@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #080a0f;
  --surface: #11151e;
  --surface-2: #171d28;
  --surface-3: #eef4f8;
  --ink: #f7fbff;
  --ink-dark: #101820;
  --muted: #98a6b7;
  --muted-dark: #556272;
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(16, 24, 32, 0.12);
  --teal: #2ee6c8;
  --blue: #70a5ff;
  --amber: #ffbf58;
  --coral: #ff6b67;
  --green: #80e27e;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  color-scheme: dark;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, #07090d 0%, #10151e 45%, #151012 100%);
  background-size: 48px 48px, 48px 48px, auto;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 24% 10%, rgba(46, 230, 200, 0.16), transparent 30%),
    radial-gradient(circle at 84% 16%, rgba(255, 191, 88, 0.16), transparent 28%),
    radial-gradient(circle at 60% 92%, rgba(112, 165, 255, 0.12), transparent 32%);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2 {
  letter-spacing: 0;
}

h1 {
  max-width: 920px;
  font-size: clamp(2.35rem, 4.6vw, 4.7rem);
  line-height: 0.98;
  overflow-wrap: break-word;
  hyphens: auto;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 3.05rem);
  line-height: 1.02;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 276px minmax(0, 1fr);
  min-height: 100vh;
}

.side-rail {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
  height: 100vh;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: rgba(8, 10, 15, 0.72);
  backdrop-filter: blur(24px);
}

.brand {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(46, 230, 200, 0.5);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(46, 230, 200, 0.95), rgba(112, 165, 255, 0.86)),
    #17212c;
  box-shadow: 0 0 30px rgba(46, 230, 200, 0.22);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.08rem;
  text-transform: uppercase;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
}

.rail-nav {
  display: grid;
  gap: 8px;
}

.rail-nav a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  transition: 0.18s ease;
}

.rail-nav a:hover,
.rail-nav a:focus-visible,
.rail-nav a.is-active {
  border-color: rgba(46, 230, 200, 0.26);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.rail-nav span {
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 800;
}

.rail-card {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.04);
}

.rail-card strong,
.rail-card span {
  display: block;
}

.rail-card strong {
  margin: 8px 0;
  line-height: 1.25;
}

.rail-card span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.main-stage {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 72px;
  padding: 14px clamp(16px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 15, 0.72);
  backdrop-filter: blur(22px);
}

.status-chip,
.ghost-link,
.icon-button,
.primary-button,
.secondary-button,
.quick-prompts button {
  min-height: 42px;
  border-radius: var(--radius);
  text-decoration: none;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: 1px solid rgba(128, 226, 126, 0.34);
  color: #dfffe4;
  background: rgba(128, 226, 126, 0.08);
  font-size: 0.88rem;
  font-weight: 700;
}

.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(128, 226, 126, 0.5);
  animation: pulse 1.8s infinite;
}

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

.ghost-link {
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

.icon-button span {
  font-size: 1.5rem;
  line-height: 1;
}

main {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(16px, 3vw, 34px);
}

main > section {
  scroll-margin-top: 94px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(360px, 2fr);
  gap: 18px;
  align-items: stretch;
  min-height: calc(100vh - 140px);
}

.hero-copy,
.chat-console,
.visual-panel,
.metrics-grid article,
.systems-section,
.flow-section,
.contact-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 500px;
  padding: clamp(24px, 5vw, 56px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.04);
}

.eyebrow {
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin-top: 18px;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 18px;
  font-size: 1.06rem;
}

.hero-actions {
  margin-top: 26px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 16px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.primary-button {
  color: #06100e;
  background: linear-gradient(135deg, var(--teal), #c3fff2);
  box-shadow: 0 18px 36px rgba(46, 230, 200, 0.18);
}

.secondary-button {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

.primary-button:hover,
.secondary-button:hover,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.icon-button:hover,
.icon-button:focus-visible,
.quick-prompts button:hover,
.quick-prompts button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.chat-console {
  display: flex;
  flex-direction: column;
  min-height: 500px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(16, 24, 32, 0.98), rgba(12, 15, 22, 0.98)),
    var(--surface);
}

.console-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.console-header strong {
  color: var(--ink);
}

.console-header > span:last-child {
  justify-self: end;
}

.window-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--coral);
}

.window-dot:nth-child(2) {
  background: var(--amber);
}

.window-dot:nth-child(3) {
  background: var(--green);
}

.chat-feed {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0;
  min-height: 0;
  padding: 18px 18px 20px;
  overflow: auto;
}

.text-stream {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.stream-line {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 7px 0;
  border: 0;
  background: transparent;
}

.stream-line + .stream-line {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stream-prefix {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.stream-line.user .stream-prefix {
  color: var(--amber);
}

.stream-line p {
  color: #dce6ef;
  font-size: 0.94rem;
  line-height: 1.75;
  white-space: normal;
}

.quick-prompts {
  display: flex;
  gap: 8px;
  padding: 0 14px 14px;
  overflow-x: auto;
}

.quick-prompts button {
  flex: 0 0 auto;
  padding: 0 12px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid var(--line);
}

.chat-form textarea,
.request-form input,
.request-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
  resize: vertical;
}

.chat-form textarea {
  min-height: 46px;
  max-height: 140px;
  padding: 12px;
}

.chat-form textarea:focus,
.request-form input:focus,
.request-form textarea:focus {
  border-color: rgba(46, 230, 200, 0.55);
  box-shadow: 0 0 0 3px rgba(46, 230, 200, 0.11);
}

.send-button {
  display: grid;
  place-items: center;
  height: 46px;
  border: 1px solid rgba(46, 230, 200, 0.42);
  border-radius: var(--radius);
  color: #06100e;
  background: var(--teal);
}

.send-button span {
  font-size: 1.5rem;
}

.visual-panel {
  position: relative;
  grid-column: 1 / -1;
  min-height: 320px;
  overflow: hidden;
  background: #0d1118;
}

.visual-panel img {
  display: block;
  width: 100%;
  height: min(40vw, 440px);
  object-fit: cover;
}

.visual-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 15, 0.78), transparent 46%, rgba(8, 10, 15, 0.2)),
    linear-gradient(0deg, rgba(8, 10, 15, 0.62), transparent 52%);
}

.scan-card {
  position: absolute;
  left: clamp(16px, 3vw, 30px);
  bottom: clamp(16px, 3vw, 30px);
  z-index: 2;
  width: min(280px, calc(100% - 32px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(8, 10, 15, 0.72);
  backdrop-filter: blur(16px);
}

.scan-card p,
.scan-card span {
  color: var(--muted);
  font-size: 0.84rem;
}

.scan-card strong {
  display: block;
  margin: 6px 0;
  color: var(--teal);
  font-size: clamp(1.75rem, 3vw, 2.55rem);
  line-height: 1;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metrics-grid article {
  padding: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  line-height: 1.5;
}

.metrics-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  font-weight: 900;
  line-height: 1;
}

.systems-section,
.flow-section,
.contact-section,
.handover-section {
  padding: clamp(18px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.05);
}

.section-title {
  max-width: 860px;
}

.section-title h2 {
  margin-top: 10px;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.system-card {
  min-height: 168px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035)),
    var(--surface);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.system-card:hover {
  transform: translateY(-2px);
  border-color: rgba(46, 230, 200, 0.34);
  background:
    linear-gradient(160deg, rgba(46, 230, 200, 0.12), rgba(255, 255, 255, 0.035)),
    var(--surface);
}

.system-card span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 900;
}

.system-card h3 {
  margin-bottom: 8px;
  font-size: 1.24rem;
}

.system-card p {
  font-size: 0.94rem;
}

.flow-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.flow-column {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.flow-column h3 {
  margin-bottom: 12px;
}

.flow-column ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-column li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.flow-column li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

.handover-section {
  background:
    linear-gradient(135deg, rgba(112, 165, 255, 0.09), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.032));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.handover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.handover-panel {
  min-height: 250px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.032)),
    rgba(255, 255, 255, 0.035);
}

.handover-panel span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 900;
}

.handover-panel h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.handover-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.handover-panel li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.handover-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.handover-accent {
  border-color: rgba(46, 230, 200, 0.24);
  background:
    linear-gradient(160deg, rgba(46, 230, 200, 0.12), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.045);
}

.handover-accent .secondary-button {
  width: 100%;
  margin-top: 18px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(46, 230, 200, 0.08), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
}

.contact-copy {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.contact-copy h2 {
  margin: 10px 0 14px;
}

.contact-copy > p:not(.eyebrow) {
  max-width: 650px;
}

.contact-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.contact-status span {
  min-height: 86px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.86rem;
  line-height: 1.45;
}

.contact-status strong {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 0.95rem;
}

.contact-lines {
  display: grid;
  gap: 0;
  margin-top: auto;
  padding-top: 26px;
}

.contact-lines a {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 62px;
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.contact-lines a:hover,
.contact-lines a:focus-visible {
  border-color: rgba(46, 230, 200, 0.36);
  color: var(--teal);
  outline: none;
}

.contact-lines span {
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-lines strong {
  font-size: 1rem;
}

.contact-lines em {
  color: var(--muted);
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.request-form {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.contact-intake {
  align-content: start;
  padding: 0;
  border-color: rgba(46, 230, 200, 0.2);
  background:
    linear-gradient(180deg, rgba(8, 10, 15, 0.82), rgba(8, 10, 15, 0.34)),
    rgba(255, 255, 255, 0.035);
  overflow: hidden;
}

.contact-intake label,
.contact-intake .primary-button,
.contact-intake .form-status {
  margin-inline: 16px;
}

.intake-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

.intake-head strong {
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
}

.intake-head small {
  color: var(--muted);
  font-size: 0.78rem;
}

.contact-intake label:first-of-type {
  margin-top: 4px;
}

.contact-intake .form-status {
  margin-bottom: 14px;
}

.request-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.request-form input,
.request-form textarea {
  padding: 12px;
}

.request-form input[type="file"]::file-selector-button {
  margin-right: 10px;
  border: 0;
  border-radius: var(--radius);
  padding: 8px 10px;
  color: #06100e;
  background: var(--teal);
  font-weight: 800;
}

.form-status {
  min-height: 1.3rem;
  color: var(--teal);
  font-size: 0.9rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px clamp(16px, 3vw, 34px) 28px;
  color: var(--muted);
  font-size: 0.88rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(14px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.modal-dialog h2 {
  margin: 8px 52px 18px 0;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
}

.compact-form {
  padding: 0;
  border: 0;
  background: transparent;
}

.is-streaming::after {
  content: "|";
  display: inline-block;
  margin-left: 2px;
  color: var(--teal);
  animation: blink 0.8s steps(2, start) infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(128, 226, 126, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(128, 226, 126, 0);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
    height: auto;
    padding: 14px;
  }

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

  .rail-card {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy,
  .chat-console {
    min-height: auto;
  }
}

@media (max-width: 880px) {
  .metrics-grid,
  .system-grid,
  .flow-board,
  .contact-section,
  .handover-grid {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  body {
    background-size: 34px 34px, 34px 34px, auto;
  }

  .app-shell {
    display: block;
  }

  .side-rail {
    position: sticky;
    top: 0;
    z-index: 40;
    gap: 8px;
    padding: 8px 10px 7px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 10, 15, 0.88);
    backdrop-filter: blur(22px);
  }

  .brand {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 9px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
  }

  .brand strong {
    font-size: 0.86rem;
  }

  .brand small {
    font-size: 0.68rem;
  }

  .rail-nav {
    display: flex;
    gap: 8px;
    margin-inline: -10px;
    padding: 0 10px 3px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .rail-nav::-webkit-scrollbar,
  .quick-prompts::-webkit-scrollbar {
    display: none;
  }

  .rail-nav a {
    flex: 0 0 auto;
    grid-template-columns: auto auto;
    gap: 8px;
    min-height: 34px;
    padding: 0 10px;
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.035);
    font-size: 0.84rem;
  }

  .topbar {
    position: fixed;
    top: auto;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 60;
    align-items: center;
    flex-direction: row;
    min-height: 52px;
    padding: 7px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    background: rgba(8, 10, 15, 0.86);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.48);
  }

  .topbar-actions {
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
  }

  .hero-actions {
    width: 100%;
  }

  .status-chip {
    min-height: 36px;
    padding: 0 9px;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .ghost-link {
    flex: 1;
    min-width: 0;
    min-height: 36px;
    padding: 0 9px;
    overflow: hidden;
    font-size: 0.78rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .icon-button {
    width: 38px;
    min-height: 38px;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  main {
    gap: 12px;
    padding: 10px 9px 88px;
  }

  main > section {
    scroll-margin-top: 94px;
  }

  .hero-copy,
  .chat-console,
  .visual-panel,
  .metrics-grid article,
  .systems-section,
  .flow-section,
  .contact-section,
  .handover-section,
  .system-card,
  .flow-column,
  .handover-panel,
  .request-form,
  .contact-status span {
    border-radius: 10px;
  }

  .workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    width: 100%;
    min-width: 0;
  }

  .workspace > *,
  .metrics-grid,
  .metrics-grid > *,
  .systems-section,
  .flow-section,
  .contact-section {
    min-width: 0;
    max-width: 100%;
  }

  .hero-copy {
    justify-content: flex-start;
    padding: 14px;
    background:
      linear-gradient(135deg, rgba(46, 230, 200, 0.12), rgba(255, 255, 255, 0.035) 42%),
      rgba(255, 255, 255, 0.045);
  }

  h1 {
    font-size: clamp(1.54rem, 8.2vw, 2.05rem);
    line-height: 1.02;
    hyphens: none;
  }

  h2 {
    font-size: clamp(1.32rem, 7.2vw, 1.82rem);
    line-height: 1.08;
  }

  .eyebrow {
    font-size: 0.6rem;
    line-height: 1.35;
  }

  .hero-copy h1 {
    margin-top: 9px;
  }

  .hero-copy > p:not(.eyebrow) {
    display: -webkit-box;
    margin-top: 9px;
    overflow: hidden;
    font-size: 0.88rem;
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
    margin-top: 12px;
  }

  .primary-button,
  .secondary-button {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.88rem;
  }

  .chat-console {
    min-height: 440px;
  }

  .console-header {
    grid-template-columns: auto 1fr auto;
    padding: 10px 11px;
  }

  .console-header strong {
    justify-self: center;
    font-size: 0.74rem;
  }

  .console-header > span:last-child {
    font-size: 0.72rem;
  }

  .chat-feed {
    padding: 12px 11px 14px;
  }

  .stream-line {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
    padding: 6px 0;
  }

  .stream-prefix {
    font-size: 0.68rem;
  }

  .stream-line p {
    font-size: 0.84rem;
    line-height: 1.62;
  }

  .quick-prompts {
    padding: 0 11px 10px;
  }

  .quick-prompts button {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.84rem;
  }

  .chat-form {
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 8px;
    padding: 10px 11px 11px;
  }

  .chat-form textarea {
    min-height: 40px;
    padding: 11px;
    font-size: 0.84rem;
  }

  .send-button {
    height: 40px;
  }

  .visual-panel img {
    height: 240px;
    object-position: 42% center;
  }

  .visual-panel::after {
    background:
      linear-gradient(180deg, rgba(8, 10, 15, 0.12), rgba(8, 10, 15, 0.78)),
      linear-gradient(90deg, rgba(8, 10, 15, 0.38), transparent 62%);
  }

  .scan-card {
    right: 12px;
    bottom: 12px;
    left: 12px;
    width: auto;
    padding: 11px;
  }

  .scan-card strong {
    font-size: 1.8rem;
  }

  .metrics-grid {
    gap: 8px;
  }

  .metrics-grid article {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 12px;
    font-size: 0.84rem;
  }

  .metrics-grid span {
    margin: 0;
    font-size: 1.22rem;
  }

  .systems-section,
  .flow-section,
  .contact-section,
  .handover-section {
    padding: 14px;
  }

  .section-title h2 {
    margin-top: 8px;
  }

  .system-grid,
  .flow-board,
  .handover-grid {
    display: flex;
    gap: 10px;
    margin: 14px -14px 0;
    padding: 0 14px 3px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .system-grid::-webkit-scrollbar,
  .flow-board::-webkit-scrollbar,
  .handover-grid::-webkit-scrollbar {
    display: none;
  }

  .system-card,
  .flow-column,
  .handover-panel {
    flex: 0 0 min(78vw, 286px);
    scroll-snap-align: start;
  }

  .system-card {
    min-height: 148px;
    padding: 13px;
  }

  .system-card span {
    margin-bottom: 16px;
  }

  .system-card h3 {
    font-size: 1.1rem;
  }

  .system-card p,
  .flow-column li {
    font-size: 0.9rem;
  }

  .flow-column {
    padding: 13px;
  }

  .handover-panel {
    min-height: 238px;
    padding: 13px;
  }

  .handover-panel span {
    margin-bottom: 16px;
  }

  .handover-panel h3 {
    font-size: 1.05rem;
  }

  .handover-panel li {
    font-size: 0.9rem;
  }

  .handover-accent .secondary-button {
    min-height: 40px;
    margin-top: 14px;
  }

  .contact-section {
    gap: 14px;
  }

  .contact-copy h2 {
    margin: 7px 0 10px;
  }

  .contact-copy > p:not(.eyebrow) {
    font-size: 0.88rem;
    line-height: 1.55;
  }

  .contact-status {
    gap: 7px;
    margin-top: 14px;
  }

  .contact-status span {
    min-height: auto;
    padding: 10px;
  }

  .contact-lines {
    padding-top: 14px;
  }

  .contact-lines a {
    grid-template-columns: 1fr;
    gap: 5px;
    min-height: auto;
    padding: 10px 0;
  }

  .contact-lines em {
    white-space: normal;
  }

  .contact-intake label,
  .contact-intake .primary-button,
  .contact-intake .form-status {
    margin-inline: 12px;
  }

  .intake-head {
    grid-template-columns: auto 1fr;
    padding: 10px 12px;
  }

  .intake-head small {
    grid-column: 2;
  }

  .request-form {
    gap: 10px;
  }

  .request-form label {
    font-size: 0.84rem;
  }

  .request-form input,
  .request-form textarea {
    padding: 10px;
    font-size: 0.84rem;
  }

  .site-footer {
    padding-bottom: 98px;
    font-size: 0.8rem;
  }
}

@media (max-width: 380px) {
  .rail-nav a {
    font-size: 0.84rem;
  }

  h1 {
    font-size: 1.82rem;
  }

  .status-chip {
    max-width: 116px;
  }

  .ghost-link {
    font-size: 0.78rem;
  }
}

@media (max-width: 640px) {
  .main-stage,
  main,
  main > section,
  .workspace,
  .workspace > *,
  .hero-copy,
  .chat-console,
  .visual-panel,
  .metrics-grid,
  .metrics-grid > *,
  .systems-section,
  .flow-section,
  .handover-section {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .hero-copy > *,
  .chat-console > *,
  .visual-panel > *,
  .systems-section > *,
  .flow-section > *,
  .handover-section > * {
    min-width: 0;
  }
}