/* ==========================================================================
   Blue Ocean Limited — design system
   Palette: deep navy + ocean blue + a warm signal accent (amber) for CTAs
   ========================================================================== */
:root{
  --navy:#0a2540;
  --navy-900:#071a2e;
  --ocean:#0b6bcb;
  --ocean-600:#0a5bb0;
  --ocean-300:#5aa9e6;
  --teal:#12a4b4;
  --amber:#ff8a3d;        /* warm signal accent for CTAs — non-tech warmth */
  --amber-600:#f2701a;
  --ink:#0e1b2a;
  --slate:#41566b;
  --mist:#eef4fb;
  --line:#dbe6f2;
  --white:#ffffff;
  --ok:#1f9d6b;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 3px rgba(10,37,64,.08),0 1px 2px rgba(10,37,64,.06);
  --shadow:0 10px 30px rgba(10,37,64,.10);
  --shadow-lg:0 24px 60px rgba(10,37,64,.18);
  --maxw:1160px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--white);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ocean);text-decoration:none}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;color:var(--navy);letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ocean);margin-bottom:.9rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);border-radius:2px}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--slate);max-width:60ch}
.muted{color:var(--slate)}
section{padding:clamp(3.5rem,7vw,6rem) 0}
.section-head{max-width:66ch;margin:0 auto 3rem;text-align:center}
.section-head.left{margin-left:0;text-align:left}

/* Buttons ------------------------------------------------------------------ */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--amber);color:#3a1400;box-shadow:0 8px 20px rgba(255,138,61,.35)}
.btn-primary:hover{background:var(--amber-600);transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,112,26,.42)}
.btn-ocean{background:var(--ocean);color:#fff}
.btn-ocean:hover{background:var(--ocean-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--navy)}
.btn-outline:hover{border-color:var(--ocean);color:var(--ocean)}
.btn-lg{padding:1.05rem 1.9rem;font-size:1.06rem}

/* Header ------------------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;font-weight:800;color:var(--navy);font-size:1.18rem;letter-spacing:-.01em}
.brand .logo{width:40px;height:40px;flex:none}
.brand small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.18em;color:var(--ocean);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:.35rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--navy);font-weight:600;padding:.5rem .8rem;border-radius:8px;font-size:.97rem}
.nav-links a:hover,.nav-links a.active{background:var(--mist);color:var(--ocean)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.25s}

/* Hero --------------------------------------------------------------------- */
.hero{position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,var(--navy-900) 0%,var(--navy) 45%,var(--ocean-600) 120%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(900px 500px at 85% -10%,rgba(90,169,230,.35),transparent 60%),
             radial-gradient(700px 500px at -5% 110%,rgba(18,164,180,.28),transparent 55%)}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(1.5rem,4vw,3rem);align-items:center;padding-top:clamp(3rem,6vw,5rem);padding-bottom:clamp(3.5rem,7vw,6rem)}
.hero h1{color:#fff}
.hero h1 .hl{color:var(--amber)}
.hero .lead{color:#d6e6f7}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.8rem}
.chip{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);padding:.4rem .8rem;border-radius:999px;font-size:.82rem;font-weight:600;color:#eaf3fc}
.chip svg{width:15px;height:15px}
.hero-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.14);aspect-ratio:4/5;background:#0d2c4d}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card .ph-flag{position:absolute;left:12px;bottom:12px}
.spec-float{position:absolute;right:-8px;bottom:22px;background:#fff;color:var(--ink);
  border-radius:14px;padding:.8rem 1rem;box-shadow:var(--shadow-lg);display:flex;gap:.7rem;align-items:center;max-width:230px}
.spec-float .n{font-size:1.5rem;font-weight:800;color:var(--ocean);line-height:1}
.spec-float small{color:var(--slate);font-size:.78rem}

/* Trust strip -------------------------------------------------------------- */
.trust{background:var(--navy-900);color:#cfe0f0;padding:1.1rem 0}
.trust .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1.4rem 2.4rem;font-weight:600;font-size:.92rem}
.trust .row span{display:inline-flex;align-items:center;gap:.5rem}
.trust svg{width:18px;height:18px;color:var(--amber)}

/* Cards / grids ------------------------------------------------------------ */
.grid{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .2s ease,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--ocean-300)}
.card .ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;margin-bottom:1rem;
  background:linear-gradient(135deg,var(--ocean),var(--teal));color:#fff}
.card .ico svg{width:26px;height:26px}
.card.premium{background:linear-gradient(160deg,#fff,#fff7f0);border-color:#ffd9bd}
.card.premium .ico{background:linear-gradient(135deg,var(--amber),var(--amber-600));color:#fff}
.card h3{margin-bottom:.4rem}
.card p{font-size:.96rem;color:var(--slate);margin-bottom:.8rem}
.card .learn{font-weight:700;font-size:.9rem;color:var(--ocean);display:inline-flex;gap:.35rem;align-items:center}
.tag{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--amber-600);background:#fff1e6;border:1px solid #ffd9bd;padding:.2rem .55rem;border-radius:999px;margin-bottom:.7rem}

/* Wedge / feature split ---------------------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.split.alt .media{order:-1}
.media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);aspect-ratio:4/3;background:var(--mist)}
.media img{width:100%;height:100%;object-fit:cover}
.checklist{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.7rem}
.checklist li{display:flex;gap:.65rem;align-items:flex-start;font-weight:500;color:var(--ink)}
.checklist svg{flex:none;width:22px;height:22px;color:var(--ok);margin-top:2px}

/* Stats -------------------------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;text-align:center}
.stat{padding:1.4rem 1rem;border-radius:var(--radius);background:var(--mist);border:1px solid var(--line)}
.stat .n{font-size:clamp(1.9rem,3.5vw,2.6rem);font-weight:800;color:var(--ocean);line-height:1}
.stat small{display:block;margin-top:.4rem;color:var(--slate);font-weight:600;font-size:.85rem}

/* Steps -------------------------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:step}
.step{position:relative;padding:1.5rem 1.3rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:1.3rem;
  width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.95rem}
.step h3{font-size:1.08rem;margin:.6rem 0 .3rem}
.step p{font-size:.92rem;color:var(--slate);margin:0}

/* CTA band ----------------------------------------------------------------- */
.cta-band{background:linear-gradient(135deg,var(--ocean-600),var(--navy));color:#fff;border-radius:var(--radius-lg);
  padding:clamp(2.2rem,5vw,3.6rem);text-align:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;opacity:.4;
  background:radial-gradient(600px 300px at 90% 0,rgba(255,138,61,.35),transparent 60%)}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff}
.cta-band p{color:#d6e6f7;max-width:50ch;margin:0 auto 1.6rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center}

/* Page hero (interior) ----------------------------------------------------- */
.page-hero{background:linear-gradient(135deg,var(--navy-900),var(--navy) 70%,var(--ocean-600));color:#fff;
  padding:clamp(3rem,6vw,4.5rem) 0 clamp(2.5rem,5vw,3.5rem)}
.page-hero .lead{color:#d6e6f7}
.breadcrumb{font-size:.85rem;color:#9fc0e0;margin-bottom:.8rem}
.breadcrumb a{color:#cfe0f0}

/* Service detail block ----------------------------------------------------- */
.svc{scroll-margin-top:90px;display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,4vw,3rem);align-items:center;
  padding:clamp(2rem,4vw,3rem) 0;border-bottom:1px solid var(--line)}
.svc:last-child{border-bottom:0}
.svc.flip .svc-media{order:-1}
.svc-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:5/4;background:var(--mist);position:relative;border:1px solid var(--line)}
.svc-media img{width:100%;height:100%;object-fit:cover}

/* Forms -------------------------------------------------------------------- */
.form-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
form.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(1.4rem,3vw,2.2rem);box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:.4rem;color:var(--navy)}
.field .req{color:var(--amber-600)}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1.5px solid var(--line);
  border-radius:10px;font:inherit;color:var(--ink);background:#fff;transition:border .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ocean);box-shadow:0 0 0 3px rgba(11,107,203,.14)}
.field textarea{min-height:120px;resize:vertical}
.grid-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.form-note{font-size:.82rem;color:var(--slate);margin-top:.3rem}
.form-success{display:none;background:#e9f8f0;border:1px solid #b7e6ce;color:#0d6b45;padding:1rem 1.2rem;border-radius:12px;font-weight:600;margin-bottom:1rem}
.contact-aside .card{margin-bottom:1rem}
.contact-line{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.9rem}
.contact-line svg{flex:none;width:22px;height:22px;color:var(--ocean);margin-top:2px}
.contact-line b{display:block;color:var(--navy)}
.contact-line span{color:var(--slate);font-size:.94rem}

/* Photo placeholder fills -------------------------------------------------- */
.ph-fill{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:1.2rem;color:#fff}
.ph-fill::after{content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(45deg,#fff 25%,transparent 25%,transparent 50%,#fff 50%,#fff 75%,transparent 75%,transparent);
  background-size:22px 22px;mix-blend-mode:overlay}
.ph-fill .in{position:relative;z-index:2}
.ph-fill svg{width:56px;height:56px;opacity:.95;margin-bottom:.6rem}
.ph-fill b{display:block;font-size:1rem;font-weight:800;letter-spacing:-.01em}
.ph-fill small{display:block;font-size:.78rem;opacity:.85;margin-top:.25rem;font-weight:600}
.ph-hero{background:linear-gradient(150deg,#0d2c4d,#0b6bcb)}
.ph-medical{background:linear-gradient(150deg,#0b6bcb,#12a4b4)}
.ph-warehouse{background:linear-gradient(150deg,#123a5e,#0a5bb0)}
.ph-construction{background:linear-gradient(150deg,#c9601b,#ff8a3d)}
.ph-event{background:linear-gradient(150deg,#5b3fb0,#0b6bcb)}
.ph-premium{background:linear-gradient(150deg,#1f2a44,#f2701a)}
.ph-people{background:linear-gradient(150deg,#0e7a6b,#12a4b4)}
.ph-van{background:linear-gradient(150deg,#0a2540,#0b6bcb)}
.ph-team{background:linear-gradient(150deg,#123a5e,#12a4b4)}
.ph-about{background:linear-gradient(150deg,#0d2c4d,#0a5bb0)}

/* Placeholder flag --------------------------------------------------------- */
.ph-flag{background:rgba(255,138,61,.95);color:#3a1400;font-size:.66rem;font-weight:800;letter-spacing:.03em;
  padding:.28rem .55rem;border-radius:7px;display:inline-flex;align-items:center;gap:.35rem;box-shadow:var(--shadow-sm)}
.svc-media .ph-flag,.media .ph-flag{position:absolute;left:12px;top:12px;z-index:2}

/* Footer ------------------------------------------------------------------- */
.site-footer{background:var(--navy-900);color:#b9cee2;padding:clamp(2.5rem,5vw,3.5rem) 0 1.5rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:2rem;margin-bottom:2rem}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.03em;margin-bottom:.9rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.5rem}
.site-footer a{color:#b9cee2;font-size:.93rem}
.site-footer a:hover{color:#fff}
.foot-brand .brand{color:#fff}
.foot-brand .brand small{color:var(--ocean-300)}
.foot-brand p{font-size:.9rem;color:#94b2ce;margin-top:.8rem;max-width:34ch}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.2rem;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:1rem;font-size:.82rem;color:#7f9ec0}
.altapro-credit{display:inline-flex;align-items:center;gap:.5rem;background:#0d1626;border:1px solid #24406a;
  padding:.4rem .8rem;border-radius:999px;font-weight:600;color:#cddcf2}
.altapro-credit .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#1c63e0,#0a357f)}

/* AI chat widget ----------------------------------------------------------- */
.chat-fab{position:fixed;right:20px;bottom:20px;z-index:80;display:flex;align-items:center;gap:.6rem;
  background:var(--navy);color:#fff;border:0;border-radius:999px;padding:.8rem 1.1rem;cursor:pointer;
  box-shadow:var(--shadow-lg);font-weight:700;font-size:.95rem;transition:transform .15s}
.chat-fab:hover{transform:translateY(-2px)}
.chat-fab svg{width:20px;height:20px;color:var(--amber)}
.chat-panel{position:fixed;right:20px;bottom:20px;z-index:81;width:min(370px,calc(100vw - 32px));
  height:min(560px,calc(100vh - 40px));background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);
  display:none;flex-direction:column;overflow:hidden;border:1px solid var(--line)}
.chat-panel.open{display:flex}
.chat-head{background:linear-gradient(135deg,var(--navy),var(--ocean-600));color:#fff;padding:1rem 1.1rem;display:flex;align-items:center;gap:.7rem}
.chat-head .ch-logo{width:36px;height:36px;flex:none}
.chat-head b{font-size:1rem}
.chat-head .credit{font-size:.68rem;color:#cfe0f0;display:flex;align-items:center;gap:.35rem;margin-top:2px}
.chat-head .credit .dot{width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#1c63e0,#0a357f)}
.chat-close{margin-left:auto;background:none;border:0;color:#cfe0f0;cursor:pointer;font-size:1.4rem;line-height:1}
.chat-body{flex:1;overflow-y:auto;padding:1rem;background:var(--mist);display:flex;flex-direction:column;gap:.7rem}
.msg{max-width:85%;padding:.7rem .9rem;border-radius:14px;font-size:.92rem;line-height:1.45}
.msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start;color:var(--ink)}
.msg.user{background:var(--ocean);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.chat-quick{display:flex;flex-wrap:wrap;gap:.4rem;padding:.6rem .8rem;background:#fff;border-top:1px solid var(--line)}
.chat-quick button{font-size:.8rem;font-weight:600;color:var(--ocean);background:var(--mist);border:1px solid var(--line);
  padding:.4rem .7rem;border-radius:999px;cursor:pointer}
.chat-quick button:hover{background:#e2edf8}
.chat-input{display:flex;gap:.5rem;padding:.7rem;border-top:1px solid var(--line);background:#fff}
.chat-input input{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:.6rem .9rem;font:inherit}
.chat-input input:focus{outline:none;border-color:var(--ocean)}
.chat-input button{background:var(--ocean);color:#fff;border:0;border-radius:50%;width:40px;height:40px;flex:none;cursor:pointer;display:grid;place-items:center}
.chat-input button svg{width:18px;height:18px}

/* Responsive --------------------------------------------------------------- */
@media(max-width:960px){
  .hero .container{grid-template-columns:1fr}
  .hero-card{max-width:420px;margin:0 auto;aspect-ratio:16/11}
  .spec-float{right:8px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .form-wrap{grid-template-columns:1fr}
  .svc,.split{grid-template-columns:1fr}
  .svc.flip .svc-media,.split.alt .media{order:0}
}
@media(max-width:640px){
  .nav-links,.nav-cta .btn-outline{display:none}
  .nav-toggle{display:block}
  .site-header.open .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:.8rem 1.1rem;gap:.2rem;box-shadow:var(--shadow)}
  .site-header.open .nav-links a{padding:.7rem .8rem}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps,.stats{grid-template-columns:1fr}
  .grid-fields{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}