:root {
  --bg: #071018;
  --bg-elevated: #0d1a24;
  --ink: #eef3f6;
  --muted: #9aafbd;
  --line: rgba(238, 243, 246, 0.12);
  --accent: #3ecf9a;
  --accent-deep: #1f9a6c;
  --glow: rgba(62, 207, 154, 0.18);
  --font-display: "Syne", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --radius: 2px;
  --shell: min(1120px, calc(100% - 2.5rem));
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img,
iframe {
  max-width: 100%;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #04110c;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: rgba(7, 16, 24, 0.72);
  backdrop-filter: blur(14px);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(7, 16, 24, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a:not(.btn) {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-nav a:not(.btn):hover {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0.3rem auto;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #04110c;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  background: #57dbab;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px var(--glow);
}

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.875rem;
}

.text-link {
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 78% 18%, rgba(62, 207, 154, 0.16), transparent 55%),
    radial-gradient(ellipse 55% 45% at 12% 78%, rgba(56, 120, 180, 0.18), transparent 50%),
    linear-gradient(165deg, #0a1620 0%, #071018 48%, #050d14 100%);
  pointer-events: none;
}

.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.35;
  mix-blend-mode: overlay;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-mark {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 5.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.hero-lede {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

/* Sections */
.section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--line);
}

.section-label {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.prose p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* Focus */
.focus-list {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.focus-item {
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.focus-item:not(:last-child) {
  padding-right: 1.75rem;
  border-right: 1px solid var(--line);
  margin-right: 1.75rem;
}

.focus-kicker {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.focus-item h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.focus-item p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

/* Contact */
.contact {
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(62, 207, 154, 0.08), transparent 50%),
    var(--bg-elevated);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-lede {
  margin: 1.15rem 0 0;
  color: var(--muted);
  max-width: 28rem;
}

.tally-wrap {
  min-height: 313px;
}

.tally-wrap iframe {
  border: 0;
  width: 100%;
}

/* Footer */
.site-footer {
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 2rem;
  align-items: start;
}

.footer-brand p:not(.logo) {
  margin: 0.85rem 0 0;
  max-width: 22rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  text-align: right;
}

.footer-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--ink);
}

.copyright {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.hero .reveal:nth-child(1) {
  transition-delay: 0.05s;
}
.hero .reveal:nth-child(2) {
  transition-delay: 0.12s;
}
.hero .reveal:nth-child(3) {
  transition-delay: 0.2s;
}
.hero .reveal:nth-child(4) {
  transition-delay: 0.28s;
}
.hero .reveal:nth-child(5) {
  transition-delay: 0.36s;
}

.focus-item.reveal:nth-child(1) {
  transition-delay: 0.05s;
}
.focus-item.reveal:nth-child(2) {
  transition-delay: 0.15s;
}
.focus-item.reveal:nth-child(3) {
  transition-delay: 0.25s;
}

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

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

  .btn:hover {
    transform: none;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .section-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .focus-list {
    grid-template-columns: 1fr;
  }

  .focus-item,
  .focus-item:not(:last-child) {
    margin-right: 0;
    padding: 1.5rem 0;
    border-right: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    text-align: left;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: min(1120px, calc(100% - 1.5rem));
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(7, 16, 24, 0.97);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .btn {
    margin-top: 0.75rem;
    width: 100%;
  }

  .hero {
    padding: 3rem 0 4rem;
    min-height: auto;
  }

  .section {
    padding: 4rem 0;
  }
}