/* --- Variables & Base Styles --- */
:root {
    --primary-black: #000;
    --primary-white: #fff;
    --nsbe-orange: #f57c00;
    --nsbe-blue: #007bff; /* For buttons or highlights */
    --light-gray: #f4f4f4;
    --medium-gray: #eee;
    --dark-gray: #333;
    --text-color: #555;
    --transition-speed: 0.3s;
    --animation-duration: 0.8s;
    --animation-delay-base: 0.1s;
    --footer-bg: #222; /* Darker footer background */
    --footer-text: #bbb; /* Lighter text for footer */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden; /* Prevents horizontal scroll during animations */
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- Container & Utility Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.header {
    background-color: var(--primary-black);
    height: 90px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: fixed; /* Changed to fixed for full stickiness */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: background-color var(--transition-speed) ease, height var(--transition-speed) ease;
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.9); /* Slightly transparent when scrolled */
    height: 70px; /* Slightly smaller */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

.nsbe-mankato-title {
    display: flex;
    align-items: center;
}

.header-logo {
    height: 60px;
    width: auto;
    transition: height var(--transition-speed) ease;
}

.header.scrolled .header-logo {
    height: 45px; /* Smaller logo when scrolled */
}

/* Desktop Navigation Menu */
.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
}

.nav-link {
    color: var(--primary-white);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed) ease;
    padding: 0.5rem 0;
    text-transform: uppercase; /* Standard for nav links */
    white-space: nowrap;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-link::after { /* Underline effect */
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0; /* Hidden by default */
    height: 2px;
    background-color: var(--nsbe-orange);
    transition: width var(--transition-speed) ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%; /* Shows underline on hover and active */
}

.nav-link:hover,
.nav-link.active {
    color: var(--nsbe-orange);
}

/* Mobile Menu Toggle Button */
.menu-icon {
    background: none;
    border: none;
    color: var(--primary-white);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0.5rem;
    display: none; /* Hidden on desktop */
    margin-left: auto;
    transition: color var(--transition-speed) ease;
}

.menu-icon:hover {
    color: var(--nsbe-orange);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    display: none; /* Controlled by JS */
    position: fixed;
    top: 90px; /* Starts below the header */
    left: 0;
    width: 100%;
    height: calc(100% - 90px);
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 999;
    overflow-y: auto;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%); /* Start off-screen */
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55); /* Bounce effect */
}

.mobile-nav-overlay.active {
    display: flex;
    transform: translateX(0);
}

.mobile-nav-overlay .nav-menu-list {
    list-style: none;
    padding: 20px 0;
    text-align: center;
    width: 100%;
}

.mobile-nav-overlay .nav-menu-list li {
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.mobile-nav-overlay .nav-menu-list li:last-child {
    border-bottom: none;
}

.mobile-nav-overlay .nav-menu-list a {
    color: var(--primary-white);
    text-decoration: none;
    font-size: 1.5rem;
    padding: 10px 20px;
    display: block;
    transition: color var(--transition-speed) ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-nav-overlay .nav-menu-list a:hover,
.mobile-nav-overlay .nav-menu-list a.active {
    color: var(--nsbe-orange);
}

/* --- Main Content Sections --- */
.page-content {
    padding-top: 90px; /* Offset for fixed header */
    padding-bottom: 60px;
}

section {
    padding: 80px 0; /* More generous padding for sections */
    margin-bottom: 30px;
    background-color: var(--primary-white);
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08); /* More pronounced shadow */
    overflow: hidden; /* Crucial for content fade-ins */
}

section:last-of-type {
    margin-bottom: 0;
}

section h2 {
    font-family: 'Roboto Condensed', sans-serif; /* Use Roboto Condensed for headings */
    font-size: 3em; /* Larger headings */
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

section h2::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 80px; /* Longer underline */
    height: 4px; /* Thicker underline */
    background-color: var(--nsbe-orange);
    border-radius: 2px;
}

section p {
    font-size: 1.15em; /* Slightly larger text */
    text-align: justify;
    margin-bottom: 25px;
    color: var(--text-color);
}

/* Hero Section Specifics */
.intro-section {
    padding-top: 100px; /* More padding at top for hero */
    padding-bottom: 100px;
    position: relative;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.4)), url('../images/slideshow/1732643727390.jpeg') no-repeat center center/cover;
    color: var(--primary-white);
    text-align: center;
    box-shadow: none; /* Remove box-shadow for hero */
    border-radius: 0; /* Full width for hero */
    margin-bottom: 60px;
}

.intro-section .container {
    position: relative;
    z-index: 10;
}

.intro-section h2 {
    color: var(--primary-white);
    font-size: 4em; /* Very large hero heading */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    margin-bottom: 20px;
}

.intro-section h2::after {
    background-color: var(--primary-white); /* White underline for hero */
}

.intro-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3em; /* Larger hero text */
    max-width: 800px;
    margin: 0 auto 30px auto;
    text-align: center;
}

/* The about-image div is removed from HTML, so this is no longer needed:
.about-image {
    display: none;
}
*/

/* Mission & Vision Cards */
.mission-vision-section .container {
    display: flex;
    gap: 40px; /* More space between cards */
    flex-wrap: wrap;
    justify-content: center;
}

.mission-vision-section .card {
    background-color: var(--medium-gray);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 320px; /* Slightly larger min-width */
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-vision-section .card:hover {
    transform: translateY(-8px); /* Lift on hover */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.mission-vision-section .card h3 {
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 2em; /* Larger card headings */
    color: var(--nsbe-orange);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.mission-vision-section .card p {
    font-size: 1.05em;
    color: var(--dark-gray);
    line-height: 1.8;
}

/* Read More Section */
.read-more-container {
    text-align: center;
    margin-top: 40px;
}

.hidden-text {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.7s ease-out, max-height 0.7s ease-out; /* Slower, smoother transition */
}

.hidden-text.show {
    opacity: 1;
    max-height: 500px; /* Ensure enough height for text */
    margin-top: 20px; /* Add space when revealed */
}

.read-more-btn {
    background-color: var(--nsbe-blue);
    color: var(--primary-white);
    border: none;
    padding: 15px 35px; /* Larger button */
    border-radius: 50px; /* Pill shape */
    cursor: pointer;
    font-size: 1.2em; /* Larger text */
    font-weight: 700;
    transition: background-color var(--transition-speed) ease, transform 0.2s ease;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.read-more-btn:hover {
    background-color: #0056b3; /* Darker blue */
    transform: translateY(-2px); /* Slight lift */
}

/* --- Footer (Updated to match your new HTML structure) --- */
.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 60px 0 20px; /* Top padding, no bottom, 20px for bottom section */
    font-size: 0.95em;
    margin-top: 60px; /* Space between last section and footer */
}

.footer-content {
    display: flex;
    flex-wrap: wrap; /* Allows wrapping on smaller screens */
    justify-content: space-around;
    gap: 30px; /* Space between footer columns */
    padding-bottom: 40px; /* Space before bottom copyright */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
    max-width: 150px; /* Adjust logo size */
    height: auto;
    margin-bottom: 20px;
}

.footer-content > div { /* Target direct children divs of footer-content */
    flex: 1;
    min-width: 200px; /* Minimum width for each column before wrapping */
    padding: 0 15px;
}

.footer-content h3 {
    font-family: 'Roboto Condensed', sans-serif;
    color: var(--primary-white);
    font-size: 1.4em;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-content h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--nsbe-orange);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-contact p {
    color: var(--footer-text);
    transition: color var(--transition-speed) ease;
}

.footer-links a:hover {
    color: var(--nsbe-orange);
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--nsbe-orange);
    font-size: 1.1em;
}

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

.footer-social .social-icon {
    display: inline-block;
    color: var(--primary-white);
    font-size: 1.5em;
    margin: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    line-height: 40px; /* Center icon vertically */
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.footer-social .social-icon:hover {
    background-color: var(--nsbe-orange);
    color: var(--primary-white);
    border-color: var(--nsbe-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    color: var(--footer-text);
    font-size: 0.85em;
}


/* --- Animations (Initial States) --- */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--animation-duration) ease-out, transform var(--animation-duration) ease-out;
}

.animate-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity var(--animation-duration) ease-out, transform var(--animation-duration) ease-out;
}

.animate-slide-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.animate-slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity var(--animation-duration) ease-out, transform var(--animation-duration) ease-out;
}

.animate-slide-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Responsive Design --- */
@media (max-width: 992px) { /* Medium screens */
    section {
        padding: 60px 0;
    }

    section h2 {
        font-size: 2.5em;
    }

    .intro-section h2 {
        font-size: 3.2em;
    }

    .intro-section p {
        font-size: 1.1em;
    }

    .mission-vision-section .container {
        gap: 25px;
    }

    .mission-vision-section .card {
        min-width: 280px;
        padding: 30px;
    }

    .footer-content > div {
        min-width: 180px;
    }
}

@media (max-width: 768px) { /* Tablet and smaller phones */
    .header {
        height: 70px;
    }

    .header.scrolled {
        height: 60px;
    }

    .header-logo {
        height: 50px;
    }

    .header.scrolled .header-logo {
        height: 40px;
    }

    .nav-menu { /* Hide desktop nav menu */
        display: none;
    }

    .menu-icon { /* Show mobile menu icon */
        display: block;
    }

    .mobile-nav-overlay {
        top: 70px; /* Adjust position for smaller header */
        height: calc(100% - 70px);
    }

    .mobile-nav-overlay .nav-menu-list li {
        margin-bottom: 10px;
        padding-bottom: 10px;
    }

    .mobile-nav-overlay .nav-menu-list a {
        font-size: 1.3rem;
    }

    .page-content {
        padding-top: 70px; /* Adjust offset for smaller fixed header */
    }

    section {
        padding: 40px 0;
        margin-bottom: 20px;
    }

    section h2 {
        font-size: 2em;
        margin-bottom: 25px;
    }

    section h2::after {
        width: 50px;
        height: 3px;
    }

    .intro-section {
        padding: 80px 0;
    }

    .intro-section h2 {
        font-size: 2.5em;
    }

    .intro-section p {
        font-size: 1em;
    }

    .mission-vision-section .container {
        flex-direction: column;
        gap: 20px;
    }

    .mission-vision-section .card {
        min-width: unset;
        width: 100%;
    }

    .read-more-btn {
        padding: 12px 25px;
        font-size: 1.1em;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }

    .footer-content > div {
        width: 100%; /* Take full width on mobile */
        padding: 0;
    }

    .footer-content h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links ul,
    .footer-contact {
        padding: 0;
        margin: 0 auto; /* Center list/contact block */
        max-width: 250px;
    }

    .footer-social .social-icon {
        margin: 0 8px;
    }
}

@media (max-width: 480px) { /* Smaller phones */
    .header-logo {
        height: 40px;
    }

    .intro-section h2 {
        font-size: 2em;
    }

    .intro-section p {
        font-size: 0.95em;
    }

    section h2 {
        font-size: 1.8em;
    }

    section p {
        font-size: 1em;
    }

    .mission-vision-section .card h3 {
        font-size: 1.6em;
    }

    .mission-vision-section .card p {
        font-size: 0.95em;
    }

    .footer {
        padding: 30px 0 15px;
    }
}