:root[data-theme="dark"] {
  --bg: #07080b;
  --bg-soft: #0c0e13;
  --surface: rgba(20, 23, 30, 0.72);
  --surface-solid: #14171e;
  --line: rgba(243, 239, 230, 0.09);
  --line-strong: rgba(243, 239, 230, 0.16);
  --text: #f3efe6;
  --text-soft: #c4beb2;
  --muted: #8f887c;
  --accent: #d4b483;
  --accent-2: #7ed0c0;
  --accent-dim: rgba(212, 180, 131, 0.12);
  --accent-glow: rgba(212, 180, 131, 0.22);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --orb-1: rgba(212, 180, 131, 0.16);
  --orb-2: rgba(126, 208, 192, 0.1);
  --btn-fg: #14110c;
}

:root[data-theme="light"] {
  --bg: #f3eee4;
  --bg-soft: #faf7f1;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --line: rgba(28, 24, 16, 0.08);
  --line-strong: rgba(28, 24, 16, 0.14);
  --text: #16130f;
  --text-soft: #3f3a32;
  --muted: #6f6a60;
  --accent: #8b6428;
  --accent-2: #1f6f62;
  --accent-dim: rgba(139, 100, 40, 0.1);
  --accent-glow: rgba(139, 100, 40, 0.16);
  --shadow: 0 24px 60px rgba(40, 30, 10, 0.08);
  --orb-1: rgba(139, 100, 40, 0.12);
  --orb-2: rgba(31, 111, 98, 0.08);
  --btn-fg: #fff8ee;
}

@font-face {
  font-family: Vazirmatn;
  src: url("/fonts/Vazirmatn-wght.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -4.5rem;
  z-index: 100;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--btn-fg);
  font-weight: 700;
}
.skip-link:focus {
  top: 0.85rem;
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Vazirmatn, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.011em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

html[lang="fa"] body,
html[lang="fa"] button { font-family: Vazirmatn, ui-sans-serif, system-ui, sans-serif; }
html[lang="en"] .font-display {
  font-family: Georgia, "Times New Roman", serif;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
}
html[lang="fa"] .font-display { font-family: Vazirmatn, sans-serif; letter-spacing: 0; }

::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; text-decoration: none; }

.page-shell { position: relative; overflow: clip; min-height: 100vh; }
.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  width: min(42vw, 560px);
  height: min(42vw, 560px);
  border-radius: 999px;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.page-shell::before { top: -12vw; inset-inline-start: -8vw; background: var(--orb-1); }
.page-shell::after { bottom: -16vw; inset-inline-end: -10vw; background: var(--orb-2); }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
:root[data-theme="light"] .noise { opacity: 0.05; }

.wrap { width: min(1120px, calc(100% - 2.4rem)); margin-inline: auto; }
.nav-blur {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-photo {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 1rem;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--line-strong);
  background: var(--surface-solid);
}
.brand small { display: block; color: var(--muted); font-size: 0.75rem; }
.desktop-nav { display: none; gap: 1.15rem; }
.nav-link { color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.lang-switch, .icon-btn {
  border: 1px solid var(--line);
  background: var(--surface-solid);
  color: var(--text-soft);
  border-radius: 999px;
}
.lang-switch { display: inline-flex; padding: 0.2rem; }
.lang-switch button, .icon-btn {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.lang-switch button {
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}
.lang-switch button.active { background: var(--accent); color: var(--btn-fg); }
.icon-btn { width: 2.4rem; height: 2.4rem; display: inline-grid; place-items: center; }
.mobile-nav { display: none; padding: 0 0 1rem; }
.mobile-nav.open { display: grid; gap: 0.75rem; }
.mobile-nav a { font-weight: 600; color: var(--text-soft); }

.glass {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line-strong);
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
html[lang="fa"] .pill { letter-spacing: 0; text-transform: none; }
.dot { width: 0.4rem; height: 0.4rem; border-radius: 999px; background: var(--accent-2); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--btn-fg); box-shadow: 0 10px 30px var(--accent-glow); }
.btn-ghost { border: 1px solid var(--line-strong); background: transparent; color: var(--text); }
.btn-ghost:hover { background: color-mix(in srgb, var(--surface-solid) 80%, transparent); }
.btn-sm { padding: 0.55rem 0.95rem; font-size: 0.85rem; }
html[dir="rtl"] .btn svg { transform: scaleX(-1); }
.header-cta { display: none; }

.section { position: relative; z-index: 1; padding-block: 5.2rem; }
.hero { padding-top: 3.5rem; }
.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.hero-photo {
  margin: 0;
  justify-self: center;
  width: min(100%, 16rem);
  padding: 0.4rem;
  border-radius: 1.85rem;
  background: linear-gradient(160deg, var(--accent), color-mix(in srgb, var(--accent) 20%, transparent) 42%, transparent);
  box-shadow: var(--shadow);
}
.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 16rem;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 12%;
  border-radius: 1.55rem;
  background: var(--surface-solid);
}
.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
html[lang="fa"] .eyebrow { letter-spacing: 0.04em; text-transform: none; }
h1, h2, h3 { margin: 0; }
h1 { font-size: clamp(2.8rem, 8vw, 4.8rem); line-height: 1.05; font-weight: 800; max-width: 16ch; }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.15; font-weight: 800; }
.lede { margin: 1.4rem 0 0; max-width: 40rem; font-size: 1.15rem; line-height: 1.75; color: var(--text-soft); }
.meta { margin: 1rem 0 0; color: var(--muted); font-size: 0.95rem; }
.cta-row, .stats, .facts, .cards, .edu, .contact-grid { display: grid; gap: 0.85rem; }
.cta-row { margin-top: 2rem; display: flex; flex-wrap: wrap; }
.stats { margin-top: 2.6rem; grid-template-columns: 1fr 1fr; }
.stat, .fact, .card, .job, .edu-card, .contact-card {
  border-radius: 1.6rem;
  padding: 1.25rem;
}
.stat-value { font-size: 1.7rem; font-weight: 800; color: var(--accent); }
.stat-label, .fact-label, .muted { color: var(--muted); }
.fact-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
html[lang="fa"] .fact-label { letter-spacing: 0; text-transform: none; }
.about-grid, .skills-grid { display: grid; gap: 1.5rem; }
.skills-block-title {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
html[lang="fa"] .skills-block-title { letter-spacing: 0; text-transform: none; }
.domain-grid { display: grid; gap: 0.85rem; }
.domain-card {
  border-radius: 1.4rem;
  padding: 1.15rem 1.25rem 1.25rem;
  transition: border-color .2s ease, transform .2s ease;
}
.domain-card:hover { border-color: var(--line-strong); }
.domain-card .card-index { font-size: 0.78rem; }
.domain-card h4 {
  margin: 0.45rem 0 0;
  font-size: 1.05rem;
  line-height: 1.35;
}
.domain-card p {
  margin: 0.55rem 0 0;
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 0.9rem;
}
.about-copy { display: grid; gap: 1rem; margin-top: 1.3rem; }
.body-copy { margin: 0; max-width: 42rem; line-height: 1.9; color: var(--text-soft); }
.cards { margin-top: 1.8rem; }
.card-index { color: var(--accent); font-weight: 800; font-size: 0.9rem; }
.card h3, .job h3, .edu-card h3 { margin-top: 0.7rem; font-size: 1.15rem; }
.card p, .job-summary { margin: 0.7rem 0 0; color: var(--text-soft); line-height: 1.75; font-size: 0.95rem; }
.job-highlights {
  margin: 0.85rem 0 0;
  padding-inline-start: 1.15rem;
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 0.92rem;
}
.job-highlights li + li { margin-top: 0.4rem; }
.edu { margin-top: 1.8rem; }
.edu-card--cert {
  display: grid;
  gap: 1.25rem;
  padding: 1rem;
}
.edu-card--cert h3 { margin-top: 0; font-size: 1.25rem; }
.cert-preview {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.5rem;
  border: 0;
  border-radius: 1.35rem;
  cursor: zoom-in;
  overflow: hidden;
  background: linear-gradient(155deg, #0f62fe, color-mix(in srgb, var(--accent) 55%, #0f62fe) 38%, transparent 72%);
  box-shadow: var(--shadow);
  text-align: start;
}
.cert-preview img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.95rem;
  background: #fff;
}
.cert-preview-hint {
  position: absolute;
  inset-inline: 0.9rem;
  bottom: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  color: var(--text);
  backdrop-filter: blur(12px);
  font-size: 0.8rem;
  font-weight: 700;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}
.cert-preview:hover .cert-preview-hint,
.cert-preview:focus-visible .cert-preview-hint { opacity: 1; transform: none; }
@media (hover: none) {
  .cert-preview-hint { opacity: 1; transform: none; }
}
.cert-preview:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.edu-card-body .company { margin-top: 0.45rem; }
.edu-card-body .muted { margin: 0.35rem 0 0; }
.cert-id { font-size: 0.85rem; }
.cert-id code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text);
}
.cert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.15rem;
}

body.lightbox-open { overflow: hidden; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}
.lightbox.open { display: flex; }
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 10, 0.82);
  backdrop-filter: blur(10px);
  cursor: zoom-out;
}
.lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 1100px);
  max-height: 90vh;
  animation: rise .35s ease;
}
.lightbox-dialog img {
  display: block;
  width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.lightbox-close {
  position: absolute;
  top: 0.7rem;
  inset-inline-end: 0.7rem;
  z-index: 2;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.timeline { position: relative; margin-top: 2rem; display: grid; gap: 1rem; padding-inline-start: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.42rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--line) 18%, var(--line));
}
.job { position: relative; }
.timeline-dot {
  position: absolute;
  inset-inline-start: -2rem;
  top: 1.4rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.timeline-dot.current { background: var(--accent); animation: pulse 2.4s ease infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-dim); }
  50% { box-shadow: 0 0 0 8px transparent; }
}
.job-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.7rem; }
.company { margin: 0.35rem 0 0; font-weight: 700; color: var(--accent); }
.badge {
  margin-inline-start: 0.4rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 800;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.skills-tools .chips { margin-top: 0.55rem; }
.tool-group + .tool-group { margin-top: 1.15rem; }
.tool-group h4 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.chip {
  border: 1px solid var(--line);
  background: var(--surface-solid);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font-size: 0.92rem;
  color: var(--text-soft);
}
.contact-panel { border-radius: 2rem; padding: 1.6rem; }
.contact-intro {
  margin: 0.9rem 0 0;
  max-width: 42rem;
  color: var(--text-soft);
  line-height: 1.75;
}
.contact-grid { margin-top: 1.35rem; }
.contact-card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-card--static { cursor: default; }
.contact-card--static:hover { transform: none; }
.contact-card b { display: block; margin-top: 0.45rem; font-size: 1.15rem; }
footer {
  position: relative;
  z-index: 1;
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.reveal { opacity: 0; transform: translateY(18px); animation: rise .8s ease forwards; }
.d1 { animation-delay: .08s; }
.d2 { animation-delay: .16s; }
.d3 { animation-delay: .24s; }
.d4 { animation-delay: .32s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; animation: none; }
  .domain-card, .contact-card, .btn { transition: none; }
  .btn:hover, .contact-card:hover { transform: none; }
  .timeline-dot.current { animation: none; }
}

@media (min-width: 700px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .facts, .contact-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .domain-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid .skills-tools { grid-column: 1 / -1; }
  .cards { grid-template-columns: 1fr 1fr; }
  .edu { grid-template-columns: repeat(2, 1fr); }
  .edu-card--cert {
    grid-column: 1 / -1;
    grid-template-columns: minmax(18rem, 28rem) minmax(0, 1fr);
    align-items: center;
    gap: 1.75rem;
    padding: 1.35rem;
  }
  .header-cta { display: inline-flex; }
  .contact-panel { padding: 2.4rem; }
}
@media (min-width: 980px) {
  .desktop-nav { display: flex; }
  .menu-btn { display: none; }
  .brand-copy { display: block; }
  .about-grid { grid-template-columns: 1.1fr 0.9fr; }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { padding-top: 4.5rem; }
  .hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(12.8rem, 16rem); gap: 3rem; }
  .hero-photo { width: 100%; max-width: 16rem; justify-self: end; }
}
@media (max-width: 979px) {
  .brand-copy { display: none; }
}
@media print {
  .noise, .page-shell::before, .page-shell::after, header, .no-print, .lightbox, .cert-preview-hint, .cert-actions { display: none !important; }
  body { background: #fff; color: #111; }
  .section { padding-block: 1rem; break-inside: avoid; }
  .hero-photo { box-shadow: none; max-width: 8rem; }
}