/* ===== Tokens ===== */
:root {
  --ink: #12161C;
  --paper: #EDEAE2;
  --paper-dim: #DEDACD;
  --slate: #4A5568;
  --slate-soft: #6B7688;
  --signal: #4F8EF9;
  --signal-dim: #2451D6;

  --display: 'Montserrat', sans-serif;
  --body: 'Montserrat', sans-serif;
  --mono: 'Montserrat', sans-serif;

  --wrap: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--slate); }

a { color: inherit; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1em;
}

.cell-coord {
  background: var(--ink);
  color: var(--signal);
  font-family: var(--mono);
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 0.75rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: #232C39; }

.btn-ghost {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn-large { font-size: 1.05rem; padding: 16px 30px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 1.8em; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(237, 234, 226, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--paper-dim);
}

/* Offset in-page anchor targets so the sticky header doesn't cover them */
#roles, #apply { scroll-margin-top: 90px; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  object-fit: cover;
  display: block;
}

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--slate);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a.active {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.nav-cta {
  font-family: var(--mono);
  color: var(--ink) !important;
  border: 1px solid var(--ink);
  padding: 7px 14px;
  border-radius: 3px;
}
.nav-cta:hover { background: var(--ink); color: var(--paper) !important; }

.nav-toggle { display: none; }

/* Careers nav dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown-row { display: flex; align-items: center; gap: 2px; }

.nav-dropdown-caret {
  background: none;
  border: none;
  padding: 4px;
  margin: 0;
  cursor: pointer;
  color: var(--slate);
  font-size: 0.65rem;
  line-height: 1;
  transition: color 0.15s ease;
}
.nav-dropdown-caret span { display: inline-block; transition: transform 0.15s ease; }
.nav-dropdown-caret:hover { color: var(--ink); }

.nav-dropdown.open .nav-dropdown-caret { color: var(--ink); }
.nav-dropdown.open .nav-dropdown-caret span { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  /* No margin-top: the box starts flush against the trigger row so there's
     no gap for the pointer to leave the hoverable area mid-transit; the
     extra top padding below gives visual breathing room instead. */
  min-width: 140px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--paper);
  border: 1px solid var(--paper-dim);
  border-radius: 6px;
  padding: 12px 6px 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 60;
}

.nav-dropdown-menu a {
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.88rem;
}
.nav-dropdown-menu a:hover { background: var(--paper-dim); color: var(--ink); }

.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== Hero ===== */
.hero { padding: 72px 0 60px; position: relative; overflow: hidden; }

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-sub { max-width: 48ch; font-size: 1.05rem; }

.hero-copy h1 { white-space: nowrap; font-size: clamp(1.9rem, 3.6vw, 2.8rem); }

@media (max-width: 420px) {
  .hero-copy h1 { white-space: normal; font-size: 1.8rem; }
}

.hero-grid {
  position: relative;
  aspect-ratio: 1 / 1;
}

.cell-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
  border: 1px solid var(--paper-dim);
  border-radius: 6px;
  overflow: hidden;
  background: #F5F3EC;
}

.cell-grid .g-cell {
  border-right: 1px solid var(--paper-dim);
  border-bottom: 1px solid var(--paper-dim);
  box-shadow: 0 0 0 0 rgba(79, 142, 249, 0);
  transition: background-color 0.7s ease, border-color 0.7s ease, box-shadow 0.7s ease;
}

.cell-grid .g-cell.lit {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 14px 3px rgba(79, 142, 249, 0.55);
}

@media (prefers-reduced-motion: reduce) {
  .cell-grid .g-cell { transition: none; }
}

/* Ambient grid veil in header area, purely decorative, very subtle */
.grid-veil {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(var(--paper-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-dim) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, black, transparent 420px);
}

/* ===== Sections ===== */
.section { padding: 90px 0; }

.services { border-top: 1px solid var(--paper-dim); }

.services-intro { max-width: 58ch; font-size: 1.05rem; margin-top: 0.4em; }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: 2.4em;
}

.pillar-icon {
  width: 44px;
  height: 44px;
  color: var(--ink);
  margin-bottom: 1em;
}
.pillar-icon svg { width: 100%; height: 100%; }

.pillar-title {
  font-family: var(--body);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 0.5em;
}

.pillar-roles {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--slate);
  text-decoration: none;
  margin-top: 0.4em;
}
.pillar-roles:hover { color: var(--signal-dim); text-decoration: underline; }

/* Approach */
.approach { background: var(--ink); }
.approach-copy .eyebrow { color: rgba(237,234,226,0.55); }
.approach-copy h2 { color: var(--paper); }
.approach-copy p { color: rgba(237,234,226,0.75); }

.approach-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}


/* About */
.about-intro {
  padding: 110px 0;
  background:
    linear-gradient(rgba(18,22,28,0.72), rgba(18,22,28,0.72)),
    url("images/office.jpg") center / cover no-repeat;
}

.meet-team-section { padding-top: 40px; }

.about-intro-inner {
  max-width: 70ch;
}

.about-intro .eyebrow { color: var(--signal); }
.about-intro h1 { color: var(--paper); }

.about-placeholder {
  max-width: 60ch;
  color: rgba(237, 234, 226, 0.82);
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 2.2em;
}

.team-email {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-top: 0.8em;
}
.team-email a { color: var(--slate); text-decoration: none; }
.team-email a:hover { color: var(--signal-dim); text-decoration: underline; }

.team-card {
  background: #F5F3EC;
  border: 1px solid var(--paper-dim);
  border-radius: 8px;
  padding: 28px;
}

.team-role {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--signal-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.team-name-toggle {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  font-family: var(--display);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-align: left;
}
.team-name-toggle:hover { color: var(--signal-dim); }
.team-name-toggle .chevron { font-size: 0.8em; color: var(--signal-dim); }

.team-bio-source { display: none; }

.team-name-toggle.active { color: var(--signal-dim); }

/* Team bio panel */
.team-bio-panel {
  grid-column: 1 / -1;
  position: relative;
  display: flex;
  gap: 28px;
  padding: 36px;
  background: var(--paper-dim);
  border: 1px solid #D8D3C4;
  border-radius: 8px;
}

.team-bio-panel.bio-panel-animate { animation: bio-panel-in 0.2s ease; }

.team-bio-panel[hidden] { display: none; }

@keyframes bio-panel-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.team-bio-arrow {
  position: absolute;
  top: -9px;
  left: 60px;
  width: 16px;
  height: 16px;
  background: var(--paper-dim);
  border-left: 1px solid #D8D3C4;
  border-top: 1px solid #D8D3C4;
  transform: rotate(45deg);
  transition: left 0.2s ease;
}

.team-bio-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--slate);
  cursor: pointer;
  padding: 4px;
}
.team-bio-close:hover { color: var(--ink); }

.team-bio-photo {
  flex: 0 0 auto;
  width: 120px;
  height: 120px;
  border: 1px solid #D8D3C4;
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper);
}
.team-bio-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.team-bio-content { flex: 1; padding-right: 24px; }

.team-bio-role-text {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--signal-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4em;
}

.team-bio-email-text {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-bottom: 1.2em;
}
.team-bio-email-text a { color: var(--slate); text-decoration: none; }
.team-bio-email-text a:hover { color: var(--signal-dim); text-decoration: underline; }

.team-bio-text p { font-size: 0.95rem; margin: 0; }

/* Roles */
.careers-intro { background: var(--paper); border-top: 1px solid var(--paper-dim); }
.careers-tabs { background: var(--paper-dim); border-top: 1px solid #D8D3C4; }

.roles-intro-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  margin-top: 0.4em;
}

.roles-intro { max-width: 60ch; }
.roles-intro p { margin-bottom: 0.5em; }
.roles-intro .btn { margin-top: 0.8em; }

.roles-intro-visual {
  border: 1px solid var(--paper-dim);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-dim);
  aspect-ratio: 3 / 2;
}
.roles-intro-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }

.roles-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 2em 0 2.4em;
  border-bottom: 1px solid var(--paper-dim);
}

.roles-tab {
  background: none;
  border: none;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 12px 18px;
  color: var(--slate);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.roles-tab:hover { color: var(--ink); }
.roles-tab.active {
  color: var(--signal-dim);
  border-bottom-color: var(--signal-dim);
  font-weight: 600;
}

.roles-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.roles-photo {
  border: 1px solid var(--paper-dim);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-dim);
  aspect-ratio: 4 / 3;
}
.roles-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.roles-copy h3 { margin-bottom: 0.5em; }

/* Apply form */
.apply { border-top: 1px solid var(--paper-dim); }

.apply-sub { max-width: 60ch; margin-top: 0.4em; color: var(--slate); }

.apply-form { max-width: 640px; margin-top: 2em; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-field { display: flex; flex-direction: column; }
.form-field-full { grid-column: 1 / -1; }

.form-field label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5em;
}

.form-optional { text-transform: none; letter-spacing: normal; color: var(--slate-soft); }

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"] {
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-dim);
  border-radius: 4px;
  padding: 11px 14px;
}
.form-field input[type="text"]:focus,
.form-field input[type="email"]:focus,
.form-field input[type="tel"]:focus {
  outline: none;
  border-color: var(--signal);
}

.form-field select[multiple] {
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-dim);
  border-radius: 4px;
  padding: 8px;
}
.form-field select[multiple]:focus { outline: none; border-color: var(--signal); }
.form-field select[multiple] option { padding: 6px 8px; }
.form-field select[multiple] option:checked { background: var(--signal-dim); color: var(--paper); }

.form-hint {
  font-size: 0.8rem;
  color: var(--slate-soft);
  margin-top: 0.5em;
}

.apply-form > .form-field,
.form-field-file { margin-bottom: 20px; }

.form-field input[type="file"] {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--slate);
  background: var(--paper);
  border: 1px dashed var(--paper-dim);
  border-radius: 4px;
  padding: 14px;
}

.apply-form .btn { margin-top: 8px; }

.form-status {
  margin-top: 1em;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--signal-dim);
}

/* Founder */
.founder-card {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 2em 0 2.2em;
}

.founder-photo { width: 140px; height: 140px; flex-shrink: 0; }

.founder-quote { margin: 0; padding: 0; border: 0; }
.founder-quote p {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 0.5em;
}
.founder-quote footer {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--slate-soft);
}
.founder-quote cite { font-style: normal; }

.team-photo {
  width: 96px;
  height: 96px;
  border: 1px solid var(--paper-dim);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1.2em;
  background: var(--paper-dim);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Contact */
.contact {
  text-align: center;
  padding: 99px 0;
  background:
    linear-gradient(rgba(18, 22, 28, 0.65), rgba(18, 22, 28, 0.65)),
    url('images/conference.JPG') center/cover no-repeat;
}
.contact .eyebrow { color: rgba(237, 234, 226, 0.75); }

.contact-inner { max-width: 620px; margin: 0 auto; }

.contact-box {
  margin-top: 1.6em;
  padding: 40px;
  background: #F5F3EC;
  border: 1px solid var(--paper-dim);
  border-radius: 8px;
  text-align: left;
}

.contact-box-form label {
  display: block;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.8em;
}

.contact-box-row { display: flex; gap: 12px; }

.contact-box-row input[type="email"] {
  flex: 1;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-dim);
  border-radius: 4px;
  padding: 13px 14px;
}
.contact-box-row input[type="email"]:focus { outline: none; border-color: var(--signal); }

.contact-box .form-status {
  margin-top: 1em;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--signal-dim);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--paper-dim);
  padding: 26px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--slate-soft);
}

.footer-address {
  font-style: normal;
  color: var(--slate-soft);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero-inner, .approach-inner, .roles-intro-inner { grid-template-columns: 1fr; }
  .hero-grid { order: -1; max-width: 340px; margin: 0 auto; }
  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .founder-card { flex-direction: column; align-items: flex-start; }
  .team-bio-panel { flex-direction: column; }
  .roles-panel-inner { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-box-row { flex-direction: column; }
  .main-nav { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  .nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--ink);
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 20px 28px;
    border-bottom: 1px solid var(--paper-dim);
  }
  .nav-dropdown-row { justify-content: space-between; }
  .nav-dropdown-caret { display: none; }
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    border: none;
    border-radius: 0;
    padding: 2px 0 0 14px;
    margin-top: 4px;
  }
  .nav-dropdown-menu a { padding: 6px 0; font-size: 0.85rem; color: var(--slate-soft); }
  .nav-dropdown-menu a:hover { background: none; color: var(--ink); }
}

@media (max-width: 560px) {
  .pillar-grid { grid-template-columns: 1fr; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--signal-dim);
  outline-offset: 2px;
}