@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&display=swap');

/* ── THEME CONSTANTS ── */
:root {
    /* MLYK Blue Palette (EN Default) */
    --color-blue-navy: #0a1628;
    --color-blue-navy-light: #111d33;
    --color-blue-navy-mid: #162541;
    --color-blue-slate: #334155;
    --color-blue-silver: #94a3b8;
    --color-blue-light: #e2e8f0;

    /* MLYK Green Palette (DE) */
    --color-green-navy: #091a0c;
    --color-green-navy-light: #0f2914;
    --color-green-navy-mid: #143318;
    --color-green-slate: #2d4a32;
    --color-green-silver: #8eab94;
    --color-green-light: #ddeee1;

    /* Shared Accents */
    --accent: #c9a84c;
    --accent-dim: #a68a3a;
    --white: #f8fafc;
    /* Global clean white */

    /* Functional Variables (Default: Blue Theme) */
    --navy: var(--color-blue-navy);
    --navy-light: var(--color-blue-navy-light);
    --navy-mid: var(--color-blue-navy-mid);
    --slate: var(--color-blue-slate);
    --silver: var(--color-blue-silver);
    --light: var(--color-blue-light);

    /* Support for Split-Screen (needs both) */
    --green: var(--color-green-navy);

    /* UI Components */
    --nav-bg: rgba(10, 22, 40, 0.92);
    --nav-mobile-bg: rgba(10, 22, 40, 0.98);
}

/* ── DE THEME OVERRIDES ── */
html[lang="de"] {
    --navy: var(--color-green-navy);
    --navy-light: var(--color-green-navy-light);
    --navy-mid: var(--color-green-navy-mid);
    --slate: var(--color-green-slate);
    --silver: var(--color-green-silver);
    --light: var(--color-green-light);

    --nav-bg: rgba(9, 26, 12, 0.92);
    --nav-mobile-bg: rgba(9, 26, 12, 0.98);
}

/* ── QUICKCHECK DUAL-THEME OVERRIDE ── */
body.theme-en {
    --navy: var(--color-blue-navy);
    --navy-light: var(--color-blue-navy-light);
    --navy-mid: var(--color-blue-navy-mid);
    --slate: var(--color-blue-slate);
    --silver: var(--color-blue-silver);
    --light: var(--color-blue-light);
}

/* ── RESET ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--navy);
    color: var(--light);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    padding: 0 2rem;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-brand {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--white);
    text-decoration: none;
}

.nav-brand span {
    color: var(--accent);
    font-family: 'Playfair Display', serif;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--silver);
    text-decoration: none;
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s;
    -webkit-font-smoothing: antialiased;
}

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

.nav-links .nav-cta {
    padding: 0.45rem 1.2rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    transition: background 0.25s, color 0.25s;
}

.nav-links .nav-cta:hover {
    background: var(--accent);
    color: var(--navy);
}

.nav-lang-pill {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    padding: 0.3rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.2s, border-color 0.2s;
}

.nav-lang-pill:hover {
    color: var(--light);
    border-color: rgba(255, 255, 255, 0.35);
}

.nav-toggle {
    display: none;
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent);
    color: var(--navy);
}

.btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: rgba(201, 168, 76, 0.1);
}

/* ── FOOTER ── */
footer {
    background: var(--navy);
    border-top: 1px solid rgba(201, 168, 76, 0.08);
    padding: 2.5rem 2rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--white);
    text-decoration: none;
}

.footer-brand span {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.78rem;
    color: var(--silver);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--white);
    flex-basis: 100%;
    text-align: center;
    line-height: 1.6;
    margin-top: 0.5rem;
}

.footer-copy a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-copy a:hover {
    color: var(--light);
}

.tisax-disclaimer {
    font-size: 0.65rem;
    color: var(--silver);
    display: block;
    margin-top: 0.5rem;
    opacity: 0.85;
}

/* Aktiver Nav-Link (aktuelle Seite) */
.nav-link-active {
    color: var(--accent) !important;
}

/* ── MOBILE ── */
@media (max-width: 768px) {
    nav {
        padding: 0 1.2rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--nav-mobile-bg);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(201, 168, 76, 0.1);
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 6px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
        z-index: 1000;
    }

    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--accent);
        transition: 0.3s;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    footer {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem 1.2rem;
    }
}