:root {
  --ink-900: #1c2127;
  --ink-700: #3a4450;
  --ink-500: #5a6572;
  --ink-300: #9aa6b2;
  --ink-200: #c7d2dc;
  --ink-100: #e6edf3;
  --ink-50: #f3f6f9;
  --blue-500: #5a7ea5;
  --blue-200: #b7c8d8;
  --green-200: #b8cbbf;
  --sand-50: #f7f4ef;
  --accent: #6f8794;
  --shadow: 0 22px 60px rgba(24, 32, 40, 0.12);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Source Serif 4", sans-serif;
  color: var(--ink-900);
  background: radial-gradient(1200px 500px at 20% -10%, #e9eff5 0%, transparent 60%),
    radial-gradient(800px 500px at 90% 10%, #e6efe9 0%, transparent 65%),
    linear-gradient(180deg, #f7f8fa 0%, #f1f5f8 60%, #f8f5f0 100%);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 6vw 12px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.9) 0%, rgba(248, 250, 252, 0.6) 100%);
  backdrop-filter: blur(10px);
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #dbe7f2 0%, #bacbda 40%, #8ea3b3 100%);
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.7);
}

.brand-name {
  font-family: "Source Serif 4", serif;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

.brand-sub {
  color: var(--ink-500);
  font-size: 0.9rem;
}

.lang {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-button {
  border: 1px solid var(--ink-200);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-700);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.lang-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.75rem;
  background: var(--ink-100);
  color: var(--ink-700);
}

.lang-menu {
  position: absolute;
  top: 42px;
  right: 0;
  list-style: none;
  margin: 0;
  padding: 8px 0;
  border-radius: 12px;
  border: 1px solid var(--ink-200);
  background: #fff;
  box-shadow: var(--shadow);
  min-width: 160px;
  display: none;
}

.lang-menu li {
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--ink-700);
  cursor: pointer;
}

.lang-menu li:hover {
  background: var(--ink-50);
}

.lang.open .lang-menu {
  display: block;
}

.page {
  padding: 16px 6vw 40px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  font-size: 0.75rem;
}

.hero h1 {
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  margin: 12px 0 12px;
}

.lead {
  color: var(--ink-700);
  font-size: 1.05rem;
  line-height: 1.6;
}

.guardrails {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.guard-card {
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--ink-100);
}

.guard-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.guard-text {
  color: var(--ink-700);
  font-size: 0.95rem;
  line-height: 1.5;
}

.hero-panel {
  border-radius: var(--radius-xl);
  padding: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--ink-100);
  box-shadow: var(--shadow);
}

.panel-title {
  font-weight: 600;
  margin-bottom: 12px;
}

.flow {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
}

.flow li {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--ink-50);
  color: var(--ink-700);
}

.flow-note {
  font-size: 0.9rem;
  color: var(--ink-500);
}

.section {
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  margin: 0 0 8px;
}

.section-header p {
  color: var(--ink-700);
  margin: 0 0 18px;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.screen-card {
  border-radius: var(--radius-xl);
  padding: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--ink-100);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.screen-card.wide {
  grid-column: 1 / -1;
}

.screen-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  background: var(--ink-50);
  color: var(--ink-500);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.screen-purpose {
  margin: 0 0 10px;
  color: var(--ink-700);
}

.screen-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
  color: var(--ink-700);
  font-size: 0.93rem;
}

.screen-copy {
  font-weight: 500;
  color: var(--ink-900);
}

.mockup {
  border-radius: var(--radius-lg);
  background: var(--ink-50);
  padding: 14px;
  border: 1px solid var(--ink-100);
}

.mock-top {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink-700);
}

.mock-center {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.cta {
  background: linear-gradient(145deg, #c8d6e2, #b9c9d6);
  color: var(--ink-900);
  border: none;
  padding: 14px 22px;
  border-radius: 18px;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.mock-cards {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.mini-card {
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid var(--ink-100);
}

.mini-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.mini-meta {
  font-size: 0.8rem;
  color: var(--ink-500);
}

.bottom-nav {
  display: flex;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--ink-100);
}

.nav-item {
  font-size: 0.85rem;
  color: var(--ink-500);
}

.nav-item.active {
  color: var(--ink-900);
  font-weight: 600;
}

.record-list {
  display: grid;
  gap: 10px;
}

.record-item {
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--ink-100);
}

.record-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.record-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--ink-500);
}

.chip {
  background: var(--ink-50);
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--ink-500);
  font-weight: 500;
}

.template-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.template {
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--ink-100);
  font-size: 0.75rem;
  color: var(--ink-500);
}

.template.active {
  background: var(--blue-200);
  color: var(--ink-900);
  border-color: transparent;
}

.input-area {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--ink-100);
  padding: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink-900);
  background: #fff;
}

.hint {
  font-size: 0.8rem;
  color: var(--ink-500);
  margin-top: 6px;
}

.question {
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--ink-100);
  margin-bottom: 8px;
}

.question.muted {
  opacity: 0.7;
}

.q-text {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.q-actions {
  display: flex;
  gap: 8px;
}

.ghost {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--ink-200);
  background: var(--ink-50);
  font-size: 0.75rem;
  color: var(--ink-700);
}

.final-layout {
  display: grid;
  grid-template-columns: minmax(280px, 1.3fr) minmax(240px, 0.7fr);
  gap: 24px;
}

.analysis-title,
.decision-title {
  font-weight: 600;
  margin-bottom: 10px;
}

.analysis-card {
  border-radius: 16px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--ink-100);
  margin-bottom: 12px;
}

.analysis-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.analysis-label {
  font-weight: 600;
}

.analysis-key {
  font-size: 0.85rem;
  color: var(--ink-500);
}

.analysis-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-700);
  font-size: 0.9rem;
}

.analysis-card li {
  margin-bottom: 6px;
}

.analysis-card li.highlight {
  font-weight: 600;
  background: linear-gradient(90deg, rgba(210, 223, 232, 0.5) 0%, rgba(210, 223, 232, 0) 100%);
  padding: 2px 4px;
  border-radius: 6px;
}

.decision {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ink-100);
  height: fit-content;
}

.decision-note {
  color: var(--ink-500);
  font-size: 0.9rem;
}

.decision-buttons {
  display: grid;
  gap: 10px;
  margin: 14px 0 12px;
}

.decision-btn {
  border-radius: 14px;
  padding: 12px;
  border: 1px solid var(--ink-200);
  background: var(--ink-50);
  font-weight: 500;
  color: var(--ink-900);
}

.decision-btn:hover {
  background: var(--ink-100);
}

.decision-label {
  display: block;
  margin: 12px 0 6px;
  font-size: 0.85rem;
  color: var(--ink-500);
}

.decision-input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--ink-100);
  padding: 10px;
  font-family: inherit;
  background: #fff;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  align-items: center;
}

.lang-preview {
  border-radius: 18px;
  padding: 16px;
  background: var(--ink-50);
  border: 1px solid var(--ink-100);
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-chip {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--ink-700);
}

.lang-text {
  color: var(--ink-500);
}

.focus-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  color: var(--ink-700);
}

.partner-form {
  max-width: 520px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ink-100);
  box-shadow: var(--shadow);
}

.form-label {
  font-size: 0.85rem;
  color: var(--ink-500);
}

.form-input,
.form-textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--ink-100);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink-900);
}

.form-input:focus,
.form-textarea:focus {
  outline: 2px solid var(--blue-200);
  border-color: transparent;
}

.form-submit {
  align-self: flex-start;
  border-radius: 14px;
  padding: 10px 18px;
  border: 1px solid var(--ink-200);
  background: linear-gradient(145deg, #d2dbe3, #c2cdd7);
  color: var(--ink-900);
  font-weight: 500;
}

.form-note {
  font-size: 0.8rem;
  color: var(--ink-500);
}

.footer {
  padding: 20px 6vw 40px;
  color: var(--ink-500);
  font-size: 0.9rem;
}

.section.muted {
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  padding: 20px;
  border: 1px solid var(--ink-100);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section, .hero, .screen-card, .final-layout {
  animation: fadeUp 0.8s ease both;
}

@media (max-width: 900px) {
  .final-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .lang {
    align-self: flex-end;
  }
}