/* ─── Acorn Brand Tokens ──────────────────────────────────────── */
:root {
    /* Primary — Electric Indigo */
    --color-indigo-pale:    #EEF2FF;
    --color-indigo-light:   #818CF8;
    --color-indigo:         #4F46E5;
    --color-indigo-dark:    #4338CA;
    --color-indigo-black:   #1E1B4B;

    /* Neutrals */
    --color-ink:            #0E0E0F;
    --color-midnight:       #111827;
    --color-slate:          #1F2937;
    --color-storm:          #374151;
    --color-muted:          #6B7280;
    --color-muted-light:    #9CA3AF;
    --color-muted-dark:     #4B5563;
    --color-surface-hover-dark: #283040;
    --color-surface-hover-light: #F3F4F6;
    --color-border:         #E5E7EB;
    --color-cloud:          #F9FAFB;
    --color-cloud-dim:      #F3F4F6;
    --color-white:          #FFFFFF;

    /* RGB channels (for rgba) */
    --color-indigo-rgb:     79, 70, 229;
    --color-pass-rgb:       5, 150, 105;
    --color-warn-rgb:       202, 138, 4;
    --color-fail-rgb:       225, 29, 72;

    /* Semantic */
    --color-mint:           #059669;
    --color-amber:          #CA8A04;
    --color-red:            #E11D48;
    --color-violet:         #8B5CF6;
    --color-cyan:           #0284C7;

    /* DMARC Status */
    --color-pass:           #059669;
    --color-warn:           #CA8A04;
    --color-fail:           #E11D48;
    --color-quarantine:     #CA8A04;

    /* Status alpha backgrounds — for badges and tinted surfaces */
    --color-pass-bg:        rgba(var(--color-pass-rgb), 0.15);
    --color-warn-bg:        rgba(var(--color-warn-rgb), 0.15);
    --color-fail-bg:        rgba(var(--color-fail-rgb), 0.15);
    --color-mint-bg:        rgba(var(--color-pass-rgb), 0.15);
    --color-amber-bg:       rgba(var(--color-warn-rgb), 0.15);
    --color-red-bg:         rgba(var(--color-fail-rgb), 0.15);

    /* Typography */
    --font-display:         'Syne', sans-serif;
    --font-sans:            'DM Sans', sans-serif;
    --font-mono:            'JetBrains Mono', monospace;

    /* Radii */
    --radius-sm:   6px;
    --radius:      8px;
    --radius-md:   10px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:        0 1px 3px rgba(0,0,0,0.08);
    --shadow:           0 2px 8px rgba(0,0,0,0.10);
    --shadow-md:        0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg:        0 8px 32px rgba(0,0,0,0.16);
    --shadow-indigo:    0 4px 24px rgba(var(--color-indigo-rgb),0.25);
    --shadow-indigo-lg: 0 8px 40px rgba(var(--color-indigo-rgb),0.35);

    /* Spacing */
    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  12px;
    --space-lg:  24px;
    --space-xl:  40px;

    /* Transitions */
    --transition-fast:    100ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition:         150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:    300ms cubic-bezier(0.4, 0, 0.2, 1);

}

/* ─── Theme: Dark ────────────────────────────────────────────── */
[data-theme="dark"] {
    --bg-primary:         var(--color-midnight);
    --bg-secondary:       var(--color-slate);
    --bg-surface:         var(--color-slate);
    --bg-surface-hover:   var(--color-surface-hover-dark);
    --text-primary:       var(--color-cloud);
    --text-secondary:     var(--color-muted-light);
    --text-muted:         var(--color-muted);
    --border-default:     var(--color-storm);
    --interactive:        var(--color-indigo-light);
    --interactive-hover:  var(--color-indigo);
    --brand-suffix:       var(--color-cloud);
    color-scheme: dark;
}

/* ─── Theme: Light ───────────────────────────────────────────── */
[data-theme="light"] {
    --bg-primary:         var(--color-cloud);
    --bg-secondary:       var(--color-cloud-dim);
    --bg-surface:         var(--color-white);
    --bg-surface-hover:   var(--color-surface-hover-light);
    --text-primary:       var(--color-midnight);
    --text-secondary:     var(--color-muted-dark);
    --text-muted:         var(--color-muted);
    --border-default:     var(--color-border);
    --interactive:        var(--color-indigo);
    --interactive-hover:  var(--color-indigo-dark);
    --brand-suffix:       var(--color-midnight);
    --color-pass-bg:      rgba(var(--color-pass-rgb), 0.1);
    --color-warn-bg:      rgba(var(--color-warn-rgb), 0.1);
    --color-fail-bg:      rgba(var(--color-fail-rgb), 0.1);
    --color-mint-bg:      rgba(var(--color-pass-rgb), 0.1);
    --color-amber-bg:     rgba(var(--color-warn-rgb), 0.1);
    --color-red-bg:       rgba(var(--color-fail-rgb), 0.1);
    --shadow-sm:          0 1px 3px rgba(0,0,0,0.04);
    --shadow:             0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:          0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg:          0 8px 32px rgba(0,0,0,0.10);
    color-scheme: light;
}

/* ─── Theme: Auto (follow system preference) ─────────────────── */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --bg-primary:         var(--color-midnight);
        --bg-secondary:       var(--color-slate);
        --bg-surface:         var(--color-slate);
        --bg-surface-hover:   var(--color-surface-hover-dark);
        --text-primary:       var(--color-cloud);
        --text-secondary:     var(--color-muted-light);
        --text-muted:         var(--color-muted);
        --border-default:     var(--color-storm);
        --interactive:        var(--color-indigo-light);
        --interactive-hover:  var(--color-indigo);
        --brand-suffix:       var(--color-cloud);
        color-scheme: dark;
    }
}
@media (prefers-color-scheme: light) {
    [data-theme="auto"] {
        --bg-primary:         var(--color-cloud);
        --bg-secondary:       var(--color-cloud-dim);
        --bg-surface:         var(--color-white);
        --bg-surface-hover:   var(--color-surface-hover-light);
        --text-primary:       var(--color-midnight);
        --text-secondary:     var(--color-muted-dark);
        --text-muted:         var(--color-muted);
        --border-default:     var(--color-border);
        --interactive:        var(--color-indigo);
        --interactive-hover:  var(--color-indigo-dark);
        --brand-suffix:       var(--color-midnight);
        --color-pass-bg:      rgba(var(--color-pass-rgb), 0.1);
        --color-warn-bg:      rgba(var(--color-warn-rgb), 0.1);
        --color-fail-bg:      rgba(var(--color-fail-rgb), 0.1);
        --color-mint-bg:      rgba(var(--color-pass-rgb), 0.1);
        --color-amber-bg:     rgba(var(--color-warn-rgb), 0.1);
        --color-red-bg:       rgba(var(--color-fail-rgb), 0.1);
        --shadow-sm:          0 1px 3px rgba(0,0,0,0.04);
        --shadow:             0 2px 8px rgba(0,0,0,0.06);
        --shadow-md:          0 4px 16px rgba(0,0,0,0.08);
        --shadow-lg:          0 8px 32px rgba(0,0,0,0.10);
        color-scheme: light;
    }
}

/* ─── Base Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { overflow-x: hidden; }

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ─── Links ───────────────────────────────────────────────────── */
a { color: var(--interactive); text-decoration: none; }
a:hover { color: var(--color-indigo-light); }

/* Buttons as links */
a.btn { text-decoration: none; }
a.btn:hover { color: inherit; }
a.btn-primary { color: white; }
a.btn-primary:hover { color: white; background: var(--color-indigo-dark); }
a.btn-ghost { color: var(--text-secondary); }
a.btn-ghost:hover { color: var(--text-primary); background: var(--bg-surface-hover); }

/* ─── Nav ─────────────────────────────────────────────────────── */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-secondary);
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-brand:hover { opacity: 0.85; }
.nav-brand img { width: 24px; height: 24px; }

.nav-wordmark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.03em;
    line-height: 1;
}

.nav-wordmark .brand-prefix { color: var(--color-indigo-light); }
.nav-wordmark .brand-suffix { color: var(--brand-suffix); }

/* Hamburger button — always visible */
.nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.nav-hamburger:hover { background: var(--bg-surface-hover); }
.nav-hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Slide-out menu panel */
.nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 80vw;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-default);
    padding: 24px 16px;
    box-shadow: var(--shadow-lg);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}
.nav-menu.open { transform: translateX(0); }

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}
.nav-overlay.open { opacity: 1; pointer-events: auto; }

/* ─── Confirm Modal ───────────────────────────────────────────── */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}
.confirm-overlay.open { opacity: 1; pointer-events: auto; }

.confirm-modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl);
    max-width: 400px;
    width: calc(100% - 32px);
    transform: scale(0.95);
    transition: transform var(--transition-slow);
}
.confirm-overlay.open .confirm-modal { transform: scale(1); }

.confirm-modal-title {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 16px;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm);
}

.confirm-modal-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 var(--space-lg);
    line-height: 1.5;
}

.confirm-modal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

.nav-menu a,
.nav-menu button {
    display: block;
    width: 100%;
    padding: 12px 14px;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    background: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font-sans);
    text-align: left;
    transition: background var(--transition), color var(--transition);
}
.nav-menu a:hover,
.nav-menu button:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* ─── Layout ──────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 32px; }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), transform var(--transition-fast), box-shadow var(--transition);
    white-space: nowrap;
    user-select: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--color-indigo);
    color: white;
    border-color: var(--color-indigo);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-indigo-dark);
    border-color: var(--color-indigo-dark);
    box-shadow: var(--shadow-indigo);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-default);
}

.btn-ghost:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger {
    background: transparent;
    color: var(--color-red);
    border-color: var(--border-default);
}

.btn-danger:hover {
    background: rgba(var(--color-fail-rgb), 0.1);
    border-color: var(--color-red);
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ─── Cards ───────────────────────────────────────────────────── */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-title { font-size: 15px; font-weight: 500; }

/* ─── Stats ───────────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
}

.stat-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.stat-value.pass { color: var(--color-pass); }
.stat-value.fail { color: var(--color-fail); }
.stat-value.warn { color: var(--color-warn); }
.stat-value.info { color: var(--text-primary); }

/* ─── Charts ──────────────────────────────────────────────────── */
.chart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .chart-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .container { padding: 16px; }
    .nav { padding: 12px 16px; }
    .domain-item { flex-direction: column; align-items: flex-start; gap: 12px; }
    .domain-actions { width: 100%; display: flex; gap: 8px; }
    .issue-category-header { flex-wrap: wrap; }
    .issue-badges { margin-left: 0; margin-top: 8px; width: 100%; }
    .issue-category-desc { font-size: 12px; }
}

/* ─── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
    border-color: var(--color-indigo);
    box-shadow: 0 0 0 3px rgba(var(--color-indigo-rgb), 0.15);
}

.form-inline { display: flex; gap: 8px; flex-wrap: wrap; }
.form-inline .form-input { flex: 1; min-width: 180px; }

/* ─── Flash Messages ──────────────────────────────────────────── */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.flash-success { background: rgba(var(--color-pass-rgb), 0.1); color: var(--color-mint); border: 1px solid rgba(var(--color-pass-rgb), 0.25); }
.flash-error { background: rgba(var(--color-fail-rgb), 0.1); color: var(--color-red); border: 1px solid rgba(var(--color-fail-rgb), 0.25); }

/* ─── Domain List ─────────────────────────────────────────────── */
.domain-list { display: grid; gap: var(--space-md); }

.domain-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition: background var(--transition), border-color var(--transition);
}

.domain-item:hover { background: var(--bg-surface-hover); border-color: var(--color-indigo); }

.domain-name {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 15px;
}

.domain-meta { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.domain-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ─── Badges ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 500;
}

.badge-pass    { background: var(--color-pass-bg); color: var(--color-pass); }
.badge-fail    { background: var(--color-fail-bg); color: var(--color-fail); }
.badge-warn    { background: var(--color-warn-bg); color: var(--color-warn); }
.badge-neutral { background: var(--bg-secondary); color: var(--text-secondary); }

/* ─── Issue Categories ────────────────────────────────────────── */
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.issues-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.issue-category {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.issue-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-left: 3px solid var(--color-warn);
    cursor: pointer;
    transition: background var(--transition);
}
.issue-category-header:hover { background: var(--bg-surface-hover); }

.issue-icon { font-size: 14px; font-weight: 700; flex-shrink: 0; }

.issue-category-info { flex: 1; min-width: 0; }

.issue-category-name {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.issue-category-desc {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 2px;
}

.issue-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.issue-expand-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    flex-shrink: 0;
    transition: color var(--transition);
}
.issue-expand-btn:hover { color: var(--text-primary); }

.issue-category-detail {
    padding: 0 20px 16px 20px;
    border-top: 1px solid var(--border-default);
}
.issue-category-detail table { margin-top: 12px; }

/* ─── AI Analysis ────────────────────────────────────────────── */
.analysis-card {
    background: var(--bg-surface);
    border: 1px solid var(--color-indigo);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-top: 16px;
    margin-bottom: var(--space-lg);
}

.analysis-header {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-indigo-light);
    margin-bottom: var(--space-md);
}

.analysis-health {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0 0 16px 0;
}

.analysis-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin: 16px 0 8px 0;
}

.analysis-rec {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-default);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.analysis-rec:last-child { border-bottom: none; }
.analysis-rec strong { color: var(--text-primary); margin-left: 8px; }
.analysis-rec p { margin: 4px 0 0 0; }

.analysis-dns {
    padding: 10px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--border-default);
}
.analysis-dns:last-child { border-bottom: none; }

.analysis-dns code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    word-break: break-all;
}

.analysis-dns-label { margin-bottom: 4px; }
.analysis-dns-current { color: var(--text-muted); margin-top: 4px; }
.analysis-dns-rec { color: var(--color-pass); margin-top: 4px; }

.analysis-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-muted);
    padding: 24px;
    font-size: 14px;
}

.analysis-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-default);
    border-top-color: var(--color-indigo);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.analysis-error {
    text-align: center;
    color: var(--color-fail);
    padding: 24px;
    font-size: 14px;
}

.analysis-disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-default);
}

/* ─── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }

th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-default);
}

td { padding: 10px 12px; border-bottom: 1px solid var(--border-default); }
tr:hover td { background: var(--bg-surface-hover); }

/* ─── Empty State ─────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state h3 { color: var(--text-primary); margin-bottom: 8px; }

/* ─── Page Header ─────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.page-header-title {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.page-back {
    color: var(--text-secondary);
    text-decoration: none;
    flex-shrink: 0;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

@media (max-width: 480px) {
    .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .page-title { font-size: 18px; }
    .container { padding: 20px 16px; }
}

/* ─── Period Selector ─────────────────────────────────────────── */
.period-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: var(--radius);
}

.period-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all var(--transition);
}

.period-btn.active { background: var(--color-indigo); color: white; }
.period-btn:hover:not(.active) { color: var(--text-primary); }

/* ─── Theme Selector ─────────────────────────────────────────── */
.theme-selector {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    padding: 4px;
    border-radius: var(--radius);
    width: fit-content;
}

.theme-btn {
    padding: 8px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all var(--transition);
}

.theme-btn.active { background: var(--color-indigo); color: white; }
.theme-btn:hover:not(.active) { background: var(--bg-surface-hover); color: var(--text-primary); }

/* ─── Toggle switch ──────────────────────────────────────────── */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.toggle-row-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-track {
    position: absolute;
    inset: 0;
    background: var(--bg-surface-hover);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
}
.toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}
.toggle-switch input:checked + .toggle-track {
    background: var(--color-indigo);
}
.toggle-switch input:checked + .toggle-track::after {
    transform: translateX(20px);
}

/* ─── Landing — Hero ──────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 80px 20px;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 44px;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--color-indigo-light) 0%, var(--color-mint) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 12px; justify-content: center; }

/* ─── Landing — Features ──────────────────────────────────────── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.feature-card h3 { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 768px) {
    .feature-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 32px; }
}

/* ─── Landing — Sections ─────────────────────────────────────── */
.landing-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}
.landing-section-alt {
    background: var(--bg-secondary);
    max-width: none;
}
.landing-section-alt .landing-section-title,
.landing-section-alt .steps-grid,
.landing-section-alt .faq-list {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.landing-section-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 28px;
    letter-spacing: -0.03em;
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}

/* ─── Landing — Trust Strip ──────────────────────────────────── */
.trust-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 24px 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
}
.trust-logo {
    font-weight: 500;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

/* ─── Landing — Feature Grid 4-col ───────────────────────────── */
.feature-grid-4 { grid-template-columns: repeat(4, 1fr); }
.feature-icon {
    margin-bottom: var(--space-md);
    color: var(--interactive);
}
.feature-icon svg {
    width: 28px;
    height: 28px;
}

/* ─── Landing — Steps ────────────────────────────────────────── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 0 20px;
}
.step-card { text-align: center; padding: 24px; }
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--interactive);
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 16px;
}
.step-card h3 { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ─── Landing — Audience Grid ────────────────────────────────── */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ─── Landing — FAQ Accordion ────────────────────────────────── */
.faq-list {
    display: flex;
    flex-direction: column;
    padding: 0 20px;
}
.faq-item {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 8px;
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-primary);
    list-style: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
    content: "+";
    font-size: 20px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform var(--transition);
}
.faq-item[open] .faq-question::after { content: "\2212"; }
.faq-answer { padding: 0 24px 20px; }
.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ─── Landing — Bottom CTA ───────────────────────────────────── */
.landing-cta {
    text-align: center;
    padding: 80px 20px;
}
.landing-cta h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 28px;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.landing-cta p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* ─── Landing — Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .feature-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .landing-section { padding: 40px 16px; }
    .landing-section-title { font-size: 24px; }
}
@media (max-width: 480px) {
    .feature-grid-4 { grid-template-columns: 1fr; }
    .trust-strip { gap: 16px; }
    .landing-cta h2 { font-size: 24px; }
}

/* ─── Nav Divider & CTA ──────────────────────────────────────── */
.nav-divider {
    border: none;
    height: 1px;
    background: var(--border-default);
    margin: 8px 0;
}
.nav-cta {
    background: var(--color-indigo) !important;
    color: var(--color-white) !important;
    border-radius: var(--radius);
    text-align: center;
}
.nav-cta:hover { background: var(--color-indigo-dark) !important; }

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--border-default);
}
.footer-brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.03em;
    text-decoration: none;
}
.footer-brand .brand-prefix { color: var(--color-indigo-light); }
.footer-brand .brand-suffix { color: var(--brand-suffix); }
.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 12px;
    font-size: 13px;
}
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--text-secondary); }

/* ─── Prose (long-form content) ──────────────────────────────── */
.prose {
    max-width: 700px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-secondary);
}
.prose h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-top: 40px;
    margin-bottom: 16px;
}
.prose h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 12px;
}
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin-bottom: 16px; padding-left: 24px; }
.prose li { margin-bottom: 8px; }
.prose code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
}
.prose blockquote {
    border-left: 3px solid var(--color-indigo);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-muted);
    font-style: italic;
}
.prose a { color: var(--interactive); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--color-indigo-light); }
.prose strong { color: var(--text-primary); font-weight: 600; }

/* ─── Solutions Index ────────────────────────────────────────── */
.solutions-intro {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: -20px auto 40px;
    line-height: 1.6;
}
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}
.solution-card {
    display: block;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition);
}
.solution-card:hover { background: var(--bg-surface-hover); border-color: var(--color-indigo); }
.solution-card h3 { font-size: 15px; font-weight: 500; color: var(--text-primary); margin-bottom: 8px; }
.solution-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
.solution-card-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--interactive);
}

/* ─── Guide Page ─────────────────────────────────────────────── */
.guide-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}
.guide-header { margin-bottom: var(--space-xl); }
.guide-breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.guide-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.guide-breadcrumb a:hover { color: var(--interactive); }
.guide-header h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 36px;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--text-primary);
}
.guide-faq { max-width: 700px; margin: 48px auto 0; }
.guide-faq h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}
.guide-related { max-width: 700px; margin: 48px auto 0; }
.guide-cta {
    text-align: center;
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--border-default);
}
.guide-cta h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.guide-cta p { font-size: 16px; color: var(--text-secondary); margin-bottom: var(--space-lg); }

/* ─── Legal Page ─────────────────────────────────────────────── */
.legal-page {
    max-width: 700px;
    padding-top: 48px;
    padding-bottom: 80px;
}
.legal-page h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 32px;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.legal-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 32px; }

/* ─── Contact Page ───────────────────────────────────────────── */
.contact-page {
    max-width: 600px;
    padding-top: 48px;
    padding-bottom: 80px;
    text-align: center;
}
.contact-page h1 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 32px;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.contact-form {
    text-align: left;
    margin-top: 24px;
}
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-sans);
    box-sizing: border-box;
}
.form-input:focus {
    outline: none;
    border-color: var(--interactive);
    box-shadow: 0 0 0 3px rgba(var(--color-indigo-rgb), 0.15);
}
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 120px; }

/* ─── New Page Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
    .solutions-grid { grid-template-columns: 1fr; }
    .guide-header h1 { font-size: 28px; }
}

/* ─── Section Label ───────────────────────────────────────────── */
.section-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
}

/* ─── Utility Classes ─────────────────────────────────────────── */
.font-display { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; }
.font-mono { font-family: var(--font-mono); }
.text-accent { color: var(--interactive); }
.text-muted { color: var(--text-secondary); }
.status-pass { color: var(--color-pass); }
.status-fail { color: var(--color-fail); }
.status-warn { color: var(--color-warn); }