:root {
  --bg: #0a0d12;
  --bg-soft: #11161d;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-3: rgba(255, 255, 255, 0.09);

  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);

  --text: #f3f5f7;
  --ink: #d9dee5;
  --ink-dim: #9aa5b3;
  --ink-faint: #748091;

  --accent: #d9ecff;
  --accent-strong: #ffffff;
  --accent-soft: rgba(217, 236, 255, 0.08);

  --danger: #ff6b6b;

  --max: 1200px;
  --radius: 22px;
  --radius-sm: 14px;

  --shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(100, 145, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #090c11 0%, #0d1218 100%);
  color: var(--text);
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

section {
  position: relative;
}

.mono,
.section-index,
.mono-label,
.page-kicker,
.last-updated,
.toc-title,
.role-meta,
.hero-meta,
.form-success .mono {
  font-family: "DM Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--ink-faint);
}

.wordmark,
.foot-wordmark {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.wordmark em,
.page-title em,
h1 em,
h2 em {
  font-style: normal;
  color: var(--accent);
}

p {
  margin: 0 0 1rem;
  color: var(--ink);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

h1 {
  font-size: clamp(3.4rem, 10vw, 7.4rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8, 11, 15, 0.55);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.nav.scrolled {
  background: rgba(8, 11, 15, 0.82);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 78px;
}

.wordmark {
  font-size: 1.45rem;
  white-space: nowrap;
}

.main {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.main a {
  color: var(--ink-dim);
  font-size: 15px;
  transition: color var(--transition);
}

.main a:hover,
.main a.active,
.main a.nav-trp.active,
.main a.nav-trp:hover {
  color: var(--text);
}

.nav-trp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trp-badge {
  opacity: 0.7;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.nav-cta:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 0;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}

.nav-toggle span:first-child {
  top: 18px;
}

.nav-toggle span:last-child {
  top: 28px;
}

.nav-toggle.open span:first-child {
  top: 23px;
  transform: rotate(45deg);
}

.nav-toggle.open span:last-child {
  top: 23px;
  transform: rotate(-45deg);
}

.hero {
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(114, 163, 255, 0.12), transparent 22%),
    radial-gradient(circle at 80% 18%, rgba(255, 255, 255, 0.06), transparent 18%);
  pointer-events: none;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #b7ffb1;
  box-shadow: 0 0 14px rgba(183, 255, 177, 0.75);
}

.divider {
  width: 28px;
  height: 1px;
  background: var(--line-strong);
}

.hero h1 {
  max-width: 860px;
}

.hero .line {
  display: block;
  overflow: hidden;
}

.hero .line span {
  display: inline-block;
}

.hero-lede {
  max-width: 650px;
  margin-top: 26px;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: var(--ink-dim);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn,
.form-submit,
.trp-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover,
.form-submit:hover,
.trp-login-btn:hover {
  transform: translateY(-1px);
}

.btn-primary,
.form-submit,
.trp-login-btn {
  background: var(--text);
  color: #0b0f14;
  border-color: transparent;
}

.btn-primary:hover,
.form-submit:hover,
.trp-login-btn:hover {
  background: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--line-strong);
}

#about,
.contact,
.page-body,
section:not(.hero):not(.page-head) {
  padding: 90px 0;
}

.about-grid,
.contact-grid,
.trp-layout {
  display: grid;
  gap: 40px;
}

.about-grid {
  grid-template-columns: 170px minmax(0, 1fr);
  align-items: start;
}

.about-body p {
  max-width: 800px;
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--ink-dim);
}

.contact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
  align-items: start;
}

.contact-head p {
  max-width: 600px;
  margin-top: 18px;
  color: var(--ink-dim);
}

.contact-direct {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.contact-direct-item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.contact-direct-item .key {
  font-family: "DM Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.contact-direct-item .val {
  color: var(--text);
}

.contact-form,
.trp-auth-card,
.role,
.careers-open,
.toc,
.page-reading,
.trp-feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form {
  padding: 26px;
}

.form-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.form-tab {
  border: 0;
  background: transparent;
  color: var(--ink-dim);
  padding: 10px 16px;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.form-tab.active {
  background: var(--text);
  color: #0b0f14;
}

.form-pane {
  display: none;
}

.form-pane.active {
  display: block;
}

.form-note {
  margin-bottom: 20px;
  color: var(--ink-dim);
  font-size: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-bottom: 16px;
}

.field-full {
  width: 100%;
}

label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
}

.req {
  color: var(--ink-faint);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

input:focus,
textarea:focus {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.05);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  margin: 12px 0 22px;
}

.consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  padding: 0;
}

.consent span {
  color: var(--ink-dim);
  font-size: 14px;
}

.consent a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-success {
  display: none;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(183, 255, 177, 0.25);
  background: rgba(183, 255, 177, 0.06);
  border-radius: 16px;
  color: var(--text);
}

.form-success.visible {
  display: block;
}

.invalid {
  border-color: var(--danger) !important;
}

.page-head {
  padding: 90px 0 40px;
}

.page-title {
  margin-top: 12px;
  font-size: clamp(2.5rem, 7vw, 5rem);
}

.page-lede {
  max-width: 760px;
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--ink-dim);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-faint);
  font-size: 14px;
}

.breadcrumb a:hover {
  color: var(--text);
}

.sep {
  opacity: 0.55;
}

.placeholder-tag {
  display: inline-flex;
  align-items: center;
  margin-left: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink-faint);
}

.page-kicker {
  margin-bottom: 18px;
}

.trp-layout {
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 430px);
  align-items: start;
}

.trp-intro p {
  max-width: 750px;
  margin-top: 18px;
  color: var(--ink-dim);
}

.trp-features {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.trp-feature {
  padding: 18px 18px 16px;
}

.trp-feature strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 16px;
}

.trp-feature span {
  color: var(--ink-dim);
  font-size: 15px;
}

.trp-auth-card {
  padding: 28px;
  position: sticky;
  top: 108px;
}

.trp-auth-card h2 {
  font-size: 2rem;
  margin-bottom: 14px;
}

.trp-auth-card p {
  color: var(--ink-dim);
}

.trp-auth-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 26px;
}

.trp-auth-note {
  margin-top: 24px;
  font-size: 12px;
  color: var(--ink-faint);
}

.page-content {
  max-width: 900px;
}

.page-content h2,
.page-reading h2 {
  margin: 36px 0 14px;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
}

.roles {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.role {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 40px;
  gap: 20px;
  align-items: center;
  padding: 22px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.role:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.role-title {
  font-family: "Syne", sans-serif;
  font-size: 1.25rem;
  color: var(--text);
}

.role-sub {
  margin-top: 6px;
  color: var(--ink-dim);
  font-size: 14px;
}

.role-arrow {
  justify-self: end;
  color: var(--ink-dim);
  font-size: 1.2rem;
}

.careers-open {
  margin-top: 28px;
  padding: 26px;
}

.careers-open p {
  margin: 14px 0 20px;
  color: var(--ink-dim);
}

.page-reading {
  max-width: 860px;
  padding: 28px;
}

.page-reading ul {
  padding-left: 20px;
  color: var(--ink);
}

.page-reading li + li {
  margin-top: 8px;
}

.last-updated {
  margin-bottom: 24px;
}

.toc {
  padding: 20px;
  margin: 24px 0 34px;
}

.toc ol {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 12px;
}

.toc li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
}

.toc .num {
  color: var(--ink-faint);
  font-family: "DM Mono", monospace;
  font-size: 12px;
}

.toc a {
  color: var(--ink);
}

.toc a:hover {
  color: var(--text);
}

.page-reading a,
.page-content:not(.careers-page) a,
.contact-direct a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

footer {
  padding: 80px 0 34px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

.foot-wordmark {
  font-size: clamp(2rem, 5vw, 3.6rem);
  margin-bottom: 24px;
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-faint);
  font-size: 14px;
}

.links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.links a:hover {
  color: var(--text);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .contact-grid,
  .trp-layout,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .trp-auth-card {
    position: static;
    top: auto;
  }

  .role {
    grid-template-columns: 1fr;
  }

  .role-arrow {
    justify-self: start;
  }
}

@media (max-width: 820px) {
  .nav-inner {
    min-height: 72px;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main {
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    background: rgba(10, 13, 18, 0.98);
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .main.open {
    display: flex;
  }

  .main a {
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
  }

  .main a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: auto;
    padding: 70px 0 80px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(calc(100% - 24px), var(--max));
  }

  #about,
  .contact,
  .page-body,
  section:not(.hero):not(.page-head) {
    padding: 72px 0;
  }

  .page-head {
    padding: 72px 0 28px;
  }

  .contact-form,
  .page-reading,
  .trp-auth-card,
  .careers-open,
  .role {
    padding: 20px;
  }

  .hero-actions,
  .trp-auth-actions {
    width: 100%;
  }

  .hero-actions .btn,
  .trp-auth-actions .btn,
  .trp-auth-actions .trp-login-btn {
    width: 100%;
  }

  .foot-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-error {
  display: none;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid rgba(255, 90, 90, 0.35);
  border-radius: 18px;
  background: rgba(255, 90, 90, 0.08);
  color: rgba(255, 255, 255, 0.9);
}

.form-error.visible {
  display: block;
}

.form-submit.loading {
  opacity: 0.65;
  pointer-events: none;
}

.hero h1 {
  line-height: 0.96;
  overflow: visible;
}

.hero h1 .line {
  display: block;
  overflow: visible;
  padding-bottom: 0.08em;
}

.hero h1 .line span {
  display: inline-block;
  overflow: visible;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  min-height: 64px;
  padding: 0 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
}

.btn-primary {
  min-width: 190px;
}

.btn-primary svg {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.btn-ghost {
  min-width: 150px;
}

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

.careers-page {
  max-width: 980px;
}

.careers-page a,
.career-detail a,
.role,
.role *,
.career-back,
.career-apply-card a,
.career-filter,
.btn,
.form-submit {
  text-decoration: none;
}

.careers-page a:hover,
.career-detail a:hover,
.role:hover,
.role:hover *,
.career-back:hover,
.career-apply-card a:hover,
.btn:hover,
.form-submit:hover {
  text-decoration: none;
}

.career-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 26px;
}

.career-filter {
  min-height: 40px;
  padding: 0 14px;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-dim);
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.career-filter:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  color: var(--text);
}

.career-filter.active {
  background: var(--text);
  border-color: transparent;
  color: #0b0f14;
}

.careers-empty {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-dim);
}

.career-detail {
  display: grid;
  gap: 24px;
}

.career-back {
  display: inline-flex;
  width: fit-content;
  color: var(--ink-dim);
  text-decoration: none !important;
  transition: color var(--transition);
}

.career-back:hover {
  color: var(--text);
}

.career-hero-card,
.career-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.career-hero-card {
  padding: 30px 30px 34px;
}

.career-hero-card h2 {
  margin: 14px 0 12px;
  font-size: clamp(2rem, 5vw, 4rem);
}

.career-hero-card p {
  color: var(--ink-dim);
  max-width: 720px;
}

.career-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
}

.career-facts div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.career-facts span {
  display: block;
  margin-bottom: 6px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.career-facts strong {
  display: block;
  color: var(--text);
  font-weight: 500;
}

.career-apply-btn {
  display: none;
}

.career-apply-hint {
  display: inline-flex;
  align-items: center;
  margin-top: 26px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.5;
}

.career-apply-hint::before {
  content: "→";
  margin-right: 12px;
  color: var(--text);
  font-size: 20px;
  line-height: 1;
}

.career-section {
  padding: 28px;
}

.career-section h3 {
  margin-bottom: 16px;
  font-size: 1.45rem;
}

.career-section p {
  color: var(--ink-dim);
}

.career-section ul {
  margin: 0;
  padding-left: 20px;
  color: var(--ink);
}

.career-section li + li {
  margin-top: 10px;
}

.career-apply-card h3 {
  margin-top: 12px;
}

.career-apply-form {
  margin-top: 24px;
}

.field-hint {
  margin-top: 8px;
  color: var(--ink-faint);
  font-size: 13px;
}

.career-apply-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 20px;
}

.career-apply-actions .form-submit,
.career-apply-actions .btn {
  min-height: 54px;
}

@media (max-width: 720px) {
  .career-filter-bar {
    gap: 8px;
  }

  .career-filter {
    flex: 1 1 auto;
  }

  .career-facts {
    grid-template-columns: 1fr;
  }

  .career-hero-card,
  .career-section {
    padding: 22px;
  }

  .career-apply-actions .form-submit,
  .career-apply-actions .btn {
    width: 100%;
  }
}