:root{
  --navy:#0a1b30;
  --navy-2:#0f2a47;
  --ink:#0d2038;
  --sky:#6cc3ee;
  --blue:#4a9ccc;
  --mist:#f4f7fa;
  --line:#dfe6ee;
  --muted:#5d6b7c;
  --serif:'Newsreader',Georgia,serif;
  --sans:'Montserrat',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}

h1,h2{font-family:var(--serif);font-weight:300;line-height:1.08;letter-spacing:-.01em}
h1 em,h2 em{font-style:normal;color:var(--sky)}
h3{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{font-size:.72rem;font-weight:500;letter-spacing:.3em;text-transform:uppercase;margin-bottom:22px}
.eyebrow-blue{color:var(--blue)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;font:600 .72rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;border:1px solid transparent;transition:.2s}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}
.btn-sky{background:var(--sky);color:var(--navy)}
.btn-sky:hover{background:#8dd3f5}
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-row{display:flex;gap:16px;flex-wrap:wrap}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:98px}
.logo img{height:84px;width:auto}
.nav{display:flex;align-items:center;gap:44px;font-size:.78rem;font-weight:500}
.nav a:not(.btn){padding:6px 0;border-bottom:2px solid transparent}
.nav a.active,.nav a:not(.btn):hover{border-color:var(--blue)}
.nav-cta{margin-left:20px;padding:20px 32px}
.has-sub{position:relative;padding:14px 0}
.sub{display:none;position:absolute;top:100%;left:-18px;min-width:210px;background:#fff;padding:8px 0;box-shadow:0 14px 30px rgba(10,27,48,.16);border-top:2px solid var(--blue);z-index:60}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.nav .sub a:not(.btn){display:block;padding:11px 20px;border-bottom:0;white-space:nowrap}
.nav .sub a:not(.btn):hover,.nav .sub a.active{background:var(--mist);border-color:transparent;color:var(--blue)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px}
.nav-toggle span{display:block;height:2px;background:var(--navy)}

/* hero */
.hero{position:relative;background:linear-gradient(100deg,#04121f,var(--navy) 60%);color:#fff;overflow:hidden;min-height:398px;display:flex;align-items:center}
.hero-img{position:absolute;inset:0 0 0 auto;width:74%;background:url(assets/hero-hd.webp) 20% center/cover;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 34%);mask-image:linear-gradient(90deg,transparent,#000 34%)}
.hero-inner{position:relative;padding:70px 0}
.hero-copy{max-width:560px}
.hero h1{font-size:clamp(2.6rem,5.2vw,4.1rem);margin-bottom:26px}
.hero h1 em{display:block}
.lead{max-width:400px;margin-bottom:34px;font-size:.98rem;line-height:1.75;color:#e3edf6}

/* trust strip */
.strip{background:var(--mist);padding:36px 0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{text-align:center;padding:6px 24px;border-left:1px solid var(--line)}
.strip-item:first-child{border-left:0}
.strip-item svg{width:44px;height:44px;margin:0 auto 14px}
.strip-item p{font-size:.85rem;color:var(--muted)}
svg{fill:none;stroke:var(--navy);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* products */
.products{padding:56px 0 64px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px}
.section-head .eyebrow{margin-bottom:12px}
.products h2{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:400}
.text-link{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;padding-bottom:6px}
.text-link:hover{color:var(--blue)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product img{width:100%;aspect-ratio:8/7;object-fit:cover;transition:.4s}
.product{overflow:hidden}
.product:hover img{transform:scale(1.04)}
.product span{display:flex;justify-content:space-between;align-items:center;padding:16px 4px 0;font-size:.9rem}
.arrow{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;font-style:normal;color:var(--navy);transition:.2s}
.product:hover .arrow{background:var(--navy);color:#fff}

/* feature band */
.feature{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.feature-img{position:absolute;top:0;bottom:0;left:38%;width:32%;background:url(assets/feature-hd.webp) center/cover;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent)}
.feature-inner{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:64px 0}
.feature h2{font-size:clamp(2rem,3.6vw,2.9rem);font-weight:400;margin-bottom:22px}
.feature-copy p:not(.eyebrow){max-width:400px;color:#cfdbe8;font-size:.92rem;margin-bottom:26px}
.feature-list{display:grid;gap:30px;justify-self:end;width:min(340px,100%)}
.feature-list li,.why-list li{display:flex;align-items:center;gap:20px}
.feature-list svg{flex:none;width:56px;height:56px;padding:13px;border:1px solid rgba(255,255,255,.45);border-radius:50%;stroke:#fff}
.feature-list h3{margin-bottom:4px;font-size:.7rem;letter-spacing:.2em}
.feature-list p{font-size:.85rem;color:#cfdbe8}

/* why */
.why{padding:60px 0 0}
.why-grid{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:48px;align-items:center;width:min(1180px,100% - 32px)}
.why h2{font-size:clamp(1.9rem,3.2vw,2.5rem);font-weight:400;margin-bottom:22px}
.why h2 em{color:var(--blue)}
.why-copy p:not(.eyebrow){color:var(--muted);font-size:.92rem;margin-bottom:34px}
.why-list{display:grid;gap:22px}
.why-list svg{flex:none;width:52px;height:52px;padding:12px;border:1px solid var(--navy);border-radius:50%}
.why-list h3{font-size:.82rem;letter-spacing:.02em;text-transform:none;font-weight:600}
.why-list p{font-size:.8rem;color:var(--muted);line-height:1.4}
.why-img{align-self:stretch;min-height:320px;background:url(assets/why-hd.webp) center/cover}
.why{padding-bottom:0}
.why-grid{padding-bottom:0}
.why-copy{padding-bottom:56px}

/* footer */
.site-footer{background:var(--navy);color:#cfdbe8}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:center;padding:48px 0 32px}
.footer-logo{height:110px;width:auto}
.site-footer h3{color:#fff;margin-bottom:8px}
.site-footer p{font-size:.88rem}
.footer-nav{display:flex;gap:26px;font-size:.78rem}
.footer-nav a:hover{color:var(--sky)}
.copy{text-align:center;padding:18px 16px;border-top:1px solid rgba(255,255,255,.1);font-size:.75rem;color:#8ea3b8}

/* responsive */
@media (max-width:980px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:98px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 16px 20px;box-shadow:0 12px 24px rgba(10,27,48,.12);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-cta{margin:16px 0 0}
  .has-sub{width:100%;padding:0}
  .sub{display:block;position:static;box-shadow:none;border-top:0;padding:0 0 0 18px;min-width:0}
  .nav .sub a:not(.btn){padding:12px 0;font-weight:400;color:var(--muted)}
  .strip-grid{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .strip-item:nth-child(3){border-left:0}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .feature-inner{grid-template-columns:1fr}
  .feature-list{justify-self:start}
  .feature-img{left:0;width:100%;opacity:.3}
  .why-grid{grid-template-columns:1fr}
  .why-img{min-height:280px}
  .why-copy{padding-bottom:0}
  .footer-inner{grid-template-columns:1fr;gap:24px}
}
@media (max-width:640px){
  .logo img{height:60px}
  .header-inner{height:82px}
  .nav{top:82px}
  .hero-img{width:100%;opacity:.35;-webkit-mask-image:none;mask-image:none}
  .section-head{flex-direction:column;align-items:flex-start}
  .strip-item{padding:6px 10px}
}

/* offer */
.offer{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:start}
.offer-main img{aspect-ratio:16/10}
.offer-main p{padding:8px 4px 0;color:var(--muted);font-size:.9rem}
.offer-hw{background:var(--mist);padding:32px}
.offer-hw>p{color:var(--muted);font-size:.9rem;margin:6px 0 20px}
.hw-list li{padding:14px 0;border-top:1px solid var(--line)}
.hw-list strong{font-size:.95rem;font-weight:600}
.hw-list span{display:block;font-size:.85rem;color:var(--muted);margin-top:6px}
.quote{max-width:520px}
.quote-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.quote-form input,.quote-form textarea{font:inherit;font-size:.88rem;padding:13px 14px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff}
.quote-form input::placeholder,.quote-form textarea::placeholder{color:#8ea3b8}
.quote-form textarea,.quote-form button{grid-column:1/-1}
.quote-form button{cursor:pointer;justify-content:center}
.footer-inner{align-items:start}
@media (max-width:980px){.offer{grid-template-columns:1fr}.quote-form{grid-template-columns:1fr}}

/* doors + hardware */
.section-sub{color:var(--muted);font-size:.92rem;margin:-12px 0 28px;max-width:560px}
.door-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.door{display:block;overflow:hidden}
.door img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--mist);padding:14px;transition:.3s}
.door:hover img{background:#e8f0f7}
.door span{display:flex;justify-content:space-between;align-items:center;padding:12px 4px 0;font-size:.82rem;letter-spacing:.06em}
.door:hover .arrow{background:var(--navy);color:#fff}
.hw-head{margin-top:72px}
.hw-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.hw{text-align:center}
.hw img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;border:1px solid var(--line);margin-bottom:12px}
.hw h3{font-size:.68rem;letter-spacing:.06em;line-height:1.4;margin-bottom:4px}
.hw p{font-size:.78rem;color:var(--muted)}
.hw-more{margin-top:28px;font-size:.92rem;color:var(--muted)}
.hw-more strong{color:var(--ink);font-weight:600}
@media (max-width:980px){.door-grid{grid-template-columns:repeat(2,1fr)}.hw-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.hw-grid{grid-template-columns:repeat(2,1fr)}}

/* inner pages */
.page-head{background:linear-gradient(100deg,#04121f,var(--navy) 60%);color:#fff;padding:72px 0}
.page-head h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:16px}
.page-head .lead{margin-bottom:0;max-width:560px}
.contact-sec{padding:56px 0 72px}
.contact-wrap{max-width:640px}
.quote-light input,.quote-light textarea{border-color:var(--line);background:#fff;color:var(--ink)}
.quote-light input::placeholder,.quote-light textarea::placeholder{color:#8593a3}
.quote-light input:focus,.quote-light textarea:focus{outline:2px solid var(--sky);border-color:transparent}
.quote-light{margin-top:0}

/* hardware catalogue */
.filters{display:grid;gap:14px;margin-bottom:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 .74rem var(--sans);letter-spacing:.06em;padding:9px 16px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--blue)}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
#q{font:inherit;font-size:.9rem;padding:13px 14px;border:1px solid var(--line);max-width:340px;width:100%}
.count{font-size:.8rem;color:var(--muted);margin-bottom:16px}
.hwx-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.hwx{border:1px solid var(--line);padding:12px 12px 16px}
.hwx[hidden]{display:none}
.hwx img{width:100%;aspect-ratio:1;object-fit:contain;margin-bottom:10px}
.hwx h3{font-size:.74rem;letter-spacing:.02em;text-transform:none;font-weight:500;line-height:1.45;margin-bottom:6px}
.hwx .code{font-size:.72rem;font-weight:600;color:var(--blue);letter-spacing:.06em}
.tag{display:inline-block;margin-top:8px;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:3px 8px}
.empty{padding:40px 0;color:var(--muted)}
.hw-cats{grid-template-columns:repeat(5,1fr)}
.hw-cats .hw{display:block;transition:.2s}
.hw-cats .hw:hover img{border-color:var(--blue)}
@media (max-width:1100px){.hwx-grid,.hw-cats{grid-template-columns:repeat(4,1fr)}}
@media (max-width:820px){.hwx-grid,.hw-cats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.hwx-grid,.hw-cats{grid-template-columns:repeat(2,1fr)}}
.contact-wrap{max-width:1000px;display:grid;grid-template-columns:1fr 1.4fr;gap:56px;align-items:start}
.contact-info h3{margin-bottom:20px}
.contact-info p{margin-bottom:18px;font-size:.92rem;color:var(--muted)}
.contact-info strong{color:var(--ink);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.contact-info a:hover{color:var(--blue)}
@media (max-width:820px){.contact-wrap{grid-template-columns:1fr;gap:32px}}

/* per-product quote buttons */
.btn-sm{padding:11px 16px;font-size:.66rem;letter-spacing:.12em;margin-top:12px;width:100%;justify-content:center}
.door{border:1px solid var(--line);padding-bottom:14px}
.door span{padding:12px 14px 0}
.door .btn-sm{width:calc(100% - 28px);margin:12px 14px 0}
.hwx .btn-sm{margin-top:14px}

/* glass */
.glass-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.glass{display:flex;flex-direction:column}
.glass[hidden]{display:none}
.glass .tag{align-self:flex-start}
.glass .btn-sm{margin-top:auto}
.glass .tag{margin-bottom:0}
.spec{font-size:.8rem;color:var(--muted);margin-bottom:4px}
.sw{display:block;aspect-ratio:16/9;margin-bottom:12px;border:1px solid var(--line)}
.sw-clear{background:linear-gradient(135deg,#eef6fb,#cfe4f1 60%,#f7fbfe)}
.sw-bronze{background:linear-gradient(135deg,#d9c3a5,#a0784d 60%,#c9a77c)}
.sw-grey{background:linear-gradient(135deg,#c9ced3,#7d858d 60%,#aeb5bb)}
.sw-mirror{background:linear-gradient(135deg,#f4f6f8,#a9b3bd 45%,#e8edf1 60%,#8f9aa5)}
.sw-frost{background:linear-gradient(135deg,#f3f6f8,#dfe6ea);filter:saturate(.6)}
.sw-blue{background:linear-gradient(135deg,#bcd7ea,#5c95bd 60%,#8fb9d6)}
.sw-lowe{background:linear-gradient(135deg,#e8f3ee,#bcd9cc 60%,#eef7f2)}
.sw-pattern{background:repeating-linear-gradient(90deg,#e6eef4 0 6px,#cfdde8 6px 12px)}
.glass-cats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.glass-cat{display:flex;flex-direction:column;border:1px solid var(--line);padding:24px 20px;background:var(--mist);transition:.2s}
.glass-cat:hover{border-color:var(--blue);background:#fff}
.glass-cat h3{margin-bottom:10px}
.glass-cat p{font-size:.84rem;color:var(--muted);margin-bottom:16px}
.glass-cat .cnt{margin-top:auto;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
@media (max-width:1100px){.glass-grid,.glass-cats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){.glass-grid,.glass-cats{grid-template-columns:repeat(2,1fr)}}

/* products preview */
.prev-sec{padding:64px 0}
.prev-alt{background:var(--mist)}
.hw-prev{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.hwx-prev{background:#fff}
.hwx-prev img{aspect-ratio:4/3}
.prev-alt .hw-more{margin-top:24px}
.prev-cta{margin-top:32px;text-align:center}
.prev-alt .hw-more{text-align:center;max-width:640px;margin-inline:auto}
@media (max-width:980px){.hw-prev{grid-template-columns:repeat(2,1fr)}}

/* photo gallery cards */
.door img{aspect-ratio:4/3;object-fit:cover;background:none;padding:0}
.door:hover img{transform:scale(1.03)}
.door{overflow:hidden}

.door-photo{border:0;padding-bottom:0}

.door-design img{object-fit:contain;background:var(--mist);padding:14px}
.door-design{border:1px solid var(--line);padding-bottom:14px}

/* whatsapp */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 6px 18px rgba(10,27,48,.28);transition:transform .2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:32px;height:32px;fill:none;stroke:none}
@media (max-width:640px){.wa{right:14px;bottom:14px;width:54px;height:54px}}

.foot-phones{margin-top:10px}
.foot-phones a{color:#fff;text-decoration:underline}
.foot-phones a:hover{color:var(--sky)}

.hs-wrap{min-height:320px}

/* about page */
.why-about{grid-template-columns:1.1fr 1fr;gap:56px}
.why-about .why-copy{padding-bottom:56px}
.about-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:56px 0 72px;border-top:1px solid var(--line)}
.about-cards li{border-top:2px solid var(--sky);padding-top:18px}
.about-cards .num{display:block;font:300 1.6rem var(--serif);color:var(--blue);margin-bottom:8px}
.about-cards h3{font-size:.8rem;letter-spacing:.12em;margin-bottom:8px}
.about-cards p{font-size:.88rem;color:var(--muted)}
@media (max-width:980px){.why-about{grid-template-columns:1fr;gap:32px}.why-about .why-copy{padding-bottom:0}.about-cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.about-cards{grid-template-columns:1fr}}

.about-more{background:var(--mist);padding:72px 0}
.about-more-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}
.about-more h2{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:400;margin-bottom:18px}
.about-more p{color:var(--muted);font-size:.92rem}
.do-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.do-list li{border:1px solid var(--line);background:#fff;padding:9px 16px;font-size:.8rem;letter-spacing:.04em}
.visit{background:#fff;border:1px solid var(--line);padding:28px}
.visit h3{margin-bottom:18px}
.visit p{margin-bottom:16px}
.visit strong{color:var(--ink);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase}
.visit a:hover{color:var(--blue)}
@media (max-width:820px){.about-more-grid{grid-template-columns:1fr;gap:32px}}

.do-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.do-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);padding:24px;transition:.2s}
.do-card:hover{border-color:var(--blue)}
.do-card h3{margin-bottom:10px}
.do-card p{margin-bottom:16px}
.do-card span{margin-top:auto;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
@media (max-width:560px){.do-cards{grid-template-columns:1fr}}

/* hero form */
.hero{min-height:560px}
.hero-inner{display:grid;grid-template-columns:minmax(0,540px) minmax(0,400px);justify-content:space-between;align-items:center;gap:40px;padding:32px 0}
.hero-form{background:#fff;color:var(--ink);padding:16px 8px 4px;box-shadow:0 18px 50px rgba(4,18,31,.45)}
.hero-form h2{font-size:1.6rem;font-weight:400;margin:0 0 -8px 16px;color:var(--ink)}
.hero-form p{font-size:.84rem;color:var(--muted);margin-bottom:6px}
@media (max-width:980px){.hero-inner{grid-template-columns:1fr}}

.hero-qf{margin-top:14px;padding:0 8px 8px}
.hero-qf input,.hero-qf textarea{width:100%}
.hero-qf button{width:100%;justify-content:center;grid-column:1/-1;margin-top:2px}
.qf-msg{grid-column:1/-1;font-size:.82rem;margin:0;min-height:0}
.qf-msg.ok{color:#1c7a3f;font-weight:600}
.qf-msg.err{color:#b3261e}
.hero-form h2{margin:0 0 0 8px}
@media (max-width:560px){.hero-qf{grid-template-columns:1fr}}

.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.qf-title{font-size:1.6rem;font-weight:400;margin:0 0 16px;color:var(--ink)}
.contact-qf{margin-top:0}
.contact-qf input,.contact-qf textarea{width:100%}
.contact-qf textarea{min-height:120px}
.contact-qf button{width:100%;justify-content:center;grid-column:1/-1}
@media (max-width:560px){.contact-qf{grid-template-columns:1fr}}