/* Conturo Ltd — conturo.co.uk · v1 2026-07-13 */
:root{
  --ink:#191919; --body:#3d3d3d; --muted:#6e6a64;
  --paper:#ffffff; --stone:#f5f4f1; --line:#e6e3de;
  --accent:#b4622d; --accent-dark:#96501f;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
     color:var(--body);background:var(--paper);line-height:1.65;font-size:16.5px;
     -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
h1,h2,h3{font-family:"Space Grotesk","Inter",sans-serif;color:var(--ink);line-height:1.15;
         font-weight:600;letter-spacing:-.01em}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

/* ── header ── */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
       backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
       border-bottom:1px solid rgba(0,0,0,.055)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:"Space Grotesk",sans-serif;font-size:1rem;font-weight:500;
       letter-spacing:.48em;color:var(--ink);padding-left:.15em}
.brand span{color:var(--accent)}
nav ul{display:flex;gap:2.1rem;list-style:none;align-items:center}
nav a{position:relative;color:#4c4a46;font-size:.88rem;font-weight:400;letter-spacing:.05em}
nav a:hover{color:var(--ink)}
nav a:not(.cta)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;
       background:var(--accent);transition:right .25s ease}
nav a:not(.cta):hover::after,nav a[aria-current]::after{right:0}
nav a.cta{color:var(--ink);border:1px solid #cfccc6;border-radius:999px;padding:.42rem 1.15rem;
       transition:.2s}
nav a.cta:hover{border-color:var(--ink);background:var(--ink);color:#fff}
nav a[aria-current]{color:var(--ink)}
#menu-t{display:none}
.burger{display:none;cursor:pointer;width:30px;height:22px;position:relative}
.burger i,.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:100%;
  height:1.5px;background:var(--ink);transition:.2s}
.burger i{top:10px}.burger i::before{top:-8px}.burger i::after{top:8px}
@media (max-width:820px){
  .burger{display:block}
  nav ul{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;
         flex-direction:column;padding:1.1rem 22px 1.4rem;gap:1.05rem;align-items:flex-start;
         border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.06)}
  #menu-t:checked ~ ul{display:flex}
  /* the dropdown panel is always white — links must be ink even on the overlay header */
  header.overlay nav ul a:not(.cta){color:#4c4a46}
  header.overlay nav ul a.cta{color:var(--ink);border-color:#cfccc6}
}

/* ── overlay header (home, version B): transparent over the hero, solid on scroll ── */
header.overlay{position:fixed;left:0;right:0;background:transparent;border-bottom-color:transparent;
  backdrop-filter:none;-webkit-backdrop-filter:none;transition:background .3s,border-color .3s}
header.overlay .brand,header.overlay nav a:not(.cta){color:#fff}
header.overlay nav a.cta{color:#fff;border-color:rgba(255,255,255,.55)}
header.overlay nav a.cta:hover{background:#fff;color:var(--ink);border-color:#fff}
header.overlay .burger i,header.overlay .burger i::before,header.overlay .burger i::after{background:#fff}
header.overlay.scrolled{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);border-bottom-color:rgba(0,0,0,.055)}
header.overlay.scrolled .brand,header.overlay.scrolled nav a:not(.cta){color:var(--ink)}
header.overlay.scrolled nav a:not(.cta){color:#4c4a46}
header.overlay.scrolled nav a:not(.cta):hover{color:var(--ink)}
header.overlay.scrolled nav a.cta{color:var(--ink);border-color:#cfccc6}
header.overlay.scrolled nav a.cta:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
header.overlay.scrolled .burger i,header.overlay.scrolled .burger i::before,
header.overlay.scrolled .burger i::after{background:var(--ink)}
header.overlay .brand span{color:#e2925f}
header.overlay.scrolled .brand span{color:var(--accent)}

/* ── full-screen hero (version B) ── */
.hero-b{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;
  background:#1c1c1c center/cover no-repeat}
.hero-b::after{content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(10,10,10,.05) 35%,rgba(10,10,10,.7) 92%)}
.hero-b .wrap{position:relative;z-index:2;padding-bottom:6.5rem;width:100%}
.hero-b h1{color:#fff;font-size:clamp(2.7rem,8vw,5.4rem);font-weight:500;line-height:1.03;
  letter-spacing:-.02em}
.hero-b p{margin:1.3rem 0 2rem;font-size:1.14rem;max-width:44ch;color:#e8e6e3}
.hero-b .kicker{color:#e2925f;margin-bottom:1.1rem}
.scroll-cue{position:absolute;left:50%;bottom:2rem;width:1.5px;height:52px;z-index:2;
  background:linear-gradient(#fff0,#fff 60%);animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{transform:translateY(0);opacity:.9}50%{transform:translateY(10px);opacity:.4}}

/* facts strip */
.facts{background:var(--ink);color:#c9c5bf;padding:1.6rem 0}
.facts-row{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.facts-row strong{display:block;font-family:"Space Grotesk",sans-serif;color:#fff;
  font-size:1.16rem;font-weight:500;letter-spacing:-.01em}
.facts-row span{font-size:.86rem}
@media (max-width:820px){.facts-row{grid-template-columns:1fr;gap:1.1rem}}

/* full-width project showcases */
.show{position:relative;display:block;border-radius:8px;overflow:hidden;background:#222;color:#fff;
  aspect-ratio:16/8}
.show.tallish{aspect-ratio:4/3.4}
.show img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.show:hover img{transform:scale(1.035)}
.show-label{position:absolute;inset:auto 0 0 0;z-index:2;padding:3rem 1.8rem 1.5rem;
  background:linear-gradient(180deg,transparent,rgba(8,8,8,.78))}
.show-label strong{display:block;font-family:"Space Grotesk",sans-serif;font-size:1.7rem;
  font-weight:500;letter-spacing:-.01em}
.show-label em{font-style:normal;font-size:.9rem;color:#d8d5d0}
@media (max-width:820px){.show{aspect-ratio:4/3}.show-label strong{font-size:1.3rem}}

/* dark section */
section.dark{background:var(--ink)}
section.dark h2,section.dark h3{color:#fff}
section.dark p{color:#bab6b0}
section.dark .card{background:#222120;border:1px solid #322f2c}
section.dark .lede{color:#c9c5bf}

/* ── hero (version A, kept for inner use) ── */
.hero{position:relative;min-height:74vh;display:flex;align-items:flex-end;color:#fff;
      background:#222 center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(10,10,10,.18) 30%,rgba(10,10,10,.72) 100%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:4.2rem;padding-top:6rem;width:100%}
.hero h1{color:#fff;font-size:clamp(2.1rem,5.2vw,3.6rem);max-width:15ch}
.hero p{margin:.9rem 0 1.6rem;font-size:1.12rem;max-width:46ch;color:#ecebe8}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.22em;
        text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.hero .kicker{color:#f0b285}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:500;
     padding:.72rem 1.65rem;border-radius:999px;border:0;font-size:.98rem;
     letter-spacing:.02em;cursor:pointer}
.btn:hover{background:var(--accent-dark);color:#fff}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.75);margin-left:.7rem}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.btn.dark{background:var(--ink)}
.btn.dark:hover{background:var(--accent)}

/* ── sections ── */
section{padding:4.6rem 0}
section.tint{background:var(--stone)}
.sec-head{max-width:60ch;margin-bottom:2.6rem}
.sec-head h2{font-size:clamp(1.55rem,3vw,2.2rem)}
.sec-head p{margin-top:.7rem}
.lede{font-size:1.16rem;color:var(--body)}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
@media (max-width:820px){.grid3,.grid2{grid-template-columns:1fr}}

.card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.7rem;}
.tint .card{border:0;box-shadow:0 1px 3px rgba(20,15,5,.05)}
.card h3{font-size:1.12rem;margin-bottom:.55rem}
.card .num{font-size:.85rem;font-weight:800;color:var(--accent);letter-spacing:.14em;
           display:block;margin-bottom:.9rem}

/* project cards */
.pcard{position:relative;display:block;border-radius:6px;overflow:hidden;background:#222;
       aspect-ratio:4/4.6;color:#fff}
.pcard img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.pcard:hover img{transform:scale(1.045)}
.pcard .label{position:absolute;inset:auto 0 0 0;padding:2.4rem 1.3rem 1.15rem;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(8,8,8,.82));color:#fff}
.pcard .label strong{display:block;font-size:1.18rem;letter-spacing:-.01em}
.pcard .label em{font-style:normal;font-size:.85rem;color:#d8d5d0}

/* process */
.steps{counter-reset:step}
.steps .card{position:relative}

/* quote */
blockquote{border-left:3px solid var(--accent);padding:.4rem 0 .4rem 1.6rem;
  font-size:1.13rem;color:var(--ink);max-width:62ch}
blockquote footer{margin-top:.9rem;font-size:.9rem;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--ink);color:#d9d6d1;text-align:center;padding:4.2rem 0}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:.7rem}
.cta-band p{max-width:52ch;margin:0 auto 1.7rem}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gallery a{border-radius:4px;overflow:hidden;display:block;background:#222}
.gallery img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:opacity .2s}
.gallery a:hover img{opacity:.88}
@media (max-width:820px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* project meta */
.meta{display:flex;flex-wrap:wrap;gap:2.2rem;padding:1.3rem 0;border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);margin:2rem 0;font-size:.93rem}
.meta b{display:block;color:var(--ink);font-size:.78rem;text-transform:uppercase;
        letter-spacing:.12em;margin-bottom:.15rem}

/* page hero (inner pages) */
.page-hero{background:var(--stone);padding:4rem 0 3rem;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.7rem);max-width:22ch}
.page-hero p{margin-top:.8rem;max-width:58ch;font-size:1.1rem}

/* split rows (services/products) */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;
       padding:2.6rem 0;border-top:1px solid var(--line)}
.split:first-of-type{border-top:0}
.split img{border-radius:6px;width:100%;object-fit:cover;max-height:430px}
.split h3{font-size:1.35rem;margin-bottom:.6rem}
@media (max-width:820px){.split{grid-template-columns:1fr;gap:1.4rem}}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3.4rem}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-list{list-style:none;font-size:1.02rem}
.contact-list li{padding:.65rem 0;border-bottom:1px solid var(--line)}
.contact-list b{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.13em;
                color:var(--muted);margin-bottom:.1rem}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:600px){form .row{grid-template-columns:1fr}}
label{display:block;font-size:.86rem;font-weight:600;color:var(--ink);margin:.95rem 0 .3rem}
input,select,textarea{width:100%;padding:.68rem .8rem;border:1px solid #cfccc6;border-radius:4px;
  font:inherit;font-size:.98rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}

/* footer */
footer.site{background:#141414;color:#b9b5af;padding:3.6rem 0 2.4rem;font-size:.93rem}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.4rem;margin-bottom:2.6rem}
@media (max-width:820px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.16em;
               margin-bottom:.9rem}
footer.site a{color:#d8d5d0}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none}
footer.site li{padding:.22rem 0}
.foot-brand{font-family:"Space Grotesk",sans-serif;font-size:.95rem;font-weight:500;
            letter-spacing:.48em;color:#fff}
.foot-brand span{color:var(--accent)}
.legal{border-top:1px solid #2c2c2c;padding-top:1.4rem;font-size:.82rem;color:#8a867f;
       display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.foot-mark{font-family:"Space Grotesk",sans-serif;font-weight:500;text-align:center;
  font-size:clamp(3.4rem,14vw,11rem);line-height:1;letter-spacing:.12em;padding:3.2rem 0 0;
  color:transparent;-webkit-text-stroke:1px #33302c;user-select:none}