:root {
  --bg: #07101d;
  --surface: #0d1929;
  --surface-2: #122237;
  --text: #f4f7fb;
  --muted: #a7b5c8;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #7cf5cb;
  --accent-strong: #3ce0aa;
  --accent-ink: #04261c;
  --header-bg: rgba(7, 16, 29, 0.86);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
  --radius: 22px;
  --container: 1180px;
}

:root[data-theme="light"] {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #eef3f7;
  --text: #0b1727;
  --muted: #526176;
  --line: rgba(11, 23, 39, 0.13);
  --accent: #087e5e;
  --accent-strong: #05694f;
  --accent-ink: #ffffff;
  --header-bg: rgba(245, 247, 250, 0.88);
  --shadow: 0 24px 70px rgba(27, 45, 68, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 4%, rgba(124, 245, 203, 0.08), transparent 31rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 680;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-links .nav-cta {
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}

.theme-toggle,
.menu-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 42px;
  padding: 9px;
  border-radius: 11px;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  border-radius: 10px;
  background: currentColor;
}

.hero {
  padding: 96px 0 74px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(330px, 0.7fr);
  gap: 74px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.15rem, 7vw, 6.75rem);
  line-height: 0.98;
  letter-spacing: -0.068em;
}

.hero-text {
  max-width: 760px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.7vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 35px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 690;
}

.proof-list li {
  position: relative;
  padding-left: 17px;
}

.proof-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
}

.hero-panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(124, 245, 203, 0.08), transparent 46%),
    var(--surface);
  box-shadow: var(--shadow);
}

.status-row {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.11em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(124, 245, 203, 0.1);
}

.hero-panel h2 {
  margin: 20px 0 10px;
  font-size: 2rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-panel > p {
  margin: 0;
  color: var(--muted);
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--line);
}

.signal-grid div {
  min-height: 104px;
  padding: 16px;
  background: var(--surface-2);
}

.signal-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 720;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-grid strong {
  font-size: 0.94rem;
  line-height: 1.35;
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.two-column {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
}

.section-heading h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.3rem, 4.5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.section-heading.inline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.section-intro {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.06rem;
}

.text-link {
  flex: 0 0 auto;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-weight: 760;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--text);
  border-color: var(--accent);
}

.about-copy {
  max-width: 760px;
}

.about-copy > p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: clamp(1.1rem, 1.8vw, 1.28rem);
}

.capability-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 35px;
}

.capability-list span,
.tag-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.capability-list span {
  padding: 8px 13px;
  font-size: 0.86rem;
  font-weight: 720;
}

.projects-section {
  background: linear-gradient(180deg, transparent, rgba(124, 245, 203, 0.025), transparent);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 190ms ease, border-color 190ms ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 245, 203, 0.45);
}

.project-card.featured {
  background:
    linear-gradient(145deg, rgba(124, 245, 203, 0.1), transparent 42%),
    var(--surface);
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-number {
  color: var(--accent);
}

.project-card h3 {
  margin: 36px 0 15px;
  font-size: 2rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.project-card > p {
  margin: 0;
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 5px 9px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 740;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: auto;
  padding-top: 32px;
}

.card-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 820;
}

.card-links a:hover,
.card-links a:focus-visible {
  color: var(--accent);
}

.writing-list {
  border-top: 1px solid var(--line);
}

.writing-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: 29px 2px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding-left 180ms ease;
}

.writing-item:hover,
.writing-item:focus-visible {
  padding-left: 10px;
}

.writing-type {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.writing-title {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 760;
  letter-spacing: -0.02em;
}

.arrow {
  color: var(--muted);
  font-size: 1.2rem;
}

.community-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.credential-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.credential {
  min-height: 260px;
  padding: 25px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.credential-index {
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 800;
}

.credential h3 {
  margin: 42px 0 10px;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.credential p {
  margin: 0;
  color: var(--muted);
}

.credential a {
  display: inline-block;
  margin-top: 18px;
  color: var(--text);
  text-decoration: none;
  font-weight: 760;
}

.credential a:hover,
.credential a:focus-visible {
  color: var(--accent);
}

.contact-section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: end;
  padding: clamp(30px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(circle at 95% 0%, rgba(124, 245, 203, 0.15), transparent 22rem),
    var(--surface);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.contact-card p:not(.eyebrow) {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer {
  padding: 30px 0 46px;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-grid p {
  margin: 0;
}

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

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 940px) {
  .hero {
    padding-top: 72px;
  }

  .hero-grid,
  .two-column,
  .community-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero-panel {
    max-width: 680px;
  }

  .contact-card {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-heading.inline {
    align-items: start;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand-name {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 11px 12px;
    border-radius: 9px;
  }

  .nav-links .nav-cta {
    border: 0;
  }

  .theme-toggle {
    width: 100%;
    border-radius: 9px;
  }

  h1 {
    font-size: clamp(3.1rem, 16vw, 5rem);
  }

  .signal-grid,
  .project-grid,
  .credential-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 74px 0;
  }

  .section-heading.inline {
    display: block;
    margin-bottom: 34px;
  }

  .section-heading.inline .text-link {
    display: inline-block;
    margin-top: 20px;
  }

  .project-card {
    min-height: 390px;
  }

  .writing-item {
    grid-template-columns: 1fr auto;
    gap: 8px 20px;
  }

  .writing-type {
    grid-column: 1 / -1;
  }

  .writing-title {
    grid-column: 1;
  }

  .arrow {
    grid-column: 2;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .project-card,
  .hero-panel {
    padding: 22px;
  }
}