:root {
  --ink: #0b0e12;
  --ink-2: #12171f;
  --fog: #e6edf4;
  --fog-2: #f4f7fa;
  --muted: #5c6775;
  --red: #ff2f3a;
  --red-deep: #d41928;
  --cyan: #2ee6c5;
  --cyan-dim: rgba(46, 230, 197, 0.18);
  --line: rgba(244, 247, 250, 0.12);
  --line-dark: rgba(11, 14, 18, 0.12);
  --radius: 4px;
  --shell: min(1120px, calc(100% - 2.5rem));
  --display: "Unbounded", system-ui, sans-serif;
  --body: "Source Serif 4", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--fog-2);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--red-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.sr-only,
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--red);
  color: var(--ink);
  padding: 0.6rem 1rem;
  font-family: var(--display);
  font-size: 0.8rem;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.9rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.menu-toggle:focus-visible,
.tab-list button:focus-visible,
.composer-lanes label:focus-within,
.contact-form :focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.button-primary {
  background: var(--red);
  color: var(--ink);
  border-color: var(--red);
}

.button-primary:hover {
  background: #ff4d56;
  color: var(--ink);
}

.button-ghost {
  background: transparent;
  color: var(--fog-2);
  border-color: rgba(244, 247, 250, 0.35);
}

.button-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 14, 18, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand img {
  width: min(188px, 42vw);
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.main-nav a {
  color: var(--fog);
  text-decoration: none;
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: var(--cyan);
}

.main-nav .nav-action {
  background: var(--red);
  color: var(--ink);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
}

.main-nav .nav-action:hover {
  background: #ff4d56;
  color: var(--ink);
}

.menu-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.28rem auto;
  background: var(--fog-2);
}

/* Hero */
.hero {
  background: var(--ink);
  color: var(--fog-2);
  overflow: clip;
}

.hero-stage {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: center;
  padding: 4.5rem 0 3rem;
}

.hero-photo {
  position: absolute;
  inset: 0;
  background:
    url("./assets/images/signal-lattice-hero.jpg") center / cover no-repeat;
  transform: scale(1.04);
}

.hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(11, 14, 18, 0.94) 0%, rgba(11, 14, 18, 0.78) 42%, rgba(11, 14, 18, 0.45) 68%, rgba(11, 14, 18, 0.72) 100%),
    radial-gradient(ellipse 70% 55% at 78% 42%, rgba(255, 47, 58, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 40% at 12% 80%, rgba(46, 230, 197, 0.1), transparent 50%);
}

.hero-lattice {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 247, 250, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 247, 250, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 30%, #000 100%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: end;
  width: var(--shell);
  margin-inline: auto;
}

.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 1.25rem;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-kicker span {
  color: var(--cyan);
}

.hero-kicker b {
  font-weight: 600;
  color: rgba(244, 247, 250, 0.65);
}

.hero-logo {
  width: min(420px, 88vw);
  margin-bottom: 1.1rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6.2vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero h1 em {
  font-style: normal;
  color: var(--red);
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: 28ch;
  font-size: 1.15rem;
  color: rgba(244, 247, 250, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-board {
  background: linear-gradient(165deg, rgba(18, 23, 31, 0.95), rgba(11, 14, 18, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1rem 1.1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.board-chrome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.55);
}

.board-chrome b {
  color: var(--cyan);
  font-weight: 600;
}

.lattice-stage {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
  align-items: end;
  min-height: 220px;
  padding: 0.5rem 0.25rem 0.75rem;
  background:
    linear-gradient(180deg, transparent 0%, rgba(255, 47, 58, 0.06) 100%),
    repeating-linear-gradient(
      180deg,
      transparent,
      transparent 21px,
      rgba(244, 247, 250, 0.06) 21px,
      rgba(244, 247, 250, 0.06) 22px
    );
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.lane {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  height: 100%;
  justify-content: flex-end;
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0.35rem 0.15rem;
  cursor: pointer;
  color: inherit;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.2s var(--ease);
}

.lane:hover,
.lane:focus-visible,
.lane.is-hot {
  background: rgba(255, 47, 58, 0.12);
  transform: translateY(-3px);
}

.lane span {
  order: 2;
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.7);
}

.lane.is-hot span {
  color: var(--cyan);
}

.lane i {
  order: 1;
  display: block;
  width: 100%;
  max-width: 42px;
  height: var(--h);
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--red));
  box-shadow: 0 0 18px rgba(255, 47, 58, 0.35);
  animation: pulse-bar 3.2s var(--ease) infinite;
  animation-delay: calc(var(--d, 0) * 0.35s);
  transform-origin: bottom;
}

.lane.is-hot i {
  box-shadow: 0 0 28px rgba(46, 230, 197, 0.55);
}

.lane[data-pulse="1"] i { --d: 0; }
.lane[data-pulse="2"] i { --d: 1; }
.lane[data-pulse="3"] i { --d: 2; }
.lane[data-pulse="4"] i { --d: 3; }
.lane[data-pulse="5"] i { --d: 4; }

@keyframes pulse-bar {
  0%,
  100% {
    transform: scaleY(1);
    filter: brightness(1);
  }
  50% {
    transform: scaleY(0.86);
    filter: brightness(1.15);
  }
}

.board-note {
  margin: 0.75rem 0 0;
  font-family: var(--display);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.45);
}

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
  padding: 0.85rem 0;
}

.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.55);
}

.marquee-track span:nth-child(odd) {
  color: var(--red);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red-deep);
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(1.85rem, 3.8vw, 2.85rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.section-lede {
  margin: 0 0 2rem;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.lanes-section {
  background:
    linear-gradient(180deg, #dce5ee 0%, var(--fog) 40%, #edf2f7 100%);
}

.lane-grid {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.lane-grid button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 1.15rem 1rem;
  background: rgba(244, 247, 250, 0.72);
  border: 0;
  border-left: 3px solid var(--red);
  min-height: 8.2rem;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.lane-grid button:hover,
.lane-grid button:focus-visible {
  transform: translateY(-4px);
  background: #fff;
  border-left-color: var(--cyan);
  box-shadow: 0 14px 30px rgba(11, 14, 18, 0.1);
}

.lane-grid b {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--red-deep);
}

.lane-grid span {
  font-family: var(--display);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.lane-grid em {
  margin-top: auto;
  font-family: var(--display);
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.craft-strip {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr 1.15fr;
  gap: 0.85rem;
}

.craft-tile {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  min-height: 220px;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}

.craft-tile.is-active {
  border-color: var(--red);
  transform: translateY(-3px);
}

.craft-tile img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease), filter 0.35s;
  filter: saturate(0.85);
}

.craft-tile.is-active img,
.craft-tile:hover img {
  transform: scale(1.05);
  filter: saturate(1.1);
}

.craft-tile span {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  padding: 0.35rem 0.55rem;
  background: rgba(11, 14, 18, 0.78);
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.craft-caption {
  margin: 0.85rem 0 0;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.services-section {
  background: var(--ink);
  color: var(--fog-2);
}

.services-section .section-kicker {
  color: var(--cyan);
}

.services-section .section-lede {
  color: rgba(244, 247, 250, 0.68);
}

.service-tabs {
  display: grid;
  gap: 1.25rem;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tab-list button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: rgba(244, 247, 250, 0.7);
  font-family: var(--display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.tab-list button[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--ink);
}

.tab-list button:hover:not([aria-selected="true"]) {
  border-color: var(--cyan);
  color: var(--cyan);
}

.tab-panels {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 47, 58, 0.08), transparent 40%),
    var(--ink-2);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  min-height: 280px;
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel header {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.panel-code {
  margin: 0;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.tab-panel h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.panel-price {
  margin: 0.25rem 0 0;
  font-family: var(--display);
  font-size: 1rem;
  color: rgba(244, 247, 250, 0.7);
}

.panel-price strong {
  color: var(--red);
  font-size: 1.55rem;
  font-weight: 700;
}

.panel-price span {
  font-size: 0.85rem;
}

.tab-panel > p {
  margin: 0 0 1rem;
  color: rgba(244, 247, 250, 0.78);
  max-width: 60ch;
}

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

.tab-panel li {
  padding: 0.75rem 0.85rem;
  border-left: 2px solid var(--cyan);
  background: rgba(0, 0, 0, 0.25);
  color: rgba(244, 247, 250, 0.82);
  font-size: 0.98rem;
}

.tab-panel li b {
  color: var(--fog-2);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.2rem;
}

/* Reach Composer */
.reach-section {
  background:
    linear-gradient(180deg, #f7fafc 0%, #e8eef5 100%);
}

.composer {
  display: grid;
  grid-template-columns: 0.7fr 1fr 0.95fr;
  gap: 1rem;
  align-items: stretch;
}

.composer-rack {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  align-content: end;
  min-height: 220px;
  padding: 0.85rem;
  background: var(--ink);
  border-radius: var(--radius);
  border: 1px solid rgba(244, 247, 250, 0.08);
}

.rack-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  min-height: 160px;
}

.rack-bar span {
  order: 2;
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.45);
}

.rack-bar i {
  order: 1;
  display: block;
  width: 100%;
  max-width: 28px;
  height: 8%;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--red));
  transition: height 0.45s var(--ease), opacity 0.3s;
  opacity: 0.35;
}

.rack-bar.is-on span {
  color: var(--cyan);
}

.rack-bar.is-on i {
  opacity: 1;
  box-shadow: 0 0 16px rgba(255, 47, 58, 0.35);
}

.composer-lanes {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  gap: 0.45rem;
}

.composer-lanes label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.composer-lanes label:hover,
.composer-lanes label:has(input:checked) {
  border-color: var(--red);
  background: rgba(255, 47, 58, 0.06);
}

.composer-lanes input {
  accent-color: var(--red);
  width: 1.05rem;
  height: 1.05rem;
  margin-right: 0.65rem;
}

.composer-lanes span {
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  font-family: var(--body);
  font-size: 0.95rem;
}

.composer-out {
  background: var(--ink);
  color: var(--fog-2);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border: 1px solid transparent;
  background-image:
    linear-gradient(var(--ink), var(--ink)),
    linear-gradient(135deg, var(--red), var(--cyan));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.composer-label {
  margin: 0;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.composer-out h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.composer-price {
  margin: 0;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--red);
}

.composer-price small {
  font-size: 0.75rem;
  color: rgba(244, 247, 250, 0.6);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.composer-out ul {
  margin: 0.25rem 0 0.5rem;
  padding-left: 1.1rem;
  color: rgba(244, 247, 250, 0.78);
}

.composer-bound {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: rgba(244, 247, 250, 0.62);
}

.composer-out .button {
  align-self: start;
  margin-top: auto;
}

/* Path */
.path-section {
  background: var(--fog);
}

.path-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: stretch;
}

.path-steps {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.path-step {
  padding: 1.25rem 1.1rem;
  background: var(--fog-2);
  border: 0;
  border-top: 3px solid var(--ink);
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s;
}

.path-step:hover,
.path-step.is-active {
  transform: translateY(-3px);
  border-top-color: var(--red);
  background: #fff;
}

.path-step b {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red-deep);
}

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

.path-visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 100%;
  background: var(--ink);
  position: relative;
}

.path-visual img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
  transition: opacity 0.35s;
}

.path-visual figcaption {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  padding: 0.4rem 0.65rem;
  background: rgba(11, 14, 18, 0.82);
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Bounds */
.bounds-section {
  position: relative;
  background: var(--ink-2);
  color: var(--fog-2);
  overflow: clip;
}

.bounds-photo {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(18, 23, 31, 0.94) 0%, rgba(18, 23, 31, 0.82) 55%, rgba(18, 23, 31, 0.55) 100%),
    url("./assets/images/signal-ribbon.jpg") right center / cover no-repeat;
  pointer-events: none;
}

.bounds-section .shell {
  position: relative;
}

.bounds-section .section-kicker {
  color: var(--cyan);
}

.bounds-section .section-lede {
  color: rgba(244, 247, 250, 0.65);
  margin-bottom: 1.25rem;
}

.bounds-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.bounds-gauge {
  margin: 0;
  max-width: 240px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.bounds-gauge img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

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

.bounds-list li {
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--red);
  background: rgba(0, 0, 0, 0.28);
}

/* FAQ */
.faq-section {
  background: linear-gradient(180deg, #f2f6fa, #e7eef5);
}

.faq-list {
  display: grid;
  gap: 0.55rem;
  max-width: 720px;
}

.faq-list details {
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 0.15rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  padding: 1rem 0;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  list-style: none;
}

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

.faq-list details[open] summary {
  color: var(--red-deep);
}

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

/* Contact */
.contact-section {
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(255, 47, 58, 0.12), transparent 55%),
    var(--fog-2);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: start;
}

.contact-visual {
  margin: 1.25rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  max-width: 420px;
}

.contact-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.contact-facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-facts li {
  display: grid;
  gap: 0.15rem;
}

.contact-facts b {
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  padding: 1.35rem;
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
}

.contact-form label span {
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  font: inherit;
  background: var(--fog-2);
  color: var(--ink);
}

.contact-form textarea {
  resize: vertical;
  min-height: 8rem;
}

.form-status {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.95rem;
  color: var(--muted);
}

.form-status.is-ok {
  color: #0f7a5a;
}

.form-status.is-err {
  color: var(--red-deep);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(244, 247, 250, 0.7);
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
}

.footer-brand img {
  width: min(200px, 55vw);
  margin-bottom: 0.55rem;
}

.footer-industry {
  margin: 0;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}

.footer-links a {
  color: rgba(244, 247, 250, 0.72);
  text-decoration: none;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links a:hover {
  color: var(--red);
}

.footer-copy {
  margin: 0;
  font-size: 0.9rem;
}

/* Policy pages */
.policy-page {
  background: var(--fog-2);
  color: var(--ink);
}

.policy-header {
  background: var(--ink);
  color: var(--fog-2);
  border-bottom: 1px solid var(--line);
}

.policy-header .header-inner {
  min-height: 4.5rem;
}

.policy-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.policy-actions .back-link {
  color: var(--fog);
  text-decoration: none;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.policy-actions .back-link:hover {
  color: var(--cyan);
}

.policy-main {
  padding: 3.5rem 0 4.5rem;
}

.policy-main h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.policy-meta {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.policy-main h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.policy-main p,
.policy-main li {
  color: #33404d;
  max-width: 68ch;
}

.policy-main ul {
  padding-left: 1.2rem;
}

/* Chapter dock */
.chapter-dock {
  position: fixed;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%) translateX(120%);
  z-index: 30;
  display: grid;
  gap: 0.35rem;
  padding: 0.55rem;
  background: rgba(11, 14, 18, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s var(--ease), opacity 0.35s;
}

.chapter-dock.is-visible {
  transform: translateY(-50%);
  opacity: 1;
  pointer-events: auto;
}

.chapter-dock a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem;
  align-items: center;
  min-width: 7.5rem;
  padding: 0.4rem 0.55rem;
  color: rgba(244, 247, 250, 0.55);
  text-decoration: none;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
}

.chapter-dock a span {
  color: var(--red);
}

.chapter-dock a:hover,
.chapter-dock a.is-active {
  background: rgba(255, 47, 58, 0.16);
  color: var(--fog-2);
}

.chapter-dock a.is-active span {
  color: var(--cyan);
}

/* Signal Scanner */
.scanner-section {
  background:
    radial-gradient(ellipse 50% 60% at 0% 20%, rgba(46, 230, 197, 0.12), transparent 50%),
    linear-gradient(165deg, #10151d 0%, #0b0e12 55%, #151a22 100%);
  color: var(--fog-2);
}

.scanner-section .section-kicker {
  color: var(--cyan);
}

.scanner-section .section-lede {
  color: rgba(244, 247, 250, 0.68);
}

.scanner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.25rem;
  align-items: stretch;
}

.scanner-controls {
  display: grid;
  gap: 1.1rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.28);
}

.scanner-controls fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.scanner-controls legend {
  width: 100%;
  margin-bottom: 0.55rem;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.55);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.chip:has(input:checked) {
  border-color: var(--red);
  background: rgba(255, 47, 58, 0.16);
  color: var(--fog-2);
}

.chip input {
  accent-color: var(--red);
}

.scanner-out {
  padding: 1.4rem 1.35rem;
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 47, 58, 0.12), transparent 40%),
    var(--ink-2);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.scanner-meter {
  height: 8px;
  background: rgba(244, 247, 250, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.35rem;
}

.scanner-meter i {
  display: block;
  height: 100%;
  width: var(--fill, 40%);
  background: linear-gradient(90deg, var(--red), var(--cyan));
  transition: width 0.55s var(--ease);
}

.scanner-label {
  margin: 0;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.scanner-score {
  margin: 0;
  font-family: var(--display);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}

.scanner-score small {
  font-size: 0.9rem;
  color: rgba(244, 247, 250, 0.5);
  font-weight: 500;
}

.scanner-out h3 {
  margin: 0.35rem 0 0;
  font-family: var(--display);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.scanner-out > p {
  margin: 0;
  color: rgba(244, 247, 250, 0.72);
}

.scanner-lanes {
  list-style: none;
  margin: 0.5rem 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.scanner-lanes button {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--fog-2);
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
}

.scanner-lanes button:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.scanner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.35rem;
}

.button-ghost-dark {
  background: transparent;
  color: var(--fog-2);
  border-color: rgba(244, 247, 250, 0.35);
}

.button-ghost-dark:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.scanner-note {
  margin: 0.35rem 0 0;
  font-family: var(--display);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 247, 250, 0.4);
}

.scanner.is-scanned .scanner-out {
  box-shadow: 0 0 0 1px rgba(46, 230, 197, 0.25);
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

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

  .marquee-track,
  .lane i {
    animation: none !important;
  }

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

  .button:hover,
  .lane-grid button:hover,
  .path-step:hover,
  .lane:hover {
    transform: none;
  }
}

@media (max-width: 1100px) {
  .chapter-dock {
    display: none;
  }
}

@media (max-width: 960px) {
  .hero-layout,
  .composer,
  .path-layout,
  .bounds-layout,
  .contact-layout,
  .lane-grid,
  .craft-strip,
  .scanner {
    grid-template-columns: 1fr 1fr;
  }

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

  .composer-rack {
    grid-column: 1 / -1;
  }

  .path-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: fixed;
    inset: 4.25rem 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(11, 14, 18, 0.97);
    border-bottom: 1px solid var(--line);
  }

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

  .main-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav .nav-action {
    margin-top: 0.75rem;
    text-align: center;
  }

  .hero-layout,
  .composer,
  .path-layout,
  .path-steps,
  .bounds-layout,
  .contact-layout,
  .lane-grid,
  .craft-strip,
  .scanner {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: auto;
    padding-top: 3.5rem;
  }

  .hero-board {
    order: -1;
  }

  .lattice-stage {
    min-height: 180px;
  }

  .hero-photo {
    transform: none;
    opacity: 0.85;
  }

  .craft-strip figure:first-child {
    min-height: 260px;
  }
}