:root{--bg:#ffffff;--text:#0f172a;--muted:rgba(15,23,42,.68);--border:rgba(15,23,42,.12);--shadow:0 22px 60px rgba(15,23,42,.12);--brand:#ff6a00;--brand2:#ff9a3c;--container:1120px;--radius:16px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#fff7f1 60%,#fff);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.muted{color:var(--muted)}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:8px;padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:10px;z-index:999}
.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);border-bottom:1px solid rgba(15,23,42,.08)}
.header-inner{height:74px;display:flex;align-items:center;gap:16px}
.logo img{height:40px;width:auto}
.site-nav{margin-left:auto;display:flex;gap:18px;align-items:center}
.site-nav a{font-weight:600;font-size:14px;padding:10px 12px;border-radius:12px;color:rgba(15,23,42,.84)}
.site-nav a:hover,.site-nav a:focus-visible{background:rgba(15,23,42,.06);outline:none}
.menu-btn{margin-left:auto;display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(15,23,42,.12);background:rgba(15,23,42,.04)}
.menu-btn span{display:block;width:18px;height:2px;background:rgba(15,23,42,.75);margin:4px auto;border-radius:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 16px;border-radius:14px;font-weight:700;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 40px rgba(255,106,0,.22)}
.btn-outline{background:rgba(255,255,255,.85);border-color:rgba(15,23,42,.14)}
.btn-outline:hover,.btn-outline:focus-visible{background:#fff;outline:none}
.hero{padding:56px 0 32px}
.hero-grid{display:flex;flex-direction:column;gap:28px;align-items:stretch}
.hero-copy h1{font-size:clamp(34px,4vw,52px);line-height:1.05;letter-spacing:-.03em;margin:0 0 10px;font-weight:800}
.hero-sub{margin:0 0 16px;font-weight:700;color:rgba(15,23,42,.75)}
.hero-lead{margin:0 0 22px;color:rgba(15,23,42,.74);max-width:58ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-media{overflow:visible}
.hero-media img{width:100%;max-width:100%;height:auto;max-height:520px;object-fit:contain;object-position:center;border-radius:22px;box-shadow:var(--shadow);border:1px solid rgba(15,23,42,.10);background:#f8f8f8;display:block}
.section{padding:64px 0}
.section-alt{background:rgba(255,255,255,.55);border-block:1px solid rgba(15,23,42,.06)}
.section-head{margin-bottom:26px}
.section-head h2{margin:0 0 10px;font-size:clamp(26px,3vw,36px);letter-spacing:-.02em;color:#000}
.section-head p{margin:0;color:#000;max-width:72ch}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.card{position:relative;overflow:hidden;border-radius:22px;background:#fff;border:1px solid rgba(15,23,42,.10);box-shadow:0 18px 50px rgba(15,23,42,.08);padding:22px;min-height:420px;display:flex;flex-direction:column}
.card .card-cta{margin-top:auto}
.card-accent{border-color:rgba(255,106,0,.28);box-shadow:0 20px 55px rgba(255,106,0,.12)}
.card-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.card h3{margin:0;font-size:24px;letter-spacing:-.02em}
.card-tag{margin:0;font-weight:700;font-size:13px;color:rgba(15,23,42,.62)}
.card-desc{margin:12px 0 14px;color:rgba(15,23,42,.72)}
.card-list{margin:0;padding-left:18px;color:rgba(15,23,42,.72)}
.card-list li{margin:8px 0}
.card-cta{margin-top:16px;display:inline-flex;font-weight:800;color:var(--brand)}
.card-img{margin-top:16px;width:100%;aspect-ratio:16/9;background-size:contain;background-repeat:no-repeat;background-position:center;border-radius:16px;box-shadow:0 12px 40px rgba(15,23,42,.12);border:1px solid rgba(15,23,42,.10);flex-shrink:0;overflow:hidden}
.card-img--portrait{aspect-ratio:3/4;background-color:#f1f5f9;background-size:contain}
.card-img--focus-right{background-position:right center}
.card-img--door-center{background-size:cover;background-position:62% center}
.card-price{margin-top:auto;padding:16px 14px;background:linear-gradient(135deg,rgba(255,106,0,.08),rgba(255,154,60,.05));border-radius:14px;border:1px solid rgba(255,106,0,.22);text-align:center;position:relative;overflow:hidden}
.card-price::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.card-price__badge{position:absolute;top:8px;right:-24px;background:var(--brand);color:#fff;font-size:10px;font-weight:700;padding:4px 28px 4px 10px;border-radius:4px;transform:rotate(30deg);text-transform:uppercase;letter-spacing:.5px}
.card-price__main{display:flex;align-items:baseline;justify-content:center;gap:6px;flex-wrap:nowrap}
.card-price__amount{font-size:clamp(21px,2.65vw,32px);font-weight:800;color:var(--brand);letter-spacing:-.03em;line-height:1.1}
.card-price__unit{font-size:clamp(15px,1.2vw,18px);font-weight:700;color:rgba(255,106,0,.88);line-height:1.1;flex-shrink:0}
.card-price__note{margin-top:6px;font-size:12px;font-weight:600;color:rgba(15,23,42,.6)}
.card-price--accent{background:linear-gradient(135deg,rgba(255,106,0,.12),rgba(255,154,60,.08));border-color:rgba(255,106,0,.35);box-shadow:0 8px 24px rgba(255,106,0,.15);overflow:visible;padding-top:38px}
.card-price--accent::before{height:4px}
.card-price--accent .card-price__badge{top:10px;right:10px;left:auto;transform:none;border-radius:8px;padding:5px 10px;font-size:9px;font-weight:800;box-shadow:0 2px 10px rgba(255,106,0,.28);z-index:2;pointer-events:none}
.card-price--accent .card-price__main{flex-wrap:nowrap;justify-content:center;gap:6px;padding:0 8px;min-width:0}
.card-price--accent .card-price__amount,.card-price--accent .card-price__unit{white-space:nowrap}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{background:rgba(255,255,255,.9);border:1px solid rgba(15,23,42,.10);border-radius:18px;padding:18px}
.feature-grid .feature__icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:rgba(255,106,0,.12);color:#c2410c;margin-bottom:12px;flex-shrink:0}
.feature-grid .feature__icon svg{width:26px;height:26px}
.feature h3{margin:0 0 8px;font-size:18px;letter-spacing:-.01em;color:#000}
.feature p{margin:0;color:#000}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
.contact-cards{display:grid;grid-template-columns:1fr;gap:12px}
.info{display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:16px;padding:16px 18px;min-height:100px;box-shadow:0 2px 12px rgba(15,23,42,.06);transition:box-shadow .2s ease,border-color .2s ease}
.info:hover{box-shadow:0 6px 20px rgba(15,23,42,.08);border-color:rgba(255,106,0,.2)}
.info__icon{flex-shrink:0;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff}
.info__icon svg{width:22px;height:22px}
.info--phone .info__icon{background:linear-gradient(135deg,#25d366,#128c7e)}
.info--email .info__icon{background:linear-gradient(135deg,#ea4335,#c5221f)}
.info--address .info__icon{background:linear-gradient(135deg,#ff6a00,#e85d00)}
.info--social .info__icon{background:linear-gradient(135deg,#ff6a00,#ff8533);box-shadow:0 4px 16px rgba(255,106,0,.4),0 0 0 1px rgba(255,255,255,.2) inset}
.info--social .info__icon.info__icon--text{width:auto;min-width:auto;height:auto;min-height:44px;padding:10px 18px 10px 14px;border-radius:999px;gap:10px}
.info__icon--text{font-size:12px;font-weight:800;letter-spacing:.06em;color:#fff;white-space:nowrap}
.info__icon-follow{width:22px;height:22px;flex-shrink:0;stroke:#fff}
.info__icon-follow-label{font-size:13px;font-weight:800;letter-spacing:.04em}
.info--hours .info__icon{background:linear-gradient(135deg,#5f6368,#3c4043)}
.info__body{flex:1;min-width:0}
.info__body h3{margin:0 0 10px;font-size:15px;font-weight:700;color:#0f172a;letter-spacing:-.01em}
.info__body p{white-space:normal;margin:0 0 6px;font-size:16px;font-weight:600;line-height:1.5;color:rgba(15,23,42,.88)}
.info__body p > span{color:rgba(255,106,0,.8);font-weight:700;margin:0 4px}
.info__body p:last-child{margin-bottom:0}
.info__body p.info__social{white-space:normal;margin-top:12px;font-size:14px;font-weight:600;color:rgba(15,23,42,.78)}
.info a{color:#0f172a;text-decoration:none;font-weight:600;border-bottom:1px solid rgba(255,106,0,.4);transition:color .2s ease,border-color .2s ease}
.info a:hover{color:#ff6a00;border-bottom-color:#ff6a00}
.contact-form{background:#fff;border:1px solid rgba(15,23,42,.10);border-radius:22px;box-shadow:0 18px 55px rgba(15,23,42,.08);padding:18px}
.contact-form h3{margin:0 0 6px;font-size:28px;color:#ff6a00;font-weight:700}
.contact-form label{display:grid;gap:8px;font-weight:700;font-size:13px;margin-top:12px}
.price-calc__tiers{margin:12px 0 0;font-size:18px;font-weight:700;color:#0f172a;padding:18px 16px;background:linear-gradient(135deg,rgba(255,106,0,.15),rgba(255,154,60,.12));border-radius:12px;border:2px solid rgba(255,106,0,.4);text-align:center;box-shadow:0 4px 16px rgba(255,106,0,.15)}
.price-calc__area{margin-top:16px;padding:12px 16px;background:rgba(15,23,42,.04);border-radius:12px;border:1px solid rgba(15,23,42,.08)}
.price-calc__area .price-calc__value{font-size:18px;font-weight:700;color:#0f172a}
.price-calc__result{margin-top:12px;padding:14px 16px;background:rgba(255,106,0,.08);border-radius:14px;border:1px solid rgba(255,106,0,.2);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.price-calc__result-left{flex:1;min-width:0}
.price-calc__btn{flex-shrink:0}
.price-calc__label{display:block;font-size:13px;font-weight:700;color:rgba(15,23,42,.75);margin-bottom:6px}
.price-calc__value{font-size:20px;font-weight:800;color:#e85d00}
input,select,textarea{font:inherit;padding:12px;border-radius:14px;border:1px solid rgba(15,23,42,.14);outline:none;background:rgba(255,255,255,.95)}
input:focus,select:focus,textarea:focus{border-color:rgba(255,106,0,.55);box-shadow:0 0 0 4px rgba(255,106,0,.12)}
select{cursor:pointer}
#calc-product.product-active{border-color:#ff6a00;box-shadow:0 0 0 4px rgba(255,106,0,.2);font-weight:700}
#calc-product option{font-weight:600;color:#ff6a00;font-size:15px}
#calc-product option[value="wmax"]{color:#e85d00}
.contact-form button{width:100%;margin-top:14px}
.form-note{margin-top:10px;display:flex;gap:10px;justify-content:center;color:rgba(15,23,42,.62);font-weight:700;font-size:13px}
.form-note a{text-decoration:underline;text-underline-offset:3px}
.site-footer{padding:26px 0 34px;border-top:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.75)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-left{display:flex;align-items:center;gap:12px}
.footer-logo{height:32px;width:auto}
.footer-right{display:flex;gap:14px}
.footer-right a{font-weight:700;color:rgba(15,23,42,.72)}
.footer-right a:hover{color:rgba(15,23,42,.95)}
.contact-float{position:fixed;left:16px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px}
.contact-float__btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:999px;background:var(--brand);border:none;box-shadow:0 8px 32px rgba(15,23,42,.15);font-weight:700;font-size:14px;color:#fff;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;animation:floatIn .6s ease forwards}
.contact-float__btn:nth-child(1){animation-delay:.1s}
.contact-float__btn:nth-child(2){animation-delay:.3s}
.contact-float__btn:nth-child(3){animation-delay:.5s}
@keyframes floatIn{from{opacity:0;transform:translateX(-60px)}to{opacity:1;transform:translateX(0)}}
@keyframes pulse-btn{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
@keyframes ring-icon{0%,100%{transform:rotate(0deg) scale(1)}15%{transform:rotate(-15deg) scale(1.15)}30%{transform:rotate(12deg) scale(1.15)}45%{transform:rotate(-8deg) scale(1.1)}60%{transform:rotate(8deg) scale(1.1)}75%{transform:rotate(-4deg) scale(1.05)}90%{transform:rotate(4deg) scale(1.02)}}
@keyframes wave-dot{0%,100%{transform:translateY(0) scale(1);opacity:1}50%{transform:translateY(-5px) scale(1.3);opacity:.6}}
.contact-float__btn:hover,.contact-float__btn:focus-visible{transform:translateY(-2px) scale(1.03);box-shadow:0 14px 45px rgba(255,106,0,.3);background:var(--brand2);outline:none;animation:none}
.contact-float__btn:hover .contact-float__icon{animation:ring-icon .6s ease}
.contact-float__icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:#fff;flex-shrink:0;position:relative}
.contact-float__icon svg{width:18px;height:18px}
.contact-float__zalo .contact-float__icon{background:#0180f7;box-shadow:0 0 0 3px rgba(1,128,247,.25)}
.contact-float__phone .contact-float__icon{background:#25d366;box-shadow:0 0 0 3px rgba(37,211,102,.25);animation:wave-dot 2s ease-in-out infinite}
.contact-float__mess .contact-float__icon{background:#0084ff;box-shadow:0 0 0 3px rgba(0,132,255,.25);animation:pulse-btn 2.8s ease-in-out infinite}
.contact-float__text{white-space:nowrap}
.gallery-modal{display:none;position:fixed;inset:0;z-index:200}
.gallery-modal.active{display:flex;align-items:center;justify-content:center}
.gallery-modal__overlay{position:absolute;inset:0;background:rgba(0,0,0,.7);cursor:pointer}
.gallery-modal__content{position:relative;z-index:10;background:#fff;border-radius:12px;padding:24px;max-width:90%;width:100%;max-height:90vh;overflow:hidden;box-shadow:0 25px 50px rgba(0,0,0,.3)}
.gallery-modal__close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:28px;cursor:pointer;color:#666;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}
.gallery-modal__close:hover{background:rgba(0,0,0,.1);color:#000}
.gallery-modal__title{font-size:20px;font-weight:700;margin-bottom:20px;text-align:center;color:var(--brand)}
.gallery-slides{position:relative;width:100%;max-width:600px;margin:0 auto 24px;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:rgba(15,23,42,.05)}
.gallery-slide{display:none;text-align:center;width:100%;height:100%;position:absolute;top:0;left:0}
.gallery-slide.active{display:block;animation:fadeIn .3s ease-in-out}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideRight{0%{transform:translateX(-100px)}100%{transform:translateX(0)}}
.gallery-slide img{width:100%;height:100%;border-radius:0;object-fit:cover;object-position:center}
.gallery-nav{display:flex;align-items:center;justify-content:center;gap:24px}
.gallery-nav__btn{background:var(--brand);border:none;color:#fff;width:40px;height:40px;border-radius:50%;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.gallery-nav__btn:hover{background:var(--brand2);transform:scale(1.1)}
.gallery-dots{display:flex;gap:8px}
.gallery-dot{width:10px;height:10px;border-radius:50%;background:rgba(0,0,0,.2);cursor:pointer;transition:all .2s}
.gallery-dot.active{background:var(--brand);width:28px;border-radius:5px}
@media(max-width:920px){.hero-media img{max-height:380px;height:auto}.cards,.feature-grid,.contact-grid{grid-template-columns:1fr}.contact-cards{grid-template-columns:1fr}.menu-btn{display:inline-grid;place-items:center}.site-nav{display:none;position:absolute;top:74px;left:0;right:0;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(15,23,42,.10);padding:10px;flex-direction:column;gap:6px}body[data-menu-open="true"] .site-nav{display:flex}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}