/* =========================================================
   Manifold Consult — Stylesheet
   Brand: navy (logo) + earth-tones (geological work)
   ========================================================= */

:root {
  /* primary palette — navy is the brand color (matches the 5-dot logo) */
  --ink:        #0d1117;
  --slate:      #131a23;
  --graphite:   #1f2a36;
  --navy:       #1a3a6e;
  --navy-deep:  #122749;
  --navy-soft:  #2a4d85;
  --bone:       #ebe6db;
  --paper:      #f5f2eb;
  --paper-warm: #ece6d8;

  /* earth-tone secondary palette — for geological visualization */
  --rust:       #b8542a;
  --rust-deep:  #8a3d1c;
  --ochre:      #d4a35a;
  --moss:       #5a6b3f;
  --ert-blue:   #2b5876;
  --ert-teal:   #4a8a9c;

  --ink-mute:   rgba(13,17,23,.62);
  --ink-soft:   rgba(13,17,23,.42);
  --line:       rgba(13,17,23,.12);
  --line-dark:  rgba(235,230,219,.16);
  --bone-mute:  rgba(235,230,219,.66);

  /* type */
  --f-display:  "Archivo", system-ui, sans-serif;
  --f-body:     "Inter Tight", system-ui, sans-serif;
  --f-mono:     "JetBrains Mono", ui-monospace, monospace;

  /* layout */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --maxw: 1280px;
  --radius-s: 4px;
  --radius-m: 8px;

  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
*::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: .001ms !important;
    transition-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bone);
  padding: .6rem 1rem; font-family: var(--f-display); font-weight: 600;
  z-index: 999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

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

/* =========================================================
   TOPBAR
   ========================================================= */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1rem var(--gutter);
  background: rgba(245,242,235,.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -.01em;
  font-size: 1.05rem;
  color: var(--ink);
}
.brand__mark {
  display: inline-grid; place-items: center;
  color: var(--navy);
  transition: color .25s var(--ease);
}
.brand:hover .brand__mark { color: var(--navy-soft); }
.brand__word { display: inline-flex; gap: .35em; align-items: baseline; }
.brand__sub {
  font-weight: 400;
  color: var(--ink-mute);
  font-size: .95em;
}

.nav {
  justify-self: center;
}
.nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 1.85rem;
}
.nav a {
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: .92rem;
  color: var(--ink);
  position: relative;
  padding: .35rem 0;
}
.nav a::after {
  content: ""; position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--navy);
  transition: right .25s var(--ease);
}
.nav a:hover::after { right: 0; }

.cta-pill {
  display: inline-flex; align-items: center;
  text-decoration: none;
  background: var(--navy); color: var(--bone);
  padding: .65rem 1.1rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .9rem;
  border-radius: 999px;
  transition: background .2s var(--ease);
}
.cta-pill:hover { background: var(--navy-deep); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0; cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 9px; right: 9px;
  height: 1.5px; background: var(--ink);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: sticky; top: 65px; z-index: 49;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.mobile-nav ul {
  list-style: none; margin: 0; padding: 1rem var(--gutter);
  display: grid; gap: .5rem;
}
.mobile-nav a {
  display: block;
  padding: .75rem .25rem;
  font-family: var(--f-display);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: stretch;
  padding: clamp(3rem, 7vw, 6rem) var(--gutter) clamp(4rem, 8vw, 7rem);
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}

.hero__copy { max-width: 32em; }

.eyebrow {
  font-family: var(--f-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .72rem;
  color: var(--ink-mute);
  display: inline-flex; align-items: center; gap: .55rem;
  margin: 0 0 1.5rem;
}
.eyebrow .dot {
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--navy);
  border-radius: 50%;
}
.eyebrow--light { color: var(--bone-mute); }
.eyebrow--light .dot { background: var(--ochre); }

.hero__title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  margin: 0 0 1.4rem;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
  font-family: "Archivo", serif;
  color: var(--navy);
}

.hero__lede {
  font-size: 1.05rem;
  color: var(--ink-mute);
  max-width: 30em;
  margin-bottom: 1.5rem;
}

.hero__pillars {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 2rem;
  display: flex; flex-wrap: wrap; gap: .35rem .5rem;
  align-items: center;
}
.hero__pillars span { color: var(--ink); font-weight: 500; }
.hero__pillars i { font-style: normal; color: var(--navy); }

.hero__actions {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .95rem;
  padding: .85rem 1.25rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn span { transition: transform .2s var(--ease); display: inline-block; }
.btn:hover span { transform: translateX(3px); }
.btn--primary { background: var(--navy); color: var(--bone); }
.btn--primary:hover { background: var(--navy-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bone); }
.btn--ink { background: var(--navy); color: var(--bone); }
.btn--ink:hover { background: var(--bone); color: var(--ink); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.25rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.hero__stats div { margin: 0; }
.hero__stats dt {
  font-family: var(--f-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .65rem;
  color: var(--ink-mute);
  margin-bottom: .25rem;
}
.hero__stats dd {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -.02em;
}
.hero__stats dd span {
  font-size: .9rem;
  color: var(--navy);
  margin-left: .1em;
}

/* ---- borehole signature ---- */
.borehole {
  position: relative;
  background: var(--graphite);
  color: var(--bone);
  border-radius: var(--radius-m);
  overflow: hidden;
  padding: 1.5rem 1.5rem 3.5rem 4.5rem;
  min-height: 560px;
  display: flex; flex-direction: column;
}

.borehole__rail {
  position: absolute;
  top: 1.5rem; bottom: 3.5rem;
  left: 0; width: 3.5rem;
  border-right: 1px dashed var(--line-dark);
}
.stratum__depth {
  position: absolute;
  top: 0; left: -4.5rem;
  width: 3.5rem;
  padding-right: .6rem;
  text-align: right;
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--bone-mute);
  white-space: nowrap;
  transform: translateY(-50%);
  z-index: 2;
}
.stratum__depth--end {
  top: auto; bottom: 0;
  transform: translateY(50%);
}
.stratum__depth::after {
  content: "";
  position: absolute;
  right: -1px; top: 50%;
  width: 6px; height: 1px;
  background: var(--bone-mute);
}

.borehole__strata {
  list-style: none; margin: 0; padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
/* flex proportions match original grid-template-rows: 14% 18% 20% 22% 26% */
.stratum--topsoil   { flex: 14 1 0; }
.stratum--colluvium { flex: 18 1 0; }
.stratum--weathered { flex: 20 1 0; }
.stratum--geophys   { flex: 22 1 0; }
.stratum--bedrock   { flex: 26 1 0; }

.stratum {
  position: relative;
  padding: .85rem 1rem;
  display: flex; flex-direction: column;
  justify-content: center;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-12px);
  animation: stratum-in .7s var(--ease) forwards;
  animation-delay: var(--delay);
  transition: flex-grow 0.38s var(--ease);
}
.stratum:hover { flex-grow: 60; }
@keyframes stratum-in {
  to { opacity: 1; transform: translateY(0); }
}

.stratum::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 0;
  opacity: .85;
}
.stratum > * { position: relative; z-index: 1; }

/* topsoil: warm brown grain */
.stratum--topsoil::before {
  background:
    repeating-linear-gradient(178deg, transparent 0 6px, rgba(212,163,90,.35) 6px 7px),
    linear-gradient(to bottom, #6e4a2c, #543820);
}
/* colluvium: ochre / mottled */
.stratum--colluvium::before {
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255,235,200,.18), transparent 40%),
    radial-gradient(ellipse at 70% 60%, rgba(255,235,200,.14), transparent 40%),
    linear-gradient(to bottom, #8a5a30, #6b4525);
}
/* weathered rock: ert-teal moisture wash */
.stratum--weathered::before {
  background:
    repeating-linear-gradient(2deg, transparent 0 14px, rgba(13,17,23,.18) 14px 15px),
    linear-gradient(to bottom, #4a8a9c, #2f5e6f);
}
/* geophys: deep ERT mid */
.stratum--geophys::before {
  background:
    linear-gradient(to right,
      var(--ert-blue) 0%,
      #3a6a82 25%,
      var(--rust-deep) 65%,
      var(--rust) 100%);
}
.stratum--geophys::after {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(178deg, transparent 0 8px, rgba(0,0,0,.08) 8px 9px);
  z-index: 0;
}
/* bedrock: dense graphite */
.stratum--bedrock::before {
  background:
    repeating-linear-gradient(95deg, transparent 0 12px, rgba(255,255,255,.04) 12px 13px),
    repeating-linear-gradient(-85deg, transparent 0 20px, rgba(0,0,0,.12) 20px 21px),
    linear-gradient(to bottom, #2a3645, #131a23);
}

.stratum__label {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(.95rem, 1.4vw, 1.2rem);
  letter-spacing: -.01em;
  color: var(--bone);
  text-shadow: 0 1px 2px rgba(0,0,0,.4);
}
.stratum__sub {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--bone);
  opacity: .82;
  text-shadow: 0 1px 2px rgba(0,0,0,.45);
  margin-top: .15rem;
}

.stratum__detail {
  list-style: none;
  margin: .55rem 0 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s var(--ease);
}
.stratum:hover .stratum__detail {
  max-height: 10rem;
}
.stratum__detail li {
  font-family: var(--f-mono);
  font-size: .63rem;
  letter-spacing: .03em;
  line-height: 1.5;
  color: var(--bone);
  opacity: .88;
  padding: .18rem 0 .18rem .9rem;
  position: relative;
  text-shadow: 0 1px 2px rgba(0,0,0,.45);
}
.stratum__detail li::before {
  content: "—";
  position: absolute;
  left: 0;
  opacity: .5;
}

.borehole__caption {
  position: absolute;
  bottom: 1rem; left: 4.5rem; right: 1.5rem;
  margin: 0;
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--bone-mute);
}

/* =========================================================
   TRUST STRIP
   ========================================================= */
.strip {
  background: var(--graphite);
  color: var(--bone);
  padding: 3.5rem var(--gutter);
  position: relative;
  overflow: hidden;
}
.strip::before {
  /* contour-line texture */
  content: "";
  position: absolute; inset: 0;
  opacity: .07;
  background-image:
    radial-gradient(ellipse 600px 200px at 20% 50%, transparent 38%, var(--bone) 38.5%, transparent 39%),
    radial-gradient(ellipse 700px 240px at 30% 55%, transparent 42%, var(--bone) 42.5%, transparent 43%),
    radial-gradient(ellipse 800px 280px at 40% 60%, transparent 46%, var(--bone) 46.5%, transparent 47%),
    radial-gradient(ellipse 900px 320px at 50% 65%, transparent 50%, var(--bone) 50.5%, transparent 51%);
}
.strip__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}
.strip__lead {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  max-width: 16em;
  margin: 0;
}
.strip__facts {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
}
.strip__facts li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: baseline;
  border-top: 1px solid var(--line-dark);
  padding-top: 1rem;
  font-size: .95rem;
  color: var(--bone-mute);
}
.strip__facts li span {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--ochre);
  letter-spacing: -.02em;
}

/* =========================================================
   SECTION HEADER
   ========================================================= */
.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3rem);
}
.section-head h2 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.025em;
  margin: 0 0 1rem;
  max-width: 18ch;
}
.section-lede {
  font-size: 1.08rem;
  color: var(--ink-mute);
  max-width: 36em;
}
.section-head--light h2 { color: var(--bone); }
.section-lede--light { color: var(--bone-mute); }

/* =========================================================
   SERVICES
   ========================================================= */
.services {
  padding-bottom: clamp(4rem, 7vw, 7rem);
}

.svc-grid {
  list-style: none; margin: 0;
  padding: 0 var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.svc {
  position: relative;
  padding: 2rem 1.75rem 2.25rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background .25s var(--ease);
}
.svc:hover { background: var(--paper-warm); }

.svc__swatch {
  width: 100%; height: 8px;
  margin-bottom: 1.25rem;
  border-radius: 1px;
}
.svc__swatch--01 {
  /* Geophysics: ERT survey gradient */
  background: linear-gradient(to right,
    var(--ert-blue) 0%, var(--ert-teal) 30%,
    var(--ochre) 60%, var(--rust) 100%);
}
.svc__swatch--02 {
  /* Engineering Design: structural blues */
  background: linear-gradient(to right, var(--navy-deep), var(--navy), var(--navy-soft));
}
.svc__swatch--03 {
  /* Geology: lithology stack */
  background: linear-gradient(to right, var(--ert-teal), var(--moss), var(--ochre));
}
.svc__swatch--04 {
  /* Geotechnical: layered earth */
  background: linear-gradient(to right, var(--moss), var(--ochre), var(--rust));
}
.svc__swatch--05 {
  /* Environment: forest / water */
  background: linear-gradient(to right, var(--ert-teal), #6b8a7f, var(--moss));
}

/* 5-dot indicator — brand mark with one dot highlighted */
.svc__indicator {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 24px; height: 24px;
  display: block;
  color: var(--line);
}
.svc__indicator svg { width: 100%; height: 100%; }
.svc__indicator circle { fill: var(--ink-soft); opacity: .22; }
.svc__indicator circle.on { fill: var(--navy); opacity: 1; }

.svc__no {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 .85rem;
}
.svc h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .85rem;
}
.svc p { color: var(--ink-mute); font-size: .96rem; }
.svc p strong { color: var(--ink); font-weight: 600; }
.svc__list {
  list-style: none; padding: 0; margin: 1rem 0 0;
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--ink);
}
.svc__list li {
  padding: .4rem 0;
  border-top: 1px dashed var(--line);
}
.svc--cta {
  background: var(--navy);
  color: var(--bone);
  justify-content: space-between;
  gap: 1.5rem;
}
.svc--cta:hover { background: var(--navy-deep); }
.svc--cta .svc__no { color: var(--bone-mute); }
.svc--cta p { color: var(--bone-mute); }
.svc--cta h3 { color: var(--bone); }

/* =========================================================
   SECTORS (dark)
   ========================================================= */
.sectors {
  background: var(--graphite);
  color: var(--bone);
  padding-bottom: clamp(4rem, 7vw, 7rem);
  position: relative;
  overflow: hidden;
}
.sectors::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(26,58,110,.18), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(43,88,118,.15), transparent 50%);
  pointer-events: none;
}
.sec-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
  position: relative;
}
.sec {
  padding: 2.25rem 1.5rem;
  border-bottom: 1px solid var(--line-dark);
  border-right: 1px solid var(--line-dark);
}
.sec:nth-child(3n) { border-right: none; }
.sec:nth-child(1) { padding-left: 0; }
.sec:nth-child(3n+1) { padding-left: 0; }
.sec:nth-last-child(-n+3):not(:nth-child(3n+1)):not(:nth-child(3n+2)) { border-bottom: none; }

.sec__id {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ochre);
  margin: 0 0 .75rem;
}
.sec h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.1vw, 1.75rem);
  letter-spacing: -.015em;
  margin: 0 0 .75rem;
  line-height: 1.1;
}
.sec p { color: var(--bone-mute); font-size: .95rem; }

/* =========================================================
   CAPABILITY (light)
   ========================================================= */
.capability {
  background: var(--paper);
  padding-bottom: clamp(4rem, 7vw, 7rem);
}
.cap-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.cap {
  padding: 1.75rem 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background .25s var(--ease);
  background: var(--paper);
}
.cap:hover { background: var(--paper-warm); }
.cap__cat {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 .85rem;
}
.cap h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.3rem;
  margin: 0 0 .5rem;
  letter-spacing: -.01em;
}
.cap__spec {
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--ink-mute);
  margin: 0 0 .75rem;
}
.cap__spec strong { color: var(--navy); font-weight: 500; }
.cap p { color: var(--ink-mute); font-size: .92rem; }
.cap p strong { color: var(--ink); font-weight: 600; }
.cap--lab, .cap--soft {
  grid-column: span 2;
  background: var(--graphite);
  color: var(--bone);
}
.cap--lab .cap__cat, .cap--soft .cap__cat { color: var(--ochre); }
.cap--lab h3, .cap--soft h3 { color: var(--bone); }
.cap--lab p, .cap--soft p { color: var(--bone-mute); }
.cap--lab p strong, .cap--soft p strong { color: var(--bone); }
.cap--lab:hover, .cap--soft:hover { background: var(--slate); }

/* =========================================================
   WORK
   ========================================================= */
.work {
  padding-bottom: clamp(4rem, 7vw, 7rem);
  background: var(--paper);
}

.proj-list {
  list-style: none; margin: 0;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.proj {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  gap: 2rem;
  align-items: start;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  transition: padding .2s var(--ease);
}
.proj:last-child { border-bottom: 1px solid var(--line); }
.proj:hover { padding-left: 1rem; padding-right: 1rem; background: var(--paper-warm); }

.proj__no {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--navy);
  margin: 0;
  letter-spacing: -.02em;
}
.proj__body h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 .35rem;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.proj__meta {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: .65rem;
}
.proj__body p:last-child { color: var(--ink-mute); font-size: .95rem; }

.proj__tags {
  display: flex; gap: .4rem; flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 12rem;
}
.proj__tags span {
  font-family: var(--f-mono);
  font-size: .66rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem .55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink-mute);
  white-space: nowrap;
}

.work__more {
  max-width: var(--maxw);
  margin: 2rem auto 0;
  padding: 0 var(--gutter);
  font-family: var(--f-mono);
  font-size: .82rem;
  color: var(--ink-mute);
}

/* =========================================================
   FIRM / PRINCIPLES
   ========================================================= */
.firm {
  background: var(--graphite);
  color: var(--bone);
  padding: clamp(4rem, 7vw, 6rem) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: clamp(2rem, 5vw, 5rem);
  box-shadow: 0 0 0 100vmax var(--graphite);
  clip-path: inset(0 -100vmax);
  position: relative;
}
.firm__map {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.firm__map svg { width: 100%; height: 100%; display: block; }
.firm__col,
.principles {
  position: relative;
  z-index: 1;
}
.firm__map-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: .10;
  pointer-events: none;
}
.nepal-district {
  fill: rgba(235,230,219,.05);
  stroke: rgba(235,230,219,.10);
  stroke-width: .6;
  transition: fill .9s ease, stroke .9s ease;
}
.nepal-district.is-lit {
  fill: rgba(74,197,118,.30);
  stroke: rgba(90,210,130,.55);
}
.firm__col {
  background: rgba(26,58,110,.60);
  border-radius: 6px;
  padding: 2rem 2.25rem;
}
.firm .principles {
  background: rgba(26,58,110,.55);
  border-radius: 6px;
  padding: 1.5rem 1.75rem;
}
.firm__col h2 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2rem, 3.6vw, 3rem);
  letter-spacing: -.025em;
  line-height: 1;
  color: var(--bone);
  margin: 0 0 1.25rem;
  max-width: 14ch;
}
.firm__col p { color: var(--bone-mute); }

.principles {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
}
.principles li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-dark);
}
.principle__no {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ochre);
  margin: 0 0 .5rem;
}
.principles h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 .5rem;
  color: var(--bone);
  letter-spacing: -.01em;
}
.principles p { color: var(--bone-mute); font-size: .95rem; }

/* =========================================================
   PEOPLE
   ========================================================= */
.people {
  padding-bottom: clamp(4rem, 7vw, 7rem);
}
.people__tier {
  margin-top: 2.5rem;
}
.people__tier-label {
  display: block;
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0 var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto 1.25rem;
}
.people-grid {
  list-style: none; margin: 0;
  padding: 0 var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.people-grid--board { grid-template-columns: repeat(5, 1fr); }
.people-grid--tech  { grid-template-columns: repeat(4, 1fr); }
.person {
  padding: 1.75rem 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background .25s var(--ease);
}
.person:hover { background: var(--paper-warm); }
.person__role {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 .65rem;
}
.person h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 .35rem;
  letter-spacing: -.01em;
}
.person__qual {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  margin: 0 0 .75rem;
}
.person p:last-child {
  color: var(--ink-mute);
  font-size: .9rem;
  line-height: 1.45;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  padding: clamp(4rem, 7vw, 7rem) var(--gutter);
  background: var(--paper);
}
.contact__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.contact__lead h2 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1;
  letter-spacing: -.025em;
  margin: 0 0 1rem;
  max-width: 14ch;
}
.contact__lead > p { color: var(--ink-mute); max-width: 32em; }

.contact__channels {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
}
.contact__label {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: .35rem;
}
.contact__channels p { font-size: .94rem; }
.contact__channels a { text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.contact__channels a:hover { color: var(--navy); border-bottom-color: var(--navy); }
.email { font-family: var(--f-mono); font-size: .85rem; }

/* form */
.contact__form {
  background: var(--graphite);
  color: var(--bone);
  padding: 2rem;
  border-radius: var(--radius-m);
  display: grid; gap: 1rem;
}
.form__intro {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ochre);
  margin: 0 0 .5rem;
}
.field { display: grid; gap: .4rem; }
.field > span {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bone-mute);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: .75rem .85rem;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  color: var(--bone);
  font: inherit;
  font-size: .95rem;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ochre);
  background: rgba(255,255,255,.03);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--bone-mute) 50%), linear-gradient(135deg, var(--bone-mute) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 2.5rem; }
.field option { background: var(--graphite); color: var(--bone); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hp { position: absolute; left: -9999px; height: 0; width: 0; overflow: hidden; }
.contact__form button { justify-self: start; margin-top: .5rem; }
.form__notice {
  font-family: var(--f-mono);
  font-size: .8rem;
  margin: 0;
  min-height: 1.2em;
  color: var(--ochre);
}
.form__notice.is-error { color: #e08866; }
.form__notice.is-success { color: var(--ochre); }
.form__fine {
  font-size: .78rem;
  color: var(--bone-mute);
  margin: 0;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--graphite);
  color: var(--bone);
  padding: 3rem var(--gutter) 1.5rem;
}
.footer__top {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line-dark);
}
.brand--light { color: var(--bone); }
.brand--light .brand__mark { color: var(--ochre); }
.brand--light .brand__sub { color: var(--bone-mute); }

.footer__top nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 1.5rem; justify-content: center;
  flex-wrap: wrap;
}
.footer__top nav a {
  text-decoration: none;
  font-family: var(--f-display);
  font-size: .9rem;
  color: var(--bone-mute);
}
.footer__top nav a:hover { color: var(--bone); }

.footer__social { list-style: none; margin: 0; padding: 0; display: flex; gap: 1rem; }
.footer__social a {
  text-decoration: none;
  font-family: var(--f-mono);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--bone-mute);
}
.footer__social a:hover { color: var(--ochre); }

.footer__strata {
  max-width: var(--maxw);
  margin: 2rem auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  gap: 2px;
  height: 8px;
}
.footer__strata span:nth-child(1) { background: #6e4a2c; }
.footer__strata span:nth-child(2) { background: var(--ochre); }
.footer__strata span:nth-child(3) { background: var(--ert-teal); }
.footer__strata span:nth-child(4) { background: var(--navy); }
.footer__strata span:nth-child(5) { background: var(--graphite); }

.footer__base {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--bone-mute);
}
.footer__base p { margin: 0; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cap--lab, .cap--soft { grid-column: span 2; }
  .people-grid { grid-template-columns: repeat(3, 1fr); }
  .people-grid--board { grid-template-columns: repeat(3, 1fr); }
  .people-grid--tech  { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(4, 1fr); gap: 1rem; }
  .borehole { min-height: 420px; }
  .strip__inner { grid-template-columns: 1fr; gap: 2rem; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .sec { border-right: 1px solid var(--line-dark); padding-left: 1.5rem !important; }
  .sec:nth-child(3n) { border-right: 1px solid var(--line-dark); }
  .sec:nth-child(2n) { border-right: none; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .people-grid--board { grid-template-columns: repeat(2, 1fr); }
  .people-grid--tech  { grid-template-columns: repeat(2, 1fr); }

  .firm { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .topbar { grid-template-columns: 1fr auto; gap: 1rem; }
  .nav, .cta-pill { display: none; }
  .nav-toggle { display: inline-block; }

  .hero { padding-top: 2rem; padding-bottom: 3rem; }
  .hero__title { font-size: clamp(1.7rem, 7vw, 2.6rem); }
  .hero__stats { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .hero__stats dd { font-size: 1.2rem; }
  .hero__pillars { font-size: .65rem; }

  .strip__facts { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr; }
  .sec { padding-left: 0 !important; padding-right: 0; border-right: none !important; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap--lab, .cap--soft { grid-column: span 1; }
  .people-grid { grid-template-columns: 1fr; }
  .people-grid--board { grid-template-columns: 1fr; }
  .people-grid--tech  { grid-template-columns: 1fr; }

  .proj { grid-template-columns: auto 1fr; }
  .proj__tags { grid-column: 1 / -1; justify-content: flex-start; max-width: none; }

  .principles { grid-template-columns: 1fr; }
  .contact__channels { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact__form { padding: 1.5rem; }

  .footer__top { grid-template-columns: 1fr; text-align: center; }
  .footer__top nav ul { justify-content: center; }
  .footer__social { justify-content: center; }
  .footer__base { flex-direction: column; }
}

@media (max-width: 480px) {
  .borehole { padding-left: 3.5rem; padding-right: 1rem; min-height: 380px; }
  .borehole__rail { width: 3rem; }
  .borehole__caption { left: 3.5rem; }
  .stratum__label { font-size: 1rem; }
  .svc__indicator { width: 20px; height: 20px; top: 1rem; right: 1rem; }
}

/* =========================================================
   CAREERS PAGE
   ========================================================= */

.careers-hero {
  padding: clamp(5rem, 10vw, 9rem) var(--gutter) clamp(4rem, 8vw, 7rem);
  background: var(--paper);
}
.careers-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.careers-hero h1 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--ink);
  margin: .75rem 0 1.5rem;
  max-width: 22ch;
}
.careers-hero__lede {
  font-family: var(--f-body);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.65;
  color: var(--ink-mute);
  max-width: 54ch;
  margin: 0 0 2.5rem;
}

/* ---- who we hire ---- */
.careers-roles {
  padding: clamp(4rem, 7vw, 7rem) var(--gutter);
  background: var(--graphite);
}
.careers-roles__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.roles-grid {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}
.role {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  flex-direction: column;
}
.role__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bone);
  letter-spacing: -.01em;
  margin: 0 0 .35rem;
}
.role__qual {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ochre);
  margin: 0 0 .9rem;
}
.role ul {
  list-style: none;
  margin: 0; padding: 0;
}
.role ul li {
  font-family: var(--f-body);
  font-size: .88rem;
  line-height: 1.55;
  color: var(--bone-mute);
  padding: .2rem 0 .2rem 1rem;
  position: relative;
}
.role ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  opacity: .4;
  font-family: var(--f-mono);
}

/* ---- what to expect: reuse .principles with light-bg variant ---- */
.careers-life {
  padding: clamp(4rem, 7vw, 7rem) var(--gutter);
  background: var(--paper);
}
.careers-life__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.principles--light li { border-top-color: var(--line); }
.principles--light h3 { color: var(--ink); }
.principles--light p  { color: var(--ink-mute); }
.principles--light .principle__no { color: var(--navy); }

/* ---- apply ---- */
.careers-apply {
  padding: clamp(4rem, 7vw, 7rem) var(--gutter);
  background: var(--graphite);
}
.careers-apply__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.careers-apply__contact {
  margin-top: 2.5rem;
  display: inline-block;
  padding: 1.75rem 2rem;
  background: var(--graphite);
  border-radius: var(--radius-m);
}
.careers-apply__label {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bone-mute);
  margin: 0 0 .5rem;
}
.careers-apply__addr {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--bone);
  margin: 0 0 .6rem;
}
.careers-apply__addr a { color: inherit; }
.careers-apply__note {
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--bone-mute);
  margin: 0;
}
.careers-apply__note code { color: var(--ochre); font-family: var(--f-mono); }

@media (max-width: 980px) {
  .careers-life__inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .roles-grid { grid-template-columns: 1fr; }
}