/* ============================================================
   ZONE ZERO CHATSWORTH · "SANDSTONE & RAIL"
   Identity: Stoney Point sandstone at dusk, chaparral sage,
   1904 Santa Susana rail-era slab type. Besley + Albert Sans.
   ============================================================ */
:root{
  /* Identity tokens */
  --zz-rock:#433023;        /* sandstone shadow umber, dark sections */
  --zz-rock-deep:#2F2118;   /* nav + footer, deepest surface */
  --zz-sandstone:#D89A6A;   /* lit sandstone, accents on dark */
  --zz-rust:#A34E22;        /* iron-oxide rust, primary accent */
  --zz-rust-deep:#7E3C18;   /* links and AA text accent on light */
  --zz-sage:#5C6B4C;        /* chaparral sage, secondary */
  --zz-sage-deep:#44523A;   /* sage dark */
  --zz-buff:#F6EFE4;        /* buff canvas, light surface */
  --zz-ink:#241C15;         /* body ink */
  --zz-hairline:#DFD3C1;    /* rules and card borders */
  /* Network-invariant phase badges (never restyle) */
  --zz-p1-bg:#fdf0f2; --zz-p1-fg:#BF0A30;
  --zz-p2-bg:#FDF6EC; --zz-p2-fg:#83460D;
  --zz-now-bg:#BF0A30; --zz-now-fg:#ffffff;
  --zz-bp-bg:#EEF2FF; --zz-bp-fg:#003DA5;
  --zz-font-display:'Besley',Georgia,serif;
  --zz-font-body:'Albert Sans',-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--zz-font-body);color:var(--zz-ink);background:var(--zz-buff);line-height:1.65;font-size:17px}
.zz-container{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--zz-font-display);font-weight:600;line-height:1.18}
img,svg{display:block;max-width:100%}
a{color:var(--zz-rust-deep)}
section{padding:92px 0}

/* ---- Eyebrows ---- */
.zz-eyebrow,.zz-eyebrow-light{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px}
.zz-eyebrow{color:var(--zz-rust-deep)}
.zz-eyebrow-light{color:var(--zz-sandstone)}
.zz-eyebrow::before,.zz-eyebrow-light::before{content:"";width:30px;height:3px;border-top:1px solid var(--zz-rust);border-bottom:1px solid var(--zz-rust)}
.zz-eyebrow-light::before{border-color:var(--zz-sandstone)}

/* ---- Rail rule: twin-track divider, the signature motif ---- */
.zz-rail-rule{border:0;height:7px;margin:0;background:
  repeating-linear-gradient(90deg,var(--zz-hairline) 0 14px,transparent 14px 28px) center/100% 7px no-repeat;
  border-top:1px solid var(--zz-hairline);border-bottom:1px solid var(--zz-hairline)}

/* ---- Buttons ---- */
.zz-btn,.zz-btn-ghost{display:inline-block;font-family:var(--zz-font-body);font-size:15px;font-weight:600;letter-spacing:.03em;text-decoration:none;padding:15px 32px;border:0;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.zz-btn{color:#fff;background:linear-gradient(160deg,#B85B2C 0%,var(--zz-rust) 55%,#8A431E 100%);border-radius:3px;box-shadow:0 3px 0 var(--zz-rust-deep)}
.zz-btn:hover{transform:translateY(-2px);box-shadow:0 5px 0 var(--zz-rust-deep)}
.zz-btn-ghost{color:var(--zz-buff);border:1px solid var(--zz-sandstone);background:transparent;border-radius:3px}
.zz-btn-ghost:hover{background:rgba(216,154,106,.14)}
.zz-btn-ghost.zz-on-light{color:var(--zz-rock);border-color:var(--zz-rust)}
.zz-btn-ghost.zz-on-light:hover{background:rgba(163,78,34,.09)}

/* ---- Nav ---- */
.zz-nav{background:var(--zz-rock-deep);border-bottom:3px double rgba(216,154,106,.5);position:sticky;top:0;z-index:50}
.zz-nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.zz-logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.zz-logo-mark{width:34px;height:34px;flex:none}
.zz-logo-text{font-family:var(--zz-font-display);font-size:16.5px;font-weight:700;letter-spacing:.06em;color:var(--zz-buff)}
.zz-logo-text b{color:var(--zz-sandstone);font-weight:700}
.zz-nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.zz-nav-links a{font-size:14.5px;font-weight:500;color:var(--zz-buff);text-decoration:none;letter-spacing:.02em}
.zz-nav-links a:hover{color:var(--zz-sandstone)}
.zz-nav-cta{font-size:13.5px !important;padding:10px 20px !important;color:#fff !important}
.zz-nav-toggle{display:none;background:none;border:1px solid var(--zz-sandstone);color:var(--zz-sandstone);font-size:12px;letter-spacing:.12em;padding:8px 14px;text-transform:uppercase;font-family:var(--zz-font-body);cursor:pointer}
.zz-nav-mobile{display:none;background:var(--zz-rock-deep);border-top:1px solid rgba(216,154,106,.3);padding:14px 24px 22px;list-style:none}
.zz-nav-mobile li{margin:12px 0}
.zz-nav-mobile a{color:var(--zz-buff);text-decoration:none;font-size:16px}
.zz-nav-mobile.zz-open{display:block}

/* ---- Hero (left-aligned ledge layout, distinct from ZZLA's centered hero) ---- */
.zz-hero{background:var(--zz-rock);color:var(--zz-buff);position:relative;overflow:hidden}
.zz-hero-ridge{position:absolute;left:0;right:0;bottom:0;pointer-events:none;opacity:.9}
.zz-hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:84px 0 120px}
.zz-h1{font-size:clamp(36px,5vw,58px);margin:22px 0 26px;color:var(--zz-buff)}
.zz-h1-accent{color:var(--zz-sandstone)}
.zz-quick-answer{text-align:left;margin:0 0 34px;padding:20px 24px;border-left:3px solid var(--zz-sandstone);background:rgba(246,239,228,.06);font-size:17px;line-height:1.7;color:#EBDFCE}
.zz-quick-answer b{color:var(--zz-buff)}
.zz-hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.zz-hero-art{justify-self:center}

/* ---- Trestle stat row (rail-tie styling) ---- */
.zz-trestle{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:3px double rgba(216,154,106,.55);border-bottom:3px double rgba(216,154,106,.55);background:rgba(47,33,24,.5)}
.zz-tie{padding:24px 16px;text-align:center}
.zz-tie + .zz-tie{border-left:1px dashed rgba(216,154,106,.4)}
.zz-tie-label{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#C7B49D;margin-bottom:7px}
.zz-tie-value{font-family:var(--zz-font-display);font-size:20px;font-weight:700;color:var(--zz-sandstone)}

/* ---- Headings + body ---- */
.zz-h2{font-size:clamp(27px,3.4vw,38px);color:var(--zz-rock);margin-bottom:22px}
.zz-h2-light{font-size:clamp(27px,3.4vw,38px);color:var(--zz-buff);margin-bottom:22px}
.zz-h3{font-size:20px;color:var(--zz-rock);margin:30px 0 12px}
.zz-body{font-size:17px;color:#3D342A;margin-bottom:18px;max-width:64ch}
.zz-body-light{font-size:17px;color:#E3D7C4;margin-bottom:18px;max-width:64ch}
.zz-body b,.zz-body-light b{color:inherit}

/* ---- Two-column feature grid ---- */
.zz-split{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.zz-split-rev{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}

/* ---- Ledger card (fire record, AHJ card) ---- */
.zz-ledger{background:#fff;border:1px solid var(--zz-hairline);border-top:4px solid var(--zz-rust);padding:32px;border-radius:2px}
.zz-ledger-title{font-family:var(--zz-font-display);font-size:19px;color:var(--zz-rock);margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--zz-hairline)}
.zz-ledger-list{list-style:none}
.zz-ledger-item{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dotted var(--zz-hairline);font-size:15.5px}
.zz-ledger-item span:last-child{color:#6E6353;white-space:nowrap}
.zz-textlink{display:inline-block;margin-top:18px;font-weight:600;font-size:15px;color:var(--zz-rust-deep);text-decoration:none;border-bottom:1px solid var(--zz-rust)}
.zz-textlink:hover{color:var(--zz-rock)}

/* ---- Figures ---- */
.zz-fig{margin:0}
.zz-fig-label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--zz-rust-deep);margin-bottom:16px}
.zz-fig-note{font-size:14px;color:#6E6353;margin-top:14px;line-height:1.6}
.zz-fig-note b{color:var(--zz-rock)}
.zz-fig-wide{margin:48px 0 56px}

/* ---- Strata requirement rows (layout variation vs card grids) ---- */
.zz-strata{margin:48px 0 8px;border:1px solid var(--zz-hairline);border-radius:2px;background:#fff;overflow:hidden}
.zz-stratum{display:grid;grid-template-columns:160px 1fr;gap:26px;padding:28px 30px;align-items:start}
.zz-stratum + .zz-stratum{border-top:1px solid var(--zz-hairline)}
.zz-stratum:nth-child(even){background:#FBF6EC}
.zz-stratum-title{font-family:var(--zz-font-display);font-size:19px;color:var(--zz-rock);margin-bottom:8px}
.zz-stratum-text{font-size:15.5px;color:#3D342A;line-height:1.6;max-width:70ch}
.zz-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;padding:6px 12px;border-radius:2px}
.zz-badge-p1{background:var(--zz-p1-bg);color:var(--zz-p1-fg)}
.zz-badge-p2{background:var(--zz-p2-bg);color:var(--zz-p2-fg)}
.zz-badge-now{background:var(--zz-now-bg);color:var(--zz-now-fg)}
.zz-badge-bp{background:var(--zz-bp-bg);color:var(--zz-bp-fg)}

/* ---- Checklist / do-dont ---- */
.zz-dd-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:40px 0}
.zz-dd{background:#fff;border:1px solid var(--zz-hairline);padding:28px;border-radius:2px}
.zz-dd-out{border-top:4px solid var(--zz-p1-fg)}
.zz-dd-in{border-top:4px solid var(--zz-sage)}
.zz-dd h3{font-size:18px;color:var(--zz-rock);margin-bottom:14px}
.zz-dd ul{list-style:none}
.zz-dd li{padding:8px 0 8px 26px;position:relative;font-size:15.5px;border-bottom:1px dotted var(--zz-hairline)}
.zz-dd li:last-child{border-bottom:0}
.zz-dd-out li::before{content:"\00d7";position:absolute;left:2px;color:var(--zz-p1-fg);font-weight:700}
.zz-dd-in li::before{content:"\2713";position:absolute;left:2px;color:var(--zz-sage-deep);font-weight:700}

/* ---- Dark enforcement band ---- */
.zz-dark{background:var(--zz-rock);position:relative;overflow:hidden}
.zz-dark::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 85% 70% at 92% 8%,rgba(216,154,106,.13),transparent 55%);pointer-events:none}
.zz-dark .zz-container{position:relative}
.zz-ahj-card{border:1px solid rgba(216,154,106,.5);padding:30px;background:rgba(47,33,24,.6);border-radius:2px}
.zz-ahj-name{font-family:var(--zz-font-display);font-size:20px;color:var(--zz-sandstone);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed rgba(216,154,106,.4)}
.zz-ahj-row{font-size:15.5px;color:#E3D7C4;padding:8px 0;display:flex;gap:12px}
.zz-ahj-row::before{content:"\2022";color:var(--zz-sandstone);flex:none}

/* ---- Timeline (deadlines) ---- */
.zz-timeline{list-style:none;margin:44px 0;border-left:3px solid var(--zz-rust);padding-left:0}
.zz-tl-item{position:relative;padding:0 0 34px 34px}
.zz-tl-item::before{content:"";position:absolute;left:-9px;top:6px;width:15px;height:15px;background:var(--zz-buff);border:3px solid var(--zz-rust);border-radius:50%}
.zz-tl-date{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--zz-rust-deep);margin-bottom:6px}
.zz-tl-title{font-family:var(--zz-font-display);font-size:19px;color:var(--zz-rock);margin-bottom:8px}
.zz-tl-text{font-size:15.5px;color:#3D342A;max-width:66ch}

/* ---- Table ---- */
.zz-table{width:100%;border-collapse:collapse;margin:36px 0;background:#fff;border:1px solid var(--zz-hairline);font-size:15.5px}
.zz-table th{background:var(--zz-rock);color:var(--zz-buff);font-family:var(--zz-font-body);font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase;text-align:left;padding:14px 16px}
.zz-table td{padding:14px 16px;border-top:1px solid var(--zz-hairline);vertical-align:top}
.zz-table tr:nth-child(even) td{background:#FBF6EC}

/* ---- Trust band ---- */
.zz-trust-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--zz-hairline);border-bottom:1px solid var(--zz-hairline);margin-bottom:72px}
.zz-trust-item{padding:28px 20px;text-align:center}
.zz-trust-item + .zz-trust-item{border-left:1px solid var(--zz-hairline)}
.zz-trust-value{font-family:var(--zz-font-display);font-size:16.5px;font-weight:700;color:var(--zz-rock);margin-bottom:8px}
.zz-trust-label{font-size:13.5px;color:#6E6353;line-height:1.5}

/* ---- FAQ ---- */
.zz-faq-wrap{max-width:760px;margin:40px auto 0}
.zz-faq-item{border-bottom:1px solid var(--zz-hairline)}
.zz-faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:21px 2px;font-family:var(--zz-font-display);font-size:18px;font-weight:600;color:var(--zz-rock)}
.zz-faq-item summary::-webkit-details-marker{display:none}
.zz-faq-q{font:inherit;margin:0;color:inherit}
.zz-faq-item summary::after{content:"+";font-family:var(--zz-font-body);font-size:24px;font-weight:400;color:var(--zz-rust-deep);flex:none;transition:transform .18s}
.zz-faq-item[open] summary::after{transform:rotate(45deg)}
.zz-faq-a{padding:0 2px 22px;font-size:16px;color:#3D342A;max-width:66ch}

/* ---- CTA box ---- */
.zz-cta-box{margin-top:80px;background:var(--zz-rock);color:var(--zz-buff);text-align:center;padding:64px 40px;position:relative;overflow:hidden;border-radius:2px;border-bottom:5px solid var(--zz-rust)}
.zz-cta-box::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 110% 100% at 50% 120%,rgba(216,154,106,.24),transparent 62%);pointer-events:none}
.zz-cta-inner{position:relative}
.zz-cta-title{font-size:clamp(25px,3vw,34px);color:var(--zz-buff);margin-bottom:14px}
.zz-cta-text{font-size:17px;color:#E3D7C4;max-width:54ch;margin:0 auto 32px}
.zz-cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---- Content page header ---- */
.zz-page-head{background:var(--zz-rock);color:var(--zz-buff);padding:66px 0 62px;position:relative;overflow:hidden}
.zz-page-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:7px;background:repeating-linear-gradient(90deg,rgba(216,154,106,.55) 0 14px,transparent 14px 28px)}
.zz-page-head .zz-h1{font-size:clamp(32px,4.2vw,48px);margin:18px 0 22px}
.zz-crumbs{font-size:13px;color:#C7B49D;margin-bottom:6px}
.zz-crumbs a{color:var(--zz-sandstone);text-decoration:none}
.zz-crumbs a:hover{text-decoration:underline}

/* ---- Form card ---- */
.zz-form-card{background:#fff;color:var(--zz-ink);padding:40px 36px;border:1px solid var(--zz-hairline);border-top:5px solid var(--zz-rust);border-radius:2px}
.zz-form-title{font-size:22px;color:var(--zz-rock);margin-bottom:6px}
.zz-form-sub{font-size:14.5px;color:#6E6353;margin-bottom:24px}
.zz-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.zz-field{margin-bottom:18px}
.zz-field label{display:block;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--zz-rock);margin-bottom:7px}
.zz-field input,.zz-field select,.zz-field textarea{width:100%;font-family:var(--zz-font-body);font-size:15.5px;color:var(--zz-ink);background:var(--zz-buff);border:1px solid var(--zz-hairline);padding:13px 14px;border-radius:2px;transition:border-color .15s,box-shadow .15s}
.zz-field textarea{min-height:92px;resize:vertical}
.zz-field input:focus,.zz-field select:focus,.zz-field textarea:focus{outline:none;border-color:var(--zz-rust);box-shadow:0 0 0 2px rgba(163,78,34,.2)}
.zz-checkset{border:0;padding:0}
.zz-checkset legend{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--zz-rock);margin-bottom:10px}
.zz-check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px}
.zz-check{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#3D342A;background:var(--zz-buff);border:1px solid var(--zz-hairline);padding:9px 11px;cursor:pointer;border-radius:2px;transition:border-color .15s,background .15s}
.zz-check:hover{border-color:var(--zz-rust)}
.zz-check input{margin-top:2px;accent-color:var(--zz-rust-deep);flex:none}
.zz-check:has(input:checked){border-color:var(--zz-rust-deep);background:#FBF3EA}
.zz-consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#3D342A;margin:4px 0 22px}
.zz-consent input{margin-top:3px;accent-color:var(--zz-rust-deep)}
.zz-form-card .zz-btn{width:100%;text-align:center;font-size:16px}
.zz-form-note{font-size:12.5px;color:#6E6353;margin-top:14px;text-align:center}
.zz-form-success,.zz-form-error{padding:18px;font-size:15.5px;border-radius:2px}
.zz-form-success{background:#EDF5EC;border:1px solid #2E6B34;color:#2E6B34}
.zz-form-error{background:#fdf0f2;border:1px solid #BF0A30;color:#BF0A30}
.zz-disclosure{font-size:13px;color:#6E6353;border-top:1px solid var(--zz-hairline);margin-top:22px;padding-top:16px;line-height:1.6}
.zz-steps{list-style:none;counter-reset:step;margin-bottom:34px}
.zz-step{counter-increment:step;display:flex;gap:18px;padding:15px 0;border-bottom:1px dashed rgba(216,154,106,.35);font-size:15.5px;color:#E3D7C4}
.zz-step::before{content:counter(step,decimal-leading-zero);font-family:var(--zz-font-display);font-size:22px;font-weight:700;color:var(--zz-sandstone);flex:none;line-height:1.2}
.zz-step b{color:var(--zz-buff)}
.zz-hero-phone{font-size:15.5px;color:#E3D7C4}
.zz-hero-phone a{color:var(--zz-sandstone);font-weight:600;text-decoration:none;border-bottom:1px solid var(--zz-sandstone)}

/* ---- Footer ---- */
.zz-footer{background:var(--zz-rock-deep);color:#C7B49D;padding:68px 0 34px;border-top:3px double rgba(216,154,106,.5)}
.zz-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:52px}
.zz-footer h4{font-family:var(--zz-font-body);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--zz-sandstone);margin-bottom:16px}
.zz-footer ul{list-style:none}
.zz-footer li{margin-bottom:10px}
.zz-footer a{font-size:14.5px;color:#E3D7C4;text-decoration:none}
.zz-footer a:hover{color:var(--zz-sandstone)}
.zz-footer-about p{font-size:14.5px;line-height:1.7;margin-top:16px;max-width:36ch}
.zz-footer-bottom{border-top:1px solid rgba(216,154,106,.3);padding-top:26px;font-size:13px;line-height:1.7}
.zz-footer-bottom p + p{margin-top:10px}

/* ---- Reveal micro-interaction ---- */
.zz-reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.zz-reveal.zz-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.zz-reveal{opacity:1;transform:none;transition:none}}

/* ---- Responsive ---- */
@media(max-width:991px){
  .zz-hero-inner{grid-template-columns:1fr;padding:64px 0 96px}
  .zz-hero-art{display:none}
}
@media(max-width:767px){
  section{padding:68px 0}
  .zz-nav-links{display:none}
  .zz-nav-toggle{display:block}
  .zz-trestle{grid-template-columns:repeat(2,1fr)}
  .zz-tie:nth-child(3){border-left:none}
  .zz-tie:nth-child(n+3){border-top:1px dashed rgba(216,154,106,.4)}
  .zz-split,.zz-split-rev{grid-template-columns:1fr;gap:40px}
  .zz-stratum{grid-template-columns:1fr;gap:12px;padding:24px 22px}
  .zz-dd-grid{grid-template-columns:1fr}
  .zz-trust-band{grid-template-columns:repeat(2,1fr)}
  .zz-trust-item:nth-child(3){border-left:none}
  .zz-trust-item:nth-child(n+3){border-top:1px solid var(--zz-hairline)}
  .zz-footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .zz-fc-grid{grid-template-columns:1fr !important;gap:44px}
}
@media(max-width:479px){
  .zz-hero-btns .zz-btn,.zz-hero-btns .zz-btn-ghost{width:100%;text-align:center}
  .zz-form-row,.zz-check-grid{grid-template-columns:1fr}
  .zz-form-card{padding:30px 22px}
  .zz-footer-grid{grid-template-columns:1fr}
  .zz-table{font-size:14px}
  .zz-table th,.zz-table td{padding:10px 10px}
}