/* ============================================================
   Bespoke Tiling Solutions — site stylesheet
   Palette: basalt #16262A / porcelain #F4F4F1 / pool teal #167D7F
   Type: Archivo (display) / Source Sans 3 (body) / IBM Plex Mono (spec)
   ============================================================ */

:root{
  --basalt:#16262A;
  --ink:#1E2A2D;
  --porcelain:#F4F4F1;
  --white:#FFFFFF;
  --teal:#167D7F;
  --teal-dark:#0F5D5F;
  --stone:#6B7677;
  --line:#DDDFDA;
  --spec-bg:#EDF0EE;
  --radius:2px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

body{
  font-family:'Source Sans 3',system-ui,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
}

h1,h2,h3{font-family:'Archivo',sans-serif;font-weight:800;line-height:1.08;letter-spacing:-0.015em;color:var(--basalt)}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:.75rem}
h3{font-size:1.15rem;margin-bottom:.4rem}
p{margin-bottom:1rem}
a{color:var(--teal-dark)}
img{max-width:100%;display:block}

.mono{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:.9rem}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section.alt{background:var(--porcelain)}

/* grout-grid: faint tile-joint pattern used on heroes only */
.grout{
  background-color:var(--porcelain);
  background-image:
    linear-gradient(rgba(22,125,127,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(22,125,127,.07) 1px,transparent 1px);
  background-size:56px 56px;
}

/* ---------- header ---------- */
.topbar{background:var(--basalt);color:#B8C4C4;font-size:.8rem;padding:6px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#DCE6E5;text-decoration:none}

header.site{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:40px;width:auto}
.brand span{font-family:'Archivo',sans-serif;font-weight:800;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;color:var(--basalt)}
nav.main{display:flex;align-items:center;gap:26px}
nav.main a{font-size:.86rem;font-weight:600;text-decoration:none;color:var(--ink);letter-spacing:.02em}
nav.main a:hover{color:var(--teal)}
.callbtn{background:var(--teal);color:#fff!important;padding:10px 18px;border-radius:var(--radius);font-weight:700;white-space:nowrap}
.callbtn:hover{background:var(--teal-dark)}
#navtoggle{display:none}
.hamburger{display:none;font-size:1.6rem;cursor:pointer;line-height:1;color:var(--basalt)}
@media (max-width:900px){
  .hamburger{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px}
  #navtoggle:checked ~ nav.main{display:flex}
}

/* ---------- hero ---------- */
.hero{padding:84px 0}
.hero .wrap{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.15rem;color:var(--stone);max-width:34em;margin:1.2rem 0 2rem}
.hero .img{background:var(--basalt);min-height:360px;border-radius:var(--radius);overflow:hidden}
.hero .img img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

.btn{display:inline-block;background:var(--basalt);color:#fff;text-decoration:none;font-weight:700;font-size:.9rem;letter-spacing:.04em;padding:15px 28px;border-radius:var(--radius);border:0;cursor:pointer}
.btn:hover{background:var(--teal-dark)}
.btn.ghost{background:transparent;color:var(--basalt);border:2px solid var(--basalt)}
.btn.ghost:hover{background:var(--basalt);color:#fff}
.btn.teal{background:var(--teal)}
.btnrow{display:flex;gap:14px;flex-wrap:wrap}

/* trust strip */
.trust{background:var(--basalt);color:#9FB0AF;padding:34px 0}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.trust .wrap > div{border-left:2px solid var(--teal);padding-left:16px;font-size:.82rem;line-height:1.5}
.trust b{color:#fff;display:block;font-family:'Archivo',sans-serif;font-weight:800;font-size:1.02rem;letter-spacing:.01em;margin-bottom:4px}
@media (max-width:900px){.trust .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.trust .wrap{grid-template-columns:1fr}}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid.c3,.grid.c2{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.card p{color:var(--stone);font-size:.95rem;flex:1}
.card a.more{font-weight:700;font-size:.86rem;text-decoration:none}
.card .thumb{margin:-26px -26px 18px;height:190px;background:var(--spec-bg);overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}

/* photo placeholder slots */
.slot{display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,#E7EAE7,#E7EAE7 12px,#EFF1EF 12px,#EFF1EF 24px);color:var(--stone);text-align:center;padding:12px;height:100%;min-height:180px;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}

/* ---------- system spec card (signature) ---------- */
.spec{background:var(--spec-bg);border-left:4px solid var(--teal);border-radius:var(--radius);padding:26px 28px;margin:2rem 0}
.spec h3{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dark);margin-bottom:14px}
.spec table{width:100%;border-collapse:collapse;font-size:.9rem}
.spec td{padding:9px 0;border-bottom:1px solid #D5DBD7;vertical-align:top}
.spec td:first-child{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--stone);width:34%;padding-right:14px}
.spec tr:last-child td{border-bottom:0}

/* ---------- content pages ---------- */
.pagehead{padding:64px 0 48px}
.pagehead p.lead{font-size:1.12rem;color:var(--stone);max-width:44em;margin-top:1rem}
.prose{max-width:46em}
.prose h2{margin-top:2.4rem}
.prose ul{margin:0 0 1rem 1.2rem}
.prose li{margin-bottom:.4rem}

/* two-col with image */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.split .img{border-radius:var(--radius);overflow:hidden;min-height:320px}
.split .img img{width:100%;height:100%;object-fit:cover}

/* ---------- forms ---------- */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:700px){form .row{grid-template-columns:1fr}}
input,select,textarea{
  width:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;font:inherit;color:var(--ink);margin-bottom:14px
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
label{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--stone);display:block;margin-bottom:6px}
.formcard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.notice{background:var(--spec-bg);border-radius:var(--radius);padding:16px 18px;font-size:.9rem;color:var(--stone)}
.hidden{display:none}
#est-result{background:var(--basalt);color:#fff;border-radius:var(--radius);padding:30px;text-align:center}
#est-result .figure{font-family:'Archivo',sans-serif;font-weight:800;font-size:2.2rem;letter-spacing:-.02em}
#est-result small{color:#9FB0AF;display:block;margin-top:10px;font-size:.8rem}

/* FAQ */
details.faq{border-bottom:1px solid var(--line);padding:18px 0}
details.faq summary{font-family:'Archivo',sans-serif;font-weight:700;font-size:1.05rem;cursor:pointer;color:var(--basalt);list-style:none;display:flex;justify-content:space-between;gap:16px}
details.faq summary::after{content:"+";color:var(--teal);font-weight:800}
details.faq[open] summary::after{content:"–"}
details.faq p{margin-top:12px;color:var(--stone)}

/* CTA band */
.ctaband{background:var(--teal);color:#fff;padding:56px 0}
.ctaband h2{color:#fff}
.ctaband .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.ctaband .btn{background:var(--white);color:var(--basalt)}
.ctaband .btn:hover{background:var(--basalt);color:#fff}
.ctaband p{color:#D3EAEA;margin:0}

/* footer */
footer.site{background:var(--basalt);color:#9FB0AF;padding:56px 0 32px;font-size:.9rem}
footer.site .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media (max-width:900px){footer.site .wrap{grid-template-columns:1fr 1fr}}
footer.site h4{color:#fff;font-family:'Archivo',sans-serif;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
footer.site a{color:#C7D2D1;text-decoration:none;display:block;margin-bottom:8px}
footer.site a:hover{color:#fff}
.legal{border-top:1px solid #24393D;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem}

/* breadcrumb */
.crumb{font-size:.8rem;color:var(--stone);padding-top:22px}
.crumb a{color:var(--stone);text-decoration:none}
.crumb a:hover{color:var(--teal)}

:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

/* portrait-friendly image treatments */
.thumb.tall{height:auto;aspect-ratio:3/4}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.duo img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/4;border-radius:var(--radius)}
@media (max-width:700px){.duo{grid-template-columns:1fr}}
.natural img{width:100%;height:auto;border-radius:var(--radius)}
.card .thumb{height:230px}