/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Lora:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@100;300;400;700&family=Lora:wght@400;700&display=swap');


/* ---------------- Navbar ---------------- */
.navbar {
    height: 100px;       /* sets the height of the navbar */
}

/* Set the logo size and override any default rules from the theme or browser.
   This ensures the logo is the exact height you want and scales properly. */
.navbar-brand img {
    max-height: clamp(28px, 5vw, 50px);
    height: auto;
    width: auto;
}

/* ---------------- Sidebar ---------------- */

/* Container for the sidebar menu items.
   Adds padding inside and ensures text aligns to the left. */
.sidebar-menu-container {
    padding-left: 10px;      /* space inside on the left */
    padding-right: 20px;     /* space inside on the right */
    text-align: left;        /* align all text to left */
}

/* Special styling for the first item in the sidebar as a title. */
.sidebar-item:first-child {
    font-family: "Lato", sans-serif;     /* sets font */
    font-weight: 600;                    /* bold text */
    font-size: 15px;                     /* slightly bigger than normal items */
    color: #8e8e8e;                    /* gray color */
    padding-right: 20px;                 /* right padding */
}
/* Font and text styling for the sidebar items. */
.sidebar-item a {
    color: #000000;
    font-family: "Lato", sans-serif;     /* sets font */
    font-weight: 400;                    /* normal weight for items */
    font-size: 14px;                     /* font size of text */
    line-height: 1.5;                    /* vertical spacing between lines */
}

/* Link colors and hover effects */
.sidebar .sidebar-item .active {
    color: #2288cd;              /* active link color */
}
.sidebar .sidebar-item a:hover {
    color: #de901b;              /* change color on hover for interactivity */
}


/* ---------------- Main Content ---------------- */

/* General body text spacing to avoid overlapping with fixed navbar */
main {
    padding-top: 60px !important; /* Adds padding at the top equal to the navbar height.
                                      !important ensures it overrides theme defaults so content starts below navbar. */
}

/* Base font styling for the entire document */
body {
    font-family: 'Lato', sans-serif;   /* sets the primary font for all text */
    font-size: 14px;                   /* sets the default font size */
    line-height: 1.6;                  /* sets spacing between lines for better readability */
    color: #000;                     /* sets default text color to black */
}

/* Ensure all headings use the same font as the body */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Lato', sans-serif;   /* Overrides theme defaults for headings */
}

/* Fine-tune individual heading levels for size, weight, and color */

/* H1 styling: main titles */
h1 {
    font-size: 35px;            /* sets h1 font size*/
    font-weight: 800;           /* makes h1 headings bold */
    color: #8e8e8e;           /* sets h1 color */
}

/* H2 styling: section titles */
h2 {
    font-size: 25px;            /* sets h2 font size*/
    font-weight: 300;           /* sets h2 font weight */
    color: #000000;           /* sets h2 color */
    border-bottom: none;        /* removes any default underline or bottom border */
}

/* H3 styling: sub-section headings */
h3 {
    font-size: 18px;            /* sets h3 font size*/
    font-weight: 300;           /* sets h3 font weight */
    color: #000000;           /* sets h3 color */
}

/* H4 styling: smaller headings */
h4 {
    font-size: 20px;            /* sets h4 font size*/
    color: #000000;           /* sets h4 color */
}

/* Links customization */
a {
    color: #007acc;           /* sets link color */
    text-decoration: none;      /* removes default underline */
}

/* Ensure main content does not overlap sidebar */
#quarto-content .content {
    padding-left: 50px;         /* Adds spacing to the left so content starts after sidebar */
}


/* ---------------- Footer ---------------- */

/* Make the footer text larger */
.footer {
    font-size: 16px;                 /* sets footer font size */
    font-family: "Lato", sans-serif; /* sets footer font */
    padding-top: 10px;               /* optional spacing */
    padding-bottom: 10px;            /* optional spacing */
}

/* Make the footer GitHub icon bigger */
.footer .bi {
    font-size: 27px;                 /* controls footer icon size */
    vertical-align: middle;          /* aligns footer icon with text */
}


/* ---------------- Course leader cards ---------------- */

/* Container for all leader cards in a row */
.leader-cards-container {
    display: flex;
    flex-wrap: wrap;       /* allows wrapping on smaller screens */
    gap: 20px;             /* space between cards */
    justify-content: left; /* spread cards evenly */
}

/* Each card */
.leader-card {
    display: flex;
    flex-direction: column;     /* stack photo on top */
    align-items: center;        /* center items horizontally */
    width: 200px;               /* narrower width */
    min-height: 300px;          /* taller height */
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    padding: 15px;
    margin-bottom: 20px;
    text-align: center;         /* center text inside card */
}

/* Image inside card */
.leader-photo {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 10%;
    margin-bottom: 10px;
}

/* Name */
.leader-name {
    margin: 0 0 5px 0;
    font-size: 16px;
    font-weight: 600;
}

/* Icons row */
.leader-icons {
    display: flex;
    gap: 5px;
    justify-content: center;
    margin-bottom: 5px;
}

/* Job / role */
.leader-role {
    margin: 0;
    font-size: 14px;
    font-weight: 400;
    color: #555;
}

/* Icons inside the row */
.leader-icons img {
    vertical-align: middle;
}






.lesson-overview {
    border: 1px solid #000;
    background: #ffffff;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 30px;
}

.lesson-overview p {
    margin: 0 0 16px 0;
}

.lesson-overview p:last-child {
    margin-bottom: 0 !important; /* Remove gap at bottom */
}

.lesson-overview .fa-solid,
.lesson-overview .fa-regular {
    margin-right: 8px;
    color: #333;
}
/* Grey header */
.lesson-header {
    background: #e5e5e5;
    padding: 12px 15px;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    border-radius: 5px 5px 0 0; /* round only top corners */
}

/* Date text under title */
.lesson-header .lesson-date {
    font-size: 15px;
    font-weight: 400;
    color: #555;
}

/* Body area */
.lesson-body {
    padding: 15px 20px;
}

/* Grid layout */
.lesson-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    row-gap: 10px;
    column-gap: 15px;
}

/* Label column styling */
.lesson-grid .label {
    font-weight: 600;
    color: #333;
}

@media (max-width: 480px) {
    /* On small phones, stack labels and values */
    .lesson-body {
        display: block; /* switch from grid to vertical layout */
    }
    .lesson-body > strong,
    .lesson-body > div {
        display: block;
        width: 100%;
        margin-bottom: 6px; /* optional spacing between label/value pairs */
    }
}

/* Callout text sizing */
.callout p,
.callout li {
    font-size: 14px;
    line-height: 1.6;
}

.callout p {
    margin-bottom: 0.6em;
}