:root {
    --primary-color: #1a252f;
    --accent-color: #f39c12;
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --font-stack: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-family: var(--font-stack); color: var(--text-color); }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* HEADER & TOP BAR */
.top-bar { background-color: #111822; color: #bdc3c7; font-size: 0.85rem; padding: 8px 0; }
.top-bar-content { display: flex; justify-content: space-between; }
.top-bar i { color: var(--accent-color); }
.navbar { background-color: var(--white); box-shadow: 0 4px 6px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; padding: 20px 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); text-decoration: none; letter-spacing: 1px; }
.logo span { color: var(--accent-color); font-weight: 300; }
.nav-links { display: flex; align-items: center; }
.nav-links a { text-decoration: none; color: var(--primary-color); font-weight: 600; font-size: 0.95rem; margin-left: 20px; transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); }
.nav-links a.nav-cta { background-color: var(--primary-color); color: var(--white); padding: 8px 18px; border-radius: 4px; }
.nav-links a.nav-cta:hover, .nav-links a.nav-cta.active { background-color: var(--accent-color); color: var(--primary-color); }

/* HERO */
.hero { position: relative; height: 75vh; background: url('https://unsplash.com') no-repeat center center/cover; display: flex; align-items: center; color: var(--white); }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(26, 37, 47, 0.75); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; color: #eaedd2; }
.hero-buttons { display: flex; gap: 15px; }

/* BUTTONS */
.btn { padding: 12px 30px; font-weight: 700; text-decoration: none; border-radius: 4px; text-transform: uppercase; font-size: 0.9rem; display: inline-block; transition: transform 0.2s ease, background-color 0.3s ease; }
.btn-primary { background-color: var(--accent-color); color: var(--primary-color); }
.btn-primary:hover { background-color: var(--white); color: var(--primary-color); transform: translateY(-2px); }
.btn-secondary { border: 2px solid var(--white); color: var(--white); }
.btn-secondary:hover { background-color: var(--white); color: var(--primary-color); transform: translateY(-2px); }

/* PAGES HEADER */
.page-header { background-color: var(--primary-color); color: var(--white); padding: 60px 0; text-align: center; border-bottom: 4px solid var(--accent-color); }
.page-header p { color: #bdc3c7; margin-top: 10px; font-size: 1.1rem; }
.content-section { padding: 60px 0; }

/* LAYOUT GRIDS & CARDS */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--light-bg); padding: 30px; border-radius: 6px; border-top: 4px solid var(--primary-color); }
.card-icon { font-size: 2.5rem; color: var(--accent-color); margin-bottom: 15px; }
.split-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.sidebar-box { background: #ebf5fb; padding: 25px; border-radius: 6px; height: fit-content; }

/* PORTFOLIO FILTER */
.filter-controls { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 10px 22px; background: var(--light-bg); border: 2px solid #ddd; color: var(--primary-color); font-weight: 600; cursor: pointer; border-radius: 30px; transition: all 0.3s; }
.filter-btn.active, .filter-btn:hover { background: var(--primary-color); color: var(--white); border-color: var(--primary-color); }
.project-card { background: var(--white); border-radius: 6px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.project-card img { width: 100%; height: 220px; object-fit: cover; }
.project-info { padding: 20px; }
.project-tag { background: #ebf5fb; color: var(--primary-color); font-size: 0.75rem; font-weight: bold; padding: 4px 10px; border-radius: 20px; text-transform: uppercase; display: inline-block; margin-bottom: 10px; }

/* GALLERY */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; }
.gallery-grid img { width: 100%; height: 200px; object-fit: cover; border-radius: 4px; transition: transform 0.3s; }
.gallery-grid img:hover { transform: scale(1.03); }

/* CAREERS & NEWS */
.job-list { display: flex; flex-direction: column; gap: 15px; }
.job-item { display: flex; justify-content: space-between; align-items: center; background: var(--light-bg); padding: 20px; border-radius: 6px; border-left: 5px solid var(--accent-color); }
.job-btn { background: var(--primary-color); color: var(--white); text-decoration: none; padding: 10px 20px; border-radius: 4px; font-weight: bold; }
.blog-card { background: #fff; padding: 25px; border: 1px solid #ddd; border-radius: 4px; }
.blog-card h5 { color: var(--accent-color); margin-bottom: 10px; }

/* FORM & ALERTS */
.contact-form { display: flex; flex-direction: column; gap: 15px; background: var(--light-bg); padding: 30px; border-radius: 6px; }
.contact-form input, .contact-form select, .contact-form textarea { padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-family: inherit; width: 100%; }
.form-submit { background: var(--accent-color); color: var(--primary-color); border: none; padding: 14px; font-weight: bold; cursor: pointer; border-radius: 4px; text-transform: uppercase; }
.alert-box { padding: 15px; border-radius: 4px; font-size: 0.9rem; font-weight: 600; }
.error-alert { background-color: #fce4e4; border-left: 5px solid #c0392b; color: #c0392b; }
.success-alert { background-color: #e8f8f5; border-left: 5px solid #27ae60; color: #27ae60; }

/* FOOTER */
.main-footer { background-color: #FFFACD ; color: #black; padding: 60px 0 0 0; margin-top: 60px; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { margin: 15px 0; line-height: 1.6; }
.footer-socials a { color: var(--black); font-size: 1.3rem; margin-right: 15px; }
.footer-links h4 { color: var(--black); margin-bottom: 20px; text-transform: uppercase; font-size: 0.9rem; }
.footer-links a { display: block; color: #00008B; text-decoration: none; margin-bottom: 12px; }
.footer-links a:hover { color: var(--accent-color); }
.footer-bottom { background-color: #ADD8E6; padding: 20px 0; font-size: 0.85rem; border-top: 1px solid #1a252f; }
.footer-bottom-content { display: flex; justify-content: space-between; }

/* MOBILE NAVIGATION STYLES */
.mobile-nav-toggle { display: none; background: none; border: none; color: var(--primary-color); font-size: 1.5rem; cursor: pointer; }
@media (max-width: 992px) {
    .mobile-nav-toggle { display: block; }
    .nav-links { display: none; flex-direction: column; width: 100%; position: absolute; top: 100%; left: 0; background-color: var(--white); box-shadow: 0 10px 15px rgba(0,0,0,0.1); padding: 20px 0; z-index: 999; }
    .nav-links.mobile-active { display: flex; }
    .nav-links a { margin: 10px 0; padding: 10px 20px; width: 100%; text-align: left; }
    .nav-links a.nav-cta { display: inline-block; width: auto; margin-left: 20px; }
    .split-layout, .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom-content { flex-direction: column; gap: 10px; text-align: center; }
}