/* ==========================================================================
   Coleman Intelligence — Site Stylesheet
   See website/design.md for the full design system rationale.
   ========================================================================== */

/* --- Tokens --------------------------------------------------------------- */
:root {
  /* Colors */
  --color-navy-ink: #121225;
  --color-canvas-white: #ffffff;
  --color-warm-cream: #f4e6d2;
  --color-pale-rule: #d8d8e0;
  --color-muted-stone: #6a6a7a;
  --color-soft-concrete: #e9eaeb;
  --color-action-navy: #121225;
  --color-brand-gold: #dbb056;
  --color-deep-ink: #1a1a2e;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Garamond, Georgia, serif;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --page-max-width: 1120px;
  --section-gap: 120px;
  --section-gap-mobile: 80px;
  --card-padding: 32px;
  --element-gap: 24px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  --radius-input: 8px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-canvas-white);
  color: var(--color-navy-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-navy-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-brand-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-thickness 120ms ease;
}
a:hover { text-decoration-thickness: 2px; }

/* Headings always use the serif */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy-ink);
  font-weight: 600;
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

p { margin: 0; }

/* --- Layout primitives ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-gap-mobile) 0; }
@media (min-width: 720px) {
  .section { padding: var(--section-gap) 0; }
}

.section--cream { background: var(--color-warm-cream); }
.section--ink {
  background: var(--color-deep-ink);
  color: var(--color-warm-cream);
}
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--color-warm-cream); }
.section--ink a { color: var(--color-warm-cream); }

/* --- Typography utilities ------------------------------------------------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: 16px;
  display: block;
}

.display { font-size: clamp(40px, 6vw, 64px); font-weight: 600; line-height: 1.05; }
.display-sm { font-size: clamp(32px, 4.5vw, 48px); font-weight: 600; line-height: 1.1; }
.heading-lg { font-size: clamp(24px, 3vw, 32px); font-weight: 600; line-height: 1.2; }
.heading { font-size: 24px; font-weight: 600; line-height: 1.25; }

.lead {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.55;
  color: var(--color-navy-ink);
  max-width: 56ch;
}

.muted { color: var(--color-muted-stone); }

/* Gold rule under headlines (signature mark) */
.gold-rule {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-brand-gold);
  margin: 24px 0 24px;
  border: 0;
}
.gold-rule--center { margin-left: auto; margin-right: auto; }

/* Pull quote / italic principle line */
.pull-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.35;
  color: var(--color-navy-ink);
  border-left: 2px solid var(--color-brand-gold);
  padding-left: 24px;
  max-width: 56ch;
}

/* --- Navigation ----------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(150%) blur(8px);
  -webkit-backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--color-soft-concrete);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-navy-ink);
}
.site-nav__brand:hover { text-decoration: none; }
.site-nav__wordmark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.site-nav__logo { height: 36px; width: auto; }
.site-nav__links {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 8px 0;
}
@media (min-width: 720px) {
  .site-nav__links {
    flex-direction: row;
    align-items: center;
    gap: 4px;
    padding: 0;
  }
}
.site-nav__link {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-navy-ink);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  transition: background-color 120ms ease;
}
.site-nav__link:hover {
  background: var(--color-warm-cream);
  text-decoration: none;
}
.site-nav__link--active { background: var(--color-warm-cream); }

/* --- Mobile menu toggle --------------------------------------------------- */
.site-nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-soft-concrete);
  border-radius: var(--radius-pill);
  padding: 0;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.site-nav__toggle:hover {
  background: var(--color-warm-cream);
  border-color: var(--color-navy-ink);
}
.site-nav__toggle:focus-visible {
  outline: 2px solid var(--color-brand-gold);
  outline-offset: 2px;
}
.site-nav__toggle-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-navy-ink);
  transition: transform 200ms ease, opacity 200ms ease;
  transform-origin: center;
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
@media (min-width: 720px) {
  .site-nav__toggle { display: none; }
}

/* --- Mobile menu panel (collapsed by default below 720px) ----------------- */
@media (max-width: 719.98px) {
  .site-nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(150%) blur(8px);
    -webkit-backdrop-filter: saturate(150%) blur(8px);
    border-bottom: 1px solid var(--color-soft-concrete);
    max-height: 0;
    overflow: hidden;
    transition: max-height 240ms ease;
  }
  .site-nav__menu[data-open="true"] {
    max-height: 70vh;
  }
  .site-nav__link {
    display: block;
    padding: 14px 24px;
    border-radius: 0;
    border-left: 3px solid transparent;
    transition: background-color 120ms ease, border-color 120ms ease;
  }
  .site-nav__link:hover {
    background: var(--color-warm-cream);
    border-left-color: var(--color-brand-gold);
  }
  .site-nav__link--active {
    background: var(--color-warm-cream);
    border-left-color: var(--color-brand-gold);
  }
}

/* --- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease,
              color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}
.btn:hover { text-decoration: none; }

.btn--primary {
  background: var(--color-action-navy);
  color: var(--color-warm-cream);
  border-color: var(--color-action-navy);
}
.btn--primary:hover {
  background: var(--color-deep-ink);
  border-color: var(--color-brand-gold);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 18, 37, 0.18);
}

.btn--ghost {
  background: transparent;
  color: var(--color-navy-ink);
  border-color: var(--color-navy-ink);
}
.btn--ghost:hover {
  background: rgba(18, 18, 37, 0.06);
  border-color: var(--color-navy-ink);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 18, 37, 0.12);
}

/* Disabled state used by the form submit handler while a request is in flight. */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
@media (max-width: 719.98px) {
  .btn-row--equal {
    display: grid;
    grid-template-columns: max-content;
  }
  .btn-row--equal .btn {
    width: 100%;
    text-align: center;
  }
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
  padding: 96px 0 80px;
}
@media (min-width: 720px) {
  .hero { padding: 144px 0 120px; }
}
.hero__headline { max-width: 22ch; }
.hero__subhead { margin-top: 28px; }

/* --- Cards ---------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--2 { grid-template-columns: repeat(2, 1fr); }
}

.feature-card {
  background: var(--color-warm-cream);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
}
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 16px;
  line-height: 1.6;
}
.feature-card .feature-card__index {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: 12px;
  display: block;
}

.editorial-card {
  background: var(--color-canvas-white);
  border: 1px solid var(--color-soft-concrete);
  border-radius: var(--radius-lg);
  padding: 40px;
}

/* --- Methodology list ----------------------------------------------------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}
.steps__item {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: baseline;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--color-soft-concrete);
}
.steps__item:last-child { border-bottom: 1px solid var(--color-soft-concrete); }

/* On cream backgrounds, the soft-concrete border sits too close in lightness
   to the cream — visible enough to distract, not visible enough to define.
   Drop the borders and let the 28px padding do the separation. */
.section--cream .steps__item { border-top: none; }
.section--cream .steps__item:last-child { border-bottom: none; }

/* Unnumbered variant: drops the number column for non-sequential lists. */
.steps--list .steps__item { grid-template-columns: 1fr; }
.steps__num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-brand-gold);
  line-height: 1;
}
.steps__title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}
.steps__body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-navy-ink);
  max-width: 60ch;
}

/* --- Quiet link: looks like body text until hover ------------------------- */
.link-quiet {
  color: inherit;
  text-decoration: none;
  transition: text-decoration-thickness 120ms ease;
}
.link-quiet:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-brand-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* --- Headshot ------------------------------------------------------------- */
.headshot {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-brand-gold);
  margin-bottom: 32px;
  display: block;
}

/* --- Two-column section --------------------------------------------------- */
.split {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1.4fr; gap: 72px; }
}

/* --- Forms ---------------------------------------------------------------- */
.form-card {
  background: var(--color-warm-cream);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-row { margin-bottom: 16px; }

/* Honeypot row: positioned off-screen so humans never see it. Do not use
   display:none — some bots skip those entirely, defeating the trap. */
.form-row--hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-row label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted-stone);
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-navy-ink);
  background: var(--color-canvas-white);
  border: 1px solid var(--color-soft-concrete);
  border-radius: var(--radius-input);
  padding: 14px 16px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.form-row select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1.5l5 5 5-5' fill='none' stroke='%236a6a7a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px 8px;
  padding-right: 40px;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: var(--color-brand-gold);
  box-shadow: 0 0 0 2px rgba(219, 176, 86, 0.35);
}
.form-row textarea { resize: vertical; min-height: 120px; }

/* Trade list inside founding-clients cards */
.trade-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.trade-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 14px;
  font-size: 15px;
  line-height: 1.6;
}
.trade-list li:last-child { margin-bottom: 0; }
.trade-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--color-brand-gold);
}
.form-help {
  font-size: 13px;
  color: var(--color-muted-stone);
  margin-top: 16px;
}

/* --- Direct contact strip ------------------------------------------------- */
.direct-contact {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-soft-concrete);
}
.direct-contact__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: 8px;
}
.direct-contact__line {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
}

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  background: var(--color-deep-ink);
  color: var(--color-warm-cream);
  padding: 64px 0 40px;
}
.site-footer a { color: var(--color-warm-cream); text-decoration-color: var(--color-brand-gold); }
.site-footer__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.site-footer__wordmark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-warm-cream);
  line-height: 1;
}
.site-footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--color-warm-cream);
  opacity: 0.85;
  max-width: 32ch;
}
.site-footer h4 {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: 12px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer__rule {
  border: 0;
  border-top: 1px solid rgba(219, 176, 86, 0.35);
  margin: 40px 0 24px;
}
.site-footer__copy {
  font-size: 12px;
  color: rgba(244, 230, 210, 0.7);
  letter-spacing: 0.04em;
}

/* --- Service area chip ---------------------------------------------------- */
.area-chip {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted-stone);
  background: var(--color-warm-cream);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
}