/* ── Design Tokens ───────────────────────────────────────────── */
:root {
  --bg:         #F6F7F9;
  --surface:    #FFFFFF;
  --surface-2:  #FBFBFC;
  --border:     #E7E9EE;
  --text:       #15181E;
  --muted:      #5C6470;
  --faint:      #8A93A0;
  --accent:     #7A1228;
  --accent-2:   #9B2335;
  --accent-dim: rgba(122, 18, 40, .07);
  --good:       #0F7A52;
  --good-dim:   rgba(15, 122, 82, .10);
  --r:          14px;
  --r-sm:       9px;
  --sh-sm:  0 1px 2px rgba(16,20,30,.05), 0 1px 3px rgba(16,20,30,.04);
  --sh-md:  0 6px 18px -6px rgba(16,20,30,.12), 0 2px 6px -2px rgba(16,20,30,.06);
  --sh-lg:  0 18px 40px -12px rgba(16,20,30,.18);
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ── App Shell ───────────────────────────────────────────────── */
.app {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  flex: 0 0 272px;
  align-self: flex-start;
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 26px 22px;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.brand img {
  width: 48px;
  height: 48px;
  border-radius: 11px;
  object-fit: cover;
  border: 1.5px solid var(--accent);
  flex-shrink: 0;
}
.brand .b-name {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.brand .b-role {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
  margin-bottom: 4px;
  line-height: 1.4;
}

.status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 18px 0 4px;
  font-size: 11.5px;
  color: var(--muted);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px var(--good-dim);
  flex-shrink: 0;
}

.spons-note {
  font-size: 10.5px;
  color: var(--good);
  font-weight: 600;
  padding: 0 0 6px;
  letter-spacing: .01em;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 18px;
}
.nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 0 12px;
  margin-bottom: 8px;
}
.nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  transition: .16s;
  min-height: 40px;
  -webkit-tap-highlight-color: transparent;
}
.nav a:hover  { background: var(--surface-2); color: var(--text); }
.nav a.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.nav a svg    { flex-shrink: 0; opacity: .55; transition: .16s; }
.nav a:hover svg, .nav a.active svg { opacity: 1; }

.side-foot {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.side-foot .btn {
  min-height: 36px;
  padding: 7px 14px;
  font-size: 13px;
}
.btn svg { flex-shrink: 0; }
.built-note {
  font-size: 10px;
  color: var(--faint);
  text-align: center;
  line-height: 1.5;
  margin-top: 2px;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  min-height: 44px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: .16s;
  border: 1px solid transparent;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover {
  background: #5e0d1f;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -4px rgba(122, 18, 40, .45);
}
.btn-ghost { border-color: var(--border); color: var(--muted); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── Main content area ───────────────────────────────────────── */
.main {
  flex: 1;
  min-width: 0;
  position: relative;
  padding: 30px 38px 60px;
  background-image:
    linear-gradient(rgba(16,20,30,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,20,30,.022) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* ── Topbar ──────────────────────────────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
}
.crumb { font-size: 12px; color: var(--faint); letter-spacing: .02em; }
.crumb b { color: var(--muted); font-weight: 600; }
.crumb a { color: var(--accent); font-weight: 600; }
.crumb a:hover { text-decoration: underline; }
.topbar h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-top: 5px;
}
.topbar .meta { display: flex; gap: 9px; flex-wrap: wrap; align-items: flex-end; }
.pill {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── Language Toggle ─────────────────────────────────────────── */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 100px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-opt {
  display: flex;
  align-items: center;
  padding: 5px 13px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  transition: .16s;
  white-space: nowrap;
}
.lang-opt + .lang-opt  { border-left: 1px solid var(--border); }
.lang-opt.lang-active  { background: var(--accent); color: #fff; font-weight: 600; }
a.lang-opt:hover       { background: var(--surface-2); color: var(--text); }
.lang-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.lang-hint {
  font-size: 9.5px;
  color: var(--faint);
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── KPI Tiles ───────────────────────────────────────────────── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  box-shadow: var(--sh-sm);
  position: relative;
  overflow: hidden;
}
.kpi::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -18px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--accent-dim);
}
.kpi .k-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
}
.kpi .k-val {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.03em;
  margin-top: 8px;
  line-height: 1;
}
.kpi .k-val span { font-size: 16px; color: var(--accent); }
.kpi .k-sub { font-size: 12px; color: var(--muted); margin-top: 7px; }

/* ── Section wrapper ─────────────────────────────────────────── */
.section { margin-bottom: 30px; scroll-margin-top: 24px; }
.s-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}
.s-head h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.s-head h2 .tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 8px;
  border-radius: 6px;
}
.s-head .s-note { font-size: 12px; color: var(--faint); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-sm);
}

/* ── Value Prop ──────────────────────────────────────────────── */
.valuecard {
  padding: 30px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
}
.valuecard .vp {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.4;
  max-width: 680px;
}
.valuecard .vp b { color: var(--accent); font-weight: 700; }
.valuecard .vp-sub {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 14px;
  font-weight: 400;
}
.spark {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 84px;
  flex-shrink: 0;
}
.spark i {
  width: 13px;
  border-radius: 4px 4px 2px 2px;
  background: linear-gradient(var(--accent-2), var(--accent));
  opacity: .85;
  display: block;
}

/* ── Skills Matrix ───────────────────────────────────────────── */
.matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.mtile { padding: 20px; }
.mtile h3 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mtile h3::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--accent);
  flex-shrink: 0;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 7px;
  transition: .16s;
  cursor: default;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.chip.solid  { background: var(--accent-dim); border-color: transparent; color: var(--accent); font-weight: 600; }

/* ── Read More ───────────────────────────────────────────────── */
details.read-more-wrap { margin-top: 6px; }
details.read-more-wrap summary {
  list-style: none;
  cursor: pointer;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
details.read-more-wrap summary::-webkit-details-marker { display: none; }
details.read-more-wrap summary::after { content: " ↓"; font-size: 10px; }
details.read-more-wrap[open] summary::after { content: " ↑"; }
details.read-more-wrap .full-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
  animation: rmFadeIn .2s ease;
}
.proj details.read-more-wrap .full-text { font-size: 12.5px; }
@keyframes rmFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Experience ──────────────────────────────────────────────── */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.exp {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: .18s;
}
.exp:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }
.e-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.e-co   { font-size: 12px; font-weight: 600; color: var(--accent); }
.e-when { font-size: 11px; color: var(--faint); white-space: nowrap; }
.e-role { font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.e-loc  { font-size: 11.5px; color: var(--muted); margin-top: -6px; }
.exp p  { font-size: 13px; color: var(--muted); line-height: 1.6; }
.e-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.e-chips .chip { font-size: 11px; padding: 3px 9px; }
.exp.muted .e-co { color: var(--muted); }
.exp.span2 { grid-column: span 2; }

/* ── Projects ────────────────────────────────────────────────── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.proj {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: .18s;
  cursor: pointer;
}
.proj:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }

.proj .viz {
  height: 118px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 14px;
  gap: 8px;
}
.proj .viz.bars i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(var(--accent-2), var(--accent));
  opacity: .8;
}
.proj .viz .vlabel {
  position: absolute;
  top: 11px;
  left: 14px;
  font-size: 9.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
.proj .viz.line svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.proj .viz.donut { align-items: center; justify-content: center; }

.proj .p-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.proj .p-co {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}
.proj .p-title  { font-size: 15px; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; }
.proj .p-desc   { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.proj .p-chips  { display: flex; flex-wrap: wrap; gap: 5px; }
.proj .p-chips .chip { font-size: 10.5px; padding: 3px 8px; }
.proj .p-impact {
  margin-top: auto;
  font-size: 12px;
  color: var(--text);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.proj .p-impact .ar { color: var(--good); font-weight: 700; }

.est { border-bottom: 1px dotted var(--faint); cursor: help; }
.est sup { font-size: 8.5px; color: var(--faint); letter-spacing: .04em; margin-left: 2px; font-weight: 600; }

.legend {
  font-size: 11px;
  color: var(--faint);
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 7px;
}

/* ── Contact ─────────────────────────────────────────────────── */
.contact-card {
  padding: 34px 36px;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: linear-gradient(120deg, var(--surface), var(--surface-2));
}
.contact-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.c-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}
.contact-card h2 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.contact-card p  { font-size: 13.5px; color: var(--muted); margin-top: 8px; max-width: 440px; }
.contact-card .c-actions { display: flex; gap: 11px; flex-wrap: wrap; }
.contact-card .contact-email-note {
  font-size: 11.5px;
  color: var(--faint);
  margin-top: 0;
  max-width: none;
}
.contact-card .contact-legal {
  font-size: 11px;
  color: var(--faint);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 0;
  max-width: none;
}

/* ── Responsive — 980px (sidebar → topbar) ───────────────────── */
@media (max-width: 980px) {
  .app { flex-direction: column; }
  .sidebar {
    position: static;
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    overflow: visible;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 14px 22px;
  }
  .brand     { border-bottom: none; padding-bottom: 0; }
  .status    { margin: 0; }
  .spons-note { display: none; }
  .nav       { flex-direction: row; flex-wrap: wrap; margin: 0; gap: 4px; }
  .nav-label { display: none; }
  .nav a     { min-height: 36px; padding: 6px 12px; }
  .side-foot { margin: 0 0 0 auto; flex-direction: row; padding: 0; }
  .kpi-row   { grid-template-columns: repeat(2, 1fr); }
  .matrix, .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .exp-grid  { grid-template-columns: 1fr; }
  .exp.span2 { grid-column: auto; }
  .valuecard { grid-template-columns: 1fr; }
  .spark     { display: none; }
}

/* ── Responsive — 620px (mobile phones) ──────────────────────── */
@media (max-width: 620px) {
  .main  { padding: 20px 16px 48px; }
  /* kpi-row intentionally omitted — stays at repeat(2,1fr) from 980px rule */
  .matrix, .proj-grid { grid-template-columns: 1fr; }
  .topbar      { flex-direction: column; align-items: flex-start; gap: 10px; }
  .topbar h1   { font-size: 22px; }
  .meta        { width: 100%; justify-content: space-between; }
  .e-top       { flex-wrap: wrap; gap: 3px; }
  .e-when      { white-space: normal; font-size: 10.5px; }
  .contact-top { flex-direction: column; align-items: flex-start; }
  .c-right     { align-items: flex-start; width: 100%; }
  .contact-card .c-actions { flex-direction: column; width: 100%; }
  .contact-card .c-actions .btn { justify-content: center; }

  /* Mobile header: single compact bar (avatar · name · icon nav · LinkedIn) */
  .sidebar           { flex-wrap: nowrap; align-items: center; gap: 8px; padding: 7px 14px; }
  .brand             { order: 1; flex: 0 0 auto; gap: 8px; }
  .brand img         { display: block; width: 34px; height: 34px; }
  .brand .b-name     { font-size: 13px; white-space: nowrap; }
  .brand .b-role     { display: none; }
  .status            { display: none; }
  .nav               { order: 2; flex: 1; flex-wrap: nowrap; justify-content: space-around; margin: 0; gap: 0; }
  .nav a             { flex: 0 1 auto; justify-content: center; min-height: 38px; padding: 6px 8px; }
  .nav a span        { display: none; }
  .side-foot         { order: 3; flex: 0 0 auto; margin: 0; }
  .side-foot .btn:not(:first-child) { display: none; }
  .side-foot .btn    { min-height: 32px; padding: 5px 11px; font-size: 12px; }
}

/* ── Responsive — 480px (small phones: iPhone SE, Moto G) ────── */
@media (max-width: 480px) {
  .lang-hint    { display: none; }
  .kpi .k-val   { font-size: 24px; }
  .main         { padding: 16px 14px 48px; }
  .contact-card { padding: 24px 20px; }
  /* Keep avatar for the personal touch, drop the name text — it's the H1 right below */
  .brand .b-name { display: none; }
}