/* Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-color: #C9A227;   /* Altın */
    --secondary-color: #0F172A; /* Lacivert */
    --light-bg: #F5F5F5;        /* Açık Gri */
    --light-text: #FFFFFF;      /* Beyaz */
    --dark-text: #0F172A;       /* Lacivert Yazı */
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.btn-primary:hover {
    background-color: #b08d1e;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--light-text);
    color: var(--light-text);
}

.btn-secondary:hover {
    background-color: var(--light-text);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Header & Navigasyon */
header {
    background-color: var(--secondary-color);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.logo h2 {
    color: var(--light-text);
    font-weight: 700;
    letter-spacing: 1px;
}

.logo h2 span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

.nav-btn .btn {
    padding: 8px 18px;
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    height: 80vh;
    background-color: var(--secondary-color);
    position: relative;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--light-text);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 30px;
    color: #cbd5e1;
}

.hero-buttons .btn {
    margin-right: 15px;
}

/* Özellikler (Features) */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    padding-bottom: 50px;
}

.feature-card {
    background: var(--light-text);
    padding: 35px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.feature-card p {
    color: #475569;
    font-size: 0.95rem;
}

/* --- ALT SAYFALARIN ORTAK CSS AYARLARI --- */
.page-header {
    background-color: var(--secondary-color);
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    color: #cbd5e1;
    font-size: 1.1rem;
}

/* Hakkımızda Sayfası Tasarımı */
.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text h2 span {
    color: var(--primary-color);
}

.about-text p {
    color: #475569;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

/* Neden Biz Bölümü */
.why-us-section {
    margin-top: 80px;
}

.section-title {
    text-align: center;
    color: var(--secondary-color);
    font-size: 2.2rem;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
}

.about-stats {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.stat-box {
    background-color: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    flex: 1;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-bottom: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-box i {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-box h3 {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.stat-box p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--secondary-color);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.2);
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.5;
}

/* Hizmetlerimiz Sayfası Tasarımı */
.services-section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--primary-color);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.service-card p {
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
}

.service-list li {
    margin-bottom: 10px;
    color: #475569;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.service-list li i {
    font-size: 1rem;
    color: var(--primary-color);
    margin-right: 10px;
    margin-bottom: 0;
}

/* Projeler Sayfası Tasarımı */
.projects-section {
    padding: 80px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.project-img-placeholder {
    width: 100%;
    height: 250px;
    background-color: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.project-img-placeholder i {
    font-size: 3.5rem;
    color: var(--primary-color);
    opacity: 0.4;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.project-info p {
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.project-tag {
    display: inline-block;
    padding: 5px 12px;
    background: #f1f5f9;
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* İletişim Sayfası Tasarımı */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.contact-info p {
    color: #64748b;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    width: 50px;
}

.info-details h4 {
    color: var(--secondary-color);
    margin-bottom: 2px;
}

.info-details p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
}

.contact-form button {
    width: 100%;
    border: none;
    cursor: pointer;
}