:root {
  --bg: #0d1326;
  --bg-soft: #151d36;
  --panel: #ffffff;
  --panel-soft: #f7f8fc;
  --ink: #101828;
  --muted: #64748b;
  --white: #ffffff;
  --teal: #18c8b8;
  --teal-dark: #0f9f93;
  --gold: #f6b84b;
  --violet: #7467f0;
  --line: rgba(255,255,255,.16);
  --shadow: 0 24px 60px rgba(3, 7, 18, .24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--panel-soft);
  line-height: 1.6;
}
body[dir="rtl"] { text-align: right; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.skip { position: absolute; left: -999px; top: 12px; background: var(--white); color: var(--ink); padding: 10px 14px; border-radius: 10px; z-index: 99; }
.skip:focus { left: 16px; }

.topbar {
  background: rgba(13, 19, 38, .96);
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; color: var(--white); letter-spacing: -.02em; }
.mark {
  width: 42px; height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  display: grid; place-items: center;
  color: var(--white);
  box-shadow: 0 10px 24px rgba(24,200,184,.28);
}
.brand small { display: block; font-weight: 600; color: rgba(255,255,255,.62); letter-spacing: .02em; }
.navlinks { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.navlinks a { color: rgba(255,255,255,.78); font-weight: 700; font-size: 14px; }
.navlinks a:hover { color: var(--white); }
.lang-select { background: rgba(255,255,255,.08); color: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 9px 12px; }
.lang-select option { color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: #031414; box-shadow: 0 14px 30px rgba(24,200,184,.25); }
.btn-primary:hover { background: #38dfd0; }
.btn-ghost { background: rgba(255,255,255,.09); color: var(--white); border-color: var(--line); }
.btn-dark { background: var(--bg); color: var(--white); }
.btn-light { background: var(--white); color: var(--bg); }
.btn-outline { color: var(--bg); border-color: rgba(13,19,38,.18); background: transparent; }

.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(24,200,184,.26), transparent 28%),
    radial-gradient(circle at 85% 25%, rgba(116,103,240,.35), transparent 32%),
    linear-gradient(135deg, #0d1326 0%, #111a38 55%, #081220 100%);
  color: var(--white);
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -160px -10%;
  height: 260px;
  background: var(--panel-soft);
  transform: rotate(-3deg);
}
.hero-grid {
  position: relative;
  z-index: 2;
  padding: 88px 0 130px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 52px;
  align-items: center;
}
.kicker { color: var(--teal); text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 900; margin-bottom: 16px; }
h1 { font-size: clamp(40px, 6vw, 72px); line-height: .98; margin: 0 0 24px; letter-spacing: -.05em; }
.hero p { color: rgba(255,255,255,.78); font-size: 19px; max-width: 700px; margin: 0 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.trust-row { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }
.pill { border: 1px solid var(--line); background: rgba(255,255,255,.08); color: rgba(255,255,255,.86); padding: 8px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; }

.lms-card {
  background: rgba(255,255,255,.1);
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  position: relative;
}
.screen {
  background: #f8fbff;
  color: var(--ink);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 22px 45px rgba(0,0,0,.24);
}
.screen-head { height: 52px; background: linear-gradient(90deg, var(--violet), var(--teal)); display: flex; align-items: center; gap: 8px; padding: 0 18px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.78); }
.screen-body { padding: 24px; }
.course { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: 18px; background: var(--white); box-shadow: 0 10px 26px rgba(2, 8, 23, .08); margin-bottom: 14px; }
.course-icon { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; color: var(--white); background: var(--teal); flex: 0 0 auto; }
.course:nth-child(2) .course-icon { background: var(--violet); }
.course:nth-child(3) .course-icon { background: var(--gold); color: #2c1b00; }
.course h3 { margin: 0 0 2px; font-size: 16px; }
.course p { margin: 0; color: var(--muted); font-size: 13px; }

section { padding: 84px 0; }
.section-head { max-width: 780px; margin: 0 auto 46px; text-align: center; }
.section-head h2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -.04em; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--panel);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 14px 35px rgba(2, 8, 23, .06);
}
.card h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--muted); }
.icon {
  width: 54px; height: 54px;
  border-radius: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  color: var(--white);
  margin-bottom: 18px;
  font-weight: 900;
}

.dark-band { background: var(--bg); color: var(--white); }
.dark-band .section-head p, .dark-band .card p { color: rgba(255,255,255,.72); }
.dark-band .card { background: rgba(255,255,255,.06); border-color: var(--line); }
.step { position: relative; }
.step-number { color: var(--teal); font-weight: 900; font-size: 34px; margin-bottom: 8px; }

.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 42px; align-items: center; }
.notice { background: #fff8eb; border: 1px solid #f5d69e; color: #4a3100; border-radius: 24px; padding: 24px; }
.checklist { display: grid; gap: 14px; margin-top: 24px; }
.check { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); }
.check::before { content: "✓"; color: #031414; background: var(--teal); width: 24px; height: 24px; border-radius: 50%; flex: 0 0 auto; display: grid; place-items: center; font-weight: 900; }

.cta {
  background: linear-gradient(135deg, var(--teal) 0%, var(--violet) 100%);
  color: var(--white);
  border-radius: 36px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow);
}
.cta h2 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 44px); line-height: 1.06; }
.cta p { margin: 0; color: rgba(255,255,255,.82); }

.footer { background: #070b16; color: rgba(255,255,255,.72); padding: 44px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.footer a { color: var(--white); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 920px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .navlinks { justify-content: flex-start; }
  .hero-grid, .split, .cta, .footer-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 56px; }
  section { padding: 58px 0; }
  .cta { padding: 30px; }
}