/* ================================================================
   pyble – gemeinsames Stylesheet (base.css)
   Wird von base.html eingebunden; alle seitenspezifischen Stile
   leben weiterhin als <style>-Block in den jeweiligen Templates.
   ================================================================ */

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Ubuntu Color Variables */
:root {
    --ubuntu-orange:    #dd4814;
    --ubuntu-aubergine: #77292b;
    --ubuntu-warm-grey: #aea79f;
    --ubuntu-light-grey:#f7f7f7;
    --ubuntu-dark-grey: #454545;
    --ubuntu-white:     #ffffff;
    --ubuntu-text:      #2c001e;
}

body {
    font-family: 'Ubuntu', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--ubuntu-text);
    background: var(--ubuntu-light-grey);
    min-height: 100vh;
}

/* ── Navigation ── */
.nav-header {
    background: var(--ubuntu-aubergine);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    color: var(--ubuntu-white);
    font-size: 1.5rem;
    font-weight: 300;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-item a {
    color: var(--ubuntu-white);
    text-decoration: none;
    padding: 20px 16px;
    display: block;
    transition: background-color 0.2s ease;
    font-weight: 300;
}

.nav-item a:hover,
.nav-item a.active {
    background: var(--ubuntu-orange);
}

/* ── Burger-Menü ── */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.burger-line {
    width: 25px;
    height: 3px;
    background: var(--ubuntu-white);
    margin: 3px 0;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: var(--ubuntu-aubergine);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
    }

    .nav-menu.active { left: 0; }

    .nav-item {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .nav-item:last-child { border-bottom: none; }

    .burger-menu { display: flex; }

    .burger-menu.active .burger-line:nth-child(2) { opacity: 0; }
    .burger-menu.active .burger-line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .burger-menu.active .burger-line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
}

/* ── Ubuntu-style transitions (global) ── */
* {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}