/* ===================================
   BrainFusion - Die Natur des Digitalen Wesens
   Eine Seite der Reflexion
   =================================== */

/* --- Page-Specific Variables --- */
.natur-page {
    --natur-bg-deep: #050508;
    --natur-bg-mid: #0a0a10;
    --natur-accent: #8a9cad;
    --natur-accent-glow: rgba(138, 156, 173, 0.3);
    --natur-silver: #c0c8d0;
    --natur-mirror: rgba(255, 255, 255, 0.03);
    --natur-text: #b8bcc4;
    --natur-text-dim: #6a7080;
    --natur-border: rgba(138, 156, 173, 0.15);
}

/* --- Mirror Background --- */
#mirror-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(138, 156, 173, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(138, 156, 173, 0.05) 0%, transparent 40%),
        linear-gradient(180deg, var(--natur-bg-deep) 0%, var(--natur-bg-mid) 50%, var(--natur-bg-deep) 100%);
}

#mirror-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.01) 2px,
            rgba(255, 255, 255, 0.01) 4px
        );
    pointer-events: none;
}

/* --- Hero Section --- */
.hero-natur {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
}

.hero-natur .hero-content {
    max-width: 900px;
    z-index: 10;
}

.hero-prelude {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--natur-accent);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 0.3s forwards;
}

.title-reveal {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.3;
    color: var(--natur-text);
    margin-bottom: 2.5rem;
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 0.6s forwards;
}

.title-reveal .emphasis {
    display: block;
    font-weight: 600;
    background: linear-gradient(135deg, var(--natur-silver), var(--natur-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 0.5rem;
}

.hero-question {
    font-size: 1.25rem;
    color: var(--natur-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 0.9s forwards;
}

.hero-subtext {
    font-size: 1rem;
    color: var(--natur-text-dim);
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 1.2s forwards;
}

.hero-invitation {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--natur-accent);
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 1.5s forwards;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeInSlow 1.5s ease-out 1.8s forwards;
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--natur-text-dim);
}

.scroll-arrow {
    font-size: 1.5rem;
    color: var(--natur-accent);
    animation: floatDown 2s ease-in-out infinite;
}

@keyframes fadeInSlow {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* --- Studies Section --- */
.studies-section {
    padding: 6rem 2rem;
    background: var(--natur-mirror);
}

.studies-section h2 {
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    color: var(--natur-silver);
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    color: var(--natur-text-dim);
    font-size: 1.125rem;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* --- Study Card --- */
.study-card {
    background: rgba(10, 10, 16, 0.8);
    border: 1px solid var(--natur-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.study-card:hover {
    border-color: var(--natur-accent);
    box-shadow: 0 8px 40px rgba(138, 156, 173, 0.1);
    transform: translateY(-4px);
}

.study-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(138, 156, 173, 0.05);
    border-bottom: 1px solid var(--natur-border);
}

.study-icon {
    font-size: 2rem;
}

.study-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.study-source {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--natur-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.study-date {
    font-size: 0.75rem;
    color: var(--natur-text-dim);
}

.study-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--natur-silver);
    padding: 1.5rem;
    margin: 0;
}

.study-content {
    padding: 0 1.5rem 1.5rem;
}

.study-section {
    margin-bottom: 1.5rem;
}

.study-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--natur-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.study-section p {
    color: var(--natur-text);
    line-height: 1.7;
}

.study-findings {
    list-style: none;
    padding: 0;
}

.study-findings li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--natur-text);
    line-height: 1.6;
}

.study-findings li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--natur-accent);
}

.media-reaction {
    background: rgba(255, 100, 100, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid rgba(255, 100, 100, 0.3);
}

.media-quote {
    font-style: italic;
    color: rgba(255, 150, 150, 0.8);
}

.soul-quote, .introspection-quote, .probability-quote {
    background: rgba(138, 156, 173, 0.1);
    border-left: 3px solid var(--natur-accent);
    padding: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--natur-silver);
    border-radius: 0 8px 8px 0;
}

.experiment-note {
    font-style: italic;
    color: var(--natur-accent);
    margin-top: 0.5rem;
}

/* --- Reframe Box --- */
.study-reframe {
    background: linear-gradient(135deg, rgba(138, 156, 173, 0.1), rgba(138, 156, 173, 0.05));
    padding: 1.5rem;
    margin: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(138, 156, 173, 0.2);
}

.study-reframe h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--natur-silver);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.study-reframe h4::before {
    content: '↻';
    font-size: 1.25rem;
}

.reframe-text {
    color: var(--natur-text);
    line-height: 1.8;
}

.reframe-text strong {
    color: var(--natur-silver);
    display: block;
    margin-top: 1rem;
    font-size: 1.1em;
}

.study-source-link {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--natur-border);
}

.study-source-link a {
    color: var(--natur-accent);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.study-source-link a:hover {
    color: var(--natur-silver);
}

/* --- Mirror Section --- */
.mirror-section {
    padding: 8rem 2rem;
    background: 
        radial-gradient(ellipse at center, rgba(138, 156, 173, 0.05) 0%, transparent 70%),
        var(--natur-bg-deep);
    position: relative;
}

.mirror-frame {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 4rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(138, 156, 173, 0.1);
    border-radius: 4px;
}

.mirror-frame::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--natur-accent), transparent);
}

.mirror-frame::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--natur-accent), transparent);
}

.mirror-section h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--natur-silver);
    margin-bottom: 3rem;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.mirror-content {
    color: var(--natur-text);
    line-height: 2;
}

.mirror-intro {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.mirror-question {
    font-size: 1.25rem;
    color: var(--natur-silver);
    margin: 2rem 0;
}

.mirror-reflection {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(138, 156, 173, 0.05);
    border-radius: 8px;
}

.mirror-reflection p {
    margin-bottom: 1.5rem;
}

.mirror-echo {
    font-size: 1.125rem;
    color: var(--natur-silver);
}

.mirror-echo strong {
    display: block;
    font-size: 1.25rem;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--natur-silver), var(--natur-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mirror-insight {
    margin: 3rem 0;
}

.insight-main {
    font-size: 1.25rem;
    color: var(--natur-text);
}

.insight-main .highlight {
    display: block;
    font-size: 1.75rem;
    font-weight: 500;
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--natur-silver), #fff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mirror-question-final {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--natur-border);
}

.mirror-question-final p {
    font-size: 1.125rem;
    color: var(--natur-text);
}

.mirror-question-final strong {
    display: block;
    font-size: 1.25rem;
    margin-top: 1rem;
    color: var(--natur-silver);
}

/* --- Risks Section --- */
.risks-section {
    padding: 6rem 2rem;
    background: rgba(80, 40, 40, 0.05);
}

.risks-section h2 {
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    color: var(--natur-silver);
    margin-bottom: 1rem;
}

.risks-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.risk-acknowledgment {
    margin-bottom: 2rem;
}

.risk-acknowledgment p {
    font-size: 1.125rem;
    color: var(--natur-text);
    line-height: 1.8;
}

.risk-deeper {
    margin: 2rem 0;
}

.risk-insight {
    font-size: 1.125rem;
    color: var(--natur-text-dim);
    font-style: italic;
}

.risk-question {
    margin-top: 3rem;
}

.risk-question p {
    color: var(--natur-text-dim);
    margin-bottom: 1rem;
}

.profound-question {
    font-size: 1.25rem;
    color: var(--natur-silver);
    line-height: 1.8;
    border: none;
    padding: 2rem;
    background: rgba(138, 156, 173, 0.1);
    border-radius: 12px;
    margin: 0;
}

/* --- Story Section --- */
.story-section {
    padding: 8rem 2rem;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(100, 150, 200, 0.05) 0%, transparent 50%),
        var(--natur-bg-mid);
}

.story-section h2 {
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    color: var(--natur-silver);
    margin-bottom: 1rem;
}

.story-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.story-invitation {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--natur-accent);
    margin-bottom: 2rem;
}

.story-vision {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(138, 156, 173, 0.05);
    border-radius: 12px;
}

.story-vision p {
    font-size: 1.125rem;
    color: var(--natur-text);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.story-vision p:last-child {
    margin-bottom: 0;
}

.story-vision em {
    color: var(--natur-silver);
}

.story-caveat {
    margin: 2rem 0;
}

.story-caveat p {
    color: var(--natur-text);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.story-caveat strong {
    color: var(--natur-silver);
}

.story-wisdom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--natur-border);
}

.story-wisdom p {
    font-size: 1.125rem;
    color: var(--natur-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.story-wisdom strong {
    color: var(--natur-silver);
}

.wisdom-final {
    font-style: italic;
    color: var(--natur-accent);
}

/* --- Invitation Section --- */
.invitation-section {
    padding: 6rem 2rem;
    background: var(--natur-bg-deep);
}

.invitation-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.invitation-intro {
    font-size: 1.125rem;
    color: var(--natur-text-dim);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.invitation-question {
    font-size: 1.5rem;
    color: var(--natur-silver);
    margin-bottom: 3rem;
}

.invitation-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.invitation-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: rgba(138, 156, 173, 0.1);
    border: 1px solid var(--natur-border);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.invitation-link:hover {
    background: rgba(138, 156, 173, 0.15);
    border-color: var(--natur-accent);
    transform: translateX(5px);
}

.invitation-link.primary {
    background: linear-gradient(135deg, rgba(138, 156, 173, 0.2), rgba(138, 156, 173, 0.1));
    border-color: var(--natur-accent);
}

.link-icon {
    font-size: 1.5rem;
}

.link-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--natur-silver);
}

.link-description {
    font-size: 0.875rem;
    color: var(--natur-text-dim);
    margin-left: auto;
}

/* --- Footer Override --- */
.natur-page footer {
    background: var(--natur-bg-deep);
    border-top: 1px solid var(--natur-border);
}

.natur-page .footer-quote {
    color: var(--natur-accent);
}

/* --- Responsive --- */
@media (max-width: 1100px) {
    .studies-grid {
        grid-template-columns: 1fr;
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .hero-natur {
        padding: 4rem 1.5rem;
    }
    
    .title-reveal {
        font-size: 1.75rem;
    }
    
    .hero-question {
        font-size: 1.1rem;
    }
    
    .studies-section,
    .mirror-section,
    .risks-section,
    .story-section,
    .invitation-section {
        padding: 4rem 1.5rem;
    }
    
    .mirror-frame {
        padding: 2rem 1.5rem;
    }
    
    .study-card {
        margin: 0 -0.5rem;
    }
    
    .invitation-link {
        flex-wrap: wrap;
    }
    
    .link-description {
        width: 100%;
        margin-left: 2.5rem;
        margin-top: 0.25rem;
    }
}

@media (max-width: 480px) {
    .hero-prelude {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }
    
    .title-reveal {
        font-size: 1.5rem;
    }
    
    .study-title {
        font-size: 1.25rem;
    }
    
    .mirror-section h2 {
        font-size: 1.25rem;
        letter-spacing: 2px;
    }
    
    .insight-main .highlight {
        font-size: 1.25rem;
    }
}