/* General Styling and Reset */
:root { --dark-bg: #0F172A; --light-bg: #1E293B; --accent-blue: #38BDF8; --text-primary: #E2E8F0; --text-secondary: #94A3B8; --border-color: #334155; }
.main-header, main, .main-footer { display: none; }
.js-enabled .main-header, .js-enabled main, .js-enabled .main-footer { display: block; }
.no-js-banner { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: var(--dark-bg); color: var(--text-primary); display: flex; align-items: center; justify-content: center; text-align: center; z-index: 2000; font-size: 1.2rem; }
.no-js-banner p { margin: 0; max-width: 600px; padding: 2rem; background-color: var(--light-bg); border: 2px solid var(--accent-blue); border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { overflow-x: hidden; max-width: 100vw; font-family: 'Poppins', sans-serif; background-color: var(--dark-bg); color: var(--text-primary); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
h1, h2, h3 { font-weight: 600; color: var(--text-primary); }
h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2.5rem; margin-bottom: 2rem; text-align: center; }
p { color: var(--text-secondary); margin-bottom: 1rem; }
a { color: var(--accent-blue); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #7dd3fc; }
.btn { display: inline-block; padding: 0.8rem 1.8rem; background: var(--accent-blue); color: var(--dark-bg); border: none; border-radius: 50px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; text-transform: uppercase; letter-spacing: 1px; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(56, 189, 248, 0.2); color: var(--dark-bg) !important; background: #7dd3fc; }

/* Header / Navigation */
.main-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(10px); padding: 1rem 0; transition: background 0.3s ease, padding 0.3s ease; }
.main-header.scrolled { box-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.main-header .container { display: flex; justify-content: space-between; align-items: center; padding: 0 3rem; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); z-index: 10; display: flex; align-items: center; gap: 0.5rem; }
.logo-img { height: 52px; width: auto; max-width: none; object-fit: contain; }
.logo span { color: var(--accent-blue); }
.main-nav { margin-top: 1.5rem; }
.main-nav ul { display: flex; list-style: none; }
.main-nav ul li { margin-left: 2rem; }
.main-nav a { font-weight: 400; color: var(--text-primary); padding: 0.5rem 1rem; position: relative; border-radius: 8px; transition: all 0.3s ease; }
.main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--accent-blue); transition: width 0.3s ease; }
.main-nav a:hover { color: var(--accent-blue); box-shadow: 0 0 15px rgba(56, 189, 248, 0.3); background-color: rgba(56, 189, 248, 0.1); }
.main-nav a:hover::after { width: 100%; }
.main-nav .dropdown { position: relative; }
.main-nav .dropdown-menu { position: absolute; top: 100%; left: 0; background: var(--light-bg); border: 1px solid var(--border-color); border-radius: 8px; min-width: 220px; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; box-shadow: 0 10px 20px rgba(0,0,0,0.3); z-index: 1001; }
.main-nav .dropdown:hover .dropdown-menu, .main-nav .dropdown-menu:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .dropdown-menu a { display: block; padding: 0.8rem 1.2rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); transition: all 0.3s ease; border-radius: 0; }
.main-nav .dropdown-menu a:last-child { border-bottom: none; border-radius: 0 0 8px 8px; }
.main-nav .dropdown-menu a:first-child { border-radius: 8px 8px 0 0; }
.main-nav .dropdown-menu a:hover { background-color: var(--dark-bg); color: var(--accent-blue); box-shadow: none; }
.main-nav .dropdown > a::after { display: none !important; }
.main-nav .dropdown > a:hover::after { display: none !important; width: 0 !important; }
.dropdown-arrow { font-size: 0.8em; margin-left: 0.5rem; transition: transform 0.3s ease; display: inline-block; }
.main-nav .dropdown > a { font-weight: 400; color: var(--text-primary); padding: 0.5rem 1.5rem 0.5rem 1.5rem; position: relative; border-radius: 8px; transition: all 0.3s ease; }
.main-nav .dropdown > a .dropdown-arrow { position: absolute; right: 0.3rem; margin-left: 0; top: 50%; transform: translateY(-50%); }
.main-nav .dropdown > a::before { content: ''; position: absolute; left: 0.3rem; top: 50%; transform: translateY(-50%); width: 0.8em; height: 1em; opacity: 0; }
.main-nav .login-btn { background: linear-gradient(135deg, var(--accent-blue), #2563eb); color: white !important; border: none; font-weight: 500; padding: 0.6rem 1.2rem !important; border-radius: 8px; box-shadow: 0 2px 8px rgba(56, 189, 248, 0.2); transition: all 0.3s ease; }
.main-nav .login-btn:hover { background: linear-gradient(135deg, #2563eb, #1d4ed8); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4); color: white !important; }
.main-nav .login-btn::after { display: none !important; }
.footer-nav .dropdown > a { display: flex; align-items: center; justify-content: center; text-align: center; position: relative; }
.footer-nav .dropdown > a .dropdown-arrow { position: absolute; right: 0; margin-left: 0; }
.main-nav .dropdown:hover .dropdown-arrow, .main-nav .dropdown.open .dropdown-arrow { transform: translateY(-50%) rotate(180deg); }
.footer-nav .dropdown.open .dropdown-arrow { transform: rotate(180deg); }
.menu-toggle { display: none; z-index: 10; cursor: pointer; }

/* Page Header */
.page-header { padding: 8rem 0 3rem; text-align: center; background-color: var(--dark-bg); }
.page-header .icon { font-size: 3rem; color: var(--accent-blue); margin-bottom: 1.5rem; }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header .subtitle { font-size: 1.2rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* Hero Section */
#hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; padding: 60px 1rem 0; }
#particles-js { position: absolute; width: 100%; height: 100%; top: 0; left: 0; z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-content .subtitle { font-size: 1.2rem; color: var(--accent-blue); font-weight: 400; margin-bottom: 1rem; }

/* Sections */
.section { padding: 6rem 0; opacity: 1; transform: translateY(0); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.js-enabled .section { opacity: 0; transform: translateY(30px); }
.js-enabled .section.visible { opacity: 1; transform: translateY(0); }
#services { background-color: var(--light-bg); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem; }
.service-card { background: var(--dark-bg); padding: 2.5rem 2rem; border-radius: 12px; border: 1px solid var(--border-color); text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; display: block; color: inherit; text-decoration: none; cursor: pointer; }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.3); color: inherit; text-decoration: none; }
.service-card .icon { font-size: 3rem; margin-bottom: 1.5rem; color: var(--accent-blue); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }

/* About Section */
.about-content { display: flex; align-items: center; gap: 3rem; }
.about-text, .about-image { flex: 1; }
.about-text { text-align: center; }
.about-image img { max-width: 100%; border-radius: 12px; box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* Contact Section */
#contact { background-color: var(--light-bg); }
.contact-form { max-width: 600px; margin: 3rem auto 0; text-align: center; }
.form-group { margin-bottom: 1.5rem; }
.form-group input, .form-group textarea { width: 100%; padding: 1rem; background: var(--dark-bg); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-family: 'Poppins', sans-serif; font-size: 1rem; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3); }
.form-group.error input, .form-group.error textarea { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3); }
.form-group.error input:focus, .form-group.error textarea:focus { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3); }
.error-message { color: #ef4444; font-size: 0.875rem; margin-top: 0.5rem; display: block; }
.form-group.error .error-message { animation: slideIn 0.3s ease-out; }

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group.success input, .form-group.success textarea { border-color: #10b981; }
.form-group.success input:focus, .form-group.success textarea:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3); }

/* Footer */
.main-footer { padding: 3rem 0 1rem; text-align: center; border-top: 1px solid var(--border-color); background-color: var(--light-bg); }
.footer-content { margin-bottom: 2rem; }
.footer-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.footer-nav li { margin: 0; }
.footer-nav a { color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; transition: all 0.3s ease; font-weight: 400; padding: 0.5rem 1rem; border-radius: 8px; display: inline-block; }
.footer-nav a:hover { color: var(--accent-blue); box-shadow: 0 0 15px rgba(56, 189, 248, 0.3); background-color: rgba(56, 189, 248, 0.1); transform: translateY(-2px); }
.footer-copyright { padding-top: 1.5rem; margin-top: 2rem; }
.footer-copyright p { font-size: 0.9rem; color: var(--text-secondary); margin: 0; }
.footer-nav .dropdown { position: relative; }
.footer-nav .dropdown-menu { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: var(--light-bg); border: 1px solid var(--border-color); border-radius: 8px; min-width: 200px; opacity: 0; visibility: hidden; transition: all 0.3s ease; box-shadow: 0 10px 20px rgba(0,0,0,0.3); margin-bottom: 0.5rem; }
.footer-nav .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; }
.footer-nav .dropdown-menu a { display: block; padding: 0.6rem 1rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); transition: all 0.3s ease; border-radius: 0; font-size: 0.9rem; }
.footer-nav .dropdown-menu a:last-child { border-bottom: none; border-radius: 0 0 8px 8px; }
.footer-nav .dropdown-menu a:first-child { border-radius: 8px 8px 0 0; }
.footer-nav .dropdown-menu a:hover { background-color: var(--dark-bg); color: var(--accent-blue); box-shadow: none; transform: none; }

/* Responsive Styles */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .container { padding: 0 1.5rem; }
    .main-header .container { padding: 0 3rem; }
    .section { padding: 4rem 0; }
    .service-card.mobile-highlighted { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.3); }
    .page-header { padding: 6rem 0 2rem; }
    .page-header .icon { font-size: 2.5rem; margin-bottom: 1rem; }
    .page-header .subtitle { font-size: 1.1rem; }
    .menu-toggle { display: block; margin-right: 1rem; margin-top: 1.8rem; }
    .main-nav { position: absolute; top: 0; left: 0; width: 100%; height: 100vh; background: var(--dark-bg); transform: translateX(100%); transition: transform 0.3s ease-in-out; margin-top: 0; }
    .main-nav.active { transform: translateX(0); }
    .main-nav ul { flex-direction: column; justify-content: center; align-items: center; height: 100%; }
    .main-nav ul li { margin: 1.5rem 0; }
    .main-nav a { font-size: 1.2rem; }
    .main-nav .dropdown-menu { position: static; opacity: 0; visibility: hidden; transform: translateY(-10px); box-shadow: none; border: none; background: var(--light-bg); margin: 0 auto; border-radius: 8px; border: 1px solid var(--border-color); text-align: center; transition: all 0.3s ease; max-height: 0; overflow: hidden; width: 90%; max-width: 280px; height: 0; padding: 0; }
    .main-nav .dropdown { text-align: center; }
    .main-nav .dropdown > a { display: flex; align-items: center; justify-content: center; width: 100%; position: relative; }
    .main-nav .dropdown > a .dropdown-arrow { position: absolute; right: 1rem; margin-left: 0; }
    .main-nav .dropdown-menu a { font-size: 1rem; padding: 1rem; border-bottom: 1px solid var(--border-color); color: var(--text-secondary); display: block; transition: all 0.3s ease; }
    .main-nav .dropdown-menu a:last-child { border-bottom: none; border-radius: 0 0 8px 8px; }
    .main-nav .dropdown-menu a:first-child { border-radius: 8px 8px 0 0; }
    .main-nav .dropdown-menu a:hover { background-color: var(--dark-bg); color: var(--accent-blue); }
    .main-nav .dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); max-height: 300px; height: auto; margin: 0.5rem auto 1rem; padding: 0; }
    .about-content { flex-direction: column; }
    .about-image { margin-top: 2rem; }
    .footer-nav ul { flex-direction: column; gap: 1.5rem; }
    .footer-nav a { font-size: 1rem; padding: 0.5rem; display: block; }
    .footer-nav .dropdown-menu { position: static; opacity: 0; visibility: hidden; transform: translateY(-10px); box-shadow: none; border: none; background: var(--dark-bg); margin: 0 auto; border-radius: 8px; border: 1px solid var(--border-color); text-align: center; transition: all 0.3s ease; max-height: 0; overflow: hidden; width: 90%; max-width: 250px; height: 0; padding: 0; }
    .footer-nav .dropdown { text-align: center; }
    .footer-nav .dropdown-menu a { font-size: 0.9rem; padding: 0.8rem; color: var(--text-secondary); display: block; border-bottom: 1px solid var(--border-color); transition: all 0.3s ease; }
    .footer-nav .dropdown-menu a:last-child { border-bottom: none; border-radius: 0 0 8px 8px; }
    .footer-nav .dropdown-menu a:first-child { border-radius: 8px 8px 0 0; }
    .footer-nav .dropdown-menu a:hover { background-color: var(--light-bg); color: var(--accent-blue); }
    .footer-nav .dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); max-height: 300px; height: auto; margin: 0.5rem auto; padding: 0; }
    .footer-copyright { border-top: 1px solid var(--border-color); }
}

@media (min-width: 600px) and (max-width: 920px) {
    .services-grid .service-card:nth-child(3) { grid-column: 1 / -1; max-width: 380px; margin: 0 auto; }
}

@media (max-width: 380px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    .hero-content .subtitle { font-size: 1rem; }
    .container { padding: 0 1rem; }
    .main-header .container { padding: 0 3rem; }
    .logo-img { height: 40px; }
    .service-card { padding: 2rem 1.5rem; }
    .form-group input, .form-group textarea { padding: 0.8rem; font-size: 0.9rem; }
    .section { padding: 3rem 0; }
    .btn { padding: 0.7rem 1.5rem; font-size: 0.9rem; }
}

@media (max-width: 320px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.6rem; }
    .hero-content .subtitle { font-size: 0.9rem; }
    .container { padding: 0 0.75rem; }
    .main-header .container { padding: 0 3rem; }
    .logo-img { height: 36px; }
    .service-card { padding: 1.5rem 1rem; }
    .service-card h3 { font-size: 1.3rem; }
    .form-group input, .form-group textarea { padding: 0.7rem; font-size: 0.85rem; }
    .btn { padding: 0.6rem 1.2rem; font-size: 0.85rem; letter-spacing: 0.5px; }
    .main-nav ul li { margin: 1rem 0; }
    .main-nav a { font-size: 1.1rem; }
    .no-js-banner { font-size: 1rem; padding: 1rem; }
    .no-js-banner p { padding: 1.5rem; font-size: 0.9rem; max-width: 280px; }
}

/* Desktop Logo Scaling */
@media (min-width: 769px) { .logo-img { height: 64px; } }
@media (min-width: 1024px) { .logo-img { height: 72px; } }
@media (min-width: 1440px) { .logo-img { height: 80px; } }
@media (min-width: 1920px) { .logo-img { height: 88px; } }