:root {
  --bg: #174d70;
  --bg-soft: #1d5c7d;
  --panel: rgba(20, 67, 96, 0.86);
  --panel-strong: rgba(17, 58, 87, 0.96);
  --line: rgba(143, 218, 255, 0.28);
  --line-strong: rgba(143, 218, 255, 0.56);
  --text: #eef7ff;
  --muted: #93a9c2;
  --cyan: #6dd8ff;
  --teal: #3bf0c2;
  --blue: #4d7cff;
  --gold: #ffd36a;
  --danger: #ff7a9e;
  --shadow: 0 24px 80px rgba(7, 43, 68, 0.34);
  --max: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-size: 1rem;
  font-family: "Bahnschrift", "Segoe UI Variable Display", "Microsoft YaHei UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(91, 177, 255, 0.4), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(59, 240, 194, 0.25), transparent 26%),
    linear-gradient(180deg, #174b70 0%, #1b5a7a 52%, #225f76 100%);
}

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

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.aurora {
  position: fixed;
  inset: auto;
  width: 40rem;
  height: 40rem;
  border-radius: 50%;
  filter: blur(32px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
  animation: drift 16s ease-in-out infinite alternate;
}

.aurora-a {
  top: -10rem;
  right: -8rem;
  background: radial-gradient(circle, rgba(77, 124, 255, 1) 0%, rgba(77, 124, 255, 0) 70%);
}

.aurora-b {
  bottom: 12rem;
  left: -10rem;
  background: radial-gradient(circle, rgba(59, 240, 194, 1) 0%, rgba(59, 240, 194, 0) 72%);
  animation-duration: 20s;
}

.grid-mask {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(109, 216, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 216, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.18) 72%, transparent 100%);
}

.topbar,
main,
.footer {
  position: relative;
  z-index: 1;
}

.topbar {
  width: min(var(--max), calc(100% - 32px));
  margin: 20px auto 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(18px);
  background: rgba(17, 57, 86, 0.82);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(109, 216, 255, 0.95), rgba(77, 124, 255, 0.7)),
    #1b5278;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 22px rgba(109, 216, 255, 0.42);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.brand-mark::after {
  inset: 15px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.brand-text span {
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
  gap: 8px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: 180ms ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
  background: rgba(109, 216, 255, 0.12);
  box-shadow: 0 0 0 1px rgba(109, 216, 255, 0.18) inset;
}

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

.utility-button {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: rgba(109, 216, 255, 0.08);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.utility-button:hover {
  transform: translateY(-1px);
  border-color: rgba(109, 216, 255, 0.72);
  background: rgba(109, 216, 255, 0.16);
}

.utility-button-contact {
  color: #123c58;
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
}

.utility-button-contact:hover {
  border-color: transparent;
  background: linear-gradient(135deg, #8ae2ff, #62f4cf);
}

main {
  width: min(var(--max), calc(100% - 32px));
  margin: 24px auto 0;
}

.hero,
.section,
.footer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 59, 88, 0.94), rgba(23, 73, 101, 0.9));
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 28px;
  padding: 40px;
  border-radius: 28px;
  min-height: 620px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 16px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: "Segoe UI Variable Display", "Bahnschrift", sans-serif;
}

.hero h1 {
  font-size: clamp(1.65rem, 2.2vw, 2rem);
  line-height: 1.14;
  max-width: none;
}

.hero p,
.section-head p,
.feature-card p,
.band-card li,
.flow-step p,
.test-card p,
.case-card p,
.footer p {
  color: var(--muted);
}

.hero p {
  margin: 24px 0 0;
  max-width: 62ch;
  font-size: 1.03rem;
  line-height: 1.8;
}

.hero-subtitle {
  margin-top: 16px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.85;
}

.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(109, 216, 255, 0.14);
  background: rgba(109, 216, 255, 0.08);
  color: #dff4ff;
  font-size: 0.86rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-brief-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.hero-brief-card {
  padding: 18px 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(109, 216, 255, 0.12);
  background: rgba(27, 80, 108, 0.76);
}

.hero-brief-card strong {
  display: block;
  font-size: 0.96rem;
  color: #f1f8ff;
}

.hero-brief-card p {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 164px;
  padding: 14px 20px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #123c58;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  box-shadow: 0 16px 40px rgba(59, 240, 194, 0.22);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(109, 216, 255, 0.08);
}

.hero-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(109, 216, 255, 0.14);
  background: rgba(109, 216, 255, 0.06);
  color: #d7e9fb;
  font-size: 0.92rem;
  line-height: 1.7;
}

.hero-panel {
  position: relative;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(109, 216, 255, 0.18);
  background:
    radial-gradient(circle at top right, rgba(77, 124, 255, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(20, 63, 94, 0.98), rgba(24, 76, 104, 0.94));
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(transparent 0%, rgba(109, 216, 255, 0.06) 48%, transparent 100%);
  animation: scan 6s linear infinite;
}

.panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d6ecff;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 16px rgba(59, 240, 194, 0.9);
}

.hero-visual {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(109, 216, 255, 0.16);
  background: rgba(25, 76, 105, 0.88);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(21, 67, 97, 0.04), rgba(19, 60, 89, 0.34));
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-visual-tag {
  position: absolute;
  z-index: 1;
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #edf9ff;
  background: rgba(21, 64, 92, 0.82);
  border: 1px solid rgba(109, 216, 255, 0.18);
  backdrop-filter: blur(10px);
}

.hero-visual-tag-a {
  top: 16px;
  left: 16px;
}

.hero-visual-tag-b {
  top: 16px;
  right: 16px;
}

.hero-visual-tag-c {
  left: 16px;
  bottom: 16px;
}

.panel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.panel-grid-compact .metric-card:last-child {
  grid-column: span 2;
}

.metric-card {
  padding: 16px 16px;
  border-radius: 18px;
  border: 1px solid rgba(109, 216, 255, 0.15);
  background: rgba(25, 76, 105, 0.84);
}

.metric-value {
  font-size: clamp(1.8rem, 2.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
}

.metric-label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-panel-footer {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(109, 216, 255, 0.1);
}

.hero-panel-copy strong {
  display: block;
  font-size: 0.96rem;
  color: #edf8ff;
}

.hero-panel-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-panel-list {
  margin: 0;
  padding-left: 18px;
  color: #dbebf9;
}

.hero-panel-list li {
  margin-top: 10px;
  line-height: 1.62;
}

.section {
  margin-top: 24px;
  padding: 34px;
  border-radius: 26px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section h2 {
  font-size: clamp(1.45rem, 2vw, 1.8rem);
}

.section-head p {
  max-width: 48ch;
  margin: 0;
  line-height: 1.75;
}

.feature-grid,
.band-grid,
.test-grid,
.case-grid,
.video-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.band-card,
.flow-step,
.mcp-step,
.gallery-card,
.test-card,
.case-card,
.video-card,
.test-stat,
.test-highlight {
  border: 1px solid rgba(109, 216, 255, 0.12);
  background: rgba(24, 74, 103, 0.82);
  border-radius: 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.feature-card {
  padding: 24px;
}

.feature-icon {
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 14px rgba(109, 216, 255, 0.25));
}

.feature-card h3,
.band-title,
.flow-step h3,
.test-card h3,
.case-card h3,
.video-card h3,
.test-highlight h3 {
  margin: 0;
  font-size: 1.08rem;
}

.feature-card p,
.test-card p,
.case-card p {
  margin: 14px 0 0;
  line-height: 1.75;
}

.feature-card ul,
.band-card ul,
.test-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: #d3e2f2;
}

.feature-card li,
.band-card li,
.test-card li {
  margin-top: 10px;
  line-height: 1.6;
}

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

.band-card {
  padding: 24px;
}

.band-title {
  margin-bottom: 16px;
  font-size: 1.14rem;
}

.band-ready {
  background: linear-gradient(180deg, rgba(22, 78, 105, 0.96), rgba(28, 91, 115, 0.84));
}

.band-ready .band-title {
  color: var(--teal);
}

.band-trial .band-title {
  color: var(--cyan);
}

.band-boundary .band-title {
  color: var(--gold);
}

.flow-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.flow-step {
  padding: 22px;
}

.flow-step span,
.mcp-step > span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--cyan);
  background: rgba(109, 216, 255, 0.08);
  border: 1px solid rgba(109, 216, 255, 0.14);
  font-weight: 800;
}

.flow-step p {
  margin: 12px 0 0;
  line-height: 1.75;
}

.mcp-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.mcp-step {
  min-width: 0;
  padding: 22px;
}

.mcp-step h3 {
  margin: 0;
  font-size: 1.08rem;
}

.mcp-step code {
  display: block;
  min-height: 4.8em;
  margin-top: 14px;
  padding: 12px 14px;
  overflow-wrap: anywhere;
  border: 1px solid rgba(109, 216, 255, 0.14);
  border-radius: 14px;
  color: var(--cyan);
  background: rgba(18, 59, 88, 0.9);
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.82rem;
  line-height: 1.55;
}

.mcp-step p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.mcp-boundary {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  padding: 20px 22px;
  border: 1px solid rgba(255, 211, 106, 0.22);
  border-radius: 20px;
  background: rgba(255, 211, 106, 0.06);
}

.mcp-boundary strong {
  color: var(--gold);
}

.mcp-boundary p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.gallery {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 18px;
}

.gallery-large {
  grid-row: span 2;
}

.gallery-card {
  overflow: hidden;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.gallery-card figcaption {
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.test-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.test-stat {
  padding: 22px 18px;
  text-align: center;
}

.test-stat strong {
  display: block;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--cyan);
}

.test-stat span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.5;
}

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

.test-card {
  padding: 24px;
}

.test-highlight {
  margin-top: 18px;
  padding: 24px;
}

.highlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.highlight-tags span,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: #e9f6ff;
  background: rgba(109, 216, 255, 0.08);
  border: 1px solid rgba(109, 216, 255, 0.12);
}

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

.case-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.case-summary > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  border: 1px solid rgba(109, 216, 255, 0.14);
  border-radius: 18px;
  background: rgba(24, 74, 103, 0.82);
}

.case-summary strong {
  color: var(--cyan);
  font-size: 1.8rem;
  line-height: 1;
}

.case-summary span {
  color: var(--muted);
}

.case-card {
  padding: 24px;
}

#cases .case-card:last-child {
  grid-column: 2;
}

.case-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.badge.ready {
  color: #123c58;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  border-color: transparent;
}

.case-card dl {
  margin: 16px 0 0;
}

.case-card dl div + div {
  margin-top: 12px;
}

.case-card dt {
  color: var(--cyan);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-card dd {
  margin: 4px 0 0;
  color: #dceaf7;
  line-height: 1.7;
}

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

.video-card {
  overflow: hidden;
}

.video-poster {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #1b5278;
}

.video-poster img,
.video-poster video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-meta {
  padding: 22px;
}

.video-meta p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.video-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.video-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(109, 216, 255, 0.08);
  border: 1px solid rgba(109, 216, 255, 0.12);
  color: #dff3ff;
  font-size: 0.84rem;
}

.video-placeholder-note {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  color: #e9f7ff;
  background: rgba(20, 62, 91, 0.82);
  border: 1px solid rgba(109, 216, 255, 0.12);
  backdrop-filter: blur(12px);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 24px auto 28px;
  padding: 26px 28px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  text-align: left;
}

.footer p {
  margin: 0;
}

.footer p + p {
  margin-top: 8px;
}

.visitor-counter-panel {
  min-width: 300px;
  padding: 14px 18px;
  border: 1px solid rgba(109, 216, 255, 0.2);
  border-radius: 16px;
  background: rgba(8, 31, 48, 0.48);
}

.visitor-counter {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
  color: #eaf8ff;
}

.visitor-counter-status {
  width: 8px;
  height: 8px;
  align-self: center;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(109, 216, 255, 0.86);
}

.visitor-counter-panel[data-state="loading"] .visitor-counter-status {
  animation: visitor-counter-pulse 1.4s ease-in-out infinite;
}

.visitor-counter-panel[data-state="ready"] .visitor-counter-status {
  background: var(--teal);
  box-shadow: 0 0 12px rgba(59, 240, 194, 0.82);
}

.visitor-counter-panel[data-state="unavailable"] .visitor-counter-status,
.visitor-counter-panel[data-state="preview"] .visitor-counter-status {
  background: #7796aa;
  box-shadow: none;
}

.visitor-counter-label,
.visitor-counter-unit {
  color: var(--muted);
  font-size: 0.86rem;
}

.visitor-counter strong {
  color: var(--teal);
  font-family: "Segoe UI Variable Display", "Bahnschrift", sans-serif;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.visitor-counter-note {
  margin-top: 6px !important;
  color: #89a9bc !important;
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: right;
}

@keyframes visitor-counter-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.86);
  }

  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

body.modal-open {
  overflow: hidden;
}

.contact-modal[hidden] {
  display: none;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 65, 91, 0.78);
  backdrop-filter: blur(12px);
}

.contact-dialog {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: center;
  gap: 34px;
  padding: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background:
    radial-gradient(circle at top right, rgba(77, 124, 255, 0.24), transparent 42%),
    linear-gradient(180deg, #1a5279, #174462);
  box-shadow: 0 28px 100px rgba(7, 43, 68, 0.58);
  animation: modal-in 180ms ease-out;
}

.contact-dialog-copy h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 1.8rem);
}

.contact-dialog-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.contact-benefits {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.contact-benefits li {
  position: relative;
  padding: 11px 14px 11px 42px;
  border: 1px solid rgba(109, 216, 255, 0.18);
  border-radius: 14px;
  color: var(--text);
  background: rgba(109, 216, 255, 0.08);
}

.contact-benefits li::before {
  content: "✓";
  position: absolute;
  left: 15px;
  color: var(--teal);
  font-weight: 800;
}

.contact-dialog-copy .contact-action {
  color: var(--cyan);
  font-weight: 700;
}

.contact-image-frame {
  padding: 14px;
  border: 1px solid rgba(109, 216, 255, 0.28);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(7, 43, 68, 0.32);
}

.contact-image-frame img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.contact-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(109, 216, 255, 0.2);
  border-radius: 50%;
  color: var(--text);
  background: rgba(20, 62, 91, 0.88);
  font: inherit;
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
}

.contact-close:hover {
  background: rgba(109, 216, 255, 0.16);
}

.utility-button:focus-visible,
.btn:focus-visible,
.contact-close:focus-visible,
.nav a:focus-visible {
  outline: 3px solid rgba(109, 216, 255, 0.62);
  outline-offset: 3px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@keyframes scan {
  0% {
    transform: translateY(-110%);
  }
  100% {
    transform: translateY(120%);
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(28px, 36px, 0) scale(1.08);
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1180px) {
  .hero,
  .feature-grid,
  .band-grid,
  .flow-panel,
  .mcp-flow,
  .gallery,
  .case-grid,
  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-brief-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .gallery-large {
    grid-row: auto;
  }

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

  #cases .case-card:last-child {
    grid-column: 1 / -1;
    width: calc(50% - 9px);
    justify-self: center;
  }
}

@media (max-width: 860px) {
  .topbar,
  main,
  .footer {
    width: min(var(--max), calc(100% - 20px));
  }

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

  .visitor-counter-panel {
    min-width: 0;
  }

  .visitor-counter {
    justify-content: flex-start;
  }

  .visitor-counter-note {
    text-align: left;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
  }

  .utility-button-contact {
    flex: 1;
  }

  .hero,
  .feature-grid,
  .band-grid,
  .flow-panel,
  .mcp-flow,
  .gallery,
  .test-grid,
  .case-grid,
  .video-grid,
  .test-stats,
  .panel-grid,
  .hero-panel-footer {
    grid-template-columns: 1fr;
  }

  .case-summary,
  .mcp-boundary {
    grid-template-columns: 1fr;
  }

  .mcp-step code {
    min-height: 0;
  }

  .hero,
  .section {
    padding: 24px;
    border-radius: 22px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: none;
    font-size: 1.65rem;
  }

  .hero-copy {
    padding-top: 0;
  }

  .panel-grid-compact .metric-card:last-child {
    grid-column: auto;
  }

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

  .contact-dialog {
    width: min(460px, 100%);
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 28px;
  }

  .contact-image-frame {
    width: min(260px, 100%);
    margin: 0 auto;
  }

  #cases .case-card:last-child {
    width: 100%;
  }
}

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

  .aurora,
  .hero-panel::before,
  .contact-dialog {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}