/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
}

/* Navigation Bar (The full-width background bar) */
.navbar {
    background-color: #ed2939; /* Singapore Flag Red */
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    /* Remove display: flex from here so the bar itself stays structural */
}

/* --- UNIVERSAL CONTENT CONTAINER --- */
.container {
    max-width: 1200px; /* Adjust this to 1500px if you want it wider */
    width: 100%;
    margin: 0 auto; /* This perfectly centers the container horizontally */
    padding: 0 2rem; /* Prevents text from touching the screen edge on mobile */
}

/* Update your existing .nav-container to just use the new standard container plus flexbox */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.2rem;
    padding-bottom: 1.2rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #ffcccc; /* Light red/pink hover effect */
}

/* Video Loading Screen Container */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999; /* Keeps it on top of everything */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: #000; /* Fallback color */
    transition: opacity 1s ease-out; /* Smooth fade out */
}

/* The Background Video */
#bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw; /* Forces width to 100% of viewport */
    height: 100vh; /* Forces height to 100% of viewport */
    object-fit: cover; /* THE MAGIC LINE: Crops perfectly to fill screen */
    z-index: 1;
}
/* Double-Buffer Video Layout Fixes */
.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Crops the time-lapse to cleanly fill your 400px banner */
    transition: opacity 2s ease-in-out; /* Buttery smooth crossfade transition */
}

/* The Dimming Overlay */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* 60% dark overlay */
    z-index: 2;
}

/* The Centered Text */
.loading-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
}

.loading-content h1 {
    font-size: 3rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

#loading-percentage {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ed2939; /* Singapore Flag Red highlight */
}

/* The isolated container for your video banner background */
.hero-banner {
    height: 800px; /* Forces an explicit physical height for the block */
    width: 100%;
    position: relative; /* Anchor point for internal absolute items */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden; /* Clips video spillover cleanly */
}

/* Double-Buffer Video Layout Constraints */
#video-container {
    position: absolute; /* Locks inside the bounds of .hero-banner */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Perfectly crops the clip to match the 400px box */
    transition: opacity 2s ease-in-out;
}

/* Hero Banner Updates */
.banner-text {
    position: relative;
    z-index: 2;
    padding: 2rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    /* The background and padding can be removed or kept depending on if you want the dark box behind the text */
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
}

.banner-text h2 {
    font-size: 2.5rem;
}

.banner-text p {
    font-size: 2rem;
}

/* --- FOOTER STYLES --- */
.footer {
    background-color: #111111; /* Deep charcoal/black background */
    color: #ffffff;
    border-top: 4px solid #ed2939; /* Singapore Flag Red accent line */
    padding: 4rem 0 2rem 0; /* Space at top and bottom */
    font-size: 0.9rem;
}

/* Grid layout to handle the columns */
.footer-grid {
    display: grid;
    /* Col 1 is slightly wider (1.5 fraction) than Col 2 and 3 (1 fraction each) */
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-col p {
    margin-bottom: 0.5rem;
    color: #cccccc; /* Soft grey for readability against black */
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: #ffffff;
    text-decoration: underline; /* Standard accessible hover state */
}

/* Specific styling for the ACM logo */
.footer-logo {
    max-width: 180px;
    margin-top: 1.5rem;
    filter: brightness(
        0.9
    ); /* Subtly dims a bright white logo to fit the dark theme */
}

/* The bottom copyright area */
.footer-bottom {
    text-align: center;
    border-top: 1px solid #333333; /* Subtle dividing line */
    padding-top: 2rem;
    color: #888888;
    font-size: 0.8rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: #888888;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #ffffff;
}

/* --- THE SECRET SAUCE FOR EXTRA BLOCKS --- */
/* Ensure Introduction spans the full width, but text inside is constrained */
/* --- INTRODUCTION SECTION --- */
.introduction {
    position: relative;
    width: 100%;
    padding: 5rem 0;
    background-color: #ffffff;
    color: #333333;
}

/* Flexbox layout to sit text and image side-by-side */
.intro-layout {
    display: flex;
    align-items: center; /* Vertically centers the image alongside the text */
    justify-content: space-between;
    gap: 4rem; /* Adds breathing room between the text and the image */
}

/* Left Column Styling */
.intro-text {
    flex: 1; /* Tells the text to take up all remaining available space */
}

.intro-text h2 {
    font-size: 2.2rem;
    color: #4a0b12; /* Matches the dark burgundy/red from the screenshot */
    margin-bottom: 1.5rem;
}

.intro-text p {
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.intro-text p:last-child {
    margin-bottom: 0; /* Removes extra space after the final paragraph */
}

/* Right Column Styling */
.intro-image {
    flex: 0 0 250px; /* Locks the image column to a fixed width of 250px */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.intro-image img {
    width: 100%;
    max-width: 220px; /* Prevents the image from getting too massive */
    height: auto;
    margin-bottom: 1rem;
}

.intro-image p {
    font-weight: 700;
    color: #555555;
    font-size: 0.95rem;
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 800px) {
    .intro-layout {
        flex-direction: column; /* Stacks the image below the text on small screens */
        gap: 3rem;
    }

    .intro-image {
        flex: auto; /* Removes the fixed width constraint on mobile */
    }
}
/* --- LATEST NEWS SECTION --- */
.news-section {
    padding: 5rem 0;
    background-color: #f4f4f9; /* Soft grey alternating background */
    width: 100%;
}

.section-title {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 0.5rem;
}

/* Subtle red accent line under the section header */
.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 290px;
    height: 4px;
    background-color: #ed2939; /* Singapore Flag Red */
    border-radius: 2px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Space between news blocks */
}

.news-item {
    display: flex;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.news-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Date Badge Layout */
.news-date {
    background-color: #ed2939; /* Red theme color */
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 100px;
    padding: 1rem;
    text-align: center;
}

.news-date .day {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.news-date .month {
    font-size: 1rem;
    text-transform: uppercase;
    font-weight: 600;
    margin: 0.2rem 0;
}

.news-date .year {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Content Area Layout */
.news-content {
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.news-content h3 a {
    color: #222222;
    text-decoration: none;
    transition: color 0.2s ease;
}

.news-content h3 a:hover {
    color: #ed2939; /* Highlight title on hover */
}

.news-content p {
    color: #666666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 600px) {
    .news-item {
        flex-direction: column; /* Stack date above content on small screens */
    }

    .news-date {
        flex-direction: row;
        min-width: 100%;
        gap: 0.5rem;
        padding: 0.6rem;
    }

    .news-date .day {
        font-size: 1.3rem;
    }

    .news-content {
        padding: 1.2rem;
    }
}

/* Optional helper utility class to alternate background colors */
.secondary-theme {
    background-color: #f4f4f9;
}

/* --- MERLION HEADING DECORATION --- */
h2::before {
    content: ""; /* Required for pseudo-elements to render */
    display: inline-block;
    width: 40px; /* Adjust width of the Merlion */
    height: 40px; /* Adjust height of the Merlion */

    /* Point this to your actual image file */
    background-image: url("media/merlion-logo.svg");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;

    /* Spacing and Alignment */
    margin-right: 15px; /* Pushes the text away from the image */
    vertical-align: middle; /* Keeps the icon vertically centered with the text */

    /* Optional: Slight nudge to perfectly align with the text baseline */
    position: relative;
    top: -3px;
}

/* If you want to exclude the Merlion from certain areas (like the banner) */
.banner-text h2::before {
    display: none;
}

/* --- L-BRACKET HEADING STYLE --- */
.bracket-heading {
    font-size: 2.2rem;
    font-weight: 800; /* Makes the text thick and bold */
    color: #4a0b12; /* Dark burgundy text color */

    /* The Red Accent Lines */
    border-left: 5px solid #ed2939; /* Thick left vertical line */
    border-bottom: 2px solid #ed2939; /* Thinner bottom horizontal line */

    /* Internal Spacing (Pushes text away from the lines) */
    padding-left: 1.2rem;
    padding-bottom: 0.8rem;

    /* External Spacing (Pushes following content down) */
    margin-bottom: 2rem;
    margin-top: 2rem;

    /* Ensures the bottom line stretches across the entire container */
    width: 100%;
}

/* --- HAMBURGER ICON BASE --- */
.hamburger {
    display: none; /* Hidden on desktop */
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001; /* Keeps the icon above the sliding drawer */
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- MOBILE NAVIGATION STYLES --- */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-col h4 {
        margin-bottom: 1rem;
    }
    /* Loading Screen */
    .loading-content h1 {
        font-size: 2rem; /* Shrunk from 3rem */
    }
    #loading-percentage {
        font-size: 1.2rem; /* Shrunk from 1.5rem */
    }

    /* Hero Banner */
    .banner-text h2 {
        font-size: 1.8rem; /* Shrunk from 2.5rem */
    }
    .banner-text p {
        font-size: 1.2rem; /* Shrunk from 2rem */
    }

    .hamburger {
        display: flex;

        /* 1. Force the hamburger to be the first item visually */
        order: -1;

        /* 2. Remove the rule that was pushing it to the right */
        margin-left: 0; /* Or just delete the margin-left: auto; line you added previously */

        /* 3. Add a little breathing room between the burger and your brand name */
        margin-right: 1.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        /* 1. Hide it off-screen to the LEFT */
        left: -100%;
        right: auto; /* Clears out the old right rule just in case */
        width: 250px;
        height: 100vh;
        background-color: #111111;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 80px;

        /* 2. Tell the browser to animate the 'left' position */
        transition: left 0.4s ease;

        /* 3. Flip the shadow so it casts to the right side of the menu */
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    }

    /* 4. Slide it to the 0px mark on the left edge when active */
    .nav-links.active {
        left: 0;
    }

    /* Space out the stacked links */
    .nav-links li {
        text-align: center;
        margin: 1.5rem 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    /* Bonus: Animate the hamburger into an 'X' when open */
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .intro-layout {
        flex-direction: column; /* Stacks the image below the text on small screens */
        align-items: stretch; /* OVERRIDE: Forces the text block to take full width */
        gap: 3rem;
    }

    .intro-image {
        flex: auto; /* Removes the fixed width constraint on mobile */
        align-self: center; /* OPTIONAL: Keeps the image centered horizontally if you use one */
    }
}