/* ============================================================
   HeatKept: premium consumer hardware.
   Neutral-dominant: near-black, white, warm stone. Amber is an
   accent only. Serif headlines, sans body. Product leads; type follows.
   ============================================================ */
@font-face{
  font-family:'Fraunces';src:url('fonts/fraunces-latin.woff2') format('woff2');
  font-weight:400 700;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215;
}
:root{
  --ink:#1C1B19;          /* near-black, the dominant colour */
  --ink-soft:#3A3835;
  --grey:#5E5B56;         /* 6.2:1 on white */
  --stone:#EDE9E3;        /* warm neutral surface */
  --stone-2:#F7F5F2;
  --white:#FFFFFF;
  --line:#DCD7CF;
  --amber:#965B09;        /* accent TEXT on light surfaces: AA on white 5.53, stone 5.08, warm stone 4.57 */
  --amber-btn:#DF870D;    /* the brand orange, used as a button FIELD with dark text: 6.24:1 */
  --amber-btn-h:#C4760A;  /* hover */
  --amber-hot:#DF870D;    /* focus ring / tiny highlights */
  --gut:clamp(18px,3vw,48px);
  --maxw:1500px;
  --read:660px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink-soft);
  font:17.5px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.read{max-width:var(--read)}
/* a text block with nothing beside it is centred on the page rather than
   left-hugging a container twice its width */
.read--mid{max-width:var(--read);margin-left:auto;margin-right:auto;text-align:center}
.read--mid .kicker{display:block}

h1,h2,h3{margin:0;font-family:'Fraunces',ui-serif,Georgia,serif;color:var(--ink);
  font-weight:600;line-height:1.08;letter-spacing:-.012em}
h1{font-size:clamp(38px,4.6vw,66px)}
h2{font-size:clamp(30px,3.3vw,46px)}
h3{font-size:clamp(20px,1.6vw,24px);line-height:1.25;font-weight:600}
p{margin:0}
.lead{font-size:clamp(17.5px,1.35vw,19.5px);line-height:1.62;color:var(--grey)}
.kicker{font-size:13.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);margin-bottom:18px}

/* ---------- buttons: one primary, one quiet text link ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:54px;
  padding:0 30px;border-radius:2px;font-size:16px;font-weight:650;letter-spacing:.01em;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  background:var(--ink);color:#fff;transition:background .2s}
.btn:hover{background:#000}
.btn--amber{background:var(--amber-btn);color:#1C1B19}
.btn--amber:hover{background:var(--amber-btn-h);color:#1C1B19}
.tlink{display:inline-flex;align-items:center;gap:7px;font-size:16.5px;font-weight:600;
  color:var(--ink);text-decoration:none;border-bottom:1.5px solid var(--line);padding:6px 0;
  min-height:44px}
.tlink:hover{border-bottom-color:var(--ink)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid var(--amber-hot);outline-offset:3px}

/* ---------- header ---------- */
.bar{background:var(--ink);color:#EFEBE4;text-align:center;padding:11px 20px;font-size:14.5px;letter-spacing:.02em}
header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.hd__logo img{height:24px;width:auto;filter:brightness(0)}
nav ul{display:flex;gap:34px;list-style:none;margin:0;padding:0}
nav a{color:var(--ink);text-decoration:none;font-size:16px;font-weight:550;
  padding:8px 0;border-bottom:1.5px solid transparent}
nav a:hover{border-bottom-color:var(--amber)}
.hd .btn{min-height:46px;padding:0 22px;font-size:15.5px}
.hd__menu{display:none;min-height:46px;min-width:46px;border:1px solid var(--line);background:none;
  border-radius:2px;font-size:15px;font-weight:650;color:var(--ink);cursor:pointer}

/* ---------- hero: the product owns the first screen ---------- */
.hero{position:relative;min-height:min(88svh,780px);display:flex;align-items:flex-end;
  background:#151412;overflow:hidden}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 55%}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,8,.42) 0%,rgba(10,9,8,.10) 34%,rgba(10,9,8,.72) 84%,rgba(10,9,8,.88) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(44px,6vw,80px)}
.hero h1{color:#fff;max-width:15ch;text-shadow:0 2px 40px rgba(0,0,0,.4)}
.hero .lead{color:#E4DFD7;max-width:44ch;margin-top:20px}
.hero__act{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:32px}
.hero__act .tlink{color:#fff;border-bottom-color:rgba(255,255,255,.4)}
.hero__act .tlink:hover{border-bottom-color:#fff}

/* trust strip, borrowed pattern: compact, factual, no boxes */
.trust{border-bottom:1px solid var(--line);background:var(--white)}
.trust ul{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 48px;list-style:none;
  margin:0;padding:18px 0;font-size:15.5px;color:var(--grey)}
.trust b{color:var(--ink);font-weight:650}

/* ---------- editorial sections ---------- */
section{position:relative}
.pad{padding:clamp(44px,4.6vw,84px) 0}
.stone{background:var(--stone-2)}
.dark{background:var(--ink);color:#D9D4CC}
.dark h2,.dark h3{color:#fff}
.dark .lead{color:#BDB7AE}
.dark .kicker{color:#E8A44A}

/* full-bleed image moment */
.bleed{width:100%;aspect-ratio:21/9;object-fit:cover;object-position:center 50%;display:block}
@media (max-width:760px){.bleed{aspect-ratio:4/3}}
.figure-note{padding:16px var(--gut) 0;font-size:14.5px;color:var(--grey);max-width:var(--maxw);margin:0 auto}

/* image → headline → short copy (the core rhythm) */


/* asymmetric product moment */
.offset{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,3.2vw,56px);align-items:center}
.offset > *{min-width:0}
.offset--even{grid-template-columns:1fr 1fr}
.offset__copy{max-width:46ch;align-self:center}
.offset--r{grid-template-columns:.85fr 1.15fr}
.offset--r .offset__media{order:2}
.offset__media img{width:100%;aspect-ratio:3/2;object-fit:cover;object-position:center 50%}
/* an isolated product on transparency must never be cropped */
.offset__media--sq img{aspect-ratio:1/1}


/* the numbers moment */
.figs{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,80px);align-items:start;
  max-width:1000px;margin:0 auto;text-align:center}
.fig__n{font-family:'Fraunces',ui-serif,Georgia,serif;font-size:clamp(64px,9vw,132px);
  line-height:.9;color:#fff;font-weight:600;letter-spacing:-.03em}
.fig__u{font-size:15px;letter-spacing:.18em;text-transform:uppercase;color:#E8A44A;margin-top:16px}
.fig p{margin-top:14px;color:#BDB7AE;max-width:32ch;margin-left:auto;margin-right:auto}

/* steps, no cards */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,2.6vw,44px);counter-reset:s}
.stepx{counter-increment:s;padding-top:22px;border-top:1px solid var(--line)}
.stepx::before{content:counter(s,decimal-leading-zero);font-family:'Fraunces',serif;font-size:15px;
  color:var(--amber);letter-spacing:.1em;display:block;margin-bottom:14px}
.dark .stepx{border-top-color:rgba(255,255,255,.18)}


/* the spec section gets its own centred measure so the composition is inset
   deliberately on both sides rather than sitting against the page gutter */
#specs > .wrap{max-width:1220px;margin-inline:auto}

/* ---------- specifications: two tiers ----------
   Four customer-facing figures read as one strip, separated by hairlines and
   sharing a baseline. Technical detail sits beneath, deliberately quieter. */
.spec-key{margin:clamp(22px,2.2vw,32px) 0 0;display:grid;grid-template-columns:repeat(4,1fr);
  column-gap:0}
.spec-key__i{display:grid;grid-template-rows:1fr auto;row-gap:10px;
  padding:0 clamp(18px,2vw,34px);border-left:1px solid var(--line)}
.spec-key__i:first-child{border-left:0;padding-left:0}
.spec-key__i:last-child{padding-right:0}
/* value sits on a shared baseline even when a neighbour wraps */
.spec-key__i dd{order:-1;align-self:end;margin:0;
  font-family:'Fraunces',ui-serif,Georgia,serif;font-weight:600;
  font-size:clamp(26px,2.35vw,34px);line-height:1.06;letter-spacing:-.02em;color:var(--ink)}
.spec-key__i dt{margin:0;font-size:12.5px;line-height:1.35;letter-spacing:.13em;
  text-transform:uppercase;color:var(--grey)}

.spec-tech{margin:clamp(24px,2.4vw,34px) 0 0;padding-top:clamp(18px,1.9vw,26px);
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(28px,3vw,54px)}
.spec-tech__i{display:grid;grid-template-columns:minmax(112px,40%) 1fr;gap:18px;
  align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line)}
.spec-tech__i dt{margin:0;font-size:14.5px;line-height:1.45;color:var(--grey)}
.spec-tech__i dd{margin:0;font-size:14.5px;line-height:1.45;font-weight:650;color:var(--ink)}

/* care */
/* mirrors .steps exactly: hairline above, small label where the number sits */
.care{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,2.6vw,44px);
  margin-top:clamp(30px,3vw,48px)}
.care > div{padding-top:22px;border-top:1px solid var(--line)}
.care h3{margin-bottom:0}
.care__k{font-family:'Fraunces',ui-serif,Georgia,serif;font-size:15px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;display:block;margin:0 0 14px}
.care__k--y{color:#1E6B2A}
.care__k--n{color:#A3301C}

/* faq */
.faq{margin-top:clamp(28px,3vw,44px);
  display:grid;grid-template-rows:repeat(4,auto);grid-auto-flow:column;
  column-gap:clamp(28px,3.5vw,64px);align-content:start}
details{border-bottom:1px solid var(--line)}
/* each column carries its own opening rule */
.faq > details:nth-child(1),.faq > details:nth-child(5){border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:24px 60px 24px 0;font-size:18.5px;font-weight:600;
  color:var(--ink);position:relative;min-height:56px;font-family:'Fraunces',serif}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:26px;font-weight:300;color:var(--amber);line-height:1;font-family:inherit}
details[open] summary::after{content:"\2212"}
details .a{padding:0 54px 26px 0;font-size:17px;line-height:1.7;color:var(--grey);max-width:72ch}

/* footer */
footer{background:var(--ink);color:#B7B1A8;padding:clamp(44px,4.4vw,68px) 0 32px;font-size:16px}
.ft{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(32px,4vw,64px);align-items:start}
.ft img{height:26px;width:auto;filter:brightness(0) invert(1);margin-bottom:20px}
.ft h4{margin:0 0 16px;font-size:13.5px;letter-spacing:.14em;text-transform:uppercase;color:#EFEBE4;font-weight:650}
.ft ul{list-style:none;margin:0;padding:0}
.ft li{margin-bottom:12px;line-height:1.5}
.ft a{color:#B7B1A8;text-decoration:none}
.ft a:hover{color:#fff;text-decoration:underline}
.ft .btn--amber{color:#1C1B19}
.ft .btn--amber:hover{color:#1C1B19}
.ft__cta{margin-top:22px;min-height:50px;padding:0 26px;font-size:15.5px}
.ft__legal{margin-top:clamp(38px,4vw,56px);padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:14.5px;color:#8D877E}

/* motion: one gentle reveal, nothing that moves on its own */
.rv{opacity:1;transform:none}
html.js .rv{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
html.js .rv.in{opacity:1;transform:none}

@media (max-width:1000px){
  .spec-key{grid-template-columns:repeat(2,1fr);row-gap:clamp(24px,3vw,36px)}
  .spec-key__i:nth-child(odd){border-left:0;padding-left:0}
  .spec-key__i:nth-child(even){padding-right:0}
}
@media (max-width:620px){
  .spec-tech{grid-template-columns:1fr}
}
@media (max-width:460px){
  .spec-key{grid-template-columns:1fr;row-gap:22px}
  .spec-key__i{border-left:0;padding:0}
}
@media (max-width:900px){
  .steps,.figs,.offset,.offset--r{grid-template-columns:1fr}
  .faq{grid-template-rows:none;grid-auto-flow:row}
  .faq > details:nth-child(5){border-top:0}
  .faq > details:nth-child(1){border-top:1px solid var(--line)}
  .care{grid-template-columns:1fr}
  .care > div{border-right:0}
  .offset--r .offset__media{order:0}
  nav{display:none}
  nav.open{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;
    border-bottom:1px solid var(--line);padding:8px var(--gut) 20px}
  nav.open ul{flex-direction:column;gap:0}
  nav.open a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-size:18px;min-height:52px}
  .hd__menu{display:inline-flex;align-items:center;justify-content:center}
  .hd{position:relative}
  .hero{min-height:auto;padding-top:clamp(48px,22vw,120px)}
  .hero__img{object-position:center 50%}
  .trust ul{gap:10px 26px;font-size:15px}
  .ft{grid-template-columns:1fr;gap:34px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .rv{opacity:1;transform:none;transition:none}
}


/* ---------- launch section: warmth radiating from a plate ----------
   Concentric rings reading as radiant heat, with a warm field rising through
   them. Static, low opacity, behind content. No glow blobs, nothing moving. */
#join{position:relative;overflow:hidden;isolation:isolate}
#join::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    repeating-radial-gradient(circle at 50% 44%,
      rgba(255,255,255,.055) 0 1px, rgba(255,255,255,0) 1px 74px),
    radial-gradient(circle at 50% 44%, rgba(223,135,13,.15) 0%, rgba(223,135,13,.05) 38%, transparent 66%);
  -webkit-mask-image:radial-gradient(circle at 50% 44%, #000 12%, rgba(0,0,0,.55) 46%, transparent 76%);
  mask-image:radial-gradient(circle at 50% 44%, #000 12%, rgba(0,0,0,.55) 46%, transparent 76%);
}
/* a hairline arc anchoring the rings, like the rim of the plate */
#join::after{
  content:"";position:absolute;left:50%;top:44%;width:min(560px,74vw);aspect-ratio:1;
  transform:translate(-50%,-50%);border-radius:50%;z-index:-1;pointer-events:none;
  border:1px solid rgba(223,135,13,.22);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 72%);
}
@media (max-width:760px){
  #join::before{background:
    repeating-radial-gradient(circle at 50% 40%, rgba(255,255,255,.05) 0 1px, rgba(255,255,255,0) 1px 52px),
    radial-gradient(circle at 50% 40%, rgba(223,135,13,.14), transparent 68%);}
}
@media (prefers-reduced-motion:reduce){#join::before,#join::after{transition:none}}