/* ==========================================================================
   VECTOR — IT infrastructure / security / development studio
   Design tokens
   ========================================================================== */

@font-face{
  font-family: 'Rufina';
  src: url('../assets/fonts/Rufina-Regular.woff2') format('woff2'),
       url('../assets/fonts/Rufina-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/IBMPlexSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/IBMPlexSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/IBMPlexSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/IBMPlexMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/IBMPlexMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/IBMPlexMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root{
  --bg:        #0a0d12;
  --bg-alt:    #0d1218;
  --panel:     #12171e;
  --panel-2:   #161c24;
  --border:    #232a33;
  --border-soft: #1a2027;

  --text:      #e9edf0;
  --muted:     #93a0a6;
  --muted-2:   #637075;

  --accent:    #8ea3aa;
  --accent-dim:#556970;
  --accent-2:  #556970;
  --brand:     #556970;
  --on-accent: #04120f;

  --header-bg: rgba(8,11,18,0.72);
  --glow-1: rgba(142,163,170,.55);
  --glow-2: rgba(142,163,170,.75);
  --btn-hover: #6b828a;
  --chip-bg: rgba(8,11,18,.55);
  --chip-text: #eef1f2;
  --media-scrim: rgba(10,13,18,.3);
  --selection-bg: var(--accent);

  --canvas-line:  rgba(142,163,170,0.22);
  --canvas-ring:  rgba(85,105,112,0.22);
  --canvas-dot:   rgba(180,196,201,0.9);
  --canvas-glow:  rgba(85,105,112,0.5);
  --canvas-core:  #d7dfe1;
  --canvas-sat:   #9fb0b5;
  --canvas-label: rgba(148,163,184,0.85);

  --font-display: 'Rufina', 'IBM Plex Sans', serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --ease: cubic-bezier(.16,.84,.44,1);
}

html[data-theme="light"]{
  --bg:        #f4f6f6;
  --bg-alt:    #eceeef;
  --panel:     #ffffff;
  --panel-2:   #f6f7f8;
  --border:    #dde2e3;
  --border-soft: #e6eaeb;

  --text:      #171e21;
  --muted:     #56656b;
  --muted-2:   #8a979c;

  --accent:    #43575d;
  --accent-dim:#556970;
  --accent-2:  #556970;
  --brand:     #556970;
  --on-accent: #f4f6f6;

  --header-bg: rgba(244,246,246,0.78);
  --glow-1: rgba(85,105,112,.28);
  --glow-2: rgba(85,105,112,.35);
  --btn-hover: #3c4d52;
  --chip-bg: rgba(12,16,18,.68);
  --chip-text: #f2f4f4;
  --media-scrim: rgba(10,13,18,.32);
  --selection-bg: var(--accent);

  --canvas-line:  rgba(85,105,112,0.28);
  --canvas-ring:  rgba(85,105,112,0.18);
  --canvas-dot:   rgba(50,64,69,0.85);
  --canvas-glow:  rgba(85,105,112,0.32);
  --canvas-core:  #2c3a3f;
  --canvas-sat:   #556970;
  --canvas-label: rgba(70,85,90,0.8);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; font-weight:400; letter-spacing:-0.01em; }
p{ margin:0; }

::selection{ background: var(--selection-bg); color: var(--on-accent); }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:'';
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
  box-shadow: 0 0 8px 1px var(--glow-1);
}

.btn{
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), border-color .25s, background .25s, color .25s;
  white-space: nowrap;
}
.btn-primary{
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}
.btn-primary:hover{ background: var(--btn-hover); transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn svg{ width:14px; height:14px; transition: transform .25s var(--ease); }
.btn:hover svg{ transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-mark{
  height: 22px;
  width: auto;
  flex-shrink:0;
}
.logo-for-light{ display:none; }
html[data-theme="light"] .logo-for-dark{ display:none; }
html[data-theme="light"] .logo-for-light{ display:block; }
.brand-domain{
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.header-actions{ display:flex; align-items:center; gap:14px; }

.theme-toggle{
  display:flex; align-items:center; justify-content:center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color .2s, color .2s;
}
.theme-toggle:hover{ border-color: var(--accent); color: var(--text); }
.theme-toggle svg{ width: 18px; height: 18px; }
.theme-toggle .icon-moon{ display:none; }
html[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
html[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

.lang-toggle{
  display:flex; align-items:center; justify-content:center;
  height: 38px;
  padding: 0 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color .2s, color .2s;
}
.lang-toggle:hover{ border-color: var(--accent); color: var(--text); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 168px 0 92px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.hero-canvas-wrap{
  position:absolute;
  inset:0;
  z-index:0;
  opacity: .55;
  mask-image: radial-gradient(ellipse 70% 60% at 62% 40%, black 40%, transparent 85%);
}
#network-canvas{ width:100%; height:100%; display:block; }

.hero .container{ position:relative; z-index:2; }
.hero-inner{ max-width: 720px; }
.hero-inner .eyebrow{ margin-bottom: 22px; }
.hero h1{
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  color: var(--text);
}
.hero h1 .accent-line{ color: var(--accent); }
.hero-sub{
  margin-top: 22px;
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
}
.hero-actions{
  margin-top: 36px;
  display:flex;
  align-items:center;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-stats{
  margin-top: 64px;
  display:grid;
  grid-template-columns: repeat(3, auto);
  gap: 40px;
}
.hero-stat b{
  display:block;
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--text);
  font-weight: 500;
}
.hero-stat span{
  font-size: 13px;
  color: var(--muted-2);
}

/* ---------- Service status bar (signature nav) ---------- */
.status-bar{
  position: sticky;
  top: 72px;
  z-index: 90;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-soft);
  overflow-x: auto;
  scrollbar-width: none;
}
.status-bar::-webkit-scrollbar{ display:none; }
.status-bar-inner{
  max-width: var(--container);
  margin: 0 auto;
  display:flex;
  padding: 0 28px;
}
.status-item{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted-2);
  padding: 14px 20px;
  border-right: 1px solid var(--border-soft);
  display:flex;
  align-items:center;
  gap: 9px;
  white-space:nowrap;
  cursor:pointer;
  transition: color .2s, background .2s;
  position:relative;
}
.status-item:first-child{ padding-left:0; }
.status-item .code{ color: var(--accent-dim); font-weight:600; letter-spacing:.03em; transition:color .2s;}
.status-item:hover{ color: var(--text); }
.status-item:hover .code{ color: var(--accent); }
.status-item.is-active{ color: var(--text); background: var(--panel); }
.status-item.is-active .code{ color: var(--accent); }
.status-item.is-active::before{
  content:'';
  position:absolute;
  left:0; right:0; top:0;
  height:2px;
  background: var(--accent);
}
.status-dot{
  width:6px; height:6px;
  border-radius:50%;
  background: var(--muted-2);
  flex-shrink:0;
}
.status-item.is-active .status-dot{
  background: var(--accent);
  box-shadow: 0 0 6px 1px var(--glow-2);
}

/* ---------- Sections generic ---------- */
section{ position: relative; }
.section-pad{ padding: 110px 0; }
.section-pad + .section-pad{ border-top: 1px solid var(--border-soft); }

.section-head{
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head .eyebrow{ margin-bottom: 18px; }
.section-head h2{
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.15;
}
.section-lede{
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.service-block{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.service-block.reverse .service-media{ order: -1; }

.service-copy p{ color: var(--muted); font-size: 15.5px; line-height:1.8; }
.service-copy p + p{ margin-top: 14px; }

.service-media{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4/5;
  background: var(--panel);
}
.service-media img{
  width:100%; height:100%; object-fit:cover;
  filter: saturate(1.05);
}
.service-media::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(8,11,18,0) 40%, rgba(8,11,18,.92) 100%),
              linear-gradient(120deg, rgba(85,105,112,.28), var(--media-scrim));
  mix-blend-mode: multiply;
}
.media-tag{
  position:absolute;
  left:18px; bottom:18px;
  z-index:2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--chip-text);
  background: var(--chip-bg);
  border: 1px solid rgba(255,255,255,.14);
  padding: 7px 12px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
  display:flex; align-items:center; gap:8px;
}
.media-tag::before{ content:''; width:6px; height:6px; border-radius:50%; background: #9fb0b5; }

.card-grid{
  margin-top: 44px;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow:hidden;
}
.card{
  background: var(--panel);
  padding: 26px 26px 28px;
}
.card .card-icon{
  width: 34px; height:34px;
  color: var(--accent);
  margin-bottom: 16px;
}
.card h4{
  font-family: var(--font-body);
  font-weight:600;
  font-size: 15.5px;
  margin-bottom: 8px;
}
.card p{ font-size: 13.8px; color: var(--muted); line-height:1.7; }

/* thread line connecting sections (signature motif, subtle) */
.thread{
  position:absolute;
  left: 50%;
  top:0; bottom:0;
  width:1px;
  background: linear-gradient(180deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  opacity:.5;
  pointer-events:none;
  z-index:0;
}

/* ---------- Contact / CTA ---------- */
.contact-section{
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
}
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.contact-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
}
.contact-row{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-soft);
}
.contact-row:last-child{ border-bottom:none; }
.contact-row svg{ width:18px; height:18px; color: var(--accent); margin-top:2px; flex-shrink:0; }
.contact-row .label{ font-size:12.5px; color: var(--muted-2); font-family: var(--font-mono); }
.contact-row .value{ font-size:15px; margin-top:3px; }
.contact-row a.value:hover{ color: var(--accent); }

.field{ margin-bottom: 18px; }
.field label{
  display:block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: .03em;
}
.field input, .field textarea{
  width:100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
  transition: border-color .2s;
}
.field input:focus, .field textarea:focus{ border-color: var(--accent); outline:none; }
.field textarea{ resize: vertical; min-height: 100px; }

.field-honeypot{
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status{
  margin-top: 14px;
  font-size: 13.5px;
  min-height: 1.4em;
  color: var(--muted);
}
.form-status.is-success{ color: var(--accent); }
.form-status.is-error{ color: #c0665f; }

/* ---------- Footer ---------- */
.site-footer{
  padding: 46px 0;
  border-top: 1px solid var(--border-soft);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-inner .brand{ font-size:16px; }
.footer-links{ display:flex; gap: 24px; }
.footer-links a{ font-size: 13.5px; color: var(--muted); }
.footer-links a:hover{ color: var(--accent); }
.footer-note{ font-size: 12.5px; color: var(--muted-2); font-family: var(--font-mono); }

/* ---------- Reveal animation (opt-in via JS so content is always visible without/before JS) ---------- */
.reveal{ transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js-reveal .reveal{ opacity:0; transform: translateY(18px); }
.js-reveal .reveal.is-visible{ opacity:1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .service-block{ grid-template-columns: 1fr; }
  .service-media{ aspect-ratio: 16/10; order:-1 !important; }
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .card-grid{ grid-template-columns: 1fr; }
  .hero{ padding-top: 140px; }
}

@media (max-width: 560px){
  .container{ padding: 0 18px; }
  .section-pad{ padding: 76px 0; }
  .hero{ padding: 130px 0 60px; }
  .hero-stats{ grid-template-columns: repeat(2,auto); row-gap: 24px; }
  .contact-card{ padding: 24px; }
  .brand-domain{ display:none; }
  .header-actions .btn-primary{ padding: 11px 16px; font-size: 12.5px; }
}