:root {
    --color-primary: #7a4f2b;
    --color-primary-dark: #5e3c20;
    --color-bg: #faf6f1;
    --color-surface: #ffffff;
    --color-text: #2b2018;
    --color-muted: #6f6155;
    --color-border: #e4d9cc;
    --color-error: #b3261e;
    --color-success: #2e7d32;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Thai", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Skip-Link (WCAG 2.4.1): unsichtbar bis fokussiert, dann erster Tab-Stopp oben links.
   Absolut positioniert (kein Layout-Shift beim Fokussieren). Kontrast #fff auf --color-primary ≈ 7:1. */
.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
}
.skip-link:focus {
    left: .5rem;
    top: .5rem;
    z-index: 100;
    padding: .5rem 1rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
}
#main:focus { outline: none; }

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    text-decoration: none;
}

.brand-sub {
    font-weight: 400;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.site-nav { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.site-nav a { color: var(--color-text); text-decoration: none; padding: 0.3rem 0.5rem; border-radius: var(--radius); }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--color-bg); }

.site-main {
    flex: 1;
    width: 100%;
    max-width: 60rem;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.85rem;
}
.site-footer a { color: var(--color-muted); margin-left: 0.75rem; }

.hero { text-align: center; padding: 3rem 0; }
.hero h1 { font-size: 2rem; color: var(--color-primary-dark); }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.card-narrow { max-width: 26rem; margin: 2rem auto; }

label { display: block; margin: 0.75rem 0 0.25rem; font-weight: 600; }
input, select, textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: inherit;
    background: var(--color-surface);
}
input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    margin-top: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    text-decoration: none;
    cursor: pointer;
}
.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.alert { padding: 0.6rem 0.9rem; border-radius: var(--radius); }
.alert-error { background: #fdecea; color: var(--color-error); }
.alert-success { background: #e8f5e9; color: var(--color-success); }

/* Formular- und Layout-Hilfsklassen (CSP-konform, keine Inline-Styles) */
.field-error { color: var(--color-error); font-size: 0.85rem; margin: 0.15rem 0 0.35rem; }

/* Fehler-Zusammenfassung (GOV.UK-Muster, WCAG 3.3.1): oben im Formular, fokussierbar. */
.error-summary {
    border: 2px solid var(--color-error);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin: 0 0 1.25rem;
    background: #fdecea;
}
.error-summary:focus { outline: 2px solid var(--color-error); outline-offset: 2px; }
.error-summary-title { margin: 0 0 0.5rem; font-size: 1.05rem; color: var(--color-error); }
.error-summary-list { margin: 0; padding-left: 1.25rem; }
.error-summary-list a { color: var(--color-error); font-weight: 600; }
/* Visuelle Kennzeichnung ungültiger Felder (th:errorclass) — nicht allein über Farbe (Rahmen). */
.input-invalid { border-color: var(--color-error); outline-color: var(--color-error); }
.section-gap { margin-top: 1.5rem; }
.muted { color: var(--color-muted); }

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: 400;
    margin-top: 0.9rem;
}
.checkbox-row input { width: auto; margin-top: 0.25rem; }

.nav-form { display: inline; margin: 0; }
.nav-form .btn { margin-top: 0; padding: 0.3rem 0.7rem; }

/* ==========================================================================
   Öffentliche Seiten (Phase 4c): Landing, Behandlungskatalog, Rechtstexte.
   Nur Design-Tokens, keine Hardcoded-Farben außerhalb der :root-Ergänzung.
   ========================================================================== */

:root {
    --color-primary-soft: #f1e7dc;   /* warme, helle Tönung für Akzentflächen */
    --color-todo-bg: #fdf0cf;        /* Hervorhebung offener Platzhalter */
    --color-todo-text: #7a4b00;
    --shadow-card: 0 1px 2px rgba(43, 32, 24, 0.06);
}

/* Interaktions-States (hover, focus-visible via Basisregel, active, disabled) */
.btn:hover { border-color: var(--color-primary); }
.btn:active { transform: translateY(1px); }
.btn-primary:active { background: var(--color-primary-dark); }
.btn:disabled, .btn[disabled], .btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}
.btn-lg { padding: 0.75rem 1.6rem; font-size: 1.05rem; }

/* Fokus-Sichtbarkeit auch für Textlinks (Tastaturbedienung, WCAG 2.4.7/2.4.11) */
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 3px;
}

/* --- Landing: Hero ---------------------------------------------------- */
.hero-landing { padding: 2.5rem 0 1.5rem; }
.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 0.5rem;
}
.hero-landing h1 { margin: 0 0 0.75rem; }
.hero-lead {
    max-width: 40rem;
    margin: 0 auto 1.25rem;
    font-size: 1.1rem;
    color: var(--color-text);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.hero-secondary { margin-top: 1rem; font-size: 0.9rem; }
.hero-secondary a { color: var(--color-primary-dark); }
.hero-secondary span { margin: 0 0.4rem; }

/* --- Landing: Info-Band ----------------------------------------------- */
.info-band {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}
.info-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow-card);
}
.info-item h2 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--color-primary-dark); }
.info-item p { margin: 0; }
.info-item a { color: var(--color-primary-dark); font-weight: 600; }

/* --- Abschnitte / Teaser ---------------------------------------------- */
.section-block { margin-top: 2.5rem; }
.section-head { margin-bottom: 1.25rem; }
.section-head h2 { margin: 0 0 0.25rem; color: var(--color-primary-dark); }
.section-head p { margin: 0; }
.section-cta { text-align: center; margin-top: 2rem; }

.teaser-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1rem;
}
.teaser-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}
.teaser-card h3 { margin: 0 0 0.5rem; color: var(--color-primary-dark); }
.teaser-card p { margin: 0 0 1rem; }
.link-arrow {
    margin-top: auto;
    align-self: flex-start;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { text-decoration: underline; }

/* --- Wellness-Hinweis (nicht-medizinisch) ----------------------------- */
.wellness-note {
    margin-top: 2rem;
    padding: 1rem 1.25rem;
    background: var(--color-primary-soft);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    font-size: 0.92rem;
}
.wellness-note p { margin: 0; }

/* --- Seitenkopf (Katalog, Rechtstexte) -------------------------------- */
.page-head { margin-bottom: 1.5rem; }
.page-head h1 { margin: 0 0 0.4rem; color: var(--color-primary-dark); }
.page-intro { margin: 0; max-width: 42rem; }
.empty-hint {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
}

/* --- Behandlungskatalog ----------------------------------------------- */
.treatment-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
    gap: 1.25rem;
}
.treatment-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.4rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}
.treatment-card h2 { margin: 0 0 0.5rem; font-size: 1.2rem; color: var(--color-primary-dark); }
.treatment-desc { margin: 0 0 1rem; color: var(--color-text); }
.variant-list { list-style: none; margin: 0 0 1.25rem; padding: 0; }
.variant-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.5rem 0;
    border-top: 1px solid var(--color-border);
}
.variant-row:last-child { border-bottom: 1px solid var(--color-border); }
.variant-duration { color: var(--color-muted); }
.variant-price { font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; }
.treatment-cta { margin-top: auto; align-self: flex-start; }

/* --- Zusatzleistungen (Add-ons) --------------------------------------- */
.addon-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 0.75rem;
}
.addon-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
}
.addon-name { font-weight: 600; }
.addon-meta { display: flex; flex-direction: column; align-items: flex-end; white-space: nowrap; }
.addon-price { font-weight: 700; color: var(--color-primary-dark); }
.addon-minutes { font-size: 0.85rem; }

/* --- Rechtstexte (Impressum, Datenschutz) ----------------------------- */
.legal { max-width: 46rem; }
.legal section { margin-top: 1.75rem; }
.legal h2 { color: var(--color-primary-dark); font-size: 1.25rem; margin: 0 0 0.5rem; }
.legal h3 { font-size: 1.05rem; margin: 1.1rem 0 0.35rem; }
.legal p { margin: 0 0 0.6rem; }
.legal a { color: var(--color-primary-dark); }
.legal-address { font-style: normal; line-height: 1.7; }
.legal-dl { display: grid; grid-template-columns: minmax(6rem, auto) 1fr; gap: 0.35rem 1rem; margin: 0; }
.legal-dl dt { font-weight: 600; }
.legal-dl dd { margin: 0; }
.legal-list { margin: 0 0 0.6rem; padding-left: 1.25rem; }
.legal-list li { margin-bottom: 0.4rem; }
.legal-basis { font-size: 0.9rem; color: var(--color-muted); }
.todo-mark {
    display: inline-block;
    background: var(--color-todo-bg);
    color: var(--color-todo-text);
    font-weight: 600;
    font-size: 0.9em;
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
}
.legal-review-hint {
    margin-top: 2rem;
    padding: 0.85rem 1.1rem;
    background: var(--color-todo-bg);
    color: var(--color-todo-text);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
}