/* =========================================================
   Roxonic Software — Public Site Design System
   ========================================================= */

:root {
  --rx-green-900: #072b1c;
  --rx-green-800: #0b3d26;
  --rx-green-700: #0f4d30;
  --rx-green-600: #14603c;
  --rx-green-500: #1a7a4c;
  --rx-green-100: #e6f4ec;
  --rx-green-50:  #f3faf6;

  --rx-ink-900: #0c1210;
  --rx-ink-700: #33403a;
  --rx-ink-500: #5c6b64;
  --rx-ink-300: #97a39d;
  --rx-ink-100: #e6ebe8;

  --rx-white: #ffffff;
  --rx-bg: #fbfdfc;

  --rx-amber: #b7791f;
  --rx-red: #b3261e;
  --rx-blue: #1d5fb3;

  --rx-radius-sm: 10px;
  --rx-radius-md: 16px;
  --rx-radius-lg: 24px;

  --rx-shadow-sm: 0 1px 2px rgba(12, 18, 16, 0.06), 0 1px 1px rgba(12,18,16,0.04);
  --rx-shadow-md: 0 8px 24px rgba(12, 18, 16, 0.08), 0 2px 6px rgba(12,18,16,0.04);
  --rx-shadow-lg: 0 24px 60px rgba(7, 43, 28, 0.16), 0 8px 20px rgba(7,43,28,0.08);

  --rx-container: 1180px;
  --rx-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--rx-font);
  color: var(--rx-ink-900);
  background: var(--rx-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--rx-container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--rx-ink-700); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--rx-green-700);
  background: var(--rx-green-100);
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--rx-radius-sm);
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--rx-green-600), var(--rx-green-700));
  color: #fff;
  box-shadow: var(--rx-shadow-sm);
}
.btn-primary:hover { box-shadow: var(--rx-shadow-md); }
.btn-secondary {
  background: var(--rx-white);
  color: var(--rx-green-800);
  border-color: var(--rx-ink-100);
}
.btn-secondary:hover { border-color: var(--rx-green-500); }
.btn-ghost { background: transparent; color: var(--rx-ink-700); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251,253,252,0.98);
  border-bottom: 1px solid var(--rx-ink-100);
}
@media (min-width: 901px) {
  .site-header { background: rgba(251,253,252,0.85); backdrop-filter: blur(10px); }
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--rx-green-800); }
.brand img { height: 32px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { font-weight: 600; font-size: .92rem; color: var(--rx-ink-700); }
.main-nav a:hover, .main-nav a.active { color: var(--rx-green-700); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--rx-ink-900); margin: 5px 0; border-radius: 2px; }

@media (max-width: 900px) {
  .main-nav { position: fixed; top: 72px; right: 0; bottom: 0; width: 85%; max-width: 320px; background: var(--rx-white);
    flex-direction: column; align-items: flex-start; gap: 4px; padding: 20px 24px; transform: translateX(100%);
    transition: transform .25s ease; overflow-y: auto; box-shadow: -12px 0 30px rgba(7,43,28,0.12); }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--rx-ink-100); }
  .nav-toggle { display: block; }
  .header-actions .btn-secondary { display: none; }
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(26,122,76,0.15), transparent 60%),
    radial-gradient(800px 400px at 0% 0%, rgba(15,77,48,0.08), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-visual {
  aspect-ratio: 4/3;
  border-radius: var(--rx-radius-lg);
  background: linear-gradient(160deg, var(--rx-green-800), var(--rx-green-600) 55%, var(--rx-green-500));
  box-shadow: var(--rx-shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-visual::before, .hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.hero-visual::before { width: 260px; height: 260px; top: -60px; right: -60px; }
.hero-visual::after { width: 180px; height: 180px; bottom: -40px; left: -40px; background: rgba(255,255,255,0.06); }
.hero-visual .grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 34px 34px;
}
.hero-visual .badge-card {
  position: absolute; left: 24px; bottom: 24px; right: 24px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px); border-radius: var(--rx-radius-md); padding: 18px 20px; color: #fff;
}
.hero-visual .badge-card small { opacity: .75; letter-spacing: .08em; text-transform: uppercase; font-size: .68rem; }
.hero-visual .badge-card strong { display: block; font-size: 1.05rem; margin-top: 4px; }

/* ---------------- Sections ---------------- */
.section { padding: 72px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 34px; flex-wrap: wrap; }
.section-head p { max-width: 560px; margin: 0; }
.section-alt { background: var(--rx-green-50); }

/* ---------------- Cards / Grid ---------------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--rx-white);
  border: 1px solid var(--rx-ink-100);
  border-radius: var(--rx-radius-md);
  padding: 26px;
  box-shadow: var(--rx-shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: var(--rx-shadow-md); transform: translateY(-2px); border-color: rgba(26,122,76,.25); }

.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card .logo-wrap {
  width: 56px; height: 56px; border-radius: 14px; background: var(--rx-green-100);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; overflow: hidden;
}
.product-card .logo-wrap img { width: 100%; height: 100%; object-fit: cover; }
.product-card .meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.product-card .actions { margin-top: auto; display: flex; gap: 10px; padding-top: 18px; }
.tag {
  font-size: .74rem; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--rx-ink-100); color: var(--rx-ink-700);
}
.featured-ribbon {
  font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--rx-green-700); background: var(--rx-green-100); padding: 4px 10px; border-radius: 999px;
  display: inline-block; margin-bottom: 10px; width: fit-content;
}

/* Status badges */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-green { background: #e6f4ec; color: #14603c; }
.badge-blue  { background: #e8f0fc; color: #1d5fb3; }
.badge-amber { background: #fbf1de; color: #b7791f; }
.badge-red   { background: #fbe9e8; color: #b3261e; }
.badge-gray  { background: #eef1f0; color: #5c6b64; }

/* ---------------- Release list ---------------- */
.release-row {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 26px; border: 1px solid var(--rx-ink-100); border-radius: var(--rx-radius-md);
  background: var(--rx-white); margin-bottom: 14px; flex-wrap: wrap;
}
.release-row .rel-left { display: flex; align-items: center; gap: 16px; }
.release-version { font-weight: 800; font-size: 1.05rem; }
.release-meta { color: var(--rx-ink-500); font-size: .85rem; margin-top: 2px; }

/* ---------------- Detail page ---------------- */
.product-hero { padding: 56px 0 40px; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 960px) { .detail-grid { grid-template-columns: 1fr; } }
.spec-card { background: var(--rx-white); border: 1px solid var(--rx-ink-100); border-radius: var(--rx-radius-md); padding: 24px; box-shadow: var(--rx-shadow-sm); }
.spec-list { list-style: none; padding: 0; margin: 0; }
.spec-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--rx-ink-100); font-size: .9rem; }
.spec-list li:last-child { border-bottom: none; }
.spec-list li span:first-child { color: var(--rx-ink-500); }
.spec-list li span:last-child { font-weight: 600; text-align: right; }

.feature-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .feature-list { grid-template-columns: 1fr; } }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--rx-ink-700); }
.feature-list li .dot { flex: none; width: 20px; height: 20px; border-radius: 6px; background: var(--rx-green-100); color: var(--rx-green-700); display: flex; align-items: center; justify-content: center; font-size: .7rem; margin-top: 1px; }

.screenshot-strip { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 6px; }
.screenshot-strip img { height: 220px; border-radius: var(--rx-radius-md); border: 1px solid var(--rx-ink-100); }

.checksum-box { background: var(--rx-ink-900); color: #d7e6de; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .78rem; padding: 12px 14px; border-radius: 10px; word-break: break-all; display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.checksum-box button { flex: none; }

/* ---------------- Forms ---------------- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 7px; }
.form-control {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--rx-ink-100);
  font-family: var(--rx-font); font-size: .92rem; background: var(--rx-white); color: var(--rx-ink-900);
}
.form-control:focus { outline: none; border-color: var(--rx-green-500); box-shadow: 0 0 0 3px rgba(26,122,76,.15); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.help-text { font-size: .8rem; color: var(--rx-ink-500); margin-top: 6px; }
.field-error { font-size: .8rem; color: var(--rx-red); margin-top: 6px; }

.alert { padding: 14px 18px; border-radius: 12px; font-size: .9rem; margin-bottom: 20px; border: 1px solid transparent; }
.alert-success { background: #e6f4ec; color: #14603c; border-color: #bfe4cf; }
.alert-error   { background: #fbe9e8; color: #a3241c; border-color: #f3c6c3; }
.alert-info    { background: #e8f0fc; color: #1d5fb3; border-color: #c7dafb; }

/* ---------------- Empty state ---------------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--rx-ink-500); }
.empty-state .icon { font-size: 2.4rem; margin-bottom: 12px; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--rx-green-900); color: rgba(255,255,255,.72); padding: 60px 0 30px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.footer-grid a { display: block; padding: 6px 0; color: rgba(255,255,255,.65); font-size: .9rem; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .82rem; }

/* ---------------- Utility ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.small { font-size: .85rem; color: var(--rx-ink-500); }
.pill-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.pill-nav a { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--rx-ink-100); font-size: .84rem; font-weight: 600; color: var(--rx-ink-700); }
.pill-nav a.active, .pill-nav a:hover { background: var(--rx-green-700); border-color: var(--rx-green-700); color: #fff; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 34px; }
.pagination a, .pagination span { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--rx-ink-100); font-size: .85rem; font-weight: 600; }
.pagination a:hover { border-color: var(--rx-green-500); color: var(--rx-green-700); }
.pagination .current { background: var(--rx-green-700); color: #fff; border-color: var(--rx-green-700); }

.breadcrumb { font-size: .82rem; color: var(--rx-ink-500); margin-bottom: 18px; }
.breadcrumb a { color: var(--rx-ink-500); }
.breadcrumb a:hover { color: var(--rx-green-700); }