/* ============================================================
   app.css — shared styles for admin + client dashboards, auth
   pages, and light funnel polish.

   Colour palette uses CSS custom properties for easy adjustment.
   No external frameworks — plain CSS only (PRD Section 0).

   Dark mode: auto via prefers-color-scheme, manual via
   data-theme="dark" on <html>, persisted in localStorage.
   ============================================================ */

/* ----- Light palette (default) ----- */
:root {
    --c-primary: #0f766e;
    --c-primary-dark: #115e59;
    --c-primary-light: #ccfbf1;
    --c-primary-hover: #0d9488;

    --c-accent: #2563eb;
    --c-accent-light: #dbeafe;

    --c-success: #16a34a;
    --c-success-bg: #dcfce7;
    --c-success-border: #86efac;

    --c-warning: #d97706;
    --c-warning-bg: #fef3c7;
    --c-warning-border: #fcd34d;

    --c-danger: #dc2626;
    --c-danger-bg: #fee2e2;
    --c-danger-border: #fca5a5;

    --c-text: #1e293b;
    --c-text-secondary: #64748b;
    --c-text-muted: #94a3b8;

    --c-bg: #f8fafc;
    --c-bg-card: #ffffff;
    --c-border: #e2e8f0;
    --c-border-light: #f1f5f9;

    --c-header-bg: #115e59;
    --c-header-text: #ffffff;

    --c-input-bg: #ffffff;

    --c-code-bg: #1e293b;
    --c-code-text: #e2e8f0;
    --c-code-border: #334155;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', 'Segoe UI Mono', Menlo, monospace;

    color-scheme: light dark;
}

/* ----- Dark palette ----- */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --c-primary: #2dd4bf;
        --c-primary-dark: #14b8a6;
        --c-primary-light: rgba(45,212,191,.12);
        --c-primary-hover: #5eead4;

        --c-accent: #60a5fa;
        --c-accent-light: rgba(96,165,250,.15);

        --c-success: #4ade80;
        --c-success-bg: rgba(74,222,128,.12);
        --c-success-border: rgba(74,222,128,.25);

        --c-warning: #fbbf24;
        --c-warning-bg: rgba(251,191,36,.12);
        --c-warning-border: rgba(251,191,36,.25);

        --c-danger: #f87171;
        --c-danger-bg: rgba(248,113,113,.12);
        --c-danger-border: rgba(248,113,113,.25);

        --c-text: #e2e8f0;
        --c-text-secondary: #94a3b8;
        --c-text-muted: #64748b;

        --c-bg: #0f172a;
        --c-bg-card: #1e293b;
        --c-border: #334155;
        --c-border-light: #1e293b;

        --c-header-bg: #0c1322;
        --c-header-text: #e2e8f0;

        --c-input-bg: #1e293b;

        --c-code-bg: #0f172a;
        --c-code-text: #e2e8f0;
        --c-code-border: #334155;

        --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
        --shadow-md: 0 4px 6px -1px rgba(0,0,0,.4), 0 2px 4px -2px rgba(0,0,0,.3);
        --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.5), 0 4px 6px -4px rgba(0,0,0,.4);
    }
}
[data-theme="dark"] {
    --c-primary: #2dd4bf;
    --c-primary-dark: #14b8a6;
    --c-primary-light: rgba(45,212,191,.12);
    --c-primary-hover: #5eead4;

    --c-accent: #60a5fa;
    --c-accent-light: rgba(96,165,250,.15);

    --c-success: #4ade80;
    --c-success-bg: rgba(74,222,128,.12);
    --c-success-border: rgba(74,222,128,.25);

    --c-warning: #fbbf24;
    --c-warning-bg: rgba(251,191,36,.12);
    --c-warning-border: rgba(251,191,36,.25);

    --c-danger: #f87171;
    --c-danger-bg: rgba(248,113,113,.12);
    --c-danger-border: rgba(248,113,113,.25);

    --c-text: #e2e8f0;
    --c-text-secondary: #94a3b8;
    --c-text-muted: #64748b;

    --c-bg: #0f172a;
    --c-bg-card: #1e293b;
    --c-border: #334155;
    --c-border-light: #1e293b;

    --c-header-bg: #0c1322;
    --c-header-text: #e2e8f0;

    --c-input-bg: #1e293b;

    --c-code-bg: #0f172a;
    --c-code-text: #e2e8f0;
    --c-code-border: #334155;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.4), 0 2px 4px -2px rgba(0,0,0,.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.5), 0 4px 6px -4px rgba(0,0,0,.4);
}

/* ----- Reset / base ----- */
*, *::before, *::after { box-sizing: border-box; }
body {
    font-family: var(--font-sans);
    margin: 0;
    min-height: 100vh;
    background: var(--c-bg);
    color: var(--c-text);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ----- Dashboard header / nav bar ----- */
.app-header {
    background: var(--c-header-bg);
    color: var(--c-header-text);
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}
.app-header .inner {
    max-width: 76rem;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem 1.25rem;
    min-height: 3.25rem;
}
.app-header .brand {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: var(--c-header-text);
    letter-spacing: -.01em;
    white-space: nowrap;
}
.app-header .brand small {
    font-weight: 400;
    font-size: .75rem;
    opacity: .7;
    margin-left: .4rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.app-header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: stretch;
    margin-left: auto;
}
.app-header nav a,
.app-header nav button {
    display: flex;
    align-items: center;
    padding: .7rem .75rem;
    font-size: .8125rem;
    font-weight: 500;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: color .15s, background .15s;
    white-space: nowrap;
    font-family: var(--font-sans);
}
.app-header nav a:hover,
.app-header nav button:hover {
    color: #fff;
    background: rgba(255,255,255,.1);
    text-decoration: none;
}
.app-header nav a.active {
    color: #fff;
    background: rgba(255,255,255,.15);
    box-shadow: inset 0 -2px 0 0 rgba(255,255,255,.6);
    font-weight: 600;
}
.app-header .logout-form { display: inline; }

/* Theme toggle button in nav */
.theme-toggle {
    display: flex;
    align-items: center;
    padding: .5rem .6rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: rgba(255,255,255,.65);
    font-size: 1.1rem;
    line-height: 1;
    transition: color .15s;
    font-family: var(--font-sans);
}
.theme-toggle:hover { color: #fff; }

/* ----- Main content ----- */
.app-main {
    max-width: 76rem;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}

/* ----- Cards ----- */
.card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
}
.card h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--c-text);
}
.card h3 {
    font-size: .95rem;
    font-weight: 600;
    margin: 1.25rem 0 .5rem;
    color: var(--c-text);
}
.card + .card { margin-top: 0; }

/* ----- KPI stat cards ----- */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: .85rem;
}
.stat {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    transition: box-shadow .15s, border-color .15s;
}
.stat:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-primary);
}
.stat .num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1.2;
}
.stat .lbl {
    font-size: .75rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-top: .2rem;
}

/* coloured stat variants */
.stat-success { border-left: 3px solid var(--c-success); }
.stat-warning { border-left: 3px solid var(--c-warning); }
.stat-danger  { border-left: 3px solid var(--c-danger); }
.stat-accent  { border-left: 3px solid var(--c-accent); }

/* ----- Tables ----- */
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th, td { text-align: left; padding: .65rem .6rem; border-bottom: 1px solid var(--c-border); vertical-align: top; }
th {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--c-text-secondary);
    background: var(--c-bg);
    position: sticky;
    top: 3.25rem;
}
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--c-border-light); }
tbody tr:nth-child(even) { background: rgba(148,163,184,.04); }
tbody tr:nth-child(even):hover { background: var(--c-border-light); }

/* ----- Badges ----- */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: .7rem;
    font-weight: 600;
    padding: .2rem .55rem;
    border-radius: 999px;
    background: var(--c-border-light);
    color: var(--c-text-secondary);
    text-transform: uppercase;
    letter-spacing: .03em;
    white-space: nowrap;
}
.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: .35rem;
    background: currentColor;
}
.badge-active  { background: var(--c-success-bg); color: var(--c-success); }
.badge-pending,
.badge-pending_payment { background: var(--c-warning-bg); color: var(--c-warning); }
.badge-past_due { background: var(--c-danger-bg); color: var(--c-danger); }
.badge-canceled { background: var(--c-border-light); color: var(--c-text-muted); }
.badge-new     { background: var(--c-accent-light); color: var(--c-accent); }
.badge-read    { background: var(--c-warning-bg); color: var(--c-warning); }
.badge-resolved { background: var(--c-success-bg); color: var(--c-success); }
.badge-shipped { background: var(--c-success-bg); color: var(--c-success); }
.badge-inventory { background: var(--c-border-light); color: var(--c-text-secondary); }
.badge-inactive { background: var(--c-border-light); color: var(--c-text-muted); }
.badge-nfc { background: var(--c-accent-light); color: var(--c-accent); }
.badge-virtual { background: var(--c-primary-light); color: var(--c-primary); }
.badge-signup,
.badge-extra_card { background: var(--c-warning-bg); color: var(--c-warning); }

/* ----- Buttons ----- */
button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    padding: .5rem 1rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background: var(--c-bg-card);
    color: var(--c-text);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    line-height: 1.4;
    font-family: var(--font-sans);
}
button:hover, .btn:hover {
    border-color: var(--c-text-muted);
    background: var(--c-bg);
    text-decoration: none;
}
.btn-primary {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}
.btn-primary:hover {
    background: var(--c-primary-dark);
    border-color: var(--c-primary-dark);
}
.btn-danger {
    color: var(--c-danger);
    border-color: var(--c-danger-border);
    background: var(--c-danger-bg);
}
.btn-danger:hover {
    background: var(--c-danger-border);
    border-color: var(--c-danger);
}
.btn-sm {
    padding: .3rem .6rem;
    font-size: .8125rem;
}
.btn-ghost {
    border: none;
    background: transparent;
    color: var(--c-text-secondary);
    padding: .3rem .5rem;
}
.btn-ghost:hover {
    background: var(--c-border-light);
    color: var(--c-text);
}

/* ----- Forms ----- */
label {
    display: block;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    margin: .75rem 0 .3rem;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="search"],
input[type="url"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: .55rem .7rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: .9375rem;
    font-family: var(--font-sans);
    background: var(--c-input-bg);
    color: var(--c-text);
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(15,118,110,.12);
}
textarea { min-height: 5rem; resize: vertical; }
input[type="file"] { font-size: .875rem; color: var(--c-text); }
input[type="checkbox"], input[type="radio"] { width: auto; }
.field-error { color: var(--c-danger); font-size: .8rem; margin: .2rem 0 0; }

/* Google Places Autocomplete (gmp-place-autocomplete web component) */
.places-search-host {
    display: block;
    width: 100%;
}
.places-search-host gmp-place-autocomplete {
    width: 100%;
    color-scheme: light dark;
}

/* ----- Filters bar ----- */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: .75rem;
    align-items: end;
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
}

/* ----- Notices / flash messages ----- */
.notice {
    background: var(--c-success-bg);
    border: 1px solid var(--c-success-border);
    border-left: 4px solid var(--c-success);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    margin-bottom: 1rem;
    font-size: .875rem;
    color: var(--c-success);
}
.error-msg {
    background: var(--c-danger-bg);
    border: 1px solid var(--c-danger-border);
    border-left: 4px solid var(--c-danger);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    margin-bottom: 1rem;
    font-size: .875rem;
    color: var(--c-danger);
}
.warning-banner {
    background: var(--c-warning-bg);
    border: 1px solid var(--c-warning-border);
    border-left: 4px solid var(--c-warning);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    margin-bottom: 1rem;
    font-size: .875rem;
    color: var(--c-warning);
}
.warning-banner.critical {
    background: var(--c-danger-bg);
    border-color: var(--c-danger-border);
    border-left-color: var(--c-danger);
    color: var(--c-danger);
}

/* ----- Utility classes ----- */
.muted { color: var(--c-text-secondary); font-size: .8125rem; }
.mono { font-family: var(--font-mono); font-size: .8rem; word-break: break-all; }
.hint { color: var(--c-text-secondary); font-size: .8125rem; margin: .25rem 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: .4rem; }
.inline-form { display: inline; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }

/* ----- Payload / code display ----- */
.payload {
    background: var(--c-code-bg);
    color: var(--c-code-text);
    border: 1px solid var(--c-code-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 28rem;
    overflow: auto;
    line-height: 1.5;
}

/* ----- Contact flag (feedback inbox) ----- */
.contact-flag {
    background: var(--c-warning-bg);
    border: 1px solid var(--c-warning-border);
    border-radius: var(--radius-sm);
    padding: .6rem .75rem;
    font-size: .8125rem;
    margin-top: .5rem;
}

/* ----- Feedback article items ----- */
.feedback-item {
    border-top: 1px solid var(--c-border);
    padding-top: 1.25rem;
    margin-top: 1.25rem;
}
.feedback-item:first-child { border-top: none; margin-top: 0; padding-top: 0; }

/* ----- Quick-links grid ----- */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: .6rem;
}
.quick-links .btn {
    justify-content: center;
    padding: .75rem 1rem;
    border-radius: var(--radius-md);
}
.quick-links .btn:hover {
    background: var(--c-primary-light);
    border-color: var(--c-primary);
    color: var(--c-primary);
}

/* ----- Auth page (login / forgot / reset) ----- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #115e59 0%, #0f766e 50%, #134e4a 100%);
}
[data-theme="dark"] .auth-page,
.auth-page-dark {
    background: linear-gradient(135deg, #0c1322 0%, #0f172a 50%, #1e293b 100%);
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .auth-page {
        background: linear-gradient(135deg, #0c1322 0%, #0f172a 50%, #1e293b 100%);
    }
}
.auth-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 24rem;
    box-shadow: var(--shadow-lg);
}
.auth-card h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 .25rem;
    color: var(--c-text);
}
.auth-card .auth-subtitle {
    font-size: .875rem;
    color: var(--c-text-secondary);
    margin: 0 0 1.5rem;
}
.auth-card .auth-error {
    background: var(--c-danger-bg);
    color: var(--c-danger);
    border-radius: var(--radius-sm);
    padding: .6rem .75rem;
    font-size: .875rem;
    margin-bottom: .75rem;
    border-left: 3px solid var(--c-danger);
}
.auth-card .auth-ok {
    background: var(--c-success-bg);
    color: var(--c-success);
    border-radius: var(--radius-sm);
    padding: .6rem .75rem;
    font-size: .875rem;
    margin-bottom: .75rem;
    border-left: 3px solid var(--c-success);
}
.auth-card button[type="submit"] {
    margin-top: 1.5rem;
    width: 100%;
    padding: .7rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--c-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}
.auth-card button[type="submit"]:hover { background: var(--c-primary-dark); }
.auth-card .aux {
    margin: 1.25rem 0 0;
    font-size: .875rem;
    text-align: center;
    color: var(--c-text-secondary);
}
.auth-card .aux a { color: var(--c-primary); }
.auth-card label {
    margin: .85rem 0 .3rem;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .app-header .inner { gap: .25rem .5rem; }
    .app-header nav a,
    .app-header nav button { padding: .55rem .5rem; font-size: .75rem; }
    .app-main { padding: 1rem .75rem 2rem; }
    .card { padding: 1rem; }
    .stats { grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: .6rem; }
    .stat .num { font-size: 1.4rem; }
    table { font-size: .8125rem; }
    th, td { padding: .5rem .35rem; }
    .hide-mobile { display: none; }
    .filters { grid-template-columns: 1fr; }
    .auth-card { margin: 1rem; padding: 2rem 1.25rem; }
}
@media (max-width: 480px) {
    .app-header nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .stats { grid-template-columns: 1fr 1fr; }
}

/* ----- Landing page (Phase 7) ----- */
.landing-page { background: var(--c-bg); }
.landing-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.landing-container-narrow { max-width: 42rem; }

.landing-header {
    background: var(--c-header-bg);
    color: var(--c-header-text);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}
.landing-header-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 3.5rem;
    gap: 1rem;
}
.landing-logo {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-header-text);
    text-decoration: none;
    letter-spacing: -.01em;
}
.landing-logo:hover { text-decoration: none; opacity: .9; }
.landing-nav {
    display: flex;
    align-items: center;
    gap: .75rem;
}
.landing-nav a {
    color: rgba(255,255,255,.85);
    font-size: .875rem;
    font-weight: 500;
    text-decoration: none;
}
.landing-nav a:hover { color: #fff; text-decoration: none; }
.landing-nav .theme-toggle {
    color: rgba(255,255,255,.65);
    padding: .35rem .5rem;
    font-size: 1.1rem;
}
.landing-nav .theme-toggle:hover { color: #fff; }
.landing-nav .btn-primary {
    background: var(--c-primary-hover);
    border-color: var(--c-primary-hover);
    color: #fff;
}
.landing-nav .btn-primary:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
}

.landing-hero {
    background: linear-gradient(160deg, #115e59 0%, #0f766e 45%, #134e4a 100%);
    color: #fff;
    padding: 4rem 0 4.5rem;
    text-align: center;
}
[data-theme="dark"] .landing-hero,
.landing-page-dark .landing-hero {
    background: linear-gradient(160deg, #0c1322 0%, #0f766e 40%, #134e4a 100%);
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .landing-hero {
        background: linear-gradient(160deg, #0c1322 0%, #0f766e 40%, #134e4a 100%);
    }
}
.landing-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1rem;
    letter-spacing: -.02em;
    max-width: 20ch;
    margin-left: auto;
    margin-right: auto;
}
.landing-lead {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    line-height: 1.6;
    opacity: .92;
    max-width: 42rem;
    margin: 0 auto 1.75rem;
}
.landing-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: center;
    margin-bottom: 1.25rem;
}
.landing-hero .btn-lg {
    padding: .75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
}
.landing-hero .btn-primary {
    background: #fff;
    color: var(--c-primary-dark);
    border-color: #fff;
}
.landing-hero .btn-primary:hover {
    background: var(--c-primary-light);
    border-color: var(--c-primary-light);
    color: var(--c-primary-dark);
}
.landing-hero .btn:not(.btn-primary) {
    background: rgba(255,255,255,.12);
    color: #fff;
    border-color: rgba(255,255,255,.35);
}
.landing-hero .btn:not(.btn-primary):hover {
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.5);
    color: #fff;
}
.landing-note { opacity: .75; font-size: .8125rem; margin: 0; }

.landing-section {
    padding: 3.5rem 0;
}
.landing-section-alt {
    background: var(--c-bg-card);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}
.landing-section h2 {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 800;
    margin: 0 0 .75rem;
    text-align: center;
    letter-spacing: -.02em;
}
.landing-section-intro {
    text-align: center;
    color: var(--c-text-secondary);
    max-width: 38rem;
    margin: 0 auto 2.5rem;
    font-size: 1.05rem;
    line-height: 1.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1.25rem;
}
.feature-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: border-color .15s, box-shadow .15s;
}
.feature-card:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-md);
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 .5rem;
    color: var(--c-primary);
}
.feature-card p {
    margin: 0;
    font-size: .9375rem;
    color: var(--c-text-secondary);
    line-height: 1.55;
}

.steps-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}
.steps-list li {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--c-border);
}
.steps-list li:last-child { border-bottom: none; padding-bottom: 0; }
.step-num {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: 50%;
}
.steps-list h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 .35rem;
}
.steps-list p {
    margin: 0;
    color: var(--c-text-secondary);
    font-size: .9375rem;
    line-height: 1.55;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.25rem;
    margin-bottom: .5rem;
}
.pricing-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    box-shadow: var(--shadow-sm);
}
.pricing-card-featured {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-md);
    position: relative;
}
.pricing-card h3 {
    font-size: .875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--c-text-secondary);
    margin: 0 0 .75rem;
}
.pricing-amount { margin: 0 0 .25rem; }
.pricing-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1.1;
}
.pricing-period {
    font-size: .9375rem;
    color: var(--c-text-secondary);
    font-weight: 500;
}
.pricing-alt {
    font-size: .875rem;
    color: var(--c-text-secondary);
    margin: 0 0 1.25rem;
}
.pricing-includes {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: .875rem;
    color: var(--c-text-secondary);
}
.pricing-includes li {
    padding: .35rem 0 .35rem 1.25rem;
    position: relative;
}
.pricing-includes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-success);
    font-weight: 700;
}

.faq-list { margin-top: 1.5rem; }
.faq-item {
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    margin-bottom: .6rem;
    background: var(--c-bg-card);
    overflow: hidden;
}
.faq-item summary {
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: .9375rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--c-primary);
    flex-shrink: 0;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { background: var(--c-border-light); }
.faq-item p {
    margin: 0;
    padding: 0 1.25rem 1rem;
    font-size: .9375rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

.landing-cta {
    background: var(--c-primary-light);
    padding: 3.5rem 0;
    text-align: center;
}
.landing-cta h2 {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    margin: 0 0 .75rem;
}
.landing-cta .landing-lead {
    color: var(--c-text-secondary);
    margin-bottom: 1.5rem;
}
.btn-lg {
    padding: .7rem 1.4rem;
    font-size: 1rem;
    font-weight: 600;
}

.landing-footer {
    border-top: 1px solid var(--c-border);
    padding: 1.5rem 0 2rem;
}
.landing-footer-inner { text-align: center; }
.landing-footer p { margin: 0; font-size: .8125rem; }
.landing-footer a { color: var(--c-text-secondary); }
.landing-footer a:hover { color: var(--c-primary); }

/* ----- Legal / policy pages (Phase 7) ----- */
.legal-page { background: var(--c-bg); color: var(--c-text); }
.legal-main { padding: 2rem 0 3rem; }
.legal-main h1 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    margin: 0 0 .35rem;
    line-height: 1.2;
}
.legal-meta { font-size: .8125rem; margin: 0 0 1.5rem; }
.legal-notice {
    font-size: .8125rem;
    color: var(--c-text-secondary);
    background: var(--c-border-light);
    border: 1px solid var(--c-border);
    border-left: 3px solid var(--c-primary);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    margin: 0 0 1.5rem;
    line-height: 1.5;
}
.legal-body {
    font-size: .9375rem;
    line-height: 1.65;
    color: var(--c-text-secondary);
}
.legal-body h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--c-text);
    margin: 2rem 0 .65rem;
}
.legal-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    margin: 1.25rem 0 .5rem;
}
.legal-body p { margin: 0 0 .85rem; }
.legal-body ul {
    margin: 0 0 1rem;
    padding-left: 1.35rem;
}
.legal-body li { margin-bottom: .35rem; }
.legal-body a { color: var(--c-primary); }
.legal-body code {
    font-family: var(--font-mono);
    font-size: .85em;
    background: var(--c-border-light);
    padding: .1rem .35rem;
    border-radius: 4px;
}

/* ----- Signup terms consent checkbox ----- */
.consent-row {
    margin: 1.25rem 0 0;
    padding: .85rem .9rem;
    background: var(--c-border-light);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
}
.consent-row-error {
    border-color: var(--c-danger-border);
    background: var(--c-danger-bg);
}
.consent-label {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    margin: 0 !important;
    font-size: .875rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--c-text-secondary);
    cursor: pointer;
}
.consent-label input[type="checkbox"] {
    margin-top: .2rem;
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    accent-color: var(--c-primary);
}
.consent-label a { color: var(--c-primary); font-weight: 500; }
.consent-row .field-error { margin-top: .5rem; }

/* ----- Client dashboard footer links ----- */
.dashboard-footer {
    text-align: center;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid var(--c-border);
    margin-top: auto;
}
.dashboard-footer p { margin: 0; font-size: .75rem; }
.dashboard-footer a { color: var(--c-text-muted); }
.dashboard-footer a:hover { color: var(--c-primary); }

@media (max-width: 768px) {
    .landing-hero { padding: 2.5rem 0 3rem; }
    .landing-section { padding: 2.5rem 0; }
    .landing-nav a:not(.btn) { display: none; }
    .landing-nav .theme-toggle { margin-right: .25rem; }
    .steps-list li { flex-direction: column; gap: .75rem; }
}

/* ----- Error pages (404 / 500, Phase 7) ----- */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--c-bg);
    padding: 1.5rem;
}
.error-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    max-width: 26rem;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.error-code {
    font-size: 3rem;
    font-weight: 800;
    color: var(--c-primary);
    margin: 0 0 .5rem;
    line-height: 1;
    opacity: .85;
}
.error-card h1 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 .75rem;
}
.error-message {
    color: var(--c-text-secondary);
    font-size: .9375rem;
    margin: 0 0 1.5rem;
    line-height: 1.55;
}
.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    justify-content: center;
    margin: 0;
}
