:root {
  --bg: #efe6d8;
  --bg-strong: #ddcfbc;
  --surface: rgba(255, 249, 240, 0.76);
  --surface-strong: #fff9f0;
  --surface-dark: #112620;
  --surface-dark-soft: #19362d;
  --text: #102019;
  --text-soft: #46554f;
  --text-inverse: #f4efe7;
  --line: rgba(16, 32, 25, 0.12);
  --line-strong: rgba(16, 32, 25, 0.22);
  --accent: #0e7b70;
  --accent-strong: #0a5f57;
  --signal: #c77b22;
  --signal-soft: #f0cb99;
  --success: #136c52;
  --danger: #8f2e2e;
  --shadow: 0 24px 70px rgba(17, 38, 32, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --text-measure: 72ch;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI Variable Text", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(199, 123, 34, 0.22), transparent 22%),
    radial-gradient(circle at 85% 12%, rgba(14, 123, 112, 0.18), transparent 18%),
    linear-gradient(180deg, #f5ede2 0%, var(--bg) 45%, #f6f1ea 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(16, 32, 25, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 32, 25, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 88%);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 24px clamp(18px, 2.8vw, 40px) 56px;
}

.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.5), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(199, 123, 34, 0.09), transparent 22%),
    linear-gradient(140deg, rgba(14, 123, 112, 0.08), transparent 35%);
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 20px;
  padding: 16px 22px;
  margin-bottom: 34px;
  border: 1px solid rgba(16, 32, 25, 0.1);
  border-radius: 26px;
  background:
    linear-gradient(125deg, rgba(255, 252, 246, 0.92) 0%, rgba(250, 241, 228, 0.78) 56%, rgba(243, 236, 225, 0.74) 100%);
  backdrop-filter: blur(14px);
  box-shadow:
    0 18px 50px rgba(16, 33, 27, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.52);
}

.site-header::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(14, 123, 112, 0), rgba(14, 123, 112, 0.54), rgba(199, 123, 34, 0.56), rgba(14, 123, 112, 0));
  pointer-events: none;
}

.site-header.is-scrolled {
  box-shadow:
    0 22px 56px rgba(16, 33, 27, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.56);
  border-color: rgba(16, 32, 25, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--surface-dark) 0%, var(--accent-strong) 100%);
  color: var(--text-inverse);
  font-family: "Bahnschrift", "Segoe UI Variable Display", "PingFang SC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(9, 53, 48, 0.3);
}

.brand-copy {
  display: grid;
  gap: 2px;
  line-height: 1.06;
}

.brand-copy strong,
.eyebrow,
h1,
h2,
h3,
.metric-value,
.product-tag,
.workflow-index {
  font-family: "Bahnschrift", "Segoe UI Variable Display", "PingFang SC", "Microsoft YaHei UI", sans-serif;
}

.brand-copy strong {
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-copy small {
  color: var(--text-soft);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(16, 32, 25, 0.1);
}

.site-nav a {
  color: rgba(16, 32, 25, 0.78);
  font-size: 0.94rem;
  padding: 10px 14px;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.76);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
}

.locale-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border: 1px solid rgba(16, 32, 25, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
}

.locale-button {
  min-width: 58px;
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(16, 32, 25, 0.7);
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.locale-button.is-active {
  background: linear-gradient(135deg, #14322d 0%, #0e5f56 100%);
  color: var(--text-inverse);
}

.header-cta {
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.72);
}

.section {
  margin-bottom: 26px;
  padding: clamp(26px, 3.1vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.82), rgba(255, 249, 241, 0.72)),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(480px, 0.92fr);
  gap: clamp(22px, 2.2vw, 36px);
  align-items: stretch;
  padding-top: 36px;
  min-height: min(76vh, 840px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--accent-strong);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 6.4vw, 6.2rem);
  line-height: 0.93;
}

h2 {
  font-size: clamp(1.8rem, 3.3vw, 3rem);
}

h3 {
  font-size: 1.3rem;
}

h4 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
}

.hero-subtitle,
.section-heading p,
.contact-copy > p,
.cta-copy p,
.proof-list,
.card p,
.workflow-card p,
.form-hint,
.site-footer p,
.signal-card p {
  color: var(--text-soft);
  line-height: 1.7;
}

.hero-subtitle {
  max-width: 56ch;
  font-size: 1.14rem;
}

.section-heading p,
.contact-copy > p,
.cta-copy p {
  max-width: var(--text-measure);
}

.hero-actions,
.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-solid {
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 100%);
  color: var(--text-inverse);
  box-shadow: 0 18px 30px rgba(10, 95, 87, 0.22);
}

.button-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.46);
}

.button-outline {
  border-color: rgba(139, 231, 210, 0.42);
  background: rgba(13, 58, 53, 0.08);
  color: var(--accent-strong);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 10px 14px;
  border: 1px solid rgba(16, 32, 25, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
  font-size: 0.94rem;
}

.hero-stage {
  display: grid;
  gap: 14px;
}

.hero-stage-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  border-radius: calc(var(--radius-xl) - 6px);
  background:
    radial-gradient(circle at 90% 12%, rgba(222, 255, 244, 0.18), transparent 26%),
    linear-gradient(160deg, #0d2f2a 0%, #153f37 46%, #1c3f46 100%);
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.hero-stage-shell::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -120px;
  top: -128px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(173, 244, 226, 0.34), transparent 70%);
  pointer-events: none;
}

.signal-board-head h2 {
  max-width: 11ch;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
}

.hero-diagram {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.diagram-glow {
  position: absolute;
  right: -58px;
  top: -52px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 250, 235, 0.22), transparent 66%);
}

.diagram-core {
  position: relative;
  z-index: 1;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(187, 255, 235, 0.3);
  background: linear-gradient(140deg, rgba(19, 56, 50, 0.92), rgba(23, 68, 63, 0.75));
}

.diagram-core-label {
  display: inline-flex;
  margin-bottom: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(220, 255, 246, 0.82);
}

.diagram-core h3 {
  font-size: 1.2rem;
}

.diagram-core p {
  margin: 8px 0 0;
  color: rgba(236, 248, 243, 0.8);
  line-height: 1.56;
}

.diagram-module-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.diagram-module {
  min-height: 132px;
  border-radius: 14px;
  border: 1px solid rgba(186, 255, 234, 0.22);
  background: rgba(255, 255, 255, 0.06);
  padding: 12px;
  animation: moduleFloat 6s ease-in-out infinite;
}

.diagram-module:nth-child(2) {
  animation-delay: 0.8s;
}

.diagram-module:nth-child(3) {
  animation-delay: 1.6s;
}

.diagram-module strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.diagram-module p {
  margin: 0;
  color: rgba(232, 245, 240, 0.76);
  line-height: 1.5;
}

.diagram-module span {
  display: inline-flex;
  margin-top: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.76rem;
  color: rgba(222, 255, 247, 0.94);
  background: rgba(137, 231, 210, 0.15);
}

.diagram-flow {
  position: relative;
  z-index: 1;
  margin: 2px 2px 0;
  color: rgba(232, 246, 241, 0.84);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.signal-grid,
.metrics-strip-grid,
.card-grid,
.workflow-grid,
.engagement-grid {
  display: grid;
  gap: 16px;
}

.signal-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.signal-card,
.metric-card,
.card,
.workflow-card,
.engagement-card {
  position: relative;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(16, 32, 25, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.metric-card:hover,
.card:hover,
.engagement-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(17, 38, 32, 0.14);
}

.signal-card {
  background: linear-gradient(145deg, rgba(20, 60, 53, 0.92), rgba(22, 63, 58, 0.8));
  border-color: rgba(182, 255, 234, 0.22);
  color: var(--text-inverse);
}

.signal-card p {
  color: rgba(235, 247, 241, 0.78);
}

.signal-card strong,
.metric-value {
  display: block;
  margin-bottom: 6px;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.metrics-strip {
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(240, 203, 153, 0.28)),
    rgba(255, 249, 240, 0.76);
}

.metrics-strip-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  min-height: 170px;
  border-color: rgba(16, 32, 25, 0.09);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 249, 240, 0.82));
}

.metric-value {
  color: var(--accent-strong);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.metric-label {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
}

.metric-source {
  color: var(--signal);
  font-size: 0.82rem;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(320px, 1fr));
}

.card-grid-large .card {
  min-height: 100%;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 241, 232, 0.92));
}

.product-preview {
  margin: -6px -6px 0;
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(16, 32, 25, 0.16);
  background: linear-gradient(145deg, rgba(15, 48, 41, 0.9), rgba(21, 63, 55, 0.76));
  color: rgba(241, 250, 246, 0.96);
}

.product-preview.is-gendetector {
  background: linear-gradient(145deg, rgba(28, 48, 86, 0.9), rgba(33, 64, 104, 0.78));
  border-color: rgba(154, 201, 255, 0.35);
}

.product-preview.is-gate {
  background: linear-gradient(145deg, rgba(56, 41, 84, 0.92), rgba(65, 52, 99, 0.8));
  border-color: rgba(214, 179, 255, 0.3);
}

.product-preview-head {
  display: grid;
  gap: 6px;
}

.preview-label {
  display: inline-flex;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(223, 255, 247, 0.16);
  color: rgba(232, 250, 244, 0.9);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-preview-head strong {
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.preview-rows {
  display: grid;
  gap: 8px;
}

.preview-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(231, 255, 248, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.preview-row span {
  color: rgba(218, 247, 239, 0.82);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.preview-row strong {
  font-size: 0.88rem;
  line-height: 1.4;
}

.preview-foot {
  margin: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(223, 255, 247, 0.14);
  color: rgba(236, 251, 246, 0.94);
  font-size: 0.84rem;
  line-height: 1.45;
}

.card::before {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--signal) 100%);
}

.product-tag {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(14, 123, 112, 0.1);
  color: var(--accent-strong);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-actions {
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.product-link {
  min-width: 0;
}

.card-compact {
  min-height: 0;
}

.card ul,
.proof-list {
  margin: 0;
  padding-left: 18px;
}

.card li,
.proof-list li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.workflow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-card {
  display: grid;
  gap: 12px;
  min-height: 220px;
  background: linear-gradient(180deg, rgba(17, 38, 32, 0.95), rgba(21, 47, 39, 0.92));
  color: var(--text-inverse);
  border-color: rgba(255, 255, 255, 0.08);
}

.workflow-card p {
  color: rgba(244, 239, 231, 0.75);
}

.workflow-index {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(240, 203, 153, 0.14);
  color: var(--signal-soft);
  font-size: 1rem;
}

.quickstart-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quickstart-block {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(16, 32, 25, 0.1);
  background: rgba(255, 255, 255, 0.62);
}

.quickstart-steps,
.quickstart-outcomes {
  display: grid;
  gap: 10px;
}

.quickstart-step,
.quickstart-outcome {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(16, 32, 25, 0.1);
  background: rgba(255, 255, 255, 0.78);
}

.quickstart-step {
  display: grid;
  gap: 10px;
}

.quickstart-step .workflow-index {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-size: 0.92rem;
}

.quickstart-step p,
.quickstart-outcome p,
.quickstart-block > p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.quickstart-outcome strong {
  display: block;
  margin-bottom: 6px;
}

.quickstart-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.proof-layout,
.contact-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.proof-panel,
.contact-copy,
.lead-form {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.62);
}

.proof-section {
  padding-top: 24px;
  padding-bottom: 24px;
}

.evidence-strip {
  display: grid;
  gap: 12px;
}

.evidence-summary {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.evidence-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.evidence-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 25, 0.12);
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  color: var(--text);
}

.product-hero {
  display: grid;
  gap: 20px;
}

.product-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 20px;
  align-items: start;
}

.product-summary {
  display: grid;
  gap: 18px;
}

.product-summary h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 5.5vw, 5.6rem);
}

.product-snapshot {
  align-self: stretch;
}

.back-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-weight: 600;
}

.back-link::before {
  content: "<";
}

.not-found-panel {
  display: grid;
  gap: 16px;
  min-height: 340px;
  align-content: center;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background:
    radial-gradient(circle at 80% 20%, rgba(240, 203, 153, 0.35), transparent 28%),
    linear-gradient(135deg, rgba(17, 38, 32, 0.98), rgba(14, 123, 112, 0.9));
  color: var(--text-inverse);
}

.cta-band .eyebrow,
.cta-band p {
  color: rgba(244, 239, 231, 0.82);
}

.cta-copy {
  display: grid;
  gap: 10px;
  max-width: 720px;
}

.engagement-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.engagement-card {
  min-height: 180px;
}

.engagement-card strong {
  display: block;
  margin-bottom: 8px;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}

.lead-form input,
.lead-form textarea,
.lead-form select {
  width: 100%;
  border: 1px solid rgba(16, 32, 25, 0.16);
  border-radius: 14px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.lead-form input:focus,
.lead-form textarea:focus,
.lead-form select:focus {
  border-color: rgba(14, 123, 112, 0.64);
  box-shadow: 0 0 0 4px rgba(14, 123, 112, 0.12);
}

.full-width {
  grid-column: 1 / -1;
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: start;
  font-weight: 500;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.form-hint {
  margin: 0;
  max-width: 34ch;
  font-size: 0.9rem;
}

.form-status {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.94rem;
}

.form-status[data-state="success"] {
  color: var(--success);
}

.form-status[data-state="error"] {
  color: var(--danger);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 4px 0;
}

.site-footer strong {
  display: block;
  margin-bottom: 6px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.no-motion {
  transition: none;
}

@keyframes moduleFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .button,
  .diagram-module,
  .metric-card,
  .card,
  .engagement-card {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 1080px) {
  .hero,
  .product-hero-layout,
  .proof-layout,
  .contact-section {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .metrics-strip-grid,
  .workflow-grid,
  .engagement-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quickstart-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diagram-module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-header {
    grid-template-columns: 1fr auto;
    border-radius: 24px;
  }

  .site-nav {
    display: none;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 16px 14px 34px;
  }

  .site-header,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-header {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .brand {
    width: 100%;
  }

  .header-cta {
    display: none;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .signal-grid,
  .metrics-strip-grid,
  .card-grid,
  .workflow-grid,
  .engagement-grid,
  .lead-form,
  .quickstart-layout,
  .diagram-module-grid {
    grid-template-columns: 1fr;
  }

  .cta-band,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .signal-board-head h2,
  h1 {
    max-width: none;
  }

  .hero-diagram {
    padding: 14px;
  }

  .diagram-core,
  .diagram-module {
    padding: 12px;
  }
}