:root {
  --ink: #12141a;
  --ink-soft: #3a3e48;
  --muted: #5e6470;
  --line: rgba(18, 20, 26, 0.12);
  --line-strong: rgba(18, 20, 26, 0.22);
  --bone: #f3f1eb;
  --bone-2: #e7e4dc;
  --paper: #faf9f6;
  --night: #090a0c;
  --night-2: #14161b;
  --signal: #ff3b1f;
  --signal-deep: #d82c14;
  --bone-text: #f6f4ee;
  --bone-muted: #b7b3aa;
  --sans: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --header: 76px;
  --wrap: 1180px;
  color-scheme: light;
}

@layer base {
  button:not(:disabled),
  [role="button"]:not(:disabled) {
    cursor: pointer;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--signal);
  color: white;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: white;
  color: var(--ink);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}

.skip:focus {
  top: 1rem;
}

.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;
}

.wrap {
  width: min(var(--wrap), calc(100% - 2.5rem));
  margin-inline: auto;
}

.kicker {
  margin: 0 0 0.9rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.display {
  font-size: clamp(2.7rem, 6.4vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.048em;
  line-height: 0.96;
}

.lede {
  margin-top: 1.25rem;
  max-width: 40rem;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.fine {
  margin-top: 1.25rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header);
  display: flex;
  align-items: center;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.tone-light,
.site-header.is-scrolled {
  background: rgba(243, 241, 235, 0.88);
  backdrop-filter: blur(16px);
  color: var(--ink);
  border-bottom-color: var(--line);
}

.site-header.tone-dark:not(.is-scrolled) {
  color: var(--bone-text);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--wrap), calc(100% - 2.5rem));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.04em;
  font-size: 1.05rem;
}

.mark {
  width: 22px;
  height: 22px;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: inherit;
}

.nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.35em;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 550;
  letter-spacing: -0.02em;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: white;
}

.btn-primary:hover {
  background: var(--signal-deep);
}

.nav a.btn-primary,
.site-header.tone-dark:not(.is-scrolled) .nav a.btn-primary {
  color: white;
}

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

.btn-ghost-light {
  background: transparent;
  border-color: rgba(246, 244, 238, 0.35);
  color: var(--bone-text);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.06);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

main {
  padding-top: 0;
}

.hero-home {
  position: relative;
  min-height: 100svh;
  background: var(--night);
  color: var(--bone-text);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: calc(var(--header) + 2.5rem) 0 4.5rem;
}

.hero-home .lede,
.hero-home .fine {
  color: var(--bone-muted);
}

.mesh {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(900px 560px at 78% -10%, rgba(48, 72, 160, 0.55), transparent 60%),
    radial-gradient(700px 480px at 8% 90%, rgba(255, 59, 31, 0.2), transparent 55%),
    radial-gradient(500px 400px at 60% 80%, rgba(255, 196, 120, 0.08), transparent 50%);
  animation: drift 22s ease-in-out infinite alternate;
  pointer-events: none;
}

.grid-fade {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 30% 40%, black, transparent 75%);
  pointer-events: none;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-3%, 2%, 0) scale(1.06);
  }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.stage {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 1.1rem 1.1rem 1rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  min-height: 420px;
}

.stage-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-muted);
  margin-bottom: 1rem;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--bone-text);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3dd68c;
  box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.6);
  animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 8px rgba(61, 214, 140, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(61, 214, 140, 0);
  }
}

.stage h2 {
  font-size: 1.55rem;
  letter-spacing: -0.04em;
  font-weight: 550;
}

.stage-msg {
  margin: 0.9rem 0 1.1rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--bone-text);
  line-height: 1.45;
}

.stage-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.stage-steps li {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.65rem;
  align-items: start;
  color: var(--bone-muted);
  font-size: 0.95rem;
}

.stage-steps li.is-on {
  color: var(--bone-text);
}

.tick {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.stage-steps li.is-on .tick {
  background: var(--signal);
  border-color: var(--signal);
}

.stage-hold {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.92rem;
  color: #ffb1a4;
}

.marquee {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 0.95rem 0;
}

.marquee-track {
  display: flex;
  gap: 2.4rem;
  width: max-content;
  animation: ticker 36s linear infinite;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 2.4rem;
}

.marquee-track span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section {
  padding: 6.2rem 0;
}

.section-head {
  max-width: 44rem;
  margin-bottom: 2.4rem;
}

.section-head h2,
.h2 {
  font-size: clamp(2rem, 4vw, 3.15rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
  font-weight: 500;
}

.section-head p,
.prose p {
  margin-top: 1rem;
  color: var(--ink-soft);
  max-width: 42rem;
}

.problem-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.problem {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}

.problem .num,
.num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.problem h3,
.use h3,
.offer h3,
.rule-card h3,
.skill h3 {
  font-size: 1.35rem;
  letter-spacing: -0.035em;
  font-weight: 550;
  margin-bottom: 0.4rem;
}

.problem p,
.use p,
.offer p,
.rule-card p,
.skill p,
.step p {
  color: var(--ink-soft);
}

.offer-grid,
.use-grid,
.rule-grid,
.skill-grid,
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

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

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

.step-grid {
  grid-template-columns: repeat(4, 1fr);
}

.offer,
.use,
.rule-card,
.skill,
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem 1.2rem 1.3rem;
  min-height: 100%;
}

.offer {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.offer:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.offer-go {
  margin-top: auto;
  padding-top: 1.2rem;
  font-size: 0.92rem;
  color: var(--signal);
}

.offer:first-child {
  background: var(--night);
  color: var(--bone-text);
  border-color: var(--night);
}

.offer:first-child p {
  color: var(--bone-muted);
}

.band {
  background: var(--night);
  color: var(--bone-text);
}

.band .section-head p,
.band .lede {
  color: var(--bone-muted);
}

.band .step {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--bone-text);
}

.band .step p {
  color: var(--bone-muted);
}

.close {
  padding: 5.5rem 0;
}

.close h2 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  letter-spacing: -0.048em;
  line-height: 0.98;
  font-weight: 500;
  max-width: 16ch;
}

.page-hero {
  padding: calc(var(--header) + 3.2rem) 0 1rem;
}

.page-hero .display {
  max-width: 16ch;
}

.service-block {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 3.2rem 0;
  border-top: 1px solid var(--line);
}

.service-block h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  letter-spacing: -0.045em;
  font-weight: 500;
  margin: 0.3rem 0 0.8rem;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.list {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.list li {
  padding-left: 1rem;
  position: relative;
  color: var(--ink-soft);
}

.list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  position: absolute;
  left: 0;
  top: 0.55rem;
}

.ordered {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.ordered li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.7rem;
  color: var(--ink-soft);
}

.for-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.for-card {
  border-radius: 18px;
  padding: 1.4rem 1.3rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
}

.for-card.dark {
  background: var(--night);
  color: var(--bone-text);
  border-color: var(--night);
}

.for-card.dark .list li {
  color: var(--bone-muted);
}

.prose {
  max-width: 44rem;
}

.prose p + p {
  margin-top: 1rem;
}

.mission-rules {
  margin-top: 2.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: start;
}

.letter {
  background: var(--night);
  color: var(--bone-text);
  border-radius: 22px;
  padding: 1.5rem 1.4rem 1.6rem;
  position: sticky;
  top: calc(var(--header) + 1rem);
}

.letter a {
  color: white;
}

.letter p {
  color: var(--bone-muted);
  margin-top: 0.7rem;
}

.letter strong {
  color: var(--bone-text);
  font-weight: 550;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  padding-bottom: 4rem;
}

.form {
  display: grid;
  gap: 1.1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.4rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 0.7rem 0;
  outline: none;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-bottom-color: var(--signal);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  background: var(--paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}

.legal-name,
.address {
  color: var(--muted);
  font-style: normal;
  margin-top: 0.7rem;
  line-height: 1.6;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
}

.foot-links a {
  text-decoration: none;
}

.foot-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

@media (max-width: 980px) {
  .hero-grid,
  .offer-grid,
  .use-grid,
  .step-grid,
  .rule-grid,
  .skill-grid,
  .service-block,
  .two,
  .for-grid,
  .about-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .letter {
    position: static;
  }

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

  .nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: var(--paper);
    color: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.3rem;
    border-bottom: 1px solid var(--line);
    gap: 0.9rem;
  }

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

  .section {
    padding: 4.2rem 0;
  }

  .stage {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}