/* ================================
   DESIGN DECISION:
   Warm off-white light mode / deep charcoal dark mode.
   Single warm amber accent — confident, not clinical.
   Instrument Serif for display, Inter for everything else.
   Maximum whitespace. Minimum decoration.
================================ */

/* DARK */
:root, [data-theme="dark"] {
  /*Gold*/
  
  /* --bg:          #111110;
  --bg-2:        #161614;
  --surface:     #1c1c1a;
  --border:      #282826;
  --border-mid:  #323230;
  --text:        #e8e6e1;
  --text-2:      #a09e99;
  --text-3:      #5a5855;
  --accent:      #d4a853;
  --accent-dim:  #a07c35;
  --badge-health-bg:   rgba(212, 168, 83, 0.1);
  --badge-health-text: #d4a853;
  --badge-health-border: rgba(212, 168, 83, 0.25);
  --badge-fintech-bg:   rgba(160, 140, 220, 0.1);
  --badge-fintech-text: #b0a0e8;
  --badge-fintech-border: rgba(160, 140, 220, 0.25);
  --badge-edu-bg:   rgba(100, 170, 140, 0.1);
  --badge-edu-text: #7dc8a8;
  --badge-edu-border: rgba(100, 170, 140, 0.25);
  --nav-bg: rgba(17, 17, 16, 0.9);
  color-scheme: dark; */
  
  /*Torquise blue*/
  --bg:        #0b1120;
  --bg-2:      #0f1729;
  --bg-3:      #131e33;
  --surface:   #172035;
  --surface-2: #1c2840;
  --border:       #1e2f4a;
  --border-light: #253858;
  --text:       #e2eaf8;
  --text-muted: #7a91b8;
  --text-faint: #3d5070;
  --accent:      #2dd4bf;
  --accent-dim:  #1a9e8e;
  --accent-dark: #0f766e;
  --accent-glow: rgba(45, 212, 191, 0.12);
  --health-color:  #2dd4bf;
  --fintech-color: #f59e6b;
  --edu-color:     #a78bfa;
  --nav-bg: rgba(11, 17, 32, 0.88);
  --hero-glow: radial-gradient(ellipse 60% 55% at 72% 38%, rgba(45, 212, 191, 0.07) 0%, transparent 68%);
  color-scheme: dark;
  --badge-health-bg:   rgba(212, 168, 83, 0.1);
  --badge-health-text: #d4a853;
  --badge-health-border: rgba(212, 168, 83, 0.25);
  --badge-fintech-bg:   rgba(160, 140, 220, 0.1);
  --badge-fintech-text: #b0a0e8;
  --badge-fintech-border: rgba(160, 140, 220, 0.25);
  --badge-edu-bg:   rgba(100, 170, 140, 0.1);
  --badge-edu-text: #7dc8a8;
  --badge-edu-border: rgba(100, 170, 140, 0.25);
}

/* LIGHT */
[data-theme="light"] {
  /* --bg:          #faf9f7;
  --bg-2:        #f3f1ee;
  --surface:     #ffffff;
  --border:      #e4e2de;
  --border-mid:  #d6d4cf;
  --text:        #1a1916;
  --text-2:      #6b6963;
  --text-3:      #aaa89f;
  --accent:      #b5863a;
  --accent-dim:  #8a6228;
  --badge-health-bg:   rgba(181, 134, 58, 0.08);
  --badge-health-text: #b5863a;
  --badge-health-border: rgba(181, 134, 58, 0.22);
  --badge-fintech-bg:   rgba(100, 80, 180, 0.07);
  --badge-fintech-text: #6450b4;
  --badge-fintech-border: rgba(100, 80, 180, 0.2);
  --badge-edu-bg:   rgba(40, 130, 100, 0.07);
  --badge-edu-text: #287a62;
  --badge-edu-border: rgba(40, 130, 100, 0.2);
  --nav-bg: rgba(250, 249, 247, 0.92);
  color-scheme: light; */

  --bg:        #f2f6fb;
  --bg-2:      #e9eff8;
  --bg-3:      #dfe8f4;
  --surface:   #ffffff;
  --surface-2: #f8fafd;
  --border:       #d4dff0;
  --border-light: #bfcfe6;
  --text:       #0d1b2e;
  --text-muted: #4a6180;
  --text-faint: #9db0c8;
  --accent:      #0d9488;
  --accent-dim:  #0f766e;
  --accent-dark: #134e4a;
  --accent-glow: rgba(13, 148, 136, 0.1);
  --health-color:  #0d9488;
  --fintech-color: #d97706;
  --edu-color:     #7c3aed;
  --nav-bg: rgba(242, 246, 251, 0.92);
  --hero-glow: radial-gradient(ellipse 60% 55% at 72% 38%, rgba(13, 148, 136, 0.06) 0%, transparent 68%);
  color-scheme: light;


}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

a { color: inherit; text-decoration: none; }

:root {
  --ff-serif: 'Instrument Serif', Georgia, serif;
  --max-w: 920px;
  --nav-h: 60px;
  --pad: 48px;
}

/* ================================
   NAV
================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}

.nav-logo {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 0.15s;
}

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

.theme-toggle {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-3);
  transition: border-color 0.2s, color 0.2s;
}

.theme-toggle:hover { border-color: var(--border-mid); color: var(--text-2); }
.theme-toggle svg { width: 14px; height: 14px; }

.icon-sun  { display: none; }
.icon-moon { display: block; }
[data-theme="light"] .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* ================================
   HERO
================================ */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 100px) var(--pad) 100px;
}

.hero--sm {
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 20px;
}

.hero-location {
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--ff-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 44px;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-title--sm {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  padding: 11px 24px;
  border-radius: 6px;
  transition: opacity 0.15s, transform 0.15s;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.15s;
}

.btn-ghost:hover { color: var(--text); }

/* ================================
   LAYOUT
================================ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px var(--pad);
}

.two-col {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0 60px;
  align-items: start;
}

.col-label {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-top: 4px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.col-body p {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 300;
}

.col-body p.lead {
  font-family: var(--ff-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  font-style: italic;
}

.col-body p:last-child { margin-bottom: 0; }

.divider {
  max-width: var(--max-w);
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--border);
}

/* ================================
   JOBS
================================ */
.job {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.job:first-child { padding-top: 0; }
.job:last-child { border-bottom: none; padding-bottom: 0; }

.job-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 10px;
}

.job-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
}

.job-company {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 2px;
}

.job-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.job-date {
  font-size: 0.75rem;
  color: var(--text-3);
  white-space: nowrap;
}

.job p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
  font-weight: 300;
}

/* ================================
   BADGES
================================ */
.badge {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 100px;
  white-space: nowrap;
}

.badge.health {
  background: var(--badge-health-bg);
  color: var(--badge-health-text);
  border: 1px solid var(--badge-health-border);
}

.badge.fintech {
  background: var(--badge-fintech-bg);
  color: var(--badge-fintech-text);
  border: 1px solid var(--badge-fintech-border);
}

.badge.edu {
  background: var(--badge-edu-bg);
  color: var(--badge-edu-text);
  border: 1px solid var(--badge-edu-border);
}

/* ================================
   SKILLS
================================ */
.skills-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.skill-block h4 {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.skill-block p {
  font-size: 0.875rem !important;
  color: var(--text-2) !important;
  line-height: 1.7 !important;
  margin-bottom: 0 !important;
}

/* ================================
   EDUCATION
================================ */
.edu-row {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.edu-note {
  font-size: 0.9rem !important;
  color: var(--text-2) !important;
  line-height: 1.7 !important;
  max-width: 340px;
}

/* ================================
   CTA
================================ */
.cta-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.cta-heading {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-sub {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-bottom: 32px;
  font-weight: 300;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* ================================
   FOOTER
================================ */
.footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px var(--pad);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-3);
}

.footer a { transition: color 0.15s; }
.footer a:hover { color: var(--text-2); }

/* ================================
   PROJECTS PAGE
================================ */
.filter-row {
  display: flex;
  gap: 8px;
  margin-top: 0;
}

.filter-btn {
  font-size: 0.75rem;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover { border-color: var(--border-mid); }
.filter-btn.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.projects-wrap {
  max-width: var(--max-w);
  margin: 40px auto 0;
  padding: 0 var(--pad);
}

.project {
  border-top: 1px solid var(--border);
  transition: opacity 0.25s;
}

.project:last-child { border-bottom: 1px solid var(--border); }
.project.hidden { display: none; }

.project-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  gap: 20px;
  text-align: left;
}

.project-trigger:hover .project-name { color: var(--accent); }

.project-trigger-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.project-num {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  width: 24px;
  flex-shrink: 0;
}

.project-name {
  font-family: var(--ff-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
  transition: color 0.15s;
}

.project-sub {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 2px;
  font-weight: 300;
}

.project-trigger-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.chevron {
  font-size: 0.9rem;
  color: var(--text-3);
  transition: transform 0.25s;
  line-height: 1;
}

.project-trigger[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* Project body */
.project-body {
  padding: 0 0 40px 48px;
  animation: slideDown 0.25s ease;
}

.project-body[hidden] { display: none; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.case-block { }
.case-block--full { grid-column: 1 / -1; }

.case-label {
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.case-block p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.78;
  font-weight: 300;
}

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

.case-list li {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
  font-weight: 300;
}

.case-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--text-3);
}

.personas {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.persona {
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: background 0.3s, border-color 0.3s;
}

.persona strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.persona p {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.6;
  font-weight: 300;
}

.case-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.case-stack span {
  font-size: 0.72rem;
  color: var(--text-3);
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 4px;
  transition: background 0.3s, border-color 0.3s;
}

/* ================================
   SCROLL REVEAL
================================ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 760px) {
  :root { --pad: 24px; }

  .nav-logo { font-size: 0.85rem; }
  .nav-right { gap: 16px; }

  .hero { padding-top: calc(var(--nav-h) + 64px); padding-bottom: 64px; }
  .hero--sm { padding-top: calc(var(--nav-h) + 48px); }
  .hero-title { font-size: clamp(2.2rem, 10vw, 3.5rem); }

  .two-col { grid-template-columns: 1fr; gap: 16px; }
  .col-label { position: static; margin-bottom: 0; }

  .skills-row { grid-template-columns: 1fr; gap: 24px; }

  .edu-row { flex-direction: column; gap: 12px; }

  .job-head { flex-direction: column; gap: 8px; }
  .job-meta { align-items: flex-start; }

  .case-grid { grid-template-columns: 1fr; gap: 24px; }

  .project-body { padding-left: 0; }
  .project-trigger-left { gap: 14px; }

  .footer { flex-direction: column; gap: 6px; }
}