:#fff;padding:90px clamp(24px,7vw,120px);display:flex;align-items:end;justify-content:space-between;gap:40px}
.dark-cta .eyebrow{color:#aaa}.dark-cta h2{font:700 clamp(2.3rem,4vw,4.4rem)/1 Manrope,sans-serif;letter-spacing:-.06em;max-width:780px;margin:0}
.product-category-hero,.product-detail-hero{display:grid;grid-template-columns:1fr 1fr;min-height:640px;background:#fff}
.product-category-hero>div:first-child,.product-detail-hero>div:last-child{padding:clamp(70px,9vw,140px) clamp(24px,7vw,110px);display:flex;flex-direction:column;justify-content:center}
.page-image{background:linear-gradient(135deg,rgba(0,0,0,.06),rgba(0,0,0,.2)),url('assets/alvion-hero.png') center/cover;min-height:360px}
.page-image.alt{background-position:68% center;filter:saturate(.82)}
.product-list{padding:90px clamp(24px,7vw,120px);background:#ecece6}
.product-list article{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:34px 0;border-top:1px solid #c8c8c2}
.product-list article:last-child{border-bottom:1px solid #c8c8c2}
.product-list span,.feature-strip span,.process span{color:var(--orange);font-size:.75rem;font-weight:700}
.product-list h2{font:700 clamp(1.8rem,3vw,3rem) Manrope,sans-serif;letter-spacing:-.05em;margin:8px 0}
.product-list p{color:var(--muted);margin:0;line-height:1.65}
.split-copy{display:grid;grid-template-columns:1fr 1fr;background:#fff}
.split-copy>div:not(.page-image){padding:90px clamp(24px,7vw,110px);display:flex;flex-direction:column;justify-content:center}
.split-copy h2{font:700 clamp(2.4rem,4vw,4.5rem)/1 Manrope,sans-serif;letter-spacing:-.06em;margin:0}
.split-copy p{color:var(--muted);line-height:1.75}
.product-detail-hero .button{width:max-content;margin-top:30px}
.feature-strip,.process{display:grid;grid-template-columns:repeat(3,1fr);padding:0 clamp(24px,7vw,120px);background:#ecece6}
.feature-strip article,.process article{padding:54px 30px;border-right:1px solid #c8c8c2;min-height:250px}
.feature-strip article:first-child,.process article:first-child{border-left:1px solid #c8c8c2}
.feature-strip h3,.process h3{font:700 1.35rem Manrope,sans-serif;margin:55px 0 10px}
.feature-strip p,.process p{color:var(--muted);line-height:1.65}
.spec-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:100px clamp(24px,7vw,120px);background:#fff}
.spec-section h2{font:700 clamp(2.5rem,4vw,4.5rem) Manrope,sans-serif;margin:0;letter-spacing:-.06em}
.spec-section dl{margin:0}.spec-section dl>div{display:grid;grid-template-columns:1fr 1fr;padding:20px 0;border-top:1px solid var(--line)}.spec-section dl>div:last-child{border-bottom:1px solid var(--line)}.spec-section dt{font-weight:700}.spec-section dd{margin:0;color:var(--muted)}
.project-gallery{padding:30px clamp(24px,6vw,112px) 110px;background:#fff;display:grid;grid-template-columns:1fr 1fr;gap:30px}
.gallery-card{color:var(--ink);text-decoration:none}.gallery-card.wide{grid-column:1/-1}.gallery-card .page-image{min-height:420px}.gallery-card.wide .page-image{min-height:600px}.gallery-card span{font-size:.72rem;color:var(--orange);font-weight:700;display:block;margin-top:18px}.gallery-card h2{font:700 clamp(1.5rem,2.5vw,2.5rem) Manrope,sans-serif;letter-spacing:-.04em;margin:7px 0}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;padding:0 clamp(24px,6vw,112px) 110px;background:#fff}
.solution-grid article{padding:60px 40px;border-top:1px solid var(--line)}.solution-grid article:nth-child(odd){border-right:1px solid var(--line)}.solution-grid h2{font:700 clamp(2rem,3vw,3.2rem) Manrope,sans-serif;letter-spacing:-.05em;margin:0}.solution-grid p{color:var(--muted);line-height:1.7;max-width:420px}.solution-grid a{color:var(--orange);text-decoration:none;font-weight:700}
.catalog-list{padding:0 clamp(24px,7vw,120px) 110px;background:#fff}.catalog-list article{display:grid;grid-template-columns:180px 1fr 1fr auto;gap:30px;align-items:center;padding:34px 0;border-top:1px solid var(--line)}.catalog-list article:last-child{border-bottom:1px solid var(--line)}.catalog-list>article>span{font-size:.72rem;color:var(--orange);font-weight:700}.catalog-list h2{font:700 1.5rem Manrope,sans-serif;margin:0}.catalog-list p{color:var(--muted);line-height:1.6;margin:0}
.values{display:grid!important;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);padding:0!important}.values>div{background:#f4f4ef;padding:35px}.values b{color:var(--orange)}.values h3{font:700 1.1rem Manrope,sans-serif;margin:50px 0 0}
.dealer-page{padding:100px clamp(24px,7vw,120px);background:var(--orange);color:#fff;display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}
.dealer-page .eyebrow{color:#fff}.dealer-page .eyebrow i{background:var(--ink)}.dealer-page>div>p{line-height:1.75;max-width:440px}.dealer-page ul{padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.45);max-width:440px}.dealer-page li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.3)}
.dealer-page form,.light-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dealer-page label,.light-form label{font-size:.75rem;font-weight:700;letter-spacing:.05em}.dealer-page input,.dealer-page select,.dealer-page textarea{display:block;width:100%;background:transparent;color:#fff;border:0;border-bottom:1px solid rgba(255,255,255,.65);padding:12px 0;font:400 .95rem 'DM Sans',sans-serif}.dealer-page select option{color:#222}.dealer-page textarea,.light-form textarea{min-height:100px;resize:vertical}.dealer-page .full,.light-form .full{grid-column:1/-1}.dealer-page .consent{display:flex;gap:10px;align-items:flex-start;letter-spacing:0;font-weight:400}.dealer-page .consent input{width:16px;min-width:16px}
.contact-page{padding:0 clamp(24px,7vw,120px) 110px;background:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.contact-info article{padding:26px 0;border-top:1px solid var(--line)}.contact-info article:last-child{border-bottom:1px solid var(--line)}.contact-info span{display:block;color:var(--orange);font-size:.7rem;font-weight:700;margin-bottom:8px}.contact-info a{font:600 clamp(1.2rem,2vw,1.8rem) Manrope,sans-serif;color:var(--ink);text-decoration:none}.contact-info p{color:var(--muted);margin:0}
.light-form input,.light-form select,.light-form textarea{display:block;width:100%;background:transparent;color:var(--ink);border:0;border-bottom:1px solid #bbb;padding:12px 0;font:400 .95rem 'DM Sans',sans-serif}.light-form .form-message{color:var(--ink)}

@media(max-width:760px){
 .category-grid,.solution-grid,.project-gallery{grid-template-columns:1fr}
 .category-card:nth-child(odd),.solution-grid article:nth-child(odd){border-right:0}
 .product-category-hero,.product-detail-hero,.split-copy,.spec-section,.dealer-page,.contact-page{grid-template-columns:1fr}
 .product-category-hero .page-image,.product-detail-hero .page-image{order:-1;min-height:380px}
 .product-list article{align-items:flex-start;flex-direction:column}
 .feature-strip,.process{grid-template-columns:1fr;padding:0 24px}
 .feature-strip article,.process article,.feature-strip article:first-child,.process article:first-child{border-left:1px solid #c8c8c2;border-right:1px solid #c8c8c2;border-bottom:1px solid #c8c8c2}
 .spec-section{gap:35px;padding:75px 24px}
 .project-gallery .gallery-card.wide{grid-column:auto}.gallery-card.wide .page-image,.gallery-card .page-image{min-height:350px}
 .catalog-list article{grid-template-columns:1fr;gap:12px}
 .dealer-page{padding:80px 24px;gap:50px}.dealer-page form,.light-form{grid-template-columns:1fr}.dealer-page .full,.light-form .full{grid-column:auto}
 .contact-page{padding:0 24px 80px;gap:50px}
 .dark-cta{align-items:flex-start;flex-direction:column}
}

/* Albert Genau-inspired information architecture: Alvion original UI */
.desktop-nav{gap:clamp(12px,1.55vw,25px)}
.desktop-nav>a,.nav-trigger{font-size:.8rem!important}
.nav-item{display:flex;align-items:center;height:100%}
.nav-trigger{display:flex;align-items:center;gap:5px;color:var(--ink);text-decoration:none;font-weight:500}
.nav-trigger span{font-size:.7rem;color:var(--orange)}
.mini-contact{color:var(--ink);font-size:.78rem;font-weight:600;text-decoration:none}
.mega-menu{
  position:absolute;top:100%;left:clamp(24px,5vw,84px);right:clamp(24px,5vw,84px);
  background:#fff;border-top:1px solid var(--line);box-shadow:0 24px 45px rgba(0,0,0,.12);
  display:grid;grid-template-columns:.72fr 1.65fr .63fr;gap:0;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.24s ease;
  pointer-events:none;z-index:80;min-height:430px
}
.has-mega:hover .mega-menu,.has-mega:focus-within .mega-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-intro{padding:42px;background:#f2f2ed;display:flex;flex-direction:column}
.mega-kicker{font-size:.68rem;letter-spacing:.16em;color:var(--orange);font-weight:700;margin:0 0 22px}
.mega-intro h3{font:700 clamp(2rem,3vw,3.1rem)/.98 Manrope,sans-serif;letter-spacing:-.06em;margin:0}
.mega-intro>p:not(.mega-kicker){font-size:.86rem;line-height:1.65;color:var(--muted);margin:20px 0}
.mega-all{margin-top:auto;color:var(--ink);font-weight:700;text-decoration:none;font-size:.82rem}
.mega-products{display:grid;grid-template-columns:1fr 1fr;padding:22px}
.mega-products a{padding:19px 20px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;display:grid;grid-template-columns:34px 1fr;gap:3px 9px}
.mega-products a:nth-child(odd){border-right:1px solid var(--line)}
.mega-products a:hover{background:#f8f8f5}
.mega-products span{grid-row:1/3;color:var(--orange);font-size:.7rem;font-weight:700}
.mega-products strong{font:600 .92rem Manrope,sans-serif}
.mega-products small{color:var(--muted);font-size:.74rem}
.mega-side{display:grid;grid-template-rows:1fr 1fr}
.mega-feature{padding:34px 28px;background:var(--ink);color:#fff;text-decoration:none;display:flex;flex-direction:column;justify-content:flex-end;gap:9px}
.mega-feature.secondary{background:var(--orange)}
.mega-feature b{font:700 1.3rem Manrope,sans-serif}
.mega-feature span{font-size:.78rem;line-height:1.5}

.home-solution-intro{padding:110px clamp(24px,8vw,150px) 58px;background:#fff;display:grid;grid-template-columns:.7fr 1.4fr;gap:70px}
.home-solution-intro h2,.outdoor-heading h2,.signature-copy h2,.finder-copy h2,.dealer-teaser h2{
  font:700 clamp(2.7rem,4.8vw,5rem)/.98 Manrope,sans-serif;letter-spacing:-.065em;margin:0
}
.home-solution-intro>div>p{max-width:560px;color:var(--muted);line-height:1.75;margin:25px 0 0}
.home-primary-products{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;padding:0 clamp(24px,6vw,112px) 110px;gap:2px}
.home-product-card{background:#efefe9;color:var(--ink);text-decoration:none;overflow:hidden}
.home-product-image{height:340px;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.18)),url('assets/alvion-hero.png') center/cover;transition:transform .5s ease}
.home-product-card:hover .home-product-image{transform:scale(1.025)}
.home-product-image.image-b{background-position:68% center}.home-product-image.image-c{background-position:35% center}
.home-product-copy{padding:28px 28px 32px;min-height:245px;display:flex;flex-direction:column}
.home-product-copy>span,.outdoor-card>span,.featured-grid>a>span{font-size:.68rem;letter-spacing:.12em;color:var(--orange);font-weight:700}
.home-product-copy h3,.outdoor-card h3,.featured-grid h3{font:700 clamp(1.6rem,2.4vw,2.3rem) Manrope,sans-serif;letter-spacing:-.05em;margin:32px 0 10px}
.home-product-copy p{color:var(--muted);line-height:1.6;margin:0 0 24px}
.home-product-copy b{margin-top:auto;font-size:.78rem}

.outdoor-living{padding:110px clamp(24px,7vw,120px);background:#ecece6}
.outdoor-heading{display:grid;grid-template-columns:.75fr 1.25fr;column-gap:70px;align-items:start}
.outdoor-heading .eyebrow{grid-row:1/3}.outdoor-heading>p:last-child{color:var(--muted);line-height:1.75;max-width:600px}
.outdoor-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-top:64px}
.outdoor-card{background:#fff;color:var(--ink);text-decoration:none;padding-bottom:30px}
.outdoor-card .page-image{min-height:390px;margin-bottom:24px}
.outdoor-card>span,.outdoor-card h3,.outdoor-card>b{margin-left:28px;margin-right:28px}
.outdoor-card h3{margin-top:12px;max-width:480px}.outdoor-card>b{font-size:.78rem}

.signature-system{display:grid;grid-template-columns:1.08fr .92fr;background:#fff}
.signature-media{min-height:620px;background:linear-gradient(135deg,rgba(0,0,0,.15),rgba(0,0,0,.02)),url('assets/alvion-hero.png') center/cover}
.signature-copy{padding:90px clamp(28px,7vw,115px);display:flex;flex-direction:column;justify-content:center}
.signature-copy>p:not(.eyebrow){color:var(--muted);line-height:1.75;max-width:450px;margin:28px 0}
.signature-copy .button{width:max-content}

.finder-section{padding:110px clamp(24px,7vw,120px);background:var(--orange);color:#fff;display:grid;grid-template-columns:.78fr 1.22fr;gap:80px}
.finder-copy .eyebrow{color:#fff}.finder-copy .eyebrow i{background:var(--ink)}
.finder-copy>p:last-child{line-height:1.7;max-width:440px}
.finder-box{background:#fff;color:var(--ink);padding:42px;min-height:430px;display:flex;flex-direction:column;justify-content:center}
.finder-step{display:none}.finder-step.active{display:block}
.finder-step>span,.finder-result>span{font-size:.7rem;color:var(--orange);font-weight:700;letter-spacing:.12em}
.finder-step h3,.finder-result h3{font:700 clamp(1.8rem,3vw,3rem)/1.05 Manrope,sans-serif;letter-spacing:-.05em;margin:22px 0 30px;max-width:600px}
.finder-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.finder-options button{padding:20px 15px;background:#f1f1ec;border:1px solid #dddcd6;font:600 .84rem 'DM Sans',sans-serif;cursor:pointer;text-align:left}
.finder-options button:hover{border-color:var(--orange);background:#fff5eb}
.finder-result{display:none}.finder-result.active{display:block}
.finder-result p{color:var(--muted);line-height:1.65;max-width:560px;margin:0 0 26px}
.finder-reset{margin-left:12px;border:0;background:transparent;text-decoration:underline;cursor:pointer;color:var(--muted)}

.featured-products{padding:110px clamp(24px,6vw,112px);background:#f7f7f3}
.featured-products .systems h2{margin:0}
.featured-products .section-heading h2{font:700 clamp(2.6rem,4.5vw,4.8rem)/1 Manrope,sans-serif;letter-spacing:-.06em;margin:0}
.featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:55px}
.featured-grid>a{color:var(--ink);text-decoration:none}
.featured-thumb{height:280px;background:url('assets/alvion-hero.png') center/cover;margin-bottom:20px}
.featured-thumb.b{background-position:35% center}.featured-thumb.c{background-position:68% center}.featured-thumb.d{filter:saturate(.78)}
.featured-grid h3{font-size:1.3rem;margin:10px 0 6px}.featured-grid p{color:var(--muted);font-size:.78rem;margin:0}

.dealer-teaser{padding:100px clamp(24px,8vw,150px);background:var(--orange);color:#fff;display:flex;justify-content:space-between;align-items:end;gap:50px}
.dealer-teaser .eyebrow{color:#fff}.dealer-teaser .eyebrow i{background:var(--ink)}
.dealer-teaser>div>p:last-child{line-height:1.7;max-width:600px}
.dealer-teaser .dark{white-space:nowrap}

@media(max-width:1180px){
  .desktop-nav{display:none}.menu-toggle{display:flex}.header-cta{display:none}.mini-contact{display:none}
}
@media(max-width:760px){
  .home-solution-intro,.outdoor-heading,.finder-section{grid-template-columns:1fr;gap:28px}
  .home-solution-intro{padding:80px 24px 40px}
  .home-primary-products,.outdoor-grid,.featured-grid{grid-template-columns:1fr}
  .home-primary-products{padding:0 24px 80px;gap:18px}.home-product-image{height:300px}
  .outdoor-living{padding:80px 24px}.outdoor-heading .eyebrow{grid-row:auto}.outdoor-grid{margin-top:40px;gap:18px}
  .signature-system{grid-template-columns:1fr}.signature-media{min-height:400px}.signature-copy{padding:75px 24px}
  .finder-section{padding:80px 24px}.finder-box{padding:28px 22px;min-height:440px}.finder-options{grid-template-columns:1fr}
  .featured-products{padding:80px 24px}.featured-grid{gap:36px}.featured-thumb{height:310px}
  .dealer-teaser{padding:80px 24px;display:block}.dealer-teaser .button{margin-top:28px;width:100%}
}