/* --- BAUHAUS VARIABLES --- */
:root {
    --bauhaus-red: #d03026;
    --bauhaus-blue: #1c4e94;
    --bauhaus-yellow: #f4b400;
    --bauhaus-black: #1a1a1a;
    --bauhaus-white: #fdfdfd; /* Hafif kırık beyaz */
    --border-thick: 3px solid var(--bauhaus-black);
    --font-primary: 'Montserrat', sans-serif; /* Geometrik Sans-serif */
    --max-width: 1200px;
}

/* --- RESET & TEMEL --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-family: var(--font-primary);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&display=swap');

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; height: auto; display: block; border: var(--border-thick); }

/* --- GEOMETRIK ŞEKİLLER (DEKORATİF) --- */
.shape-circle {
    width: 50px; height: 50px; border-radius: 50%;
    background: var(--bauhaus-red); border: var(--border-thick);
    display: inline-block;
}
.shape-triangle {
    width: 0; height: 0; 
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 50px solid var(--bauhaus-blue);
    display: inline-block;
}
.shape-rect {
    width: 50px; height: 50px;
    background: var(--bauhaus-yellow); border: var(--border-thick);
    display: inline-block;
}

/* --- HEADER --- */
header {
    border-bottom: var(--border-thick);
    background: var(--bauhaus-white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo span { color: var(--bauhaus-red); }

.nav-links { display: flex; gap: 30px; }

.nav-links a {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
}

.nav-links a:hover { color: var(--bauhaus-blue); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -5px; left: 0;
    width: 0; height: 4px; background: var(--bauhaus-yellow);
    transition: 0.3s;
}
.nav-links a:hover::after { width: 100%; }

.burger { display: none; cursor: pointer; font-size: 2rem; }

/* --- LAYOUT --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 20px;
    flex: 1;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

/* --- COMPONENTS --- */
.bauhaus-card {
    background: var(--bauhaus-white);
    border: var(--border-thick);
    padding: 30px;
    box-shadow: 10px 10px 0px var(--bauhaus-black);
    transition: transform 0.2s;
    position: relative;
    overflow: hidden;
}

.bauhaus-card:hover { transform: translate(-5px, -5px); box-shadow: 15px 15px 0px var(--bauhaus-red); }

/* Renkli şeritler */
.border-red { border-top: 10px solid var(--bauhaus-red); }
.border-blue { border-top: 10px solid var(--bauhaus-blue); }
.border-yellow { border-top: 10px solid var(--bauhaus-yellow); }

.btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--bauhaus-black);
    color: var(--bauhaus-white);
    font-weight: 700;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    margin-top: 20px;
    transition: 0.3s;
}

.btn:hover {
    background: var(--bauhaus-red);
    box-shadow: 5px 5px 0 var(--bauhaus-blue);
}

.icon-box svg { width: 50px; height: 50px; fill: var(--bauhaus-black); margin-bottom: 20px; }

/* --- TYPOGRAPHY --- */
h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; text-transform: uppercase; }
h2 { font-size: 2.5rem; margin-bottom: 30px; position: relative; display: inline-block; }
h2::before {
    content: ''; position: absolute; left: -20px; top: 0; height: 100%; width: 10px; background: var(--bauhaus-yellow);
}
p { margin-bottom: 20px; font-size: 1.1rem; }

/* --- HERO --- */
.hero {
    border-bottom: var(--border-thick);
    background: linear-gradient(90deg, var(--bauhaus-white) 50%, var(--bauhaus-blue) 50%);
}
.hero .container { display: flex; align-items: center; padding: 0; max-width: 100%; }
.hero-text { flex: 1; padding: 80px; background: var(--bauhaus-white); }
.hero-img { flex: 1; height: 600px; overflow: hidden; position: relative; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; border: none; }

/* --- FORMS --- */
.form-group { margin-bottom: 25px; }
label { display: block; margin-bottom: 10px; font-weight: 700; text-transform: uppercase; }
input, textarea, select {
    width: 100%;
    padding: 15px;
    border: var(--border-thick);
    background: #fff;
    font-family: inherit;
    font-size: 1rem;
    border-radius: 0;
}
input:focus, textarea:focus { outline: none; border-color: var(--bauhaus-blue); background: #f0f8ff; }

/* --- FOOTER --- */
footer {
    background: var(--bauhaus-black);
    color: var(--bauhaus-white);
    padding: 60px 0 20px;
    margin-top: auto;
    border-top: 10px solid var(--bauhaus-red);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-col h4 { color: var(--bauhaus-yellow); margin-bottom: 20px; font-size: 1.5rem; text-transform: uppercase; }
.footer-col a { display: block; margin-bottom: 10px; color: #ccc; }
.footer-col a:hover { color: var(--bauhaus-white); text-decoration: underline; }

.tr-phone {
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bauhaus-white);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--bauhaus-white);
        flex-direction: column; padding: 40px; text-align: center;
        border-bottom: var(--border-thick);
    }
    .nav-links.active { display: flex; }
    .burger { display: block; }
    
    .hero .container { flex-direction: column; }
    .hero-text { padding: 40px 20px; width: 100%; }
    .hero-img { width: 100%; height: 300px; }
    
    .grid-2 { grid-template-columns: 1fr; }
    h1 { font-size: 2.5rem; }
    
    .footer-content { flex-direction: column; text-align: center; }
    .tr-phone { justify-content: center; }
}