/* style.css - Ranfor Trade Clone Styles (Strong & Bold Version) */

/* --- GENEL AYARLAR (RESET) --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    /* Metinler için Open Sans, artık daha dolgun (400 yerine 400/600 dengesi) */
    font-family: 'Open Sans', sans-serif;
    color: #222; /* Daha koyu bir siyah */
    line-height: 1.6;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-weight: 400; /* Normal kalınlık, ince değil */
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* --- TYPOGRAPHY UTILITIES --- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; /* Tüm başlıklar varsayılan olarak çok kalın */
    color: #000;
}

/* --- LAYOUT UTILITIES --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    font-size: 36px; /* Daha büyük */
    margin-bottom: 60px;
    letter-spacing: 1px; /* Harfler birbirine daha yakın ve tok */
    text-transform: uppercase;
    color: #000;
    font-weight: 800; /* Extra Bold - Çok Güçlü */
    position: relative;
}

/* Başlık altındaki çizgi efekti (Opsiyonel güçlendirme) */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #000;
    margin: 20px auto 0;
}

/* --- HEADER & NAVIGATION --- */
header {
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 180px;
    margin-right: 15px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links li a {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700; /* Menü linkleri artık kalın (Bold) */
    color: #000;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: #555;
    text-decoration: underline;
    text-underline-offset: 5px;
}

/* --- HERO SECTIONS --- */
.hero {
    position: relative;
    text-align: center;
    padding: 180px 20px;
    color: white;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('images/home.avif');
}

.hero h1 {
    font-size: 72px; /* Çok daha büyük */
    margin-bottom: 20px;
    letter-spacing: 2px;
    font-weight: 900; /* Black (En kalın) ağırlık */
    text-shadow: 2px 2px 20px rgba(0,0,0,0.6);
    line-height: 1.1;
    color: rgb(207, 205, 205);
}

.hero p {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    letter-spacing: 2px;
    font-weight: 600; /* Semi-Bold */
    text-transform: uppercase;
    text-shadow: 1px 1px 10px rgba(0,0,0,0.6);
}

.hero-about { background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('images/about1.avif'); }
.hero-services { background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('images/whatwedo.avif'); }
.hero-contact { background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('images/mavi_plaza.jpg'); }

/* --- CONTENT BLOCKS --- */
.content-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.content-block:last-child { margin-bottom: 0; }
.content-block.reverse { flex-direction: row-reverse; }

.text-col {
    flex: 1;
    min-width: 300px;
}

.text-col h3 {
    font-size: 28px;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800; /* Kalın başlıklar */
    border-left: 5px solid #000; /* Sol tarafa vurgu çizgisi */
    padding-left: 20px;
}

.text-col p {
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 400; /* Okunabilir, dolgun metin */
    line-height: 1.8;
    color: #333;
    text-align: justify;
}

.img-col {
    flex: 1;
    min-width: 300px;
}

.img-col img {
    width: 100%;
    box-shadow: 10px 10px 0px rgba(0,0,0,0.1); /* Sert gölge (Endüstriyel his) */
}

/* --- GRID SYSTEM --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.card {
    background: #fff;
    padding: 50px 30px;
    border: 2px solid #eee; /* Daha kalın kenarlık */
    text-align: center;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #000; /* Hover olunca siyah çerçeve */
}

.card h3 {
    margin-bottom: 20px;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
}

.card p {
    font-size: 16px;
    color: #555;
    font-weight: 400;
}

/* --- CONTACT --- */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
}

.contact-info, .contact-form-wrapper {
    flex: 1;
    min-width: 300px;
}

.info-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #000;
    font-weight: 800;
}

.info-item p, .info-item a {
    font-size: 18px; /* Daha büyük iletişim yazıları */
    color: #333;
    font-weight: 600; /* Kalın */
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    color: #000;
    text-transform: uppercase;
    font-weight: 700; /* Kalın etiketler */
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd; /* Kalın çerçeve */
    background-color: #f9f9f9;
    font-family: 'Open Sans', sans-serif;
    font-weight: 600; /* Yazılan yazı da dolgun olsun */
    font-size: 15px;
    color: #000;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #000;
    background-color: #fff;
    outline: none;
}

.form-group textarea { height: 150px; }

.btn-submit {
    background-color: #000;
    color: #fff;
    border: none;
    padding: 18px 50px;
    font-size: 15px;
    text-transform: uppercase;
    cursor: pointer;
    letter-spacing: 2px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; /* Buton yazısı çok kalın */
    transition: all 0.3s;
}

.btn-submit:hover {
    background-color: #444;
    transform: scale(1.05);
}

/* --- FOOTER --- */
footer {
    margin-top: auto;
    background-color: #111; /* Tam siyaha yakın */
    color: #fff;
    padding: 80px 0 40px;
    text-align: center;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 25px;
    text-transform: uppercase;
    font-weight: 800;
    color: #fff;
}

.footer-section p, .footer-section a {
    color: #ccc;
    font-size: 15px;
    font-weight: 400;
}

.footer-section a:hover { color: #fff; text-decoration: underline; }

.copyright {
    border-top: 1px solid #333;
    padding-top: 30px;
    font-size: 13px;
    color: #888;
    font-weight: 600;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .navbar { flex-direction: column; height: auto; padding: 20px 0; }
    .nav-links { flex-direction: column; gap: 20px; margin-top: 25px; }
    .hero h1 { font-size: 48px; }
    .content-block, .content-block.reverse { flex-direction: column; }
}