/* =========================================================================
   Abuthahir KSM — Portfolio  ·  "Mission Control"
   Telemetry / ops-console themed single-page site.
   Deep-space + cyan/green palette. Self-contained, no build step.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:        #0a0e14;   /* deep space */
  --bg-2:      #0c1219;
  --panel:     #121821;
  --panel-2:   #161e2a;
  --panel-hi:  #1b2534;
  --line:      #1e2733;
  --line-hi:   #29394d;

  --text:      #e2e8f0;
  --text-dim:  #8ca0b8;
  --text-mute: #5c7089;

  --accent:    #22d3ee;   /* cyan */
  --accent-2:  #38bdf8;
  --ok:        #34d399;   /* operational green */
  --warn:      #fbbf24;   /* amber */
  --err:       #f87171;
  --purple:    #a78bfa;

  --accent-glow: rgba(34,211,238,.35);
  --ok-glow:     rgba(52,211,153,.4);

  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Fira Code", Menlo, Consolas, monospace;
  --font-ui:   "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --radius:    12px;
  --radius-sm: 8px;
  --maxw:      1180px;
  --topbar-h:  46px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 18px); }

body {
  font-family: var(--font-ui);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,.08), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(56,189,248,.06), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-size: 15px;
}

::selection { background: rgba(34,211,238,.28); color: #fff; }

a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #24313f; border-radius: 6px; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: #30455a; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Animated background grid overlay */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(34,211,238,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 30%, transparent 90%);
  animation: gridpan 40s linear infinite;
}
@keyframes gridpan { to { background-position: 460px 460px; } }

.scanline {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(0,0,0,.12) 3px 4px);
  mix-blend-mode: overlay;
}

/* =========================================================================
   Top status bar
   ========================================================================= */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 20px;
  background: rgba(10,14,20,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
  font-family: var(--font-mono); font-size: 12.5px;
}
.topbar .status {
  display: flex; align-items: center; gap: 8px; color: var(--ok); font-weight: 600;
  white-space: nowrap;
}
.topbar .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 0 0 var(--ok-glow); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--ok-glow); }
  70%  { box-shadow: 0 0 0 7px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}
.topbar .sep { color: var(--line-hi); }
.topbar nav { margin-left: auto; display: flex; gap: 4px; }
.topbar nav a {
  color: var(--text-dim); padding: 6px 12px; border-radius: 6px;
  transition: color .2s, background .2s; letter-spacing: .3px;
}
.topbar nav a:hover, .topbar nav a.active { color: var(--accent); background: rgba(34,211,238,.08); }
.topbar .clock { color: var(--text-mute); }
@media (max-width: 780px) { .topbar nav { display: none; } }

/* =========================================================================
   Section scaffolding
   ========================================================================= */
section { position: relative; z-index: 2; padding: 84px 0; }
.section-tag {
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.section-tag::before { content: ""; width: 22px; height: 1px; background: var(--accent); display: inline-block; }
.section-title {
  font-size: 30px; font-weight: 700; color: #fff; letter-spacing: -.4px; margin-bottom: 6px;
}
.section-sub { color: var(--text-dim); max-width: 640px; margin-bottom: 34px; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* Panel base (the "monitoring card" look) */
.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,.5), transparent);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
  letter-spacing: 1px; text-transform: uppercase;
}
.panel-head .badge {
  font-size: 10px; padding: 2px 8px; border-radius: 20px; letter-spacing: .5px;
  border: 1px solid; display: inline-flex; align-items: center; gap: 5px;
}
.badge.live { color: var(--ok); border-color: rgba(52,211,153,.4); background: rgba(52,211,153,.08); }
.badge.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.badge.stable { color: var(--accent); border-color: rgba(34,211,238,.4); background: rgba(34,211,238,.08); }
.panel-body { padding: 18px 16px; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero { padding: 70px 0 60px; min-height: calc(100vh - var(--topbar-h)); display: flex; align-items: center; }
.hero-inner { width: 100%; }
.hero .eyebrow {
  font-family: var(--font-mono); color: var(--accent); font-size: 13px;
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.hero .eyebrow .chip {
  border: 1px solid rgba(52,211,153,.4); color: var(--ok);
  border-radius: 20px; padding: 3px 10px; font-size: 11px; display: inline-flex; align-items: center; gap: 6px;
}
.hero .eyebrow .chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.hero h1 {
  font-size: clamp(38px, 6vw, 72px); font-weight: 800; line-height: 1.02;
  letter-spacing: -1.5px; color: #fff; margin-bottom: 12px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2) 40%, var(--purple));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .role {
  font-family: var(--font-mono); font-size: clamp(16px, 2.4vw, 24px); color: var(--text);
  margin-bottom: 20px; min-height: 1.4em;
}
.hero .role .typed { color: var(--accent); }
.hero .role .caret { color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero .lede { color: var(--text-dim); max-width: 620px; font-size: 16px; margin-bottom: 30px; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.btn {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .3px;
  padding: 12px 20px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line-hi);
  display: inline-flex; align-items: center; gap: 9px; transition: all .2s; background: transparent; color: var(--text);
}
.btn.primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #05121a; border-color: transparent; font-weight: 600; }
.btn.primary:hover { box-shadow: 0 0 24px var(--accent-glow); transform: translateY(-2px); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* Uptime readout */
.uptime {
  display: inline-flex; align-items: baseline; gap: 12px; font-family: var(--font-mono);
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: rgba(18,24,33,.6); margin-bottom: 34px;
}
.uptime .lbl { font-size: 11px; color: var(--text-mute); letter-spacing: 1px; text-transform: uppercase; }
.uptime .val { font-size: 20px; color: var(--ok); font-weight: 600; letter-spacing: 1px; text-shadow: 0 0 16px var(--ok-glow); }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kpi {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px; position: relative; overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.kpi:hover { border-color: var(--line-hi); transform: translateY(-3px); }
.kpi::after {
  content: ""; position: absolute; right: -20px; bottom: -20px; width: 90px; height: 90px;
  background: radial-gradient(circle, rgba(34,211,238,.12), transparent 70%);
}
.kpi .num {
  font-family: var(--font-mono); font-size: 34px; font-weight: 700; color: #fff;
  line-height: 1; letter-spacing: -1px;
}
.kpi .num .unit { color: var(--accent); font-size: 22px; }
.kpi .lbl { color: var(--text-dim); font-size: 12px; margin-top: 8px; letter-spacing: .5px; text-transform: uppercase; }
.kpi .spark { display: flex; gap: 2px; align-items: flex-end; height: 22px; margin-top: 12px; }
.kpi .spark i { flex: 1; background: linear-gradient(180deg, var(--accent), transparent); border-radius: 2px; opacity: .6; }

@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .kpis { grid-template-columns: 1fr 1fr; } .kpi .num { font-size: 28px; } }

/* =========================================================================
   TELEMETRY (skills)
   ========================================================================= */
.telemetry-grid { display: grid; grid-template-columns: 1.1fr 1.3fr; gap: 20px; }
@media (max-width: 900px) { .telemetry-grid { grid-template-columns: 1fr; } }

/* Radar */
.radar-wrap { display: flex; flex-direction: column; align-items: center; padding: 8px 8px 18px; }
.radar-wrap svg { width: 100%; max-width: 360px; height: auto; }
.radar-grid { fill: none; stroke: var(--line); stroke-width: 1; }
.radar-axis { stroke: var(--line); stroke-width: 1; }
.radar-shape { fill: rgba(34,211,238,.14); stroke: var(--accent); stroke-width: 2;
  filter: drop-shadow(0 0 6px var(--accent-glow));
  stroke-dasharray: 900; stroke-dashoffset: 900; }
.radar-shape.draw { transition: stroke-dashoffset 1.4s ease .2s, fill 1.4s ease .6s; stroke-dashoffset: 0; }
.radar-dot { fill: var(--accent); }
.radar-label { fill: var(--text-dim); font-family: var(--font-mono); font-size: 10px; }

/* Signal bars */
.bars { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: grid; grid-template-columns: 150px 1fr 42px; align-items: center; gap: 12px; }
.bar-row .name { font-family: var(--font-mono); font-size: 13px; color: var(--text); }
.bar-row .track { height: 8px; background: var(--panel-hi); border-radius: 6px; overflow: hidden; position: relative; }
.bar-row .fill {
  height: 100%; width: 0; border-radius: 6px;
  background: linear-gradient(90deg, var(--accent), var(--ok));
  box-shadow: 0 0 10px var(--accent-glow); transition: width 1.2s cubic-bezier(.2,.8,.2,1);
}
.bar-row .pct { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); text-align: right; }
@media (max-width: 460px) { .bar-row { grid-template-columns: 110px 1fr 38px; } .bar-row .name { font-size: 11px; } }

/* Gauge dials row */
.gauges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.gauge { text-align: center; }
.gauge svg { width: 100%; max-width: 120px; }
.gauge .g-track { fill: none; stroke: var(--panel-hi); stroke-width: 9; }
.gauge .g-fill { fill: none; stroke: var(--accent); stroke-width: 9; stroke-linecap: round;
  filter: drop-shadow(0 0 5px var(--accent-glow)); transition: stroke-dashoffset 1.3s ease; }
.gauge .g-val { font-family: var(--font-mono); font-weight: 700; fill: #fff; font-size: 15px; }
.gauge .g-lbl { color: var(--text-dim); font-size: 11px; font-family: var(--font-mono); margin-top: 4px; letter-spacing: .5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip-t {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--accent);
  border: 1px solid rgba(34,211,238,.25); background: rgba(34,211,238,.06);
  padding: 4px 10px; border-radius: 20px;
}

/* =========================================================================
   DEPLOYMENT HISTORY (timeline)
   ========================================================================= */
.timeline { position: relative; margin-left: 6px; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--line) 90%);
}
.tl { position: relative; margin-bottom: 26px; }
.tl::before {
  content: ""; position: absolute; left: -37px; top: 18px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--accent);
}
.tl.now::before { background: var(--ok); border-color: var(--ok); box-shadow: 0 0 0 5px var(--ok-glow); animation: pulse 2s infinite; }
.tl-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
  transition: border-color .25s, transform .25s;
}
.tl-card:hover { border-color: var(--line-hi); transform: translateX(3px); }
.tl-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tl-role { font-size: 17px; font-weight: 700; color: #fff; }
.tl-ver { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }
.tl-co { font-family: var(--font-mono); font-size: 13px; color: var(--ok); margin: 2px 0 4px; }
.tl-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); margin-bottom: 10px; }
.tl-desc { color: var(--text-dim); font-size: 14px; }
.tl-metrics { display: flex; gap: 22px; margin-top: 14px; flex-wrap: wrap; }
.tl-metrics .m { display: flex; flex-direction: column; }
.tl-metrics .m .mv { font-family: var(--font-mono); font-size: 18px; font-weight: 700; color: var(--accent); }
.tl-metrics .m .ml { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: .5px; }

/* =========================================================================
   ACTIVE SERVICES (projects)
   ========================================================================= */
.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.svc {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  transition: border-color .25s, transform .25s, box-shadow .25s; position: relative; overflow: hidden;
}
.svc::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity .25s; }
.svc:hover { border-color: var(--line-hi); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,.4); }
.svc:hover::before { opacity: 1; }
.svc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.svc-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.25); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 18px; }
.svc-health { font-family: var(--font-mono); font-size: 11px; color: var(--ok); display: flex; align-items: center; gap: 6px; }
.svc-health::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.svc h3 { font-size: 17px; color: #fff; font-weight: 700; margin-bottom: 2px; }
.svc .svc-sub { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); margin-bottom: 10px; }
.svc p { color: var(--text-dim); font-size: 13.5px; margin-bottom: 14px; }
.svc-stats { display: flex; gap: 18px; margin-bottom: 14px; }
.svc-stats .s { font-family: var(--font-mono); }
.svc-stats .s .sv { color: var(--accent); font-size: 15px; font-weight: 600; }
.svc-stats .s .sl { color: var(--text-mute); font-size: 10px; text-transform: uppercase; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.svc-tag { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); background: var(--panel-hi); border: 1px solid var(--line); padding: 2px 8px; border-radius: 6px; }
.svc-links { display: flex; gap: 16px; }
.svc-links a { font-family: var(--font-mono); font-size: 12px; color: var(--accent); display: inline-flex; align-items: center; gap: 5px; }
.svc-links a:hover { text-decoration: underline; }

/* =========================================================================
   ARCHITECTURE
   ========================================================================= */
.arch { }
.arch-diagram { padding: 22px; }
.arch-layer { margin-bottom: 18px; }
.arch-layer .l-tag { font-family: var(--font-mono); font-size: 11px; color: var(--text-mute); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
.arch-nodes { display: flex; gap: 14px; flex-wrap: wrap; }
.node {
  flex: 1; min-width: 130px; text-align: center;
  background: var(--panel-hi); border: 1px solid var(--line-hi); border-radius: 10px;
  padding: 14px 10px; position: relative; transition: border-color .3s, box-shadow .3s;
}
.node.lit { border-color: var(--accent); box-shadow: 0 0 18px var(--accent-glow); }
.node .n-t { font-weight: 700; color: #fff; font-size: 13px; margin-bottom: 3px; }
.node .n-d { font-family: var(--font-mono); font-size: 11px; color: var(--text-mute); }
.arch-flow { text-align: center; color: var(--line-hi); font-size: 18px; margin: 4px 0; }
.arch-flow.lit { color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 8px; }
.principles .p { display: flex; gap: 10px; align-items: flex-start; color: var(--text-dim); font-size: 13.5px; }
.principles .p::before { content: "▹"; color: var(--ok); }
@media (max-width: 620px) { .principles { grid-template-columns: 1fr; } }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact { }
.contact-panel { padding: 26px; }
.term-line { font-family: var(--font-mono); font-size: 13px; margin-bottom: 6px; }
.term-line .p { color: var(--ok); } .term-line .c { color: #fff; } .term-line .o { color: var(--text-dim); }
.contact-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 20px; }
.contact-links a {
  display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 14px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-hi);
  transition: border-color .2s, transform .2s, background .2s;
}
.contact-links a:hover { border-color: var(--accent); transform: translateY(-2px); background: rgba(34,211,238,.06); }
.contact-links a .ci { width: 20px; color: var(--accent); }
.contact-links a .ck { color: var(--text-mute); width: 78px; }
.contact-links a .cv { color: var(--text); }
@media (max-width: 620px) { .contact-links { grid-template-columns: 1fr; } }

/* =========================================================================
   FOOTER
   ========================================================================= */
footer {
  position: relative; z-index: 2; border-top: 1px solid var(--line);
  padding: 24px; text-align: center; font-family: var(--font-mono);
  font-size: 12px; color: var(--text-mute);
}
footer .ok { color: var(--ok); }

/* =========================================================================
   Reduced motion
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}