/* ---------------------------------------------------------------
   Oltec Group Holding — house stylesheet
   OLTEC GROUP HOLDING LTD, company number 02643240
   Hybrid layout: the masthead and footer run the full width of
   the window; the content column is held to 1080px and sits unbordered
   on the page ground, which shows through either side of it.
   Indigo/navy with a brick accent. Written for this site only.
   --------------------------------------------------------------- */

:root {
  /* brand: indigo / navy */
  --navy:     #20225e;
  --navy-dk:  #171840;
  --navy-md:  #3a4180;
  --navy-lt:  #2b2e70;
  /* accent: muted brick */
  --brick:    #9c4630;
  --brick-hi: #a94e37;
  --brick-dk: #7d3524;
  /* page ground: very pale blue-grey */
  --ground:   #e5e9f2;
  --panel:    #f2f4f9;
  --white:    #ffffff;
  /* rules and text */
  --rule:     #c3cadd;
  --rule-lt:  #cfd6e6;
  --strap-tx: #ccd2e8;
  --ink:      #2b2f36;
  --ink-2:    #4a4f58;
  --slate:    #5d636f;
  /* type */
  --serif:    Georgia, "Times New Roman", Times, serif;
  --sans:     Arial, "Helvetica Neue", Helvetica, sans-serif;
  --ui:       Tahoma, Verdana, Geneva, sans-serif;
  --page:     1080px;
  --gut:      28px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0;
  background: #e5e9f2;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--navy);
  font-weight: bold;
  line-height: 1.25;
  margin: 0 0 .5em;
}
h1 { font-size: 25px; }
h2 { font-size: 18px; }
h3 { font-size: 14px; }
p  { margin: 0 0 .9em; }

a { color: var(--brick); }
a:hover { color: var(--brick-dk); }

:focus-visible { outline: 2px solid var(--brick); outline-offset: 1px; }

/* the masthead and the footer are bands: their colour runs
   the full width of the window while their contents line up with the
   content column. main is that column — 1080px, white, no outer box —
   and the blue-grey ground shows either side of it. */
.olt-mast,
.olt-foot { width: 100%; }

main {
  max-width: var(--page);
  margin: 0 auto;
  background: var(--white);
}

.olt-mast-in,
.olt-foot > .olt-wrap {
  max-width: var(--page);
  margin-left: auto;
  margin-right: auto;
}

.olt-wrap { padding: 0 var(--gut); }
/* prose pages: the measure is held to a readable width, but the section
   rules, tables and headed blocks run the full width of the column so the
   page still reads as a report page rather than a column of text */
.olt-narrow > * { max-width: 760px; }
.olt-narrow > h2,
.olt-narrow > .olt-tablewrap,
.olt-narrow > .olt-table,
.olt-narrow > .olt-sec-head,
.olt-narrow > .olt-credits { max-width: none; }

.olt-skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: var(--white); padding: 8px 14px; z-index: 200;
  font-family: var(--ui); font-size: 12px;
}
.olt-skip:focus { left: 0; }

/* ---------- masthead: wordmark left, navigation inline right ---------- */
/* the masthead now sits at the head of the page, so it carries a navy rule
   of its own at the top and keeps the band it used to sit under */
.olt-mast {
  border-top: 5px solid var(--navy-dk);
  border-bottom: 3px solid var(--navy);
  background: var(--white);
  background: linear-gradient(to bottom, var(--white) 0%, var(--white) 62%, var(--panel) 100%);
}
.olt-mast-in {
  padding: 0 var(--gut);
  display: table;
  width: 100%;
}
.olt-logo,
.olt-mast .olt-nav {
  display: table-cell;
  vertical-align: middle;
}
.olt-logo {
  text-decoration: none;
  white-space: nowrap;
  padding: 12px 0 11px;
  width: 1%;
}
.olt-logo svg { width: 34px; height: 34px; float: left; margin-right: 10px; }
.olt-logo-name {
  display: block;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--navy);
  letter-spacing: .04em;
  line-height: 1.05;
}
.olt-logo-sub {
  display: block;
  font-family: var(--ui);
  font-size: 10px;
  color: var(--slate);
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-top: 3px;
}

.olt-nav { text-align: right; }
.olt-nav ul { list-style: none; margin: 0; padding: 0; }
.olt-nav li { display: inline; }
.olt-nav a {
  display: inline-block;
  padding: 4px 9px;
  margin-left: 1px;
  font-family: var(--ui);
  font-size: 11.5px;
  font-weight: bold;
  color: var(--navy);
  text-decoration: none;
  border: 1px solid transparent;
}
.olt-nav a:hover {
  color: var(--brick-dk);
  border-color: var(--rule-lt);
  background: var(--panel);
}
.olt-nav a[aria-current="page"] {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.olt-navbtn {
  display: none;
  font-family: var(--ui); font-size: 11px; font-weight: bold;
  color: var(--white);
  background: var(--navy);
  border: 1px solid var(--navy-dk);
  border-radius: 2px;
  padding: 6px 12px;
  cursor: pointer;
}

@media (max-width: 800px) {
  .olt-mast-in { display: block; padding-bottom: 10px; }
  .olt-mast .olt-logo { display: block; width: auto; }
  .olt-logo { padding: 10px 0 8px; }
  .olt-navbtn { display: inline-block; margin-bottom: 8px; }
  .olt-mast .olt-nav { display: none; width: auto; text-align: left; }
  .olt-mast .olt-nav.is-open { display: block; }
  .olt-nav li { display: block; }
  .olt-nav a {
    display: block; margin: 0 0 -1px; padding: 8px 10px;
    border: 1px solid var(--rule-lt); background: var(--panel);
  }
}

/* ---------- opening block ---------- */
.olt-open { background: var(--white); }
.olt-open .olt-wrap { padding-top: 26px; padding-bottom: 26px; }
.olt-open-grid, .olt-open-split { overflow: hidden; }
.olt-open-grid > div:first-child,
.olt-open-split > div:first-child { float: left; width: 61%; padding-right: 28px; }
.olt-open-grid > div + div,
.olt-open-split > div + div { float: right; width: 39%; }
.olt-open-split > div:first-child { width: 46%; }
.olt-open-split > div + div { width: 54%; }
.olt-open-split > div > p:last-child { margin-bottom: 0; }

.olt-eyebrow {
  font-family: var(--ui);
  font-size: 10.5px;
  font-weight: bold;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brick);
  margin: 0 0 6px;
}
.olt-open h1 { margin-bottom: .4em; padding-bottom: .3em; border-bottom: 1px solid var(--rule-lt); }
.olt-lead { font-size: 14.5px; color: var(--ink-2); }

@media (max-width: 760px) {
  .olt-open-grid > div, .olt-open-split > div,
  .olt-open-grid > div:first-child, .olt-open-split > div:first-child,
  .olt-open-grid > div + div, .olt-open-split > div + div {
    float: none; width: auto; padding-right: 0;
  }
  .olt-open-grid > div + div, .olt-open-split > div + div { margin-top: 16px; }
}

/* ---------- boxed module ---------- */
.olt-card {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 0;
}
.olt-card h2 {
  font-family: var(--ui); font-size: 11px; font-weight: bold;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--white); background: var(--navy);
  margin: 0; padding: 7px 12px;
}
.olt-dl { margin: 0; padding: 10px 12px; font-size: 13px; }
.olt-dl dt {
  font-family: var(--ui); font-size: 10.5px; font-weight: bold;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 1px;
}
.olt-dl dd {
  margin: 0 0 8px; padding-bottom: 7px;
  border-bottom: 1px dotted var(--rule);
  color: var(--ink); line-height: 1.45;
}
.olt-dl dd:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }

/* ---------- photograph ---------- */
.olt-strip { margin: 0; padding: 0; background: var(--panel); border-bottom: 1px solid var(--rule); }
.olt-strip img { width: 100%; height: 190px; object-fit: cover; }
.olt-strip figcaption {
  font-family: var(--ui); font-size: 10.5px; color: var(--slate);
  padding: 6px var(--gut) 8px;
}
@media (max-width: 620px) { .olt-strip img { height: 140px; } }

/* ---------- sections ---------- */
.olt-sec { padding: 26px 0; }
.olt-sec + .olt-sec,
.olt-open + .olt-sec { border-top: 1px solid var(--rule); }
.olt-sec--pale { background: var(--panel); }
.olt-sec--white { background: var(--white); }

.olt-sec-head { margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--navy); }
.olt-sec-head h2 { margin-bottom: .3em; }
.olt-sec-head p { color: var(--ink-2); margin-bottom: 0; max-width: 720px; }

/* label / body rows */
.olt-row { overflow: hidden; }
.olt-row + .olt-row { margin-top: 14px; padding-top: 14px; border-top: 1px dotted var(--rule); }
.olt-row-label { float: left; width: 230px; margin-left: 0; }
.olt-row > div,
.olt-row > p:not(.olt-row-label) { margin-left: 262px; max-width: 700px; }
.olt-row-label {
  font-family: var(--serif); font-size: 15px; color: var(--navy); font-weight: bold;
}
.olt-row-label small {
  display: block; font-family: var(--ui); font-size: 10px; font-weight: bold;
  letter-spacing: .12em; text-transform: uppercase; color: var(--brick);
  margin-bottom: 3px;
}
.olt-row p:last-child { margin-bottom: 0; }
@media (max-width: 700px) {
  .olt-row-label { float: none; width: auto; margin-bottom: 5px; }
  .olt-row > div,
  .olt-row > p:not(.olt-row-label) { margin-left: 0; max-width: none; }
}

/* three columns */
.olt-cols { overflow: hidden; margin-right: -18px; }
.olt-cols > div {
  float: left; width: 33.33%; padding-right: 18px;
}
.olt-cols > div > h3 {
  border-top: 2px solid var(--brick); padding-top: 7px; margin-bottom: .35em;
}
.olt-cols p:last-child { margin-bottom: 0; }
@media (max-width: 700px) {
  .olt-cols { margin-right: 0; }
  .olt-cols > div { float: none; width: auto; padding-right: 0; margin-bottom: 14px; }
  .olt-cols > div:last-child { margin-bottom: 0; }
}

/* prose */
.olt-prose h2 { margin-top: 1.5em; padding-bottom: 4px; border-bottom: 1px solid var(--rule); }
.olt-prose h2:first-child { margin-top: 0; }
.olt-prose h3 { margin-top: 1.3em; color: var(--navy-md); }
.olt-prose ul, .olt-prose ol { margin: 0 0 .9em; padding-left: 20px; }
.olt-prose li { margin-bottom: .25em; }

/* numbered list */
.olt-steps { list-style: none; counter-reset: s; margin: 0; padding: 0; }
.olt-steps li {
  counter-increment: s; position: relative;
  padding: 0 0 12px 42px; margin-bottom: 12px;
  border-bottom: 1px dotted var(--rule);
}
.olt-steps li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.olt-steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  width: 28px; text-align: center;
  font-family: var(--ui); font-size: 12px; font-weight: bold;
  color: var(--white); background: var(--navy-md);
  padding: 2px 0;
}
.olt-steps h3 { margin-bottom: .2em; }
/* the list runs the full column width, but the prose inside it does not: a
   line of body copy 980px long is tiring to read */
.olt-steps p { margin-bottom: 0; max-width: 64ch; }

/* checklist */
.olt-check { list-style: none; margin: 0 0 .9em; padding: 0; }
.olt-check li { position: relative; padding-left: 16px; margin-bottom: .3em; }
.olt-check li::before {
  content: ""; position: absolute; left: 0; top: .6em;
  width: 8px; height: 2px; background: var(--brick);
}

/* notice box */
.olt-note {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--brick);
  background: var(--panel);
  padding: 10px 14px; font-size: 13px;
}
.olt-sec--pale .olt-note, .olt-open .olt-note { background: var(--white); }
.olt-note p:last-child { margin-bottom: 0; }
.olt-note--gap { margin-top: 16px; }

.olt-sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- navy panel ---------- */
.olt-band { background: var(--navy); color: var(--strap-tx); padding: 20px 0; }
.olt-band h2 { color: var(--white); }
.olt-band a { color: var(--white); }
.olt-band a:hover { color: var(--strap-tx); }
.olt-band h2 { border-bottom: 1px solid var(--navy-md); padding-bottom: 6px; }
.olt-band p:last-child { margin-bottom: 0; }

/* ---------- buttons ---------- */
.olt-btn {
  display: inline-block;
  padding: 6px 14px;
  font-family: var(--ui); font-size: 11.5px; font-weight: bold;
  letter-spacing: .06em;
  text-decoration: none;
  color: var(--white);
  background: var(--navy-lt);
  background: linear-gradient(to bottom, var(--navy-lt) 0%, var(--navy) 100%);
  border: 1px solid var(--navy-dk);
  border-radius: 2px;
  cursor: pointer;
  vertical-align: middle;
  margin: 0 4px 4px 0;
}
.olt-btn:hover {
  color: var(--white);
  background: var(--brick);
  background: linear-gradient(to bottom, var(--brick-hi) 0%, var(--brick-dk) 100%);
  border-color: var(--brick-dk);
}
.olt-btn--line {
  color: var(--navy);
  background: var(--panel);
  background: linear-gradient(to bottom, var(--white) 0%, var(--ground) 100%);
  border-color: var(--rule);
}
.olt-btn--line:hover { color: var(--brick-dk); background: var(--white); border-color: var(--brick); }
.olt-band .olt-btn { border-color: var(--navy-dk); }

/* ---------- contact / form ---------- */
.olt-contact-grid { overflow: hidden; }
.olt-contact-grid > div:first-child { float: left; width: 46%; padding-right: 28px; }
.olt-contact-grid > div + div { float: right; width: 54%; }
@media (max-width: 760px) {
  .olt-contact-grid > div:first-child, .olt-contact-grid > div + div {
    float: none; width: auto; padding-right: 0;
  }
  .olt-contact-grid > div + div { margin-top: 18px; }
}

.olt-field { margin-bottom: 12px; }
.olt-field label {
  display: block; font-family: var(--ui); font-size: 11px; font-weight: bold;
  color: var(--navy); margin-bottom: 3px;
}
.olt-field input, .olt-field select, .olt-field textarea {
  width: 100%; padding: 5px 7px;
  border: 1px solid var(--rule);
  border-top-color: #9aa4c2;
  background: var(--white);
  font-family: var(--sans); font-size: 13px; color: var(--ink);
  border-radius: 0;
}
.olt-field textarea { min-height: 110px; resize: vertical; }
.olt-field input:focus, .olt-field select:focus, .olt-field textarea:focus {
  outline: 2px solid var(--brick); outline-offset: 0; border-color: var(--brick);
}
.olt-field .olt-hint {
  display: block; font-family: var(--sans); font-size: 11.5px;
  color: var(--slate); margin-top: 3px; font-weight: normal;
}
.olt-req { color: var(--brick); }
.olt-formstate {
  border: 1px solid var(--rule); border-left: 4px solid var(--brick);
  background: var(--panel); padding: 10px 14px; margin-bottom: 14px; font-size: 13px;
}
.olt-formstate[hidden] { display: none; }

/* ---------- credits ---------- */
.olt-credits { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.olt-credits li { padding: 7px 0; border-bottom: 1px dotted var(--rule); }
.olt-credits li:last-child { border-bottom: 0; }
.olt-credits strong { color: var(--navy); }

/* ---------- table ---------- */
.olt-table { width: 100%; border-collapse: collapse; margin: 0 0 1em; font-size: 13px; }
.olt-table th, .olt-table td {
  text-align: left; padding: 6px 10px; border: 1px solid var(--rule); vertical-align: top;
}
.olt-table th {
  background: var(--navy); color: var(--white);
  font-family: var(--ui); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  border-color: var(--navy-dk);
}
.olt-table th[scope="row"] { width: 280px; }
.olt-table tbody tr:nth-child(even) td { background: var(--panel); }
.olt-tablewrap { overflow-x: auto; }

/* ---------- footer ---------- */
.olt-foot {
  background: var(--navy);
  color: var(--strap-tx);
  font-size: 12.5px;
  border-top: 3px solid var(--brick);
}
.olt-foot h2 {
  color: var(--white); font-family: var(--ui); font-size: 11px; font-weight: bold;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 8px; padding-bottom: 5px; border-bottom: 1px solid var(--navy-md);
}
.olt-foot a { color: var(--white); text-decoration: none; }
.olt-foot a:hover { text-decoration: underline; }
.olt-foot-grid { overflow: hidden; padding: 18px 0 14px; }
.olt-foot-grid > div { float: left; width: 25%; padding-right: 22px; }
.olt-foot-grid > div:first-child { width: 50%; }
.olt-foot ul { list-style: none; margin: 0; padding: 0; }
.olt-foot li { margin-bottom: 4px; padding-left: 9px; position: relative; }
.olt-foot li::before { content: "\00BB"; position: absolute; left: 0; color: var(--strap-tx); }
.olt-foot address { font-style: normal; line-height: 1.55; }
.olt-foot p { margin-bottom: .6em; }
/* the registration block: the one place the statutory particulars are set out,
   quietly, in the footer's own colours */
.olt-foot-reg { font-size: 11.5px; line-height: 1.5; margin-bottom: .9em; }
.olt-foot-lbl {
  font-family: var(--ui); font-size: 9.5px; font-weight: bold;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 2px;
}
.olt-foot-mail { margin-top: .6em; }
.olt-foot-base {
  clear: both;
  border-top: 1px solid var(--navy-md);
  padding: 10px 0 16px; font-size: 11.5px;
}
.olt-foot-base p { margin: 0 0 .25em; }
@media (max-width: 700px) {
  .olt-foot-grid > div, .olt-foot-grid > div:first-child {
    float: none; width: auto; padding-right: 0; margin-bottom: 14px;
  }
}

/* ---------- cookie notice ---------- */
.olt-cookie {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 300;
  background: var(--navy-dk);
  color: var(--strap-tx);
  border-top: 3px solid var(--brick);
  padding: 10px 24px;
  font-size: 12.5px;
}
.olt-cookie p { margin: 0 0 8px; max-width: 900px; }
.olt-cookie-actions { display: block; }
.olt-cookie .olt-btn { padding: 5px 12px; font-size: 11px; }
.olt-cookie[hidden] { display: none; }

/* ---------- 404 ---------- */
.olt-404 { padding: 26px 0; }

/* ---------- narrow screens ---------- */
@media (max-width: 700px) {
  .olt-table th[scope="row"] { width: auto; }
}
@media (max-width: 640px) {
  :root { --gut: 18px; }
}
@media (max-width: 400px) {
  :root { --gut: 14px; }
  .olt-cookie { padding-left: 14px; padding-right: 14px; }
  h1 { font-size: 21px; }
  .olt-logo-name { font-size: 18px; }
}
