.p17-environment-landing {
    --p17-canvas: #f4f7fb;
    --p17-surface: #ffffff;
    --p17-ink: #172033;
    --p17-muted: #5e6b7c;
    --p17-line: #d7e0ea;
    --p17-accent: #315efb;
    --p17-copper: #a16b3b;
    background: var(--p17-canvas);
    color: var(--p17-ink);
    font-family: Inter, "Segoe UI", sans-serif;
}

.p17-environment-landing .landing-shell {
    max-width: 1240px;
    gap: 0;
    padding: 24px 28px 54px;
}

.p17-environment-landing .landing-header {
    align-items: center;
    padding-bottom: 34px;
    border-bottom: 1px solid var(--p17-line);
}

.p17-environment-landing .landing-brand h1,
.p17-environment-landing .landing-hero h1,
.p17-environment-landing .landing-highlights h2,
.p17-environment-landing .landing-panel h2,
.p17-environment-landing .landing-ai-notice h3 {
    color: var(--p17-ink);
    font-family: "Source Serif 4", Georgia, serif;
    font-weight: 500;
    letter-spacing: -.03em;
}

.p17-environment-landing .landing-brand h1 { font-size: 28px; }
.p17-environment-landing .landing-tagline { color: var(--p17-muted); }
.p17-environment-landing .landing-nav a { color: var(--p17-muted); }
.p17-environment-landing .landing-nav a:hover { color: var(--p17-accent); }
.p17-environment-landing .landing-nav__cta { background: var(--p17-ink); color: #fff !important; border-radius: 999px; }
.p17-environment-landing .landing-platform-proof {
    grid-template-columns: minmax(280px, .72fr) minmax(420px, 1.28fr);
    margin: 30px 0 0;
    border: 0;
    border-left: 3px solid var(--p17-copper);
    border-radius: 0;
    background: var(--p17-surface);
    box-shadow: 0 16px 40px rgba(23, 32, 51, .06);
}
.p17-environment-landing .landing-platform-proof__title { color: var(--p17-ink); }
.p17-environment-landing .landing-platform-proof__copy { color: var(--p17-muted); }
.p17-environment-landing .landing-hero {
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    gap: 54px;
    min-height: 590px;
    padding: 74px 0 92px;
    border-bottom: 1px solid var(--p17-line);
}
.p17-environment-landing .landing-hero__text { max-width: 600px; }
.p17-environment-landing .hero-eyebrow,
.p17-environment-landing .panel-eyebrow { color: var(--p17-accent); letter-spacing: .14em; font-weight: 700; }
.p17-environment-landing .landing-hero h1 { margin-bottom: 22px; font-size: clamp(48px, 6vw, 76px); line-height: .98; }
.p17-environment-landing .landing-hero__text > p:not(.hero-eyebrow):not(.hero-micro):not(.hero-link) { max-width: 560px; color: var(--p17-muted); font-size: 18px; line-height: 1.68; }
.p17-environment-landing .btn--primary { background: var(--p17-accent); color: #fff; }
.p17-environment-landing .btn--ghost { border-color: var(--p17-line); color: var(--p17-ink); background: var(--p17-surface); }

.p17-environment-visual {
    position: relative;
    min-height: 410px;
    overflow: hidden;
    border: 1px solid var(--p17-line);
    background: var(--p17-surface);
}
.p17-environment-visual svg { position: absolute; inset: 18% 5% auto; width: 90%; height: auto; }
.environment-trace-line { fill: none; stroke: var(--p17-accent); stroke-linecap: round; stroke-width: 2; }
.environment-trace-line--soft { opacity: .24; }.environment-trace-line--dashed { stroke-dasharray: 3 10; opacity: .3; stroke-width: 1; }
.environment-trace-node { fill: var(--p17-accent); }
.environment-visual__ripple { position: absolute; top: 31%; left: 17%; width: 120px; height: 120px; border: 1px solid color-mix(in srgb, var(--p17-accent) 28%, transparent); border-radius: 50%; transform: translate(-50%, -50%); }
.environment-visual__ripple--two { width: 220px; height: 220px; opacity: .6; }.environment-visual__ripple--three { width: 340px; height: 340px; opacity: .34; }
.environment-visual__label { position: absolute; padding: 7px 10px; border: 1px solid var(--p17-line); background: var(--p17-surface); color: var(--p17-muted); font-size: 11px; font-weight: 600; }
.environment-visual__label--source { top: 56%; left: 6%; }.environment-visual__label--trace { top: 34%; left: 44%; }.environment-visual__label--question { top: 56%; right: 5%; }
.environment-visual__pulse { position: absolute; top: 51%; left: 8%; width: 10px; height: 10px; border: 2px solid var(--p17-accent); border-radius: 50%; background: var(--p17-surface); transform: translate(-50%, -50%); animation: p17-environment-pulse 4.2s ease-in-out infinite; }
@keyframes p17-environment-pulse { 0%, 10% { left: 8%; opacity: .2; } 30% { opacity: 1; } 90%, 100% { left: 92%; opacity: .25; } }

.p17-environment-landing .landing-highlights,
.p17-environment-landing .landing-panel,
.p17-environment-landing .landing-ai-notice { border-color: var(--p17-line); background: transparent; }
.p17-environment-landing .landing-highlights { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 24px; padding: 84px 0; }
.p17-environment-landing .landing-highlights > header { grid-column: 1 / -1; max-width: 720px; }
.p17-environment-landing .landing-highlights h2,
.p17-environment-landing .landing-panel h2 { font-size: 42px; }
.p17-environment-landing .feature-card,
.p17-environment-landing .sources-grid article { padding: 22px 0; border-top: 2px solid var(--p17-accent); border-radius: 0; background: transparent; box-shadow: none; }
.p17-environment-landing .feature-card p,
.p17-environment-landing .sources-grid article p,
.p17-environment-landing .landing-panel p,
.p17-environment-landing .landing-note { color: var(--p17-muted); line-height: 1.6; }
.p17-environment-landing .landing-panel { padding: 70px 0; border-width: 1px 0 0; border-radius: 0; }
.p17-environment-landing .landing-panel--split { grid-template-columns: 1fr 1fr; gap: 70px; }
.p17-environment-landing .landing-panel--sources { background: var(--p17-surface); padding-left: 28px; padding-right: 28px; }
.p17-environment-landing .panel-list { border-left-color: var(--p17-copper); }
.p17-environment-landing .landing-panel--cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.p17-environment-landing .landing-ai-notice { padding: 26px 0; border-width: 1px 0; border-radius: 0; }
.p17-environment-landing .public-legal-footer { color: var(--p17-muted); border-top-color: var(--p17-line); }

@media (max-width: 760px) {
    .p17-environment-landing .landing-shell { padding: 18px 18px 38px; }
    .p17-environment-landing .landing-header { align-items: flex-start; }
    .p17-environment-landing .landing-nav a:not(.landing-nav__cta):not(.landing-nav__link),
    .p17-environment-landing .locale-toggle--landing { display: none; }
    .p17-environment-landing .landing-platform-proof { grid-template-columns: 1fr; margin-top: 20px; padding: 18px; }
    .p17-environment-landing .landing-hero { grid-template-columns: 1fr; gap: 22px; padding: 52px 0 62px; min-height: 0; }
    .p17-environment-landing .landing-hero h1 { font-size: 50px; }
    .p17-environment-visual { min-height: 330px; }
    .p17-environment-landing .landing-highlights { grid-template-columns: 1fr; padding: 60px 0; }
    .p17-environment-landing .landing-highlights > header { grid-column: auto; }
    .p17-environment-landing .landing-highlights h2,
    .p17-environment-landing .landing-panel h2 { font-size: 36px; }
    .p17-environment-landing .landing-panel--split,
    .p17-environment-landing .landing-panel--cta { display: block; }
    .p17-environment-landing .landing-panel--cta .panel-cta-buttons { margin-top: 22px; }
}

@media (prefers-color-scheme: dark) {
    .p17-environment-landing { --p17-canvas: #0e141d; --p17-surface: #151d28; --p17-ink: #edf2f7; --p17-muted: #b6c1cf; --p17-line: #334155; --p17-accent: #7aa2ff; }
}

@media (prefers-reduced-motion: reduce) {
    .p17-environment-landing .environment-visual__pulse { animation: none; left: 92%; opacity: .65; }
}