/* NEXORA — Dark Premium / Turquoise
   No framework, no build step. */

:root {
  --bg: #05090b;
  --bg-2: #081014;
  --surface: #0c1519;
  --surface-2: #101c21;
  --line: rgba(120, 220, 210, 0.10);
  --line-strong: rgba(120, 220, 210, 0.22);
  --text: #e7f2f1;
  --muted: #8ea6a4;
  --dim: #7a9391;
  --accent: #2ee6d3;
  --accent-2: #14b8a6;
  --accent-deep: #0b5f58;
  --amber: #f2c46d;
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1160px;
  --font-ar: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --font-en: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-en);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="ar"] body { font-family: var(--font-ar); line-height: 1.85; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #032623; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; inset-inline-start: 16px; top: -60px; z-index: 100;
  background: var(--accent); color: #032623; padding: 10px 16px; border-radius: 10px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

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

/* ---------- Background atmosphere ---------- */
.atmosphere {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 85% -10%, rgba(46, 230, 211, 0.13), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(20, 184, 166, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.atmosphere::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: 0.55;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 9, 11, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; letter-spacing: 0.18em; font-size: 18px; }
.brand svg { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 8px 14px; border-radius: 10px; color: var(--muted); font-size: 15px; font-weight: 500;
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(46, 230, 211, 0.07); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--text); font-size: 14px; font-weight: 600;
  transition: border-color .2s, background .2s;
}
.lang-switch:hover { border-color: var(--accent); background: rgba(46, 230, 211, 0.08); }
.menu-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-strong);
  background: transparent; color: var(--text); cursor: pointer; align-items: center; justify-content: center;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .25s, background .25s;
}
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-open .menu-toggle span { background: transparent; }
.menu-open .menu-toggle span::before { transform: translateY(6px) rotate(45deg); }
.menu-open .menu-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 14px; font-weight: 600; font-size: 16px;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #03201d; box-shadow: 0 10px 30px -10px rgba(46, 230, 211, 0.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(46, 230, 211, 0.7); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); background: rgba(46, 230, 211, 0.06); }
.btn svg { width: 18px; height: 18px; }
html[dir="rtl"] .btn .arrow { transform: scaleX(-1); }

/* ---------- Sections ---------- */
section { padding: 110px 0; position: relative; scroll-margin-top: 72px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
html[lang="ar"] .eyebrow { font-family: var(--font-ar); letter-spacing: 0.02em; font-size: 14px; font-weight: 600; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(30px, 4vw, 46px); line-height: 1.15; margin: 16px 0 16px; font-weight: 700; letter-spacing: -0.02em;
}
html[lang="ar"] .section-head h2 { font-family: var(--font-ar); letter-spacing: 0; line-height: 1.35; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }

/* ---------- Hero ---------- */
.hero { padding: 120px 0 100px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.status-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px; border-radius: 999px;
  background: rgba(46, 230, 211, 0.07); border: 1px solid var(--line-strong); color: var(--muted); font-size: 14px;
}
html[dir="rtl"] .status-pill { padding: 7px 10px 7px 14px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(46, 230, 211, 0.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(46,230,211,.55);} 70% { box-shadow: 0 0 0 10px rgba(46,230,211,0);} 100% { box-shadow: 0 0 0 0 rgba(46,230,211,0);} }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(40px, 6vw, 72px); line-height: 1.05; letter-spacing: -0.035em;
  margin: 24px 0 24px; font-weight: 700;
}
html[lang="ar"] .hero h1 { font-family: var(--font-ar); letter-spacing: 0; line-height: 1.25; font-size: clamp(36px, 5.4vw, 64px); }
.grad { background: linear-gradient(120deg, #ffffff 0%, var(--accent) 55%, var(--accent-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 20px; color: var(--muted); max-width: 560px; margin: 0 0 36px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { display: flex; gap: 32px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong { font-family: var(--font-display); font-size: 22px; color: var(--text); }
.hero-meta span { font-size: 14px; color: var(--dim); }

.hero-visual { position: relative; aspect-ratio: 1 / 1; max-width: 480px; margin-inline-start: auto; width: 100%; }
.hero-visual .orb {
  position: absolute; inset: 12%; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(46,230,211,.35), rgba(11,95,88,.15) 45%, transparent 70%);
  filter: blur(8px);
}
.hero-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.spin-slow { transform-origin: 50% 50%; animation: spin 60s linear infinite; }
.spin-rev { transform-origin: 50% 50%; animation: spin 90s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Product cards ---------- */
.products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  position: relative; padding: 36px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(500px 220px at 100% 0%, rgba(46, 230, 211, 0.10), transparent 60%);
}
html[dir="rtl"] .card::before { background: radial-gradient(500px 220px at 0% 0%, rgba(46, 230, 211, 0.10), transparent 60%); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.card-icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: rgba(46, 230, 211, 0.08); border: 1px solid var(--line-strong); color: var(--accent);
}
.card-icon svg { width: 28px; height: 28px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 600; white-space: nowrap; font-family: var(--font-mono);
}
html[lang="ar"] .badge { font-family: var(--font-ar); }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-dev { color: var(--accent); background: rgba(46, 230, 211, 0.09); border: 1px solid rgba(46, 230, 211, 0.25); }
.badge-research { color: var(--amber); background: rgba(242, 196, 109, 0.08); border: 1px solid rgba(242, 196, 109, 0.25); }
.card h3 { font-family: var(--font-display); font-size: 28px; margin: 0 0 6px; letter-spacing: -0.01em; }
.card .kicker { color: var(--accent); font-size: 15px; margin: 0 0 16px; font-weight: 500; }
.card p { color: var(--muted); margin: 0 0 24px; }
.feature-list { list-style: none; padding: 0; margin: 0 0 8px; display: grid; gap: 12px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 15.5px; }
.feature-list li svg { flex: 0 0 18px; width: 18px; height: 18px; margin-top: 4px; color: var(--accent); }
.planned {
  margin: 0 0 14px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--amber);
}
html[lang="ar"] .planned { font-family: var(--font-ar); letter-spacing: 0; text-transform: none; font-size: 14px; font-weight: 600; }
.card-note {
  margin-top: 24px; padding-top: 20px; border-top: 1px dashed var(--line-strong);
  font-size: 13.5px; color: var(--dim);
}

/* ---------- Technology ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tech-item {
  padding: 28px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line);
  transition: border-color .3s, background .3s;
}
.tech-item:hover { border-color: var(--line-strong); background: var(--surface-2); }
.tech-item .num { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.tech-item h3 { font-size: 19px; margin: 14px 0 10px; font-weight: 600; }
.tech-item p { color: var(--muted); font-size: 15px; margin: 0; }

.pipeline {
  margin-top: 48px; padding: 32px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(46,230,211,.04), transparent 60%);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative;
}
.pipe-step { padding: 8px 20px; position: relative; text-align: center; }
.pipe-step:not(:last-child)::after {
  content: ""; position: absolute; top: 26px; inset-inline-end: -12px; width: 24px; height: 1px; background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.pipe-dot {
  width: 38px; height: 38px; border-radius: 50%; margin: 0 auto 14px; display: grid; place-items: center;
  border: 1px solid var(--accent); color: var(--accent); font-family: var(--font-mono); font-size: 14px; background: var(--bg);
}
.pipe-step strong { display: block; font-size: 16px; margin-bottom: 4px; }
.pipe-step span { color: var(--dim); font-size: 14px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.about-text p { color: var(--muted); font-size: 18px; margin: 0 0 20px; }
.about-text p strong { color: var(--text); font-weight: 600; }
.values { display: grid; gap: 16px; }
.value {
  display: flex; gap: 18px; padding: 22px 24px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface);
}
.value-icon { flex: 0 0 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(46,230,211,.08); color: var(--accent); }
.value-icon svg { width: 20px; height: 20px; }
.value h3 { font-size: 17px; margin: 0 0 4px; font-weight: 600; }
.value p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- Contact ---------- */
.contact-box {
  border-radius: 24px; padding: 64px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line-strong);
}
.contact-box::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 260px at 50% 0%, rgba(46, 230, 211, 0.16), transparent 70%);
}
.contact-box > * { position: relative; }
.contact-box h2 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); margin: 16px 0 14px; letter-spacing: -0.02em; }
html[lang="ar"] .contact-box h2 { font-family: var(--font-ar); letter-spacing: 0; }
.contact-box p { color: var(--muted); max-width: 560px; margin: 0 auto 32px; font-size: 18px; }
.contact-email { font-family: var(--font-mono); direction: ltr; unicode-bidi: isolate; }
.contact-topics { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.contact-topics span { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); font-size: 14px; }

/* ---------- Disclaimer + Footer ---------- */
.disclaimer {
  margin-top: 40px; padding: 20px 24px; border-radius: var(--radius-sm); border: 1px solid rgba(242,196,109,.2);
  background: rgba(242,196,109,.04); color: var(--muted); font-size: 14px; display: flex; gap: 14px;
}
.disclaimer svg { flex: 0 0 20px; width: 20px; height: 20px; color: var(--amber); margin-top: 2px; }
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 40px; margin-top: 40px; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--muted); font-size: 15px; }
.footer-links a:hover { color: var(--accent); }
.copyright { color: var(--dim); font-size: 14px; margin-top: 24px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 404 ---------- */
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.notfound .code { font-family: var(--font-display); font-size: clamp(80px, 16vw, 160px); line-height: 1; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 380px; margin: 0 auto; order: -1; }
}
@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 16px 20px; background: rgba(5, 9, 11, 0.97); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all .25s ease;
  }
  .nav-links a { padding: 14px 12px; font-size: 17px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu-open .nav-links { transform: none; opacity: 1; visibility: visible; }
  .products-grid, .about-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .pipe-step:nth-child(2)::after { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  section { padding: 76px 0; }
  .hero { padding: 48px 0 64px; }
  .hero .lead { font-size: 18px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-meta { gap: 20px; }
  .card { padding: 26px 22px; }
  .card-top { flex-direction: column-reverse; align-items: flex-start; }
  .tech-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; padding: 24px; }
  .pipe-step::after { display: none; }
  .contact-box { padding: 44px 22px; }
  .brand span { font-size: 16px; }
  .hero-visual { max-width: 260px; }
  .lang-switch { padding: 7px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- helpers (replace inline styles so the CSP can drop 'unsafe-inline') ---------- */
.section-head.tight { margin-bottom: 24px; }
.nf-sub { color: var(--dim); font-weight: 400; }
.nf-p { color: var(--muted); }
.hero-cta.center { justify-content: center; margin-top: 28px; }
.legal { color: var(--dim); font-size: 13px; margin: 8px 0 0; max-width: 72ch; }