/* ==============================================================
   BeanOS marketing — dark cosmic aesthetic
   Continues the "Coming Soon" landing's visual language
   ============================================================== */

:root {
    --bg: #070714;
    --panel: rgba(255, 255, 255, 0.03);
    --panel-strong: rgba(255, 255, 255, 0.05);
    --hairline: rgba(255, 255, 255, 0.08);
    --hairline-strong: rgba(255, 255, 255, 0.16);
    --ink: #ffffff;
    --ink-soft: rgba(255, 255, 255, 0.72);
    --ink-mute: rgba(255, 255, 255, 0.45);
    --ink-faint: rgba(255, 255, 255, 0.22);
    --blue: #3b82f6;
    --blue-deep: #1e40af;
    --blue-glow: rgba(59, 130, 246, 0.35);
    --terra: #f4a36b;

    --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ============================================================
   Ambient: particles + orbs (matches landing)
   ============================================================ */
#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.orb {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    will-change: transform;
    animation: orbFloat 14s ease-in-out infinite;
}
.orb-1 {
    width: 720px; height: 720px;
    background: radial-gradient(circle at center, rgba(30, 64, 175, 0.22), transparent 65%);
    top: -260px; left: -260px;
}
.orb-2 {
    width: 620px; height: 620px;
    background: radial-gradient(circle at center, rgba(15, 52, 96, 0.28), transparent 65%);
    bottom: -200px; right: -200px;
    animation-delay: -5s;
}
.orb-3 {
    width: 460px; height: 460px;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.14), transparent 65%);
    top: 35%; right: 5%;
    animation-delay: -9s;
}
.orb-4 {
    width: 520px; height: 520px;
    background: radial-gradient(circle at center, rgba(244, 163, 107, 0.10), transparent 65%);
    top: 60%; left: 5%;
    animation-delay: -3s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(25px, -30px); }
    66% { transform: translate(-20px, 20px); }
}

/* ============================================================
   Scroll progress hairline
   ============================================================ */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px; width: 0;
    background: linear-gradient(90deg, var(--blue) 0%, var(--blue-deep) 100%);
    z-index: 60;
    transition: width 0.06s linear;
    box-shadow: 0 0 8px var(--blue-glow);
}

/* ============================================================
   Top navigation
   ============================================================ */
.topnav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 2rem;
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    background: rgba(7, 7, 20, 0.55);
    border-bottom: 1px solid var(--hairline);
}
.topnav-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
}
.topnav-brand .topnav-bean {
    width: 28px; height: 26px;
    color: var(--ink);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.35));
}
.topnav-brand-name {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    background: linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.55) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.topnav-links {
    display: inline-flex;
    gap: 1.6rem;
    align-items: center;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
}
.topnav-links a {
    color: var(--ink-mute);
    text-decoration: none;
    transition: color 0.2s ease;
}
.topnav-links a:hover { color: var(--ink); }
.topnav-links .pill {
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    color: var(--ink);
    background: linear-gradient(135deg, var(--blue-deep), var(--blue), var(--blue-deep));
    background-size: 200% 100%;
    background-position: 0% 0%;
    transition: background-position 0.4s ease, transform 0.25s ease, box-shadow 0.25s ease;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.74rem;
}
.topnav-links .pill:hover {
    background-position: 100% 0%;
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(30, 64, 175, 0.4);
}

@media (max-width: 720px) {
    .topnav { padding: 0.9rem 1.2rem; }
    .topnav-links a:not(.pill) { display: none; }
}

/* ============================================================
   Generic — buttons, eyebrows, headings
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 1rem 2.1rem;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    border-radius: 999px;
    cursor: pointer;
    transition: background-position 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 50%, var(--blue-deep) 100%);
    background-size: 200% 100%;
    background-position: 0% 0%;
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.35);
    border: 1px solid rgba(59, 130, 246, 0.4);
}
.btn-primary:hover {
    background-position: 100% 0%;
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(30, 64, 175, 0.55);
}
.btn-primary .arrow { transition: transform 0.25s ease; }
.btn-primary:hover .arrow { transform: translateX(4px); }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--hairline-strong);
    color: var(--ink-soft);
}
.btn-ghost:hover {
    color: var(--ink);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.42rem 0.9rem;
    border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--hairline);
    color: var(--ink-mute);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-family: var(--mono);
}
.eyebrow .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.55);
    animation: pulse-dot 2.4s ease-out infinite;
}
@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.55); }
    70% { box-shadow: 0 0 0 12px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.gradient-text {
    background: linear-gradient(160deg, #ffffff 30%, rgba(255, 255, 255, 0.45) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-blue {
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 60%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    padding: 9rem 2rem 5rem;
    max-width: 80rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 4rem;
}
.hero-text { animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both; }
.hero-eyebrow { margin-bottom: 1.8rem; }
.hero-title {
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 700;
    line-height: 0.98;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.hero-title .grad { display: inline-block; }
.hero-sub {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--ink-soft);
    letter-spacing: 0.01em;
    max-width: 36rem;
    line-height: 1.65;
    margin-bottom: 2.2rem;
}
.hero-sub code {
    font-family: var(--mono);
    font-size: 0.92em;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    border: 1px solid var(--hairline);
}
.hero-actions { display: flex; gap: 0.85rem; flex-wrap: wrap; }

.hero-figure {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}
.hero-bean-frame {
    position: relative;
    width: 100%;
    max-width: 440px;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
}
.hero-bean-frame::before {
    content: "";
    position: absolute;
    inset: 12% 12% 12% 12%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.25) 0%, transparent 65%);
    z-index: 0;
    filter: blur(4px);
}
.hero-bean-frame .bean-instance {
    position: relative;
    z-index: 2;
    width: 56%;
    color: var(--ink);
    filter: drop-shadow(0 0 24px rgba(59, 130, 246, 0.4));
}
.hero-bean-frame .ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    animation: ring-rotate 70s linear infinite;
}
.hero-bean-frame .ring-2 {
    inset: 14%;
    border-style: solid;
    border-color: rgba(255, 255, 255, 0.06);
    animation-duration: 90s;
    animation-direction: reverse;
}
.hero-bean-frame .ring-label {
    position: absolute;
    inset: 0;
    color: var(--ink-mute);
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
}
.hero-bean-frame .ring-label svg { width: 100%; height: 100%; overflow: visible; }
@keyframes ring-rotate { from { transform: rotate(0); } to { transform: rotate(360deg); } }

@media (max-width: 920px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 8rem 1.4rem 3rem;
        gap: 2.5rem;
    }
    .hero-figure { order: -1; }
    .hero-bean-frame { max-width: 320px; }
}

/* ============================================================
   Story sections — glass cards on dark
   ============================================================ */
main { position: relative; z-index: 2; }

.story {
    position: relative;
    padding: 5rem 2rem;
    max-width: 80rem;
    margin: 0 auto;
}
.story + .story { padding-top: 1rem; }

.story-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.1fr;
    gap: 3.5rem;
    align-items: center;
}
.story-grid.flip .story-figure { order: 2; }

.story-copy {
    transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.9s ease;
    transform: translateY(24px);
    opacity: 0;
}
.story.in-view .story-copy {
    transform: translateY(0);
    opacity: 1;
}

.story-counter {
    display: inline-flex;
    align-items: baseline;
    gap: 0.55rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 1.4rem;
}
.story-counter b {
    color: var(--blue);
    font-weight: 600;
    font-size: 0.82rem;
}
.story-title {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -0.025em;
    color: var(--ink);
    margin-bottom: 1.4rem;
}
.story-title .grad {
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 70%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.story-lede {
    font-size: 1.12rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--ink-soft);
    max-width: 36rem;
    margin-bottom: 1.8rem;
}
.story-chapters { display: grid; gap: 1.4rem; }
.chapter {
    border-left: 1px solid var(--hairline-strong);
    padding: 0.2rem 0 0.2rem 1.2rem;
    transition: border-color 0.5s ease;
}
.chapter.active { border-left-color: var(--blue); }
.chapter h4 {
    font-weight: 500;
    font-size: 1rem;
    color: var(--ink);
    margin-bottom: 0.35rem;
    letter-spacing: -0.005em;
}
.chapter p {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--ink-mute);
    line-height: 1.6;
}

.story-figure {
    transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1) 0.15s, opacity 1s ease 0.15s;
    transform: translateY(40px) scale(0.97);
    opacity: 0;
}
.story.in-view .story-figure {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.figure-card {
    position: relative;
    background: var(--panel);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid var(--hairline);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: transform 0.5s ease;
}
.figure-card:hover { transform: translateY(-3px); }

.figure-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.15), transparent 55%),
                radial-gradient(circle at 90% 100%, rgba(244, 163, 107, 0.08), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.figure-card-head {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.2rem;
    border-bottom: 1px solid var(--hairline);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.figure-card-head .head-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 8px var(--blue-glow);
}
.figure-card-head .head-dots {
    display: inline-flex;
    gap: 0.4rem;
    align-items: center;
}
.figure-card-head .head-dots span {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
}
.figure-card-head .head-dots span:first-child { background: rgba(244, 107, 107, 0.55); }
.figure-card-head .head-dots span:nth-child(2) { background: rgba(244, 200, 107, 0.55); }
.figure-card-head .head-dots span:nth-child(3) { background: rgba(107, 214, 144, 0.55); }

.figure-card-body {
    position: relative;
    z-index: 1;
    padding: 1.4rem 1.2rem 1.6rem;
    display: grid;
    place-items: center;
}
.figure-card-body img {
    width: 100%;
    max-width: 540px;
    height: auto;
    display: block;
    border-radius: 14px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.45));
}

.figure-caption {
    position: relative;
    z-index: 1;
    padding: 0.9rem 1.2rem;
    border-top: 1px solid var(--hairline);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

@media (max-width: 920px) {
    .story { padding: 3.5rem 1.4rem; }
    .story-grid, .story-grid.flip {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .story-grid.flip .story-figure { order: 0; }
}

/* ============================================================
   Closer — Secure. Governed. Observable.
   ============================================================ */
.closer {
    position: relative;
    z-index: 2;
    padding: 4rem 2rem 2rem;
    max-width: 80rem;
    margin: 0 auto;
}
.closer-card {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 2.6rem;
    align-items: center;
    padding: 3rem 3rem;
    border-radius: 28px;
    background: var(--panel-strong);
    border: 1px solid var(--hairline-strong);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.closer-figure { display: grid; place-items: center; }
.closer-figure .diag-anti-stage { max-width: 320px; }
.closer-eyebrow {
    color: var(--blue);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    margin-bottom: 0.9rem;
}
.closer-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.closer-title .grad {
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 70%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.closer-sub {
    font-size: 1.02rem;
    font-weight: 300;
    color: var(--ink-soft);
    line-height: 1.6;
    max-width: 36rem;
}
@media (max-width: 920px) {
    .closer { padding: 2.5rem 1.4rem 1rem; }
    .closer-card { grid-template-columns: 1fr; padding: 2.2rem 1.6rem; gap: 1.6rem; }
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
    position: relative;
    z-index: 2;
    padding: 6rem 2rem 9rem;
    max-width: 80rem;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}
.cta-card {
    position: relative;
    width: 100%;
    max-width: 760px;
    background: var(--panel-strong);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid var(--hairline);
    border-radius: 28px;
    padding: 4rem 3.6rem;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.07);
    overflow: hidden;
}
.cta-card::before {
    content: "";
    position: absolute;
    inset: -50% -10% auto auto;
    width: 380px; height: 380px;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.35), transparent 60%);
    pointer-events: none;
    z-index: 0;
    filter: blur(20px);
}
.cta-card > * { position: relative; z-index: 1; }
.cta-eyebrow {
    margin-bottom: 1.4rem;
    color: var(--blue);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}
.cta-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -0.025em;
    margin-bottom: 1.2rem;
}
.cta-sub {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--ink-soft);
    max-width: 36rem;
    margin: 0 auto 2.2rem;
    line-height: 1.6;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    position: relative;
    z-index: 2;
    padding: 2.4rem 2rem 3rem;
    border-top: 1px solid var(--hairline);
    text-align: center;
    color: var(--ink-faint);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
}
.site-footer a {
    color: var(--ink-mute);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    transition: color 0.2s ease, border-color 0.2s ease;
}
.site-footer a:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.5); }
.footer-bean {
    width: 26px; height: 24px;
    margin: 0 auto 0.9rem;
    color: var(--ink);
    display: block;
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.4));
}

/* ============================================================
   Bean creature — kidney-bean silhouette w/ closed-eye chevrons
   ============================================================ */
.bean-svg .body { fill: var(--ink); }
.bean-svg .leg  { fill: var(--ink); }
.bean-svg .wink { stroke: var(--bg); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; fill: none; }

/* Topnav and footer: monochrome on dark — body/legs use currentColor */
.topnav-bean .body, .topnav-bean .leg,
.footer-bean .body, .footer-bean .leg { fill: currentColor; }
.topnav-bean .wink, .footer-bean .wink { stroke: var(--bg); }

/* Diagram beans: deep-navy body, light eye lines (so they read on light pills) */
.diag-bean .body, .diag-bean .leg { fill: #0c1230; }
.diag-bean .wink { stroke: #ffffff; stroke-width: 11; }

.bean-svg.bobs { animation: bean-bob 3.6s ease-in-out infinite; transform-origin: 50% 80%; }
.bean-svg.bobs .wink {
    transform-origin: center;
    transform-box: fill-box;
    animation: bean-blink 5.4s ease-in-out infinite;
}
@keyframes bean-bob {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}
@keyframes bean-blink {
    0%, 92%, 100% { transform: scaleY(1); }
    94%, 98%      { transform: scaleY(0.18); }
}

/* ============================================================
   Highlight banner — Best employee
   ============================================================ */
.highlight {
    position: relative;
    z-index: 2;
    padding: 4rem 2rem;
    max-width: 80rem;
    margin: 0 auto;
}
.highlight-card {
    position: relative;
    display: grid;
    grid-template-columns: 0.8fr 2fr;
    gap: 2.4rem;
    align-items: center;
    padding: 3rem 3rem;
    border-radius: 28px;
    background:
        radial-gradient(circle at 12% 0%, rgba(59, 130, 246, 0.22), transparent 55%),
        radial-gradient(circle at 92% 100%, rgba(244, 163, 107, 0.14), transparent 55%),
        var(--panel-strong);
    border: 1px solid var(--hairline-strong);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    overflow: hidden;
}
.highlight-card::after {
    content: "";
    position: absolute; inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.55), rgba(244, 163, 107, 0.25), transparent 60%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    pointer-events: none;
}
.highlight-bean {
    display: grid; place-items: center;
    aspect-ratio: 1 / 1;
    max-width: 220px;
    margin: 0 auto;
    color: var(--ink);
    filter: drop-shadow(0 0 28px rgba(59, 130, 246, 0.4));
}
.highlight-bean svg { width: 100%; }
.highlight-eyebrow {
    color: var(--blue);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    margin-bottom: 0.9rem;
}
.highlight-title {
    font-size: clamp(1.8rem, 3.6vw, 2.6rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 1.4rem;
}
.highlight-points {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem 2rem;
}
.highlight-points li {
    color: var(--ink-soft);
    font-weight: 300;
    font-size: 0.96rem;
    line-height: 1.55;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem;
    align-items: baseline;
}
.highlight-points b { color: var(--ink); font-weight: 600; }
.hl-bullet { color: var(--blue); font-size: 0.6rem; transform: translateY(-2px); }

@media (max-width: 920px) {
    .highlight { padding: 2.5rem 1.4rem; }
    .highlight-card { grid-template-columns: 1fr; padding: 2.2rem 1.6rem; gap: 1.4rem; }
    .highlight-bean { max-width: 140px; }
    .highlight-points { grid-template-columns: 1fr; }
}

/* ============================================================
   Diagrams — HTML/CSS-native, design-language consistent
   ============================================================ */
.diagram-card { cursor: zoom-in; }
.diagram-card .figure-card-body { padding: 1.6rem 1.4rem 1.8rem; }
.figure-zoom {
    margin-left: 0.7rem;
    color: var(--ink-faint);
    font-family: var(--mono);
    text-transform: none;
    letter-spacing: 0.06em;
    font-size: 0.66rem;
}
.diagram {
    width: 100%;
    color: var(--ink-soft);
    font-family: var(--sans);
}
.diag-block {
    border: 1px solid var(--hairline-strong);
    border-radius: 16px;
    padding: 0.9rem 1rem 1rem;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), rgba(255, 255, 255, 0.02));
    position: relative;
}
.diag-block-title {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.7rem;
}
.diag-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.diag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
    padding: 0.42rem 0.8rem;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.18);
    border: 1px solid rgba(59, 130, 246, 0.4);
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 500;
}
.diag-pill-orange {
    background: rgba(244, 163, 107, 0.16);
    border-color: rgba(244, 163, 107, 0.45);
    color: #fbd9b9;
}
.diag-ico {
    width: 14px; height: 14px;
    color: currentColor;
    fill: currentColor;
}

/* Architecture layout */
.diagram-architecture {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        "brain      channels"
        "containers channels"
        "kernel     channels";
    gap: 0.9rem 1.2rem;
}
.diag-brain      { grid-area: brain; }
.diag-containers { grid-area: containers; }
.diag-kernel     { grid-area: kernel; }
.diag-channels   { grid-area: channels; }
.diag-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.diag-container {
    border: 1px solid var(--hairline-strong);
    border-radius: 14px;
    padding: 0.9rem 0.5rem 0.7rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    display: grid;
    place-items: center;
    gap: 0.5rem;
    min-width: 0;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
    transition: border-color 0.3s ease, transform 0.3s ease;
}
.diag-container:hover { border-color: var(--blue); transform: translateY(-2px); }
.diag-bean {
    width: 46px; height: 42px;
    background: linear-gradient(135deg, #93c5fd, #ffffff);
    border-radius: 12px;
    padding: 4px;
}
.diag-channels {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    border-left: 1px dashed var(--hairline-strong);
    padding-left: 1rem;
    align-self: stretch;
    justify-content: center;
}
.diag-channel, .diag-human {
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.74rem;
    color: var(--ink-soft);
    text-align: center;
    min-width: 92px;
}
.diag-human {
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    border-color: rgba(59, 130, 246, 0.6);
    color: var(--ink);
    font-weight: 600;
    margin-top: 0.4rem;
}
.diag-wires {
    display: none;
}

/* Brain-only diagram (section 01) */
.diagram-brain-only {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
/* Cancel grid-area assignments inherited from .diagram-architecture
   so children stack as rows instead of overlapping. */
.diagram-brain-only > .diag-brain,
.diagram-brain-only > .diag-row { grid-area: auto; }
/* Center the 3 bean cards as a compact group rather than stretching
   them across the full diagram width. minmax(0, 8rem) lets the
   cards shrink on narrow viewports so the figure doesn't overflow
   the mobile container. */
.diagram-brain-only > .diag-containers {
    grid-template-columns: repeat(3, minmax(0, 8rem));
    justify-content: center;
}
/* Center the brain block's title + pills (Database / Knowledge / Workflows). */
.diagram-brain-only .diag-brain { text-align: center; }
.diagram-brain-only .diag-brain .diag-pills { justify-content: center; }

/* Cloud containers diagram (section 02) */
.diagram-containers-flow .diag-cc-stage {
    display: grid;
    gap: 0.9rem;
}
.diag-cc-cloud {
    border: 1px dashed var(--hairline-strong);
    border-radius: 18px;
    padding: 0.9rem 1rem 1rem;
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.10), transparent 70%);
}
.diag-cc-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-top: 0.6rem;
}
.diag-cc-bean {
    border: 1px solid var(--hairline-strong);
    border-radius: 14px;
    padding: 0.7rem 0.4rem 0.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    display: grid;
    place-items: center;
    gap: 0.3rem;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.diag-cc-bean .diag-bean { width: 42px; height: 38px; }
.diag-cc-bean-spinup   { animation: cc-spinup   2.4s ease-in-out infinite; }
.diag-cc-bean-active   { animation: cc-active   2.4s ease-in-out infinite; }
.diag-cc-bean-spindown { animation: cc-spindown 2.4s ease-in-out infinite; }
@keyframes cc-spinup   { 0%, 100% { opacity: 0.45; transform: translateY(4px); } 50% { opacity: 1; transform: translateY(0); } }
@keyframes cc-active   { 0%, 100% { opacity: 1; box-shadow: 0 0 0 1px var(--hairline-strong); } 50% { box-shadow: 0 0 0 1px var(--blue), 0 0 18px rgba(59,130,246,0.35); } }
@keyframes cc-spindown { 0%, 100% { opacity: 1; transform: translateY(0); } 50% { opacity: 0.45; transform: translateY(4px); } }
.diag-cc-kernel {
    border: 1px solid rgba(244, 163, 107, 0.35);
    border-radius: 16px;
    padding: 0.8rem 1rem 0.9rem;
    background: linear-gradient(180deg, rgba(244, 163, 107, 0.08), rgba(255, 255, 255, 0.02));
    text-align: center;
}
.diag-cc-kernel .diag-pills { justify-content: center; }
/* Equal-size kernel pills (Secrets / Heuristics / Audit). */
.diag-cc-kernel .diag-pill { min-width: 6rem; justify-content: center; }

/* Channel diagrams (human↔bean) */
.diagram-channel {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
}
/* bidirectional channel pills get arrows on both sides */
.diag-stream-bidirectional li { position: relative; padding-left: 1.6rem; padding-right: 1.6rem; text-align: center; }
.diag-stream-bidirectional li::before,
.diag-stream-bidirectional li::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 8px; height: 8px;
    border-top: 1.5px solid var(--blue);
    border-right: 1.5px solid var(--blue);
    transform: translateY(-50%) rotate(45deg);
}
.diag-stream-bidirectional li::before { left: 0.45rem; transform: translateY(-50%) rotate(-135deg); }
.diag-stream-bidirectional li::after  { right: 0.45rem; }
.diag-actor {
    display: grid;
    place-items: center;
    gap: 0.4rem;
    padding: 0.9rem 0.6rem;
    border-radius: 16px;
    border: 1px solid var(--hairline-strong);
    background: rgba(255, 255, 255, 0.03);
    min-width: 86px;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.diag-actor-ico { width: 38px; height: 38px; color: var(--ink-soft); }
.diag-actor-bean {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(255, 255, 255, 0.03));
    border-color: rgba(59, 130, 246, 0.5);
    color: var(--ink);
}
.diag-actor-bean-svg {
    width: 46px; height: 42px;
    color: var(--ink);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}
.diag-stream {
    list-style: none;
    display: grid;
    gap: 0.45rem;
    padding: 0.4rem 0;
    position: relative;
}
.diag-stream li {
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--hairline-strong);
    font-size: 0.82rem;
    color: var(--ink-soft);
    opacity: 0;
    transform: translateX(-10px);
    animation: stream-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: calc(var(--i) * 110ms + 200ms);
}
.diag-stream-left li { transform: translateX(10px); }
@keyframes stream-in {
    to { opacity: 1; transform: translateX(0); }
}

/* Loop diagram */
.diagram-loop {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.2rem;
    align-items: center;
    position: relative;
    padding-top: 1rem;
}
.diag-loop-bean {
    display: grid;
    place-items: center;
    gap: 0.5rem;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    text-align: center;
}
.diag-loop-bean svg { color: var(--ink); filter: drop-shadow(0 0 14px rgba(59, 130, 246, 0.4)); }
.diag-loop-bean-small svg { width: 56px; height: 52px; }
.diag-loop-bean-large svg { width: 96px; height: 88px; }
.diag-loop-bean-large span {
    background: linear-gradient(135deg, #ffffff, #93c5fd);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; font-weight: 700;
}
.diag-loop-tasks {
    list-style: none;
    display: grid;
    gap: 0.4rem;
}
.diag-loop-tasks li {
    padding: 0.5rem 0.9rem;
    border-radius: 10px;
    border-left: 2px solid var(--blue);
    background: rgba(59, 130, 246, 0.08);
    font-size: 0.82rem;
    color: var(--ink-soft);
    opacity: 0;
    transform: translateY(6px);
    animation: stream-in-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: calc(var(--i) * 90ms + 200ms);
}
@keyframes stream-in-up {
    to { opacity: 1; transform: translateY(0); }
}
/* Anti-pattern diagram */
.diagram-anti {
    display: grid;
    place-items: center;
    padding: 1rem 0 0.5rem;
}
.diag-anti-stage {
    position: relative;
    width: 100%;
    max-width: 360px;
    aspect-ratio: 4 / 3;
    display: grid;
    place-items: center;
}
.diag-anti-label {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.diag-laptop {
    position: relative;
    width: 78%;
    margin-top: 1.6rem;
}
.diag-laptop-screen {
    background: linear-gradient(180deg, #1f2937, #0b1220);
    border: 1px solid var(--hairline-strong);
    border-radius: 12px 12px 4px 4px;
    aspect-ratio: 16 / 10;
    padding: 0.9rem;
    display: grid;
    align-content: start;
    gap: 0.45rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.diag-laptop-base {
    height: 8px;
    background: linear-gradient(180deg, #1f2937, #0b1220);
    border: 1px solid var(--hairline-strong);
    border-top: none;
    border-radius: 0 0 18px 18px;
    width: 116%;
    margin-left: -8%;
}
.diag-anti-token {
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--hairline-strong);
    font-size: 0.75rem;
    color: var(--ink-soft);
    width: fit-content;
    font-family: var(--mono);
    letter-spacing: 0.04em;
}
.diag-anti-token-2 { background: rgba(244, 163, 107, 0.16); border-color: rgba(244, 163, 107, 0.4); }
.diag-anti-token-3 { background: rgba(248, 113, 113, 0.14); border-color: rgba(248, 113, 113, 0.4); }
.diag-anti-cross {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}
.diag-anti-cross line {
    stroke: rgba(248, 113, 113, 0.85);
    stroke-width: 8;
    stroke-linecap: round;
    filter: drop-shadow(0 0 14px rgba(248, 113, 113, 0.6));
}

@media (max-width: 720px) {
    .diagram-architecture {
        grid-template-columns: 1fr;
        grid-template-areas: "brain" "containers" "kernel" "channels";
    }
    .diag-channels { flex-direction: row; flex-wrap: wrap; border-left: none; border-top: 1px dashed var(--hairline-strong); padding: 0.8rem 0 0; }
    .diagram-channel { grid-template-columns: 1fr; }
    .diag-stream { padding: 0; }
    .diagram-loop { grid-template-columns: 1fr; }
}

/* ============================================================
   Lightbox — diagram detail
   ============================================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
    place-items: center;
    padding: 3rem 2rem;
    background: rgba(7, 7, 20, 0.82);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
}
.lightbox.open { display: grid; animation: lb-fade 0.25s ease; }
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox-stage {
    width: min(1100px, 100%);
    max-height: calc(100vh - 6rem);
    overflow: auto;
    background: var(--panel-strong);
    border: 1px solid var(--hairline-strong);
    border-radius: 24px;
    padding: 2.4rem 2.4rem 2.6rem;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.lightbox-stage .diagram { font-size: 1.05rem; }
.lightbox-stage .diag-stream li,
.lightbox-stage .diag-loop-tasks li { font-size: 1rem; padding: 0.7rem 1.1rem; }
.lightbox-stage .diag-bean { width: 64px; height: 58px; }
.lightbox-stage .diag-actor-bean-svg { width: 72px; height: 66px; }
.lightbox-stage .diag-loop-bean-large svg { width: 140px; height: 128px; }
.lightbox-stage .diag-anti-stage { max-width: 520px; }
.lightbox-close {
    position: fixed;
    top: 1.4rem; right: 1.6rem;
    z-index: 81;
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--hairline-strong);
    background: rgba(255, 255, 255, 0.06);
    color: var(--ink);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.14); transform: rotate(90deg); }
body.lightbox-open { overflow: hidden; }

/* ============================================================
   Generic fade-up
   ============================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    html { scroll-behavior: auto; }
    .story-copy, .story-figure { opacity: 1; transform: none; }
    .scroll-progress { display: none; }
    .orb { display: none; }
}