:root {
  --bg: #0a0c10;
  --panel: #13161c;
  --panel-strong: #191e27;
  --border: #27303d;
  --text: #e8edf3;
  --dim: #a5b0bd;
  --accent: #3fb950;
  --accent-dark: #238636;
  --blue: #58a6ff;
  --warning: #d29922;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -16%, rgba(63, 185, 80, 0.13), transparent 34rem),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #79d88a;
  text-decoration: none;
}

a:hover {
  color: #9be9a8;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
  border-radius: 8px;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 16px;
  padding: 9px 13px;
  color: #fff;
  background: var(--accent-dark);
  border-radius: 9px;
  font-weight: 750;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(39, 48, 61, 0.9);
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 18px;
  font-weight: 850;
  letter-spacing: 1px;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 31px;
  height: 31px;
  border-radius: 8px;
}

.brand b {
  color: var(--accent);
}

.nav-links {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--dim);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 12px 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel-strong);
  font-weight: 800;
  text-align: center;
}

.button:hover {
  color: #fff;
  border-color: #526174;
}

.button.primary {
  color: #fff;
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.button.primary:hover {
  border-color: #2ea043;
  background: #2ea043;
}

.hero {
  padding: 82px 0 58px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  padding: 6px 12px;
  border: 1px solid rgba(63, 185, 80, 0.45);
  border-radius: 999px;
  color: #83df93;
  background: rgba(35, 134, 54, 0.14);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  max-width: 880px;
  margin: 20px auto 0;
  font-size: clamp(38px, 6vw, 64px);
  letter-spacing: -1.7px;
}

h1 strong {
  color: var(--accent);
}

.hero .lead {
  max-width: 720px;
  margin: 18px auto 0;
  color: var(--dim);
  font-size: clamp(17px, 2.2vw, 21px);
}

.cta {
  display: flex;
  margin-top: 30px;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.proof {
  display: flex;
  margin: 18px 0 0;
  padding: 0;
  justify-content: center;
  gap: 9px 22px;
  flex-wrap: wrap;
  color: #bac4cf;
  font-size: 14px;
  font-weight: 650;
  list-style: none;
}

.hero-shot {
  display: block;
  width: min(920px, 100%);
  margin: 40px auto 0;
  border: 1px solid #2c3746;
  border-radius: 18px;
  background: #000;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

section {
  padding: 58px 0;
  border-top: 1px solid var(--border);
}

section[id] {
  scroll-margin-top: 76px;
}

h2 {
  font-size: clamp(27px, 4vw, 39px);
  letter-spacing: -0.5px;
  text-align: center;
}

.section-lead {
  max-width: 700px;
  margin: 10px auto 32px;
  color: var(--dim);
  text-align: center;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.step,
.note {
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--panel);
}

.card,
.step {
  padding: 22px;
}

.card h3,
.step h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.card p,
.step p {
  margin: 0;
  color: var(--dim);
  font-size: 15px;
}

.step-number {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 15px;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: var(--accent-dark);
  font-weight: 850;
}

.note {
  max-width: 820px;
  margin: 26px auto 0;
  padding: 18px 20px;
  color: #cad3dd;
}

.note.warning {
  border-color: #554923;
  background: #17150f;
}

.detail {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.detail.reverse {
  grid-template-columns: minmax(320px, 1.1fr) minmax(0, 0.9fr);
}

.detail-copy h2 {
  text-align: left;
}

.detail-copy p,
.detail-copy li {
  color: var(--dim);
}

.detail-copy ul {
  padding-left: 21px;
}

.detail img {
  display: block;
  width: 100%;
  border: 1px solid #2c3746;
  border-radius: 16px;
  background: #000;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.3);
}

code {
  padding: 2px 6px;
  border: 1px solid #303a47;
  border-radius: 6px;
  color: #d9e2ec;
  background: #090b0f;
  font: 0.92em ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}

.faq {
  max-width: 820px;
  margin: 0 auto;
}

.faq details {
  margin-bottom: 11px;
  padding: 4px 18px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--panel);
}

.faq summary {
  padding: 15px 0;
  cursor: pointer;
  font-weight: 780;
}

.faq p {
  margin: 0;
  padding: 0 0 17px;
  color: var(--dim);
}

.next-guides a {
  display: flex;
  min-height: 180px;
  padding: 22px;
  flex-direction: column;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 15px;
  background: linear-gradient(145deg, #141922, #101318);
}

.next-guides a:hover {
  border-color: rgba(63, 185, 80, 0.6);
}

.next-guides span {
  margin-top: auto;
  padding-top: 18px;
  color: #79d88a;
  font-weight: 800;
}

footer {
  padding: 36px 0 52px;
  color: var(--dim);
  border-top: 1px solid var(--border);
  font-size: 14px;
  text-align: center;
}

footer p {
  margin: 0 0 8px;
}

@media (max-width: 850px) {
  .nav-links a:not(.button) {
    display: none;
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail,
  .detail.reverse {
    grid-template-columns: 1fr;
  }

  .detail.reverse img {
    order: 2;
  }
}

@media (max-width: 600px) {
  .wrap {
    width: min(100% - 30px, 1080px);
  }

  .nav {
    gap: 10px;
  }

  .brand-word {
    display: none;
  }

  .nav .button {
    min-height: 42px;
    padding: 9px 13px;
    font-size: 14px;
  }

  .hero {
    padding: 58px 0 42px;
  }

  h1 {
    font-size: clamp(35px, 11vw, 48px);
  }

  .cta .button {
    width: 100%;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  section {
    padding: 46px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}