/* © 2026 Robbe Wulgaert - AI in de Klas */

:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-strong: #f1ecff;
  --text: #17212f;
  --muted: #657286;
  --line: #d8e0ea;
  --primary: #5200FF;
  --primary-dark: #3d00bf;
  --success: #5200FF;
  --danger: #d0006f;
  --warning: #ffb000;
  --shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
  --brand: #5200FF;
  --brand-dark: #3700B3;
  --brand-soft: #f7f3ff;
  --accent: #3dffd0;
  --ink: #160033;
  --max-width: 1180px;
  --soft-shadow: 0 18px 55px rgba(32, 20, 54, 0.1);
  --font-body: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-size-hero: clamp(2.45rem, 7vw, 5.8rem);
  --font-size-section-title: clamp(1.8rem, 4vw, 3.25rem);
  --font-size-lead: clamp(1.05rem, 2vw, 1.32rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

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

button {
  border: 0;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-header,
/* Delphi-style landing alignment */
:root {
  --brand-dark: #3a00b8;
  --brand-softer: #f7f3ff;
  --accent: #03ddef;
  --line: #e2ddea;
  --bg: #f8f7f3;
  --card-shadow: 0 10px 30px rgba(32, 20, 54, 0.08);
  --font-body: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

.landing-page {
  background:
    radial-gradient(circle at top left, rgba(82, 0, 255, 0.09), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.site-header {
  border-bottom-color: rgba(226, 221, 234, 0.78);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--max-width), 100%);
  min-height: auto;
  padding: 16px 22px;
  gap: 24px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 24px rgba(82, 0, 255, 0.24);
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  border-radius: 999px;
  padding: 10px 12px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--brand);
  background: var(--brand-softer);
  outline: none;
}

.btn,
.menu-button {
  min-height: 46px;
  border-radius: 999px;
  padding: 13px 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  white-space: nowrap;
}

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

.btn-primary {
  box-shadow: 0 16px 30px rgba(82, 0, 255, 0.23);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
}

.step-card,
.feature-card,
.audience-card,
.privacy-grid .feature-card {
  border-radius: 20px;
  box-shadow: var(--card-shadow);
}

.schematic-frame,
.cta-band {
  border-radius: 24px;
}

.curriculum-section {
  border-top: 1px solid rgba(82, 0, 255, 0.1);
}

.family-tree {
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--card-shadow);
}

.tree-root {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.tree-node {
  display: block;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: #ffffff;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(82, 0, 255, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.tree-node strong {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-dark);
  font-size: 1.05rem;
  font-weight: 900;
}

.tree-node span {
  display: block;
  color: var(--muted);
  line-height: 1.45;
}

.tree-node.root {
  width: min(560px, 100%);
  border-color: var(--brand);
  background: var(--brand);
  text-align: center;
}

.tree-node.root strong,
.tree-node.root span {
  color: #ffffff;
}

.tree-node:hover,
.tree-node:focus-visible {
  border-color: var(--brand);
  box-shadow: 0 18px 38px rgba(82, 0, 255, 0.14);
  outline: none;
  transform: translateY(-2px);
}

.tree-branches {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tree-branches::before {
  content: "";
  position: absolute;
  top: -24px;
  left: 50%;
  width: 2px;
  height: 24px;
  background: var(--brand);
  opacity: 0.32;
}

.tree-branch {
  position: relative;
  border: 1.5px dashed rgba(82, 0, 255, 0.28);
  border-radius: 24px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(247, 243, 255, 0.92), rgba(255, 255, 255, 0.94));
}

.tree-branch::before {
  content: "";
  position: absolute;
  top: -17px;
  width: 50%;
  height: 17px;
  border-top: 2px solid rgba(82, 0, 255, 0.32);
}

.tree-branch:first-child::before {
  right: 0;
  border-left: 2px solid rgba(82, 0, 255, 0.32);
  border-radius: 14px 0 0 0;
}

.tree-branch:last-child::before {
  left: 0;
  border-right: 2px solid rgba(82, 0, 255, 0.32);
  border-radius: 0 14px 0 0;
}

.branch-title {
  display: inline-flex;
  margin-bottom: 14px;
  border-radius: 999px;
  padding: 8px 13px;
  background: var(--accent);
  color: #0d2130;
  font-weight: 900;
}

.tree-stack {
  display: grid;
  gap: 12px;
}

.tree-node.current {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(82, 0, 255, 0.08), 0 16px 32px rgba(82, 0, 255, 0.14);
}

.tree-node.dodona {
  background: linear-gradient(135deg, #ffffff, #dffff7);
  border-color: rgba(3, 221, 239, 0.72);
}

.delphi-dodona-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.logic-note {
  margin-top: 18px;
  border-left: 6px solid var(--brand);
  border-radius: 16px;
  padding: 16px;
  background: #ffffff;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 980px) {
  .tree-branches,
  .delphi-dodona-pair {
    grid-template-columns: 1fr;
  }

  .tree-branches::before,
  .tree-branch::before {
    display: none;
  }
}

@media (max-width: 560px) {
  .family-tree {
    padding: 16px;
  }
}

.app-footer {
  background: #160033;
  color: #ffffff;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  position: sticky;
  top: 0;
  z-index: 20;
}

.app-header h1 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: 0;
}

.header-actions,
.toolbar,
.calibration-actions,
.table-actions,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.app-footer {
  margin-top: 2rem;
  padding: 1rem;
  text-align: center;
}

.landing-page {
  background:
    radial-gradient(circle at top left, rgba(82, 0, 255, 0.09), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.site-header {
  border-bottom-color: rgba(226, 221, 234, 0.78);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--max-width), 100%);
  min-height: auto;
  padding: 16px 22px;
  gap: 24px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 24px rgba(82, 0, 255, 0.24);
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  border-radius: 999px;
  padding: 10px 12px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--brand);
  background: var(--brand-softer);
  outline: none;
}

.btn,
.menu-button {
  min-height: 46px;
  border-radius: 999px;
  padding: 13px 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  white-space: nowrap;
}

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

.btn-primary {
  box-shadow: 0 16px 30px rgba(82, 0, 255, 0.23);
}

.app-footer p {
  margin: 0;
  color: #efe8ff;
}

.app-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 1rem clamp(0.85rem, 3vw, 2rem) 2rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: #6c7a8d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.app-header .eyebrow {
  color: #d7c7ff;
}

.workflow-nav {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1rem 0;
}

.workflow-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin: 0.8rem 0 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.82);
}

.workflow-actions > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.workflow-actions-bottom {
  margin-top: 1rem;
}

.step-counter {
  color: var(--muted);
  font-weight: 850;
}

.workflow-step {
  min-height: 2.75rem;
  display: grid;
  place-items: center;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-align: center;
  text-decoration: none;
  font-weight: 750;
  border-radius: 8px;
}

.workflow-step.is-active,
.workflow-step.is-complete {
  border-color: var(--primary);
  background: #f0e8ff;
  color: var(--primary-dark);
}

.workflow-section {
  margin-top: 1rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.app-page.workflow-ready .workflow-section:not(.is-active-step) {
  display: none;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.section-heading h2,
.modal h2 {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  letter-spacing: 0;
}

.form-grid,
.trial-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.trial-editor {
  grid-template-columns: 1.2fr 1fr 1.2fr;
  margin: 1rem 0;
}

label {
  display: grid;
  gap: 0.35rem;
  color: #334154;
  font-weight: 720;
}

.field-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.jargon-help-button {
  position: relative;
  inline-size: 1.35rem;
  block-size: 1.35rem;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(82, 0, 255, 0.25);
  border-radius: 50%;
  padding: 0;
  background: #ffffff;
  color: var(--brand-dark, #3700b3);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
  cursor: help;
}

.jargon-help-button::after {
  content: attr(data-help-text);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.55rem);
  z-index: 40;
  width: min(17rem, 78vw);
  transform: translateX(-50%);
  border: 1px solid rgba(82, 0, 255, 0.18);
  border-radius: 8px;
  padding: 0.7rem 0.75rem;
  background: #160033;
  color: #ffffff;
  box-shadow: 0 16px 36px rgba(22, 0, 51, 0.24);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  text-align: left;
  transition: opacity 140ms ease, transform 140ms ease;
}

.jargon-help-button:hover::after,
.jargon-help-button:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.wide-field {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.68rem 0.75rem;
  background: #ffffff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

.primary-button,
.secondary-button,
.success-button,
.danger-button,
.ghost-button {
  min-height: 2.5rem;
  padding: 0.62rem 0.9rem;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--primary);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--primary-dark);
}

.secondary-button {
  background: #eee7ff;
  color: #2a0068;
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.success-button {
  background: var(--success);
  color: #ffffff;
}

.danger-button {
  background: var(--danger);
  color: #ffffff;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #ffffff;
  color: #344154;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 750;
}

.notice {
  border-left: 5px solid var(--warning);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  background: #fff7db;
  color: #4d3300;
}

.hidden {
  display: none !important;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
}

.checklist label {
  grid-template-columns: auto 1fr;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem;
  background: #fbfcfe;
  font-weight: 650;
}

.checklist label.steam-code-check-item {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.checklist input {
  width: 1.1rem;
  height: 1.1rem;
}

.steam-code-help-button {
  inline-size: 1.8rem;
  block-size: 1.8rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(82, 0, 255, 0.24);
  border-radius: 999px;
  padding: 0;
  background: #eee7ff;
  color: #2a0068;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(82, 0, 255, 0.1);
}

.steam-code-help-button:hover,
.steam-code-help-button:focus-visible {
  background: var(--brand, var(--primary, #5200ff));
  color: #ffffff;
  outline: none;
  transform: translateY(-1px);
}

.modal.steam-code-modal {
  width: min(560px, 100%);
  max-height: min(86vh, 760px);
  display: grid;
  gap: 0.9rem;
  overflow: auto;
  border: 1px solid rgba(82, 0, 255, 0.22);
  border-radius: 8px;
  padding: 1.45rem;
  box-shadow: 0 24px 70px rgba(22, 0, 51, 0.28);
}

.code-help-overlay {
  background: rgba(22, 0, 51, 0.72);
}

.modal.steam-code-modal::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 0.45rem;
  background: var(--brand, var(--primary, #5200ff));
}

.modal.steam-code-modal h2,
.modal.steam-code-modal p {
  margin: 0;
}

.modal.steam-code-modal h2 {
  color: var(--ink, #160033);
  font-size: 1.5rem;
  letter-spacing: 0;
}

.modal.steam-code-modal p {
  line-height: 1.55;
}

.steam-code-link {
  justify-self: start;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 0.72rem 0.9rem;
  background: #eee7ff;
  color: #2a0068;
  font-weight: 850;
  text-decoration: none;
}

.steam-code-link:hover,
.steam-code-link:focus-visible {
  background: var(--brand, var(--primary, #5200ff));
  color: #ffffff;
  outline: none;
}

.code-link-list {
  display: grid;
  gap: 0.6rem;
}

.serial-profile-field {
  max-width: 320px;
  display: grid;
  gap: 0.35rem;
  margin-top: 0.85rem;
  color: var(--muted);
  font-weight: 800;
}

.serial-profile-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.68rem 0.75rem;
  background: #ffffff;
  color: var(--text);
}

.import-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin: 1rem 0;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong, #f7f3ff);
}

.import-panel h3,
.import-panel p {
  margin: 0;
}

.import-panel h3 {
  color: var(--ink);
  font-size: 1rem;
  letter-spacing: 0;
}

.import-panel p {
  max-width: 58ch;
  color: var(--muted);
}

.import-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.file-input-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.text-link {
  color: var(--brand, var(--primary, #5200ff));
  font-weight: 850;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.calibration-layout,
.measurement-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 1rem;
  align-items: stretch;
}

.calibration-values {
  display: grid;
  gap: 0.5rem;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: #f7fafc;
}

.calibration-quality-panel {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  border-left: 0.35rem solid var(--muted);
  border-radius: 8px;
  padding: 0.95rem 1rem;
  background: #ffffff;
}

.sensor-explain {
  margin-top: 0.9rem;
  border: 1px solid rgba(82, 0, 255, 0.15);
  border-left: 0.35rem solid var(--brand, var(--primary, #5200ff));
  border-radius: 8px;
  padding: 0.9rem 1rem;
  background: #ffffff;
}

.sensor-explain strong {
  display: block;
  color: var(--ink, #160033);
}

.sensor-explain p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.calibration-quality-panel div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.calibration-quality-panel p,
.calibration-quality-panel small {
  margin: 0;
}

.calibration-quality-panel p {
  color: var(--text);
}

.calibration-quality-panel small,
.quality-label {
  color: var(--muted);
  font-weight: 800;
}

.calibration-quality-panel strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.calibration-quality-panel.is-good {
  border-left-color: var(--success, #00a66a);
  background: #f1fbf6;
}

.calibration-quality-panel.is-caution {
  border-left-color: var(--warning, #ffb000);
  background: #fff8e8;
}

.calibration-quality-panel.is-remeasure {
  border-left-color: var(--danger, #d0006f);
  background: #fff2f7;
}

.calibration-actions {
  margin-top: 1rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.metric {
  min-height: 7rem;
  display: grid;
  gap: 0.15rem;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--surface-strong);
}

.metric span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 720;
}

.metric strong {
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  letter-spacing: 0;
}

.metric small {
  color: var(--muted);
  font-weight: 700;
}

.formula-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1rem 0;
}

.formula-band div {
  display: grid;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
  background: #fbfcfe;
}

.formula-band span {
  color: var(--muted);
  line-height: 1.4;
}

.chart-panel {
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  background: #ffffff;
}

.chart-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-bottom: 0.65rem;
}

.chart-panel-header h3,
.chart-panel-header h2 {
  margin: 0;
  color: var(--ink, #160033);
  letter-spacing: 0;
}

.chart-expand-button {
  min-height: 2.25rem;
  padding: 0.48rem 0.75rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.chart-panel canvas {
  width: 100% !important;
  height: 335px !important;
}

.live-chart-panel canvas {
  height: 315px !important;
}

.comparison-chart-panel canvas {
  height: 380px !important;
}

.live-chart-modal {
  width: min(1180px, 100%);
  max-height: min(92vh, 980px);
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.live-chart-modal .chart-modal-header {
  margin: 0;
  padding-right: 2.75rem;
}

.live-chart-modal canvas {
  width: 100% !important;
  height: min(72vh, 680px) !important;
  min-height: 420px;
}

@media (max-width: 560px) {
  .chart-panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .chart-expand-button {
    width: 100%;
  }

  .live-chart-modal canvas {
    height: 58vh !important;
    min-height: 300px;
  }
}

.battery-panel {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: #f8fafc;
  text-align: center;
}

.battery-outline {
  position: relative;
  width: 3rem;
  height: 12rem;
  border: 2px solid #2a0068;
  border-radius: 8px;
  background: #ffffff;
  overflow: hidden;
}

.battery-tip {
  position: absolute;
  top: -0.45rem;
  left: 50%;
  width: 1.2rem;
  height: 0.45rem;
  transform: translateX(-50%);
  border-radius: 3px 3px 0 0;
  background: #2a0068;
}

.battery-level {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, #9f7aff, #5200ff);
  transition: height 0.5s ease;
}

#charge-percent {
  margin: 0.4rem 0 0;
  font-size: 1.35rem;
  font-weight: 850;
}

#time-remaining {
  margin: 0;
  color: var(--muted);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  background: #ffffff;
}

th,
td {
  padding: 0.7rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  background: #eee7ff;
  color: #2a0068;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.table-actions {
  justify-content: flex-end;
  margin: 1rem 0;
}

.report-actions {
  margin: 1rem 0 0;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(10, 18, 30, 0.72);
}

.modal {
  position: relative;
  width: min(680px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
  border-radius: 8px;
  padding: 1.25rem;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.large-modal {
  width: min(980px, 100%);
}

.large-modal img {
  display: block;
  width: 100%;
  height: auto;
}

.close-button {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #eee7ff;
  color: #2a0068;
  font-weight: 900;
  cursor: pointer;
}

.modal label {
  margin-top: 0.85rem;
}

.modal ol {
  padding-left: 1.3rem;
}

.muted {
  color: var(--muted);
}

.landing-page {
  background: #fbfaf7;
  color: #1d1930;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  background: var(--ink);
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(82, 0, 255, 0.12);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(var(--max-width), calc(100% - 2rem));
  min-height: 4.75rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand-link,
.nav-links,
.nav-actions,
.hero-actions,
.cta-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.brand-link {
  min-width: 15rem;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 900;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-title {
  font-weight: 900;
}

.brand-subtitle {
  color: #6c657d;
  font-size: 0.82rem;
  font-weight: 700;
}

.nav-links {
  gap: 1rem;
  color: #342a4e;
  font-size: 0.95rem;
  font-weight: 800;
}

.nav-links a,
.footer-links a {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--brand);
}

.nav-actions {
  gap: 0.65rem;
}

.btn,
.menu-button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0.72rem 1rem;
  text-decoration: none;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(82, 0, 255, 0.22);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary,
.menu-button {
  border: 1px solid rgba(82, 0, 255, 0.18);
  background: #ffffff;
  color: var(--brand-dark);
}

.btn-small {
  min-height: 2.45rem;
  padding: 0.62rem 0.86rem;
  font-size: 0.9rem;
}

.menu-button {
  display: none;
}

.landing-hero {
  min-height: min(640px, calc(100svh - 120px));
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(82, 0, 255, 0.1);
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.9) 48%, rgba(255, 255, 255, 0.34) 100%),
    url("media/smartplants_hero.jpg");
  background-position: center right;
  background-size: cover;
}

.hero-content {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 6rem) 0;
}

.hero-content > * {
  max-width: 690px;
}

.landing-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: var(--font-size-hero);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lead {
  margin: 1.3rem 0 0;
  color: #413854;
  font-size: var(--font-size-lead);
  line-height: 1.55;
  font-weight: 650;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.section {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.75rem) 0;
}

.section-kicker {
  margin: 0 0 0.7rem;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-title {
  max-width: 840px;
  margin: 0;
  color: var(--ink);
  font-size: var(--font-size-section-title);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-lead {
  max-width: 820px;
  margin: 1rem 0 0;
  color: #4c465d;
  font-size: 1.08rem;
  line-height: 1.7;
}

.steps,
.feature-grid,
.privacy-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.steps {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

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

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

.step-card,
.feature-card,
.audience-card {
  border: 1px solid rgba(82, 0, 255, 0.12);
  border-radius: 8px;
  padding: 1.25rem;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(32, 20, 54, 0.06);
}

.step-number,
.feature-icon {
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 900;
}

.card-title {
  margin: 1rem 0 0;
  color: var(--ink);
  font-size: 1.12rem;
  letter-spacing: 0;
}

.card-copy {
  margin: 0.55rem 0 0;
  color: #554e63;
  line-height: 1.65;
}

.card-copy code {
  color: var(--brand-dark);
  font-weight: 850;
}

.media-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.photo-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(82, 0, 255, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.photo-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.2rem;
  align-items: stretch;
}

.setup-photo-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(82, 0, 255, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.setup-photo-frame img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.schematic-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(82, 0, 255, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.schematic-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f4f6f8;
}

.schematic-frame figcaption {
  border-top: 1px solid rgba(82, 0, 255, 0.1);
  padding: 0.85rem 1rem;
  color: #615b70;
  font-size: 0.9rem;
  font-weight: 700;
}

.schema-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.schema-reference-grid .schematic-frame {
  min-width: 0;
}

.split > .schema-reference-grid {
  grid-template-columns: 1fr;
}

.schema-reference-grid img {
  aspect-ratio: 16 / 11;
}

.schema-zoom-button {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  min-height: 2.25rem;
  border: 1px solid rgba(82, 0, 255, 0.2);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--brand-dark, #3700b3);
  box-shadow: 0 10px 24px rgba(22, 0, 51, 0.12);
  font-weight: 900;
  cursor: pointer;
  transition:
    transform var(--motion-medium, 260ms) var(--ease-out, ease),
    box-shadow var(--motion-medium, 260ms) var(--ease-out, ease),
    background var(--motion-fast, 150ms) var(--ease-standard, ease),
    color var(--motion-fast, 150ms) var(--ease-standard, ease);
}

.schema-zoom-button:hover,
.schema-zoom-button:focus-visible {
  background: var(--brand, #5200ff);
  color: #ffffff;
  outline: none;
  transform: translateY(-2px);
}

.image-viewer-modal {
  width: min(1180px, 100%);
  max-height: min(92vh, 980px);
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.image-viewer-modal img {
  display: block;
  width: 100%;
  max-height: min(76vh, 780px);
  object-fit: contain;
  border: 1px solid rgba(82, 0, 255, 0.12);
  border-radius: 8px;
  background: #f4f6f8;
}

.schema-viewer-caption {
  margin: 0;
  color: var(--muted, #625b70);
  font-weight: 750;
  line-height: 1.5;
}

.schema-warning {
  border: 1px solid rgba(208, 0, 111, 0.22);
  border-radius: 8px;
  padding: 0.95rem 1rem;
  background: #fff1f7;
  color: #5f1640;
  font-weight: 750;
  line-height: 1.55;
}

.bullet-list {
  margin: 1.2rem 0 0;
  padding-left: 1.2rem;
  color: #4d465e;
  line-height: 1.75;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  border-radius: 8px;
  padding: clamp(1.35rem, 4vw, 2.4rem);
  background: var(--ink);
  color: #ffffff;
  box-shadow: var(--soft-shadow);
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  letter-spacing: 0;
}

.cta-band p {
  max-width: 640px;
  margin: 0.55rem 0 0;
  color: #dfd7ef;
  line-height: 1.6;
}

.cta-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.site-footer {
  margin-top: 2rem;
  background: var(--ink);
  color: #ffffff;
}

.footer-inner {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.footer-title {
  font-weight: 900;
}

.site-footer p {
  margin: 0.5rem 0 0;
  color: #d9d0e8;
  line-height: 1.55;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
  color: #efe9ff;
  font-weight: 800;
}

.landing-page {
  background:
    radial-gradient(circle at top left, rgba(82, 0, 255, 0.09), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.site-header {
  border-bottom-color: rgba(226, 221, 234, 0.78);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--max-width), 100%);
  min-height: auto;
  padding: 16px 22px;
  gap: 24px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 24px rgba(82, 0, 255, 0.24);
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  border-radius: 999px;
  padding: 10px 12px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--brand);
  background: var(--brand-softer);
  outline: none;
}

.btn,
.menu-button {
  min-height: 46px;
  border-radius: 999px;
  padding: 13px 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  white-space: nowrap;
}

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

.btn-primary {
  box-shadow: 0 16px 30px rgba(82, 0, 255, 0.23);
}

.step-card,
.feature-card,
.audience-card,
.privacy-grid .feature-card {
  border-radius: 20px;
  box-shadow: var(--card-shadow);
}

.schematic-frame,
.cta-band {
  border-radius: 24px;
}

@media (max-width: 980px) {
  .app-header,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .metrics-grid,
  .formula-band,
  .checklist,
  .form-grid,
  .trial-editor,
  .calibration-layout,
  .measurement-layout {
    grid-template-columns: 1fr;
  }

  .nav {
    min-height: auto;
    padding: 0.8rem 0;
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding-top: 0.3rem;
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: 1fr;
  }

  .menu-button {
    display: inline-flex;
  }

  .nav-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-actions .btn {
    width: auto;
  }

  .landing-hero {
    background-image:
      linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 60%, rgba(255, 255, 255, 0.68) 100%),
      url("media/smartplants_hero.jpg");
  }

  .steps,
  .feature-grid,
  .media-gallery,
  .privacy-grid,
  .split,
  .schema-reference-grid {
    grid-template-columns: 1fr;
  }

  .setup-photo-frame img {
    min-height: 300px;
  }

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

  .cta-actions,
  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .workflow-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .workflow-actions > div {
    width: 100%;
  }

  .workflow-actions button {
    flex: 1 1 0;
  }

  .toolbar,
  .calibration-actions,
  .header-actions,
  .table-actions {
    width: 100%;
  }

  .toolbar button,
  .calibration-actions button,
  .header-actions button,
  .header-actions .header-link,
  .table-actions button {
    flex: 1 1 100%;
  }

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

  .brand-subtitle {
    display: none;
  }

  .nav-actions {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
  }

  .nav-actions .btn,
  .nav-actions .menu-button {
    flex: 1 1 auto;
    min-width: 0;
  }

  .nav-links {
    padding: 0.5rem 0 0.2rem;
  }

  .landing-hero {
    min-height: min(540px, calc(100svh - 112px));
  }

  .landing-hero h1 {
    font-size: clamp(2.15rem, 13vw, 3.1rem);
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .cta-actions {
    width: 100%;
  }
}

/* Platform visual consistency shared with the current landing pages. */
.app-page {
  --brand: #5200ff;
  --brand-dark: #3700b3;
  --brand-softer: #f7f3ff;
  --accent: #3dffd0;
  --bg: #f8f7f3;
  --surface: #ffffff;
  --text: #1d1930;
  --muted: #625b70;
  --line: #e2ddea;
  --primary: var(--brand);
  --primary-dark: var(--brand-dark);
  --success: var(--brand);
  --shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
  --font-body: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(82, 0, 255, 0.08), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--text);
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  min-height: 100vh;
}

.app-page .app-shell {
  flex: 1 0 auto;
}

.app-page .app-header,
.app-page .app-footer {
  background: #160033;
  color: #ffffff;
}

.app-page .app-footer {
  margin-top: auto;
  flex-shrink: 0;
}

.app-page .app-header {
  padding: 1rem max(1rem, calc((100% - 1480px) / 2));
}

.app-page .primary-button,
.app-page .secondary-button,
.app-page .success-button,
.app-page .danger-button,
.app-page .ghost-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  white-space: nowrap;
}

.app-page .primary-button,
.app-page .success-button {
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 16px 30px rgba(82, 0, 255, 0.23);
}

.app-page .primary-button:hover,
.app-page .success-button:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.app-page .secondary-button,
.app-page .ghost-button {
  border: 1px solid rgba(82, 0, 255, 0.18);
  background: #ffffff;
  color: var(--brand-dark);
}

.app-page .secondary-button:hover,
.app-page .ghost-button:hover {
  background: var(--brand-softer);
  border-color: rgba(82, 0, 255, 0.4);
  transform: translateY(-1px);
}

.app-page .workflow-step {
  border-color: var(--line);
  color: var(--text);
}

.app-page .workflow-step.is-active {
  border-color: var(--brand);
  background: var(--brand-softer);
  color: var(--brand-dark);
}

.app-page .workflow-step.is-complete {
  border-color: var(--brand);
  background: var(--brand);
  color: #ffffff;
}

.app-page .workflow-section,
.app-page .checklist label,
.app-page .formula-card,
.app-page .metrics-card,
.app-page .diagnostics-panel,
.app-page .calibration-values,
.app-page .trial-panel,
.app-page .chart-panel,
.app-page .data-table-wrapper {
  border-color: var(--line);
}

.app-page input:focus,
.app-page select:focus,
.app-page textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(82, 0, 255, 0.12);
  outline: none;
}

@media (max-width: 560px) {
  .app-page .header-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-page .header-actions > * {
    min-width: 0;
    width: 100%;
  }

  .app-page .primary-button,
  .app-page .secondary-button,
  .app-page .success-button,
  .app-page .danger-button,
  .app-page .ghost-button {
    width: 100%;
    white-space: normal;
  }
}

/* JS in de Klas platformheader alignment. */
.app-page .app-header {
  background: #fff;
  color: var(--text);
  border-bottom: 1.5px solid #eee;
  box-shadow: none;
  padding: 0.8rem 1.2rem;
}

.app-page .app-header h1 {
  color: var(--text);
}

.app-page .app-header .eyebrow {
  color: var(--brand);
}

.app-page .header-actions {
  gap: 0.6rem;
}

.app-page .primary-button,
.app-page .secondary-button,
.app-page .success-button,
.app-page .danger-button,
.app-page .ghost-button {
  min-height: 42px;
  border-radius: 8px;
  padding: 0.7em 1.1em;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(82, 0, 255, 0.08);
}

.app-page .primary-button,
.app-page .success-button {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 2px 8px rgba(82, 0, 255, 0.10);
}

.app-page .primary-button:hover,
.app-page .success-button:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.app-page .secondary-button,
.app-page .ghost-button {
  background: #fff;
  color: var(--brand-dark);
  border: 1px solid rgba(82, 0, 255, 0.22);
}

.app-page .status-pill {
  min-height: 38px;
  border-color: #ece6fa;
  background: #fff;
  color: var(--brand-dark);
  box-shadow: 0 2px 8px rgba(82, 0, 255, 0.06);
}

.app-page .workflow-nav {
  gap: 0.65rem;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.app-page .workflow-step {
  border-radius: 999px;
  background: #fff;
  color: var(--brand-dark);
}

.app-page .workflow-step.is-active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px #ece6fa;
}

.app-page #measurement > .toolbar {
  column-gap: 1.05rem;
  row-gap: 0.8rem;
  margin-top: 1rem;
}

.app-page #measurement #btn-start,
.app-page #measurement #btn-stop {
  min-width: 9.5rem;
}

@media (max-width: 560px) {
  .app-page .app-header {
    padding: 0.8rem 1.2rem;
  }

  .app-page #measurement #btn-start,
  .app-page #measurement #btn-stop {
    min-width: 0;
  }
}

/* Smart Plants step 2 additions: Arduino diagnostics and soil calibration. */
.app-page .control-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 1.15rem;
}

.app-page .diagnostics-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--surface-strong, #f7f3ff);
}

.app-page .diagnostics-panel h3 {
  margin: 0 0 0.45rem;
  color: var(--ink);
}

.app-page .diagnostics-panel p,
.app-page .diagnostics-panel ul {
  margin-top: 0;
}

.app-page .diagnostics-panel small {
  display: block;
  color: var(--muted);
  word-break: break-word;
}

.app-page .form-grid .wide {
  grid-column: 1 / -1;
}

.app-page .formula-band button {
  margin-top: 0.75rem;
  width: fit-content;
}

.app-page .chart-panel h3 {
  margin-top: 0;
}

@media (max-width: 900px) {
  .app-page .control-panel {
    grid-template-columns: 1fr;
  }
}

/* Motion and interface polish shared by the landing page and platform. */
:root {
  --motion-fast: 150ms;
  --motion-medium: 260ms;
  --motion-slow: 520ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes smartplants-soft-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 12px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes smartplants-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.landing-page .privacy-grid {
  grid-template-columns: minmax(0, 1fr);
  width: 100%;
}

.landing-page .privacy-grid .feature-card {
  min-height: 10rem;
}

.landing-page .privacy-grid .card-copy {
  max-width: 76ch;
}

.landing-page .btn,
.landing-page .menu-button,
.landing-page .nav-links a,
.landing-page .language-toggle button,
.landing-page .step-card,
.landing-page .feature-card,
.landing-page .audience-card,
.landing-page .photo-card,
.landing-page .tree-node,
.landing-page .cta-band,
.app-page .primary-button,
.app-page .secondary-button,
.app-page .success-button,
.app-page .danger-button,
.app-page .ghost-button,
.app-page .workflow-step,
.app-page .workflow-actions,
.app-page .workflow-section,
.app-page .metric,
.app-page .formula-band div,
.app-page .chart-panel,
.app-page .calibration-values,
.app-page .calibration-quality-panel,
.app-page .diagnostics-panel,
.app-page .trial-panel,
.app-page .table-wrap,
.app-page .data-table-wrapper,
.app-page .status-pill {
  transition:
    transform var(--motion-medium) var(--ease-out),
    box-shadow var(--motion-medium) var(--ease-out),
    border-color var(--motion-fast) var(--ease-standard),
    background var(--motion-fast) var(--ease-standard),
    background-color var(--motion-fast) var(--ease-standard),
    color var(--motion-fast) var(--ease-standard);
}

.landing-page .photo-card img,
.landing-page .setup-photo-frame img,
.landing-page .schematic-frame img {
  transition: transform var(--motion-slow) var(--ease-out);
}

.landing-page .step-card:hover,
.landing-page .feature-card:hover,
.landing-page .audience-card:hover,
.landing-page .photo-card:hover,
.landing-page .tree-node:hover,
.app-page .metric:hover,
.app-page .formula-band div:hover,
.app-page .chart-panel:hover,
.app-page .diagnostics-panel:hover,
.app-page .calibration-values:hover,
.app-page .calibration-quality-panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(32, 20, 54, 0.11);
}

.landing-page .photo-card:hover img,
.landing-page .setup-photo-frame:hover img {
  transform: scale(1.025);
}

.app-page .workflow-step:hover,
.app-page .workflow-step:focus-visible {
  border-color: var(--brand);
  background: var(--brand-softer);
  color: var(--brand-dark);
  transform: translateY(-2px);
}

.app-page .workflow-step.is-active:hover,
.app-page .workflow-step.is-active:focus-visible {
  background: var(--brand);
  color: #ffffff;
}

.landing-page .btn:focus-visible,
.landing-page .menu-button:focus-visible,
.landing-page .nav-links a:focus-visible,
.landing-page .language-toggle button:focus-visible,
.app-page button:focus-visible,
.app-page a:focus-visible,
.app-page input:focus-visible,
.app-page select:focus-visible,
.app-page textarea:focus-visible {
  outline: 3px solid rgba(61, 255, 208, 0.75);
  outline-offset: 3px;
}

.overlay:not(.hidden) {
  animation: smartplants-fade-in var(--motion-medium) var(--ease-standard) both;
}

.overlay:not(.hidden) .modal {
  animation: smartplants-soft-rise var(--motion-medium) var(--ease-out) both;
}

@media (prefers-reduced-motion: no-preference) {
  .landing-page .hero-content > *,
  .landing-page .section-kicker,
  .landing-page .section-title,
  .landing-page .section-lead,
  .landing-page .steps,
  .landing-page .feature-grid,
  .landing-page .media-gallery,
  .landing-page .split,
  .landing-page .family-tree,
  .landing-page .audience-card,
  .landing-page .privacy-grid,
  .landing-page .cta-band,
  .app-page.workflow-ready .workflow-section.is-active-step {
    animation: smartplants-soft-rise var(--motion-slow) var(--ease-out) both;
  }

  .landing-page .hero-content > :nth-child(2),
  .landing-page .feature-grid,
  .landing-page .media-gallery,
  .landing-page .privacy-grid,
  .app-page.workflow-ready .workflow-section.is-active-step {
    animation-delay: 70ms;
  }

  .landing-page .hero-content > :nth-child(3),
  .landing-page .steps,
  .landing-page .split,
  .landing-page .family-tree,
  .landing-page .cta-band {
    animation-delay: 120ms;
  }

  .app-page.workflow-ready .workflow-section.is-active-step {
    animation-duration: var(--motion-medium);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Landing-page mobile navigation contract. */
.nav-panel {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.menu-button-icon,
.menu-button-icon::before,
.menu-button-icon::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  content: "";
  transition: transform 150ms ease, opacity 150ms ease;
}

.menu-button-icon {
  position: relative;
}

.menu-button-icon::before,
.menu-button-icon::after {
  position: absolute;
  left: 0;
}

.menu-button-icon::before { top: -0.38rem; }
.menu-button-icon::after { top: 0.38rem; }

@media (min-width: 761px) {
  .nav-panel,
  .nav-panel .nav-links,
  .nav-panel .nav-actions {
    display: flex;
    align-items: center;
  }

  .nav-panel { gap: 0.65rem; }
  .menu-button { display: none; }
}

@media (max-width: 760px) {
  .nav {
    min-height: 4.5rem;
    padding: 0.7rem 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.7rem;
  }

  .menu-button {
    display: inline-flex;
    flex: 0 0 2.75rem;
    width: 2.75rem;
    min-height: 2.75rem;
    padding: 0;
  }

  .menu-button[aria-expanded="true"] .menu-button-icon { background: transparent; }
  .menu-button[aria-expanded="true"] .menu-button-icon::before { transform: translateY(0.38rem) rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-button-icon::after { transform: translateY(-0.38rem) rotate(-45deg); }

  .brand-link { min-width: 0; }
  .brand-mark,
  .brand-subtitle { display: none; }
  .brand-title { font-size: 1rem; }

  .nav-panel {
    display: none;
    flex-basis: 100%;
    width: 100%;
    gap: 0.9rem;
    padding: 0.6rem 0 0.2rem;
  }

  .nav-panel.is-open { display: grid; }

  .nav-panel .nav-links,
  .nav-panel .nav-actions {
    display: grid;
    width: 100%;
    gap: 0.55rem;
  }

  .nav-panel .nav-links { order: 0; }
  .nav-panel .nav-actions { order: 1; }
  .nav-panel .language-toggle { order: 0; }

  .nav-panel .nav-links a,
  .nav-panel .nav-actions .btn {
    width: 100%;
  }

  .nav-panel .nav-links a { padding: 0.8rem 0.75rem; }
  .nav-panel .language-toggle { justify-self: start; }
}