:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f8;
  --ink: #172033;
  --muted: #647084;
  --line: #d9e1ec;
  --primary: #1f6feb;
  --primary-dark: #174ea6;
  --active: #0f766e;
  --active-dark: #115e59;
  --success: #137333;
  --warning: #9a6700;
  --danger: #b42318;
  --radius: 8px;
  --shadow: 0 18px 40px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

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

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

.site-header,
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(16px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
  font-size: clamp(18px, 2vw, 24px);
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
}

.main-nav a:hover,
.link-button:hover {
  color: var(--primary);
}

.main-nav a {
  padding: 8px 10px;
  border-radius: var(--radius);
}

.main-nav a[aria-current="page"],
.main-nav a.is-active,
.link-button.is-active {
  color: #fff;
  background: var(--active);
  font-weight: 800;
}

.nav-action {
  padding: 9px 14px;
  color: #fff;
  background: var(--primary);
  border-radius: var(--radius);
}

.nav-action[aria-current="page"],
.nav-action.is-active {
  color: #fff;
  background: var(--active);
}

.main-nav a:active,
.link-button:active {
  color: #fff;
  background: var(--active-dark);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  padding: clamp(32px, 8vw, 96px);
  overflow: hidden;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 24, 45, 0.88), rgba(11, 24, 45, 0.54), rgba(11, 24, 45, 0.2));
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero h1,
.dashboard-title h1,
.auth-panel h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  max-width: 640px;
  font-size: 19px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow,
.auth-panel .eyebrow {
  color: #9dc2ff;
}

.hero-actions,
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

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

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

.button.primary:active,
.button.primary.is-active,
.button.primary[aria-current="page"] {
  background: var(--active-dark);
  border-color: var(--active-dark);
}

.button.secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.button.secondary:hover,
.button.secondary:active,
.button.secondary.is-active,
.button.secondary[aria-current="page"] {
  color: #fff;
  border-color: var(--active);
  background: var(--active);
}

.button:active,
.nav-action:active,
.link-button:active {
  transform: translateY(1px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.82;
}

.table-action.is-active {
  color: #fff;
  background: var(--active);
  border-radius: var(--radius);
  padding: 5px 8px;
}

.button:focus-visible,
.nav-action:focus-visible,
.link-button:focus-visible,
.main-nav a:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 3px;
}

.hero .button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.36);
}

.section {
  padding: clamp(44px, 7vw, 84px) clamp(16px, 5vw, 64px);
}

.section.muted {
  background: var(--surface-soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.panel h2 {
  margin: 0 0 8px;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.15;
}

.section-heading p,
.panel-heading p,
.auth-copy {
  margin: 0;
  color: var(--muted);
}

.feature-grid,
.product-grid,
.metric-grid,
.charts-grid {
  display: grid;
  gap: 18px;
}

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

.info-card,
.product-card,
.panel,
.metric-card,
.auth-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.06);
}

.info-card {
  padding: 22px;
}

.info-card h3,
.product-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.info-card p,
.product-card p {
  margin: 0;
  color: var(--muted);
}

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

.product-card {
  overflow: hidden;
}

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

.product-card div {
  padding: 16px;
}

.map-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 24px clamp(16px, 5vw, 64px);
  color: #fff;
  background: #172033;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.footer-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  color: #fff;
  background: var(--active);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--radius);
  font-weight: 800;
}

.footer-button:hover,
.footer-button:focus-visible {
  background: var(--active-dark);
}

.designer-section {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
}

.designer-layout {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 720px);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.designer-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.designer-content h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
}

.designer-content p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 18px;
}

.splash-page,
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #101827;
}

.splash,
.auth-shell {
  width: min(100%, 520px);
}

.splash {
  display: grid;
  justify-items: center;
  gap: 18px;
  color: #fff;
  text-align: center;
}

.splash-logo {
  width: min(360px, 82vw);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
}

.loader {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.auth-panel {
  padding: clamp(24px, 6vw, 42px);
  background: #172033;
  color: #fff;
  box-shadow: var(--shadow);
}

.auth-brand {
  margin-bottom: 28px;
}

.auth-form {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.auth-form input,
.form-panel input,
.form-panel select,
.form-panel textarea,
.search-input {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.form-message {
  min-height: 24px;
  margin: 6px 0 0;
  color: var(--warning);
}

.dashboard-page {
  background: #f3f6fa;
}

.dashboard-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 28px clamp(16px, 4vw, 40px) 48px;
}

.dashboard-title {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 22px;
}

.dashboard-title h1 {
  color: var(--ink);
  font-size: clamp(32px, 4vw, 48px);
}

.dashboard-title p {
  max-width: 740px;
  margin: 8px 0 0;
  color: var(--muted);
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(26px, 3vw, 38px);
}

.metric-card.danger strong {
  color: var(--danger);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.charts-grid {
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  margin-top: 18px;
}

.panel {
  min-width: 0;
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel h2 {
  font-size: 22px;
}

.form-panel {
  display: grid;
  gap: 10px;
}

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

label {
  color: #303b4f;
  font-weight: 700;
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
}

.table-wrap.compact {
  max-height: 360px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: #526074;
  background: #f8fafc;
  font-size: 13px;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.status.success {
  color: var(--success);
  background: #e7f4ea;
}

.status.warning {
  color: var(--warning);
  background: #fff4d6;
}

.status.danger {
  color: var(--danger);
  background: #fde8e7;
}

.table-action,
.link-button {
  padding: 0;
  color: var(--primary);
  background: none;
  border: 0;
  cursor: pointer;
  font-weight: 700;
}

.table-action + .table-action {
  margin-left: 10px;
}

.table-action:disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.danger-text {
  color: var(--danger);
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

.hidden {
  display: none;
}

canvas {
  max-height: 360px;
}

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

  .main-nav {
    flex-wrap: wrap;
  }

  .feature-grid,
  .product-grid,
  .metric-grid,
  .workspace-grid,
  .charts-grid,
  .designer-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 760px;
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: 680px;
    padding: 28px 18px;
  }

  .hero h1,
  .dashboard-title h1,
  .auth-panel h1 {
    font-size: 34px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .metric-card strong {
    font-size: 28px;
  }
}