:root {
  --font-heading: Inter, Arial, sans-serif;
  --font-body: Arial, sans-serif;
  --container-width: 1160px;
  --radius: 24px;
  --section-spacing: 72px;
  --card-gap: 24px;
  --background-color: #0f172a;
  --surface-color: #1e293b;
  --surface-soft-color: rgba(255,255,255,0.07);
  --text-color: #f8fafc;
  --muted-text-color: #cbd5e1;
  --accent-color: #22c55e;
  --border-color: rgba(255,255,255,0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background-color);
  color: var(--text-color);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-color);
  background:
    radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--accent-color), transparent 82%), transparent 34rem),
    linear-gradient(180deg, #111827 0%, var(--background-color) 34rem);
  text-rendering: optimizeLegibility;
}

body.spacing-compact {
  --section-spacing: 52px;
  --card-gap: 18px;
}

body.spacing-wide {
  --section-spacing: 92px;
  --card-gap: 30px;
}

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

p {
  margin: 0;
  color: var(--muted-text-color);
}

.container {
  width: min(100% - 40px, var(--container-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.86);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 44%;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--text-color);
}

.logo::before {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent-color);
  box-shadow: 0 0 24px var(--accent-color);
  content: "";
  flex: 0 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted-text-color);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav a:hover,
.nav a:focus-visible {
  border-color: var(--border-color);
  color: var(--text-color);
  background: var(--surface-soft-color);
  outline: none;
}

.hero {
  padding: calc(var(--section-spacing) + 24px) 0 var(--section-spacing);
}

.hero .container {
  position: relative;
  display: grid;
  gap: 24px;
}

.hero h1 {
  max-width: 820px;
}

.hero p {
  max-width: 700px;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero .button {
  justify-self: start;
}

.hero-centered .container {
  justify-items: center;
  text-align: center;
}

.hero-centered .button {
  justify-self: center;
}

.hero-centered h1,
.hero-centered p {
  margin-left: auto;
  margin-right: auto;
}

.hero-split .container {
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  align-items: center;
}

.hero-split .badge,
.hero-split h1,
.hero-split p,
.hero-split .button {
  grid-column: 1;
}

.hero-split .container::after {
  display: block;
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: stretch;
  min-height: 280px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-color), transparent 76%), transparent 58%),
    linear-gradient(180deg, var(--surface-soft-color), rgba(255, 255, 255, 0.025));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  content: "";
}

.hero-stacked .container {
  max-width: 840px;
}

.hero-stacked .button {
  justify-self: start;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 6px 12px;
  border: 1px solid color-mix(in srgb, var(--accent-color), transparent 45%);
  border-radius: 999px;
  color: var(--text-color);
  background: color-mix(in srgb, var(--accent-color), transparent 86%);
  font-size: 0.82rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 1.08;
  letter-spacing: 0;
  color: var(--text-color);
}

h1 {
  font-size: clamp(2.35rem, 6vw, 4.8rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.section {
  padding: var(--section-spacing) 0;
}

.section .container {
  display: grid;
  gap: 28px;
}

.text-block .container {
  max-width: 820px;
}

.text-block p {
  font-size: 1.08rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}

.benefit-card,
.step-card,
.faq-item,
.cta .container,
.checklist li {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-soft-color), rgba(255, 255, 255, 0.035));
}

.benefit-card,
.step-card {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.benefit-card h3,
.step-card h3 {
  color: var(--text-color);
}

.steps-list {
  display: grid;
  gap: 16px;
  counter-reset: steps;
}

.step-card {
  position: relative;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  column-gap: 18px;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  color: #052e16;
  background: var(--accent-color);
  font-weight: 900;
}

.step-card p {
  grid-column: 2;
}

.faq {
  background: rgba(255, 255, 255, 0.025);
}

.faq-item {
  overflow: hidden;
}

.faq-item + .faq-item {
  margin-top: 12px;
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 22px;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--text-color);
}

.faq-item summary::marker {
  color: var(--accent-color);
}

.faq-item p {
  padding: 0 22px 22px;
}

.cta .container {
  justify-items: start;
  padding: 34px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-color), transparent 78%), transparent),
    var(--surface-color);
}

.button,
.hero .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid color-mix(in srgb, var(--accent-color), transparent 35%);
  border-radius: 999px;
  color: #052e16;
  background: var(--accent-color);
  font-weight: 900;
  text-align: center;
  box-shadow: 0 14px 34px color-mix(in srgb, var(--accent-color), transparent 82%);
}

.button:hover,
.button:focus-visible,
.hero .button:hover,
.hero .button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.checklist ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 18px 18px 18px 48px;
  color: var(--muted-text-color);
}

.checklist li::before {
  position: absolute;
  top: 19px;
  left: 18px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  color: #052e16;
  background: var(--accent-color);
  content: "";
}

.checklist li::after {
  position: absolute;
  top: 23px;
  left: 24px;
  width: 5px;
  height: 9px;
  border: solid #052e16;
  border-width: 0 2px 2px 0;
  content: "";
  transform: rotate(45deg);
}

.footer {
  padding: 34px 0;
  border-top: 1px solid var(--border-color);
  color: var(--muted-text-color);
  background: rgba(2, 6, 23, 0.35);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

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

@media (max-width: 820px) {
  .container {
    width: min(100% - 28px, var(--container-width));
  }

  .site-header {
    position: static;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    min-height: auto;
    padding: 18px 0;
  }

  .logo {
    max-width: 100%;
  }

  .nav {
    justify-content: flex-start;
  }

  .nav a {
    padding: 7px 10px;
    font-size: 0.9rem;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-split .container {
    grid-template-columns: 1fr;
  }

  .hero-split .badge,
  .hero-split h1,
  .hero-split p,
  .hero-split .button,
  .hero-split .container::after {
    grid-column: auto;
    grid-row: auto;
  }

  .hero-split .container::after {
    min-height: 180px;
  }

  .benefits-grid,
  .checklist ul {
    grid-template-columns: 1fr;
  }

  .step-card {
    grid-template-columns: 1fr;
  }

  .step-card p {
    grid-column: auto;
  }

  .cta .container {
    padding: 26px;
  }
}

@media (max-width: 520px) {
  body {
    background:
      radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--accent-color), transparent 86%), transparent 24rem),
      var(--background-color);
  }

  .hero,
  .section {
    padding: 44px 0;
  }

  .hero .container,
  .section .container {
    gap: 20px;
  }

  .benefit-card,
  .step-card {
    padding: 20px;
  }

  .button,
  .hero .button {
    width: 100%;
  }
}