/* ==========================================================================
   SHINEVAST — Computer Systems Design and Integration
   Light export theme: porcelain white body, deep ink text, export-navy accents
   ========================================================================== */

:root{
  --porcelain: #F5F8FC;
  --ink: #14202E;
  --navy: #2B4A6F;
  --navy-deep: #1E3A5C;
  --harbour: #D3E2F2;
  --harbour-soft: #E4EEF8;
  --white: #FFFFFF;
  --hairline: #2B4A6F;
  --shadow: 0 10px 30px #D3E2F2;
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  background-color: #F5F8FC;
  color: #14202E;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width: 100%; display: block; }
a{ color: #2B4A6F; text-decoration: none; }
a:hover{ text-decoration: underline; }
h1, h2, h3, h4, h5, h6{ color: #14202E; line-height: 1.2; margin: 0 0 0.5em; }
p{ margin: 0 0 1em; }

.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   NAVIGATION — crumb trail
   ========================================================================== */

.crumb-nav{
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: #F5F8FC;
  border-bottom: 2px solid #2B4A6F;
}

.crumb-nav .nav-inner{
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.crumb-nav .brand{
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #14202E;
}

.crumb-nav .brand:hover{ text-decoration: none; }

.crumb-nav .nav-links{
  display: flex;
  align-items: center;
  gap: 0;
}

.crumb-nav .nav-links a{
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #14202E;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.crumb-nav .nav-links a:hover{ color: #2B4A6F; text-decoration: none; }

.crumb-nav .nav-links a.active{
  color: #2B4A6F;
  border-bottom: 2px solid #2B4A6F;
}

.crumb-nav .nav-slash{
  color: #2B4A6F;
  font-weight: 700;
  font-size: 13px;
  margin: 0 12px;
  user-select: none;
}

.crumb-nav .nav-toggle{
  display: none;
  background: none;
  border: 2px solid #2B4A6F;
  cursor: pointer;
  padding: 8px;
  border-radius: 2px;
}

.crumb-nav .nav-toggle .bar{
  display: block;
  width: 22px;
  height: 3px;
  background-color: #2B4A6F;
  margin: 4px 0;
}

.crumb-nav .nav-toggle:hover{ background-color: #E4EEF8; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn{
  display: inline-block;
  padding: 15px 32px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
}

.btn-primary{
  background-color: #2B4A6F;
  color: #FFFFFF;
}

.btn-primary:hover{ background-color: #1E3A5C; text-decoration: none; }

.btn-outline{
  background-color: transparent;
  color: #14202E;
  border-color: #14202E;
}

.btn-outline:hover{ background-color: #14202E; color: #FFFFFF; text-decoration: none; }

.btn-dark{
  background-color: #14202E;
  color: #FFFFFF;
}

.btn-dark:hover{ background-color: #1E3A5C; text-decoration: none; }

/* ==========================================================================
   HERO — centered stack
   ========================================================================== */

.center-stack-hero{
  background-color: #F5F8FC;
  padding: 96px 24px 84px;
  text-align: center;
}

.center-stack-hero .hero-inner{ max-width: 980px; margin: 0 auto; }

.eyebrow-chip{
  display: inline-block;
  background-color: #2B4A6F;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 18px;
  border-radius: 2px;
  margin-bottom: 28px;
}

.center-stack-hero .hero-title{
  font-size: clamp(42px, 6vw, 60px);
  font-weight: 800;
  color: #14202E;
  letter-spacing: -0.01em;
  line-height: 1.1;
  max-width: 920px;
  margin: 0 auto 26px;
}

.center-stack-hero .hero-sub{
  font-size: 19px;
  color: #14202E;
  line-height: 1.7;
  max-width: 820px;
  margin: 0 auto 18px;
}

.hero-ctas{
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Cargo crate graphic — solid export-navy square, light-harbour cross band + stamp */
.cargo-crate{
  position: relative;
  width: 58px;
  height: 58px;
  background-color: #2B4A6F;
  margin: 52px auto 0;
  overflow: hidden;
}

.cargo-crate::before,
.cargo-crate::after{
  content: "";
  position: absolute;
  width: 130%;
  height: 4px;
  background-color: #D3E2F2;
  left: -15%;
  top: 50%;
}

.cargo-crate::before{ transform: rotate(45deg); }
.cargo-crate::after{ transform: rotate(-45deg); }

.cargo-crate .crate-stamp{
  position: absolute;
  width: 13px;
  height: 13px;
  background-color: #D3E2F2;
  border-radius: 50%;
  right: 7px;
  bottom: 7px;
}

/* ==========================================================================
   DUO PANELS SECTION
   ========================================================================== */

.duo-section{
  background-color: #FFFFFF;
  padding: 84px 24px;
}

.duo-section .section-title{
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  color: #14202E;
  text-align: center;
  margin-bottom: 18px;
}

.duo-section .section-lead{
  max-width: 860px;
  margin: 0 auto 18px;
  text-align: center;
  font-size: 18px;
  color: #14202E;
}

.duo-stack{ margin-top: 56px; }

.duo-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 2px solid #2B4A6F;
}

.duo-row:last-child{ border-bottom: 2px solid #2B4A6F; }

.duo-panel{
  padding: 40px 44px;
  background-color: #F5F8FC;
}

.duo-panel + .duo-panel{ border-left: 2px solid #2B4A6F; }

.duo-panel .panel-kicker{
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #2B4A6F;
  margin-bottom: 12px;
  border-bottom: 2px solid #2B4A6F;
  padding-bottom: 4px;
}

.duo-panel h3{
  font-size: 24px;
  font-weight: 800;
  color: #14202E;
  margin-bottom: 14px;
}

.duo-panel p{
  font-size: 16px;
  color: #14202E;
  line-height: 1.75;
  margin-bottom: 0;
}

/* ==========================================================================
   METRIC BAND
   ========================================================================== */

.metric-band{
  background-color: #D3E2F2;
  padding: 72px 24px;
}

.metric-band .metric-lead{
  max-width: 820px;
  margin: 0 auto 44px;
  text-align: center;
  font-size: 18px;
  color: #14202E;
}

.metric-row{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  max-width: 1000px;
  margin: 0 auto;
}

.metric{
  text-align: center;
  padding: 10px 20px;
}

.metric + .metric{ border-left: 2px solid #2B4A6F; }

.metric .metric-num{
  display: block;
  font-size: clamp(40px, 5vw, 54px);
  font-weight: 800;
  color: #2B4A6F;
  line-height: 1.1;
}

.metric .metric-label{
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #14202E;
}

/* ==========================================================================
   CTA BAND
   ========================================================================== */

.cta-band{
  background-color: #2B4A6F;
  padding: 80px 24px;
  text-align: center;
}

.cta-band .cta-title{
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  color: #FFFFFF;
  max-width: 860px;
  margin: 0 auto 18px;
}

.cta-band .cta-text{
  font-size: 18px;
  color: #FFFFFF;
  max-width: 780px;
  margin: 0 auto 34px;
}

/* ==========================================================================
   FOOTER — single row
   ========================================================================== */

.single-row-footer{
  background-color: #2B4A6F;
  padding: 26px 24px;
}

.single-row-footer .footer-line{
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
  font-size: 14px;
  color: #FFFFFF;
  line-height: 1.9;
}

.single-row-footer .footer-line a{
  color: #FFFFFF;
  font-weight: 600;
}

.single-row-footer .footer-line a:hover{ color: #D3E2F2; text-decoration: underline; }

.footer-sep{ margin: 0 10px; color: #D3E2F2; }

/* ==========================================================================
   PAGE HEAD (secondary pages: services, contact)
   ========================================================================== */

.page-head{
  background-color: #F5F8FC;
  padding: 72px 24px 64px;
  text-align: center;
  border-bottom: 2px solid #2B4A6F;
}

.page-head .page-title{
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: #14202E;
  max-width: 900px;
  margin: 0 auto 20px;
}

.page-head .page-sub{
  font-size: 18px;
  color: #14202E;
  max-width: 820px;
  margin: 0 auto;
}

/* ==========================================================================
   SERVICES PAGE
   ========================================================================== */

.service-ledger{
  background-color: #FFFFFF;
  padding: 76px 24px;
}

.service-block{
  max-width: 1020px;
  margin: 0 auto;
  padding: 40px 0;
  border-top: 2px solid #2B4A6F;
}

.service-block:last-child{ border-bottom: 2px solid #2B4A6F; }

.service-block .service-num{
  display: block;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #2B4A6F;
  margin-bottom: 8px;
}

.service-block h3{
  font-size: 26px;
  font-weight: 800;
  color: #14202E;
  margin-bottom: 14px;
}

.service-block p{
  font-size: 17px;
  color: #14202E;
  line-height: 1.75;
  max-width: 920px;
}

.process-band{
  background-color: #D3E2F2;
  padding: 76px 24px;
}

.process-band .section-title{
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  color: #14202E;
  text-align: center;
  margin-bottom: 16px;
}

.process-band .section-lead{
  text-align: center;
  font-size: 17px;
  color: #14202E;
  max-width: 760px;
  margin: 0 auto 48px;
}

.process-row{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 0;
  max-width: 1080px;
  margin: 0 auto;
}

.process-step{
  padding: 24px 28px;
  text-align: left;
}

.process-step + .process-step{ border-left: 2px solid #2B4A6F; }

.process-step .step-num{
  display: inline-block;
  background-color: #2B4A6F;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 14px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  margin-bottom: 16px;
}

.process-step h4{
  font-size: 18px;
  font-weight: 800;
  color: #14202E;
  margin-bottom: 8px;
}

.process-step p{
  font-size: 15px;
  color: #14202E;
  margin-bottom: 0;
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */

.contact-section{
  background-color: #FFFFFF;
  padding: 76px 24px;
}

.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  max-width: 1080px;
  margin: 0 auto;
}

.contact-panel h3{
  font-size: 22px;
  font-weight: 800;
  color: #14202E;
  border-bottom: 2px solid #2B4A6F;
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.contact-panel p{ color: #14202E; }

.contact-detail{
  padding: 14px 0;
  border-top: 1px solid #D3E2F2;
}

.contact-detail:last-child{ border-bottom: 1px solid #D3E2F2; }

.contact-detail .detail-label{
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #2B4A6F;
  margin-bottom: 4px;
}

.contact-detail .detail-value{
  font-size: 17px;
  color: #14202E;
  font-weight: 600;
}

.contact-form-wrap{
  background-color: #F5F8FC;
  border: 2px solid #2B4A6F;
  padding: 36px;
}

.contact-form .form-field{ margin-bottom: 20px; }

.contact-form label{
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #14202E;
  margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea{
  width: 100%;
  padding: 13px 14px;
  font-size: 16px;
  font-family: inherit;
  color: #14202E;
  background-color: #FFFFFF;
  border: 2px solid #2B4A6F;
  border-radius: 2px;
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline: none;
  border-color: #14202E;
  background-color: #FFFFFF;
}

.contact-form textarea{ min-height: 140px; resize: vertical; }

.form-status{
  margin-top: 16px;
  font-size: 15px;
  font-weight: 700;
  color: #14202E;
  min-height: 22px;
}

/* FAQ */
.faq-section{
  background-color: #F5F8FC;
  padding: 76px 24px;
}

.faq-section .section-title{
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  color: #14202E;
  text-align: center;
  margin-bottom: 40px;
}

.faq-list{
  max-width: 860px;
  margin: 0 auto;
}

.faq-item{
  background-color: #FFFFFF;
  border: 2px solid #2B4A6F;
  margin-bottom: 16px;
}

.faq-toggle{
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 20px;
  font-family: inherit;
  font-size: 17px;
  font-weight: 800;
  color: #14202E;
  cursor: pointer;
}

.faq-toggle:hover{ background-color: #E4EEF8; }

.faq-toggle .faq-mark{
  display: inline-block;
  width: 22px;
  color: #2B4A6F;
}

.faq-answer{
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p{
  padding: 0 20px 20px;
  margin: 0;
  color: #14202E;
  font-size: 16px;
}

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */

.fade-up{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible{
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px){

  .duo-row{ grid-template-columns: 1fr; }
  .duo-panel + .duo-panel{ border-left: none; border-top: 2px solid #2B4A6F; }

  .metric-row{ grid-template-columns: 1fr 1fr; }
  .metric:nth-child(3){ border-left: none; }
  .metric:nth-child(3), .metric:nth-child(4){ border-top: 2px solid #2B4A6F; }
  .metric:nth-child(3) + .metric{ border-left: 2px solid #2B4A6F; }

  .process-row{ grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(3){ border-left: none; }
  .process-step:nth-child(3), .process-step:nth-child(4){ border-top: 2px solid #2B4A6F; }

  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){

  .crumb-nav .nav-toggle{ display: block; }

  .crumb-nav .nav-links{
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: #F5F8FC;
    border-bottom: 2px solid #2B4A6F;
    padding: 8px 24px 16px;
  }

  .crumb-nav .nav-links.open{ display: flex; }

  .crumb-nav .nav-links a{
    display: block;
    padding: 12px 0;
    border-bottom: none;
  }

  .crumb-nav .nav-links a.active{
    border-bottom: 2px solid #2B4A6F;
    align-self: flex-start;
  }

  .crumb-nav .nav-slash{ display: none; }

  .center-stack-hero{ padding: 64px 20px 60px; }
  .duo-section{ padding: 60px 20px; }
  .duo-panel{ padding: 28px 20px; }
  .metric-band{ padding: 56px 20px; }
  .cta-band{ padding: 60px 20px; }
  .single-row-footer{ padding: 24px 16px; }

  .process-row{ grid-template-columns: 1fr; }
  .process-step + .process-step{ border-left: none; border-top: 2px solid #2B4A6F; }

  .metric-row{ grid-template-columns: 1fr 1fr; }

  .contact-form-wrap{ padding: 24px; }
  .hero-ctas{ flex-direction: column; align-items: center; }
  .hero-ctas .btn{ width: 100%; max-width: 340px; text-align: center; }
}

@media (prefers-reduced-motion: reduce){
  .fade-up{ opacity: 1; transform: none; transition: none; }
}