/* ============================================================
   GRAVITY LABS — design system, second cut
   Heritage finance meets the celestial atlas.
   Ivory paper · warm charcoal · one oxblood accent
   Type: Libre Caslon Display & Text throughout
   Marks: hairline orbital engravings
   ============================================================ */

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

:root {
    --paper: #FBFAF6;
    --paper-bright: #FFFFFF;
    --charcoal: #26241F;
    --ink-soft: #57534A;
    --oxblood: #6E2A33;
    --oxblood-deep: #54202A;
    --hairline: rgba(38, 36, 31, 0.16);
    --hairline-strong: rgba(38, 36, 31, 0.34);
    --plate: #26241F;
    --font-display: 'Libre Caslon Display', 'Times New Roman', serif;
    --font-text: 'Libre Caslon Text', Georgia, serif;
    --pad-x: clamp(24px, 7vw, 110px);
    --orbit-mark: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400' fill='none'><ellipse cx='200' cy='200' rx='190' ry='118' stroke='%2326241F' stroke-opacity='0.28'/><ellipse cx='200' cy='200' rx='148' ry='172' stroke='%2326241F' stroke-opacity='0.22' transform='rotate(24 200 200)'/><ellipse cx='200' cy='200' rx='98' ry='58' stroke='%2326241F' stroke-opacity='0.3' stroke-dasharray='2 7' transform='rotate(-16 200 200)'/><circle cx='200' cy='200' r='4.5' fill='%2326241F' fill-opacity='0.6'/><circle cx='390' cy='200' r='4' fill='%236E2A33'/><circle cx='269' cy='45' r='3' fill='%2326241F' fill-opacity='0.5'/><circle cx='110' cy='235' r='2.5' fill='%2326241F' fill-opacity='0.45'/></svg>");
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    background-color: var(--paper);
    color: var(--charcoal);
    font-size: 17px;
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--oxblood);
    color: var(--paper);
}

img {
    max-width: 100%;
}

a {
    color: var(--charcoal);
    text-decoration: none;
    transition: color 0.3s ease, border-color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
}

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

/* Prose links — hairline underline, warming to oxblood */
.writing-entry p a,
.portfolio-content a,
.bio-content p a,
.model-intro a:not(.read-more) {
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 1px;
}

.writing-entry p a:hover,
.portfolio-content a:hover,
.bio-content p a:hover,
.model-intro a:not(.read-more):hover {
    color: var(--oxblood);
    border-bottom-color: var(--oxblood);
}

/* ============================================================
   Header & navigation
   ============================================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px var(--pad-x);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(251, 250, 246, 0.94);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--hairline);
}

.logo {
    font-family: var(--font-display);
    font-size: 21px;
    letter-spacing: 0.02em;
    color: var(--charcoal);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

/* The small orbit: one ring, one node */
.logo::before {
    content: '';
    width: 15px;
    height: 15px;
    border: 1px solid var(--charcoal);
    border-radius: 50%;
    background: radial-gradient(circle at 76% 22%, var(--oxblood) 2.2px, transparent 2.8px);
    transition: transform 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.logo:hover::before {
    transform: rotate(360deg);
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
}

nav a:hover {
    color: var(--oxblood);
}

nav a.active {
    color: var(--charcoal);
    border-bottom-color: var(--oxblood);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    width: 26px;
    height: 22px;
    cursor: pointer;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--charcoal);
    transition: all 0.35s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile menu — ivory, serif, unhurried */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background-color: var(--paper);
    z-index: 99;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 var(--pad-x);
    gap: 14px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.45s ease, visibility 0.45s ease;
}

.mobile-menu::after {
    content: '';
    position: absolute;
    right: -16vw;
    bottom: -10vh;
    width: 70vw;
    aspect-ratio: 1;
    background: var(--orbit-mark) center / contain no-repeat;
    opacity: 0.5;
    pointer-events: none;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: clamp(32px, 8vw, 52px);
    line-height: 1.2;
    color: var(--charcoal);
    transform: translateY(18px);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.6s ease, color 0.3s ease;
}

.mobile-menu.active a {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active a:nth-child(1) { transition-delay: 0.06s; }
.mobile-menu.active a:nth-child(2) { transition-delay: 0.11s; }
.mobile-menu.active a:nth-child(3) { transition-delay: 0.16s; }
.mobile-menu.active a:nth-child(4) { transition-delay: 0.21s; }
.mobile-menu.active a:nth-child(5) { transition-delay: 0.26s; }
.mobile-menu.active a:nth-child(6) { transition-delay: 0.31s; }
.mobile-menu.active a:nth-child(7) { transition-delay: 0.36s; }

.mobile-menu a:hover {
    color: var(--oxblood);
    font-style: italic;
}

/* ============================================================
   Sections & the engraved watermark
   ============================================================ */
section {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(130px, 17vh, 210px) var(--pad-x) clamp(100px, 13vh, 170px);
    max-width: 1480px;
    margin: 0 auto;
}

/* One orbital plate per page, drifting in the upper margin */
section::before {
    content: '';
    position: absolute;
    z-index: -1;
    width: clamp(300px, 44vw, 620px);
    aspect-ratio: 1;
    background: var(--orbit-mark) center / contain no-repeat;
    top: 30px;
    right: calc(-1 * clamp(60px, 10vw, 160px));
    opacity: 0.85;
    pointer-events: none;
}

#about::before     { transform: rotate(8deg); }
#people::before    { transform: rotate(-12deg); top: 60px; }
#portfolio::before { transform: rotate(16deg); }
#jobs::before      { transform: rotate(-6deg); }
#job-detail::before{ transform: rotate(10deg); opacity: 0.6; }
#collaborate::before { transform: rotate(-14deg); }
#writing::before   { transform: rotate(6deg); }
#home::before      { display: none; }

/* ============================================================
   Type scale — engraved, not shouted
   ============================================================ */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 30px;
}

.section-label::before {
    content: '';
    width: 14px;
    height: 14px;
    border: 1px solid var(--charcoal);
    border-radius: 50%;
    background: radial-gradient(circle at 76% 22%, var(--oxblood) 2px, transparent 2.6px);
    flex-shrink: 0;
}

h1 {
    font-family: var(--font-display);
    font-size: clamp(44px, 6.4vw, 92px);
    font-weight: 400;
    letter-spacing: -0.005em;
    line-height: 1.06;
    margin-bottom: 44px;
    color: var(--charcoal);
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(40px, 5.6vw, 78px);
    font-weight: 400;
    letter-spacing: -0.005em;
    line-height: 1.06;
    margin-bottom: 38px;
    color: var(--charcoal);
    max-width: 18ch;
}

h3 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.15;
}

p {
    font-size: 17px;
    line-height: 1.75;
    color: var(--ink-soft);
    max-width: 660px;
    margin-bottom: 26px;
}

p.large {
    font-size: clamp(19px, 2vw, 24px);
    line-height: 1.6;
    color: var(--charcoal);
    max-width: 760px;
}

.section-intro {
    font-size: clamp(19px, 2vw, 24px);
    line-height: 1.6;
    color: var(--charcoal);
    max-width: 760px;
}

.article-meta {
    display: inline-block;
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 30px;
}

/* ============================================================
   Motion — soft fades only
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
    transition-delay: var(--reveal-delay, 0s);
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

@keyframes soft-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ============================================================
   Buttons
   ============================================================ */
.cta-button,
.contact-link {
    display: inline-block;
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--charcoal);
    background: transparent;
    border: 1px solid var(--charcoal);
    padding: 18px 40px;
    margin-top: 28px;
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

.cta-button:hover,
.contact-link:hover {
    background: var(--oxblood);
    border-color: var(--oxblood);
    color: var(--paper);
}

.read-more {
    display: inline-block;
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--oxblood);
    border-bottom: 1px solid transparent;
    padding-bottom: 3px;
}

.read-more:hover {
    border-bottom-color: var(--oxblood);
}

/* ============================================================
   Home
   ============================================================ */
#home {
    padding-top: clamp(100px, 14vh, 170px);
}

#home h1 {
    max-width: 15ch;
}

.home-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(40px, 5vw, 72px);
    margin-top: clamp(100px, 14vh, 170px);
}

.feature {
    border-top: 1px solid var(--hairline-strong);
    padding-top: 32px;
    display: flex;
    flex-direction: column;
}

.feature h3 {
    font-size: clamp(22px, 2.1vw, 27px);
    margin-bottom: 18px;
}

.feature p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 0;
}

.stat-blocks {
    display: flex;
    gap: 48px;
    margin-top: auto;
    padding-top: 36px;
}

.stat-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: clamp(38px, 3.6vw, 52px);
    line-height: 1;
    color: var(--oxblood);
}

.stat-label {
    font-family: var(--font-text);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

/* Advisor logos — JPGs cut for a dark ground, mounted on a charcoal plate */
.advisor-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 26px 34px;
    background: #000;
    padding: 36px;
    margin-top: 36px;
}

.feature .advisor-logos {
    margin-top: auto;
    padding: 28px;
}

.advisor-logos img {
    height: 32px;
    display: block;
    opacity: 0.92;
    transition: opacity 0.3s ease;
}

.advisor-logos img:hover {
    opacity: 1;
}

.feature .advisor-logos img {
    height: 28px;
}

/* ============================================================
   About — values & model
   ============================================================ */
.values-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 64px clamp(48px, 6vw, 88px);
    margin-top: 72px;
}

.value {
    border-top: 1px solid var(--hairline-strong);
    padding-top: 30px;
}

.value h3 {
    font-family: var(--font-display);
    font-size: clamp(20px, 1.9vw, 24px);
    line-height: 1.35;
    margin-bottom: 16px;
    color: var(--charcoal);
}

.value-number {
    font-family: var(--font-text);
    font-size: 13px;
    letter-spacing: 0.14em;
    color: var(--oxblood);
}

.value p {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 0;
}

/* Shared sub-section blocks (about, jobs, job detail) */
.model-section {
    margin-top: clamp(96px, 12vh, 150px);
}

.model-section h3,
.collab-section h3,
.advisor-section h3,
.focus-areas h3,
.stealth-section h3,
.portfolio-highlight > h3 {
    font-size: clamp(28px, 3.4vw, 44px);
    margin-bottom: 24px;
    color: var(--charcoal);
}

.model-intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--ink-soft);
    max-width: 700px;
    margin-bottom: 52px;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 56px clamp(48px, 6vw, 88px);
}

#press .model-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    max-width: 760px;
}

.model-item {
    border-top: 1px solid var(--hairline);
    padding-top: 26px;
}

.model-item h4 {
    font-family: var(--font-display);
    font-size: clamp(19px, 1.8vw, 23px);
    font-weight: 400;
    margin-bottom: 14px;
    color: var(--charcoal);
}

.model-item h4 a:hover {
    color: var(--oxblood);
}

.model-item p {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 0;
}

.model-item .article-meta {
    margin-bottom: 14px;
}

/* ============================================================
   People — bios, studio team, agents, advisors
   ============================================================ */
.team-bios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px clamp(48px, 6vw, 88px);
    margin-top: 80px;
}

.bio {
    border-top: 1px solid var(--hairline-strong);
    padding-top: 36px;
}

.bio-header {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-bottom: 28px;
}

/* Mounted-plate portrait: keyline, mat, archival grayscale */
.bio-photo {
    width: 108px;
    height: 108px;
    object-fit: cover;
    object-position: center top;
    flex-shrink: 0;
    border: 1px solid var(--hairline-strong);
    padding: 5px;
    background: var(--paper-bright);
    filter: grayscale(1) contrast(1.02);
    transition: filter 0.8s ease;
}

.bio:hover .bio-photo {
    filter: grayscale(0) contrast(1);
}

.bio-header-text {
    min-width: 0;
}

.bio-header h3 {
    font-size: clamp(26px, 2.6vw, 34px);
    margin-bottom: 8px;
}

.bio-header .role {
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--oxblood);
}

.bio-content p {
    font-size: 16px;
    line-height: 1.75;
}

.bio-content p:last-of-type {
    margin-bottom: 30px;
}

.bio .social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
}

.bio .social-links a {
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}

.bio .social-links a:hover {
    color: var(--oxblood);
    border-bottom-color: var(--oxblood);
}

.other-staff-section {
    margin-top: clamp(96px, 12vh, 150px);
}

.other-staff-section h4 {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 400;
    margin: 0 0 8px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.other-staff-section h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--hairline);
}

.other-staff-section .staff-grid + h4 {
    margin-top: 88px;
}

.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0 clamp(36px, 4vw, 56px);
}

.staff-member {
    border-bottom: 1px solid var(--hairline);
    padding: 26px 0;
}

.staff-name {
    display: block;
    font-family: var(--font-display);
    font-size: 19px;
    color: var(--charcoal);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.staff-member:hover .staff-name {
    color: var(--oxblood);
}

.staff-role {
    display: block;
    font-family: var(--font-text);
    font-size: 11.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.staff-bio {
    font-size: 14px;
    color: var(--ink-soft);
    margin: 10px 0 0;
}

.staff-member .social-links {
    display: flex;
    gap: 16px;
    margin-top: 14px;
}

.staff-member .social-links a {
    color: var(--ink-soft);
    line-height: 0;
    opacity: 0.75;
}

.staff-member .social-links a:hover {
    color: var(--oxblood);
    opacity: 1;
}

.social-icon {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

/* AI agents */
.staff-member.agent .staff-name {
    display: flex;
    align-items: center;
    gap: 9px;
}

.agent-spark {
    width: 13px;
    height: 13px;
    fill: var(--oxblood);
    transition: transform 0.8s ease;
}

.staff-member.agent:hover .agent-spark {
    transform: rotate(180deg);
}

.agent-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-text);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    padding: 4px 12px;
    margin-top: 12px;
}

.agent-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--oxblood);
    animation: soft-pulse 2.6s ease-in-out infinite;
}

/* Info tip */
.info-tip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 21px;
    height: 21px;
    font-family: var(--font-text);
    font-size: 12px;
    color: var(--ink-soft);
    border: 1px solid var(--hairline-strong);
    border-radius: 50%;
    cursor: help;
    vertical-align: middle;
    letter-spacing: 0;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.info-tip:hover,
.info-tip:focus-visible {
    color: var(--oxblood);
    border-color: var(--oxblood);
}

.info-bubble {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    width: 250px;
    background: var(--charcoal);
    color: var(--paper);
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.01em;
    text-transform: none;
    line-height: 1.6;
    padding: 13px 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 10;
    pointer-events: none;
}

.info-bubble::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 9px;
    height: 9px;
    background: var(--charcoal);
    margin-top: -5px;
}

.info-tip:hover .info-bubble,
.info-tip:focus-visible .info-bubble {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.advisor-section {
    margin-top: clamp(96px, 12vh, 150px);
}

.advisor-section p {
    max-width: 720px;
}

/* ============================================================
   Portfolio
   ============================================================ */
.focus-areas {
    margin-top: 80px;
    max-width: 760px;
}

.focus-areas p:last-child {
    margin-bottom: 0;
}

.portfolio-highlight {
    margin-top: clamp(96px, 12vh, 150px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 72px clamp(48px, 6vw, 88px);
}

.portfolio-item {
    border-top: 1px solid var(--hairline-strong);
    padding-top: 32px;
}

.portfolio-header {
    margin-bottom: 22px;
}

.portfolio-header h4 {
    font-family: var(--font-display);
    font-size: clamp(28px, 2.8vw, 38px);
    font-weight: 400;
    margin-bottom: 10px;
}

.portfolio-header h4 a:hover {
    color: var(--oxblood);
}

.portfolio-tagline {
    display: block;
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--oxblood);
}

.portfolio-content p {
    font-size: 16px;
    line-height: 1.75;
}

.portfolio-content p:last-child {
    margin-bottom: 0;
}

.stealth-section {
    margin-top: clamp(96px, 12vh, 150px);
}

.stealth-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(36px, 4vw, 56px);
    margin-top: 12px;
}

.stealth-item {
    border-bottom: 1px solid var(--hairline);
    padding: 28px 0;
}

.stealth-category {
    display: block;
    font-family: var(--font-text);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 10px;
}

.stealth-item p {
    font-family: var(--font-display);
    font-size: 19px;
    line-height: 1.4;
    color: var(--charcoal);
    margin-bottom: 0;
}

/* Legacy portfolio status bits */
.portfolio-status {
    margin-top: 16px;
}

.status-label {
    font-family: var(--font-text);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--oxblood);
}

.status-detail {
    font-family: var(--font-text);
    font-size: 13px;
    color: var(--ink-soft);
    margin-left: 10px;
}

/* ============================================================
   Jobs & job detail
   ============================================================ */
#job-detail h2 {
    max-width: none;
}

#job-detail .section-intro {
    margin-top: 4px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 56px clamp(48px, 6vw, 88px);
}

.focus-intro {
    max-width: 720px;
    margin-bottom: 52px;
    color: var(--ink-soft);
}

.focus-category h4 {
    font-family: var(--font-text);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 22px;
}

.focus-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 700px;
}

.focus-category li {
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink-soft);
    padding-left: 24px;
    position: relative;
    margin-bottom: 16px;
}

/* Orbital node as list marker */
.focus-category li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--oxblood);
}

.focus-category li strong {
    color: var(--charcoal);
    font-weight: 700;
}

/* ============================================================
   Collaborate
   ============================================================ */
.collab-section {
    margin-top: clamp(96px, 12vh, 150px);
}

.collab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px clamp(36px, 4vw, 64px);
}

.collab-item {
    border-top: 1px solid var(--hairline);
    padding-top: 26px;
}

.collab-item h4 {
    font-family: var(--font-display);
    font-size: clamp(19px, 1.8vw, 23px);
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--charcoal);
}

.collab-item p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 0;
}

.why-reach-out {
    margin-bottom: 40px;
}

.reach-out-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px clamp(48px, 6vw, 88px);
}

.reach-out-item {
    border-top: 1px solid var(--hairline);
    padding-top: 26px;
}

.reach-out-number {
    display: block;
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--oxblood);
    margin-bottom: 12px;
}

.reach-out-item h4 {
    font-family: var(--font-display);
    font-size: clamp(20px, 1.9vw, 24px);
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--charcoal);
}

.reach-out-item p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ============================================================
   Research
   ============================================================ */
.research-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(36px, 4vw, 64px);
    margin-top: 72px;
}

.research-nav-item {
    position: relative;
    border-top: 1px solid var(--hairline-strong);
    padding: 30px 0 64px;
}

.research-nav-number {
    display: block;
    font-family: var(--font-text);
    font-size: 13px;
    letter-spacing: 0.18em;
    color: var(--oxblood);
    margin-bottom: 16px;
}

.research-nav-title {
    font-size: clamp(22px, 2.1vw, 27px);
    color: var(--charcoal);
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.research-nav-item:hover .research-nav-title {
    color: var(--oxblood);
}

.research-nav-desc {
    font-size: 15px;
    line-height: 1.65;
    color: var(--ink-soft);
    margin-bottom: 0;
}

.research-nav-arrow {
    position: absolute;
    bottom: 22px;
    left: 0;
    font-size: 20px;
    color: var(--oxblood);
    transition: transform 0.4s ease;
}

.research-nav-item:hover .research-nav-arrow {
    transform: translateY(5px);
}

.research-sections {
    margin-top: clamp(96px, 12vh, 150px);
}

.research-block {
    margin-top: clamp(96px, 12vh, 140px);
    scroll-margin-top: 110px;
}

.research-block:first-child {
    margin-top: 0;
}

.research-block-header {
    display: flex;
    align-items: baseline;
    gap: 22px;
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 20px;
    margin-bottom: 10px;
}

.research-block-number {
    font-family: var(--font-text);
    font-size: 14px;
    letter-spacing: 0.18em;
    color: var(--oxblood);
}

.research-block-header h3 {
    font-size: clamp(28px, 3.4vw, 44px);
    color: var(--charcoal);
}

.research-block-content {
    display: block;
}

.writing-entry {
    padding: 40px 0;
    border-bottom: 1px solid var(--hairline);
}

.writing-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.writing-entry-title {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.3vw, 30px);
    line-height: 1.25;
    color: var(--charcoal);
    transition: color 0.3s ease;
}

.writing-entry-title:hover {
    color: var(--oxblood);
}

.writing-entry-meta {
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
    display: block;
    margin: 14px 0 16px;
}

.writing-entry-meta .meta-link {
    color: inherit;
    border-bottom: 1px solid var(--hairline-strong);
}

.writing-entry-meta .meta-link:hover {
    color: var(--oxblood);
    border-bottom-color: var(--oxblood);
}

.writing-entry p {
    font-size: 16px;
    line-height: 1.75;
    max-width: 760px;
    margin-bottom: 0;
}

/* Legacy tool-link list styling */
.tool-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--hairline);
    color: var(--charcoal);
}

.tool-link:hover .tool-name,
.tool-link:hover .tool-arrow {
    color: var(--oxblood);
}

.tool-link-sub {
    padding-left: 24px;
}

.tool-name {
    font-family: var(--font-display);
    font-size: 17px;
    transition: color 0.3s ease;
}

.tool-arrow {
    font-size: 16px;
    transition: color 0.3s ease;
}

.tool-author {
    font-family: var(--font-text);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    flex-shrink: 0;
    margin-left: 24px;
}

/* Legacy generic grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 48px;
    margin-top: 48px;
}

.grid-item h3 {
    font-size: 21px;
    margin-bottom: 8px;
}

.grid-item .role,
.grid-item .category {
    font-family: var(--font-text);
    font-size: 11.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

/* ============================================================
   Footer — certificate rule, small orbit, centered colophon
   ============================================================ */
footer {
    position: relative;
    border-top: 1px solid var(--hairline-strong);
    padding: 72px var(--pad-x) 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    text-align: center;
}

/* The second line of the double rule */
footer::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--hairline);
}

footer::before {
    content: '';
    width: 64px;
    height: 64px;
    background: var(--orbit-mark) center / contain no-repeat;
}

footer .copyright {
    font-family: var(--font-text);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

footer nav {
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

footer nav a {
    font-size: 11px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .home-features {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .stat-blocks {
        margin-top: 32px;
    }

    .feature .advisor-logos {
        margin-top: 32px;
    }
}

@media (max-width: 960px) {
    .portfolio-grid,
    .team-bios,
    .research-nav,
    .collab-grid {
        grid-template-columns: 1fr;
    }

    .research-nav {
        gap: 0;
    }

    .research-nav-item {
        padding-bottom: 56px;
    }

    .stealth-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header {
        padding: 16px 24px;
    }

    header nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    section {
        padding: 120px 24px 80px;
    }

    #home {
        padding-top: 96px;
    }

    section::before {
        width: 70vw;
        opacity: 0.55;
        top: 10px;
    }

    .values-list,
    .model-grid,
    .focus-grid,
    .reach-out-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .model-section,
    .collab-section,
    .other-staff-section,
    .advisor-section,
    .portfolio-highlight,
    .stealth-section,
    .research-sections {
        margin-top: 80px;
    }

    .research-block {
        margin-top: 80px;
    }

    .team-bios {
        gap: 64px;
        margin-top: 56px;
    }

    .bio-photo {
        width: 92px;
        height: 92px;
    }

    .stat-blocks {
        gap: 32px;
        flex-wrap: wrap;
    }

    .advisor-logos {
        gap: 20px 26px;
        padding: 28px;
    }

    .advisor-logos img {
        height: 26px;
    }

    footer {
        padding: 60px 24px 48px;
    }
}

@media (max-width: 560px) {
    .stealth-grid {
        grid-template-columns: 1fr;
    }

    .bio-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

/* ============================================================
   Reduced motion — the page simply is
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .mobile-menu a {
        transform: none;
        opacity: 1;
    }
}