/* ===================== NAV ===================== */
.nav {
  position: fixed; top: 20px; left: 0; right: 0;
  z-index: 100; display: flex; justify-content: center;
  pointer-events: none;
}
.nav-inner {
  pointer-events: auto;
  display: flex; align-items: center; gap: 6px;
  padding: 8px 8px 8px 18px;
  background: oklch(1 0 0 / 0.75);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 14px;
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600; font-size: 13px;
  display: inline-flex; align-items: center; gap: 8px;
  padding-right: 14px;
  border-right: 1px solid var(--line-soft);
}
.nav-logo .dot { width: 8px; height: 8px; background: var(--acc); border-radius: 50%; box-shadow: 0 0 12px var(--acc); }
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px;
  color: var(--text-2); transition: color .2s, background .2s;
  font-weight: 500;
}
.nav-links a:hover { color: var(--acc); background: var(--bg-card); }
.nav-lang {
  display: flex; align-items: center; gap: 0;
  margin-left: 6px; padding: 4px;
  background: var(--bg-deep);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
}
.nav-lang button {
  padding: 6px 10px; border-radius: 999px;
  color: var(--text-3); transition: all .2s;
}
.nav-lang button.on { background: var(--acc); color: var(--acc-ink); }
.nav-cta {
  margin-left: 4px;
  padding: 10px 18px;
  background: var(--acc); color: var(--acc-ink);
  border-radius: 999px; font-weight: 600;
  transition: background .2s;
}
.nav-cta:hover { background: var(--acc-deep); }

@media (max-width: 820px) {
  .nav-links, .nav-cta { display: none; }
}

/* ===================== HERO ===================== */
.hero {
  padding-top: 160px; padding-bottom: 80px;
  border-top: none;
  position: relative;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 20px 36px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
  margin-bottom: 48px;
  align-items: center;
}
.hero-meta .status {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--acc);
}
.hero-meta .status .pulse {
  width: 8px; height: 8px; background: var(--acc); border-radius: 50%;
  animation: pulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 0 0 var(--acc);
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 oklch(0.38 0.14 18 / 0.5); }
  50% { box-shadow: 0 0 0 8px oklch(0.38 0.14 18 / 0); }
}

.hero-name {
  font-size: clamp(64px, 13vw, 200px);
  font-weight: 600;
  line-height: 0.85;
  letter-spacing: -0.045em;
  display: flex; flex-direction: column;
  margin-bottom: 32px;
}
.hero-name span:nth-child(2) {
  color: var(--text-3);
  position: relative;
}
.hero-name span:nth-child(2)::before {
  content: "/"; color: var(--acc); margin-right: 0.2em;
  font-style: italic;
}

.hero-grid {
  display: grid; grid-template-columns: 1.6fr 1fr;
  gap: 64px; align-items: end;
  margin-top: 32px;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.hero-tagline {
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 500;
  max-width: 720px;
}
.hero-tagline .word { display: inline-block; margin-right: 0.25em; }
.hero-tagline .word:nth-child(3),
.hero-tagline .word:nth-child(4) { color: var(--acc); }
.hero-tagline em.serif { color: var(--text-2); font-weight: 400; }

.hero-side {
  display: flex; flex-direction: column; gap: 28px;
}
.hero-intro {
  color: var(--text-2);
  font-size: 16px; line-height: 1.6;
  max-width: 380px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-kpis {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 80px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.hero-kpis .kpi {
  padding: 28px 0;
  border-right: 1px solid var(--line-soft);
  display: flex; flex-direction: column; gap: 8px;
}
.hero-kpis .kpi:last-child { border-right: 0; }
.hero-kpis .kpi:not(:first-child) { padding-left: 32px; }
.kpi-n {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 600; letter-spacing: -0.03em;
  font-family: 'Space Grotesk', sans-serif;
}
.kpi-l {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ===================== ABOUT ===================== */
.about-grid {
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: 64px;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }

.about-body { display: flex; flex-direction: column; gap: 20px; }
.about-body p {
  font-size: 20px; line-height: 1.55; color: var(--text-2);
  max-width: 620px;
}
.about-body p:first-child { color: var(--text); font-size: 22px; }

.about-facts {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--line-soft);
  align-self: start;
}
.about-facts .row {
  display: grid; grid-template-columns: 1fr 1.5fr;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  gap: 16px;
}
.about-facts .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.about-facts .v { font-size: 15px; font-weight: 500; }

/* ===================== SKILLS ===================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.skills-grid .cat {
  grid-column: span 2;
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
  transition: border-color .25s, transform .25s;
}
.skills-grid .cat:hover { border-color: var(--text-4); transform: translateY(-2px); }
.skills-grid .cat:nth-child(1),
.skills-grid .cat:nth-child(4) { grid-column: span 3; }
.skills-grid .cat:nth-child(2),
.skills-grid .cat:nth-child(5) { grid-column: span 3; }
@media (max-width: 1000px) {
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid .cat,
  .skills-grid .cat:nth-child(1),
  .skills-grid .cat:nth-child(2),
  .skills-grid .cat:nth-child(4),
  .skills-grid .cat:nth-child(5) { grid-column: span 1; }
}
@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
  .skills-grid .cat { grid-column: span 1 !important; }
}

.cat-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.cat-name { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; }
.cat-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-4);
}
.cat-desc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
  text-transform: lowercase;
}
.cat-items {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 8px;
}
.cat-items .chip {
  padding: 7px 12px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
  transition: all .2s;
}
.cat-items .chip:hover { color: var(--text); border-color: var(--text-3); }

.concepts {
  margin-top: 32px;
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 28px;
}
.concepts .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-right: 24px;
  align-self: center;
}
.concepts .chip {
  padding: 6px 14px;
  font-size: 13px; color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}
.concepts .chip:not(:last-child)::after {
  content: "·"; margin-left: 14px; color: var(--text-4);
}

/* ===================== EXPERIENCE ===================== */
.exp-list { display: flex; flex-direction: column; }
.exp-row {
  display: grid; grid-template-columns: 220px 1fr auto;
  gap: 48px;
  padding: 36px 0;
  border-top: 1px solid var(--line-soft);
  transition: padding .25s ease;
  position: relative;
}
.exp-row:last-child { border-bottom: 1px solid var(--line-soft); }
.exp-row:hover { padding-left: 16px; }
.exp-row:hover .exp-arrow { opacity: 1; transform: translateX(0); }
.exp-row::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--acc); transform: scaleY(0); transform-origin: top;
  transition: transform .3s ease;
}
.exp-row:hover::before { transform: scaleY(1); }

.exp-when {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--text-3);
  padding-top: 6px;
}
.exp-body { display: flex; flex-direction: column; gap: 8px; max-width: 720px; }
.exp-where {
  font-size: 26px; font-weight: 600; letter-spacing: -0.02em;
}
.exp-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--acc);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.exp-desc { color: var(--text-2); font-size: 16px; line-height: 1.55; margin-top: 6px; }
.exp-arrow {
  font-size: 28px; color: var(--text-4);
  opacity: 0; transform: translateX(-10px); transition: all .3s;
  align-self: center;
}

@media (max-width: 800px) {
  .exp-row { grid-template-columns: 1fr; gap: 12px; }
  .exp-arrow { display: none; }
}

/* ===================== PROJECTS ===================== */
.projects-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) { .projects-grid { grid-template-columns: 1fr; } }

.project-card {
  position: relative;
  padding: 32px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 480px;
  transition: border-color .3s, transform .3s;
}
.project-card:hover { border-color: var(--acc); }
.project-card:hover .pc-arrow { transform: translate(0, 0); opacity: 1; }
.project-card:hover .pc-cover .grid-fx { opacity: 1; }

.pc-head {
  display: flex; justify-content: space-between;
  align-items: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
  margin-bottom: 24px;
}
.pc-status {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px;
  background: var(--acc-tint-12);
  color: var(--acc);
  border-radius: 999px;
  font-size: 11px;
}
.pc-status .pulse {
  width: 6px; height: 6px; background: var(--acc); border-radius: 50%;
  animation: pulse 1.8s ease-in-out infinite;
}
.pc-cover {
  position: relative;
  flex: 1; min-height: 200px;
  margin: 0 -32px 24px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-deep);
  overflow: hidden;
}
.pc-cover .grid-fx {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--acc-tint-08) 1px, transparent 1px),
    linear-gradient(90deg, var(--acc-tint-08) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5; transition: opacity .4s;
}
.pc-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.pc-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600; letter-spacing: -0.02em;
  line-height: 1; margin-bottom: 8px;
}
.pc-sub {
  color: var(--text-2); font-size: 15px; line-height: 1.5;
  margin-bottom: 20px; max-width: 92%;
}
.pc-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
}
.pc-tags .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  padding: 4px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

.pc-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 20px; padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.pc-foot .open-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-2);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.pc-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--acc); color: var(--acc-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  transform: translate(-6px, 6px); opacity: 0.6;
  transition: all .3s;
}

/* Soon card */
.project-card.soon {
  border-style: dashed;
  cursor: default;
  background: transparent;
  align-items: center; justify-content: center;
  text-align: center;
}
.project-card.soon:hover { border-color: var(--line); transform: none; }
.project-card.soon .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px; color: var(--text-3);
  margin-top: 12px;
}
.project-card.soon .plus {
  font-size: 64px; font-weight: 300;
  color: var(--text-4);
  line-height: 1;
}

/* ===================== CONTACT ===================== */
.contact-wrap {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 64px; align-items: end;
}
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; gap: 32px; } }

.contact-title {
  font-size: clamp(64px, 11vw, 160px);
  font-weight: 600; letter-spacing: -0.045em;
  line-height: 0.9;
}
.contact-title .acc { color: var(--acc); font-style: italic; font-family: 'Instrument Serif', serif; font-weight: 400; }

.contact-sub { color: var(--text-2); font-size: 18px; line-height: 1.5; max-width: 520px; margin-top: 28px; }

.contact-side { display: flex; flex-direction: column; gap: 14px; }
.contact-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: all .25s;
}
.contact-link:hover { border-color: var(--acc); transform: translateX(4px); }
.contact-link .l-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.contact-link .l-val { font-size: 16px; font-weight: 500; }
.contact-link .l-arr { font-size: 18px; color: var(--text-3); transition: transform .2s; }
.contact-link:hover .l-arr { color: var(--acc); transform: translate(2px, -2px); }

.email-copy {
  display: inline-flex; align-items: center; gap: 6px;
  margin-left: 12px;
  padding: 3px 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--text-3);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer;
}
.email-copy:hover { color: var(--acc); border-color: var(--acc); }
.email-copy.ok { color: var(--acc); border-color: var(--acc); }

/* ===================== FOOTER ===================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
  flex-wrap: wrap; gap: 12px;
}
.footer .clock { color: var(--text-2); }

/* ===================== PROJECT DETAIL OVERLAY ===================== */
.proj-overlay {
  position: fixed; inset: 0;
  z-index: 200;
  background: var(--bg-deep);
  overflow-y: auto;
  animation: overlay-in .5s cubic-bezier(.2,.8,.2,1);
}
@keyframes overlay-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.proj-bar {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 32px;
  background: oklch(1 0 0 / 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.proj-bar .breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
}
.proj-bar .breadcrumb .acc { color: var(--acc); }
.proj-bar .close {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  transition: all .2s;
}
.proj-bar .close:hover { background: var(--bg-card); border-color: var(--text-3); }

.proj-hero {
  padding: 80px 32px 60px;
  max-width: var(--maxw); margin: 0 auto;
  border-bottom: 1px solid var(--line-soft);
}
.proj-hero .meta {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-3);
  margin-bottom: 32px;
}
.proj-hero .meta span { padding: 4px 12px; border: 1px solid var(--line-soft); border-radius: 999px; }
.proj-hero .meta .status { background: var(--acc-tint-12); color: var(--acc); border-color: transparent; }
.proj-hero h1 {
  font-size: clamp(56px, 9vw, 140px);
  font-weight: 600; line-height: 0.9; letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.proj-hero .subtitle {
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--text-2); max-width: 920px; line-height: 1.35;
  font-weight: 400;
}

.proj-cta {
  margin-top: 28px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.demo-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px;
  background: var(--acc); color: var(--acc-ink);
  border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid var(--acc);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.demo-btn:hover {
  background: var(--acc-deep); border-color: var(--acc-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--acc-tint-12);
}
.demo-btn .demo-arr { font-size: 16px; transition: transform .2s; }
.demo-btn:hover .demo-arr { transform: translate(2px, -2px); }
.demo-btn .demo-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--acc-ink);
  animation: pulse 1.8s ease-in-out infinite;
}
.demo-btn.disabled {
  background: var(--bg-elev); color: var(--text-3);
  border-color: var(--line); cursor: default;
}
.demo-btn.disabled:hover {
  background: var(--bg-elev); border-color: var(--line);
  transform: none; box-shadow: none;
}
.demo-note {
  font-size: 12px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.proj-cover {
  height: 320px;
  background: var(--bg);
  border-bottom: 1px solid var(--line-soft);
  position: relative; overflow: hidden;
}
.proj-cover .grid-fx {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--acc-tint-12) 1px, transparent 1px),
    linear-gradient(90deg, var(--acc-tint-12) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 90%);
}
.proj-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.proj-body {
  max-width: var(--maxw); margin: 0 auto; padding: 80px 32px;
  display: grid; grid-template-columns: 280px 1fr;
  gap: 80px;
}
@media (max-width: 900px) {
  .proj-body { grid-template-columns: 1fr; gap: 40px; padding: 40px 20px; }
  .proj-hero { padding: 60px 20px 40px; }
  .proj-cover { height: 200px; }
}

.proj-side { display: flex; flex-direction: column; gap: 32px; position: sticky; top: 100px; align-self: start; }
.proj-side h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.proj-side .row { display: flex; flex-direction: column; gap: 6px; }
.proj-side .row .v { font-size: 15px; font-weight: 500; }
.proj-side .stack {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.proj-side .stack .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-2);
  padding: 4px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

.proj-content { display: flex; flex-direction: column; gap: 48px; }
.proj-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
@media (max-width: 700px) { .proj-metrics { grid-template-columns: 1fr 1fr; } }
.proj-metrics .m {
  padding: 24px 0;
  border-right: 1px solid var(--line-soft);
  display: flex; flex-direction: column; gap: 8px;
}
.proj-metrics .m:not(:first-child) { padding-left: 24px; }
.proj-metrics .m:last-child { border-right: 0; }
.proj-metrics .mn {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600; letter-spacing: -0.02em;
  color: var(--acc);
}
.proj-metrics .ml {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
}

.proj-sec h3 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.proj-sec p {
  font-size: 18px; line-height: 1.6; color: var(--text-2);
  max-width: 760px;
}