/* ============================================================
   JUKEIDO — shared stylesheet, v2
   Ground: white / light gray (from the defense deck)
   Accents: the five belt colors — white, blue, purple, brown, black
   Type: Marcellus (display) + Public Sans (body)
   ============================================================ */

:root {
  --ink: #1c1c1e;
  --paper: #ffffff;
  --mist: #f5f4f0;
  --gray: #5a5f66;
  --line: #dedcd6;

  --belt-white: #ffffff;
  --belt-blue: #3c81c4;
  --belt-purple: #6b2a6e;
  --belt-brown: #8a3e1c;
  --belt-black: #1c1c1e;

  --display: "Marcellus", Georgia, serif;
  --body: "Public Sans", "Helvetica Neue", Arial, sans-serif;

  --max: 1080px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--belt-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--belt-purple); }

:focus-visible {
  outline: 2px solid var(--belt-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

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

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}

.brand:hover { color: var(--ink); }

.site-nav { display: flex; gap: clamp(1rem, 3vw, 2rem); }

.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray);
  padding: 0.25rem 0;
}

.site-nav a:hover { color: var(--belt-blue); }

.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 2px solid var(--belt-blue);
}

/* ---------- belt progression (signature) ----------
   Five segments, white through black: the path itself. */

.belt {
  height: 10px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 0;
}

.belt span { display: block; }
.belt .b-white  { background: var(--belt-white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.belt .b-blue   { background: var(--belt-blue); }
.belt .b-purple { background: var(--belt-purple); }
.belt .b-brown  { background: var(--belt-brown); }
.belt .b-black  { background: var(--belt-black); }

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

.hero { position: relative; overflow: hidden; }

.hero .wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  padding-top: clamp(3.5rem, 9vw, 7rem);
  padding-bottom: clamp(3.5rem, 9vw, 7rem);
}

.hero-vertical {
  font-family: var(--display);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--belt-blue);
  border-left: 1px solid var(--line);
  padding-left: 1.1rem;
  user-select: none;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.3rem, 5.5vw, 3.9rem);
  line-height: 1.12;
  max-width: 16ch;
}

.hero .lede {
  margin-top: 1.4rem;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--gray);
  max-width: 54ch;
}

.hero .cta-row { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem; }

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

.btn {
  display: inline-block;
  font-family: var(--body);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn-solid { background: var(--belt-blue); border-color: var(--belt-blue); color: #fff; }
.btn-solid:hover { background: var(--belt-purple); border-color: var(--belt-purple); color: #fff; }

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

section { padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3rem, 7vw, 5.5rem); }

.section-alt { background: var(--mist); }
.section-dark { background: var(--belt-black); color: #fff; }
.section-dark a { color: #fff; }
.section-dark .eyebrow { color: #fff; opacity: 0.75; }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--belt-blue);
  margin-bottom: 0.9rem;
}

h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  max-width: 26ch;
}

h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1.3;
}

.section-intro { color: var(--gray); max-width: 64ch; margin-top: 1rem; }
.section-dark .section-intro { color: #fff; opacity: 0.85; }

/* ---------- etymology strip ---------- */

.etym {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: 2.5rem;
}

.etym .part { text-align: center; }

.etym .part .word {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
}

.etym .part .word span { color: var(--belt-blue); }

.etym .part .meaning {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

/* ---------- framework: five practices ---------- */

.practices {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(0.9rem, 1.8vw, 1.4rem);
  margin-top: 2.5rem;
}

.practice {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.2rem 1.1rem 1.3rem;
  position: relative;
}

.practice::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 8px;
}

.practice.p-white::before  { background: var(--belt-white); border-bottom: 1px solid var(--line); }
.practice.p-blue::before   { background: var(--belt-blue); }
.practice.p-purple::before { background: var(--belt-purple); }
.practice.p-brown::before  { background: var(--belt-brown); }
.practice.p-black::before  { background: var(--belt-black); }

.practice .p-belt {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 0.35rem;
}

.practice h3 { margin-top: 0.35rem; font-size: 1.2rem; }

.practice .p-root {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--belt-blue);
  margin-top: 0.15rem;
}

.practice.p-purple .p-root { color: var(--belt-purple); }
.practice.p-brown .p-root  { color: var(--belt-brown); }
.practice.p-black .p-root  { color: var(--ink); }

.practice p.desc { margin-top: 0.7rem; font-size: 0.9rem; color: var(--gray); }

/* ---------- principle band ---------- */

.principle { text-align: center; }

.principle blockquote {
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.4;
  max-width: 32ch;
  margin: 0 auto;
}

.principle .attribution {
  margin-top: 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ---------- credibility strip ---------- */

.cred-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.cred {
  border-left: 1px solid var(--line);
  padding-left: 1rem;
  font-size: 0.92rem;
  color: var(--gray);
}

.cred strong { display: block; color: var(--ink); font-weight: 600; margin-bottom: 0.2rem; }

/* ---------- offerings ---------- */

.offer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.8rem, 4vw, 2.8rem) 0;
  border-top: 1px solid var(--line);
}

.offer:last-of-type { border-bottom: 1px solid var(--line); }

.offer-kind {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--belt-blue);
}

.offer h3 { font-size: clamp(1.4rem, 2.6vw, 1.8rem); margin-top: 0.4rem; }

.offer-body p { color: var(--gray); }
.offer-body p + p { margin-top: 0.9rem; }

.offer-meta {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.offer-meta span::before {
  content: "";
  display: inline-block;
  width: 0.45em; height: 0.45em;
  background: var(--belt-blue);
  margin-right: 0.55em;
  transform: translateY(-0.08em);
}

/* ---------- about ---------- */

.bio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 2rem;
  align-items: start;
}

.bio-grid .bio-text p + p { margin-top: 1rem; }
.bio-grid .bio-text p { color: var(--ink); }

.fact-list { list-style: none; border-top: 2px solid var(--ink); }

.fact-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--gray);
}

.fact-list li strong { color: var(--ink); font-weight: 600; }

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

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 2rem;
  align-items: start;
}

.form-field { margin-bottom: 1.2rem; }

.form-field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.75rem 0.9rem;
  border-radius: 0;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--belt-blue);
  outline-offset: 0;
  border-color: var(--belt-blue);
}

.form-field textarea { min-height: 10rem; resize: vertical; }

.contact-aside {
  border-top: 2px solid var(--ink);
  padding-top: 1.1rem;
  font-size: 0.95rem;
  color: var(--gray);
}

.contact-aside p + p { margin-top: 0.9rem; }

/* ---------- contact band ---------- */

.contact-band { text-align: center; }
.contact-band h2 { margin: 0 auto; }
.contact-band p { margin-top: 1rem; opacity: 0.85; max-width: 50ch; margin-left: auto; margin-right: auto; }
.contact-band .cta-row { margin-top: 2rem; display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.contact-band .btn { border-color: #fff; color: #fff; }
.contact-band .btn:hover { background: #fff; color: var(--ink); }
.contact-band .btn-solid { background: var(--belt-blue); border-color: var(--belt-blue); }
.contact-band .btn-solid:hover { background: #fff; border-color: #fff; color: var(--ink); }

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

.site-footer { background: var(--belt-black); color: #fff; }

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
  font-size: 0.85rem;
  opacity: 0.9;
}

.site-footer a { color: #fff; }

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .practices { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .cred-strip { grid-template-columns: repeat(2, 1fr); }
  .offer { grid-template-columns: 1fr; gap: 1rem; }
  .bio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .etym { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-vertical {
    writing-mode: horizontal-tb;
    border-left: 0;
    padding-left: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.8rem;
  }
  .practices { grid-template-columns: 1fr; }
  .cred-strip { grid-template-columns: 1fr; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
}

/* ---------- problem pillars ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: 2.5rem;
}

.pillar { border-top: 2px solid var(--belt-blue); padding-top: 1.1rem; }
.pillar:nth-child(2) { border-top-color: var(--belt-purple); }
.pillar:nth-child(3) { border-top-color: var(--belt-brown); }
.pillar h3 { margin-bottom: 0.5rem; }
.pillar p { color: var(--gray); font-size: 0.98rem; }

@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
}

/* ---------- portrait ---------- */

.portrait {
  width: 100%;
  border: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

/* ---------- headshot ---------- */

.headshot {
  max-width: 320px;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  margin-top: 1.8rem;
}

/* ---------- fact list labels ---------- */

.fact-label {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--belt-blue);
  margin-top: 1.6rem;
  margin-bottom: 0.4rem;
}

.fact-label:first-of-type { margin-top: 0; }

/* ---------- two-column pillars ---------- */

.pillars.two { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 860px) {
  .pillars.two { grid-template-columns: 1fr; }
}

/* ---------- process steps ---------- */

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: 2.5rem;
}

.step { border-top: 2px solid var(--belt-blue); padding-top: 1rem; }
.step:nth-child(2) { border-top-color: var(--belt-purple); }
.step:nth-child(3) { border-top-color: var(--belt-brown); }
.step:nth-child(4) { border-top-color: var(--belt-black); }

.step-num {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.step h3 { margin-top: 0.3rem; margin-bottom: 0.5rem; }
.step p { color: var(--gray); font-size: 0.95rem; }

@media (max-width: 860px) {
  .process { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .process { grid-template-columns: 1fr; }
}

/* ---------- per-offer CTA ---------- */

.offer-cta { margin-top: 1.1rem; font-size: 0.9rem; }