/* Dos Bros — brand surface. Vanilla CSS + custom-property tokens.
   Fight-poster palette: bright paper, ink, hot red + electric yellow.
   Light/dark via data-theme on <html> (house pattern, same as wattson /
   tilloconsulting) with prefers-color-scheme as the default. */

/* ---------- tokens ---------- */

:root {
  --paper:      #fdfaf2;
  --paper-2:    #f6efdd;
  --paper-3:    #ffffff;
  --ink:        #17161c;
  --ink-2:      #454250;
  --ink-3:      #7b7684;
  --accent:     #f5382a;
  --accent-2:   #ffc21f;
  --accent-ink: #fffdf7;
  --line:       #e3dac6;

  --display: "Anton", "Arial Narrow", Impact, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --text-face: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;

  --max: 68rem;
  --text: 44rem;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* dark tokens, applied either by explicit toggle or by system pref */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #16151d;
    --paper-2:    #1f1e29;
    --paper-3:    #12111a;
    --ink:        #f8f4ea;
    --ink-2:      #ccc7bd;
    --ink-3:      #918c9c;
    --accent:     #ff5544;
    --accent-2:   #ffcc3d;
    --accent-ink: #16151d;
    --line:       #322f3f;
  }
}
:root[data-theme="dark"] {
  --paper:      #16151d;
  --paper-2:    #1f1e29;
  --paper-3:    #12111a;
  --ink:        #f8f4ea;
  --ink-2:      #ccc7bd;
  --ink-3:      #918c9c;
  --accent:     #ff5544;
  --accent-2:   #ffcc3d;
  --accent-ink: #16151d;
  --line:       #322f3f;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--text-face);
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: var(--text); }

/* ---------- header ---------- */

header.site {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: .9rem; padding-bottom: .9rem;
}
.wordmark {
  font-family: var(--display); font-size: 1.5rem; letter-spacing: .04em;
  color: var(--ink); text-decoration: none; line-height: 1;
}
.wordmark span { color: var(--accent); }
header.site nav { display: flex; gap: 1.5rem; align-items: center; }
header.site nav a {
  color: var(--ink-2); text-decoration: none; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase;
}
header.site nav a:hover { color: var(--accent); }

/* ---------- pill ---------- */

.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--accent); color: var(--accent-ink);
  font-size: .68rem; letter-spacing: .18em; text-transform: uppercase;
  font-weight: 700; padding: .38rem .8rem;
}
.pill.quiet { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.pill .dot {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  animation: blink 2.4s var(--ease) infinite;
}
@keyframes blink { 0%,100% { opacity: 1 } 50% { opacity: .25 } }
@media (prefers-reduced-motion: reduce) { .pill .dot { animation: none } }

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

.hero { position: relative; min-height: min(88vh, 46rem); display: flex; align-items: flex-end; overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  /* Vertical pass protects the type; horizontal pass keeps the right side —
     where the two figures stand — light enough to actually read. */
  background:
    linear-gradient(100deg, rgba(20,19,15,.86) 0%, rgba(20,19,15,.66) 42%, rgba(20,19,15,.22) 72%, rgba(20,19,15,.34) 100%),
    linear-gradient(180deg, rgba(20,19,15,.34) 0%, rgba(20,19,15,.28) 40%, rgba(20,19,15,.72) 100%);
}
.hero .wrap { position: relative; z-index: 2; padding-top: 5rem; padding-bottom: 3.5rem; width: 100%; }
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.7rem, 8.2vw, 6.8rem);
  line-height: .88; letter-spacing: -.005em;
  margin: 1.25rem 0 1.5rem; color: #f2efe6; text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede {
  max-width: 40rem; color: #ded8c9; font-size: 1.02rem; margin: 0 0 2rem;
}
.hero .lede strong { color: #fff; font-weight: 500; }
.hero-credit {
  position: absolute; right: 1.5rem; bottom: 1.1rem; z-index: 2;
  font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(242,239,230,.5);
}

/* ---------- buttons ---------- */

.cta-row { display: flex; gap: .8rem; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: .95rem 1.6rem;
  background: var(--accent); color: var(--accent-ink);
  text-decoration: none; font-weight: 700; font-size: .8rem;
  letter-spacing: .13em; text-transform: uppercase;
  border: 1px solid var(--accent); transition: transform .18s var(--ease), filter .18s var(--ease);
}
.btn:hover { filter: brightness(1.08); transform: translateY(-2px); }
.btn.ghost { background: transparent; color: #f2efe6; border-color: rgba(242,239,230,.4); }
.btn.ghost:hover { border-color: #f2efe6; }
.btn.ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- stat strip ---------- */

.stats { border-bottom: 1px solid var(--line); background: var(--paper-2); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
.stat {
  padding: 2rem 1.5rem; border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat .n {
  font-family: var(--display); font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1; color: var(--accent); display: block;
}
.stat:nth-child(2) .n { color: var(--accent-2); }
.stat .k {
  font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3); margin-top: .6rem; display: block;
}

/* ---------- sections ---------- */

section { padding: 5rem 0; }
.eyebrow {
  font-size: .68rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1rem;
}
h2.big {
  font-family: var(--display); font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: .95; margin: 0 0 1.75rem; text-wrap: balance;
}
.prose p { margin: 0 0 1.15rem; color: var(--ink-2); }
.prose p.first { font-size: 1.15rem; color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 500; }
.aside {
  border-left: 3px solid var(--accent); padding: .25rem 0 .25rem 1.25rem;
  color: var(--ink-3); font-size: .95rem; margin: 2rem 0 0;
}

/* ---------- counter ---------- */

.counter-block { border: 1px solid var(--line); background: var(--paper-2); padding: 2.5rem 1.5rem; text-align: center; }
.counter { font-family: var(--display); font-size: clamp(3.5rem, 13vw, 7rem); line-height: 1; }
.counter .n { color: var(--accent); }
.counter .goal { color: var(--ink-3); }
.counter-note { color: var(--ink-3); margin: 1rem auto 0; max-width: 30rem; font-size: .92rem; }
.counter-note strong { color: var(--ink); }

/* ---------- weight classes ---------- */

.class-grid { display: grid; gap: 1px; background: var(--line); grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); border: 1px solid var(--line); }
.class-card { background: var(--paper); padding: 1.75rem 1.5rem; }
.class-card .idx { font-family: var(--display); font-size: 2.6rem; color: var(--accent-2); line-height: 1; }
.class-card h3 { font-family: var(--display); font-size: 1.6rem; margin: .5rem 0 .1rem; letter-spacing: .01em; }
.class-card .vram { color: var(--accent); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 .9rem; }
.class-card p { margin: 0; font-size: .88rem; color: var(--ink-3); line-height: 1.6; }

/* ---------- frame grid ---------- */

.frames { display: grid; gap: 2px; grid-template-columns: repeat(3, 1fr); background: var(--line); border: 1px solid var(--line); }
@media (max-width: 52rem) { .frames { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 30rem) { .frames { grid-template-columns: 1fr; } }
.frames img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; filter: grayscale(.15); transition: filter .3s var(--ease), transform .5s var(--ease); }
.frames a { overflow: hidden; display: block; }
.frames a:hover img { filter: none; transform: scale(1.04); }

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

.form-shell { border: 1px solid var(--line); background: var(--paper-2); padding: 2rem 1.5rem; }
#signup-form { display: grid; gap: 1.1rem; margin-top: 1.5rem; }
.row-2 { display: grid; gap: 1.1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 34rem) { .row-2 { grid-template-columns: 1fr; } }
#signup-form label { display: flex; flex-direction: column; gap: .45rem; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
#signup-form input[type=text], #signup-form input[type=email], #signup-form select {
  background: var(--paper); border: 1px solid var(--line); color: var(--ink);
  padding: .8rem .85rem; font: inherit; font-size: .95rem; text-transform: none; letter-spacing: 0; width: 100%;
}
#signup-form input:focus-visible, #signup-form select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
#signup-form .opt { color: var(--ink-3); opacity: .7; }
#signup-form label.check { flex-direction: row; align-items: center; gap: .6rem; text-transform: none; letter-spacing: 0; font-size: .85rem; }
#signup-form label.check input { accent-color: var(--accent); width: 1rem; height: 1rem; }
#signup-form button {
  background: var(--accent); color: var(--accent-ink); border: none;
  padding: 1rem 1.2rem; font: inherit; font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; cursor: pointer;
  transition: filter .18s var(--ease);
}
#signup-form button:hover:not(:disabled) { filter: brightness(1.08); }
#signup-form button:disabled { opacity: .45; cursor: default; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#form-msg { font-size: .9rem; margin: 0; min-height: 1.3em; }
#form-msg.ok { color: var(--accent); }
#form-msg.err { color: #b3261e; }

/* ---------- roster ---------- */

.roster-list { list-style: none; padding: 0; margin: 1.5rem 0 1rem; }
.roster-list li { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; padding: .7rem 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.roster-list .handle { font-weight: 700; }
.roster-list .tag { font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: .12rem .5rem; }
.roster-list .concept { color: var(--ink-3); font-size: .86rem; }
.empty { color: var(--ink-3); border: 1px dashed var(--line); padding: 2rem; text-align: center; }

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

footer.site { border-top: 1px solid var(--line); background: var(--paper-2); padding: 3rem 0; font-size: .85rem; color: var(--ink-3); }
footer.site strong { color: var(--ink); }
footer.site p { margin: .4rem 0; }

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

.muted { color: var(--ink-3); font-size: .9rem; }
.small { font-size: .78rem; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

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

.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- rendered markdown (rules) ---------- */

.rules-body { max-width: var(--text); }
.rules-body h1 { font-family: var(--display); font-size: clamp(2.2rem, 7vw, 3.6rem); line-height: .95; margin: 0 0 1.5rem; }
.rules-body h2 { font-family: var(--display); font-size: 1.7rem; margin: 3rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); letter-spacing: .01em; }
.rules-body h3 { font-size: 1rem; margin: 2rem 0 .6rem; letter-spacing: .02em; }
.rules-body p, .rules-body li { color: var(--ink-2); }
.rules-body ul, .rules-body ol { padding-left: 1.25rem; }
.rules-body li { margin: .4rem 0; }
.rules-body strong { color: var(--ink); font-weight: 700; }
.rules-body blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; border-left: 3px solid var(--accent); background: var(--paper-2); color: var(--ink-3); font-size: .92rem; }
.rules-body blockquote p { margin: .4rem 0; }
.rules-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .86rem; display: block; overflow-x: auto; }
.rules-body th, .rules-body td { border: 1px solid var(--line); padding: .6rem .7rem; text-align: left; }
.rules-body th { background: var(--paper-2); color: var(--accent); text-transform: uppercase; font-size: .7rem; letter-spacing: .1em; }
.rules-body hr { border: none; border-top: 1px solid var(--line); margin: 2.5rem 0; }
.rules-body code { background: var(--paper-2); border: 1px solid var(--line); padding: .1rem .35rem; font-size: .88em; }

/* ---------- faq ---------- */

.faq { border-top: 1px solid var(--line); margin-top: 1.5rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 1.1rem 2rem 1.1rem 0; position: relative;
  font-weight: 700; font-size: .95rem; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .25rem; top: 50%; transform: translateY(-50%);
  font-family: var(--display); font-size: 1.5rem; color: var(--accent); line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq summary:hover { color: var(--accent); }
.faq details p { margin: 0 0 1.25rem; color: var(--ink-2); font-size: .92rem; max-width: 40rem; }

/* ---------- hero identity line ---------- */

.hero .ident {
  margin: 1.4rem 0 0; font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: rgba(242,239,230,.72);
}
.hero h1 { margin-top: .6rem; }

/* ---------- theme toggle (house pattern) ---------- */

.theme-toggle {
  background: transparent; border: 1px solid var(--line); color: var(--ink-2);
  width: 2.1rem; height: 2.1rem; display: inline-grid; place-items: center;
  cursor: pointer; font-size: .95rem; line-height: 1; padding: 0;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-icon { display: none; }
:root[data-theme="dark"] .theme-icon.sun { display: block; }
:root[data-theme="light"] .theme-icon.moon { display: block; }
:root:not([data-theme]) .theme-icon.moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-icon.moon { display: none; }
  :root:not([data-theme]) .theme-icon.sun { display: block; }
}

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

.footer-links { margin-top: 1.25rem !important; }
.footer-links a { color: var(--ink-3); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

#signup-form textarea, #contact-form textarea {
  background: var(--paper); border: 1px solid var(--line); color: var(--ink);
  padding: .8rem .85rem; font: inherit; font-size: .95rem; width: 100%;
  text-transform: none; letter-spacing: 0; resize: vertical;
}
#contact-form textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
#contact-form { display: grid; gap: 1.1rem; }
#contact-form label { display: flex; flex-direction: column; gap: .45rem; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
#contact-form input[type=text], #contact-form input[type=email] {
  background: var(--paper); border: 1px solid var(--line); color: var(--ink);
  padding: .8rem .85rem; font: inherit; font-size: .95rem; width: 100%; text-transform: none; letter-spacing: 0;
}
#contact-form input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
#contact-form .opt { color: var(--ink-3); opacity: .7; }
#contact-form button {
  background: var(--accent); color: var(--accent-ink); border: none;
  padding: 1rem 1.2rem; font: inherit; font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; cursor: pointer;
}
#contact-form button:disabled { opacity: .45; cursor: default; }

/* Labels flow as blocks so an inline hint ("optional") sits on the caption line
   instead of becoming its own flex row. */
#signup-form label:not(.check), #contact-form label {
  display: block;
}
#signup-form label:not(.check) > input,
#signup-form label:not(.check) > select,
#contact-form label > input,
#contact-form label > textarea {
  display: block; margin-top: .45rem;
}
#signup-form .opt, #contact-form .opt { margin-left: .4rem; }

/* ---------- fuller nav ---------- */

header.site nav { gap: 1.15rem; }
.nav-cta {
  background: var(--accent); color: var(--accent-ink) !important;
  padding: .5rem .9rem; font-weight: 700;
}
.nav-cta:hover { filter: brightness(1.08); }
@media (max-width: 62rem) { .nav-wide { display: none; } }
@media (max-width: 30rem) {
  header.site nav { gap: .8rem; }
  header.site nav a { font-size: .7rem; }
}

/* Three stats, so let the runtime one set a little smaller than the money. */
.stat-grid { grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.stat .n { font-size: clamp(2.1rem, 4.4vw, 3.1rem); }

/* ---------- typography: mono is for labels, not paragraphs ---------- */

.eyebrow, .pill, .btn, .nav-cta, header.site nav a, .stat .k,
.class-card .vram, .roster-list .tag, .hero .ident, .footer-links,
#signup-form label, #contact-form label, .theme-toggle, .hero-credit {
  font-family: var(--mono);
}
.prose p, .class-card p, .counter-note, .muted, footer.site p,
.faq summary, .faq details p, .rules-body p, .rules-body li, .rules-body td {
  font-family: var(--text-face);
}
.prose p { font-size: 1.02rem; line-height: 1.72; }
.prose p.first { font-size: 1.22rem; line-height: 1.6; }

/* ---------- cards, properly ---------- */

.class-grid {
  gap: 1.25rem; background: none; border: none;
  grid-template-columns: repeat(3, 1fr);
}
.class-grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 66rem) {
  .class-grid, .class-grid.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 40rem) {
  .class-grid, .class-grid.four { grid-template-columns: 1fr; }
}
.class-card {
  position: relative; overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 2rem 1.6rem 1.75rem;
  display: flex; flex-direction: column;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.class-card:hover { transform: translateY(-3px); border-color: var(--accent); }

/* ghosted index numeral, editorial style */
.class-card .idx {
  position: absolute; top: .5rem; right: .9rem;
  font-family: var(--display); font-size: 4.6rem; line-height: .8;
  color: var(--ink); opacity: .07; pointer-events: none; user-select: none;
}
:root[data-theme="dark"] .class-card .idx { opacity: .1; }

.class-card h3 {
  font-family: var(--display); font-size: 1.45rem; line-height: 1.05;
  margin: 0 0 .55rem; letter-spacing: .005em;
  text-wrap: balance; max-width: 11ch;
}
.class-card .vram {
  font-size: .64rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.1rem; font-weight: 500;
}
.class-card .vram::before {
  content: ""; display: block; width: 1.6rem; height: 2px;
  background: var(--accent); margin-bottom: .8rem;
}
.class-card p:not(.vram) {
  margin: 0; font-size: .93rem; line-height: 1.6; color: var(--ink-2);
}

/* ---------- mobile ---------- */

@media (max-width: 48rem) {
  body { font-size: 16px; }
  .wrap { padding: 0 1.15rem; }
  section { padding: 3.25rem 0; }

  .hero { min-height: auto; padding-bottom: .5rem; }
  .hero .wrap { padding-top: 3.5rem; padding-bottom: 2.5rem; }
  .hero h1 { font-size: clamp(2.3rem, 11.5vw, 3.4rem); line-height: .95; }
  .hero .ident { font-size: .62rem; letter-spacing: .14em; }
  .hero .lede { font-size: .95rem; }
  .cta-row { gap: .6rem; }
  .btn { padding: .85rem 1.1rem; font-size: .74rem; letter-spacing: .1em; flex: 1 1 auto; text-align: center; }

  h2.big { font-size: clamp(1.75rem, 8.5vw, 2.6rem); }
  .stat { padding: 1.4rem 1.15rem; border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .stat-grid { grid-template-columns: 1fr; }
  .counter-block { padding: 1.75rem 1.15rem; }
  .class-card { padding: 1.6rem 1.25rem 1.4rem; }
  .class-card .idx { font-size: 3.6rem; }
  .class-card h3 { max-width: none; }

  .frames { grid-template-columns: 1fr; }
  .rules-body table { font-size: .78rem; }
  .rules-body h1 { font-size: clamp(1.8rem, 9vw, 2.6rem); }
  .rules-body h2 { font-size: 1.35rem; }
  footer.site { padding: 2.25rem 0; }
}

@media (max-width: 30rem) {
  .hero h1 { font-size: 2.15rem; }
  .wordmark { font-size: 1.25rem; }
  .prose p.first { font-size: 1.05rem; }
}

/* Long URLs and workflow filenames shouldn't blow out the layout on a phone. */
.rules-body, .prose { overflow-wrap: anywhere; }
img { max-width: 100%; height: auto; }
