/* * assets/css/style.css
 * AI Index Presence - Global Stylesheet
 * Design: Modern High-End Tech, Lavalamp Navigation, Symmetric Split-Hero
 */

/* --- 1. GRUNDLAGEN & VARIABLEN --- */
:root {
    --color-background-light: #f4f4f9; 
    --color-background-dark: #121217; 
    --color-text-dark: #1a1a1a;
    --color-text-light: #ffffff;
    --color-accent-blue-start: #0072ff;
    --color-accent-blue-end: #00c6ff;
    --font-family-base: 'Inter', sans-serif;
    --font-family-heading: 'Poppins', sans-serif;
    --header-height: 125px;
    --border-radius-soft: 5px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

*:focus {
    outline: none;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-family-heading);
    margin-bottom: 0.5em;
    line-height: 1.2;
}

/* --- 2. HEADER & NAVIGATION --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5vw;
    background-color: var(--color-background-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.main-header .logo img {
    height: 83px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
}

.header-right-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-wrapper {
    position: relative;
    display: flex;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius-soft);
    padding: 5px;
    z-index: 10;
    height: 50px;
}

.nav-item {
    position: relative;
    z-index: 20;
    padding: 0 25px;
    line-height: 40px; 
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    transition: color 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

/* Lavalamp Highlighter */
.nav-wrapper .animation {
    position: absolute;
    height: 40px;
    top: 5px;
    z-index: 5;
    transition: all .45s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: var(--border-radius-soft);
    background: linear-gradient(90deg, var(--color-accent-blue-start), var(--color-accent-blue-end));
    width: 0;
    left: 0;
}

.nav-wrapper a:nth-child(1):hover ~ .animation { left: 5px; width: 90px; }
.nav-wrapper .dropdown-trigger:hover ~ .animation { left: 95px; width: 145px; }
.nav-wrapper a:nth-child(3):hover ~ .animation { left: 240px; width: 125px; }
.nav-wrapper a:nth-child(4):hover ~ .animation { left: 365px; width: 115px; }

/* FIX: Schrift im Hauptmenü bleibt schwarz */
.nav-wrapper .nav-item:hover, 
.nav-wrapper .dropdown-trigger:hover .dropbtn { 
    color: var(--color-text-dark) !important; 
}

/* DROPDOWN SYSTEM */
.dropdown-trigger { position: relative; }
.dropdown-trigger::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 15px;
    z-index: 5;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--color-text-light);
    min-width: 750px;
    box-shadow: 0px 15px 35px rgba(0,0,0,0.15);
    top: 50px; 
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--border-radius-soft);
    padding: 35px;
    gap: 40px;
    z-index: 2000;
}

.dropdown-trigger:hover .dropdown-content { display: flex; }

.nav-column { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    position: relative; 
    overflow: visible !important; 
}

.column-title {
    font-weight: 800;
    color: var(--color-accent-blue-start);
    margin-bottom: 15px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 1px solid rgba(0, 114, 255, 0.1);
    padding-bottom: 5px;
}

.nav-column a {
    padding: 8px 0 !important;
    font-size: 14px;
    text-transform: none;
    color: var(--color-text-dark) !important;
    font-weight: 500;
    line-height: 1.2;
    transition: transform 0.2s ease;
}

.nav-column a:hover {
    color: #004299 !important;
    transform: translateX(5px);
}

/* --- 3. HAMBURGER MENU (REANIMIERT & SICHTBAR) --- */
#menu-btn-container {
    display: none;
    width: 39px;
    transform: scale(1.2);
    z-index: 2001;
}

#menu-btn { width: 39px; overflow: hidden; }
#menu-checkbox { display: none; }
#menu-label { position: relative; display: block; height: 29px; cursor: pointer; }

#menu-label:before, #menu-label:after, #menu-bar {
    position: absolute;
    left: 0; width: 100%; height: 5px;
    background-color: var(--color-text-dark) !important; /* Balken wieder SCHWARZ */
}

#menu-label:before { top: 0; content: ""; }
#menu-label:after { top: 12px; content: ""; }
#menu-bar { top: 24px; background-color: var(--color-accent-blue-start) !important; }

#menu-bar:before {
    content: attr(data-text);
    position: absolute;
    top: 5px;
    right: 0;
    left: 0;
    color: var(--color-accent-blue-start);
    font-size: 12px;
    font-weight: bold;
    font-family: var(--font-family-heading);
    text-align: center;
    opacity: 0;
}

#menu-checkbox:checked + #menu-label:before { left: -39px; }
#menu-checkbox:checked + #menu-label:after { left: 39px; }

#menu-checkbox:checked + #menu-label #menu-bar:before {
    opacity: 1;
    animation: moveUpThenDown 0.8s ease 0.2s forwards,
               shakeWhileMovingUp 0.8s ease 0.2s forwards;
}

@keyframes moveUpThenDown {
    0% { top: 5px; }
    50% { top: -27px; }
    100% { top: -14px; }
}

@keyframes shakeWhileMovingUp {
    0% { transform: rotateZ(0); }
    25% { transform: rotateZ(-10deg); }
    50% { transform: rotateZ(0deg); }
    75% { transform: rotateZ(10deg); }
    100% { transform: rotateZ(0); }
}

/* --- 4. INTRO PAGE / SPLIT HERO --- */
.intro-page { padding-top: var(--header-height); }
.split-hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    position: relative;
    overflow: hidden;
}

.split-half {
    padding: 10vh 7vw;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 10;
}

.half-indexierung { background-color: var(--color-background-light); }
.half-sichtbarkeit { background-color: var(--color-background-dark); color: var(--color-text-light); }

.divider-bar {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-accent-blue-start), var(--color-accent-blue-end));
    z-index: 60;
}

.divider-bar img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: auto;
    background-color: var(--color-background-light);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    border: 2px solid var(--color-accent-blue-start);
}

.split-hero h2 { font-size: 3.5rem; font-weight: 800; margin-bottom: 20px; }
.half-sichtbarkeit h2 {
    background: linear-gradient(45deg, var(--color-accent-blue-start), var(--color-accent-blue-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- BUTTONS --- */
.cta-button, .secondary-cta-button {
    margin-top: 40px;
    padding: 16px 45px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--border-radius-soft);
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    min-width: 220px;
    cursor: pointer;
}

.cta-button {
    background: linear-gradient(90deg, var(--color-accent-blue-start) 0%, var(--color-accent-blue-end) 100%);
    color: var(--color-text-light);
    border: none;
}

.secondary-cta-button {
    background: transparent;
    color: var(--color-accent-blue-start);
    border: 3px solid var(--color-accent-blue-start);
}

.cta-button:hover, .secondary-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 114, 255, 0.3);
}

/* --- 5. FOOTER STYLING --- */
.main-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
    padding: 60px 5vw 30px;
    border-top: 4px solid var(--color-accent-blue-start);
}

.footer-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-nav { display: flex; gap: 40px; }
.footer-nav .nav-column h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-blue-end);
    margin-bottom: 25px;
}

.footer-nav ul { list-style: none; }
.footer-nav ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    opacity: 0.6;
    font-size: 0.95rem;
    transition: opacity 0.3s;
    line-height: 2.2;
}

.footer-nav ul li a:hover { opacity: 1; }
.footer-branding { text-align: center; display: flex; flex-direction: column; align-items: center; }
.footer-icon { height: 45px; width: auto; margin-bottom: 15px; }
.footer-branding h2 { font-size: 1.6rem; margin: 0; letter-spacing: 1px; }
.slogan { font-size: 0.9rem; opacity: 0.5; font-style: italic; }

.footer-legal-top { text-align: right; opacity: 0.6; font-size: 0.9rem; line-height: 1.8; }

/* Glossar-Ticker & Rechtliche Links Blau */
.footer-ticker {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 0;
    display: flex;
    justify-content: center;
}

.ticker-term { 
    color: var(--color-accent-blue-end) !important; 
    font-weight: 700; 
    text-transform: uppercase; 
    font-size: 0.85rem; 
    letter-spacing: 1px; 
}

.ticker-def { color: #a0a0a5; font-size: 0.9rem; opacity: 0.8; }

.footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    margin-top: 20px;
}

.bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright-info a, .legal-links a {
    color: var(--color-accent-blue-end) !important; /* Leuchtendes Blau */
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
    opacity: 0.9;
}

.copyright-info a:hover, .legal-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.legal-links { display: flex; gap: 30px; }

/* --- 6. MOBILE & RESPONSIVE --- */
@media (max-width: 1100px) {
    .dropdown-content { min-width: 95vw; gap: 20px; padding: 20px; }
}

@media (max-width: 768px) {
    :root { --header-height: 100px; }
    .main-header { height: 100px; }

    .main-nav { display: block !important; }
    #menu-btn-container { display: block !important; }

    .nav-wrapper {
        display: none; 
        position: fixed; 
        top: 100px; left: 0; width: 100%;
        height: calc(100vh - 100px); 
        background: #ffffff !important; 
        flex-direction: column !important; 
        z-index: 999999 !important; 
        padding: 20px 8vw; 
        overflow-y: auto; 
        border-radius: 0;
        align-items: flex-start !important; 
    }
    
    .nav-wrapper.mobile-open { display: flex !important; }

    .nav-item { 
        width: 100%; 
        color: black !important; 
        border-bottom: 1px solid #eee; 
        padding: 15px 0;
        text-align: left;
        display: block !important; 
        font-size: 16px;
    }
    
    .dropdown-content { 
        position: static; 
        display: block !important; 
        flex-direction: column !important;
        min-width: 100% !important; 
        box-shadow: none; 
        padding: 10px 0 20px 0; 
        transform: none;
        background: transparent;
    }
    
    .nav-column { 
        margin-bottom: 25px; 
        width: 100%;
        display: flex !important;
        flex-direction: column !important; 
    }

    .column-title {
        font-size: 12px;
        margin-bottom: 10px;
        padding-bottom: 5px;
        display: block;
    }

    .nav-column a {
        display: block !important; 
        padding: 10px 0 !important;
        font-size: 14px;
        border-bottom: 1px solid rgba(0,0,0,0.03);
        width: 100%;
    }

    .animation { display: none !important; }
    
    .split-hero { flex-direction: column; }
    .divider-bar { display: none; }
    .split-half { padding: 40px 5vw; text-align: center; }

    /* MOBILE FOOTER FIX */
    .main-footer { background-color: var(--color-background-dark) !important; padding: 40px 5vw !important; }
    .footer-main-grid { grid-template-columns: 1fr !important; text-align: center; gap: 30px; }
    .footer-nav { flex-direction: column; align-items: center; gap: 25px; }
    .footer-legal-top { text-align: center !important; }
    .bottom-content { flex-direction: column; text-align: center; gap: 15px; }
    .legal-links { justify-content: center; width: 100%; gap: 20px; }
}

/* --- TOOLTIP SYSTEM (ABSOLUTE ÜBERLAGERUNG) --- */
.dropdown-content { overflow: visible !important; z-index: 2000; }
.nav-column { position: relative; overflow: visible !important; }
.has-tooltip { position: relative; }

.has-tooltip::after {
    content: attr(data-tip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(15px);
    width: 260px;
    white-space: normal;
    word-wrap: break-word;
    background: #ffffff;
    color: var(--color-text-dark);
    padding: 15px;
    font-size: 14px;
    line-height: 1.5;
    text-transform: none;
    font-weight: 400;
    border-radius: var(--border-radius-soft);
    box-shadow: 0 10px 40px rgba(0,0,0,0.25); 
    border-left: 4px solid var(--color-accent-blue-start);
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 99999 !important; 
    pointer-events: none;
}

.has-tooltip:hover::after { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(5px); }
.has-tooltip:hover { z-index: 9999; }
.nav-column:last-child .has-tooltip::after { left: auto; right: 100%; transform: translateY(-50%) translateX(-15px); border-left: none; border-right: 4px solid var(--color-accent-blue-start); box-shadow: -10px 10px 40px rgba(0,0,0,0.25); }

/* FIX: Tooltips auf Mobile deaktivieren */
@media (max-width: 768px) {
    .has-tooltip::after { display: none !important; }
}