/* ============================================================
   CENTURY — shared stylesheet
   Editorial, data-forward system carried over from the printed
   Client Sample Plan: ink + hairline rules + a single reserved
   accent, with a monospace face for anything measured.
   ============================================================ */

:root {
  /* ---- brand neutrals (light) ---- */
  --ink:        #17181A;
  --ink-soft:   #3A3C40;
  --gray:       #6B6F76;
  --muted:      #9A9DA3;
  --line:       #D8DADD;
  --mist:       #EDEEF0;
  --paper:      #F2F2F3;
  --surface:    #FFFFFF;

  /* ---- accent (ink itself — no separate hue) ---- */
  --accent:       #17181A;
  --accent-ink:   #FFFFFF;
  --accent-soft:  #EDEEF0;
  --accent-line:  #D8DADD;

  /* ---- type ---- */
  --font-display: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

  --content-max: 1120px;
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink:        #ECEDEE;
    --ink-soft:   #C7C9CE;
    --gray:       #9DA3AA;
    --muted:      #74787E;
    --line:       #2B2E31;
    --mist:       #1D2321;
    --paper:      #121314;
    --surface:    #19191B;

    --accent:       #ECEDEE;
    --accent-ink:   #121314;
    --accent-soft:  #1D2321;
    --accent-line:  #2B2E31;
  }
}

:root[data-theme="dark"] {
  --ink:        #ECEDEE;
  --ink-soft:   #C7C9CE;
  --gray:       #9DA3AA;
  --muted:      #74787E;
  --line:       #2B2E31;
  --mist:       #1D2321;
  --paper:      #121314;
  --surface:    #19191B;

  --accent:       #ECEDEE;
  --accent-ink:   #121314;
  --accent-soft:  #1D2321;
  --accent-line:  #2B2E31;
}

/* ---------------------------------------------------------- */

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 24px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 720px) { body { padding: 0 40px; } }

img { max-width: 100%; }

a { color: inherit; }

.wrap {
  max-width: var(--content-max);
  margin: 0 auto;
}

h1, h2, h3 { margin: 0; text-wrap: balance; font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0; }

.tabular { font-variant-numeric: tabular-nums; }

/* ---- eyebrow / rule / labels (from the print system) ---- */

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0 0 12px 0;
}
.eyebrow.accent { color: var(--accent); }

.rule {
  border: none;
  border-top: 2px solid var(--ink);
  margin: 0;
}
.rule.accent { border-top-color: var(--accent); }
.rule.hair { border-top: 1px solid var(--line); }

.chart-label { font-size: 12.5px; font-weight: 700; letter-spacing: 0.04em; fill: var(--ink); font-family: var(--font-display); }
.chart-tick { font-size: 11px; fill: var(--gray); font-family: var(--font-mono); }

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

.site-nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-nav .bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
  gap: 10px;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; min-width: 0; }
.brand .mark polygon { stroke: var(--ink); }
.brand-text { display: flex; flex-direction: row; align-items: baseline; gap: 7px; line-height: 1; min-width: 0; }
.brand-word {
  font-weight: 700; font-size: 14px; letter-spacing: 0.08em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-sub {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.site-nav .nav-cta {
  flex-shrink: 0;
  font-size: 12px;
  padding: 9px 14px;
  white-space: nowrap;
}
@media (min-width: 560px) { .site-nav .nav-cta { font-size: 13px; padding: 11px 20px; } }

.nav-cta-short { display: none; }
@media (max-width: 480px) {
  .brand-sub { display: none; }
  .nav-cta-full { display: none; }
  .nav-cta-short { display: inline; }
}

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

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1.5px solid var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { filter: brightness(1.08); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--mist); }
.btn--on-dark { border-color: var(--accent-ink); color: var(--accent-ink); }

/* ---- sections / layout rhythm ---- */

section { padding-block: 64px; }
section.tight { padding-block: 44px; }
.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head h2 { font-size: clamp(26px, 3.6vw, 34px); }

.band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.band--accent {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
}
.band--accent .eyebrow { color: color-mix(in srgb, var(--accent-ink) 75%, transparent); }
.band--accent p { color: color-mix(in srgb, var(--accent-ink) 88%, transparent); }

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

.hero {
  padding-block: 56px 60px;
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.15fr 1fr; align-items: center; padding-block: 76px 84px; }
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.08;
  margin: 0 0 20px 0;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 28px 0;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-coach-credit { font-size: 13px; color: var(--ink-soft); }
.hero-coach-credit strong { color: var(--ink); font-weight: 700; }
.hero-note { font-size: 12px; color: var(--muted); margin-top: 14px; letter-spacing: 0.02em; }

.hero-visual {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px 16px;
}
.hero-visual .cap { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.hero-visual .cap .tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }

/* ---- benefit grid (What's Included) ---- */

.benefit-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (min-width: 700px) { .benefit-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .benefit-grid { grid-template-columns: repeat(5, 1fr); } }
/* 5 cards is an odd number: in the 2-column band (700-1019px) the last card
   would otherwise sit alone with an empty cell beside it, exposing the grid's
   hairline background as a blank gray box. Span it full-width instead. */
@media (min-width: 700px) and (max-width: 1019.98px) {
  .benefit-grid > :last-child { grid-column: 1 / -1; }
}

.benefit-card {
  background: var(--surface);
  padding: 22px 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.benefit-card svg { color: var(--accent); flex-shrink: 0; }
.benefit-card.soon svg { color: var(--muted); }
.benefit-card .head-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.benefit-card h3 { font-size: 15.5px; }
.benefit-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.5; }
.benefit-card.soon h3 { color: var(--gray); }
.soon-tag {
  font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--gray); border: 1px solid var(--line);
  border-radius: 20px; padding: 3px 9px; white-space: nowrap; margin-top: 1px;
}

/* ---- pillar grid ---- */

/* ---- step timeline (vertical, circular numbered nodes) ---- */

.step-timeline {
  display: flex;
  flex-direction: column;
  max-width: 640px;
}
.step-item {
  display: flex;
  gap: 22px;
}
.step-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}
.step-line {
  flex: 1;
  width: 2px;
  min-height: 28px;
  background: var(--line);
  margin: 6px 0;
}
.step-item:last-child .step-line { display: none; }
.step-body { padding: 7px 0 36px; }
.step-item:last-child .step-body { padding-bottom: 0; }
.step-body h3 { font-size: 16.5px; margin-bottom: 6px; }
.step-body p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.55; max-width: 52ch; }

.pillar-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (min-width: 700px) { .pillar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .pillar-grid { grid-template-columns: repeat(5, 1fr); } }

.pillar-card {
  background: var(--surface);
  padding: 22px 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.pillar-card .num { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.pillar-card h3 { font-size: 17px; }
.pillar-card .sub { font-size: 12.5px; color: var(--gray); font-weight: 600; }
.pillar-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }

/* ---- stat band (mono numerals) ---- */

.stat-row { display: grid; gap: 24px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}
.stat .n { font-family: var(--font-mono); font-weight: 700; font-size: clamp(26px, 3.4vw, 34px); display: block; }
.stat .l { font-size: 11.5px; color: var(--gray); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; display: block; }

.stat-row--hero .stat { border-left-width: 3px; padding-left: 16px; }
.stat-row--hero .n { font-size: clamp(42px, 7vw, 66px); letter-spacing: -0.01em; }
.stat-row--hero .l { font-size: 12.5px; margin-top: 6px; }

/* ---- pillar strip (hero) ---- */
.pillar-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 28px 32px; }
.ps-item { border-left: 3px solid var(--ink); padding-left: 14px; }
.ps-num { display: block; font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600; color: var(--gray); letter-spacing: 0.04em; margin-bottom: 3px; }
.ps-word { display: block; font-weight: 800; font-size: clamp(19px, 2.8vw, 27px); letter-spacing: -0.01em; }
.ps-sub { display: block; margin-top: 7px; font-size: 13px; color: var(--gray); line-height: 1.4; }

/* ---- pillar list + framework visual (homepage Framework section) ---- */
.framework-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 760px) {
  .framework-layout { grid-template-columns: 1fr; gap: 32px; }
}
.pillar-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px 32px; }
.framework-visual { display: flex; justify-content: center; }
.framework-visual .radar-chart { width: 100%; max-width: 380px; height: auto; }
.pillar-list .ps-item { padding-top: 1px; padding-bottom: 1px; }

/* ---- compact accordion component (reused for FAQ) ---- */
.pillar-accordion, .faq-list { border-top: 1px solid var(--line); }
.pa-item { border-bottom: 1px solid var(--line); }
.pa-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 2px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}
.pa-item summary::-webkit-details-marker,
.pa-item summary::marker { display: none; content: ""; }
.pa-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600; color: var(--gray); letter-spacing: 0.04em; flex-shrink: 0; }
.pa-word { font-weight: 700; font-size: 14.5px; flex: 1; }
.pa-chevron { font-size: 11px; color: var(--gray); flex-shrink: 0; transition: transform 0.18s ease; }
.pa-item[open] .pa-chevron { transform: rotate(180deg); }
.pa-body { margin: 0 0 14px 33px; font-size: 12.5px; color: var(--gray); line-height: 1.5; max-width: 34ch; }
.pa-link { display: inline-block; margin-top: 14px; font-size: 12.5px; font-weight: 600; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.pa-link:hover { border-color: var(--ink); }

/* FAQ sizing overrides (same accordion component, no leading number) */
.faq-list { max-width: 760px; }
.faq-item summary { padding: 17px 2px; gap: 16px; }
.faq-item .pa-word { font-size: 16px; }
.faq-item .pa-chevron { font-size: 12px; }
.faq-item .pa-body { margin: 0 0 18px 2px; font-size: 14.5px; max-width: 62ch; line-height: 1.6; }

/* ---- chart card ---- */

.chart-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 18px;
}
.chart-card .cap { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.chart-card .cap .tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.chart-key { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; font-size: 11.5px; color: var(--gray); }
.chart-key span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); display: inline-block; }
.dash { width: 14px; height: 0; border-top: 1.5px dashed var(--gray); display: inline-block; }
.ring { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--ink); display: inline-block; }

/* ---- tables (program schedule) ---- */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.sched { width: 100%; border-collapse: collapse; min-width: 560px; background: var(--surface); }
table.sched th {
  text-align: left; text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--gray); font-weight: 700; padding: 12px 16px; border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}
table.sched td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13.5px; }
table.sched tr:last-child td { border-bottom: none; }
table.sched td.day { font-weight: 700; white-space: nowrap; }
table.sched td.gray { color: var(--gray); }
table.sched td.time { font-family: var(--font-mono); white-space: nowrap; color: var(--ink-soft); }

/* ---- callout / note ---- */

.callout {
  background: var(--paper);
  border-left: 3px solid var(--accent);
  padding: 18px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout .label { font-weight: 700; font-size: 12px; display: block; margin-bottom: 6px; letter-spacing: 0.02em; }
.callout p { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }

/* ---- coach cards ---- */

.coach-grid { display: grid; gap: 24px; }
@media (min-width: 700px) { .coach-grid { grid-template-columns: 1fr 1fr; } }
.coach-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px;
}
.coach-card .role { font-family: var(--font-mono); font-size: 11.5px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; display: block; }
.coach-card h3 { font-size: 20px; margin-bottom: 4px; }
.coach-card .cred { font-size: 12.5px; color: var(--gray); margin-bottom: 14px; display: block; }
.coach-card p { font-size: 14px; color: var(--ink-soft); }

/* ---- track compare (performance / resilience) ---- */

.track-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 700px) { .track-grid { grid-template-columns: 1fr 1fr; } }
.track { background: var(--surface); padding: 26px 24px; }
.track .eyebrow { margin-bottom: 14px; }
.track blockquote { margin: 0 0 14px 0; font-size: 19px; font-weight: 600; line-height: 1.35; }
.track p { font-size: 13.5px; color: var(--gray); }

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

footer.site-footer { border-top: 1px solid var(--line); padding-block: 40px; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .word { font-weight: 700; letter-spacing: 0.08em; font-size: 13px; }
.footer-social { display: flex; align-items: center; gap: 10px; }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gray);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.social-link:hover { color: var(--ink); border-color: var(--ink); }
.footer-bottom { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---- utility ---- */

.grid-2 { display: grid; gap: 32px; }
@media (min-width: 860px) { .grid-2 { grid-template-columns: 1fr 1fr; align-items: start; } }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mt-lg { margin-top: 48px; }
.k { font-family: var(--font-mono); }

@media (prefers-reduced-motion: no-preference) {
  .fade-up { animation: fadeUp 0.5s ease both; }
  @keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }