:root {
  --bg: #EEF2F4;
  --bg-2: #E0E8ED;
  --bg-deep: #163842;
  --foam: #F7F9FA;
  --fg: #121C22;
  --muted: #3F4F58;
  --line: rgba(18, 28, 34, 0.14);
  --sea: #245568;
  --sea-deep: #163842;
  --fog: #B8C9D1;
  --horizon: #C9D6DD;
  --signal: #A63D2F;
  --signal-soft: rgba(166, 61, 47, 0.12);
  --cta: #163842;
  --cta-fg: #F7F9FA;
  --cta-hover: #245568;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Sora", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --pad: clamp(1.5rem, 5vw, 6rem);
  --content: 72rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: clamp(1.05rem, 1.05vw + 0.85rem, 1.2rem);
  font-weight: 400;
  line-height: 1.55;
  overflow-x: hidden;
}

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

a:hover { color: var(--sea); }

button, a { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 99;
  background: var(--signal);
  color: var(--foam);
  padding: 0.75rem 1rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.9rem;
}

.skip:focus { left: 1rem; top: 1rem; }

/* ——— Nav ——— */
.rail {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem var(--pad);
  background: color-mix(in srgb, var(--foam) 82%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.rail-end {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.langs {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.15rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--foam) 70%, transparent);
}

.lang {
  appearance: none;
  border: 0;
  background: transparent;
  min-height: 2rem;
  min-width: 2.25rem;
  padding: 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
  cursor: pointer;
}

.lang:hover { color: var(--fg); }

.lang.is-active,
.lang[aria-pressed="true"] {
  background: var(--sea-deep);
  color: var(--foam);
}

.mark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--sea-deep);
}

.mark:hover { color: var(--sea); }

.rail nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rail nav a { color: var(--muted); }
.rail nav a:hover { color: var(--fg); }

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 7rem var(--pad) 3.5rem;
  overflow: hidden;
}

.hero-horizon {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.horizon-layer {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.horizon-layer.foam {
  background:
    radial-gradient(ellipse 90% 55% at 50% -10%, var(--foam) 0%, transparent 55%),
    linear-gradient(180deg, var(--foam) 0%, transparent 42%);
  animation: horizon-drift 22s var(--ease) infinite alternate;
}

.horizon-layer.fog {
  background:
    radial-gradient(ellipse 80% 50% at 70% 35%, color-mix(in srgb, var(--fog) 55%, transparent), transparent 70%),
    linear-gradient(185deg, transparent 22%, var(--horizon) 52%, color-mix(in srgb, var(--fog) 70%, var(--bg)) 72%, transparent 92%);
  opacity: 0.72;
  animation: horizon-drift 28s var(--ease) infinite alternate-reverse;
}

.horizon-layer.sea {
  background: linear-gradient(
    180deg,
    transparent 58%,
    color-mix(in srgb, var(--sea) 18%, var(--bg)) 74%,
    color-mix(in srgb, var(--sea) 36%, var(--bg-2)) 90%,
    var(--sea) 100%
  );
  animation: horizon-drift 34s var(--ease) infinite alternate;
}

.horizon-layer.deep {
  background: linear-gradient(
    180deg,
    transparent 82%,
    color-mix(in srgb, var(--sea-deep) 28%, transparent) 94%,
    color-mix(in srgb, var(--sea-deep) 14%, transparent) 100%
  );
}

@keyframes horizon-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-1.8%, 1.2%, 0) scale(1.04); }
}

.corridor {
  position: absolute;
  inset: 8% 0 18%;
  width: 100%;
  height: auto;
  opacity: 0.55;
}

.corridor-line {
  stroke: var(--sea-deep);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 2.4s var(--ease);
}

.corridor.is-drawn .corridor-line {
  stroke-dashoffset: 0;
}

.corridor-node {
  fill: var(--foam);
  stroke: var(--sea-deep);
  stroke-width: 1.5;
  opacity: 0;
  transition: opacity 0.6s var(--ease) 1.6s;
}

.corridor.is-drawn .corridor-node { opacity: 1; }

.corridor-label {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--sea-deep);
  letter-spacing: 0.06em;
  opacity: 0;
  transition: opacity 0.5s var(--ease) 1.9s;
}

.corridor.is-drawn .corridor-label { opacity: 0.7; }

.hero-frame {
  position: relative;
  z-index: 1;
  width: min(var(--content), 100%);
  max-width: 56rem;
}

/* Soft mist wash so type stays AA over the horizon band — not a card */
.hero-frame::before {
  content: "";
  position: absolute;
  inset: -1.25rem -1rem -1.5rem -1.25rem;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--foam) 78%, transparent) 0%,
    color-mix(in srgb, var(--foam) 62%, transparent) 55%,
    color-mix(in srgb, var(--bg) 48%, transparent) 100%
  );
}

@media (min-width: 900px) {
  .hero-frame::before {
    inset: -2rem -4rem -2.5rem -3rem;
    background: linear-gradient(
      105deg,
      color-mix(in srgb, var(--foam) 72%, transparent) 0%,
      color-mix(in srgb, var(--foam) 35%, transparent) 55%,
      transparent 100%
    );
  }
}

.mark-xl {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-optical-sizing: auto;
  font-size: clamp(3.4rem, 9vw, 8.25rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
  color: var(--sea-deep);
}

.hero-line h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(1.55rem, 2.6vw, 2.55rem);
  line-height: 1.18;
  max-width: 28ch;
  color: var(--fg);
}

.hero-line em {
  font-style: italic;
  font-weight: 500;
  color: var(--signal);
}

.deck {
  margin: 1.15rem 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 0.9vw + 0.85rem, 1.2rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.35rem;
  margin-top: 2.15rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.35rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  background: var(--cta);
  color: var(--cta-fg);
  border-radius: 0;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}

.cta:hover {
  background: var(--cta-hover);
  color: var(--cta-fg);
}

.text-link {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--sea-deep);
}

.text-link span {
  display: inline-block;
  transition: transform 0.35s var(--ease);
}

.text-link:hover {
  color: var(--signal);
}

.text-link:hover span { transform: translateX(4px); }

/* ——— Origin ——— */
.origin {
  padding: clamp(4rem, 10vw, 7rem) var(--pad);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--fog) 28%, var(--bg)) 0%, var(--bg) 40%);
}

.origin-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(20rem, 1.35fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
  width: min(var(--content), 100%);
  margin-inline: auto;
}

.origin h2,
.band-intro h2,
.approach-sticky h2,
.close-inner h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--sea-deep);
}

.origin h2 em,
.band-intro em,
.approach-sticky em {
  font-style: italic;
  color: var(--signal);
}

.origin-copy {
  display: grid;
  gap: 1.25rem;
}

.origin-copy p {
  margin: 0;
  color: var(--muted);
  max-width: 44rem;
}

.origin-copy strong {
  color: var(--fg);
  font-weight: 600;
}

.facts {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 1.25rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  border-top: 1px solid var(--line);
}

.facts li {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts li span {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--sea-deep);
  text-transform: none;
}

.kicker {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sea);
}

/* ——— Work ——— */
.band {
  padding: clamp(4.5rem, 11vw, 8rem) var(--pad);
  background: var(--foam);
}

.band-intro {
  width: min(var(--content), 100%);
  margin-inline: auto;
  max-width: none;
  margin-bottom: 3.5rem;
}

.band-intro h2 {
  max-width: 22ch;
}

.case {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
  width: min(var(--content), 100%);
  margin-inline: auto;
  padding: 2.1rem 0;
  border-top: 1px solid var(--line);
}

.case:last-child { border-bottom: 1px solid var(--line); }

.case-index {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--sea);
  padding-top: 0.4rem;
}

.case-body h3 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  letter-spacing: -0.025em;
  color: var(--fg);
}

.tag {
  margin: 0.35rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-body p:last-child {
  margin: 0.85rem 0 0;
  color: var(--muted);
  max-width: 48rem;
  font-size: 1.05rem;
}

.case-body strong {
  color: var(--fg);
  font-weight: 600;
}

.case-code {
  font-family: var(--mono);
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--sea);
  padding-top: 0.45rem;
  white-space: nowrap;
  background: none;
  border: none;
}

/* ——— Approach ——— */
section.approach {
  display: grid;
  grid-template-columns: minmax(14rem, 0.85fr) minmax(20rem, 1.25fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
  padding: clamp(4rem, 10vw, 7rem) var(--pad);
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}

@media (min-width: 1100px) {
  section.approach {
    grid-template-columns: minmax(18rem, 0.75fr) minmax(24rem, 1.2fr);
    padding-left: max(var(--pad), calc((100% - var(--content)) / 2));
    padding-right: max(var(--pad), calc((100% - var(--content)) / 2));
  }

  .origin,
  .band,
  .close,
  .hero,
  .rail {
    padding-left: max(var(--pad), calc((100% - var(--content)) / 2));
    padding-right: max(var(--pad), calc((100% - var(--content)) / 2));
  }

  .origin-grid,
  .band-intro,
  .case {
    width: 100%;
    max-width: none;
  }

  .hero {
    display: grid;
    grid-template-columns: 1fr;
    align-items: end;
  }

  .hero-horizon {
    grid-column: 1;
    grid-row: 1;
  }

  .hero-frame {
    grid-column: 1;
    grid-row: 1;
    width: min(58rem, 100%);
    max-width: none;
  }

  .corridor {
    opacity: 0.65;
    inset: 6% 0 14%;
  }

  .mark-xl {
    font-size: clamp(5.5rem, 8.5vw, 9rem);
  }

  .hero-line h1 {
    max-width: 28ch;
    font-size: clamp(2rem, 2.5vw, 2.75rem);
  }

  .deck {
    max-width: 42rem;
    font-size: 1.22rem;
  }

  .close-inner {
    max-width: 44rem;
  }

  .case-body p:last-child {
    max-width: 52rem;
  }
}

.approach-sticky {
  position: sticky;
  top: 6rem;
  align-self: start;
}

.approach-copy {
  display: grid;
  gap: 1.65rem;
}

.approach-copy p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.2vw + 0.8rem, 1.18rem);
}

.approach-copy strong {
  color: var(--fg);
  font-weight: 600;
}

.pull {
  font-family: var(--display) !important;
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.4rem, 2.8vw, 2rem) !important;
  color: var(--sea-deep) !important;
  line-height: 1.3;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

/* ——— Contact (deep sea) ——— */
.close {
  min-height: 65svh;
  display: grid;
  align-items: end;
  padding: clamp(4rem, 12vw, 8rem) var(--pad) 4rem;
  background:
    linear-gradient(165deg, var(--sea) 0%, var(--sea-deep) 55%, #0f2a33 100%);
  color: var(--foam);
}

.close .kicker {
  color: var(--fog);
}

.close-inner h2 {
  color: var(--foam);
}

.mail {
  display: inline-block;
  margin-top: 2rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.8vw, 1.9rem);
  letter-spacing: -0.02em;
  color: var(--foam);
  border-bottom: 1px solid color-mix(in srgb, var(--foam) 45%, transparent);
  padding-bottom: 0.15rem;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.mail:hover {
  color: var(--foam);
  border-color: var(--foam);
}

.fine {
  margin: 1.25rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fog);
}

.fine a {
  color: var(--foam);
  border-bottom: 1px solid color-mix(in srgb, var(--foam) 35%, transparent);
}

.fine a:hover {
  color: var(--foam);
  border-color: var(--foam);
}

/* ——— Footer ——— */
.end {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.35rem var(--pad) 1.75rem;
  background: var(--sea-deep);
  border-top: 1px solid color-mix(in srgb, var(--foam) 12%, transparent);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fog);
}

/* ——— Reveal ——— */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

[data-reveal].in {
  opacity: 1;
  transform: none;
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .origin-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .case { grid-template-columns: 2.75rem 1fr auto; }
  section.approach { grid-template-columns: 1fr; }
  .approach-sticky { position: static; }
  .corridor { opacity: 0.4; inset: 12% 0 22%; }
}

@media (max-width: 560px) {
  .rail {
    flex-wrap: wrap;
    row-gap: 0.35rem;
  }
  .rail-end {
    width: 100%;
    justify-content: space-between;
  }
  .rail nav { gap: 0.85rem; font-size: 0.68rem; }
  .rail nav a {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0.35rem 0;
  }
  .case {
    grid-template-columns: 1fr auto;
    gap: 0.75rem 1rem;
  }
  .case-index {
    grid-column: 1 / -1;
    margin-bottom: -0.35rem;
    padding-top: 0;
  }
  .hero { padding-bottom: 2.75rem; }
  .corridor-label { font-size: 9px; }
}

@media (max-width: 375px) {
  .rail nav { gap: 0.65rem; }
  .mark-xl { font-size: clamp(2.75rem, 14vw, 3.4rem); }
}

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

  .horizon-layer {
    animation: none !important;
  }

  .corridor-line {
    stroke-dashoffset: 0;
    transition: none;
  }

  .corridor-node,
  .corridor-label {
    opacity: 0.7;
    transition: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .text-link:hover span { transform: none; }
}