/* ============================================================
   Krunal Vaghasiya — Portfolio
   Light cream theme · black/cream minimalism · no build step
   ============================================================ */

:root {
  --bg: #f5f0e6;
  --bg-alt: #efe8d6;
  --surface: #fffdf7;
  --border: #e2d7bc;
  --border-soft: #ece3cc;
  --text: #1a1a1a;
  --muted: #5f5947;
  --faint: #8d8471;
  --ink: #1a1a1a;
  --watermark: #e8ddc2;
  --radius: 14px;
  --font-display: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --nav-height: 68px;
}

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

html { scroll-behavior: smooth; }

body {
  /* Permanent 80% scale (matches 80% browser zoom) */
  zoom: 0.8;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

::selection { background: var(--ink); color: var(--bg); }

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; letter-spacing: -0.01em; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.eyebrow-section { display: flex; align-items: center; gap: 0.8rem; }
.eyebrow-num { color: var(--text); font-weight: 700; }
.eyebrow-rule { display: inline-block; width: 3.25rem; height: 1px; background: var(--text); }
.about-hello {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1.75rem;
}
.about-hello em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }
.about-text p strong { color: var(--text); font-weight: 700; }
.about-cta { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.role-note { font-weight: 500; color: var(--muted); font-size: 0.85em; }

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 3rem;
}

.subsection-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 3.5rem 0 1.5rem;
  padding-top: 0.25rem;
}

/* ---------- Sections ---------- */
.section { padding: 6.5rem 0; scroll-margin-top: calc(var(--nav-height) - 8px); }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: #fdfaf2;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(26, 26, 26, 0.28); }

.btn-ghost {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { background: var(--ink); color: #fdfaf2; transform: translateY(-2px); }

/* ---------- Nav (floating pill) ---------- */
.nav {
  position: fixed;
  top: 1rem;
  left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  pointer-events: none;
}
.nav-pill {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(253, 250, 242, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 0.45rem 0.55rem 0.45rem 0.65rem;
  box-shadow: 0 10px 34px rgba(26, 26, 26, 0.10);
  max-width: 100%;
  transition: box-shadow 0.25s ease;
}
.nav.scrolled .nav-pill { box-shadow: 0 14px 44px rgba(26, 26, 26, 0.16); }
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark {
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  background: var(--ink);
  color: #fdfaf2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text);
  white-space: nowrap;
}
.brand-text small {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
.nav-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border-soft);
  margin: 0.35rem 0;
  flex-shrink: 0;
}
.nav-links { display: flex; gap: 0.1rem; align-items: center; }
.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); background: rgba(26, 26, 26, 0.06); }
.nav-link.active { background: var(--ink); color: #fdfaf2; }
.nav-top-btn {
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  background: var(--ink);
  color: #fdfaf2;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.nav-top-btn:hover { transform: translateY(-2px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 3rem) 0 5rem;
  background: var(--bg);
}
.hero-watermark {
  position: absolute;
  top: 46%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(9rem, 25vw, 23rem);
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--watermark);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 1080px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}
.hero-copy { max-width: 780px; }
.hero-title {
  font-size: clamp(2.7rem, 6.2vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
  line-height: 1.05;
}
.hero-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.hero-tagline {
  font-size: clamp(1.02rem, 2.1vw, 1.18rem);
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 2.2rem;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }

.hero-social {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.hero-social a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.hero-social a:hover { border-bottom-color: var(--ink); }
.hero-social a span { display: inline-block; transition: transform 0.2s ease; }
.hero-social a:hover span { transform: translate(2px, -2px); }

.hero-photo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-photo {
  width: min(400px, 100%);
  aspect-ratio: 3 / 4;
  border-radius: 999px 999px 28px 28px;
  overflow: hidden;
  background: var(--border-soft);
  box-shadow: 0 24px 60px rgba(26, 26, 26, 0.12);
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.speech-bubble {
  position: absolute;
  top: -4px;
  right: 4%;
  transform: rotate(5deg);
  background: #ffffff;
  border: 1.5px solid var(--ink);
  border-radius: 16px;
  padding: 0.55rem 1.05rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  z-index: 2;
  box-shadow: 3px 4px 0 rgba(26, 26, 26, 0.12);
}
.speech-bubble::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: -8px;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-right: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  transform: rotate(45deg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 1080px;
  border-top: 1px solid var(--border);
  padding-top: 2.25rem;
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-text p { color: var(--muted); margin-bottom: 1.25rem; font-size: 1.06rem; }
.about-text p:last-child { margin-bottom: 0; }

.fact-key { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); }
.fact-val { font-weight: 500; font-size: 0.95rem; }

/* ---------- Flip ID card ---------- */
.flip-card { perspective: 1400px; cursor: pointer; outline: none; border-radius: var(--radius); }
.flip-card:focus-visible { box-shadow: 0 0 0 2px var(--ink); }
.flip-inner {
  display: grid;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.flip-card.flipped .flip-inner { transform: rotateY(180deg); }
.flip-face {
  position: relative;
  grid-area: 1 / 1;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  min-height: 420px;
}
.flip-card:hover .flip-face { border-color: var(--ink); box-shadow: 0 16px 44px rgba(26, 26, 26, 0.12); }
.flip-front { padding: 0; }
.flip-front-mono {
  background: var(--ink);
  color: #fdfaf2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 2.5rem 2rem;
  text-align: center;
}
.flip-mono {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 8vw, 4.5rem);
  letter-spacing: -0.02em;
  color: #fdfaf2;
  border: 2px solid #fdfaf2;
  width: 2.1em;
  height: 2.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.flip-front-mono .flip-caption {
  position: static;
  background: none;
  color: #fdfaf2;
  flex-direction: column;
  align-items: center;
  padding: 0;
  text-align: center;
}
.flip-front-mono .flip-caption h3 { color: #fdfaf2; }
.flip-front-mono .flip-caption p { color: rgba(253, 250, 242, 0.75); }
.flip-back {
  transform: rotateY(180deg);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
}
.flip-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}
.flip-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 3rem 1.5rem 1.25rem;
  background: linear-gradient(transparent, rgba(10, 10, 10, 0.78));
  color: #fdfaf2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.flip-caption h3 { font-size: 1.2rem; margin-bottom: 0.15rem; }
.flip-caption p { font-size: 0.85rem; color: rgba(253, 250, 242, 0.85); }
.flip-hint {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.85;
}
.flip-back h3 {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1rem;
}
.flip-back ul { flex: 1; }
.flip-back li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--border-soft);
}
.flip-back li:first-child { border-top: none; padding-top: 0; }
.flip-back .flip-hint { color: var(--faint); margin-top: 1.25rem; }

/* ---------- Expertise ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.expertise-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2rem 1.9rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.expertise-card:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(26, 26, 26, 0.1);
}
.expertise-card-dark { background: #161614; border-color: #161614; }
.expertise-card-dark:hover { border-color: #161614; box-shadow: 0 16px 40px rgba(22, 22, 20, 0.35); }
.expertise-num {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--faint);
  display: block;
}
.expertise-icon { display: block; width: 26px; height: 26px; margin: 1.5rem 0 1.15rem; color: var(--text); }
.expertise-card-dark .expertise-num { color: rgba(253, 250, 242, 0.5); }
.expertise-card-dark .expertise-icon { color: #fdfaf2; }
.expertise-card h4 { font-family: var(--font-display); font-size: 1.32rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.8rem; color: var(--text); }
.expertise-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.65; margin-bottom: 1.25rem; }
.expertise-card-dark h4 { color: #fdfaf2; }
.expertise-card-dark p { color: rgba(253, 250, 242, 0.68); }
.expertise-card .tags li {
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.66rem;
  font-weight: 700;
  padding: 0.42rem 0.9rem;
  color: var(--text);
}
.expertise-card-dark .tags li { border-color: rgba(253, 250, 242, 0.28); color: #fdfaf2; }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.7rem;
  border-radius: 6px;
  background: rgba(26, 26, 26, 0.045);
  border: 1px solid var(--border-soft);
  color: var(--muted);
}

/* ---------- Work accordion ---------- */
.section-title em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }
.work-accordion {
  display: flex;
  gap: 1rem;
  align-items: stretch;
  min-height: 620px;
}
.work-panel {
  position: relative;
  flex: 0 1 92px;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  transition: flex 0.55s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease;
}
.work-panel.open { flex: 1 1 0; border-color: var(--ink); }
.panel-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  min-height: 620px;
  padding: 1.75rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}
.work-panel.open .panel-rail { display: none; }
.panel-num {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--faint);
}
.panel-rail-title {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--text);
  white-space: nowrap;
}
.panel-plus {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: #fdfaf2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.3s ease;
}
.panel-rail:hover .panel-plus { transform: rotate(90deg); }
.panel-body { display: none; height: 100%; }
.work-panel.open .panel-body { display: block; animation: panelIn 0.5s ease 0.12s both; }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.panel-body-inner { padding: 2.5rem 2.75rem; max-width: 640px; }
.panel-body .panel-num { display: block; margin-bottom: 1.1rem; }
.panel-pills { display: flex; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.panel-pills span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  background: var(--bg);
}
.panel-body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}
.panel-desc { color: var(--muted); font-size: 1rem; line-height: 1.65; margin-bottom: 1.5rem; }
.panel-points { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.6rem; }
.panel-points li { position: relative; padding-left: 1.6rem; color: var(--text); font-size: 0.95rem; line-height: 1.55; }
.panel-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--ink);
  font-weight: 700;
}
.panel-tags { margin-bottom: 1.8rem; }
.panel-tags li { border-style: dashed; background: transparent; }
.panel-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Experience journey ---------- */
.journey-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1.25rem;
  margin-bottom: 3rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.journey-card {
  position: relative;
  flex: 0 0 300px;
  min-height: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  scroll-snap-align: start;
  cursor: pointer;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.journey-card:hover { border-color: var(--ink); box-shadow: 0 16px 40px rgba(26, 26, 26, 0.12); }
.journey-front {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2rem 1.75rem;
  text-align: center;
}
.journey-logo-zone {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 0.5rem 0 1rem;
}
.journey-logo { display: block; }
.journey-logo-mety { height: 44px; width: auto; max-width: 100%; }
.journey-logo-webito { height: 88px; width: 88px; object-fit: contain; }
.journey-caption { color: var(--muted); font-size: 0.88rem; margin-bottom: 1.25rem; }
.journey-divider { display: block; width: 100%; height: 1px; background: var(--border); margin-bottom: 1.1rem; }
.journey-front-link {
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
}
.journey-front-link span { display: inline-block; transition: transform 0.2s ease; }
.journey-front-link:hover span { transform: translateX(3px); }
.journey-back {
  position: absolute;
  inset: 0;
  background: #161614;
  padding: 1.75rem 1.6rem;
  display: flex;
  flex-direction: column;
  transform: translateY(102%);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.journey-card:hover .journey-back,
.journey-card:focus-within .journey-back,
.journey-card.revealed .journey-back { transform: translateY(0); }
.journey-eyebrow {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(253, 250, 242, 0.5);
  margin-bottom: 0.6rem;
}
.journey-back h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 700; color: #fdfaf2; margin-bottom: 1rem; line-height: 1.35; }
.journey-back h3 em { font-style: normal; font-weight: 500; color: rgba(253, 250, 242, 0.6); font-size: 0.88em; }
.journey-back ul { display: flex; flex-direction: column; gap: 0.65rem; margin-bottom: auto; padding-bottom: 1.25rem; }
.journey-back li { position: relative; padding-left: 1.35rem; font-size: 0.88rem; line-height: 1.55; color: rgba(253, 250, 242, 0.78); }
.journey-back li::before { content: "→"; position: absolute; left: 0; color: #fdfaf2; font-weight: 700; }
.journey-back a {
  color: #fdfaf2;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1.5px solid rgba(253, 250, 242, 0.35);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}
.journey-back a:hover { border-bottom-color: #fdfaf2; }
.journey-back a span { display: inline-block; transition: transform 0.2s ease; }
.journey-back a:hover span { transform: translateX(3px); }
.org { color: var(--text); font-weight: 600; font-size: 0.98rem; margin-bottom: 0.35rem; }

/* ---------- Education / certs ---------- */
.edu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem 1.8rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.edu-card:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(26, 26, 26, 0.08); }
.edu-card h4 { font-size: 1.08rem; margin-bottom: 0.4rem; }
.edu-detail { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.edu-meta { color: var(--text); font-weight: 600; font-size: 0.92rem; margin-top: 0.5rem; }

.cert-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.cert-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.cert-list li:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(26, 26, 26, 0.08); }
.cert-list li > div { display: flex; flex-direction: column; gap: 0.2rem; }
.cert-name { font-weight: 600; font-size: 0.97rem; }
.cert-src { color: var(--faint); font-size: 0.85rem; }
.cert-badge {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--border-soft);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-badge svg { width: 18px; height: 18px; stroke: var(--ink); }

/* ---------- Projects grid ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.project-card:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(26, 26, 26, 0.1);
}
.project-cover {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--border-soft);
}
.project-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}
.project-card:hover .project-cover img { transform: scale(1.045); }
.project-cover-logo { background: #141412; }
.project-cover-logo img { object-fit: contain; padding: 1.75rem; }
.project-body { display: flex; flex-direction: column; padding: 1.35rem 1.5rem 1.5rem; flex: 1; }
.project-cat {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.6rem;
}
.project-card h3 { font-size: 1.08rem; margin-bottom: 0.9rem; color: var(--text); }
.project-link { color: var(--ink); font-weight: 600; font-size: 0.9rem; margin-top: auto; }
.project-link span { display: inline-block; transition: transform 0.2s ease; }
.project-card:hover .project-link span { transform: translateX(4px); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.contact-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.contact-title em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }
.contact-lede { color: var(--muted); font-size: 1.02rem; line-height: 1.7; max-width: 480px; }
.contact-card {
  border: 1.5px solid var(--ink);
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface);
}
.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 2rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
  transition: background 0.2s ease;
}
.contact-row + .contact-row { border-top: 1px solid var(--border); }
.contact-row:hover { background: rgba(26, 26, 26, 0.035); }
.contact-arrow { font-size: 1.25rem; transition: transform 0.2s ease; }
.contact-row:hover .contact-arrow { transform: translate(3px, -3px); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--ink);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-name { font-weight: 700; letter-spacing: 0.18em; font-size: 0.85rem; color: var(--text); }
.footer-tag { color: var(--muted); font-size: 0.9rem; margin-top: 0.35rem; }
.footer-copy { color: var(--faint); font-size: 0.9rem; }
.to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  transition: background 0.2s ease, color 0.2s ease;
}
.to-top:hover { background: var(--ink); color: #fdfaf2; }

/* ---------- Element table (skills) ---------- */
.periodic-title em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }
.element-filters { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.filter-btn:hover { color: var(--text); border-color: var(--ink); transform: translateY(-1px); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fdfaf2; }
.fam-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--ink); flex-shrink: 0; }
.filter-btn[data-family="languages"] .fam-dot { background: #2f2e2a; }
.filter-btn[data-family="data-ml"] .fam-dot { background: #57544b; }
.filter-btn[data-family="engineering"] .fam-dot { background: #8f897b; }
.filter-btn[data-family="bi-viz"] .fam-dot { background: #d9d2bd; border: 1px solid rgba(26, 26, 26, 0.2); }
.filter-btn.active .fam-dot { background: #fdfaf2; border-color: transparent; }

.elements-layout {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 1.75rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
.element-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 0.8rem;
}
.element-tile {
  position: relative;
  border-radius: 16px;
  padding: 0.9rem 1rem 1rem;
  min-height: 152px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  text-align: left;
  border: 1px solid rgba(26, 26, 26, 0.10);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color 0.2s ease, transform 0.2s ease, opacity 0.25s ease, box-shadow 0.2s ease;
}
.element-tile[data-family="languages"] { background: #2f2e2a; color: #fdfaf2; }
.element-tile[data-family="data-ml"] { background: #57544b; color: #fdfaf2; }
.element-tile[data-family="engineering"] { background: #8f897b; color: #1a1a1a; }
.element-tile[data-family="bi-viz"] { background: #d9d2bd; color: #1a1a1a; }
.element-tile:hover, .element-tile.selected {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(26, 26, 26, 0.20);
}
.element-tile.dimmed { opacity: 0.15; pointer-events: none; }
.element-num {
  position: absolute;
  top: 0.8rem;
  left: 1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  opacity: 0.6;
}
.element-symbol {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
}
.element-name { font-size: 0.82rem; font-weight: 500; margin-top: 0.3rem; line-height: 1.35; opacity: 0.85; }

.element-inspector {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem 1.6rem;
  position: sticky;
  top: calc(1rem + 4.2rem);
}
.inspector-eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.1rem;
}
.inspector-symbol {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.inspector-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text);
  margin: 0.45rem 0 0.75rem;
}
.inspector-family {
  display: inline-block;
  background: var(--ink);
  color: #fdfaf2;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.inspector-note { color: var(--muted); font-size: 0.95rem; line-height: 1.6; }
.inspector-built { border-top: 1px solid var(--border-soft); margin-top: 1.25rem; padding-top: 1.1rem; }
.inspector-built-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.8rem;
}
.inspector-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  text-decoration: none;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.55rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.inspector-link:hover { border-color: var(--ink); transform: translateX(3px); }
.inspector-link span:last-child { color: var(--faint); }

/* ---------- Approach lab (dark panel) ---------- */
.lab-panel {
  background: #161614;
  border-radius: 28px;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  color: #fdfaf2;
}
.lab-panel .eyebrow { color: rgba(253, 250, 242, 0.6); }
.lab-panel .eyebrow-num { color: #fdfaf2; }
.lab-panel .eyebrow-rule { background: rgba(253, 250, 242, 0.35); }
.lab-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: #fdfaf2;
  margin-bottom: 1.25rem;
}
.lab-title em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }
.lab-lede {
  color: rgba(253, 250, 242, 0.62);
  font-size: 1.02rem;
  line-height: 1.65;
  max-width: 660px;
  margin-bottom: 2.75rem;
}
.lab-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}
.lab-card {
  border: 1px solid rgba(253, 250, 242, 0.14);
  border-radius: 18px;
  padding: 1.5rem 1.35rem;
  background: rgba(253, 250, 242, 0.03);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.lab-card:hover { border-color: rgba(253, 250, 242, 0.4); transform: translateY(-4px); }
.lab-num {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(253, 250, 242, 0.45);
}
.lab-card h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  color: #fdfaf2;
  margin: 1.75rem 0 0.7rem;
}
.lab-card p { font-size: 0.88rem; line-height: 1.65; color: rgba(253, 250, 242, 0.6); }
.lab-card-highlight { background: #fdfaf2; border-color: #fdfaf2; }
.lab-card-highlight:hover { border-color: #fdfaf2; }
.lab-card-highlight .lab-num { color: rgba(26, 26, 26, 0.5); }
.lab-card-highlight h3 { color: #1a1a1a; }
.lab-card-highlight p { color: rgba(26, 26, 26, 0.62); }
.lab-arrow { align-self: center; color: rgba(253, 250, 242, 0.4); font-size: 1.3rem; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .expertise-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-list { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; margin-bottom: 3.5rem; }
  .hero-photo { width: min(320px, 85%); }
  .hero-watermark { font-size: clamp(7rem, 30vw, 14rem); top: 40%; }
  .speech-bubble { right: 10%; }
  .lab-grid { grid-template-columns: 1fr; max-width: 560px; }
  .lab-arrow { transform: rotate(90deg); justify-self: center; }
  .element-grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
  .elements-layout { grid-template-columns: 1fr; }
  .element-inspector { position: static; }
  .work-accordion { flex-direction: column; min-height: 0; }
  .work-panel { flex: none; min-height: 0; }
  .work-panel.open { flex: none; }
  .panel-rail { flex-direction: row; min-height: 0; padding: 1.1rem 1.25rem; gap: 1rem; }
  .panel-rail-title { writing-mode: horizontal-tb; transform: none; white-space: normal; text-align: left; flex: 1; }
  .panel-plus { width: 32px; height: 32px; font-size: 1.1rem; }
  .panel-body-inner { padding: 1.75rem 1.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 940px) {
  .nav-pill { gap: 0.6rem; width: 100%; justify-content: space-between; }  .brand-text, .nav-divider { display: none; }
  .nav-links {
    position: fixed;
    top: calc(1rem + 3.6rem);
    left: 1rem; right: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(253, 250, 242, 0.98);
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(26, 26, 26, 0.14);
    padding: 0.6rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-link { padding: 0.75rem 1rem; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .section { padding: 4.5rem 0; }
  .element-grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
  .project-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .speech-bubble { font-size: 0.78rem; }
}