/* ============================================================================
   Deerfield Green — kintsugi editorial design system
   Charcoal canvas, warm off-white text, a single gold "seam" accent.
   The gold seam = the positioning metaphor: cracked pilots -> structured repair.
   Shared classes consumed by every landing variant. No build step.
   ========================================================================== */

:root {
  /* --- tokens --- */
  --canvas: #f5f1e8;          /* warm paper canvas */
  --canvas-raised: #fffdf7;   /* faint raised panels */
  --ink: #1f1d18;             /* deep warm ink text */
  --slate: #5f5c54;           /* muted secondary text */
  --slate-dim: #8a867c;       /* tertiary / captions */
  --gold: #a0640f;            /* the single warm gold seam — used sparingly */
  --gold-soft: rgba(160, 100, 15, 0.18);
  --hairline: rgba(31, 29, 24, 0.12);

  --serif: "Fraunces", Georgia, serif;
  --body: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --wrap-max: 72rem;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.96rem + 0.3vw, 1.125rem);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

/* --- layout --------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
  border-top: 1px solid var(--hairline);
}

/* --- the gold seam: a single hairline, never a fill ----------------------- */
.seam {
  display: block;
  width: 4.5rem;
  height: 2px;
  border: 0;
  margin: 1.75rem 0;
  background: var(--gold);
  position: relative;
}
.seam::after {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 100%; height: 1px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--gold), transparent);
}

/* --- eyebrows / kickers --------------------------------------------------- */
.eyebrow,
.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
  font-weight: 500;
}
.kicker { color: var(--slate); }

/* --- hero ----------------------------------------------------------------- */
.hero {
  padding-block: clamp(4rem, 11vw, 8rem) clamp(3rem, 7vw, 5rem);
}

.display {
  font-family: var(--serif);
  font-weight: 460;
  font-optical-sizing: auto;
  font-size: clamp(2.4rem, 5.2vw + 1rem, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}
.display em {
  font-style: italic;
  color: var(--gold);
}

.lede {
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.4rem);
  line-height: 1.5;
  color: var(--slate);
  max-width: 52ch;
  margin: 0 0 2rem;
}
.lede strong { color: var(--ink); font-weight: 600; }

/* --- section headings ----------------------------------------------------- */
.section h2 {
  font-family: var(--serif);
  font-weight: 450;
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  max-width: 22ch;
}
.section p {
  max-width: 60ch;
  color: var(--slate);
}
.section p strong { color: var(--ink); font-weight: 600; }

/* --- numbers as hero: stat blocks ----------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 2.5rem;
}
@media (min-width: 40rem) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}

.stat {
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--hairline);
}
.stat-num {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 1.6rem + 2.6vw, 3.6rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  display: block;
}
.stat-num .unit {
  color: var(--gold);
  font-size: 0.55em;
  margin-left: 0.1em;
}
.stat-cap {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--slate);
}
.stat-cap .src {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--slate-dim);
}

/* --- deliverables grid ---------------------------------------------------- */
.deliverables {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 2.5rem;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
@media (min-width: 38rem) {
  .deliverables { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 60rem) {
  .deliverables { grid-template-columns: repeat(3, 1fr); }
}
.deliverable {
  background: var(--canvas);
  padding: 1.75rem 1.5rem;
}
.deliverable .n {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.deliverable h3 {
  font-family: var(--serif);
  font-weight: 480;
  font-size: 1.18rem;
  line-height: 1.2;
  margin: 0.6rem 0 0.5rem;
}
.deliverable p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--slate);
}

/* --- the three-stage ladder ----------------------------------------------- */
.ladder {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2.5rem;
  counter-reset: rung;
}
@media (min-width: 52rem) {
  .ladder { grid-template-columns: repeat(3, 1fr); }
}
.ladder-item {
  position: relative;
  display: block;
  padding: 1.75rem 1.5rem;
  background: var(--canvas-raised);
  border: 1px solid var(--hairline);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.ladder-item:hover {
  border-color: var(--gold-soft);
  transform: translateY(-2px);
}
.ladder-item::before {
  counter-increment: rung;
  content: counter(rung, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.ladder-item .stage {
  display: block;
  margin: 0.7rem 0 0.4rem;
  font-size: 0.82rem;
  color: var(--slate);
  font-style: italic;
}
.ladder-item h3 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: 1.22rem;
  line-height: 1.18;
  margin: 0 0 0.6rem;
}
.ladder-item p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  color: var(--slate);
}
.ladder-item .go {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}
.ladder-item[aria-current="true"] {
  border-color: var(--gold);
}
.ladder-item[aria-current="true"]::after {
  content: "you are here";
  position: absolute;
  top: 1.75rem; right: 1.5rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

/* --- CTA band ------------------------------------------------------------- */
.cta-band {
  text-align: left;
}
.cta-band h2 { max-width: 20ch; }
.cta-band .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
  align-items: center;
}

/* --- buttons -------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  padding: 0.85rem 0;
  position: relative;
}
.btn::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0.45rem;
  width: 100%; height: 2px;
  background: var(--gold);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.btn:hover::after { transform: scaleX(1.08); }
.btn::before {
  content: "\2192\00a0\00a0";
  color: var(--gold);
}

.btn-ghost {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  text-decoration: none;
  padding: 0.85rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--hairline); }

/* --- footer --------------------------------------------------------------- */
.foot {
  padding-block: 2.5rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--slate-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

/* --- staggered page-load reveal (pure CSS) -------------------------------- */
@keyframes reveal {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  animation: reveal 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  animation-delay: calc(var(--d, 0) * 110ms);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; }
  html { scroll-behavior: auto; }
}