:root {
  --page-bg: #f7f7f9;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #555555;
  --meta: #777777;
  --hairline: #d9d9dc;
  --accent: #26F06C;
  --accent-dark: #14B44A;
  --accent-soft: #BFFAD7;
  --accent-shadow: rgba(38, 240, 108, 0.35);
  --container: 1040px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--muted);
  background-color: var(--page-bg);
  background-image:
    linear-gradient(120deg, rgba(38, 240, 108, 0.03) 1px, transparent 1px),
    linear-gradient(300deg, rgba(38, 240, 108, 0.03) 1px, transparent 1px);
  background-size: 160px 160px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  list-style: none;
  padding: 0;
}

.page {
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* HERO */

.hero {
  position: relative;
  padding: 120px 0 84px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4f6f8 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(120deg, rgba(38, 240, 108, 0.03) 1px, transparent 1px),
    linear-gradient(300deg, rgba(38, 240, 108, 0.02) 1px, transparent 1px);
  background-size: 220px 220px;
  opacity: 0.6;
  pointer-events: none;
}

.hero>* {
  position: relative;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
}

.hero-logo {
  height: 330px;
  margin: 0 auto 18px;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.15;
  font-weight: 600;
  color: var(--ink);
  margin: 4px 0 8px;
}

.hero-subhead {
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 auto 12px;
  max-width: 700px;
}

.hero .btn-primary {
  margin-top: 16px;
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 4px;
  padding: 0.55rem 1.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.18s ease-out;
}

.btn-primary {
  border: 1.5px solid var(--accent);
  color: var(--accent-dark);
  background-color: transparent;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--accent);
  color: #050505;
  box-shadow: 0 8px 20px var(--accent-shadow);
  transform: translateY(-1px);
}

/* SECTIONS */

.section {
  padding: 120px 0;
}

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-card {
  background-color: var(--surface);
  border-radius: 4px;
  border: 1px solid var(--hairline);
  padding: 32px 36px;
  box-shadow: 0 14px 32px rgba(17, 17, 17, 0.06);
}

.section-card--light {
  box-shadow: none;
  border-color: rgba(17, 17, 17, 0.08);
}

.section-card--slim {
  padding: 24px 28px;
  border-radius: 4px;
}

.usecases-section .section-card {
  padding-top: 20px;
  padding-bottom: 20px;
}

.status-section .section-card--slim {
  padding-top: 16px;
  padding-bottom: 16px;
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.05);
}

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

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 24px;
}

.section-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 12px;
  background-color: var(--accent);
  border-radius: 999px;
}

.section-title--tech {
  font-size: 2.2rem;   /* slightly larger than base section-title */
}

.section-subtitle {
  font-size: 0.96rem;
  color: var(--muted);
  margin-top: 4px;
}
.section-label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--meta);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.section-title+* {
  margin-top: 24px;
}

.section-inner p+p,
.section-inner p+ul,
.section-inner ul+p,
.section-inner ul+ul {
  margin-top: 16px;
}

/* LISTS */

.bullet-list {
  list-style: disc;
  padding-left: 20px;
  margin: 0;
}

.bullet-list li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  color: var(--ink);
}

@media (min-width: 768px) {
  .section-grid-right {
    margin-top: 26px;
  }
}

/* GRIDS */

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 24px;
}

.usecases-note {
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 4px;
  margin-bottom: 6px;
}

.usecases-section .bullet-list {
  margin-top: 2px;
}

.usecases-section .bullet-list li {
  margin-bottom: 0.36rem;
}

/* PILLS */

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.pill-list span {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 10px 18px;
  background-color: var(--surface);
  color: var(--ink);
  font-size: 0.95rem;
}

.requirements-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 6px;
}

.requirements-pill {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  color: var(--ink);
  border-left: 3px solid var(--accent);
}

/* TECH GRID */

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.tech-card {
  background-color: var(--surface);
  border-radius: 2px;
  border: 1px solid var(--hairline);
  padding: 18px 20px;
  transition: all 0.2s ease-out;
}

.tech-card h3 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.tech-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
}

.tech-card:hover,
.tech-card:focus-within {
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
  border-color: var(--accent);
}

/* CONTACT */

.contact-plain {
  text-align: center;
}

.contact-section .contact-accent {
  width: 40px;
  height: 3px;
  background-color: var(--accent);
  border-radius: 999px;
  margin: 0 auto 8px;
}

.contact-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.contact-note {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.18s ease-out;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent);
}

/* FOOTER */

.site-footer {
  text-align: center;
  padding: 40px 0;
  font-size: 0.92rem;
  color: #333333;
  border-top: 1px solid var(--hairline);
  line-height: 1.6;
}

.site-footer a {
  color: var(--accent-dark);
  text-decoration: none;
  transition: color 0.18s ease-out;
}

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

/* RESPONSIVE */

@media (max-width: 768px) {
  .hero {
    padding: 120px 0 90px;
  }

  .hero-logo {
    height: 180px;
  }

  .hero h1 {
    font-size: 2.1rem;
    margin-top: 8px;
    margin-bottom: 14px;
  }

  .section {
    padding: 88px 0;
  }

  .section-card {
    padding: 24px;
  }
}