@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;0,800;1,500&display=swap');

:root {
    --lum-paper: #faf6ee;
    --lum-paper-deep: #efe7d8;
    --lum-ink: #29231e;
    --lum-muted: #746a5e;
    --lum-faint: #a89d8d;
    --lum-line: #dcd2c1;
    --lum-blue: #3195d2;
    --lum-blue-dark: #2856a4;
    --lum-cyan: #6cc8e8;
    --lum-yellow: #ffdf43;
    --lum-orange: #f46200;
    --lum-red: #d80000;
    --lum-purple: #922d90;
    --lum-green: #4caf50;
    --lum-stop: #8e5bd1;
    --lum-shadow: 0 24px 70px rgba(42, 34, 27, 0.15);
}

body.luminate-site {
    background: var(--lum-paper);
    color: var(--lum-ink);
    font-family: "DM Sans", sans-serif;
    line-height: 1.55;
    overflow-x: hidden;
}

.luminate-site a { color: inherit; }

.lum-wrap {
    width: min(1180px, calc(100% - 48px));
    margin-inline: auto;
}

.lum-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(41, 35, 30, 0.1);
    background: rgba(250, 246, 238, 0.88);
    backdrop-filter: blur(18px);
}

.lum-header .lum-wrap {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.lum-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    font-family: "Playfair Display", serif;
    font-weight: 700;
    font-size: 1.15rem;
}

.lum-brand img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
}

.lum-nav {
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 28px);
}

.lum-nav a {
    text-decoration: none;
    color: var(--lum-muted);
    font-size: 0.84rem;
    font-weight: 600;
}

.lum-nav a:hover { color: var(--lum-ink); }

.lum-nav .nav-pill {
    color: #fff;
    background: var(--lum-ink);
    padding: 9px 16px;
    border-radius: 999px;
}

.lum-hero {
    min-height: 780px;
    display: grid;
    align-items: center;
    position: relative;
    isolation: isolate;
    border-bottom: 1px solid var(--lum-line);
    overflow: hidden;
}

.lum-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at 78% 26%, rgba(108, 200, 232, 0.38), transparent 27%),
        radial-gradient(circle at 93% 68%, rgba(255, 223, 67, 0.23), transparent 24%),
        linear-gradient(120deg, var(--lum-paper) 45%, #f4eee2);
}

.lum-hero::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -180px;
    top: -170px;
    border: 1px solid rgba(49, 149, 210, 0.25);
    border-radius: 50%;
    box-shadow:
        0 0 0 74px rgba(49, 149, 210, 0.05),
        0 0 0 148px rgba(49, 149, 210, 0.03);
    z-index: -1;
}

.lum-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
    gap: 44px;
    align-items: center;
    padding: 78px 0 92px;
}

.lum-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--lum-blue-dark);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.lum-kicker::before {
    content: "";
    width: 32px;
    height: 2px;
    background: var(--lum-blue);
}

.lum-hero h1,
.research-hero h1 {
    font-family: "Playfair Display", serif;
    font-weight: 700;
    font-size: clamp(3.7rem, 7vw, 6.9rem);
    letter-spacing: -0.055em;
    line-height: 0.91;
    margin: 22px 0 26px;
}

.lum-hero h1 em,
.research-hero h1 em {
    color: var(--lum-blue-dark);
    font-weight: 500;
}

.lum-lede {
    max-width: 590px;
    color: var(--lum-muted);
    font-family: "Playfair Display", serif;
    font-size: clamp(1.22rem, 2vw, 1.55rem);
    line-height: 1.48;
}

.lum-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 34px;
}

.lum-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid var(--lum-ink);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.lum-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(41, 35, 30, 0.12);
}

.lum-button.primary {
    color: #fff;
    background: var(--lum-ink);
}

.lum-button.secondary { background: rgba(255, 255, 255, 0.45); }
.lum-button.blue { color: #fff; background: var(--lum-blue-dark); border-color: var(--lum-blue-dark); }

.lum-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 30px;
    color: var(--lum-muted);
    font-size: 0.78rem;
}

.lum-proof span::before {
    content: "●";
    margin-right: 7px;
    color: var(--lum-blue);
    font-size: 0.6rem;
    vertical-align: 0.1em;
}

.hero-phones {
    min-height: 600px;
    position: relative;
}

.product-phone {
    position: absolute;
    width: 252px;
    aspect-ratio: 393 / 852;
    border: 8px solid #181512;
    border-radius: 42px;
    background: var(--lum-paper);
    overflow: hidden;
    box-shadow: var(--lum-shadow);
}

.product-phone::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 50%;
    translate: -50% 0;
    width: 76px;
    height: 21px;
    border-radius: 20px;
    background: #181512;
    z-index: 5;
}

.product-phone.timeline {
    left: 2%;
    top: 14%;
    transform: rotate(-7deg);
}

.product-phone.insights {
    left: 38%;
    top: 2%;
    z-index: 3;
}

.product-phone.ask {
    right: -1%;
    top: 18%;
    transform: rotate(7deg);
}

.phone-screen {
    height: 100%;
    padding: 46px 14px 22px;
    background:
        linear-gradient(rgba(255,255,255,0.18), rgba(255,255,255,0)),
        var(--lum-paper);
    font-size: 10px;
}

.mock-label {
    color: var(--lum-faint);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.mock-title {
    margin: 3px 0 12px;
    font-family: "Playfair Display", serif;
    font-size: 23px;
    line-height: 1;
}

.mock-card {
    border: 1px solid var(--lum-line);
    border-radius: 12px;
    background: rgba(255,255,255,0.65);
}

.mock-map {
    height: 112px;
    overflow: hidden;
    position: relative;
    background:
        repeating-linear-gradient(90deg, transparent 0 32px, rgba(168,157,141,.13) 32px 33px),
        repeating-linear-gradient(0deg, transparent 0 26px, rgba(168,157,141,.13) 26px 27px),
        #ede8de;
}

.mock-map svg { width: 100%; height: 100%; }

.mock-overall { padding: 10px; margin-bottom: 10px; }
.mock-chip-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 7px; }
.mock-chip { padding: 5px 1px; border-radius: 99px; text-align: center; font-size: 6px; font-weight: 700; }

.mock-timeline { margin-top: 10px; display: grid; gap: 5px; }
.mock-row { display: grid; grid-template-columns: 25px 8px 1fr; gap: 6px; min-height: 56px; }
.mock-time { color: var(--lum-faint); font-size: 6px; display: flex; flex-direction: column; justify-content: space-between; text-align: right; }
.mock-spine { display: flex; flex-direction: column; align-items: center; }
.mock-spine i { width: 2px; flex: 1; opacity: 0.45; }
.mock-spine b { width: 8px; height: 8px; margin: 3px 0; border-radius: 50%; flex: none; }
.mock-row-body { padding: 4px 0; }
.mock-row-head { display: flex; justify-content: space-between; font-weight: 700; font-size: 8px; }
.mock-row-head small { color: var(--lum-faint); font-weight: 500; }

.mock-range { display: flex; gap: 4px; margin-bottom: 10px; }
.mock-range span { flex: 1; padding: 5px 0; border: 1px solid var(--lum-line); border-radius: 99px; text-align: center; font-size: 6px; }
.mock-range .on { color: #fff; background: var(--lum-ink); }
.mock-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin: 9px 0; }
.mock-stat { padding: 9px; }
.mock-stat strong { font-family: "Playfair Display", serif; font-size: 19px; display: block; }
.mock-ledger { display: grid; gap: 1px; }
.mock-ledger-row { display: grid; grid-template-columns: 22px 1fr auto; gap: 6px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--lum-line); }
.mock-glyph { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700; }
.mock-ledger-row strong { display: block; font-size: 8px; }
.mock-ledger-row small { color: var(--lum-faint); font-size: 6px; }
.mock-value { font-family: "Playfair Display", serif; font-size: 14px; font-weight: 700; }

.mock-chat { display: flex; flex-direction: column; gap: 9px; margin-top: 18px; }
.mock-bubble { max-width: 88%; padding: 10px; border-radius: 13px; line-height: 1.4; }
.mock-bubble.user { align-self: flex-end; color: #fff; background: var(--lum-ink); border-bottom-right-radius: 3px; font-family: "Playfair Display", serif; font-style: italic; }
.mock-bubble.bot { background: #fff; border: 1px solid var(--lum-line); border-bottom-left-radius: 3px; }
.mock-bubble.bot strong { display: block; font-family: "Playfair Display", serif; font-size: 21px; margin: 4px 0; }
.mock-prompt { position: absolute; left: 14px; right: 14px; bottom: 18px; border: 1px solid var(--lum-line); background: #fff; border-radius: 99px; padding: 9px 12px; color: var(--lum-faint); }

.lum-band {
    background: var(--lum-ink);
    color: var(--lum-paper);
}

.lum-band .lum-wrap {
    min-height: 124px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: center;
}

.band-item {
    min-height: 64px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-right: 1px solid rgba(255,255,255,0.17);
}

.band-item:first-child { padding-left: 0; }
.band-item:last-child { border-right: 0; }
.band-item strong { font-family: "Playfair Display", serif; font-size: 1.45rem; line-height: 1.1; }
.band-item span { display: block; margin-top: 5px; color: rgba(250,246,238,0.64); font-size: 0.75rem; }

.lum-section {
    padding: clamp(78px, 10vw, 132px) 0;
    border-bottom: 1px solid var(--lum-line);
}

.lum-section.white { background: #fffdf8; }
.lum-section.dark { color: var(--lum-paper); background: var(--lum-ink); }
.research-section.white { background: #fffdf8; }
.research-section.dark { color: var(--lum-paper); background: var(--lum-ink); }
.lum-section.blueprint {
    background:
        linear-gradient(rgba(49,149,210,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(49,149,210,.08) 1px, transparent 1px),
        #f2eee5;
    background-size: 32px 32px;
}

.section-intro {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 64px;
    align-items: start;
    margin-bottom: 64px;
}

.section-number {
    color: var(--lum-blue-dark);
    font: 500 0.75rem "DM Mono", monospace;
    letter-spacing: 0.14em;
}

.section-intro h2,
.research-section h2 {
    font-family: "Playfair Display", serif;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    line-height: 1;
    letter-spacing: -0.045em;
    max-width: 760px;
}

.section-intro p {
    color: var(--lum-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin-top: 22px;
}

.dark .section-intro p { color: rgba(250,246,238,0.66); }
.dark .section-number { color: var(--lum-cyan); }

.story-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.story-card {
    min-height: 330px;
    border: 1px solid var(--lum-line);
    border-radius: 22px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    background: rgba(255,255,255,0.68);
}

.story-card.featured {
    color: #fff;
    background: var(--lum-blue-dark);
    border-color: var(--lum-blue-dark);
}

.story-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--lum-paper-deep);
    color: var(--lum-blue-dark);
    font: 500 1rem "DM Mono", monospace;
}

.featured .story-icon { color: #fff; background: rgba(255,255,255,0.14); }
.story-card h3 { margin-top: auto; font: 700 1.7rem/1.05 "Playfair Display", serif; }
.story-card p { margin-top: 13px; color: var(--lum-muted); font-size: 0.92rem; }
.story-card.featured p { color: rgba(255,255,255,0.72); }

.chapter {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 78px;
    align-items: center;
    padding: 58px 0;
}

.chapter + .chapter { border-top: 1px solid var(--lum-line); }
.chapter:nth-child(even) .chapter-copy { order: 2; }
.chapter:nth-child(even) .chapter-visual { order: 1; }
.chapter-tag { color: var(--lum-blue-dark); font: 500 0.72rem "DM Mono", monospace; text-transform: uppercase; letter-spacing: 0.12em; }
.chapter h3 { margin: 14px 0 18px; font: 700 clamp(2.2rem, 4vw, 3.7rem)/1 "Playfair Display", serif; letter-spacing: -0.04em; }
.chapter p { color: var(--lum-muted); font-size: 1rem; max-width: 530px; }
.chapter-list { margin-top: 22px; display: grid; gap: 10px; }
.chapter-list li { list-style: none; color: var(--lum-muted); font-size: 0.9rem; }
.chapter-list li::before { content: "—"; color: var(--lum-blue-dark); margin-right: 9px; }

.chapter-visual {
    min-height: 370px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--lum-line);
    background: #f1ece2;
}

.chapter-visual img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.visual-crop img { position: absolute; width: 56%; height: auto; left: 22%; top: 24px; border-radius: 22px; box-shadow: var(--lum-shadow); }
.visual-crop { min-height: 490px; background: radial-gradient(circle at 50% 35%, rgba(108,200,232,.35), transparent 38%), #eae3d6; }

.insight-board {
    height: 100%;
    min-height: 400px;
    padding: 28px;
    background: var(--lum-paper);
}

.insight-board-head { display: flex; align-items: baseline; justify-content: space-between; }
.insight-board h4 { font: 700 2rem "Playfair Display", serif; }
.range-pills { display: flex; gap: 5px; }
.range-pills span { padding: 6px 10px; border: 1px solid var(--lum-line); border-radius: 99px; font-size: 0.68rem; }
.range-pills .on { color: #fff; background: var(--lum-ink); }
.big-trend { margin: 34px 0 24px; display: flex; align-items: end; gap: 14px; }
.big-trend strong { font: 700 4.6rem/0.8 "Playfair Display", serif; color: var(--lum-green); }
.big-trend span { color: var(--lum-muted); font-size: 0.8rem; }
.sparkline { width: 100%; height: 118px; }
.insight-questions { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
.insight-questions span { padding: 8px 12px; background: #fff; border: 1px solid var(--lum-line); border-radius: 99px; color: var(--lum-muted); font-size: 0.73rem; }

.under-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    border: 1px solid rgba(250,246,238,.18);
    background: rgba(250,246,238,.18);
}

.under-item {
    min-height: 260px;
    padding: 34px;
    background: var(--lum-ink);
}

.under-item span { color: var(--lum-cyan); font: 500 0.72rem "DM Mono", monospace; }
.under-item h3 { margin: 38px 0 12px; font: 600 1.7rem "Playfair Display", serif; }
.under-item p { color: rgba(250,246,238,.62); font-size: 0.9rem; }

.research-teaser {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 52px;
    align-items: end;
}

.research-teaser h2 { font: 700 clamp(3rem, 6vw, 5.7rem)/0.98 "Playfair Display", serif; letter-spacing: -0.05em; }
.research-teaser p { color: var(--lum-muted); margin: 20px 0 28px; max-width: 650px; }
.research-teaser-aside { border-left: 1px solid var(--lum-line); padding-left: 30px; }
.research-teaser-aside strong { display: block; font: 600 1.25rem "Playfair Display", serif; margin-bottom: 14px; }
.research-teaser-aside p { font-size: 0.88rem; margin: 0; }

.lum-privacy {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 72px;
    align-items: center;
}

.privacy-mark {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--lum-line);
    background: radial-gradient(circle, rgba(108,200,232,.25), transparent 64%);
}

.privacy-mark span { font: 500 clamp(4rem, 10vw, 8rem) "DM Mono", monospace; color: var(--lum-blue-dark); }
.lum-privacy h2 { font: 700 clamp(2.8rem, 5vw, 5rem)/0.98 "Playfair Display", serif; letter-spacing: -0.05em; }
.lum-privacy p { color: var(--lum-muted); margin: 22px 0 26px; max-width: 600px; }

.lum-footer {
    padding: 54px 0;
    color: var(--lum-paper);
    background: #171411;
}

.lum-footer .lum-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.lum-footer p { color: rgba(250,246,238,.55); font-size: 0.8rem; }
.lum-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.lum-footer a { color: rgba(250,246,238,.78); text-decoration: none; font-size: 0.82rem; }

/* Research page */
.research-hero {
    position: relative;
    min-height: 760px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--lum-line);
    background:
        radial-gradient(circle at 83% 20%, rgba(108,200,232,.35), transparent 25%),
        linear-gradient(105deg, var(--lum-paper) 58%, #ede6d8);
}

.research-hero-grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 64px;
    align-items: center;
    padding: 100px 0;
}

.research-hero h1 { font-size: clamp(3.7rem, 6.3vw, 6.4rem); }
.research-hero .lum-lede { font-size: 1.22rem; }

.signal-orbit {
    aspect-ratio: 1;
    position: relative;
    border-radius: 50%;
    border: 1px solid rgba(49,149,210,.28);
    box-shadow:
        0 0 0 48px rgba(49,149,210,.05),
        0 0 0 96px rgba(49,149,210,.03);
}

.signal-orbit::before,
.signal-orbit::after {
    content: "";
    position: absolute;
    inset: 17%;
    border: 1px solid rgba(49,149,210,.3);
    border-radius: 50%;
}

.signal-orbit::after { inset: 34%; background: var(--lum-blue-dark); border: 0; }
.signal-node { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: var(--node); box-shadow: 0 0 0 7px var(--lum-paper); }
.signal-node.n1 { --node: var(--lum-cyan); left: 10%; top: 30%; }
.signal-node.n2 { --node: var(--lum-yellow); right: 3%; top: 48%; }
.signal-node.n3 { --node: var(--lum-orange); left: 38%; bottom: 2%; }
.signal-node.n4 { --node: var(--lum-purple); right: 25%; top: 7%; }

.research-section {
    padding: clamp(80px, 10vw, 132px) 0;
    border-bottom: 1px solid var(--lum-line);
}

.research-section h2 { max-width: 920px; }
.research-section .lead { color: var(--lum-muted); font: 500 clamp(1.2rem, 2.4vw, 1.65rem)/1.5 "Playfair Display", serif; max-width: 820px; margin-top: 28px; }
.research-section.dark .section-number { color: var(--lum-cyan); }
.research-section.dark h2 { color: var(--lum-paper); }
.research-section.dark .lead { color: rgba(250,246,238,.64); }
.research-note { margin-top: 26px; padding: 18px 20px; border-left: 3px solid var(--lum-blue); background: rgba(108,200,232,.12); color: var(--lum-muted); font-size: 0.9rem; max-width: 860px; }

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 34px;
    align-items: stretch;
    margin-top: 64px;
}

.comparison-card {
    min-height: 320px;
    padding: 30px;
    border: 1px solid var(--lum-line);
    border-radius: 22px;
    background: #fffdf8;
}

.comparison-card h3 { font: 700 2rem "Playfair Display", serif; }
.comparison-card p { color: var(--lum-muted); margin-top: 18px; }
.comparison-card ul { margin-top: 22px; display: grid; gap: 10px; }
.comparison-card li { list-style: none; color: var(--lum-muted); font-size: 0.9rem; }
.comparison-card li::before { content: "·"; color: var(--lum-blue-dark); font-weight: 700; margin-right: 10px; }
.comparison-plus { display: grid; place-items: center; color: var(--lum-blue-dark); font: 500 2rem "DM Mono", monospace; }

.pipeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-top: 64px;
}

.pipeline-step {
    position: relative;
    min-height: 210px;
    padding: 22px;
    border: 1px solid var(--lum-line);
    background: rgba(255,255,255,.7);
}

.pipeline-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -15px;
    top: 50%;
    translate: 0 -50%;
    z-index: 2;
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--lum-paper);
    color: var(--lum-blue-dark);
}

.pipeline-step b { color: var(--lum-blue-dark); font: 500 0.68rem "DM Mono", monospace; }
.pipeline-step h3 { margin: 42px 0 11px; font: 700 1.35rem/1.1 "Playfair Display", serif; }
.pipeline-step p { color: var(--lum-muted); font-size: 0.78rem; }

.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 64px;
}

.mechanism {
    min-height: 330px;
    border: 1px solid var(--lum-line);
    border-radius: 22px;
    padding: 30px;
    background: rgba(255,255,255,.68);
}

.mechanism.wide { grid-column: 1 / -1; display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; }
.mechanism-code { color: var(--lum-blue-dark); font: 500 0.68rem "DM Mono", monospace; letter-spacing: 0.12em; }
.mechanism h3 { margin: 44px 0 15px; font: 700 2rem "Playfair Display", serif; }
.mechanism p { color: var(--lum-muted); font-size: 0.9rem; }
.mechanism ul { display: grid; gap: 11px; align-content: center; }
.mechanism li { list-style: none; padding: 13px 15px; border-left: 2px solid var(--lum-blue); background: rgba(108,200,232,.08); color: var(--lum-muted); font-size: 0.86rem; }

.study-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 64px;
}

.study-card {
    min-height: 300px;
    padding: 28px;
    border-radius: 20px;
    border: 1px solid var(--lum-line);
    background: #fffdf8;
}

.study-card .study-number { font: 500 0.72rem "DM Mono", monospace; color: var(--lum-blue-dark); }
.study-card h3 { margin: 58px 0 14px; font: 700 1.65rem/1.05 "Playfair Display", serif; }
.study-card p { color: var(--lum-muted); font-size: 0.86rem; }

.future-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    margin-top: 64px;
    background: rgba(250,246,238,.16);
    border: 1px solid rgba(250,246,238,.16);
}

.future-item { min-height: 260px; padding: 32px; background: var(--lum-ink); }
.future-item span { color: var(--lum-cyan); font: 500 0.7rem "DM Mono", monospace; }
.future-item h3 { color: var(--lum-paper); margin: 54px 0 12px; font: 600 1.8rem "Playfair Display", serif; }
.future-item p { color: rgba(250,246,238,.6); font-size: 0.88rem; }

.research-guardrails {
    display: grid;
    grid-template-columns: .82fr 1.18fr;
    gap: 70px;
    margin-top: 64px;
}

.guardrail-list { display: grid; gap: 1px; background: var(--lum-line); border: 1px solid var(--lum-line); }
.guardrail { padding: 23px; background: var(--lum-paper); }
.guardrail strong { display: block; margin-bottom: 6px; font-family: "Playfair Display", serif; font-size: 1.2rem; }
.guardrail p { color: var(--lum-muted); font-size: 0.85rem; }

.collab {
    padding: 110px 0;
    text-align: center;
    background: radial-gradient(circle at 50% 10%, rgba(108,200,232,.27), transparent 38%), var(--lum-paper);
}

.collab h2 { margin-inline: auto; font: 700 clamp(3rem, 6vw, 6rem)/.95 "Playfair Display", serif; letter-spacing: -.05em; max-width: 900px; }
.collab p { margin: 26px auto 32px; color: var(--lum-muted); max-width: 660px; }

@media (prefers-reduced-motion: no-preference) {
    .product-phone { animation: phone-rise 900ms cubic-bezier(.2,.8,.2,1) both; }
    .product-phone.insights { animation-delay: 100ms; }
    .product-phone.ask { animation-delay: 200ms; }
    @keyframes phone-rise {
        from { opacity: 0; translate: 0 35px; }
        to { opacity: 1; translate: 0 0; }
    }
}

@media (max-width: 980px) {
    .lum-nav a:not(.nav-pill) { display: none; }
    .lum-hero-grid,
    .research-hero-grid { grid-template-columns: 1fr; }
    .lum-hero-grid { padding-bottom: 40px; }
    .hero-phones { width: min(640px, 100%); margin-inline: auto; }
    .research-hero { text-align: left; }
    .signal-orbit { width: min(400px, 80%); margin: 20px auto; }
    .lum-band .lum-wrap { grid-template-columns: repeat(2, 1fr); padding-block: 20px; }
    .band-item:nth-child(2) { border-right: 0; }
    .story-grid,
    .study-grid { grid-template-columns: 1fr 1fr; }
    .chapter { gap: 40px; }
    .pipeline { grid-template-columns: 1fr; }
    .pipeline-step { min-height: 150px; }
    .pipeline-step:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -15px; translate: -50% 0; }
}

@media (max-width: 720px) {
    .lum-wrap { width: min(100% - 32px, 1180px); }
    .lum-header .lum-wrap { min-height: 64px; }
    .lum-brand { font-size: 1rem; }
    .lum-brand img { width: 34px; height: 34px; }
    .lum-hero { min-height: auto; }
    .lum-hero-grid,
    .research-hero-grid { padding: 62px 0 54px; }
    .lum-hero h1,
    .research-hero h1 { font-size: clamp(3.25rem, 16vw, 5.3rem); }
    .lum-lede { font-size: 1.08rem; }
    .hero-phones {
        min-height: 455px;
        width: 650px;
        left: auto;
        translate: none;
        transform: scale(.75);
        transform-origin: top left;
        margin-left: calc((100% - 487.5px) / 2);
        margin-right: 0;
        margin-bottom: -110px;
    }
    .product-phone.timeline { left: 1%; }
    .product-phone.insights { left: 31%; }
    .product-phone.ask { right: 1%; }
    .lum-band .lum-wrap { grid-template-columns: 1fr 1fr; }
    .band-item { padding: 12px; min-height: 80px; }
    .band-item:first-child { padding-left: 12px; }
    .band-item strong { font-size: 1.1rem; }
    .section-intro,
    .chapter,
    .research-teaser,
    .lum-privacy,
    .research-guardrails,
    .mechanism.wide { grid-template-columns: 1fr; gap: 28px; }
    .section-intro { margin-bottom: 40px; }
    .story-grid,
    .mechanism-grid,
    .study-grid,
    .future-grid,
    .comparison-grid { grid-template-columns: 1fr; }
    .comparison-plus { min-height: 20px; }
    .chapter { padding: 40px 0; }
    .chapter:nth-child(even) .chapter-copy,
    .chapter:nth-child(even) .chapter-visual { order: initial; }
    .chapter-visual { min-height: 320px; }
    .visual-crop { min-height: 420px; }
    .under-grid { grid-template-columns: 1fr; }
    .research-teaser-aside { border-left: 0; border-top: 1px solid var(--lum-line); padding: 24px 0 0; }
    .privacy-mark { width: 72%; margin-inline: auto; }
    .lum-footer .lum-wrap { align-items: flex-start; flex-direction: column; }
    .mechanism.wide { display: grid; }
    .mechanism h3 { margin-top: 30px; }
}

@media (max-width: 480px) {
    .lum-nav .nav-pill { padding: 8px 12px; }
    .hero-phones {
        transform: translateX(-57px) scale(.55);
        margin-left: calc((100% - 357.5px) / 2);
        margin-bottom: -200px;
    }
    .lum-actions { align-items: stretch; flex-direction: column; }
    .lum-button { width: 100%; }
    .lum-band .lum-wrap { grid-template-columns: 1fr; }
    .band-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
    .band-item:last-child { border-bottom: 0; }
    .story-grid { grid-template-columns: 1fr; }
    .story-card { min-height: 270px; }
    .range-pills { display: none; }
}