/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: #1a0814;
    color: #f5e0e8;
    font-family: 'Space Mono', monospace;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    position: relative;
    overflow-x: hidden;
}

/* === GRAIN OVERLAY === */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.06;
    z-index: 1000;
}

/* === CONTAINER === */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 24px 60px;
}

/* === HEADER === */
.site-header {
    text-align: center;
    margin-bottom: 40px;
}

.site-title {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 2.5rem;
    color: #f5e0e8;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.site-title .dot {
    color: #c84060;
}

.tagline {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 1.1rem;
    color: #e8c0d0;
}

/* === PIXEL-ART ICONS (box-shadow technique) === */
.pixel-icon {
    width: 1px;
    height: 1px;
    transform: scale(4);
    transform-origin: top left;
    image-rendering: pixelated;
    margin-bottom: 48px;
    margin-left: 8px;
}

/* Transaction arrow icon 16x16 */
.pixel-icon-tx {
    box-shadow:
        7px 1px 0 0 #c84060, 8px 1px 0 0 #c84060,
        9px 2px 0 0 #c84060, 8px 3px 0 0 #c84060,
        7px 3px 0 0 #c84060, 6px 3px 0 0 #c84060,
        5px 3px 0 0 #c84060, 4px 3px 0 0 #c84060,
        3px 3px 0 0 #c84060, 2px 3px 0 0 #c84060,
        2px 4px 0 0 #c84060, 2px 5px 0 0 #c84060,
        3px 5px 0 0 #c84060, 4px 5px 0 0 #c84060,
        5px 5px 0 0 #c84060, 6px 5px 0 0 #c84060,
        7px 5px 0 0 #c84060, 8px 5px 0 0 #c84060,
        9px 6px 0 0 #c84060, 8px 7px 0 0 #c84060,
        7px 7px 0 0 #c84060,
        7px 9px 0 0 #8b2040, 8px 9px 0 0 #8b2040,
        6px 10px 0 0 #8b2040, 7px 11px 0 0 #8b2040,
        8px 11px 0 0 #8b2040, 9px 11px 0 0 #8b2040,
        10px 11px 0 0 #8b2040, 11px 11px 0 0 #8b2040,
        12px 11px 0 0 #8b2040, 13px 11px 0 0 #8b2040,
        13px 12px 0 0 #8b2040, 13px 13px 0 0 #8b2040,
        12px 13px 0 0 #8b2040, 11px 13px 0 0 #8b2040,
        10px 13px 0 0 #8b2040, 9px 13px 0 0 #8b2040,
        8px 13px 0 0 #8b2040, 7px 13px 0 0 #8b2040,
        6px 14px 0 0 #8b2040, 7px 15px 0 0 #8b2040,
        8px 15px 0 0 #8b2040;
}

/* Hash symbol icon 16x16 */
.pixel-icon-hash {
    box-shadow:
        5px 2px 0 0 #c84060, 5px 3px 0 0 #c84060, 5px 4px 0 0 #c84060,
        5px 5px 0 0 #c84060, 5px 6px 0 0 #c84060, 5px 7px 0 0 #c84060,
        5px 8px 0 0 #c84060, 5px 9px 0 0 #c84060, 5px 10px 0 0 #c84060,
        5px 11px 0 0 #c84060, 5px 12px 0 0 #c84060,
        10px 2px 0 0 #c84060, 10px 3px 0 0 #c84060, 10px 4px 0 0 #c84060,
        10px 5px 0 0 #c84060, 10px 6px 0 0 #c84060, 10px 7px 0 0 #c84060,
        10px 8px 0 0 #c84060, 10px 9px 0 0 #c84060, 10px 10px 0 0 #c84060,
        10px 11px 0 0 #c84060, 10px 12px 0 0 #c84060,
        3px 5px 0 0 #8b2040, 4px 5px 0 0 #8b2040, 6px 5px 0 0 #8b2040,
        7px 5px 0 0 #8b2040, 8px 5px 0 0 #8b2040, 9px 5px 0 0 #8b2040,
        11px 5px 0 0 #8b2040, 12px 5px 0 0 #8b2040,
        3px 9px 0 0 #8b2040, 4px 9px 0 0 #8b2040, 6px 9px 0 0 #8b2040,
        7px 9px 0 0 #8b2040, 8px 9px 0 0 #8b2040, 9px 9px 0 0 #8b2040,
        11px 9px 0 0 #8b2040, 12px 9px 0 0 #8b2040;
}

/* API plug icon 16x16 */
.pixel-icon-api {
    box-shadow:
        4px 3px 0 0 #c84060, 5px 3px 0 0 #c84060, 6px 3px 0 0 #c84060,
        4px 4px 0 0 #c84060, 6px 4px 0 0 #c84060,
        4px 5px 0 0 #c84060, 5px 5px 0 0 #c84060, 6px 5px 0 0 #c84060,
        5px 6px 0 0 #c84060, 5px 7px 0 0 #c84060,
        3px 8px 0 0 #8b2040, 4px 8px 0 0 #8b2040, 5px 8px 0 0 #8b2040,
        6px 8px 0 0 #8b2040, 7px 8px 0 0 #8b2040,
        3px 9px 0 0 #8b2040, 7px 9px 0 0 #8b2040,
        3px 10px 0 0 #8b2040, 7px 10px 0 0 #8b2040,
        3px 11px 0 0 #8b2040, 4px 11px 0 0 #8b2040, 5px 11px 0 0 #8b2040,
        6px 11px 0 0 #8b2040, 7px 11px 0 0 #8b2040,
        9px 5px 0 0 #c84060, 10px 5px 0 0 #c84060, 11px 5px 0 0 #c84060,
        12px 5px 0 0 #c84060,
        9px 8px 0 0 #c84060, 10px 8px 0 0 #c84060, 11px 8px 0 0 #c84060,
        12px 8px 0 0 #c84060;
}

/* Block chain icon 16x16 */
.pixel-icon-block {
    box-shadow:
        2px 3px 0 0 #c84060, 3px 3px 0 0 #c84060, 4px 3px 0 0 #c84060,
        5px 3px 0 0 #c84060,
        2px 4px 0 0 #c84060, 5px 4px 0 0 #c84060,
        2px 5px 0 0 #c84060, 5px 5px 0 0 #c84060,
        2px 6px 0 0 #c84060, 3px 6px 0 0 #c84060, 4px 6px 0 0 #c84060,
        5px 6px 0 0 #c84060,
        6px 4px 0 0 #8b2040, 7px 5px 0 0 #8b2040,
        8px 6px 0 0 #8b2040, 9px 7px 0 0 #8b2040,
        10px 8px 0 0 #c84060, 11px 8px 0 0 #c84060, 12px 8px 0 0 #c84060,
        13px 8px 0 0 #c84060,
        10px 9px 0 0 #c84060, 13px 9px 0 0 #c84060,
        10px 10px 0 0 #c84060, 13px 10px 0 0 #c84060,
        10px 11px 0 0 #c84060, 11px 11px 0 0 #c84060, 12px 11px 0 0 #c84060,
        13px 11px 0 0 #c84060;
}

/* === TYPOGRAPHY === */
h2 {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 1.5rem;
    color: #f5e0e8;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.prose {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.8;
    color: #e8c0d0;
    margin-bottom: 20px;
}

/* === CODE BLOCKS === */
pre {
    background: #2d1020;
    border-left: 4px solid #c84060;
    padding: 24px;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #f0f0f0;
    margin-bottom: 20px;
    border-radius: 0;
}

code {
    font-family: 'Fira Code', monospace;
    font-feature-settings: "liga" 1;
}

.code-keyword { color: #c84060; }
.code-string { color: #e8c0d0; }
.code-number { color: #f5e0e8; }
.code-comment { color: #8b2040; }

/* === SECTIONS === */
.content-section {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    margin-bottom: 48px;
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === PIXEL DIVIDER (8-bit decorative border) === */
.pixel-divider {
    height: 4px;
    margin: 8px 0 48px;
    background: repeating-linear-gradient(
        90deg,
        #c84060 0px, #c84060 8px,
        transparent 8px, transparent 12px,
        #8b2040 12px, #8b2040 20px,
        transparent 20px, transparent 24px
    );
    image-rendering: pixelated;
}

/* === FOOTER === */
.site-footer {
    text-align: center;
    font-size: 0.85rem;
    color: #8b2040;
    padding-top: 20px;
}

.footer-links {
    margin-top: 12px;
}

.footer-links a {
    color: #c84060;
    text-decoration: none;
    font-family: 'Space Mono', monospace;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #f5e0e8;
}

.footer-sep {
    color: #2d1020;
    margin: 0 8px;
    font-size: 0.6rem;
}

/* === LINKS === */
a {
    color: #c84060;
    text-decoration: none;
}

a:hover {
    color: #f5e0e8;
}

/* === SELECTION === */
::selection {
    background: #c84060;
    color: #1a0814;
}