:root {
    --black: #111111;
    --concrete: #f0f0f0;
    --dark-grey: #222222;
    --signal-yellow: #ccff00; /* Neon Lime/Yellow */
    --white: #ffffff;
    
    --font-display: 'Archivo', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--concrete);
    color: var(--black);
    line-height: 1.5;
}

.container { width: 90%; max-width: 1400px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* Marquee */
.marquee-container { background: var(--black); color: var(--white); overflow: hidden; white-space: nowrap; padding: 5px 0; font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 1px; }
.marquee-content { display: inline-block; animation: scroll 20s linear infinite; }
@keyframes scroll { from { transform: translateX(100%); } to { transform: translateX(-100%); } }

/* Header */
.berlin-header { background: var(--white); padding: 20px 0; border-bottom: 3px solid var(--black); position: sticky; top: 0; z-index: 1000; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-display); font-weight: 900; font-size: 2rem; letter-spacing: -1px; }
.box { background: var(--black); color: var(--white); padding: 0 5px; margin-left: 2px; }

.berlin-nav ul { display: flex; gap: 30px; list-style: none; align-items: center; }
.berlin-nav a { font-family: var(--font-display); font-weight: 700; font-size: 1rem; text-transform: uppercase; }
.berlin-nav a:hover, .berlin-nav a.active { text-decoration: underline; text-decoration-thickness: 3px; text-decoration-color: var(--signal-yellow); }

.btn-yellow { background: var(--signal-yellow); padding: 10px 25px; color: var(--black) !important; border: 2px solid var(--black); text-decoration: none !important; }
.btn-yellow:hover { background: var(--black); color: var(--signal-yellow) !important; }

/* Mobile Menu */
.mobile-toggle { display: none; background: none; border: 2px solid var(--black); font-family: var(--font-display); font-weight: bold; cursor: pointer; padding: 5px 10px; }
.mobile-menu { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--signal-yellow); z-index: 2000; display: flex; flex-direction: column; align-items: center; justify-content: center; transform: translateY(-100%); transition: 0.4s; }
.mobile-menu.active { transform: translateY(0); }
.close-menu { position: absolute; top: 20px; right: 20px; background: none; border: 2px solid var(--black); font-family: var(--font-display); font-weight: bold; cursor: pointer; padding: 5px 10px; }
.mobile-menu a { font-family: var(--font-display); font-size: 3rem; font-weight: 900; margin: 10px 0; color: var(--black); text-transform: uppercase; }

/* Hero */
.hero-brutal { padding: 50px 0; border-bottom: 3px solid var(--black); background: var(--white); }
.hero-split { display: flex; align-items: stretch; height: 70vh; }
.hero-text { flex: 1; padding: 60px; display: flex; flex-direction: column; justify-content: center; border-right: 3px solid var(--black); }
.label { font-family: var(--font-display); font-weight: bold; background: var(--black); color: var(--white); width: fit-content; padding: 5px 10px; margin-bottom: 20px; }
.hero-text h1 { font-family: var(--font-display); font-size: 5rem; line-height: 0.9; margin-bottom: 30px; letter-spacing: -2px; }
.hero-text p { font-size: 1.2rem; max-width: 400px; margin-bottom: 40px; }
.btn-outline { border: 3px solid var(--black); color: var(--black); padding: 15px 40px; font-family: var(--font-display); font-weight: 700; display: inline-block; width: fit-content; }
.btn-outline:hover { background: var(--black); color: var(--white); }

.hero-img { flex: 1.5; background-size: cover; background-position: center; position: relative; }
.overlay-text { position: absolute; bottom: 20px; right: 20px; background: var(--signal-yellow); color: var(--black); padding: 10px 20px; font-family: var(--font-display); font-weight: 800; border: 2px solid var(--black); }

/* Listings */
.section-padding { padding: 100px 0; }
.section-head { margin-bottom: 60px; border-bottom: 3px solid var(--black); padding-bottom: 20px; }
.section-head h2 { font-family: var(--font-display); font-size: 3rem; text-transform: uppercase; }

.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.property-card { border: 3px solid var(--black); background: var(--white); transition: 0.3s; }
.property-card:hover { box-shadow: 10px 10px 0 var(--black); transform: translate(-5px, -5px); }
.p-image { position: relative; height: 300px; overflow: hidden; border-bottom: 3px solid var(--black); }
.p-image img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.property-card:hover img { transform: scale(1.1); }
.tag { position: absolute; top: 10px; left: 10px; background: var(--white); border: 2px solid var(--black); padding: 5px 15px; font-weight: bold; font-family: var(--font-display); }
.tag.sell { background: var(--signal-yellow); }

.p-details { padding: 30px; }
.p-details h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 5px; }
.loc { color: #666; margin-bottom: 20px; font-size: 0.9rem; }
.specs { display: flex; justify-content: space-between; border-top: 2px solid #eee; border-bottom: 2px solid #eee; padding: 10px 0; margin-bottom: 20px; font-weight: bold; font-family: var(--font-display); }
.btn-link { font-weight: 700; font-family: var(--font-display); text-transform: uppercase; }
.btn-link:hover { background: var(--signal-yellow); }

/* About */
.page-title { background: var(--black); color: var(--white); padding: 80px 0; }
.page-title h1 { font-family: var(--font-display); font-size: 4rem; text-align: center; }

.agency-grid { display: flex; gap: 60px; align-items: center; }
.text-block h2 { font-family: var(--font-display); font-size: 2.5rem; margin-bottom: 20px; }
.yellow-bar { width: 100px; height: 10px; background: var(--signal-yellow); margin-bottom: 30px; }
.brutal-list { list-style: none; margin-top: 40px; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.brutal-list li { margin-bottom: 15px; }
.img-block img { width: 100%; border: 3px solid var(--black); box-shadow: 15px 15px 0 var(--signal-yellow); }

/* Testimonials */
.feedback-stack { display: flex; flex-direction: column; gap: 40px; max-width: 800px; margin: 0 auto; }
.feed-item { background: var(--white); border: 3px solid var(--black); padding: 40px; position: relative; }
.feed-item:nth-child(even) { margin-left: 50px; background: var(--signal-yellow); }
.stars { font-size: 1.5rem; margin-bottom: 15px; }
.feed-item p { font-size: 1.2rem; margin-bottom: 20px; font-style: italic; }
.author { font-family: var(--font-display); }

/* Contact Form */
.contact-brutal { display: flex; border: 3px solid var(--black); background: var(--white); }
.c-info { flex: 1; background: var(--black); color: var(--white); padding: 60px; }
.c-info h2 { font-family: var(--font-display); font-size: 3rem; color: var(--signal-yellow); margin-bottom: 30px; }
.c-data p { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 15px; border-bottom: 1px solid #333; padding-bottom: 5px; }

.b-form { flex: 1.5; padding: 60px; }
.input-group { margin-bottom: 25px; }
.input-group label { display: block; font-family: var(--font-display); font-weight: 900; margin-bottom: 5px; }
.input-group input, .input-group select, .input-group textarea { width: 100%; padding: 15px; border: 2px solid var(--black); background: var(--concrete); font-family: var(--font-body); font-size: 1rem; }
.input-group input:focus, .input-group textarea:focus { background: var(--white); outline: none; border-color: var(--signal-yellow); }
.submit-btn { width: 100%; background: var(--black); color: var(--white); border: none; padding: 20px; font-family: var(--font-display); font-weight: 900; font-size: 1.5rem; cursor: pointer; transition: 0.3s; }
.submit-btn:hover { background: var(--signal-yellow); color: var(--black); }

/* Legal */
.legal-box { max-width: 800px; margin: 0 auto; padding: 50px; background: var(--white); border: 3px solid var(--black); }
.legal-box h1 { font-family: var(--font-display); }

/* Footer */
.berlin-footer { background: var(--black); color: var(--white); padding: 60px 0 20px; margin-top: auto; }
.footer-content { display: flex; justify-content: space-between; padding-bottom: 40px; border-bottom: 1px solid #333; }
.f-left h4 { font-family: var(--font-display); font-size: 2rem; color: var(--signal-yellow); }
.f-right a { color: var(--white); margin-left: 20px; font-family: var(--font-display); font-weight: bold; }
.bottom-bar { text-align: center; padding-top: 20px; font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 2px; }

@media (max-width: 900px) {
    .berlin-nav { display: none; }
    .mobile-toggle { display: block; }
    .hero-split, .listing-grid, .agency-grid, .contact-brutal { flex-direction: column; }
    .hero-text h1 { font-size: 3.5rem; }
    .hero-text { border-right: none; border-bottom: 3px solid var(--black); padding: 40px; }
    .hero-img { height: 300px; }
    .feed-item:nth-child(even) { margin-left: 0; }
}