/* ============================================================
   Firma Kuret – Landingpage
   CSS-Struktur:
   1. Variablen (Farben, Schrift, Spacing) – aus Logo abgeleitet
   2. Reset & Basis
   3. Layout-Helfer (.container)
   4. Header
   5. Hero
   6. Bereichs-Kacheln (Herzstück der Seite)
   7. Trust-Leiste
   8. Kontakt
   9. Footer
   10. Responsive Anpassungen
   ============================================================ */


/* ----------------------------------------------------------
   1. VARIABLEN
   ---------------------------------------------------------- */
:root {

    /* ---- Markenfarben (aus dem Logo abgeleitet) ---- */
    --c-primary:        #1B4F8C;
    --c-primary-dark:   #143C6B;
    --c-primary-light:  #2D6BB0;
    --c-accent:         #4A90D9;
    --c-steel:          #8A95A1;

    /* ---- Neutrale Basis ---- */
    --c-bg:             #FFFFFF;
    --c-bg-soft:        #F6F8FB;
    --c-bg-mute:        #EEF2F7;
    --c-line:           #E2E8F0;

    /* ---- Text ---- */
    --c-text:           #0F1B2D;
    --c-text-soft:      #475569;
    --c-text-mute:      #64748B;
    --c-text-invert:    #FFFFFF;

    /* ---- Schrift: Arial, durchgehend ---- */
    --font-sans:   Arial, "Helvetica Neue", Helvetica, sans-serif;
    --font-brand:  Arial, "Helvetica Neue", Helvetica, sans-serif;

    /* ---- Schriftgrößen (fluid, clamp) ---- */
    --fs-xs:   0.8125rem;   /* 13px */
    --fs-sm:   0.9375rem;   /* 15px */
    --fs-md:   1rem;        /* 16px */
    --fs-lg:   1.125rem;    /* 18px */
    --fs-xl:   clamp(1.25rem, 1.05rem + 0.6vw, 1.5rem);
    --fs-2xl:  clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
    --fs-3xl:  clamp(2rem, 1.5rem + 2vw, 3rem);
    --fs-hero: clamp(2.5rem, 1.6rem + 4vw, 4.5rem);

    /* ---- Spacing ---- */
    --sp-1:  0.25rem;
    --sp-2:  0.5rem;
    --sp-3:  0.75rem;
    --sp-4:  1rem;
    --sp-5:  1.5rem;
    --sp-6:  2rem;
    --sp-7:  3rem;
    --sp-8:  4rem;
    --sp-9:  6rem;

    /* ---- Container & Radius ---- */
    --container-max: 1200px;
    --radius-sm:    8px;
    --radius-md:    14px;
    --radius-lg:    20px;

    /* ---- Schatten ---- */
    --shadow-sm:  0 1px 2px rgba(15, 27, 45, 0.06);
    --shadow-md:  0 4px 16px rgba(15, 27, 45, 0.08);
    --shadow-lg:  0 12px 40px rgba(15, 27, 45, 0.12);
    --shadow-xl:  0 24px 60px rgba(15, 27, 45, 0.18);

    /* ---- Transitions ---- */
    --t-fast:   140ms ease;
    --t-base:   240ms cubic-bezier(.2, .7, .2, 1);
    --t-slow:   420ms cubic-bezier(.2, .7, .2, 1);
}


/* ----------------------------------------------------------
   2. RESET & BASIS
   ---------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg,
picture {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--c-primary);
    text-decoration: none;
    transition: color var(--t-fast);
}
a:hover { color: var(--c-primary-dark); }

h1, h2, h3 {
    font-family: var(--font-brand);
    font-weight: 700;
    line-height: 1.15;
    margin: 0;
    color: var(--c-text);
}

p { margin: 0; }

/* Screenreader-only Klasse */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip-Link – Barrierefreiheit */
.skip-link {
    position: absolute;
    left: -999em;
    top: 0;
    background: var(--c-primary);
    color: #fff;
    padding: var(--sp-3) var(--sp-5);
    z-index: 1000;
    border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* Allgemeiner Eyebrow-Stil */
.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
}


/* ----------------------------------------------------------
   3. LAYOUT-HELFER
   ---------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-5);
}

@media (min-width: 768px) {
    .container { padding: 0 var(--sp-6); }
}


/* ----------------------------------------------------------
   4. HEADER
   ---------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
    padding-top: var(--sp-4);
    padding-bottom: var(--sp-4);
    min-height: 76px;
}

/* Minimal-Header für Rechts-Seiten (Impressum, Datenschutz, AGB) – nur Logo, zentriert */
.site-header--minimal .site-header__inner {
    justify-content: center;
}
.site-header--minimal .site-header__brand img {
    height: 56px;
}

/* Rechts-Seiten: großzügige, ruhige Lesetypografie */
.legal-page {
    padding: var(--sp-8) 0;
}
.legal-page__inner {
    max-width: 780px;
    margin: 0 auto;
}
.legal-page h1 {
    font-size: var(--fs-3xl);
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
}
.legal-page__lead {
    color: var(--c-text-soft);
    font-size: var(--fs-lg);
    margin-bottom: var(--sp-7);
}
.legal-page h2 {
    font-size: var(--fs-xl);
    color: var(--c-text);
    margin-top: var(--sp-7);
    margin-bottom: var(--sp-3);
}
.legal-page h3 {
    font-size: var(--fs-lg);
    color: var(--c-text);
    margin-top: var(--sp-5);
    margin-bottom: var(--sp-2);
    font-weight: 700;
}
.legal-page p,
.legal-page ul {
    margin-bottom: var(--sp-4);
    color: var(--c-text);
    line-height: 1.7;
}
.legal-page ul {
    padding-left: var(--sp-5);
}
.legal-page a {
    color: var(--c-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.legal-page__note {
    background: var(--c-bg-soft);
    border-left: 3px solid var(--c-primary);
    padding: var(--sp-4) var(--sp-5);
    color: var(--c-text-soft);
    font-size: var(--fs-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--sp-6) 0;
}
.legal-page__toc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    margin: var(--sp-6) 0 var(--sp-8);
}
@media (max-width: 600px) {
    .legal-page__toc { grid-template-columns: 1fr; }
}
.legal-page__toc a {
    display: block;
    padding: var(--sp-4) var(--sp-5);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-md);
    color: var(--c-text);
    text-decoration: none;
    transition: border-color var(--t-base), transform var(--t-base);
}
.legal-page__toc a:hover {
    border-color: var(--c-primary);
    transform: translateY(-2px);
}
.legal-page__toc a strong {
    color: var(--c-primary);
    display: block;
    margin-bottom: var(--sp-1);
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}
.site-header__brand img {
    height: 48px;
    width: auto;
}

.site-header__contact {
    display: none;     /* erscheint ab Desktop */
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-header__contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    color: var(--c-text-soft);
    font-size: var(--fs-sm);
    font-weight: 400;
}
.site-header__contact-link:hover { color: var(--c-primary); }

.site-header__contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--c-bg-mute);
    color: var(--c-primary);
    flex-shrink: 0;
}


/* ----------------------------------------------------------
   5. HERO
   ---------------------------------------------------------- */
/* Logo-Streifen oben — heller Grund, Rahmenlinie oben + unten, Logo zentriert.
   min-height matched die Trust-Leiste unten, damit beide Streifen gleich hoch sind. */
.hero {
    padding: var(--sp-4) 0;
    background: var(--c-bg-soft);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero > .container {
    width: 100%;
}

.hero__inner {
    text-align: center;
}

.hero__title {
    display: flex;
    justify-content: center;
    margin: 0;
}

.hero__logo {
    width: auto;
    height: clamp(72px, 6vw + 40px, 120px);
    max-width: 100%;
}

/* Intro-Text UNTER dem Logo-Streifen — auf Kachel-Breite gezogen.
   Padding oben und unten gleich groß wie der flex-gap in .bereiche > .container,
   damit alle 4 Abstände (oben+unten von beiden Textblöcken) identisch sind. */
.hero-intro {
    padding: var(--sp-7) 0;
    background: var(--c-bg);
}
.hero-intro__inner {
    text-align: center;
}
.hero-intro__lead {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--c-text);
    line-height: 1.65;
    max-width: none;
    text-align: center;
    hyphens: auto;
    margin: 0;
}


/* ----------------------------------------------------------
   6. BEREICHS-KACHELN  – HERZSTÜCK
   Volle Breite, untereinander gestapelt.
   ---------------------------------------------------------- */
.bereiche {
    padding: 0 0 var(--sp-8);
}

.bereiche > .container {
    display: flex;
    flex-direction: column;
    gap: var(--sp-7);
}

.bereich {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    color: var(--c-text);
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    isolation: isolate;
}

.bereich:hover,
.bereich:focus-visible {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
    outline: none;
}

/* Bild-Feld: ~6,7 cm hoch */
.bereich__media {
    position: relative;
    overflow: hidden;
    background: var(--c-bg-mute);
    height: 253px;   /* ca. 6,7 cm bei 96 dpi */
    aspect-ratio: unset;
}

@media (max-width: 700px) {
    .bereich__media {
        height: 213px;
    }
}

.bereich__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}

.bereich:hover .bereich__media img,
.bereich:focus-visible .bereich__media img {
    transform: scale(1.04);
}

.bereich__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 27, 45, 0) 55%, rgba(15, 27, 45, 0.25) 100%);
    pointer-events: none;
}

/* Text-Feld darunter: mit Luft nach oben und Zeilenabstand */
.bereich__body {
    min-height: 150px;
    padding: var(--sp-5) var(--sp-4) var(--sp-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: var(--sp-3);
    text-align: center;
}

@media (max-width: 700px) {
    .bereich__body {
        min-height: 130px;
        padding: var(--sp-4) var(--sp-3);
    }
}

/* Hauptüberschrift */
.bereich__title {
    font-size: clamp(0.9rem, 0.5rem + 1.2vw, 1.4rem);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.5;
    padding-left: 0.22em;
    margin: 0;
}

/* Untertitel */
.bereich__sub {
    font-size: clamp(0.7rem, 0.55rem + 0.3vw, 0.8rem);
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.7;
    max-width: 60ch;
    margin: 0;
}

.bereich__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    color: var(--c-primary);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 4px 12px;
    border: 1.5px solid var(--c-primary);
    border-radius: 999px;
    transition: background var(--t-base), color var(--t-base);
}

.bereich:hover .bereich__cta,
.bereich:focus-visible .bereich__cta {
    background: var(--c-primary);
    color: #fff;
}

.bereich__cta svg {
    transition: transform var(--t-base);
}
.bereich:hover .bereich__cta svg,
.bereich:focus-visible .bereich__cta svg {
    transform: translateX(6px);
}

/* Dezenter Farbstreifen oben – gleich für beide */
.bereich::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--c-primary);
    opacity: 0;
    transition: opacity var(--t-base);
    z-index: 2;
}
.bereich:hover::before,
.bereich:focus-visible::before {
    opacity: 1;
}

/* Übergangstext zwischen den beiden Kacheln — auf volle Kachel-Breite gezogen.
   Padding oben+unten gleich groß wie der Abstand vom Hero-Intro zur ersten Kachel,
   damit beide Texte identisch weit von den Bildern entfernt sind. */
.bereich-intro {
    width: 100%;
    align-self: stretch;
    padding: 0;
    text-align: center;
}

.bereich-intro p {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--c-text);
    line-height: 1.65;
    max-width: none;
    text-align: center;
    hyphens: auto;
    margin: 0;
}


/* ----------------------------------------------------------
   7. TRUST-LEISTE
   ---------------------------------------------------------- */
.trust {
    padding: var(--sp-4) 0;
    background: var(--c-bg-soft);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    min-height: 160px;
    display: flex;
    align-items: center;
}

.trust > .container {
    width: 100%;
}

.trust__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-5);
    text-align: center;
}

@media (min-width: 768px) {
    .trust__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--sp-6);
        text-align: left;
    }
}

.trust__item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
}

@media (min-width: 768px) {
    .trust__item { justify-content: flex-start; }
}

.trust__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--c-bg);
    color: var(--c-primary);
    border: 1px solid var(--c-line);
}

.trust__text {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
}

@media (max-width: 767px) {
    .trust__text { white-space: normal; }
}


/* ----------------------------------------------------------
   8. KONTAKT
   ---------------------------------------------------------- */
.kontakt {
    padding: var(--sp-8) 0;
}

.kontakt__inner {
    display: grid;
    gap: var(--sp-7);
    grid-template-columns: 1fr;
}

@media (min-width: 900px) {
    .kontakt__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-8);
        align-items: start;
    }
}

.kontakt__title {
    font-size: var(--fs-3xl);
    margin-bottom: var(--sp-4);
    color: var(--c-primary);
}

.kontakt__lead {
    color: var(--c-text-soft);
    font-size: var(--fs-lg);
    max-width: 40ch;
}

.kontakt__details {
    margin: 0;
    display: grid;
    gap: var(--sp-4);
}

.kontakt__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-1);
    padding: var(--sp-4) 0;
    border-bottom: 1px solid var(--c-line);
}

@media (min-width: 600px) {
    .kontakt__row {
        grid-template-columns: 160px 1fr;
        gap: var(--sp-5);
        align-items: baseline;
    }
}

.kontakt__row dt {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--c-text-mute);
}

.kontakt__row dd {
    margin: 0;
    font-size: var(--fs-lg);
    font-weight: 400;
    color: var(--c-text);
}

.kontakt__row dd a { color: var(--c-text); }
.kontakt__row dd a:hover { color: var(--c-primary); }


/* ----------------------------------------------------------
   9. FOOTER
   ---------------------------------------------------------- */
.site-footer {
    background: var(--c-text);
    color: rgba(255, 255, 255, 0.78);
    padding: var(--sp-6) 0;
    margin-top: var(--sp-7);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .site-footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.site-footer__copy {
    font-size: var(--fs-sm);
}

.site-footer__nav {
    display: flex;
    gap: var(--sp-5);
    flex-wrap: wrap;
    justify-content: center;
}

.site-footer__nav a {
    color: rgba(255, 255, 255, 0.78);
    font-size: var(--fs-sm);
}
.site-footer__nav a:hover { color: #fff; }


/* ----------------------------------------------------------
   10. RESPONSIVE / FEINSCHLIFF
   ---------------------------------------------------------- */

/* Kontakt-Leiste im Header erst ab breiterem Viewport –
   die drei Punkte (Adresse | Telefon | E-Mail) brauchen Platz */
@media (min-width: 1024px) {
    .site-header__contact { display: flex; }
}

/* Zwischenstufe: Tablet – nur Telefon + Mail (Adresse ausblenden) */
@media (min-width: 768px) and (max-width: 1023.98px) {
    .site-header__contact {
        display: flex;
    }
    .site-header__contact-link--address {
        display: none;
    }
}

@media (max-width: 480px) {
    .site-header__brand img { height: 40px; }
    .hero { padding: var(--sp-7) 0 var(--sp-6); }
    .bereiche { padding: var(--sp-6) 0 var(--sp-7); }
}

/* Reduzierte Bewegung respektieren */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* Fokus-Stile global */
:focus-visible {
    outline: 3px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 4px;
}
.bereich:focus-visible {
    outline-offset: 4px;
}