:root {
    --bg: #f2f6fb;
    --panel: #ffffff;
    --ink: #102a43;
    --muted: #486581;
    --line: #d9e2ec;
    --primary: #0f766e;
    --primary-strong: #0b5d57;
    --accent: #164e63;
    --soft: #e6fffa;
    --shadow: 0 22px 40px -24px rgba(16, 42, 67, 0.42);
}

* {
    box-sizing: border-box;
}

body.saas-body {
    margin: 0;
    font-family: "Segoe UI", "Poppins", "Nunito Sans", sans-serif;
    background: radial-gradient(circle at top right, #d9f9ff 0%, #f2f6fb 42%, #f2f6fb 100%);
    color: var(--ink);
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.saas-wrap {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.saas-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: rgba(242, 246, 251, 0.92);
    border-bottom: 1px solid rgba(217, 226, 236, 0.8);
}

.saas-header .saas-wrap {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.saas-brand {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--ink);
}

.saas-nav,
.saas-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.saas-nav a {
    font-weight: 600;
    color: var(--muted);
    padding: 0.35rem 0.15rem;
    border-bottom: 2px solid transparent;
}

.saas-nav a.is-active,
.tabs a.is-active {
    color: var(--ink);
    border-color: var(--primary);
}

.saas-main {
    padding: 2rem 0 3rem;
    display: grid;
    gap: 1.2rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.panel.narrow {
    max-width: 520px;
}

.hero h1,
.panel h1 {
    margin: 0.3rem 0 0.8rem;
    font-size: clamp(1.5rem, 2.8vw, 2.4rem);
}

.panel h2 {
    margin: 0 0 0.7rem;
}

.panel p {
    color: var(--muted);
    line-height: 1.6;
}

.pill {
    display: inline-flex;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: var(--soft);
    border: 1px solid #99f6e4;
    color: var(--primary-strong);
    font-weight: 700;
    font-size: 0.8rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 0.68rem 1rem;
    font-weight: 700;
    font-size: 0.9rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-strong), #0f4f5f);
    text-decoration: none;
}

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

.btn-ghost:hover {
    background: #f8fbff;
    text-decoration: none;
}

.row-actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.kpi-grid,
.feature-grid,
.price-grid,
.mock-grid {
    margin-top: 1rem;
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kpi-grid article,
.feature-grid article,
.price-grid article,
.mock-grid article {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1rem;
    background: #ffffff;
}

.kpi-grid strong {
    display: block;
    font-size: 1.35rem;
}

.kpi-grid span {
    display: block;
    margin-top: 0.3rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.price-grid .featured {
    border: 1px solid #0f766e;
    background: linear-gradient(180deg, #ecfeff, #ffffff);
}

.price {
    margin: 0.4rem 0 0.2rem;
    font-size: 1.5rem;
    color: var(--ink);
    font-weight: 800;
}

.clean-list {
    margin: 0.4rem 0 0;
    padding-left: 1.1rem;
    color: var(--muted);
}

.clean-list li {
    margin-bottom: 0.55rem;
}

.blog-list {
    display: grid;
    gap: 0.8rem;
}

.blog-list article {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem;
}

.blog-list h3 {
    margin: 0;
}

.blog-list p {
    margin: 0.5rem 0;
}

.blog-list small {
    color: var(--muted);
}

.form-grid {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.8rem;
}

.form-grid label {
    display: grid;
    gap: 0.35rem;
    font-weight: 600;
    color: var(--ink);
}

.form-grid input,
.form-grid select,
.form-grid button {
    width: 100%;
}

.form-grid input,
.form-grid select {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
}

.notice {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    background: #ecfeff;
    border: 1px solid #67e8f9;
    color: #0f4f5f;
    border-radius: 10px;
    padding: 0.65rem 0.8rem;
    font-weight: 600;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 0.9rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--line);
}

.tabs a {
    padding-bottom: 0.35rem;
    border-bottom: 2px solid transparent;
    color: var(--muted);
    font-weight: 600;
}

.step-links {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.saas-footer {
    border-top: 1px solid var(--line);
    background: #ffffff;
}

.saas-footer .saas-wrap {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.92rem;
    color: var(--muted);
}

.saas-footer a {
    margin-left: 1rem;
}

@media (max-width: 900px) {
    .kpi-grid,
    .feature-grid,
    .price-grid,
    .mock-grid {
        grid-template-columns: 1fr;
    }

    .saas-header .saas-wrap {
        flex-wrap: wrap;
        padding: 0.7rem 0;
    }

    .saas-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
    }

    .saas-footer .saas-wrap {
        min-height: auto;
        padding: 1rem 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .saas-footer a {
        margin-left: 0;
        margin-right: 1rem;
    }
}