:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #14b8a6;
  --secondary-soft: #ccfbf1;
  --surface: #f8fafc;
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1120px;
}

@font-face {
  font-family: "IRANSans";
  src:
    url("../fonts/IRANSans.woff2") format("woff2"),
    url("../fonts/IRANSans.woff") format("woff");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 36rem),
    radial-gradient(circle at 12% 14%, rgba(20, 184, 166, 0.14), transparent 28rem),
    var(--surface);
  color: var(--text);
  font-family: "IRANSans", Tahoma, Arial, sans-serif;
  line-height: 1.9;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.narrow {
  max-width: 780px;
}

.section {
  padding: 88px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(226, 232, 240, 0.9);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 900;
  font-size: 1.25rem;
}

.brand img {
  filter: drop-shadow(0 10px 22px rgba(37, 99, 235, 0.18));
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  transition: color 160ms ease, background 160ms ease;
}

.nav a:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
}

.nav .nav-cta {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.24);
}

.nav .nav-cta:hover {
  color: #fff;
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 10px;
  background: var(--text);
}

.hero {
  padding-top: 76px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 800;
  font-size: 0.92rem;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 0 5px rgba(20, 184, 166, 0.14);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
margin-bottom: 20px;
    font-size: clamp(2.3rem, 5vw, 2.8rem);
    line-height: 1.22;
    letter-spacing: -0.04em;
    font-weight: bold;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.hero-content p,
.intro p,
.section-heading p {
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-lead {
  color: #334155 !important;
  font-size: 1.22rem !important;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.28);
}

.button-primary:hover {
  box-shadow: 0 20px 44px rgba(37, 99, 235, 0.34);
}

.button-secondary {
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--line);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: #334155;
  font-weight: 800;
}

.trust-row span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 9% 6% 4% 8%;
  z-index: -1;
  border-radius: 42px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(20, 184, 166, 0.18));
  filter: blur(2px);
}

.hero-image {
  margin-inline: auto;
  filter: drop-shadow(var(--shadow));
}

.intro {
  padding-top: 32px;
  text-align: center;
}

.highlight-text {
  display: inline-block;
  margin: 16px 0 0;
  color: var(--primary) !important;
  font-weight: 900;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.features .section-heading,
.plans .section-heading,
.faq .section-heading {
  text-align: center;
  margin-inline: auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.pricing-card,
details,
.final-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(10px);
}

.feature-card {
  min-height: 260px;
  padding: 24px;
  border-radius: var(--radius-md);
}

.feature-card img {
  margin-bottom: 18px;
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.pricing-card.popular {
  border-color: rgba(37, 99, 235, 0.34);
  box-shadow: 0 26px 70px rgba(37, 99, 235, 0.18);
  transform: translateY(-10px);
}

.badge {
  position: absolute;
  top: 18px;
  left: 18px;
  color: #0f766e;
  background: var(--secondary-soft);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.86rem;
  font-weight: 900;
}

.plan-name {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 900;
}

.plan-price {
  margin: 12px 0 4px;
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  line-height: 1.25;
  font-weight: 950;
  letter-spacing: -0.03em;
}

.plan-cycle,
.plan-limit {
  color: var(--muted);
  margin-bottom: 8px;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 18px 0 28px;
}

.pricing-card li {
  position: relative;
  padding-right: 24px;
  margin: 10px 0;
  color: #334155;
}

.pricing-card li::before {
  content: "✓";
  position: absolute;
  right: 0;
  color: var(--secondary);
  font-weight: 900;
}

.pricing-card .button {
  margin-top: auto;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 18px 20px;
  border-radius: var(--radius-md);
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.final-cta {
  padding-top: 44px;
}

.final-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(20, 184, 166, 0.1)),
    #fff;
}

.final-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.site-footer {
  padding: 28px 0 40px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .section {
    padding: 66px 0;
  }

  .hero-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-actions,
  .trust-row {
    justify-content: center;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card.popular {
    transform: none;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 66px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 74px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow);
  }

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

  .nav a {
    text-align: center;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .final-card,
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}