/* ==========================================================================
   ACM PSU — shared stylesheet
   Consolidated from the four page templates in design-template/.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=JetBrains+Mono:wght@400;700&family=Space+Grotesk:wght@500;700&family=Tajawal:wght@400;500;700&display=swap');

:root {
    --bg-base: #050507;
    --bg-surface: #0a0a0d;
    --bg-surface-hover: #121218;
    --text-main: #f8f9fa;
    --text-muted: #8b949e;
    --text-dark: #30363d;
    --accent-blue: #3b82f6;
    --accent-blue-dim: rgba(59, 130, 246, 0.15);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --nav-height: 72px;
    --container-width: 1400px;
    --radius-sm: 2px;
    --radius-md: 4px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

/* Faint blueprint grid behind everything */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image:
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 100px 100px;
    mask-image: radial-gradient(circle at center, black 10%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 10%, transparent 80%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.25;
}

.ambient-glow {
    position: fixed;
    top: -20vh;
    left: 20vw;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(29, 78, 216, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    filter: blur(100px);
}

/* Interior pages pull the glow to the top-right corner */
.ambient-glow--corner {
    top: -10vh;
    left: auto;
    right: -10vw;
    width: 50vw;
    height: 50vh;
    background: radial-gradient(circle, rgba(29, 78, 216, 0.1) 0%, transparent 70%);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.mono-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.accent-text { color: var(--accent-blue); }
.dim-text { color: var(--text-dark); }

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover { color: var(--text-main); }

:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 200;
    background: var(--text-main);
    color: var(--bg-base);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

[dir="rtl"] .skip-link {
    left: auto;
    right: -9999px;
}

[dir="rtl"] .skip-link:focus {
    left: auto;
    right: 1rem;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
    position: relative;
    z-index: 1;
}

section {
    padding-top: 8rem;
    padding-bottom: 8rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

/* Scroll-in animation, neutralised for reduced-motion users */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    border-bottom: 1px solid var(--border-color);
    background: rgba(5, 5, 7, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    display: flex;
    align-items: center;
}

.nav-inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-logo img {
    height: 28px;
    width: auto;
    display: block;
}

.nav-logo .divider {
    color: var(--border-strong);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-main);
    transition: width 0.3s ease;
}

.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text-main); }
.nav-links a.active::after { width: 100%; }

.nav-meta { text-align: right; }

.lang-toggle {
    flex: 0 0 auto;
    min-width: 4.25rem;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-main);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
    border-color: var(--text-muted);
    background: var(--bg-surface-hover);
}

html[dir="rtl"] body {
    font-family: 'Tajawal', var(--font-body);
}

html[dir="rtl"] .mono-meta,
html[dir="rtl"] .meta-label,
html[dir="rtl"] code,
html[dir="rtl"] pre {
    font-family: 'Tajawal', var(--font-mono);
}

html[dir="rtl"] .nav-logo,
html[dir="rtl"] .project-id,
html[dir="rtl"] code,
html[dir="rtl"] pre {
    direction: ltr;
}

html[dir="rtl"] .nav-meta { text-align: left; }
html[dir="rtl"] .nav-links a::after { left: auto; right: 0; }
html[dir="rtl"] .link-arrow svg { transform: scaleX(-1); }
html[dir="rtl"] input,
html[dir="rtl"] textarea,
html[dir="rtl"] select { text-align: right; }

/* Mobile menu button — hidden on desktop, revealed in the 768px breakpoint */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    padding: 0.5rem;
    cursor: pointer;
    line-height: 0;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--text-main);
    color: var(--bg-base);
    border: 1px solid var(--text-main);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-main);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

.btn-lg {
    padding: 1.25rem 3rem;
    font-size: 1rem;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
}

.link-arrow svg { transition: transform 0.2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--border-strong);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag.active,
.tag-active {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-dim);
}

/* --------------------------------------------------------------------------
   Home — hero
   -------------------------------------------------------------------------- */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--nav-height);
    border-bottom: none;
}

.hero-system-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--border-strong);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 3rem;
    background: var(--bg-surface);
    align-self: flex-start;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-blue);
}

.hero-title {
    font-size: clamp(2.5rem, 9vw, 7.5rem);
    text-transform: uppercase;
    line-height: 0.9;
    margin-bottom: 2rem;
    max-width: 1200px;
    overflow-wrap: break-word;
}

.hero-title span {
    display: block;
    color: var(--text-muted);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

/* --------------------------------------------------------------------------
   Home — focus grid
   -------------------------------------------------------------------------- */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.focus-item {
    background: var(--bg-base);
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

.focus-item:hover { background: var(--bg-surface); }

.focus-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.focus-item:hover::before { transform: scaleX(1); }

.focus-num {
    font-family: var(--font-mono);
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

.focus-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
}

.focus-meta {
    margin-top: 1rem;
    color: var(--text-dark);
}

/* --------------------------------------------------------------------------
   Home — team preview
   -------------------------------------------------------------------------- */

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.team-member {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    overflow: hidden;
}

.team-img-wrapper {
    width: 100%;
    aspect-ratio: 4/5;
    overflow: hidden;
    position: relative;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-color);
}

.team-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2) brightness(0.8);
    transition: filter 0.5s ease, transform 0.5s ease;
}

.team-member:hover .team-img-wrapper img {
    filter: grayscale(0%) contrast(1) brightness(1);
    transform: scale(1.03);
}

/* CRT scanline overlay */
.team-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 4px, 3px 100%;
    pointer-events: none;
    opacity: 0.5;
}

.team-info { padding: 1.5rem; }

.team-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.team-role {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

/* --------------------------------------------------------------------------
   Home — featured work
   -------------------------------------------------------------------------- */

.work-grid {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.project-card {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
    align-items: center;
}

.project-card:nth-child(even) { grid-template-columns: 5fr 7fr; }
.project-card:nth-child(even) .project-content { order: -1; }

.project-visual {
    position: relative;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    background: var(--bg-surface);
}

.window-chrome {
    display: flex;
    gap: 6px;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.window-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-dark);
}

.project-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius-sm);
    filter: brightness(0.8) contrast(1.1);
    transition: filter 0.3s ease;
    display: block;
}

.project-card:hover .project-img {
    filter: brightness(1) contrast(1);
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-meta-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value { color: var(--text-main); }

.project-title {
    font-size: 2.5rem;
    line-height: 1.1;
}

.project-desc {
    color: var(--text-muted);
    font-size: 1rem;
}

.project-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.project-links .link-arrow:hover svg {
    transform: translateX(4px) translateY(-4px);
}

/* --------------------------------------------------------------------------
   Home — archive timeline
   -------------------------------------------------------------------------- */

.timeline { border-top: 1px solid var(--border-color); }

.timeline-row {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease, padding-left 0.2s ease;
}

.timeline-row:hover {
    background: var(--bg-surface);
    padding-left: 1rem;
}

.year {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.timeline-details {
    display: flex;
    gap: 3rem;
}

.timeline-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timeline-status { text-align: right; }

/* Older rows fade back into the archive */
.timeline-row--past .year,
.timeline-row--past .mono-meta { color: var(--text-muted); }
.timeline-row--distant .year,
.timeline-row--distant .mono-meta { color: var(--text-dark); }
.timeline-row--distant .tag { border-color: var(--border-color); color: var(--text-dark); }

/* --------------------------------------------------------------------------
   Home — closing call to action
   -------------------------------------------------------------------------- */

.ending {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-bottom: none;
    background: radial-gradient(circle at center, var(--bg-surface) 0%, var(--bg-base) 70%);
}

.ending-title {
    font-size: clamp(2.25rem, 6vw, 5rem);
    margin-bottom: 1.5rem;
    max-width: 900px;
    overflow-wrap: break-word;
}

.ending-desc {
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* --------------------------------------------------------------------------
   Interior page headers
   -------------------------------------------------------------------------- */

.page-header {
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 5rem);
    text-transform: uppercase;
    line-height: 0.9;
    letter-spacing: -0.02em;
    overflow-wrap: break-word;
}

.page-title span { color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Team page
   -------------------------------------------------------------------------- */

.roster-section { padding-top: 6rem; padding-bottom: 6rem; border-bottom: none; }

.section-label {
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
}

.section-label h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-transform: uppercase;
}

.lead-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.lead-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    overflow: hidden;
}

.lead-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    filter: grayscale(1) contrast(1.1) brightness(0.9);
    border-right: 1px solid var(--border-color);
    display: block;
}

.lead-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
}

.lead-name {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.lead-card .tag { margin-bottom: 1rem; }

.members-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.member-card {
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.member-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

.member-img-box {
    aspect-ratio: 1/1;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.member-img-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.5));
    pointer-events: none;
}

.member-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) contrast(1.1);
    display: block;
}

.member-info { padding: 1.25rem; }

.member-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.member-id { color: var(--text-dark); margin-top: 0.5rem; }

.archive-footer {
    padding: 8rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    background: linear-gradient(to bottom, var(--bg-base), #08080a);
}

.archive-selector {
    max-width: 600px;
    margin: 0 auto;
}

.archive-years {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Chapter-year selector. A native <select> keeps keyboard and mobile
   behaviour for free; the chevron sits on top of it. */
.select-wrap {
    position: relative;
    display: block;
}

.select-box {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    padding: 1.25rem 3rem 1.25rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.select-box:hover { border-color: var(--text-muted); }

.select-box:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.select-box option {
    background: var(--bg-surface);
    color: var(--text-main);
    text-transform: none;
}

.select-chevron {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Quick-jump year chips under the select. */
.year-chip {
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.year-chip:hover {
    border-color: var(--text-muted);
    color: var(--text-main);
}

.year-chip[aria-pressed="true"] {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-dim);
}

.year-chip.is-empty { color: var(--text-dark); border-color: var(--border-color); }
.year-chip.is-empty:hover { color: var(--text-muted); }

.roster-empty {
    padding: 4rem 2rem;
    text-align: center;
    border: 1px dashed var(--border-color);
    background: var(--bg-surface);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.roster-empty .headline {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Projects page
   -------------------------------------------------------------------------- */

.controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.terminal-search {
    flex: 1;
    min-width: 260px;
    max-width: 500px;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.terminal-search .prompt { color: var(--accent-blue); }

.terminal-search input {
    background: transparent;
    border: none;
    color: var(--text-main);
    width: 100%;
    outline: none;
    font-family: inherit;
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab {
    padding: 0.5rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab:hover { border-color: var(--border-strong); color: var(--text-main); }

.tab.active {
    background: var(--text-main);
    color: var(--bg-base);
    border-color: var(--text-main);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    padding: 6rem 0;
}

.case-study-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
    position: relative;
}

.case-study-card[hidden] { display: none; }

.case-study-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-strong);
}

.card-visual {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #000;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: opacity 0.5s ease, filter 0.5s ease;
    display: block;
}

.case-study-card:hover .card-visual img {
    opacity: 0.9;
    filter: grayscale(0%);
}

.card-body {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex: 1;
}

.card-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.project-id {
    color: var(--accent-blue);
    font-weight: 700;
}

.card-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    text-transform: uppercase;
    line-height: 1.1;
}

.card-desc {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 90%;
    margin-bottom: 1rem;
}

.card-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.view-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.view-btn svg { transition: transform 0.2s ease; }
.view-btn:hover svg { transform: translateX(4px); }

.empty-state {
    grid-column: 1 / -1;
    padding: 4rem 0;
    text-align: center;
}

/* --------------------------------------------------------------------------
   Join page
   -------------------------------------------------------------------------- */

.membership-hero {
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 4rem;
    border-bottom: none;
}

.membership-hero .page-title { font-size: clamp(2.5rem, 6vw, 4rem); margin-bottom: 1rem; }

.membership-intro {
    max-width: 600px;
    line-height: 1.6;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 4rem;
    margin-top: 4rem;
    align-items: start;
}

.terminal-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.terminal-header {
    background: #1a1a1f;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-strong);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.terminal-dots { display: flex; gap: 6px; }

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
}

.dot.red { background: #ff5f56; }

.terminal-filename { font-size: 0.6rem; }

.form-body {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-wrap {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.field-hint { font-size: 0.6rem; }

input, select, textarea {
    background: #0d0d12;
    border: 1px solid var(--border-color);
    padding: 1rem;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease;
    width: 100%;
}

textarea { resize: vertical; }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

input::placeholder, textarea::placeholder { color: var(--text-dark); }

.btn-submit {
    background: var(--text-main);
    color: var(--bg-base);
    border: none;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 1rem;
    transition: opacity 0.2s ease;
}

.btn-submit:hover { opacity: 0.9; }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.6;
    padding: 1rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
}

.form-status[hidden] { display: none; }
.form-status--ok { border-color: var(--accent-blue); color: var(--accent-blue); background: var(--accent-blue-dim); }
.form-status--err { border-color: #ff5f56; color: #ff8a84; }

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.sidebar-section h3 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
}

.benefit-icon {
    color: var(--accent-blue);
    font-family: var(--font-mono);
}

.benefit-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.benefit-text b { color: var(--text-main); }

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-main);
    text-align: left;
    font-family: var(--font-display);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.faq-trigger svg { flex-shrink: 0; transition: transform 0.2s ease; }

.faq-content {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: none;
}

.faq-item.active .faq-content { display: block; }
.faq-item.active .faq-trigger svg { transform: rotate(45deg); }

.preflight {
    background: var(--accent-blue-dim);
    padding: 1.5rem;
    border: 1px solid var(--accent-blue);
}

.preflight h3 {
    border: none;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.preflight-list {
    color: var(--text-main);
    font-size: 0.65rem;
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    border-bottom: none;
}

.error-code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 18vw, 12rem);
    line-height: 1;
    color: var(--text-dark);
}

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

.site-footer {
    padding-top: 2rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-logos {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-logos img {
    height: 32px;
    width: auto;
    opacity: 0.5;
    filter: grayscale(1);
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.footer-logos img:hover {
    opacity: 1;
    filter: grayscale(0);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1200px) {
    .members-grid { grid-template-columns: repeat(3, 1fr); }
    .lead-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    :root { --container-width: 100%; }
    .hero-content { grid-template-columns: 1fr; gap: 2rem; }
    .focus-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .project-card,
    .project-card:nth-child(even) { grid-template-columns: 1fr; gap: 2rem; }
    .project-card:nth-child(even) .project-content { order: 1; }
    .timeline-row { grid-template-columns: 100px 1fr; gap: 1rem; padding: 1.5rem 0; }
    .timeline-status { display: none; }
    .projects-grid { grid-template-columns: 1fr; }
    .grid-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .sidebar { order: -1; }
}

@media (max-width: 768px) {
    section { padding-top: 5rem; padding-bottom: 5rem; }
    .container { padding-left: 1.25rem; padding-right: 1.25rem; }
    .nav-meta { display: none; }
    .nav-toggle {
        display: inline-flex;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(5, 5, 7, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
        padding: 0.5rem 1.25rem 1.5rem;
        display: none;
    }

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

    .nav-links a {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1rem;
    }

    .nav-links a::after { display: none; }

    .focus-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .members-grid { grid-template-columns: repeat(2, 1fr); }
    .section-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .section-label { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .timeline-details { flex-direction: column; gap: 1rem; }
    .hero-ctas { align-items: stretch; }
    .lead-card { grid-template-columns: 1fr; }
    .lead-img { height: 240px; border-right: none; border-bottom: 1px solid var(--border-color); }
    .card-body { padding: 1.75rem; }
    .card-desc { max-width: 100%; }
    .form-body { padding: 1.75rem; }
    .form-row { grid-template-columns: 1fr; gap: 2rem; }
    .site-footer { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

@media (max-width: 480px) {
    :root { --nav-height: 64px; }
    section { padding-top: 4rem; padding-bottom: 4rem; }
    .container { padding-left: 1rem; padding-right: 1rem; }
    .nav-logo { gap: 0.65rem; font-size: 1.05rem; }
    .nav-logo img { height: 26px; }
    .nav-links { top: var(--nav-height); padding-left: 1rem; padding-right: 1rem; }
    .hero {
        min-height: 100svh;
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: 3rem;
        justify-content: flex-start;
    }
    .hero-system-label { margin-bottom: 2rem; padding: 0.5rem 0.7rem; }
    .hero-title { font-size: clamp(2.25rem, 11.5vw, 3.25rem); line-height: 0.92; }
    .hero-content { margin-top: 1.5rem; gap: 1.75rem; }
    .hero-desc { font-size: 1rem; line-height: 1.65; }
    .hero-ctas { flex-direction: column; }
    .btn { width: 100%; min-height: 48px; padding: 0.9rem 1.25rem; }
    .page-header,
    .membership-hero { padding-top: calc(var(--nav-height) + 3rem); padding-bottom: 3rem; }
    .page-title { font-size: clamp(2.25rem, 12vw, 3.25rem); line-height: 0.94; }
    .section-header { margin-bottom: 2.5rem; }
    .section-header h2 { font-size: 2rem; }
    .timeline-row { grid-template-columns: 1fr; gap: 1.25rem; }
    .timeline-details { display: grid; grid-template-columns: 1fr 1fr; }
    .year { font-size: 2.5rem; }
    .focus-item { padding: 2rem 1.5rem; }
    .project-meta-block { grid-template-columns: 1fr; }
    .project-links { align-items: flex-start; flex-direction: column; }
    .ending { min-height: auto; }
    .footer-logos { gap: 1rem; flex-wrap: wrap; }
    .footer-logos img { max-width: 135px; height: 28px; object-fit: contain; }
    .members-grid { grid-template-columns: 1fr; }
    .card-title { font-size: 1.75rem; }
    .project-title { font-size: 2rem; }
    .lead-name { font-size: 1.5rem; }
    .form-body { padding: 1.25rem; }
    .terminal-header { align-items: flex-start; }
    input, select, textarea { font-size: 1rem; }
}

/* Keep intrinsically sized content from forcing a clipped horizontal layout
   on narrow Safari viewports. */
.hero-content > *,
.project-card > *,
.grid-layout > *,
.lead-card > *,
.timeline-row > *,
.stat-strip > * {
    min-width: 0;
}

img, svg { max-width: 100%; }

@supports (padding: max(0px)) {
    nav .nav-inner {
        padding-left: max(2rem, env(safe-area-inset-left));
        padding-right: max(2rem, env(safe-area-inset-right));
    }

    @media (max-width: 768px) {
        nav .nav-inner {
            padding-left: max(1.25rem, env(safe-area-inset-left));
            padding-right: max(1.25rem, env(safe-area-inset-right));
        }
    }

    @media (max-width: 480px) {
        nav .nav-inner {
            padding-left: max(1rem, env(safe-area-inset-left));
            padding-right: max(1rem, env(safe-area-inset-right));
        }
    }
}

/* --------------------------------------------------------------------------
   Archive detail — per-project file browser
   Ported from design-template/individual-archive-page.html off Tailwind so it
   shares this stylesheet with the rest of the site.
   -------------------------------------------------------------------------- */

.archive-body { overflow: hidden; }

/* This page is an app-style shell, not a marketing page: neutralise the
   site-wide bare `nav` and `section` rules so they do not fix the section
   tabs to the top or pad the file pane by 8rem. */
.archive-body nav {
    position: static;
    width: auto;
    height: auto;
    border-bottom: none;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: auto;
}

.archive-body section {
    padding-top: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.archive-body::before {
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
    background-size: 32px 32px;
    mask-image: none;
    -webkit-mask-image: none;
    opacity: 1;
}

.archive-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100vh;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
}

.archive-head {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-shrink: 0;
}

.archive-head-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.archive-dir {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.archive-chips {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.chip {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    padding: 0.125rem 0.5rem;
}

.archive-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-dark);
    text-transform: uppercase;
    flex-wrap: wrap;
}

.archive-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    flex-wrap: wrap;
}

.archive-title-row h1 {
    font-size: 2.25rem;
    text-transform: uppercase;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.archive-lede {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 42rem;
}

.archive-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-ghost {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    background: transparent;
    padding: 0.5rem 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-strong);
}

.archive-tabs {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    overflow-x: auto;
}

.archive-tabs a {
    color: var(--text-muted);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid transparent;
    white-space: nowrap;
}

.archive-tabs a:hover { color: var(--text-main); }
.archive-tabs a.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }

.archive-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: rgba(10, 10, 14, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.file-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.file-toolbar {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.file-crumbs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-crumbs .crumb-current { color: var(--text-main); }

.view-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 0.375rem;
    cursor: pointer;
    line-height: 0;
    transition: color 0.2s ease, background 0.2s ease;
}

.icon-btn:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.05); }
.icon-btn.active { color: var(--accent-blue); background: rgba(255, 255, 255, 0.05); border-color: var(--border-color); }

.file-search-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem 1rem;
    flex-wrap: wrap;
}

.file-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.file-search .prompt { color: var(--accent-blue); }
.file-search .cmd { color: var(--text-muted); }

.file-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    width: 100%;
    padding: 0.25rem 0;
    font-family: inherit;
    font-size: inherit;
}

.type-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.type-filter {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.type-filter:hover { color: var(--text-main); border-color: var(--border-color); }
.type-filter.active { color: var(--text-main); background: rgba(255, 255, 255, 0.05); border-color: var(--border-color); }

.file-scroll {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 2rem;
}

.pinned {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.pinned-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.pinned-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.pin-card {
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.4);
    padding: 0.75rem;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, background 0.2s ease;
    min-width: 0;
}

.pin-card:hover { border-color: var(--border-strong); background: rgba(255, 255, 255, 0.02); }
.pin-card:hover .icon { color: var(--accent-blue); }

.pin-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.pin-card .icon { color: var(--text-muted); transition: color 0.2s ease; }

.pin-name {
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pin-sub {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-grid {
    display: grid;
    grid-template-columns: minmax(200px, 2fr) 80px 1.5fr 120px 80px 40px;
    align-items: center;
    gap: 16px;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    text-align: left;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
    position: relative;
}

.file-head {
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-transform: uppercase;
    cursor: default;
}

.file-row:hover { background: rgba(255, 255, 255, 0.02); }
.file-row[hidden] { display: none; }

.file-row .fname {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.file-row .fname span {
    font-size: 0.875rem;
    color: var(--text-main);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-row .icon { color: var(--text-muted); flex-shrink: 0; transition: color 0.2s ease; }
.file-row:hover .icon { color: var(--accent-blue); }

.file-row .fcell {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ftype {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    padding: 0.125rem 0.375rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    text-transform: uppercase;
}

.file-act {
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    color: var(--text-dark);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-row:hover .file-act { opacity: 1; }

.file-row.selected {
    background: var(--accent-blue-dim);
}

.file-row.selected::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-blue);
}

.file-row.selected .icon,
.file-row.selected .file-act { color: var(--accent-blue); opacity: 1; }
.file-row.selected .fcell { color: var(--text-muted); }
.file-row.selected .ftype { border-color: rgba(59, 130, 246, 0.3); background: rgba(59, 130, 246, 0.05); color: var(--accent-blue); }

.file-empty {
    padding: 3rem 1rem;
    text-align: center;
}

/* Preview pane */

.preview-pane {
    width: 420px;
    flex-shrink: 0;
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.6);
}

.preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.preview-head .label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-dark);
    text-transform: uppercase;
    display: block;
}

.preview-head .fname {
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 500;
    margin-top: 0.25rem;
    display: block;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-stage {
    flex: 1;
    padding: 1rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.zoom-bar {
    position: absolute;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #1a1a1f;
    border: 1px solid var(--border-color);
    padding: 0.375rem 0.75rem;
    z-index: 10;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-main);
}

.zoom-bar .sep { width: 1px; height: 1rem; background: var(--border-color); }

.doc-sheet {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1 / 1.4;
    background: #fff;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

.doc-sheet .lines {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.doc-sheet .l {
    height: 8px;
    background: #f3f4f6;
}

.doc-sheet .l.head {
    height: 24px;
    width: 75%;
    background: #e5e7eb;
    margin-bottom: 0.5rem;
}

.doc-sheet .l.sub {
    height: 16px;
    width: 50%;
    background: #e5e7eb;
    margin-top: 1rem;
}

.doc-stamp {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    width: 4rem;
    height: 4rem;
    border: 2px solid rgba(239, 68, 68, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-15deg);
    color: rgba(239, 68, 68, 0.25);
    font-weight: 700;
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    line-height: 1.1;
}

.preview-meta {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-shrink: 0;
    background: rgba(10, 10, 14, 0.5);
}

.meta-rows {
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
}

.meta-rows div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--border-color);
}

.meta-rows dt, .meta-rows .k {
    color: var(--text-dark);
    text-transform: uppercase;
    flex-shrink: 0;
}

.meta-rows dd, .meta-rows .v {
    color: var(--text-main);
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.btn-blue {
    flex: 1;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 0.625rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.2s ease;
}

.btn-blue:hover { background: #2563eb; }

.preview-actions .btn-ghost { flex: 1; justify-content: center; }

@media (max-width: 1100px) {
    .pinned-grid { grid-template-columns: repeat(2, 1fr); }
    .preview-pane { width: 340px; }
}

@media (max-width: 900px) {
    .archive-body, .archive-body .archive-shell { overflow: visible; }
    .archive-shell { height: auto; min-height: 100vh; }
    .archive-main { flex-direction: column; overflow: visible; }
    .file-pane { overflow: visible; }
    .file-scroll { overflow: visible; }
    .preview-pane {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    .file-grid { grid-template-columns: minmax(0, 2fr) 70px 100px 40px; }
    .file-grid .col-updated, .file-grid .col-size { display: none; }
}

@media (max-width: 560px) {
    .archive-shell { padding: 1rem; }
    .pinned-grid { grid-template-columns: 1fr; }
    .file-grid { grid-template-columns: minmax(0, 1fr) 60px 32px; }
    .file-grid .col-section { display: none; }
    .archive-title-row h1 { font-size: 1.75rem; }
}

/* Honeypot field — hidden from people, visible to naive bots. */
.form-trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------------------------------------------------------------------------
   Results archive — the stat strip, leaderboard table, and note cards used by
   ctf-archive.html. Built from the same tokens as the rest of the site so a
   results page reads as part of the archive rather than a bolted-on report.
   --------------------------------------------------------------------------- */

.stat-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
    margin-bottom: 4rem;
}

.stat-cell {
    background: var(--bg-surface);
    padding: 1.75rem 1.5rem;
}

.stat-cell .stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
}

.stat-cell .stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-cell--accent .stat-value { color: var(--accent-blue); }

.results-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.results-table caption {
    caption-side: top;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-bottom: 0.9rem;
}

.results-table th,
.results-table td {
    padding: 0.95rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table thead th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 400;
    background: var(--bg-surface);
}

.results-table tbody tr:hover { background: var(--bg-surface); }
.results-table tbody tr:last-child td { border-bottom: none; }

.results-table .col-rank {
    font-family: var(--font-mono);
    color: var(--text-muted);
    width: 5.5rem;
}

.results-table .col-score {
    font-family: var(--font-mono);
    text-align: right;
    white-space: nowrap;
}

.results-table .team-name {
    font-family: var(--font-display);
    font-size: 1.05rem;
}

.results-table tbody tr.is-podium .team-name { color: var(--accent-blue); }

.table-scroll { overflow-x: auto; }

.note-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.note-card {
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    padding: 1.75rem;
}

.note-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.85rem;
}

.note-card p { color: var(--text-muted); line-height: 1.65; }

.note-card ul {
    list-style: none;
    margin-top: 1rem;
    display: grid;
    gap: 0.55rem;
}

.note-card li {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 0.55rem;
}

.note-card li span:last-child {
    color: var(--text-main);
    min-width: 0;
    overflow-wrap: anywhere;
    text-align: right;
}

.collaboration-intro {
    margin-bottom: 1.5rem;
}

.collaboration-intro h3 {
    max-width: 760px;
    margin-top: 0.65rem;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.collaboration-intro > p:not(.mono-meta) {
    max-width: 820px;
}

.collaboration-timeline {
    margin-top: 1.5rem;
}