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

body { 
    font-family: 'Barlow', sans-serif; 
    line-height: 1.7; 
    color: #444; 
    background-color: #f4f6f8; 
    padding-top: 0; 
}

/* --- PALETTE --- */
:root {
    --primary: #FFB400;   
    --primary-hover: #e5a200;
    --bg-light: #ffffff;   
    --bg-grey: #eef0f2;    
    --text-dark: #1a1a1a;  
    --text-body: #555555;
    --border: #e0e0e0;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3 { 
    font-family: 'Kanit', sans-serif; 
    color: var(--text-dark); 
    line-height: 1.1; 
    margin-bottom: 10px; 
    text-transform: uppercase; 
}

h1 { font-weight: 800; letter-spacing: 1px; }
h2 { font-size: 2.5rem; font-weight: 700; }
p { margin-bottom: 20px; font-weight: 400; font-size: 1.05rem; color: var(--text-body); }

.section-title::after { 
    content: ''; display: block; width: 60px; height: 5px; 
    background: var(--primary); margin-top: 15px; 
}

/* --- LAYOUT --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 25px; }
section { padding: 90px 0; }

/* --- BUTTONS --- */
.btn { 
    display: inline-block; background: var(--primary); color: #000; 
    padding: 16px 40px; text-decoration: none; font-weight: 700; 
    font-family: 'Kanit', sans-serif; text-transform: uppercase; letter-spacing: 1px; 
    transition: all 0.3s ease; border: none; 
    box-shadow: 0 4px 15px rgba(255, 180, 0, 0.3); 
    clip-path: polygon(0 0, 100% 0, 100% 85%, 95% 100%, 0 100%);
}
.btn:hover { background-color: #000; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

/* --- TOP BAR --- */
.top-bar { background-color: #1a1a1a; color: #ccc; padding: 10px 0; font-size: 0.85rem; font-family: 'Kanit', sans-serif; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.contact-info { display: flex; gap: 30px; }
.top-bar a { color: #ccc; text-decoration: none; transition: color 0.3s; font-weight: 500; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.top-bar a:hover { color: var(--primary); }
.icon-yellow { color: var(--primary); }

/* --- HEADER --- */
header { background: #ffffff; padding: 20px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,0.05); }
header .container { display: flex; justify-content: space-between; align-items: center; }
/* Metin Logo Stilleri Geri Yüklendi */
header h1 { font-size: 1.8rem; margin: 0; color: #000; }
header h1 span { color: var(--primary); } 

nav ul { list-style: none; display: flex; margin: 0; padding: 0; }
nav ul li { margin-left: 40px; }
nav a { color: #222; text-decoration: none; font-family: 'Kanit', sans-serif; font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; transition: color 0.3s; }
nav a:hover { color: var(--primary); }
.menu-toggle { display: none; font-size: 1.8rem; cursor: pointer; color: #000; background:none; border:none; }

/* --- HERO SLIDER --- */
#hero-slider { position: relative; height: 85vh; overflow: hidden; background: #000; touch-action: pan-y; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1s ease-in-out; background-size: cover; background-position: center; display: flex; align-items: center; }
.slide.active { opacity: 1; z-index: 1; }
.slide::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 100%); z-index: 1; }
.slide-content { position: relative; z-index: 2; padding-left: 10%; max-width: 800px; }
.slide-subtitle { color: var(--primary); font-family: 'Kanit', sans-serif; text-transform: uppercase; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; display: inline-block; background: rgba(0,0,0,0.6); padding: 5px 10px; }
.slide-content h2 { color: white; font-size: 4rem; text-shadow: 0 4px 20px rgba(0,0,0,0.5); margin-bottom: 20px; font-weight: 800; line-height: 1.1; }
.slide-content p { font-size: 1.2rem; font-weight: 400; margin-bottom: 35px; color: #f0f0f0; text-shadow: 0 2px 5px rgba(0,0,0,0.5); }
.slider-dots { position: absolute; bottom: 40px; right: 40px; z-index: 10; display: flex; gap: 10px; }
.dot { width: 12px; height: 12px; background: transparent; border: 2px solid var(--primary); transform: skew(-10deg); cursor: pointer; transition: all 0.3s; }
.dot.active { background: var(--primary); }

/* --- ABOUT --- */
#about { background: var(--bg-light); }
.about-content { max-width: 900px; margin: 0 auto; }
.about-content p strong { color: #000; }

/* --- SERVICES --- */
#services { background: var(--bg-grey); }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 50px; }
.service-card { background: #ffffff; padding: 40px 30px; border: 1px solid #eee; transition: all 0.3s ease; position: relative; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.03); }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--primary); transform: scaleY(0); transition: transform 0.3s; }
.service-card:hover::before { transform: scaleY(1); }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.08); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; color: #000; }
.service-card p { color: #666; font-size: 0.95rem; margin: 0; }

/* --- PROJECTS --- */
#projects { background: var(--bg-light); }
.project-category-title { color: var(--primary); font-size: 1.5rem; margin-bottom: 30px; margin-top: 50px; border-bottom: 2px solid #eee; padding-bottom: 10px; display: inline-block; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 30px; }
.project-card { background: #fff; border: 1px solid #eee; transition: all 0.3s ease; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.project-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.project-img { width: 100%; height: 250px; object-fit: cover; border-bottom: 4px solid var(--primary); }
.project-info { padding: 25px; }
.project-info h3 { font-size: 1.25rem; color: #000; margin-bottom: 10px; }
.project-info p { font-size: 0.95rem; color: #666; margin-bottom: 0; line-height: 1.6; }
.location-tag { font-size: 0.8rem; color: #999; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; display: block; margin-bottom: 5px; }

/* --- CONTACT --- */
#contact { background: #1a1a1a; color: white; text-align: center; border-top: 5px solid var(--primary); }
#contact h2 { color: white; }
#contact a { color: var(--primary); font-size: 1.5rem; font-weight: 700; font-family: 'Kanit', sans-serif; }
footer { background: #000; color: #666; text-align: center; padding: 40px 0; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; }

/* --- MOBILE --- */
@media (max-width: 768px) {
    .top-bar { display: none; }
    .menu-toggle { display: block; }
    nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: #ffffff; padding: 30px; text-align: center; border-bottom: 4px solid var(--primary); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
    nav ul.show { display: flex; }
    nav ul li { margin: 15px 0; margin-left: 0; }
    #hero-slider { height: 70vh; }
    .slide-content h2 { font-size: 2.5rem; }
    .slider-dots { right: 50%; transform: translateX(50%); bottom: 20px; }
    .project-grid { grid-template-columns: 1fr; }
}