:root {
  --ink: #07131a;
  --panel: #0f2230;
  --card: #143042;
  --line: #1e4a5c;
  --pulse: #2dd4bf;
  --pulse-dark: #0f766e;
  --mist: #8aa8a8;
  --white: #ffffff;
  --amber: #fbbf24;
  --glow: 0 0 40px rgba(45, 212, 191, 0.12);
  --radius: 20px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
}

body {
  background: var(--ink);
  color: var(--white);
  font-family: Vazirmatn, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.8;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip {
  position: absolute;
  right: -999px;
  top: 8px;
  background: var(--pulse);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 10px;
  z-index: 100;
}

.skip:focus {
  right: 16px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 19, 26, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: radial-gradient(circle at 30% 30%, #5eead4, var(--pulse-dark));
  box-shadow: var(--glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #cfe8e4;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 10px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
  background: rgba(45, 212, 191, 0.08);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pulse);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 12px;
}

.nav-cta:hover {
  filter: brightness(1.05);
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--white);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
}

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset-inline-end: -120px;
  top: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.16), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(45, 212, 191, 0.1);
  color: var(--pulse);
  border: 1px solid rgba(45, 212, 191, 0.28);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}

.hero h1 {
  margin: 18px 0 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.35;
  font-weight: 800;
}

.lead {
  margin: 18px 0 0;
  color: var(--mist);
  font-size: 17px;
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--pulse);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--line);
}

.btn:hover {
  filter: brightness(1.06);
}

.asset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.pill {
  background: var(--panel);
  border: 1px solid var(--line);
  color: #cfe8e4;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}

.hero-card {
  background: linear-gradient(180deg, var(--panel), var(--card));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--glow);
}

.hero-card h2 {
  margin: 0;
  font-size: 16px;
}

.hero-card p {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 14px;
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.stat {
  background: rgba(7, 19, 26, 0.45);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}

.stat strong {
  display: block;
  color: var(--pulse);
  font-size: 18px;
}

.stat span {
  color: var(--mist);
  font-size: 12px;
}

/* Sections */
section {
  padding: 72px 0;
}

.section-kicker {
  color: var(--pulse);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
}

.section-title {
  margin: 8px 0 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.4;
}

.section-intro {
  color: var(--mist);
  max-width: 62ch;
  margin: 12px 0 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--card);
  border: 1px solid rgba(30, 74, 92, 0.7);
  border-radius: var(--radius);
  padding: 22px;
}

.card h3 {
  margin: 12px 0 0;
  font-size: 18px;
}

.card p {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 14px;
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(45, 212, 191, 0.12);
  color: var(--pulse);
  font-size: 20px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--pulse);
  color: var(--ink);
  font-weight: 800;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0;
  font-size: 18px;
}

.step p {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 14px;
}

.disclaimer {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.08), rgba(20, 48, 66, 0.4));
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 24px;
  padding: 28px;
}

.disclaimer h2 {
  margin: 8px 0 0;
  font-size: 22px;
}

.disclaimer ul {
  margin: 16px 0 0;
  padding-right: 18px;
  color: #e8efe8;
}

.disclaimer li + li {
  margin-top: 8px;
}

.faq {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 4px 18px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  padding: 14px 0;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: left;
  color: var(--pulse);
  font-size: 20px;
  font-weight: 500;
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0 0 16px;
  color: var(--mist);
  font-size: 14px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 28px;
  background: #061018;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.footer h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.footer p,
.footer a {
  color: var(--mist);
  font-size: 14px;
}

.footer a:hover {
  color: var(--pulse);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero-grid,
  .cards,
  .cards-4,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .menu-btn {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    inset-inline: 0;
    top: 72px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    justify-content: center;
  }

  .hero,
  section {
    padding: 48px 0;
  }

  .hero-grid,
  .cards,
  .cards-4,
  .steps,
  .stat-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}