/* PERSONA AI — brand styles */
:root {
  --bg: #07070b;
  --bg-2: #0d0d14;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f2f2f5;
  --muted: #9a9aab;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --grad: linear-gradient(120deg, #8b5cf6, #22d3ee);
  --radius: 18px;
  --font-en: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-ar: "IBM Plex Sans Arabic", "Cairo", system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-en);
  line-height: 1.6;
  overflow-x: hidden;
}
html[dir="rtl"] body { font-family: var(--font-ar); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 80% -10%, rgba(139, 92, 246, 0.22), transparent 70%),
    radial-gradient(700px 500px at 10% 110%, rgba(34, 211, 238, 0.12), transparent 70%);
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 7, 11, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.14em; }
.logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.lang-btn {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 7px 16px; border-radius: 999px; cursor: pointer; font-size: 0.85rem;
  font-family: inherit; transition: border-color 0.2s;
}
.lang-btn:hover { border-color: var(--accent); }

/* Buttons */
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; cursor: pointer; border: none;
  font-family: inherit; transition: transform 0.15s, box-shadow 0.2s;
}
.btn-primary {
  background: var(--grad); color: #06060a;
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(139, 92, 246, 0.5); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); }

/* Hero */
.hero { padding: 110px 0 90px; text-align: center; }
.badge {
  display: inline-block; padding: 6px 18px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); font-size: 0.82rem; letter-spacing: 0.08em; margin-bottom: 28px;
}
h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.12; font-weight: 700;
  max-width: 850px; margin: 0 auto 22px;
}
h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { color: var(--muted); font-size: 1.15rem; max-width: 620px; margin: 0 auto 40px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 80px 0; }
.section-title { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; margin-bottom: 12px; text-align: center; }
.section-sub { color: var(--muted); text-align: center; max-width: 560px; margin: 0 auto 56px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(139, 92, 246, 0.45); }
.card .icon { font-size: 1.8rem; margin-bottom: 16px; display: block; }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 32px 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-2); }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--grad); color: #06060a; font-weight: 700; margin-bottom: 18px;
}

/* CTA band */
.cta-band {
  border: 1px solid var(--border); border-radius: 24px; text-align: center;
  padding: 70px 30px; background:
    radial-gradient(500px 260px at 50% 0%, rgba(139, 92, 246, 0.18), transparent 70%), var(--bg-2);
}

/* Forms */
.form-card { max-width: 480px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 42px 36px; }
label { display: block; font-size: 0.88rem; color: var(--muted); margin-bottom: 8px; }
input, select {
  width: 100%; padding: 14px 16px; margin-bottom: 20px; border-radius: 12px;
  border: 1px solid var(--border); background: rgba(0, 0, 0, 0.35); color: var(--text);
  font-family: inherit; font-size: 1rem; outline: none; transition: border-color 0.2s;
}
input:focus { border-color: var(--accent); }
.form-msg { margin-top: 16px; font-size: 0.95rem; min-height: 24px; text-align: center; }
.form-msg.ok { color: #34d399; }
.form-msg.err { color: #f87171; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 0.88rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }

/* Prose (about) */
.prose { max-width: 720px; margin: 0 auto; }
.prose p { color: var(--muted); margin-bottom: 22px; font-size: 1.08rem; }
.prose strong { color: var(--text); }

@media (max-width: 640px) {
  .nav-links a.nav-page { display: none; }
  .hero { padding: 70px 0 60px; }
}