:root {
    /* LIGHT MODE */
    --bg-main: #ffffff;
    --bg-header: #ffffff;
    --bg-card: #ffffff;
    --border: #e0e0e0;

    --text-main: #3a3a3a;
    --text-muted: #6b6b6b;

    --accent: #018534;
}

/* Reset / Base */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.7;
}

/* =========================
   HEADER
   ========================= */
header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 24px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

nav a:hover {
    color: var(--accent);
}

/* =========================
   HERO
   ========================= */
.hero {
    display: flex;
    justify-content: center;
    padding: 140px 20px 100px;
}

.hero-content {
    max-width: 820px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 60px 50px;
    text-align: center;
}

.hero h2 {
    font-size: 42px;
    margin: 0 0 20px;
    letter-spacing: 0.3px;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* =========================
   BUTTONS – FINAL (OPTION A)
   ========================= */

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 150px;
    padding: 14px 28px;

    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;

    border: 2px solid var(--accent);
    background-color: transparent;
    color: var(--text-main);

    cursor: pointer;
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.1s ease;
}

/* PRIMARY – gefüllt, aber OHNE Leuchten */
.btn-primary {
    background-color: transparent;
}

/* SECONDARY – Outline */
.btn-secondary {
    background-color: transparent;
}

/* HOVER – beide identisch */
.btn-primary:hover,
.btn-secondary:hover {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 8px 22px rgba(1, 133, 52, 0.28);
    transform: translateY(-1px);
}

/* ACTIVE */
.btn-primary:active,
.btn-secondary:active {
    transform: translateY(1px);
    box-shadow: 0 4px 10px rgba(1, 133, 52, 0.25);
}

/* =========================
   BUTTON FOCUS / OUTLINE FIX
   ========================= */

.btn-primary,
.btn-secondary {
    outline: none;
}

.btn-primary:focus,
.btn-primary:focus-visible,
.btn-secondary:focus,
.btn-secondary:focus-visible {
    outline: none;
    box-shadow: none;
}

/* =========================
   CONTENT
   ========================= */
.container {
    max-width: 1100px;
    margin: 0 auto 120px;
    padding: 0 20px;
}

h2 {
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 40px;
    letter-spacing: 0.3px;
}

/* =========================
   CARDS
   ========================= */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
}

.card h3 {
    margin-top: 0;
    font-size: 18px;
    margin-bottom: 10px;
}

.card p {
    font-size: 15px;
    color: var(--text-muted);
}

/* =========================
   FOOTER
   ========================= */
footer {
    background-color: var(--bg-header);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 40px 20px;
    font-size: 14px;
    color: var(--text-muted);
}

/* =========================
   DARK MODE
   ========================= */
body.dark {
    --bg-main: #3a3a3a;
    --bg-header: #3a3a3a;
    --bg-card: #3a3a3a;
    --border: #555555;

    --text-main: #ffffff;
    --text-muted: #d1d1d1;

    --accent: #018534;
}

/* =========================
   THEME TOGGLE BUTTON
   ========================= */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
    margin-left: 20px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-main);
}

.theme-toggle:hover {
    background-color: var(--bg-card);
}
/* =========================
   MOBILE FINAL FIX (STABIL)
   ========================= */

@media (max-width: 768px) {

    /* HERO – nur Abstand reduzieren, nichts ausblenden */
    .hero {
        padding: 40px 16px;
        margin: 0;
    }

    /* HEADER sauber zentriert */
    .nav-container {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        text-align: center;
    }

    header h1 {
        margin: 0;
    }

    /* NAVIGATION – Kästchen ERZWINGEN */
    nav {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin: 0;
        padding: 0;
    }

    nav a {
        width: 90%;
        max-width: 320px;

        padding: 14px 16px;

        background-color: var(--bg-card) !important;
        border: 1px solid var(--border) !important;
        border-radius: 12px !important;

        text-align: center;
        font-size: 15px;
        font-weight: 600;

        box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }

    nav a:hover,
    nav a.active {
        background-color: var(--accent) !important;
        color: #ffffff !important;
        border-color: var(--accent) !important;
    }

    /* Dark Mode Button */
    .theme-toggle {
        margin-top: 12px;
        width: 90%;
        max-width: 220px;
    }
}
@media (max-width: 768px) {

    header {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .nav-container {
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .hero {
        padding-top: 24px;
        margin-top: 0;
    }
}
@media (max-width: 768px) {

    /* Unteren Leerraum auf der Startseite entfernen */
    .hero {
        padding-bottom: 40px;
        margin-bottom: 0;
    }

    .container {
        margin-bottom: 40px;
    }

    footer {
        margin-top: 0;
        padding-top: 24px;
    }
}
@media (max-width: 768px) {

    body {
        overflow-x: hidden;
    }

    section {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding-top: 24px !important;
        padding-bottom: 24px !important;
    }

    .hero {
        padding-top: 48px !important;
        padding-bottom: 32px !important;
    }

    .container {
        margin-bottom: 0 !important;
        padding-bottom: 24px !important;
    }

    footer {
        margin-top: 24px !important;
    }
}
/* =========================
   MOBILE OPTIMIERUNG
   ========================= */
@media (max-width: 768px) {

    .hero {
        padding: 60px 16px 40px; /* ↓ MASSIV reduziert */
    }

    .hero-content {
        padding: 40px 20px;
    }

    footer {
        padding: 24px 16px;
    }
}