/*
Theme Name: Helm Dynamics
Theme URI: https://helmdynamics.com.au
Author: Helm Dynamics
Author URI: https://helmdynamics.com.au
Description: One-page marketing theme for Helm Dynamics — performance vehicle intelligence, home of Helm Commander. Performance-tech "instrument cockpit" identity: carbon/navy grounds, cyan signal, redline accents. Editable copy via Customizer; built-in "notify me" capture (no plugin).
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: helm-dynamics
*/

:root{
  --carbon:#0B0E13; --navy:#0E1626; --panel:#121A28; --panel-2:#0F1622;
  --line:#202C40; --line-soft:#182234;
  --ink:#EAF1F8; --steel:#93A0B4; --steel-dim:#5A6779;
  --cyan:#38C6F0; --cyan-deep:#1E9FCB;
  --amber:#FF9F1C; --redline:#FF3B30;
  --display: ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --maxw:1120px;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; color:var(--ink); font-family:var(--display); line-height:1.55;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1200px 700px at 82% -8%, rgba(56,198,240,.10), transparent 60%),
    radial-gradient(900px 600px at -6% 16%, rgba(255,63,48,.06), transparent 55%),
    linear-gradient(180deg,#0C1119,var(--carbon) 42%);
}
a{ color:var(--cyan); text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.eyebrow{ font-family:var(--mono); font-size:11px; letter-spacing:.26em; text-transform:uppercase; color:var(--steel-dim); }
.section{ padding:78px 0; border-top:1px solid var(--line-soft); }
.section h2.title{ font-size:clamp(26px,4vw,40px); font-weight:800; letter-spacing:-.01em; margin:10px 0 0; text-wrap:balance; }
.lede{ color:var(--steel); font-size:clamp(15px,2vw,18px); max-width:56ch; margin:16px 0 0; }

/* ---------- buttons ---------- */
.btn{ display:inline-block; font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase;
  padding:13px 22px; border-radius:10px; border:1px solid transparent; cursor:pointer; transition:transform .12s ease, box-shadow .2s ease; }
.btn:active{ transform:translateY(1px); }
.btn.primary{ background:linear-gradient(180deg,var(--cyan),var(--cyan-deep)); color:#04121a; font-weight:700;
  box-shadow:0 8px 24px rgba(56,198,240,.24); }
.btn.primary:hover{ box-shadow:0 10px 30px rgba(56,198,240,.36); }
.btn.ghost{ border-color:var(--line); color:var(--ink); }
.btn.ghost:hover{ border-color:var(--cyan); color:var(--cyan); }

/* ---------- header / nav ---------- */
.site-header{ position:sticky; top:0; z-index:50;
  background:rgba(11,14,19,.72); backdrop-filter:blur(10px); border-bottom:1px solid var(--line-soft); }
.nav{ display:flex; align-items:center; gap:20px; height:66px; }
.brand{ display:flex; align-items:center; gap:11px; margin-right:auto; }
.brand .bm{ width:30px; height:30px; }
.brand .bt{ font-weight:800; text-transform:uppercase; letter-spacing:.02em; font-size:16px; color:var(--ink); }
.brand .bt b{ color:var(--cyan); font-weight:800; }
.nav-links{ display:flex; gap:22px; align-items:center; }
.nav-links a{ font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--steel); }
.nav-links a:hover{ color:var(--ink); }
.nav-links a[aria-current="page"]{ color:var(--cyan); }
.nav .btn{ padding:9px 16px; }
/* multi-up pillar grids that collapse on mobile */
.pillars.cols-3{ grid-template-columns:repeat(3,1fr); }
@media (max-width:820px){ .pillars.cols-3{ grid-template-columns:1fr; } }
.pillars.cols-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:760px){ .pillars.cols-2{ grid-template-columns:1fr; } }
/* Riverdi optical-bonding comparison images */
.riverdi-imgs{ display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:30px; align-items:start; }
@media (max-width:760px){ .riverdi-imgs{ grid-template-columns:1fr; } }
.riverdi-imgs figure{ margin:0; }
.riverdi-imgs img{ width:100%; height:auto; }
.riverdi-imgs figcaption{ color:var(--steel); font-size:13.5px; line-height:1.5; margin-top:12px; }
/* hero brand logo — sits to the right of the copy (two-column hero) */
.hero-logo{ flex:1 1 340px; min-width:280px; margin:0; line-height:0; text-align:center; }
.hero-logo img{ width:100%; max-width:460px; height:auto; filter:drop-shadow(0 10px 30px rgba(0,0,0,.5)); }
/* small logo in the header, in place of the gauge mark */
.brand .bl{ height:34px; width:auto; display:block; }
.pillar .desc a{ color:var(--cyan); }
.pillar a.pillar-link{ display:inline-block; margin-top:12px; font-family:var(--mono); font-size:12px; letter-spacing:.08em; }
.nav-toggle{ display:none; }
@media (max-width:820px){
  .nav-links{ display:none; }
  .nav-links.open{ display:flex; position:absolute; top:66px; left:0; right:0; flex-direction:column; gap:0;
    background:var(--carbon); border-bottom:1px solid var(--line); padding:8px 24px 18px; }
  .nav-links.open a{ padding:12px 0; border-bottom:1px solid var(--line-soft); }
  .nav-toggle{ display:inline-flex; margin-left:auto; background:none; border:1px solid var(--line); border-radius:8px;
    color:var(--ink); width:40px; height:36px; align-items:center; justify-content:center; cursor:pointer; font-size:18px; }
}

/* ---------- hero ---------- */
.hero{ padding:66px 0 20px; }
.hero-grid{ display:flex; gap:40px; align-items:center; flex-wrap:wrap; }
.hero-copy{ flex:1 1 340px; min-width:300px; }
.hero .mark{ width:210px; height:210px; flex:0 0 auto; margin:0 auto;
  filter:drop-shadow(0 8px 30px rgba(56,198,240,.2)); }
.wordmark{ font-weight:800; letter-spacing:-.02em; line-height:.9; text-transform:uppercase; margin:14px 0 0;
  font-size:clamp(40px,7.2vw,72px); overflow-wrap:break-word; }
.wordmark .helm{ color:var(--ink); }
.wordmark .dyn{ color:transparent; -webkit-text-stroke:1.4px var(--cyan);
  background:linear-gradient(180deg,var(--cyan),var(--cyan-deep)); -webkit-background-clip:text; background-clip:text; }
.hero-sub{ font-size:clamp(16px,2.3vw,20px); color:var(--steel); max-width:48ch; margin:20px 0 0; }
.hero-cta{ display:flex; gap:12px; margin-top:26px; flex-wrap:wrap; }
.redline{ height:2px; margin:30px 0 0; border-radius:2px;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan) 55%,var(--amber) 74%,var(--redline) 90%,var(--redline) 100%);
  box-shadow:0 0 14px rgba(255,59,48,.35); }

/* ---------- product ---------- */
.product-grid{ display:flex; gap:40px; align-items:center; flex-wrap:wrap; margin-top:26px; }
.product-copy{ flex:1 1 320px; min-width:280px; }
.product-name{ font-weight:800; text-transform:uppercase; font-size:clamp(30px,5vw,48px); line-height:1; margin:8px 0 0; }
.product-name .cmd{ color:var(--cyan); }
.product-tag{ font-size:clamp(19px,3vw,26px); font-weight:600; margin:14px 0 0; }
.product-tag .em{ color:var(--amber); }
.device{ flex:1 1 320px; min-width:280px; }
.device .bezel{ background:linear-gradient(180deg,#161f2e,#0d1420); border:1px solid var(--line); border-radius:18px;
  padding:18px; box-shadow:0 24px 60px rgba(0,0,0,.5); }
.device .screen{ border-radius:10px; border:1px solid var(--line); overflow:hidden;
  background:radial-gradient(600px 300px at 70% -20%, rgba(56,198,240,.12), transparent), var(--panel-2); padding:22px; }
.gauge-row{ display:flex; gap:16px; align-items:center; }
.gauge-row .mark{ width:120px; height:120px; }
.readout{ font-family:var(--mono); }
.readout .big{ font-size:34px; color:var(--cyan); font-variant-numeric:tabular-nums; line-height:1; }
.readout .unit{ font-size:11px; color:var(--steel-dim); letter-spacing:.2em; text-transform:uppercase; }
.readout .row2{ margin-top:12px; display:flex; gap:18px; }
.readout .row2 .k{ font-size:10px; color:var(--steel-dim); letter-spacing:.16em; text-transform:uppercase; }
.readout .row2 .v{ font-size:16px; color:var(--ink); font-variant-numeric:tabular-nums; }

/* CAN Keypad Ultimate — portfolio product + on-screen keypad mock */
.product-grid + .product-grid{ margin-top:46px; padding-top:44px; border-top:1px solid var(--line-soft); }
.kpad-screen{ background:#0a0f18; padding:14px 14px 16px; }
.kpad-tabs{ display:flex; flex-wrap:wrap; gap:6px; margin-bottom:12px; font-family:var(--mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase; }
.kpad-tabs span{ padding:4px 9px; border-radius:6px; color:var(--steel-dim); border:1px solid var(--line); }
.kpad-tabs span.active{ color:#04121a; background:var(--cyan); border-color:var(--cyan); font-weight:700; }
.kpad-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:7px; }
.kb{ aspect-ratio:1; border-radius:8px; background:linear-gradient(180deg,#182231,#0e1622); border:1px solid var(--line); box-shadow:inset 0 1px 0 rgba(255,255,255,.04); }
.kb.on{ background:linear-gradient(180deg,#0e5f78,#0a3b4d); border-color:var(--cyan-deep); box-shadow:0 0 10px rgba(56,198,240,.35), inset 0 1px 0 rgba(255,255,255,.08); }
.kb.amber{ background:linear-gradient(180deg,#6b4410,#3a2408); border-color:var(--amber); box-shadow:0 0 10px rgba(255,159,28,.3); }
.kb.red{ background:linear-gradient(180deg,#6b1f1a,#3a0f0c); border-color:var(--redline); box-shadow:0 0 10px rgba(255,59,48,.3); }
.kpad-cap{ margin-top:13px; font-family:var(--mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--steel-dim); text-align:center; }

/* ---------- capabilities ---------- */
.pillars{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:30px; }
.pillar{ background:linear-gradient(180deg,var(--panel),var(--panel-2)); border:1px solid var(--line); border-radius:14px;
  padding:22px 20px 24px; position:relative; overflow:hidden; }
.pillar::before{ content:""; position:absolute; inset:0 auto 0 0; width:3px;
  background:linear-gradient(180deg,var(--cyan),transparent 72%); opacity:.7; }
.pillar .idx{ font-family:var(--mono); font-size:11px; color:var(--cyan); letter-spacing:.2em; }
.pillar .name{ font-weight:700; font-size:18px; margin:8px 0 6px; }
.pillar .desc{ color:var(--steel); font-size:13.5px; line-height:1.5; }
@media (max-width:900px){ .pillars{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .pillars{ grid-template-columns:1fr; } }

/* ---------- about ---------- */
.about-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:34px; align-items:start; margin-top:20px; }
.about-grid .facts{ display:grid; gap:14px; }
.about-grid .fact{ border:1px solid var(--line-soft); border-radius:11px; padding:14px 16px; }
.about-grid .fact .k{ font-family:var(--mono); font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:var(--steel-dim); }
.about-grid .fact .v{ font-size:15px; margin-top:3px; }
@media (max-width:760px){ .about-grid{ grid-template-columns:1fr; } }

/* ---------- notify / contact ---------- */
.notify-card{ background:linear-gradient(180deg,var(--panel),var(--panel-2)); border:1px solid var(--line);
  border-radius:16px; padding:34px; margin-top:26px; }
.notify-form{ display:flex; gap:12px; margin-top:18px; flex-wrap:wrap; max-width:560px; }
.notify-form input[type=email]{ flex:1 1 260px; min-width:220px; background:var(--carbon); border:1px solid var(--line);
  color:var(--ink); border-radius:10px; padding:13px 15px; font-size:15px; font-family:var(--display); }
.notify-form input[type=email]:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(56,198,240,.18); }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.banner{ border-radius:10px; padding:12px 16px; margin-top:16px; font-size:14px; }
.banner.ok{ background:rgba(56,198,240,.12); border:1px solid var(--cyan-deep); color:var(--ink); }
.banner.err{ background:rgba(255,63,48,.12); border:1px solid var(--redline); color:var(--ink); }
.contact-line{ font-family:var(--mono); font-size:13px; letter-spacing:.06em; color:var(--steel); margin-top:18px; }
.contact-line a{ color:var(--cyan); }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:34px 0 44px; margin-top:20px; }
.foot-grid{ display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; align-items:center; }
.foot-brand{ display:flex; align-items:center; gap:10px; }
.foot-brand .bm{ width:26px; height:26px; }
.foot-brand .bt{ font-weight:800; text-transform:uppercase; letter-spacing:.02em; font-size:14px; }
.foot-brand .bt b{ color:var(--cyan); }
.foot-meta{ font-family:var(--mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--steel-dim); text-align:right; }
.foot-meta a{ color:var(--steel); }

.skip-link{ position:absolute; left:-9999px; }
.skip-link:focus{ left:12px; top:12px; background:var(--cyan); color:#04121a; padding:8px 12px; border-radius:8px; z-index:100; }

/* ---- media: product photo slot + video embed (click-to-play facade) ---- */
.product-photo{ display:none; width:100%; height:auto; border-radius:14px; box-shadow:0 24px 60px rgba(0,0,0,.5); }
.product-photo.loaded{ display:block; }
.media-wrap{ max-width:900px; margin:28px auto 0; }
.video-embed{ position:relative; aspect-ratio:16/9; border-radius:16px; overflow:hidden; border:1px solid var(--line); background:#0a0f18; box-shadow:0 24px 60px rgba(0,0,0,.5); }
.video-embed .poster{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.video-embed .play{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; background:transparent; border:0; cursor:pointer; transition:background .2s ease; }
.video-embed .play:hover{ background:rgba(56,198,240,.08); }
.video-embed .play svg{ filter:drop-shadow(0 8px 22px rgba(0,0,0,.55)); transition:transform .15s ease; }
.video-embed .play:hover svg{ transform:scale(1.06); }
.video-embed .chip{ position:absolute; top:12px; left:12px; z-index:2; font-family:var(--mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--steel); background:rgba(10,15,24,.72); border:1px solid var(--line); border-radius:999px; padding:5px 11px; }
.video-embed.pending .play{ pointer-events:none; opacity:.55; }
.video-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

/* ---------- status pill (product / project status) ---------- */
.status-pill{ display:inline-block; font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase;
  border:1px solid var(--line); border-radius:999px; padding:5px 11px; color:var(--steel); }
.status-pill.go{ color:var(--cyan); border-color:var(--cyan-deep); }
.status-pill.soon{ color:var(--amber); border-color:rgba(255,159,28,.5); }
.status-pill.wip{ color:var(--amber); border-color:rgba(255,159,28,.5); }

/* ---------- product / project cards ---------- */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:30px; }
@media (max-width:860px){ .cards{ grid-template-columns:1fr; } }
.card{ display:flex; flex-direction:column; background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line); border-radius:16px; padding:24px; }
.card h3{ margin:12px 0 0; font-size:20px; }
.card p{ color:var(--steel); font-size:14px; line-height:1.55; margin:8px 0 0; flex:1 1 auto; }
.card .card-cta{ margin-top:16px; }
.card .card-cta a{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; }

/* ---------- screenshot gallery + lightbox (Custom Solutions WIP shots) ---------- */
.screens-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:26px; margin-top:34px; }
@media (max-width:760px){ .screens-grid{ grid-template-columns:1fr; } }
.screen-card{ margin:0; }
.screen-card .shot{ position:relative; border-radius:14px; overflow:hidden; border:1px solid var(--line);
  background:linear-gradient(180deg,#161f2e,#0d1420); aspect-ratio:1024/600; box-shadow:0 18px 44px rgba(0,0,0,.45); }
.screen-card .shot img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:2; }
.shot-ph{ position:absolute; inset:0; z-index:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
  background:radial-gradient(600px 300px at 70% -20%, rgba(56,198,240,.12), transparent), var(--panel-2); }
.shot-ph .mark{ width:84px; height:84px; opacity:.9; }
.shot-ph .chip{ font-family:var(--mono); font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:var(--amber);
  border:1px solid rgba(255,159,28,.5); border-radius:999px; padding:5px 12px; }
.screen-card figcaption{ margin-top:14px; }
.screen-card .sc-t{ font-weight:700; font-size:16px; }
.screen-card .sc-d{ color:var(--steel); font-size:13.5px; line-height:1.5; margin-top:4px; }
.screen-card .shot.has-img{ cursor:zoom-in; }
.screen-card .shot.has-img::after{ content:"\2922"; position:absolute; right:10px; bottom:9px; z-index:3;
  font-size:15px; line-height:1; color:var(--ink); opacity:.72; background:rgba(6,9,14,.55);
  border:1px solid var(--line); border-radius:7px; padding:5px 7px; pointer-events:none; }
.screen-card .shot.has-img:hover::after{ opacity:1; color:var(--cyan); border-color:var(--cyan); }
.lightbox{ position:fixed; inset:0; z-index:200; display:none; align-items:center; justify-content:center;
  background:rgba(6,9,14,.86); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); padding:32px; }
.lightbox.open{ display:flex; }
.lightbox img{ max-width:min(1280px,96vw); max-height:92vh; width:auto; height:auto; border-radius:12px;
  border:1px solid var(--line); box-shadow:0 30px 80px rgba(0,0,0,.6); }
.lb-close{ position:absolute; top:18px; right:22px; width:44px; height:44px; border-radius:10px; cursor:pointer;
  background:rgba(15,22,34,.7); border:1px solid var(--line); color:var(--ink); font-size:26px; line-height:1;
  display:flex; align-items:center; justify-content:center; }
.lb-close:hover{ border-color:var(--cyan); color:var(--cyan); }