/* ============================================================
   Phillips Maintenance & Plumbing — design system
   Navy + silver + warm amber. WCAG AA targeted.
   ============================================================ */
:root{
  --navy:#15336e;        /* primary */
  --navy-900:#0f2350;    /* deep hero */
  --navy-700:#1c3f86;
  --amber:#e8920c;       /* accent / CTA */
  --amber-600:#cf7d00;
  --ink:#16203a;         /* body text */
  --muted:#56617a;       /* secondary text — ~5:1 on white */
  --silver:#9aa3b2;
  --line:#e3e8f1;
  --surface:#f5f7fb;
  --white:#fff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(15,35,80,.10);
  --shadow-lg:0 24px 60px rgba(15,35,80,.18);
  --maxw:1160px;
  --font-head:"Plus Jakarta Sans",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);
  background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;color:var(--navy);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.12em;
  font-size:.78rem;color:var(--amber-600);margin:0 0 .6rem}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px;border-radius:8px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:700;
  text-decoration:none;border:2px solid transparent;border-radius:999px;padding:.7rem 1.4rem;
  font-size:.98rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:.95rem 1.8rem;font-size:1.05rem}
.btn-amber{background:var(--amber);color:var(--navy-900);box-shadow:0 8px 20px rgba(232,146,12,.35)}
.btn-amber:hover{background:var(--amber-600)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-900)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:6px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 20px rgba(15,35,80,.08)}
.header-inner{display:flex;align-items:center;gap:1.2rem;min-height:78px}
.brand img{width:auto;height:52px}
.nav{display:flex;gap:1.4rem;margin-left:1rem}
.nav a{font-family:var(--font-head);font-weight:600;text-decoration:none;color:var(--navy);
  font-size:.98rem;padding:.4rem 0;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--amber)}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:1rem}
.phone{font-family:var(--font-head);font-weight:700;text-decoration:none;color:var(--navy);white-space:nowrap}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:var(--navy);border-radius:3px;transition:.25s}

/* ---------- Hero ---------- */
.hero{background:radial-gradient(120% 140% at 80% 0%,var(--navy-700) 0%,var(--navy-900) 55%);color:#fff;padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{color:#fff}
.hero .eyebrow{color:#ffd591}
.lede{font-size:1.15rem;color:#d7e0f3;max-width:34ch}
.lede strong{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin:1.6rem 0 1.4rem}
.trust-row{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;padding:0;margin:1.2rem 0 0;
  font-weight:600;color:#cdd9f2;font-size:.95rem}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-badge{position:absolute;bottom:-22px;left:-22px;background:var(--amber);color:var(--navy-900);
  border-radius:var(--radius-sm);padding:14px 18px;display:flex;align-items:center;gap:10px;
  font-family:var(--font-head);box-shadow:var(--shadow);font-weight:700}
.hero-badge strong{font-size:2.2rem;line-height:1}
.hero-badge span{font-size:.8rem;line-height:1.1;text-transform:uppercase;letter-spacing:.04em}

/* ---------- Trust strip ---------- */
.trust-strip{background:var(--navy);color:#fff}
.trust-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 0}
.trust-strip div{display:flex;flex-direction:column;border-left:3px solid var(--amber);padding-left:14px}
.trust-strip strong{font-family:var(--font-head);font-size:1.05rem}
.trust-strip span{color:#bcc8e4;font-size:.9rem}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:60ch;margin:0 auto 42px;text-align:center}
.section-sub{color:var(--muted);font-size:1.08rem}

/* ---------- Service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,var(--navy),var(--navy-700));color:#fff}
.card-icon svg{width:28px;height:28px}
.card p{color:var(--muted)}
.mini-list{list-style:none;padding:0;margin:0 0 18px;display:flex;flex-wrap:wrap;gap:6px}
.mini-list li{background:var(--surface);color:var(--navy);font-size:.82rem;font-weight:600;
  padding:5px 10px;border-radius:999px}
.link-arrow{font-family:var(--font-head);font-weight:700;color:var(--amber-600);text-decoration:none}
.link-arrow:hover{color:var(--navy)}

/* ---------- Why choose ---------- */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.why-grid p{color:var(--muted)}
.ticks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ticks li{position:relative;padding-left:34px;font-weight:600;color:var(--navy)}
.ticks li::before{content:"✓";position:absolute;left:0;top:-1px;width:24px;height:24px;border-radius:50%;
  background:var(--amber);color:var(--navy-900);display:grid;place-items:center;font-size:.8rem;font-weight:800}

/* ---------- Emergency ---------- */
.emergency{background:var(--amber)}
.emergency-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px 0}
.emergency h2{color:var(--navy-900);margin-bottom:.2em}
.emergency p{color:#5a3d05;margin:0;font-weight:500}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 20px;box-shadow:var(--shadow)}
.faq summary{font-family:var(--font-head);font-weight:700;color:var(--navy);cursor:pointer;padding:16px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--amber-600);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 16px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-copy p{color:var(--muted)}
.contact-list{list-style:none;padding:0;margin:1.4rem 0 0;display:grid;gap:14px}
.contact-list li{display:grid;grid-template-columns:110px 1fr;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--line)}
.contact-list strong{font-family:var(--font-head);color:var(--navy)}
.contact-list a{color:var(--amber-600);text-decoration:none;font-weight:600}
.quote-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-lg);display:grid;gap:14px}
.quote-form label{font-family:var(--font-head);font-weight:600;color:var(--navy);font-size:.92rem;display:grid;gap:6px}
.quote-form input,.quote-form textarea{font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface)}
.quote-form input:focus,.quote-form textarea:focus{border-color:var(--navy);background:#fff;outline:none}
.form-note{color:var(--muted);font-size:.86rem;margin:0;text-align:center}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden;opacity:0}
.form-status{margin:0;font-weight:600;font-size:.95rem;text-align:center}
.form-status.ok{color:#1a7f4b}
.form-status.err{color:#c0392b}

/* Social icons (footer) */
.social{display:flex;gap:10px;margin-top:14px}
.social a{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:rgba(255,255,255,.08);color:#c8d2e8;border:1px solid rgba(255,255,255,.16);transition:.18s}
.social a:hover{background:var(--amber);color:var(--navy-900);border-color:var(--amber);transform:translateY(-2px)}
.social svg{width:20px;height:20px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#c8d2e8;padding:54px 0 24px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-logo{background:#fff;border-radius:10px;padding:10px;height:auto;width:200px}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 14px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.site-footer a{color:#c8d2e8;text-decoration:none}
.site-footer a:hover{color:var(--amber)}
.gas-safe{display:flex;gap:14px;align-items:flex-start}
.gas-safe-badge{background:#ffd200;color:#000;font-family:var(--font-head);font-weight:800;font-size:.82rem;
  text-align:center;line-height:1.1;padding:10px 12px;border-radius:8px}
.gas-safe-badge span{font-size:.62rem;letter-spacing:.08em}
.gas-safe a{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;font-size:.85rem;color:#8d9bbd}
.footer-bottom a{color:#8d9bbd}.footer-bottom a:hover{color:var(--amber)}

/* ---------- Sticky mobile call bar ---------- */
.callbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:120;background:var(--navy);
  padding:10px;gap:10px;box-shadow:0 -6px 20px rgba(0,0,0,.2)}
.callbar a{flex:1;text-align:center;text-decoration:none;font-family:var(--font-head);font-weight:700;
  color:#fff;padding:13px;border-radius:10px;border:2px solid rgba(255,255,255,.5)}
.callbar .callbar-quote{background:var(--amber);color:var(--navy-900);border-color:var(--amber)}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .hero-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .hero-media{order:-1;max-width:520px}
  .cards{grid-template-columns:1fr 1fr}
  .trust-strip-inner{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav,.header-cta .phone{display:none}
  .burger{display:flex}
  .nav.open{display:flex;position:absolute;top:78px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 22px;gap:.6rem;box-shadow:var(--shadow)}
  .cards,.ticks{grid-template-columns:1fr}
  .emergency-inner{flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr}
  .callbar{display:flex}
  body{padding-bottom:68px}
  .hero{padding:40px 0 56px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* ============================================================
   Interior pages
   ============================================================ */
.page-hero{background:radial-gradient(120% 160% at 85% 0%,var(--navy-700) 0%,var(--navy-900) 60%);
  color:#fff;padding:52px 0 56px}
.page-hero h1{color:#fff;max-width:18ch}
.page-hero .lede{color:#d7e0f3;max-width:60ch}
.page-hero .hero-actions{margin-top:1.4rem}
.breadcrumb{font-size:.85rem;color:#9fb0d4;margin:0 0 1rem;font-weight:600}
.breadcrumb a{color:#9fb0d4;text-decoration:none}
.breadcrumb a:hover{color:#fff}
.nav a.active{border-color:var(--amber)}

/* Detailed service rows */
.service-rows{display:grid;gap:20px;max-width:920px;margin:0 auto}
.srow{display:grid;grid-template-columns:64px 1fr;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.srow .card-icon{margin:0}
.srow h3{margin-bottom:.35em}
.srow p{color:var(--muted);margin:0}

/* Callout (gas safety) */
.callout{background:var(--navy);color:#fff;border-radius:var(--radius);padding:30px 32px;
  max-width:920px;margin:0 auto;border-left:6px solid var(--amber)}
.callout h3{color:#fff}
.callout p{color:#cdd9f2;margin:0 0 .6rem}
.callout strong{color:#ffd591}

/* Prose / about */
.prose{max-width:760px;margin:0 auto}
.prose p{color:var(--muted);font-size:1.06rem}
.prose h2{margin-top:1.6em}
.policy-list{color:var(--muted);font-size:1.06rem;margin:0 0 1rem;padding-left:1.25rem}
.policy-list li{margin-bottom:.5rem}
.policy-list a{color:var(--navy);font-weight:600}

/* Contact page extras */
.area-note{background:var(--surface);border-radius:var(--radius);padding:24px 26px;border:1px solid var(--line);margin-top:24px}
.area-note h3{margin-top:0}
@media (max-width:680px){
  .srow{grid-template-columns:1fr}
  .srow .card-icon{width:54px;height:54px}
}

/* ============================================================
   Imagery additions (no redesign — same navy/amber language)
   ============================================================ */
/* Service card photos */
.card-media{display:block;margin:-30px -26px 22px;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}
.card-media img{width:100%;height:188px;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.card:hover .card-media img{transform:scale(1.06)}

/* Why-choose collage */
.why-text .ticks{grid-template-columns:1fr;margin:1.3rem 0 1.6rem}
.why-media{display:grid;gap:16px}
.why-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}

/* Project showcase — masonry */
.masonry{column-count:3;column-gap:18px}
.masonry .ph{break-inside:avoid;margin:0 0 18px}
.ph-btn{display:block;width:100%;padding:0;border:0;background:#0b1530;cursor:pointer;
  border-radius:14px;overflow:hidden;position:relative;box-shadow:var(--shadow);line-height:0}
.ph-btn img{width:100%;display:block;transition:transform .55s cubic-bezier(.22,.61,.36,1)}
.ph-btn figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 12px;line-height:1.3;
  color:#fff;font-family:var(--font-head);font-weight:700;font-size:.95rem;text-align:left;
  background:linear-gradient(to top,rgba(10,18,40,.86),rgba(10,18,40,0));opacity:0;transform:translateY(8px);transition:.3s}
.ph-btn:hover img,.ph-btn:focus-visible img{transform:scale(1.07)}
.ph-btn:hover figcaption,.ph-btn:focus-visible figcaption{opacity:1;transform:none}
.work-cta{text-align:center;margin-top:36px}

/* Worksite divider strip */
.strip{position:relative;color:#fff;text-align:center;padding:74px 0;
  background:linear-gradient(rgba(15,35,80,.84),rgba(15,35,80,.9)),url(../img/strip-1.jpg) center/cover fixed}
.strip p{font-family:var(--font-head);font-weight:700;line-height:1.3;margin:0 auto;max-width:24ch;
  font-size:clamp(1.25rem,2.6vw,1.95rem)}

/* Contact photo */
.contact-photo{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:22px}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(8,15,34,.93);padding:20px}
.lightbox.open{display:flex}
.lb-stage{margin:0;max-width:min(94vw,1000px);display:flex;flex-direction:column;align-items:center}
.lb-img{max-width:100%;max-height:80vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6);
  opacity:0;transform:scale(.94);transition:opacity .3s ease,transform .35s cubic-bezier(.22,.61,.36,1)}
.lightbox.open .lb-img{opacity:1;transform:none}
.lb-cap{color:#dfe7f7;font-family:var(--font-head);font-weight:600;margin:14px 0 0;text-align:center}
.lb-btn{position:absolute;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25);
  width:48px;height:48px;border-radius:50%;font-size:1.7rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:.18s}
.lb-btn:hover{background:var(--amber);color:var(--navy-900);border-color:var(--amber)}
.lb-close{top:18px;right:18px}
.lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-next{right:18px;top:50%;transform:translateY(-50%)}

@media (max-width:900px){
  .masonry{column-count:2}
}
@media (max-width:560px){
  .lb-prev{left:8px}.lb-next{right:8px}.lb-btn{width:42px;height:42px}
  .strip{background-attachment:scroll}
}

/* ============================================================
   Motion — adapted from motion-primitives (InView / AnimatedGroup
   / TextEffect / MorphingDialog) to vanilla CSS. Subtle by design.
   Only applies when JS is on (html.anim) AND motion is welcome.
   ============================================================ */
@media (prefers-reduced-motion:no-preference){
  html.anim .reveal{opacity:0;transform:translateY(20px);
    transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1)}
  html.anim .reveal.in{opacity:1;transform:none}

  html.anim .reveal-group>*{opacity:0;transform:translateY(20px);
    transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
  html.anim .reveal-group.in>*{opacity:1;transform:none}
  html.anim .reveal-group.in>*:nth-child(2){transition-delay:.06s}
  html.anim .reveal-group.in>*:nth-child(3){transition-delay:.12s}
  html.anim .reveal-group.in>*:nth-child(4){transition-delay:.18s}
  html.anim .reveal-group.in>*:nth-child(5){transition-delay:.24s}
  html.anim .reveal-group.in>*:nth-child(6){transition-delay:.30s}
  html.anim .reveal-group.in>*:nth-child(7){transition-delay:.36s}
  html.anim .reveal-group.in>*:nth-child(8){transition-delay:.42s}
  html.anim .reveal-group.in>*:nth-child(9){transition-delay:.48s}
  html.anim .reveal-group.in>*:nth-child(n+10){transition-delay:.54s}

  /* Hero reveal on load (TextEffect-style) */
  html.anim .hero-reveal>*{opacity:0;transform:translateY(22px);animation:heroIn .75s cubic-bezier(.22,.61,.36,1) forwards}
  html.anim .hero-reveal>*:nth-child(1){animation-delay:.06s}
  html.anim .hero-reveal>*:nth-child(2){animation-delay:.15s}
  html.anim .hero-reveal>*:nth-child(3){animation-delay:.25s}
  html.anim .hero-reveal>*:nth-child(4){animation-delay:.35s}
  html.anim .hero-reveal>*:nth-child(5){animation-delay:.45s}
  html.anim .hero-reveal-media{opacity:0;animation:heroMedia .9s cubic-bezier(.22,.61,.36,1) .25s forwards}
}
@keyframes heroIn{to{opacity:1;transform:none}}
@keyframes heroMedia{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}

/* ============================================================
   "Our process" — line icons with draw-on animation
   ============================================================ */
.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:26px;margin-top:6px}
.proc-step{text-align:center}
.proc-icon{width:56px;height:56px;margin:0 auto 16px;color:var(--navy);transition:color .3s ease,transform .3s ease}
.proc-icon svg{width:100%;height:100%;overflow:visible}
.proc-step:hover .proc-icon{color:var(--amber-600);transform:translateY(-5px)}
.proc-step h3{font-family:var(--font-head);font-size:.95rem;font-weight:700;color:var(--amber-600);
  margin:0 0 .45rem;letter-spacing:.01em}
.proc-step p{color:var(--muted);font-size:.92rem;margin:0;max-width:21ch;margin-inline:auto;line-height:1.5}
@media (max-width:900px){.process-grid{grid-template-columns:repeat(3,1fr);row-gap:38px}}
@media (max-width:520px){.process-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;gap:18px}}

@media (prefers-reduced-motion:no-preference){
  html.anim .process-grid .proc-icon :is(path,rect,circle,line,polyline,polygon){
    stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.15s cubic-bezier(.45,0,.2,1)}
  html.anim .process-grid.in .proc-icon :is(path,rect,circle,line,polyline,polygon){stroke-dashoffset:0}
  html.anim .process-grid.in .proc-step:nth-child(2) .proc-icon :is(path,rect,circle,line,polyline,polygon){transition-delay:.1s}
  html.anim .process-grid.in .proc-step:nth-child(3) .proc-icon :is(path,rect,circle,line,polyline,polygon){transition-delay:.2s}
  html.anim .process-grid.in .proc-step:nth-child(4) .proc-icon :is(path,rect,circle,line,polyline,polygon){transition-delay:.3s}
  html.anim .process-grid.in .proc-step:nth-child(5) .proc-icon :is(path,rect,circle,line,polyline,polygon){transition-delay:.4s}
  html.anim .process-grid.in .proc-step:nth-child(6) .proc-icon :is(path,rect,circle,line,polyline,polygon){transition-delay:.5s}
}

/* ============================================================
   3D model showcase (Sketchfab) — lazy-loaded dark product card
   ============================================================ */
.model-card{position:relative;background:linear-gradient(180deg,#0f2350,#0a1838);
  border:1px solid rgba(255,255,255,.09);border-radius:20px;padding:14px;box-shadow:var(--shadow-lg);
  transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s ease}
.model-card:hover{transform:translateY(-3px);
  box-shadow:0 30px 70px rgba(15,35,80,.30),0 0 0 1px rgba(232,146,12,.55),0 0 42px rgba(232,146,12,.22)}
.model-frame{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#0a1430}
.model-frame iframe,.model-frame canvas,.model-poster,.model-skeleton{position:absolute;inset:0;width:100%;height:100%;border:0}
.model-poster{object-fit:cover;z-index:1;transition:opacity .6s ease}
.model-frame iframe,.model-frame canvas{z-index:2;opacity:0;transition:opacity .7s ease;display:block}
.model-frame canvas{cursor:grab;touch-action:none}
.model-frame canvas:active{cursor:grabbing}
.model-skeleton{z-index:3;opacity:0;transition:opacity .5s ease;pointer-events:none;
  background:linear-gradient(110deg,rgba(15,35,80,.25) 8%,rgba(29,58,120,.55) 18%,rgba(15,35,80,.25) 33%);
  background-size:200% 100%;animation:mShimmer 1.5s linear infinite}
.model-skeleton::after{content:"Loading 3D…";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  color:#dbe4f7;font:600 .9rem var(--font-head);background:rgba(8,15,34,.6);padding:8px 15px;border-radius:999px}
@keyframes mShimmer{to{background-position:-200% 0}}
.model-card.loading .model-skeleton{opacity:1}
.model-card.ready .model-frame iframe,.model-card.ready .model-frame canvas{opacity:1}
.model-card.ready .model-poster,.model-card.ready .model-skeleton{opacity:0;pointer-events:none}
.model-fs{position:absolute;top:10px;right:10px;z-index:4;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;background:rgba(8,15,34,.38);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:9px;
  cursor:pointer;opacity:.5;transition:.18s;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.model-fs:hover,.model-fs:focus-visible{opacity:1;background:rgba(8,15,34,.7);border-color:rgba(255,255,255,.4)}
.model-fs svg{width:15px;height:15px}
.model-fs span{display:none}
.model-hint{position:absolute;left:12px;bottom:12px;z-index:4;margin:0;color:#dbe4f7;
  background:rgba(8,15,34,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-radius:8px;padding:6px 10px;font-size:.8rem;opacity:0;transition:opacity .5s ease;pointer-events:none}
.model-card.ready .model-hint{opacity:.9}
.model-credit{text-align:center;color:var(--muted);font-size:.82rem;margin:14px 0 0}
.model-credit a{color:var(--amber-600);text-decoration:none}
.model-credit a:hover{text-decoration:underline}
.model-card:fullscreen{padding:0;border-radius:0;background:#000;display:flex;align-items:center;justify-content:center}
.model-card:fullscreen .model-frame{aspect-ratio:auto;width:100%;height:100%;border-radius:0}
.model-card:-webkit-full-screen{padding:0;border-radius:0;background:#000;display:flex;align-items:center;justify-content:center}
.model-card:-webkit-full-screen .model-frame{aspect-ratio:auto;width:100%;height:100%;border-radius:0}
@media (prefers-reduced-motion:reduce){.model-skeleton{animation:none}}
@media (max-width:560px){.model-fs span{display:none}.model-fs{padding:8px}}