/* ============================================================
   FOUNDER FORMULA™ — Design System
   Paper-and-ember editorial system for a one person business.
   ============================================================ */

:root{
  /* surface */
  --paper:      #F6F0E2;   /* primary cream page */
  --paper-2:    #EFE7D4;   /* card sand */
  --paper-3:    #E6DDC7;   /* deeper sand / borders fill */
  --white:      #FFFFFF;

  /* night */
  --night:      #121110;
  --night-2:    #1B1917;
  --night-3:    #262320;

  /* ink */
  --ink:        #0A0A0A;
  --ink-70:     rgba(10,10,10,.66);
  --ink-45:     rgba(10,10,10,.45);
  --ink-15:     rgba(10,10,10,.14);
  --ink-08:     rgba(10,10,10,.08);
  --paper-70:   rgba(246,240,226,.66);
  --paper-45:   rgba(246,240,226,.42);
  --paper-15:   rgba(246,240,226,.15);

  /* accent */
  --ember:      #E2431F;
  --ember-dim:  #B93615;

  /* type */
  --sans: "Switzer","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --t-mega:  clamp(52px, 9.1vw, 150px);
  --t-h1:    clamp(38px, 6.0vw, 96px);
  --t-h2:    clamp(30px, 4.2vw, 66px);
  --t-h3:    clamp(23px, 2.5vw, 40px);
  --t-h4:    clamp(19px, 1.6vw, 26px);
  --t-body:  clamp(15px, 1.05vw, 17px);
  --t-sm:    clamp(13px, .92vw, 14.5px);
  --t-label: clamp(10px, .72vw, 11.5px);

  /* space */
  --gutter: clamp(20px, 4.2vw, 64px);
  --sec:    clamp(72px, 8.6vw, 148px);
  --rad:    22px;
  --rad-sm: 12px;

  --ease: cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  font-size:var(--t-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
::selection{background:var(--ember);color:var(--paper);}

.wrap{padding-inline:var(--gutter);}
.sec{padding-block:var(--sec);}
.rule{height:1px;background:var(--ink-15);border:0;}
.rule--dark{background:var(--paper-15);}

/* ---------- type ---------- */
.mega{font-size:var(--t-mega);font-weight:700;line-height:.9;letter-spacing:-.045em;}
h1,.h1{font-size:var(--t-h1);font-weight:700;line-height:.97;letter-spacing:-.038em;}
h2,.h2{font-size:var(--t-h2);font-weight:700;line-height:1.0;letter-spacing:-.034em;}
h3,.h3{font-size:var(--t-h3);font-weight:700;line-height:1.08;letter-spacing:-.028em;}
h4,.h4{font-size:var(--t-h4);font-weight:700;line-height:1.2;letter-spacing:-.02em;}
.lead{font-size:clamp(17px,1.5vw,22px);line-height:1.45;letter-spacing:-.015em;}
.muted{color:var(--ink-70);}
.muted-d{color:var(--paper-70);}
.measure{max-width:56ch;}
.measure-sm{max-width:44ch;}
sup.tm{font-size:.30em;vertical-align:super;top:-.05em;letter-spacing:0;}

.label{
  font-family:var(--mono);
  font-size:var(--t-label);
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink-70);
  display:inline-flex;align-items:center;gap:.65em;
}
.label--d{color:var(--paper-70);}
.label .dot{width:6px;height:6px;border-radius:50%;background:var(--ember);flex:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  font-size:var(--t-sm);font-weight:600;letter-spacing:-.01em;
  padding:13px 22px;border-radius:999px;
  background:var(--ink);color:var(--paper);
  transition:transform .4s var(--ease), background .3s var(--ease), color .3s var(--ease);
  will-change:transform;
}
.btn .dot{width:6px;height:6px;border-radius:50%;background:var(--ember);flex:none;transition:transform .4s var(--ease);}
.btn:hover{transform:translateY(-2px);background:var(--ember);color:var(--paper);}
.btn:hover .dot{transform:scale(2.1);background:var(--paper);}
.btn--ghost{background:var(--paper-3);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:var(--paper);}
.btn--light{background:var(--paper);color:var(--ink);}
.btn--light:hover{background:var(--ember);color:var(--paper);}
.btn--lg{padding:17px 30px;font-size:clamp(14px,1.05vw,16px);}

.chip{
  display:inline-block;font-family:var(--mono);font-size:var(--t-label);
  letter-spacing:.1em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;border:1px solid rgba(10,10,10,.24);color:rgba(10,10,10,.78);
}
.chip--d{border-color:var(--paper-15);color:var(--paper-70);}

/* ---------- header ---------- */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(246,240,226,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ink-15);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:14px var(--gutter);
  transition:transform .45s var(--ease);
}
.hdr--hidden{transform:translateY(-101%);}
.hdr__left{display:flex;align-items:center;gap:16px;min-width:0;}
.brand{font-weight:700;font-size:clamp(15px,1.3vw,19px);letter-spacing:-.03em;white-space:nowrap;}
.brand sup{font-size:.44em;vertical-align:super;font-weight:700;}
.bars{display:flex;align-items:flex-end;gap:2px;height:14px;}
.bars i{display:block;width:2px;background:var(--ink);border-radius:1px;}
.hdr__tag{font-family:var(--mono);font-size:var(--t-label);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45);white-space:nowrap;}

.nav{display:flex;align-items:center;gap:clamp(14px,1.8vw,30px);}
.nav a{
  position:relative;font-size:var(--t-sm);font-weight:500;letter-spacing:-.01em;
  display:block;height:1.35em;overflow:hidden;
}
.nav a span{display:block;transition:transform .45s var(--ease);}
.nav a span+span{color:var(--ember);}
.nav a:hover span{transform:translateY(-100%);}
.nav a.is-active span:first-child{color:var(--ember);}
.nav__item{position:relative;display:block;padding-right:11px;}
.nav__badge{
  position:absolute;top:-5px;right:-2px;
  font-family:var(--mono);font-size:8.5px;font-weight:600;line-height:1;
  background:var(--ember);color:var(--paper);
  width:14px;height:14px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.hdr__right{display:flex;align-items:center;gap:16px;}
.burger{display:flex;flex-direction:column;gap:4px;padding:8px 0 8px 8px;}
.burger i{display:block;width:20px;height:1.6px;background:var(--ink);transition:transform .4s var(--ease);}
.burger:hover i:first-child{transform:translateX(4px);}
.hdr__mail{font-size:var(--t-sm);color:var(--ink-70);}
.hdr__mail:hover{color:var(--ember);}

/* ---------- menu overlay ---------- */
.scrim{position:fixed;inset:0;z-index:70;background:rgba(10,10,10,.42);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .5s var(--ease);}
.menu{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(430px,92vw);
  background:var(--paper);border-left:1px solid var(--ink-15);
  padding:26px clamp(24px,3vw,40px);
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  transform:translateX(101%);transition:transform .6s var(--ease);
}
body.menu-open .scrim{opacity:1;pointer-events:auto;}
body.menu-open .menu{transform:none;}
.menu__top{display:flex;align-items:center;justify-content:space-between;}
.menu__close{font-size:22px;line-height:1;}
.menu__links{display:flex;flex-direction:column;}
.menu__links a{
  font-size:clamp(28px,3.4vw,40px);font-weight:700;letter-spacing:-.035em;line-height:1.28;
  display:flex;align-items:baseline;gap:.5em;transition:color .3s var(--ease), padding-left .4s var(--ease);
}
.menu__links a:hover{color:var(--ember);padding-left:10px;}
.menu__links a em{font-family:var(--mono);font-size:11px;font-style:normal;color:var(--ink-45);letter-spacing:.1em;}
.menu__card{
  display:flex;align-items:center;gap:16px;background:var(--night);color:var(--paper);
  border-radius:var(--rad);padding:16px 18px;transition:transform .4s var(--ease);
}
.menu__card:hover{transform:translateY(-3px);}
.menu__card img{width:64px;height:64px;border-radius:14px;object-fit:cover;flex:none;}
.menu__foot{margin-top:auto;display:flex;gap:18px;font-size:var(--t-sm);color:var(--ink-45);flex-wrap:wrap;}
.menu__foot a:hover{color:var(--ember);}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--ink-15);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.socials a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.socials--d a{border-color:var(--paper-15);}
.socials--d a:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}

/* ---------- page head (inner pages) ---------- */
.phead{padding-top:clamp(120px,12vw,190px);}
.phead__split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.meta-row{
  display:flex;flex-wrap:wrap;gap:clamp(16px,3vw,52px);
  font-family:var(--mono);font-size:var(--t-label);letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-45);
  padding-block:16px;border-top:1px solid var(--ink-15);border-bottom:1px solid var(--ink-15);
  margin-top:clamp(24px,3vw,44px);
}

/* ---------- reveal ---------- */
[data-rise]{opacity:0;transform:translateY(26px);}
.is-in [data-rise],.is-in[data-rise]{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease);}
.is-in [data-rise="1"]{transition-delay:.08s;}
.is-in [data-rise="2"]{transition-delay:.16s;}
.is-in [data-rise="3"]{transition-delay:.24s;}
.is-in [data-rise="4"]{transition-delay:.32s;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  [data-rise]{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- marquee ---------- */
.marq{overflow:hidden;display:flex;gap:0;}
.marq__track{display:flex;flex:none;gap:0;animation:marq 34s linear infinite;}
.marq:hover .marq__track{animation-play-state:paused;}
@keyframes marq{to{transform:translateX(-100%);}}
.marq--slow .marq__track{animation-duration:60s;}

/* ---------- footer ---------- */
.ftr{background:var(--paper);border-top:1px solid var(--ink-15);padding-top:clamp(48px,5vw,80px);}
.ftr__grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:clamp(24px,3vw,48px);}
.ftr__col h5{font-family:var(--mono);font-size:var(--t-label);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45);font-weight:500;margin-bottom:16px;}
.ftr__col ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:var(--t-sm);}
.ftr__col a:hover{color:var(--ember);}
.ftr__form{display:flex;gap:8px;margin-top:12px;}
.ftr__form input{
  flex:1;min-width:0;background:transparent;border:1px solid var(--ink-15);border-radius:999px;
  padding:12px 18px;font:inherit;font-size:var(--t-sm);color:var(--ink);
}
.ftr__form input::placeholder{color:var(--ink-45);}
.ftr__form input:focus{outline:none;border-color:var(--ink);}
.ftr__legal{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--mono);font-size:var(--t-label);letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-45);padding-block:20px;margin-top:clamp(32px,4vw,56px);border-top:1px solid var(--ink-15);
}
.ftr__legal a:hover{color:var(--ember);}
.ftr__legal nav{display:flex;gap:18px;flex-wrap:wrap;}
.ftr__mark{
  font-weight:700;line-height:.78;letter-spacing:-.05em;
  font-size:clamp(60px,17.6vw,290px);
  padding-bottom:.06em;user-select:none;
}
.ftr__mark sup{font-size:.24em;vertical-align:super;}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:8px;border-bottom:1px solid var(--ink-15);padding-bottom:12px;}
.field label{font-family:var(--mono);font-size:var(--t-label);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);}
.field input,.field textarea{
  background:transparent;border:none;font:inherit;font-size:clamp(16px,1.3vw,19px);color:var(--ink);resize:vertical;
}
.field input:focus,.field textarea:focus{outline:none;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-45);}

/* ---------- responsive ---------- */
@media (max-width: 1000px){
  .ftr__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 860px){
  .hdr__tag{display:none;}
  .nav{display:none;}
}
@media (max-width: 620px){
  .ftr__grid{grid-template-columns:1fr;}
  .ftr__legal{flex-direction:column;gap:12px;}
}