/* Mark Padginton — personal site
   Light, corporate-clean. Single stylesheet shared by all pages. */

/* ---------- Tokens ---------- */
:root{
  --navy-900:#0a1728;
  --navy-800:#10243d;
  --navy-700:#173352;
  --accent:#1f6feb;
  --accent-700:#1657bd;
  --accent-050:#eef4ff;
  --ink:#111a24;
  --ink-soft:#33414f;
  --muted:#5d6b7a;
  --line:#e2e8f0;
  --line-soft:#eef2f7;
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --white:#fff;

  --wrap:1120px;
  --gutter:clamp(20px,5vw,40px);
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,36,61,.06),0 4px 14px rgba(16,36,61,.05);
  --shadow-md:0 10px 30px rgba(16,36,61,.10);

  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.18;letter-spacing:-.02em;color:var(--navy-900);font-weight:650}
h1{font-size:clamp(2.1rem,5vw,3.25rem);letter-spacing:-.03em}
h2{font-size:clamp(1.55rem,3.2vw,2.15rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.45em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(56px,8vw,96px) 0}
.hero+.section{padding-top:clamp(34px,4.5vw,52px)}
.section--alt{background:var(--bg-alt);border-block:1px solid var(--line-soft)}
.section--tight{padding-block:clamp(40px,6vw,68px)}
.section--intro{padding-block:clamp(44px,6vw,72px) clamp(20px,3vw,32px)}
.lede{font-size:clamp(1.08rem,1.6vw,1.24rem);color:var(--ink-soft);max-width:64ch}
.measure{max-width:68ch}
.eyebrow{
  font:600 .74rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin:0 0 1rem;display:flex;align-items:center;gap:.6rem
}
.eyebrow::after{content:"";flex:0 0 34px;height:1px;background:currentColor;opacity:.45}
.section-head{max-width:72ch;margin-bottom:clamp(28px,4vw,44px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line-soft)
}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--navy-900);font-weight:650;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand__mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--navy-700),var(--navy-900));
  color:#fff;font:650 .78rem/1 var(--mono);letter-spacing:.04em
}
.brand__name{font-size:1.02rem}
.brand__role{display:block;font:500 .7rem/1.2 var(--sans);color:var(--muted);letter-spacing:0}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  color:var(--ink-soft);font-size:.94rem;font-weight:500;padding:.5rem .7rem;border-radius:8px;
  transition:background .15s ease,color .15s ease
}
.nav a:hover{background:var(--accent-050);color:var(--accent-700);text-decoration:none}
.nav a[aria-current="page"]{color:var(--navy-900);font-weight:600;background:var(--line-soft)}
.nav a.btn--primary{color:#fff}
.nav a.btn--primary:hover{color:#fff;background:var(--accent-700)}
.nav__cta{margin-left:8px}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:9px;
  width:42px;height:38px;cursor:pointer;color:var(--navy-900)
}
.nav-toggle svg{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;border-radius:10px;
  padding:.72rem 1.15rem;font-size:.95rem;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;transition:all .16s ease;text-decoration:none
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 2px 10px rgba(31,111,235,.28)}
.btn--primary:hover{background:var(--accent-700);box-shadow:0 6px 18px rgba(31,111,235,.32)}
.btn--ghost{background:#fff;color:var(--navy-900);border-color:var(--line)}
.btn--ghost:hover{border-color:#c9d4e2;background:#fbfcfe}
.btn--onnavy{background:#fff;color:var(--navy-900)}
.btn--onnavy:hover{background:#eef4ff}

/* ---------- Hero ---------- */
.hero{padding:clamp(44px,6vw,76px) 0 0;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-40% 55% auto -20%;height:120%;
  background:radial-gradient(closest-side,rgba(31,111,235,.09),transparent 70%);pointer-events:none
}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);column-gap:clamp(32px,5vw,64px);row-gap:0;align-items:start;position:relative}
.hero h1{margin-bottom:.35em}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.8rem}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px;grid-column:1/-1;
  list-style:none;padding-left:0;
  margin-top:clamp(22px,3vw,34px);padding-bottom:clamp(26px,3.5vw,38px);
  border-bottom:1px solid var(--line)
}
.chip-break{flex-basis:100%;height:0;margin:0}
.chip{
  font:600 .76rem/1 var(--mono);letter-spacing:.04em;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5rem .8rem
}
.portrait{position:relative;isolation:isolate;width:100%;max-width:400px;margin-left:auto;margin-top:45px}
.portrait img{
  position:relative;z-index:1;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;
  object-position:center 18%;border-radius:18px;box-shadow:var(--shadow-md);
  border:1px solid rgba(16,36,61,.08)
}
.portrait::after{
  content:"";position:absolute;z-index:0;inset:auto -16px -16px auto;width:62%;height:62%;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  border-radius:0 0 20px 0;opacity:.4
}

/* ---------- Cards & grids ---------- */
.grid{display:grid;gap:20px}
.grid--2>.card,.grid--3>.card{align-self:start}
/* paired cards that should match each other's height */
.grid--match>.card{align-self:stretch}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#cfdae8}
.card h3{margin-bottom:.4em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card__icon{
  width:40px;height:40px;border-radius:11px;background:var(--accent-050);color:var(--accent);
  display:grid;place-items:center;margin-bottom:16px
}
.card__tag{font:600 .7rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.7rem}

/* Numbered / spec list */
.speclist{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.speclist li{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  padding:18px 0;border-top:1px solid var(--line-soft);margin:0
}
.speclist li:last-child{border-bottom:1px solid var(--line-soft)}
.speclist .n{font:600 .78rem/1.7 var(--mono);color:var(--accent);letter-spacing:.06em}
.speclist strong{display:block;color:var(--navy-900);font-weight:650;margin-bottom:.15em}
.speclist span.d{color:var(--ink-soft);font-size:.98rem}

/* Tick list */
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
/* drops the list so its first line's cap height matches the H2 beside it */
.ticks--offset{margin-top:30px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:12px;margin:0;color:var(--ink-soft)}
.ticks li::before{
  content:"";width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--accent-050) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f6feb' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat
}

/* ---------- Statement band ---------- */
.band{
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#e8eef6;
  position:relative;overflow:hidden
}
.band::after{
  content:"";position:absolute;inset:auto -10% -60% auto;width:60%;height:180%;
  background:radial-gradient(closest-side,rgba(31,111,235,.35),transparent 70%)
}
.band .wrap{position:relative;z-index:1}
.band h2{color:#fff;max-width:34ch;line-height:1.14}
.band p{color:#c3d1e2;max-width:62ch}
.band .eyebrow{color:#7fb0ff}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,4vw,52px);align-items:start}
.linkcard{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:border-color .16s ease,transform .16s ease
}
.linkcard:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}
.linkcard__icon{width:38px;height:38px;flex:none;border-radius:10px;background:var(--accent-050);color:var(--accent);display:grid;place-items:center}
.linkcard b{display:block;color:var(--navy-900);font-weight:650}
.linkcard span{color:var(--muted);font-size:.92rem;word-break:break-word}

form.enquiry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,32px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;color:var(--navy-900);margin-bottom:.4rem}
.field input,.field textarea{
  width:100%;font:inherit;font-size:.98rem;color:var(--ink);background:#fdfefe;
  border:1px solid var(--line);border-radius:10px;padding:.72rem .85rem;transition:border-color .15s ease,box-shadow .15s ease
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(31,111,235,.14)}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-size:.82rem;color:var(--muted);margin-top:.35rem}
.form-note{font-size:.86rem;color:var(--muted);margin:14px 0 0}
.form-status{margin:0 0 16px;padding:.75rem .9rem;border-radius:10px;font-size:.92rem;display:none}
.form-status.is-ok{display:block;background:#ecfdf3;border:1px solid #b7e9c8;color:#14663a}
.form-status.is-err{display:block;background:#fef2f2;border:1px solid #f6c8c8;color:#9b2222}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#9fb2c8;padding:clamp(40px,6vw,60px) 0 28px;font-size:.94rem}
.site-footer a{color:#cfe0f5}
.site-footer__top{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer h4{color:#fff;font-size:.8rem;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;margin-bottom:.9em;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.45em}
.site-footer__bottom{padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.85rem;color:#7f93aa}
.footer-brand{max-width:34ch}
.footer-brand strong{color:#fff;display:block;font-size:1.05rem;letter-spacing:-.02em;margin-bottom:.35em}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .portrait{max-width:320px;margin-top:0}
  .contact-grid{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  body{font-size:16.5px}
  .nav-toggle{display:grid;place-items:center}
  .nav{
    position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--gutter) 18px;display:none;
    box-shadow:var(--shadow-md)
  }
  .nav.is-open{display:flex}
  .nav a{padding:.7rem .6rem}
  .nav__cta{margin:8px 0 0;justify-content:center}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .ticks--offset{margin-top:0}
  .chip-break{display:none}
  .portrait::after{display:none}
}

/* ---------- Skip link ---------- */
.skip{
  position:absolute;left:-9999px;top:0;z-index:100;background:var(--navy-900);color:#fff;
  padding:.7rem 1rem;border-radius:0 0 10px 0;font-weight:600;font-size:.9rem
}
.skip:focus{left:0;text-decoration:none}

/* ---------- Showcase figure ---------- */
.showcase{margin:clamp(28px,4vw,44px) 0 clamp(10px,2vw,20px);max-width:980px}

/* Page intro with a supporting image beside the text */
.intro-grid{
  display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);
  gap:clamp(28px,4vw,52px);align-items:center
}
.intro-grid .section-head{margin-bottom:0}
.intro-grid h1{font-size:clamp(1.85rem,3.3vw,2.45rem)}
.intro-grid .showcase{margin:0;max-width:none}
.intro-grid .showcase figcaption{font-size:.83rem;margin-top:.8rem}
@media (max-width:900px){
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .intro-grid .showcase{max-width:560px}
}
.showcase img{
  width:100%;height:auto;border-radius:16px;
  border:1px solid rgba(16,36,61,.10);box-shadow:var(--shadow-md)
}
.showcase figcaption{
  margin-top:.95rem;font-size:.88rem;line-height:1.55;color:var(--muted);max-width:68ch
}

/* ---------- App screenshot strip ---------- */
.app-card{max-width:none}
.app-card__tag{color:var(--muted);margin-bottom:.8em}
.app-card__head{display:flex;align-items:center;gap:14px;margin-bottom:.5em}
.app-card__head h3{margin:0}
.app-icon{
  width:52px;height:52px;flex:none;border-radius:12px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm)
}
.shots{
  display:flex;gap:14px;margin-top:1.5rem;padding-bottom:6px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin
}
.shots img{
  flex:0 0 auto;width:150px;height:auto;border-radius:12px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--bg-alt)
}
@media (max-width:720px){ .shots img{width:128px} }