/* ============================================================
   THE RIVETEER — shared stylesheet
   Palette, type and motion derived from the channel identity.
   ============================================================ */

:root{
  --graphite:#1E2328;
  --plate:#252B31;
  --plate-2:#2C333A;
  --slate:#45535E;
  --steel:#8A9199;
  --bone:#EFEAE0;
  --signal:#E85D1F;
  --signal-dim:#B84714;
  --rust:#4A1B0C;

  --grid-line:rgba(138,145,153,.07);
  --hair:rgba(138,145,153,.18);
  --hair-strong:rgba(138,145,153,.32);

  --display:'Oswald',system-ui,sans-serif;
  --body:'Archivo',system-ui,sans-serif;
  --data:'JetBrains Mono',ui-monospace,monospace;

  --wrap:1180px;
  --nav-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 24px)}

body{
  margin:0;
  background:var(--graphite);
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:40px 40px;
  color:var(--bone);
  font-family:var(--body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit}

.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.02;margin:0;letter-spacing:.005em}
h1{font-size:clamp(2.9rem,8.5vw,5.6rem);text-transform:uppercase}
h2{font-size:clamp(2rem,5vw,3.3rem);text-transform:uppercase}
h3{font-size:clamp(1.15rem,2.3vw,1.5rem);text-transform:uppercase}
p{margin:0 0 1.1rem}
p:last-child{margin-bottom:0}

.eyebrow{
  font-family:var(--data);font-size:.72rem;font-weight:700;
  letter-spacing:.19em;text-transform:uppercase;color:var(--signal);
  display:flex;align-items:center;gap:.7rem;margin-bottom:1.1rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--hair)}

.lede{font-size:clamp(1.02rem,1.7vw,1.2rem);color:#C6CBD0;max-width:62ch}
.muted{color:var(--steel)}
.data{font-family:var(--data);font-size:.78rem;letter-spacing:.08em;color:var(--steel)}

/* ---------- signature: dimension annotation ---------- */
.annot{
  font-family:var(--data);font-size:.7rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--rust);background:var(--signal);
  padding:.28rem .6rem;display:inline-block;white-space:nowrap;
}
.annot--ghost{background:none;color:var(--signal);border:1px solid var(--signal);padding:.24rem .56rem}

.dim{display:flex;align-items:center;gap:.65rem;font-family:var(--data);
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.dim::before{content:"";width:26px;height:1px;background:var(--signal);flex:none}

/* ---------- riveted seam divider ---------- */
.seam{position:relative;height:9px;background:var(--slate);margin:0;
  border-block:1px solid rgba(0,0,0,.35)}
.seam::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 6px 4px,#5D6C78 0 3px,transparent 3.5px);
  background-size:48px 9px;
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  background:rgba(30,35,40,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--hair);
}
.nav__in{height:100%;display:flex;align-items:center;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;flex:none}
.brand img{width:34px;height:34px;border-radius:50%}
.brand span{font-family:var(--display);font-weight:700;text-transform:uppercase;
  font-size:1.12rem;letter-spacing:.02em}

.nav__links{display:flex;gap:.35rem;margin-left:auto;align-items:center}
.nav__links a{
  position:relative;text-decoration:none;font-family:var(--data);
  font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--steel);padding:.55rem .8rem;transition:color .2s var(--ease);
}
.nav__links a::after{
  content:"";position:absolute;left:.8rem;right:.8rem;bottom:.3rem;height:2px;
  background:var(--signal);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav__links a:hover{color:var(--bone)}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{transform:scaleX(1)}
.nav__links a[aria-current="page"]{color:var(--bone)}

.nav__cta{
  background:var(--signal);color:var(--rust)!important;font-weight:700!important;
  margin-left:.6rem;
}
.nav__cta::after{display:none}
.nav__cta:hover{background:#F26A28}

.burger{display:none;margin-left:auto;background:none;border:1px solid var(--hair-strong);
  color:var(--bone);width:42px;height:38px;cursor:pointer;font-size:1.1rem;line-height:1}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(3rem,7vw,5.5rem) 0 clamp(2.5rem,5vw,4rem);overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.hero h1{margin-bottom:1.4rem}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line > span{display:block;transform:translateY(105%);
  animation:riseIn .9s var(--ease) forwards}
.hero h1 .line:nth-child(2) > span{animation-delay:.1s}
.hero h1 em{font-style:normal;color:var(--signal)}

.hero__sub{opacity:0;animation:fadeUp .8s var(--ease) .42s forwards}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem;
  opacity:0;animation:fadeUp .8s var(--ease) .56s forwards}

.hero__stats{display:flex;gap:2.2rem;margin-top:2.6rem;padding-top:1.4rem;
  border-top:1px solid var(--hair);opacity:0;animation:fadeUp .8s var(--ease) .7s forwards}
.hero__stats div{display:flex;flex-direction:column;gap:.15rem}
.hero__stats b{font-family:var(--display);font-size:1.55rem;font-weight:700;color:var(--bone)}
.hero__stats span{font-family:var(--data);font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--steel)}

@keyframes riseIn{to{transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ---------- hero drawing ---------- */
.drawing{width:100%;height:auto}
.drawing .ink{stroke:var(--steel);fill:none;stroke-width:1.2}
.drawing .ink-b{stroke:var(--bone);fill:none;stroke-width:1.6}
.drawing .hatch{stroke:var(--slate);stroke-width:1}
.drawing .dimline{stroke:var(--signal);stroke-width:1;fill:none}
.drawing .lbl{font-family:var(--data);font-size:9.5px;fill:var(--steel);letter-spacing:.1em}
.drawing .lbl-o{font-family:var(--data);font-size:9.5px;fill:var(--signal);
  font-weight:700;letter-spacing:.1em}

.draw-on{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);
  animation:drawLine 1.5s var(--ease) forwards}
@keyframes drawLine{to{stroke-dashoffset:0}}

.pop{opacity:0;transform-box:fill-box;transform-origin:center;transform:scale(.4);
  animation:popIn .5s var(--ease) forwards}
@keyframes popIn{to{opacity:1;transform:scale(1)}}

.fade-el{opacity:0;animation:fadeEl .6s var(--ease) forwards}
@keyframes fadeEl{to{opacity:1}}

.spin-slow{transform-box:fill-box;transform-origin:center;
  animation:spin 26s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;
  font-family:var(--data);font-size:.76rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;padding:.95rem 1.5rem;border:1px solid transparent;
  cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease),
    border-color .22s var(--ease),transform .18s var(--ease);
}
.btn--primary{background:var(--signal);color:var(--rust)}
.btn--primary:hover{background:#F97032;transform:translateY(-2px)}
.btn--ghost{background:none;color:var(--bone);border-color:var(--hair-strong)}
.btn--ghost:hover{border-color:var(--signal);color:var(--signal);transform:translateY(-2px)}
.btn--block{width:100%;justify-content:center}

/* ---------- sections ---------- */
.sec{padding:clamp(3.5rem,7vw,6rem) 0}
.sec--plate{background:var(--plate)}
.sec__head{margin-bottom:2.6rem;max-width:70ch}
.sec__head p{margin-top:.9rem}

/* ---------- ticker ---------- */
.ticker{background:var(--signal);color:var(--rust);overflow:hidden;padding:.6rem 0}
.ticker__track{display:flex;gap:3rem;width:max-content;animation:slide 34s linear infinite}
.ticker span{font-family:var(--data);font-size:.72rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;white-space:nowrap}
@keyframes slide{to{transform:translateX(-50%)}}
.ticker:hover .ticker__track{animation-play-state:paused}

/* ---------- cards ---------- */
.grid{display:grid;gap:1.4rem}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}

.card{
  position:relative;background:var(--plate);border:1px solid var(--hair);
  text-decoration:none;color:inherit;display:flex;flex-direction:column;
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.sec--plate .card{background:var(--graphite)}
.card:hover{border-color:var(--signal);transform:translateY(-5px)}
.card:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

.card__thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#171B1F;
  display:flex;align-items:center;justify-content:center}
.card__thumb::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:26px 26px;
}
.card__glyph{position:relative;width:54px;height:54px;border-radius:50%;
  border:2px solid var(--slate);display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:700;font-size:1.3rem;color:var(--slate);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .4s var(--ease)}
.card:hover .card__glyph{border-color:var(--signal);color:var(--signal);transform:rotate(90deg)}

.card__tag{position:absolute;top:.8rem;left:.8rem;z-index:2}
.card__dur{position:absolute;bottom:.8rem;right:.8rem;z-index:2;
  font-family:var(--data);font-size:.68rem;background:rgba(30,35,40,.85);
  padding:.2rem .45rem;color:var(--steel)}

.card__body{padding:1.25rem 1.35rem 1.5rem;flex:1;display:flex;flex-direction:column}
.card__body h3{margin-bottom:.55rem;font-size:1.18rem}
.card__body p{font-size:.92rem;color:#B9BFC5;margin-bottom:1rem}
.card__meta{margin-top:auto;display:flex;justify-content:space-between;
  align-items:center;gap:1rem;padding-top:.9rem;border-top:1px solid var(--hair)}
.card__meta .price{font-family:var(--display);font-size:1.3rem;color:var(--bone)}
.card__arrow{font-family:var(--data);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--signal);display:flex;align-items:center;gap:.4rem}
.card__arrow i{display:inline-block;transition:transform .28s var(--ease);font-style:normal}
.card:hover .card__arrow i{transform:translateX(5px)}

/* ---------- principles ---------- */
.prin{border-left:2px solid var(--hair);padding:.2rem 0 .2rem 1.4rem;
  transition:border-color .3s var(--ease)}
.prin:hover{border-color:var(--signal)}
.prin h3{font-size:1.1rem;margin-bottom:.5rem}
.prin p{font-size:.94rem;color:#B9BFC5}
.prin .dim{margin-bottom:.7rem}

/* ---------- featured build ---------- */
.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.6rem,3.5vw,3rem);
  align-items:center;background:var(--plate);border:1px solid var(--hair);padding:clamp(1.4rem,3vw,2.4rem)}
.feature__media{position:relative;aspect-ratio:16/9;background:#171B1F;
  border:1px solid var(--hair);display:flex;align-items:center;justify-content:center}
.feature__media::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:30px 30px}
.play{position:relative;width:74px;height:74px;border-radius:50%;background:var(--signal);
  border:none;cursor:pointer;display:grid;place-items:center;color:var(--rust);
  transition:transform .3s var(--ease)}
.play::after{content:"";border-left:20px solid currentColor;border-block:12px solid transparent;
  margin-left:5px}
.play:hover{transform:scale(1.09)}
.play::before{content:"";position:absolute;inset:-10px;border-radius:50%;
  border:1px solid var(--signal);opacity:.5;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.6}100%{transform:scale(1.4);opacity:0}}

/* ---------- email capture ---------- */
.signup{position:relative;background:var(--plate);border:1px solid var(--hair);
  padding:clamp(1.8rem,4vw,3.2rem);overflow:hidden}
.signup::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--signal);transform-origin:left}
.signup__in{position:relative;display:grid;grid-template-columns:1fr .85fr;
  gap:clamp(1.5rem,4vw,3.5rem);align-items:center}

.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}
.field label{font-family:var(--data);font-size:.68rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--steel)}
.field input,.field textarea,.field select{
  background:var(--graphite);border:1px solid var(--hair-strong);color:var(--bone);
  font-family:var(--body);font-size:.98rem;padding:.85rem .95rem;width:100%;
  transition:border-color .2s var(--ease);
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(232,93,31,.16)}
.field input::placeholder,.field textarea::placeholder{color:#5F6B74}
.form-note{font-family:var(--data);font-size:.68rem;letter-spacing:.09em;
  color:var(--steel);margin-top:.85rem}
.hp{position:absolute;left:-9999px}

/* ---------- shop filter ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2.2rem}
.filters button{
  background:none;border:1px solid var(--hair-strong);color:var(--steel);
  font-family:var(--data);font-size:.72rem;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;padding:.55rem 1rem;cursor:pointer;
  transition:all .22s var(--ease);
}
.filters button:hover{color:var(--bone);border-color:var(--steel)}
.filters button[aria-pressed="true"]{background:var(--signal);color:var(--rust);
  border-color:var(--signal);font-weight:700}

.is-hidden{display:none!important}

/* ---------- about ---------- */
.about__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);
  align-items:start}
.portrait{position:relative;border:1px solid var(--hair);background:var(--plate);
  aspect-ratio:1;display:grid;place-items:center;overflow:hidden}
.portrait::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:34px 34px}
.portrait img{position:relative;width:52%;border-radius:50%}
.portrait .annot{position:absolute;bottom:1rem;left:1rem;z-index:2}

.speclist{list-style:none;margin:2rem 0 0;padding:0;border-top:1px solid var(--hair)}
.speclist li{display:flex;justify-content:space-between;gap:1.5rem;padding:.85rem 0;
  border-bottom:1px solid var(--hair);font-size:.94rem}
.speclist b{font-family:var(--data);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel);font-weight:500;flex:none}
.speclist span{text-align:right;color:#C6CBD0}

/* ---------- footer ---------- */
.foot{background:var(--plate);padding:3rem 0 2rem;border-top:1px solid var(--hair)}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.foot h4{font-size:.78rem;font-family:var(--data);font-weight:700;letter-spacing:.16em;
  color:var(--steel);text-transform:uppercase;margin-bottom:1rem}
.foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.55rem}
.foot a{text-decoration:none;color:#B9BFC5;font-size:.92rem;transition:color .2s var(--ease)}
.foot a:hover{color:var(--signal)}
.foot__bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;
  padding-top:1.6rem;border-top:1px solid var(--hair);font-family:var(--data);
  font-size:.68rem;letter-spacing:.1em;color:var(--steel)}

/* ---------- scroll reveal ---------- */
.rv{opacity:0;transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}.rv-d2{transition-delay:.18s}.rv-d3{transition-delay:.27s}

:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero__grid,.feature,.signup__in,.about__grid{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  .nav__links{
    position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;gap:0;
    background:var(--plate);border-bottom:1px solid var(--hair);
    padding:.6rem 1.25rem 1.2rem;margin:0;display:none;
  }
  .nav__links.open{display:flex}
  .nav__links a{padding:.9rem .2rem;font-size:.85rem;width:100%}
  .nav__links a::after{left:.2rem;right:auto;width:34px}
  .nav__cta{margin:.7rem 0 0;justify-content:center;display:flex;padding:.9rem}
}
@media (max-width:560px){
  .hero__stats{gap:1.4rem;flex-wrap:wrap}
  .foot__grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .rv{opacity:1;transform:none}
  .hero h1 .line > span{transform:none}
  .hero__sub,.hero__actions,.hero__stats{opacity:1}
  .draw-on{stroke-dashoffset:0}
  .pop,.fade-el{opacity:1;transform:none}
}