/* Industry — design-system tokens and component classes. This file is the source of truth for the system's look; retune it here and see readme.md. */
:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  /* Tonal ramps — generated in OKLCH on one shared lightness scale, so the
     same step of any role matches the others in visual value. */
  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  /* Elevation — derived from the ground: soft ink-tinted shadows on a
     light theme, a hairline edge + ambient darkness on a dark one. */
  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
/* The overlay image treatments (halftone, duotone) clip their overlay
   (overflow:hidden); a blueprint wrapper draws its registration marks
   outside the box, so when both classes share a wrapper the frame must
   win. */
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS
   on plain HTML: no JavaScript, no build step. Each class is documented in
   readme.md and demonstrated in foundations/ and components/.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 22.5px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 63px; }
h2 { font-size: 48px; }
h3 { font-size: 37.5px; }
h4 { font-size: 30px; }
h5 { font-size: 24px; }
h6 { font-size: 19.5px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 16.5px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 21px; line-height: 1.2; color: var(--color-text); /* matches the .input's 21px —
     the pair sits side by side in sign-up rows */
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: 18px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
fieldset.field { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset.field > legend {
  display: block; font-size: 18px; margin-bottom: 5px; padding: 0;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.radio-stack { display: flex; flex-direction: column; gap: var(--space-2); }
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 21px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 21px; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 19.5px; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 25.5px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 19.5px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 16.5px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 16.5px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-4);
  row-gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: none;
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 27px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 21px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--color-bg); }

.nav .btn-primary {
  position: relative;
  overflow: hidden;
}
.nav .btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  background: linear-gradient(115deg, transparent, color-mix(in srgb, var(--color-bg) 65%, transparent), transparent);
  animation: nav-cta-glimmer 3.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes nav-cta-glimmer {
  0%, 45% { left: -60%; }
  75%, 100% { left: 130%; }
}
@media (prefers-reduced-motion: reduce) {
  .nav .btn-primary::after { animation: none; display: none; }
}

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 21px; }
.table th {
  text-align: left; font-size: 16.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 30px;
}
.dialog-body { font-size: 21px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — blueprint frame: components are wireframe objects (see .blueprint
     and .corner above) — square, transparent, hairline-bordered — */
.card, .btn, .input, .tag, .seg, .dialog { border-radius: 0; }
.card, .dialog { background: transparent; border: 1px solid var(--color-divider); }
.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent); }
.btn-ghost { border-color: transparent; }

/* — page layout — */
:root { --leading: 24px; --half: 12px; --edge: clamp(20px, 5vw, 72px); --measure: 60ch; }
body { margin: 0; text-wrap: pretty; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--edge); }
.nav { padding-inline: max(var(--edge), calc((100% - 1200px) / 2 + var(--edge))); }
.nav a { white-space: nowrap; }
@media (max-width: 760px) {
  .nav-brand { flex-basis: 100%; margin-right: 0; }
}
@media (max-width: 480px) {
  .nav a:not(.btn) { display: none; }
  .nav-brand { font-size: 19px; }
  .nav .btn-primary { font-size: 14px; }
}

.kicker { display: block; font-size: 19.5px; line-height: 1.3; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 600; color: var(--color-accent-700);
  font-feature-settings: "tnum" 1; margin: 0 0 var(--half); }
.caption-rule { height: 1px; border: 0; margin: 0 0 calc(var(--leading) - var(--half)); background: var(--color-divider); }

.hero { padding: calc(4 * var(--leading)) 0 calc(3 * var(--leading)); }
.display { font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(48px, 7vw, 96px); line-height: clamp(50px, 7.3vw, 100px);
  letter-spacing: 0.01em; text-transform: uppercase; margin: 0; margin-left: -0.052em;
  text-box: trim-both cap alphabetic; }
.display .line { display: block; }
.hero .sub { font-size: 24px; line-height: 1.5; max-width: var(--measure);
  margin: calc(1.5 * var(--leading) - 1cap) 0 0; text-box: trim-both cap alphabetic; }
.hero .row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--leading); align-items: center; }
.hero .row .btn, .close .row .btn { flex-shrink: 0; white-space: nowrap; }
.icon-cal { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.5;
  vertical-align: -3px; margin-right: 6px; }
.soon-note { font-size: 21px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }

.sheet { padding: calc(3 * var(--leading)) 0 calc(2.5 * var(--leading)); }
.plate { position: relative; border: 1px solid var(--color-divider); }
.plate > .corner, .cell-frame > .corner { position: absolute; width: 15px; height: 15px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); pointer-events: none; }
.plate > .corner::before, .cell-frame > .corner::before { content: ""; position: absolute; left: 7px; top: 0; width: 1px; height: 100%; background: currentColor; }
.plate > .corner::after, .cell-frame > .corner::after { content: ""; position: absolute; top: 7px; left: 0; width: 100%; height: 1px; background: currentColor; }
.plate > .corner.tl, .cell-frame > .corner.tl { top: -8px; left: -8px; }
.plate > .corner.tr, .cell-frame > .corner.tr { top: -8px; right: -8px; }
.plate > .corner.bl, .cell-frame > .corner.bl { bottom: -8px; left: -8px; }
.plate > .corner.br, .cell-frame > .corner.br { bottom: -8px; right: -8px; }
.title-block { display: flex; flex-wrap: wrap; align-items: stretch; border-bottom: 1px solid var(--color-divider); }
.title-block > span { padding: var(--half) var(--leading); font-size: 19.5px; line-height: var(--leading);
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; font-feature-settings: "tnum" 1; }
.tb-title { flex: 1; min-width: 16ch; }
.tb-cell { border-left: 1px solid var(--color-divider); white-space: nowrap;
  color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.spec { table-layout: fixed; width: 100%; }
.spec col.c-num { width: calc(3 * var(--leading)); }
.spec col.c-prop { width: 20%; }
.spec col.c-val { width: 31%; }
.spec th, .spec td { padding: var(--half) var(--leading) var(--half) 0; vertical-align: middle; }
.spec th:first-child, .spec td:first-child { padding-left: var(--leading); }
.spec th { font-size: 19.5px; line-height: 1.3; font-weight: 600;
  color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.spec td { font-size: 22.5px; line-height: var(--leading); }
.spec .s-num { font-size: 19.5px; font-weight: 600; letter-spacing: 0.08em; color: var(--color-accent-700);
  font-feature-settings: "tnum" 1; }
.spec .s-val { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 33px;
  line-height: 1.15; letter-spacing: 0.02em; font-feature-settings: "tnum" 1; }
.spec .s-rem { color: color-mix(in srgb, var(--color-text) 78%, transparent); }
.spec tbody tr:last-child td { border-bottom: 0; }
.spec tbody tr:hover { background: none; }
.sheet-note { margin: 0; padding: var(--half) var(--leading); border-top: 1px solid var(--color-divider);
  font-size: 19.5px; line-height: var(--leading); color: color-mix(in srgb, var(--color-text) 70%, transparent); }

.tb-tabs { display: flex; }
.tb-tab { appearance: none; background: none; border: 0; border-left: 1px solid var(--color-divider);
  cursor: pointer; font: inherit; white-space: nowrap;
  padding: var(--half) var(--leading); font-size: 19.5px; line-height: var(--leading);
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; font-feature-settings: "tnum" 1;
  color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.tb-tab:hover { color: var(--color-text); }
.tb-tab[aria-selected="true"] { color: var(--color-bg); background: var(--color-accent); }
.tab-panel[hidden] { display: none; }
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; min-height: 220px; background: var(--color-neutral-900); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.reg-form { display: flex; flex-direction: column; gap: var(--space-4); max-width: 420px;
  padding: var(--leading); }
.reg-confirm { margin: 0; padding: var(--leading); font-size: 22.5px; line-height: 1.4;
  color: color-mix(in srgb, var(--color-text) 78%, transparent); }

.tracks { padding: calc(2.5 * var(--leading)) 0; }
.tracks p.note { font-size: 22.5px; line-height: 1.4; max-width: var(--measure);
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
  margin: calc(var(--leading) - 1cap) 0 0; text-box: trim-both cap alphabetic; }

.prizes-section { padding: calc(2.5 * var(--leading)) 0 calc(3 * var(--leading)); }
.cells { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 48px);
  margin-top: calc(var(--leading) - var(--half)); }
.cell-frame { position: relative; border: 1px solid var(--color-divider); padding: var(--leading); text-align: center; }
.cell-frame .place { font-size: 19.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-accent-700); margin: 0 0 var(--half); }
.cell-frame .amount { font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 60px; line-height: 1; letter-spacing: 0.01em; margin: 0; text-box: trim-both cap alphabetic; }
@media (max-width: 880px) { .cells { grid-template-columns: 1fr; gap: calc(var(--leading) + 16px); } }

.close { padding: calc(2.5 * var(--leading)) 0 calc(2 * var(--leading)); }
.close h3 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 36px;
  line-height: 1.1; letter-spacing: 0.02em; text-transform: uppercase; margin: 0;
  text-box: trim-both cap alphabetic; }
.close .sub { font-size: 22.5px; line-height: 1.4; color: color-mix(in srgb, var(--color-text) 78%, transparent);
  margin: calc(var(--leading) - 1cap) 0 0; max-width: var(--measure); text-box: trim-both cap alphabetic; }
.close .row { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; margin-top: var(--leading); }

footer { padding: calc(2 * var(--leading)) 0; display: flex; flex-wrap: wrap; gap: var(--half);
  align-items: center; justify-content: space-between; font-size: 19.5px; line-height: var(--leading);
  color: color-mix(in srgb, var(--color-text) 70%, transparent); }
footer .tag { color: var(--color-accent-700); font-weight: 600; letter-spacing: 0.04em; }

@media (max-width: 720px) {
  .tb-title { flex-basis: 100%; border-bottom: 1px solid var(--color-divider); }
  .title-block > .tb-cell { padding-inline: var(--half); flex: 1 0 auto; }
  .tb-title + .tb-cell { border-left: 0; padding-left: var(--leading); }
  .tb-tabs { flex: 1 0 auto; }
  .tb-tab { flex: 1; padding-inline: var(--half); }
  .spec thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .spec, .spec tbody, .spec td { display: block; }
  .spec tr { display: grid; grid-template-columns: max-content 1fr; column-gap: var(--half); row-gap: var(--half);
    align-items: baseline; padding: var(--leading); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
  .spec tr:last-child { border-bottom: 0; }
  .spec th, .spec td { padding: 0; border: 0; }
  .spec th:first-child, .spec td:first-child { padding-left: 0; }
  .spec .s-num { grid-column: 1; }
  .spec .s-prop { grid-column: 2; }
  .spec .s-val, .spec .s-rem { grid-column: 1 / -1; }
}