/* Basis */
:root {
    --bg: #0d0d0d;
    --fg: #f5f5f5;
    --accent: #4a9eff;
    --gradient-1: #4a9eff;
    --gradient-2: #2451ff;
    --card-shadow: 0 8px 32px rgba(74, 158, 255, 0.2);
    
    /* Kartenfarben */
    --card-1-color: rgba(255,255,255,0.1);
    --card-1-border: rgba(255,255,255,0.15);
    --card-1-shadow: rgba(255,255,255,0.2);
    
    --card-2-color: rgba(255,50,50,0.1);
    --card-2-border: rgba(255,50,50,0.15);
    --card-2-shadow: rgba(255,50,50,0.2);
    
    --card-3-color: rgba(50,255,150,0.1);
    --card-3-border: rgba(50,255,150,0.15);
    --card-3-shadow: rgba(50,255,150,0.2);
    
    --card-4-color: rgba(92,200,255,0.1);
    --card-4-border: rgba(92,200,255,0.15);
    --card-4-shadow: rgba(92,200,255,0.2);
}
* {box-sizing:border-box;margin:0;padding:0}
body {
    font-family:"Inter",sans-serif;
    background:var(--bg);
    color:var(--fg);
    min-height:100vh;
    display:flex;
    flex-direction:column;
    gap:2rem;
    padding:2rem clamp(1rem,4vw,3rem);
}

/* Intro */
header h1 {
    font-size:clamp(2.5rem,6vw,4.5rem);
    letter-spacing:-0.03em;
    line-height:1.1;
    background: linear-gradient(to right, var(--gradient-1), var(--gradient-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradient 8s ease infinite;
}

header .intro {
    font-size:clamp(1rem,3.5vw,1.25rem);
    opacity:.8;
    margin-top:.5rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Remove span styles */
header h1 span {
    display: none;
}
header h1 span::after {
    display: none;
}
header h1:hover span::after {
    display: none;
}

/* Karten-Grids für 4 Links */
#cards {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:2rem;
    margin-top:2rem;
}
.card {
    position: relative;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height: 200px;
    background: linear-gradient(145deg, rgba(255,92,240,0.1) 0%, rgba(116,51,255,0.1) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    text-decoration:none;
    color:var(--fg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

/* Spezifische Farben für jede Karte */
.card:nth-child(1) {
    background: linear-gradient(145deg, var(--card-1-color) 0%, rgba(255,255,255,0.1) 100%);
    border-color: var(--card-1-border);
}

.card:nth-child(2) {
    background: linear-gradient(145deg, var(--card-2-color) 0%, rgba(255,50,50,0.1) 100%);
    border-color: var(--card-2-border);
}

.card:nth-child(3) {
    background: linear-gradient(145deg, var(--card-3-color) 0%, rgba(50,255,150,0.1) 100%);
    border-color: var(--card-3-border);
}

.card:nth-child(4) {
    background: linear-gradient(145deg, var(--card-4-color) 0%, rgba(92,200,255,0.1) 100%);
    border-color: var(--card-4-border);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, var(--gradient-1), var(--gradient-2));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}
.card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    text-align: center;
}
.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}
.card-temp {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--fg);
    opacity: 0.8;
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--card-shadow);
}
.card:hover::before {
    opacity: 0.1;
}
.card:hover .card-temp {
    opacity: 1;
    transform: scale(1.05);
}

/* Spezifische Hover-Effekte für jede Karte */
.card:nth-child(1):hover {
    box-shadow: 0 8px 32px var(--card-1-shadow);
}

.card:nth-child(2):hover {
    box-shadow: 0 8px 32px var(--card-2-shadow);
}

.card:nth-child(3):hover {
    box-shadow: 0 8px 32px var(--card-3-shadow);
}

.card:nth-child(4):hover {
    box-shadow: 0 8px 32px var(--card-4-shadow);
}

/* Spezifische Farben für die Temperatur-Anzeige */
.card:nth-child(1) .card-temp {
    color: var(--fg);
}

.card:nth-child(2) .card-temp {
    color: var(--fg);
}

.card:nth-child(3) .card-temp {
    color: var(--fg);
}

.card:nth-child(4) .card-temp {
    color: var(--fg);
}

/* Spezifische Farben für die Textseiten */
body[data-page="text1"] {
    --page-color: var(--card-1-color);
    --page-border: var(--card-1-border);
    --page-accent: rgba(255,255,255,0.9);
}

body[data-page="text2"] {
    --page-color: var(--card-2-color);
    --page-border: var(--card-2-border);
    --page-accent: rgba(255,50,50,0.9);
}

body[data-page="text3"] {
    --page-color: var(--card-3-color);
    --page-border: var(--card-3-border);
    --page-accent: rgba(50,255,150,0.9);
}

body[data-page="text4"] {
    --page-color: var(--card-4-color);
    --page-border: var(--card-4-border);
    --page-accent: rgba(92,200,255,0.9);
}

/* Back-Button Styling */
.back-link {
    color: var(--page-accent) !important;
    text-decoration: none;
    padding: 0.25rem 0.3rem;
    border: 1px solid var(--page-border);
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    position: absolute;
    top: 2rem;
    left: 3rem;
}

.back-link:hover {
    background: var(--page-color);
    transform: translateX(-4px);
}

/* Textseiten Styling */
article {
    border-left: 2px solid var(--page-border);
    padding-left: 2rem;
    margin-left: 1rem;
    margin-top: 4rem;
}

article h2 {
    color: var(--page-accent);
    margin-bottom: 2rem;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Langer Text (z. B. text1.html) */
article {
    max-width:65ch;
    margin-inline:auto;
    font-size:clamp(1rem,4vw,1.25rem);
    line-height:1.6;
    display:flex;
    flex-direction:column;
    gap:1.25rem;
}