/* GOBLINLAB LTD — continuous current system */
:root {
  --estuary: #285e5c;
  --silt: #e9dfc8;
  --clay: #b65c45;
  --reed: #c5a34c;
  --peat: #1d2924;
  --marsh: #66785d;
  --lilac: #8d7f92;
  --foam: #f8f5eb;
  --stone: #91978e;
  --brackish: #567a83;
  --serif: "Libre Caslon Display", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "Public Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --text: #24302b;
  --muted: #5c655e;
  --line: rgba(29, 41, 36, 0.16);
  --focus: #c5a34c;
  --nav-h: 5.25rem;
  --gutter: clamp(1.1rem, 4vw, 4.5rem);
}

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

html {
  scroll-behavior: smooth;
  background: var(--silt);
}

html:focus-within { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--silt);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.6;
  letter-spacing: -0.011em;
  overflow-x: clip;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--peat);
  color: var(--foam);
  padding: 0.6rem 1rem;
}
.skip:focus { top: 1rem; }

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

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  opacity: 0.055;
  background-image: url("../images/grain.png");
  mix-blend-mode: multiply;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: var(--nav-h);
  padding: 0.85rem var(--gutter);
  background: var(--foam);
}
.site-header.is-open { background: var(--peat); }
.site-header.is-open .logo-mark { color: var(--foam); }
.site-header.is-open .logo-sub { color: var(--reed); }

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
  min-width: 9rem;
}
.logo-mark {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--peat);
  line-height: 1;
}
.logo-sub {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.nav-desktop {
  display: flex;
  justify-content: center;
  gap: clamp(1.4rem, 3.2vw, 3.4rem);
  margin-left: clamp(-2rem, -4vw, 0);
  list-style: none;
  padding: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.nav-desktop a {
  position: relative;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.35rem 0 0.55rem;
}
.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 99px;
  background: var(--clay);
  transform: translateX(-50%);
  transition: width 0.35s var(--ease);
}
.nav-desktop a:hover::after,
.nav-desktop a[aria-current="page"]::after {
  width: 1.15rem;
}
.nav-desktop a[aria-current="page"]::after { background: var(--reed); }

.header-cta { justify-self: end; }

.nav-toggle {
  display: none;
  width: 2.8rem;
  height: 2.8rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 0.55rem;
  width: 1.55rem;
  height: 2px;
  background: var(--peat);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span { top: 50%; }
.nav-toggle span::before,
.nav-toggle span::after { content: ""; left: 0; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.is-open .nav-toggle span { background: transparent; }
.is-open .nav-toggle span::before { top: 0; transform: rotate(28deg); background: var(--foam); }
.is-open .nav-toggle span::after { top: 0; transform: rotate(-28deg); background: var(--foam); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--peat);
  padding: 6.5rem 0 3rem;
  transform: translateY(-8%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.7s var(--ease);
}
.nav-mobile.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.nav-mobile a {
  display: block;
  color: var(--foam);
  text-decoration: none;
  font-family: var(--serif);
  line-height: 1.15;
  border-bottom: 1px solid rgba(248, 245, 235, 0.08);
}
.nav-mobile a:nth-child(1) { padding: 0.9rem 8% 0.9rem 8%; font-size: 1.7rem; color: var(--foam); }
.nav-mobile a:nth-child(2) { padding: 1rem 10% 1rem 16%; font-size: 2rem; color: var(--reed); }
.nav-mobile a:nth-child(3) { padding: 1.1rem 8% 1.1rem 24%; font-size: 2.25rem; color: var(--foam); }
.nav-mobile a:nth-child(4) { padding: 1.2rem 8% 1.2rem 34%; font-size: 2.55rem; color: var(--clay); }
.nav-mobile a:nth-child(5) { padding: 1.35rem 8% 1.5rem 14%; font-size: 1.85rem; color: var(--foam); }

.btn {
  --btn-bg: var(--clay);
  --btn-fg: var(--foam);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.65rem;
  border: 0;
  background: var(--btn-bg);
  color: var(--btn-fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  border-radius: 1.35rem 0.18rem 1.35rem 0.18rem;
  cursor: pointer;
  transition: padding 0.4s var(--ease), border-radius 0.45s var(--ease), background-color 0.35s var(--ease);
}
.btn:hover {
  padding-left: 2.05rem;
  padding-right: 2.05rem;
  border-radius: 0.18rem 1.35rem 0.18rem 1.35rem;
}
.btn-reed { --btn-bg: var(--reed); --btn-fg: var(--peat); }
.btn-peat { --btn-bg: var(--peat); --btn-fg: var(--foam); }
.btn-foam { --btn-bg: var(--foam); --btn-fg: var(--peat); }

.link-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-weight: 500;
}
.link-line i {
  display: inline-block;
  width: 1.4rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: width 0.45s var(--ease);
}
.link-line:hover i { width: 2.6rem; }

.micro {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.96;
  margin: 0;
}

.lede {
  max-width: 38rem;
  color: var(--muted);
}

.grade {
  filter: saturate(0.82) contrast(1.04) sepia(0.08);
}
.grade-quiet { filter: saturate(0.7) contrast(1.06); }

.mask-shore { clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%); }
.mask-taper { clip-path: polygon(8% 0, 100% 4%, 92% 100%, 0 96%); }
.mask-concave { clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 88%); }
.mask-island { clip-path: polygon(3% 8%, 97% 0, 100% 90%, 6% 100%, 0 18%); }
.mask-soft {
  border-radius: 42% 8% 28% 12% / 18% 32% 10% 40%;
}

/* HEADWATERS */
.headwaters {
  position: relative;
  min-height: 100vh;
  padding: 2.2rem var(--gutter) 3.2rem;
  display: grid;
  grid-template-columns: minmax(14rem, 1.05fr) minmax(12rem, 0.95fr);
  grid-template-rows: auto auto minmax(28vh, 1fr) auto;
  column-gap: 4%;
  align-items: start;
  background:
    linear-gradient(180deg, var(--foam) 0%, var(--silt) 42%, var(--estuary) 100%);
  overflow: visible;
}
.headwaters::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  width: 0;
  height: 58%;
  background: var(--estuary);
  opacity: 0.18;
  border-radius: 0 40% 50% 0 / 0 30% 40% 0;
  transition: width 1.1s var(--ease);
}
.headwaters.is-loaded::before { width: min(38vw, 26rem); }

.headwaters-source {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  opacity: 0;
  transform: translateY(8px);
}
.headwaters.is-loaded .headwaters-source {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.headwaters-title {
  position: relative;
  grid-column: 1;
  grid-row: 2;
  width: min(100%, 22rem);
  margin: 1.1rem 0 0;
  font-size: clamp(2.8rem, 7vw, 6.4rem);
  color: var(--peat);
  opacity: 0;
  transform: translateY(10px);
}
.headwaters.is-loaded .headwaters-title {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease) 0.12s, transform 0.8s var(--ease) 0.12s;
}

.headwaters-copy {
  position: relative;
  grid-column: 2;
  grid-row: 2;
  width: min(28rem, 100%);
  justify-self: end;
  align-self: end;
  margin: 0;
  color: var(--peat);
  opacity: 0;
  transform: translateY(16px);
}
.headwaters.is-loaded .headwaters-copy {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease) 0.7s, transform 0.8s var(--ease) 0.7s;
}

.headwaters-aperture {
  position: relative;
  grid-column: 1 / -1;
  grid-row: 3;
  width: 42%;
  max-width: 54rem;
  justify-self: center;
  align-self: stretch;
  margin: 1.6rem 0 0;
  min-height: 28vh;
  overflow: hidden;
  border-radius: 0.2rem 2.8rem 0.2rem 3.6rem;
  clip-path: inset(0 38% 0 38%);
}
.headwaters.is-loaded .headwaters-aperture {
  width: min(86%, 72rem);
  clip-path: inset(0 2% 0 2%);
  transition: width 1.15s var(--ease) 0.35s, clip-path 1.15s var(--ease) 0.35s;
}
.headwaters-aperture img {
  width: 100%;
  height: min(56vh, 34rem);
  object-fit: cover;
  object-position: 50% 60%;
}

.headwaters-cta {
  position: relative;
  grid-column: 2;
  grid-row: 4;
  justify-self: end;
  margin: 1.2rem 0 0;
  width: fit-content;
  opacity: 0;
  transform: translateY(12px);
}
.headwaters.is-loaded .headwaters-cta {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease) 0.95s, transform 0.7s var(--ease) 0.95s;
}

/* FIRST BEND */
.bend {
  position: relative;
  background: var(--silt);
  padding: 8rem var(--gutter) 9rem;
  display: grid;
  grid-template-columns: minmax(12rem, 22%) 1fr minmax(18rem, 48%);
  gap: 2rem;
  align-items: end;
}
.bend::before {
  content: "";
  position: absolute;
  left: 32%;
  top: 8%;
  bottom: 10%;
  width: 18%;
  background: color-mix(in srgb, var(--foam) 70%, var(--silt));
  border-radius: 50% 40% 45% 55%;
  opacity: 0.7;
}
.bend-note {
  position: relative;
  max-width: 16rem;
  font-size: 0.98rem;
  color: var(--muted);
}
.bend-statement {
  position: relative;
  grid-column: 3;
  font-size: clamp(2.2rem, 4.6vw, 4.4rem);
  text-align: right;
  color: var(--peat);
}

/* TWO BANKS */
.banks {
  position: relative;
  min-height: 88vh;
  padding: 5rem var(--gutter) 7rem;
  background:
    linear-gradient(90deg, var(--foam) 0 28%, transparent 28% 72%, color-mix(in srgb, var(--estuary) 16%, var(--silt)) 72% 100%);
  display: grid;
  grid-template-columns: minmax(14rem, 28%) 1fr minmax(14rem, 28%);
  align-items: center;
  gap: 1rem;
}
.bank {
  position: relative;
  max-width: 22rem;
  transform: translateX(0);
  transition: transform 0.9s var(--ease);
}
.bank-left { justify-self: start; }
.bank-right { justify-self: end; text-align: right; }
.banks.is-near .bank-left { transform: translateX(12%); }
.banks.is-near .bank-right { transform: translateX(-12%); }
.bank h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  margin: 0.4rem 0 0.8rem;
  line-height: 1.05;
}
.bank-mid {
  min-height: 12rem;
}

/* MAIN CURRENT */
.current {
  position: relative;
  min-height: 140vh;
  padding: 6rem var(--gutter) 5rem;
  background: var(--estuary);
  color: var(--foam);
  overflow: hidden;
}
.current::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 18%;
  width: 42%;
  height: 70%;
  background: color-mix(in srgb, var(--peat) 55%, var(--estuary));
  border-radius: 45% 20% 50% 18%;
  opacity: 0.35;
}
.current-kicker { color: var(--reed); }
.current h2 {
  position: relative;
  width: min(52%, 28rem);
  font-size: clamp(2.6rem, 5.5vw, 5.2rem);
  margin: 0.8rem 0 2rem;
}
.current-copy {
  position: relative;
  width: min(42%, 32rem);
  margin-left: 18%;
  margin-bottom: 4rem;
  color: color-mix(in srgb, var(--foam) 88%, var(--silt));
}
.current-figure {
  position: relative;
  width: min(68%, 48rem);
  margin: 0 0 4rem auto;
}
.current-figure img {
  width: 100%;
  height: min(52vh, 32rem);
  object-fit: cover;
  border-radius: 0.15rem 3.2rem 0.15rem 4rem;
}
.current-points {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem 4rem;
  width: min(75%, 52rem);
  padding-bottom: 2rem;
}
.current-points h3 {
  font-family: var(--serif);
  font-size: 1.45rem;
  margin: 0 0 0.4rem;
}
.current-points p { max-width: 16rem; color: color-mix(in srgb, var(--foam) 80%, var(--stone)); }

/* DISTRIBUTARIES */
.distributaries {
  position: relative;
  padding: 6.5rem 0 8rem;
  background:
    linear-gradient(180deg, var(--estuary) 0 4rem, var(--silt) 9rem, var(--foam) 100%);
}
.distributaries-intro {
  width: min(48%, 34rem);
  margin: 0 auto 5rem;
  text-align: center;
  padding: 0 1.2rem;
}
.distributaries-intro h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  margin: 0.5rem 0 1rem;
}
.branch-wrap { position: relative; display: grid; gap: 4.5rem; }
.branch {
  position: relative;
  padding: 0 var(--gutter);
}
.branch h3 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  margin: 0.35rem 0 0.7rem;
  line-height: 1.1;
}
.branch p { color: var(--muted); }
.branch-a { width: min(45%, 36rem); margin-left: 6%; }
.branch-b { width: min(28%, 24rem); margin-left: auto; margin-right: 8%; }
.branch-c { width: min(60%, 46rem); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.5rem; align-items: end; }
.branch-c img {
  height: 16rem;
  width: 100%;
  object-fit: cover;
  clip-path: polygon(6% 0, 100% 8%, 94% 100%, 0 92%);
}
.branch-d { width: min(35%, 28rem); margin-left: 18%; }
.branch-e { width: min(42%, 32rem); margin-left: auto; margin-right: 12%; }

/* OXBOW */
.oxbow {
  position: relative;
  min-height: 72vh;
  padding: 5rem var(--gutter);
  background: color-mix(in srgb, var(--lilac) 38%, var(--stone));
}
.oxbow-field {
  width: min(32rem, 42%);
  margin-left: auto;
  margin-right: 4%;
  background: color-mix(in srgb, var(--foam) 82%, var(--lilac));
  border-radius: 46% 38% 42% 50% / 42% 48% 38% 52%;
  padding: 3.5rem 2.8rem 3.2rem;
}
.oxbow-field img {
  width: 7.5rem;
  height: 5.2rem;
  object-fit: cover;
  border-radius: 1.8rem 0.4rem 1.6rem 0.5rem;
  margin-top: 1.4rem;
}
.oxbow h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1.15;
  margin: 0.5rem 0 0;
}

/* CONFLUENCE */
.confluence {
  position: relative;
  padding: 7rem var(--gutter) 8rem;
  background: var(--foam);
  min-height: 100vh;
}
.confluence-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 3rem;
}
.confluence-head h2 {
  width: min(40%, 24rem);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
}
.case-switch {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
}
.case-switch button {
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  color: var(--stone);
  padding: 0.15rem 0;
  text-align: right;
  transition: color 0.4s var(--ease), transform 0.5s var(--ease);
}
.case-switch button[aria-pressed="true"] {
  color: var(--peat);
  transform: translateX(-0.4rem);
}
.case-stage {
  position: relative;
  min-height: 36rem;
}
.case-panel {
  display: none;
  grid-template-columns: 1.35fr 0.8fr;
  gap: 3rem;
  align-items: end;
}
.case-panel.is-active { display: grid; animation: settle 0.8s var(--ease); }
.case-panel img {
  width: 100%;
  height: min(52vh, 34rem);
  object-fit: cover;
  clip-path: polygon(0 4%, 100% 0, 96% 100%, 3% 94%);
}
.case-meta h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  margin: 0 0 1rem;
  line-height: 1.05;
}
.case-dl {
  display: grid;
  gap: 0.85rem;
}
.case-dl div { max-width: 28rem; }
.case-dl dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.15rem;
}
.case-dl dd { margin: 0; color: var(--muted); }

@keyframes settle {
  from { opacity: 0.35; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* OPEN WATER */
.open-water {
  min-height: 78vh;
  display: grid;
  place-items: center;
  background: var(--foam);
  position: relative;
}
.open-water p {
  width: min(25%, 18rem);
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.25;
  margin: 0;
}
.open-water .micro { margin-bottom: 1rem; display: block; text-align: center; }
.open-mark {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--clay);
  border-radius: 40% 20% 50% 30%;
  margin: 1.4rem auto 0;
}

/* BRAID */
.braid {
  padding: 7rem var(--gutter) 6rem;
  background: var(--silt);
  border-top: 0;
}
.braid-head {
  width: min(36%, 26rem);
  margin-bottom: 4rem;
}
.braid-head h2 { font-size: clamp(2.2rem, 4vw, 3.5rem); margin: 0.4rem 0 0; }
.braid-streams {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(1rem, 4vw, 4rem);
  align-items: start;
}
.stream {
  background: color-mix(in srgb, var(--foam) 75%, var(--silt));
  padding: 1.6rem 1.3rem 2.4rem;
  border-radius: 1.8rem 0.25rem 2.4rem 0.3rem;
  min-height: 22rem;
  transition: transform 0.8s var(--ease);
}
.stream:nth-child(1) { transform: translateY(0); }
.stream:nth-child(2) { transform: translateY(2.5rem); }
.stream:nth-child(3) { transform: translateY(1.2rem); }
.braid.is-near .stream { transform: translateY(4.8rem); }
.stream h3 {
  font-family: var(--serif);
  font-size: 1.7rem;
  margin: 0.3rem 0 1rem;
}
.stream ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.1rem;
}
.stream li strong { display: block; font-weight: 600; }
.stream li span { color: var(--muted); font-size: 0.95rem; }
.braid-end {
  margin-top: -1rem;
  background: var(--estuary);
  color: var(--foam);
  padding: 2.2rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  border-radius: 0.2rem 2rem 0.2rem 2.4rem;
  position: relative;
  z-index: 1;
}
.braid-end h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0;
}

/* FLOODPLAIN */
.floodplain {
  padding: 8rem var(--gutter) 7rem;
  background:
    linear-gradient(180deg, var(--marsh) 0 18%, color-mix(in srgb, var(--marsh) 35%, var(--silt)) 18% 48%, var(--silt) 48% 78%, var(--foam) 78% 100%);
  color: var(--peat);
}
.floodplain h2 {
  width: min(50%, 34rem);
  font-size: clamp(2.3rem, 4.2vw, 3.8rem);
  margin: 0 0 4.5rem;
  color: var(--foam);
}
.flood-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6rem 4rem;
  width: min(94%, 78rem);
  margin-left: auto;
}
.flood-item:nth-child(1) { margin-top: 0; }
.flood-item:nth-child(2) { margin-top: 6rem; }
.flood-item:nth-child(3) { margin-top: 2rem; }
.flood-item:nth-child(4) { margin-top: -2rem; grid-column: 1; }
.flood-item:nth-child(5) { margin-top: 3rem; grid-column: 3; }
.flood-item h3 {
  font-family: var(--serif);
  font-size: 1.7rem;
  margin: 0.3rem 0 0.7rem;
}
.flood-item p { max-width: 22rem; }
.flood-item img {
  width: min(100%, 22rem);
  height: 14rem;
  object-fit: cover;
  margin-bottom: 1rem;
  clip-path: polygon(0 0, 100% 7%, 94% 100%, 4% 93%);
}

/* SEDIMENT */
.sediment {
  padding: 6.5rem var(--gutter) 7rem;
  background: var(--silt);
}
.sediment-stack {
  display: grid;
  gap: 3.5rem;
  justify-items: start;
}
.sediment-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
}
.sediment-top article { max-width: 16rem; }
.sediment-mid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  width: min(78%, 54rem);
  margin-left: 12%;
}
.sediment-mid article { max-width: 16rem; }
.sediment-end {
  width: min(52%, 36rem);
  margin-left: auto;
  margin-right: 6%;
}
.sediment-end p {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height: 1.12;
}
.sediment h3 { font-size: 1.05rem; margin: 0.25rem 0 0.4rem; }

/* ESTUARY COMPANY */
.estuary-co {
  padding: 8rem var(--gutter) 7rem;
  background:
    radial-gradient(120% 80% at 50% 40%, var(--foam) 0%, var(--silt) 55%, color-mix(in srgb, var(--estuary) 18%, var(--silt)) 100%);
  text-align: center;
}
.estuary-co .display {
  font-size: clamp(3.4rem, 10vw, 9.5rem);
  color: var(--peat);
}
.estuary-co .company-copy {
  max-width: 40rem;
  margin: 1.8rem auto 3rem;
  text-align: left;
}
.estuary-co figure {
  width: min(72%, 52rem);
  margin: 0 auto 3.5rem;
}
.estuary-co img {
  width: 100%;
  height: min(42vh, 26rem);
  object-fit: cover;
  border-radius: 48% 12% 40% 16% / 18% 36% 12% 40%;
}
.principles {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 5rem);
  text-align: left;
  flex-wrap: wrap;
}
.principles article { max-width: 16rem; }

/* SHORELINE */
.shoreline {
  padding: 6rem var(--gutter) 7rem;
  background: var(--foam);
  display: grid;
  grid-template-columns: 0.35fr 0.65fr;
  gap: 2rem;
}
.shoreline h2 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  max-width: 16rem;
}
.cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.cap-list li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.8rem;
  padding: 1.05rem 0 1.05rem 0;
  border-bottom: 1px solid var(--line);
}
.cap-list li:nth-child(1) { padding-left: 8%; }
.cap-list li:nth-child(2) { padding-left: 18%; }
.cap-list li:nth-child(3) { padding-left: 4%; }
.cap-list li:nth-child(4) { padding-left: 26%; }
.cap-list li:nth-child(5) { padding-left: 12%; }
.cap-list li:nth-child(6) { padding-left: 32%; }
.cap-list li:nth-child(7) { padding-left: 6%; }
.cap-list li:nth-child(8) { padding-left: 20%; }
.cap-list li:nth-child(9) { padding-left: 14%; }
.cap-list li:nth-child(10) { padding-left: 28%; }
.cap-list strong { display: block; font-size: 1.05rem; }
.cap-list span { color: var(--muted); font-size: 0.92rem; }
.cap-num { font-family: var(--mono); font-size: 0.72rem; color: var(--clay); padding-top: 0.3rem; }

/* TIDAL */
.tidal {
  padding: 5.5rem 0 6.5rem;
  background: var(--silt);
  overflow: hidden;
}
.tidal-line {
  overflow: hidden;
  white-space: nowrap;
}
.tidal-track {
  display: inline-flex;
  gap: 2.5rem;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  color: var(--peat);
  animation: drift-left 48s linear infinite;
}
.tidal-b .tidal-track {
  animation-name: drift-right;
  animation-duration: 36s;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  color: var(--estuary);
}
.tidal-gap { height: 4.8rem; }
@keyframes drift-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes drift-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }

/* LOW TIDE */
.low-tide {
  min-height: 42vh;
  background: var(--peat);
  padding: 3rem var(--gutter) 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.low-tide-line {
  width: min(28%, 14rem);
  height: 2px;
  background: var(--reed);
}
.low-tide p {
  color: var(--foam);
  font-family: var(--serif);
  font-size: 1.35rem;
  max-width: 22rem;
  margin: 0;
}

/* MOUTH CTA */
.mouth {
  min-height: 88vh;
  padding: 6rem var(--gutter) 5rem;
  background: var(--clay);
  color: var(--foam);
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.mouth h2 {
  width: min(70%, 48rem);
  font-size: clamp(3rem, 7.5vw, 7rem);
  color: var(--foam);
}
.mouth p {
  width: min(32rem, 40%);
  margin-top: 2rem;
  color: color-mix(in srgb, var(--foam) 88%, var(--silt));
}
.mouth .btn { justify-self: end; align-self: end; }

/* CONTACT SHORE */
.contact-shore {
  padding: 7.5rem var(--gutter) 6rem;
  background: var(--foam);
}
.contact-shore-row {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 1fr 1.3fr;
  gap: 1.5rem;
  align-items: start;
  padding-top: 3.5rem;
  border-top: 1px solid var(--line);
}
.contact-shore a { text-decoration: none; }
.contact-shore a:hover { color: var(--estuary); }
.contact-shore h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 2.5rem;
}

/* FOOTER */
.deep-channel {
  background: var(--peat);
  color: color-mix(in srgb, var(--foam) 86%, var(--stone));
  padding: 2.4rem var(--gutter) 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr;
  gap: 2rem;
  font-size: 0.92rem;
}
.deep-channel a { color: var(--foam); text-decoration: none; }
.deep-channel a:hover { color: var(--reed); }
.deep-channel h2, .deep-channel h3 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--reed);
  margin: 0 0 0.7rem;
  font-weight: 500;
}
.deep-channel nav { display: flex; flex-direction: column; gap: 0.35rem; }
.footer-accent {
  width: 2.2rem;
  height: 3px;
  background: var(--clay);
  border-radius: 2px;
  margin-bottom: 0.8rem;
}

/* PAGE SHELLS */
.page-head {
  padding: 4.5rem var(--gutter) 3rem;
  background: var(--foam);
}
.page-head h1 {
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  max-width: 18rem;
}
.page-head.wide h1 {
  max-width: none;
  width: min(92%, 64rem);
  font-size: clamp(2.2rem, 5.4vw, 4.6rem);
  line-height: 1.05;
}
.page-head p { max-width: 32rem; color: var(--muted); margin-top: 1.2rem; }

/* SERVICES CURRENT */
.service-current { padding: 0 0 5rem; background: var(--silt); }
.svc {
  padding: 4.5rem var(--gutter);
  position: relative;
}
.svc:nth-child(odd) { background: color-mix(in srgb, var(--silt) 80%, var(--foam)); }
.svc-inner { display: grid; gap: 1rem; }
.svc-01 { width: 40%; }
.svc-02 { width: 55%; margin-left: 8%; }
.svc-03 { width: 70%; margin-left: 12%; }
.svc-04 { width: 85%; margin-left: 4%; }
.svc-05 { width: 100%; padding-right: var(--gutter); }
.svc-close {
  width: 42%;
  margin: 2rem auto 5rem;
  text-align: center;
}
.svc h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin: 0.3rem 0 1rem;
  line-height: 1.05;
}
.svc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}
.svc img {
  width: min(100%, 28rem);
  height: 16rem;
  object-fit: cover;
  margin-top: 1rem;
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
}

/* ABOUT LANDSCAPE */
.about-wide {
  padding: 0 var(--gutter) 4rem;
  background: var(--foam);
}
.about-wide p {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.8vw, 3.1rem);
  line-height: 1.18;
  width: min(96%, 68rem);
}
.about-narrow {
  width: min(36%, 26rem);
  margin: 0 0 5rem 8%;
  padding: 0 var(--gutter) 0 0;
}
.about-image {
  width: min(82%, 62rem);
  margin: 0 0 5rem auto;
}
.about-image img {
  width: 100%;
  height: min(56vh, 34rem);
  object-fit: cover;
  clip-path: polygon(0 0, 100% 6%, 96% 100%, 0 92%);
}
.about-open {
  min-height: 40vh;
  display: grid;
  place-items: center;
  background: var(--silt);
  margin-bottom: 4rem;
}
.about-open p {
  font-family: var(--serif);
  font-size: 1.6rem;
  width: min(28rem, 50%);
  text-align: center;
}
.about-principles {
  display: grid;
  grid-template-columns: 0.4fr 0.6fr;
  gap: 2rem;
  padding: 0 var(--gutter) 6rem;
  background: var(--silt);
}
.about-principles ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.4rem;
}
.about-principles li { max-width: 34rem; margin-left: auto; }

/* WORK ISLANDS */
.island-page { padding: 2rem var(--gutter) 6rem; background: var(--foam); }
.island {
  margin-bottom: 18vh;
  max-width: 52rem;
}
.island h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin: 0.4rem 0 1rem;
}
.island img {
  width: 100%;
  object-fit: cover;
  margin-bottom: 1.2rem;
}
.island-a { margin-right: auto; }
.island-a img { height: 28rem; clip-path: polygon(0 0, 100% 5%, 94% 100%, 0 96%); }
.island-b { margin-left: auto; text-align: right; }
.island-b img { height: 22rem; clip-path: polygon(6% 0, 100% 0, 100% 100%, 0 90%); }
.island-c { width: min(78%, 58rem); margin: 0 auto 18vh; text-align: center; }
.island-c img { height: 18rem; clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%); }
.island-d { width: min(34%, 26rem); margin: 0 0 18vh 22%; }
.island-d img { height: 11rem; }
.island-e { width: 100%; max-width: none; margin-bottom: 4rem; }
.island-e img { height: 20rem; clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 92%); }

/* CONTACT ENDPOINT */
.estuary-end { padding: 0 var(--gutter) 4rem; background: var(--foam); }
.estuary-end h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  max-width: 28rem;
}
.contact-early {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin: 3rem 0 5rem;
  max-width: 58rem;
}
.form-block {
  width: min(72%, 44rem);
  margin-left: 8%;
  padding-bottom: 5rem;
}
.field { margin-bottom: 1.6rem; position: relative; }
.field label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--stone);
  border-radius: 0 0 0.4rem 0;
  padding: 0.7rem 0.8rem 0.7rem 0;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field textarea { min-height: 8.5rem; resize: vertical; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-bottom-color: var(--estuary);
  box-shadow: inset 6px 0 0 var(--estuary);
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-bottom-color: var(--clay); }
.field-error {
  display: none;
  color: var(--clay);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}
.field.has-error .field-error { display: block; }
.form-success {
  display: none;
  background: color-mix(in srgb, var(--marsh) 22%, var(--foam));
  color: var(--peat);
  padding: 1rem 1.1rem;
  margin-bottom: 1.2rem;
  border-radius: 0.2rem 1.2rem 0.2rem 1rem;
}
.form-success.is-on { display: block; }
.map-low {
  width: 100%;
  height: 9.5rem;
  background:
    linear-gradient(90deg, var(--estuary), var(--marsh) 40%, var(--clay) 78%, var(--reed));
  clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 80%);
  margin-top: 2rem;
}

/* REVEAL */
html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.8s var(--ease);
}
html.js .reveal.is-in { opacity: 1; transform: none; }

/* LEGAL */
.legal {
  padding: 3rem var(--gutter) 5rem;
  max-width: 44rem;
}

@media (max-width: 980px) {
  .nav-desktop, .header-cta { display: none; }
  .nav-toggle { display: block; justify-self: end; }
  .site-header { grid-template-columns: 1fr auto; }
  .nav-mobile { display: block; }
  .headwaters {
    display: flex;
    flex-direction: column;
    min-height: 0;
  }
  .headwaters-title,
  .headwaters-copy,
  .headwaters-source,
  .headwaters-cta {
    width: 100%;
    margin: 1rem 0 0;
    opacity: 1;
    transform: none;
    clip-path: none;
  }
  .headwaters-aperture,
  .headwaters.is-loaded .headwaters-aperture {
    width: 100%;
    clip-path: none;
    min-height: 0;
    margin-top: 1.8rem;
  }
  .headwaters-aperture img { height: 52vw; min-height: 16rem; }
  .headwaters-cta { margin-left: 12%; justify-self: start; align-self: start; }
  .bend, .banks, .branch-c, .confluence-head, .case-panel,
  .braid-streams, .flood-grid, .sediment-top, .sediment-mid,
  .shoreline, .contact-shore-row, .deep-channel, .svc-grid,
  .about-principles, .contact-early {
    display: block;
  }
  .bend-statement { margin-top: 2.5rem; text-align: left; }
  .bank-right { text-align: left; margin-top: 3rem; }
  .banks.is-near .bank-left,
  .banks.is-near .bank-right { transform: none; }
  .current h2, .current-copy, .current-figure, .current-points,
  .branch-a, .branch-b, .branch-c, .branch-d, .branch-e,
  .oxbow-field, .open-water p, .braid-head, .floodplain h2,
  .sediment-end, .svc-01, .svc-02, .svc-03, .svc-04, .svc-05,
  .svc-close, .about-narrow, .form-block {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .branch { padding-bottom: 1rem; }
  .branch-b, .branch-e { margin-top: 0; }
  .oxbow-field { border-radius: 2.4rem 0.6rem 2.8rem 0.8rem; }
  .case-switch { display: none; }
  .case-panel,
  .case-panel.is-active {
    display: block;
    margin-bottom: 4.5rem;
    animation: none;
  }
  .case-switch { align-items: flex-start; margin-top: 1.5rem; }
  .stream { min-height: 0; transform: none !important; margin-bottom: 1rem; }
  .braid-end { flex-direction: column; }
  .flood-item { margin-top: 2.5rem !important; }
  .cap-list li { padding-left: 0 !important; }
  .mouth h2, .mouth p { width: 100%; }
  .mouth .btn { justify-self: start; margin-top: 3rem; }
  .island, .island-c, .island-d, .island-e { width: 100%; margin-left: 0; text-align: left; }
  .island { margin-bottom: 8vh; }
  .about-wide p, .about-open p { width: 100%; }
  .mask-shore, .mask-taper, .mask-concave, .mask-island {
    clip-path: none;
    border-radius: 1.1rem 0.25rem 1.4rem 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .headwaters-title { opacity: 1; transform: none; }
  .headwaters-aperture { width: min(78%, 68rem); clip-path: none; }
  .headwaters-source, .headwaters-copy, .headwaters-cta { opacity: 1; transform: none; }
  .tidal-track { animation: none !important; white-space: normal; display: block; }
  .reveal { opacity: 1; transform: none; }
}