/* Core & Reset Styles */
:root {
    --primary: #007acc;
    --primary-hover: #005999;
    --dark: #121824;
    --dark-card: #1c2434;
    --light: #f4f6f9;
    --text-dark: #333333;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.bg-dark {
    background-color: var(--dark);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }

/* Header & Navigation */
header {
    background-color: var(--dark);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    color: var(--text-light);
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-light {
    color: var(--primary);
    font-weight: 400;
    margin-left: 5px;
}

.logo-icon {
    margin-right: 8px;
    color: #ffcc00;
}

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

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-light);
}

.nav-links .btn-employee {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-links .btn-employee:hover {
    background-color: var(--primary);
    color: var(--text-light);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 30px auto;
}

.hero-buttons a {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    margin: 5px;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--text-muted);
}

.btn-secondary:hover { background-color: rgba(255,255,255,0.1); }

/* Layout Grid Layouts */
.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: 700;
}

.services-section, .stack-section, .contact-section {
    padding: 80px 0;
}

.stack-section {
    background-color: #ebedf2;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
}

/* UI Cards */
.card {
    background: var(--text-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.card h3 { margin-bottom: 15px; color: var(--dark); }

.stack-box {
    background: var(--dark);
    color: var(--text-light);
    padding: 30px;
    border-radius: 8px;
}

.stack-box h3 {
    color: var(--primary);
    margin-bottom: 20px;
    border-bottom: 1px solid #334155;
    padding-bottom: 10px;
}

.stack-box ul {
    list-style: none;
}

.stack-box li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.stack-box li::before {
    content: "•";
    color: var(--primary);
    font-size: 20px;
    position: absolute;
    left: 0;
    top: -2px;
}

/* Contact Area */
.contact-section {
    background-color: var(--dark);
    color: var(--text-light);
}

.contact-section p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.contact-email {
    font-size: 28px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.contact-email:hover {
    text-decoration: underline;
}

/* Employee Login Portal Details */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background-color: var(--dark-card);
    padding: 40px;
    border-radius: 8px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    color: var(--text-light);
}

.login-subtitle {
    color: var(--text-muted);
    margin: 10px 0 30px 0;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    padding: 12px;
    background-color: var(--dark);
    border: 1px solid #334155;
    border-radius: 4px;
    color: var(--text-light);
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-block {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
}

.login-footer {
    margin-top: 30px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    display: block;
    margin-top: 15px;
}

/* Footer Section */
footer {
    background-color: #0b0f19;
    color: #475569;
    padding: 20px 0;
    font-size: 14px;
}

/* Responsive UI Adjustments */
@media (max-width: 768px) {
    .navbar { flex-direction: column; text-align: center; }
    .nav-links { margin-top: 20px; flex-wrap: wrap; justify-content: center; }
    .nav-links li { margin: 5px 10px; }
    .hero h1 { font-size: 32px; }
}