/* ============================================================
   whoamiguel.com  ·  shared design system
   ============================================================ */

:root{
  --ground:#F2F1EC;
  --surface:#FBFAF7;
  --ink:#17191B;
  --muted:#5C625F;
  --hair:#D9D7CF;
  --accent:#0B5F52;
  --accent-ink:#083F37;
  --signal:#B34A22;
  --focus:#0B5F52;

  --on-accent:#FBFAF7;
  --closer-bg:#0B5F52;
  --closer-ink:#FBFAF7;
  --closer-btn-bg:#FBFAF7;
  --closer-btn-ink:#083F37;

  /* the stage is dark in both themes, like a product shot */
  --stage:#101413;
  --stage-ink:#ECEEEA;
  --stage-muted:#8E9994;
  --stage-hair:#2A312E;
  --stage-accent:#48A793;

  --step--2:clamp(.69rem,.67rem + .09vw,.74rem);
  --step--1:clamp(.78rem,.76rem + .1vw,.83rem);
  --step-0:clamp(1rem,.97rem + .18vw,1.09rem);
  --step-1:clamp(1.18rem,1.1rem + .4vw,1.4rem);
  --step-2:clamp(1.5rem,1.32rem + .82vw,2.05rem);
  --step-3:clamp(2.1rem,1.7rem + 1.9vw,3.4rem);
  --step-4:clamp(2.6rem,1.9rem + 3.2vw,5rem);

  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --body:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#101413;
    --surface:#171C1A;
    --ink:#ECEEEA;
    --muted:#9AA39E;
    --hair:#2A312E;
    --accent:#48A793;
    --accent-ink:#8FD3C2;
    --signal:#E08055;
    --focus:#48A793;

    --on-accent:#0C1211;
    --closer-bg:#182421;
    --closer-ink:#ECEEEA;
    --closer-btn-bg:#48A793;
    --closer-btn-ink:#0C1211;

    --stage:#0A0D0C;
    --stage-hair:#232A27;
  }
}

:root[data-theme="dark"]{
  --ground:#101413;
  --surface:#171C1A;
  --ink:#ECEEEA;
  --muted:#9AA39E;
  --hair:#2A312E;
  --accent:#48A793;
  --accent-ink:#8FD3C2;
  --signal:#E08055;
  --focus:#48A793;

  --on-accent:#0C1211;
  --closer-bg:#182421;
  --closer-ink:#ECEEEA;
  --closer-btn-bg:#48A793;
  --closer-btn-ink:#0C1211;

  --stage:#0A0D0C;
  --stage-hair:#232A27;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ground);
  color:var(--ink);
  font-family:var(--body);
  font-size:var(--step-0);
  line-height:1.6;
  font-synthesis-weight:none;
}
.wrap{width:100%;max-width:64rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.wrap--wide{max-width:74rem}
a{color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}
img{max-width:100%}

.eyebrow{
  font-family:var(--mono);font-size:var(--step--1);
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0;
}

/* ---------- scroll progress rail ---------- */
.rail{
  position:fixed;inset-block-start:0;inset-inline-start:0;
  height:2px;width:100%;background:var(--accent);
  transform:scaleX(0);transform-origin:0 50%;z-index:60;
}
@supports (animation-timeline:scroll()){
  @media (prefers-reduced-motion:no-preference){
    .rail{animation:rail-grow linear both;animation-timeline:scroll(root)}
    @keyframes rail-grow{to{transform:scaleX(1)}}
  }
}

/* ---------- masthead ---------- */
.masthead{
  position:sticky;inset-block-start:0;z-index:50;
  background:color-mix(in srgb,var(--ground) 86%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--hair);
}
.masthead .wrap{display:flex;align-items:center;gap:1rem 1.5rem;flex-wrap:wrap;padding-block:.95rem}
.wordmark{
  font-family:var(--display);font-weight:700;font-size:var(--step-1);
  letter-spacing:-.02em;margin:0;line-height:1;text-decoration:none;
}
.wordmark span{color:var(--accent)}
.masthead nav{margin-left:auto;display:flex;align-items:center;gap:1.15rem;flex-wrap:wrap}
.masthead nav a{
  font-family:var(--mono);font-size:var(--step--1);letter-spacing:.04em;
  color:var(--muted);text-decoration:none;
}
.masthead nav a:hover,.masthead nav a[aria-current="page"]{color:var(--ink)}
.masthead nav a.tel{font-variant-numeric:tabular-nums;color:var(--ink)}
.masthead nav a.btn{color:var(--on-accent);font-family:var(--display);letter-spacing:-.01em}

/* ---------- theme toggle ---------- */
.themetoggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.1rem;height:2.1rem;padding:0;
  background:transparent;color:var(--muted);
  border:1px solid var(--hair);border-radius:2px;cursor:pointer;
  transition:color .15s ease,border-color .15s ease;
}
.themetoggle:hover{color:var(--ink);border-color:var(--ink)}
.themetoggle svg{width:1rem;height:1rem}
.ico--sun{display:none}
.ico--moon{display:block}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .ico--moon{display:none}
  :root:not([data-theme="light"]) .ico--sun{display:block}
}
:root[data-theme="dark"] .ico--moon{display:none}
:root[data-theme="dark"] .ico--sun{display:block}
:root[data-theme="light"] .ico--moon{display:block}
:root[data-theme="light"] .ico--sun{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--display);font-weight:700;font-size:var(--step-0);
  letter-spacing:-.01em;text-decoration:none;padding:.62em 1.15em;
  background:var(--accent);color:var(--on-accent);
  border:1px solid var(--accent);border-radius:2px;
  transition:background .15s ease,transform .15s ease;
}
.btn:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.btn:active{transform:translateY(1px)}
.btn--sm{font-size:var(--step--1);padding:.55em 1em}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--hair)}
.btn--ghost:hover{background:transparent;border-color:var(--ink)}
.btn__arrow{font-family:var(--mono);font-weight:400}

/* ---------- reveal on scroll ---------- */
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    .reveal{animation:reveal-in linear both;animation-timeline:view();animation-range:entry 0% entry 45%}
    @keyframes reveal-in{from{opacity:0;transform:translateY(1.4rem)}to{opacity:1;transform:none}}
  }
}

/* ---------- section scaffolding ---------- */
.section .wrap{padding-block:clamp(3rem,8vw,6rem)}
.section--tint{background:var(--surface);border-block:1px solid var(--hair)}
.section-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-bottom:.85rem;border-bottom:2px solid var(--ink);
}
.section-head h2{
  font-family:var(--display);font-weight:700;font-size:var(--step-2);
  letter-spacing:-.025em;margin:0;line-height:1.1;
}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--hair)}
footer .wrap{
  padding-block:2rem 2.5rem;display:flex;flex-wrap:wrap;gap:.75rem 2rem;justify-content:space-between;
  font-family:var(--mono);font-size:var(--step--1);color:var(--muted);
}
footer p{margin:0}
footer a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--hair)}
footer a:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- terminal ---------- */
.term{
  background:var(--stage);color:var(--stage-ink);
  border:1px solid var(--stage-hair);border-radius:6px;
  font-family:var(--mono);font-size:var(--step--1);line-height:1.75;
  overflow:hidden;box-shadow:0 24px 60px -32px rgba(0,0,0,.55);
}
.term__bar{
  display:flex;align-items:center;gap:.5rem;
  padding:.6rem .85rem;border-bottom:1px solid var(--stage-hair);
  background:color-mix(in srgb,var(--stage) 80%,#fff 6%);
}
.term__dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--stage-hair)}
.term__title{
  margin-left:.5rem;color:var(--stage-muted);font-size:var(--step--2);letter-spacing:.1em;text-transform:uppercase;
}
.term__body{padding:1.1rem 1.1rem 1.45rem;min-height:15rem;max-height:26rem;overflow-y:auto}
.term__line{white-space:pre-wrap;word-break:break-word;margin:0}
.term__line b{color:var(--stage-accent);font-weight:500}
.term__line i{color:var(--stage-muted);font-style:normal}
.term__ps1{color:var(--stage-accent)}
.term__form{display:flex;align-items:baseline;gap:.5rem;margin-top:.2rem}
.term__input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;padding:0;
  color:var(--stage-ink);font:inherit;caret-color:var(--stage-accent);
}
.term__hint{
  margin:.85rem 0 0;font-family:var(--mono);font-size:var(--step--2);
  color:var(--muted);letter-spacing:.04em;
}
.term__hint button{
  font:inherit;color:var(--accent);background:transparent;border:0;padding:0 .1rem;
  cursor:pointer;border-bottom:1px solid currentColor;
}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}