:root {
    --yellow: #F7D117; /* BVG Yellow */
    --dark: #222222;
    --grey: #333333;
    --light-grey: #e0e0e0;
    --white: #ffffff;
    
    --font-head: 'Archivo Black', sans-serif;
    --font-body: 'Roboto Condensed', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.4;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: 0.2s; }

/* Header */
.city-header { background-color: var(--dark); padding: 20px 0; position: sticky; top: 0; z-index: 1000; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-head); font-size: 1.8rem; color: var(--white); }
.yellow { color: var(--yellow); }

.city-nav ul { display: flex; gap: 20px; list-style: none; align-items: center; }
.city-nav a { color: var(--white); text-transform: uppercase; font-weight: 700; font-size: 0.9rem; }
.city-nav a:hover, .city-nav a.active { color: var(--yellow); }

.btn-yellow { background-color: var(--yellow); color: var(--dark) !important; padding: 8px 15px; border-radius: 0; }
.btn-yellow:hover { background-color: var(--white); }

/* Mobile Menu */
.mobile-toggle { display: none; background: none; border: 1px solid var(--yellow); color: var(--yellow); padding: 5px 10px; cursor: pointer; }
.mobile-menu { position: fixed; top: 0; right: -100%; width: 100%; height: 100%; background: var(--dark); z-index: 2000; padding: 50px; display: flex; flex-direction: column; align-items: center; transition: 0.4s; }
.mobile-menu.active { right: 0; }
.close-menu { align-self: flex-end; color: var(--yellow); font-size: 2rem; border: none; background: none; cursor: pointer; margin-bottom: 30px; }
.mobile-menu a { font-family: var(--font-head); font-size: 2rem; color: var(--white); margin-bottom: 20px; }

/* Hero */
.hero-berlin {
    height: 600px; background-size: cover; background-position: center; position: relative;
}
.hero-overlay {
    width: 100%; height: 100%; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center;
}
.hero-content { color: var(--white); text-align: center; max-width: 800px; padding: 20px; }
.city-tag { background-color: var(--yellow); color: var(--dark); padding: 5px 10px; font-weight: 900; margin-bottom: 20px; display: inline-block; font-family: var(--font-head); }
.hero-content h1 { font-family: var(--font-head); font-size: 4rem; line-height: 1; margin-bottom: 25px; text-shadow: 4px 4px 0 var(--dark); }
.hero-content p { font-size: 1.4rem; margin-bottom: 35px; font-weight: 700; max-width: 600px; margin-left: auto; margin-right: auto; }

.hero-search { display: flex; max-width: 500px; margin: 0 auto; background: var(--white); padding: 5px; }
.hero-search input { flex: 1; border: none; padding: 15px; font-size: 1rem; outline: none; font-family: var(--font-body); }
.hero-search button { background-color: var(--yellow); border: none; padding: 0 30px; font-family: var(--font-head); cursor: pointer; }

/* Grid */
.section-padding { padding: 80px 0; }
.section-head { margin-bottom: 50px; text-align: center; }
.section-head h2 { font-family: var(--font-head); font-size: 2.5rem; }
.yellow-bar { width: 100px; height: 10px; background-color: var(--yellow); margin: 10px auto; }

.hotspot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.spot-card { background: var(--light-grey); padding: 30px; text-align: center; transition: 0.3s; border: 2px solid transparent; }
.spot-card:hover { border-color: var(--yellow); background: var(--white); transform: scale(1.05); }
.icon { font-size: 3rem; margin-bottom: 20px; }
.spot-card h3 { font-family: var(--font-head); margin-bottom: 10px; font-size: 1.2rem; }

/* About */
.page-title { background-color: var(--yellow); padding: 50px 0; text-align: center; }
.page-title h1 { font-family: var(--font-head); font-size: 3rem; color: var(--dark); }

.about-urban { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.text-side h2 { font-family: var(--font-head); margin-bottom: 20px; font-size: 2rem; }
.quote { font-family: var(--font-head); font-size: 1.5rem; margin-top: 30px; color: var(--grey); border-left: 10px solid var(--yellow); padding-left: 20px; }
.img-side img { width: 100%; filter: grayscale(1); }

/* Reviews */
.reviews-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.review-item { border: 4px solid var(--dark); padding: 30px; }
.rating { color: var(--yellow); font-size: 1.2rem; margin-bottom: 10px; }
.review-item h3 { font-family: var(--font-head); margin-bottom: 15px; }
.user { font-weight: 700; color: var(--grey); display: block; margin-top: 15px; text-transform: uppercase; }

/* Contact Form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.info-side h2 { font-family: var(--font-head); font-size: 2.5rem; margin-bottom: 20px; }
.industrial-form { background: var(--dark); padding: 40px; color: var(--white); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: bold; color: var(--yellow); text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px; border: none; background: var(--grey); color: var(--white); font-family: var(--font-body); font-size: 1rem; }
.submit-btn { width: 100%; background-color: var(--yellow); color: var(--dark); border: none; padding: 15px; font-family: var(--font-head); font-size: 1.2rem; cursor: pointer; }

/* Legal */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h1 { font-family: var(--font-head); }
.legal-content h3 { margin-top: 30px; margin-bottom: 10px; font-family: var(--font-head); color: var(--grey); }

/* Footer */
.city-footer { background-color: var(--dark); color: var(--white); padding: 60px 0; text-align: center; margin-top: auto; }
.f-brand { font-family: var(--font-head); font-size: 1.5rem; margin-bottom: 20px; }
.f-socials { margin-bottom: 20px; font-weight: 700; }
.f-socials a:hover { color: var(--yellow); }
.copyright { opacity: 0.5; font-size: 0.8rem; }

@media (max-width: 900px) {
    .city-nav { display: none; }
    .mobile-toggle { display: block; }
    .hero-content h1 { font-size: 2.5rem; }
    .hotspot-grid, .about-urban, .reviews-list, .contact-grid { grid-template-columns: 1fr; }
}