/* =========================================================
   NK WOOD — design tokens
   Palette pulled from the logo mark (ink + fern) plus timber
   tones for a sole-trader building business.
   ========================================================= */
:root{
  --paper:      #F2EEE4;
  --paper-dim:  #E6DFCF;
  --paper-line: #D8CEB8;
  --ink:        #221F1B;
  --ink-soft:   #4A453D;
  --timber:     #8B5E3C;
  --timber-dark:#5A3A22;
  --fern:       #4B5D3A;
  --fern-dim:   #6E8259;

  --display: 'Sora', -apple-system, sans-serif;
  --body: 'Work Sans', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max: 1120px;
  --edge: clamp(20px, 5vw, 64px);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--timber-dark); text-decoration:none; }
a:hover{ color:var(--timber); }
h1,h2,h3{
  font-family:var(--display);
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.08;
  margin:0 0 0.4em;
  color:var(--ink);
}
h1{ font-size:clamp(2.4rem, 5.6vw, 4.6rem); font-weight:800; }
h2{ font-size:clamp(1.8rem, 3.6vw, 2.6rem); }
h3{ font-size:clamp(1.15rem, 2.2vw, 1.4rem); }
p{ margin:0 0 1em; max-width:38em; }
.eyebrow{
  font-family:var(--body);
  font-weight:600;
  font-size:0.82rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--timber-dark);
  display:flex;
  align-items:center;
  gap:0.6em;
  margin-bottom:0.9em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--fern);
  display:inline-block;
}
.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--edge);
}
.visually-hidden{
  position:absolute; width:1px; height:1px;
  overflow:hidden; clip:rect(0,0,0,0);
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--fern);
  outline-offset:3px;
}

/* =========== header =========== */
.site-header{
  background:var(--ink);
  position:sticky; top:0; z-index:50;
  border-bottom:1px solid rgba(242,238,228,0.08);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
  gap:20px;
}
.brand{ display:flex; align-items:center; }
.brand img{ height:34px; width:auto; }
.brand .visually-hidden{ position:absolute; }
nav.primary-nav ul{
  display:flex;
  gap:clamp(14px, 2.4vw, 34px);
  list-style:none;
  margin:0; padding:0;
  font-family:var(--body);
  font-weight:600;
  font-size:0.92rem;
  letter-spacing:0.01em;
}
nav.primary-nav a{
  color:var(--paper);
  opacity:0.75;
  padding:6px 0;
  border-bottom:2px solid transparent;
}
nav.primary-nav a:hover,
nav.primary-nav a[aria-current="page"]{
  opacity:1;
  color:var(--paper);
  border-bottom-color:var(--fern-dim);
}
.nav-toggle{
  display:none;
  background:none; border:1px solid rgba(242,238,228,0.4);
  color:var(--paper); border-radius:4px;
  font-family:var(--mono); font-size:0.8rem;
  padding:8px 12px; letter-spacing:0.08em; text-transform:uppercase;
}

@media (max-width:720px){
  nav.primary-nav{
    position:absolute; left:0; right:0; top:100%;
    background:var(--ink);
    display:none;
    border-top:1px solid rgba(242,238,228,0.08);
  }
  nav.primary-nav.open{ display:block; }
  nav.primary-nav ul{
    flex-direction:column; gap:0;
    padding:8px var(--edge) 18px;
  }
  nav.primary-nav a{
    display:block; padding:12px 0;
    border-bottom:1px solid rgba(242,238,228,0.08);
  }
  .nav-toggle{ display:inline-block; }
  .site-header .wrap{ position:relative; }
}

/* =========== frond rule (signature divider) =========== */
.frond-rule{
  height:26px;
  margin:0;
  background-repeat:repeat-x;
  background-position:left center;
  background-size:34px 26px;
  opacity:0.55;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='34' height='26' viewBox='0 0 34 26'><line x1='1' y1='13' x2='33' y2='13' stroke='%234B5D3A' stroke-width='1'/><path d='M9 13 L1 4 M9 13 L1 22 M17 13 L9 4 M17 13 L9 22 M25 13 L17 4 M25 13 L17 22 M33 13 L25 4 M33 13 L25 22' stroke='%234B5D3A' stroke-width='1' fill='none'/></svg>");
}
.frond-rule.on-dark{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='34' height='26' viewBox='0 0 34 26'><line x1='1' y1='13' x2='33' y2='13' stroke='%23E6DFCF' stroke-width='1'/><path d='M9 13 L1 4 M9 13 L1 22 M17 13 L9 4 M17 13 L9 22 M25 13 L17 4 M25 13 L17 22 M33 13 L25 4 M33 13 L25 22' stroke='%23E6DFCF' stroke-width='1' fill='none'/></svg>");
  opacity:0.35;
}

/* =========== buttons =========== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:0.5em;
  font-family:var(--body);
  font-weight:600;
  font-size:0.95rem;
  letter-spacing:0.01em;
  padding:14px 28px;
  border-radius:4px;
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--paper);
  cursor:pointer;
  transition:transform 0.15s ease, background 0.15s ease;
}
.btn:hover{ background:var(--timber-dark); border-color:var(--timber-dark); color:var(--paper); transform:translateY(-1px); }
.btn.ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn.ghost:hover{ background:var(--ink); color:var(--paper); }
.btn.on-dark{ background:var(--fern); border-color:var(--fern); }
.btn.on-dark:hover{ background:var(--fern-dim); border-color:var(--fern-dim); }
.btn.ghost-light{
  background:transparent;
  color:var(--paper);
  border-color:rgba(242,238,228,0.65);
}
.btn.ghost-light:hover{ background:rgba(242,238,228,0.12); border-color:var(--paper); color:var(--paper); }

/* =========== hero (fern graphic, home page) =========== */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--paper);
  padding:clamp(64px,10vw,120px) 0 clamp(56px,9vw,100px);
}
.hero .wrap{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.3fr 0.9fr;
  gap:clamp(24px,5vw,64px);
  align-items:center;
}
.hero-fern-wrap{
  position:relative;
  height:clamp(320px,52vw,560px);
}
.hero-fern{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  color:var(--fern);
  opacity:0.9;
}
.hero-fern-wrap::before{
  content:"";
  position:absolute;
  inset:8% 18%;
  background:radial-gradient(closest-side, rgba(139,94,60,0.14), transparent 72%);
  z-index:-1;
}
@media (max-width:860px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-fern-wrap{ order:-1; height:220px; margin:0 auto; max-width:220px; }
}
.hero h1{ max-width:15ch; }
.hero .lede{
  font-size:1.15rem;
  max-width:32ch;
  color:var(--ink-soft);
}
.hero-actions{
  display:flex; flex-wrap:wrap; gap:14px;
  margin-top:28px;
}
.hero-meta{
  margin-top:48px;
  display:flex; flex-wrap:wrap; gap:32px;
  font-family:var(--body);
  font-size:0.88rem;
  color:var(--ink-soft);
  border-top:1px solid var(--paper-line);
  padding-top:20px;
  max-width:680px;
}
.hero-meta strong{ display:block; color:var(--ink); font-family:var(--body); font-size:1.05rem; font-weight:700; }

/* =========== generic section =========== */
.section{ padding:clamp(48px,8vw,88px) 0; }
.section.dim{ background:var(--paper-dim); }
.section.ink{ background:var(--ink); color:var(--paper); }
.section.ink h2, .section.ink h3{ color:var(--paper); }
.section.ink p{ color:#D9D2C1; }
.section-head{ max-width:44em; margin-bottom:2.4em; }

/* card grid */
.grid{
  display:grid;
  gap:28px;
  grid-template-columns:repeat(3,1fr);
}
@media (max-width:860px){ .grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid{ grid-template-columns:1fr; } }

.card{
  background:var(--paper);
  border:1px solid var(--paper-line);
  padding:28px;
}
.card .mark{
  width:30px; height:30px;
  margin-bottom:16px;
  color:var(--fern);
}
.card h3{ margin-bottom:0.5em; }
.card p{ margin:0; color:var(--ink-soft); font-size:0.98rem; }

/* =========== testimonials / customer stories =========== */
.story{
  border-top:1px solid var(--paper-line);
  padding:36px 0;
  display:grid;
  grid-template-columns:1fr 2.4fr;
  gap:28px;
}
.story:first-of-type{ border-top:none; }
@media (max-width:720px){ .story{ grid-template-columns:1fr; gap:12px; } }
.story .who{ font-family:var(--mono); font-size:0.85rem; color:var(--ink-soft); }
.story .who strong{ display:block; font-family:var(--body); color:var(--ink); font-size:1.05rem; font-weight:600; }
.story blockquote{
  margin:0;
  font-size:1.15rem;
  line-height:1.55;
  color:var(--ink);
}
.story blockquote::before{ content:"“"; color:var(--fern); font-family:var(--display); font-size:1.4em; }

/* =========== values list =========== */
.values-list{
  display:grid; gap:0;
  border-top:1px solid var(--paper-line);
}
.value-row{
  display:grid;
  grid-template-columns:1.1fr 2.4fr;
  gap:28px;
  padding:30px 0;
  border-bottom:1px solid var(--paper-line);
}
@media (max-width:720px){ .value-row{ grid-template-columns:1fr; gap:8px; } }
.value-row .num{
  font-family:var(--mono);
  color:var(--fern);
  font-size:0.85rem;
}
.value-row h3{ margin-top:6px; }
.value-row p{ color:var(--ink-soft); margin:0; }

/* =========== about page =========== */
.about-grid{
  display:grid;
  grid-template-columns:1.1fr 1.5fr;
  gap:52px;
  align-items:start;
}
@media (max-width:800px){ .about-grid{ grid-template-columns:1fr; } }
.portrait-frame{
  border:1px solid var(--paper-line);
  background:var(--paper-dim);
  padding:18px;
}
.portrait-frame img{ width:100%; }
.portrait-frame figcaption{
  font-family:var(--mono);
  font-size:0.78rem;
  color:var(--ink-soft);
  margin-top:12px;
  letter-spacing:0.02em;
}
.stat-row{
  display:flex; gap:40px; margin-top:28px; flex-wrap:wrap;
}
.stat-row div strong{
  display:block;
  font-family:var(--display);
  font-size:2.1rem;
  color:var(--timber-dark);
  line-height:1;
}
.stat-row div span{
  font-family:var(--mono);
  font-size:0.75rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
}

/* =========== enquiry form =========== */
.form-shell{
  background:var(--paper);
  border:1px solid var(--paper-line);
  padding:clamp(24px,4vw,44px);
  max-width:640px;
}
.field{ margin-bottom:22px; }
.field label{
  display:block;
  font-family:var(--mono);
  font-size:0.78rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:8px;
}
.field input, .field select, .field textarea{
  width:100%;
  font-family:var(--body);
  font-size:1rem;
  padding:12px 14px;
  border:1px solid var(--paper-line);
  background:var(--paper);
  color:var(--ink);
  border-radius:2px;
}
.field textarea{ resize:vertical; min-height:120px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:560px){ .field-row{ grid-template-columns:1fr; } }
.form-note{
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--ink-soft);
  margin-top:16px;
}
.direct-contact{
  display:flex; flex-direction:column; gap:14px;
}
.direct-contact a.btn{ align-self:flex-start; }

/* =========== footer =========== */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:52px 0 30px;
}
.site-footer .wrap{
  display:flex;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.site-footer .logo-col img{ height:30px; margin-bottom:14px; }
.site-footer .logo-col p{ color:#B9B2A0; font-size:0.92rem; max-width:26em; }
.footer-nav ul{
  list-style:none; margin:0; padding:0;
  display:flex; flex-direction:column; gap:10px;
  font-family:var(--mono); font-size:0.85rem;
}
.footer-nav a{ color:#D9D2C1; }
.footer-nav a:hover{ color:var(--paper); }
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(242,238,228,0.1);
  font-family:var(--mono);
  font-size:0.75rem;
  color:#8A8375;
}
.footer-bottom .wrap{ justify-content:space-between; }

/* =========== page hero (non-home pages) =========== */
.page-hero{
  padding:clamp(46px,8vw,80px) 0 clamp(30px,5vw,48px);
  border-bottom:1px solid var(--paper-line);
}
.page-hero p{ color:var(--ink-soft); font-size:1.08rem; }

/* =========== my work gallery =========== */
.work-project{
  padding:clamp(40px,6vw,64px) 0;
  border-bottom:1px solid var(--paper-line);
}
.work-project-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:24px;
}
.work-project-head h2{ margin:0; }
.work-project-head .count{
  font-family:var(--body);
  font-size:0.85rem;
  color:var(--ink-soft);
}
.work-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
@media (max-width:860px){ .work-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .work-grid{ grid-template-columns:1fr; } }
.work-thumb{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  border:1px solid var(--paper-line);
  cursor:zoom-in;
  background:var(--paper-dim);
  padding:0;
}
.work-thumb img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  transition:transform 0.4s ease;
}
.work-thumb:hover img{ transform:scale(1.05); }
.work-thumb:focus-visible{ outline:3px solid var(--fern); outline-offset:2px; }

.lightbox{
  position:fixed;
  inset:0;
  z-index:100;
  background:rgba(21,19,16,0.94);
  display:none;
  align-items:center;
  justify-content:center;
  padding:40px 20px;
}
.lightbox.open{ display:flex; }
.lightbox figure{
  margin:0;
  max-width:min(92vw, 1200px);
  max-height:88vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
}
.lightbox img{
  max-width:100%;
  max-height:78vh;
  object-fit:contain;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
}
.lightbox figcaption{
  color:#D9D2C1;
  font-family:var(--body);
  font-size:0.9rem;
}
.lightbox-close{
  position:absolute;
  top:20px; right:24px;
  background:none;
  border:1px solid rgba(242,238,228,0.5);
  color:var(--paper);
  width:40px; height:40px;
  border-radius:50%;
  font-size:1.2rem;
  cursor:pointer;
  line-height:1;
}
.lightbox-close:hover{ background:rgba(242,238,228,0.12); }