@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Manrope:wght@600;700;800&family=IBM+Plex+Sans:wght@400;500;600&family=Roboto+Mono:wght@400;500&display=swap');

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;
  --bg: #FAFAF7;
  --surface: #FFFFFF;
  --ink: #17191C;
  --ink-secondary: #565B61;
  --ink-muted: #8A8F94;
  --line: #D8DBDE;
  --line-strong: #B7BBC0;
  --blueprint: #2456A3;
  --blueprint-dark: #17335E;
  --blueprint-tint: #E4ECF9;
  --cta: #D9971F;
  --cta-dark: #B37A15;
  --cta-tint: #FBEDD2;

  --font-display: 'Manrope', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  --radius: 6px;
  --max-width: 880px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background-color: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--blueprint); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--blueprint);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 0.5em;
  color: var(--ink);
}
h1 { font-size: 2rem; }
h2 { font-size: 1.3rem; letter-spacing: 0.02em; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; color: var(--ink-secondary); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a.active, .nav-links a:hover { color: var(--blueprint); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--ink);
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { border-color: var(--blueprint); color: var(--blueprint); }
.btn-primary {
  background: var(--blueprint);
  border-color: var(--blueprint);
  color: #fff;
}
.btn-primary:hover { background: var(--blueprint-dark); color: #fff; }

/* ---------- Hero / title block ---------- */
.hero { padding: 0 0 48px; }

.hero-banner {
  position: relative;
  width: 100%;
  min-height: clamp(340px, 52vw, 520px);
  background-size: auto 100%;
  background-repeat: no-repeat;
  background-position: right center;
  background-color: var(--blueprint-dark);
  display: flex;
  align-items: flex-end;
}
.hero-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(9, 16, 30, 0.99) 0%, rgba(9, 16, 30, 0.95) 25%, rgba(9, 16, 30, 0.75) 45%, rgba(9, 16, 30, 0.42) 60%, rgba(9, 16, 30, 0.12) 80%, rgba(9, 16, 30, 0) 96%);
}
.hero-banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 30px;
}
.hero-banner-text { max-width: 560px; }
.hero-banner-text h1 { font-family: 'Playfair Display', serif; font-weight: 700; color: #fff; margin-bottom: 8px; font-size: clamp(2.8rem, 7vw, 6.8rem); line-height: 1.05; }
.hero-banner-text .section-eyebrow { color: rgba(255, 255, 255, 0.85); margin-bottom: 4px; }
.hero-banner-university {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
}

.hero-below { margin-top: 26px; max-width: 880px; }
.hero-hook {
  font-size: 0.98rem;
  color: var(--ink-secondary);
  max-width: 640px;
  margin: 0 0 20px;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 22px;
}
.stat-badge {
  padding: 0 18px;
  border-right: 1px solid var(--line);
  min-width: auto;
}
.stat-badge:first-child { padding-left: 0; }
.stat-badge:last-child { border-right: none; padding-right: 0; }
.stat-badge-c .stat-num { color: #8A6414; }
.stat-badge-b .stat-num { color: #B98A1E; }
.stat-badge-a .stat-num { color: #D9A62E; }

.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--blueprint-dark);
  line-height: 1.2;
}
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-top: 2px;
}

.hero-cta-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.btn-cta {
  background: var(--cta);
  border-color: var(--cta);
  color: #fff;
  font-weight: 600;
}
.btn-cta:hover { background: var(--cta-dark); border-color: var(--cta-dark); color: #fff; }
.btn-ghost { background: transparent; }

.hero-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.contact-chip {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--blueprint-dark);
  background: var(--blueprint-tint);
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
}
.contact-chip:hover { background: var(--blueprint); color: #fff; }

/* ---------- Sections ---------- */
section { padding: 40px 0; }
section + section { border-top: 1px solid var(--line); }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--case-accent, var(--blueprint));
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  display: block;
}

/* ---------- Keyword filter ---------- */
.recruiters-panel {
  background: var(--blueprint-tint);
  padding: 48px 0;
  border-top: none;
}
.recruiters-heading { font-size: 1.7rem; }
.recruiters-lede { font-size: 1.02rem; max-width: 600px; }

.filter-panel {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 0;
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.filter-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blueprint);
  margin-top: 14px;
}
.tag-toggle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-secondary);
  cursor: pointer;
  user-select: none;
}
.tag-toggle input { display: none; }
.tag-toggle.active {
  background: var(--blueprint);
  border-color: var(--blueprint);
  color: #fff;
}

/* ---------- Experience / project cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}
.card.match { border-left-color: var(--blueprint); }
.card.dim { display: none; }
.card[data-hidden="true"] { display: none; }
.card[data-hidden="true"].revealed { display: block; }

/* Resume-builder mode (custom-resume.html only): every card starts blank
   until a selected keyword matches it - reinforces "build up" the resume
   rather than filtering one down. */
body.resume-builder-mode .card { display: none; }
body.resume-builder-mode .card.match { display: block; }
.card h3 { margin-bottom: 4px; }
.card-org { font-size: 0.88rem; color: var(--blueprint); margin-bottom: 3px; font-weight: 500; }
.card-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-bottom: 10px;
}
.card-description { font-size: 0.9rem; color: var(--ink-secondary); margin-bottom: 10px; }
.card-bullets {
  margin: 0 0 8px;
  padding-left: 18px;
}
.card-bullets li {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--blueprint-tint);
  color: var(--blueprint-dark);
}

/* Tag/skill chip colors: clustered into one consistent blue-family
   palette (varying lightness/hue within blue-teal, no purple or
   unrelated hues) so Skills and Experience card tags always match. */
.chip-cad { background: #E4ECF9; color: #17335E; }
.chip-code { background: #C9DAF3; color: #163E7A; }
.chip-make { background: #AEC3E8; color: #1F3A66; }
.chip-research { background: #D6DEE8; color: #33475C; }
.chip-leadership { background: #93AEDD; color: #16305E; }
.chip-comms { background: #DCEAFC; color: #2C5C9E; }
.chip-soft-skill { background: #E4E4E4; color: #54595E; }
.chip-language { background: #E1E8FA; color: #3A5FA0; }

/* ---------- Skills, grouped by category ---------- */
.skill-group { margin-bottom: 18px; }
.skill-group-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.subsection-heading {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.coursework-item { margin-bottom: 16px; }
.coursework-item h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 3px;
  color: var(--ink);
}
.coursework-item p {
  font-size: 0.88rem;
  margin-bottom: 0;
}
.status-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--blueprint);
  background: var(--blueprint-tint);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}
.coursework-toggle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blueprint);
  background: none;
  border: none;
  padding: 6px 0;
  cursor: pointer;
  text-decoration: underline;
}
.coursework-planned { margin-top: 12px; }

.learn-more-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blueprint);
  text-decoration: none;
}
.learn-more-link:hover { text-decoration: underline; }

.learn-more-toggle {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blueprint);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.learn-more-toggle:hover { text-decoration: underline; }
.card-detail { margin-top: 12px; }

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 22, 0.82);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.lightbox-overlay img {
  max-height: 90vh;
  max-width: 90vw;
  border-radius: 4px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}
.skill-info-content {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  max-width: 760px;
  max-height: 85vh;
  overflow-y: auto;
}
.skill-info-banner {
  background: var(--blueprint-tint);
  padding: 22px 36px;
}
.skill-info-banner h3 {
  font-size: 1.6rem;
  margin: 0;
}
.skill-info-body { padding: 28px 36px; }
.skill-info-body p { margin-bottom: 14px; color: var(--ink-secondary); }

.sketch-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.sketch-item { display: block; text-decoration: none; }
.sketch-item img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--blueprint-tint);
  box-shadow: 0 6px 16px rgba(23, 51, 94, 0.28);
  margin-bottom: 6px;
}
.sketch-caption {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.skill-info-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: 5px;
  border-radius: 50%;
  border: 1.3px solid currentColor;
  cursor: pointer;
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-weight: 700;
  font-size: 0.62rem;
  line-height: 1;
  color: inherit;
  vertical-align: middle;
}
.skill-info-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: 6px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease;
  pointer-events: none;
  z-index: 10;
}
.skill-info-icon:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ---------- Photo lightbox (bigger view + caption + navigate all photos) ---------- */
.photo-lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 80vw;
}
.photo-lightbox-content img {
  max-width: 80vw;
  max-height: 75vh;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.photo-lightbox-caption {
  color: #fff;
  font-size: 0.88rem;
  margin-top: 16px;
  text-align: center;
  max-width: 600px;
}
.photo-lightbox-nav {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 1.8rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 20px;
  transition: background 0.15s ease;
}
.photo-lightbox-nav:hover { background: rgba(255, 255, 255, 0.3); }

@media (max-width: 640px) {
  .photo-lightbox-nav { width: 36px; height: 36px; font-size: 1.4rem; margin: 0 8px; }
  .photo-lightbox-content { max-width: 70vw; }
  .photo-lightbox-content img { max-width: 70vw; }
}

/* ---------- Back to top ---------- */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blueprint);
  color: #fff;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 50;
}
#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#back-to-top:hover { background: var(--blueprint-dark); }

/* ---------- Scroll-driven plane ---------- */
.scroll-plane-track {
  position: relative;
  height: 0;
  overflow: visible;
}
.scroll-plane-trail {
  position: absolute;
  top: 0;
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(to right, var(--blueprint) 0%, rgba(36, 86, 163, 0) 100%);
  will-change: left, width;
}
.scroll-plane {
  position: absolute;
  top: 0;
  transform: translateY(-50%) rotate(227deg);
  will-change: left;
}

/* ---------- Project media (video/gallery embeds within case study seasons) ---------- */
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  margin-top: 12px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}
.video-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.gallery-item {
  display: block;
  text-decoration: none;
  cursor: pointer;
}
.gallery-thumb {
  aspect-ratio: 1/1;
  border-radius: 6px;
  background-size: cover;
  background-position: center;
  background-color: var(--blueprint-tint);
  transition: opacity 0.15s ease;
}
.gallery-item:hover .gallery-thumb { opacity: 0.85; }
.gallery-caption {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-muted);
  margin-top: 4px;
  line-height: 1.3;
}

.linkedin-wrap {
  position: relative;
  width: 100%;
  max-width: 504px;
  aspect-ratio: 504/1005;
  margin: 14px auto 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.linkedin-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Footer ---------- */
footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
}
footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--ink-secondary); text-decoration: none; font-size: 0.88rem; }
.footer-links a:hover { color: var(--blueprint); }

/* ---------- Project case studies ---------- */
.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--ink-muted);
  text-decoration: none;
  margin-bottom: 14px;
}
.back-link:hover { color: var(--blueprint); }

.case-logo {
  width: 84px;
  height: 84px;
  object-fit: contain;
  margin-bottom: 12px;
}

.case-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.case-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}
.case-card:hover { border-color: var(--blueprint); }
.case-card-thumb {
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  background-color: var(--blueprint-tint);
}
.case-card-body { padding: 20px 22px; }
.case-card-body h3 { margin-top: 4px; }
.case-card-body p { font-size: 0.92rem; margin-bottom: 12px; }
.case-card-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--blueprint);
}

.season-block { padding: 28px 0; }
.season-block:first-child { padding-top: 0; }
.season-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}
.season-head { margin-bottom: 10px; }
.season-head h2 { margin-bottom: 0; }
.season-bullets {
  margin: 0 0 14px;
  padding-left: 20px;
}
.season-bullets li {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.season-content-block { margin: 26px 0; }
.season-content-block:first-of-type { margin-top: 18px; }
.block-heading {
  font-size: 1.05rem;
  color: var(--blueprint);
  margin-bottom: 6px;
}
.season-content-block .video-wrap { margin-top: 14px; }

.media-heading {
  font-size: 1rem;
  margin-top: 26px;
  margin-bottom: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.season-block > .media-heading:first-of-type {
  border-top: none;
  padding-top: 0;
}
.media-subheading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin: 16px 0 8px;
}
.media-subheading:first-of-type { margin-top: 4px; }
.about-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--blueprint-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blueprint);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 20px;
}