:root {
  --bg: #f7f5f0;
  --bg2: #efecea;
  --ink: #1a1814;
  --ink2: #6b6660;
  --ink3: #9e9890;
  --teal: #1a7a64;
  --teal-light: #e8f4f1;
  --red: #c0392b;
  --border: rgba(26,24,20,0.1);
  --radius: 2px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Mono', monospace;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
}

/* custom cursor — only on true pointer devices; touch/keyboard users keep the OS cursor */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  .cursor {
    width: 8px; height: 8px;
    background: var(--teal);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease;
    transform: translate(-50%, -50%);
  }
  .cursor-ring {
    width: 32px; height: 32px;
    border: 1px solid var(--teal);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.08s ease, width 0.2s, height 0.2s, opacity 0.2s;
    transform: translate(-50%, -50%);
    opacity: 0.5;
  }
}

/* nav */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 4rem;
  background: rgba(247,245,240,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo span { color: var(--teal); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink2);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--teal);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.nav-active { color: var(--teal); }
.nav-links a.nav-active::after { transform: scaleX(1); }

/* sections */
section { padding: 7rem 4rem; max-width: 1100px; margin: 0 auto; }

/* HERO */
#home {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 8rem;
  max-width: 100%;
  padding-left: 4rem; padding-right: 4rem;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--teal);
}
.tw-cursor {
  display: inline-block;
  color: var(--teal);
  font-weight: 400;
  margin-left: 1px;
  animation: twBlink 0.75s step-end infinite;
}
@keyframes twBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
.hero-name {
  font-family: 'Fraunces', serif;
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero-name em {
  font-style: italic;
  color: var(--teal);
}
.hero-desc {
  font-size: 13px;
  color: var(--ink2);
  max-width: 400px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 28px;
  background: var(--ink);
  color: var(--bg);
  border: none;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--teal); }
.btn-outline {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 28px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }

/* CV download — hero button */
.btn-cv {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 24px;
  background: var(--teal);
  color: var(--bg);
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 12px rgba(26,122,100,0.25);
}
.btn-cv:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,122,100,0.4); }
.btn-cv:hover .cv-arrow { transform: translateY(3px); }
.cv-arrow { transition: transform 0.2s ease; }


.hero-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 2rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.stat-box {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.2s;
}
.stat-box:hover { background: var(--teal-light); }
.stat-num {
  font-family: 'Fraunces', serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-num span { color: var(--teal); }
.stat-label { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink3); }

.hero-tagline {
  margin-top: 2rem;
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  color: var(--ink2);
  border-left: 2px solid var(--teal);
  padding-left: 1rem;
}

/* section headers */
.section-header { margin-bottom: 3rem; }
.section-eyebrow {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 10px;
}
.section-eyebrow::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--teal); }
.section-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.1;
}

/* about */
#about { background: var(--bg); }
.about-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start; }
.about-left { position: sticky; top: 6rem; }
.about-initial {
  font-family: 'Fraunces', serif;
  font-size: 160px;
  font-weight: 300;
  line-height: 1;
  color: var(--bg2);
  margin-bottom: -1rem;
  user-select: none;
}
.about-text p { color: var(--ink2); margin-bottom: 1rem; font-size: 13px; }
.about-text p strong { color: var(--ink); font-weight: 400; }
.about-details { margin-top: 2rem; display: flex; flex-direction: column; gap: 8px; }
.about-detail { display: flex; gap: 12px; font-size: 12px; }
.about-detail-label { color: var(--ink3); min-width: 80px; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 2px; }
.about-detail-val { color: var(--ink); }

/* experience toggle */
/* timeline */
.exp-timeline {
  position: relative;
  padding: 0.5rem 0 2rem;
}
.tl-spine {
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
  transform: translateX(-50%);
}
.tl-spine-fill {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 0%;
  background: var(--teal);
  transform: translateX(-50%);
  transition: height 0.6s ease;
}
.tl-entry {
  display: flex;
  align-items: flex-start;
  margin-bottom: 3.5rem;
  position: relative;
  gap: 2.5rem;
}
.tl-right { flex-direction: row; }
.tl-left  { flex-direction: row-reverse; }

.tl-dot {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1px solid var(--teal);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  transition: background 0.3s;
}
.tl-dot-inner {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  transition: transform 0.3s;
}
.tl-entry:hover .tl-dot { background: var(--teal-light); }
.tl-entry:hover .tl-dot-inner { transform: scale(1.4); }

.tl-year {
  width: calc(50% - 2.5rem - 16px);
  text-align: right;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  padding-top: 6px;
  flex-shrink: 0;
}
.tl-left .tl-year { text-align: left; }

.tl-card {
  width: calc(50% - 2.5rem - 16px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  padding: 1.5rem 1.75rem;
  transition: border-left-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.tl-card:hover {
  border-left-color: var(--teal);
  box-shadow: 5px 5px 0 var(--teal-light);
  transform: translateY(-3px);
}
.tl-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}
.tl-card-title {
  font-family: 'Fraunces', serif;
  font-size: 17px;
  font-weight: 300;
  color: var(--ink);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}
.tl-card-org {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink2);
  text-transform: uppercase;
}
.tl-loc { color: var(--ink3); }

/* company logo */
.tl-monogram {
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  border-radius: 4px;
  border: none;
}
.tl-card:hover .tl-monogram {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px var(--teal-light);
}
.tl-monogram img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 4px;
}
.tl-card-title-block { flex: 1; }

/* live pulse badge */
.exp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.exp-badge-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  position: relative;
}
.exp-badge-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #22c55e;
  opacity: 0.4;
  animation: pulse-ring 1.6s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: 0.4; }
  70%  { transform: scale(2.2); opacity: 0;   }
  100% { transform: scale(2.2); opacity: 0;   }
}
.tl-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 12.5px;
  color: var(--ink2);
  line-height: 1.75;
}
.tl-bullets li {
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.3rem;
}
.tl-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 10px;
  top: 4px;
}

/* duration bar */
.tl-duration {
  height: 2px;
  background: var(--border);
  margin-top: 10px;
  overflow: hidden;
}
.tl-duration-fill {
  height: 100%;
  width: 0;
  background: var(--teal);
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.tl-duration-fill.animated { width: var(--dur-pct); }

/* dot pop-in */
@keyframes dot-pop {
  0%   { transform: translate(-50%,-50%) scale(0); opacity: 0; }
  60%  { transform: translate(-50%,-50%) scale(1.5); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1); opacity: 1; }
}
.tl-dot.dot-pop { animation: dot-pop 0.45s cubic-bezier(0.34,1.56,0.64,1) both; }

/* expand bullets button */
.exp-expand-btn {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-top: 0.4rem;
  display: block;
}
.exp-expand-btn:hover { text-decoration: underline; }

/* cert cards */
.cert-card {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.5rem;
  position: relative;
}
a.cert-card-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a.cert-card-link:hover,
.cert-card-link:hover {
  border-color: var(--teal);
  box-shadow: 3px 3px 0 var(--teal-light);
}
.cert-platform {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
  border: 1px solid var(--border);
  padding: 2px 7px;
  display: inline-block;
  width: fit-content;
}
.cert-platform--dlai {
  color: var(--teal);
  border-color: var(--teal);
}
.cert-arrow {
  font-size: 14px;
  color: var(--teal);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  align-self: flex-end;
  margin-top: auto;
}
a.cert-card-link:hover .cert-arrow,
.cert-card-link:hover .cert-arrow { opacity: 1; transform: translate(2px,-2px); }


/* education */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.edu-card {
  border: 1px solid var(--border);
  padding: 2rem 2.25rem;
  background: var(--bg);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.edu-card:hover {
  border-color: var(--teal);
  box-shadow: 4px 4px 0 var(--teal-light);
  transform: translateY(-2px);
}
.edu-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.edu-degree-wrap {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.edu-tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid var(--teal);
  padding: 3px 8px;
  margin-top: 3px;
  white-space: nowrap;
}
.edu-degree {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}
.edu-degree em { font-style: italic; color: var(--ink2); }
.edu-school {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink2);
}
.edu-grade { text-align: right; flex-shrink: 0; }
.edu-grade-num {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 300;
  color: var(--teal);
  line-height: 1;
}
.edu-grade-num span {
  font-size: 14px;
  color: var(--ink3);
}
.edu-grade-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-top: 4px;
  text-align: right;
}
.edu-year {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 0.75rem;
}
.edu-bar-wrap {
  height: 2px;
  background: var(--border);
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.edu-bar {
  height: 100%;
  width: 0%;
  background: var(--teal);
  transition: width 1s ease 0.3s;
}
.edu-bar.animated { width: var(--pct); }
.edu-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.edu-topic {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink2);
  background: var(--bg2);
  padding: 3px 10px;
  border: 1px solid var(--border);
}
.edu-pivot-note {
  max-width: 1100px;
  margin: 0 auto 2.5rem;
  padding: 0 2.5rem;
  font-size: 13px;
  color: var(--ink2);
  line-height: 1.75;
  font-style: italic;
  border-left: 3px solid var(--border);
  padding-left: 1.25rem;
}
.edu-location {
  font-size: 10px;
  color: var(--ink3);
  margin-top: 3px;
  letter-spacing: 0.04em;
}
.edu-capstone {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--teal);
  border-left: 3px solid var(--teal);
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.edu-capstone-label {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  font-family: 'DM Mono', monospace;
}
.edu-capstone-title {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}
.edu-capstone-desc {
  font-size: 12px;
  color: var(--ink2);
  line-height: 1.7;
  margin: 0;
}
.edu-capstone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 0.15rem;
}
.edu-capstone-tags span {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--ink3);
}
.edu-capstone-link {
  font-size: 11px;
  color: var(--teal);
  text-decoration: none;
  width: fit-content;
  margin-top: 0.2rem;
  transition: opacity 0.2s;
}
.edu-capstone-link:hover { opacity: 0.7; }

/* skills */
#skills { background: var(--bg2); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.skill-group {
  background: var(--bg2);
  padding: 2rem;
  transition: background 0.2s;
}
.skill-group:hover { background: var(--bg); }
.skill-group-title { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.skill-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.skill-list li { font-size: 12px; color: var(--ink2); display: flex; align-items: center; gap: 8px; }
.skill-list li::before { content: '—'; color: var(--ink3); font-size: 10px; }

/* experience */
#experience { background: var(--bg); }
.exp-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 1rem; }
.exp-tag { font-size: 10px; padding: 2px 8px; border: 1px solid var(--border); color: var(--ink3); }

/* projects */
#projects { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.project-card {
  background: var(--bg2);
  padding: 2rem;
  display: flex; flex-direction: column;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}
.project-card:hover { background: var(--bg); }
.project-card:hover .project-arrow { transform: translate(3px, -3px); }
.project-num { font-family: 'Fraunces', serif; font-size: 48px; font-weight: 300; color: var(--bg); line-height: 1; margin-bottom: 1rem; user-select: none; }
.project-title { font-family: 'Fraunces', serif; font-size: 18px; font-weight: 300; margin-bottom: 0.5rem; }
.project-desc { font-size: 12px; color: var(--ink2); flex: 1; margin-bottom: 1rem; line-height: 1.7; }
.project-tech { font-size: 10px; color: var(--teal); letter-spacing: 0.08em; }
.project-arrow { display: inline-block; font-size: 18px; color: var(--teal); transition: transform 0.2s; margin-top: 1rem; }

/* certifications */
#certifications { background: var(--bg); }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-bottom: none;
}
.cert-card {
  background: var(--bg);
  padding: 1.75rem 2rem;
  transition: background 0.2s;
}
.cert-card:hover { background: var(--teal-light); }
.cert-name { font-size: 13px; color: var(--ink); line-height: 1.4; flex: 1; }
.cert-issuer { font-size: 11px; color: var(--ink3); margin-top: -0.15rem; }

/* Awards */
.award-sub-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink3);
  padding: 1.75rem 0 0.75rem;
}
.award-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.award-card {
  background: var(--bg2);
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: background 0.2s;
}
.award-card:hover { background: var(--teal-light); }
.award-trophy { font-size: 22px; margin-bottom: 0.5rem; line-height: 1; }
.award-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
}
.award-name {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.15;
}
.award-org {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink3);
}
.award-desc {
  font-size: 12px;
  color: var(--ink2);
  line-height: 1.5;
  margin-top: 0.4rem;
}

/* contact */
#contact { background: var(--ink); color: var(--bg); max-width: 100%; padding: 7rem 4rem; }
.contact-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.contact-title { font-family: 'Fraunces', serif; font-size: clamp(36px, 5vw, 64px); font-weight: 300; line-height: 1.1; margin-bottom: 1rem; }
.contact-title em { color: var(--teal); font-style: italic; }
.contact-links { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.contact-link { display: flex; align-items: center; gap: 12px; color: var(--bg); text-decoration: none; font-size: 13px; transition: color 0.2s; }
.contact-link:hover { color: var(--teal); }
.contact-link-icon { width: 36px; height: 36px; border: 1px solid rgba(247,245,240,0.15); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.contact-right {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 2px solid transparent;
  transition: border-left-color 0.25s, background 0.25s;
}
.contact-detail:hover {
  border-left-color: var(--teal);
  background: rgba(26,122,100,0.08);
}
.contact-detail-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(26,122,100,0.15);
  border: 1px solid rgba(26,122,100,0.3);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
  transition: background 0.25s, border-color 0.25s;
}
.contact-detail:hover .contact-detail-icon {
  background: rgba(26,122,100,0.25);
  border-color: var(--teal);
}
.contact-detail-icon svg { width: 15px; height: 15px; }
.contact-detail-text { flex: 1; min-width: 0; }
.contact-detail-label { font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(247,245,240,0.45); margin-bottom: 3px; }
.contact-detail-val { font-size: 13px; color: var(--bg); line-height: 1.5; }

/* availability status row */
.contact-avail {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 2rem;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247,245,240,0.6);
}
.contact-avail-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  position: relative;
}
.contact-avail-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #22c55e;
  opacity: 0.35;
  animation: pulse-ring 1.6s ease-out infinite;
}

/* hover arrow slide-in on contact links */
.contact-link { position: relative; overflow: hidden; }
.contact-link-arrow {
  display: inline-block;
  margin-left: 4px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s, transform 0.2s;
  color: var(--teal);
  font-style: normal;
}
.contact-link:hover .contact-link-arrow {
  opacity: 1;
  transform: translateX(0);
}
.contact-link:hover .contact-link-icon {
  border-color: var(--teal);
  color: var(--teal);
  transition: border-color 0.2s, color 0.2s;
}
.contact-link-icon { transition: border-color 0.2s, color 0.2s; }

/* copy email button */
.copy-email-btn {
  background: none;
  border: 1px solid rgba(247,245,240,0.5);
  color: rgba(247,245,240,0.8);
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
  position: relative;
}
.copy-email-btn:hover { border-color: var(--teal); color: var(--teal); background: rgba(26,122,100,0.12); }
.copy-email-btn svg { width: 14px; height: 14px; }
.copy-toast {
  position: absolute;
  top: -2rem;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--teal);
  color: #fff;
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* footer */
footer { background: var(--ink); border-top: 1px solid rgba(255,255,255,0.06); padding: 1.5rem 4rem; display: flex; justify-content: space-between; align-items: center; max-width: 100%; }
.footer-inner { max-width: 1100px; margin: 0 auto; width: 100%; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
.footer-text { font-size: 11px; color: rgba(247,245,240,0.3); }
.footer-links { display: flex; gap: 1.5rem; align-items: center; }
.footer-links a { font-size: 11px; color: rgba(247,245,240,0.4); text-decoration: none; letter-spacing: 0.06em; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }

/* scroll to top — glowing gauge */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
  width: 68px;
  height: 68px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.scroll-top .gauge-svg {
  width: 68px;
  height: 68px;
  display: block;
  filter: drop-shadow(0 0 6px rgba(56,189,248,0.6)) drop-shadow(0 0 18px rgba(56,189,248,0.28));
  transition: filter 0.25s ease, transform 0.25s ease;
}
.scroll-top:hover .gauge-svg {
  filter: drop-shadow(0 0 10px rgba(56,189,248,0.9)) drop-shadow(0 0 28px rgba(56,189,248,0.55));
  transform: scale(1.09);
}

/* animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { animation: fadeUp 0.6s ease both; }
.hero-name { animation: fadeUp 0.6s 0.1s ease both; }
.hero-desc { animation: fadeUp 0.6s 0.2s ease both; }
.hero-btns { animation: fadeUp 0.6s 0.3s ease both; }
.hero-right { animation: fadeUp 0.6s 0.4s ease both; }

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── NAV ACTIONS ───────────────────────────────────── */
.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 7px 8px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.2s ease;
  transform-origin: center;
}
nav.nav-open .hamburger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
nav.nav-open .hamburger span:nth-child(2) { opacity: 0; }
nav.nav-open .hamburger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE BREAKPOINT ─────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
    gap: 0;
    backdrop-filter: blur(12px);
  }
  nav.nav-open .nav-links { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 0.85rem 1.5rem; }

  section { padding: 5rem 1.5rem; }
  .hero-grid, .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid, .projects-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .award-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .copy-email-btn { width: 38px; height: 38px; }

  /* Fix high-specificity #home padding */
  #home { padding-left: 1.5rem !important; padding-right: 1.5rem !important; padding-top: 5rem !important; }

  /* Skills grid: override inline 3-col */
  #skills > div > div { grid-template-columns: 1fr !important; }
  .sk-group { padding: 1.25rem 1rem; }
  .sk-tag { font-size: 11px; padding: 4px 8px; }

  /* Fix inline padding on skills, contact, projects header */
  #skills { padding: 4rem 1.5rem !important; }
  #contact { padding: 4rem 1.5rem !important; }
  #projects > div:first-child { padding: 2.5rem 1.5rem 1.5rem !important; }

  /* Fix inline slider nav/dots bar padding */
  .ps-nav-bar { padding: 1rem 1.5rem !important; }
  .ps-dots-bar { padding: 0.5rem 1.5rem 1rem !important; }

  /* ── Slider: override inline styles ── */
  #ps-track > div {
    grid-template-columns: 1fr !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
  }
  #ps-track > div > div:last-child {
    height: 220px !important;
    order: -1;
  }
  #ps-track > div > div:first-child {
    padding: 1.5rem !important;
    overflow: visible !important;
  }

  /* ── Timeline: single-column on mobile ── */
  .tl-spine { left: 12px !important; transform: none !important; }
  .tl-spine-fill { left: 12px !important; transform: none !important; }
  .tl-entry { padding-left: 32px; gap: 0.5rem; }
  .tl-right, .tl-left { flex-direction: column !important; }
  .tl-dot { left: 12px !important; top: 8px !important; transform: translate(-50%, 0) !important; }
  .tl-year { width: 100% !important; text-align: left !important; }
  .tl-card { width: 100% !important; }
}

/* PROJECT SLIDER */
.ps-container { position: relative; width: 100%; overflow: hidden; }
.ps-track { display: flex; flex-wrap: nowrap; transition: transform 0.65s cubic-bezier(0.77,0,0.175,1); will-change: transform; }
.ps-slide { min-width: 100%; display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; }
.ps-img { min-height: 520px; }
.ps-info { padding: 4rem; display: flex; flex-direction: column; justify-content: center; background: var(--bg); }
.ps-nav { display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem 4rem; background: var(--bg); border-top: 1px solid var(--border); }
.ps-btn { font-family: "DM Mono", monospace; font-size: 18px; background: none; border: 1px solid var(--border); width: 44px; height: 44px; cursor: pointer; color: var(--ink); transition: background 0.2s, color 0.2s; display: flex; align-items: center; justify-content: center; }
.ps-btn:hover { background: var(--ink); color: var(--bg); }
.ps-counter { font-family: "Fraunces", serif; font-size: 18px; font-weight: 300; color: var(--ink2); }
.ps-dots { display: flex; gap: 6px; padding: 0 4rem 2rem; background: var(--bg); }
.ps-dot { width: 24px; height: 2px; background: var(--border); cursor: pointer; transition: background 0.2s, width 0.2s; }
.ps-dot-active { background: var(--teal); width: 40px; }
@media (max-width: 768px) {
  .ps-slide { grid-template-columns: 1fr; }
  .ps-img { min-height: 240px; }
  .ps-info { padding: 2rem; }
  .ps-nav, .ps-dots { padding: 1rem 1.5rem; }
}

.ps-container{position:relative;width:100%;overflow:hidden;max-width:100%;}
.ps-track{display:flex;transition:transform 0.65s cubic-bezier(0.77,0,0.175,1);will-change:transform;}
.ps-slide{min-width:100%;flex-shrink:0;display:grid;grid-template-columns:1fr 1fr;min-height:580px;}
.ps-img{min-height:580px;}
.ps-info{padding:3.5rem 4rem;display:flex;flex-direction:column;justify-content:center;background:var(--bg);}
.ps-nav{display:flex;align-items:center;gap:1.5rem;padding:1.25rem 4rem;background:var(--bg);border-top:1px solid var(--border);}
.ps-btn{font-family:"DM Mono",monospace;font-size:16px;background:none;border:1px solid var(--border);width:42px;height:42px;cursor:pointer;color:var(--ink);transition:background 0.2s,color 0.2s;display:flex;align-items:center;justify-content:center;}
.ps-btn:hover{background:var(--ink);color:var(--bg);}
.ps-counter{font-family:"Fraunces",serif;font-size:18px;font-weight:300;color:var(--ink2);}
.ps-dots{display:flex;gap:6px;padding:0.75rem 4rem 1.5rem;background:var(--bg);}
.ps-dot{width:24px;height:2px;background:var(--border);cursor:pointer;transition:background 0.2s,width 0.3s;}
.ps-dot-active{background:var(--teal);width:40px;}
@media(max-width:768px){.ps-slide{grid-template-columns:1fr;}.ps-img{min-height:220px;}.ps-info{padding:2rem;}.ps-nav,.ps-dots{padding:1rem 1.5rem;}}

.sk-group { background:var(--bg2); padding:2rem; transition:background 0.2s; }
.sk-group:hover { background:var(--bg); }
.sk-label { font-size:10px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--teal);margin-bottom:1rem; }
.sk-tags { display:flex;flex-wrap:wrap;gap:8px; }
.sk-tag { display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ink2);padding:4px 10px;border:0.5px solid var(--border);background:var(--bg);border-radius:4px;transition:opacity 0.35s ease,transform 0.35s ease,border-color 0.2s,color 0.2s;opacity:0;transform:translateY(6px); }
.sk-tag.tag-visible { opacity:1;transform:translateY(0); }
.sk-tag:hover { border-color:var(--teal);color:var(--ink); }
.sk-tag i { font-size:15px; }
@media(max-width:768px){ .sk-group { grid-column: span 1; } }

[data-theme="dark"] {
  --bg: #0d1117;
  --bg2: #161b22;
  --ink: #e6edf3;
  --ink2: #8b949e;
  --ink3: #484f58;
  --teal: #39d2a4;
  --teal-light: #0d2a22;
  --border: rgba(230,237,243,0.1);
}
[data-theme="dark"] nav {
  background: rgba(13,17,23,0.92);
}
[data-theme="dark"] .ps-info,
[data-theme="dark"] .ps-nav-bar,
[data-theme="dark"] .ps-dots-bar {
  background: var(--bg) !important;
}
[data-theme="dark"] .skill-group:hover,
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .cert-card:hover,
[data-theme="dark"] .award-card:hover,
[data-theme="dark"] .stat-box:hover {
  background: var(--bg2) !important;
}
[data-theme="dark"] #contact {
  background: #010409 !important;
  color: #f7f5f0 !important;
}
[data-theme="dark"] .contact-link,
[data-theme="dark"] .contact-detail-val {
  color: rgba(247,245,240,0.85) !important;
}
[data-theme="dark"] .contact-link:hover { color: var(--teal) !important; }
[data-theme="dark"] footer {
  background: #010409;
}

.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s, border-color 0.2s, transform 0.3s;
  flex-shrink: 0;
}
.theme-btn:hover {
  border-color: var(--teal);
  transform: rotate(30deg);
}

/* ── HERO PARTICLE CANVAS ────────────────────────── */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
#home { position: relative; overflow: hidden; }
#home .hero-grid { position: relative; z-index: 1; }