/* ==========================================================================
   CDXED — Public Site Styles
   ========================================================================== */

/* ---------------- Nav ---------------- */
.nav{
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 22px 0;
  transition: padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  padding: 14px 0;
  background: rgba(5,7,13,.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav .container{ display: flex; align-items: center; justify-content: space-between; }
.logo{ display: flex; align-items: center; font-family: var(--font-logo); font-weight: 700; font-size: 21px; letter-spacing: .1em; }

.x{ color: var(--blue-bright); }

.nav-links{ display: flex; align-items: center; gap: 36px; }
.nav-links a{
  font-family: var(--font-ui); font-weight: 500; font-size: 14.5px;
  color: var(--ink-dim); position: relative; padding: 4px 0;
  transition: color .3s var(--ease);
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--blue-bright); transition: width .3s var(--ease);
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a:hover::after{ width: 100%; }

.nav-cta{ display: flex; align-items: center; gap: 18px; }
.nav-burger{
  display: none; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--surface-2);
  align-items: center; justify-content: center;
}
.nav-burger svg{ width: 18px; height: 18px; }

.mobile-menu{
  position: fixed; inset: 0; z-index: 99;
  background: rgba(5,7,13,.98); backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 30px;
  opacity: 0; pointer-events: none; transform: translateY(-8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.mobile-menu.open{ opacity: 1; pointer-events: auto; transform: translateY(0); }
.mobile-menu a{ font-family: var(--font-ui); font-weight: 500; font-size: 26px; color: var(--ink); }
.mobile-menu .btn{ margin-top: 10px; }

/* ---------------- Hero ---------------- */
.hero{
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 140px; padding-bottom: 80px;
  position: relative; z-index: 1;
}
.hero .container{
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
}
.hero-hello{ display: flex; align-items: baseline; gap: 8px; }
.hero-hello .dot{ color: var(--blue-bright); }
.hero-name{ color: var(--blue-bright); font-style: normal; }
.hero h1{ margin-bottom: 10px; }
.hero .role{
  font-family: var(--font-display); font-weight: 600; font-size: clamp(1.3rem,2.2vw,1.7rem);
  color: var(--ink-dim); margin: 0 0 22px;
}
.hero-actions{ display: flex; gap: 16px; margin: 30px 0 34px; flex-wrap: wrap; }

.meta-chips{ display: flex; flex-wrap: wrap; gap: 10px; }
.chip{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-pill);
  background: var(--surface-2); border: 1px solid var(--line);
  font-family: var(--font-ui); font-size: 13px; color: var(--ink-dim);
}
.chip svg{ width: 14px; height: 14px; color: var(--blue-bright); flex: none; }
.chip.status{ color: var(--ink); }
.chip.status .pulse-dot{
  width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 0 rgba(46,230,166,.6);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot{
  0%{ box-shadow: 0 0 0 0 rgba(46,230,166,.55); }
  70%{ box-shadow: 0 0 0 8px rgba(46,230,166,0); }
  100%{ box-shadow: 0 0 0 0 rgba(46,230,166,0); }
}

/* --- hero visual: signature timeline-ring portrait --- */
.hero-visual{ position: relative; width: 100%; max-width: 420px; margin: 0 auto; aspect-ratio: 1/1; }
.ring-wrap{
  position: absolute; inset: 0;
  animation: ringSpin 90s linear infinite;
}
@media (prefers-reduced-motion: reduce){ .ring-wrap{ animation: none; } }
@keyframes ringSpin{ to{ transform: rotate(360deg); } }
.ring-wrap svg{ width: 100%; height: 100%; }
.ring-tick{ stroke: var(--line-strong); }
.ring-tick.accent{ stroke: var(--blue-bright); }
.ring-arc{ stroke: var(--blue); }

.photo-frame{
  position: absolute; inset: 11%;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-deep), var(--surface-2));
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.7), 0 0 0 1px rgba(47,110,255,.1) inset;
}
.photo-frame img{ width: 100%; height: 100%; object-fit: cover; }
.photo-frame .avatar-fallback{ width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.photo-frame .avatar-fallback svg{ width: 46%; height: 46%; color: var(--blue-bright); opacity: .55; }

.rec-badge{
  position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--line-strong);
  padding: 9px 16px; border-radius: var(--radius-pill);
  font-family: var(--font-ui); font-size: 12.5px; letter-spacing: .04em; color: var(--ink-dim);
  box-shadow: 0 14px 30px -10px rgba(0,0,0,.6);
  white-space: nowrap;
}
.rec-badge .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--danger); animation: recBlink 1.4s infinite; }
@keyframes recBlink{ 0%,100%{ opacity:1; } 50%{ opacity:.25; } }
@media (prefers-reduced-motion: reduce){ .rec-badge .dot{ animation: none; } }
.rec-badge b{ color: var(--ink); font-variant-numeric: tabular-nums; font-weight: 500; }

/* ---------------- Tools strip ---------------- */
.tools-strip{ padding: 50px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; z-index: 1; }
.tools-strip .container{ display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: center; }
.tools-strip .label{ font-family: var(--font-ui); font-size: 12.5px; color: var(--ink-faint); letter-spacing: .08em; text-transform: uppercase; margin-right: 6px; }
.tool-pill{
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 18px; border-radius: var(--radius-pill);
  background: var(--surface-2); border: 1px solid var(--line);
  font-family: var(--font-ui); font-weight: 500; font-size: 13.5px; color: var(--ink-dim);
  transition: border-color .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.tool-pill:hover{ border-color: var(--blue-bright); color: var(--ink); transform: translateY(-2px); }
.tool-pill svg{ width: 16px; height: 16px; color: var(--blue-bright); }

/* ---------------- About ---------------- */
.about-grid{ display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: start; }
.about-bio p{ font-size: 1.03rem; }
.about-meta{ margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.about-meta .row{ display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink-dim); line-height: 1.5; }
.about-meta .row:nth-child(2) { align-items: center; }
.about-meta svg{ width: 18px; height: 18px; color: var(--blue-bright); flex: none; margin-top: 2px; }
.about-meta b{ color: var(--ink); font-weight: 500; }


.stats-row{ display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 40px; }
.stat-card{
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 22px 18px; text-align: left;
}
.stat-num{ font-family: var(--font-display); font-weight: 700; font-size: 2.1rem; color: var(--ink); display: flex; align-items: baseline; gap: 2px; }
.stat-num .suffix{ color: var(--blue-bright); font-size: 1.3rem; }
.stat-label{ font-family: var(--font-ui); font-size: 12.5px; color: var(--ink-faint); margin-top: 6px; }

.skills-panel{
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px;
}
.skills-panel h3{ font-family: var(--font-ui); font-size: 14px; letter-spacing:.06em; text-transform: uppercase; color: var(--ink-faint); font-weight: 500; margin-bottom: 24px; }
.skill-item{ margin-bottom: 20px; }
.skill-item:last-child{ margin-bottom: 0; }
.skill-top{ display: flex; justify-content: space-between; margin-bottom: 8px; font-family: var(--font-ui); font-size: 14px; }
.skill-top span:first-child{ color: var(--ink); font-weight: 500; }
.skill-top span:last-child{ color: var(--blue-bright); }
.skill-track{ height: 7px; background: var(--elevated); border-radius: var(--radius-pill); overflow: hidden; }
.skill-fill{
  height: 100%; width: 0%; border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--blue-deep), var(--blue-bright));
  transition: width 1.1s var(--ease);
}

/* ---------------- Projects ---------------- */
.section-head{ display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 54px; flex-wrap: wrap; }
.section-head .lede{ margin-top: 12px; }
.projects-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project-card{
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.project-card:hover{ transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 30px 60px -24px rgba(0,0,0,.55); }
.project-thumb{
  position: relative; aspect-ratio: 16/10; background: linear-gradient(150deg, var(--blue-deep), var(--surface));
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.project-thumb img{ width: 100%; height: 100%; object-fit: cover; }
.project-thumb .play-glyph{
  width: 58px; height: 58px; border-radius: 50%; background: rgba(5,7,13,.55);
  border: 1px solid rgba(255,255,255,.25); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  position: absolute; inset: 0; margin: auto;
  transition: transform .35s var(--ease), background .35s var(--ease);
}
.project-thumb .play-glyph svg{ width: 20px; height: 20px; color: #fff; margin-left: 3px; }
.project-card:hover .play-glyph{ transform: scale(1.1); background: var(--blue); }
.project-body{ padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project-client{ font-family: var(--font-ui); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-bright); }
.project-body h3{ margin: 0; }
.project-desc{ font-size: 14px; margin: 0; flex: 1; }
.project-dates{ display: flex; gap: 18px; margin-top: 6px; flex-wrap: wrap; }
.project-dates span{ font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); }
.project-dates b{ color: var(--ink-dim); font-weight: 500; }

.empty-state{
  grid-column: 1 / -1; text-align: center; padding: 60px 30px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  color: var(--ink-faint);
}
.empty-state svg{ width: 42px; height: 42px; color: var(--blue-bright); margin-bottom: 16px; opacity:.7; }

/* ---------------- Certificates timeline ---------------- */
.timeline{ position: relative; padding-left: 34px; }
.timeline::before{
  content:''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--blue), var(--line));
}
.tl-item{ position: relative; padding-bottom: 42px; }
.tl-item:last-child{ padding-bottom: 0; }
.tl-dot{
  position: absolute; left: -34px; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--void); border: 2px solid var(--blue-bright);
  box-shadow: 0 0 0 4px var(--void);
}
.tl-card{
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 22px 26px;
}
.tl-card-head{ display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.tl-dates{ font-family: var(--font-ui); font-size: 12.5px; color: var(--blue-bright); white-space: nowrap; }
.tl-teaches{ font-family: var(--font-ui); font-size: 12px; letter-spacing: .04em; color: var(--ink-faint); text-transform: uppercase; margin: 4px 0 10px; }
.tl-card p{ margin: 0; font-size: 14px; }
.tl-badge{ width: 44px; height: 44px; border-radius: var(--radius-sm); object-fit: cover; border: 1px solid var(--line-strong); }
.tl-badge-pdf{
  display: flex; align-items: center; justify-content: center; flex: none;
  background: var(--elevated); color: var(--blue-bright); transition: border-color .25s var(--ease);
}
.tl-badge-pdf:hover{ border-color: var(--blue-bright); }
.tl-badge-pdf svg{ width: 20px; height: 20px; }

/* ---------------- Contact / CTA ---------------- */
.contact-panel{
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-strong); border-radius: 28px;
  padding: 70px; position: relative; overflow: hidden;
  text-align: center;
}
.contact-panel::before{
  content:''; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, var(--blue-glow), transparent 65%);
  top: -220px; right: -160px; pointer-events: none;
}
.contact-panel h2{ max-width: 760px; margin: 0 auto 18px; }
.contact-panel .lede{ margin: 0 auto 40px; max-width: 620px; }
.contact-actions{ display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.contact-copy-row{ margin-top: 26px; display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.copy-item{
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-ui); font-size: 13.5px; color: var(--ink-faint);
  cursor: pointer; transition: color .25s var(--ease);
}
.copy-item:hover{ color: var(--blue-bright); }
.copy-item svg{ width: 15px; height: 15px; }

/* ---------------- Footer ---------------- */
.site-footer{ padding: 50px 0 34px; border-top: 1px solid var(--line); position: relative; z-index: 1; }
.site-footer .container{ display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-links{ display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a{ font-family: var(--font-ui); font-size: 13.5px; color: var(--ink-faint); transition: color .25s var(--ease); }
.footer-links a:hover{ color: var(--blue-bright); }
.footer-copy{ font-size: 12.5px; color: var(--ink-faint); }

/* ---------------- Modal (project detail) ---------------- */
.modal-overlay{
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3,5,10,.82); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease);
}
.modal-overlay.open{ opacity: 1; pointer-events: auto; }
.modal-box{
  background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
  max-width: 780px; width: 100%; max-height: 88vh; overflow-y: auto;
  transform: translateY(24px) scale(.98); transition: transform .35s var(--ease);
}
.modal-overlay.open .modal-box{ transform: translateY(0) scale(1); }
.modal-video{ width: 100%; aspect-ratio: 16/9; background: #000; }
.modal-video video, .modal-video iframe{ width: 100%; height: 100%; border: 0; }
.modal-video-external{
  width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  color: #fff; font-family: var(--font-ui); font-size: 14px; text-decoration: none;
}
.modal-video-external svg{ width: 26px; height: 26px; }
.modal-content{ padding: 32px; }
.modal-close{
  position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(5,7,13,.6); border: 1px solid rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center; z-index: 2;
}
.modal-close svg{ width: 16px; height: 16px; color: #fff; }
.modal-head{ display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; flex-wrap: wrap; margin-bottom: 6px; }
.modal-link{ display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-ui); font-size: 13px; color: var(--blue-bright); margin-top: 10px; }
.modal-link svg{ width: 13px; height: 13px; }

/* ---------------- Skeleton loading ---------------- */
.skel{ background: linear-gradient(90deg, var(--surface-2) 25%, var(--elevated) 37%, var(--surface-2) 63%); background-size: 400% 100%; animation: skelWave 1.4s ease infinite; border-radius: var(--radius-md); }
@keyframes skelWave{ 0%{ background-position: 100% 50%; } 100%{ background-position: 0 50%; } }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .nav-links{ display: none; }
  .nav-cta .btn-ghost{ display: none; }
  .nav-burger{ display: flex; }
  .hero .container{ grid-template-columns: 1fr; text-align: center; }
  .hero-actions{ justify-content: center; }
  .meta-chips{ justify-content: center; }
  .hero-visual{ order: -1; max-width: 300px; margin-bottom: 20px; }
  .about-grid{ grid-template-columns: 1fr; gap: 44px; }
  .about-meta .row{ justify-content: flex-start; }
  .stats-row{ grid-template-columns: repeat(3,1fr); }
  .projects-grid{ grid-template-columns: 1fr; }
  .contact-panel{ padding: 48px 26px; }
  .section-head{ flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px){
  .stats-row{ grid-template-columns: 1fr 1fr; }
  .stats-row .stat-card:last-child{ grid-column: 1 / -1; }
  .contact-panel{ border-radius: 20px; }
  .modal-content{ padding: 22px; }
}