/* =============================================
   GB-2026-001 STYLESHEET
   Personal site for Geoff Brumfiel, styled after
   AEC/DTIC technical reports, ca. 1957.
   ============================================= */

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

/* --- DESIGN TOKENS --- */
:root {
    --black: #1a1a1a;
    --white: #ffffff;
    --gray: #666;
    --light-gray: #ccc;
    --accent-red: #8C2E00;     /* links, banner */
    --accent-blue: #005D8C;    /* tables, figures, chart elements */
    --font-body: 'Courier Prime', 'Courier New', Courier, monospace;
    --font-cover-sans: Helvetica, Arial, sans-serif;
    --font-cover-serif: 'Times New Roman', Times, Georgia, serif;
}

/* --- BASE --- */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 52px;  /* offset for fixed nav bar */
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--black);
    background: var(--white);
}

a {
    color: var(--accent-red);
    text-decoration: underline;
}

a:hover {
    text-decoration: none;
}

/* --- NAVIGATION BAR ---
   Fixed black bar at the top with doc ID + section links */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid #333;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 48px;
    width: 100%;
}

.nav-doc-id {
    font-weight: 700;
    letter-spacing: 0.15em;
    flex-shrink: 0;
}

/* Hamburger button — hidden on desktop, shown on mobile */
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid #555;
    color: var(--white);
    font-size: 18px;
    padding: 4px 10px;
    cursor: pointer;
    line-height: 1;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 0;
}

.nav-links li a {
    display: block;
    padding: 14px 14px;
    color: #aaa;
    text-decoration: none;
    transition: color 0.15s;
    white-space: nowrap;
}

/* Hover state and scroll-activated "active" state */
.nav-links li a:hover,
.nav-links li a.active {
    color: var(--white);
}

/* --- COVER PAGE ---
   Full-viewport hero section with report styling */
.cover-page {
    min-height: 100vh;
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 48px 60px;
    position: relative;
    overflow: hidden;
}

/* Faint decorative image behind cover content */
.cover-deco {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.cover-deco-diagram {
    bottom: -8px;
    left: 0;
    width: 100%;
    opacity: 0.14;
}

/* Dark angled banner with reversed text ("PRELIMINARY REPORT") */
.cover-banner {
    position: absolute;
    left: 0;
    top: 120px;
    background: var(--accent-red);
    color: var(--white);
    font-family: var(--font-cover-sans);
    font-size: 14px;
    letter-spacing: 0.2em;
    padding: 10px 50px 10px 24px;
    transform: rotate(-4deg);
    transform-origin: left center;
    z-index: 2;
}

/* Top-right report ID and category label */
.cover-upper-right {
    position: absolute;
    top: 80px;
    right: 48px;
    text-align: right;
    z-index: 1;
}

.cover-report-no {
    font-family: var(--font-cover-serif);
    font-size: 17px;
    font-weight: 700;
}

.cover-category {
    font-family: var(--font-cover-serif);
    font-size: 11px;
    font-weight: 700;
    margin-top: 4px;
}

/* Main content area on the cover (left side) */
.cover-body {
    padding-left: 8%;
    padding-right: 40%;
    padding-top: 80px;
    position: relative;
    z-index: 1;
}

/* Italic label above name (like "OPERATION" in original Plumbob cover) */
.cover-operation {
    font-family: var(--font-cover-sans);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

/* Large name in Bree Serif — the main title of the "report" */
.cover-name {
    font-family: 'Bree Serif', serif;
    font-size: clamp(52px, 9vw, 78px);
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 0.92;
    margin-bottom: 36px;
    background: var(--white);
    padding: 8px 12px;
    display: inline-block;
}

/* Photo on right side of cover */
.cover-photo-area {
    position: absolute;
    right: 48px;
    top: 22%;
    text-align: center;
    width: 280px;
    z-index: 1;
}

.cover-photo-area .figure-photo-wrapper {
    max-width: 280px;
}

.cover-photo-area .figure-caption {
    font-family: var(--font-body);
    font-size: 10px;
    margin-top: 10px;
    line-height: 1.4;
    color: var(--black);
    background: var(--white);
    padding: 6px 8px;
    display: inline-block;
}

/* "Approved for Public Release" box at bottom-right of cover */
.cover-dist {
    position: absolute;
    bottom: 48px;
    right: 48px;
    text-align: center;
    z-index: 1;
    background: var(--white);
    padding: 8px 12px;
}

.cover-dist p {
    font-family: var(--font-cover-sans);
    font-size: 15px;
}

.cover-dist-head {
    font-weight: 700 !important;
}

/* --- PAGE SECTIONS ---
   Each major section (Summary, Contents, chapters) uses this wrapper */
.page {
    width: 100%;
    padding: 60px 48px;
    border-top: 1px solid var(--light-gray);
}

.page-inner {
    max-width: 760px;
    margin: 0 auto;
}

/* --- SECTION / CHAPTER HEADINGS --- */
.section-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
}

.chapter-label {
    font-family: var(--font-cover-serif);
    font-size: 15px;
    margin-bottom: 8px;
}

.chapter-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.sub-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
}

/* --- BODY TEXT --- */
.body-text p {
    margin-bottom: 14px;
}

.body-text em {
    font-style: italic;
}

/* --- EXECUTIVE SUMMARY LAYOUT ---
   Side-by-side text + figure for the abstract/summary section */
.abstract-layout {
    display: flex;
    gap: 24px;
    align-items: center;
}

.abstract-layout .body-text {
    flex: 1;
    min-width: 0;
}

.abstract-layout .section-figure-float {
    float: none;
    flex-shrink: 0;
}

/* --- FLOATED FIGURES ---
   Images that float to the right of body text */
.section-figure-float {
    float: right;
    width: 220px;
    margin: 0 0 16px 24px;
}

.section-figure-float.section-figure-lg {
    width: 380px;
}

/* --- QUALIFICATIONS SECTION ---
   Side-by-side text + Plumbob photo */
.qualifications-page {
    position: relative;
}

.qualifications-detail {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.qualifications-detail .body-text {
    flex: 1;
    min-width: 0;
}

.qualifications-figure {
    flex-shrink: 0;
    width: 240px;
    transform: rotate(2deg);
}

.qualifications-photo {
    width: 100%;
    display: block;
    box-shadow: 2px 3px 12px rgba(0, 0, 0, 0.2);
}

/* --- CONTENTS (Table of Contents) --- */
.contents-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.contents-list {
    margin-bottom: 8px;
}

.contents-chapter {
    margin-top: 12px;
    margin-bottom: 4px;
}

.contents-chapter a {
    text-decoration: none;
    font-weight: 700;
}

.contents-chapter a:hover {
    text-decoration: underline;
}

.contents-entry {
    display: flex;
    align-items: baseline;
    line-height: 1.8;
}

.contents-entry.sub {
    padding-left: 24px;
}

.contents-entry a {
    text-decoration: none;
    flex-shrink: 0;
}

.contents-entry a:hover {
    text-decoration: underline;
}

/* Dotted leader line between entry title and page number */
.contents-dots {
    flex: 1;
    border-bottom: 1px dotted var(--gray);
    margin: 0 8px;
    min-width: 20px;
    position: relative;
    top: -3px;
}

/* --- TABLES --- */
.table-caption {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-blue);
}

.table-wrapper {
    overflow-x: auto;
    margin-bottom: 28px;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    border-bottom: 2px solid var(--accent-blue);
}

th {
    font-weight: 700;
    text-align: left;
    padding: 6px 12px 6px 0;
    white-space: nowrap;
    vertical-align: bottom;
    color: var(--accent-blue);
}

td {
    padding: 5px 12px 5px 0;
    border-bottom: 1px solid #b8d8e8;
    vertical-align: top;
    color: var(--accent-blue);
}

td a {
    color: var(--accent-red);
}

/* Keep dates from wrapping in the stories table */
.dispatch-table td:first-child {
    white-space: nowrap;
}

/* --- ARCHIVE NOTE --- */
.archive-note {
    margin-top: 16px;
}

/* --- FIGURES --- */
.figure {
    margin: 48px 0;
    text-align: center;
}

.figure-photo-wrapper {
    position: relative;
    display: inline-block;
    max-width: 280px;
}

.figure-photo {
    display: block;
    width: 100%;
    filter: grayscale(100%) contrast(1.2) brightness(1.05);
}

/* Canvas overlay that sits on top of the photo for film grain */
.grain-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    mix-blend-mode: multiply;
    opacity: 0.4;
}

.figure-caption {
    font-family: var(--font-body);
    font-size: 12px;
    margin-top: 12px;
    line-height: 1.5;
    color: var(--accent-blue);
}

/* --- SVG SCHEMATIC (employment diagram + bar chart) --- */
.schematic-svg {
    max-width: 100%;
    height: auto;
}

/* --- STORIES + BLUESKY SIDEBAR LAYOUT ---
   Two-column layout: stories on the left, Bluesky feed on the right */
.dispatches-page .dispatches-layout {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

.dispatches-main {
    flex: 1;
    min-width: 0;
}

/* Sticky sidebar that scrolls with you */
.bsky-sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 64px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    border-left: 2px solid var(--black);
    padding-left: 24px;
}

.bsky-sidebar-header {
    margin-bottom: 16px;
}

.bsky-sidebar-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.bsky-sidebar-rule {
    display: block;
    height: 1px;
    background: var(--black);
    margin-bottom: 6px;
}

.bsky-sidebar-handle {
    font-size: 12px;
    color: var(--gray);
    text-decoration: none;
}

.bsky-sidebar-handle:hover {
    text-decoration: underline;
}

/* --- BLUESKY POST CARDS --- */
.bsky-loading {
    padding: 8px 0;
    color: var(--gray);
    font-size: 12px;
}

.bsky-post {
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 13px;
    line-height: 1.55;
}

.bsky-post:first-child {
    padding-top: 0;
}

.bsky-post-date {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--gray);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.bsky-post-text {
    margin-bottom: 6px;
    white-space: pre-wrap;
}

.bsky-post-link {
    font-size: 11px;
    color: var(--gray);
}

/* Link preview card inside a Bluesky post */
.bsky-embed-card {
    display: block;
    border-left: 2px solid #ccc;
    padding: 6px 10px;
    margin-top: 6px;
    margin-bottom: 6px;
    text-decoration: none;
    color: var(--black);
    font-size: 12px;
    line-height: 1.4;
}

.bsky-embed-card:hover {
    border-left-color: var(--black);
}

.bsky-embed-title {
    font-weight: 700;
    margin-bottom: 2px;
}

.bsky-embed-desc {
    color: var(--gray);
    font-size: 11px;
}

.bsky-embed-domain {
    color: var(--gray);
    font-size: 10px;
    margin-top: 2px;
}

/* --- FOOTER --- */
.report-footer {
    padding: 40px 48px 60px;
    border-top: 1px solid var(--light-gray);
}

.footer-end {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 13px;
    text-align: center;
}

/* --- RESPONSIVE (tablet / phone) --- */
@media (max-width: 768px) {
    /* Show hamburger menu button */
    .nav-toggle {
        display: block;
    }

    /* Stack nav links vertically in a dropdown */
    .nav-links {
        display: none;
        position: absolute;
        top: 48px;
        left: 0;
        right: 0;
        background: var(--black);
        flex-direction: column;
        border-top: 1px solid #333;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li a {
        padding: 12px 24px;
        border-bottom: 1px solid #222;
    }

    /* Hide decorative diagram on small screens */
    .cover-deco-diagram {
        display: none;
    }

    .has-figure {
        display: flex;
        flex-direction: column;
    }

    .abstract-layout {
        flex-direction: column;
    }

    /* Stack floated figures below text on mobile */
    .section-figure-float {
        float: none;
        order: 99;
        width: 180px;
        margin: 24px auto 0;
    }

    .section-figure-float.section-figure-lg {
        width: 100%;
    }

    .qualifications-detail {
        flex-direction: column;
    }

    .qualifications-figure {
        width: 200px;
        margin: 24px auto;
    }

    .cover-page {
        padding: 72px 24px 40px;
    }

    .cover-banner {
        left: 0;
        top: 80px;
        font-size: 11px;
        padding: 8px 36px 8px 16px;
    }

    .cover-upper-right {
        top: 65px;
        right: 20px;
    }

    .cover-body {
        padding-left: 0;
        padding-right: 0;
        padding-top: 60px;
    }

    .cover-name {
        font-size: 48px;
    }

    .cover-photo-area {
        position: relative;
        right: auto;
        top: auto;
        width: auto;
        margin: 32px 0 40px;
    }

    .cover-photo-area .figure-photo-wrapper {
        max-width: 240px;
    }

    /* Stack stories + Bluesky sidebar vertically */
    .dispatches-page .dispatches-layout {
        flex-direction: column;
        gap: 32px;
    }

    .bsky-sidebar {
        width: 100%;
        position: relative;
        top: auto;
        max-height: none;
        border-left: none;
        border-top: 2px solid var(--black);
        padding-left: 0;
        padding-top: 24px;
    }

    .cover-dist {
        position: relative;
        bottom: auto;
        right: auto;
        text-align: center;
        margin-top: 40px;
    }

    .page {
        padding: 40px 20px;
    }

    .report-footer {
        padding: 40px 20px 48px;
    }

    .nav-inner {
        padding: 0 16px;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 4px 8px 4px 0;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 13px;
    }

    .cover-name {
        font-size: 36px;
    }

    .contents-entry.sub {
        padding-left: 12px;
    }
}

/* --- PRINT ---
   Hide nav bar and reduce spacing when printing */
@media print {
    .nav-bar {
        display: none;
    }

    html {
        scroll-padding-top: 0;
    }

    .cover-page {
        padding-top: 48px;
    }

    .page {
        break-inside: avoid;
    }
}

/* Subtle text selection highlight */
::selection {
    background: rgba(0, 0, 0, 0.12);
}