/* General Reset */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background: linear-gradient(135deg, #1c1c1c, #2d2d2d); /* Black gradient background */
    color: #ecf0f1; /* Light text color for contrast */
}


/* Header Styles */
header {
    background-color: rgba(38, 38, 39, 0.441); /* Dark black with slight transparency */
    color: #ecf0f1; /* Light text */
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    border-bottom: 5px solid #f39c12; /* Accent with golden yellow */
    position: relative;
    z-index: 100;
}

header h1 {
    margin: 0;
    font-size: 3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

header p {
    margin-top: 0.8rem;
    font-size: 1.3rem;
    font-style: italic;
}

/* Navigation Bar Styles */
nav {
    position: sticky;
    top: 0;
    background-color: #1c1c1c; /* Deep black background for nav */
    padding: 1.2rem 0;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    font-size: 1.2rem;
    border-radius: 5vh;
}

nav a {
    margin: 0 1rem;
    text-decoration: none;
    color: #f39c12; /* Bright gold color for links */
    font-weight: bold;
    text-transform: uppercase;
    transition: color 0.3s ease, transform 0.3s ease;
}

nav a:hover {
    color: #653d1a; /* Lighter gold on hover */
    transform: scale(1.1);
}

/* Section Styles */
section {
    padding: 3rem;
    background-color: rgba(26, 26, 26, 0.9); /* Darker section background */
    border-radius: 15px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    margin: 3rem auto;
    max-width: 85%;
    transition: all 0.3s ease;
}

section:hover {
    transform: translateY(-10px);
}

section h2 {
    color: #ecf0f1;
    margin-top: 0;
    font-size: 2.5rem;
    text-align: center;
    border-bottom: 3px solid #f39c12; /* Golden yellow accent under header */
    padding-bottom: 0.5rem;
}

/* Guide Card Styles */
.guide-card {
    border: 1px solid #7f8c8d; /* Subtle dark border */
    margin: 1.5rem 0;
    padding: 2rem;
    border-radius: 12px;
    background-color: #2c3e50; /* Dark grey-blue background for cards */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
    cursor: pointer;
}

.guide-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.guide-card h3 {
    margin: 0;
    color: #f39c12; /* Golden yellow for heading */
    font-size: 1.8rem;
    font-weight: 600;
}

.guide-card p {
    margin: 1rem 0;
    color: #bdc3c7; /* Light grey text */
    font-size: 1rem;
}

.guide-card a {
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.guide-card a:hover {
    background-color: #17151417; /* Lighter gold on hover */
    transform: scale(1.1);
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 2rem;
    background-color: rgba(26, 26, 26, 0.9); /* Dark footer background */
    color: #ecf0f1;
    font-size: 1.1rem;
    border-top: 5px solid #f39c12; /* Golden yellow accent line */
    margin-top: 3rem;
}

footer a {
    color: #f39c12; /* Gold color for footer links */
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #e67e22; /* Lighter gold on hover */
    text-decoration: underline;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    nav {
        text-align: left;
    }

    nav a {
        display: block;
        margin: 0.8rem 0;
    }

    header h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 1.5rem;
    }

    section h2 {
        font-size: 2rem;
    }
}
@media(max-width:544px){
    html{
        font-size: 90.9%;
    }
}
@media(max-width:944px){
    html{
        font-size: 90.9%;
    }
}

/* Guide Image Styles */
.guide-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 2rem auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* for table*/
table{
    border-spacing: 0;
    width:90%;
}
table,tr,th,td{
    border-color: #e7eaeb;
}

td,th{
padding: 8px;
border-width: 0 1px 1px 0;
}
table,td,th{
    border: 0.1px solid rgb(174, 170, 170);
}

/* english class*/
#english{
    margin: 0 1rem;
    text-decoration: none;
    color: #bfac8d; /* Bright gold color for links */
    font-weight: bold;
    transition: color 0.3s ease, transform 0.3s ease;

}