/* =========================================================
   SPIDER X — Resume Mini App
   Theme: technical blueprint schematic
   Tokens:
     --ink     #0A0F1C  background
     --panel   #111A2E  card surface
     --line    #2A3F5F  hairline / grid
     --cyan    #7FD4E8  primary accent (structure, links)
     --paper   #EAF2F7  primary text
     --amber   #FF9248  single warm signal accent (cta/signature)
   ========================================================= */

:root {
  --ink: #0A0F1C;
  --panel: #111A2E;
  --panel-2: #0D1525;
  --line: #2A3F5F;
  --line-soft: #1B2A42;
  --cyan: #7FD4E8;
  --paper: #EAF2F7;
  --paper-dim: #8FA3BD;
  --amber: #FF9248;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Vazirmatn', 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --container: 560px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

body {
  padding-bottom: 28px;
  overflow-x: hidden;
}

.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

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

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  padding: 18px 20px 28px;
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
  overflow: hidden;
}

.grid-bg {
  position: absolute;
  inset: -40px;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 25%, black 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 25%, black 30%, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
}

.hero-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.eyebrow {
  font-size: 11px;
  color: var(--cyan);
  text-transform: uppercase;
}

.lang-toggle {
  font-size: 11px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.lang-toggle:hover, .lang-toggle:focus-visible { border-color: var(--cyan); color: var(--cyan); }

.web-stage {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  margin: 6px auto 4px;
}

.web-svg { width: 100%; height: 100%; }

.web-svg line {
  stroke: var(--line);
  stroke-width: 1;
  fill: none;
  transition: stroke .3s;
}
.web-svg line.drawn { stroke: var(--cyan); opacity: 0.55; }

.web-svg circle.node {
  fill: var(--panel);
  stroke: var(--line);
  stroke-width: 1.2;
  cursor: pointer;
  transition: stroke .2s, fill .2s;
}
.web-svg circle.node:hover, .web-svg circle.node:focus-visible { stroke: var(--cyan); fill: #15233a; }

.web-svg text.node-label {
  fill: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 7px;
  pointer-events: none;
}

.hub {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 58px; height: 58px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #1a2c47, var(--panel-2));
  border: 1.5px solid var(--amber);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 0 rgba(255,146,72,.45);
  animation: pulse 2.6s ease-out infinite;
}
.hub-x { color: var(--amber); font-size: 15px; font-weight: 600; }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,146,72,.35); }
  70%  { box-shadow: 0 0 0 16px rgba(255,146,72,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,146,72,0); }
}

.wordmark {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 8px 0 4px;
  background: linear-gradient(180deg, var(--paper), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 13px;
  color: var(--paper-dim);
  max-width: 420px;
  margin: 0 auto 12px;
  line-height: 1.7;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 11px;
  color: var(--cyan);
}
.hero-meta .dot { color: var(--line); }

/* ---------------- Panels ---------------- */

.panel {
  max-width: var(--container);
  margin: 14px auto;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}

/* blueprint corner ticks */
.panel::before, .panel::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px;
  border: 1px solid var(--cyan);
  opacity: .5;
}
.panel::before { top: -1px; inset-inline-start: -1px; border-width: 1px 0 0 1px; }
.panel::after { bottom: -1px; inset-inline-end: -1px; border-width: 0 1px 1px 0; }

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.panel-code {
  font-size: 11px;
  color: var(--amber);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 6px;
}

.panel-head h2 {
  font-size: 15px;
  margin: 0;
  font-weight: 600;
  color: var(--paper);
}

.about-text {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--paper-dim);
  margin: 0;
}

/* ---------------- Categories ---------------- */

.categories {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.category-panel {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s ease;
}
.category-panel.in-view { opacity: 1; transform: translateY(0); }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--paper);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 11px;
  white-space: nowrap;
  transition: border-color .2s, color .2s;
}
.chip:hover { border-color: var(--cyan); color: var(--cyan); }

.titles-panel .chip {
  border-color: var(--line);
  color: var(--amber);
}
.titles-panel .chip:hover { border-color: var(--amber); }

/* ---------------- Contact ---------------- */

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 9px 4px;
  border-bottom: 1px dashed var(--line-soft);
  transition: color .2s;
}
.contact-row:last-child { border-bottom: none; }
.contact-row:hover { color: var(--cyan); }
.contact-row .prompt { color: var(--amber); }
.contact-row .arrow { margin-inline-start: auto; color: var(--paper-dim); }

/* ---------------- Footer ---------------- */

.footer {
  text-align: center;
  font-size: 10.5px;
  color: var(--line);
  margin-top: 24px;
}

/* ---------------- Reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  .hub { animation: none; }
  .category-panel { transition: none; opacity: 1; transform: none; }
  .web-svg line { transition: none; }
}

/* ---------------- Focus ---------------- */

a:focus-visible, button:focus-visible, .chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------------- Small screens ---------------- */

@media (max-width: 360px) {
  .wordmark { font-size: 26px; }
  .panel { padding: 14px; }
}