/* c:\xampp\htdocs\FETN\css\foundation_common.css */

/* Basic Reset & Defaults */
:root {
    --fetn-dark-blue: #002244;
    --fetn-primary-blue: #003366;
    --fetn-accent-gold: #f0ad4e;
    --fetn-text-dark: #333;
    --fetn-text-medium: #555;
    --fetn-text-light: #ccc;
    --fetn-bg-light: #f8f9fa;
    --fetn-bg-white: #fff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Sarabun', sans-serif; line-height: 1.6; color: var(--fetn-text-dark); background-color: var(--fetn-bg-white); font-size: 16px; }
.container { width: 90%; max-width: 1200px; margin: auto; padding: 0 20px; }
a { text-decoration: none; } /* Added for general links */

/* Top Bar Styles */
.top-bar { background-color: var(--fetn-dark-blue); color: #e0e0e0; padding: 0.5rem 0; font-size: 0.85rem; z-index: 1000; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-bar a { color: var(--fetn-accent-gold); text-decoration: none; margin-left: 10px; transition: color 0.3s ease; }
.top-bar a:hover { color: var(--fetn-bg-white); }
.top-bar i { margin-right: 4px; }
.top-bar .audience-nav a:first-child { margin-left: 0; } /* Specific to topbar */
.top-bar .quick-links a { font-size: 1.0rem; } /* Specific to topbar */

/* Main Header (Navbar) Styles */
.main-header { background: var(--fetn-bg-white); padding: 0.5rem 0; position: sticky; top: 0; z-index: 999; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.main-header .logo { text-decoration: none; color: var(--fetn-primary-blue); display: flex; align-items: center; gap: 0; }
.main-header .logo .logo-img { height: 110px; } /* Default height, can be overridden by _navbar_foundation.php if needed */

.main-nav ul { list-style: none; display: flex; align-items: center; margin: 0; padding: 0; }
.main-nav ul li { margin-left: 25px; position: relative; }
.main-nav ul li a { color: var(--fetn-text-dark); text-decoration: none; font-weight: 500; padding: 5px 0; position: relative; transition: color 0.3s ease; }
.main-nav ul li a::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -3px; left: 0; background-color: var(--fetn-accent-gold); transition: width 0.3s ease; }
.main-nav ul li a:hover, .main-nav ul li a.active { color: var(--fetn-primary-blue); }
.main-nav ul li a:hover::after, .main-nav ul li a.active::after { width: 100%; }

/* Dropdown Menu Styles */
.main-nav ul li.dropdown { position: relative; }
.main-nav ul li.dropdown > a i { font-size: 0.7em; margin-left: 5px; transition: transform 0.3s ease; }
.main-nav ul li.dropdown:hover > a i { transform: rotate(180deg); }
.main-nav .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--fetn-bg-white);
    list-style: none;
    padding: 10px 0;
    margin: 0;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 0 0 5px 5px;
    z-index: 1000;
}
.main-nav .dropdown:hover .dropdown-menu { display: block; }
.main-nav .dropdown-menu li { margin: 0; }
.main-nav .dropdown-menu li a { display: block; padding: 10px 20px; color: var(--fetn-text-dark); font-weight: 400; white-space: nowrap; }
.main-nav .dropdown-menu li a:hover { background-color: var(--fetn-bg-light); color: var(--fetn-primary-blue); }

/* Dropdown Submenu Styles (Desktop) */
.main-nav .dropdown-submenu {
    position: relative;
}
.main-nav .dropdown-submenu > .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -1px;
    border-radius: 0 5px 5px 5px;
    visibility: hidden;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}
.main-nav .dropdown-submenu:hover > .dropdown-menu {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}
.main-nav .dropdown-submenu > a {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
}
.main-nav .dropdown-submenu > a i {
    font-size: 0.7em;
    transition: transform 0.3s ease;
    margin-left: 15px;
}

/* Special Nav Button */
.foundation-nav-button {
    color: var(--fetn-accent-gold);
    font-weight: bold;
    border: 2px solid var(--fetn-accent-gold);
    padding: 5px 10px !important;
    border-radius: 5px;
    transition: all 0.3s ease;
    background-color: transparent;
}
.foundation-nav-button:hover,
.foundation-nav-button.active {
    background-color: var(--fetn-accent-gold);
    color: var(--fetn-primary-blue) !important;
}

/* Main Footer Styles */
.main-footer { background: var(--fetn-dark-blue); color: var(--fetn-text-light); text-align: center; padding: 30px 0; font-size: 0.9rem; }
.main-footer p { margin-bottom: 8px; }
.main-footer a { color: var(--fetn-accent-gold); text-decoration: none; }
.main-footer .social-icons-simple a { margin: 0 10px; font-size: 1.5rem; color: var(--fetn-accent-gold); transition: color 0.3s ease; }
.main-footer .social-icons-simple a:hover { color: var(--fetn-bg-white); }
.main-footer .social-icons-simple .linkedin-icon { margin-right: 15px; } /* Specific margin for LinkedIn icon */

/* General Page Structure */
.content-section { padding: 70px 0; }
.content-section.bg-light-gray { background-color: var(--fetn-bg-light); }
.page-header { background: var(--fetn-primary-blue); color: var(--fetn-bg-white); padding: 40px 0; text-align: center; }
.page-header h1 { font-size: 2.8rem; font-weight: 600; }
.section-heading { text-align: center; margin-bottom: 50px; }
.section-heading h2 { font-size: 2.5rem; color: var(--fetn-primary-blue); margin-bottom: 10px; font-weight: 600; }
.section-heading p.subtitle { font-size: 1.1rem; color: var(--fetn-text-medium); max-width: 700px; margin: 0 auto; }

/* Mobile Menu Toggle */
.menu-toggle { display: none; font-size: 1.8rem; color: var(--fetn-primary-blue); cursor: pointer; background: none; border: none; }

/* Responsive Styles */
@media (max-width: 1340px) {
    .main-header .logo .logo-img { height: 70px; } /* Adjusted for smaller screens */
    .main-header .container { position: relative; }
    .menu-toggle { display: block; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.8rem; color: var(--fetn-primary-blue); cursor: pointer; background: none; border: none; }
    .main-nav ul { display: none; flex-direction: column; width: 100%; background-color: var(--fetn-bg-white); position: absolute; top: 100%; left: 0; box-shadow: 0 2px 5px rgba(0,0,0,0.1); z-index: 998; border-top: 1px solid #f0f0f0; }
    .main-nav ul.active { display: flex; }
    .main-nav ul li { margin: 0; text-align: center; width: 100%; }
    .main-nav ul li a { display: block; padding: 15px; border-bottom: 1px solid #f0f0f0; }
    .main-nav ul li a::after { display: none; }
    .main-nav ul li a:hover, .main-nav ul li a.active { background-color: var(--fetn-accent-gold); color: var(--fetn-primary-blue); }
    .main-nav ul li.dropdown > a i { display: inline-block; }
    .main-nav .dropdown-menu { position: static; display: none; box-shadow: none; min-width: 100%; padding: 0; border-radius: 0; background-color: var(--fetn-bg-light); }
    .main-nav ul li.dropdown.open > .dropdown-menu { display: block; }
    .main-nav .dropdown-menu li a { padding: 12px 15px 12px 40px; text-align: left; }
    /* Mobile & Tablet Responsive Styles for Submenu */
    .main-nav .dropdown-submenu > .dropdown-menu { visibility: unset; opacity: unset; transform: none; }
    .main-nav .dropdown-submenu .dropdown-menu li a { padding-left: 55px !important; }
    .main-nav li.dropdown.open > a > i,
    .main-nav li.dropdown-submenu.open > a > i {
        transform: rotate(180deg);
    }
}
@media (max-width: 768px) {
    .page-header h1 { font-size: 2.2rem; }
    .section-heading h2 { font-size: 2rem; }
    .top-bar .container { flex-direction: column; gap: 8px; text-align: center; } /* Added for topbar responsiveness */
}