/* ============================================================================
 * Shared styling for DENIMHEAD static pages: about, help, contact, terms,
 * privacy. Mirrors the redesigned landing (public/landing.html) design
 * system — raw-indigo palette, Oswald/Inter/JetBrains Mono type, terracotta
 * (amber) CTAs, selvedge-red markers, faint twill-weave atmosphere.
 *
 * Replaces the former /theme.css + per-page inline <style> blocks. Fonts are
 * loaded via <link> in each page's <head>.
 * ==========================================================================*/

:root{
  --raw:#0a0d13;        /* deepest raw / page base */
  --raw-2:#0c1119;      /* lifted panel / inputs */
  --indigo:#131d33;
  --panel:#16223c;
  --line:#27344e;       /* hairline */
  --line-soft:#1c2638;
  --faded:#7095ba;      /* faded denim blue */
  --faded-2:#a8c4e0;    /* light wash */
  --bone:#ece7dd;       /* warm off-white headings */
  --reading:#c6cfdc;    /* long-form body text (brighter than --muted) */
  --muted:#9aaabf;
  --muted-2:#65768c;
  --redline:#d8443b;    /* selvedge redline accent (markers only) */
  --amber:#d59257;      /* terracotta CTA */
  --amber-2:#e6a772;

  /* --- Ground-dependent values. Everything here has a light-wash twin below. --- */
  --header-bg:rgba(10,13,19,.72);
  --ground-end:#090c11;
  --glow-1:rgba(40,66,112,.40);
  --glow-2:rgba(28,44,80,.30);
  --weave:rgba(255,255,255,.022);
  --tint:rgba(112,149,186,.10);
  --halo-rgb:112,149,186;
  --track:rgba(255,255,255,.07);
  --dot:rgba(255,255,255,.14);
  --dot-hover:rgba(255,255,255,.3);
  --phone-shadow:rgba(0,0,0,.58);
  --archive-end:#0c1424;
  --fade-from:var(--indigo);
  --fade-to:var(--faded-2);
  --on-amber:#231308;
  --logo-ground:#ffffff;       /* a company logo sits on white on BOTH grounds: it was drawn for one */
  --amber-text:var(--amber);   /* amber as TEXT: deeper on light, where #cd8546 is about 2.5:1 */

  --field:var(--raw-2);
  --ok-fg:#6ee7b7;
  --bad-fg:#fca5a5;
  --chevron:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239aaabf' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");

  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Oswald",system-ui,"Arial Narrow",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);color:var(--bone);background:var(--raw);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}

/* Atmosphere: indigo glow + faint diagonal twill weave (matches landing) */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 600px at 78% -8%, var(--glow-1), transparent 60%),
    radial-gradient(800px 700px at -5% 12%, var(--glow-2), transparent 55%),
    linear-gradient(180deg, var(--raw-2) 0%, var(--raw) 42%, var(--ground-end) 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(117deg, var(--weave) 0 1px, transparent 1px 6px);
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--header-bg);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);
}
.site-header .bar{
  max-width:780px;margin:0 auto;padding:0 24px;height:78px;
  display:flex;align-items:center;justify-content:space-between;
}
.site-header picture{display:block}
.site-header .logo{height:48px;width:auto;display:block}
.site-header .home-link{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);transition:color .2s;
}
.site-header .home-link:hover{color:var(--bone)}

/* ============ PAGE BODY ============ */
.container{max-width:780px;margin:0 auto;padding:42px 24px 64px}
.back-link{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--faded);display:inline-block;margin-bottom:24px;transition:color .2s;
}
.back-link:hover{color:var(--bone)}

.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;
  color:var(--faded);display:inline-flex;align-items:center;gap:12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--redline);display:inline-block}

h1{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.01em;
  color:var(--bone);font-size:clamp(1.9rem,4.6vw,2.7rem);line-height:1.05;margin-bottom:18px;
}
h2{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.01em;
  color:var(--bone);font-size:1.15rem;margin:30px 0 10px;
}
.subtitle{color:var(--muted);font-size:14px;margin-bottom:28px;max-width:62ch}
p{font-size:14px;line-height:1.75;margin-bottom:18px;color:var(--reading);max-width:68ch}
strong,b{color:var(--bone);font-weight:600}
/* Links inside list items need naming explicitly: prose links were only ever
   styled under <p>, so an <a> in a <li> inherited the body colour and did not
   read as a link at all. */
p a,li a,.legal a,.address a,a.inline{color:var(--faded-2);text-decoration:underline;text-underline-offset:2px}
p a:hover,li a:hover,.legal a:hover{color:var(--bone)}

/* About page accent line */
.welcome{
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;font-weight:600;
  color:var(--amber-text);font-size:1.2rem;margin:10px 0 28px;
}

/* Legal pages: text injected via JS into a pre-wrap block */
.legal{white-space:pre-wrap;font-size:14px;line-height:1.78;color:var(--reading);max-width:72ch}

/* Prose lists + callout (delete-account / delete-data, any long-form page) */
ol,ul{margin:0 0 16px 0;padding-left:22px;color:var(--reading);font-size:14px;max-width:68ch}
li{margin-bottom:8px;line-height:1.7}
li::marker{color:var(--faded)}
li.highlight{color:var(--amber-text);font-weight:600}
.callout{
  background:var(--raw-2);border-left:3px solid var(--amber);border-radius:8px;
  padding:14px 18px;margin:22px 0;font-size:14px;color:var(--muted);max-width:68ch;
}
.callout strong{color:var(--bone)}

/* ============ FORMS (help / contact) ============ */
label{
  display:block;font-family:var(--font-mono);color:var(--muted);font-size:.7rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px;
}
input,textarea,select{
  width:100%;background:var(--field);border:1px solid var(--line);border-radius:10px;
  padding:13px 14px;color:var(--bone);font-size:14px;font-family:var(--font-body);
  margin-bottom:18px;outline:none;transition:border-color .2s;
}
input:focus,textarea:focus,select:focus{border-color:var(--faded)}
input::placeholder,textarea::placeholder{color:var(--muted-2)}
textarea{min-height:130px;resize:vertical}
select{
  appearance:none;cursor:pointer;padding-right:40px;
  background-image:var(--chevron);
  background-repeat:no-repeat;background-position:right 14px center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;width:100%;cursor:pointer;
  font-family:var(--font-display);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:.95rem;
  background:var(--amber);color:var(--on-amber);border:1px solid transparent;border-radius:10px;padding:.85em 1.5em;
  box-shadow:0 8px 24px -10px rgba(213,146,87,.7);transition:background .2s,transform .18s var(--ease);
}
.btn:hover{background:var(--amber-2);transform:translateY(-2px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.success{
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.5);border-radius:10px;
  padding:13px 14px;color:var(--ok-fg);font-size:14px;margin-bottom:16px;
}
.error{
  background:rgba(216,68,59,.12);border:1px solid rgba(216,68,59,.5);border-radius:10px;
  padding:13px 14px;color:var(--bad-fg);font-size:14px;margin-bottom:16px;
}

/* Contact address block */
.address{margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft)}
.address h2{margin-top:0}
.address p{font-size:14px;color:var(--muted)}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--line-soft);padding-top:26px;margin-top:48px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:14px;justify-content:center}
.footer-links a{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);transition:color .2s;
}
.footer-links a:hover{color:var(--bone)}
.copyright{color:var(--muted-2);font-size:.78rem;text-align:center;max-width:none}

@media (max-width:560px){
  .container{padding:32px 18px 56px}
  .site-header .bar{height:64px;padding:0 18px}
  .site-header .logo{height:40px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .btn:hover{transform:none}
}

/* ============ COMPETITION PAGE (/competition) ============ */
.comp-status{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber-text);
  border:1px solid rgba(213,146,87,.45);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.comp-status::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 3px rgba(213,146,87,.22);
}
/* Competition wordmark stands in for the H1 text. The <h1> keeps the heading
   semantics; the text inside is the fallback if the artwork fails to load. */
.comp-title{margin-bottom:18px}
.comp-title img{width:100%;max-width:470px;height:auto}

/* Poster: a small tap target that opens the full artwork in a lightbox. */
.poster-fig{margin:26px 0 34px}
.poster-btn{
  display:block;padding:0;cursor:zoom-in;background:var(--raw-2);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  width:100%;max-width:320px;transition:border-color .2s,transform .18s var(--ease);
}
.poster-btn:hover{border-color:var(--amber-text);transform:translateY(-2px)}
.poster-btn img{width:100%;height:auto}
.poster-hint{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);margin:10px 0 0;display:flex;align-items:center;gap:7px;
}
.poster-hint::before{content:"\2922";font-size:.9rem;color:var(--faded)}
/* The example verification photo: the same tap target, smaller, inside a callout. */
.example-fig{margin:14px 0 2px}
.example-btn{max-width:200px;margin:0 auto}
.example-fig .poster-hint{justify-content:center}

.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(5,7,11,.94);
  display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;
}
/* A class selector beats the UA stylesheet's [hidden] rule, so display:flex
   above would otherwise leave the closed overlay covering the whole page and
   swallowing every click on it. */
.lightbox[hidden]{display:none}
.lightbox img{
  max-width:min(100%,780px);max-height:100%;width:auto;height:auto;
  border-radius:10px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9);
}
.lightbox-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;cursor:pointer;
  background:rgba(12,17,25,.9);border:1px solid var(--line);border-radius:50%;
  color:var(--bone);font-size:1.6rem;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s;
}
.lightbox-close:hover{border-color:var(--amber-text);color:var(--amber-text)}

/* At-a-glance fact rows */
.facts{
  border:1px solid var(--line);border-radius:12px;background:var(--raw-2);
  padding:6px 20px;margin:26px 0 34px;max-width:68ch;
}
.fact{
  display:flex;flex-wrap:wrap;gap:4px 20px;padding:14px 0;
  border-bottom:1px solid var(--line-soft);
}
.fact:last-child{border-bottom:none}
.fact dt{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faded);flex:0 0 138px;padding-top:2px;
}
.fact dd{font-size:14px;color:var(--reading);flex:1 1 240px;line-height:1.6}
.fact dd strong{color:var(--bone)}

/* Prize cards */
.prizes{display:grid;gap:12px;margin:22px 0 34px;max-width:68ch}
.prize{
  border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:10px;
  background:var(--raw-2);padding:16px 18px;
}
.prize .rank{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber-text);display:block;margin-bottom:6px;
}
.prize .what{font-family:var(--font-display);font-weight:600;text-transform:uppercase;
  letter-spacing:.01em;color:var(--bone);font-size:1.05rem;line-height:1.25;display:block;margin-bottom:4px}
.prize .who{font-size:13px;color:var(--muted)}

/* Numbered entry steps */
.steps{counter-reset:step;list-style:none;padding-left:0;margin:20px 0 30px;max-width:68ch}
.steps li{
  counter-increment:step;position:relative;padding-left:46px;margin-bottom:18px;
  font-size:14px;line-height:1.7;color:var(--reading);
}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:-1px;
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:var(--raw-2);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.8rem;font-weight:700;color:var(--amber-text);
}
/* Only a step's TITLE (its first bold element) takes a line of its own; bold
   words inside the text stay inline. A step with more to say splits into
   .step-more paragraphs rather than one long block. */
.steps li > strong:first-child{display:block;color:var(--bone);font-weight:600;margin-bottom:2px}
.steps li strong{color:var(--bone);font-weight:600}
.steps .step-more{display:block;margin-top:8px}

/* Sponsor strip */
.sponsors{
  display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 34px;
}
.sponsors span,.sponsors a{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;
  font-size:.92rem;color:var(--bone);border:1px solid var(--line);border-radius:8px;
  background:var(--raw-2);padding:9px 16px;transition:border-color .2s,color .2s;
}
.sponsors a:hover{border-color:var(--amber-text);color:var(--amber-text)}
/* Sponsor LOGOS: white tiles of one height. Each mark gets its own height so a
   tall crest, a mid-weight wordmark and a long thin one read as equals. */
.sponsors .sponsor-logo{
  display:flex;align-items:center;justify-content:center;height:92px;padding:0 24px;
  background:var(--logo-ground);border:1px solid var(--line);border-radius:10px;
}
.sponsors a.sponsor-logo:hover{border-color:var(--amber-text)}
.sponsor-logo img{width:auto;max-width:100%;display:block}
.sponsor-logo .logo-denimio{height:68px}
.sponsor-logo .logo-hiut{height:44px}
.sponsor-logo .logo-indigofades{height:76px}
.sponsor-logo .logo-superunknown{height:17px}

/* Closing call to action */
.cta-box{
  border:1px solid var(--line);border-radius:12px;background:var(--raw-2);
  padding:26px 22px;margin:34px 0 10px;text-align:center;max-width:68ch;
}
.cta-box h2{margin-top:0}
.cta-box p{margin:0 auto 18px;color:var(--muted);max-width:46ch}
.cta-box .btn{width:auto;min-width:240px}
.badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px}
.badges img{height:44px;width:auto}

@media (max-width:560px){
  .fact dt{flex:0 0 100%}
  .cta-box{padding:22px 16px}
  .cta-box .btn{width:100%;min-width:0}
}

/* ============ LIGHT WASH ============
   Follows the visitor's system setting. Values are the app's light palette
   (lib/theme.ts): ground #e7ecf2, ink #101a2e, deep blue #35598a, amber #cd8546.
   The logo swaps by <picture> in the markup, not here. */
@media (prefers-color-scheme: light){
  :root{
    --raw:#e7ecf2;
    --raw-2:#dde5ee;
    --indigo:#f6f8fb;
    --panel:#ffffff;
    --line:rgba(16,26,46,.18);
    --line-soft:rgba(16,26,46,.10);
    --faded:#35598a;
    --faded-2:#26334c;
    --bone:#101a2e;
    --reading:#26334c;
    --muted:#4a5a70;
    --muted-2:#61718a;
    --redline:#c93a32;
    --amber:#cd8546;
    --amber-2:#d59257;

    --header-bg:rgba(231,236,242,.80);
    --ground-end:#dfe6ee;
    --glow-1:rgba(112,149,186,.26);
    --glow-2:rgba(53,89,138,.10);
    --weave:rgba(16,26,46,.035);
    --tint:rgba(53,89,138,.08);
    --halo-rgb:53,89,138;
    --track:rgba(16,26,46,.10);
    --dot:rgba(16,26,46,.18);
    --dot-hover:rgba(16,26,46,.36);
    --phone-shadow:rgba(16,26,46,.30);
    --archive-end:#e9eef5;
    --fade-from:#101a2e;
    --fade-to:#7095ba;

    --amber-text:#b5692b;
    /* inputs sit ON the ground, so they lift to white rather than sink */
    --field:#ffffff;
    --ok-fg:#0f7a55;
    --bad-fg:#b3261e;
    --chevron:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234a5a70' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  }
}

/* The lightbox is a viewer over artwork: it stays dark on both grounds, and so
   does its close button, which would otherwise take the light page's ink. */
@media (prefers-color-scheme: light){
  .lightbox-close{color:#ece7dd;border-color:#27344e}
}