/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.35rem 0;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
}
.site-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-nav.is-scrolled {
  background: rgba(249, 249, 247, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--c-line);
  padding: .85rem 0;
}

.brand { display: flex; align-items: center; gap: .65rem; font-family: var(--font-display); font-weight: 800; }
.brand-mark {
  width: 38px; height: 38px;
  background: var(--c-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  border-radius: 9px;
  transform: rotate(-8deg);
  box-shadow: 0 8px 18px -6px rgba(241,78,70,.6);
}
.brand-name { font-size: 1.02rem; letter-spacing: -.01em; }
.brand-name small { display: block; font-family: var(--font-body); font-weight: 500; font-size: .68rem; color: var(--c-ink-faint); letter-spacing: .04em; }

.nav-links { display: flex; align-items: center; gap: 2.1rem; }
.nav-links a {
  position: relative;
  font-size: .92rem;
  font-weight: 600;
  color: var(--c-ink-soft);
  padding-block: .3rem;
  transition: color .25s;
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--c-accent);
  transition: right .3s var(--ease);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--c-ink); }
.nav-links a:hover::after, .nav-links a.is-active::after { right: 0; }

.nav-cta { position: relative; z-index: 2; display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: var(--c-bg); border: 1px solid var(--c-line-strong); border-radius: 999px; padding: 3px;
}
.lang-switch button {
  padding: .35rem .7rem; border-radius: 999px;
  font-family: var(--font-display); font-size: .74rem; font-weight: 800; letter-spacing: .03em;
  color: var(--c-ink-faint); transition: background .25s, color .25s;
}
.lang-switch button.is-active { background: var(--c-ink); color: #fff; }

@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 0 0 auto 0; top: 0; flex-direction: column; background: var(--c-bg-alt);
    padding: 6.5rem 2rem 2.5rem; gap: 1.6rem; transform: translateY(-105%); transition: transform .45s var(--ease);
    box-shadow: var(--shadow-card); }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }
  .nav-cta .btn--ghost { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  overflow: hidden;
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero .container {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  width: 100%;
}
.hero-name {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: .98;
}
.hero-role {
  margin-top: 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--c-ink-soft);
}
.hero-social {
  margin-top: 1.1rem;
  display: flex; align-items: center; gap: .6rem;
}
.hero-social a {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-ink-soft);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line-strong);
  transition: color .2s, background .2s, border-color .2s, transform .2s;
}
.hero-social a:hover {
  color: #fff;
  background: var(--c-accent);
  border-color: var(--c-accent);
  transform: translateY(-2px);
}
.hero-lede { margin-top: 1.3rem; max-width: 46ch; font-size: 1.06rem; }
.hero-actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-stats {
  margin-top: 3.2rem;
  display: flex;
  gap: clamp(1.6rem, 4vw, 3rem);
}
.hero-stat b { display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; }
.hero-stat span { font-size: .8rem; color: var(--c-ink-faint); font-weight: 600; }

.hero-portrait { position: relative; justify-self: center; }
.hero-portrait::before {
  content: '';
  position: absolute;
  inset: 22px -22px -22px 22px;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--c-accent), #ff8a7f);
  opacity: .22;
  z-index: 0;
}
.hero-portrait-frame {
  position: relative;
  z-index: 1;
  width: min(360px, 82vw);
  aspect-ratio: 3 / 3.7;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(155deg, #ffe0dd, #fff);
  box-shadow: var(--shadow-card);
}
.hero-portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 8%; display: block; }
.hero-portrait-ring {
  position: absolute; z-index: 2; top: -1.4rem; right: -1.4rem;
  width: 92px; height: 92px;
  border: 2px dashed var(--c-line-strong);
  border-radius: 50%;
}

.scroll-cue {
  position: absolute; left: 50%; bottom: 2.1rem; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-ink-faint);
  z-index: 2;
}
.scroll-cue::after {
  content: ''; width: 1px; height: 34px; background: linear-gradient(var(--c-accent), transparent);
  animation: scrollCue 1.8s infinite;
}
@keyframes scrollCue { 0% { transform: scaleY(0); transform-origin: top; opacity: 0; } 40% { transform: scaleY(1); transform-origin: top; opacity: 1; } 60% { transform: scaleY(1); transform-origin: bottom; opacity: 1; } 100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; } }

/* ============================================================
   CHEVRON DIVIDER (recurring motif from the reference video)
   ============================================================ */
.chevron-divider {
  position: relative;
  height: clamp(46px, 7vw, 84px);
  background: var(--c-accent);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
}
.chevron-divider--rev { clip-path: polygon(0 38%, 100% 0, 100% 100%, 0 100%); }

/* ============================================================
   RESUME
   ============================================================ */
.resume-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.edu-card {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  position: sticky; top: 6.5rem;
}
.edu-card .diagonal-tag { margin-bottom: 1.2rem; }
.edu-card h3 { font-size: 1.25rem; margin-bottom: .3rem; }
.edu-card .edu-meta { font-size: .85rem; color: var(--c-ink-faint); font-weight: 600; margin-bottom: 1.4rem; }
.lang-row { display: flex; align-items: center; justify-content: space-between; padding-top: 1.2rem; border-top: 1px solid var(--c-line); font-size: .88rem; font-weight: 600; }

.timeline { position: relative; padding-left: 2.2rem; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--c-line-strong); }
.timeline-item { position: relative; padding-bottom: 2.6rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: -2.2rem; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--c-bg-alt); border: 3px solid var(--c-accent);
}
.timeline-item.is-current::before { background: var(--c-accent); }
.timeline-date { display: inline-block; font-size: .76rem; font-weight: 700; letter-spacing: .04em; color: var(--c-accent-dark); background: var(--c-accent-light); padding: .28rem .7rem; border-radius: 999px; margin-bottom: .7rem; }
.timeline-item h3 { font-size: 1.18rem; }
.timeline-item .role-company { font-size: .88rem; font-weight: 700; color: var(--c-ink-faint); margin-top: .2rem; margin-bottom: .8rem; }
.timeline-item ul { display: grid; gap: .5rem; }
.timeline-item li { position: relative; padding-left: 1.15rem; font-size: .93rem; color: var(--c-ink-soft); line-height: 1.6; }
.timeline-item li::before { content: ''; position: absolute; left: 0; top: .55em; width: 5px; height: 5px; border-radius: 50%; background: var(--c-accent); }

/* ============================================================
   ABOUT — skills / services
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); }
.skill-list { display: grid; gap: 1.35rem; }
.skill-row .skill-top { display: flex; justify-content: space-between; margin-bottom: .55rem; font-family: var(--font-display); font-weight: 700; font-size: .92rem; }
.skill-row .skill-top span:last-child { color: var(--c-accent-dark); }
.skill-track { height: 8px; border-radius: 999px; background: var(--c-line); overflow: hidden; }
.skill-fill { height: 100%; width: 0%; border-radius: 999px; background: linear-gradient(90deg, var(--c-accent), var(--c-accent-dark)); transition: width 1.4s var(--ease); }

.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.service-card {
  padding: 1.6rem; background: var(--c-bg-alt); border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: transparent; }
.service-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--c-ink); color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem; }
.service-card h4 { font-size: 1.02rem; margin-bottom: .5rem; }
.service-card p { font-size: .87rem; }

/* ============================================================
   REFERENCES (testimonials slot, factual — no fabricated quotes)
   ============================================================ */
.refs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.ref-card {
  position: relative;
  background: var(--c-bg-alt); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow-soft);
  transform-style: preserve-3d; will-change: transform;
  transition: box-shadow .35s var(--ease), transform .18s ease;
}
.ref-card:hover { box-shadow: var(--shadow-card); }
.ref-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.3rem; }
.ref-avatar {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; color: #fff; font-size: 1rem;
  background: linear-gradient(135deg, var(--c-accent), #ff8a7f);
}
.ref-name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.ref-role { font-size: .82rem; color: var(--c-ink-faint); margin-top: .15rem; }
.ref-note { font-size: .92rem; }
.ref-badge { margin-top: 1.2rem; }

/* ============================================================
   WORK / PROJECTS
   ============================================================ */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.work-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-soft);
  transition: transform .18s ease, box-shadow .18s ease;
  will-change: transform;
}
.work-card:hover {
  /* box-shadow only — .work-card carries the GSAP-driven .reveal class,
     which keeps an inline `transform` on the element for its scroll-in
     animation. A CSS transform here would either be silently overridden by
     that inline style, or (if forced free via clearProps) cause a visible
     snap back to the .reveal class's hidden-state transform the instant
     GSAP lets go of it. Shadow/border/z-index are untouched by GSAP, so
     they animate cleanly with no conflict either way. */
  z-index: 2;
  box-shadow: 0 16px 32px -14px rgba(20, 22, 26, 0.22);
}
.work-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}
.work-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.work-card:hover .work-card-media img { transform: scale(1.06) rotate(.3deg); }
.work-card-badge {
  position: absolute; top: .9rem; left: .9rem;
  font-size: .68rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
  background: rgba(20,22,26,.72); color: #fff; padding: .35rem .65rem; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.work-card-body { padding: 1.5rem; }
.work-card-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .9rem; }
.work-card-tags span { font-size: .7rem; font-weight: 700; color: var(--c-ink-faint); background: var(--c-bg); border: 1px solid var(--c-line); padding: .25rem .55rem; border-radius: 999px; }
.work-card h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.work-card p { font-size: .88rem; }

/* ============================================================
   CERTIFICATIONS & ARTICLES
   ============================================================ */
.creds-stats {
  display: flex; justify-content: center; gap: clamp(2rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.2rem, 5vw, 3rem);
  margin-bottom: clamp(2.2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--c-line);
}
.creds-stats .hero-stat { text-align: center; }

.creds-panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2rem); align-items: start; }
.creds-panel {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
}
.creds-panel h4 {
  display: flex; align-items: center; gap: .7rem;
  font-size: 1.02rem; margin-bottom: 1.3rem;
}
.creds-panel h4 .ic {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: var(--c-accent-light); color: var(--c-accent-dark);
  display: flex; align-items: center; justify-content: center;
}

.chip { font-size: .8rem; font-weight: 600; padding: .5rem .95rem; border-radius: 999px; background: var(--c-bg-alt); border: 1px solid var(--c-line); }

.creds-list { display: grid; gap: .9rem; }
.creds-list li { display: flex; align-items: flex-start; gap: .7rem; font-size: .9rem; color: var(--c-ink-soft); line-height: 1.6; }
.creds-list .dot-ic { width: 6px; height: 6px; margin-top: .6em; border-radius: 50%; background: var(--c-accent); flex-shrink: 0; }
.creds-list a { transition: color .2s; }
.creds-list a:hover { color: var(--c-accent-dark); text-decoration: underline; }

.article-list { display: grid; gap: 1rem; }
.article-card {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.3rem 1.5rem; background: var(--c-bg-alt); border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  transition: border-color .3s, transform .3s var(--ease);
}
.article-card:hover { border-color: var(--c-accent); transform: translateX(4px); }
.article-kind { font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--c-accent-dark); margin-bottom: .3rem; display: block; }
.article-card strong { font-size: .95rem; font-weight: 700; display: block; line-height: 1.4; }
.article-venue { font-size: .8rem; color: var(--c-ink-faint); margin-top: .3rem; display: block; }
.article-arrow { width: 34px; height: 34px; border-radius: 50%; background: var(--c-bg); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* ============================================================
   BLOG LIST/POST PAGES (assets/css/blog.css also relies on these)
   ============================================================ */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.5rem; }
.post-card { background: var(--c-bg-alt); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.post-card:hover { box-shadow: var(--shadow-card); } /* no transform here — see .work-card:hover comment */
.post-card-cover { aspect-ratio: 16/10; }
.post-card-body { padding: 1.4rem; }
.post-card-date { font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--c-ink-faint); }
.post-card h3 { font-size: 1.03rem; margin: .55rem 0 .6rem; }
.post-card p { font-size: .87rem; }
.post-card-tags { margin-top: 1rem; display: flex; gap: .4rem; flex-wrap: wrap; }
.post-empty { padding: 2.5rem; text-align: center; color: var(--c-ink-faint); border: 1px dashed var(--c-line-strong); border-radius: var(--radius); grid-column: 1 / -1; }

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.contact-title { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.contact-links { margin-top: 2.2rem; display: grid; gap: 1rem; }
.contact-link { display: flex; align-items: center; gap: 1rem; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.contact-link .ic { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--c-accent); }
.contact-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 2rem; }
.contact-card h4 { font-size: 1rem; margin-bottom: 1.2rem; }
.social-row { display: flex; gap: .7rem; margin-top: 1.6rem; }
.social-row a { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; transition: background .3s, transform .3s; }
.social-row a:hover { background: var(--c-accent); transform: translateY(-3px); }

.site-footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: clamp(3rem,6vw,5rem); padding-top: 1.8rem; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: .82rem; color: rgba(255,255,255,.5); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-lede { margin-inline: auto; }
  .hero-social { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-portrait { order: -1; margin-bottom: 1rem; }
  .resume-grid, .about-grid, .creds-panels, .contact-wrap { grid-template-columns: 1fr; }
  .edu-card { position: static; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  #hero-canvas { display: none; }
}

@media (max-width: 700px) {
  .refs-grid, .services-grid, .work-grid, .post-grid { grid-template-columns: 1fr; }
  .creds-stats { gap: 1.6rem 2.4rem; }
  .hero-stats { flex-wrap: wrap; gap: 1.6rem; }
}