:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --ink-1: #0f1b2d;
  --ink-2: #3b4b63;
  --ink-3: #64748b;
  --line: #d7e1ef;
  --brand: #0057ff;
  --brand-2: #0a2f7a;
  --success: #0d8f5c;
  --warn: #b4690e;
  --danger: #c53737;
  --shadow: 0 24px 60px -34px rgba(22, 48, 88, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--ink-1);
  background:
    radial-gradient(1200px 400px at 10% -10%, #deebff 0%, transparent 55%),
    radial-gradient(900px 500px at 95% 0%, #dce7ff 0%, transparent 45%),
    var(--bg);
  line-height: 1.45;
}

a {
  color: var(--brand);
}

.shell {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 247, 251, 0.9);
  backdrop-filter: blur(10px);
}

.topbar-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-1);
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, #1e68ff, #072e87);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.brand-text {
  display: grid;
  gap: 1px;
}

.brand-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-sub {
  font-size: 12px;
  color: var(--ink-3);
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  text-decoration: none;
  color: var(--ink-2);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.nav a:hover {
  border-color: var(--line);
  background: #fff;
  color: var(--brand-2);
}

.nav a.is-active {
  border-color: color-mix(in srgb, var(--brand) 35%, var(--line));
  background: color-mix(in srgb, #fff 70%, #e8f0ff);
  color: var(--brand-2);
}

.hero {
  margin-top: 28px;
  padding: 30px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 160px at 10% 0, #eef4ff 0%, transparent 70%),
    radial-gradient(700px 180px at 90% 100%, #e5efff 0%, transparent 65%),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.4px;
}

.hero p {
  margin: 14px 0 0;
  font-size: 16px;
  color: var(--ink-2);
  max-width: 760px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #1a67ff, #0a3aa3);
  color: #fff;
  box-shadow: 0 16px 28px -18px rgba(7, 48, 131, 0.8);
}

.btn-primary:hover {
  box-shadow: 0 20px 34px -18px rgba(7, 48, 131, 0.9);
}

.btn-ghost {
  border-color: var(--line);
  background: #fff;
  color: var(--ink-1);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.card {
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 18px;
}

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

.card h2,
.card h3 {
  margin: 0 0 8px;
  line-height: 1.2;
}

.card h2 {
  font-size: 20px;
}

.card h3 {
  font-size: 17px;
}

.card p,
.card li {
  color: var(--ink-2);
}

.muted {
  color: var(--ink-3);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 12px;
}

.kpi {
  grid-column: span 12;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.kpi .label {
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 700;
}

.kpi .value {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.kpi .sub {
  margin-top: 5px;
  color: var(--ink-3);
  font-size: 12px;
}

.list-clean {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-clean li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.list-clean li:last-child {
  border-bottom: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
}

.pill.success {
  background: #e7fbf2;
  color: var(--success);
}

.pill.warn {
  background: #fff4df;
  color: var(--warn);
}

.pill.danger {
  background: #ffe9e9;
  color: var(--danger);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

th {
  color: var(--ink-3);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.progress-line {
  height: 8px;
  border-radius: 999px;
  background: #e8eef8;
  overflow: hidden;
}

.progress-line > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #0f63ff, #40a2ff);
}

.stack {
  display: grid;
  gap: 10px;
}

.two-col {
  display: grid;
  gap: 14px;
}

.notice {
  border-left: 4px solid var(--brand);
  background: #f3f7ff;
  border-radius: 10px;
  padding: 12px;
  color: var(--ink-2);
}

form {
  display: grid;
  gap: 11px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  color: var(--ink-2);
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-1);
  font: inherit;
  padding: 10px 11px;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--brand) 30%, transparent);
  border-color: var(--brand);
}

.form-note {
  margin-top: 2px;
  color: var(--ink-3);
  font-size: 12px;
}

.footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding: 18px 0 36px;
  color: var(--ink-3);
  font-size: 13px;
}

.footer a {
  color: var(--ink-2);
}

.fade-in {
  opacity: 0;
  transform: translateY(8px);
  animation: rise-in 0.45s ease forwards;
}

.fade-in.delay-1 {
  animation-delay: 0.08s;
}

.fade-in.delay-2 {
  animation-delay: 0.16s;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 760px) {
  .col-4 {
    grid-column: span 4;
  }

  .col-5 {
    grid-column: span 5;
  }

  .col-6 {
    grid-column: span 6;
  }

  .col-7 {
    grid-column: span 7;
  }

  .col-8 {
    grid-column: span 8;
  }

  .kpi {
    grid-column: span 4;
  }

  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 759px) {
  .shell {
    width: calc(100% - 20px);
  }

  .topbar-inner {
    padding: 10px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding: 22px;
    border-radius: 18px;
  }

  .card {
    border-radius: 14px;
  }
}

/* Tailwind-like utility layer for plain HTML pages (no build step needed) */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.grid-u { display: grid !important; }
.items-center { align-items: center !important; }
.items-start { align-items: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.flex-wrap { flex-wrap: wrap !important; }
.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }
.gap-4 { gap: 16px !important; }
.gap-5 { gap: 20px !important; }

.w-full { width: 100% !important; }
.max-w-sm { max-width: 480px !important; }
.max-w-md { max-width: 640px !important; }
.max-w-lg { max-width: 860px !important; }
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

.m-0 { margin: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.mt-5 { margin-top: 20px !important; }
.mt-6 { margin-top: 24px !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mb-5 { margin-bottom: 20px !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 4px !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 12px !important; }
.p-4 { padding: 16px !important; }
.p-5 { padding: 20px !important; }
.p-6 { padding: 24px !important; }
.px-3 { padding-left: 12px !important; padding-right: 12px !important; }
.px-4 { padding-left: 16px !important; padding-right: 16px !important; }
.py-2 { padding-top: 8px !important; padding-bottom: 8px !important; }
.py-3 { padding-top: 12px !important; padding-bottom: 12px !important; }

.rounded-sm { border-radius: 6px !important; }
.rounded { border-radius: 10px !important; }
.rounded-lg { border-radius: 14px !important; }
.rounded-xl { border-radius: 18px !important; }
.rounded-full { border-radius: 999px !important; }

.border { border: 1px solid var(--line) !important; }
.border-0 { border: none !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-none { box-shadow: none !important; }

.text-xs { font-size: 12px !important; }
.text-sm { font-size: 14px !important; }
.text-base { font-size: 16px !important; }
.text-lg { font-size: 18px !important; }
.text-xl { font-size: 22px !important; }
.font-medium { font-weight: 600 !important; }
.font-bold { font-weight: 700 !important; }
.font-extrabold { font-weight: 800 !important; }
.leading-tight { line-height: 1.2 !important; }
.leading-normal { line-height: 1.45 !important; }

.text-ink { color: var(--ink-1) !important; }
.text-muted { color: var(--ink-3) !important; }
.text-brand { color: var(--brand) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.bg-white { background: #fff !important; }
.bg-surface { background: var(--surface) !important; }
.bg-soft { background: var(--surface-soft) !important; }
.bg-brand { background: var(--brand) !important; color: #fff !important; }

.transition { transition: all 0.2s ease !important; }
.hover-up:hover { transform: translateY(-1px) !important; }

.hero-grid {
  display: grid;
  gap: 16px;
  align-items: start;
}

.hero-copy {
  display: grid;
  gap: 12px;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 16px;
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-2);
}

.feature-list li {
  margin: 7px 0;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
}

.metric-box {
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
}

.metric-box .m-label {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 700;
}

.metric-box .m-value {
  margin-top: 6px;
  font-size: 24px;
  font-weight: 800;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.pricing-card {
  grid-column: span 12;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 18px;
}

.pricing-card.featured {
  border-color: color-mix(in srgb, var(--brand) 40%, var(--line));
  box-shadow: 0 18px 40px -28px rgba(0, 71, 214, 0.65);
}

.price {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.5px;
}

.price small {
  font-size: 14px;
  color: var(--ink-3);
  font-weight: 700;
}

.cta-ribbon {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(120deg, #0c43b7, #0067ff);
  color: #fff;
  padding: 20px;
}

.cta-ribbon h3 {
  margin: 0 0 8px;
}

.cta-ribbon p {
  margin: 0;
  opacity: 0.95;
}

.trust-row {
  display: grid;
  gap: 10px;
}

.trust-item {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--ink-2);
  background: #fff;
}

.auth-note {
  margin-top: 8px;
  color: var(--ink-3);
  font-size: 12px;
}

@media (min-width: 760px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .metric-box {
    grid-column: span 4;
  }

  .pricing-card {
    grid-column: span 4;
  }

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

.dashboard-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.dash-sidebar {
  display: grid;
  align-content: start;
  gap: 8px;
}

.dash-tab-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-weight: 700;
  border-radius: 10px;
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
}

.dash-tab-btn:hover {
  border-color: color-mix(in srgb, var(--brand) 35%, var(--line));
  color: var(--brand-2);
}

.dash-tab-btn.is-active {
  border-color: color-mix(in srgb, var(--brand) 40%, var(--line));
  background: color-mix(in srgb, #fff 72%, #e8f0ff);
  color: var(--brand-2);
}

.dash-main {
  display: grid;
  gap: 14px;
}

.dash-panel {
  display: none;
}

.dash-panel.is-active {
  display: block;
}

.dash-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
  color: var(--ink-2);
}

.settings-box {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-2);
}

.dash-empty {
  color: var(--ink-3);
  font-size: 13px;
}

@media (min-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 260px 1fr;
    align-items: start;
  }

  .dash-sidebar {
    position: sticky;
    top: 90px;
  }
}