/* ==========================================================================
   Design system — "Technical Blueprint"
   Warm paper, near-black ink, a single signal-orange accent used sparingly.
   No gradients, no glassmorphism, no glow. Structure reads like an annotated
   engineering drawing: hairline rules, numbered sheets, monospace labels.
   ========================================================================== */
:root {
  --paper: #f3efe6;
  --surface: #fbf9f2;
  --surface-sunken: #eae2cd;
  --ink-rgb: 23, 21, 15;
  --ink: rgb(var(--ink-rgb));
  --muted: rgba(var(--ink-rgb), 0.68);
  --muted-2: rgba(var(--ink-rgb), 0.46);
  --line: rgba(var(--ink-rgb), 0.16);
  --line-strong: rgba(var(--ink-rgb), 0.32);
  --accent-rgb: 224, 78, 26;
  --accent: rgb(var(--accent-rgb));
  --accent-soft: rgba(var(--accent-rgb), 0.12);
  --accent-soft-strong: rgba(var(--accent-rgb), 0.22);
  --accent-line: rgba(var(--accent-rgb), 0.5);
  --ink-panel: #17150e;
  --ink-panel-text: #ede6d4;
  --radius: 5px;
  --radius-sm: 3px;
  --container: 1200px;
  --lift: 4px;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Fine paper grain — subtle, so the page reads as material rather than a flat screen fill. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  width: min(100% - 2.4rem, var(--container));
  margin-inline: auto;
}

.section-padding {
  padding: 5rem 0;
}

.section-alt {
  background: var(--surface-sunken);
}

/* Replaces the old gradient-clipped text: a flat highlighter mark behind ink text. */
.mark {
  position: relative;
  white-space: normal;
  z-index: 1;
}

.mark::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0.1em -0.06em 0.06em;
  background: var(--accent-soft-strong);
  transform: rotate(-0.6deg);
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: 1rem;
  transform: translateY(-8rem);
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.progress-bar {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  z-index: 1200;
}

/* ---------- Fixed edge ruler — decorative tick marks, like a printed sheet margin ---------- */
.edge-ruler {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 13px;
  z-index: 5;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(var(--ink-rgb), 0.15) 0,
    rgba(var(--ink-rgb), 0.15) 1px,
    transparent 1px,
    transparent 32px
  );
  background-position: 0 0;
}

.edge-ruler.start {
  inset-inline-start: 0;
}

.edge-ruler.end {
  inset-inline-end: 0;
}

@media (max-width: 1160px) {
  .edge-ruler {
    display: none;
  }
}

/* ---------- Corner registration marks (technical-sheet motif) ---------- */
.reg-marks {
  position: relative;
}

.reg-marks::before,
.reg-marks::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  opacity: 0.55;
}

.reg-marks::before {
  top: 0;
  inset-inline-start: 0;
  border-top: 1.5px solid var(--ink);
  border-inline-start: 1.5px solid var(--ink);
}

.reg-marks::after {
  bottom: 0;
  inset-inline-end: 0;
  border-bottom: 1.5px solid var(--ink);
  border-inline-end: 1.5px solid var(--ink);
}

/* ---------- Doc-index / section eyebrow — numbered like drawing sheets ---------- */
.doc-index {
  margin: 0 0 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

[dir="rtl"] .doc-index {
  text-transform: none;
}

.doc-index-num {
  color: var(--accent);
  font-weight: 600;
}

.doc-index::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
}

.section-head {
  max-width: 68ch;
}

.section-title {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  letter-spacing: -0.015em;
  color: var(--ink);
  font-weight: 700;
}

.section-lead {
  margin: 0.75rem 0 0;
  color: var(--muted);
  max-width: 68ch;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  background: rgba(243, 239, 230, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1100;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.nav.scrolled {
  background: rgba(243, 239, 230, 0.97);
  border-color: var(--line-strong);
}

.nav-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  color: var(--ink);
  margin-inline-end: auto;
}

.brand-logo {
  width: 32px;
  height: 32px;
}

.brand-text {
  line-height: 1;
  white-space: nowrap;
  font-size: 1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.35rem;
  counter-reset: navitem;
}

.nav-links li {
  counter-increment: navitem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  padding-bottom: 0.2rem;
  border-bottom: 1.5px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a::before {
  content: counter(navitem, decimal-leading-zero) ".";
  font-family: var(--font-mono);
  color: var(--muted-2);
  margin-inline-end: 0.35em;
  font-size: 0.8em;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav-cta {
  border: 1.5px solid var(--ink) !important;
  border-radius: var(--radius-sm);
  padding: 0.42rem 0.85rem !important;
  color: var(--ink) !important;
}

.nav-cta::before {
  display: none;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--ink);
  color: var(--paper) !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 36px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 7px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: 8rem;
  isolation: isolate;
}

.blueprint-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(var(--ink-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--ink-rgb), 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: linear-gradient(180deg, black, transparent 92%);
  mask-image: linear-gradient(180deg, black, transparent 92%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.8rem;
  align-items: start;
}

.hero-copy h1 {
  margin: 0.3rem 0 0;
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 800;
}

.typed-wrap {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--accent);
  min-height: 1.6em;
}

.typed-wrap .typed-cursor {
  color: var(--ink);
}

.lead {
  margin: 1rem 0 0;
  max-width: 58ch;
  color: var(--muted);
}

/* ---------- Spec block (title-block table, replaces glass stat cards) ---------- */
.spec-block {
  margin: 1.8rem 0 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.spec-row {
  padding: 0.85rem 1.1rem;
  border-inline-end: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
}

.spec-row:nth-child(2n) {
  border-inline-end: none;
}

.spec-row:nth-last-child(-n + 2) {
  border-block-end: none;
}

.spec-row dt {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted-2);
}

[dir="rtl"] .spec-row dt {
  text-transform: none;
}

.spec-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}

[dir="rtl"] .spec-row dd {
  font-family: var(--font-body);
  font-weight: 700;
}

.hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.2rem;
  font-weight: 700;
  font-size: 0.94rem;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--ink);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.btn:hover,
.btn:focus-visible {
  transform: translate(calc(-1 * var(--lift)), calc(-1 * var(--lift)));
  box-shadow: var(--lift) var(--lift) 0 var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: var(--ink);
}

.btn-text {
  border: none;
  padding: 0.4rem 0;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  font-size: 0.88rem;
}

.btn-text:hover {
  transform: none;
  box-shadow: none;
  text-decoration-color: var(--accent);
}

.hero-aside {
  display: grid;
  gap: 1rem;
}

/* ---------- Profile photo ---------- */
.profile-photo {
  position: relative;
  margin: 0 auto;
  max-width: 74%;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1.5px solid var(--ink);
  background: var(--surface);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(0.15) contrast(1.03);
}

/* ---------- Terminal / console panel ---------- */
.terminal-window {
  background: var(--ink-panel);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  padding: 0.55rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: rgba(237, 230, 212, 0.5);
  letter-spacing: 0.02em;
}

.terminal-body {
  padding: 1.1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
  min-height: 216px;
}

.term-line {
  margin: 0;
  opacity: 0;
  transform: translateY(4px);
  animation: term-in 0.4s ease forwards;
  animation-delay: calc(var(--i) * 240ms + 200ms);
}

@keyframes term-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.term-prompt {
  color: var(--accent);
  margin-inline-end: 0.55rem;
  font-weight: 700;
}

.term-cmd {
  color: var(--ink-panel-text);
}

.term-out {
  color: rgba(237, 230, 212, 0.55);
  padding-inline-start: 1.4rem;
}

.term-ok {
  color: #e0a479;
  padding-inline-start: 1.4rem;
}

.blink-cursor {
  color: var(--accent);
  animation: blink 1s step-start infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ---------- Certifications ---------- */
.cert-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.cert-item {
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  display: grid;
  gap: 0.45rem;
  place-items: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cert-item:hover,
.cert-item:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--ink);
}

.cert-item img {
  width: 42px;
  filter: grayscale(0.2);
}

.cert-item span {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.76rem;
}

/* ---------- Cards (about / education / faq) ---------- */
.card-grid {
  margin-top: 1.8rem;
  display: grid;
  gap: 1rem;
  counter-reset: cardnum;
}

.card-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card {
  counter-increment: cardnum;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.3rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.info-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--line-strong);
}

.info-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 700;
}

.info-card p {
  margin: 0;
  color: var(--muted);
}

.info-card ul {
  margin: 0.7rem 0 0;
  padding-inline-start: 1.05rem;
  color: var(--muted);
}

.info-card ul li {
  margin-bottom: 0.25rem;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  font-size: 1.05rem;
}

/* ---------- Skills ---------- */
.skill-grid {
  margin-top: 1.8rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.skill-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--line-strong);
}

.skill-card h3 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.9rem;
  font-size: 1rem;
  color: var(--ink);
  font-weight: 700;
}

.skill-card h3 i {
  color: var(--accent);
  font-size: 0.9rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: var(--surface-sunken);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  cursor: default;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.chip:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.chip-ghost {
  background: transparent;
  border-color: var(--line-strong);
}

.chip-ghost:hover {
  background: var(--accent);
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- Projects — numbered dossier ---------- */
.projects-section {
  position: relative;
}

.dossier {
  margin-top: 2.2rem;
  display: grid;
  gap: 0;
}

.dossier-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) 1.15fr;
  gap: 2.2rem;
  padding: 2.6rem 0;
  border-top: 1px solid var(--line-strong);
}

.dossier:last-child .dossier-item:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.dossier-diagram {
  position: relative;
}

.dossier-number {
  position: absolute;
  top: -1.9rem;
  inset-inline-start: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.dossier-number b {
  color: var(--accent);
  font-weight: 600;
}

.diagram-frame {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem;
  aspect-ratio: 11 / 8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram-frame svg {
  width: 100%;
  height: 100%;
  color: var(--ink);
  overflow: visible;
}

.diagram-frame .diagram-accent {
  color: var(--accent);
}

.dossier-flag {
  display: inline-flex;
  margin-top: 0.7rem;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--ink);
  background: var(--accent);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.22rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

[dir="rtl"] .dossier-flag {
  text-transform: none;
}

.project-name {
  margin: 0 0 0.3rem;
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 700;
}

.project-tagline {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.96rem;
}

.project-links {
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 0.1rem;
  transition: gap 0.15s ease, color 0.15s ease;
}

.project-link i {
  font-size: 0.78rem;
  color: var(--accent);
}

.project-link:hover,
.project-link:focus-visible {
  gap: 0.65rem;
  color: var(--accent);
}

.project-body {
  margin-top: 1.1rem;
  color: var(--muted);
}

.project-body p {
  margin: 0 0 0.85rem;
}

.project-code {
  margin: 0 0 0.9rem;
  background: var(--ink-panel);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  overflow-x: auto;
}

.project-code code {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-panel-text);
  white-space: pre;
}

.project-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.project-bullets li {
  position: relative;
  padding-inline-start: 1.3rem;
  font-size: 0.92rem;
  color: var(--ink);
}

.project-bullets li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.5em;
  width: 7px;
  height: 1.5px;
  background: var(--accent);
}

.project-tags {
  margin-top: 1.2rem;
}

/* ---------- Experience — service ledger ---------- */
.impact-metrics {
  margin-top: 1.3rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.impact-metric {
  padding: 0.85rem 1rem;
  border-inline-end: 1px solid var(--line);
}

.impact-metric:last-child {
  border-inline-end: none;
}

.impact-metric strong {
  display: block;
  color: var(--ink);
  font-size: 1.1rem;
  font-family: var(--font-mono);
}

.impact-metric span {
  color: var(--muted);
  font-size: 0.83rem;
}

.ledger {
  margin-top: 0.5rem;
  border-top: 1px solid var(--line-strong);
}

.ledger-row {
  position: relative;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.ledger-row.is-current {
  border-inline-start: 3px solid var(--accent);
  padding-inline-start: 1.1rem;
  margin-inline-start: -1.1rem;
}

.ledger-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 0.2rem;
}

.ledger-row.is-current .ledger-period {
  color: var(--accent);
}

.ledger-active-tag {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
}

[dir="rtl"] .ledger-active-tag {
  text-transform: none;
}

.ledger-main h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--ink);
  font-weight: 700;
}

.ledger-company {
  font-weight: 600;
  color: var(--muted);
}

.ledger-main ul {
  margin: 0.75rem 0 0;
  padding-inline-start: 1.05rem;
  color: var(--muted);
}

.ledger-main ul li {
  margin-bottom: 0.3rem;
}

.pill-group {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pill {
  border: 1px solid var(--line-strong);
  color: var(--muted);
  border-radius: var(--radius-sm);
  padding: 0.18rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
}

/* ---------- Education / certs ---------- */
.tag {
  display: inline-block;
  margin-bottom: 0.65rem;
  border-radius: var(--radius-sm);
  padding: 0.14rem 0.6rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.76rem;
}

/* ---------- Languages ---------- */
.lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.lang-row strong {
  font-size: 1rem;
  color: var(--ink);
}

.lang-row .level {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.lang-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-sunken);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

.lang-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.lang-bar.fill span {
  width: var(--w, 0%);
}

/* ---------- Contact — title block ---------- */
.contact-block {
  margin-top: 1.9rem;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-row {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  padding: 1.3rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  border-inline-end: 1px solid var(--line-strong);
  border-block-end: 1px solid var(--line-strong);
  transition: background-color 0.15s ease;
}

.contact-row:nth-child(2n) {
  border-inline-end: none;
}

.contact-row:nth-last-child(-n + 2) {
  border-block-end: none;
}

a.contact-row:hover,
a.contact-row:focus-visible {
  background: var(--accent-soft);
}

.contact-row h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  font-weight: 600;
}

[dir="rtl"] .contact-row h3 {
  text-transform: none;
}

.contact-row h3 i {
  color: var(--accent);
}

.contact-row .value {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  word-break: break-word;
  font-size: 1.02rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--surface-sunken);
  border-top: 1px solid var(--line-strong);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.footer-social {
  display: flex;
  gap: 0.55rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 0.95rem;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  inset-inline-end: 1.3rem;
  bottom: 1.3rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--ink);
  background: var(--accent);
  color: var(--ink);
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1000;
}

.to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  transform: translate(-3px, -3px);
  box-shadow: 3px 3px 0 var(--ink);
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .skill-grid,
  .card-grid-3,
  .card-grid-2,
  .impact-metrics,
  .spec-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dossier-item {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .dossier-diagram {
    max-width: 320px;
  }

  .dossier-number {
    position: static;
    display: block;
    margin-bottom: 0.6rem;
  }
}

@media (max-width: 760px) {
  .section-padding {
    padding: 3.75rem 0;
  }

  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    inset-inline: 1rem;
    top: 68px;
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    display: flex;
  }

  .hero-stats,
  .skill-grid,
  .card-grid-3,
  .card-grid-2,
  .impact-metrics,
  .spec-block,
  .contact-block {
    grid-template-columns: 1fr;
  }

  .spec-row,
  .contact-row {
    border-inline-end: none !important;
  }

  .lang-switch span {
    display: none;
  }

  .ledger-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation: none !important;
    transition: none !important;
  }

  .term-line {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   RTL (Persian)
   Logical properties handle most of the flip automatically. What remains:
   font stack, disabling letter-spacing (breaks Persian glyph joining) and
   uppercase transforms (harmless no-op on Farsi, but reset for the few
   labels where embedded Latin terms would otherwise get capitalised).
   ========================================================================== */
[dir="rtl"] {
  --font-body: "Vazir", "Segoe UI", Tahoma, sans-serif;
}

[dir="rtl"] .typed-wrap {
  font-family: var(--font-body);
  font-weight: 700;
}

[dir="rtl"] * {
  letter-spacing: normal;
}

[dir="rtl"] .nav-links a::before {
  font-family: var(--font-mono);
}