/* =========================================================================
   OptaPoint Consulting — Design Tokens
   Editorial minimalism for an executive technology advisory.
   ========================================================================= */
:root {
  /* -- Color: warm neutral paper, charcoal-navy ink, one restrained accent -- */
  --paper: #F8F6F1;          /* primary background: warm neutral */
  --paper-raised: #FFFFFF;    /* panels sitting slightly above paper */
  --ink: #16233D;             /* primary text: charcoal-navy, not pure black */
  --ink-soft: #545B6B;        /* secondary text */
  --ink-faint: #5F6675;       /* tertiary / captions — meets 4.5:1 on paper */
  --line: #E2DED2;            /* hairline rule on paper */
  --line-strong: #C9C4B5;     /* slightly stronger rule */
  --accent: #1E3A8A;          /* the single restrained accent (deep blue) */
  --accent-ink: #16233D;
  --navy: #0B1D3A;            /* reversed / dark section background (brand navy) */
  --on-navy: #F5F3EC;         /* text on navy */
  --on-navy-soft: rgba(245, 243, 236, 0.66);
  --on-navy-line: rgba(245, 243, 236, 0.16);
  --focus: #1E3A8A;

  /* -- Type -- */
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* -- Layout -- */
  --container: 1180px;
  --measure: 640px;
  --gutter: 28px;
  --radius: 2px;
  --header-h: 128px;
  --barnav-h: 56px;
}

/* =========================================================================
   Reset & base
   ========================================================================= */
* { box-sizing: border-box; }
/* CSS scroll-behavior:smooth stacked with scroll-snap-type:mandatory made
   mouse-wheel scrolling feel sluggish — the browser was animating a smooth
   scroll toward the wheel delta AND then separately animating the snap
   correction on top of it. Wheel/trackpad scrolling is left at its native
   speed (still animated by the browser's own snap easing); anchor-link
   clicks get an explicit smooth scroll via JS (see script.js) instead. */
html { scroll-behavior: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection { background: var(--accent); color: var(--on-navy); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--navy);
  color: var(--on-navy);
  padding: 0.9em 1.3em;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.prose {
  max-width: var(--measure);
}

section { position: relative; }

/* =========================================================================
   Typography
   ========================================================================= */
h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.011em;
}

h1 { font-size: clamp(2.35rem, 3.6vw, 3.55rem); font-weight: 500; }
h2 { font-size: clamp(1.7rem, 2.6vw, 2.35rem); }
h3 { font-size: 1.28rem; font-weight: 600; font-family: var(--sans); letter-spacing: -0.003em; }

p { margin: 0 0 1.1em; }

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 560px;
}

.eyebrow {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.1em;
}

.eyebrow.on-navy { color: var(--on-navy-soft); }
.eyebrow-center { text-align: center; }

.section-head {
  max-width: 700px;
  margin-bottom: 3.2rem;
}

.section-head p { color: var(--ink-soft); font-size: 1.05rem; }

/* Rule dividers — the architectural motif, used instead of cards/shadows */
.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

.rule.on-navy { border-top-color: var(--on-navy-line); }

/* Section seams — every major chapter gets a top rule and an alternating
   background so the page reads as distinct sections, not one long scroll. */
.chapter {
  border-top: 2px solid var(--line-strong);
}
.chapter.tone-paper { background: var(--paper); }
.chapter.tone-white { background: var(--paper-raised); }

.chapter-marker {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}
.chapter-marker .chapter-num {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.chapter-marker .chapter-num.on-navy { color: var(--on-navy-soft); }
.chapter-marker .chapter-rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
  max-width: 64px;
}
.chapter-marker .chapter-rule.on-navy { background: var(--on-navy-line); }


/* =========================================================================
   Buttons — restrained, sharp corners, no pill shapes
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

@media (min-width: 561px) {
  .btn { white-space: nowrap; }
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #16296b; border-color: #16296b; }

.btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--ink); }

.btn-line.on-navy {
  color: var(--on-navy);
  border-color: var(--on-navy-line);
}
.btn-line.on-navy:hover { border-color: var(--on-navy); }

.btn-arrow { padding-right: 0.2em; }
.btn-arrow .arrow { transition: transform 0.15s ease; }
.btn-arrow:hover .arrow { transform: translateX(3px); }

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.site-header.scrolled {
  background: rgba(248, 246, 241, 0.94);
  backdrop-filter: none;
  border-bottom-color: var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem; /* floor on the brand<->nav gap, not just leftover space-between slack */
  height: 128px;
  transition: height 0.2s ease;
}

.site-header.scrolled .container { height: 96px; }

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
}

.brand img { height: 58px; width: auto; transition: height 0.2s ease; }
.site-header.scrolled .brand img { height: 48px; }

.brand-word {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.brand-word .light { color: var(--ink-soft); font-weight: 400; }

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  flex-shrink: 0;
}

nav.primary-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.3em 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.primary-nav a:hover,
nav.primary-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav-cta { margin-left: 0.5rem; }
.nav-cta .btn { padding: 0.68em 1.25em; font-size: 0.88rem; }
/* nav.primary-nav a is more specific than .btn-primary alone, which was
   graying out this button's text — pin it back to white here. */
.nav-cta .btn-primary,
.nav-cta .btn-primary:hover,
.nav-cta .btn-primary.active { color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  padding: 168px 0 96px;
  background: var(--paper);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.hero-copy h1 { margin-bottom: 0.55em; }

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

.hero-figure {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.hero-diagram {
  width: 100%;
  height: auto;
}

.hero-diagram-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-diagram-labels .from { color: var(--ink-faint); }
.hero-diagram-labels .to { color: var(--accent); }

.hero-diagram-caption {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.hero-diagram-caption strong { color: var(--ink); font-weight: 600; }

/* Trust strip */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2.6rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.trust-strip strong { color: var(--ink); font-weight: 600; }

/* =========================================================================
   Definition-list pattern (replaces card grids)
   ========================================================================= */
.deflist {
  display: flex;
  flex-direction: column;
}

.deflist-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.deflist-row:last-child { border-bottom: 1px solid var(--line); }

.deflist-row .term {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
}

.deflist-row .term .num {
  display: block;
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-weight: 400;
  margin-bottom: 0.5em;
  letter-spacing: 0.02em;
}

.deflist-row .desc p { color: var(--ink-soft); margin-bottom: 0.6em; }
.deflist-row .desc p:last-child { margin-bottom: 0; }

/* =========================================================================
   Problem section
   ========================================================================= */
.problem { padding: 108px 0; }

.symptom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 3rem;
}

.symptom-item {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1rem;
}

.symptom-item .mark { font-family: var(--serif); color: var(--accent); font-size: 1rem; }
.symptom-item h3 { font-size: 1rem; margin-bottom: 0.3em; }
.symptom-item p { color: var(--ink-soft); font-size: 0.94rem; margin: 0; }

/* =========================================================================
   Who we help — reversed navy section
   ========================================================================= */
.who {
  background: var(--navy);
  color: var(--on-navy);
  padding: 108px 0;
}

.who h2 { color: var(--on-navy); }
.who .section-head p { color: var(--on-navy-soft); }
.who-copy { color: var(--on-navy-soft); max-width: 480px; }

.who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sector-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 2rem;
}

.sector-list li {
  font-size: 0.96rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--on-navy-line);
  break-inside: avoid;
  color: var(--on-navy);
}
.sector-list li:first-child,
.sector-list li:nth-child(2) { border-top: none; }

.quote-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quote-col blockquote {
  margin: 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--on-navy);
  line-height: 1.5;
}

/* =========================================================================
   Services — table-of-contents style
   ========================================================================= */
.services { padding: 108px 0; }

.service-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr 0.75fr;
  gap: 2.5rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.service-row:last-child { border-bottom: 1px solid var(--line); }

.service-row .flag {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6em;
}

.service-row h3 { margin-bottom: 0.4em; }
.service-row .desc p { color: var(--ink-soft); margin: 0; font-size: 0.98rem; }

.service-meta {
  font-family: var(--sans);
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.service-meta div { margin-bottom: 0.6em; }
.service-meta strong { display: block; color: var(--ink); font-size: 0.86rem; font-weight: 600; }
.service-meta span { color: var(--ink-faint); }

/* =========================================================================
   Approach — legitimate numbered sequence
   ========================================================================= */
.approach { padding: 108px 0; }

.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.approach-step {
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-strong);
}

.approach-step .num {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}

.approach-step h3 { font-size: 1.05rem; margin-bottom: 0.4em; }
.approach-step p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* =========================================================================
   Why different — quiet two-column comparison
   ========================================================================= */
.why { padding: 108px 0; }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.compare-col { padding: 2.2rem 2.6rem; }
.compare-col:first-child { border-right: 1px solid var(--line); }

.compare-col h3 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.3rem;
}

.compare-col.is-not h3 { color: var(--ink-faint); }
.compare-col.is-so h3 { color: var(--accent); }

.compare-col ul { list-style: none; margin: 0; padding: 0; }
.compare-col li {
  padding: 0.65rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.96rem;
}
.compare-col li:first-child { border-top: none; }
.compare-col.is-not li { color: var(--ink-faint); }
.compare-col.is-so li { color: var(--ink); }

/* =========================================================================
   About / credibility
   ========================================================================= */
.about {
  padding: 108px 0;
}

.about .container {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(3rem, 6vw, 5.5rem);
  align-items: start;
}

.about-profile {
  position: relative;
}

.founder-portrait {
  margin: 0 0 1.8rem;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
}

.founder-portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 403 / 353;
  object-fit: cover;
  object-position: center 34%;
  filter: saturate(0.88) contrast(1.02);
}

.about-figure {
  border-top: 1px solid var(--line-strong);
  padding-top: 1.5rem;
}

.about-figure h3 {
  margin-bottom: 0.15rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 500;
}

.about-figure .role {
  margin-bottom: 1.4rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-faint);
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.about-figure ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-figure li {
  position: relative;
  padding-left: 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}

.about-figure li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 5px;
  height: 1px;
  background: var(--accent);
}

.about-content {
  padding-top: 4.5rem;
}

.about-content h2 {
  max-width: 620px;
  margin-bottom: 1.1rem;
}

.about-content .prose {
  max-width: 680px;
  color: var(--ink-soft);
}

.credibility-list {
  display: flex;
  flex-direction: column;
  margin-top: 2.3rem;
}

.credibility-list .row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 0.9rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.55;
}

.credibility-list .row:last-child {
  border-bottom: 1px solid var(--line);
}

.credibility-list .tick {
  color: var(--accent);
  font-family: var(--serif);
}

@media (max-width: 900px) {
  .about .container {
    grid-template-columns: minmax(230px, 0.75fr) minmax(0, 1.25fr);
    gap: 3rem;
  }

  .about-content {
    padding-top: 4rem;
  }
}

@media (max-width: 760px) {
  .about {
    padding: 78px 0;
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: 2.8rem;
  }

  .about-profile {
    max-width: 480px;
  }

  .about-content {
    padding-top: 0;
  }

  .founder-portrait {
    max-width: 420px;
  }
}

/* =========================================================================
   FAQ accordion — quiet, text-only
   ========================================================================= */
.faq { padding: 108px 0; background: var(--navy); color: var(--on-navy); }
.faq h2 { color: var(--on-navy); }
.faq .section-head p { color: var(--on-navy-soft); }

.acc-item { border-top: 1px solid var(--on-navy-line); }
.acc-item:last-child { border-bottom: 1px solid var(--on-navy-line); }

.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--serif);
  font-size: 1.08rem;
  color: var(--on-navy);
}

.acc-trigger .sign {
  font-family: var(--sans);
  font-size: 1.1rem;
  color: var(--on-navy-soft);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.acc-item.open .acc-trigger .sign { transform: rotate(45deg); }

.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.acc-panel-inner {
  padding: 0 0 1.6rem;
  max-width: 640px;
  color: var(--on-navy-soft);
  font-size: 0.98rem;
}

/* =========================================================================
   Contact
   ========================================================================= */
.contact { padding: 108px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4.5rem;
  align-items: center;
}

.contact-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}
.contact-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.contact-list li:last-child { border-bottom: 1px solid var(--line); }
.contact-list strong { display: block; font-size: 0.85rem; color: var(--ink-faint); font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; margin-bottom: 0.35em; }
.contact-list span { font-size: 1rem; color: var(--ink); }

#brief-form { padding-top: 0; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.field { margin-bottom: 1.6rem; }
.field label {
  display: block;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5em;
  letter-spacing: 0.01em;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.85em 0;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--ink);
  transition: border-color 0.15s ease, border-bottom-width 0.15s ease;
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%235F6675' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round' d='M3.5 6l4.5 4.5L12.5 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: 14px;
  padding-right: 1.6em;
  cursor: pointer;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
  border-bottom-width: 2px;
}
.field textarea { resize: vertical; min-height: 90px; }
.field .error-msg { display: none; color: #A23B2E; font-size: 0.78rem; margin-top: 0.4em; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-bottom-color: #A23B2E; }
.field.invalid .error-msg { display: block; }

#brief-form .btn { margin-top: 0.4rem; }

.form-status {
  margin-top: 1.2rem;
  padding: 1em 0;
  font-size: 0.92rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.form-status.error { color: #A23B2E; }
.form-status.loading { color: var(--ink-soft); font-style: italic; }

.brief-submit-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

/* Honeypot — hidden from sighted users and screen readers, present in the
   DOM so simple spam bots fill it in. Not a security control by itself. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --- Path selector + progressive disclosure (replaces the old always-
   visible three-panel layout). Step 1 is a short, quiet list of three
   choices; step 2 shows exactly one panel of content, never more than one
   thing at a time. --- */
.path-flow { display: flex; flex-direction: column; }

.path-select-label {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0 0 1.2rem;
}

.path-options {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.path-option {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  padding: 1.5rem 0.6rem 1.5rem 1rem;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s ease, border-left-color 0.15s ease;
}
.path-option:hover,
.path-option:focus-visible { background: rgba(30, 58, 138, 0.035); border-left-color: var(--line-strong); }
.path-option:focus-visible { outline: none; }
.path-option[aria-pressed="true"] { border-left-color: var(--accent); background: rgba(30, 58, 138, 0.035); }

.path-option-num {
  flex-shrink: 0;
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  padding-top: 0.15em;
}

.path-option-body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.path-option-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}

.path-option-flag {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}

.path-option-desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.path-option-arrow {
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink-faint);
  transition: transform 0.15s ease, color 0.15s ease;
}
.path-option:hover .path-option-arrow,
.path-option:focus-visible .path-option-arrow { transform: translateX(3px); color: var(--accent); }

.path-back {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 0 0 1.6rem;
  transition: color 0.15s ease;
}
.path-back:hover { color: var(--ink); }

/* One panel's content at a time — schedule, diagnostic, or brief. */
.path-panel h3 {
  margin: 0 0 0.6rem;
  font-size: 1.22rem;
}
.path-panel > p { color: var(--ink-soft); font-size: 0.98rem; margin: 0 0 1.2rem; }

/* Diagnostic */
.diag-progress { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.diag-progress-track {
  flex: 1 1 auto;
  height: 3px;
  background: var(--line-strong);
  display: block;
}
.diag-progress-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width 0.25s ease;
  width: 20%;
}
.diag-progress-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

.diag-step legend {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 1.2rem;
  padding: 0;
  width: 100%;
}

.diag-options {
  display: flex;
  flex-direction: column;
}
.diag-options label {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 0.2rem;
  border-top: 1px solid var(--line);
  font-size: 0.98rem;
  color: var(--ink);
  cursor: pointer;
  min-height: 44px;
  transition: background-color 0.15s ease;
}
.diag-options label:last-child { border-bottom: 1px solid var(--line); }
.diag-options label:hover { background: rgba(30, 58, 138, 0.03); }
.diag-options input[type="radio"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.diag-error {
  color: #A23B2E;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.diag-controls {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.diag-controls .btn:disabled { opacity: 0.4; cursor: not-allowed; }
#diag-restart { margin-left: auto; }

.diag-result-eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin: 0;
}
.diag-result h4 { font-family: var(--serif); font-size: 1.5rem; margin: 0.3em 0 0.5em; }
.diag-result > p { color: var(--ink-soft); }
.diag-result-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin: 1.2rem 0 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}
.diag-result-meta strong { display: block; font-size: 0.8rem; color: var(--ink-faint); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.3em; }
.diag-result-meta span { font-size: 0.98rem; color: var(--ink); }
.diag-result-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Brief form privacy note + success state */
.privacy-note {
  font-size: 0.8rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  margin: 0.4rem 0 1.6rem;
}

.brief-success p { color: var(--ink-soft); margin: 0 0 0.8em; }
.brief-success p:first-child { color: var(--ink); }
.brief-success .btn { margin-top: 0.4rem; }
.brief-success-blocked {
  color: #7A5B12;
  background: #FBF4E4;
  border: 1px solid #E9D9AE;
  border-radius: 4px;
  padding: 0.7em 0.9em;
  font-size: 0.88rem;
}

/* =========================================================================
   Final CTA
   ========================================================================= */
.final-cta {
  padding: 100px 0;
  background: var(--navy);
  color: var(--on-navy);
  text-align: center;
}
.final-cta .eyebrow { text-align: center; }
.final-cta h2 { color: var(--on-navy); max-width: 680px; margin: 0 auto 0.6em; }
.final-cta p { color: var(--on-navy-soft); max-width: 560px; margin: 0 auto 2rem; }
.final-cta .actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* =========================================================================
   Footer
   ========================================================================= */
footer {
  background: var(--navy);
  color: var(--on-navy-soft);
  padding: 3.4rem 0 2rem;
  border-top: 1px solid var(--on-navy-line);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--on-navy-line);
}
.footer-brand { font-family: var(--serif); font-size: 1.1rem; color: var(--on-navy); }
.footer-nav { display: flex; gap: 1.8rem; flex-wrap: wrap; }
.footer-nav a { font-size: 0.86rem; color: var(--on-navy-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--on-navy); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-top: 1.6rem;
  font-size: 0.8rem;
}

/* =========================================================================
   Reveal-on-scroll — purposeful, minimal
   ========================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

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

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; gap: 2.5rem; }
  .who-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about .container { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-row { grid-template-columns: 1fr; gap: 1rem; }
  .approach-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .symptom-grid { grid-template-columns: 1fr; column-gap: 0; }
  .deflist-row { grid-template-columns: 1fr; gap: 0.8rem; }
  .compare { grid-template-columns: 1fr; }
  .compare-col:first-child { border-right: none; border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .path-option { gap: 1rem; padding: 1.3rem 0.4rem; }
  .path-option-title { font-size: 0.98rem; }
  nav.primary-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(300px, 82vw);
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-left: 1px solid var(--line);
  }
  .nav-open nav.primary-nav { transform: translateX(0); }
  nav.primary-nav a {
    color: var(--ink);
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }
  .nav-cta { margin: 1.4rem 0 0; }
  .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .sector-list { columns: 1; }
}

@media (max-width: 560px) {
  .hero { padding: 158px 0 64px; }
  .problem, .who, .services, .approach, .why, .about, .faq, .contact, .final-cta { padding: 72px 0; }
  .approach-grid { grid-template-columns: 1fr; row-gap: 2rem; }
}


/* =========================================================================
   Vertical slideshow — one section per screen, snapping on scroll.
   Enabled at >=761px where a full section reliably fits a viewport with
   room to spare; below that, the site keeps its normal continuous scroll
   (see the 760px breakpoint) since forcing dense sections like Services
   or Contact into a single small screen would clip content on phones.
   Any section taller than the viewport still scrolls internally, so
   nothing is ever hidden — it just isn't a "spare" screen anymore.
   ========================================================================= */
@media (min-width: 761px) {
  html { scroll-snap-type: y mandatory; }

  /* Sections fill exactly the space between the fixed header and the fixed
     bottom bar — not the full viewport — so the bar is a docked piece of
     chrome content loads above, never an overlay sitting on top of it. */
  .hero, .chapter {
    height: calc(100vh - var(--barnav-h));
    min-height: 560px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    padding-top: var(--header-h);
    padding-bottom: 24px;
  }

  /* Override the old fixed vertical rhythm — height + centering do that job now. */
  .problem, .who, .services, .approach, .why, .about, .faq, .contact, .final-cta {
    padding-top: var(--header-h);
    padding-bottom: 24px;
  }

  .hero { padding-bottom: 0; }

  .hero-main {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    overflow-y: auto;
  }
  .hero-main > .container { width: 100%; }
  .trust-strip { flex: 0 0 auto; }

  /* Any section's own content can scroll internally if it doesn't fit —
     the slide itself always stays exactly one viewport tall. */
  .chapter > .container {
    width: 100%;
    max-height: 100%;
    overflow-y: auto;
  }

  .hero-main::-webkit-scrollbar,
  .chapter > .container::-webkit-scrollbar { width: 5px; }
  .hero-main::-webkit-scrollbar-thumb,
  .chapter > .container::-webkit-scrollbar-thumb { background: var(--line-strong); }
  .who > .container::-webkit-scrollbar-thumb,
  .faq > .container::-webkit-scrollbar-thumb,
  .final-cta > .container::-webkit-scrollbar-thumb { background: var(--on-navy-line); }

  footer { scroll-snap-align: none; padding-bottom: var(--barnav-h); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; }
}

/* =========================================================================
   Slide progress bar — a static, docked bar (not a floating overlay) fixed
   to the bottom edge, the same way .site-header docks to the top. Its own
   opaque background means every slide's content simply loads in the space
   between the two — the bar never sits on top of content. One segment per
   section; segments behind the current slide read as covered ground.
   Stays hidden below the 761px slideshow breakpoint.
   ========================================================================= */
.slide-nav {
  display: none;
}

@media (min-width: 761px) {
  .slide-nav {
    display: flex;
    align-items: stretch;
    justify-content: center;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: var(--barnav-h);
    background: rgba(248, 246, 241, 0.94);
    border-top: 1px solid var(--line);
    z-index: 90;
  }

  .slide-nav-track {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 680px;
    padding: 0 var(--gutter);
  }

  .slide-dot {
    position: relative;
    flex: 1 1 0;
    display: flex;
    justify-content: center;
    text-decoration: none;
  }

  .slide-dot-label {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translate(-50%, 4px);
    font-family: var(--sans);
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.15s ease, transform 0.15s ease, color 0.15s ease;
  }

  .slide-dot-mark {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--line-strong);
    transition: background-color 0.15s ease;
  }

  .slide-dot:hover .slide-dot-label,
  .slide-dot.active .slide-dot-label { opacity: 1; transform: translate(-50%, 0); }

  .slide-dot.active .slide-dot-label { color: var(--ink); }

  /* Progress fill — every segment up to and including the current slide
     reads as covered ground; segments ahead stay the quiet track color. */
  .slide-dot.filled .slide-dot-mark,
  .slide-dot.active .slide-dot-mark { background: var(--accent); }
}

@media (min-width: 761px) and (max-width: 1080px) {
  .slide-nav-track { max-width: 460px; gap: 6px; }
  .slide-dot-label { display: none; }
}