/* =========================================================
   Ocean Tech Zone — main stylesheet
   ========================================================= */

:root{
  --navy-950:#0a1220;
  --navy-900:#0b1728;
  --navy-800:#0d1e36;
  --blue-700:#0d3f9e;
  --blue-600:#1257d6;
  --blue-500:#1a66ee;
  --blue-400:#2f7dfd;
  --blue-100:#eaf1ff;
  --blue-50:#f3f7ff;
  --yellow-400:#f6c945;
  --yellow-500:#f0b90b;
  --ink-900:#101828;
  --ink-700:#344055;
  --ink-500:#5b6472;
  --ink-300:#94a0b3;
  --border:#e3e9f3;
  --white:#ffffff;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(16,24,40,.06);
  --shadow-md:0 12px 30px rgba(16,24,40,.10);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink-900);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.text-center{text-align:center;}
.accent{color:var(--blue-500);}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--yellow-500);
  outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:8px;font-weight:600;font-size:15px;
  border:2px solid transparent;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--blue-500);color:#fff;}
.btn-primary:hover{background:var(--blue-600);box-shadow:var(--shadow-sm);}
.btn-outline{background:transparent;color:var(--blue-500);border-color:var(--blue-500);}
.btn-outline:hover{background:var(--blue-50);}
.btn-block{width:100%;}
.btn-lg{padding:14px 30px;font-size:16px;}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--border);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-badge{
  display:flex;flex-direction:column;line-height:1.1;
  border:2px solid var(--ink-900);border-radius:4px;padding:6px 12px;
}
.brand-badge .brand-name{font-weight:800;font-size:15px;letter-spacing:.3px;display:flex;align-items:center;gap:6px;}
.brand-badge .brand-name svg{flex:none;}
.brand-badge .brand-tag{font-size:10px;color:var(--ink-500);margin-top:1px;}

.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{font-size:15px;font-weight:600;color:var(--ink-700);padding:8px 2px;position:relative;}
.main-nav a:hover,.main-nav a.active{color:var(--blue-500);}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--blue-500);border-radius:2px;
}
.has-dropdown{position:relative;}
.dropdown-toggle{display:flex;align-items:center;gap:5px;background:none;border:none;font:inherit;font-weight:600;color:var(--ink-700);padding:8px 2px;}
.dropdown-toggle:hover{color:var(--blue-500);}
.dropdown-toggle svg{transition:transform .15s ease;}
.has-dropdown:hover .dropdown-toggle svg,.has-dropdown.open .dropdown-toggle svg{transform:rotate(180deg);}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-md);min-width:230px;padding:8px;
  opacity:0;visibility:hidden;translate:0 6px;transition:opacity .15s ease, translate .15s ease, visibility .15s;
  z-index:60;
}
.has-dropdown:hover .dropdown-menu,.has-dropdown.open .dropdown-menu{opacity:1;visibility:visible;translate:0 0;}
.dropdown-menu a{display:block;padding:9px 12px;border-radius:6px;font-weight:500;color:var(--ink-700);}
.dropdown-menu a:hover{background:var(--blue-50);color:var(--blue-500);}

.header-cta{display:flex;align-items:center;gap:10px;}
.header-cta .btn{padding:10px 18px;font-size:14px;}

.nav-toggle{display:none;background:none;border:none;padding:6px;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink-900);margin:5px 0;border-radius:2px;}

@media (max-width: 980px){
  .main-nav{
    position:fixed;inset:76px 0 0 0;background:#fff;flex-direction:column;align-items:flex-start;
    padding:20px 24px;gap:4px;overflow-y:auto;
    transform:translateX(-100%);transition:transform .2s ease;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--border);}
  .has-dropdown{width:100%;}
  .dropdown-toggle{width:100%;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border);}
  .dropdown-menu{position:static;transform:none;box-shadow:none;border:none;opacity:1;visibility:visible;display:none;translate:0;width:100%;padding:0 0 0 12px;}
  .has-dropdown.open .dropdown-menu{display:block;}
  .header-cta .btn-outline{display:none;}
  .nav-toggle{display:block;}
}
@media (max-width:560px){
  .header-cta span.call-text{display:none;}
}

/* ---------------- Hero (home) ---------------- */
.hero{
  background:linear-gradient(120deg, var(--blue-50) 0%, var(--blue-50) 42%, var(--blue-500) 42%, var(--blue-400) 100%);
  overflow:hidden;position:relative;
}
.hero .container{
  display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:32px;
  padding-top:64px;padding-bottom:64px;position:relative;z-index:2;
}
.hero-copy h1{
  font-size:44px;line-height:1.15;margin:0 0 18px;font-weight:800;color:var(--ink-900);
}
.hero-copy h1 .accent{color:var(--blue-500);}
.hero-copy p{color:var(--ink-500);font-size:16px;max-width:480px;margin:0 0 26px;}
.hero-art{position:relative;display:flex;justify-content:center;}
.hero-art img{max-width:420px;filter:drop-shadow(0 20px 40px rgba(10,20,50,.25));}

/* ---------------- Sub-page hero (service pages) ---------------- */
.page-hero{background:var(--blue-50);}
.page-hero .container{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  padding-top:56px;padding-bottom:56px;
}
.page-hero-copy .eyebrow{color:var(--blue-500);font-weight:700;}
.page-hero-copy h1{font-size:34px;line-height:1.25;font-weight:800;margin:6px 0 16px;color:var(--ink-900);}
.page-hero-copy p{color:var(--ink-500);max-width:520px;margin:0 0 24px;}

/* ---------------- Quote form ---------------- */
.quote-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  padding:30px;border:1px solid var(--border);
}
.quote-card h2{margin:0 0 4px;font-size:24px;color:var(--blue-500);text-align:center;}
.quote-card .quote-sub{color:var(--ink-500);font-size:14px;text-align:center;margin:0 0 20px;}
.form-row{margin-bottom:14px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:8px;
  background:var(--blue-50);color:var(--ink-900);
}
.form-row textarea{resize:vertical;min-height:90px;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--ink-300);}
.form-status{margin-top:14px;padding:12px 14px;border-radius:8px;font-size:14px;display:none;}
.form-status.show{display:block;}
.form-status.ok{background:#e9f9ee;color:#146c2e;border:1px solid #b9ecc7;}
.form-status.err{background:#fdecec;color:#a3231d;border:1px solid #f6c4c1;}

/* ---------------- Trusted-by strip ---------------- */
.trusted{padding:44px 0;text-align:center;}
.trusted h2{font-size:18px;font-weight:800;letter-spacing:.2px;margin:0 0 30px;color:var(--ink-900);}
.brand-row{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:44px;
  filter:grayscale(1);opacity:.75;
}
.brand-row img{height:26px;width:auto;}

/* ---------------- Why choose us ---------------- */
.why-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
}
.why-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.why-card{padding-right:10px;}
.why-card .icon{
  width:52px;height:52px;border-radius:12px;background:var(--blue-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--blue-500);
}
.why-card h3{font-size:16px;color:var(--blue-600);margin:0 0 8px;font-weight:700;}
.why-card p{color:var(--ink-500);font-size:14.5px;margin:0;}
.section-heading{text-align:center;margin-bottom:40px;}
.section-heading h2{font-size:30px;font-weight:800;margin:0 0 10px;color:var(--ink-900);}
.section-heading p{color:var(--ink-500);max-width:680px;margin:0 auto;font-size:15px;}

/* ---------------- Services grid ---------------- */
.services-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.service-card{
  background:linear-gradient(160deg, var(--blue-600), var(--blue-400));
  color:#fff;border-radius:var(--radius-md);padding:28px 24px;
  display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.service-card h3{font-size:18px;margin:0 0 12px;font-weight:700;}
.service-card p{font-size:14px;color:#dce8ff;flex:1;margin:0 0 22px;}
.service-card .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.service-card .btn-outline:hover{background:rgba(255,255,255,.12);}

@media (max-width:980px){ .services-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .services-grid{grid-template-columns:1fr;} }

/* ---------------- Pricing tabs + cards ---------------- */
.pricing-tabs{
  display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:40px;
  border-bottom:1px solid var(--border);
}
.pricing-tabs button{
  background:none;border:none;padding:12px 18px;font-weight:600;color:var(--ink-500);
  border-bottom:2px solid transparent;font-size:14.5px;
}
.pricing-tabs button.active{color:var(--blue-500);border-color:var(--blue-500);}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.price-card{
  border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;background:#fff;
}
.price-head{
  background:linear-gradient(135deg,var(--blue-600),var(--blue-400));color:#fff;
  padding:24px 24px 18px;
}
.price-head .plan-icon{
  width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;margin-bottom:10px;
}
.price-head h3{margin:0 0 4px;font-size:20px;}
.price-head .rate{font-size:15px;font-weight:600;opacity:.95;}
.price-body{padding:18px 24px 0;flex:1;}
.price-vol{font-weight:700;color:var(--ink-900);margin:0 0 14px;}
.price-body ul{margin:0 0 8px;}
.price-body li{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-700);padding:7px 0;
}
.price-body li .tick{color:var(--blue-500);flex:none;}
.price-foot{background:var(--yellow-400);text-align:center;padding:16px 20px 20px;margin-top:16px;}
.price-foot .amount{font-size:24px;font-weight:800;color:var(--ink-900);}
.price-foot .gst{font-size:12px;color:#7a5b06;margin:2px 0 14px;}
@media (max-width:980px){ .pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;} }

/* ---------------- Stats strip ---------------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(6,1fr);gap:18px;
}
.stat-card{
  border:1px solid var(--border);border-radius:var(--radius-md);padding:22px 16px;text-align:center;
}
.stat-card .icon{
  width:44px;height:44px;margin:0 auto 12px;border-radius:10px;background:var(--blue-100);
  display:flex;align-items:center;justify-content:center;color:var(--blue-500);
}
.stat-card .num{font-size:22px;font-weight:800;color:var(--ink-900);}
.stat-card .label{font-size:12.5px;color:var(--ink-500);}
@media (max-width:980px){ .stats-strip{grid-template-columns:repeat(3,1fr);} }
@media (max-width:560px){ .stats-strip{grid-template-columns:repeat(2,1fr);} }

/* ---------------- Two-col content block (What is / benefits) ---------------- */
.content-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.content-split.reverse .content-split-media{order:2;}
.content-split h2{font-size:28px;font-weight:800;margin:0 0 16px;color:var(--ink-900);}
.content-split p{color:var(--ink-500);margin:0 0 14px;}
.content-split .bullet-list{margin-top:6px;}
.content-split .bullet-list li{margin-bottom:14px;}
.content-split .bullet-list b{color:var(--ink-900);}
.content-split-media img{border-radius:var(--radius-md);}
@media (max-width:900px){ .content-split{grid-template-columns:1fr;} .content-split.reverse .content-split-media{order:0;} }

.tinted{background:var(--blue-50);}

/* ---------------- Testimonials ---------------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.testimonial-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-sm);
}
.testimonial-card .stars{color:var(--yellow-500);font-size:14px;margin-bottom:10px;}
.testimonial-card p{font-style:italic;color:var(--ink-700);font-size:14.5px;margin:0 0 16px;}
.testimonial-person{display:flex;align-items:center;gap:12px;}
.testimonial-person img{width:46px;height:46px;border-radius:50%;object-fit:cover;}
.testimonial-person .name{font-weight:700;font-size:14.5px;color:var(--ink-900);}
.testimonial-person .role{font-size:12.5px;color:var(--ink-500);}
@media (max-width:900px){ .testimonial-grid{grid-template-columns:1fr;} }

/* ---------------- FAQ ---------------- */
.faq-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:18px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-weight:600;color:var(--ink-900);font-size:15px;
}
.faq-q .plus{flex:none;font-size:20px;color:var(--blue-500);transition:transform .15s ease;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--ink-500);font-size:14.5px;}
.faq-item.open .faq-a{padding-bottom:16px;}
.faq-a-inner p{margin:0 0 10px;}
@media (max-width:900px){ .faq-wrap{grid-template-columns:1fr;} }

/* ---------------- Blog list ---------------- */
.blog-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start;}
.blog-feature img{border-radius:var(--radius-md);margin-bottom:18px;}
.blog-feature .meta{color:var(--ink-500);font-size:13px;margin-bottom:8px;}
.blog-feature h2{font-size:24px;margin:0 0 10px;color:var(--ink-900);}
.blog-feature p{color:var(--ink-500);}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{background:var(--blue-100);color:var(--blue-600);font-size:12px;font-weight:600;padding:5px 12px;border-radius:20px;}
.blog-list-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border);}
.blog-list-item img{width:78px;height:78px;border-radius:10px;object-fit:cover;flex:none;}
.blog-list-item .meta{font-size:12.5px;color:var(--ink-500);margin-bottom:4px;}
.blog-list-item h4{font-size:15px;margin:0 0 6px;color:var(--ink-900);}
.blog-list-item p{font-size:13px;color:var(--ink-500);margin:0 0 8px;}

/* ---------------- Contact page ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.contact-info h2{font-size:26px;font-weight:800;margin:0 0 14px;}
.contact-info p{color:var(--ink-500);margin:0 0 22px;}
.contact-line{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;font-weight:600;color:var(--ink-900);}
.contact-line .ic{color:var(--blue-500);flex:none;margin-top:2px;}
.social-row{display:flex;gap:12px;margin-top:8px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;background:var(--ink-900);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:background .15s ease;
}
.social-row a:hover{background:var(--blue-500);}
.map-embed{margin-top:22px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);}
.map-embed iframe{width:100%;height:320px;border:0;display:block;}

/* ---------------- About page ---------------- */
.about-hero-title{text-align:center;color:var(--blue-500);font-weight:800;font-size:28px;letter-spacing:.3px;padding:44px 0 0;}
.about-hero-title hr{max-width:80px;margin:16px auto 0;border:none;border-top:3px solid var(--blue-500);}
.mission-box{background:var(--blue-50);border-radius:var(--radius-md);padding:34px;text-align:center;}
.mission-box h2{color:var(--blue-500);font-size:22px;margin:0 0 14px;}
.mission-box p{color:var(--ink-700);max-width:900px;margin:0 auto;font-style:italic;}

/* ---------------- Legal pages ---------------- */
.legal-content h1{font-size:28px;margin:0 0 6px;}
.legal-content .legal-dates{color:var(--ink-500);font-size:13.5px;margin-bottom:28px;}
.legal-content h2{font-size:19px;color:var(--blue-600);margin:30px 0 10px;}
.legal-content h3{font-size:16px;margin:20px 0 8px;}
.legal-content p,.legal-content li{color:var(--ink-700);font-size:14.5px;}
.legal-content ul{margin:0 0 12px 20px;list-style:disc;}
.legal-content a{color:var(--blue-500);text-decoration:underline;}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy-900);color:#c7d0e0;padding-top:60px;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;
}
.footer-brand .brand-badge{border-color:#fff;color:#fff;}
.footer-brand .brand-badge .brand-tag{color:#9aa7bd;}
.footer-brand p{color:#9aa7bd;font-size:14px;margin:16px 0 20px;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 18px;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:#c7d0e0;}
.footer-col a:hover{color:var(--blue-400);}
.footer-col li.arrow::before{content:"▸ ";color:var(--blue-400);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#c7d0e0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:20px 0;font-size:13px;color:#8a96ab;
}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }

/* ---------------- WhatsApp floating button ---------------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 8px 20px rgba(0,0,0,.25);z-index:70;transition:transform .15s ease;
}
.wa-float:hover{transform:scale(1.07);}

/* ---------------- Responsive tune-ups ---------------- */
@media (max-width:980px){
  .hero .container,.page-hero .container,.why-grid,.content-split,.faq-wrap,.blog-layout,.contact-grid{
    grid-template-columns:1fr;
  }
  .hero-copy h1{font-size:34px;}
  .why-cards{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero .container{padding-top:40px;padding-bottom:40px;}
  .quote-card{padding:22px;}
}