/* 1. COLOR PALETTE: Japanese Woodblock (Ukiyo-e) Theme */
:root {
    --bg-color: #f4e8d8;
    /* Cream / Off-white (washi paper) */
    --text-color: #1a1a1a;
    /* Deep black */
    --header-bg: #2c1810;
    /* Deep brown-black */
    --header-text: #f4e8d8;
    /* Cream text */
    --nav-bg: #5c3d2e;
    /* Rich brown */
    --accent-color: #c41e3a;
    /* Deep red (traditional ukiyo-e) */
    --accent-hover: #8b1528;
    /* Darker red */
    --card-bg: #faf6f0;
    /* Light cream */
}

/* 2. BASE RESET & LAYOUT */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Georgia, "Times New Roman", serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* .container keeps content centered and prevents it from getting too wide */
.container {
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
}

/* 3. HEADER */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 3rem 0;
    text-align: center;
    border-bottom: 6px solid var(--accent-color);
    box-shadow: inset 0 -8px 0 var(--accent-color), inset 0 -12px 0 var(--header-bg);
    /* Decorative pattern inspired by woodblock frames */
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

header p {
    color: #d4c4b4;
    /* Light cream text for the subtitle */
    font-size: 1.25rem;
    font-style: italic;
}

/* 4. NAVIGATION */
nav {
    background-color: var(--nav-bg);
}

nav ul {
    list-style: none;
    /* remove bullets */
    display: flex;
    /* align sideways */
}

nav a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    padding: 1rem 1.5rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

nav a:hover,
nav a.active {
    background-color: var(--accent-color);
    /* turns blue when hovered/active */
}

/* 5. MAIN CONTENT */
main {
    flex-grow: 1;
    /* Pushes the footer to the bottom of the page */
    padding: 3rem 0;
}

/* 6. CARDS (Content Boxes) */
.card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 0px;
    /* Sharp corners for woodblock aesthetic */
    box-shadow: 0 8px 16px rgba(28, 25, 23, 0.15);
    margin-bottom: 2rem;
    border: 2px solid var(--text-color);
    border-left: 6px solid var(--accent-color);
    border-right: 6px solid var(--accent-color);
    /* Red side borders reminiscent of woodblock framing */
}

.card h2 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    letter-spacing: 1px;
}

.card p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    letter-spacing: 0.3px;
}

/* 7. BUTTONS & LINKS */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--card-bg);
    padding: 0.85rem 2rem;
    text-decoration: none;
    border-radius: 0px;
    /* Sharp corners */
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid var(--text-color);
    letter-spacing: 1px;
}

.btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 2px 4px 8px rgba(28, 25, 23, 0.2);
}

/* 8. FOOTER */
footer {
    background-color: var(--header-bg);
    color: #9ca3af;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}