/* ============================================================
   Lohith Sanju P — portfolio
   hand-written CSS · dark telemetry / terminal system v2.7
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --bg:        #050507;
  --bg-2:      #08080c;
  --panel:     #0b0b11;
  --panel-2:   #101018;
  --line:      #1b1b24;
  --line-2:    #272734;
  --ink:       #ededf0;
  --ink-2:     #b6b6c2;
  --muted:     #86869a;
  --faint:     #6a6a7e;
  --red:       #ff3333;
  --red-2:     #ff6363;
  --red-dim:   #9c1420;
  --cyan:      #00ffff;
  --ok:        #2ee6a0;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --nav-h: 64px;
  --pad: clamp(18px, 4vw, 48px);
  --max: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ring: rgba(255,51,51,.55);
}

/* Reset & globals */
*,*::before,*::after{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* Ambient background layers — subtle crimson/cyan bleed */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(900px 620px at 12% -6%, rgba(255,51,51,.10), transparent 62%),
    radial-gradient(760px 560px at 92% 8%, rgba(0,255,255,.05), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(255,51,51,.05), transparent 65%),
    var(--bg);
}
body::after{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.024) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 120% 90% at 50% 0%, #000 5%, transparent 78%);
  mask-image:radial-gradient(ellipse 120% 90% at 50% 0%, #000 5%, transparent 78%);
}

.grain{
  position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
#fx{ position:fixed; inset:0; width:100%; height:100%; z-index:0; pointer-events:none; }

::selection{ background:rgba(255,51,51,.28); color:#fff; }
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:#07070a; }
::-webkit-scrollbar-thumb{ background:#22222d; border:2px solid #07070a; border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background:var(--red-dim); }

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul{ list-style:none; }

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

.skip-link{
  position:fixed; top:-60px; left:16px; z-index:9999;
  background:var(--red); color:#0a0a0a; padding:10px 18px;
  font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  transition:top .2s var(--ease);
}
.skip-link:focus{ top:16px; }

.mono{ font-family:var(--mono); }
.ok{ color:var(--ok); }
.dim{ color:var(--muted); }
.blink{ animation:blink 1.5s steps(2,end) infinite; color:var(--red); }
@keyframes blink{ 50%{ opacity:0; } }

/* ---------- custom cursor ---------- */
.cursor-dot,.cursor-ring{ position:fixed; top:0; left:0; pointer-events:none; z-index:9998; opacity:0; }
.cursor-dot{ width:6px; height:6px; background:var(--red); border-radius:50%; }
.cursor-ring{
  width:38px; height:38px; border:1px solid var(--ring); border-radius:50%;
  transition:width .22s var(--ease), height .22s var(--ease), border-color .22s, background-color .22s;
}
.cursor-ring.is-hot{ width:56px; height:56px; border-color:var(--red); background:rgba(255,51,51,.08); }
body.has-cursor .cursor-dot,body.has-cursor .cursor-ring{ opacity:1; }
@media (hover:hover) and (pointer:fine){
  body.has-cursor, body.has-cursor *{ cursor:none !important; }
}

/* ---------- scroll progress ---------- */
.scroll-progress{ position:fixed; inset:0 0 auto 0; height:3px; background:transparent; z-index:1200; }
.scroll-progress i{
  display:block; height:100%; width:0; transform-origin:0 50%;
  background:linear-gradient(90deg, var(--red), var(--red-2) 55%, var(--cyan));
  box-shadow:0 0 14px rgba(255,51,51,.55);
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1100;
  height:var(--nav-h); display:flex; align-items:center;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
}
.nav.is-stuck{
  background:rgba(5,5,7,.88);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom-color:var(--line);
}
.nav-inner{
  width:100%; max-width:var(--max); margin:0 auto; padding:0 var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}

.brand{ display:flex; align-items:center; gap:10px; font-family:var(--mono); font-size:12px; letter-spacing:.04em; }
.brand-mark{
  font-weight:700; font-size:16px; letter-spacing:.12em; color:var(--ink);
  border:1px solid var(--line-2); padding:3px 10px; border-radius:5px;
  background:linear-gradient(180deg,#13131c,#0a0a10);
}
.brand:hover .brand-mark{ border-color:var(--red); color:var(--red); }
.brand-sep{ color:var(--red); font-weight:700; }
.brand-sub{ color:var(--muted); }

.nav-links{ display:flex; align-items:center; gap:4px; }
.nav-link{
  position:relative; font-family:var(--mono); font-size:12px; letter-spacing:.04em;
  color:var(--muted); padding:7px 10px; border-radius:4px;
  display:flex; align-items:center; gap:6px; transition:color .2s, background .2s;
}
.nav-link span{ font-size:9px; color:var(--faint); letter-spacing:.05em; }
.nav-link:hover{ color:var(--ink); background:rgba(255,255,255,.03); }
.nav-link:hover span{ color:var(--red); }
.nav-link.is-active{ color:var(--ink); }
.nav-link.is-active span{ color:var(--red); }
.nav-link.is-active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:4px; height:2px;
  background:var(--red); box-shadow:0 0 10px var(--red);
}

.nav-right{ display:flex; align-items:center; gap:16px; }
.chip-live{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ok); border:1px solid rgba(46,230,160,.28); background:rgba(46,230,160,.06);
  padding:5px 12px; border-radius:4px; white-space:nowrap;
  animation:chip-pulse 2.5s infinite;
}
@keyframes chip-pulse{ 0%{ box-shadow:0 0 0 0 rgba(46,230,160,.4); } 100%{ box-shadow:0 0 0 8px rgba(46,230,160,0); } }
.chip-live i{
  width:6px; height:6px; border-radius:50%; background:var(--ok);
  box-shadow:0 0 0 0 rgba(46,230,160,.6); animation:pulse-dots 1.8s infinite;
}
@keyframes pulse-dots{ 0%,100%{ box-shadow:0 0 0 0 rgba(46,230,160,.4); } 50%{ box-shadow:0 0 0 6px rgba(46,230,160,0); } }

.nav-toggle{
  display:none; width:42px; height:38px; border:1px solid var(--line-2); border-radius:5px;
  align-items:center; justify-content:center; flex-direction:column; gap:6px;
  background:rgba(255,255,255,.02);
}
.nav-toggle span{ display:block; width:18px; height:1.5px; background:var(--ink-2); transition:transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:first-child{ transform:translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child{ transform:translateY(-4px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height:100vh;
  padding:calc(var(--nav-h) + clamp(40px,8vh,90px)) var(--pad) 90px;
  max-width:var(--max); margin:0 auto;
  display:flex; flex-direction:column; justify-content:center;
}

.hero-grid{
  display:grid; grid-template-columns:minmax(0,1.5fr) minmax(0,.75fr);
  gap:clamp(32px,6vw,80px); align-items:center;
}

.kicker{
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-2); margin-bottom:26px;
}
.kicker-bar{ width:28px; height:2px; background:var(--red); box-shadow:0 0 12px var(--red); }

.hero-name{
  font-size:clamp(3rem, 8vw, 5.8rem);
  font-weight:800; line-height:.92; letter-spacing:-.04em;
  margin-bottom:20px;
}
.hero-name-accent{
  color:transparent;
  background:linear-gradient(100deg, var(--red) 0%, #ff7b6d 55%, var(--red) 100%);
  -webkit-background-clip:text; background-clip:text;
}
.hero-name-mark{ color:var(--red); font-weight:500; animation:blink 1.2s steps(2,end) infinite; }

.hero-role{
  font-family:var(--mono); font-size:clamp(13px,1.6vw,15px); letter-spacing:.12em;
  text-transform:uppercase; color:var(--ink-2); margin-bottom:22px;
  display:flex; align-items:center; gap:8px; min-height:1.6em;
}
.prompt{ color:var(--red); }
.caret{
  display:inline-block; width:10px; height:1.05em; background:var(--red);
  animation:blink 1.1s steps(2,end) infinite; vertical-align:-2px;
}

.hero-desc{
  color:var(--ink-2); font-size:clamp(1rem,1.2vw,1.1rem); max-width:64ch;
  margin-bottom:34px; line-height:1.8;
}
.hero-desc strong{ color:var(--ink); font-weight:600; }

.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:34px; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  padding:12px 22px; border-radius:5px; border:1px solid var(--line-2);
  color:var(--ink); background:rgba(255,255,255,.02);
  transition:transform .18s var(--ease), background .2s, border-color .2s, color .2s, box-shadow .2s;
  will-change:transform;
}
.btn span{ transition:transform .2s var(--ease); }
.btn:hover{ transform:translate(-1px,-1px); }
.btn:hover span{ transform:translate(2px,-2px); }
.btn-primary{
  background:var(--red); border-color:var(--red); color:#0a0a0a; font-weight:700;
  box-shadow:0 0 0 0 rgba(255,51,51,0);
}
.btn-primary:hover{ background:var(--red-2); border-color:var(--red-2); box-shadow:6px 6px 0 rgba(255,51,51,.22); }
.btn-ghost{ color:var(--ink-2); }
.btn-ghost:hover{ border-color:var(--red); color:var(--ink); background:rgba(255,51,51,.08); box-shadow:6px 6px 0 rgba(255,51,51,.12); }

.hero-meta{ display:flex; flex-wrap:wrap; gap:10px 26px; font-family:var(--mono); font-size:12px; color:var(--muted); }
.hero-meta li{ display:flex; align-items:center; gap:10px; letter-spacing:.04em; }
.mi{ color:var(--red); opacity:.9; font-size:12px; }

/* portrait - refined framing and subtle highlights */
.hero-side{ display:flex; justify-content:flex-end; }
.portrait{ width:100%; max-width:340px; }

.portrait-frame{
  position:relative; border:1px solid var(--line-2); border-radius:8px; overflow:hidden;
  background:var(--panel); aspect-ratio:4/5;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.03) inset;
}
.portrait:hover .portrait-frame{ box-shadow:0 45px 85px -35px rgba(0,0,0,.92); }
.portrait-frame img{
  width:100%; height:100%; object-fit:cover; object-position:50% 18%;
  filter:grayscale(.55) contrast(1.08) brightness(.94);
  transform:scale(1.01); transition:filter .6s var(--ease), transform .8s var(--ease);
}
.portrait:hover .portrait-frame img{ filter:grayscale(0) contrast(1.02) brightness(1); transform:scale(1.045); }
.portrait-tint{
  position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(180deg, rgba(5,5,7,0) 48%, rgba(5,5,7,.58) 92%, rgba(5,5,7,.95) 100%),
    radial-gradient(140% 85% at 75% 0%, rgba(255,51,51,.18), transparent 58%);
  mix-blend-mode:screen;
}
.portrait-scan{
  position:absolute; inset:0; pointer-events:none; opacity:.55;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.06) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay;
}
.corner{ position:absolute; width:18px; height:18px; border:1.8px solid rgba(255,51,51,.95); z-index:4; }
.corner.tl{ top:12px; left:12px; border-right:0; border-bottom:0; }
.corner.tr{ top:12px; right:12px; border-left:0; border-bottom:0; }
.corner.bl{ bottom:12px; left:12px; border-right:0; border-top:0; }
.corner.br{ bottom:12px; right:12px; border-left:0; border-top:0; }

.portrait-rec,.portrait-ver{
  position:absolute; z-index:4; font-family:var(--mono); font-size:10px; letter-spacing:.14em;
  text-transform:uppercase; padding:4px 9px; border-radius:4px;
  background:rgba(5,5,7,.78); border:1px solid var(--line-2); color:var(--ink-2);
}
.portrait-rec{ top:16px; left:50%; transform:translateX(-50%); display:flex; align-items:center; gap:8px; color:#ffd9d9; }
.portrait-rec i{ width:6px; height:6px; border-radius:50%; background:var(--red); animation:blink 1.5s steps(2,end) infinite; }
.portrait-ver{ bottom:16px; right:18px; }

.portrait-meta{
  display:grid; grid-template-columns:1fr 1fr 1fr; gap:2px;
  margin-top:10px; border:1px solid var(--line); border-radius:6px; overflow:hidden;
  background:var(--line);
}
.portrait-meta div{ background:var(--panel); padding:10px 12px; }
.portrait-meta span{ display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); }
.portrait-meta b{ font-family:var(--mono); font-size:11px; font-weight:500; color:var(--ink); letter-spacing:.02em; }
.portrait-meta b.ok{ color:var(--ok); }

/* terminal - improved syntax highlighting */
.terminal{
  margin-top:clamp(40px,6vw,68px);
  border:1px solid var(--line); border-radius:8px; overflow:hidden;
  background:linear-gradient(180deg, rgba(12,12,18,.96), rgba(7,7,11,.96));
  box-shadow:0 40px 90px -45px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.03) inset;
}
.terminal-bar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:10px 16px; border-bottom:1px solid var(--line); background:rgba(255,255,255,.018);
  font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted);
}
.t-dots{ display:flex; gap:6px; }
.t-dots i{ width:9px; height:9px; border-radius:50%; background:#2a2a35; }
.t-dots i:first-child{ background:#3a2a30; }
.t-dots i:nth-child(2){ background:#3a352a; }
.t-dots i:last-child{ background:#1f3530; }
.t-title{ color:var(--ink-2); }
.t-badge{ color:var(--muted); }
.t-badge b{ color:var(--ok); font-weight:500; }

.terminal-body{ padding:16px 4px 16px 0; font-family:var(--mono); font-size:13px; line-height:1.5; overflow-x:auto; }
.t-line{ display:flex; gap:18px; padding:0 16px; white-space:pre; }
.t-line:hover{ background:rgba(255,255,255,.028); }
.t-ln{ color:#4a4a5a; user-select:none; min-width:16px; text-align:right; }
.t-code{ color:var(--ink-2); }
.t-p{ color:var(--red); }
.t-pipe{ color:#5a5a6e; }
.t-k{ color:#5fd8e6; font-weight:500; }
.t-s{ color:#ffc98a; }
.t-ok{ color:var(--ok); }
.t-arrow{ color:var(--red); }

.scroll-cue{
  position:absolute; left:50%; bottom:22px; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px;
  font-family:var(--mono); font-size:10px; letter-spacing:.3em; text-transform:uppercase; color:var(--muted);
}
.scroll-cue span{
  width:2px; height:40px; background:linear-gradient(180deg, var(--red), transparent);
  animation:cue 2.4s var(--ease) infinite;
}
@keyframes cue{ 0%{ transform:scaleY(.15); transform-origin:top; opacity:0; } 45%{ opacity:1; } 100%{ transform:scaleY(1); transform-origin:top; opacity:0; } }

/* ---------- ticker ---------- */
.ticker{
  overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.014); position:relative; z-index:1;
}
.ticker-track{
  display:flex; align-items:center; gap:22px; width:max-content; padding:14px 0;
  font-family:var(--mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--faint);
  animation:marquee 45s linear infinite;
}
.ticker-track b{ color:var(--red); opacity:.65; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section{
  position:relative; z-index:1;
  max-width:var(--max); margin:0 auto;
  padding:clamp(80px,10vw,140px) var(--pad);
  scroll-margin-top:calc(var(--nav-h) + 12px);
}
.section-head{ display:flex; align-items:flex-start; gap:22px; margin-bottom:clamp(40px,5vw,62px); }
.section-idx{
  font-family:var(--mono); font-size:12px; color:var(--red); letter-spacing:.12em;
  border:1px solid rgba(255,51,51,.4); background:rgba(255,51,51,.08);
  padding:5px 12px; border-radius:5px; margin-top:8px; flex-shrink:0;
  box-shadow:0 0 0 6px rgba(255,51,51,.2);
}
.section-tag{
  font-family:var(--mono); font-size:12px; letter-spacing:.15em; text-transform:uppercase;
  color:var(--red); margin-bottom:10px; opacity:.95;
}
.section-title{
  font-size:clamp(2rem,4vw,3.2rem); font-weight:800; letter-spacing:-.03em; line-height:1.05;
}
.section-sub{ color:var(--muted); font-size:1rem; margin-top:12px; max-width:60ch; }
.section-rule{ flex:1; height:2px; background:linear-gradient(90deg, var(--line-2), rgba(0,255,255,.12) 58%, transparent); margin-top:26px; }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(28px) scale(.993); }
.reveal.is-in{
  opacity:1; transform:none;
  transition:opacity .75s var(--ease), transform .75s var(--ease);
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1 !important; transform:none !important; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  html{ scroll-behavior:auto; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid{ display:grid; grid-template-columns:minmax(0,1.6fr) minmax(0,1fr); gap:clamp(36px,5vw,64px); align-items:start; }
.about-text p{ color:var(--ink-2); margin-bottom:20px; max-width:68ch; line-height:1.88; }
.about-text strong{ color:var(--ink); font-weight:600; }
.about-text em{ color:var(--red-2); font-style:normal; }

.callout{
  display:flex; gap:16px; padding:22px 24px; margin:28px 0;
  border:1px solid rgba(255,51,51,.28); border-left:3px solid var(--red);
  background:linear-gradient(90deg, rgba(255,51,51,.10), rgba(255,51,51,.02));
  border-radius:0 8px 8px 0;
}
.callout i{ color:var(--red); font-size:14px; margin-top:6px; }
.callout p{ margin:0; color:var(--ink-2); font-size:1rem; line-height:1.8; }

.about-panel{
  border:1px solid var(--line); border-radius:8px; overflow:hidden;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow:0 28px 65px -40px #000;
  position:sticky; top:calc(var(--nav-h) + 28px);
}
.panel-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:11px 16px; border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted);
}
.panel-dots{ display:flex; gap:6px; }
.panel-dots i{ width:7px; height:7px; border-radius:50%; background:#2f2f3c; }

.kv div{
  display:grid; grid-template-columns:80px 1fr; gap:14px; align-items:baseline;
  padding:11px 16px; border-bottom:1px solid rgba(255,255,255,.04);
  font-family:var(--mono); font-size:12px;
}
.kv div:last-child{ border-bottom:0; }
.kv dt{ color:var(--muted); letter-spacing:.08em; text-transform:uppercase; font-size:10.5px; }
.kv dd{ color:var(--ink); }
.kv-accent dd{ color:var(--red-2); font-weight:500; }
.kv-tight div{ grid-template-columns:72px 1fr; }
.panel-foot{
  padding:12px 16px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted);
  background:rgba(255,255,255,.014);
}

.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:2px;
  margin-top:clamp(40px,5vw,62px);
  border:1px solid var(--line); border-radius:8px; overflow:hidden; background:var(--line);
}
.stat{ background:var(--panel); padding:26px 22px; transition:background .25s, border-color .25s; }
.stat:hover{ background:var(--panel-2); }
.stat-num{
  font-family:var(--mono); font-size:clamp(1.8rem,3.2vw,2.6rem); font-weight:700; letter-spacing:-.025em;
  color:var(--ink); display:flex; align-items:flex-start; gap:2px; line-height:1;
}
.stat-num sup{ font-size:.5rem; color:var(--faint); margin-top:.3em; }
.stat-lbl{ font-family:var(--mono); font-size:11px; letter-spacing:.15em; text-transform:uppercase; color:var(--muted); margin-top:10px; }

/* ============================================================
   EXPERIENCE
   ============================================================ */
.timeline{ position:relative; display:grid; gap:26px; }
.timeline::before{
  content:""; position:absolute; left:18px; top:14px; bottom:14px; width:2px;
  background:linear-gradient(180deg, rgba(255,51,51,.65), rgba(255,51,51,.15) 65%, transparent);
}
.exp{ position:relative; padding-left:54px; }
.exp-node{
  position:absolute; left:0; top:28px; width:36px; height:36px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-2); border:1px solid rgba(255,51,51,.45); color:var(--red); font-size:12px;
  box-shadow:0 0 0 8px var(--bg);
}
.exp-card{
  border:1px solid var(--line); border-radius:8px; padding:28px 30px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s;
  overflow:hidden;
}
.exp-card::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(255,51,51,.08), transparent 60%);
}
.exp:hover .exp-card::before{ opacity:1; }
.exp:hover .exp-card{ border-color:rgba(255,51,51,.42); transform:translateY(-4px); box-shadow:0 32px 70px -38px rgba(255,51,51,.38); }
.exp-top{ display:flex; flex-wrap:wrap; align-items:baseline; gap:12px 18px; margin-bottom:8px; }
.exp-top h3{ font-size:1.22rem; font-weight:700; letter-spacing:-.02em; }
.exp-date{
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--red-2); border:1px solid rgba(255,51,51,.32); background:rgba(255,51,51,.08);
  padding:5px 12px; border-radius:5px; white-space:nowrap;
}
.exp-org{ color:var(--muted); font-size:1rem; margin-bottom:16px; }
.exp-org strong{ color:var(--ink-2); font-weight:600; }
.sep{ color:#5a5a6e; margin:0 6px; }
.exp-lead{ color:var(--ink-2); font-size:1.04rem; margin-bottom:16px; }
.exp-list{ display:grid; gap:10px; margin-bottom:18px; }
.exp-list li{ position:relative; padding-left:22px; color:var(--ink-2); font-size:1rem; line-height:1.75; }
.exp-list li::before{ content:"▸"; position:absolute; left:0; color:var(--red); font-size:11px; top:6px; }
.exp-list strong{ color:var(--ink); font-weight:600; }

/* tags */
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tags li{
  font-family:var(--mono); font-size:11px; letter-spacing:.05em; color:var(--ink-2);
  border:1px solid var(--line-2); background:rgba(255,255,255,.03);
  padding:4px 10px; border-radius:4px; transition:border-color .2s, color .2s, background .2s;
}
.exp-card:hover .tags li, .skill-card:hover .tags li, .project:hover .tags li{ border-color:rgba(255,51,51,.32); }
.skill-card:hover .tags li{ color:var(--ink); }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px; }
.skill-card{
  position:relative; border:1px solid var(--line); border-radius:8px; padding:24px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s;
  overflow:hidden;
}
.skill-card::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .35s;
  background:radial-gradient(380px circle at var(--mx,50%) var(--my,0%), rgba(255,51,51,.07), transparent 65%);
}
.skill-card:hover::before{ opacity:1; }
.skill-card:hover{ border-color:rgba(255,51,51,.38); transform:translateY(-5px); box-shadow:0 32px 70px -36px rgba(255,51,51,.38); }
.skill-head{ display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.skill-id{ font-family:var(--mono); font-size:11px; color:var(--red); letter-spacing:.08em; }
.skill-head h3{ font-size:1.04rem; font-weight:600; letter-spacing:-.01em; flex:1; }
.skill-head i{ color:var(--faint); font-size:14px; transition:color .3s; }
.skill-card:hover .skill-head i{ color:var(--red); }

/* ============================================================
   PROJECTS
   ============================================================ */
.filters{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:28px; }
.filter{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); border:1px solid var(--line-2); border-radius:5px; padding:8px 14px;
  background:rgba(255,255,255,.018); transition:all .22s;
}
.filter span{ font-size:10px; color:var(--faint); }
.filter:hover{ color:var(--ink); border-color:#4a4a5a; }
.filter.is-active{ color:#0a0a0a; background:var(--red); border-color:var(--red); font-weight:700; }
.filter.is-active span{ color:rgba(10,10,10,.5); }

.projects{ display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:16px; }
.project{
  position:relative; display:flex; flex-direction:column;
  border:1px solid var(--line); border-radius:8px; padding:24px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s, opacity .35s;
  overflow:hidden;
}
.project::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .35s;
  background:radial-gradient(460px circle at var(--mx,50%) var(--my,0%), rgba(255,51,51,.12), transparent 65%);
}
.project::after{
  content:""; position:absolute; left:0; top:0; height:2px; width:0; background:var(--red);
  transition:width .55s var(--ease); box-shadow:0 0 14px var(--red);
}
.project:hover::before{ opacity:1; }
.project:hover::after{ width:100%; }
.project:hover{ border-color:rgba(255,51,51,.42); transform:translateY(-6px); box-shadow:0 36px 70px -38px rgba(255,51,51,.42); }

.project-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.project-idx{ font-family:var(--mono); font-size:11px; color:var(--faint); letter-spacing:.16em; }
.badge{
  font-family:var(--mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  padding:5px 10px; border-radius:4px; border:1px solid var(--line-2); color:var(--muted);
  background:rgba(255,255,255,.02);
}
.badge-live{ color:var(--ok); border-color:rgba(46,230,160,.32); background:rgba(46,230,160,.08); }
.badge-you{ color:var(--cyan); border-color:rgba(0,255,255,.32); background:rgba(0,255,255,.07); }
.project h3{ font-size:1.12rem; font-weight:700; letter-spacing:-.015em; margin-bottom:12px; }
.project p{ color:var(--muted); font-size:.92rem; line-height:1.75; margin-bottom:16px; flex:1; }

.metrics{
  display:flex; flex-wrap:wrap; gap:8px 18px; margin-bottom:16px;
  font-family:var(--mono); font-size:11px; letter-spacing:.07em; color:var(--muted); text-transform:uppercase;
}
.metrics b{ color:var(--ink); font-weight:700; margin-right:6px; }
.project .tags{ margin-bottom:18px; }
.project-links{ display:flex; gap:16px; }
.project-links a{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:12px; letter-spacing:.08em; color:var(--muted);
  transition:color .22s, gap .22s;
}
.project-links a:hover{ color:var(--red); gap:12px; }
.project-links i{ font-size:12px; }

.project.is-hidden{ display:none; }

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs{ display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:12px; }
.cert{
  position:relative; display:grid; grid-template-columns:auto 1fr auto; grid-template-rows:auto auto;
  gap:3px 12px; align-items:center; text-align:left;
  border:1px solid var(--line); border-radius:6px; padding:16px 18px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .28s, transform .28s var(--ease), background .28s;
}
.cert-idx{ grid-row:1 / span 2; font-family:var(--mono); font-size:11px; color:var(--faint); transition:color .28s; }
.cert-name{ font-size:0.94rem; font-weight:600; letter-spacing:-.008em; color:var(--ink); }
.cert-sub{ font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.cert-arrow{ grid-row:1 / span 2; color:var(--faint); font-size:14px; transition:color .28s, transform .28s; }
.cert:hover{ border-color:rgba(255,51,51,.38); transform:translateY(-3px); }
.cert:hover .cert-idx,.cert:hover .cert-arrow{ color:var(--red); }
.cert:hover .cert-arrow{ transform:translate(2px,-2px); }

/* ============================================================
   BLOG
   ============================================================ */
.posts{ display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); gap:16px; }
.post{
  display:flex; flex-direction:column;
  border:1px solid var(--line); border-radius:8px; padding:24px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s;
}
.post:hover{ border-color:rgba(255,51,51,.36); transform:translateY(-4px); box-shadow:0 32px 70px -38px rgba(255,51,51,.36); }
.post-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.post-cat{
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--red-2); border:1px solid rgba(255,51,51,.28); background:rgba(255,51,51,.08);
  padding:5px 10px; border-radius:4px;
}
.post-date{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; color:var(--faint); }
.post h3{ font-size:1.06rem; font-weight:650; line-height:1.35; letter-spacing:-.01em; margin-bottom:12px; }
.post p{ color:var(--muted); font-size:0.94rem; line-height:1.78; margin-bottom:18px; flex:1; }
.post-more{
  align-self:flex-start; display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:12px; letter-spacing:.08em; color:var(--ink-2);
  border-bottom:1px solid transparent; padding-bottom:2px; transition:color .2s, gap .2s, border-color .2s;
}
.post-more:hover{ color:var(--red); gap:14px; border-bottom-color:rgba(255,51,51,.38); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px; margin-bottom:28px; }
.contact{
  display:grid; grid-template-columns:1fr auto; gap:6px; align-items:center;
  border:1px solid var(--line); border-radius:8px; padding:22px 24px;
  background:linear-gradient(180deg, var(--panel-2), var(--panel));
  transition:border-color .28s, transform .28s var(--ease), background .28s;
}
.contact:hover{ border-color:rgba(255,51,51,.4); transform:translateY(-4px); }
.contact-k{ font-family:var(--mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--muted); }
.contact-v{ grid-column:1 / span 2; font-family:var(--mono); font-size:0.94rem; color:var(--ink); word-break:break-all; }
.contact-arrow{ grid-row:1; grid-column:2; color:var(--faint); transition:color .28s, transform .28s; }
.contact:hover .contact-arrow{ color:var(--red); transform:translate(2px,-2px); }

.contact-band{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:20px;
  border:1px solid rgba(255,51,51,.28); border-radius:8px; padding:28px 30px;
  background:linear-gradient(100deg, rgba(255,51,51,.10), rgba(255,51,51,.02) 65%, transparent);
}
.contact-cta{ font-size:clamp(1.05rem,1.8vw,1.35rem); font-weight:600; letter-spacing:-.02em; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ position:relative; z-index:1; border-top:1px solid var(--line); background:rgba(3,3,5,.4); }
.footer-inner{
  max-width:var(--max); margin:0 auto; padding:26px var(--pad);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:14px;
  font-family:var(--mono); font-size:11px; letter-spacing:.04em;
}
.footer-dim{ color:var(--muted); }
.footer .brand-mark{ font-size:12px; padding:3px 7px; }

/* ============================================================
   TELEMETRY HUD
   ============================================================ */
.hud{
  position:fixed; left:50%; bottom:18px; transform:translateX(-50%);
  z-index:1000; display:flex; align-items:center; gap:12px;
  padding:8px 16px; border-radius:6px;
  background:rgba(8,8,14,.88); border:1px solid var(--line);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  box-shadow:0 20px 45px -25px #000, 0 0 0 1px rgba(255,255,255,.02);
  font-family:var(--mono); font-size:10.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-2);
  white-space:nowrap; max-width:calc(100vw - 28px); overflow:hidden;
}
.hud-item{ display:inline-flex; align-items:center; gap:8px; }
.hud-item b{ color:#8c8c9e; font-weight:500; letter-spacing:1em; }
.hud-dot{ width:6px; height:6px; border-radius:50%; background:var(--ok); box-shadow:0 0 8px var(--ok); }
.hud-sep{ width:2px; height:14px; background:var(--line-2); }

.to-top{
  position:fixed; right:22px; bottom:18px; z-index:1000;
  width:42px; height:42px; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line-2); border-radius:6px; color:var(--ink-2); font-size:14px;
  background:rgba(8,8,14,.9); backdrop-filter:blur(12px);
  opacity:0; transform:translateY(14px); pointer-events:none;
  transition:opacity .3s, transform .3s var(--ease), border-color .28s, color .28s;
  box-shadow:0 8px 20px -6px rgba(0,0,0,.35);
}
.to-top.is-on{ opacity:1; transform:none; pointer-events:auto; }
.to-top:hover{ border-color:var(--red); color:var(--red); }

/* ============================================================
   MODALS
   ============================================================ */
.modal{
  position:fixed; inset:0; z-index:2000; display:none;
  align-items:center; justify-content:center; padding:24px;
  background:rgba(3,3,5,.92); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
}
.modal.is-open{ display:flex; animation:fade .22s var(--ease); }
@keyframes fade{ from{ opacity:0; } }

.modal-card{
  width:100%; max-width:900px; max-height:92vh; overflow-y:auto;
  border:1px solid var(--line-2); border-radius:10px;
  background:linear-gradient(180deg, #0e0e15, #08080d);
  box-shadow:0 45px 120px -45px #000, 0 0 0 1px rgba(255,255,255,.03) inset;
}
.modal-card-post{ max-width:760px; }
.modal-head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:20px;
  padding:24px 26px 16px; border-bottom:1px solid var(--line);
  position:sticky; top:0; background:rgba(12,12,20,.98); backdrop-filter:blur(10px); z-index:2;
}
.modal-kicker{ font-family:var(--mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--red); margin-bottom:8px; }
.modal-head h3{ font-size:1.32rem; font-weight:700; letter-spacing:-.02em; }
.modal-sub{ color:var(--muted); font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; margin-top:6px; }
.modal-x{
  width:34px; height:34px; flex-shrink:0; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line-2); border-radius:5px; color:var(--ink-2); font-size:14px;
  transition:all .22s;
}
.modal-x:hover{ border-color:var(--red); color:var(--red); transform:rotate(90deg); }
.modal-body{ padding:22px 26px 26px; }
.cert-frame{
  border:1px solid var(--line); border-radius:7px; overflow:hidden; background:#0a0a0e;
  margin-bottom:20px; min-height:340px;
}
.cert-frame embed{ width:100%; height:480px; display:block; border:0; }
.modal-actions{ display:flex; gap:12px; margin-top:20px; flex-wrap:wrap; }
.modal-actions .btn{ flex:1; justify-content:center; min-width:140px; }
.modal-foot{ padding:0 26px 26px; }

.post-body p{ color:var(--ink-2); margin-bottom:18px; line-height:1.92; font-size:1rem; }
.post-body h4{
  color:var(--ink); font-size:1.08rem; font-weight:700; margin:28px 0 14px;
  padding-left:14px; border-left:3px solid var(--red);
  display:flex; align-items:center; gap:11px;
}
.post-body h4 i{ color:var(--red); font-size:14px; }
.post-body ul{ margin:0 0 18px 0; display:grid; gap:10px; }
.post-body li{ position:relative; padding-left:24px; color:var(--ink-2); font-size:1.02rem; line-height:1.8; }
.post-body li::before{ content:"▸"; position:absolute; left:0; top:8px; color:var(--red); font-size:11px; }
.post-body strong{ color:var(--ink); font-weight:600; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1120px){
  .terminal-body{ overflow-x:auto; }
  .t-line{ white-space:pre-wrap; overflow-wrap:break-word; }
  .t-code{ min-width:0; }
}

@media (max-width:1080px){
  .nav-link span{ display:none; }
  .nav-links{ gap:3px; }
}

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-side{ order:-1; justify-content:flex-start; }
  .portrait{ max-width:280px; }
  .about-grid{ grid-template-columns:1fr; }
  .about-panel{ position:static; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .chip-live{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; top:var(--nav-h); left:0; right:0;
    flex-direction:column; align-items:stretch; gap:0;
    background:rgba(6,6,10,.98); border-bottom:1px solid var(--line);
    padding:10px 14px 18px; transform:translateY(-14px); opacity:0; pointer-events:none;
    transition:transform .28s var(--ease), opacity .22s; z-index:1100;
  }
  .nav-links.is-open{ transform:none; opacity:1; pointer-events:auto; }
  .nav-link{ padding:14px 12px; font-size:14px; border-bottom:1px solid rgba(255,255,255,.04); }
  .nav-link span{ display:inline; }
  .nav-link.is-active::after{ display:none; }
}

@media (max-width:768px){
  .section-head{ gap:14px; }
  .section-rule{ display:none; }
  .terminal-body{ font-size:11.5px; }
  .hud{ font-size:9.5px; gap:8px; padding:6px 12px; bottom:12px; }
  .hud-item:nth-child(n+7){ display:none; }
  .to-top{ bottom:62px; }
  .hero{ min-height:auto; padding-top:calc(var(--nav-h) + 42px); }
  .scroll-cue{ display:none; }
  .post-body h4{ font-size:1rem; }
}

@media (max-width:560px){
  .hero-name{ font-size:clamp(2.6rem,11vw,3.4rem); }
  .portrait{ max-width:min(100%, 320px); }
  .stats{ grid-template-columns:1fr 1fr; }
  .project{ padding:20px; }
  .filters{ gap:8px; }
  .filter{ font-size:10px; padding:6px 10px; }
  .hud-item:nth-child(n+5){ display:none; }
  .cert-frame embed{ height:320px; }
  .contact-band{ padding:22px; }
}

/* keep the HUD out of the way on short screens */
@media (max-height:620px){ .hud{ display:none; } }

/* ============================================================
   UTILITY
   ============================================================ */
[data-reveal]:not(.is-in){ transition:opacity .75s var(--ease), transform .75s var(--ease); }