/* ==========================================================================
   SHL Enterprises LLC — Corporate stylesheet
   Typography: Source Serif 4 (display) / IBM Plex Sans (text) / IBM Plex Mono (data)
   ========================================================================== */

:root {
  --paper:        #FBFAF9;
  --paper-alt:    #F3F1ED;
  --paper-deep:   #EBE8E2;
  --ink:          #1A1D23;
  --navy:         #16233A;
  --navy-soft:    #24344F;
  --muted:        #5A6373;
  --muted-light:  #838B99;
  --rule:         #E2DFD8;
  --rule-strong:  #CBC7BE;
  --accent:       #8C6E43;
  --accent-soft:  #A98C61;
  --on-navy:      #E8E5DF;
  --on-navy-mute: #9AA3B2;

  --maxw: 1180px;
  --gutter: 24px;

  --ff-display: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --ff-text: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* --------------------------------------------------------------- reset -- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--ff-text);
  font-size: 16.5px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--navy); color: #fff; }

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

/* -------------------------------------------------------------- layout -- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--narrow { max-width: 780px; }

.section { padding-block: 84px; }
.section--tight { padding-block: 60px; }
.section--alt { background: var(--paper-alt); }
.section--deep { background: var(--navy); color: var(--on-navy); }
.section--deep h2, .section--deep h3 { color: #fff; }

.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 12px 20px;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ----------------------------------------------------------- typography -- */

.eyebrow {
  font-family: var(--ff-text);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule-strong);
}
.eyebrow--plain::after { display: none; }
.section--deep .eyebrow { color: var(--accent-soft); }
.section--deep .eyebrow::after { background: rgba(255,255,255,.16); }

.display {
  font-size: clamp(2.35rem, 5.2vw, 4.05rem);
  letter-spacing: -0.022em;
  line-height: 1.06;
}

.h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); }
.h3 { font-size: clamp(1.2rem, 1.9vw, 1.45rem); letter-spacing: -0.005em; }

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
  line-height: 1.6;
  color: var(--muted);
  max-width: 62ch;
}
.section--deep .lede { color: var(--on-navy-mute); }

.prose { max-width: 68ch; }
.prose h2 { margin: 52px 0 16px; font-size: 1.72rem; }
.prose h3 { margin: 36px 0 12px; font-size: 1.16rem; font-family: var(--ff-text); font-weight: 600; letter-spacing: 0; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { margin: 0 0 1.15em; padding-left: 1.25em; }
.prose li { margin-bottom: .5em; }
.prose a { color: var(--navy); text-underline-offset: 3px; }

.small { font-size: 14px; color: var(--muted); }

/* --------------------------------------------------------------- links -- */

.link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--rule-strong);
  transition: border-color .18s ease, gap .18s ease;
}
.link:hover { border-color: var(--accent); gap: 14px; }
.link .arw { transition: transform .18s ease; }
.link:hover .arw { transform: translateX(2px); }
.section--deep .link { color: #fff; border-color: rgba(255,255,255,.28); }
.section--deep .link:hover { border-color: var(--accent-soft); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.015em;
  padding: 14px 26px;
  border: 1px solid var(--navy);
  transition: background .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--navy-soft); border-color: var(--navy-soft); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--rule-strong); }
.btn--ghost:hover { background: transparent; border-color: var(--navy); }
.section--deep .btn { background: #fff; color: var(--navy); border-color: #fff; }
.section--deep .btn:hover { background: var(--on-navy); border-color: var(--on-navy); }

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

.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251,250,249,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand svg { display: block; }
.brand-name {
  font-family: var(--ff-text);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--muted-light);
  margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--muted);
  text-decoration: none;
  padding-block: 4px;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule-strong);
  padding: 9px 12px;
  cursor: pointer;
  color: var(--navy);
}

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

.hero { padding-block: 96px 76px; border-bottom: 1px solid var(--rule); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.hero .display { margin-bottom: 28px; }
.hero .lede { max-width: 54ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

/* ------------------------------------------------------ corporate record -- */

.record {
  border-top: 2px solid var(--navy);
  padding-top: 22px;
}
.record-title {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 4px;
}
.record dl { margin: 0; }
.record-row {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}
.record-row dt {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
  text-transform: uppercase;
}
.record-row dd {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink);
  font-feature-settings: "tnum" 1;
}
.record-note {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted-light);
}

/* --------------------------------------------------------------- grids -- */

.grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.cell {
  padding: 34px 34px 34px 0;
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}
.grid-3 .cell:nth-child(3n) { border-right: 0; padding-right: 0; }
.grid-2 .cell:nth-child(2n) { border-right: 0; padding-right: 0; }
.cell:not(:first-child) { padding-left: 34px; }
.grid-3 .cell:nth-child(3n+1),
.grid-2 .cell:nth-child(2n+1) { padding-left: 0; }

.cell-num {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.cell h3 { margin-bottom: 12px; }
.cell p { font-size: 15px; color: var(--muted); margin-bottom: 0; }

.section--deep .grid,
.section--deep .cell { border-color: rgba(255,255,255,.14); }
.section--deep .cell p { color: var(--on-navy-mute); }

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

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 64px;
  align-items: start;
}
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ----------------------------------------------------------- item list -- */

.items { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.items li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
}
.items .idx {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--accent);
  padding-top: 4px;
  letter-spacing: 0.06em;
}
.items h3 { font-family: var(--ff-text); font-size: 15.5px; font-weight: 600; letter-spacing: 0; margin-bottom: 6px; }
.items p { font-size: 15px; color: var(--muted); margin: 0; }

.section--deep .items,
.section--deep .items li { border-color: rgba(255,255,255,.14); }
.section--deep .items p { color: var(--on-navy-mute); }

/* --------------------------------------------------------- stat strip -- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}
.stat { padding-right: 28px; border-right: 1px solid var(--rule); }
.stat:last-child { border-right: 0; }
.stat:not(:first-child) { padding-left: 28px; }
.stat-val {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.1;
  color: var(--navy);
  display: block;
  margin-bottom: 8px;
  font-feature-settings: "tnum" 1;
}
.stat-lab {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.section--deep .stat { border-color: rgba(255,255,255,.14); }
.section--deep .stat-val { color: #fff; }
.section--deep .stat-lab { color: var(--on-navy-mute); }

/* ------------------------------------------------------------ page head -- */

.page-head {
  padding-block: 74px 56px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-alt);
}
.page-head .display { font-size: clamp(2.05rem, 4.2vw, 3.15rem); margin-bottom: 22px; }

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

.contact-card {
  border-top: 2px solid var(--navy);
  padding-top: 24px;
}
.contact-card h3 {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 14px;
}
.contact-card address {
  font-style: normal;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.contact-card a { color: var(--navy); text-underline-offset: 3px; }

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

.site-foot {
  background: var(--navy);
  color: var(--on-navy-mute);
  padding-block: 62px 34px;
  font-size: 14px;
}
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.foot-brand .brand-name { color: #fff; }
.foot-brand p { font-size: 13.5px; line-height: 1.62; margin-top: 20px; max-width: 34ch; }
.foot-col h4 {
  font-family: var(--ff-text);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin-bottom: 10px; }
.foot-col a, .foot-col address {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--on-navy-mute);
  text-decoration: none;
  transition: color .16s ease;
}
.foot-col a:hover { color: #fff; }

.foot-legal {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-size: 12.5px;
  color: rgba(154,163,178,.85);
}
.foot-legal p { margin: 0; max-width: 74ch; }

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

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .split, .split--even { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 .cell:nth-child(3n) { border-right: 1px solid var(--rule); padding-right: 34px; }
  .grid-3 .cell:nth-child(2n) { border-right: 0; padding-right: 0; }
  .grid-3 .cell:nth-child(3n+1) { padding-left: 34px; }
  .grid-3 .cell:nth-child(2n+1) { padding-left: 0; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 0; }
  .stat:nth-child(2n) { border-right: 0; padding-right: 0; }
  .stat:nth-child(2n+1) { padding-left: 0; }
}

@media (max-width: 700px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  .section { padding-block: 60px; }
  .hero { padding-block: 62px 54px; }
  .page-head { padding-block: 52px 40px; }

  .nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 8px 20px 20px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 15px; }
  .nav a:last-child { border-bottom: 0; }
  .nav-toggle { display: block; }

  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-3 .cell, .grid-2 .cell {
    border-right: 0 !important;
    padding: 28px 0 !important;
  }
  .items li { grid-template-columns: 32px minmax(0, 1fr); gap: 14px; }
  .record-row { grid-template-columns: 1fr; gap: 5px; padding: 12px 0; }
  .foot-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

@media print {
  .site-head, .nav-toggle { position: static; }
  body { background: #fff; }
}

/* ------------------------------------------------------- statement block -- */

.statement {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: 92px;
}
.statement-lead {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3.1vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--navy);
  max-width: 24ch;
  margin: 0 0 30px;
}
.statement-body {
  max-width: 56ch;
  color: var(--muted);
  font-size: 16px;
}
.statement--deep { background: var(--navy); border-color: rgba(255,255,255,.14); }
.statement--deep .statement-lead { color: #fff; }
.statement--deep .statement-body { color: var(--on-navy-mute); }

/* --------------------------------------------------- operating standards -- */

.standards {
  width: 100%;
  border-collapse: collapse;
  border-top: 2px solid var(--navy);
}
.standards caption {
  caption-side: top;
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  padding-bottom: 14px;
}
.standards td {
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  font-size: 15px;
  line-height: 1.55;
}
.standards td:last-child { padding-right: 0; }
.standards .std-label { width: 34%; font-weight: 500; color: var(--ink); }
.standards .std-val {
  width: 20%;
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--accent);
  font-feature-settings: "tnum" 1;
  white-space: nowrap;
  padding-top: 18px;
}
.standards .std-note { color: var(--muted); font-size: 14.5px; }

/* ---------------------------------------------------------------- letter -- */

.letter { max-width: 64ch; }
.letter p {
  font-size: 17px;
  line-height: 1.72;
  margin-bottom: 1.35em;
}
.letter p:first-of-type { font-size: 18.5px; }
.letter em { color: var(--ink); }

.sign {
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid var(--rule);
}
.sign-name {
  font-family: var(--ff-display);
  font-size: 1.42rem;
  font-style: italic;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 10px;
}
.sign-role { font-size: 14px; color: var(--ink); font-weight: 500; margin: 0; }
.sign-meta {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted-light);
  margin: 14px 0 0;
}

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

.callout {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 24px;
  margin: 34px 0;
  max-width: 58ch;
}
.callout p { font-size: 15.5px; color: var(--muted); margin: 0; }

@media (max-width: 700px) {
  .statement { padding-block: 62px; }
  .standards td { display: block; width: auto !important; padding: 0 0 4px; border-bottom: 0; }
  .standards .std-label { padding-top: 18px; }
  .standards .std-val { padding-top: 2px; }
  .standards .std-note { padding-bottom: 18px; border-bottom: 1px solid var(--rule); }
  .letter p, .letter p:first-of-type { font-size: 16.5px; }
}
