/* ==========================================================================
   Growy – Basis-Stylesheet
   Design-Tokens, Reset, Typografie, Layout, Header, Buttons, Footer
   Eingebunden auf JEDER Seite.
   ========================================================================== */

/* --- DESIGN TOKENS --- */
:root {
    --bg-dark: #0f0f0f;
    --bg-card: #1a1a1a;
    --bg-deeper: #0a0a0a;
    --text-main: #f0f0f0;
    --text-muted: #9ca3af;
    --accent-green: #5fd35f;      /* App --accent */
    --accent-green-dark: #3fa83f;  /* App --accent-d */
    --accent-green-light: #8ee787; /* App --accent2 */
    --btn-green-top: #54c454;      /* App .btn.primary Gradient oben */
    --btn-green-bottom: #3a9e3a;   /* App .btn.primary Gradient unten */
    --btn-green-border: #2f8a2f;   /* App .btn.primary Border */
    --btn-green-text: #04200a;     /* App .btn.primary Text */
    --accent-purple: #a855f7;
    --border-color: #2a2a2a;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --content-max: 1100px;
}

/* --- RESET & BASIS --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}
a { color: var(--accent-green); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }
img { max-width: 100%; }

/* --- TYPOGRAPHIE --- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.2; }
h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 1rem; color: var(--text-main); }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p { color: var(--text-muted); margin-bottom: 1rem; }
.text-green { color: var(--accent-green); }
strong { color: var(--text-main); font-weight: 600; }

/* --- LAYOUT --- */
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 20px; }

/* --- HEADER --- */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0;
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
}
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--accent-green); }
.logo svg { width: 24px; height: 24px; fill: var(--accent-green); }
.logo-img { height: 40px; width: auto; display: block; }
.nav-links { display: flex; gap: 24px; font-size: 0.9rem; font-weight: 500; }
.nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--text-main); }
.nav-links a.active { color: var(--text-main); }

/* --- BUTTONS --- */
.btn {
    display: inline-block; padding: 12px 24px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: all 0.2s;
    border: none; text-align: center;
}
.btn-primary { background: linear-gradient(180deg, var(--btn-green-top), var(--btn-green-bottom)); border: 1px solid var(--btn-green-border); color: var(--btn-green-text); }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-secondary { background-color: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: var(--bg-card); border-color: var(--text-muted); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { font-size: 1.1rem; padding: 16px 40px; }

/* --- FOOTER --- */
footer { padding: 40px 0; border-top: 1px solid var(--border-color); font-size: 0.85rem; color: var(--text-muted); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* --- LANGUAGE TOGGLE --- */
.lang-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    user-select: none;
}
.lang-toggle:hover { border-color: var(--accent-green); color: var(--text-main); }
.lang-toggle svg { width: 16px; height: 16px; fill: currentColor; }
.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: none;
    flex-direction: column;
    min-width: 180px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px;
    z-index: 200;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}
.lang-menu.open { display: flex; }
.lang-menu a {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}
.lang-menu a:hover { background: rgba(95,211,95,0.1); color: var(--text-main); }
.lang-menu a.active { color: var(--accent-green); font-weight: 700; }

/* --- RESPONSIVE (Basis) --- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}

/* --- SEKTIONS-HELPER --- */
.section { padding: 80px 0; }
.section-bordered { border-top: 1px solid var(--border-color); }
.section-header { text-align: center; margin-bottom: 60px; }