/* ============================================================
   Trident Engineering Service — Shared Stylesheet
   Theme: Dark Blue #0B1F3A · Steel Gray #6B7280 · Orange #F97316 · White
   ============================================================ */

:root{
  --navy:#0B1F3A; --navy-2:#13294d; --navy-3:#1c3a66;
  --steel:#6B7280; --steel-2:#9aa6b2;
  --orange:#F97316; --orange-2:#ea640c; --orange-soft:rgba(249,115,22,.12);
  --white:#ffffff; --bg:#f4f6f9; --card:#ffffff;
  --ink:#1d2733; --muted:#5b6675;
  --ring:rgba(11,31,58,.09);
  --shadow:0 10px 30px rgba(11,31,58,.10);
  --shadow-lg:0 18px 44px rgba(11,31,58,.18);
  --radius:16px; --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;line-height:1.18;color:var(--navy);font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-family:'Poppins',sans-serif;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;color:var(--orange);margin-bottom:14px}
.section{padding:84px 0}
.section.alt{background:#fff}
.section-head{max-width:730px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.06rem}
.text-center{text-align:center}
.mt-32{margin-top:32px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:'Poppins',sans-serif;font-weight:600;font-size:.98rem;padding:14px 26px;border-radius:11px;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-2);border-color:var(--orange-2);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-navy:hover{background:var(--navy-2);border-color:var(--navy-2);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--ring)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--ring)}
.nav{display:flex;align-items:center;justify-content:space-between;height:92px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:44px;height:44px;background:var(--navy);color:var(--orange);border-radius:11px;display:grid;place-items:center;padding:8px;flex:none}
.brand .mark svg{width:100%;height:100%}
.logo-text{font-family:'Poppins',sans-serif;font-size:1.18rem;font-weight:800;letter-spacing:.01em;line-height:1;color:var(--navy)}
.logo-text span{display:block;font-family:'Inter',sans-serif;font-weight:500;font-size:.62rem;letter-spacing:.22em;color:var(--steel);text-transform:uppercase;margin-top:4px}
.brand-logo{height:70px;width:auto;display:block}
.footer-logo{display:block;height:78px;width:auto;background:#fff;padding:12px 20px;border-radius:12px}
@media(max-width:560px){.brand-logo{height:54px}.footer-logo{height:64px;padding:10px 16px}}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{font-family:'Poppins',sans-serif;font-weight:500;font-size:.97rem;color:var(--navy);padding:10px 14px;border-radius:8px;transition:.15s}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.nav-cta{margin-left:10px}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:0;cursor:pointer;padding:9px;width:44px;height:44px}
.hamburger span{width:25px;height:3px;background:var(--navy);border-radius:3px;transition:.25s;align-self:center}
.hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(118deg,rgba(11,31,58,.94) 0%,rgba(11,31,58,.82) 42%,rgba(11,31,58,.55) 100%)}
.hero-inner{position:relative;z-index:2;padding:114px 0 100px;max-width:780px}
.hero h1{color:#fff;font-size:clamp(2.1rem,5vw,3.55rem);font-weight:800;letter-spacing:-.01em}
.hero h1 .accent{color:var(--orange)}
.hero p{margin:22px 0 34px;font-size:1.18rem;color:#dfe6f1;max-width:630px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:14px 30px;flex-wrap:wrap;margin-top:48px}
.hero-badge{display:flex;align-items:center;gap:10px;font-size:.96rem;color:#e7edf6}
.hero-badge svg{width:20px;height:20px;color:var(--orange);flex:none}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{position:relative;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;overflow:hidden}
.page-hero .hero-bg{opacity:.9}
.page-hero .hero-overlay{background:linear-gradient(180deg,rgba(11,31,58,.86),rgba(11,31,58,.92))}
.page-hero .inner{position:relative;z-index:2;padding:78px 0;text-align:center}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,2.85rem)}
.page-hero p{color:#dbe3ef;margin:14px auto 0;max-width:660px;font-size:1.06rem}
.crumb{font-size:.9rem;color:#9fb0c6;margin-bottom:12px;letter-spacing:.02em}
.crumb a:hover{color:var(--orange)}

/* ---------- Grids ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--ring);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.22s;height:100%}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card .icon{width:56px;height:56px;border-radius:13px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;margin-bottom:18px}
.card .icon svg{width:28px;height:28px}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--orange);font-family:'Poppins',sans-serif;font-weight:600;font-size:.92rem}
.card .more svg{width:16px;height:16px;transition:.2s}
.card:hover .more svg{transform:translateX(4px)}

/* ---------- Tick / feature lists ---------- */
.ticks{display:grid;gap:13px;margin-top:6px}
.ticks li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-size:.99rem}
.ticks li svg{width:21px;height:21px;color:var(--orange);flex:none;margin-top:2px}
.ticks.two{grid-template-columns:1fr 1fr;gap:13px 26px}

/* ---------- Split section ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative;min-height:380px;background:linear-gradient(135deg,var(--navy),var(--navy-2))}
.split .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- Service blocks ---------- */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:30px 0}
.svc .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:360px;position:relative;background:linear-gradient(135deg,var(--navy),var(--navy-2))}
.svc .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.svc h2{font-size:clamp(1.5rem,3vw,2.05rem);margin-bottom:6px}
.svc .kicker{color:var(--orange);font-family:'Poppins',sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase}
.svc p.desc{color:var(--muted);margin:14px 0 20px}
.svc.reverse .text{order:2}
.svc.reverse .media{order:1}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{background:#fff;border:1px solid var(--ring);border-radius:var(--radius);padding:30px;position:relative;box-shadow:var(--shadow)}
.step .num{width:48px;height:48px;border-radius:13px;background:var(--navy);color:var(--orange);font-family:'Poppins',sans-serif;font-weight:800;display:grid;place-items:center;font-size:1.15rem;margin-bottom:18px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.95rem}

/* ---------- Trust band ---------- */
.band{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;position:relative;overflow:hidden}
.band .container{position:relative;z-index:2}
.band .section-head h2{color:#fff}
.band .section-head p{color:#c7d2e2}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.trust .item{text-align:center;padding:10px}
.trust .ic{width:64px;height:64px;border-radius:16px;background:rgba(249,115,22,.16);color:var(--orange);display:grid;place-items:center;margin:0 auto 18px}
.trust .ic svg{width:30px;height:30px}
.trust h3{color:#fff;font-size:1.12rem;margin-bottom:8px}
.trust p{color:#bcc8da;font-size:.94rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--orange),#fb923c);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:54px 0;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.15rem);max-width:640px}
.cta-inner p{color:#fff6ef;margin-top:8px;font-size:1.05rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.18fr;gap:40px;align-items:start}
.info-card{background:#fff;border:1px solid var(--ring);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);display:grid;gap:24px}
.info-item{display:flex;gap:16px;align-items:flex-start}
.info-item .ic{width:48px;height:48px;border-radius:12px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;flex:none}
.info-item .ic svg{width:22px;height:22px}
.info-item h4{font-size:1.02rem;margin-bottom:3px}
.info-item a,.info-item p{color:var(--muted);font-size:.97rem;word-break:break-word}
.info-item a:hover{color:var(--orange)}
.form{background:#fff;border:1px solid var(--ring);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form h3{font-size:1.4rem;margin-bottom:6px}
.form .sub{color:var(--muted);margin-bottom:24px;font-size:.98rem}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-family:'Poppins',sans-serif;font-weight:500;font-size:.9rem;margin-bottom:7px;color:var(--navy)}
.field label .req{color:var(--orange)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid #e2e7ee;border-radius:10px;font:inherit;color:var(--ink);background:#fbfcfe;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(249,115,22,.13)}
.field textarea{resize:vertical;min-height:130px}
.form-status{display:none;padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:.95rem;line-height:1.5}
.form-status.ok{display:block;background:#e8f7ee;color:#137a3e;border:1px solid #bce6cc}
.form-status.err{display:block;background:#fdeaea;color:#b42323;border:1px solid #f3c4c4}
.map-wrap{margin-top:48px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--ring)}
.map-wrap iframe{display:block;width:100%;height:360px;border:0}

/* ---------- Footer ---------- */
.footer{background:var(--navy);color:#c7d0de;padding:64px 0 0}
.footer .cols{display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.5fr;gap:36px;padding-bottom:46px}
.footer h4{color:#fff;font-size:1.04rem;margin-bottom:18px}
.footer .brand .logo-text{color:#fff}
.footer .brand .logo-text span{color:#8c99ad}
.footer .about p{margin-top:16px;font-size:.95rem;color:#a9b4c6;max-width:330px}
.foot-list li a{color:#c7d0de;font-size:.95rem;display:inline-block;padding:5px 0;transition:.15s}
.foot-list li a:hover{color:var(--orange);transform:translateX(3px)}
.foot-contact{display:grid;gap:15px}
.foot-contact .row{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:#c7d0de}
.foot-contact .row svg{width:19px;height:19px;color:var(--orange);flex:none;margin-top:3px}
.foot-contact a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:.9rem;color:#8c99ad}
.footer-bottom a{color:#c7d0de}
.footer-bottom a:hover{color:var(--orange)}

/* ---------- WhatsApp floating button ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.22);transition:transform .2s,box-shadow .2s}
.wa-float:hover{transform:scale(1.08);box-shadow:0 12px 30px rgba(0,0,0,.3);color:#fff}
.wa-float svg{width:34px;height:34px}
@media(max-width:560px){.wa-float{right:16px;bottom:16px;width:54px;height:54px}.wa-float svg{width:32px;height:32px}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:880px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 16px;border-bottom:1px solid var(--ring);box-shadow:var(--shadow);z-index:80}
  .nav-links.open{display:flex}
  .nav-links a{padding:15px 6px;border-bottom:1px solid #eef1f5;border-radius:0}
  .nav-cta{margin:14px 0 0}
  .nav-cta .btn{width:100%;justify-content:center}
  .hamburger{display:flex}
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .svc,.svc.reverse{grid-template-columns:1fr;gap:30px}
  .svc .text,.svc.reverse .text,.svc .media,.svc.reverse .media{order:initial}
  .split .media,.svc .media{min-height:280px}
  .ticks.two{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .section{padding:62px 0}
  .hero-inner{padding:84px 0 72px}
  .field-row{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left}
}