/* =====================================================================
   Portfolio — "Graphite & Signal"
   03-UIUX-Spetsifikatsiya asosida. Mockupdan (Portfolio.dc.html) qayta
   yozilgan — React'siz, plain CSS. Inline uslublar shu yerga ko'chirilgan.
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --bg:     #16181D;
  --panel:  #1E2127;
  --line:   #2C313A;
  --fg:     #E7E9EC;
  --muted:  #8A92A0;
  --signal: #E0A458;
  --grid-op: 1;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter Tight', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1180px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--signal); color: var(--bg); }

/* ---------- Keyframes ---------- */
@keyframes blink   { 0%,48% { opacity: 1 } 49%,100% { opacity: 0 } }
@keyframes marquee { from { transform: translateX(0) } to { transform: translateX(-50%) } }
@keyframes scan    { 0% { transform: translateY(-10vh) } 100% { transform: translateY(110vh) } }

/* ---------- Fixed background layers ---------- */
#bg-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  display: block; z-index: 0; pointer-events: none;
}
.grid-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: var(--grid-op);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  transition: opacity .4s ease;
}
.vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 2;
  background: radial-gradient(ellipse 75% 65% at 50% 45%, transparent 60%, rgba(0,0,0,0.34) 100%);
}
.scanline {
  position: fixed; left: 0; right: 0; top: 0; height: 32vh;
  pointer-events: none; z-index: 2;
  background: linear-gradient(to bottom, transparent, var(--signal), transparent);
  opacity: 0.045; animation: scan 8s linear infinite;
}

/* ---------- HUD (pastki o'lchov chizig'i) ---------- */
.hud {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 9px clamp(14px, 3vw, 26px);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}
.hud span { white-space: nowrap; }
.hud .dot { color: var(--signal); animation: blink 1.4s step-end infinite; }
.hud .sec { color: var(--fg); }
.hud .pct { color: var(--signal); }
.hud-progress-track {
  position: fixed; left: 0; bottom: 31px; height: 2px; width: 100%;
  z-index: 26; pointer-events: none;
}
.hud-progress { height: 100%; width: 0%; background: var(--signal); }

/* ---------- Boot overlay ---------- */
.boot {
  position: fixed; inset: 0; z-index: 100; background: var(--bg);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.boot-inner {
  width: min(460px, 86vw);
  font-family: var(--font-mono); font-size: 13px; line-height: 1.9; color: var(--muted);
}
.boot-line { color: inherit; }
.boot-line.signal { color: var(--signal); }
.boot-name {
  color: var(--fg); font-family: var(--font-display); font-size: 26px;
  letter-spacing: 0.02em; margin-top: 10px;
}
.boot-bar-track { height: 2px; background: var(--line); margin-top: 18px; }
.boot-bar { height: 100%; width: 0%; background: var(--signal); }
.boot-meta {
  display: flex; justify-content: space-between; margin-top: 9px;
  letter-spacing: 0.14em; text-transform: uppercase; font-size: 11px;
}
.boot-meta .pct { color: var(--signal); }

/* ---------- Page wrapper ---------- */
.wrap {
  position: relative; z-index: 3;
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px);
}

/* ---------- Nav ---------- */
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 0; position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.nav-brand {
  display: flex; align-items: center; gap: 11px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em;
  color: var(--fg); text-decoration: none;
}
.nav-brand .mark { width: 9px; height: 9px; background: var(--signal); display: inline-block; }
.nav-links { display: flex; gap: 26px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.nav-links a { color: var(--muted); text-decoration: none; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--signal); }
.nav-links a.cta { color: var(--signal); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(32px, 5vw, 56px); align-items: center;
  padding: clamp(48px, 9vh, 104px) 0 clamp(44px, 7vh, 88px);
}
.hero-kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em;
  color: var(--muted); text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(46px, 7.5vw, 92px);
  line-height: 0.95; font-weight: 600; letter-spacing: -0.025em;
  margin: 20px 0 0; color: var(--fg);
}
.hero-lead {
  font-family: var(--font-body); font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.45; color: var(--fg); max-width: 30ch; margin: 26px 0 0;
}
.hero-sub {
  font-family: var(--font-body); font-size: 15px; line-height: 1.6;
  color: var(--muted); max-width: 42ch; margin: 16px 0 0;
}
.hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 36px; }
.stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 600; color: var(--fg); }
.stat-value .suffix { color: var(--signal); }
.stat-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--muted); text-transform: uppercase; margin-top: 4px;
}

/* Hero 3D canvas panel */
.hero-canvas-wrap {
  position: relative; height: clamp(300px, 42vw, 460px);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 55%, transparent); overflow: hidden;
}
.hero-canvas-wrap canvas { width: 100%; height: 100%; display: block; }
.tick { position: absolute; width: 14px; height: 14px; z-index: 2; }
.tick.tl { top: -1px; left: -1px;  border-top: 1px solid var(--signal); border-left: 1px solid var(--signal); }
.tick.tr { top: -1px; right: -1px; border-top: 1px solid var(--signal); border-right: 1px solid var(--signal); }
.tick.bl { bottom: -1px; left: -1px;  border-bottom: 1px solid var(--signal); border-left: 1px solid var(--signal); }
.tick.br { bottom: -1px; right: -1px; border-bottom: 1px solid var(--signal); border-right: 1px solid var(--signal); }
.canvas-cap {
  position: absolute; left: 14px; bottom: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--muted);
}
.canvas-sys {
  position: absolute; right: 14px; top: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--signal);
}

/* ---------- Marquee ---------- */
.marquee-wrap {
  position: relative; left: 50%; margin-left: -50vw; width: 100vw;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap;
  background: color-mix(in srgb, var(--panel) 35%, transparent);
}
.marquee {
  display: inline-block; white-space: nowrap; animation: marquee 28s linear infinite;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.2em;
  color: var(--muted); padding: 14px 0; text-transform: uppercase;
}

/* ---------- Sections ---------- */
.section { position: relative; z-index: 0; padding: clamp(40px, 7vh, 80px) 0; }
.section-ghost {
  position: absolute; top: -26px; right: -6px; z-index: -1;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(110px, 17vw, 210px); line-height: 0.8;
  color: var(--line); opacity: 0.55; pointer-events: none; user-select: none;
}
.section-head {
  display: flex; align-items: baseline; gap: 18px;
  border-top: 1px solid var(--line); padding-top: 22px; margin-bottom: 32px;
}
.section-index { font-family: var(--font-mono); font-size: 13px; color: var(--signal); font-weight: 500; }
.section-title {
  font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px);
  font-weight: 600; letter-spacing: -0.02em; margin: 0; color: var(--fg);
}
.section-note {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--muted); margin-left: auto; text-transform: uppercase;
}
.section-lead {
  font-family: var(--font-body); font-size: clamp(17px, 2vw, 20px); line-height: 1.5;
  color: var(--fg); max-width: 54ch; margin: 18px 0 40px;
}

/* ---------- Experience ---------- */
.xp-row {
  display: grid; grid-template-columns: minmax(120px, 170px) 1fr; gap: 24px;
  padding: 24px 0; border-top: 1px solid var(--line);
}
.xp-row:last-child { border-bottom: 1px solid var(--line); }
.xp-period { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--muted); }
.xp-role { font-family: var(--font-display); font-size: 21px; font-weight: 600; margin: 0; color: var(--fg); }
.xp-org { font-family: var(--font-mono); font-size: 12px; color: var(--signal); margin: 6px 0 10px; }
.xp-desc { font-family: var(--font-body); font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; max-width: 56ch; }
.xp-current { color: var(--signal); font-family: var(--font-mono); font-size: 11px; }

/* ---------- Skills ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(32px, 5vw, 56px); }
.skill-cat-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--signal); text-transform: uppercase; margin-bottom: 22px;
}
.skill-row { margin-bottom: 20px; }
.skill-row:last-child { margin-bottom: 0; }
.skill-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 13px; color: var(--fg); }
.skill-meta .lvl { color: var(--muted); }
.skill-track { height: 4px; background: var(--line); margin-top: 9px; }
.skill-bar { height: 100%; background: var(--signal); transition: width .9s cubic-bezier(.2,.7,.2,1); }

/* ---------- Projects ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.proj-card {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--line); background: var(--panel);
  text-decoration: none; color: var(--fg);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.proj-card:hover {
  transform: translateY(-6px); border-color: var(--signal);
  box-shadow: 0 0 0 1px var(--signal), 0 22px 50px -22px rgba(0,0,0,0.6);
}
.proj-cover { position: relative; height: 150px; overflow: hidden; }
.proj-cover img { width: 100%; height: 100%; object-fit: cover; }
.proj-cover.placeholder {
  background:
    repeating-linear-gradient(45deg, var(--line) 0, var(--line) 1px, transparent 1px, transparent 9px),
    var(--panel);
}
.proj-cover .cover-tag { position: absolute; left: 14px; bottom: 12px; font-family: var(--font-mono); font-size: 10px; color: var(--muted); }
.proj-cover .cover-num { position: absolute; right: 14px; top: 12px; font-family: var(--font-mono); font-size: 11px; color: var(--signal); }
.proj-body { padding: 20px; }
.badge-featured {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em;
  color: var(--signal); border: 1px solid var(--signal); padding: 3px 7px; text-transform: uppercase;
}
.proj-title { font-family: var(--font-display); font-size: 20px; font-weight: 600; margin: 16px 0 8px; color: var(--fg); }
.proj-card .proj-title:first-child { margin-top: 0; }
.proj-summary { font-family: var(--font-body); font-size: 14px; line-height: 1.55; color: var(--muted); margin: 0 0 16px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 6px 14px; font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.proj-view { font-family: var(--font-mono); font-size: 11px; color: var(--signal); margin-top: 18px; letter-spacing: 0.08em; }

/* ---------- Blog rows ---------- */
.post-row {
  display: grid; grid-template-columns: minmax(120px, 150px) 1fr auto; gap: 20px;
  align-items: center; padding: 22px 0; border-top: 1px solid var(--line);
  text-decoration: none; color: var(--fg); transition: padding-left .25s ease;
}
.post-row:last-child { border-bottom: 1px solid var(--line); }
.post-row:hover { padding-left: 10px; }
.post-meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.post-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin: 0 0 5px; color: var(--fg); }
.post-excerpt { font-family: var(--font-body); font-size: 13px; color: var(--muted); margin: 0; }
.post-read { font-family: var(--font-mono); font-size: 12px; color: var(--signal); }

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-block; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.06em; color: var(--fg); text-decoration: none;
  border: 1px solid var(--line); padding: 11px 18px; cursor: pointer;
  background: transparent; transition: border-color .2s, color .2s;
}
.btn:hover { border-color: var(--signal); color: var(--signal); }
.btn-primary { border-color: var(--signal); color: var(--signal); }

/* ---------- Contact ---------- */
.contact-panel { border: 1px solid var(--line); background: var(--panel); padding: clamp(28px, 5vw, 56px); }
.contact-tag { font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin: 0 0 16px; letter-spacing: 0.04em; }
.contact-head { font-family: var(--font-display); font-size: clamp(30px, 5vw, 52px); font-weight: 600; letter-spacing: -0.02em; margin: 0; color: var(--fg); }
.contact-head .caret { color: var(--signal); animation: blink 1.1s step-end infinite; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.contact-form { margin-top: 32px; display: grid; gap: 16px; max-width: 560px; }
.contact-form .field { display: grid; gap: 7px; }
.contact-form label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body); font-size: 15px; color: var(--fg);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  border: 1px solid var(--line); padding: 12px 14px; width: 100%;
  transition: border-color .2s;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--signal); }
.contact-form textarea { resize: vertical; min-height: 120px; }
/* Honeypot — odam ko'rmaydi */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { font-family: var(--font-mono); font-size: 12px; color: #E06A58; margin: 0; }

/* Messages (django.contrib.messages) */
.messages { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; }
.messages li {
  font-family: var(--font-mono); font-size: 13px; padding: 12px 16px;
  border: 1px solid var(--line); background: var(--panel);
}
.messages li.success { border-color: var(--signal); color: var(--fg); }
.messages li.error { border-color: #E06A58; color: var(--fg); }

/* ---------- Empty states (03-UIUX 6-bo'lim) ---------- */
.empty-state {
  font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  border: 1px dashed var(--line); padding: 32px; text-align: center;
  background:
    repeating-linear-gradient(45deg, transparent 0, transparent 8px, color-mix(in srgb, var(--line) 25%, transparent) 8px, color-mix(in srgb, var(--line) 25%, transparent) 9px);
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex; gap: 14px; align-items: center; justify-content: center;
  margin-top: 48px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--muted); text-transform: uppercase;
}
.pagination a { color: var(--fg); text-decoration: none; border: 1px solid var(--line); padding: 8px 14px; transition: border-color .2s, color .2s; }
.pagination a:hover { border-color: var(--signal); color: var(--signal); }

/* ---------- Category filter (blog) ---------- */
.cat-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.cat-filter a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); text-decoration: none;
  border: 1px solid var(--line); padding: 7px 13px; transition: border-color .2s, color .2s;
}
.cat-filter a:hover, .cat-filter a.active { border-color: var(--signal); color: var(--signal); }

/* ---------- Detail pages ---------- */
.detail-back { font-family: var(--font-mono); font-size: 12px; color: var(--muted); text-decoration: none; }
.detail-back:hover { color: var(--signal); }
.detail-title { font-family: var(--font-display); font-size: clamp(34px, 5vw, 60px); font-weight: 600; letter-spacing: -0.025em; line-height: 1; margin: 18px 0 16px; color: var(--fg); }
.detail-summary { font-family: var(--font-body); font-size: clamp(17px, 2vw, 20px); line-height: 1.5; color: var(--muted); max-width: 60ch; margin: 0 0 24px; }
.detail-cover { border: 1px solid var(--line); margin: 24px 0; overflow: hidden; }
.detail-cover img { width: 100%; display: block; }
.detail-body { font-family: var(--font-body); font-size: 17px; line-height: 1.75; color: var(--fg); max-width: 68ch; }
.detail-body p { margin: 0 0 1.2em; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0; }
.detail-next { display: inline-block; margin-top: 24px; font-family: var(--font-mono); font-size: 12px; color: var(--signal); text-decoration: none; letter-spacing: 0.06em; }

/* ---------- Footer ---------- */
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--muted); margin-top: 28px; padding: 28px 0 64px;
}

/* =====================================================================
   Motion (JS bilan boshqariladi). Default holatda elementlar KO'RINADI —
   JS yoqilganda motion.js ularni yashirib, ko'rinishga kirganda ochadi.
   Shunday qilib JS/motion bo'lmasa ham kontent ko'rinadi.
   ===================================================================== */
[data-reveal] { transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
[data-hero]   { transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }

/* JS reveal'ni boshqarsin uchun belgi (html.js qo'shganda dastlab yashiriladi) */
html.js [data-reveal].pre-hide { opacity: 0; transform: translateY(24px); }
html.js [data-hero].pre-hide   { opacity: 0; transform: translateY(34px); }

/* ---------- Reduced motion (03-UIUX 4-bo'lim: MAJBURIY) ---------- */
@media (prefers-reduced-motion: reduce) {
  .scanline { display: none !important; }
  .marquee { animation: none !important; }
  .hud .dot, .contact-head .caret { animation: none !important; opacity: 1 !important; }
  [data-reveal], [data-hero] { transition: none !important; opacity: 1 !important; transform: none !important; }
  .skill-bar { transition: none !important; }
}

/* ---------- Responsive (03-UIUX 5-bo'lim) ---------- */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav-links {
    position: absolute; top: 100%; right: 0; left: 0;
    flex-direction: column; gap: 0;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 60vh; }
  .nav-links a { padding: 14px clamp(20px, 5vw, 56px); border-top: 1px solid var(--line); }
  .nav-toggle {
    display: inline-flex; background: transparent; border: 1px solid var(--line);
    color: var(--fg); font-family: var(--font-mono); font-size: 11px;
    padding: 8px 12px; cursor: pointer; letter-spacing: 0.1em;
  }
  .skills-grid { grid-template-columns: 1fr; }
  .post-row { grid-template-columns: 1fr; gap: 6px; }
  .post-row .post-read { display: none; }
  .xp-row { grid-template-columns: 1fr; gap: 8px; }
}