/* good_sport — landing
   Editorial / analyst research-desk identity.
   Display: Playfair Display · Body: IBM Plex Sans · Data/labels: IBM Plex Mono */

:root {
  --paper:      #F4F5F2;
  --paper-2:    #ECEEE8;
  --ink:        #16181D;
  --ink-soft:   #565B62;
  --rule:       #D5D7CE;
  --accent:     #2B4B7E;   /* ledger slate-blue */
  --accent-12:  rgba(43, 75, 126, 0.12);
  --pos:        #2D6A12;
  --neg:        #9C2A12;

  --serif: "Playfair Display", Georgia, serif;
  --sans:  "IBM Plex Sans", system-ui, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, monospace;

  --measure: 36rem;
  --pad-x: clamp(1.25rem, 5vw, 6rem);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.015em; margin: 0; }
p { margin: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- shared labels ---- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.wordmark { font-family: var(--mono); font-weight: 500; letter-spacing: -0.01em; }

/* ================= HERO ================= */
.hero {
  padding: 0 var(--pad-x);
  border-bottom: 1px solid var(--rule);
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--rule);
}
.topbar .wordmark { font-size: 1.05rem; }
.topbar-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.hero-copy { max-width: 40rem; }

h1 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 1.02;
  margin-bottom: 1.6rem;
}
h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.lede {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: var(--measure);
  margin-bottom: 2.2rem;
}

/* ---- waitlist form ---- */
.waitlist { max-width: 30rem; }
.waitlist input {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.98rem;
  padding: 0.95rem 1rem;
  background: #fff;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
}
.waitlist input::placeholder { color: #9aa0a6; }
.waitlist input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.waitlist button {
  width: 100%;
  margin-top: 0.55rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.95rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.waitlist button:hover { background: var(--accent); border-color: var(--accent); }
.waitlist button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.85rem;
}
.form-note.is-ok { color: var(--pos); }
.form-note.is-err { color: var(--neg); }

/* ---- signature: calibration plot ---- */
.calib { margin: 0; }
.calib-svg { width: 100%; height: auto; display: block; }
.calib .axis { stroke: var(--rule); stroke-width: 1.5; }
.calib .diagonal {
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}
.calib .dots circle {
  fill: var(--ink);
  stroke: var(--paper);
  stroke-width: 2;
}
.calib-axis-x, .calib-axis-y {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--ink-soft);
  text-anchor: middle;
}
.calib figcaption {
  margin-top: 1.4rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 26rem;
}
.calib-quote {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.32rem;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

/* ================= SECTION SCAFFOLD ================= */
section { padding: clamp(3.5rem, 8vw, 6.5rem) var(--pad-x); }
.section-head { max-width: var(--measure); margin-bottom: clamp(2rem, 5vw, 3.2rem); }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.08; }

/* ================= ASK / ANSWER ================= */
.ask { border-bottom: 1px solid var(--rule); }
.transcript {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  max-width: 52rem;
}
.transcript li {
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
}
.transcript .who {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-right: 0.7rem;
  color: var(--accent);
}
.transcript .q { font-size: 1.12rem; margin-bottom: 0.7rem; }
.transcript .tool {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 0.7rem;
}
.transcript .tool code { font-family: var(--mono); color: var(--accent); }
.transcript .tool .arrow { color: var(--rule); margin-right: 0.3rem; }
.transcript .a { color: var(--ink-soft); max-width: 44rem; }
.transcript .a .who { color: var(--ink-soft); }

/* ================= HONESTY THESIS ================= */
.honest { background: var(--paper-2); border-bottom: 1px solid var(--rule); }
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.pillar { border-top: 1px solid var(--ink); padding-top: 1.4rem; }
.pillar-k {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.pillar-d { color: var(--ink-soft); }
.pillar-d-stat { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.stat {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.55rem;
  border: 1px solid currentColor;
}
.stat.pos { color: var(--pos); }
.stat.neg { color: var(--neg); }
.stat.flat { color: var(--ink-soft); }

/* ================= CROSS-PLATFORM ================= */
.where { border-bottom: 1px solid var(--rule); }
.where-lede { color: var(--ink-soft); max-width: var(--measure); margin-top: 1rem; }
.clients {
  list-style: none;
  margin: 0 0 1.8rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 3.5rem);
}
.clients li {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--ink);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.clients li:hover { border-bottom-color: var(--accent); }
.endpoint {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.mono { font-family: var(--mono); }

/* ================= CLOSING ================= */
.closing { text-align: center; }
.closing h2 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: 22ch; margin: 0 auto 2.4rem; }
.waitlist--closing { margin: 0 auto; }

/* ================= FOOTER ================= */
.foot {
  padding: 2.4rem var(--pad-x) 3rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.5rem 3rem;
}
.foot .wordmark { font-size: 1rem; }
.disclaimer {
  font-size: 0.8rem;
  color: var(--ink-soft);
  max-width: 44rem;
  line-height: 1.5;
}

/* ================= MOTION ================= */
.js .reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 0.84, 0.44, 1);
}

/* calibration draw-in */
.diagonal {
  stroke-dashoffset: 0;
}
.calib.is-in .diagonal {
  animation: draw 1.1s ease forwards;
}
@keyframes draw {
  from { stroke-dasharray: 360; stroke-dashoffset: 360; }
  to   { stroke-dasharray: 6 5; stroke-dashoffset: 0; }
}
.js .calib .dots circle { opacity: 0; transform: scale(0.4); transform-origin: center; transform-box: fill-box; }
.calib.is-in .dots circle {
  animation: pop 0.5s cubic-bezier(0.16, 0.84, 0.44, 1) forwards;
  animation-delay: calc(0.75s + var(--i) * 0.08s);
}
@keyframes pop { to { opacity: 1; transform: scale(1); } }

/* ================= RESPONSIVE ================= */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .calib { order: -1; max-width: 22rem; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-top-width: 1px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .calib.is-in .diagonal { animation: none; stroke-dasharray: 6 5; }
  .calib .dots circle, .calib.is-in .dots circle { opacity: 1; transform: none; animation: none; }
}