/* ==========================================================================
   Digitronix Technology — Corporate Site
   Design tokens
   ========================================================================== */

:root{
  /* Color — single-accent blue theme, white header */
  --ink:            #0B1A30;   /* dark backgrounds — hero, footer, dark sections */
  --ink-2:          #10284A;   /* secondary dark — panels on dark */
  --blue:           #00569D;   /* primary accent — CTAs, links, active states */
  --blue-soft:      #4E8FC4;   /* secondary accent — labels, hover on dark bg (was teal) */
  --teal:           #4E8FC4;   /* kept as alias so existing rules using var(--teal) match the new accent */
  --amber:          #E8A33D;   /* tertiary — EOL/legacy flag only */
  --paper:          #F5F8FC;   /* light background, faint blue tint */
  --paper-2:        #EAF2FA;   /* light background, recessed, blue tint */
  --line:           #D7E2EE;   /* hairline borders on light */
  --line-dark:      rgba(255,255,255,0.14);
  --text:           #10192B;   /* body text on light */
  --text-soft:      #4B5568;   /* secondary text on light */
  --text-on-dark:   #EAF0FA;
  --text-on-dark-soft: #A9B7CE;
  --white:          #FFFFFF;

  /* Type */
  --font-display: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --font-body:    "Inter", "IBM Plex Sans", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 10px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.1;
  margin: 0 0 0.4em 0;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p{ margin: 0 0 0.8em 0; }
.lede{ text-wrap: pretty; }

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 10px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--teal);
  display:inline-block;
}

/* Visible keyboard focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-body);
  font-weight:600;
  font-size:14.5px;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: all .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover{ background:#184BB0; }
.btn-ghost{
  background: transparent;
  border-color: var(--line-dark);
  color: var(--text-on-dark);
}
.btn-ghost:hover{ border-color: var(--teal); color: var(--teal); }
.btn-ghost-light{
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost-light:hover{ border-color: var(--blue); color: var(--blue); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(11,26,48,0.03);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 88px;
}
.logo{
  display:flex;
  align-items:center;
  gap: 10px;
}
.logo img{
  height: 76px;
  width: auto;
  display:block;
}
.nav-links{
  display:flex;
  align-items:center;
  gap: 34px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-soft);
  transition: color .15s ease;
  position:relative;
}
.nav-links a:hover{ color: var(--blue); }
.nav-right{ display:flex; align-items:center; gap:16px; }

/* Dropdown menus — reusable pattern for any nav item with a sub-list */
.nav-item{ position:relative; }
.dropdown-trigger{
  background:none;
  border:none;
  cursor:pointer;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-soft);
  display:flex;
  align-items:center;
  gap: 5px;
  padding: 0;
}
.dropdown-trigger::after{
  content:"";
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.6;
}
.dropdown-trigger:hover{ color: var(--blue); }
.dropdown-menu{
  position:absolute;
  top: calc(100% + 16px);
  left: 0;
  min-width: 280px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 28px rgba(11,26,48,0.14);
  padding: 6px;
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
  z-index: 60;
}
.nav-item.open > .dropdown-menu{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li{ list-style:none; }
.dropdown-menu a{
  display:block;
  padding: 10px 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  border-radius: 6px;
  white-space: nowrap;
}
.dropdown-menu a:hover{ background: var(--paper-2); color: var(--blue); }

/* Nested submenu (e.g. Services > Consulting > Cost Reduction) */
.nav-item.submenu-parent{ position:relative; }
.dropdown-menu .nav-item.submenu-parent > .dropdown-trigger{
  display:flex;
  width: 100%;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  border-radius: 6px;
  font-family: var(--font-body);
}
.dropdown-menu .nav-item.submenu-parent > .dropdown-trigger:hover{ background: var(--paper-2); color: var(--blue); }
.dropdown-menu .nav-item.submenu-parent > .dropdown-trigger::after{
  transform: rotate(-45deg);
}
.nav-item.submenu-parent > .dropdown-menu.submenu{
  top: -6px;
  left: calc(100% + 8px);
}

.lang-toggle{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-soft);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor:pointer;
  display:flex;
  gap: 6px;
}
.lang-toggle span{ padding: 1px 5px; border-radius: 2px; }
.lang-toggle span.active{ background: var(--blue); color: var(--white); font-weight:700; }

.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width: 30px; height: 22px;
  flex-direction:column; justify-content:space-between;
}
.nav-toggle span{ height:2px; background: var(--ink); border-radius:2px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  background: var(--ink);
  color: var(--text-on-dark);
  padding: 110px 0 48px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-image: url("assets/hero-bg.jpg");
  background-size: cover;
  background-position: center 60%;
}
.hero-bg::after{ content:""; }
.hero-overlay{
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0.55) 100%),
    linear-gradient(90deg, rgba(0,0,0,0.30) 0%, rgba(0,0,0,0) 55%);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.hero-content{
  max-width: 780px;
}
.hero .eyebrow{ color: var(--teal); }
.hero h1{
  color: var(--white);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  max-width: 34ch;
}
.hero h1 .accent{ color: var(--teal); }
.hero p.lede{
  font-size: 15.5px;
  color: var(--text-on-dark-soft);
  max-width: 56ch;
  margin-bottom: 24px;
}
.hero-ctas{ display:flex; gap: 14px; flex-wrap:wrap; margin-bottom: 26px; }

.hero-tickers{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
  padding-top: 18px;
  max-width: 900px;
}
.ticker-item{
  padding-right: 20px;
  border-right: 1px solid var(--line-dark);
}
.ticker-item:last-child{ border-right:none; }
.ticker-code{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.08em;
  display:block;
  margin-bottom: 5px;
}
.ticker-label{
  font-size: 12.5px;
  color: var(--text-on-dark-soft);
  line-height:1.35;
}

/* ==========================================================================
   Section scaffolding
   ========================================================================== */
section{ padding: 44px 0; }
.section-light{ background: var(--paper); }
.section-recessed{ background: var(--paper-2); }
.section-dark{ background: var(--ink); color: var(--text-on-dark); }
.section-dark h2, .section-dark h3{ color: var(--white); }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size: clamp(21px, 2.4vw, 30px);
  max-width: 22ch;
}
.section-head .lede{
  max-width: 46ch;
  color: var(--text-soft);
  font-size: 14px;
  margin: 0;
}
.section-dark .section-head .lede{ color: var(--text-on-dark-soft); }

/* ==========================================================================
   Service cards (overview grid)
   ========================================================================== */
.svc-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: transparent;
  border: none;
}
.svc-card{
  background: var(--white);
  padding: 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(11,26,48,0.04);
  transition: box-shadow .18s ease, transform .18s ease;
}
.svc-card:hover{
  background: var(--white);
  box-shadow: 0 10px 24px rgba(0,86,157,0.12);
  transform: translateY(-2px);
}
.svc-code{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display:block;
}
.svc-card h3{ font-size: 16.5px; margin-bottom: 6px; }
.svc-card p{ font-size: 13.5px; color: var(--text-soft); margin-bottom: 12px; }
.svc-card a.svc-more{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--blue);
  font-weight:600;
}
.svc-card a.svc-more:hover{ color: var(--teal); }

/* ==========================================================================
   Detailed solution sections
   ========================================================================== */
.solution{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.solution:first-of-type{ border-top:none; }
.solution-aside{ position: relative; }
.solution-num{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
  letter-spacing: 0.1em;
  display:block;
  margin-bottom: 12px;
}
.solution h3{ font-size: 20px; margin-bottom: 8px; }
.solution-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 20px; }
.tag{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-soft);
}

.solution-body p{ color: var(--text-soft); font-size: 14px; }
.solution-list{ list-style:none; padding:0; margin: 18px 0 0; display:grid; gap:10px; }
.solution-list li{
  font-size: 13.5px;
  color: var(--text);
  padding-left: 20px;
  position:relative;
}
.solution-list li::before{
  content:"";
  position:absolute; left:0; top:8px;
  width:8px; height:1px;
  background: var(--blue);
}

@media (max-width: 860px){
  .solution{ grid-template-columns: 1fr; gap: 20px; }
}

/* ==========================================================================
   Vendor / partner strip
   ========================================================================== */
.vendor-grid{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.vendor-cell{
  background: var(--white);
  padding: 14px 16px;
  text-align:center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  display:flex;
  align-items:center;
  justify-content:center;
  min-height: 108px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.vendor-cell:hover{ transform: translateY(-2px); box-shadow: 0 10px 22px rgba(0,0,0,0.18); }
.vendor-logo{
  display:block;
  margin: 0 auto;
  height: 52px;
  width: auto;
  max-width: 80%;
  object-fit: contain;
  filter: grayscale(1) opacity(0.55);
  transition: filter .18s ease;
}
.vendor-logo-wide{
  width: 98%;
  max-width: 98%;
  height: 80px;
}
.vendor-logo-fill{
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 80px;
}
.vendor-cell:hover .vendor-logo{ filter: grayscale(0) opacity(1); }
.vendor-wordmark{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--text-soft);
  opacity: 0.7;
  transition: color .18s ease, opacity .18s ease;
}
.vendor-cell:hover .vendor-wordmark{ color: var(--ink); opacity: 1; }

/* ==========================================================================
   Approach / process
   ========================================================================== */
.process{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.process-step{ border-top: 3px solid var(--blue); padding-top: 20px; }
.process-step .svc-code{ color: var(--blue); }

/* ==========================================================================
   About / stats
   ========================================================================== */
.about-wrap{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items:start;
}
.about-body p{ color: var(--text-soft); font-size: 14px; }
.about-facts{
  display:grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.about-fact{
  background: var(--white);
  padding: 22px 26px;
}
.about-fact .k{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.about-fact .v{ font-size: 15px; margin-top: 6px; }

@media (max-width: 860px){
  .about-wrap{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-wrap{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-block{ margin-bottom: 12px; }
.contact-block .k{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
  display:block;
}
.contact-block .v{ font-size: 14px; color: var(--white); }
.contact-block a.v:hover{ color: var(--teal); }
.contact-block .v a{ color: var(--teal); font-weight:500; }
.contact-block .v a:hover{ color: var(--white); }

.form{ display:grid; gap: 16px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-soft);
  display:block;
  margin-bottom: 8px;
}
.form input, .form textarea, .form select{
  width:100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark);
  color: var(--white);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14.5px;
}
.form input::placeholder, .form textarea::placeholder{ color: var(--text-on-dark-soft); }
.form select{ cursor:pointer; }
.form select option{
  color: var(--text);
  background: var(--white);
}
.form textarea{ resize: vertical; min-height: 110px; }
.form-note{ font-size: 12.5px; color: var(--text-on-dark-soft); }

@media (max-width: 860px){
  .contact-wrap{ grid-template-columns: 1fr; gap: 40px; }
  .form-row{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Map
   ========================================================================== */
.map-wrap{
  margin-top: 32px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}
.map-wrap iframe{ display:block; filter: grayscale(0.15) contrast(1.02); }
.map-wrap .form-note{
  padding: 14px 18px;
  margin: 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark);
}

/* ==========================================================================
   Article pages
   ========================================================================== */
.page-hero{
  padding: 130px 0 40px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.page-hero .container::after{ content:""; display:table; clear:both; }
.page-hero h1{
  font-size: clamp(24px, 3vw, 34px);
  max-width: 28ch;
}
.page-hero .lede{
  color: var(--text-soft);
  max-width: 62ch;
  font-size: 15px;
  margin: 0;
}
.article-back{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
  display:inline-block;
  margin-bottom: 16px;
}
.article-back:hover{ color: var(--ink); }
.article-hero-img{
  float: right;
  width: 230px;
  height: 168px;
  object-fit: cover;
  border-radius: 12px;
  margin: 6px 0 20px 26px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 55%, transparent 94%);
  mask-image: radial-gradient(ellipse at center, black 55%, transparent 94%);
  filter: saturate(0.88);
}
.article-inline-img{ display: none; }
.article-body p{ overflow: visible; }
.article-body h2{ clear: both; }
.article-body{
  max-width: 740px;
  margin: 0 auto;
  padding: 40px 0 64px;
}
.article-body h2{
  font-size: 21px;
  margin-top: 1.5em;
}
.article-body p{
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}
.article-body ul{
  padding-left: 20px;
  margin: 0 0 1.2em;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
}
.article-body ul li{ margin-bottom: 9px; }
.article-cta{
  clear: both;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer{
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
  padding: 26px 0;
}
.footer-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 16px;
}
.footer-links{ display:flex; gap: 22px; list-style:none; margin:0; padding:0; }
.footer-links a{ font-size: 13px; color: var(--text-on-dark-soft); }
.footer-links a:hover{ color: var(--teal); }
.footer-small{ font-size: 12.5px; color: var(--text-on-dark-soft); font-family: var(--font-mono); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .svc-grid{ grid-template-columns: repeat(2, 1fr); }
  .vendor-grid{ grid-template-columns: repeat(3, 1fr); }
  .process{ grid-template-columns: repeat(2, 1fr); }
  .hero-tickers{ grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .ticker-item:nth-child(2){ border-right:none; }
}

@media (max-width: 720px){
  .nav-links{
    position:absolute;
    top: 88px; left:0; right:0;
    background: var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding: 24px var(--gutter) 32px;
    gap: 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 20px rgba(11,26,48,0.08);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-item{ width:100%; }
  .dropdown-menu{
    position:static;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:none;
    padding: 4px 0 0 4px;
    display:none;
  }
  .nav-item.open > .dropdown-menu{ display:block; }
  .nav-item.submenu-parent > .dropdown-trigger::after{ transform: rotate(45deg) translateY(-2px); }
  .dropdown-menu .submenu{ padding-left: 14px; margin-top: 4px; }
  .svc-grid{ grid-template-columns: 1fr; }
  .vendor-grid{ grid-template-columns: repeat(2, 1fr); }
  .process{ grid-template-columns: 1fr; }
  .hero{ padding: 120px 0 56px; }
}