:root {
    --ks-bg: #f4f8fb;
    --ks-card: #ffffff;
    --ks-ink: #102331;
    --ks-muted: #5d7080;
    --ks-line: #dce7ee;
    --ks-primary: #0f86b6;
    --ks-primary-dark: #0b6288;
    --ks-accent: #0f6fff;
    --ks-soft: #eaf6f9;
    --ks-radius: 18px;
    --ks-shadow: 0 24px 70px rgba(15, 52, 75, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ks-ink);
    background:
        radial-gradient(circle at top left, rgba(15, 134, 182, 0.14), transparent 28%),
        linear-gradient(180deg, var(--ks-bg), #fff 36%, #fbfdff);
}

a {
    color: inherit;
}

.ks-container {
    width: min(calc(100% - 32px), 1120px);
    margin: 0 auto;
}

.ks-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--ks-line);
}

.ks-topbar__inner,
.ks-nav,
.ks-actions,
.ks-row,
.ks-topbar__cta {
    display: flex;
    align-items: center;
}

.ks-topbar__inner {
    min-height: 72px;
    justify-content: space-between;
    gap: 18px;
}

.ks-topbar__cta {
    gap: 12px;
}

.ks-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    text-decoration: none;
}

.ks-brand__mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--ks-primary), var(--ks-accent));
}

.ks-nav {
    gap: 10px;
}

.ks-nav a {
    padding: 10px 12px;
    color: var(--ks-muted);
    font-size: 0.94rem;
    font-weight: 700;
    text-decoration: none;
}

.ks-btn,
button.ks-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid var(--ks-line);
    border-radius: 10px;
    background: #fff;
    color: var(--ks-ink);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.ks-btn--primary,
button.ks-btn--primary {
    border-color: var(--ks-primary);
    background: linear-gradient(135deg, var(--ks-primary), var(--ks-accent));
    color: #fff;
}

.ks-btn--block {
    width: 100%;
}

.ks-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid var(--ks-line);
    border-radius: 10px;
    background: #fff;
    color: var(--ks-ink);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
}

.ks-hero,
.ks-section {
    padding: 84px 0;
}

.ks-hero__grid,
.ks-split,
.ks-grid-3,
.ks-grid-4,
.ks-pricing {
    display: grid;
    gap: 24px;
}

.ks-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
}

.ks-eyebrow {
    margin: 0 0 14px;
    color: var(--ks-primary-dark);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    font-size: clamp(2.75rem, 6vw, 5.2rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

p {
    color: var(--ks-muted);
    line-height: 1.8;
}

.ks-lead {
    max-width: 62ch;
    font-size: 1.12rem;
}

.ks-actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.ks-bullets,
.ks-list {
    display: grid;
    gap: 10px;
    padding: 0;
    list-style: none;
}

.ks-bullets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 28px;
}

.ks-bullets li,
.ks-list li {
    padding: 12px 14px;
    border: 1px solid var(--ks-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--ks-ink);
    font-weight: 700;
}

.ks-mockup,
.ks-card,
.ks-price-card,
.ks-table-card,
.ks-auth-card {
    border: 1px solid var(--ks-line);
    border-radius: var(--ks-radius);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--ks-shadow);
}

.ks-mockup {
    padding: 24px;
}

.ks-mockup__bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.ks-mockup__bar span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #b8cad5;
}

.ks-mockup__screen {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 18px;
}

.ks-mockup__side {
    min-height: 320px;
    padding: 18px;
    border-radius: 18px;
    background: #102f3d;
}

.ks-mockup__side span,
.ks-mockup__panel span {
    display: block;
    height: 34px;
    margin-bottom: 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
}

.ks-mockup__side span:first-child {
    background: var(--ks-accent);
}

.ks-mockup__panel {
    min-height: 320px;
    padding: 20px;
    border-radius: 18px;
    background: linear-gradient(180deg, #fff, #f0f8fb);
}

.ks-chart {
    display: flex;
    align-items: end;
    gap: 12px;
    height: 150px;
    margin-top: 24px;
}

.ks-chart i {
    flex: 1;
    border-radius: 999px 999px 8px 8px;
    background: linear-gradient(180deg, #9bd4e6, var(--ks-accent));
}

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

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

.ks-card,
.ks-price-card,
.ks-table-card,
.ks-auth-card {
    padding: 26px;
}

.ks-card__icon {
    display: grid;
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    place-items: center;
    border-radius: 14px;
    background: var(--ks-soft);
    color: var(--ks-primary-dark);
    font-weight: 900;
}

.ks-section--soft {
    background: linear-gradient(180deg, rgba(234, 246, 249, 0.72), rgba(255, 255, 255, 0));
}

.ks-section-heading {
    max-width: 760px;
    margin: 0 auto 34px;
    text-align: center;
}

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

.ks-price-card {
    position: relative;
}

.ks-price-card--popular {
    border-color: rgba(15, 134, 182, 0.48);
    transform: translateY(-10px);
}

.ks-pill {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--ks-soft);
    color: var(--ks-primary-dark);
    font-weight: 900;
    font-size: 0.78rem;
}

.ks-price {
    margin: 18px 0;
    font-size: 2rem;
    font-weight: 900;
}

.ks-footer {
    padding: 34px 0;
    border-top: 1px solid var(--ks-line);
    background: #fff;
}

.ks-flash {
    margin: 18px auto 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--ks-soft);
    color: var(--ks-primary-dark);
    font-weight: 700;
}

.ks-flash--error {
    background: #fff0f0;
    color: #a12626;
}

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

.ks-table th,
.ks-table td {
    padding: 14px;
    border-bottom: 1px solid var(--ks-line);
    text-align: left;
    vertical-align: top;
}

.ks-total {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 18px;
    font-size: 1.35rem;
    font-weight: 900;
}

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

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

.ks-field--full {
    grid-column: 1 / -1;
}

input,
textarea,
select {
    width: 100%;
    min-height: 44px;
    padding: 11px 12px;
    border: 1px solid var(--ks-line);
    border-radius: 10px;
    background: #fff;
    font: inherit;
}

textarea {
    min-height: 120px;
}

.ks-auth-shell {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 32px 0;
}

.ks-auth-card {
    width: min(calc(100% - 32px), 460px);
}

.ks-admin-section {
    margin-bottom: 24px;
}

.ks-admin-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.ks-admin-list {
    display: grid;
    gap: 12px;
}

.ks-admin-row {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(170px, 0.9fr) minmax(190px, 0.9fr) auto;
    gap: 16px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--ks-line);
    border-radius: 14px;
    background: #fff;
}

.ks-admin-row--summary {
    list-style: none;
    cursor: pointer;
}

.ks-admin-row--summary::-webkit-details-marker {
    display: none;
}

.ks-admin-detail {
    border: 1px solid var(--ks-line);
    border-radius: 14px;
    background: #fff;
}

.ks-admin-detail__body {
    padding: 0 16px 16px;
}

.ks-admin-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.ks-admin-subtext,
.ks-admin-label {
    color: var(--ks-muted);
}

.ks-admin-label {
    margin: 0 0 8px;
    font-size: 0.86rem;
    font-weight: 800;
}

.ks-admin-metric {
    margin-bottom: 0;
    font-size: 2rem;
}

.ks-admin-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ks-badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
}

.ks-badge--success {
    background: #ecfdf3;
    color: #166534;
}

.ks-badge--danger {
    background: #fef2f2;
    color: #b42318;
}

.ks-badge--warn {
    background: #fff7ed;
    color: #b45309;
}

.ks-badge--muted {
    background: #eef4f7;
    color: var(--ks-muted);
}

.ks-json-modal {
    position: fixed;
    inset: 0;
    z-index: 90;
}

.ks-json-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(16, 35, 49, 0.56);
}

.ks-json-modal__dialog {
    position: relative;
    width: min(calc(100% - 32px), 920px);
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    padding: 20px;
    overflow: auto;
    border: 1px solid var(--ks-line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--ks-shadow);
}

.ks-json-modal__body {
    margin: 0;
    padding: 18px;
    overflow: auto;
    border-radius: 12px;
    background: #102331;
    color: #f8fafc;
    font-size: 0.9rem;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .ks-hero__grid,
    .ks-grid-3,
    .ks-grid-4,
    .ks-pricing,
    .ks-mockup__screen,
    .ks-form-grid,
    .ks-admin-columns {
        grid-template-columns: 1fr;
    }

    .ks-hero,
    .ks-section {
        padding: 58px 0;
    }

    .ks-bullets {
        grid-template-columns: 1fr;
    }

    .ks-nav {
        display: none;
    }

    .ks-price-card--popular {
        transform: none;
    }

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