/* ==========================================================================
   Kraft GmbH – Stylesheet
   Nachbau des bisherigen WordPress-Themes (grc-zeroerror) ohne Abhängigkeiten.
   ========================================================================== */

:root {
    --green: #5aab33;
    --green-accent: #4eac60;
    --green-light: #a0ce4e;
    --dark: #3b4251;
    --dark-hover: #2d3541;
    --text: #333333;
    --muted: #999999;
    --box-bg: #f5f5f5;
    --box-border: #e2e2e2;
    --teaser-bg: #f6f6f6;
    --vendor-bg: #edecec;
    --error: #c62828;
    --font: "Open Sans", "Segoe UI", Arial, Helvetica, sans-serif;
    --font-head: Raleway, "Segoe UI", Arial, Helvetica, sans-serif;
    --container: 1100px;
    --gutter: 16px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { background-color: #f5f5f5; -webkit-text-size-adjust: 100%; }

body {
    margin: 0 auto;
    max-width: 1600px;
    background: #ffffff;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.6;
    overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; }

a { color: var(--green); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--text); line-height: 1.2; margin: 0 0 .6em; }

p { margin: 0 0 1em; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.container {
    width: 100%;
    max-width: calc(var(--container) + 2 * var(--gutter));
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0);
    white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: 8px; top: -60px; z-index: 1000;
    background: var(--dark); color: #fff; padding: 8px 14px;
}
.skip-link:focus { top: 8px; }

.icon-svg { display: inline-block; vertical-align: -0.15em; fill: currentColor; }

.mb-80 { margin-bottom: 80px !important; }

/* --------------------------------------------------------------------------
   Kopfbereich
   -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-top: 2px solid var(--green);
    box-shadow: 0 1px 0 #eaeaea;
}

.topbar { border-bottom: 1px solid #e4e8ed; color: var(--green); font-size: 14px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 40px; }
.topbar p { margin: 0; }
.topbar__slogan { padding-right: 10px; margin-right: 10px; border-right: 1px solid #e4e8ed; }
.topbar a { color: var(--green); }
.topbar .icon-svg { margin-right: 4px; }

.header-main { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; }

.logo { display: block; padding: 15px 0; }
.logo img { display: block; width: 155px; height: auto; }

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; }
.main-nav a {
    display: block;
    padding: 48px 0 6px;
    margin-left: 40px;
    color: var(--text);
    font-size: 15px;
    border-top: 1px solid transparent;
}
.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active { color: var(--green); border-top-color: var(--green); text-decoration: none; }

.nav-toggle {
    display: none;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    padding: 10px 14px;
    border: 0;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 16px;
    cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
    display: block; width: 20px; height: 2px; background: #fff; position: relative; content: "";
}
.nav-toggle__bars::before { position: absolute; top: -6px; }
.nav-toggle__bars::after { position: absolute; top: 6px; }

/* --------------------------------------------------------------------------
   Startseite
   -------------------------------------------------------------------------- */

.hero { position: relative; background: #f1f2f3; overflow: hidden; }
.hero__img { display: block; width: 100%; height: auto; }
.hero__caption {
    position: absolute; left: 0; right: 0; bottom: 4%;
    padding: 0 var(--gutter);
    text-align: center;
}
.hero__caption h1 {
    margin: 0 0 4px;
    color: var(--green);
    font-family: var(--font);
    font-size: clamp(28px, 5.2vw, 74px);
    font-weight: 800;
    line-height: 1.08;
}
.hero__caption p {
    margin: 0;
    color: var(--dark);
    font-size: clamp(17px, 2.9vw, 41px);
    font-weight: 800;
    line-height: 1.1;
}

.section--teaser { padding: 40px 0 30px; border-bottom: 1px solid #eaeaea; }
.section--features { padding: 90px 0 80px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

.teaser {
    margin-top: 34px;
    padding: 0 20px 30px;
    background: var(--teaser-bg);
    text-align: center;
}
.teaser__icon {
    display: flex; align-items: center; justify-content: center;
    width: 64px; height: 64px;
    margin: -34px auto 20px;
    border: 1px solid var(--green);
    border-radius: 50%;
    background: var(--teaser-bg);
}
.teaser__icon img { width: 28px; height: 28px; }
.teaser h2 { font-family: var(--font); font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.teaser p { color: #666; }

.btn {
    display: inline-block;
    padding: 5px 20px;
    font-size: 14px;
    border: 1px solid transparent;
    transition: background-color .2s ease;
    cursor: pointer;
}
.btn:hover, .btn:focus-visible { text-decoration: none; }
.btn--dark { background: var(--dark); color: #fff; }
.btn--dark:hover, .btn--dark:focus-visible { background: var(--green); color: #fff; }
.btn--green {
    padding: 12px 28px;
    border-radius: 3px;
    background: linear-gradient(to top, #1a7129, var(--green-accent));
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
}
.btn--green:hover, .btn--green:focus-visible { background: var(--dark); color: #fff; }

.feature { text-align: center; }
.feature img { width: 85px; height: auto; }
.feature h3 { font-family: var(--font); font-size: 22px; font-weight: 700; margin: 12px 0 15px; }

/* --------------------------------------------------------------------------
   Inhaltsseiten: Boxen
   -------------------------------------------------------------------------- */

.page-content { padding-top: 40px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 4%; margin-bottom: 20px; }
.grid-2 > .box { margin-bottom: 0; }

.box {
    display: flow-root;
    margin-bottom: 40px;
    padding: 40px 60px;
    background: var(--box-bg);
    border: 1px solid var(--box-border);
}
.box--accent { border-top: 5px solid var(--green-accent); }
.box h2 {
    margin: 0 0 5px;
    color: var(--dark);
    font-family: var(--font);
    font-size: 18px;
    font-weight: 800;
    line-height: 30px;
    text-transform: uppercase;
}
.box p:last-child { margin-bottom: 0; }
.box ul { margin: 0 0 1em; padding-left: 20px; }
.box li { margin-bottom: 4px; }

.box__img { float: left; width: 300px; max-width: 45%; margin: 0 30px 15px 0; }
.box__img--top { float: none; display: block; max-width: 100%; margin: 0 0 20px; }

.link-more { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }

.box--cta { text-align: left; }
.box--cta .btn { margin-top: 20px; }

.legal h1 { color: var(--dark); font-family: var(--font); font-size: 26px; font-weight: 800; }
.legal h2 { margin-top: 28px; }
.legal h3 { margin: 24px 0 5px; color: var(--dark); font-family: var(--font); font-size: 16px; font-weight: 700; }
.legal ol { padding-left: 20px; }

.error-page h1 { color: var(--dark); font-family: var(--font); font-weight: 800; }

/* Standardsoftware: Anbieter-Liste */
.vendor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px 18px;
    align-items: start;
    margin-bottom: 40px;
}
.vendor { background: var(--vendor-bg); }
.vendor summary {
    display: flex; align-items: baseline; gap: 8px;
    padding: 20px;
    color: var(--dark);
    font-family: var(--font-head);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}
.vendor summary::-webkit-details-marker { display: none; }
.vendor summary .icon-svg { flex: none; color: var(--dark); font-size: 15px; }
.vendor summary:hover { color: var(--green); }
.vendor[open] summary { color: var(--green); }
.vendor__body { padding: 0 20px 20px 43px; }
.vendor__body p { margin: 0 0 6px; }
.vendor__body p:last-child { margin-bottom: 0; }

/* Kontakt: Info-Box */
.contact-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; background: #fff; }
.contact-info h2 { margin-bottom: 8px; }
.contact-info p { margin: 0; }

/* --------------------------------------------------------------------------
   Formular
   -------------------------------------------------------------------------- */

.formbox {
    display: grid;
    grid-template-columns: 31% 1fr;
    gap: 4%;
    padding: 35px;
    background: var(--dark) url("../img/building1.jpg") center / cover no-repeat;
    color: #fff;
}
.formbox__intro h2 { margin-top: 35px; color: #fff; font-family: var(--font); font-size: 22px; font-weight: 800; }
.formbox__intro p { color: #fff; }
.formbox__form { margin-top: 30px; }
.formbox a { color: #b8e29e; }

.formbox--light { background: #ebeaea; color: var(--text); }
.formbox--light .formbox__intro h2,
.formbox--light .formbox__intro p { color: var(--text); }
.formbox--light a { color: var(--green); }

.contact-form { max-width: 560px; }
.contact-form .form-row { margin: 0 0 16px; }
.contact-form label { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
.contact-form .req { font-weight: 400; text-transform: none; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #c9c9c9;
    border-radius: 0;
    background: #fff;
    color: var(--text);
    font: inherit;
}
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form input:focus,
.contact-form textarea:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: var(--green); }
.contact-form [aria-invalid="true"] { border-color: var(--error); box-shadow: 0 0 0 1px var(--error); }

.form-row--check { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; }
.form-row--check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--green); }
.form-row--check label { font-size: 13px; font-weight: 400; text-transform: none; letter-spacing: 0; line-height: 1.5; }
.form-row--check .field-error { grid-column: 1 / -1; }

.field-error {
    display: block;
    margin-top: 4px;
    padding: 2px 8px;
    background: var(--error);
    color: #fff;
    font-size: 13px;
}

.btn-submit {
    padding: 10px 30px;
    border: 0;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color .2s ease;
}
.btn-submit:hover, .btn-submit:focus-visible { background: var(--text); }

.form-message { padding: 14px 18px; margin: 0 0 20px; }
.form-message--error { background: #fdecea; color: #7f1d1d; border-left: 4px solid var(--error); }
.form-message--success { background: rgba(255, 255, 255, .95); color: var(--text); border-left: 4px solid var(--green); }
.form-message--success h3 { color: var(--green); font-family: var(--font); font-size: 18px; }
.form-message--success a { color: var(--green); }
.form-message p:last-child { margin-bottom: 0; }

/* Honeypot – für Menschen unsichtbar */
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Modal-Dialog (Experten fragen) */
.modal {
    width: min(900px, calc(100% - 2 * var(--gutter)));
    max-height: calc(100vh - 40px);
    padding: 0;
    border: 3px solid var(--dark);
    background: #ebeaea;
}
.modal::backdrop { background: rgba(0, 0, 0, .6); }
.modal__inner { position: relative; }
.modal__close {
    position: absolute; top: 8px; right: 8px; z-index: 1;
    width: 36px; height: 36px;
    border: 0; background: transparent; color: var(--dark);
    font-size: 24px; cursor: pointer;
}
.modal__close:hover { color: var(--green); }

/* --------------------------------------------------------------------------
   Fußzeile
   -------------------------------------------------------------------------- */

.site-footer { border-top: 1px solid #eaeaea; color: var(--muted); padding: 22px 0; }
.site-footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.site-footer__copy { margin: 0; }
.site-footer__copy .sep { margin: 0 6px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--green); }
.site-footer__mail {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; flex: none;
    border-radius: 3px;
    background: var(--green);
    color: #fff !important;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .2);
}
.site-footer__mail:hover { background: var(--text); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1169px) {
    .main-nav a { margin-left: 24px; }
}

@media (max-width: 939px) {
    .nav-toggle { display: inline-flex; }
    .header-main { align-items: center; }
    .logo { padding: 12px 0; }
    .main-nav { flex-basis: 100%; display: none; }
    .main-nav.is-open { display: block; }
    .main-nav ul { flex-direction: column; border-top: 1px solid #eaeaea; }
    .main-nav a { margin: 0; padding: 12px 0; border-top: 0; border-bottom: 1px solid #eaeaea; }
    .main-nav a.is-active { border-bottom-color: #eaeaea; }

    .grid-3,
    .vendor-grid { grid-template-columns: repeat(2, 1fr); }
    .section--features { padding: 50px 0; }
    .box { padding: 30px; }
    .formbox { grid-template-columns: 1fr; gap: 0; }
    .formbox__intro h2 { margin-top: 0; }
}

@media (max-width: 767px) {
    .topbar__slogan { display: none; }
    .topbar__inner { font-size: 13px; }

    .grid-2,
    .grid-3,
    .vendor-grid,
    .contact-info { grid-template-columns: 1fr; }

    .box { padding: 24px 20px; }
    .box__img { float: none; display: block; max-width: 100%; margin: 0 0 20px; }
    .formbox { padding: 24px 20px; }
    .site-footer__inner { flex-direction: column; text-align: center; }
    .site-footer__copy .sep { margin: 0 3px; }
}

@media (max-width: 420px) {
    .topbar__inner { justify-content: center; flex-wrap: wrap; padding-top: 4px; padding-bottom: 4px; }
    .topbar__inner p { line-height: 1.6; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}

@media print {
    .site-header, .site-footer, .nav-toggle, .formbox, .modal { display: none !important; }
    .box { border: 0; padding: 0; background: none; }
}