/* =====================================================================
   Portfolio styles — plain CSS with variables. Tweak the tokens below.
   ===================================================================== */

:root {
  --bg: #0b2e24;
  --bg-deep: #071a14;
  --grid: rgba(190, 240, 210, 0.07);
  --grid-strong: rgba(190, 240, 210, 0.13);

  --panel: #0a1712;
  --panel-2: #0f1f19;
  --line: rgba(150, 210, 180, 0.16);
  --line-strong: rgba(150, 210, 180, 0.32);

  --paper: #ece7da;
  --paper-2: #dfd9c9;
  --ink: #101a15;
  --ink-soft: #3e4b44;

  --accent: #5cf0a1;
  --accent-dim: #2fa86c;
  --accent-glow: rgba(92, 240, 161, 0.45);
  --amber: #f2c463;

  --text: #dbe7e0;
  --muted: #8fa89b;

  --font-en: "Space Grotesk", "Vazirmatn", system-ui, sans-serif;
  --font-fa: "Vazirmatn", "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Vazirmatn", ui-monospace, monospace;

  --radius: 14px;
  --container: 1160px;
  --nav-h: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  background-attachment: fixed;
  overflow-x: clip;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

html[dir="ltr"] body { font-family: var(--font-en); }
html[dir="rtl"] body { font-family: var(--font-fa); }

body::before {
  /* soft vignette so the mat feels lit from above */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(120, 220, 170, 0.10), transparent 55%),
              radial-gradient(ellipse at 50% 100%, rgba(0, 0, 0, 0.45), transparent 60%);
  z-index: 0;
}

#root { position: relative; z-index: 1; }

img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
html[dir="rtl"] .mono { letter-spacing: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
@media (min-width: 768px) { .container { padding-inline: 32px; } }

.section { position: relative; padding-block: 88px; }
@media (min-width: 900px) { .section { padding-block: 128px; } }

/* ---------- Section header ---------- */
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--accent); text-transform: uppercase;
  margin-bottom: 14px;
}
.sec-label::before {
  content: ""; width: 26px; height: 1px; background: var(--accent); opacity: .7;
}
.sec-title {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #f2f7f4;
}
html[dir="rtl"] .sec-title { letter-spacing: 0; font-weight: 800; }
.sec-sub { margin-top: 14px; color: var(--muted); font-size: 16px; max-width: 60ch; }

/* ---------- Loading ---------- */
.loading {
  min-height: 100svh; display: grid; place-items: center; color: var(--muted); font-size: 13px;
}
.loading .led { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow); margin-inline-end: 10px; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; box-shadow: none; } }

/* =====================================================================
   NAV
   ===================================================================== */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 50;
  height: var(--nav-h);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 22, 17, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-logo {
  font-family: var(--font-en); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; color: #fff;
  display: inline-flex; align-items: center; gap: 10px;
}
.nav-logo .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.nav-links { display: none; gap: 28px; }
.nav-links a { font-size: 12px; color: var(--muted); text-transform: uppercase; transition: color .2s; }
.nav-links a:hover { color: var(--accent); }
.nav-links a span { color: var(--accent-dim); margin-inline-end: 6px; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.lang-btn {
  height: 34px; padding-inline: 12px; border-radius: 8px;
  border: 1px solid var(--line-strong); font-size: 12px; color: var(--text);
  transition: background .2s, border-color .2s;
}
.lang-btn:hover { background: rgba(92, 240, 161, 0.08); border-color: var(--accent-dim); }
.menu-btn { width: 36px; height: 34px; border-radius: 8px; border: 1px solid var(--line-strong); display: grid; place-items: center; }
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--text); margin: 2px 0; transition: transform .25s, opacity .25s; }
.menu-btn.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-drawer {
  position: fixed; top: var(--nav-h); inset-inline: 0; z-index: 49;
  background: rgba(7, 22, 17, 0.96); border-bottom: 1px solid var(--line);
  display: grid; padding: 12px 20px 20px;
  transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .25s;
}
.nav-drawer.open { transform: none; opacity: 1; pointer-events: auto; }
.nav-drawer a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 15px; display: flex; gap: 12px; }
.nav-drawer a:last-child { border-bottom: 0; }
.nav-drawer a span { color: var(--accent-dim); font-size: 12px; }
@media (min-width: 900px) {
  .nav-links { display: flex; }
  .menu-btn, .nav-drawer { display: none; }
}

/* =====================================================================
   HERO (pinned scroll scene)
   ===================================================================== */
.hero { position: relative; }
.hero-pin {
  position: relative;
  height: 100svh;
  padding-top: var(--nav-h);
  display: grid; align-content: start;
  overflow: hidden;
}
.hero-inner {
  display: grid; gap: 28px; align-items: center;
  grid-template-columns: 1fr;
  padding-block: 16px 0;
}
@media (min-width: 900px) {
  .hero-pin { min-height: 100svh; height: auto; align-content: center; }
  .hero-inner { grid-template-columns: 1.05fr 1fr; gap: 48px; padding-block: 0; min-height: calc(100svh - var(--nav-h)); }
}
.section { scroll-margin-top: calc(var(--nav-h) + 8px); }

.hero-text { position: relative; }
.hero-hello { font-size: 12px; color: var(--accent); margin-bottom: 14px; }
.hero-name-card {
  position: relative; display: inline-block;
  background: var(--paper); color: var(--ink);
  padding: 18px 22px 20px; border-radius: 4px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  transform: rotate(-0.6deg);
  max-width: 100%;
}
html[dir="rtl"] .hero-name-card { transform: rotate(0.6deg); }
.hero-name {
  font-size: clamp(38px, 10vw, 84px);
  font-weight: 700; letter-spacing: -0.035em; line-height: 0.95;
  text-transform: uppercase;
}
html[dir="rtl"] .hero-name { text-transform: none; letter-spacing: 0; font-weight: 800; line-height: 1.15; font-size: clamp(34px, 9vw, 72px); }
.hero-role { margin-top: 12px; font-size: 12px; color: var(--accent-dim); text-transform: uppercase; }
html[dir="rtl"] .hero-role { text-transform: none; }
.hero-tagline { margin-top: 22px; font-size: clamp(16px, 2vw, 18px); color: var(--text); max-width: 46ch; }
.hero-meta { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px;
  padding: 7px 12px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text);
}
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent-glow); animation: blink 2.4s infinite; }
.stamp {
  width: 72px; height: 72px; border-radius: 50%; border: 1.5px solid var(--ink); color: var(--ink);
  display: none; place-items: center; font-size: 8px; text-align: center; line-height: 1.3; padding: 8px;
  position: absolute; inset-inline-end: 14px; bottom: 14px; opacity: .8; transform: rotate(-12deg);
}
@media (min-width: 600px) { .stamp { display: grid; } .hero-name-card { padding-inline-end: 100px; } }
@media (max-width: 599px) { .hero-name-card { padding: 14px 16px 16px; } .hero-tagline { font-size: 15px; margin-top: 16px; } .hero-meta { margin-top: 14px; } }
.tape {
  position: absolute; width: 90px; height: 24px; background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(2px); box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.tape.tl { top: -10px; inset-inline-start: -22px; transform: rotate(-35deg); }
.tape.br { bottom: -10px; inset-inline-end: -22px; transform: rotate(-35deg); }
.sticky-note {
  position: absolute; top: -26px; inset-inline-end: -6px;
  background: #f4e9b8; color: var(--ink); padding: 10px 14px; border-radius: 2px;
  font-size: 13px; line-height: 1.35; max-width: 170px; box-shadow: 0 10px 24px rgba(0,0,0,.3);
  transform: rotate(4deg); display: none;
}
html[dir="rtl"] .sticky-note { transform: rotate(-4deg); }
@media (min-width: 900px) { .sticky-note { display: block; } }

/* Stage */
.stage {
  position: relative; width: min(100%, 520px, calc(100svh - 170px)); margin-inline: auto;
  aspect-ratio: 1 / 1;
}
@media (max-width: 899px) { .stage { width: min(80vw, 320px); margin-top: 10px; } }

.board {
  position: absolute; inset: 9% 7%;
  border-radius: 16px;
  background:
    radial-gradient(circle at 12px 12px, rgba(255,255,255,0.10) 2px, transparent 3px),
    linear-gradient(180deg, #0f231b, #0a1812);
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.4), 0 30px 60px rgba(0,0,0,.45);
}
.board::before, .board::after {
  /* mounting holes */
  content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--bg-deep);
}
.board::before { top: 10px; left: 10px; }
.board::after { bottom: 10px; right: 10px; }
.board-label {
  position: absolute; bottom: 10px; left: 14px; font-size: 9px; color: var(--muted); opacity: .8;
}
.board-traces { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.board-traces path {
  fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round;
  opacity: .8; stroke-dasharray: 1; stroke-dashoffset: 1;
}
.board-traces circle { fill: var(--bg-deep); stroke: var(--accent-dim); stroke-width: 1; }

.slot {
  position: absolute; display: grid; place-items: center;
  will-change: transform;
}
.slot svg { width: 100%; height: 100%; overflow: visible; }
.slot-mcu   { width: 34%; height: 34%; left: 12%; top: 14%; }
.slot-relay { width: 30%; height: 20%; right: 10%; top: 18%; }
.slot-cap   { width: 11%; height: 22%; right: 14%; top: 46%; }
.slot-res   { width: 26%; height: 9%; left: 14%; top: 58%; }
.slot-led   { width: 9%; height: 9%; left: 36%; top: 74%; }
.slot-wifi  { width: 16%; height: 16%; right: 12%; top: 70%; }

.led-core { transition: none; }
.board.is-on .led-glow { opacity: 1; }
.led-glow { opacity: 0; }

.mini-panel {
  position: absolute; inset-inline-end: -4%; bottom: -6%;
  width: 56%; min-width: 190px;
  background: #0b1511; border: 1px solid var(--line-strong); border-radius: 10px;
  box-shadow: 0 24px 50px rgba(0,0,0,.5);
  padding: 10px 12px 12px; font-size: 10px; color: var(--muted);
  visibility: hidden; opacity: 0;
}
.mini-panel .bar { display: flex; align-items: center; gap: 5px; margin-bottom: 10px; }
.mini-panel .bar i { width: 6px; height: 6px; border-radius: 50%; background: #2a3a32; }
.mini-panel .bar span { margin-inline-start: auto; color: var(--accent); font-size: 9px; }
.mini-row { display: flex; align-items: center; justify-content: space-between; padding: 7px 8px; background: var(--panel-2); border-radius: 6px; color: var(--text); }
.toggle { width: 30px; height: 16px; border-radius: 999px; background: #2a3a32; position: relative; transition: background .2s; }
.toggle i { position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: #fff; }
.toggle.on { background: var(--accent-dim); }
.mini-chart { margin-top: 8px; padding: 8px; background: var(--panel-2); border-radius: 6px; }
.mini-chart svg { width: 100%; height: 34px; display: block; margin-top: 4px; }
.mini-chart path { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; }

.stage-steps {
  position: absolute; top: -8px; inset-inline-start: 0;
  display: flex; gap: 14px; font-size: 10px; color: var(--muted);
}
.stage-steps span { display: inline-flex; align-items: center; gap: 6px; opacity: .45; transition: none; }
.stage-steps span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.stage-steps span.on { opacity: 1; color: var(--accent); }

.scroll-hint {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  font-size: 10px; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.scroll-hint i { width: 1px; height: 28px; background: linear-gradient(var(--accent), transparent); animation: drop 1.6s infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* =====================================================================
   PROJECTS
   ===================================================================== */
.projects-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .projects-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; } }

.pcard {
  position: relative; text-align: start; padding: 0; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .3s, box-shadow .3s;
  width: 100%;
}
.pcard.reveal.is-in { transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .3s, box-shadow .3s; }
.pcard:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pcard:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 24px 50px rgba(0,0,0,.35); }
.pcard-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--panel-2); }
.pcard-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.pcard:hover .pcard-img img { transform: scale(1.04); }
.pcard-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(10,23,18,.85)); }
.pcard-idx {
  position: absolute; top: 12px; inset-inline-start: 12px; z-index: 1;
  font-size: 11px; color: var(--accent); background: rgba(7,22,17,.7); padding: 4px 8px; border-radius: 6px;
  border: 1px solid var(--line);
}
.pcard-year { position: absolute; top: 12px; inset-inline-end: 12px; z-index: 1; font-size: 11px; color: var(--muted); }
.pcard-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.pcard-title { font-size: 18px; font-weight: 700; color: #f2f7f4; letter-spacing: -0.01em; }
html[dir="rtl"] .pcard-title { letter-spacing: 0; }
.pcard-desc { font-size: 14px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.tag {
  font-size: 10.5px; padding: 4px 8px; border-radius: 6px;
  border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,.02);
}
.pcard-more { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--accent); margin-top: 6px; }
.arrow { width: 14px; height: 14px; }
html[dir="rtl"] .arrow { transform: scaleX(-1); }

/* Featured card */
.pcard.featured { grid-column: 1 / -1; }
@media (min-width: 900px) {
  .pcard.featured { flex-direction: row-reverse; align-items: stretch; }
  .pcard.featured .pcard-img { flex: 1.1; aspect-ratio: auto; min-height: 340px; }
  .pcard.featured .pcard-img::after { background: linear-gradient(90deg, rgba(10,23,18,.6), transparent 40%); }
  html[dir="rtl"] .pcard.featured .pcard-img::after { background: linear-gradient(-90deg, rgba(10,23,18,.6), transparent 40%); }
  .pcard.featured .pcard-body { flex: 1; padding: 34px 36px; justify-content: center; }
  .pcard.featured .pcard-title { font-size: 28px; }
  .pcard.featured .pcard-desc { font-size: 16px; }
}
.pcard.featured .pcard-idx { display: none; }
.featured-flag {
  position: absolute; top: 14px; inset-inline-start: 16px; z-index: 2;
  background: var(--paper); color: var(--ink); font-size: 10px; padding: 6px 10px;
  transform: rotate(-2deg); box-shadow: 0 6px 16px rgba(0,0,0,.3);
}
html[dir="rtl"] .featured-flag { transform: rotate(2deg); }

/* =====================================================================
   MODAL
   ===================================================================== */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(3, 12, 9, 0.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: end center; padding: 0;
  animation: fade .25s ease;
}
@media (min-width: 900px) { .modal-backdrop { place-items: center; padding: 24px; } }
@keyframes fade { from { opacity: 0; } }
.modal {
  width: 100%; max-width: 1040px; max-height: 94svh; overflow: auto;
  background: var(--panel); border: 1px solid var(--line-strong);
  border-radius: 18px 18px 0 0;
  animation: rise .35s cubic-bezier(.2,.7,.2,1);
  overscroll-behavior: contain;
}
@media (min-width: 900px) { .modal { border-radius: 18px; display: grid; grid-template-columns: 1.15fr 1fr; max-height: 90vh; } }
@keyframes rise { from { transform: translateY(24px); opacity: 0; } }

.modal-top {
  position: sticky; top: 0; z-index: 3; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; background: rgba(10,23,18,.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
  font-size: 11px; color: var(--muted);
}
@media (min-width: 900px) { .modal-top { grid-column: 1 / -1; } }
.close-btn {
  display: inline-flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text);
  padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line-strong);
}
.close-btn:hover { border-color: var(--accent-dim); color: var(--accent); }

.gallery { padding: 14px; }
@media (min-width: 900px) { .gallery { padding: 20px; position: sticky; top: 42px; align-self: start; } }
.gallery-main { position: relative; aspect-ratio: 4 / 3; border-radius: 12px; overflow: hidden; background: var(--panel-2); border: 1px solid var(--line); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; animation: fade .3s; }
.gal-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(7,22,17,.75); border: 1px solid var(--line-strong); color: #fff;
}
.gal-btn:hover { background: rgba(92,240,161,.15); border-color: var(--accent-dim); }
.gal-btn.prev { inset-inline-start: 10px; }
.gal-btn.next { inset-inline-end: 10px; }
.gal-btn svg { width: 16px; height: 16px; }
/* direction-aware chevrons: prev points "back", next points "forward" in both LTR and RTL */
.icon-prev, .icon-next { display: inline-flex; width: 16px; height: 16px; }
.icon-prev svg, .icon-next svg { width: 100%; height: 100%; }
.icon-prev { transform: scaleX(-1); }
html[dir="rtl"] .icon-prev { transform: none; }
html[dir="rtl"] .icon-next { transform: scaleX(-1); }
.gal-count { position: absolute; bottom: 10px; inset-inline-end: 12px; font-size: 11px; color: #fff; background: rgba(7,22,17,.7); padding: 3px 8px; border-radius: 6px; }
.thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.thumb { flex: 0 0 auto; width: 72px; aspect-ratio: 4/3; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); opacity: .55; transition: .2s; padding: 0; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.on, .thumb:hover { opacity: 1; border-color: var(--accent); }

.pinfo { padding: 6px 18px 28px; }
@media (min-width: 900px) { .pinfo { padding: 20px 28px 32px 8px; } html[dir="rtl"] .pinfo { padding: 20px 8px 32px 28px; } }
.pinfo-paper {
  background: var(--paper); color: var(--ink); padding: 18px 20px; border-radius: 6px; position: relative;
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}
.pinfo-title { font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
html[dir="rtl"] .pinfo-title { letter-spacing: 0; font-weight: 800; line-height: 1.3; }
.pinfo-tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.pinfo-tags .tag { border-color: rgba(0,0,0,.18); color: var(--ink-soft); background: rgba(0,0,0,.03); }
.pinfo-meta { display: flex; gap: 22px; margin-top: 14px; font-size: 11px; color: var(--ink-soft); }
.pinfo-meta b { display: block; color: var(--ink); font-size: 12px; font-weight: 600; margin-top: 2px; }

.pblock { margin-top: 22px; }
.pblock h4 { font-size: 11px; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.pblock h4::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.pblock p { font-size: 15px; color: var(--text); }
.hl-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hl-list li { position: relative; padding-inline-start: 20px; font-size: 14px; color: var(--text); }
.hl-list li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: 9px; width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent-dim); box-shadow: 0 0 8px var(--accent-glow);
}
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.stack-grid span { background: var(--panel-2); padding: 10px 12px; font-size: 12px; display: flex; align-items: center; gap: 8px; }
.stack-grid span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-dim); }

/* =====================================================================
   SKILLS
   ===================================================================== */
.legend { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: -8px 0 32px; font-size: 11px; color: var(--muted); }
.legend div { display: inline-flex; align-items: center; gap: 8px; }
.legend .seg { display: inline-flex; gap: 2px; }
.legend .seg i { width: 9px; height: 5px; background: #23362d; border-radius: 1px; }
.legend .seg i.f { background: var(--accent); }

.skills-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .skills-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.skill-group {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.skill-group-head {
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.skill-group-head h3 { font-size: 15px; font-weight: 700; color: #f2f7f4; }
.skill-group-head span { font-size: 10px; color: var(--muted); }
.skill-row { padding: 14px 18px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; }
.skill-row:last-child { border-bottom: 0; }
.skill-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.skill-name { font-size: 14px; font-weight: 600; color: var(--text); }
.skill-level { font-size: 10px; color: var(--muted); white-space: nowrap; }
.meter { display: flex; gap: 3px; height: 6px; }
.meter i { flex: 1; background: #1a2b24; border-radius: 2px; position: relative; overflow: hidden; }
.meter i::after {
  content: ""; position: absolute; inset: 0; background: var(--accent); transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 8px var(--accent-glow);
}
html[dir="rtl"] .meter i::after { transform-origin: right; }
.skill-row.is-on .meter i.f::after { transform: scaleX(1); transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.skill-row.is-on .meter i.f:nth-child(2)::after { transition-delay: .12s; }
.skill-row.is-on .meter i.f:nth-child(3)::after { transition-delay: .24s; }
.skill-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 11px; }
.usage { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.usage i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-dim); }
.usage.u2 i { background: var(--amber); }
.usage.u3 i { background: #4a5b53; }
.skill-note { font-size: 11px; color: var(--muted); font-style: italic; }
html[dir="rtl"] .skill-note { font-style: normal; opacity: .85; }

/* =====================================================================
   STORY
   ===================================================================== */
.story-wrap { position: relative; max-width: 760px; padding-inline-start: 44px; }
@media (min-width: 900px) { .story-wrap { padding-inline-start: 72px; } }
.story-line { position: absolute; top: 8px; bottom: 8px; inset-inline-start: 11px; width: 2px; background: var(--line); border-radius: 2px; }
@media (min-width: 900px) { .story-line { inset-inline-start: 23px; } }
.story-progress { position: absolute; top: 0; left: 0; width: 100%; height: 0%; background: var(--accent); box-shadow: 0 0 10px var(--accent-glow); border-radius: 2px; }
.story-progress::after { content: ""; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); }
.chapter { position: relative; padding-bottom: 56px; }
.chapter:last-child { padding-bottom: 0; }
.chapter-marker {
  position: absolute; inset-inline-start: -44px; top: 2px; width: 24px; height: 24px; border-radius: 6px;
  background: var(--panel); border: 1px solid var(--line-strong); display: grid; place-items: center;
  font-size: 9px; color: var(--muted); transition: .3s;
}
@media (min-width: 900px) { .chapter-marker { inset-inline-start: -72px; width: 48px; height: 48px; font-size: 12px; border-radius: 10px; } }
.chapter.is-on .chapter-marker { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); }
.chapter h3 { font-size: clamp(20px, 3vw, 26px); font-weight: 700; color: #f2f7f4; letter-spacing: -0.01em; }
html[dir="rtl"] .chapter h3 { letter-spacing: 0; }
.chapter p { margin-top: 10px; font-size: 16px; color: var(--muted); max-width: 58ch; }
.chapter.is-on p { color: var(--text); }
.chapter p { transition: color .4s; }

/* =====================================================================
   CONTACT / FOOTER
   ===================================================================== */
.contact-card {
  position: relative; background: var(--paper); color: var(--ink); border-radius: 8px;
  padding: 36px 28px; box-shadow: 0 30px 60px rgba(0,0,0,.4);
  display: grid; gap: 24px;
}
@media (min-width: 900px) { .contact-card { grid-template-columns: 1.3fr 1fr; padding: 56px 56px; align-items: center; } }
.contact-title { font-size: clamp(28px, 5vw, 48px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
html[dir="rtl"] .contact-title { letter-spacing: 0; font-weight: 800; line-height: 1.3; }
.contact-sub { margin-top: 14px; color: var(--ink-soft); font-size: 16px; max-width: 48ch; }
.contact-actions { display: grid; gap: 12px; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--ink); color: #fff; padding: 16px 20px; border-radius: 10px; font-size: 14px; font-weight: 600;
  transition: transform .2s, background .2s;
}
.btn-primary:hover { transform: translateY(-2px); background: #1c2a23; }
.btn-primary .arrow { width: 18px; height: 18px; }
.contact-links { display: grid; gap: 1px; background: rgba(0,0,0,.12); border: 1px solid rgba(0,0,0,.12); border-radius: 10px; overflow: hidden; }
.contact-links a { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--paper); font-size: 13px; transition: background .2s; }
.contact-links a:hover { background: var(--paper-2); }
.contact-links a span { color: var(--ink-soft); font-size: 12px; }
.footer { padding: 28px 0 40px; font-size: 11px; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

/* ---------- reveal helpers (JS adds .is-in) ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }