:root {
  --tunnel-black: #07080a;
  --wet-concrete: #2b3036;
  --drainage-blue: #3e6478;
  --sodium-orange: #c9842e;
  --valve-green: #4a5e47;
  --warning-vermilion: #c73a26;
  --waterline-silver: #8fa3b3;
  --sludge-olive: #2f2d22;
  --utility-cream: #ebe6d8;
  --ink: #121416;
  --flow-x: 42%;
  --flow-y: 48%;
  --header-h: 4.4rem;
  --font-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --font-body: "Mukta", "Helvetica Neue", sans-serif;
  --font-mono: "Tektur", "Courier New", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden !important;
  max-width: 100vw;
  position: relative;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden !important;
  max-width: 100vw;
  position: relative;
  background: var(--tunnel-black);
  color: var(--utility-cream);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  min-height: 100vh;
}

body.is-locked {
  overflow: hidden !important;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button,
input,
textarea {
  font-family: inherit;
}

ul {
  list-style: none;
}

.site-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url("../images/damp-concrete.jpg");
  background-size: cover;
  opacity: 0.09;
  mix-blend-mode: overlay;
}

.site-wrap {
  position: relative;
  z-index: 1;
  max-width: 100%;
  overflow-x: clip;
}

section,
header,
footer,
main {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 0.9;
}

.intake-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(7, 8, 10, 0.96) 0%, rgba(43, 48, 54, 0.92) 100%);
  border-bottom: 1px solid rgba(143, 163, 179, 0.28);
  backdrop-filter: blur(8px);
}

.intake-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  min-height: var(--header-h);
}

.logo-lock {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
}

.logo-lock img {
  width: 2.6rem;
  height: 2.6rem;
  object-fit: cover;
  border: 1px solid var(--waterline-silver);
}

.logo-word {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  color: var(--utility-cream);
}

.flow-readout {
  display: none;
  margin-left: 1rem;
  padding: 0.2rem 0.55rem 0.2rem 0.7rem;
  border-left: 3px solid var(--valve-green);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--waterline-silver);
  gap: 0.55rem;
}

.flow-readout b {
  color: var(--valve-green);
  font-weight: 600;
}

.gate-nav {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 0.35rem;
}

.gate-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--waterline-silver);
  padding: 0.45rem 0.55rem;
  border: 1px solid transparent;
}

.gate-code:hover,
.gate-code.is-on {
  color: var(--utility-cream);
  border-color: var(--drainage-blue);
  background: rgba(62, 100, 120, 0.18);
}

.intake-bar .btn-gate {
  display: none;
}

.gate-burger {
  margin-left: auto;
  width: 3rem;
  height: 2.4rem;
  background: var(--tunnel-black);
  border: 1px solid var(--waterline-silver);
  color: var(--utility-cream);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.32rem;
  cursor: pointer;
}

.gate-burger span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--utility-cream);
}

.tunnel-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--tunnel-black);
  display: none;
  flex-direction: column;
  padding: 1.4rem;
  overflow-y: auto;
}

.tunnel-drawer.is-open {
  display: flex !important;
}

.drawer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.drawer-close {
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--warning-vermilion);
  background: transparent;
  color: var(--utility-cream);
  cursor: pointer;
  font-family: var(--font-mono);
}

.tunnel-drawer a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 7vw, 2.6rem);
  letter-spacing: 0.08em;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(143, 163, 179, 0.2);
}

.overflow-hero {
  position: relative;
  min-height: 100vh;
  padding: 1.2rem 1rem 2.4rem;
  overflow-x: clip;
  background-color: var(--tunnel-black);
  background-image:
    radial-gradient(ellipse at var(--flow-x) var(--flow-y), rgba(201, 132, 46, 0.22), transparent 38%),
    radial-gradient(ellipse at 12% 88%, rgba(62, 100, 120, 0.28), transparent 42%),
    linear-gradient(180deg, rgba(7, 8, 10, 0.35), rgba(7, 8, 10, 0.72)),
    url("../images/hero-tunnel.jpg");
  background-size: auto, auto, cover, cover;
  background-position: center;
}

.overflow-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 18%;
  background: linear-gradient(180deg, transparent, var(--tunnel-black));
  pointer-events: none;
}

.overflow-hero::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 18%;
  top: 22%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--drainage-blue), transparent);
  opacity: 0.45;
  pointer-events: none;
}

.hero-stage {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 1180px;
  margin: 0 auto;
}

.gate-value {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 6vw, 2.4rem);
  color: var(--warning-vermilion);
  border: 1px solid var(--warning-vermilion);
  padding: 0.45rem 0.7rem;
  background: rgba(7, 8, 10, 0.62);
  animation: plate-lock 0.8s ease both;
}

.plate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: stretch;
  max-width: 42rem;
}

.gate-plate {
  background: linear-gradient(180deg, rgba(43, 48, 54, 0.88), rgba(7, 8, 10, 0.9));
  border: 1px solid var(--waterline-silver);
  padding: 0.7rem 0.85rem 0.55rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  animation: plate-lock 0.9s ease both;
}

.gate-plate:nth-child(2) {
  transform: translate(0.6rem, 0.5rem);
  animation-delay: 0.12s;
}

.gate-plate:nth-child(3) {
  transform: translate(-0.3rem, 0.85rem);
  animation-delay: 0.22s;
}

.gate-plate h1,
.gate-plate .h-frag {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8vw, 4.4rem);
  letter-spacing: 0.04em;
  line-height: 0.86;
  color: var(--utility-cream);
  text-transform: uppercase;
}

.gate-map {
  width: min(100%, 34rem);
  justify-self: end;
  margin-top: 0.4rem;
}

.gate-map svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.route-draw {
  stroke-dasharray: 640;
  stroke-dashoffset: 640;
  animation: route-fill 2.4s ease forwards 0.3s;
}

.inspection-note {
  width: min(100%, 28rem);
  background: var(--utility-cream);
  color: var(--ink);
  padding: 1.1rem 1.15rem 1.2rem;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: 8px 12px 0 rgba(47, 45, 34, 0.45);
  animation: hatch-in 0.9s ease 0.4s both;
}

.inspection-note .mono {
  color: var(--drainage-blue);
  font-size: 0.72rem;
  margin-bottom: 0.35rem;
}

.inspection-note p {
  font-size: 0.98rem;
}

.gate-locks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.gate-lock {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--waterline-silver);
  padding: 0.38rem 0.55rem;
  color: var(--waterline-silver);
  background: rgba(7, 8, 10, 0.55);
  opacity: 0;
  animation: stamp-in 0.45s ease forwards;
}

.gate-lock:nth-child(1) { animation-delay: 0.8s; }
.gate-lock:nth-child(2) { animation-delay: 1.05s; }
.gate-lock:nth-child(3) { animation-delay: 1.3s; }

.gate-lock.is-live,
.gate-lock {
  border-left: 4px solid var(--valve-green);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.4rem;
}

.btn-gate {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--warning-vermilion);
  color: var(--utility-cream);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 1.15rem 0.8rem 0.9rem;
  border: 0;
  cursor: pointer;
}

.btn-gate .notch {
  width: 0.55rem;
  height: 1.15rem;
  background: var(--tunnel-black);
  transition: transform 0.2s ease;
}

.btn-gate::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 1.15rem;
  bottom: 0.35rem;
  height: 2px;
  background: var(--drainage-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.btn-gate:hover .notch {
  transform: translateX(2px);
}

.btn-gate:hover::after {
  transform: scaleX(1);
}

.btn-gate.dark {
  background: var(--tunnel-black);
  color: var(--utility-cream);
  border: 1px solid var(--waterline-silver);
}

.btn-runoff {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--drainage-blue);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 0.35rem;
}

.btn-runoff::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
}

.btn-runoff:hover::after {
  height: 3px;
  background: linear-gradient(90deg, var(--drainage-blue), var(--sodium-orange));
}

.btn-runoff:hover::before {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warning-vermilion);
}

.btn-gate.full {
  width: 100%;
  justify-content: center;
}

.gate-state-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.7rem 1rem;
  background: var(--wet-concrete);
  border-top: 3px solid var(--warning-vermilion);
  border-bottom: 1px solid var(--waterline-silver);
}

.gate-tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--utility-cream);
  background: var(--tunnel-black);
  border: 1px solid var(--waterline-silver);
  padding: 0.45rem 0.6rem;
  white-space: nowrap;
}

.gate-tag span {
  color: var(--sodium-orange);
}

.pressure-buildup,
.routed-outputs,
.pressure-drop,
.service-gates,
.flow-proof,
.routing-method,
.routing-sequence,
.stable-outlet,
.contact-intake,
.page-hero,
.legal-shell,
.thanks-shell,
.faq-block,
.contact-grid {
  padding: 3.2rem 1rem;
  overflow-x: hidden;
  max-width: 100%;
}

.pressure-buildup {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201, 132, 46, 0.14), transparent 40%),
    linear-gradient(180deg, var(--tunnel-black), var(--sludge-olive));
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--sodium-orange);
  margin-bottom: 0.6rem;
}

.wet-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 4.2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.88;
  max-width: 16ch;
}

.label-frame {
  display: inline-block;
  background: var(--utility-cream);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 3rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.7rem 0.3rem;
  border-left: 8px solid var(--warning-vermilion);
  margin: 0.4rem 0 1.2rem;
}

.intake-panel {
  position: relative;
  margin-top: 1.4rem;
  min-height: 16rem;
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.2), rgba(7, 8, 10, 0.55)),
    url("../images/wet-channel.jpg") center/cover;
  border: 1px solid var(--waterline-silver);
}

.intake-panel::after {
  content: "INTAKE / WL-09";
  position: absolute;
  left: 0.8rem;
  bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--utility-cream);
}

.note-stack {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.inspect-card {
  background: var(--utility-cream);
  color: var(--ink);
  padding: 1rem 1.05rem 1.1rem;
  border-top: 4px solid var(--drainage-blue);
  position: relative;
}

.inspect-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.inspect-card .cap {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--drainage-blue);
  margin-bottom: 0.25rem;
}

.seam {
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--drainage-blue) 0 10px,
    transparent 10px 18px
  );
  opacity: 0.55;
  margin: 0.2rem 0;
}

.routed-outputs {
  background:
    radial-gradient(circle at 10% 80%, rgba(62, 100, 120, 0.2), transparent 35%),
    var(--tunnel-black);
}

.tunnel-cluster {
  position: relative;
  display: grid;
  gap: 0.8rem;
}

.primary-outlet {
  background:
    linear-gradient(120deg, rgba(7, 8, 10, 0.28), rgba(7, 8, 10, 0.7)),
    url("../images/tunnel-outlet.jpg") center/cover;
  min-height: 22rem;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--waterline-silver);
}

.primary-outlet h3,
.channel-card h3 {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.primary-outlet h3 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  max-width: 16ch;
}

.flow-caption,
.meta-line {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sodium-orange);
  text-transform: uppercase;
}

.channel-wrap {
  display: grid;
  gap: 0.7rem;
}

.channel-card {
  background: var(--wet-concrete);
  border: 1px solid rgba(143, 163, 179, 0.35);
  padding: 0.9rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--sodium-orange);
}

.channel-card img {
  width: 100%;
  height: 8.5rem;
  object-fit: cover;
  margin-bottom: 0.65rem;
  filter: saturate(0.85) contrast(1.05);
}

.trio {
  display: grid;
  gap: 0.25rem;
  margin-top: 0.45rem;
  font-size: 0.9rem;
}

.trio b {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--valve-green);
  letter-spacing: 0.08em;
}

.pressure-drop {
  background:
    linear-gradient(110deg, var(--tunnel-black) 0 42%, var(--drainage-blue) 42% 100%);
  position: relative;
}

.pressure-drop .wet-title {
  font-size: clamp(2.4rem, 9vw, 5.4rem);
  max-width: 14ch;
}

.pressure-drop .inspect-card {
  max-width: 28rem;
  margin-top: 1.3rem;
  margin-left: auto;
}

.float-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--utility-cream);
  border-left: 2px solid var(--warning-vermilion);
  padding-left: 0.6rem;
  margin-top: 1rem;
  max-width: 18rem;
}

.service-gates {
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.55), rgba(7, 8, 10, 0.78)),
    url("../images/pipe-junction.jpg") center/cover;
}

.channel-map {
  position: relative;
  min-height: auto;
  margin-top: 1.2rem;
}

.svc-gate {
  background: rgba(7, 8, 10, 0.82);
  border: 1px solid var(--waterline-silver);
  padding: 1rem;
  margin-bottom: 0.7rem;
}

.svc-gate.primary {
  border-color: var(--warning-vermilion);
  background: rgba(199, 58, 38, 0.12);
}

.svc-gate h2,
.svc-gate h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.svc-gate p {
  margin-top: 0.35rem;
}

.flow-proof {
  background: var(--wet-concrete);
}

.proof-split {
  display: grid;
  gap: 0.8rem;
}

.overflow-block {
  background:
    linear-gradient(180deg, rgba(47, 45, 34, 0.55), rgba(7, 8, 10, 0.75)),
    url("../images/overflow-weir.jpg") center/cover;
  min-height: 16rem;
  padding: 1.1rem;
  border: 1px dashed var(--warning-vermilion);
}

.stable-block {
  background: var(--utility-cream);
  color: var(--ink);
  padding: 1.2rem;
  border-left: 10px solid var(--valve-green);
}

.stable-block h3,
.overflow-block h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.8rem;
}

.proof-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}

.proof-marks li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  padding: 0.28rem 0.45rem;
}

.counter-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: 1rem;
}

.counter {
  background: var(--tunnel-black);
  color: var(--utility-cream);
  padding: 0.7rem;
}

.counter b {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--sodium-orange);
  display: block;
}

.counter span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.routing-method {
  background: var(--tunnel-black);
}

.method-lead {
  display: grid;
  gap: 1rem;
}

.method-lead img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border: 1px solid var(--waterline-silver);
}

.routing-sequence {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(201, 132, 46, 0.12), transparent 40%),
    var(--sludge-olive);
}

.seq-track {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.seq-step {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.7rem;
  align-items: start;
  background: rgba(7, 8, 10, 0.55);
  padding: 0.75rem;
  border-left: 3px solid var(--drainage-blue);
}

.seq-step strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: var(--sodium-orange);
}

.seq-step h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.35rem;
}

.label-marquee {
  overflow: hidden;
  max-width: 100vw;
  background: var(--tunnel-black);
  border-top: 1px solid var(--waterline-silver);
  border-bottom: 1px solid var(--waterline-silver);
}

.marquee-row {
  display: flex;
  gap: 0.5rem;
  width: max-content;
  padding: 0.55rem 0;
}

.marquee-row.left {
  animation: drift-left 38s linear infinite;
}

.marquee-row.right {
  animation: drift-right 46s linear infinite;
}

.marquee-row span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--utility-cream);
  border: 1px solid var(--waterline-silver);
  padding: 0.28rem 0.7rem;
  white-space: nowrap;
  background: var(--wet-concrete);
}

.stable-outlet {
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.45), rgba(7, 8, 10, 0.72)),
    url("../images/black-water-reflect.jpg") center/cover;
  min-height: 22rem;
  display: grid;
  place-items: center;
}

.cta-plate {
  width: min(100%, 40rem);
  background: rgba(43, 48, 54, 0.82);
  border: 1px solid var(--waterline-silver);
  padding: 1.4rem 1.2rem;
  text-align: left;
}

.cta-plate h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.6rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 0.9;
  margin-bottom: 0.8rem;
}

.cta-plate .tiny {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--waterline-silver);
}

.contact-intake {
  background: var(--utility-cream);
  color: var(--ink);
}

.contact-intake a {
  color: var(--drainage-blue);
}

.contact-preview {
  display: grid;
  gap: 0.8rem;
}

.contact-preview .plate {
  background: var(--tunnel-black);
  color: var(--utility-cream);
  padding: 1rem;
}

.map-frame {
  border: 1px solid var(--waterline-silver);
  min-height: 14rem;
}

.map-frame iframe {
  width: 100%;
  height: 16rem;
  border: 0;
  filter: grayscale(0.35) contrast(1.05);
}

.tunnel-directory {
  background: var(--tunnel-black);
  color: var(--waterline-silver);
  padding: 2rem 1rem 1.4rem;
  border-top: 4px solid var(--drainage-blue);
}

.dir-grid {
  display: grid;
  gap: 1.2rem;
}

.dir-grid h2 {
  font-family: var(--font-display);
  color: var(--utility-cream);
  letter-spacing: 0.1em;
  font-size: 1.2rem;
}

.dir-grid a,
.dir-grid p {
  font-size: 0.95rem;
  margin: 0.2rem 0;
}

.copyline {
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.page-hero {
  min-height: 42vh;
  display: grid;
  align-content: end;
  background-size: cover;
  background-position: center;
  border-bottom: 3px solid var(--warning-vermilion);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 5rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.88;
  max-width: 14ch;
}

.ph-about { background-image: linear-gradient(180deg, rgba(7,8,10,.2), rgba(7,8,10,.72)), url("../images/sluice-gate.jpg"); }
.ph-services { background-image: linear-gradient(180deg, rgba(7,8,10,.25), rgba(7,8,10,.75)), url("../images/gate-chamber.jpg"); }
.ph-portfolio { background-image: linear-gradient(180deg, rgba(7,8,10,.2), rgba(7,8,10,.7)), url("../images/overflow-weir.jpg"); }
.ph-contact { background-image: linear-gradient(180deg, rgba(7,8,10,.25), rgba(7,8,10,.75)), url("../images/inspection-hatch.jpg"); }
.ph-legal { background-image: linear-gradient(180deg, rgba(7,8,10,.35), rgba(7,8,10,.82)), url("../images/maintenance-plate.jpg"); }
.ph-thanks { background-image: linear-gradient(180deg, rgba(7,8,10,.3), rgba(7,8,10,.78)), url("../images/black-water-reflect.jpg"); }

.prose {
  max-width: 46rem;
}

.prose p,
.legal-body p {
  margin: 0.85rem 0;
}

.prose h2,
.legal-body h2 {
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  margin: 1.6rem 0 0.5rem;
}

.prose h3,
.legal-body h3 {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 1.2rem;
  margin: 1.2rem 0 0.4rem;
  color: var(--sodium-orange);
}

.image-ledge {
  margin: 1.2rem 0;
}

.image-ledge img {
  width: 100%;
  max-height: 22rem;
  object-fit: cover;
  border: 1px solid var(--waterline-silver);
}

.faq-block {
  background: var(--tunnel-black);
}

.faq-item {
  border-bottom: 1px solid rgba(143, 163, 179, 0.25);
}

.faq-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--utility-cream);
  border: 0;
  padding: 0.95rem 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item button::after {
  content: "+";
  color: var(--warning-vermilion);
  font-size: 1.4rem;
}

.faq-item.is-open button::after {
  content: "–";
}

.faq-item .answer {
  display: none;
  padding: 0 0 1rem;
  color: var(--waterline-silver);
}

.faq-item.is-open .answer {
  display: block;
}

.intake-form {
  background: var(--utility-cream);
  color: var(--ink);
  padding: 1.1rem;
  border: 1px solid var(--wet-concrete);
  box-shadow: inset 0 8px 0 var(--drainage-blue);
}

.field {
  margin-bottom: 0.9rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.28rem;
}

.field input,
.field textarea {
  width: 100%;
  background: #f7f4ec;
  border: 1px solid var(--wet-concrete);
  color: var(--ink);
  padding: 0.7rem 0.65rem;
  font-size: 1rem;
}

.field textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--drainage-blue);
  border-color: var(--drainage-blue);
}

.field.is-bad input,
.field.is-bad textarea {
  border-color: var(--warning-vermilion);
  background: #f7e8e4;
}

.err {
  display: none;
  font-size: 0.82rem;
  color: var(--warning-vermilion);
  margin-top: 0.2rem;
}

.field.is-bad .err {
  display: block;
}

.legal-shell {
  background: var(--utility-cream);
  color: var(--ink);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.4rem;
}

.legal-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--wet-concrete);
  padding: 0.35rem 0.5rem;
  color: var(--ink);
}

.legal-body {
  max-width: 48rem;
}

.thanks-shell {
  min-height: 70vh;
  display: grid;
  place-items: center;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: none;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.stagger > * {
  opacity: 0;
  transform: translateY(12px);
}

.stagger.is-in > * {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.stagger.is-in > *:nth-child(2) { transition-delay: 0.08s; }
.stagger.is-in > *:nth-child(3) { transition-delay: 0.16s; }
.stagger.is-in > *:nth-child(4) { transition-delay: 0.24s; }
.stagger.is-in > *:nth-child(5) { transition-delay: 0.32s; }
.stagger.is-in > *:nth-child(6) { transition-delay: 0.4s; }

.icon-line {
  width: 28px;
  height: 28px;
  stroke: var(--sodium-orange);
  fill: none;
  stroke-width: 1.6;
}

.icon-line path,
.icon-line circle,
.icon-line polyline {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
}

.is-in .icon-line path,
.is-in .icon-line circle,
.is-in .icon-line polyline {
  animation: line-draw 1.1s ease forwards;
}

.shimmer {
  position: relative;
}

.shimmer::after {
  content: "";
  position: absolute;
  inset: auto 0 12% 0;
  height: 8px;
  background: linear-gradient(90deg, transparent, rgba(143, 163, 179, 0.35), transparent);
  animation: water-shimmer 7s ease-in-out infinite;
  pointer-events: none;
}

.cluster-b .primary-outlet {
  background-image: linear-gradient(120deg, rgba(7,8,10,.3), rgba(7,8,10,.72)), url("../images/sluice-gate.jpg");
}

.cluster-c .primary-outlet {
  background-image: linear-gradient(120deg, rgba(7,8,10,.3), rgba(7,8,10,.72)), url("../images/wet-channel.jpg");
}

@keyframes plate-lock {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}

@keyframes hatch-in {
  from { opacity: 0; transform: translateX(-16px) rotate(-1deg); }
  to { opacity: 1; transform: none; }
}

@keyframes stamp-in {
  from { opacity: 0; transform: scale(0.92) translateY(6px); }
  to { opacity: 1; transform: none; }
}

@keyframes route-fill {
  to { stroke-dashoffset: 0; }
}

@keyframes line-draw {
  to { stroke-dashoffset: 0; }
}

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

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

@keyframes water-shimmer {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.45; }
}

@media (min-width: 720px) {
  .flow-readout {
    display: inline-flex;
  }

  .note-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .channel-wrap {
    grid-template-columns: 1fr 1fr;
  }

  .proof-split {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .dir-grid {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
  }

  .seq-track {
    grid-template-columns: 1fr 1fr;
  }

  .method-lead {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .contact-preview,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1025px) {
  .gate-nav,
  .intake-bar .btn-gate {
    display: flex;
  }

  .gate-burger {
    display: none;
  }

  .hero-stage {
    grid-template-columns: 1.1fr 0.9fr;
    grid-template-areas:
      "value map"
      "plates map"
      "note locks"
      "actions actions";
    align-items: start;
  }

  .gate-value { grid-area: value; }
  .plate-row { grid-area: plates; }
  .gate-map { grid-area: map; margin-top: 0; }
  .inspection-note { grid-area: note; }
  .gate-locks { grid-area: locks; align-self: end; }
  .hero-actions { grid-area: actions; }

  .pressure-buildup .build-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1rem;
    align-items: start;
  }

  .tunnel-cluster {
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
    grid-template-rows: auto auto;
  }

  .primary-outlet {
    grid-row: 1 / span 2;
    min-height: 32rem;
  }

  .cluster-b {
    grid-template-columns: 0.7fr 1.4fr 0.9fr;
  }

  .cluster-b .primary-outlet {
    grid-column: 2;
  }

  .cluster-c {
    grid-template-columns: 1fr 1fr 1.3fr;
  }

  .cluster-c .primary-outlet {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .channel-map {
    min-height: 38rem;
  }

  .svc-gate {
    position: absolute;
    width: min(22rem, 38%);
    margin: 0;
  }

  .svc-gate.g1 { top: 0; left: 0; width: min(28rem, 46%); }
  .svc-gate.g2 { top: 1.5rem; right: 0; }
  .svc-gate.g3 { top: 13.5rem; left: 18%; }
  .svc-gate.g4 { top: 18rem; right: 6%; }
  .svc-gate.g5 { bottom: 1rem; left: 0; }
  .svc-gate.g6 { bottom: 0; right: 12%; }

  .svc-gate h2,
  .svc-gate h3 {
    cursor: default;
  }

  .route-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  .pressure-drop .wet-title {
    margin-left: -0.4rem;
  }

  .seq-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .par-shift {
    transition: transform 0.4s ease;
  }
}

@media (max-width: 1024px) {
  .svc-gate > p:not(.meta-line) {
    display: none;
  }

  .svc-gate.is-open > p:not(.meta-line) {
    display: block;
  }

  .svc-gate h2::after,
  .svc-gate h3::after {
    content: " +";
    color: var(--warning-vermilion);
  }

  .svc-gate.is-open h2::after,
  .svc-gate.is-open h3::after {
    content: " –";
  }

  .overflow-hero {
    background-image:
      linear-gradient(180deg, rgba(7, 8, 10, 0.4), rgba(7, 8, 10, 0.78)),
      url("../images/hero-tunnel.jpg");
  }

  .btn-gate.full-m {
    width: 100%;
  }
}

@media (hover: hover) and (min-width: 1025px) {
  .channel-card:hover img {
    filter: saturate(1) contrast(1.08);
  }
}