/* ==========================================================================
   IT GURUJAN — "VAULT" edition
   Cybersecurity / data-vault aesthetic. Near-black + cyan accent.
   ========================================================================== */

:root{
  --bg: #06080a;
  --bg-alt: #0a0d11;
  --panel: #0d1117;
  --panel-2: #10151c;
  --border: rgba(120,220,255,0.14);
  --border-strong: rgba(120,220,255,0.32);
  --ink: #e9f2f5;
  --ink-dim: #93a4ad;
  --ink-faint: #5b6a72;
  --accent: #4ff0ff;
  --accent-soft: rgba(79,240,255,0.14);
  --accent-glow: rgba(79,240,255,0.55);
  --danger: #ff5470;
  --danger-soft: rgba(255,84,112,0.14);
  --ok: #4ff0ff;
  --radius: 14px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(.16,.8,.24,1);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

body{
  background:var(--bg);
  color:var(--ink);
  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{list-style:none;}
.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
.mono{font-family:var(--font-mono);}
.small{font-size:0.78rem; letter-spacing:0.02em;}

::selection{background:var(--accent); color:#000;}

/* Faint scanline / grain texture over whole site */
.grain-overlay{
  position:fixed; inset:0; pointer-events:none; z-index:2;
  background-image:repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
  mix-blend-mode:overlay;
}
.vignette{
  position:fixed; inset:0; pointer-events:none; z-index:1;
  background:radial-gradient(ellipse at 50% 0%, transparent 40%, rgba(0,0,0,0.55) 100%);
}

/* ==========================================================================
   ENTRY / AUTH GATE
   ========================================================================== */
#auth-gate{
  position:fixed; inset:0; z-index:9999;
  background:#030506;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  transition:opacity .5s var(--ease), visibility .5s var(--ease);
}
#auth-gate.gate-hidden{opacity:0; visibility:hidden; pointer-events:none;}

.auth-grid-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(79,240,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,240,255,0.06) 1px, transparent 1px);
  background-size:36px 36px;
  mask-image:radial-gradient(ellipse at 50% 40%, black 0%, transparent 75%);
}
.auth-scanline{
  position:absolute; left:0; right:0; top:0;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow:0 0 20px 4px var(--accent-glow);
  animation:scan-sweep 1.9s linear infinite;
}
@keyframes scan-sweep{
  0%{transform:translateY(0); opacity:0;}
  5%{opacity:1;}
  95%{opacity:1;}
  100%{transform:translateY(100vh); opacity:0;}
}

.auth-inner{
  position:relative; z-index:2;
  width:min(440px, 88vw);
  text-align:left;
}
.auth-mark{
  display:flex; align-items:center; gap:10px;
  margin-bottom:28px;
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:0.82rem;
  letter-spacing:0.06em;
}
.auth-mark img{filter:drop-shadow(0 0 6px var(--accent-glow));}

.auth-log{
  font-family:var(--font-mono);
  font-size:0.86rem;
  color:var(--ink-dim);
  min-height:130px;
  display:flex; flex-direction:column; gap:9px;
}
.auth-log-line{
  opacity:0;
  transform:translateY(4px);
  animation:log-in .35s var(--ease) forwards;
  display:flex; align-items:center; gap:8px;
}
.auth-log-line.ok{color:var(--accent);}
@keyframes log-in{ to{opacity:1; transform:translateY(0);} }
.auth-log-line .tick{color:var(--accent); font-weight:700;}

.auth-bar-track{
  margin-top:26px;
  height:2px; width:100%;
  background:rgba(255,255,255,0.08);
  border-radius:2px;
  overflow:hidden;
}
.auth-bar-fill{
  height:100%; width:0%;
  background:linear-gradient(90deg, var(--accent), #8ff8ff);
  box-shadow:0 0 12px var(--accent-glow);
  transition:width .35s linear;
}

#auth-skip{
  position:absolute; bottom:26px; right:26px; z-index:3;
  background:transparent; border:1px solid var(--border-strong);
  color:var(--ink-dim); font-family:var(--font-mono); font-size:0.75rem;
  letter-spacing:0.06em;
  padding:8px 14px; border-radius:999px; cursor:pointer;
  transition:color .2s, border-color .2s;
}
#auth-skip:hover, #auth-skip:focus-visible{color:var(--accent); border-color:var(--accent);}

/* Iris / clip-path unlock reveal on the site itself */
#site{
  clip-path:circle(0% at 50% 50%);
  transition:clip-path 1.1s var(--ease);
}
#site.site-unlocked{
  clip-path:circle(150% at 50% 50%);
}
body.pre-auth{overflow:hidden; height:100vh;}

@media (prefers-reduced-motion: reduce){
  #site{clip-path:none !important; transition:none !important;}
  .auth-scanline{animation:none;}
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(6,8,10,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-row{
  display:flex; align-items:center; justify-content:space-between;
  height:68px;
}
.logo{
  display:flex; align-items:center; gap:9px;
  font-family:var(--font-mono); font-weight:700; letter-spacing:0.04em;
  font-size:0.95rem;
}
.main-nav{display:flex; align-items:center; gap:28px;}
.main-nav a{
  font-family:var(--font-mono); font-size:0.82rem; color:var(--ink-dim);
  letter-spacing:0.02em;
  position:relative;
  transition:color .2s;
}
.main-nav a:hover, .main-nav a:focus-visible{color:var(--accent);}
.main-nav a.nav-cta{
  color:var(--bg); background:var(--accent); padding:8px 16px; border-radius:999px;
  font-weight:700;
}
.main-nav a.nav-cta:hover{box-shadow:0 0 16px var(--accent-glow);}

.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;}
.nav-toggle span{width:22px; height:2px; background:var(--ink); display:block;}
.mobile-nav{display:none;}

@media (max-width:880px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .mobile-nav{
    display:none; flex-direction:column; gap:2px;
    background:var(--bg-alt); border-bottom:1px solid var(--border);
    padding:14px 28px 22px;
  }
  .mobile-nav.open{display:flex;}
  .mobile-nav a{
    font-family:var(--font-mono); font-size:0.9rem; color:var(--ink-dim);
    padding:11px 0; border-bottom:1px solid rgba(255,255,255,0.05);
  }
  .mobile-nav-themes{display:flex; flex-wrap:wrap; gap:10px 16px; margin-top:14px;}
  .mobile-nav-label{width:100%; color:var(--ink-faint); font-size:0.7rem; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:0.08em; margin-bottom:4px;}
  .mobile-nav-themes a{border:none; padding:2px 0; font-size:0.8rem;}
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;
  padding:120px 0 90px;
  overflow:hidden;
}
.hero-scan{
  position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(700px 400px at 82% -10%, var(--accent-soft), transparent 70%),
    radial-gradient(500px 300px at 10% 110%, rgba(79,240,255,0.06), transparent 70%);
}
.hero-inner{position:relative; z-index:1;}

.status-row{
  display:inline-flex; align-items:center; gap:9px;
  margin-bottom:22px;
  padding:6px 14px 6px 10px;
  border:1px solid var(--border-strong);
  border-radius:999px;
  background:rgba(79,240,255,0.05);
}
.pulse-dot{
  width:7px; height:7px; border-radius:50%; background:var(--accent);
  box-shadow:0 0 8px var(--accent-glow);
  animation:pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{opacity:1; transform:scale(1);}
  50%{opacity:0.4; transform:scale(0.8);}
}
.status-row .mono{color:var(--accent); font-size:0.72rem; letter-spacing:0.06em;}

.eyebrow{color:var(--ink-faint); font-size:0.8rem; letter-spacing:0.04em; margin-bottom:18px;}

.hero-title{
  font-family:var(--font-head);
  font-weight:700;
  font-size:clamp(2.1rem, 5.4vw, 4.1rem);
  line-height:1.08;
  letter-spacing:-0.01em;
  max-width:15ch;
  margin-bottom:26px;
}
.hero-sub{
  color:var(--ink-dim);
  font-size:1.06rem;
  max-width:640px;
  margin-bottom:30px;
}
.chip-row{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px;}
.chip{
  border:1px solid var(--border); border-radius:999px;
  padding:6px 14px; font-size:0.76rem; color:var(--ink-dim);
  background:rgba(255,255,255,0.02);
}
.cta-row{display:flex; flex-wrap:wrap; gap:14px;}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 28px; border-radius:10px;
  font-weight:600; font-size:0.95rem;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s, background .2s;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--accent); color:#03181b;
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 30px -6px var(--accent-glow);}
.btn-ghost{
  border-color:var(--border-strong); color:var(--ink);
}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}

.hero-telemetry{
  margin-top:70px;
  display:flex; flex-wrap:wrap; gap:28px;
  padding-top:22px; border-top:1px solid var(--border);
  color:var(--ink-faint); font-size:0.72rem; letter-spacing:0.05em;
}

/* ==========================================================================
   SECTION SHARED
   ========================================================================== */
.section{padding:100px 0;}
.section-alt{background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.section-kicker{color:var(--accent); font-size:0.76rem; letter-spacing:0.08em; margin-bottom:12px;}
.section-title{
  font-family:var(--font-head); font-weight:700;
  font-size:clamp(1.7rem, 3.6vw, 2.6rem);
  letter-spacing:-0.01em;
  margin-bottom:14px;
  min-height:1.2em;
}
.section-sub{color:var(--ink-dim); max-width:600px; margin-bottom:52px; font-size:1rem;}

/* decrypt char spans should not jump layout */
.decrypt-char{display:inline-block;}

/* ==========================================================================
   VAULT GRID — SERVICES
   ========================================================================== */
.vault-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
  gap:18px;
}
.vault-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px 28px;
  transition:border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
  cursor:default;
}
.vault-card:hover, .vault-card:focus-visible, .vault-card.tapped{
  border-color:var(--border-strong);
  transform:translateY(-4px);
  box-shadow:0 14px 40px -18px var(--accent-glow), 0 0 0 1px var(--accent-soft) inset;
}
.vault-card-top{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:20px;
}
.mod-id{color:var(--ink-faint); font-size:0.72rem; letter-spacing:0.06em;}
.lock-icon{
  position:relative; width:28px; height:28px; color:var(--ink-dim);
  transition:color .3s;
}
.lock-icon svg{
  position:absolute; inset:0; width:28px; height:28px;
  transition:opacity .35s var(--ease), transform .35s var(--ease);
}
.lock-locked{opacity:1; transform:scale(1) rotate(0deg);}
.lock-open{opacity:0; transform:scale(0.85) rotate(-6deg);}
.vault-card:hover .lock-icon, .vault-card:focus-visible .lock-icon, .vault-card.tapped .lock-icon{
  color:var(--accent);
  filter:drop-shadow(0 0 8px var(--accent-glow));
}
.vault-card:hover .lock-locked, .vault-card:focus-visible .lock-locked, .vault-card.tapped .lock-locked{opacity:0; transform:scale(0.85) rotate(6deg);}
.vault-card:hover .lock-open, .vault-card:focus-visible .lock-open, .vault-card.tapped .lock-open{opacity:1; transform:scale(1) rotate(0deg);}

.vault-card-title{
  font-family:var(--font-head); font-size:1.12rem; font-weight:700;
  margin-bottom:10px;
}
.vault-card-desc{color:var(--ink-dim); font-size:0.92rem;}

/* ==========================================================================
   CHATBOT / GUARDIAN
   ========================================================================== */
.chatbot-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:60px; align-items:center;
}
@media (max-width:900px){.chatbot-grid{grid-template-columns:1fr;}}

.protocol-list{margin:30px 0; display:flex; flex-direction:column; gap:18px;}
.protocol-list li{display:flex; gap:14px; align-items:flex-start;}
.protocol-check{
  flex:none; width:24px; height:24px; border-radius:6px;
  border:1px solid var(--border-strong);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent); font-size:0.85rem; font-weight:700;
  background:var(--accent-soft);
}
.protocol-list strong{display:block; margin-bottom:3px; font-family:var(--font-head); font-size:1rem;}
.protocol-list p{color:var(--ink-dim); font-size:0.9rem;}

.tag-row{display:flex; flex-wrap:wrap; gap:9px; margin-top:8px;}
.tag{
  border:1px solid var(--border); border-radius:6px;
  padding:5px 10px; font-size:0.72rem; color:var(--ink-dim);
  background:rgba(255,255,255,0.02);
}

.biometric-panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
}
.corner{position:absolute; width:22px; height:22px; border-color:var(--accent); opacity:0.8;}
.corner.tl{top:-1px; left:-1px; border-top:2px solid; border-left:2px solid; border-top-left-radius:8px;}
.corner.tr{top:-1px; right:-1px; border-top:2px solid; border-right:2px solid; border-top-right-radius:8px;}
.corner.bl{bottom:-1px; left:-1px; border-bottom:2px solid; border-left:2px solid; border-bottom-left-radius:8px;}
.corner.br{bottom:-1px; right:-1px; border-bottom:2px solid; border-right:2px solid; border-bottom-right-radius:8px;}

.biometric-header{
  display:flex; align-items:center; gap:9px;
  margin-bottom:16px; font-size:0.74rem; letter-spacing:0.05em; color:var(--ink-dim);
}
.scan-icon{color:var(--accent); display:flex;}
.verified-badge{
  margin-left:auto;
  background:var(--accent); color:#03181b;
  padding:3px 9px; border-radius:5px; font-weight:700; font-size:0.68rem; letter-spacing:0.04em;
}
.biometric-img-wrap{
  position:relative; border-radius:8px; overflow:hidden;
  border:1px solid var(--border);
}
.biometric-img-wrap img{width:100%; display:block;}
.biometric-scanline{
  position:absolute; left:0; right:0; top:0; height:2px;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow:0 0 16px 3px var(--accent-glow);
  animation:bio-scan 3.2s ease-in-out infinite;
}
@keyframes bio-scan{
  0%,100%{top:0; opacity:0.9;}
  50%{top:calc(100% - 2px); opacity:0.5;}
}
.biometric-footer{
  display:flex; justify-content:space-between; margin-top:14px;
  color:var(--ink-faint); font-size:0.68rem; letter-spacing:0.04em;
}
.biometric-footer .ok{color:var(--accent); font-weight:700;}

@media (prefers-reduced-motion: reduce){
  .biometric-scanline{animation:none; top:0;}
}

/* ==========================================================================
   CASE FILES
   ========================================================================== */
.casefile-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(300px, 1fr)); gap:24px;
}
.casefile{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s var(--ease), border-color .3s;
}
.casefile:hover{transform:translateY(-4px); border-color:var(--border-strong);}
.casefile-img{position:relative; aspect-ratio:16/10; overflow:hidden; border-bottom:1px solid var(--border);}
.casefile-img img{width:100%; height:100%; object-fit:cover; filter:saturate(0.85) contrast(1.05);}
.status-pill{
  position:absolute; top:12px; left:12px;
  padding:5px 11px; border-radius:999px; font-size:0.68rem; letter-spacing:0.04em;
  backdrop-filter:blur(6px);
}
.status-current{background:rgba(255,84,112,0.16); color:var(--danger); border:1px solid rgba(255,84,112,0.4);}
.status-live{background:rgba(79,240,255,0.16); color:var(--accent); border:1px solid rgba(79,240,255,0.4);}
.status-dev{background:rgba(255,255,255,0.08); color:var(--ink-dim); border:1px solid var(--border-strong);}

.casefile-body{padding:22px 22px 26px;}
.casefile-id{color:var(--ink-faint); margin-bottom:8px;}
.casefile-body h3{font-family:var(--font-head); font-size:1.2rem; margin-bottom:10px;}
.casefile-body p{color:var(--ink-dim); font-size:0.88rem; margin-bottom:8px;}
.link-arrow{color:var(--accent); font-weight:600;}

/* Redacted-bar declassify effect */
.redact-line{position:relative;}
.redact-line[data-redact]{
  color:transparent;
  transition:color .05s;
}
.redact-line[data-redact]::before{
  content:'';
  position:absolute; inset:2px 0;
  background:var(--ink-faint);
  border-radius:2px;
  transform-origin:left;
  transition:transform .55s var(--ease), opacity .3s var(--ease) .3s;
}
.redact-line[data-redact].declassified{color:inherit;}
.redact-line[data-redact].declassified::before{
  transform:scaleX(0);
  opacity:0;
}

@media (prefers-reduced-motion: reduce){
  .redact-line[data-redact]{color:inherit;}
  .redact-line[data-redact]::before{display:none;}
}

/* ==========================================================================
   APP GRID
   ========================================================================== */
.app-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(270px, 1fr)); gap:20px;
}
.app-card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px;
}
.app-card-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:16px;}
.app-card h3{font-family:var(--font-head); font-size:1.1rem; margin-bottom:8px;}
.app-card > p{color:var(--ink-dim); font-size:0.88rem; margin-bottom:16px;}
.mini-list{display:flex; flex-direction:column; gap:7px; color:var(--ink-faint);}
.mini-list li{padding-left:14px; position:relative;}
.mini-list li::before{content:'›'; position:absolute; left:0; color:var(--accent);}

.status-pill.status-dev{position:static;}

/* ==========================================================================
   PROCESS / PROTOCOL STEPS
   ========================================================================== */
.protocol-steps{
  display:flex; flex-direction:column; gap:0;
  border-left:1px solid var(--border);
  margin-left:8px;
}
.protocol-step{
  display:flex; gap:24px; align-items:flex-start;
  padding:26px 0 26px 30px;
  position:relative;
}
.protocol-step::before{
  content:'';
  position:absolute; left:-6px; top:30px;
  width:11px; height:11px; border-radius:50%;
  background:var(--bg); border:2px solid var(--ink-faint);
  transition:border-color .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.protocol-step.checked::before{
  border-color:var(--accent); background:var(--accent);
  box-shadow:0 0 12px var(--accent-glow);
}
.protocol-step-marker{
  color:var(--ink-faint); font-size:0.95rem; font-weight:700; flex:none; width:34px;
  transition:color .4s var(--ease);
}
.protocol-step.checked .protocol-step-marker{color:var(--accent);}
.protocol-step-body h3{font-family:var(--font-head); font-size:1.15rem; margin-bottom:6px;}
.protocol-step-body p{color:var(--ink-dim); font-size:0.92rem;}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-grid{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:center;
}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;}}
.about-img-wrap{position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border);}
.about-img-wrap img{width:100%; display:block; filter:saturate(0.9) contrast(1.05);}
.about-copy p{color:var(--ink-dim); margin-bottom:16px; font-size:0.98rem;}
.quote{
  border-left:2px solid var(--accent);
  padding-left:18px; margin:24px 0;
  font-family:var(--font-head); font-size:1.15rem; color:var(--ink);
  font-style:normal;
}
.location-line{color:var(--ink-faint); margin-top:18px;}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.channel-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(240px, 1fr)); gap:16px;
}
.channel-card{
  display:flex; flex-direction:column; gap:8px;
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px 22px;
  transition:border-color .3s, transform .3s var(--ease);
}
a.channel-card:hover{border-color:var(--accent); transform:translateY(-3px);}
.channel-card .mod-id{color:var(--accent);}
.channel-card strong{font-size:0.95rem; word-break:break-word;}
.channel-card-static{opacity:0.85;}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  border-top:1px solid var(--border);
  padding:34px 0;
}
.footer-row{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:16px;
}
.footer-brand{display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:0.85rem; font-weight:700;}
.footer-row .mono{color:var(--ink-faint);}
.theme-switcher{display:flex; flex-wrap:wrap; gap:14px;}
.theme-switcher a{color:var(--ink-faint); transition:color .2s;}
.theme-switcher a:hover{color:var(--accent);}

/* ==========================================================================
   RESPONSIVE TWEAKS
   ========================================================================== */
@media (max-width:480px){
  .wrap{padding:0 18px;}
  .hero{padding:100px 0 60px;}
  .section{padding:70px 0;}
  .hero-telemetry{gap:14px 22px;}
  .auth-inner{width:90vw;}
  .btn{width:100%;}
  .cta-row{flex-direction:column;}
}