:root{--bg:#fff;--text:#0a0a0a;--muted:#5c5c5c;--line:#e8e8e8;--dark:#0a0a0a;--yellow:#ffd400;--radius:22px;--shadow:0 24px 70px rgba(0,0,0,.12);--font-head:'Space Grotesk',Inter,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.narrow{width:min(860px,calc(100% - 32px))}

/* Header */
.site-header{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1180px,calc(100% - 24px));z-index:50;display:flex;align-items:center;justify-content:space-between;padding:10px 10px 10px 22px;background:rgba(8,8,8,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.1);border-radius:999px;box-shadow:0 12px 40px rgba(0,0,0,.35);color:#fff}
.logo{font-family:var(--font-head);font-weight:700;font-size:1.2rem;letter-spacing:-.03em;color:#fff;display:flex;align-items:center;gap:10px}
.logo img{height:34px;width:auto;display:block}
.logo span{color:var(--yellow)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:10px 14px;border-radius:999px;font-weight:700;font-size:.94rem;color:#fff;display:flex;align-items:center}
.nav a:hover,.nav a.active{background:var(--yellow);color:#000}
.social-icon{padding:8px 12px;display:flex;align-items:center}
.social-icon svg{width:26px;height:26px;fill:currentColor;display:block}
.menu-toggle{display:none;background:var(--yellow);border:0;border-radius:14px;padding:9px;gap:4px;flex-direction:column}
.menu-toggle span{display:block;width:20px;height:2px;background:#000}

/* Hero */
.hero{min-height:100svh;display:grid;place-items:center;position:relative;overflow:hidden;color:#fff;padding:120px 16px 70px;text-align:center}
.hero-bg{position:absolute;inset:0;background:linear-gradient(rgba(0,0,0,.62),rgba(0,0,0,.5)),url('../img/hero-bg.jpg') center/cover}
.hero-content{position:relative;max-width:980px}
.eyebrow{display:inline-block;background:var(--yellow);color:#000;padding:6px 16px;border-radius:999px;text-transform:uppercase;letter-spacing:.13em;font-size:.74rem;font-weight:800;margin:0 0 16px}
.eyebrow.eyebrow-plain{background:none;color:#fff;padding:0;letter-spacing:.16em}
.section-dark p.eyebrow{color:#000}
.hero h1,.page-hero h1{font-family:var(--font-head);font-weight:700;font-size:clamp(2.4rem,7vw,6.2rem);line-height:.94;letter-spacing:-.05em;margin:0 0 22px}
.hero p{font-size:clamp(1rem,2vw,1.35rem);max-width:720px;margin:0 auto 26px;color:rgba(255,255,255,.86)}
.hero-buttons,.quick-actions,.contact-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:13px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s;cursor:pointer;-webkit-appearance:none}
.btn svg{width:18px;height:18px;flex:0 0 18px}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:#000;color:#fff}
.btn-dark{background:#000;color:#fff}
.btn-light{background:#fff;color:#000}
.section-dark .btn-light{color:#000}
.section-dark .btn-light svg{fill:#000}
.btn-accent{background:var(--yellow);color:#000}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.1)}
.contact-pills{margin-top:22px}
.contact-pills a{border:1px solid rgba(255,255,255,.25);padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}

/* Sections */
.section{padding:96px 0}
.section-muted{background:#f6f6f6}
.section-dark{background:#0a0a0a;color:#fff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
h1,h2,h3{font-family:var(--font-head)}
h2{font-size:clamp(2.2rem,4.6vw,4.6rem);line-height:1;letter-spacing:-.05em;margin:0 0 22px;font-weight:700}
p{color:var(--muted)}
.section-dark p,.section-dark a{color:rgba(255,255,255,.82)}
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.photo-grid img,.carousel img,.blog-card img,.article-hero img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover}
.photo-grid img:nth-child(2){margin-top:34px}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 22px}
summary{font-weight:800;cursor:pointer}
.reviews{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:16px}
.reviews article,.rating-card,.offer-card,.blog-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.04)}
.rating-card{background:#000;color:#fff}
.rating-card strong{font-size:3rem;display:block;font-family:var(--font-head)}
.stars,.rating-card span{color:var(--yellow);letter-spacing:2px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch}
.contact-grid iframe{width:100%;min-height:430px;border:0;border-radius:var(--radius);filter:invert(92%) hue-rotate(180deg) contrast(85%) brightness(95%)}
.social-links{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.social-links a{text-decoration:underline}
.contact-details{margin:8px 0 26px}
.contact-address{font-size:1.05rem;font-weight:700;color:#fff;margin:0 0 10px;line-height:1.5}
.contact-line{margin:4px 0}
.contact-line a{font-weight:700}

/* Footer */
.footer{background:#0b0b0b;color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.footer a{display:block;color:rgba(255,255,255,.75);margin:8px 0}
.footer h3{margin:0 0 12px}
.footer p{color:rgba(255,255,255,.65)}
.footer-bottom{text-align:center;color:rgba(255,255,255,.5);border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:22px}
.footer-logo{font-size:1.4rem}
.footer-logo img{height:38px;width:auto;display:block}

/* Page hero / anchor nav */
.page-hero{padding:150px 0 70px;background:#f6f6f6}
.page-hero p{font-size:1.1rem;max-width:760px}
.anchor-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.anchor-nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;font-weight:800}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}
.section-head p{max-width:720px}
.mini-links{display:flex;gap:10px}
.mini-links a{font-weight:800;text-decoration:underline}

/* Carousel */
.carousel-wrap{position:relative}
.carousel{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scroll-behavior:smooth}
.carousel img{scroll-snap-align:start;min-width:0}
.carousel-arrow{position:absolute;top:calc(50% - 34px);width:44px;height:44px;border-radius:50%;border:0;background:#000;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.carousel-arrow:hover{background:var(--yellow);color:#000}
.carousel-arrow.prev{left:-6px}
.carousel-arrow.next{right:-6px}
.carousel-dots{display:flex;gap:6px;justify-content:center;margin-top:14px}
.carousel-dots button{width:8px;height:8px;border-radius:50%;border:0;background:var(--line);padding:0;cursor:pointer}
.carousel-dots button.active{background:#000;width:22px;border-radius:6px;transition:.2s}

/* Offer cards */
.offer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.offer-card{padding:0;overflow:hidden}
.offer-top{width:100%;border:0;background:#000;color:#fff;padding:20px 22px;text-align:left;display:flex;align-items:center;gap:14px;cursor:pointer}
.offer-icon{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--yellow);display:flex;align-items:center;justify-content:center}
.offer-icon svg{width:24px;height:24px;fill:none;stroke:#000;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.offer-name{flex:1;font-family:var(--font-head);font-size:1.25rem;font-weight:700}
.offer-top b{font-weight:800;white-space:nowrap}
.offer-card p,.offer-card ul{padding:0 22px}
.offer-card ul{list-style:none;margin:0 0 6px}
.offer-card li{position:relative;padding-left:16px;margin:6px 0}
.offer-card li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:#000}
.calculator{display:none;padding:22px;border-top:1px solid var(--line);background:#fafafa}
.offer-card.open .calculator{display:grid;gap:12px}
.calculator label{display:grid;gap:6px;font-weight:650}
.calculator label.calc-check{display:flex;flex-direction:row;align-items:center;gap:8px}
.calculator input[type="checkbox"]{width:auto;accent-color:#000}
.calc-note{font-size:.82rem;color:var(--muted);margin:-2px 0 4px}

.offer-top{border-radius:22px 22px 0 0}
.offer-card.open{overflow:visible}

/* Custom dropdown (replaces native select rendering) */
.calculator select.native-select-hidden{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.custom-select{position:relative}
.custom-select-trigger{width:100%;text-align:left;background:#fff;color:#000;border:1.5px solid var(--line);border-radius:12px;padding:12px 40px 12px 14px;font-size:.95rem;font-weight:400;cursor:pointer;position:relative;transition:background-color .18s,color .18s,border-color .18s;font-family:inherit}
.custom-select-trigger::after{content:'';position:absolute;right:16px;top:50%;width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-65%) rotate(45deg);pointer-events:none;transition:transform .18s}
.custom-select-trigger:hover{background:#000;color:#fff;border-color:#000}
.custom-select.open .custom-select-trigger{background:#000;color:#fff;border-color:#000}
.custom-select.open .custom-select-trigger::after{transform:translateY(-35%) rotate(-135deg)}
.custom-select-list{display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1.5px solid var(--line);border-radius:12px;overflow:hidden auto;max-height:240px;box-shadow:0 16px 40px rgba(0,0,0,.16);z-index:30}
.custom-select.open .custom-select-list{display:block}
.custom-select-option{padding:11px 14px;color:#000;font-size:.92rem;font-weight:400;cursor:pointer;transition:background-color .15s,color .15s}
.custom-select-option:hover{background:#000;color:#fff}
.custom-select-option.active{font-weight:700}

/* Range slider row with live value */
.calculator .range-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:2px}
.calculator .range-row span{font-weight:650}
.calculator output{font-weight:700;color:#000;font-size:.85rem;white-space:nowrap}

/* Modern range slider - thin track, white thumb, no fill */
.calculator input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:2px;border-radius:999px;background:var(--line);outline:none;margin:10px 0 6px;cursor:pointer}
.calculator input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid #000;box-shadow:0 2px 6px rgba(0,0,0,.25);cursor:pointer;transition:transform .15s}
.calculator input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.15)}
.calculator input[type="range"]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid #000;box-shadow:0 2px 6px rgba(0,0,0,.25);cursor:pointer;transition:transform .15s}
.calculator input[type="range"]::-moz-range-thumb:hover{transform:scale(1.15)}
.calculator input[type="range"]::-moz-range-track{height:2px;border-radius:999px;background:var(--line)}
.calculator input,.calculator select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}
.price{font-weight:800;font-size:1.2rem}
.price strong{color:#0a0a0a;font-family:var(--font-head)}

/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.blog-card{display:grid;grid-template-columns:180px 1fr;gap:18px}
.blog-card img{height:100%;aspect-ratio:1/1}
.blog-card span{display:inline-block;background:var(--yellow);color:#000;font-weight:800;text-transform:uppercase;font-size:.72rem;letter-spacing:.1em;padding:3px 10px;border-radius:999px;margin-bottom:14px}
.blog-card h2{margin-top:4px}
.blog-card h2{font-size:1.5rem;letter-spacing:-.03em}
.article-hero{padding:150px 0 40px;background:#f6f6f6}
.article-hero img{margin-top:28px;width:100%;aspect-ratio:16/8}
.article-body{font-size:1.08rem}
.article-body h2{font-size:2.2rem;margin-top:36px}
.article-body img{width:100%;border-radius:var(--radius);margin:10px 0 30px;aspect-ratio:16/9;object-fit:cover}
.quick-actions{justify-content:flex-start;margin-top:20px}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);display:none;align-items:center;justify-content:center;z-index:300;padding:20px}
.modal-overlay.open{display:flex}
.modal-box{background:#fff;border-radius:26px;padding:34px;max-width:400px;width:100%;position:relative;text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.4)}
.modal-box h3{margin:0 0 8px;font-size:1.5rem}
.modal-box p{margin:0 0 22px;color:var(--muted)}
.modal-links{display:grid;gap:10px}
.modal-links a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border-radius:14px;background:#000;color:#fff;font-weight:800}
.modal-links a:hover{background:var(--yellow);color:#000}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:0;background:#000;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--yellow);color:#000}

@media (max-width:900px){
.menu-toggle{display:flex}
.nav{position:absolute;top:70px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;background:rgba(8,8,8,.96);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:12px;box-shadow:var(--shadow)}
.nav.open{display:flex}
.nav a{text-align:center;justify-content:center}
.split,.contact-grid,.footer-grid{grid-template-columns:1fr}
.reviews,.offer-grid,.blog-grid{grid-template-columns:1fr}
.blog-card{grid-template-columns:1fr}
.section-head{display:block}
.hero h1,.page-hero h1{letter-spacing:-.04em}
.section{padding:72px 0}
.quick-actions{justify-content:center}
.carousel-arrow{display:none}
}
@media (max-width:560px){
.site-header{top:10px}
.hero{padding-top:110px}
.hero-buttons .btn,.quick-actions .btn{width:100%}
.photo-grid{grid-template-columns:1fr}
.photo-grid img:nth-child(2){margin-top:0}
.reviews{grid-template-columns:1fr}
.page-hero{padding-top:125px}
.carousel{grid-auto-columns:86%}
.offer-top{display:grid}
.container{width:min(100% - 22px,1180px)}
}