/* ==========================================================================
   Omeya design system
   Palette: slate navy monochrome on warm paper, matched to the mark. One family of colour, by design.
   Type: Libre Caslon Text (display) + Public Sans (body).
   Signature: the strata mark, four layers, cost / value / finance / risk.
   ========================================================================== */

:root {
  --paper: #FBFBF8;
  --ink: #141922;
  --slate-900: #293546;
  --slate-700: #465974;
  --slate-500: #5D7191;
  --slate-300: #AFBCCB;
  --wash: #EEF1F6;
  --max: 1080px;
  --measure: 66ch;
  --serif: "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", -apple-system, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

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

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--slate-900); color: var(--paper);
  padding: .6rem 1rem; z-index: 99;
}
.skip:focus { left: 0; }

a { color: var(--slate-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--slate-900); }
:focus-visible { outline: 2px solid var(--slate-500); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

/* ------------------------------------------------------------------ header */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--wash);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 4.25rem; gap: 1rem;
}
.brand {
  font-family: var(--sans); font-weight: 600; font-size: 1.15rem;
  letter-spacing: .18em; text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: center; gap: .6rem;
}
.brand svg, .brand img { display: block; }
.nav-toggle { display: none; }
.nav-label { display: none; cursor: pointer; padding: .5rem; }
.nav-label span, .nav-label span::before, .nav-label span::after {
  display: block; width: 22px; height: 2px; background: var(--ink);
  position: relative; content: ""; transition: transform .2s ease;
}
.nav-label span::before { position: absolute; top: -7px; }
.nav-label span::after { position: absolute; top: 7px; }
nav.site-nav ul { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; }
nav.site-nav a {
  text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem;
  padding: .35rem 0; border-bottom: 2px solid transparent;
}
nav.site-nav a:hover { border-bottom-color: var(--slate-300); }
nav.site-nav a[aria-current="page"] { border-bottom-color: var(--slate-700); color: var(--slate-900); }

@media (max-width: 780px) {
  .nav-label { display: block; }
  nav.site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--slate-300);
    display: none; padding: .5rem 1.25rem 1rem;
  }
  nav.site-nav ul { flex-direction: column; gap: .2rem; }
  nav.site-nav a { display: block; padding: .6rem 0; font-size: 1.05rem; }
  .nav-toggle:checked ~ nav.site-nav { display: block; }
}

/* -------------------------------------------------------------- draft note */
.draft-note {
  background: var(--wash); border-bottom: 1px dashed var(--slate-300);
  font-size: .85rem; color: var(--slate-900);
}
.draft-note .wrap { padding-top: .45rem; padding-bottom: .45rem; }

/* ------------------------------------------------------------------- type */
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); font-weight: 700; margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); font-weight: 700; margin: 0 0 .9rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin: 0 0 .5rem; }
p, ul, ol { max-width: var(--measure); }
.lede { font-size: 1.2rem; line-height: 1.6; }

/* Eyebrow with the dimension tick, the quiet second motif */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--slate-500); margin: 0 0 .8rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 8px;
  border-left: 1px solid var(--slate-500);
  border-right: 1px solid var(--slate-500);
  background: linear-gradient(var(--slate-500), var(--slate-500)) center / 100% 1px no-repeat;
}

/* --------------------------------------------------------------- sections */
section { padding: 3.4rem 0; }
section.tint { background: var(--wash); }
.section-head { margin-bottom: 1.6rem; }

/* ------------------------------------------------------------------- hero */
.hero { padding: 4.2rem 0 3.6rem; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 3rem; align-items: center; }
.hero p.sub { font-size: 1.18rem; color: var(--ink); }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 2.2rem; }
}

/* The strata mark */
.strata { width: 100%; max-width: 360px; margin-inline: auto; display: block; }
.strata .band { transform-origin: left center; }
@media (prefers-reduced-motion: no-preference) {
  .strata .band { transform: scaleX(0); animation: draw .7s cubic-bezier(.2,.7,.2,1) forwards; }
  .strata .band:nth-child(1) { animation-delay: .05s; }
  .strata .band:nth-child(2) { animation-delay: .18s; }
  .strata .band:nth-child(3) { animation-delay: .31s; }
  .strata .band:nth-child(4) { animation-delay: .44s; }
  .strata text { opacity: 0; animation: appear .5s ease .75s forwards; }
}
@keyframes draw { to { transform: scaleX(1); } }
@keyframes appear { to { opacity: 1; } }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-block; background: var(--slate-700); color: var(--paper);
  font-weight: 600; text-decoration: none; padding: .78rem 1.5rem;
  border-radius: 6px; border: 1px solid var(--slate-700);
}
.btn:hover { background: var(--slate-900); border-color: var(--slate-900); color: var(--paper); }
.btn.ghost { background: transparent; color: var(--slate-900); }
.btn.ghost:hover { background: var(--wash); }

/* ------------------------------------------------------------------ cards */
.grid { display: grid; gap: 1.1rem; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 940px) { .grid.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 700px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--paper); border: 1px solid var(--slate-300);
  border-radius: 6px; padding: 1.35rem 1.35rem 1.25rem;
}
section.tint .card { background: var(--paper); }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--slate-900); text-decoration: underline; text-decoration-color: var(--slate-300); }
.card .tag {
  display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--slate-500); margin-bottom: .5rem;
}
.card p { margin: 0; font-size: .98rem; }

/* pillar bullet: tiny strata glyph */
.card.pillar { border-top: 4px solid var(--slate-700); }
.card.pillar:nth-child(2) { border-top-color: var(--slate-500); }
.card.pillar:nth-child(3) { border-top-color: var(--slate-300); }
.card.pillar:nth-child(4) { border-top-color: var(--slate-900); }

/* --------------------------------------------------------------- features */
.feature { padding: 1.1rem 0; border-top: 1px solid var(--slate-300); max-width: var(--measure); }
.feature:last-child { border-bottom: 1px solid var(--slate-300); }
.feature h3 { margin-bottom: .3rem; }
.feature p { margin: 0; }

/* ---------------------------------------------------------------- service */
.service-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.service-list li { padding: .45rem 0 .45rem 1.4rem; position: relative; }
.service-list li::before {
  content: ""; position: absolute; left: 0; top: .95em; width: 14px; height: 6px;
  background:
    linear-gradient(var(--slate-700), var(--slate-700)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--slate-300), var(--slate-300)) 0 4px / 100% 2px no-repeat;
}

.subblock {
  margin-top: 1.6rem; padding: 1.4rem 1.5rem;
  background: var(--wash); border-left: 4px solid var(--slate-700); border-radius: 0 6px 6px 0;
}
.subblock p { margin-bottom: 0; }

/* -------------------------------------------------------------------- faq */
.faq { max-width: var(--measure); }
.faq details { border-top: 1px solid var(--slate-300); }
.faq details:last-child { border-bottom: 1px solid var(--slate-300); }
.faq summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between;
  align-items: center; gap: 1rem; padding: .9rem 0; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--serif); font-size: 1.3rem; color: var(--slate-500); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 1rem; }

/* ------------------------------------------------------------------ table of numbers, tokens */
.tk {
  display: inline-block; border: 1px dashed var(--slate-500); border-radius: 4px;
  padding: 0 .4rem; color: var(--slate-900); background: var(--wash);
  font-size: .92em; font-style: normal;
}

/* ----------------------------------------------------------------- footer */
.site-foot { background: var(--slate-900); color: var(--paper); margin-top: 3rem; }
.site-foot .wrap { padding: 2.6rem 1.25rem 2.2rem; }
.site-foot p { color: var(--wash); }
.site-foot a { color: var(--paper); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
@media (max-width: 780px) { .foot-grid { grid-template-columns: 1fr; } }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { padding: .2rem 0; }
.foot-line { border-top: 1px solid var(--slate-700); margin-top: 1.8rem; padding-top: 1rem; font-size: .85rem; color: var(--slate-300); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }

/* ------------------------------------------------------------- page intro */
.page-intro { padding: 3.2rem 0 1rem; }
.crumbs { font-size: .82rem; color: var(--slate-500); margin-bottom: 1.2rem; }
.crumbs a { color: var(--slate-500); }

/* contact */
.contact-lines { font-size: 1.15rem; line-height: 2.1; }
.contact-lines strong { font-family: var(--serif); }

/* ---------------------------------------------------------------- estimator */
.est-form { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 1rem; align-items: end; }
@media (max-width: 860px) { .est-form { grid-template-columns: 1fr; } }
.est-form label { display: block; font-weight: 600; font-size: .9rem; }
.est-form select, .est-form input {
  display: block; width: 100%; margin-top: .35rem; padding: .65rem .7rem;
  font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid var(--slate-300); border-radius: 6px;
}
.est-form button { height: 3.05rem; }
.est-form button:disabled { background: var(--slate-300); border-color: var(--slate-300); cursor: not-allowed; }
.est-result { margin-top: 1.4rem; padding: 1.3rem 1.5rem; background: var(--paper); border-left: 4px solid var(--slate-700); border-radius: 0 6px 6px 0; }
.est-result h3 { margin-top: 0; }
.est-note { font-size: .85rem; color: var(--slate-500); margin-top: 1.2rem; }
.est-cta { margin: .9rem 0 0; display: flex; gap: 1rem; align-items: center; }
.est-cta .btn { padding: .5rem 1rem; font-size: .9rem; }