/* ============================================================
   jack-low — section styles
   ============================================================ */

/* ---------- HERO ---------- */
.hero { padding-top: clamp(110px, 16vh, 170px); min-height: 100vh; display: flex; align-items: center; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--ink-faint);
  margin-bottom: 18px;
}
.hero-eyebrow .b { color: var(--magenta); }
.hero h1 {
  font-family: var(--font-disp);
  font-weight: 800;
  font-size: clamp(52px, 8vw, 104px);
  line-height: .95;
  letter-spacing: .01em;
  margin-bottom: 18px;
}
.hero-lead {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 22px;
}
.hero-lead .hl {
  color: var(--cyan);
  position: relative;
  text-shadow: 0 0 16px rgba(52,227,255,.5);
}
.hero-desc { color: var(--ink-dim); font-size: 15px; max-width: 44ch; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.tech-row { display: flex; gap: 16px; flex-wrap: wrap; }
.tech-row .chip {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink-dim);
  transition: .3s;
}
.tech-row .chip:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: var(--glow-cyan); transform: translateY(-3px); }
.tech-row .chip svg { width: 22px; height: 22px; }

/* hero right cluster */
.hero-stage { position: relative; display: grid; grid-template-columns: 1fr; gap: 16px; }
.hero-stage-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; align-items: start; }

/* terminal */
.terminal {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: rgba(6, 11, 24, 0.82);
  box-shadow: 0 12px 50px rgba(0,0,0,.5), inset 0 0 60px rgba(52,227,255,.04);
}
html[data-theme="light"] .terminal { background: rgba(245,248,255,.92); }
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.terminal-bar .d { width: 10px; height: 10px; border-radius: 50%; }
.terminal-bar .d.r { background: #ff5f57; }
.terminal-bar .d.y { background: #febc2e; }
.terminal-bar .d.g { background: #28c840; }
.terminal-bar .fn { margin-left: 8px; color: var(--ink-faint); font-size: 11px; }
.terminal-body { padding: 14px 16px; min-height: 250px; }
.code-line { white-space: pre; color: var(--ink-dim); }
.code-line .ln { color: var(--ink-faint); display: inline-block; width: 22px; user-select: none; }
.tok-kw { color: var(--magenta); }
.tok-fn { color: var(--cyan); }
.tok-str { color: var(--green); }
.tok-num { color: #ffb454; }
.tok-com { color: var(--ink-faint); font-style: italic; }
.tok-var { color: var(--ink); }
.caret {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.term-out { margin-top: 10px; color: var(--green); }
.term-out .pfx { color: var(--cyan); }

/* neural brain canvas */
.brain-box {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 230px;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 60% 40%, rgba(59,130,246,.12), transparent 70%);
}
.brain-box canvas { display: block; width: 100%; height: 100%; }
.brain-label {
  position: absolute; left: 12px; bottom: 10px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .15em; color: var(--ink-faint);
}

/* status / stats panels */
.stat-stack { display: grid; gap: 14px; }
.stat-card { padding: 14px 16px; }
.stat-card .hd {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .15em;
  color: var(--ink-faint); margin-bottom: 12px; display: flex; justify-content: space-between;
}
.status-row { display: flex; align-items: center; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; padding: 5px 0; }
.status-row .nm { color: var(--ink-dim); display: flex; align-items: center; gap: 8px; }
.status-row .nm::before { content: "▸"; color: var(--cyan); }
.status-row .st { color: var(--green); display: flex; align-items: center; gap: 7px; }
.status-row .st .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; transform: scale(.8); } }

.bigstat { display: flex; align-items: flex-end; justify-content: space-between; }
.bigstat .num { font-family: var(--font-disp); font-weight: 800; font-size: 52px; line-height: 1; color: var(--cyan); text-shadow: var(--glow-cyan); }
.bars { display: flex; gap: 3px; align-items: flex-end; height: 40px; }
.bars i { width: 6px; background: linear-gradient(var(--cyan), var(--blue)); border-radius: 2px 2px 0 0; opacity: .85; }

.commit .msg { color: var(--ink-dim); font-size: 11.5px; font-family: var(--font-mono); }
.commit .meta { display: flex; justify-content: space-between; margin-top: 8px; font-family: var(--font-mono); font-size: 11px; }
.commit .hash { color: var(--magenta); }
.commit .ago { color: var(--ink-faint); }

/* ---------- ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 54px); align-items: center; }
.about-text p { color: var(--ink-dim); margin-bottom: 6px; }
.about-text p .em { color: var(--ink); }
.tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.tag-pill {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  padding: 7px 14px; border: 1px solid var(--line-strong); border-radius: 6px;
  color: var(--cyan); background: rgba(52,227,255,.05);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: .25s;
}
.tag-pill:hover { background: rgba(52,227,255,.14); box-shadow: var(--glow-cyan); }

/* about scene (code-generated figure at monitors) */
.scene {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16/10;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #060c1c, #02040a);
}
.scene canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.scene .tagline {
  position: absolute; right: 12px; top: 10px;
  font-family: var(--font-mono); font-size: 10px; color: var(--ink-faint); letter-spacing: .1em;
}

/* ---------- SKILLS ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.skill-card {
  padding: 20px;
  display: flex; gap: 14px; align-items: flex-start;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  overflow: hidden;
}
.skill-card:hover { transform: translateY(-5px); box-shadow: 0 14px 40px rgba(52,227,255,.16); }
.skill-card .ic {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  background: rgba(52,227,255,.06);
}
.skill-card .ic svg { width: 24px; height: 24px; }
.skill-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.skill-card p { font-size: 12.5px; color: var(--ink-dim); line-height: 1.55; }
.skill-card .sweep {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(52,227,255,.10) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform .7s ease;
  pointer-events: none;
}
.skill-card:hover .sweep { transform: translateX(100%); }

/* ---------- WORKS ---------- */
.works-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 26px; }
.works-link { font-family: var(--font-mono); font-size: 13px; color: var(--cyan); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.works-link:hover { text-shadow: var(--glow-cyan); }
.works-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 1fr);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x mandatory;
}
.works-rail::-webkit-scrollbar { height: 6px; }
.works-rail::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }
@media (min-width: 1100px) { .works-rail { grid-auto-columns: 1fr; } }
.work-card {
  scroll-snap-align: start;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.work-card:hover { transform: translateY(-6px); box-shadow: 0 16px 44px rgba(139,92,246,.22); }
.work-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.work-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.2,.7,.2,1), filter .4s;
}
.work-card:hover .work-thumb img { transform: scale(1.035); filter: saturate(1.08) brightness(1.05); }
.work-thumb .ext {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px; display: grid; place-items: center;
  background: rgba(4,8,18,.7); border: 1px solid var(--line-strong); border-radius: 6px;
  color: var(--cyan); z-index: 2;
}
.work-thumb .ext svg { width: 13px; height: 13px; }
.work-body { padding: 14px 15px 16px; display: flex; flex-direction: column; flex: 1; }
.work-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.work-body p { font-size: 12px; color: var(--ink-dim); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.work-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.work-tags span {
  font-family: var(--font-mono); font-size: 10px;
  padding: 4px 8px; border: 1px solid var(--line); border-radius: 5px; color: var(--cyan);
  background: rgba(52,227,255,.05);
}

/* ---------- TIMELINE ---------- */
.timeline-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 54px); align-items: center; }
.tl-list { list-style: none; position: relative; padding-left: 26px; }
.tl-list::before {
  content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px;
  width: 1px; background: linear-gradient(var(--cyan), var(--violet), var(--magenta));
}
.tl-item { position: relative; padding: 12px 0; display: flex; gap: 18px; align-items: baseline; }
.tl-item::before {
  content: ""; position: absolute; left: -26px; top: 18px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg-0); border: 2px solid var(--cyan); box-shadow: var(--glow-cyan);
}
.tl-item .yr { font-family: var(--font-mono); font-size: 13px; color: var(--cyan); flex: none; width: 64px; }
.tl-item .ev { color: var(--ink-dim); font-size: 14px; }
.tl-item .ev .em { color: var(--ink); }
.constellation { position: relative; border-radius: 14px; overflow: hidden; aspect-ratio: 1/1; border: 1px solid var(--line); background: radial-gradient(circle at 70% 30%, rgba(139,92,246,.12), transparent 70%); }
.constellation canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------- CONTACT ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 4vw, 54px); align-items: center; }
.contact-lead { color: var(--ink-dim); margin-bottom: 26px; }
.contact-cards { display: grid; gap: 14px; }
.contact-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; text-decoration: none;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.contact-card:hover { transform: translateX(6px); box-shadow: 0 10px 30px rgba(52,227,255,.18); }
.contact-card .ic {
  width: 44px; height: 44px; flex: none; display: grid; place-items: center;
  border-radius: 10px; border: 1px solid var(--line-strong); background: rgba(52,227,255,.06); color: var(--cyan);
}
.contact-card .ic svg { width: 22px; height: 22px; }
.contact-card .lb { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: .1em; }
.contact-card .vl { color: var(--ink); font-size: 15px; }
.contact-art { position: relative; border-radius: 14px; overflow: hidden; aspect-ratio: 4/3; border: 1px solid var(--line); background: radial-gradient(circle at 50% 50%, rgba(244,59,208,.12), transparent 70%); }
.contact-art canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------- FOOTER ---------- */
.footer { padding: 30px 0; border-top: 1px solid var(--line); position: relative; z-index: 2; }
.footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer .brand { font-size: 16px; }
.footer .cr { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }
.to-top { background: none; border: 1px solid var(--line-strong); border-radius: 8px; width: 38px; height: 38px; display: grid; place-items: center; color: var(--cyan); cursor: pointer; transition: .25s; }
.to-top:hover { box-shadow: var(--glow-cyan); transform: translateY(-3px); }
.to-top svg { width: 18px; height: 18px; }

/* ---------- glitch ---------- */
.glitch { position: relative; display: inline-block; }
.glitch[data-active]::before, .glitch[data-active]::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0; width: 100%;
  clip-path: inset(0 0 0 0);
}
.glitch[data-active]::before { color: var(--magenta); animation: gl1 2.6s infinite linear alternate; }
.glitch[data-active]::after  { color: var(--cyan); animation: gl2 2s infinite linear alternate; }
@keyframes gl1 {
  0%,90%,100% { transform: none; opacity: 0; clip-path: inset(0 0 100% 0); }
  92% { opacity: .8; transform: translate(-3px,-2px); clip-path: inset(10% 0 60% 0); }
  96% { opacity: .8; transform: translate(3px,1px); clip-path: inset(50% 0 20% 0); }
}
@keyframes gl2 {
  0%,90%,100% { transform: none; opacity: 0; clip-path: inset(0 0 100% 0); }
  93% { opacity: .7; transform: translate(3px,2px); clip-path: inset(30% 0 40% 0); }
  97% { opacity: .7; transform: translate(-2px,-1px); clip-path: inset(70% 0 10% 0); }
}
@media (prefers-reduced-motion: reduce) {
  .glitch[data-active]::before, .glitch[data-active]::after { animation: none; opacity: 0; }
}

/* mobile menu panel */
.mobile-menu {
  position: fixed; inset: 0; z-index: 49;
  background: rgba(4,6,13,.96); backdrop-filter: blur(14px);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 26px;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
body.menu-open .mobile-menu { opacity: 1; pointer-events: auto; }
.mobile-menu a { font-size: 22px; color: var(--ink); text-decoration: none; font-family: var(--font-jp); }
.mobile-menu a:hover { color: var(--cyan); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .rail { display: none; }
}
@media (max-width: 900px) {
  .hero-grid, .about-grid, .timeline-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-stage { order: 2; }
  .skill-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .burger { display: block; }
  .works-rail { grid-auto-columns: 78%; }
  .about-grid .scene, .contact-art { order: -1; }
}
@media (max-width: 540px) {
  .skill-grid { grid-template-columns: 1fr; }
  .hero-stage-top { grid-template-columns: 1fr; }
  .footer .wrap { justify-content: center; text-align: center; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { justify-content: center; }
}

/* ---------- WORKS: note + per-card link ---------- */
.works-note { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }
.work-link {
  margin-top: 12px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--cyan); text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
}
.work-link:hover { text-shadow: var(--glow-cyan); }
.work-link .ext { position: static; width: auto; height: auto; background: none; border: 0; padding: 0; }
.work-link .ext svg { width: 13px; height: 13px; }

/* ---------- CONTACT: form ---------- */
.contact-grid { align-items: start; }
.contact-side { display: grid; gap: 14px; align-content: start; }
.contact-side .contact-art { aspect-ratio: 4/3; }
.email-card .vl { font-family: var(--font-mono); font-size: 14px; }

.contact-form { display: grid; gap: 14px; max-width: 560px; }
.contact-form .field { display: grid; gap: 6px; }
.contact-form label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--ink-dim);
}
.contact-form .req { color: var(--magenta); }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  font-family: var(--font-jp); font-size: 15px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 11px 13px;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.contact-form textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--ink-faint); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(52,227,255,.18);
}
.contact-form input[aria-invalid="true"],
.contact-form textarea[aria-invalid="true"] {
  border-color: var(--magenta-hot);
  box-shadow: 0 0 0 3px rgba(255,43,181,.16);
}
.contact-form .err {
  min-height: 0; font-size: 12px; color: var(--magenta-hot);
  font-family: var(--font-jp);
}
.contact-form .err:empty { display: none; }

/* consent checkbox */
.contact-form .consent .checkbox {
  display: flex; align-items: flex-start; gap: 9px;
  font-family: var(--font-jp); font-size: 14px; color: var(--ink-dim);
  cursor: pointer;
}
.contact-form .consent input[type="checkbox"] {
  width: 18px; height: 18px; margin-top: 2px; flex: none;
  accent-color: var(--cyan); cursor: pointer;
}

/* honeypot — visually hidden but present for bots */
.contact-form .hp {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.cf-turnstile-slot:empty { display: none; }
.cf-turnstile { margin: 2px 0; }

.contact-form #cf-submit { justify-self: start; margin-top: 2px; }
.contact-form #cf-submit[disabled] { opacity: .6; cursor: progress; }

.form-status { font-family: var(--font-jp); font-size: 14px; min-height: 1.2em; }
.form-status:empty { display: none; }
.form-status.pending { color: var(--ink-dim); }
.form-status.success { color: var(--green); }
.form-status.error { color: var(--magenta-hot); }

@media (max-width: 900px) {
  .contact-side { order: 2; }
}