/* FARBEN VOM COVER: Blau, Sky, Gelb, Grün */
:root {
    --cover-blue: #0076B9;  
    --cover-sky: #70C9F1;   
    --cover-yellow: #F6CE41; 
    --cover-green: #A3D44F;  
    --dark: #0A0A0A;
    --white: #FFFFFF;
    --gray: #F4F4F4;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* DEKORATIVE RÄNDER (SPIELBRETT-OPTIK) */
.game-border-top, .game-border-bottom {
    height: 15px;
    background: repeating-linear-gradient(
        to right,
        var(--cover-blue) 0, var(--cover-blue) 25%,
        var(--cover-yellow) 25%, var(--cover-yellow) 50%,
        var(--cover-green) 50%, var(--cover-green) 75%,
        var(--cover-sky) 75%, var(--cover-sky) 100%
    );
    width: 100%;
    position: fixed;
    z-index: 1000;
}
.game-border-top { top: 0; }
.game-border-bottom { bottom: 0; }

/* HEADER */
header {
    padding: 40px 0;
    background: var(--white);
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 900;
    letter-spacing: 2px;
    font-size: 1.1rem;
}

.logo .dot { color: var(--cover-blue); }

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    font-size: 0.8rem;
    margin-left: 30px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-cta {
    background: var(--cover-blue);
    color: var(--white) !important;
    padding: 10px 20px;
}

/* HERO SECTION */
#hero {
    padding: 100px 0;
    background: var(--gray);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.main-title {
    font-size: 6rem;
    font-weight: 900;
    line-height: 0.9;
    color: var(--cover-blue);
    margin-bottom: 20px;
}

/* KORREKTUR M: Sauberer Block-Schatten statt Outline für maximale Klarheit */
.main-title .highlight {
    color: var(--cover-yellow);
    text-shadow: 4px 4px 0 var(--cover-blue);
}

.subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--dark);
    max-width: 500px;
}

.hero-quote {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.95rem;
    border-left: 4px solid var(--cover-green);
    padding-left: 20px;
    margin-bottom: 40px;
    color: #444;
}

.btn-main {
    display: inline-block;
    padding: 20px 40px;
    background: var(--dark);
    color: var(--white);
    text-decoration: none;
    font-weight: 900;
    letter-spacing: 2px;
    transition: 0.3s;
}

.btn-main:hover {
    background: var(--cover-blue);
}

.book-cover {
    width: 100%;
    max-width: 450px;
    box-shadow: 25px 25px 0 var(--cover-sky);
}

/* STORY SECTION */
#story {
    padding: 120px 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 50px;
    text-align: center;
    color: var(--cover-blue);
}

.text-card {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    background: var(--gray);
    padding: 60px;
    position: relative;
    border-left: 8px solid var(--cover-blue);
}

/* HIGHLIGHTS GRID */
#highlights {
    padding-bottom: 120px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-box {
    padding: 40px;
    color: var(--white);
    transition: transform 0.3s;
}

.feature-box:hover {
    transform: translateY(-5px);
}

.feature-box.blue { background: var(--cover-blue); }
.feature-box.yellow { background: var(--cover-yellow); color: var(--dark); }
.feature-box.green { background: var(--cover-green); }

.feature-box h3 {
    font-weight: 900;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* CTA SECTION */
.cta-section {
    padding: 100px 0;
    text-align: center;
}

.cta-inner {
    background: var(--dark);
    color: var(--white);
    padding: 80px 40px;
}

.amazon-btn {
    display: inline-block;
    margin: 40px 0;
    padding: 20px 60px;
    background: var(--cover-yellow);
    color: var(--dark);
    font-weight: 900;
    text-decoration: none;
    font-size: 1.4rem;
    box-shadow: 8px 8px 0 var(--cover-sky);
    transition: 0.2s;
}

.amazon-btn:hover {
    transform: scale(1.05);
}

.format-list {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.8rem;
    opacity: 0.7;
}

footer {
    padding: 60px 0 100px 0;
    text-align: center;
    font-size: 0.8rem;
}

footer a {
    color: var(--cover-blue);
    text-decoration: none;
    font-weight: bold;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .main-title { font-size: 3.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .text-card { padding: 30px; }
}