:root {
  --bg: #eef1f5;
  --surface: #ffffff;
  --text: #111b2f;
  --muted: #6c778a;
  --line: #dfe5ee;
  --line-strong: #ccd5e2;
  --blue: #2457ff;
  --blue-dark: #1c43c6;
  --violet: #7057ed;
  --navy: #0c1730;
  --shell: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Inter", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(calc(100% - 32px), var(--shell)); margin: 0 auto; }

.profile-header { padding-top: 22px; background: var(--surface); border-bottom: 1px solid var(--line); }
.cover { height: 205px; border-radius: 16px 16px 0 0; position: relative; overflow: hidden; color: #fff; background: linear-gradient(110deg, #123ea9 0%, #2457ff 58%, #7057ed 100%); }
.cover-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.075) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.075) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, #000, transparent 78%); }
.cover-copy { position: absolute; left: 34px; bottom: 28px; display: grid; gap: 8px; max-width: 520px; }
.cover-copy span { font-size: 10px; font-weight: 800; letter-spacing: .14em; opacity: .75; }
.cover-copy strong { font-size: 24px; line-height: 1.12; letter-spacing: -.035em; }
.cover-mark { position: absolute; right: 28px; bottom: 15px; font-size: 84px; font-weight: 800; letter-spacing: -.07em; color: rgba(255,255,255,.10); }
.identity-row { min-height: 178px; padding: 0 28px 18px; display: grid; grid-template-columns: 170px 1fr; gap: 20px; align-items: start; }
.portrait-wrap { width: 154px; height: 154px; border-radius: 50%; border: 6px solid #fff; background: #dfe5ee; position: relative; margin-top: -50px; overflow: visible; }
.portrait-wrap img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.status-dot { position: absolute; right: 3px; bottom: 15px; width: 18px; height: 18px; border-radius: 50%; background: #25b968; border: 4px solid #fff; }
.identity-copy { padding-top: 20px; }
.name-line { display: flex; justify-content: space-between; gap: 28px; align-items: flex-start; }
.name-line h1 { margin: 0; font-size: 31px; line-height: 1; letter-spacing: -.05em; }
.name-line p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.identity-actions { display: flex; gap: 9px; flex-shrink: 0; }
.primary-action, .secondary-action { min-height: 42px; padding: 0 15px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; font-size: 12px; font-weight: 700; }
.primary-action { background: var(--blue); color: #fff; }
.secondary-action { background: #edf1f6; color: var(--text); }
.intro-line { max-width: 850px; margin: 20px 0 0; font-size: 14px; line-height: 1.7; }
.quick-facts { margin-top: 17px; display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 10px; }
.profile-tabs { min-height: 51px; display: flex; align-items: stretch; gap: 2px; border-top: 1px solid var(--line); position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.profile-tabs a { min-width: 100px; display: flex; align-items: center; justify-content: center; padding: 0 14px; border-bottom: 3px solid transparent; color: var(--muted); font-size: 11px; font-weight: 700; }
.profile-tabs a:hover, .profile-tabs a.active { color: var(--blue); border-bottom-color: var(--blue); }
.profile-tabs .tab-resume { margin-left: auto; }

.work-finder { padding: 44px 0 68px; background: var(--surface); }
.finder-intro { max-width: 760px; }
.section-kicker { display: block; margin-bottom: 10px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.finder-intro h2 { margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1; letter-spacing: -.06em; }
.finder-intro p { margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.skill-chooser { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.skill-choice { min-height: 42px; padding: 0 15px; border: 1px solid var(--line-strong); border-radius: 999px; background: #fff; color: var(--text); cursor: pointer; font-size: 12px; font-weight: 700; transition: .18s ease; }
.skill-choice:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.skill-choice.active { border-color: var(--blue); background: var(--blue); color: #fff; }
.experience-view { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; padding: 38px 0; border-bottom: 1px solid var(--line); }
.experience-label { display: block; margin-bottom: 14px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.experience-main h3 { margin: 0; max-width: 650px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.04; letter-spacing: -.055em; }
.experience-main p { margin: 18px 0 0; max-width: 690px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.experience-details { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; }
.experience-column { border-left: 1px solid var(--line); padding-left: 22px; }
.experience-column small { display: block; margin-bottom: 13px; font-size: 9px; font-weight: 800; letter-spacing: .12em; color: var(--muted); }
.experience-column ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.experience-column li { position: relative; padding-left: 18px; font-size: 12px; line-height: 1.55; }
.experience-column li::before { content: '↗'; position: absolute; left: 0; color: var(--blue); }
.tool-list { display: flex; flex-wrap: wrap; gap: 7px; }
.tool-list span { padding: 7px 9px; border: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.projects-heading { padding: 34px 0 18px; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.projects-heading h3 { margin: 0; font-size: 25px; letter-spacing: -.04em; }
.projects-heading > span { color: var(--muted); font-size: 11px; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 18px; }
.project-item { min-width: 0; }
.project-thumb { aspect-ratio: 16 / 10; overflow: hidden; border-radius: 12px; background: #edf1f6; border: 1px solid var(--line); }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project-thumb img[src*="client-"] { object-fit: contain; padding: 34px; background: #fff; }
.project-item:hover .project-thumb img { transform: scale(1.025); }
.project-item-copy { padding: 13px 2px 0; }
.project-item-copy > div { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.project-item-copy h4 { margin: 9px 0 7px; font-size: 17px; line-height: 1.2; letter-spacing: -.035em; }
.project-item-copy p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.project-item-copy b { display: inline-block; margin-top: 11px; color: var(--blue); font-size: 11px; }

.profile-summary { padding: 54px 0; border-top: 1px solid var(--line); background: #f4f6fa; }
.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.summary-grid h2 { margin: 0; max-width: 600px; font-size: 34px; line-height: 1.08; letter-spacing: -.05em; }
.summary-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.summary-copy a { display: inline-block; margin-top: 18px; color: var(--blue); font-size: 12px; font-weight: 700; }
.contact-strip { background: linear-gradient(110deg, #123da6 0%, var(--blue) 56%, var(--violet) 100%); color: #fff; }
.contact-strip-inner { min-height: 190px; padding: 34px 28px; display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.contact-strip span { display: block; font-size: 10px; font-weight: 800; letter-spacing: .14em; opacity: .75; margin-bottom: 10px; }
.contact-strip h2 { margin: 0; font-size: 32px; letter-spacing: -.04em; }
.contact-strip-actions { display: flex; gap: 10px; }
.contact-strip-actions a { min-height: 42px; padding: 0 15px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.28); font-size: 13px; font-weight: 700; }
.contact-strip-actions a:first-child { background: #fff; color: var(--text); border-color: #fff; }
.site-footer { padding: 22px 0 30px; background: #fff; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }
.footer-inner > div { display: grid; gap: 5px; }
.footer-inner > div:last-child { text-align: right; }
.footer-inner strong { color: var(--text); }

/* Project page */
.project-page { background: #fff; }
.project-topbar { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.project-topbar-inner { min-height: 64px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; font-size: 11px; font-weight: 700; color: var(--muted); }
.project-topbar-inner > a:last-child { justify-self: end; }
.project-brand { display: flex; align-items: center; gap: 9px; color: var(--text); }
.project-brand span { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg,var(--blue),var(--violet)); color: #fff; font-size: 10px; }
.project-hero-case { padding-top: 70px; padding-bottom: 38px; }
.project-breadcrumb { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.project-hero-case h1 { margin: 14px 0 0; max-width: 950px; font-size: clamp(44px, 7vw, 82px); line-height: .97; letter-spacing: -.07em; }
.project-hero-case > p { margin: 24px 0 0; max-width: 760px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.project-meta-row { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; gap: 28px; flex-wrap: wrap; color: var(--muted); font-size: 11px; }
.project-image-stage { padding-bottom: 58px; }
.project-image-stage img { width: 100%; max-height: 680px; object-fit: cover; border-radius: 18px; border: 1px solid var(--line); background: #eef2f8; }
.project-image-stage img[src*="client-"] { height: 460px; object-fit: contain; padding: 80px; background: #fff; }
.case-content { padding: 58px 0 72px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 260px 1fr; gap: 70px; }
.case-sidebar { display: grid; align-content: start; gap: 26px; }
.case-sidebar > div { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.case-sidebar small { display: block; margin-bottom: 8px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.case-sidebar strong { font-size: 13px; line-height: 1.6; }
.case-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tools span { padding: 7px 8px; border: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.case-sidebar > a { color: var(--blue); font-size: 11px; font-weight: 700; }
.case-main { display: grid; gap: 0; }
.case-main article { padding: 0 0 38px; margin-bottom: 38px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 50px 1fr; gap: 24px; }
.case-main article > span { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: #fff; font-size: 10px; font-weight: 800; }
.case-main h2 { margin: 0; font-size: 28px; letter-spacing: -.045em; }
.case-main p { margin: 13px 0 0; max-width: 780px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.next-project { padding: 52px 0 70px; border-top: 1px solid var(--line); }
.next-project > span { display: block; margin-bottom: 14px; color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.next-project a { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.next-project strong { font-size: clamp(30px, 4vw, 50px); letter-spacing: -.055em; }
.next-project b { font-size: 34px; color: var(--blue); }
.missing-project { min-height: 70vh; padding-top: 120px; }
.missing-project h1 { font-size: 56px; letter-spacing: -.06em; }
.missing-project a { color: var(--blue); font-weight: 700; }

@media (max-width: 960px) {
  .identity-row { grid-template-columns: 150px 1fr; }
  .portrait-wrap { width: 142px; height: 142px; }
  .name-line { flex-direction: column; }
  .experience-view { grid-template-columns: 1fr; gap: 30px; }
  .project-grid { grid-template-columns: repeat(2,1fr); }
  .summary-grid { grid-template-columns: 1fr; gap: 26px; }
  .contact-strip-inner { flex-direction: column; align-items: flex-start; }
  .case-content { grid-template-columns: 1fr; gap: 38px; }
  .case-sidebar { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
  .shell { width: min(calc(100% - 20px), var(--shell)); }
  .profile-header { padding-top: 0; }
  .cover { height: 190px; border-radius: 0; }
  .cover-copy { left: 20px; right: 20px; bottom: 20px; }
  .cover-copy strong { font-size: 18px; }
  .cover-mark { right: 18px; font-size: 56px; }
  .identity-row { grid-template-columns: 1fr; padding: 0 18px 18px; }
  .portrait-wrap { width: 126px; height: 126px; margin-top: -58px; }
  .identity-copy { padding-top: 0; }
  .name-line h1 { font-size: 27px; }
  .identity-actions { width: 100%; }
  .primary-action, .secondary-action { flex: 1; }
  .intro-line { font-size: 14px; }
  .profile-tabs { overflow-x: auto; padding: 0 10px; }
  .profile-tabs a { min-width: max-content; }
  .profile-tabs .tab-resume { margin-left: 0; }
  .work-finder { padding-top: 34px; }
  .finder-intro h2 { font-size: 38px; }
  .skill-chooser { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 18px; scrollbar-width: none; }
  .skill-choice { flex: 0 0 auto; }
  .experience-details { grid-template-columns: 1fr; }
  .experience-column { border-left: 0; padding-left: 0; padding-top: 20px; border-top: 1px solid var(--line); }
  .project-grid { grid-template-columns: 1fr; }
  .contact-strip h2 { font-size: 26px; }
  .contact-strip-actions { width: 100%; flex-direction: column; }
  .contact-strip-actions a { width: 100%; }
  .footer-inner { flex-direction: column; }
  .footer-inner > div:last-child { text-align: left; }
  .project-topbar-inner { grid-template-columns: 1fr auto; }
  .project-brand { display: none; }
  .project-hero-case { padding-top: 48px; }
  .project-hero-case h1 { font-size: 45px; }
  .case-sidebar { grid-template-columns: 1fr; }
  .case-main article { grid-template-columns: 38px 1fr; gap: 14px; }
}


/* v1.5.0 — Guided skill-to-project flow */
.flow-guide {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
}
.flow-guide > i {
  width: 42px;
  height: 1px;
  background: var(--line-strong);
  transition: background .25s ease;
}
.flow-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: color .25s ease;
}
.flow-step b {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: #fff;
  font-size: 9px;
  transition: .25s ease;
}
.flow-step.active { color: var(--text); }
.flow-step.active b {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(36,87,255,.06);
}
.flow-step.current b {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(36,87,255,.08);
}
.flow-step.active + i { background: rgba(36,87,255,.45); }

.skill-chooser-wrap {
  position: sticky;
  top: 51px;
  z-index: 22;
  margin-top: 24px;
  padding: 12px 0 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.skill-chooser-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 28px;
}
.skill-chooser-head span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}
.skill-chooser-head strong {
  color: var(--blue);
  font-size: 10px;
}
.skill-chooser {
  margin-top: 8px;
  padding-bottom: 14px;
  border-bottom: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.skill-chooser::-webkit-scrollbar { display: none; }
.skill-choice { flex: 0 0 auto; }

.section-flow-label {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: -18px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-flow-label b {
  width: 27px;
  height: 27px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: rgba(36,87,255,.07);
  font-size: 9px;
}
.project-flow-label { margin-bottom: 13px; }
.jump-projects {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: -8px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.content-transition {
  transition: opacity .22s ease, transform .22s ease;
}
.content-transition.is-updating {
  opacity: .2;
  transform: translateY(6px);
}
.project-item {
  opacity: 0;
  animation: projectReveal .45s ease forwards;
  animation-delay: var(--project-delay, 0ms);
}
@keyframes projectReveal {
  from { opacity: 0; transform: translateY(9px); }
  to { opacity: 1; transform: translateY(0); }
}
.project-item:focus-visible {
  outline: 3px solid rgba(36,87,255,.25);
  outline-offset: 5px;
  border-radius: 12px;
}

.visitor-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 45;
  min-height: 38px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(204,213,226,.9);
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  color: var(--text);
  box-shadow: 0 14px 34px rgba(20,38,75,.12);
  backdrop-filter: blur(12px);
  font-size: 9px;
}
.visitor-float-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #20b978;
  box-shadow: 0 0 0 4px rgba(32,185,120,.12);
}
.visitor-float-label {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.visitor-float strong {
  min-width: 20px;
  color: var(--blue);
  font-size: 11px;
}

@media (max-width: 760px) {
  .flow-guide { gap: 7px; overflow-x: auto; padding-bottom: 5px; scrollbar-width: none; }
  .flow-guide::-webkit-scrollbar { display: none; }
  .flow-guide > i { width: 24px; flex: 0 0 24px; }
  .skill-chooser-wrap { top: 51px; margin-left: -16px; margin-right: -16px; padding-left: 16px; padding-right: 16px; }
  .skill-chooser-head strong { max-width: 52%; text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .section-flow-label { margin-bottom: 0; }
  .visitor-float-label { display: none; }
  .visitor-float { right: 12px; bottom: 12px; }
}