/* ============================================================
   Sunrise Air System — Commercial HVAC & Air Quality
   Design system: Navy + Cyan · mobile-first · accessible
   ============================================================ */
:root{
  --navy-900:#071733;
  --navy-800:#0A2A5E;
  --navy-700:#0E356F;
  --navy-600:#154a91;
  --cyan-600:#0A6E90;
  --cyan-500:#12A9E0;
  --cyan-btn:#0E88B6;
  --cyan-400:#38C6F4;
  --cyan-050:#EAF6FD;
  --ink:#0F1E33;
  --slate:#4A5A73;
  --slate-2:#6C7C95;
  --border:#E3EAF3;
  --bg:#FFFFFF;
  --bg-alt:#F4F8FC;
  --bg-soft:#EAF2FA;
  --white:#FFFFFF;
  --wa:#25D366;
  --wa-d:#1EBE5A;
  --shadow-sm:0 1px 2px rgba(10,42,94,.06),0 2px 6px rgba(10,42,94,.06);
  --shadow-md:0 8px 24px rgba(10,42,94,.10);
  --shadow-lg:0 18px 48px rgba(10,42,94,.16);
  --shadow-cyan:0 16px 40px rgba(18,169,224,.28);
  --r-sm:8px; --r:14px; --r-lg:20px; --r-pill:999px;
  --font-head:'Sora','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--cyan-500);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--navy-800);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip-link:focus{left:16px}

/* ---------- Buttons ---------- */
.btn{
  --b:var(--cyan-500);
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-head);font-weight:600;font-size:.98rem;line-height:1;
  padding:.92em 1.5em;border-radius:var(--r-pill);border:2px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,color .18s,border-color .18s;
  white-space:nowrap;text-align:center;min-height:46px;
}
.btn .ic{width:1.15em;height:1.15em;flex:0 0 auto}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:.62em 1.05em;font-size:.9rem;min-height:40px}
.btn-block{width:100%}
.btn-primary{background:linear-gradient(135deg,var(--cyan-400),var(--cyan-btn));color:#04263f;box-shadow:var(--shadow-cyan)}
.btn-primary:hover{box-shadow:0 20px 46px rgba(18,169,224,.38)}
.btn-outline{background:transparent;border-color:var(--cyan-500);color:var(--cyan-600)}
.btn-outline:hover{background:var(--cyan-050)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost{background:var(--bg-soft);color:var(--navy-800)}
.btn-ghost:hover{background:#dfeaf6}
.btn-whatsapp{background:var(--wa);color:#053019}
.btn-whatsapp:hover{background:var(--wa-d)}
.btn svg[viewBox]{fill:currentColor}
.btn-outline svg,.btn-whatsapp svg,.btn-primary svg{stroke:none}
/* icon-stroke buttons */
.btn .ic path{}

/* stroke icon default */
.ic{stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.btn-primary .ic,.btn-whatsapp .ic,.wa-float .ic{fill:currentColor;stroke:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--border);transition:box-shadow .25s,background .25s;
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--header-h);transition:min-height .25s}
.brand{display:inline-flex;align-items:center}
.logo{height:40px;width:auto;color:var(--navy-800)}
.logo-word{font-family:var(--font-head);font-size:22px;font-weight:700;letter-spacing:.4px}
.logo-tag{font-family:var(--font-body);font-size:8.4px;font-weight:600;letter-spacing:3.4px}
.nav-list{display:flex;gap:4px}
.nav-list a{font-family:var(--font-head);font-weight:600;font-size:.94rem;color:var(--navy-800);padding:.55em .62em;border-radius:8px;position:relative;white-space:nowrap;transition:color .18s,background .18s}
.nav-list a::after{content:"";position:absolute;left:.8em;right:.8em;bottom:.32em;height:2px;background:var(--cyan-500);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-list a:hover{color:var(--cyan-600)}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1)}
.nav-list a.active{color:var(--cyan-600)}
.header-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:10px}
.nav-toggle span{display:block;height:2.5px;background:var(--navy-800);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 78% -10%,#12386f 0%,var(--navy-800) 42%,var(--navy-900) 100%);color:#eaf1fb;padding-top:clamp(48px,7vw,88px);padding-bottom:clamp(40px,6vw,64px);overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.airflow{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.airflow .flow{stroke-width:2;opacity:.22;stroke-dasharray:14 16}
.airflow .f1{animation:flow 9s linear infinite}
.airflow .f2{animation:flow 12s linear infinite;opacity:.16}
.airflow .f3{animation:flow 10.5s linear infinite;opacity:.2}
.airflow .f4{animation:flow 14s linear infinite;opacity:.12}
@keyframes flow{to{stroke-dashoffset:-300}}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,60px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.55em;font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:.5px;text-transform:uppercase;color:#bcd3f0;background:rgba(56,198,244,.10);border:1px solid rgba(56,198,244,.3);padding:.5em 1em;border-radius:var(--r-pill)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 0 4px rgba(56,198,244,.25)}
.hero h1{color:#fff;font-size:clamp(2.1rem,5.2vw,3.6rem);letter-spacing:-.5px;margin:.5em 0 .3em}
.hero .grad{background:linear-gradient(100deg,var(--cyan-400),#7ee0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:#c7d6ec;font-size:clamp(1.02rem,2.1vw,1.18rem);max-width:36ch}
.tagline-mark{font-family:var(--font-head);font-weight:600;color:var(--cyan-400);letter-spacing:.5px;margin-top:1em;font-size:1.05rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}

.hero-visual{position:relative}
.hero-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.14);aspect-ratio:4/4.2;background:#0c2450}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,23,51,.45));pointer-events:none}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;left:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:.7em;background:rgba(255,255,255,.94);color:var(--navy-800);padding:.7em 1em;border-radius:var(--r);box-shadow:var(--shadow-md);backdrop-filter:blur(6px)}
.hero-badge .ic{width:26px;height:26px;color:var(--cyan-600)}
.hero-badge strong{display:block;font-family:var(--font-head);font-size:.95rem}
.hero-badge span{font-size:.78rem;color:var(--slate)}

/* trust strip */
.trust-strip{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:clamp(34px,5vw,52px);padding:22px clamp(14px,3vw,26px);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);backdrop-filter:blur(4px)}
.trust-strip li{text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.trust-strip li:last-child{border-right:0}
.trust-strip .num{display:block;font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,4vw,2.5rem);color:#fff;line-height:1}
.trust-strip .lbl{display:block;margin-top:.4em;font-size:.82rem;color:#bcd0ea}

/* ---------- Sections ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin:0 auto clamp(34px,5vw,54px);text-align:center}
.kicker{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-600);margin-bottom:.7em}
.kicker.light{color:var(--cyan-400)}
.section-head h2,.about-copy h2,.contact-info h2{font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.4px}
.section-sub{color:var(--slate);margin-top:.8em;font-size:1.05rem}
.section-sub.light{color:#c2d3ea}
h2{margin-bottom:0}
.grid{display:grid;gap:clamp(16px,2.4vw,26px)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(30px,5vw,64px);align-items:center}
.about-media{position:relative}
.about-media img{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);aspect-ratio:1/1.02;object-fit:cover}
.stat-chip{position:absolute;right:-10px;bottom:-16px;background:var(--white);border-radius:var(--r);box-shadow:var(--shadow-md);padding:.9em 1.2em;border:1px solid var(--border)}
.stat-chip .grad-text{display:block;font-family:var(--font-head);font-weight:700;font-size:1.25rem;color:var(--cyan-600)}
.stat-chip span:last-child{font-size:.82rem;color:var(--slate)}
.about-copy p{color:var(--slate);margin-top:1em}
.about-copy .kicker{margin-bottom:.5em}
.check-list{margin:1.4em 0}
.check-list li{display:flex;align-items:flex-start;gap:.7em;margin-bottom:.7em;color:var(--ink);font-weight:500}
.check-list .ic{width:22px;height:22px;flex:0 0 auto;color:#fff;background:var(--cyan-500);border-radius:50%;padding:4px;stroke-width:2.6}

/* ---------- Cards / Services ---------- */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe4f4}
.services-grid{grid-template-columns:repeat(3,1fr)}
.service{padding:clamp(22px,2.6vw,30px)}
.svc-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:14px;background:linear-gradient(140deg,var(--cyan-050),#d5ecfa);color:var(--cyan-600);margin-bottom:1em}
.svc-icon svg{width:28px;height:28px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.service h3{font-size:1.2rem;margin-bottom:.45em}
.service p{color:var(--slate);font-size:.96rem}
.svc-link{display:inline-flex;align-items:center;gap:.4em;margin-top:1.1em;font-family:var(--font-head);font-weight:600;font-size:.92rem;color:var(--cyan-600)}
.svc-link span{transition:transform .2s var(--ease)}
.svc-link:hover span{transform:translateX(4px)}

/* ---------- Products ---------- */
.products-grid{grid-template-columns:repeat(3,1fr)}
.product{overflow:hidden;display:flex;flex-direction:column}
.product-img{background:linear-gradient(160deg,#eef5fb,#dfeef8);aspect-ratio:4/3;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:contain;padding:16px;transition:transform .4s var(--ease)}
.product:hover .product-img img{transform:scale(1.05)}
.product-body{padding:22px 24px 26px}
.product-body h3{font-size:1.2rem;margin-bottom:.4em}
.product-body p{color:var(--slate);font-size:.95rem}

/* ---------- Industries (navy) ---------- */
.section-navy{background:linear-gradient(180deg,var(--navy-800),var(--navy-900));color:#eaf1fb}
.section-navy .section-head h2{color:#fff}
.industries-grid{grid-template-columns:repeat(4,1fr)}
.industry{display:flex;flex-direction:column;align-items:center;gap:.8em;text-align:center;padding:26px 16px;border-radius:var(--r);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:transform .22s var(--ease),background .22s,border-color .22s}
.industry:hover{transform:translateY(-5px);background:rgba(56,198,244,.12);border-color:rgba(56,198,244,.4)}
.industry svg{width:38px;height:38px;stroke:var(--cyan-400);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.industry span{font-family:var(--font-head);font-weight:600;font-size:1rem;color:#fff}

/* ---------- Why ---------- */
.why-grid{grid-template-columns:repeat(3,1fr)}
.why{padding:clamp(22px,2.5vw,30px)}
.why-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:var(--navy-800);color:var(--cyan-400);margin-bottom:1em}
.why-icon svg{width:26px;height:26px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.why h3{font-size:1.15rem;margin-bottom:.4em}
.why p{color:var(--slate);font-size:.95rem}

/* ---------- Process ---------- */
.process-grid{grid-template-columns:repeat(4,1fr);counter-reset:step}
.step{position:relative;padding:30px 26px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step-no{font-family:var(--font-head);font-weight:700;font-size:2.4rem;background:linear-gradient(135deg,var(--cyan-400),var(--cyan-600));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.step h3{font-size:1.2rem;margin:.4em 0 .35em}
.step p{color:var(--slate);font-size:.95rem}
.step::before{content:"";position:absolute;top:44px;right:-13px;width:26px;height:2px;background:var(--border)}
.process-grid .step:last-child::before{display:none}

/* ---------- CTA band ---------- */
.cta-band{background:radial-gradient(900px 400px at 15% 0%,#12386f,var(--navy-800));color:#fff;padding:clamp(44px,6vw,72px) 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta-inner p{color:#c2d3ea;margin-top:.5em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,56px);align-items:start}
.contact-info,.contact-form-wrap{min-width:0}
.offices{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:1.6em 0}
.office{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:20px;box-shadow:var(--shadow-sm)}
.office h3{display:flex;align-items:center;gap:.5em;font-size:1.05rem;margin-bottom:.6em}
.office h3 .ic{width:20px;height:20px;color:var(--cyan-600)}
.office address{font-style:normal;color:var(--slate);font-size:.94rem;line-height:1.6}
.link-arrow{display:inline-block;margin-top:.8em;font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--cyan-600)}
.link-arrow:hover{color:var(--cyan-500)}
.muted{color:var(--slate)}
.contact-methods li{margin-top:.5em}
.contact-methods a{display:flex;align-items:center;gap:.7em;padding:.7em .9em;border-radius:var(--r-sm);font-weight:500;transition:background .18s;overflow-wrap:anywhere;word-break:break-word}
.contact-methods a:hover{background:var(--bg-soft)}
.contact-methods .ic{width:22px;height:22px;color:var(--cyan-600);flex:0 0 auto}
.contact-methods .muted{font-size:.85rem}

/* form */
.contact-form-wrap{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:clamp(22px,3vw,34px)}
.form-note{background:var(--cyan-050);border:1px solid #cfeafa;color:#0b5c7d;font-size:.86rem;padding:.7em 1em;border-radius:var(--r-sm);margin-bottom:1.2em}
.field{margin-bottom:1em}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-family:var(--font-head);font-weight:600;font-size:.88rem;margin-bottom:.4em;color:var(--navy-800)}
.field .req{color:var(--cyan-600)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:.8em .95em;border:1.5px solid var(--border);border-radius:var(--r-sm);background:#fbfdff;
  transition:border-color .18s,box-shadow .18s;min-height:46px;
}
.field textarea{min-height:auto;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan-500);box-shadow:0 0 0 4px rgba(18,169,224,.14)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#e0483b;box-shadow:0 0 0 4px rgba(224,72,59,.12)}
.err{display:block;color:#c9382c;font-size:.8rem;margin-top:.35em;min-height:1em}
.form-actions{display:grid;grid-template-columns:1fr;gap:12px;margin-top:1.2em}
@media (min-width:1120px){.form-actions{grid-template-columns:1fr 1fr}}
.form-status{margin-top:.9em;font-size:.9rem;color:var(--slate);text-align:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#c3d2e8;padding:clamp(44px,6vw,68px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:32px}
.footer-brand .logo{height:46px;color:#fff;margin-bottom:1em}
.footer-brand .logo-tag{fill:#8fa6c6}
.footer-brand p{color:#9fb2ce;font-size:.94rem;max-width:34ch}
.footer-col h4{font-family:var(--font-head);color:#fff;font-size:1rem;margin-bottom:1em}
.footer-col a{display:block;color:#a9bad4;padding:.28em 0;font-size:.94rem;transition:color .18s;overflow-wrap:anywhere}
.footer-col a:hover{color:var(--cyan-400)}
.footer-col .muted{color:#9fb2ce;font-size:.9rem;margin-bottom:.8em}
.footer-col .muted-2{color:#7f93b2;font-size:.85rem}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.88rem;color:#8ba0bf}
.footer-tag{font-family:var(--font-head);color:var(--cyan-400);font-weight:600}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .2s var(--ease),box-shadow .2s}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float:hover{transform:scale(1.08) translateY(-2px)}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Mobile action bar ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--border);box-shadow:0 -6px 24px rgba(10,42,94,.1);padding:8px 6px calc(8px + env(safe-area-inset-bottom))}
.mobile-bar{grid-template-columns:repeat(3,1fr);gap:6px}
.mobile-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:8px 4px;border-radius:10px;font-family:var(--font-head);font-weight:600;font-size:.72rem;color:var(--navy-800);min-height:52px}
.mobile-bar a svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.mobile-bar .mb-wa{color:var(--wa-d)}
.mobile-bar .mb-wa svg{fill:var(--wa-d);stroke:none}
.mobile-bar .mb-quote{color:var(--cyan-600)}
.mobile-bar .mb-quote svg{fill:var(--cyan-600);stroke:none}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#cfe4f4;box-shadow:var(--shadow-md)}
.faq-item h3{margin:0;font-size:1.05rem;font-weight:600}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font-family:var(--font-head);font-weight:600;font-size:1.05rem;color:var(--navy-800);background:transparent;border:0;cursor:pointer;padding:20px 22px;line-height:1.4;min-height:44px}
.faq-q:hover{color:var(--cyan-600)}
.faq-chevron{width:22px;height:22px;flex:0 0 auto;stroke:var(--cyan-600);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--ease)}
.faq-item.open .faq-chevron{transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{color:var(--slate);padding:0 22px 20px;font-size:.98rem}
.faq-a a{color:var(--cyan-600);font-weight:600}

/* ============================================================
   Responsive
   ============================================================ */
/* Collapse nav to hamburger while the 7-item row would be too tight */
@media (max-width:1160px){
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .25s var(--ease),opacity .25s;max-height:calc(100dvh - var(--header-h));overflow:auto}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-list{flex-direction:column;gap:0;padding:10px clamp(18px,4vw,40px) 18px}
  .nav-list a{display:block;padding:.9em .4em;border-bottom:1px solid var(--border);font-size:1.05rem;white-space:normal}
  .nav-list a::after{display:none}
  .nav-toggle{display:flex}
  .header-cta .btn-ghost{display:none}
}
@media (max-width:1024px){
  .services-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .industries-grid{grid-template-columns:repeat(4,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid .step::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:440px}
  .hero-frame{aspect-ratio:16/12}
  .about-grid{grid-template-columns:1fr}
  .about-media{max-width:520px}
  .contact-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  :root{--header-h:66px}
  .logo-tag{display:none}
  .logo{height:34px}
  body{padding-bottom:64px} /* room for mobile bar */
  .wa-float{bottom:74px}
  .mobile-bar{display:grid}
  .hero-actions .btn{flex:1 1 100%}
  .trust-strip{grid-template-columns:1fr 1fr;gap:0;padding:6px}
  .trust-strip li{padding:16px 8px;border-right:0}
  .trust-strip li:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .trust-strip li:nth-child(1),.trust-strip li:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12)}
  .services-grid,.why-grid,.products-grid,.process-grid{grid-template-columns:1fr}
  .industries-grid{grid-template-columns:1fr 1fr}
  .offices{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .form-actions{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
  .stat-chip{right:0}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .airflow{display:none}
  .wa-float::after{display:none}
}