/* ==========================================================================
   Trivarone — AI Business Intelligence Services
   Shared stylesheet
   ========================================================================== */

:root {
  --navy: #1B2E5E;
  --ink: #0E1B3A;
  --gold: #C9973A;
  --gold-soft: #E8D5A8;
  --paper: #FAF8F4;
  --white: #FFFFFF;
  --slate: #59617A;
  --rule: #DED8CC;
  --rule-dark: #2B3C68;

  --display: "Newsreader", Georgia, "Times New Roman", serif;
  --body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --measure: 68ch;
  --gutter: clamp(1.5rem, 5vw, 5rem);
}

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

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gold); }

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

.shell {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1.25rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 100; }

/* --------------------------------------------------------------- masthead */

.masthead {
  background: var(--navy);
  color: var(--white);
  border-bottom: 3px solid var(--gold);
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.wordmark {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--white);
  text-decoration: none;
  line-height: 1;
}
.wordmark:hover { color: var(--gold-soft); }

.wordmark__tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-top: 0.4rem;
  font-weight: 400;
}

.nav { display: flex; flex-wrap: wrap; gap: 1.75rem; }

.nav a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--gold-soft); border-bottom-color: var(--gold); }
.nav a[aria-current="page"] { border-bottom-color: var(--gold); color: var(--gold-soft); }

/* ------------------------------------------------------------------ title */

.titleblock {
  padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  max-width: 8rem;
}

.titleblock h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
  max-width: 22ch;
}

.titleblock h1 em {
  font-style: italic;
  color: var(--navy);
}

.standfirst {
  font-size: clamp(1.0625rem, 1.9vw, 1.3125rem);
  line-height: 1.55;
  color: var(--slate);
  max-width: 56ch;
  margin: 0;
}

/* ---------------------------------------------------------------- section */

.band { padding-block: clamp(3rem, 7vw, 5.5rem); }
.band--rule { border-top: 1px solid var(--rule); }
.band--navy { background: var(--navy); color: var(--white); }
.band--navy .section-label { color: var(--gold-soft); }
.band--navy .section-label::after { background: var(--rule-dark); }
.band--navy h2 { color: var(--white); }
.band--navy p { color: #C7CEE0; }

.section-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  max-width: 26ch;
}

h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.3125rem;
  line-height: 1.3;
  margin: 0 0 0.6rem;
}

.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1.15rem; }
.prose p:last-child { margin-bottom: 0; }

.lede { font-size: 1.1875rem; line-height: 1.6; }

/* ----------------------------------------------------------- findings set */
/* The signature element: the page renders as one of Trivarone's reports.    */

.findings { margin: 2.5rem 0 0; padding: 0; list-style: none; }

.finding {
  border-top: 1px solid var(--rule);
  padding-block: 2rem;
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0 1.5rem;
}
.finding:last-child { border-bottom: 1px solid var(--rule); }

.finding__no {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 0.35rem;
}

.finding__body { max-width: 60ch; }
.finding__body p { margin: 0 0 0.9rem; color: var(--slate); }
.finding__body p:last-child { margin-bottom: 0; }

.tag {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  display: block;
  margin-bottom: 0.3rem;
}

@media (max-width: 34rem) {
  .finding { grid-template-columns: 1fr; gap: 0.75rem; }
  .finding__no { padding-top: 0; }
}

/* ------------------------------------------------------------------ split */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: clamp(1.75rem, 4vw, 3.5rem);
  margin-top: 2.5rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--gold);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.panel p { color: var(--slate); margin: 0 0 1rem; }
.panel p:last-child { margin-bottom: 0; }

.plainlist { margin: 0; padding: 0; list-style: none; }
.plainlist li {
  padding: 0.55rem 0 0.55rem 1.4rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
  color: var(--slate);
}
.plainlist li:last-child { border-bottom: 0; }
.plainlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* --------------------------------------------------------------- services */

.services { margin: 2.5rem 0 0; }

.service-group { border-top: 1px solid var(--rule); padding-block: 2rem; }
.service-group:last-child { border-bottom: 1px solid var(--rule); }

.service-group h3 { margin-bottom: 1rem; }
.service-group p { color: var(--slate); max-width: 60ch; margin: 0 0 1.25rem; }

/* ------------------------------------------------------------------- meta */

.metagrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
}

.metagrid dt {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.4rem;
}

.metagrid dd { margin: 0; font-size: 1.0625rem; }
.metagrid dd a { word-break: break-word; }

/* ---------------------------------------------------------------- actions */

.actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.25rem; }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.95rem 1.75rem;
  text-decoration: none;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--white);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }

.btn--ghost { background: transparent; color: var(--navy); }
.btn--ghost:hover { background: var(--navy); border-color: var(--navy); color: var(--white); }

.band--navy .btn {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.band--navy .btn:hover { background: var(--white); border-color: var(--white); }

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

.colophon {
  background: var(--ink);
  color: #B9C1D6;
  padding-block: 3rem 2.25rem;
  font-size: 0.9375rem;
}

.colophon a { color: var(--gold-soft); }
.colophon a:hover { color: var(--white); }

.colophon__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule-dark);
}

.colophon h4 {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 0.85rem;
  font-weight: 400;
}

.colophon ul { margin: 0; padding: 0; list-style: none; }
.colophon li { margin-bottom: 0.5rem; }

.colophon__line {
  padding-top: 1.75rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: #8D97B4;
}