:root {
  --black: #080909;
  --dark: #0f1011;
  --panel: #141517;
  --line: #222428;
  --line2: #2a2d33;
  --text: #dde1e7;
  --muted: #555a65;
  --dim: #383d47;
  --green: #a8ff78;
  --green2: #6ee7b7;
  --white: #f0f2f5;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  line-height: 1.6;
}

::selection { background: var(--green); color: #000; }

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.025) 2px,
    rgba(0,0,0,0.025) 4px
  );
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
  padding: 0 2.5rem;
  height: 52px;
  border-bottom: 1px solid var(--line);
  background: rgba(8,9,9,0.92);
  backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  color: var(--white);
}
.nav-logo em { color: var(--green); font-style: normal; }

.nav-center {
  display: flex;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  margin-left: auto;
}
.nav-center a {
  padding: 0 1.4rem;
  height: 52px;
  display: flex;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-right: 1px solid var(--line);
  transition: color 0.15s, background 0.15s;
}
.nav-center a:hover { color: var(--text); background: var(--panel); }
.nav-center a:last-child { border-right: none; }

.nav-right a {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  transition: color 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav-right a:hover { color: var(--green); }

/* HERO */
.hero {
  padding-top: 52px;
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  border-bottom: 1px solid var(--line);
}

.hero-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.hero-left {
  padding: 5rem 3rem 4rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.2} }

h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4.5rem, 9vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 2.5rem;
}
h1 .stroke {
  -webkit-text-stroke: 1.5px var(--line2);
  color: transparent;
}
h1 .accent { color: var(--green); }

.hero-desc {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--muted);
  max-width: 380px;
  line-height: 1.75;
  margin-bottom: 3rem;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 1.6rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-fill { background: var(--green); color: #000; border-color: var(--green); font-weight: 500; }
.btn-fill:hover { background: #c8ffaa; border-color: #c8ffaa; }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line2); }
.btn-ghost:hover { color: var(--text); border-color: var(--dim); }

.hero-right {
  padding: 5rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.terminal {
  background: var(--panel);
  border: 1px solid var(--line2);
  font-size: 0.82rem;
  line-height: 1.9;
}
.terminal-bar {
  background: var(--line);
  padding: 0.55rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--line2);
}
.tbar-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dim); }
.terminal-body { padding: 1.4rem 1.5rem; }
.t-dim { color: var(--muted); }
.t-green { color: var(--green); }
.t-teal { color: var(--green2); }
.t-white { color: var(--white); }
.t-line { display: block; margin-bottom: 0.1rem; }
.cursor {
  display: inline-block; width: 8px; height: 1em;
  background: var(--green); vertical-align: text-bottom;
  animation: cur 1s step-end infinite;
}
@keyframes cur { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.strip-item {
  padding: 1.4rem 2rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.strip-item:last-child { border-right: none; }
.strip-label { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.strip-value { font-family: 'Bebas Neue', sans-serif; font-size: 1.4rem; letter-spacing: 0.06em; color: var(--white); }
.strip-value.green { color: var(--green); }

/* SECTIONS */
.section { border-bottom: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: 260px 1fr;
  border-bottom: 1px solid var(--line);
}
.section-num {
  padding: 2.2rem 2rem;
  border-right: 1px solid var(--line);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.section-num i { color: var(--green); font-size: 0.8rem; margin-top: 1px; }
.section-title-wrap { padding: 2.2rem 3rem; }
.section-tag { font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem; }
h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1;
}

/* FEATURES */
.features-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.feat {
  padding: 2.2rem 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.15s;
}
.feat:hover { background: var(--panel); }
.feat:nth-child(3n) { border-right: none; }
.feat:nth-child(4),.feat:nth-child(5),.feat:nth-child(6) { border-bottom: none; }

.feat-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--line2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--green);
  font-size: 0.88rem;
  transition: border-color 0.15s;
}
.feat:hover .feat-icon { border-color: var(--green); }

.feat h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.feat p {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 300;
  line-height: 1.65;
}

/* DOWNLOADS */
.dl-body { display: grid; grid-template-columns: repeat(3, 1fr); }
.dl-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background 0.15s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.dl-card:last-child { border-right: none; }
.dl-card:hover { background: var(--panel); }
.dl-card:hover .dl-arrow { color: var(--green); }
.dl-os-icon {
  font-size: 2rem;
  color: var(--dim);
  margin-bottom: 1.5rem;
  transition: color 0.15s;
}
.dl-card:hover .dl-os-icon { color: var(--green); }
.dl-os-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 0.3rem;
}
.dl-filename { font-size: 0.72rem; color: var(--muted); margin-bottom: 1.5rem; word-break: break-all; }
.dl-footer {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.dl-size { font-size: 0.7rem; color: var(--dim); letter-spacing: 0.06em; }
.dl-arrow { font-size: 0.85rem; color: var(--muted); transition: color 0.15s; }

/* CHANGELOG */
.changelog-body { display: grid; grid-template-columns: 260px 1fr; }
.cl-sidebar {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
}
.cl-version {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  color: var(--green);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.cl-date { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2rem; }
.cl-tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.cl-content { padding: 2.5rem 3rem; }
.cl-group { margin-bottom: 2rem; }
.cl-group:last-child { margin-bottom: 0; }
.cl-group-head {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.cl-group-head.new i { color: var(--green); }
.cl-group-head.improved i { color: var(--green2); }
.cl-group-head.fixed i { color: #fbbf24; }
.cl-group ul { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.cl-group li {
  font-size: 0.82rem;
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
}
.cl-group li::before {
  content: '';
  position: absolute; left: 0; top: 0.6em;
  width: 4px; height: 1px;
  background: var(--dim);
}

/* FAQ */
.faq-body { display: grid; grid-template-columns: repeat(2, 1fr); }
.faq-col { border-right: 1px solid var(--line); }
.faq-col:last-child { border-right: none; }
details { border-bottom: 1px solid var(--line); }
summary {
  padding: 1.5rem 2rem;
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: 0.82rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  color: var(--text);
  transition: color 0.15s;
  user-select: none;
}
summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--white); }
summary .sq {
  width: 20px; height: 20px;
  border: 1px solid var(--line2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.65rem; color: var(--muted);
  transition: all 0.15s;
}
details[open] summary .sq { background: var(--green); border-color: var(--green); color: #000; }
.faq-answer {
  padding: 0 2rem 1.5rem;
  font-size: 0.82rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 300;
  color: var(--muted);
  line-height: 1.75;
}

/* CREDITS */
.credits-body { display: grid; grid-template-columns: repeat(4, 1fr); }
.credit {
  padding: 2rem;
  border-right: 1px solid var(--line);
  transition: background 0.15s;
}
.credit:last-child { border-right: none; }
.credit:hover { background: var(--panel); }
.credit-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--line2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; color: var(--dim); margin-bottom: 1rem;
}
.credit-name { font-family: 'IBM Plex Sans', sans-serif; font-weight: 500; font-size: 0.88rem; color: var(--white); margin-bottom: 0.2rem; }
.credit-role { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green); margin-bottom: 0.7rem; }
.credit-desc { font-size: 0.78rem; font-family: 'IBM Plex Sans', sans-serif; font-weight: 300; color: var(--muted); line-height: 1.6; }

.disclaimer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem; color: var(--dim);
  font-family: 'IBM Plex Sans', sans-serif; font-weight: 300; line-height: 1.7;
}

/* FOOTER */
footer { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.footer-left { padding: 2rem 2.5rem; border-right: 1px solid var(--line); }
.footer-logo { font-family: 'Bebas Neue', sans-serif; font-size: 1.1rem; letter-spacing: 0.1em; color: var(--white); margin-bottom: 0.4rem; }
.footer-logo em { color: var(--green); font-style: normal; }
.footer-copy { font-size: 0.72rem; color: var(--dim); }
.footer-right { padding: 2rem 2.5rem; display: flex; align-items: center; justify-content: flex-end; gap: 2rem; }
.footer-right a { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; transition: color 0.15s; }
.footer-right a:hover { color: var(--green); }

/* REVEAL */
.r { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.r.in { opacity: 1; transform: none; }

/* COMING SOON */
.dl-soon { opacity: 0.45; cursor: not-allowed; }
.soon-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--dim);
  color: var(--dim);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* MOBILE NAV */
.nav-hamburger {
  display: none;
  background: none; border: 1px solid var(--line);
  color: var(--muted); font-size: 1rem;
  cursor: pointer; padding: 0.45rem 0.6rem;
  margin-left: auto;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 52px; left: 0; right: 0;
  background: rgba(8,9,9,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  z-index: 9998;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 0.6rem;
  transition: color 0.15s, background 0.15s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a:active { color: var(--text); background: var(--panel); }

/* RESPONSIVE — TABLET */
@media (max-width: 900px) {
  nav { padding: 0 1.2rem; gap: 0rem; }
  .nav-center, .nav-right { display: none; }
  .nav-hamburger { display: flex; align-items: center; }

  .hero-main { grid-template-columns: 1fr; }
  .hero-left { padding: 3rem 1.5rem 2.5rem; border-right: none; }
  .hero-right { display: none; }
  h1 { font-size: clamp(3.5rem, 13vw, 5.5rem); }
  .hero-desc { max-width: 100%; font-size: 0.9rem; }
  .hero-cta { flex-direction: column; }
  .btn { justify-content: center; padding: 1rem 1.6rem; font-size: 0.8rem; }

  .hero-strip { grid-template-columns: repeat(2, 1fr); }
  .strip-item:nth-child(2) { border-right: none; }
  .strip-item:nth-child(3) { border-top: 1px solid var(--line); }
  .strip-item:nth-child(4) { border-top: 1px solid var(--line); }

  .section-head { grid-template-columns: 1fr; }
  .section-num { display: none; }
  .section-title-wrap { padding: 1.8rem 1.5rem; }

  .features-body { grid-template-columns: 1fr 1fr; }
  .feat { padding: 1.5rem 1.2rem; }
  .feat:nth-child(3n) { border-right: 1px solid var(--line); }
  .feat:nth-child(2n) { border-right: none; }
  .feat:nth-child(4),.feat:nth-child(5),.feat:nth-child(6) { border-bottom: none; }
  .feat:nth-child(5) { border-bottom: 1px solid var(--line); }

  .dl-body { grid-template-columns: 1fr; }
  .dl-card { border-right: none; border-bottom: 1px solid var(--line); padding: 1.8rem 1.5rem; }

  .changelog-body { grid-template-columns: 1fr; }
  .cl-sidebar { border-right: none; border-bottom: 1px solid var(--line); padding: 1.8rem 1.5rem; }
  .cl-content { padding: 1.8rem 1.5rem; }

  .faq-body { grid-template-columns: 1fr; }
  .faq-col { border-right: none; }
  summary { padding: 1.2rem 1.5rem; }
  .faq-answer { padding: 0 1.5rem 1.2rem; }

  .credits-body { grid-template-columns: 1fr 1fr; }
  .credit { padding: 1.5rem 1.2rem; }
  .credit:nth-child(2n) { border-right: none; }
  .credit:nth-child(1),.credit:nth-child(2) { border-bottom: 1px solid var(--line); }

  .disclaimer { padding: 1.5rem; }

  footer { grid-template-columns: 1fr; }
  .footer-left { border-right: none; border-bottom: 1px solid var(--line); padding: 1.5rem; }
  .footer-right { justify-content: flex-start; padding: 1.5rem; flex-wrap: wrap; gap: 1.2rem; }
}

/* RESPONSIVE — PHONE */
@media (max-width: 480px) {
  .hero-left { padding: 2.5rem 1.2rem 2rem; }
  h1 { font-size: clamp(2.8rem, 16vw, 3.8rem); }

  .features-body { grid-template-columns: 1fr; }
  .feat { border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .feat:last-child { border-bottom: none !important; }

  .credits-body { grid-template-columns: 1fr; }
  .credit { border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .credit:last-child { border-bottom: none !important; }

  .strip-item { padding: 1rem 1.2rem; }
  .hero-strip { grid-template-columns: repeat(2, 1fr); }
}