/* ExecBeat advisory. execbeat.com
   Built against DESIGN_DIRECTION.md. Typography and space carry the design. */

@font-face{
  font-family:"Instrument Serif";
  src:url("fonts/instrument-serif-400.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("fonts/inter-400.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("fonts/inter-500.woff2") format("woff2");
  font-weight:500; font-style:normal; font-display:swap;
}

:root{
  --ink:#FAFAF8;
  --paper:#0B0D0F;
  --muted:#9AA0A6;
  --rule:#25282C;
  --accent:#B08D57;

  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;

  --gutter:clamp(1.5rem,6vw,8rem);
  --section:clamp(8rem,14vh,12rem);
  --ease:cubic-bezier(0.16,1,0.3,1);
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:1.125rem;
  font-weight:400;
  line-height:1.65;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{margin:0;font-weight:400}
p{margin:0}
ol{margin:0;padding:0;list-style:none}
a{color:inherit}
strong{font-weight:500}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--ink);color:var(--paper);padding:.75rem 1rem;
}
.skip:focus{left:0}

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

/* ---------- shared type ---------- */

.label{
  font-family:var(--sans);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.14em;
  line-height:1.2;
  text-transform:uppercase;
  color:var(--muted);
  margin:0;
  padding-bottom:.75rem;
  border-bottom:1px solid var(--accent);
  display:inline-block;
}

.prose p{max-width:48ch;margin-bottom:1.75rem}
.prose p:last-child{margin-bottom:0}
.prose--large p{
  font-size:1.5rem;
  font-weight:500;
  letter-spacing:-.01em;
  line-height:1.3;
  max-width:52ch;
}

/* ---------- navigation ---------- */

.nav{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--rule);
}
@supports (backdrop-filter:blur(8px)){
  .nav{background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px)}
}
.nav__inner{
  max-width:1280px;margin:0 auto;
  padding:1.25rem var(--gutter);
  display:flex;align-items:baseline;gap:2rem;flex-wrap:wrap;
}
.nav__mark{
  font-family:var(--serif);font-size:1.375rem;letter-spacing:-.02em;
  text-decoration:none;margin-right:auto;
}
.nav__links{display:flex;gap:2rem;flex-wrap:wrap}
.nav__links a,.nav__sibling{
  font-size:.75rem;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;text-decoration:none;color:var(--muted);
  transition:color 300ms var(--ease);
}
.nav__links a:hover,.nav__sibling:hover{color:var(--ink)}
.nav__links a[aria-current="true"]{color:var(--accent)}

/* ---------- hero ---------- */

.hero{
  max-width:1280px;margin:0 auto;
  padding:clamp(6rem,12vh,10rem) var(--gutter) var(--section);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:0 2rem;
}
.hero > *{grid-column:1 / -1}

.hero__head{
  font-family:var(--serif);
  font-size:clamp(3.5rem,8vw,7rem);
  font-weight:400;
  letter-spacing:-.03em;
  line-height:.95;
  margin:2.5rem 0 0;
  grid-column:1 / 11;
}
.hero__sub{
  margin-top:3rem;
  max-width:48ch;
  color:var(--muted);
  grid-column:2 / 9;
}
.actions{margin-top:3.5rem;display:flex;gap:1.25rem;flex-wrap:wrap;grid-column:2 / 12}

.btn{
  display:inline-block;
  font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  text-decoration:none;
  padding:1rem 1.75rem;
  border:1px solid var(--rule);
  border-radius:2px;
  background:transparent;color:var(--ink);
  font-family:var(--sans);
  cursor:pointer;
  transition:background 300ms var(--ease),color 300ms var(--ease),border-color 300ms var(--ease);
}
.btn:hover{border-color:var(--ink)}
.btn--solid{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.btn--solid:hover{background:var(--ink);border-color:var(--ink)}

/* hero word stagger */
.word{display:inline-block}
.js .hero__head .word{opacity:0;transform:translateY(24px)}
.js .hero__head.in .word{
  opacity:1;transform:none;
  transition:opacity 700ms var(--ease),transform 700ms var(--ease);
  transition-delay:calc(var(--i) * 40ms);
}

/* ---------- bands, sticky labels in the left margin ---------- */

.band{
  max-width:1280px;margin:0 auto;
  padding:var(--section) var(--gutter);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:0 2rem;
  border-top:1px solid var(--rule);
}
.band__label{grid-column:1 / 3}
.band__label .label{position:sticky;top:7rem}
.band__body{grid-column:4 / 13}

.band--ink{
  background:var(--ink);color:var(--paper);
  max-width:none;border-top:0;
  padding-left:max(var(--gutter),calc((100vw - 1280px)/2 + var(--gutter)));
  padding-right:max(var(--gutter),calc((100vw - 1280px)/2 + var(--gutter)));
}
/* The one inverted band. On a dark page this reads light. */
.band--ink .label{color:var(--paper);opacity:.65}
.band--ink .cred__title{color:var(--paper)}
.band--ink .cred__prose{color:#5A5F66}
.band--ink .cred{border-top-color:#DCDCD6}

/* ---------- numbered rows, replacing every card grid ---------- */

.row{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:0 2rem;
  padding:3.5rem 0;
  border-top:1px solid var(--rule);
}
.row:last-child{border-bottom:1px solid var(--rule)}
.row__num{
  font-family:var(--serif);
  font-size:2.5rem;line-height:1;letter-spacing:-.02em;
  color:var(--muted);
}
.row__title{
  font-family:var(--serif);
  font-size:clamp(1.875rem,3vw,2.5rem);
  letter-spacing:-.02em;line-height:1.05;
  margin-bottom:1.5rem;
}
.row__prose{max-width:48ch;margin-bottom:1.5rem}
.row__caps{
  max-width:48ch;
  font-size:.9375rem;
  color:var(--muted);
  line-height:1.6;
}
.row__prose a{color:inherit;text-decoration:none;border-bottom:1px solid var(--accent)}

/* ---------- four steps, horizontal, hairlines between ---------- */

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:0 2rem;border-left:1px solid var(--rule)}
.step:first-child{padding-left:0;border-left:0}
.step:last-child{padding-right:0}
.step__num{
  font-family:var(--serif);
  font-size:3.5rem;line-height:1;letter-spacing:-.02em;
  color:var(--accent);
  margin-bottom:1.5rem;
}
.step__title{
  font-size:1.5rem;font-weight:500;letter-spacing:-.01em;line-height:1.3;
  margin-bottom:1rem;
}
.step__prose{font-size:.9375rem;line-height:1.6;color:var(--muted)}

/* ---------- credential blocks ---------- */

.creds{display:grid;grid-template-columns:repeat(2,1fr);gap:0 3rem;margin-top:5rem}
.cred{padding:2.5rem 0;border-top:1px solid var(--rule)}
.cred__title{
  font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:1rem;
}
.cred__prose{font-size:.9375rem;line-height:1.6;color:var(--muted);max-width:48ch}

/* ---------- form ---------- */

.form{
  margin-top:4.5rem;
  display:grid;grid-template-columns:repeat(2,1fr);gap:2.5rem;
  max-width:52rem;
}
.field{display:flex;flex-direction:column}
.field--wide{grid-column:1 / -1}
.field label{
  font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.75rem;
}
.field input,.field textarea{
  font-family:var(--sans);font-size:1.0625rem;color:var(--ink);
  background:transparent;
  border:0;border-bottom:1px solid var(--rule);border-radius:0;
  padding:.625rem 0;
  transition:border-color 300ms var(--ease);
}
.field input:focus,.field textarea:focus{outline:0;border-bottom-color:var(--accent)}
.field textarea{resize:vertical}

.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.err{
  font-size:.8125rem;color:var(--accent);margin-top:.5rem;
  visibility:hidden;
}
.field.is-invalid .err{visibility:visible}
.field.is-invalid input,.field.is-invalid textarea{border-bottom-color:var(--accent)}
.form__msg{margin-top:1.5rem;font-size:.9375rem;max-width:52ch;color:var(--muted)}
.form__msg.is-error{color:var(--accent)}

/* ---------- footer ---------- */

.foot{
  max-width:1280px;margin:0 auto;
  padding:4rem var(--gutter);
  border-top:1px solid var(--rule);
}
.foot a{
  position:relative;
  font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  text-decoration:none;color:var(--muted);
  transition:color 300ms var(--ease);
}
.foot a::after{
  content:"";position:absolute;left:0;bottom:-4px;
  width:100%;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform 300ms var(--ease);
}
.foot a:hover{color:var(--ink)}
.foot a:hover::after{transform:scaleX(1)}

/* ---------- scroll reveal ---------- */

.js [data-reveal]{opacity:0;transform:translateY(24px)}
.js [data-reveal].in{
  opacity:1;transform:none;
  transition:opacity 700ms var(--ease),transform 700ms var(--ease);
  transition-delay:calc(var(--i,0) * 60ms);
}

/* ---------- breakpoints ---------- */

@media (max-width:900px){
  .band{grid-template-columns:1fr;gap:2.5rem}
  .band__label,.band__body{grid-column:1 / -1}
  .band__label .label{position:static}
  .hero__head,.hero__sub,.actions{grid-column:1 / -1}
  .row{grid-template-columns:1fr;gap:1rem}
  .steps{grid-template-columns:1fr}
  .step{padding:2.5rem 0;border-left:0;border-top:1px solid var(--rule)}
  .step:first-child{padding-top:0;border-top:0}
  .creds{grid-template-columns:1fr;gap:0}
  .form{grid-template-columns:1fr}
}

@media (max-width:560px){
  .nav__inner{gap:1rem 1.5rem}
  .nav__sibling{order:3;width:100%}
  .nav__links{gap:1.25rem}
  body{font-size:1.0625rem}
  .prose--large p{font-size:1.25rem}
}

@media (min-width:2200px){
  .band,.hero,.nav__inner,.foot{max-width:1280px}
}

/* ---------- reduced motion. Accessibility requirement, not an option ---------- */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js [data-reveal],
  .js .hero__head .word{opacity:1;transform:none;transition:none}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

/* ---------- form field affordance ----------
   The fields must read as fillable before anyone clicks. */

.field input,.field textarea{
  background:var(--field-bg);
  border:1px solid var(--rule);
  border-radius:2px;
  padding:.875rem 1rem;
}
.field input:hover,.field textarea:hover{border-color:var(--muted)}
.field input:focus,.field textarea:focus{
  outline:0;
  border-color:var(--accent);
  background:var(--field-bg-focus);
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:1}
.field label .req{color:var(--accent);margin-left:.35rem}
.form__note{
  grid-column:1 / -1;
  font-size:.8125rem;color:var(--muted);
  margin:-1rem 0 0;
}

/* ---------- dark theme, under evaluation ----------
   Swapping ink and paper inverts the whole page, including the
   full-bleed band, which flips to light of its own accord. */

:root{
  --field-bg:#131619;
  --field-bg-focus:#171A1E;
}


/* ---------- contrast corrections ----------
   Measured, not eyeballed. Brass on paper is 2.96:1, which fails AA for
   text, so text that must be read does not use raw brass on light.
   Brass stays exactly #B08D57 as the brief specifies; only the colour
   sitting on top of it changes. */

:root{
  --accent-text:#B08D57;   /* 6.30:1 on the dark ground */
  --on-accent:#0B0D0F;     /* 6.30:1 on brass, both themes */
}

.btn--solid{color:var(--on-accent)}
.btn--solid:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.err{color:var(--accent-text)}
.form__msg.is-error{color:var(--accent-text)}


/* the LinkedIn fallback link inside the form error message */
.form__msg.is-error a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
.form__msg.is-error a:hover{color:var(--ink)}