:root {
  --bg: #eef5f4;
  --bg-accent: #d7ebe8;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --ink: #122325;
  --muted: #537174;
  --accent: #0f8b8d;
  --accent-deep: #0a5d5f;
  --warm: #f27f3d;
  --line: rgba(18, 35, 37, 0.1);
  --shadow: 0 24px 70px rgba(15, 77, 82, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 139, 141, 0.22), transparent 28%),
    radial-gradient(circle at right 20%, rgba(242, 127, 61, 0.12), transparent 22%),
    linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 45%, #f6fbfa 100%);
}

.page-shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero,
.workspace {
  display: grid;
  gap: 24px;
}

.hero {
  grid-template-columns: 1.25fr 0.85fr;
  margin-bottom: 24px;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 38px;
}

.eyebrow,
.panel-kicker,
.hero-card-label,
.prompt-label,
.helper-text,
.pill-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--muted);
}

.hero h1,
.panel h2,
.mini-card h3 {
  margin: 0;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.93;
}

.hero-text,
.hero-card-text,
.mini-card p,
.knowledge-list,
.message-body {
  line-height: 1.65;
}

.hero-text {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions,
.chat-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 24px;
}

.primary-button,
.ghost-button,
.chip {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.primary-button {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 139, 141, 0.22);
}

.ghost-button {
  background: rgba(18, 35, 37, 0.06);
  color: var(--ink);
}

.primary-button:hover,
.ghost-button:hover,
.chip:hover {
  transform: translateY(-1px);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(18, 35, 37, 0.08);
}

.hero-card {
  padding: 32px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(231, 245, 243, 0.92));
}

.hero-card h2 {
  margin-top: 16px;
  font-size: clamp(2.1rem, 4vw, 3rem);
  line-height: 0.94;
}

.hero-card-text {
  max-width: 28ch;
  margin: 14px 0 0;
  color: var(--muted);
}

.info-stack {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.info-pill {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(18, 35, 37, 0.08);
}

.workspace {
  grid-template-columns: 0.92fr 1.08fr;
}

.panel {
  padding: 28px;
}

.panel-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.panel h2 {
  font-size: 2rem;
}

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

.mini-card,
.knowledge-card,
.lead-card {
  border: 1px solid rgba(18, 35, 37, 0.08);
  border-radius: 22px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.mini-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.warning-card {
  background: rgba(242, 127, 61, 0.09);
}

.knowledge-card {
  margin-top: 18px;
}

.lead-card {
  margin-top: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(235, 248, 246, 0.9));
}

.lead-heading {
  margin-bottom: 18px;
}

.knowledge-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.lead-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.94rem;
  font-weight: 500;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 12px;
}

.lead-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.lead-status {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.chat-panel {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 760px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.chip {
  background: rgba(15, 139, 141, 0.1);
  color: var(--accent-deep);
  padding: 10px 14px;
}

.chat-log {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 420px;
  max-height: 560px;
  overflow: auto;
  padding-right: 4px;
}

.message {
  max-width: min(92%, 720px);
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(18, 35, 37, 0.08);
  animation: rise-in 220ms ease;
}

.message.user {
  align-self: flex-end;
  background: rgba(15, 139, 141, 0.12);
}

.message.assistant {
  align-self: flex-start;
}

.message-meta {
  margin-bottom: 8px;
}

.message-author {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.message-body {
  margin: 0;
  white-space: pre-wrap;
}

.chat-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(18, 35, 37, 0.12);
  border-radius: 20px;
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 84px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(15, 139, 141, 0.6);
  box-shadow: 0 0 0 4px rgba(15, 139, 141, 0.1);
}

.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;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 20px, 1220px);
  }

  .hero-copy,
  .hero-card,
  .panel {
    padding: 22px;
    border-radius: 24px;
  }

  .hero-points,
  .capability-grid,
  .field-row {
    grid-template-columns: 1fr;
  }

  .lead-actions,
  .chat-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .message {
    max-width: 100%;
  }
}