/* --- TYPOGRAPHIC DESIGN VARIABLES --- */
:root {
    --bg-color: #ffffff;
    --text-color: #121212;
    --accent-color: #c92a2a; /* Editöryal Kırmızı */
    --line-color: #121212;
    --gray-bg: #f4f4f4;
    --font-display: 'Playfair Display', serif; /* Başlıklar için Serif */
    --font-body: 'Inter', sans-serif;          /* Metinler için Sans */
    --max-width: 1200px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.6;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&display=swap');

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; height: auto; display: block; filter: grayscale(100%); transition: 0.3s; }
img:hover { filter: grayscale(0%); }

/* --- TYPOGRAPHY UTILS --- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

h1 { font-size: 4.5rem; letter-spacing: -1px; }
h2 { font-size: 3rem; border-top: 2px solid var(--text-color); padding-top: 20px; display: inline-block; }
h3 { font-size: 1.8rem; font-style: italic; }
p { margin-bottom: 1.5rem; max-width: 70ch; }

.highlight { color: var(--accent-color); }
.big-text { font-size: 1.5rem; font-weight: 300; line-height: 1.4; border-left: 4px solid var(--accent-color); padding-left: 20px; }

/* --- HEADER --- */
header {
    border-bottom: 2px solid var(--text-color);
    padding: 30px 0;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -1px;
}

.nav-links { display: flex; gap: 40px; }

.nav-links a {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover, .nav-links a.active {
    border-bottom: 2px solid var(--accent-color);
}

.burger { display: none; cursor: pointer; font-size: 2rem; font-family: var(--font-display); }

/* --- LAYOUTS --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 30px;
    flex: 1;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }

/* --- COMPONENTS --- */
.typo-card {
    border: 1px solid var(--text-color);
    padding: 40px;
    transition: 0.3s;
}

.typo-card:hover {
    background: var(--text-color);
    color: var(--bg-color);
}
.typo-card:hover h3, .typo-card:hover p { color: var(--bg-color); }
.typo-card:hover .icon-box svg { fill: var(--bg-color); }

.btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--text-color);
    color: var(--bg-color);
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--text-color);
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: transparent;
    color: var(--text-color);
}

.icon-box svg { width: 40px; height: 40px; fill: var(--text-color); margin-bottom: 20px; }

/* --- FORMS --- */
.form-group { margin-bottom: 30px; }
label { display: block; margin-bottom: 10px; font-weight: 700; font-family: var(--font-display); font-size: 1.2rem; }
input, textarea, select {
    width: 100%;
    padding: 20px;
    border: 2px solid var(--text-color);
    background: transparent;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-color);
    border-radius: 0;
}
input:focus, textarea:focus { outline: none; background: var(--gray-bg); }

/* --- FOOTER --- */
footer {
    border-top: 4px solid var(--text-color);
    background: var(--gray-bg);
    padding: 80px 0 30px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

.footer-col h4 { font-size: 1.5rem; margin-bottom: 20px; font-family: var(--font-display); font-style: italic; }
.footer-col a { display: block; margin-bottom: 10px; font-weight: 500; }
.footer-col a:hover { text-decoration: underline; }

.tr-phone {
    font-size: 2rem;
    font-family: var(--font-display);
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.2rem; }
    
    .nav-links {
        display: none;
        position: fixed; top: 90px; left: 0; width: 100%; height: 100vh;
        background: var(--bg-color);
        flex-direction: column; padding: 40px;
        border-top: 1px solid var(--text-color);
    }
    .nav-links.active { display: flex; }
    .burger { display: block; }
    
    .grid-2 { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; }
}