:root {
    --flexwave-dark-blue: #2e69a7;
    --flexwave-light-blue: #4a90e2;
    --flexwave-pale-blue: #ebf2fb;
    --flexwave-text-dark: #34495e;
    --flexwave-text-light: #607d8b;
    --flexwave-darkest-blue: #0a192f;
    --flexwave-er-blue: #64ffda;
    --flexwave-royal: #112240;
    --flexwave-blue: #1b669c;
    --flexwave-blue-light: #3c93cd;
    --flexwave-blue-pale: #ebf6fc;
    --flexwave-blue-royal: #104169;
    --flexwave-blue-navy: #0b2b43;
    --flexwave-accent: #5eead4;

    --radius: 16px;
    --shadow-soft: 0 10px 35px rgba(16, 65, 105, 0.12);
}

* {
    box-sizing: border-box;
}

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

body {
    font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--flexwave-text-dark);
    background: linear-gradient(180deg, var(--flexwave-pale-blue) 0%, #f8fbff 100%);
}

.container {
    width: min(1160px, 94vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(27, 102, 156, 0.12);
}

.nav-row {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    text-decoration: none;
    font-weight: 800;
    color: var(--flexwave-blue);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
}

.top-nav {
    display: flex;
    gap: 22px;
}

.top-nav a {
    color: var(--flexwave-text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.top-nav a:hover {
    color: var(--flexwave-blue);
}

.header-cta {
    text-decoration: none;
    border-radius: 999px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--flexwave-blue), var(--flexwave-light-blue));
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    border: 0;
    cursor: pointer;
}

.inline-form {
    margin: 0;
}

.hero-section {
    padding: 46px 0 24px;
    background: radial-gradient(700px 260px at 80% 8%, rgba(74, 144, 226, 0.2), transparent 70%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 26px;
    align-items: stretch;
}

.eyebrow {
    text-transform: uppercase;
    color: var(--flexwave-blue-light);
    letter-spacing: 1.8px;
    font-size: 0.8rem;
    margin: 0;
    font-weight: 700;
}

h1 {
    margin: 10px 0 0;
    font-size: clamp(2rem, 4.6vw, 3.6rem);
    line-height: 1.12;
    color: var(--flexwave-blue);
}

.lead {
    margin: 16px 0 0;
    max-width: 60ch;
    color: var(--flexwave-text-light);
    line-height: 1.6;
}

.hero-actions {
    margin-top: 22px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.chip-info {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--flexwave-blue-royal);
    background: rgba(74, 144, 226, 0.14);
    border: 1px solid rgba(74, 144, 226, 0.2);
    font-weight: 700;
}

.primary-btn,
.secondary-btn {
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 11px 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--flexwave-blue), var(--flexwave-light-blue));
    color: #fff;
    box-shadow: 0 8px 20px rgba(27, 102, 156, 0.28);
}

.secondary-btn {
    background: #fff;
    border-color: rgba(27, 102, 156, 0.35);
    color: var(--flexwave-blue);
}

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

.chip-list {
    margin-top: 18px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.chip-list span {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--flexwave-blue-royal);
    background: rgba(74, 144, 226, 0.14);
    border: 1px solid rgba(74, 144, 226, 0.2);
}

.hero-card {
    border: 2px solid var(--flexwave-light-blue);
    border-radius: 24px;
    padding: 22px;
    background: linear-gradient(180deg, #ffffff 0%, var(--flexwave-blue-pale) 100%);
    box-shadow: var(--shadow-soft);
}

.hero-card h2 {
    margin: 0;
    color: var(--flexwave-blue);
}

.hero-card ul {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--flexwave-text-light);
    line-height: 1.6;
}

.stats-preview {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 12px;
    padding: 6px 0 14px;
}

.card {
    background: #fff;
    border: 1px solid rgba(27, 102, 156, 0.16);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.metric-card {
    padding: 18px;
}

.metric-card h3 {
    margin: 0;
    color: var(--flexwave-blue);
}

.metric-card p {
    margin: 8px 0 0;
    color: var(--flexwave-text-light);
    line-height: 1.5;
}

.form-card,
.results-zone .card {
    margin-top: 18px;
    padding: 22px;
}

.auth-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 12px;
}

.account-bar-wrap {
    margin-top: 18px;
}

.account-bar {
    padding: 18px 22px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
}

.account-bar h2 {
    margin: 6px 0;
    color: var(--flexwave-blue);
}

.form-card h2,
.results-head h2 {
    margin: 0;
    color: var(--flexwave-blue);
}

.mode-switch {
    margin-top: 16px;
    display: inline-flex;
    gap: 8px;
    padding: 5px;
    border-radius: 999px;
    background: rgba(74, 144, 226, 0.12);
}

.mode-btn {
    border: 0;
    background: transparent;
    color: var(--flexwave-text-light);
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 700;
}

.mode-btn.is-active {
    background: linear-gradient(135deg, var(--flexwave-blue), var(--flexwave-blue-light));
    color: #fff;
}

label {
    display: block;
    margin: 12px 0 8px;
    font-weight: 700;
    color: var(--flexwave-blue-royal);
}

input,
textarea {
    width: 100%;
    border: 1px solid rgba(27, 102, 156, 0.26);
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    color: var(--flexwave-text-dark);
    background: #fff;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--flexwave-light-blue);
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.15);
}

small,
.muted {
    color: var(--flexwave-text-light);
}

.mode-panel {
    display: none;
}

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

.alert {
    margin-top: 14px;
    border-radius: 12px;
    padding: 12px;
}

.alert.error {
    background: #ffeef1;
    color: #92263a;
    border: 1px solid rgba(255, 95, 121, 0.35);
}

.alert.success {
    background: #e9fbf7;
    color: #0f6e5e;
    border: 1px solid rgba(94, 234, 212, 0.45);
}

.results-zone {
    padding-bottom: 22px;
}

.results-head {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
}

.score-ring {
    --size: 132px;
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    background: conic-gradient(var(--flexwave-er-blue) calc(var(--score) * 1%), rgba(27, 102, 156, 0.14) 0);
    padding: 8px;
}

.score-ring > div {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--flexwave-blue-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
}

.score-ring strong {
    font-size: 1.5rem;
}

.score-ring span {
    font-size: 0.78rem;
    opacity: 0.85;
}

.result-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.stat-grid {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    gap: 10px;
}

.stat-grid article {
    border: 1px solid rgba(27, 102, 156, 0.18);
    border-radius: 12px;
    padding: 10px;
    background: #f8fbff;
}

.stat-grid h3 {
    margin: 0;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--flexwave-text-light);
}

.stat-grid p {
    margin: 6px 0 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--flexwave-blue-royal);
}

.category-row {
    margin-top: 14px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-chip {
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--flexwave-blue-royal);
    background: rgba(74, 144, 226, 0.12);
}

.filter-row {
    margin-top: 14px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    border: 1px solid rgba(27, 102, 156, 0.28);
    border-radius: 999px;
    background: #fff;
    color: var(--flexwave-blue);
    padding: 7px 12px;
    cursor: pointer;
    font-weight: 700;
}

.filter-btn.is-active {
    background: var(--flexwave-blue);
    color: #fff;
}

.checks-table-wrap {
    margin-top: 14px;
    overflow-x: auto;
}

.checks-table {
    width: 100%;
    min-width: 940px;
    border-collapse: collapse;
}

.checks-table th,
.checks-table td {
    text-align: left;
    padding: 11px 10px;
    border-bottom: 1px solid rgba(27, 102, 156, 0.14);
    vertical-align: top;
}

.checks-table th {
    color: var(--flexwave-text-light);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.status-badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-badge.pass {
    color: #0f6e5e;
    background: rgba(94, 234, 212, 0.26);
}

.status-badge.fail {
    color: #8f2735;
    background: rgba(255, 95, 121, 0.18);
}

.site-footer {
    margin-top: 32px;
    background: linear-gradient(180deg, var(--flexwave-blue-navy), var(--flexwave-darkest-blue));
    color: #c9dded;
}

.footer-grid {
    padding: 28px 0 32px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 18px;
}

.footer-brand,
.footer-heading {
    margin: 0 0 8px;
    font-weight: 800;
    color: #f1f7ff;
}

.site-footer a {
    display: block;
    text-decoration: none;
    color: #c9dded;
    margin-bottom: 6px;
}

.site-footer p {
    margin: 0 0 6px;
    line-height: 1.5;
}

@media (max-width: 980px) {
    .top-nav {
        display: none;
    }

    .hero-grid {
        grid-template-columns: 1fr;
    }

    .results-head {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .stat-grid {
        grid-template-columns: repeat(3, minmax(120px, 1fr));
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .account-bar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .header-cta {
        display: none;
    }

    .stats-preview {
        grid-template-columns: 1fr;
    }

    .auth-grid {
        grid-template-columns: 1fr;
    }

    .stat-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }

    .form-card,
    .results-zone .card {
        padding: 16px;
    }
}

@media (max-width: 520px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
}