:root {
  --viro-bg: #0E0F12;
  --viro-surface: #16181D;
  --viro-surface-alt: #1E2128;
  --viro-accent: #CFFF50;
  --viro-accent-alt: #00E5FF;
  --viro-text: #F5F6F8;
  --viro-muted: #8A8F9C;
  --viro-divider: #24272F;
  --viro-danger: #FF5C7A;
  --viro-success: #4CAF50;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--viro-bg);
  color: var(--viro-text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Inter", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.viro-glass {
  background: linear-gradient(180deg, rgba(30,33,40,0.6) 0%, rgba(22,24,29,0.55) 100%);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(207, 255, 80, 0.08);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.03);
}

.viro-glow {
  position: absolute;
  background: radial-gradient(circle at 30% 30%, rgba(0,229,255,0.25), transparent 60%),
              radial-gradient(circle at 70% 60%, rgba(207,255,80,0.22), transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}

.viro-gradient-text {
  background: linear-gradient(90deg, #CFFF50 0%, #00E5FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.viro-divider {
  height: 1px;
  max-width: 64rem;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--viro-divider), transparent);
}

@keyframes viro-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.viro-float { animation: viro-float 6s ease-in-out infinite; }

@keyframes viro-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.viro-fade-up { animation: viro-fade-up 0.8s ease-out both; }

.viro-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(207,255,80,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(207,255,80,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at top, black 30%, transparent 75%);
          mask-image: radial-gradient(ellipse at top, black 30%, transparent 75%);
  pointer-events: none;
}

/* NAV */
nav.viro-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
}
.nav-inner {
  max-width: 72rem; margin: 0 auto; padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 0.5rem; }
.nav-brand img { width: 2rem; height: 2rem; }
.nav-brand span { font-weight: 700; letter-spacing: -0.02em; }
.nav-links { display: none; gap: 2rem; font-size: 0.875rem; color: var(--viro-muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: #fff; }
@media (min-width: 768px) { .nav-links { display: flex; } }

/* Lang toggle */
.lang-toggle {
  display: inline-flex; padding: 0.25rem; border-radius: 9999px;
}
.lang-toggle button {
  padding: 0.5rem 1.25rem; font-size: 0.875rem; font-weight: 500;
  border-radius: 9999px; transition: all .2s; color: var(--viro-muted);
}
.lang-toggle button.active {
  background: linear-gradient(90deg, #CFFF50, #00E5FF);
  color: #0E0F12;
}

/* HERO */
.hero {
  position: relative; padding: 10rem 1.5rem 6rem;
}
.hero-glow {
  top: 5rem; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
}
.hero-inner {
  position: relative; max-width: 56rem; margin: 0 auto; text-align: center;
}
.hero-logo-wrap { display: flex; justify-content: center; margin-bottom: 2rem; }
.hero-logo-rel { position: relative; }
.hero-logo-blur {
  position: absolute; inset: 0; filter: blur(48px); opacity: 0.6;
  background: radial-gradient(circle, #00E5FF, transparent 70%);
}
.hero-logo {
  position: relative; width: 7rem; height: 7rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.375rem 1rem; border-radius: 9999px; font-size: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero-badge .dot { width: 0.375rem; height: 0.375rem; border-radius: 9999px; background: var(--viro-success); }
.hero-badge span:last-child { color: var(--viro-muted); }

h1.hero-title {
  font-size: clamp(3.75rem, 10vw, 6rem);
  font-weight: 700; letter-spacing: -0.04em; margin-bottom: 1.5rem; line-height: 1;
}
.hero-tag {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 300; margin-bottom: 1rem;
}
.hero-desc {
  font-size: 1rem; max-width: 42rem; margin: 0 auto 2.5rem;
  color: var(--viro-muted);
}
.hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.btn {
  padding: 0.75rem 1.5rem; border-radius: 9999px;
  font-weight: 600; font-size: 0.875rem; transition: transform .2s; display: inline-block;
}
.btn:hover { transform: scale(1.05); }
.btn-primary { background: var(--viro-accent); color: var(--viro-bg); }
.btn-glass { color: var(--viro-text); }

/* SECTION */
section.viro-section {
  position: relative; padding: 6rem 1.5rem;
}
.section-inner { max-width: 64rem; margin: 0 auto; }
.eyebrow-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.eyebrow-line { height: 1px; width: 2.5rem; background: var(--viro-accent); }
.eyebrow {
  font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--viro-accent);
}
h2.section-title {
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 700; margin-bottom: 3rem; letter-spacing: -0.02em;
}
.cards { display: grid; gap: 1rem; }
.card {
  border-radius: 1rem; padding: 1.5rem; transition: transform .2s;
}
@media (min-width: 768px) { .card { padding: 2rem; } }
.card:hover { transform: translateY(-2px); }
.card-row { display: flex; align-items: flex-start; gap: 1rem; }
.card-num {
  flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.875rem;
  background: rgba(207,255,80,0.1); color: var(--viro-accent);
  border: 1px solid rgba(207,255,80,0.25);
}
.card-h { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--viro-text); }
@media (min-width: 768px) { .card-h { font-size: 1.25rem; } }
.card-p { line-height: 1.6; color: var(--viro-muted); }

/* FOOTER */
footer.viro-footer { position: relative; margin-top: 3rem; }
.footer-inner { max-width: 64rem; margin: 0 auto; padding: 4rem 1.5rem; }
.footer-card { border-radius: 1.5rem; padding: 2rem; }
@media (min-width: 768px) { .footer-card { padding: 3rem; } }
.footer-grid { display: grid; gap: 2.5rem; align-items: start; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.footer-brand img { width: 2.5rem; height: 2.5rem; }
.footer-brand span { font-size: 1.5rem; font-weight: 700; }
.footer-desc { color: var(--viro-muted); max-width: 24rem; }
.footer-h {
  font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--viro-accent); margin-bottom: 1rem;
}
.footer-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; }
.footer-list li { display: flex; align-items: center; gap: 0.75rem; }
.footer-list .label { color: var(--viro-muted); }
.footer-list .val { color: var(--viro-text); }
.footer-list a:hover { text-decoration: underline; }
.footer-bottom {
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--viro-divider);
  display: flex; flex-direction: column; gap: 0.75rem;
  font-size: 0.75rem; color: var(--viro-muted);
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

[dir="rtl"] .eyebrow-line { /* keep */ }