/* Fluid Silicon — fluidsilicon.com */

:root {
  --paper: #000000;
  --ink: #ffffff;
  --ink-soft: #b8b2aa;
  --orange: #e8701f;
  --orange-bright: #ff8a3d;
  --hairline: #2a2a2a;
  --dark-line: #1e1c1a;
  --surface: #131211;
  --max: clamp(1160px, 88vw, 2100px);
  --gutter: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: "IBM Plex Sans", -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

.mono {
  font-family: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}

.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: flex; align-items: center; text-decoration: none; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-text {
  display: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.brand.no-logo .brand-logo { display: none; }
.brand.no-logo .brand-text { display: inline; }
.brand .dot { color: var(--orange); }

.nav-links { display: flex; gap: 34px; list-style: none; align-items: center; }
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-links a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--orange); }
.nav-links .nav-cta {
  border: 1px solid var(--ink);
  padding: 9px 18px;
  background: var(--ink);
  color: var(--paper);
}
.nav-links .nav-cta:hover { background: var(--orange); border-color: var(--orange); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink);
  padding: 6px 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 30px;
  border: 1px solid var(--orange);
  background: var(--orange);
  color: #ffffff;
  cursor: pointer;
}
.btn:hover { background: var(--orange-bright); border-color: var(--orange-bright); }
.btn.ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn.ghost:hover { color: var(--orange); background: transparent; border-color: var(--orange); }

/* ---------- Hero (dark) ---------- */

.hero {
  background: var(--surface) url("img/hero-pattern.svg") no-repeat center center;
  background-size: cover;
  color: var(--ink);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: center;
  padding: 110px 0 120px;
}
.hero .eyebrow { color: var(--orange-bright); display: block; margin-bottom: 24px; }
.hero h1 {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.hero p { margin-top: 26px; font-size: 21px; color: #c9c5c0; max-width: 44ch; }
.hero-actions { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; }

.hero-media { position: relative; }
#fabric { width: 100%; max-width: 380px; height: auto; display: block; margin-left: auto; }
.hero-video {
  width: 100%;
  display: block;
  border: 1px solid var(--dark-line);
}
.hero-photo {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--dark-line);
}

/* ---------- Sections ---------- */

section { padding: 96px 0; }
section + section { border-top: 1px solid var(--hairline); }
body.about-page section { padding: 40px 0; }
body.about-page section + section { border-top: none; }
body.about-page section:first-of-type { padding-top: 56px; }
body.about-page .section-head { margin-bottom: 0; }

.section-head { margin-bottom: 56px; }
.section-head .eyebrow { color: var(--orange); display: block; margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.015em;
}
.section-head p { margin-top: 14px; font-size: 19px; color: var(--ink-soft); max-width: 100%; }
.section-head p + p { margin-top: 18px; }

/* ---------- Solutions cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--ink);
  padding: 30px 26px 34px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-top-color: var(--orange); transform: translateY(-2px); }
.card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 16.5px; color: var(--ink-soft); }

/* ---------- Industries (dark band) ---------- */

.band {
  background: var(--surface) url("img/band-photo.jpg") no-repeat center center;
  background-size: cover;
  color: var(--ink);
  padding: 96px 0;
}
.band .section-head .eyebrow { color: var(--orange-bright); }
.band .section-head p { color: #c9c5c0; }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--dark-line);
  border-left: 1px solid var(--dark-line);
}
.industry {
  border-right: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  padding: 34px 26px 40px;
  text-decoration: none;
  display: block;
  transition: background 0.15s ease;
}
.industry:hover { background: #1a1a1a; }
.industry .mono { color: var(--orange-bright); display: block; margin-bottom: 14px; }
.industry h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.industry p { font-size: 16px; color: #c9c5c0; }

/* ---------- Recognition ---------- */

.logo-row { display: flex; gap: 56px; flex-wrap: wrap; align-items: flex-start; }
.logo-row figure { max-width: 420px; }
.logo-row img { width: 100%; height: auto; display: block; border: 1px solid var(--hairline); }
.logo-row figcaption { margin-top: 12px; color: var(--ink-soft); font-size: 15.5px; white-space: nowrap; }

/* ---------- CTA band ---------- */

.cta-band { border-top: 1px solid var(--hairline); padding: 96px 0; text-align: left; }
.cta-band h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 500; letter-spacing: -0.015em; }
.cta-band .hero-actions { margin-top: 32px; }

/* ---------- Rows (segments page) ---------- */

.rows { border-top: 1px solid var(--ink); }
.row {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--hairline);
}
.row .mono { color: var(--orange); display: block; margin-bottom: 8px; }
.row h3 { font-size: 22px; font-weight: 600; }
.row p { color: var(--ink-soft); font-size: 18px; align-self: start; }

/* ---------- Careers ---------- */

.job-row {
  display: grid;
  grid-template-columns: 1fr 220px 120px;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--hairline);
  text-decoration: none;
}
.job-row:hover .job-title { color: var(--orange); }
.job-title { font-size: 20px; font-weight: 600; }
.job-meta { font-family: "IBM Plex Mono", monospace; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }
.job-arrow { text-align: right; font-family: "IBM Plex Mono", monospace; font-size: 14px; }

/* ---------- Job detail ---------- */

.job-header {
  background: var(--surface) url("img/header-photo.jpg") no-repeat center center;
  background-size: cover;
  color: var(--ink);
  padding: 80px 0 64px;
}
.job-header .mono { color: var(--orange-bright); display: block; margin-bottom: 18px; }
.job-header h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 500; letter-spacing: -0.015em; }
.job-header .meta-line { margin-top: 16px; color: #c9c5c0; font-family: "IBM Plex Mono", monospace; font-size: 13px; }

.job-body { padding: 64px 0 104px; }
.founder-photo { margin-bottom: 48px; }
.founder-photo img { width: 100%; height: auto; display: block; border: 1px solid var(--hairline); }
.founder-photo figcaption { margin-top: 12px; color: var(--ink-soft); font-family: "IBM Plex Mono", monospace; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.advisor-row { display: flex; gap: 48px; flex-wrap: wrap; margin-bottom: 32px; justify-content: center; text-align: center; }
.advisor-row figure { width: 200px; }
.advisor-row img { width: 200px; height: 200px; object-fit: cover; display: block; border: 1px solid var(--hairline); }
.advisor-row figcaption { margin-top: 10px; font-size: 13px; line-height: 1.3; }
.advisor-row figcaption a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--hairline); text-underline-offset: 3px; }
.advisor-row figcaption a:hover { color: var(--orange); }
.job-body h2 { font-size: 21px; font-weight: 600; margin: 44px 0 16px; }
.stat-row { display: flex; gap: 40px; flex-wrap: wrap; }
.job-body h2:first-child { margin-top: 0; }
.job-body p { color: var(--ink-soft); margin-bottom: 14px; }
.job-body ul { list-style: none; }
.job-body li {
  color: var(--ink-soft);
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.job-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}
.job-apply { margin-top: 48px; }

/* ---------- Demo form ---------- */

.form-grid { max-width: 640px; }
.form-grid label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 30px 0 8px;
}
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 17px;
  padding: 13px 15px;
  border: 1px solid var(--hairline);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  outline: 2px solid var(--orange);
  outline-offset: -1px;
}
.form-grid button { margin-top: 36px; }
.form-note { margin-top: 20px; color: var(--ink-soft); font-size: 15px; }
.form-note.error { color: var(--orange); }
.sponsorship-details { display: none; }
.apply-confirmation { display: none; }
.apply-confirmation h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 500; margin-bottom: 12px; }
.apply-confirmation p { color: var(--ink-soft); font-size: 18px; margin-left: -2px; }

/* ---------- Footer ---------- */

footer { background: var(--paper); color: var(--ink); padding: 56px 0 64px; border-top: 1px solid var(--hairline); }
.footer-tagline { color: #8f8b86; font-size: 12px; margin-bottom: 24px; }
.li-link { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; background: #0A66C2; border-radius: 4px; margin-left: 8px; vertical-align: -4px; flex-shrink: 0; transition: background 0.15s ease; }
.li-link svg { display: block; fill: #ffffff; }
.li-link:hover { background: #004182; }
.scholar-link { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; background: #4a4642; border-radius: 4px; margin-left: 8px; vertical-align: -4px; flex-shrink: 0; transition: background 0.15s ease; }
.scholar-link svg { display: block; fill: #ffffff; }
.scholar-link:hover { background: var(--orange); }

/* Team grid (About page) */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 64px; }
.team-grid img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; border: 1px solid var(--hairline); }
.team-name { margin-top: 16px; font-size: 19px; font-weight: 600; }
.team-title { color: var(--ink-soft); font-size: 15px; margin-top: 4px; }
.team-icons { margin-top: 10px; }
@media (max-width: 700px) {
  .team-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Site search */
.search-toggle { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: none; border: none; cursor: pointer; color: var(--ink); }
.search-toggle:hover { color: var(--orange); }
.search-panel { display: none; background: var(--surface); border-bottom: 1px solid var(--dark-line); }
.search-panel.open { display: block; }
.search-panel .wrap { padding: 20px 24px; }
.search-input {
  width: 100%;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 17px;
  padding: 12px 15px;
  border: 1px solid var(--dark-line);
  background: #1a1a1a;
  color: var(--ink);
}
.search-input:focus { outline: 2px solid var(--orange); outline-offset: -1px; }
.search-input::placeholder { color: #8f8b86; }
.search-results { margin-top: 14px; max-height: 320px; overflow-y: auto; }
.search-result {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--dark-line);
  text-decoration: none;
}
.search-result:hover .search-result-title { color: var(--orange-bright); }
.search-result-title { color: var(--ink); font-size: 16px; font-weight: 600; }
.search-result-snippet { color: #8f8b86; font-size: 14px; margin-top: 3px; }
.search-empty { color: #8f8b86; font-size: 14px; margin-top: 14px; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
footer .mono { color: #8f8b86; }
footer a { text-decoration: none; }
footer a:hover { color: var(--orange-bright); }
.footer-links { display: flex; gap: 30px; list-style: none; flex-wrap: wrap; }

/* ---------- Focus / motion ---------- */

a:focus-visible, button:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; padding: 72px 0 80px; }
  #fabric { margin-left: 0; max-width: 300px; }
  .card-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 12px; padding: 30px 0; }
  .job-row { grid-template-columns: 1fr; gap: 6px; }
  .job-arrow { display: none; }
  .logo-row figure { max-width: 100%; }
  .logo-row figcaption { white-space: normal; }
  .advisor-row { gap: 24px; }
  .advisor-row figure { width: 130px; }
  .advisor-row img { width: 130px; height: 130px; }
  .stat-row { flex-direction: column; }
  .stat-row .step { max-width: 100% !important; }

  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--hairline); }
  .nav-links a { display: block; padding: 16px 0; }
  .nav-links .nav-cta { border: none; background: none; color: var(--orange); padding: 16px 0; }
}

/* ---------- How it works steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step { border-top: 1px solid var(--ink); padding-top: 24px; }
.step .num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.step p { font-size: 16.5px; color: var(--ink-soft); }

.eo-note { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--hairline); color: var(--ink-soft); font-size: 14.5px; max-width: 72ch; }

@media (max-width: 700px) { .steps { grid-template-columns: 1fr; } }