@import '_base.css';
@import '_effects.css';

/* ========================================================================
   wtnsource.buzz — neon synthwave
   prefix ptn91 — neon-green accent on dark cyan bg
   ======================================================================== */

:root {
    /* Site-specific tokens */
    --shadow-low: 0 1px 2px hsl(0 0% 0% / 0.35);
    --shadow-mid: 0 8px 24px hsl(0 0% 0% / 0.45);
    --shadow-high: 0 24px 60px hsl(0 0% 0% / 0.55);
    --shadow-rim: 0 0 0 1px hsl(var(--line-1) / 0.6);
    --shadow-glow-soft: 0 0 24px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.18);
    --shadow-glow-mid: 0 0 32px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.32);
    --shadow-glow-deep: 0 0 60px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);

    --overlay-soft: hsl(var(--bg-0) / 0.55);
    --overlay-mid: hsl(var(--bg-0) / 0.78);
    --overlay-deep: hsl(var(--bg-0) / 0.92);
    --white-alpha-08: hsl(0 0% 100% / 0.08);
    --white-alpha-15: hsl(0 0% 100% / 0.15);
    --white-alpha-25: hsl(0 0% 100% / 0.25);

    --grad-aurora: linear-gradient(
        135deg,
        hsl(var(--bg-0)) 0%,
        hsl(195 50% 8%) 35%,
        hsl(265 35% 12%) 65%,
        hsl(var(--bg-0)) 100%
    );
    --grad-card: linear-gradient(
        145deg,
        hsl(var(--bg-1)) 0%,
        hsl(var(--bg-0)) 100%
    );
    --grad-rim: linear-gradient(
        90deg,
        transparent 0%,
        var(--accent) 30%,
        var(--accent) 70%,
        transparent 100%
    );
    --grad-statbar: linear-gradient(
        180deg,
        hsl(var(--bg-1) / 0.9) 0%,
        hsl(var(--bg-0)) 100%
    );

    --line-glow: 1px solid hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
    --line-soft: 1px solid hsl(var(--line-1) / 0.55);

    /* Synthwave secondary tones (for atmosphere) */
    --synth-purple-1: 265 60% 18%;
    --synth-purple-2: 265 70% 35%;
    --synth-purple-3: 265 70% 40%;
    --synth-purple-4: 265 50% 12%;
    --synth-cyan-1: 195 70% 30%;
    --synth-cyan-2: 195 70% 40%;
    --synth-cyan-3: 195 50% 12%;
    --chrom-red: 0 90% 55%;
    --chrom-cyan: 190 90% 55%;
    --shadow-base: 0 0% 0%;

    --maxw: 80rem;
    --maxw-narrow: 64rem;
}

/* ---------- Body & global ---------- */
html { background: hsl(var(--bg-0)); }
body {
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, hsl(var(--synth-purple-1) / 0.45), transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, hsl(var(--accent-h) var(--accent-s) 30% / 0.18), transparent 70%),
        hsl(var(--bg-0));
    color: hsl(var(--fg-1));
    font-family: var(--font-body);
    overflow-x: hidden;
    position: relative;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent 0,
            transparent 3px,
            hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.018) 3px,
            hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.018) 4px
        );
    pointer-events: none;
    z-index: 1;
    opacity: 0.6;
}
main, header, section, footer { position: relative; z-index: 2; }
img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--accent); color: hsl(var(--bg-0)); }

/* ---------- Section primitives ---------- */
.ptn91-section {
    position: relative;
    padding: var(--space-20) var(--space-5);
    max-width: var(--maxw);
    margin: 0 auto;
}
.ptn91-rule {
    position: absolute;
    top: 0;
    left: var(--space-5);
    right: var(--space-5);
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.5) 25%,
        hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.5) 75%,
        transparent 100%
    );
    box-shadow: 0 0 12px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.45);
}
.ptn91-section-head {
    max-width: 60rem;
    margin: 0 auto var(--space-12);
    text-align: center;
}
.ptn91-section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-4);
    padding: 0.35rem 0.9rem;
    border: 1px solid hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.35);
    border-radius: 999px;
    background: hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.06);
    text-shadow: 0 0 12px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
}
.ptn91-section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-h2);
    line-height: 1.1;
    margin: 0 0 var(--space-5);
    color: hsl(var(--fg-1));
    letter-spacing: -0.01em;
}
.ptn91-section-lead {
    font-size: 1.0625rem;
    line-height: 1.65;
    color: hsl(var(--fg-2));
    max-width: 56ch;
    margin: 0 auto;
}
.ptn91-section-lead a { color: var(--accent); border-bottom: 1px dashed hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4); }
.ptn91-section-lead a:hover { border-color: var(--accent); }

/* ---------- Buttons ---------- */
.ptn91-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 1.7rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: none;
    border-radius: 0.6rem;
    cursor: pointer;
    text-decoration: none;
    transition:
        transform 0.18s var(--ease-out-3),
        box-shadow 0.25s var(--ease-out-3),
        background 0.25s var(--ease-out-3);
    position: relative;
    overflow: hidden;
}
.ptn91-btn-primary {
    background: var(--accent);
    color: hsl(var(--bg-0));
    box-shadow:
        0 4px 16px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.35),
        0 0 0 1px hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) - 12%));
}
.ptn91-btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent-hover);
    box-shadow:
        0 6px 22px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.55),
        var(--shadow-glow-mid);
}
.ptn91-btn-primary:active { transform: translateY(0); }
.ptn91-btn-ghost {
    background: hsl(var(--bg-1) / 0.6);
    color: hsl(var(--fg-1));
    border: 1px solid hsl(var(--line-1));
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.ptn91-btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: hsl(var(--bg-2));
    box-shadow: var(--shadow-glow-soft);
}
.ptn91-btn-large { padding: 1.15rem 2.25rem; font-size: 1.05rem; }
.ptn91-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Shimmer is provided by _effects.css; small tweak for fill */
.ptn91-shimmer { isolation: isolate; }

/* ---------- NAV — floating pill ---------- */
.ptn91-nav-wrap {
    position: fixed;
    top: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: calc(100% - 2rem);
    max-width: var(--maxw);
    pointer-events: none;
}
.ptn91-nav-pill {
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0.55rem 0.55rem 0.55rem 1.25rem;
    background: hsl(var(--bg-0) / 0.72);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid hsl(var(--line-1) / 0.7);
    border-radius: 999px;
    box-shadow:
        var(--shadow-mid),
        inset 0 1px 0 var(--white-alpha-08),
        0 0 32px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.08);
}
.ptn91-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: hsl(var(--fg-1));
}
.ptn91-brand-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow:
        0 0 8px var(--accent),
        0 0 20px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.6),
        inset 0 0 4px hsl(var(--bg-0) / 0.6);
    animation: ptn91-mark-pulse 2.4s ease-in-out infinite;
}
.ptn91-brand-text { letter-spacing: 0.01em; }
.ptn91-brand-dot { color: var(--accent); }
.ptn91-nav-links {
    display: none;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
    margin: 0;
    padding: 0;
}
.ptn91-nav-links a {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: hsl(var(--fg-2));
    text-decoration: none;
    transition: color 0.2s var(--ease-out-3);
    position: relative;
}
.ptn91-nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
    transition: width 0.3s var(--ease-out-3);
}
.ptn91-nav-links a:hover { color: hsl(var(--fg-1)); }
.ptn91-nav-links a:hover::after { width: 100%; }
.ptn91-nav-cta {
    display: none;
    padding: 0.6rem 1.2rem;
    font-family: var(--font-body);
    font-size: 0.825rem;
    font-weight: 700;
    color: hsl(var(--bg-0));
    background: var(--accent);
    text-decoration: none;
    border-radius: 999px;
    transition: transform 0.2s var(--ease-out-3), box-shadow 0.25s var(--ease-out-3);
    box-shadow: 0 4px 14px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
}
.ptn91-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.6);
}
.ptn91-burger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
}
.ptn91-burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: hsl(var(--fg-1));
    border-radius: 2px;
    transition: transform 0.25s var(--ease-out-3);
}
.ptn91-burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.ptn91-burger.is-open span:nth-child(2) { opacity: 0.001; }
.ptn91-burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.ptn91-nav-status {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0.6rem auto 0;
    padding: 0.4rem 0.95rem;
    background: hsl(var(--bg-1) / 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: var(--line-soft);
    border-radius: 999px;
    font-size: 0.78rem;
    color: hsl(var(--fg-2));
    box-shadow: var(--shadow-low);
    width: fit-content;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}
.ptn91-nav-status strong { color: hsl(var(--fg-1)); font-weight: 600; }

.ptn91-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: hsl(var(--status-ok));
    box-shadow: 0 0 8px hsl(var(--status-ok)), 0 0 0 2px hsl(var(--status-ok) / 0.18);
    animation: ptn91-mark-pulse 1.8s ease-in-out infinite;
}

/* Mobile menu open state — drawer */
.ptn91-nav-pill.is-open .ptn91-nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    padding: var(--space-4);
    background: hsl(var(--bg-0) / 0.95);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: var(--line-soft);
    border-radius: 1.25rem;
    gap: var(--space-3);
    box-shadow: var(--shadow-high);
}

/* ---------- HERO ---------- */
.ptn91-hero {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--space-24) + var(--space-8));
    padding-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}
.ptn91-hero::before {
    /* override _effects.css aurora to be subtler here */
    background:
        radial-gradient(ellipse at 50% 30%, hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 60%, hsl(var(--synth-purple-2) / 0.25) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 80%, hsl(var(--synth-cyan-1) / 0.2) 0%, transparent 60%);
}
.ptn91-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.ptn91-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.18;
    filter: hue-rotate(90deg) saturate(1.4);
}
.ptn91-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        hsl(var(--bg-0) / 0.6) 0%,
        hsl(var(--bg-0) / 0.85) 70%,
        hsl(var(--bg-0)) 100%
    );
}
.ptn91-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(0deg, hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.07) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.07) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(800px) rotateX(60deg) translateY(30%) translateZ(-100px);
    transform-origin: 50% 100%;
    mask-image: linear-gradient(180deg, transparent 0%, hsl(var(--shadow-base) / 0.6) 30%, hsl(var(--shadow-base) / 0.9) 70%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, hsl(var(--shadow-base) / 0.6) 30%, hsl(var(--shadow-base) / 0.9) 70%);
    z-index: 1;
    animation: ptn91-grid-glide 14s linear infinite;
}
.ptn91-hero-rays {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent 0,
        transparent 80px,
        hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.05) 80px,
        hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.05) 81px
    );
    z-index: 1;
    mix-blend-mode: screen;
}

.ptn91-hero-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-8) var(--space-5) var(--space-12);
    max-width: 64rem;
    margin: 0 auto;
}
.ptn91-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-6);
    padding: 0.45rem 1.1rem;
    border: 1px solid hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.35);
    background: hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.05);
    border-radius: 999px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    text-shadow: 0 0 14px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.5);
}
.ptn91-eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: ptn91-mark-pulse 1.8s ease-in-out infinite;
}
.ptn91-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 4.75rem);
    line-height: 1.05;
    margin: 0 0 var(--space-5);
    color: hsl(var(--fg-1));
    max-width: 22ch;
    letter-spacing: -0.015em;
    text-shadow:
        0 2px 16px hsl(var(--bg-0) / 0.8),
        2px 0 0 hsl(var(--chrom-red) / 0.35),
        -2px 0 0 hsl(var(--chrom-cyan) / 0.35);
}
.ptn91-hero-title-accent {
    display: block;
    margin-top: 0.25em;
    color: var(--accent);
}
.ptn91-hero-sub {
    font-size: 1.125rem;
    line-height: 1.65;
    color: hsl(var(--fg-2));
    max-width: 40rem;
    margin: 0 auto var(--space-8);
}
.ptn91-hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}
.ptn91-hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    font-size: 0.875rem;
    color: hsl(var(--fg-3));
}
.ptn91-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.ptn91-meta-item strong {
    color: hsl(var(--fg-1));
    font-weight: 700;
    margin-right: 0.25rem;
}
.ptn91-meta-divider {
    width: 1px;
    height: 16px;
    background: hsl(var(--line-1));
    display: none;
}

.ptn91-stars {
    display: inline-flex;
    gap: 1px;
    margin-right: 0.4rem;
}
.ptn91-star {
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--accent);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z'/%3E%3C/svg%3E") center/contain no-repeat;
    filter: drop-shadow(0 0 4px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.6));
}
.ptn91-star-half {
    background: linear-gradient(90deg, var(--accent) 50%, hsl(var(--fg-3) / 0.5) 50%);
}

/* Stat bar at bottom of hero */
.ptn91-hero-statbar {
    position: relative;
    z-index: 2;
    width: 100%;
    background: var(--grad-statbar);
    border-top: var(--line-glow);
    border-bottom: var(--line-soft);
    box-shadow: 0 -8px 32px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.12);
}
.ptn91-hero-statbar > .ptn91-stat-cell {
    /* placeholder reset */
}
.ptn91-hero-statbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.ptn91-stat-cell {
    padding: var(--space-6) var(--space-5);
    text-align: center;
    border-right: var(--line-soft);
    border-bottom: var(--line-soft);
    position: relative;
}
.ptn91-stat-cell:nth-child(2n) { border-right: none; }
.ptn91-stat-cell:nth-child(n+3) { border-bottom: none; }
.ptn91-stat-cell::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -1px;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    transition: width 0.4s var(--ease-out-3);
}
.ptn91-stat-cell:hover::before { width: 60%; }
.ptn91-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.4rem;
    text-shadow: 0 0 18px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
    font-variant-numeric: tabular-nums;
}
.ptn91-stat-lbl {
    display: block;
    font-size: 0.78rem;
    color: hsl(var(--fg-3));
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---------- ABOUT ---------- */
.ptn91-about-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
}
.ptn91-about-text p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: hsl(var(--fg-2));
    margin: 0 0 var(--space-5);
    max-width: 64ch;
}
.ptn91-about-text .ptn91-section-label { margin-bottom: var(--space-3); }
.ptn91-about-text .ptn91-section-title { text-align: left; margin-bottom: var(--space-6); }
.ptn91-about-foot {
    font-size: 0.95rem;
    color: hsl(var(--fg-3));
    border-left: 2px solid var(--accent);
    padding: 0.4rem 0 0.4rem var(--space-4);
    margin-top: var(--space-6);
}
.ptn91-about-foot a { color: var(--accent); }

.ptn91-about-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}
.ptn91-about-figure {
    margin: 0;
    border-radius: 1rem;
    overflow: hidden;
    border: var(--line-soft);
    box-shadow:
        var(--shadow-mid),
        var(--shadow-glow-soft);
}
.ptn91-about-figure img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1200 / 630;
    object-fit: cover;
}
.ptn91-about-figure figcaption {
    padding: var(--space-4) var(--space-5);
    background: hsl(var(--bg-1));
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
    line-height: 1.55;
    border-top: var(--line-soft);
}

.ptn91-fact-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}
.ptn91-fact {
    padding: var(--space-5) var(--space-3);
    text-align: center;
    background: var(--grad-card);
    border: var(--line-soft);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-low);
}
.ptn91-fact-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.85rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.4rem;
    text-shadow: 0 0 14px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
}
.ptn91-fact-num small {
    font-size: 0.65em;
    color: hsl(var(--fg-3));
    margin-left: 0.15em;
}
.ptn91-fact-lbl {
    display: block;
    font-size: 0.72rem;
    color: hsl(var(--fg-3));
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.35;
}

/* ---------- FEATURES ---------- */
.ptn91-feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}
.ptn91-feat {
    position: relative;
    padding: var(--space-6);
    background: var(--grad-card);
    border-radius: 1rem;
    box-shadow: var(--shadow-low);
    transition: transform 0.3s var(--ease-out-3), box-shadow 0.3s var(--ease-out-3);
}
.ptn91-feat:hover {
    transform: translateY(-4px);
}
.ptn91-feat-num {
    position: absolute;
    top: var(--space-4);
    right: var(--space-5);
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
    letter-spacing: 0.05em;
}
.ptn91-feat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 0.85rem;
    background:
        radial-gradient(circle at 30% 30%, hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.25), transparent 70%),
        hsl(var(--bg-2));
    color: var(--accent);
    margin-bottom: var(--space-5);
    box-shadow: inset 0 0 0 1px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.3), var(--shadow-glow-soft);
}
.ptn91-feat h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    margin: 0 0 var(--space-3);
    color: hsl(var(--fg-1));
    letter-spacing: -0.005em;
}
.ptn91-feat p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: hsl(var(--fg-2));
    margin: 0;
}

/* ---------- TRUST BAR ---------- */
.ptn91-trustbar {
    background:
        linear-gradient(90deg, hsl(var(--synth-purple-4)) 0%, hsl(var(--bg-1)) 50%, hsl(var(--synth-cyan-3)) 100%);
    border-top: var(--line-glow);
    border-bottom: var(--line-glow);
    padding: var(--space-5) var(--space-5);
    margin: var(--space-12) 0;
    box-shadow:
        0 0 32px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.15),
        inset 0 1px 0 var(--white-alpha-08);
}
.ptn91-trustbar-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}
.ptn91-trust-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: hsl(var(--fg-2));
    line-height: 1.4;
}
.ptn91-trust-cell strong {
    color: hsl(var(--fg-1));
    font-weight: 700;
    font-size: 1rem;
}
.ptn91-trust-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-muted);
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow-soft);
}

/* ---------- MIRRORS ---------- */
.ptn91-mirror-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    max-width: 60rem;
    margin: 0 auto;
}
.ptn91-mirror-card {
    padding: var(--space-6);
    background: var(--grad-card);
    border-radius: 1rem;
    position: relative;
}
.ptn91-mirror-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-3);
}
.ptn91-mirror-label {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: hsl(var(--fg-1));
    letter-spacing: 0.01em;
}
.ptn91-mirror-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 999px;
    background: hsl(var(--status-ok) / 0.12);
    color: hsl(var(--status-ok));
    border: 1px solid hsl(var(--status-ok) / 0.4);
}
.ptn91-onion-string {
    display: block;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.78rem;
    color: var(--accent);
    background: hsl(var(--bg-0));
    padding: var(--space-4);
    border-radius: 0.5rem;
    border: var(--line-soft);
    word-break: break-all;
    line-height: 1.55;
    margin-bottom: var(--space-5);
    text-shadow: 0 0 8px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.3);
    box-shadow: inset 0 0 24px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.06);
}
.ptn91-mirror-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: hsl(var(--bg-2) / 0.5);
    border-radius: 0.5rem;
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
}
.ptn91-mirror-meta strong {
    color: hsl(var(--fg-2));
    font-weight: 600;
    margin-right: 0.4rem;
}
.ptn91-mirror-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.ptn91-mirror-note {
    max-width: 60rem;
    margin: var(--space-8) auto 0;
    text-align: center;
    font-size: 0.95rem;
    color: hsl(var(--fg-3));
    line-height: 1.7;
}
.ptn91-mirror-note a { color: var(--accent); }

/* ---------- HOW-TO ---------- */
.ptn91-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-12);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}
.ptn91-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-5);
    padding: var(--space-6);
    background: var(--grad-card);
    border: var(--line-soft);
    border-radius: 1rem;
    position: relative;
    transition: border-color 0.3s var(--ease-out-3), transform 0.3s var(--ease-out-3);
}
.ptn91-step:hover {
    border-color: hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.45);
    transform: translateX(4px);
}
.ptn91-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 3px;
    background: linear-gradient(180deg, transparent, var(--accent), transparent);
    box-shadow: 0 0 10px var(--accent);
    border-radius: 2px;
    opacity: 0.001;
    transition: opacity 0.3s var(--ease-out-3);
}
.ptn91-step:hover::before { opacity: 1; }
.ptn91-step-num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--accent);
    line-height: 1;
    text-shadow: 0 0 16px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.45);
    min-width: 3.5rem;
}
.ptn91-step-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 0 0 var(--space-3);
    color: hsl(var(--fg-1));
}
.ptn91-step-body p {
    font-size: 0.975rem;
    line-height: 1.7;
    color: hsl(var(--fg-2));
    margin: 0;
}
.ptn91-step-fig {
    grid-column: 1 / -1;
    margin: var(--space-4) 0 0;
    border-radius: 0.75rem;
    overflow: hidden;
    border: var(--line-soft);
    box-shadow: var(--shadow-low);
}
.ptn91-step-fig img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.ptn91-howto-aside {
    padding: var(--space-6);
    border-radius: 1rem;
    margin-bottom: var(--space-8);
}
.ptn91-howto-aside h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    margin: 0 0 var(--space-3);
    color: hsl(var(--fg-1));
}
.ptn91-howto-aside p {
    font-size: 0.95rem;
    color: hsl(var(--fg-2));
    margin: 0 0 var(--space-4);
    line-height: 1.65;
}
.ptn91-check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}
.ptn91-check-list li {
    position: relative;
    padding: 0.55rem 0 0.55rem 2rem;
    font-size: 0.9rem;
    color: hsl(var(--fg-2));
    line-height: 1.5;
    border-bottom: 1px dashed hsl(var(--line-1) / 0.45);
}
.ptn91-check-list li:last-child { border-bottom: none; }
.ptn91-check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: var(--accent);
    box-shadow: 0 0 10px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.45);
}
.ptn91-check-list li::after {
    content: '✓';
    position: absolute;
    left: 1px;
    top: 0.55rem;
    color: hsl(var(--bg-0));
    font-size: 0.8rem;
    font-weight: 800;
    width: 14px;
    text-align: center;
}
.ptn91-check-list em {
    color: hsl(var(--fg-1));
    font-style: normal;
    font-weight: 600;
}

.ptn91-howto-payments {
    padding: var(--space-6);
    border: 1px dashed hsl(var(--line-1));
    border-radius: 1rem;
    background: hsl(var(--bg-1) / 0.5);
}
.ptn91-howto-payments h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 0 0 var(--space-3);
    color: hsl(var(--fg-1));
}
.ptn91-howto-payments p {
    font-size: 0.975rem;
    line-height: 1.7;
    color: hsl(var(--fg-2));
    margin: 0;
}
.ptn91-howto-payments a { color: var(--accent); }

/* ---------- COMMUNITY ---------- */
.ptn91-community-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    align-items: start;
}
.ptn91-community-text p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: hsl(var(--fg-2));
    margin: 0 0 var(--space-5);
}
.ptn91-community-text a { color: var(--accent); }
.ptn91-community-stats {
    padding: var(--space-6);
    border-radius: 1rem;
}
.ptn91-community-stats h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin: 0 0 var(--space-5);
    color: hsl(var(--fg-1));
    padding-bottom: var(--space-3);
    border-bottom: var(--line-soft);
}
.ptn91-defs {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin: 0 0 var(--space-5);
}
.ptn91-defs > div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px dashed hsl(var(--line-1) / 0.5);
}
.ptn91-defs > div:last-child { border-bottom: none; padding-bottom: 0; }
.ptn91-defs dt {
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.ptn91-defs dd {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent);
    margin: 0;
    text-shadow: 0 0 12px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.35);
}
.ptn91-community-note {
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
    line-height: 1.6;
    margin: 0;
    padding-top: var(--space-3);
    border-top: var(--line-soft);
}

/* Glass utility (for elements not from _effects.css) */
.ptn91-glass {
    background: hsl(var(--bg-1) / 0.55);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    border: var(--line-soft);
    box-shadow:
        var(--shadow-mid),
        inset 0 1px 0 var(--white-alpha-08);
}

/* ---------- FAQ ---------- */
.ptn91-faq-list {
    max-width: 60rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.ptn91-faq-item {
    background: var(--grad-card);
    border: var(--line-soft);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: border-color 0.3s var(--ease-out-3);
}
.ptn91-faq-item[open] {
    border-color: hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.4);
    box-shadow: var(--shadow-glow-soft);
}
.ptn91-faq-item summary {
    padding: var(--space-5) var(--space-6);
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: hsl(var(--fg-1));
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    list-style: none;
    transition: color 0.2s var(--ease-out-3);
}
.ptn91-faq-item summary::-webkit-details-marker { display: none; }
.ptn91-faq-item summary::after {
    content: '+';
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s var(--ease-out-3);
    flex-shrink: 0;
}
.ptn91-faq-item[open] summary::after { transform: rotate(45deg); }
.ptn91-faq-item summary:hover { color: var(--accent); }
.ptn91-faq-item p {
    padding: 0 var(--space-6) var(--space-5);
    margin: 0;
    font-size: 0.975rem;
    line-height: 1.7;
    color: hsl(var(--fg-2));
}
.ptn91-faq-followup {
    max-width: 60rem;
    margin: var(--space-8) auto 0;
    padding: var(--space-6);
    background: hsl(var(--bg-1) / 0.5);
    border-radius: 1rem;
    border-left: 3px solid var(--accent);
}
.ptn91-faq-followup h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin: 0 0 var(--space-3);
    color: hsl(var(--fg-1));
}
.ptn91-faq-followup p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: hsl(var(--fg-2));
    margin: 0;
}
.ptn91-faq-followup a { color: var(--accent); }

/* ---------- CTA ---------- */
.ptn91-cta {
    position: relative;
    padding: var(--space-24) var(--space-5);
    margin: var(--space-12) 0 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 50%, hsl(var(--synth-purple-1) / 0.4) 0%, transparent 60%),
        linear-gradient(180deg, hsl(var(--bg-1)) 0%, hsl(var(--bg-0)) 100%);
    border-top: var(--line-glow);
    border-bottom: var(--line-glow);
    box-shadow:
        0 0 60px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.2),
        inset 0 1px 0 var(--white-alpha-08);
}
.ptn91-cta-aurora {
    position: absolute;
    inset: -50%;
    background:
        radial-gradient(ellipse at 30% 50%, hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.25), transparent 50%),
        radial-gradient(ellipse at 70% 30%, hsl(var(--synth-purple-3) / 0.2), transparent 50%),
        radial-gradient(ellipse at 50% 80%, hsl(var(--synth-cyan-2) / 0.18), transparent 50%);
    animation: ptn91-cta-aurora 18s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes ptn91-cta-aurora {
    0% { transform: rotate(0) scale(1); }
    100% { transform: rotate(8deg) scale(1.08); }
}
.ptn91-cta-rings {
    width: 600px;
    height: 600px;
    opacity: 0.35;
}
.ptn91-cta-inner {
    position: relative;
    z-index: 2;
    max-width: 50rem;
    margin: 0 auto;
    text-align: center;
}
.ptn91-cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;
    margin: var(--space-4) 0 var(--space-5);
    color: hsl(var(--fg-1));
    letter-spacing: -0.01em;
}
.ptn91-cta-sub {
    font-size: 1.125rem;
    line-height: 1.65;
    color: hsl(var(--fg-2));
    margin: 0 0 var(--space-8);
}
.ptn91-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.ptn91-cta-foot {
    font-size: 0.85rem;
    color: hsl(var(--fg-3));
    margin: 0;
    letter-spacing: 0.05em;
}

/* ---------- FOOTER ---------- */
.ptn91-footer {
    background: hsl(var(--bg-0));
    border-top: var(--line-soft);
    padding: var(--space-12) var(--space-5) var(--space-8);
    position: relative;
    z-index: 2;
}
.ptn91-footer-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: var(--line-soft);
}
.ptn91-footer-brand p {
    font-size: 0.9rem;
    color: hsl(var(--fg-3));
    line-height: 1.65;
    margin: var(--space-4) 0 0;
    max-width: 28rem;
}
.ptn91-footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: hsl(var(--fg-1));
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 0 0 var(--space-4);
}
.ptn91-footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.ptn91-footer-col a {
    font-size: 0.875rem;
    color: hsl(var(--fg-3));
    text-decoration: none;
    transition: color 0.2s var(--ease-out-3);
}
.ptn91-footer-col a:hover { color: var(--accent); }
.ptn91-footer-bottom {
    max-width: var(--maxw);
    margin: var(--space-6) auto 0;
    text-align: center;
    font-size: 0.78rem;
    color: hsl(var(--fg-3));
}
.ptn91-footer-bottom p { margin: 0 0 var(--space-2); max-width: none; }
.ptn91-footer-disclaimer { max-width: 50rem; margin-left: auto !important; margin-right: auto !important; line-height: 1.55; }
.ptn91-footer-stamp { margin-top: var(--space-3); opacity: 0.7; }

/* ============================================================
   Animations / keyframes
   ============================================================ */
@keyframes ptn91-mark-pulse {
    0%, 100% { box-shadow: 0 0 8px var(--accent), 0 0 0 2px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.18); }
    50% { box-shadow: 0 0 16px var(--accent), 0 0 0 4px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.08); }
}
@keyframes ptn91-grid-glide {
    from { background-position: 0 0, 0 0; }
    to { background-position: 0 60px, 60px 0; }
}
@keyframes ptn91-float-y {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
@keyframes ptn91-scan-sweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================================
   Responsive — mobile first → up
   ============================================================ */
@media (min-width: 600px) {
    .ptn91-hero-statbar { grid-template-columns: repeat(4, 1fr); }
    .ptn91-stat-cell:nth-child(2n) { border-right: var(--line-soft); }
    .ptn91-stat-cell:nth-child(n+3) { border-bottom: none; }
    .ptn91-stat-cell:last-child { border-right: none; }

    .ptn91-trustbar-inner { grid-template-columns: repeat(4, 1fr); }
    .ptn91-meta-divider { display: inline-block; }
}

@media (min-width: 760px) {
    .ptn91-nav-links { display: flex; }
    .ptn91-nav-cta { display: inline-flex; }
    .ptn91-burger { display: none; }

    .ptn91-feature-grid { grid-template-columns: 1fr 1fr; }

    .ptn91-mirror-grid { grid-template-columns: 1fr 1fr; }

    .ptn91-step-with-image { grid-template-columns: auto 1fr 220px; }
    .ptn91-step-with-image .ptn91-step-fig {
        grid-column: auto;
        margin: 0;
        align-self: center;
    }

    .ptn91-check-list { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 980px) {
    .ptn91-section { padding: var(--space-24) var(--space-8); }

    .ptn91-about-inner { grid-template-columns: 1.4fr 1fr; gap: var(--space-16); }

    .ptn91-section-head { margin-bottom: var(--space-16); }

    .ptn91-community-grid { grid-template-columns: 1.5fr 1fr; gap: var(--space-12); }

    .ptn91-footer-inner { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}

@media (min-width: 1200px) {
    .ptn91-hero-title { font-size: 4.5rem; }
    .ptn91-section-title { font-size: clamp(2rem, 3.5vw, 3rem); }
}

/* ============================================================
   Reduced motion — kill animations
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .ptn91-hero-grid { animation: none; transform: none; }
    .ptn91-cta-aurora { animation: none; }
    .ptn91-status-dot, .ptn91-eyebrow-dot, .ptn91-brand-mark { animation: none; }
}

/* === INNER PAGES — getting-started / onion-links =================== */

.ptn91-skip-link { position: absolute; left: -9999px; }
.ptn91-skip-link:focus { left: 1rem; top: 1rem; z-index: 999; }

/* Neon accent text (used in onion-links hero) */
.ptn91-neon {
  color: var(--accent);
  text-shadow: 0 0 18px hsl(var(--accent-h, 280) var(--accent-s, 80%) var(--accent-l, 65%) / 0.6);
}

/* Badge */
.ptn91-badge-online {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 700;
  padding: 0.25rem 0.75rem; border-radius: 2rem;
  background: hsl(140 50% 14%); color: hsl(140 70% 60%);
  border: 1px solid hsl(140 50% 25%);
}
.ptn91-badge-online::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: hsl(140 70% 60%); flex-shrink: 0;
}

/* Intro section (getting-started) */
.ptn91-intro {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
  background: hsl(var(--bg-1, 280 15% 9%));
  border-bottom: 1px solid hsl(var(--accent-h, 280) 40% 30% / 0.2);
}
.ptn91-intro-content {
  max-width: 800px; margin: 0 auto;
}
.ptn91-intro-content p {
  font-size: 1rem; line-height: 1.75; color: hsl(var(--fg-2));
  margin: 0 0 1rem;
}
.ptn91-intro-content h2 {
  font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800; color: hsl(var(--fg-1)); margin: 1.5rem 0 0.75rem;
}
.ptn91-intro-content ul, .ptn91-intro-content ol {
  padding-left: 1.5rem; margin: 0 0 1rem;
}
.ptn91-intro-content li {
  font-size: 0.95rem; line-height: 1.7; color: hsl(var(--fg-2)); margin-bottom: 0.4rem;
}
.ptn91-intro-content a { color: var(--accent); }
.ptn91-intro-content code {
  font-family: monospace; font-size: 0.875em;
  background: hsl(var(--bg-0, 280 20% 5%));
  border: 1px solid hsl(var(--accent-h, 280) 40% 30% / 0.25);
  padding: 0.1em 0.4em; border-radius: 3px;
}
.ptn91-intro-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 1rem 0; padding: 0.75rem 1.25rem;
  background: hsl(var(--bg-0));
  font-style: italic; color: hsl(var(--fg-2));
}

/* Mirrors full page section */
.ptn91-mirrors-full {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
}
.ptn91-mirrors-full .ptn91-section-title {
  max-width: 1000px; margin: 0 auto 2rem;
}

/* Verification section */
.ptn91-verification {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
  background: hsl(var(--bg-1, 280 15% 9%));
}
.ptn91-verification h2 {
  font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800; color: hsl(var(--fg-1)); margin: 0 0 1.5rem;
  max-width: 1000px;
}
.ptn91-verification p {
  font-size: 0.95rem; line-height: 1.75; color: hsl(var(--fg-2));
  max-width: 72ch; margin: 0 0 1rem;
}
.ptn91-verification ol, .ptn91-verification ul {
  padding-left: 1.5rem; max-width: 65ch; margin: 0 0 1rem;
}
.ptn91-verification li {
  font-size: 0.9rem; line-height: 1.7; color: hsl(var(--fg-2)); margin-bottom: 0.4rem;
}
.ptn91-verification code {
  font-family: monospace; font-size: 0.875em;
  background: hsl(var(--bg-0)); padding: 0.1em 0.4em; border-radius: 3px;
  border: 1px solid hsl(var(--accent-h, 280) 40% 30% / 0.2);
}

/* Comparison section */
.ptn91-comparison {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
}
.ptn91-comparison table {
  width: 100%; border-collapse: collapse; font-size: 0.88rem;
  max-width: 1000px; margin: 0 auto;
}
.ptn91-comparison th, .ptn91-comparison td {
  text-align: left; padding: 0.85rem 1rem;
  border: 1px solid hsl(var(--accent-h, 280) 40% 25% / 0.2);
  color: hsl(var(--fg-2));
}
.ptn91-comparison th {
  background: hsl(var(--bg-1)); font-weight: 700; color: hsl(var(--fg-1));
}
.ptn91-comparison tr:nth-child(even) td { background: hsl(var(--bg-1) / 0.5); }

/* Neon cards */
.ptn91-neon-card {
  background: hsl(var(--bg-1));
  border: 1px solid hsl(var(--accent-h, 280) var(--accent-s, 80%) 50% / 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 0 16px hsl(var(--accent-h, 280) var(--accent-s, 80%) 50% / 0.08);
}
.ptn91-neon-card h3 { font-size: 1rem; font-weight: 700; color: var(--accent); margin: 0 0 0.6rem; }
.ptn91-neon-card p  { font-size: 0.875rem; line-height: 1.65; color: hsl(var(--fg-2)); margin: 0; }

/* Rings decoration */
.ptn91-rings {
  position: absolute; right: -80px; top: 50%; transform: translateY(-50%);
  width: 320px; height: 320px; pointer-events: none; opacity: 0.12;
}

/* Resources */
.ptn91-resources {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
  background: hsl(var(--bg-1));
}
.ptn91-resources h2 {
  font-family: var(--font-display); font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800; color: hsl(var(--fg-1)); margin: 0 0 1.5rem;
}
.ptn91-resources ul { list-style: none; padding: 0; margin: 0; max-width: 800px; }
.ptn91-resources li {
  border-bottom: 1px solid hsl(var(--accent-h, 280) 40% 25% / 0.15);
  padding: 0.75rem 0;
}
.ptn91-resources li:last-child { border-bottom: none; }
.ptn91-resources a {
  color: hsl(var(--fg-2)); text-decoration: none; font-size: 0.9rem;
  display: flex; align-items: center; gap: 0.75rem; transition: color 0.15s;
}
.ptn91-resources a::before { content: '↗'; color: var(--accent); flex-shrink: 0; }
.ptn91-resources a:hover { color: var(--accent); }

/* FAQ section inner */
.ptn91-faq-section {
  padding: clamp(3rem, 6vh, 5rem) var(--gutter, 1.5rem);
}
.ptn91-faq-section details {
  border-bottom: 1px solid hsl(var(--accent-h, 280) 40% 25% / 0.2);
  max-width: 800px; margin: 0 auto;
}
.ptn91-faq-section details summary {
  padding: 1.1rem 0; font-weight: 600; color: hsl(var(--fg-1));
  cursor: pointer; list-style: none; display: flex; justify-content: space-between;
}
.ptn91-faq-section details summary::-webkit-details-marker { display: none; }
.ptn91-faq-section details summary::after {
  content: '+'; color: var(--accent); font-size: 1.2rem;
  transition: transform 0.2s;
}
.ptn91-faq-section details[open] > summary::after { content: '−'; }
.ptn91-faq-section details[open] > div {
  padding-bottom: 1rem; font-size: 0.9rem; line-height: 1.75; color: hsl(var(--fg-2));
}
.ptn91-faq-section details[open] > div p { margin: 0 0 0.6rem; }
.ptn91-faq-section details[open] > div a { color: var(--accent); }