/* =========================================================
   BusinessClub Dinkelsbühl – modernes Stylesheet
   Open Sans (Text) + Cardo (Überschriften), ohne Framework
   ========================================================= */

/* Cardo – selbst gehostet (wie in der alten Version) */
@font-face {
    font-family: "Cardo";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/cardo-v19-latin-regular.woff2") format("woff2"),
         url("../fonts/cardo-v19-latin-regular.woff") format("woff"),
         url("../fonts/cardo-v19-latin-regular.ttf") format("truetype");
}
@font-face {
    font-family: "Cardo";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("../fonts/cardo-v19-latin-700.woff2") format("woff2"),
         url("../fonts/cardo-v19-latin-700.woff") format("woff"),
         url("../fonts/cardo-v19-latin-700.ttf") format("truetype");
}

:root {
    --dark:    #22232d;
    --dark-2:  #2c2d39;
    --text:    #555759;
    --muted:   #727272;
    --accent:  #2b9fc9;
    --accent-d:#1f7fa3;
    --bg:      #ffffff;
    --faded:   #f6f7f9;
    --border:  #e6e8ec;
    --radius:  10px;
    --shadow:  0 6px 24px rgba(20, 24, 40, .08);
    --container: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Open Sans", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: "Cardo", Georgia, serif;
    color: var(--dark);
    line-height: 1.25;
    margin: 0 0 .6em;
    font-weight: 700;
}

p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.2em; }
li { margin-bottom: .4em; }

a { color: var(--accent-d); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

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

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}
.container-text { max-width: 900px; }

.section { padding: 80px 0; }
.section-faded { background: var(--faded); }

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2.2rem;
    position: relative;
    padding-bottom: .6rem;
}
.section-title::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 60px; height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.lead { font-size: 1.05rem; }
.mt-2 { margin-top: 1.5rem; }
.text-left { text-align: left; }

/* ---------- Header / Navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--dark);
    box-shadow: 0 2px 10px rgba(0,0,0,.15);
}
.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}
.nav-logo { height: 46px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a {
    color: #d7d9e0;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: .95rem;
    font-weight: 600;
    transition: background .2s, color .2s;
}
.nav-menu a:hover,
.nav-menu a.is-active { color: #fff; background: rgba(255,255,255,.08); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 26px; height: 2px;
    background: #fff;
    transition: .3s;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url("../../images/bcdkb_back.jpg") center 28% / cover no-repeat fixed;
    color: #fff;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(34,35,45,.15), rgba(34,35,45,.3));
}
.hero-content { position: relative; padding: 20px; }
.hero h1 {
    color: #fff;
    font-weight: 400;
    font-size: clamp(2rem, 5vw, 3.4rem);
    margin: 0;
    text-shadow: 0 2px 20px rgba(0,0,0,.4);
}

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 32px;
    text-align: center;
}
.card h3 { font-size: 1.25rem; }
.card ul { text-align: left; }
.card-wide { margin-bottom: 26px; }
.card.text-left, .card-wide.text-left { text-align: left; }

/* ---------- Partner-Logos ---------- */
.partner-section { background: var(--faded); padding: 60px 0; }
.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    align-items: center;
}
.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform .25s;
}
.partner-item:hover { transform: translateY(-4px); }
.partner-item img { border-radius: 6px; max-height: 120px; object-fit: contain; }

/* ---------- Mitglieder (Unternehmen) ---------- */
.member-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.member-card {
    display: flex;
    align-items: center;
    min-height: 92px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--dark);
    font-family: "Cardo", serif;
    font-weight: 700;
    font-size: 1.02rem;
    line-height: 1.3;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.member-card:hover {
    transform: translateY(-4px);
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 26px rgba(43,159,201,.35);
}
.member-note { margin-top: 24px; font-style: italic; color: var(--muted); }

/* ---------- Formulare ---------- */
.form { max-width: 920px; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
.form input {
    width: 100%;
    padding: 13px 16px;
    font: inherit;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color .2s, box-shadow .2s;
}
.form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(43,159,201,.15);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form > .btn { display: block; margin: 0 auto; }

.btn {
    display: inline-block;
    padding: 13px 34px;
    font: inherit;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    transition: background .2s, transform .1s;
}
.btn:hover { background: var(--accent-d); }
.btn:active { transform: translateY(1px); }

.form-message {
    padding: 14px 18px;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 20px;
}
.form-message.is-ok    { background: #e6f6ec; color: #1e7e44; border: 1px solid #b9e3c7; }
.form-message.is-error { background: #fdecec; color: #b02a2a; border: 1px solid #f3c2c2; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); padding: 26px 0; }
.footer-inner { display: flex; justify-content: flex-end; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #b9bcc6; font-size: .95rem; }
.footer-links a:hover { color: #fff; }

/* ---------- Back to top ---------- */
.back-to-top {
    position: fixed;
    right: 24px; bottom: 24px;
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-size: 1.3rem;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .3s, transform .3s, background .2s;
    z-index: 60;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-d); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .partner-grid { grid-template-columns: repeat(2, 1fr); }
    .member-grid  { grid-template-columns: repeat(2, 1fr); }
    .form-grid    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .hero { background-attachment: scroll; min-height: 46vh; }

    .nav-toggle { display: flex; }
    .nav-menu {
        position: absolute;
        top: 72px; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--dark-2);
        padding: 8px 16px 16px;
        box-shadow: 0 12px 20px rgba(0,0,0,.25);
        display: none;
    }
    .nav-menu.is-open { display: flex; }
    .nav-menu a { padding: 13px 10px; }

    .grid-2, .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .partner-grid, .member-grid { grid-template-columns: 1fr; }
    .card { padding: 24px 22px; }
}