/* =========================================================
   Sylph Crafts — design tokens
   Palette grounded in the material world of Moradabad brass &
   copper craft: burnished brass, oxidised copper, verdigris
   patina, warm parchment paper, and deep ink.
   ========================================================= */
:root{
  --ink:        #211a15;
  --ink-soft:   #3a2f26;
  --parchment:  #ede3d1;
  --parchment-2:#e2d5bd;
  --paper:      #f7f2e7;
  --brass:      #ab8a42;
  --brass-hi:   #cba85f;
  --copper:     #a45a3a;
  --copper-hi:  #c17550;
  --verdigris:  #566f63;
  --verdigris-hi:#7c9a8a;
  --line:       rgba(33,26,21,0.14);
  --line-on-dark: rgba(237,227,209,0.18);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mark: "Space Mono", "SFMono-Regular", monospace;

  --radius: 3px;
  --container: 1180px;
  --pad: clamp(20px, 5vw, 64px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  margin:0 0 .5em;
  color:var(--ink);
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
section{position:relative;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--copper);
  outline-offset:3px;
}

/* -------------------- eyebrow / hallmark label -------------------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mark);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--copper);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--copper);
  display:inline-block;
}
.eyebrow.on-dark{color:var(--brass-hi);}
.eyebrow.on-dark::before{background:var(--brass-hi);}

/* -------------------- header / nav -------------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,242,231,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px var(--pad);
  max-width:var(--container);
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:600;
  letter-spacing:.02em;
}
.brand .mark{width:34px;height:34px;flex:none;}
.brand small{
  display:block;
  font-family:var(--font-mark);
  font-size:.58rem;
  letter-spacing:.18em;
  font-weight:400;
  color:var(--verdigris);
  text-transform:uppercase;
  margin-top:2px;
}
nav.links{
  display:flex;
  align-items:center;
  gap:2.2rem;
}
nav.links a{
  font-size:.86rem;
  letter-spacing:.03em;
  color:var(--ink-soft);
  position:relative;
  padding:4px 0;
}
nav.links a.active,
nav.links a:hover{color:var(--copper);}
nav.links a.active::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;
  height:2px;background:var(--copper);
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:.72em 1.4em;
  border-radius:var(--radius);
  font-size:.82rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-family:var(--font-mark);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn-primary{
  background:var(--copper);
  color:var(--paper);
}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);}
.btn-ghost{
  border-color:var(--ink);
  color:var(--ink);
  background:transparent;
}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-2px);}
.btn-ghost.on-dark{border-color:var(--line-on-dark);color:var(--parchment);}
.btn-ghost.on-dark:hover{border-color:var(--brass-hi);color:var(--brass-hi);}

.nav-toggle{display:none;}

/* -------------------- hero (dark, hammered texture) -------------------- */
.hero{
  background:
    radial-gradient(ellipse at 15% -10%, rgba(171,138,66,0.18), transparent 55%),
    radial-gradient(ellipse at 100% 0%, rgba(86,111,99,0.16), transparent 45%),
    var(--ink);
  color:var(--parchment);
  overflow:hidden;
  position:relative;
}
.hero::before{
  /* hammered-metal stipple */
  content:"";
  position:absolute;inset:0;
  opacity:.5;
  mix-blend-mode:overlay;
  background-image:
    radial-gradient(rgba(255,255,255,.09) 1px, transparent 1.4px);
  background-size:7px 7px;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:96px var(--pad) 84px;
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.hero h1{
  color:var(--paper);
  font-size:clamp(2.6rem, 5.2vw, 4.2rem);
  line-height:1.03;
  margin:.4em 0 .4em;
}
.hero h1 em{
  font-style:italic;
  color:var(--brass-hi);
}
.hero p.lede{
  font-size:1.08rem;
  color:var(--parchment-2);
  max-width:46ch;
  margin-bottom:2em;
}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;}

.seal-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}
.seal{
  width:min(280px, 80%);
  height:auto;
  animation:seal-spin 60s linear infinite;
}
@keyframes seal-spin{to{transform:rotate(360deg);}}
@media (prefers-reduced-motion: reduce){ .seal{animation:none;} }

/* stamped tag strip */
.tagstrip{
  border-top:1px solid var(--line-on-dark);
  position:relative;
  z-index:2;
}
.tagstrip .marquee{
  display:flex;
  gap:2.4rem;
  padding:16px var(--pad);
  overflow:hidden;
  white-space:nowrap;
  font-family:var(--font-mark);
  font-size:.74rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--parchment-2);
}
.tagstrip .marquee span{opacity:.85;}
.tagstrip .marquee span::after{content:"·"; margin-left:2.4rem; color:var(--copper-hi);}

/* -------------------- page hero (light, for interior pages) -------------------- */
.page-hero{
  padding:76px var(--pad) 48px;
  max-width:var(--container);
  margin:0 auto;
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,3.2rem);}
.page-hero p.lede{max-width:60ch;font-size:1.05rem;color:var(--ink-soft);}

/* -------------------- section spacing -------------------- */
.section{padding:88px var(--pad);}
.section.tight{padding:56px var(--pad);}
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);}
.section.on-parchment{background:var(--parchment);}
.section.on-ink{background:var(--ink);color:var(--parchment);}
.section.on-ink h2, .section.on-ink h3{color:var(--paper);}

/* -------------------- about split -------------------- */
.split{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.split img{
  border-radius:var(--radius);
  box-shadow:0 22px 44px -20px rgba(33,26,21,.35);
}
.split .kicker-copy p{color:var(--ink-soft);}

/* -------------------- pillars (policy cards) -------------------- */
.pillars{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.pillar{
  background:var(--paper);
  padding:36px 32px;
}
.pillar .num{
  font-family:var(--font-mark);
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--copper);
}
.pillar h3{margin-top:.6em;font-size:1.3rem;}
.pillar p{color:var(--ink-soft);font-size:.95rem;margin-bottom:0;}

/* -------------------- product grid -------------------- */
.grid{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:28px;
}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 40px -24px rgba(33,26,21,.3);}
.card .thumb{
  aspect-ratio:4/3.2;
  overflow:hidden;
  background:var(--parchment);
}
.card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.card:hover .thumb img{transform:scale(1.06);}
.card .cardbody{padding:16px 18px 20px;}
.card .tag{
  font-family:var(--font-mark);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper);
  display:block;
  margin-bottom:6px;
}
.card h3{font-size:1.05rem;margin-bottom:.2em;}
.card p{font-size:.88rem;color:var(--ink-soft);margin-bottom:0;}

/* reveal on scroll */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1; transform:none;}

/* -------------------- group heading (products page) -------------------- */
.group-head{
  display:flex;
  align-items:baseline;
  gap:18px;
  max-width:var(--container);
  margin:0 auto 32px;
  padding-top:8px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.group-head .idx{
  font-family:var(--font-mark);
  font-size:.78rem;
  color:var(--verdigris);
  letter-spacing:.1em;
}
.group-head h2{font-size:1.5rem;margin:0;}
.group-head p{margin:0;font-size:.92rem;color:var(--ink-soft);}

/* -------------------- stats row -------------------- */
.stats{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  border-top:1px solid var(--line-on-dark);
  border-bottom:1px solid var(--line-on-dark);
  padding:40px 0;
}
.stat b{
  display:block;
  font-family:var(--font-display);
  font-size:2.4rem;
  color:var(--brass-hi);
}
.stat span{
  font-family:var(--font-mark);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--parchment-2);
}

/* -------------------- timeline -------------------- */
.timeline{
  max-width:var(--container);
  margin:0 auto;
  position:relative;
  padding-left:28px;
  border-left:1px solid var(--line);
}
.tl-item{position:relative;padding:0 0 40px 28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;left:-33px;top:4px;
  width:9px;height:9px;border-radius:50%;
  background:var(--copper);
  box-shadow:0 0 0 4px var(--paper), 0 0 0 5px var(--line);
}
.tl-item .yr{
  font-family:var(--font-mark);
  color:var(--copper);
  font-size:.82rem;
  letter-spacing:.08em;
}
.tl-item h4{margin:.3em 0 .3em;font-size:1.15rem;}
.tl-item p{color:var(--ink-soft);margin:0;font-size:.94rem;}

/* -------------------- CTA band -------------------- */
.cta-band{
  background:var(--ink);
  color:var(--parchment);
  text-align:center;
  padding:90px var(--pad);
}
.cta-band h2{color:var(--paper);font-size:clamp(2rem,4vw,2.8rem);max-width:18ch;margin:0 auto .3em;}
.cta-band p{color:var(--parchment-2);max-width:50ch;margin:0 auto 2em;}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* -------------------- footer -------------------- */
footer.site-footer{
  background:var(--ink);
  color:var(--parchment-2);
  padding:56px var(--pad) 28px;
}
.footer-inner{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line-on-dark);
}
.footer-inner h4{
  color:var(--brass-hi);
  font-family:var(--font-mark);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:1em;
}
.footer-inner p, .footer-inner a{
  font-size:.9rem;
  color:var(--parchment-2);
  display:block;
  margin-bottom:.5em;
}
.footer-inner a:hover{color:var(--brass-hi);}
.foot-brands{
  max-width:var(--container);
  margin:26px auto 0;
  display:flex;
  gap:40px;
  flex-wrap:wrap;
}
.foot-brands div b{
  font-family:var(--font-display);
  font-size:1.05rem;
  color:var(--paper);
  display:block;
}
.foot-brands div span{font-size:.78rem;color:var(--verdigris-hi);}
.foot-bottom{
  max-width:var(--container);
  margin:28px auto 0;
  font-size:.78rem;
  color:var(--verdigris-hi);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}

/* -------------------- contact page -------------------- */
.contact-wrap{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:56px;
}
.contact-card{
  background:var(--ink);
  color:var(--parchment);
  padding:40px;
  border-radius:var(--radius);
}
.contact-card h3{color:var(--paper);}
.contact-line{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-top:1px solid var(--line-on-dark);
}
.contact-line:first-of-type{border-top:none;}
.contact-line .ic{color:var(--brass-hi);flex:none;margin-top:2px;}
.contact-line b{display:block;font-family:var(--font-mark);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--verdigris-hi);margin-bottom:2px;}
form.enquiry{display:grid;gap:16px;}
.field{display:grid;gap:6px;}
.field label{
  font-family:var(--font-mark);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.field input, .field textarea, .field select{
  font-family:var(--font-body);
  font-size:.95rem;
  padding:.85em 1em;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--paper);
  color:var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color:var(--copper);
}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:.8rem;color:var(--ink-soft);}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;padding-top:56px;}
  .seal-wrap{order:-1;}
  .seal{width:140px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .pillars{grid-template-columns:1fr;}
  .grid{grid-template-columns:repeat(2,1fr);}
  .grid.cols-3{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
}
@media (max-width: 680px){
  .nav-inner{padding:12px var(--pad);}
  .brand{font-size:1rem;gap:8px;}
  .brand .mark{width:28px;height:28px;}
  .brand small{display:none;}
  .btn.btn-primary{padding:.6em 1em;font-size:.72rem;}
  nav.links{
    position:fixed;
    inset:64px 0 0 0;
    background:var(--paper);
    flex-direction:column;
    padding:32px var(--pad);
    gap:1.6rem;
    align-items:flex-start;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease, transform .25s ease;
    border-top:1px solid var(--line);
  }
  nav.links.open{opacity:1;transform:none;pointer-events:auto;}
  .nav-toggle{
    display:inline-flex;
    background:none;border:none;
    width:34px;height:34px;
    align-items:center;justify-content:center;
    cursor:pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;
    transition:transform .2s ease, opacity .2s ease;
  }
  .nav-toggle span::before{position:absolute;top:-6px;}
  .nav-toggle span::after{position:absolute;top:6px;}
  .grid{grid-template-columns:1fr 1fr;}
  .grid.cols-3{grid-template-columns:1fr 1fr;}
  .two-col{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width: 460px){
  .grid, .grid.cols-3{grid-template-columns:1fr 1fr;}
}