:root {
  --cyan: #00fcda;
  --navy: #002841;
  --fog: #e2e5ec;
  --fog-2: #d5dae4;
  --muted: rgba(0, 40, 65, 0.62);
  --line: rgba(0, 40, 65, 0.12);
  --font-d: "Syne", system-ui, sans-serif;
  --font-b: "Karla", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--navy);
  background: var(--fog);
  font-family: var(--font-b);
  font-size: 1.05rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  min-height: 100svh;
}

/* Signature: split trade desk — fog thesis + cyan booth */
.desk {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  min-height: 100svh;
}

.desk-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 4.5rem);
  background:
    radial-gradient(circle at 0% 100%, rgba(0, 252, 218, 0.18), transparent 42%),
    var(--fog);
  animation: in 0.65s ease both;
}

.mark {
  width: fit-content;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.tag {
  margin: 2.2rem 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.desk h1 {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(3.2rem, 8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.desk h1 span {
  display: inline-block;
}

.desk h1 .arrow {
  margin: 0 0.15em;
  color: var(--cyan);
  -webkit-text-stroke: 0;
  text-shadow: 0 0 0 var(--navy);
}

.lead {
  margin: 1.25rem 0 1.5rem;
  max-width: 28rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.lead span {
  display: block;
  margin-top: 0.4rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  background: color-mix(in srgb, var(--fog) 70%, white);
}

.desk-booth {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--cyan);
  color: var(--navy);
  animation: booth 0.75s 0.08s ease both;
}

.booth-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}

.booth-title {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.booth-ru {
  margin: 0;
  max-width: 18rem;
  font-size: 0.98rem;
  opacity: 0.8;
}

.booth-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 0.75rem;
  padding: 0.95rem 1.35rem;
  background: var(--navy);
  color: var(--fog);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid var(--navy);
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.booth-cta:hover {
  transform: translateY(-2px);
  background: transparent;
  color: var(--navy);
}

.booth-cta:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.booth-cta-dark {
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
}

.booth-cta-dark:hover {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
}

.booth-handle {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lane {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--fog) 82%, white);
}

.lane-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1100px;
  margin: 0 auto;
}

.lane article {
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--line);
}

.lane article:last-child {
  border-right: 0;
}

.lane h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-d);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.lane p {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.story {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.story-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--navy) 55%, var(--cyan));
}

.story h2 {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.story-body p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.story-body strong {
  color: var(--navy);
}

.story-body em {
  font-style: normal;
  color: var(--navy);
  background: linear-gradient(transparent 62%, rgba(0, 252, 218, 0.55) 62%);
}

.text-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 0.1rem;
}

.text-link:hover {
  color: color-mix(in srgb, var(--navy) 70%, black);
}

.faq {
  padding: clamp(3rem, 7vw, 4.5rem) clamp(1.25rem, 4vw, 3rem);
  background: var(--navy);
  color: var(--fog);
}

.faq h2 {
  margin: 0 auto 1.5rem;
  max-width: 1100px;
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
}

.faq-list {
  max-width: 1100px;
  margin: 0 auto;
}

.faq details {
  border-top: 1px solid rgba(226, 229, 236, 0.16);
  padding: 1rem 0;
}

.faq details:last-child {
  border-bottom: 1px solid rgba(226, 229, 236, 0.16);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.55rem 0 0;
  color: rgba(226, 229, 236, 0.7);
  max-width: 40rem;
}

.end {
  padding: clamp(4rem, 9vw, 6rem) 1.25rem;
  text-align: center;
  background: var(--fog);
}

.end h2 {
  margin: 0;
  font-family: var(--font-d);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.04em;
}

.end p {
  margin: 0.6rem 0 1.4rem;
  color: var(--muted);
}

.end .booth-cta {
  margin: 0 auto;
}

.foot {
  padding: 1.4rem clamp(1.25rem, 4vw, 3rem) 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.foot p {
  margin: 0 0 0.35rem;
}

.fine {
  font-size: 0.78rem;
  opacity: 0.85;
}

@keyframes in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes booth {
  from {
    opacity: 0;
    transform: translateX(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 880px) {
  .desk {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .desk-booth {
    min-height: 48svh;
  }

  .lane-inner,
  .story-grid {
    grid-template-columns: 1fr;
  }

  .lane article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .lane article:last-child {
    border-bottom: 0;
  }
}

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

  .desk-copy,
  .desk-booth {
    animation: none !important;
  }
}
