:root {
  --bg: #1c1917;
  --bg-2: #292524;
  --bg-3: #312e2b;
  --border: #3c3836;
  --border-2: #504945;
  --text: #fafaf9;
  --text-2: #a8a29e;
  --text-3: #78716c;
  --text-4: #57534e;
  --amber: #f59e0b;
  --amber-2: #fcd34d;
  --amber-bg: rgba(245, 158, 11, 0.10);
  --amber-bd: rgba(245, 158, 11, 0.28);
  --green: #4ade80;
  --green-bg: rgba(74, 222, 128, 0.10);
  --green-bd: rgba(74, 222, 128, 0.25);
  --purple: #a78bfa;
  --purple-bg: rgba(167, 139, 250, 0.10);
  --purple-bd: rgba(167, 139, 250, 0.25);
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --r: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 62px;
  background: rgba(28, 25, 23, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 0.5px solid var(--border);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active {
  color: var(--amber);
}

.nav-avail {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--text-3);
}

.avail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green);
  animation: blink 2.5s ease-in-out infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .35
  }
}

/* ── SHARED SECTION ── */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 2.5rem;
  border-top: 0.5px solid var(--border);
}

.section-label {
  font-size: 1.2rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 2.25rem;
}

/* ── BUTTONS ── */
.btn-fill {
  padding: .65rem 1.5rem;
  background: var(--amber);
  color: #1c1917;
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  transition: background .2s, transform .15s;
  display: inline-block;
}

.btn-fill:hover {
  background: var(--amber-2);
  transform: translateY(-1px);
}

.btn-outline {
  padding: .65rem 1.5rem;
  border: 0.5px solid var(--border-2);
  color: var(--text-2);
  font-size: .88rem;
  text-decoration: none;
  border-radius: 6px;
  transition: border-color .2s, color .2s;
  display: inline-block;
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--text);
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.skill-block {
  background: var(--bg-2);
  padding: 1.5rem;
  transition: background .2s;
}

.skill-block:hover {
  background: var(--bg-3);
}

.skill-block h3 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: .6rem;
}

.skill-block p {
  font-size: .85rem;
  color: var(--text-3);
  line-height: 1.65;
}

/* ── TIMELINE ── */
.timeline {
  display: flex;
  flex-direction: column;
}

.tl-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 0.5px solid var(--border);
}

.tl-item:first-child {
  border-top: 0.5px solid var(--border);
}

.tl-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.tl-date {
  font-size: .78rem;
  color: var(--text-3);
}

.tl-now {
  display: inline-block;
  padding: 2px 9px;
  background: var(--amber-bg);
  border: 0.5px solid var(--amber-bd);
  border-radius: 20px;
  font-size: .68rem;
  color: var(--amber);
  width: fit-content;
}

.tl-right h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 3px;
}

.tl-company {
  font-size: .82rem;
  color: var(--amber);
  margin-bottom: .85rem;
}

.tl-right ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.tl-right ul li {
  font-size: .9rem;
  color: var(--text-2);
  padding-left: 1rem;
  border-left: 1.5px solid var(--border-2);
  line-height: 1.6;
}

.tl-right ul li strong {
  color: var(--text);
  font-weight: 500;
}

/* ── EDUCATION ── */
.edu-row {
  display: flex;
  margin-top: 2.5rem;
  border: 0.5px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.edu-item {
  flex: 1;
  padding: 1.5rem;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.edu-divider {
  width: 0.5px;
  background: var(--border);
}

.edu-deg {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
}

.edu-school {
  font-size: .8rem;
  color: var(--text-3);
}

/* ── CONTACT ── */
.contact-heading {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 3.5vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.contact-heading em {
  font-style: italic;
  color: var(--amber);
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-links a {
  font-size: .9rem;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 0.5px solid var(--border-2);
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}

.contact-links a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ── FOOTER ── */
.footer {
  text-align: center;
  padding: 2rem;
  font-size: .75rem;
  color: var(--text-4);
  border-top: 0.5px solid var(--border);
  max-width: 100%;
}

/* ── DASHBOARD SHARED (used in projects page) ── */
.dash-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 2rem;
}

.dash-metric {
  background: var(--bg-3);
  border: 0.5px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dash-metric.hi {
  background: var(--amber-bg);
  border-color: var(--amber-bd);
}

.dm-val {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--text);
  line-height: 1;
}

.dash-metric.hi .dm-val {
  color: var(--amber);
}

.dm-lbl {
  font-size: .68rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.dash-block {
  margin-bottom: 2rem;
}

.dash-block-title {
  font-family: var(--serif);
  font-size: .95rem;
  font-weight: 400;
  color: var(--text-2);
  margin-bottom: .9rem;
  padding-bottom: .65rem;
  border-bottom: 0.5px solid var(--border);
}

.pred-table {
  display: flex;
  flex-direction: column;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.pt-head,
.pt-row {
  display: grid;
  grid-template-columns: 115px 1fr 105px 105px 125px 100px;
  gap: .75rem;
  padding: .65rem 1rem;
  align-items: center;
  font-size: .83rem;
}

.pt-head {
  font-size: .65rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-4);
  background: var(--bg-3);
  border-bottom: 0.5px solid var(--border);
}

.pt-row {
  border-bottom: 0.5px solid var(--border);
  color: var(--text-2);
}

.pt-row:last-child {
  border-bottom: none;
}

.pt-row.sb {
  background: rgba(245, 158, 11, .04);
}

.pick {
  color: var(--amber);
  font-weight: 500;
}

.mbadge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: .66rem;
  background: var(--bg);
  border: 0.5px solid var(--border-2);
  color: var(--text-3);
}

.mbadge.rnn {
  background: var(--purple-bg);
  border-color: var(--purple-bd);
  color: var(--purple);
}

.rbadge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: .66rem;
  background: var(--green-bg);
  border: 0.5px solid var(--green-bd);
  color: var(--green);
}

.predictor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.p-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.fg-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-bottom: 9px;
}

.fg-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 9px;
  margin-bottom: 9px;
}

.fg {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fg label {
  font-size: .66rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.sel,
.inp {
  background: var(--bg);
  border: 0.5px solid var(--border-2);
  color: var(--text);
  font-family: var(--sans);
  font-size: .82rem;
  padding: 7px 9px;
  border-radius: 6px;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}

.sel:focus,
.inp:focus {
  border-color: var(--amber);
}

.pred-btn {
  margin-top: 12px;
  padding: 9px;
  width: 100%;
  background: var(--amber);
  color: #1c1917;
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.pred-btn:hover {
  background: var(--amber-2);
  transform: translateY(-1px);
}

.pred-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

.api-note {
  margin-top: 7px;
  font-size: .7rem;
  color: var(--text-4);
}

.api-note.ok {
  color: var(--green);
}

.api-note.err {
  color: #f87171;
}

.p-output {
  border: 0.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.p-placeholder {
  text-align: center;
  color: var(--text-4);
  font-size: .85rem;
  padding: 2rem;
}

.p-result {
  display: none;
  width: 100%;
  padding: 1.5rem;
}

.p-result.show {
  display: block;
}

.pr-label {
  font-size: .66rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 5px;
}

.pr-winner {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--amber);
  margin-bottom: 1.25rem;
  line-height: 1;
}

.pr-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: .7rem;
  color: var(--text-3);
  margin-bottom: 5px;
}

.pr-bar {
  height: 5px;
  background: var(--bg-2);
  border-radius: 3px;
  overflow: hidden;
}

.pr-bar-fill {
  height: 100%;
  background: var(--amber);
  transition: width .6s ease;
}

.pr-pcts {
  display: flex;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--text);
  font-weight: 500;
  margin-top: 5px;
}

.pr-note {
  font-size: .7rem;
  color: var(--text-4);
  margin-top: 1rem;
}

.chart-sort {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
}

.sort-btn {
  padding: 5px 13px;
  border: 0.5px solid var(--border-2);
  background: transparent;
  color: var(--text-3);
  font-family: var(--sans);
  font-size: .76rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all .2s;
}

.sort-btn.active {
  border-color: var(--amber-bd);
  color: var(--amber);
  background: var(--amber-bg);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .tl-item {
    grid-template-columns: 1fr;
    gap: .5rem;
  }

  .dash-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .predictor-grid {
    grid-template-columns: 1fr;
  }

  .pt-head {
    display: none;
  }

  .pt-row {
    grid-template-columns: 1fr 1fr;
    row-gap: 3px;
  }

  .fg-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 0 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .section {
    padding: 3.5rem 1.25rem;
  }

  .edu-row {
    flex-direction: column;
  }

  .edu-divider {
    width: 100%;
    height: 0.5px;
  }

  .dash-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}