/* Job Execution System — landing styles */

:root {
  --bg: #0c1017;
  --bg-alt: #0f141d;
  --panel: #141b26;
  --panel-2: #182130;
  --border: #232d3d;
  --text: #e8edf4;
  --muted: #94a3b8;
  --accent: #5ea2ff;
  --accent-strong: #2563eb;
  --accent-soft: rgba(94, 162, 255, 0.12);
  --code-bg: #0a0e14;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 16, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 60px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.3px;
}

.brand img {
  filter: drop-shadow(0 0 6px rgba(94, 162, 255, 0.45));
}

.brand .brand-accent {
  color: var(--accent);
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover { color: var(--text); }

.lang-switch {
  display: flex;
  gap: 6px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.85rem;
}

.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  padding: 2px 4px;
  border-radius: 6px;
}

.lang-switch a.active {
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Mobile burger ---------- */

.nav-toggle { display: none; }

.nav-burger { display: none; }

@media (max-width: 980px) {
  .nav { position: relative; }

  .nav-burger {
    display: flex;
    align-items: center;
    justify-content: center;
    order: 6;
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
  }

  .nav-burger span {
    position: relative;
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    transition: background 0.15s ease;
  }

  .nav-burger span::before,
  .nav-burger span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--text);
    transition: transform 0.15s ease;
  }

  .nav-burger span::before { top: -6px; }
  .nav-burger span::after { top: 6px; }

  .nav-toggle:checked + .nav-burger span { background: transparent; }

  .nav-toggle:checked + .nav-burger span::before {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle:checked + .nav-burger span::after {
    transform: translateY(-6px) rotate(-45deg);
  }

  .lang-switch { order: 5; margin-left: auto; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    margin-left: 0;
    padding: 6px 24px 14px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
  }

  .nav-toggle:checked ~ .nav-links { display: flex; }

  .nav-links a {
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:last-child { border-bottom: none; }

  .nav { min-height: 56px; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(60% 80% at 20% 0%, rgba(37, 99, 235, 0.12), transparent 60%),
    radial-gradient(50% 60% at 90% 10%, rgba(56, 130, 246, 0.08), transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.4px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(94, 162, 255, 0.3);
  border-radius: 999px;
  padding: 4px 14px;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.5px;
}

.accent { color: var(--accent); }

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 56ch;
}

.cta-row {
  display: flex;
  gap: 14px;
  margin: 26px 0 12px;
  flex-wrap: wrap;
}

.cta-row.center { justify-content: center; }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.btn.primary {
  background: var(--accent-strong);
  color: #eaf2ff;
}

.btn.primary:hover { background: var(--accent); transform: translateY(-1px); }

.btn.ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.btn.ghost:hover { border-color: var(--accent); transform: translateY(-1px); }

.note {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Code cards ---------- */

.code-card {
  margin: 0;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.code-card figcaption {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2c3849;
}

.filename {
  margin-left: 8px;
  font-family: ui-monospace, "Cascadia Code", Consolas, "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.code-card pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
}

.code-card code {
  font-family: ui-monospace, "Cascadia Code", Consolas, "JetBrains Mono", monospace;
  font-size: 0.83rem;
  line-height: 1.55;
  color: #cdd6e3;
}

.code-card .k { color: #c792ea; }        /* keywords / annotations */
.code-card .t { color: #82aaff; }        /* types / tags */
.code-card .f { color: #5ccfe6; }        /* methods */
.code-card .c { color: #5c6b80; font-style: italic; } /* comments */
.code-card .s { color: #ecc48d; }        /* strings */

.hero-code code { font-size: 0.76rem; }

/* ---------- Java / Kotlin tabs ---------- */

.lang-tabs,
.build-tabs,
.format-tabs {
  margin-left: auto;
  display: inline-flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}

.lang-tab,
.build-tab,
.format-tab {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.lang-tab:hover,
.build-tab:hover,
.format-tab:hover { color: var(--text); }

.lang-tab.active,
.build-tab.active,
.format-tab.active {
  background: var(--accent-strong);
  color: #eaf2ff;
}

/* ---------- Stats ---------- */

.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding-top: 28px;
  padding-bottom: 28px;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 1.6rem;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Sections ---------- */

.section { padding: 72px 0; }

.section.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 34px;
  letter-spacing: -0.3px;
}

/* ---------- Feature cards ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

/* .card:hover {
  border-color: rgba(94, 162, 255, 0.5);
  transform: translateY(-2px);
} */

.card-icon { font-size: 1.4rem; margin-bottom: 10px; }

.card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- Quick start ---------- */

.qs-grid {
  display: grid;
  gap: 18px;
}

.qs-row {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 26px;
  align-items: start;
}

.qs-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-top: 14px;
}

.qs-num {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(94, 162, 255, 0.4);
  color: var(--accent);
  font-weight: 700;
  display: grid;
  place-items: center;
}

.qs-step h3 { margin: 2px 0 6px; font-size: 1.05rem; }

.qs-step p { margin: 0; color: var(--muted); font-size: 0.93rem; }

.code-stack {
  display: grid;
  gap: 16px;
}

/* ---------- How it works ---------- */

.hiw-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.hiw-steps { display: grid; gap: 22px; }

.hiw-visual { display: grid; gap: 24px; }

.hiw-diagram { margin-top: 0px; }

.hiw-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

.hiw-note { margin-top: 28px; }

/* ---------- Examples ---------- */

.examples {
  display: grid;
  gap: 22px;
}

.example-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.example-tab {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.example-tab:hover {
  color: var(--text);
  border-color: rgba(94, 162, 255, 0.5);
}

.example-tab.active {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #eaf2ff;
}

.example {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 30px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  align-items: start;
}

.example-info h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.example-info p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

/* ---------- Configuration ---------- */

.cfg-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 30px;
  align-items: start;
}

.cfg-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.cfg-points li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}

.cfg-points strong { display: block; margin-bottom: 4px; font-size: 0.98rem; }

.cfg-points p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.note .link { margin-left: 6px; }

.cfg-doc-btn { margin-top: 14px; }

/* ---------- Notes ---------- */

.note code {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-family: ui-monospace, "Cascadia Code", Consolas, "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--text);
}

@media (max-width: 560px) {
  .note code { white-space: normal; word-break: break-all; }
}

/* ---------- Use cases ---------- */

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.92rem;
  color: var(--text);
}

/* ---------- Final CTA ---------- */

.final-cta {
  padding: 84px 0;
  text-align: center;
  background:
    radial-gradient(50% 90% at 50% 100%, rgba(37, 99, 235, 0.16), transparent 65%);
}

.final-cta h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin: 0 0 10px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 40px 0 24px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 26px;
}

.footer-grid p { color: var(--muted); margin: 8px 0 0; }

.footer-grid h4 {
  margin: 0 0 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.footer-grid a {
  display: block;
  color: var(--text);
  text-decoration: none;
  padding: 3px 0;
}

.footer-grid a:hover { color: var(--accent); }

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .hero-grid, .cfg-grid, .hiw-grid { grid-template-columns: 1fr; }
  .qs-row { grid-template-columns: 1fr; gap: 14px; }
  .example { grid-template-columns: 1fr; gap: 18px; padding: 20px; }
  .example-tab { padding: 7px 12px; font-size: 0.8rem; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .section { padding: 52px 0; }
  .hero { padding: 44px 0 36px; }
  .final-cta { padding: 60px 0; }
  .feature-grid, .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .nav { gap: 8px; }
  .brand { font-size: 1rem; white-space: nowrap; }
  .lang-switch { padding: 3px 8px; }
  .btn { padding: 12px 14px; font-size: 0.95rem; }
  .code-card pre { padding: 14px 12px; }
  .code-card figcaption { flex-wrap: wrap; row-gap: 6px; }
  .code-card code { font-size: 0.78rem; }
  .hero-code code { font-size: 0.72rem; }
  .stats-grid { gap: 14px; }
  .stat strong { font-size: 1.35rem; }
}