:root {
  --bg: #030504;
  --bg-elevated: #07110b;
  --panel: rgba(6, 19, 11, 0.82);
  --panel-strong: rgba(5, 15, 9, 0.94);
  --ink: #d5ffd8;
  --muted: #84ba8b;
  --accent: #55ff88;
  --accent-strong: #8fffaa;
  --accent-dim: rgba(85, 255, 136, 0.16);
  --line: rgba(85, 255, 136, 0.2);
  --line-strong: rgba(143, 255, 170, 0.45);
  --danger: #0b130d;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(85, 255, 136, 0.09), transparent 24%),
    radial-gradient(circle at 80% 10%, rgba(85, 255, 136, 0.07), transparent 22%),
    linear-gradient(180deg, #020403 0%, #040906 42%, #020403 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.02)),
    repeating-linear-gradient(
      180deg,
      rgba(85, 255, 136, 0.03) 0,
      rgba(85, 255, 136, 0.03) 1px,
      transparent 1px,
      transparent 4px
    );
  opacity: 0.3;
  pointer-events: none;
  z-index: 999;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  box-shadow: inset 0 0 120px rgba(85, 255, 136, 0.05);
  pointer-events: none;
  z-index: 998;
}

a {
  color: inherit;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 56px;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(85, 255, 136, 0.18), transparent 22%),
    radial-gradient(circle at 78% 20%, rgba(85, 255, 136, 0.08), transparent 18%),
    linear-gradient(135deg, rgba(2, 5, 3, 0.9), rgba(2, 6, 4, 0.65));
  pointer-events: none;
}

.nav,
.hero-content {
  position: relative;
  z-index: 1;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 30px 0 18px;
}

.brand,
h1,
h2,
h3 {
  margin-top: 0;
  text-wrap: balance;
}

.brand {
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  text-shadow: 0 0 16px rgba(85, 255, 136, 0.24);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent-strong);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 420px);
  gap: 28px;
  align-items: stretch;
  padding: 70px 0 48px;
}

.eyebrow,
.kicker,
.step span,
.card-index {
  font-family: "IBM Plex Mono", monospace;
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(3.3rem, 8vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  line-height: 1.05;
}

.lead,
.section-text,
.card p,
.step p,
.about-panel p,
.contact-card p,
.panel-note,
.form-note,
.checklist {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.lead {
  max-width: 42rem;
  color: rgba(213, 255, 216, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 14px 22px;
  background: linear-gradient(180deg, rgba(85, 255, 136, 0.18), rgba(85, 255, 136, 0.08));
  color: var(--accent-strong);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
  box-shadow: 0 0 0 rgba(85, 255, 136, 0);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent-strong);
  box-shadow: 0 0 24px rgba(85, 255, 136, 0.18);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(85, 255, 136, 0.08);
}

.cards,
.steps,
.contact-layout,
.split {
  display: grid;
  gap: 20px;
}

.card,
.step,
.about-panel,
.check-panel,
.contact-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
  box-shadow: var(--shadow);
}

.card,
.step,
.about-panel,
.check-panel,
.contact-card,
.contact-form {
  padding: 28px;
}

.section {
  padding: 92px 0;
}

.section-alt {
  position: relative;
}

.section-alt::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.section-alt::before {
  background: linear-gradient(180deg, rgba(85, 255, 136, 0.02), rgba(85, 255, 136, 0.04));
}

.section-heading {
  margin-bottom: 34px;
  max-width: 54rem;
}

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

.card,
.step,
.about-panel,
.check-panel,
.contact-card,
.contact-form {
  position: relative;
}

.card::before,
.step::before,
.about-panel::before,
.check-panel::before,
.contact-card::before,
.contact-form::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(143, 255, 170, 0.05), transparent 40%);
  pointer-events: none;
}

.card-index {
  margin: 0 0 16px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.split {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  align-items: start;
}

.split-wide {
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
}

.step span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.about-tags span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(85, 255, 136, 0.06);
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.checklist {
  margin: 0;
  padding-left: 22px;
}

.checklist li + li {
  margin-top: 10px;
}

.contact-layout {
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  align-items: start;
}

.contact-card h3 {
  margin-bottom: 18px;
}

.contact-form {
  display: grid;
  gap: 10px;
}

.contact-form label {
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.22);
  padding: 14px 16px;
  font: inherit;
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 4px rgba(85, 255, 136, 0.08);
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

.form-note {
  margin: 4px 0 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 34px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-content a {
  text-decoration: none;
}

.footer-content a:hover,
.footer-content a:focus-visible {
  color: var(--accent-strong);
}

@media (max-width: 1024px) {
  .hero-content,
  .split,
  .split-wide,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  h1 {
    max-width: 13ch;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .nav,
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-content {
    padding-top: 46px;
  }

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

  .section {
    padding: 78px 0;
  }

  .card,
  .step,
  .about-panel,
  .check-panel,
  .contact-card,
  .contact-form {
    padding: 22px;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.3rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}