/* American Precision Industries — site.css
   Palette: hull navy, billet silver, gelcoat white, port red (signal), starboard green (nav cleat only).
   Type: Archivo variable. Headlines use the wide cut (font-stretch 125%), body uses normal width. */

:root {
  --hull: #13284A;      /* deep brand navy */
  --hull-2: #1B3360;    /* brand navy (logo wordmark) */
  --hull-3: #2A4A80;
  --billet: #C7CDD3;
  --billet-2: #E3E7EB;
  --gelcoat: #F5F6F7;
  --white: #FFFFFF;
  --ink: #132130;
  --muted: #566476;
  --rule: #D3D9DF;
  --signal: #B41E44;    /* brand eagle red */
  --signal-dark: #931838;
  --starboard: #00843D;
  --amber: #F2A900;

  --wide: 125%;
  --semi: 112%;
  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;

  /* Type scale (ratio ~1.333 from 17px) */
  --t-xs: 0.8125rem;
  --t-sm: 0.9375rem;
  --t-md: 1.0625rem;
  --t-lg: 1.375rem;
  --t-xl: clamp(1.6rem, 1.2rem + 1.4vw, 2.15rem);
  --t-2xl: clamp(2.1rem, 1.4rem + 2.8vw, 3.4rem);

  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
  --radius: 3px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--t-md);
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--hull-3); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--signal); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
h1, h2, h3 { font-stretch: var(--wide); line-height: 1.12; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: var(--t-2xl); font-weight: 800; max-width: 22ch; }
h2 { font-size: var(--t-xl); font-weight: 750; }
h3 { font-size: var(--t-lg); font-weight: 700; font-stretch: var(--semi); }
p { margin: 0 0 1em; max-width: 68ch; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); color: var(--ink); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 22px;
  font: 650 var(--t-sm)/1 var(--font); font-stretch: var(--semi);
  text-decoration: none; border-radius: var(--radius); border: 2px solid transparent;
  cursor: pointer; transition: background-color .15s, color .15s, border-color .15s;
}
.btn-red { background: var(--signal); color: var(--white); }
.btn-red:hover { background: var(--signal-dark); color: var(--white); }
.btn-navy { background: var(--hull); color: var(--white); }
.btn-navy:hover { background: var(--hull-3); color: var(--white); }
.btn-ghost-light { border-color: rgba(255,255,255,.55); color: var(--white); }
.btn-ghost-light:hover { border-color: var(--white); color: var(--white); background: rgba(255,255,255,.08); }
.text-link { font-weight: 650; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--hull); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.08); }
.header-row { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; margin-right: auto; }
.brand:hover { color: var(--white); }
.brand-logo { height: 44px; width: auto; }
.brand-footer .brand-logo { height: 40px; }
.brand-name { font-weight: 800; font-stretch: var(--wide); font-size: 1rem; line-height: 1.05; }
.brand-name span { display: block; font-weight: 500; font-stretch: var(--semi); font-size: .78rem; color: var(--billet); letter-spacing: .02em; }
.site-nav > ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav a, .menu-btn {
  display: block; padding: 10px 12px; color: var(--white); text-decoration: none;
  font: 550 var(--t-sm)/1.2 var(--font); background: none; border: 0; cursor: pointer; border-radius: var(--radius);
}
.site-nav a:hover, .menu-btn:hover { color: var(--white); background: rgba(255,255,255,.08); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--signal); }
.menu-btn::after { content: ""; display: inline-block; width: 7px; height: 7px; margin-left: 8px; border: solid currentColor; border-width: 0 2px 2px 0; transform: translateY(-3px) rotate(45deg); }
.has-menu { position: relative; }
.menu { display: none; position: absolute; left: 0; top: calc(100% + 6px); min-width: 230px; list-style: none; margin: 0; padding: 8px; background: var(--white); border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15,39,64,.22); }
.menu a { color: var(--ink); padding: 10px 12px; }
.menu a:hover { background: var(--gelcoat); color: var(--ink); }
.menu a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--signal); }
.has-menu.open .menu { display: block; }
.nav-cta { margin-left: 8px; }
.site-nav .nav-cta .btn { display: inline-flex; min-height: 42px; padding: 0 18px; background: var(--signal); font-weight: 650; }
.site-nav .nav-cta .btn:hover { background: var(--signal-dark); }
.site-nav .nav-cta .btn[aria-current="page"] { box-shadow: none; }
.nav-toggle { display: none; }

/* Hero */
.hero {
  background-color: var(--hull);
  background-image:
    linear-gradient(rgba(199,205,211,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199,205,211,.06) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--white);
  padding: clamp(40px, 7vw, 88px) 0 0;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero h1 { color: var(--white); }
.lede { font-size: var(--t-lg); line-height: 1.5; color: inherit; opacity: .92; max-width: 46ch; }
.hero .lede { color: var(--billet-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-drawing { max-width: 560px; justify-self: end; width: 100%; }
.hero-proof { margin-top: clamp(32px, 5vw, 64px); border-top: 1px solid rgba(255,255,255,.14); padding-top: 20px; padding-bottom: 22px; }
.hero-proof p { margin: 0; color: var(--billet); font-size: var(--t-sm); max-width: none; }
.hero-proof strong { color: var(--white); font-weight: 650; }

/* Engineering drawing */
.drawing { width: 100%; height: auto; overflow: visible; }
.drawing .d-line, .drawing .d-part, .drawing .d-bolt line, .drawing .d-bolt rect { stroke: var(--billet-2); stroke-width: 1.6; fill: none; }
.drawing .d-part { fill: rgba(199,205,211,.08); }
.drawing .d-carriage { fill: rgba(200,16,46,.16); }
.drawing .d-slide { stroke: var(--billet); stroke-width: 1; stroke-dasharray: 2 4; }
.drawing .d-bolt line { stroke-width: 1; stroke-dasharray: 9 3 2 3; stroke: var(--billet); }
.drawing .d-phantom { stroke: var(--billet); stroke-width: 1; stroke-dasharray: 10 4 2 4; fill: none; }
.drawing .d-hatch { stroke: var(--billet); stroke-width: 1; opacity: .35; }
.drawing .d-transom { stroke: none; }
.drawing .d-dim { stroke: #F06A86; stroke-width: 1.2; }
.drawing .d-arrowhead { fill: #F06A86; }
.drawing .d-ext { stroke: var(--billet); stroke-width: .8; opacity: .7; }
.drawing .d-text { fill: var(--billet-2); font: 600 14px var(--font); font-stretch: var(--semi); }
.drawing .d-text-sm { font-size: 11.5px; font-weight: 500; fill: var(--billet); }
.drawing .d-text-strong { font-weight: 800; font-stretch: var(--wide); fill: var(--white); }
.drawing .d-titleblock rect, .drawing .d-titleblock line { stroke: var(--billet); stroke-width: 1; fill: none; }
.drawing [data-jp-engine], .drawing [data-jp-carriage], .drawing [data-jp-sbline] { transition: transform .45s cubic-bezier(.3,.7,.2,1), width .45s cubic-bezier(.3,.7,.2,1); }
@media (prefers-reduced-motion: reduce) { .drawing * { transition: none !important; } }

/* Sections */
.section { padding: clamp(48px, 7vw, 96px) 0; }
.section-tint { background: var(--gelcoat); }
.section-steel { background: var(--billet-2); }
.section-head { margin-bottom: clamp(24px, 4vw, 44px); }
.section-head p { color: var(--muted); }

/* Product lines (home) */
.line-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(28px, 4vw, 56px) clamp(24px, 4vw, 48px); }
.line { display: grid; grid-template-rows: auto 1fr; gap: 18px; }
.line .media { aspect-ratio: 16 / 10; }
.line h3 a { color: var(--ink); text-decoration: none; }
.line h3 a:hover { color: var(--signal); }
.line-body p { color: var(--muted); }
.mini-specs { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; padding-top: 12px; border-top: 1px solid var(--rule); }
.mini-specs div { display: flex; flex-direction: column; }
.mini-specs dt { font-size: var(--t-xs); color: var(--muted); }
.mini-specs dd { margin: 0; font-weight: 650; font-variant-numeric: tabular-nums; }

/* Media slots: photo if present, drawing-board placeholder if not */
.media {
  position: relative; margin: 0; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius);
  background-color: var(--billet-2);
  background-image:
    linear-gradient(rgba(15,39,64,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,39,64,.07) 1px, transparent 1px);
  background-size: 20px 20px;
}
.media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.media.is-empty img { display: none; }
.media:not(.is-empty) { background-image: none; }
.media-contain img { object-fit: contain; }
.bg-photo-light { background-color: #E8EEF8; }
.jp-features { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.jp-features .media { aspect-ratio: 6 / 5; }
.jp-features .feature-grid { grid-template-columns: 1fr 1fr; }
.media.is-empty::after {
  content: attr(data-label); position: absolute; left: 16px; bottom: 14px; right: 16px;
  font: 700 var(--t-sm)/1.2 var(--font); font-stretch: var(--semi); color: var(--hull);
  padding-top: 10px; border-top: 1.5px solid var(--hull);
}
.media-dark { background-color: var(--hull); background-image: linear-gradient(rgba(199,205,211,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(199,205,211,.07) 1px, transparent 1px); }
.media-dark.is-empty::after { color: var(--billet-2); border-color: var(--billet); }
.media-wide { aspect-ratio: 21 / 9; margin: 0 0 clamp(28px, 4vw, 48px); }

/* Tables */
.load-table, .spec-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
caption { text-align: left; font-weight: 700; font-stretch: var(--semi); padding-bottom: 10px; color: var(--ink); }
.load-table th, .load-table td, .spec-table th, .spec-table td { text-align: left; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.load-table thead th, .spec-table thead th { font-size: var(--t-xs); color: var(--muted); font-weight: 600; border-bottom: 2px solid var(--ink); }
.load-table tbody th, .spec-table tbody th { font-weight: 600; width: 38%; }
.section-steel .load-table th, .section-steel .load-table td { border-color: #BFC7CF; }
.load-table td:nth-child(2) { font-weight: 700; white-space: nowrap; }
.spec-table td[data-col] { transition: background-color .2s, color .2s; }
.spec-table [data-col].dim { color: var(--muted); }
.spec-table thead [data-col].on { color: var(--signal); }
.spec-table tbody td.on { font-weight: 700; }

.test-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }

/* Paths */
.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); }
.path { border-top: 3px solid var(--hull); padding-top: 22px; display: flex; flex-direction: column; align-items: flex-start; }
.path h2 { font-size: var(--t-lg); }
.path p { color: var(--muted); flex: 1; }
.owner-note { margin-top: clamp(32px, 5vw, 56px); padding: 16px 20px; background: var(--gelcoat); border-left: 3px solid var(--signal); max-width: none; }

/* CTA band */
.cta-band { background: var(--hull); color: var(--white); padding: clamp(40px, 6vw, 72px) 0; }
.cta-row { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-band p { color: var(--billet-2); margin: 0; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Page head */
.page-head { background: var(--hull); color: var(--white); padding: clamp(36px, 6vw, 72px) 0 clamp(36px, 5vw, 60px); }
.page-head .lede { color: var(--billet-2); }
.crumb { font-size: var(--t-xs); color: var(--billet); margin-bottom: 14px; }
.crumb a { color: var(--billet); }
.crumb a:hover { color: var(--white); }

/* Jack plate page */
.jp-compare { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.jp-drawing-panel { background: var(--hull); padding: 20px 20px 24px; border-radius: var(--radius); position: sticky; top: 92px; }
.seg { display: inline-flex; border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius); margin-bottom: 14px; }
.seg-btn { font: 650 var(--t-sm)/1 var(--font); font-stretch: var(--semi); color: var(--billet-2); background: none; border: 0; padding: 11px 16px; cursor: pointer; }
.seg-btn[aria-pressed="true"] { background: var(--signal); color: var(--white); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 36px); }
.feature h3 { font-size: 1.125rem; }
.feature p { color: var(--muted); font-size: var(--t-sm); }
.docs-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.docs-row p { margin: 0; color: var(--muted); }

/* Illuminated cleat page */
.page-dark { background: var(--white); }
.cleat-hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.badge { display: inline-block; margin-top: 8px; padding: 7px 12px; border: 1px solid var(--amber); color: var(--amber); font-size: var(--t-sm); font-weight: 600; border-radius: var(--radius); }
.cleat-demo { position: relative; --glow: 255,255,255; }
.media-cleat { aspect-ratio: 16 / 10; }
.glow {
  position: absolute; left: 12%; right: 12%; top: 30%; height: 26%; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(ellipse at center, rgba(var(--glow), .7) 0%, rgba(var(--glow), .25) 40%, transparent 70%);
  filter: blur(6px); animation: none;
}
.cleat-demo[data-mode="tow"] { --glow: 242,169,0; }
.cleat-demo[data-mode="tow"] .glow { animation: pulse 1.8s ease-in-out infinite; }
.cleat-demo[data-mode="emergency"] { --glow: 230,20,50; }
.cleat-demo[data-mode="emergency"] .glow { animation: strobe 1.2s steps(1) infinite; }
.cleat-demo[data-mode="ambient"] { --glow: 0,150,255; }
.cleat-demo[data-mode="ambient"] .glow { animation: hue 9s linear infinite; }
@keyframes pulse { 50% { opacity: .25; } }
@keyframes strobe { 0%, 30% { opacity: 1; } 15%, 45%, 100% { opacity: 0; } }
@keyframes hue { from { filter: blur(6px) hue-rotate(0deg); } to { filter: blur(6px) hue-rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .glow { animation: none !important; } }
.modes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.mode { font: 600 var(--t-sm)/1 var(--font); color: var(--billet-2); background: transparent; border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius); padding: 10px 14px; cursor: pointer; }
.mode[aria-pressed="true"] { background: var(--white); color: var(--hull); border-color: var(--white); }
.mode-note { margin: 12px 0 0; font-size: var(--t-sm); color: var(--billet); min-height: 3em; }
.model-pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); }
.model { background: var(--white); padding: 26px; border-top: 3px solid var(--hull); position: relative; }
.model p { color: var(--muted); margin: 0; }
.status { display: inline-block; vertical-align: middle; margin-left: 8px; font: 600 var(--t-xs)/1 var(--font); font-stretch: 100%; padding: 5px 8px; border-radius: var(--radius); background: var(--gelcoat); color: var(--muted); letter-spacing: 0; }
.navlights { position: absolute; top: 26px; right: 26px; display: flex; gap: 6px; }
.navlights i { width: 12px; height: 12px; border-radius: 50%; }
.navlights .port { background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.navlights .stbd { background: var(--starboard); box-shadow: 0 0 10px var(--starboard); }
.model-nav h3 { padding-right: 48px; }

/* Generic layouts */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 48px); }
.mat-list { margin: 0; }
.mat-list div { padding: 12px 0; border-bottom: 1px solid var(--rule); }
.mat-list dt { font-weight: 700; }
.mat-list dd { margin: 2px 0 0; color: var(--muted); }
.note, .aside { color: var(--muted); font-size: var(--t-sm); margin-top: 16px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 36px); counter-reset: step; }
.steps li { counter-increment: step; border-top: 3px solid var(--hull); padding-top: 18px; }
.steps li::before { content: counter(step); display: block; font: 800 2rem/1 var(--font); font-stretch: var(--wide); color: var(--signal); margin-bottom: 12px; }
.steps h3 { font-size: 1.125rem; }
.steps p { color: var(--muted); font-size: var(--t-sm); }
.prose { max-width: 760px; }
.prose h2 { font-size: var(--t-lg); margin-top: 1.8em; }
.prose h2:first-child { margin-top: 0; }
.contact-grid { display: grid; grid-template-columns: 340px 1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.contact-card { background: var(--gelcoat); padding: 26px; border-top: 3px solid var(--signal); }
.contact-card h2 { font-size: var(--t-lg); }
.contact-card address { font-style: normal; margin-bottom: 1em; }
.page-404 { min-height: 55vh; display: flex; align-items: center; }

/* Forms */
.inquiry { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-wide, .field-group { grid-column: 1 / -1; }
.field-group { border: 0; margin: 0; padding: 16px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; border-top: 1px solid var(--rule); }
.field-group legend { font-weight: 700; font-stretch: var(--semi); padding: 0 0 4px; }
.inquiry label, .inquiry .label { font-size: var(--t-sm); font-weight: 600; }
.hint { font-weight: 400; color: var(--muted); }
.inquiry input:not([type=checkbox]):not([type=file]), .inquiry select, .inquiry textarea {
  font: 400 1rem/1.4 var(--font); color: var(--ink); background: var(--white);
  border: 1.5px solid #AEB8C2; border-radius: var(--radius); padding: 11px 12px; width: 100%;
}
.inquiry input:focus, .inquiry select:focus, .inquiry textarea:focus { border-color: var(--hull-3); outline: 3px solid rgba(35,75,115,.25); outline-offset: 0; }
.inquiry [aria-invalid="true"] { border-color: var(--signal) !important; }
.inquiry input[type=file] { font: inherit; font-size: var(--t-sm); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; }
.checks input { width: 18px; height: 18px; accent-color: var(--signal); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.form-status { margin: 0; font-size: var(--t-sm); font-weight: 600; }
.form-status.ok { color: var(--starboard); }
.form-status.err { color: var(--signal); }
.inquiry [hidden] { display: none !important; }
.inquiry.sent > :not(.form-foot) { opacity: .45; pointer-events: none; }
.turnstile:empty { display: none; }

/* Footer */
.site-footer { background: #0C1B33; color: var(--billet); padding: 56px 0 0; font-size: var(--t-sm); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-id p { margin-top: 16px; max-width: 34ch; }
.footer-h { font-size: var(--t-sm); font-weight: 700; color: var(--white); font-stretch: var(--semi); margin-bottom: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--billet-2); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer address { font-style: normal; line-height: 1.7; }
.footer-cage { margin-top: 12px; }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 18px; padding-bottom: 22px; }
.footer-base p { margin: 0; }
.footer-base a { margin-left: 16px; }

/* Responsive */
@media (max-width: 1080px) {
  .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex; align-items: center; gap: 10px; background: none; border: 1px solid rgba(255,255,255,.3);
    color: var(--white); font: 600 var(--t-sm)/1 var(--font); padding: 10px 14px; border-radius: var(--radius); cursor: pointer;
  }
  .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after { display: block; width: 18px; height: 2px; background: currentColor; position: relative; }
  .nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-bars::before { top: -6px; } .nav-toggle-bars::after { top: 6px; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--hull); border-top: 1px solid rgba(255,255,255,.1); padding: 8px var(--gutter) 20px; max-height: calc(100vh - 72px); overflow-y: auto; box-shadow: 0 18px 30px rgba(0,0,0,.4); border-bottom: 3px solid var(--signal); }
  .site-nav.open { display: block; }
  .site-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a, .menu-btn { padding: 14px 4px; font-size: 1rem; width: 100%; text-align: left; }
  .menu-btn { display: none; }
  .menu { display: block; position: static; background: none; box-shadow: none; padding: 0; min-width: 0; }
  .menu a { color: var(--white); }
  .menu a:hover { background: rgba(255,255,255,.08); color: var(--white); }
  .site-nav a[aria-current="page"], .menu a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--signal); padding-left: 12px; }
  .nav-cta { margin: 12px 0 0; }
  .site-nav .nav-cta .btn { width: 100%; padding: 0 18px; text-align: center; }
  .hero-grid, .test-grid, .jp-compare, .two-col, .cleat-hero, .contact-grid, .jp-features { grid-template-columns: 1fr; }
  .hero-drawing { justify-self: start; }
  .jp-drawing-panel { position: static; }
  .paths { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .line-list, .feature-grid, .steps, .model-pair, .cap-grid, .jp-features .feature-grid { grid-template-columns: 1fr; }
  .inquiry, .field-group { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .load-table td:nth-child(2) { white-space: normal; }
  .load-table th, .load-table td { padding-right: 10px; font-size: var(--t-sm); }
  .brand-name { font-size: .9rem; }
  .media-wide { aspect-ratio: 4 / 3; }
}