:root {
  --bg: #ecfbf8;
  --bg-soft: #f7fcfb;
  --card: rgba(255, 255, 255, 0.82);
  --card-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(19, 68, 66, 0.11);
  --ink: #122736;
  --ink-strong: #0d1f2c;
  --muted: #5d7480;
  --muted-strong: #47606d;
  --teal: #19b6a4;
  --teal-deep: #0f8f83;
  --teal-soft: rgba(25, 182, 164, 0.12);
  --shadow: 0 24px 60px rgba(12, 43, 52, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(25, 182, 164, 0.16), transparent 24rem),
    radial-gradient(circle at bottom left, rgba(25, 182, 164, 0.12), transparent 20rem),
    linear-gradient(180deg, #f8fdfc 0%, var(--bg) 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(18, 39, 54, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 39, 54, 0.04) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.45;
}

a {
  color: inherit;
}

.site-shell {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 32px 24px 88px;
}

.topbar {
  position: sticky;
  top: 20px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto 28px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(12, 43, 52, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 7px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(19, 68, 66, 0.08);
  box-shadow: 0 12px 26px rgba(12, 43, 52, 0.1);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.brand small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-copy {
  line-height: 1.05;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.nav-link:hover {
  transform: translateY(-1px);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.nav-link.active {
  background: rgba(25, 182, 164, 0.14);
  border-color: rgba(25, 182, 164, 0.28);
  color: var(--teal-deep);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 56px;
  border: 1px solid var(--border);
  border-radius: 40px;
  background:
    radial-gradient(circle at top right, rgba(25, 182, 164, 0.18), transparent 16rem),
    radial-gradient(circle at 82% 24%, rgba(25, 182, 164, 0.12), transparent 11rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.78));
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  top: 28px;
  right: 34px;
  width: 196px;
  height: 196px;
  border-radius: 36px;
  border: 1px solid rgba(25, 182, 164, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.06)),
    linear-gradient(135deg, rgba(25, 182, 164, 0.12), rgba(25, 182, 164, 0.02));
  transform: rotate(12deg);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.4),
    0 20px 36px rgba(12, 43, 52, 0.08);
}

.hero::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -64px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: rgba(25, 182, 164, 0.1);
}

.hero-illustration {
  position: absolute;
  top: 48px;
  right: 52px;
  width: 184px;
  height: 184px;
  pointer-events: none;
  opacity: 0.95;
}

.hero-illustration::before,
.hero-illustration::after {
  content: "";
  position: absolute;
  border-radius: 28px;
}

.hero-illustration::before {
  inset: 18px 36px 64px 28px;
  border: 1px solid rgba(25, 182, 164, 0.24);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.1)),
    linear-gradient(135deg, rgba(25, 182, 164, 0.16), rgba(25, 182, 164, 0.04));
  box-shadow: 0 18px 32px rgba(12, 43, 52, 0.1);
}

.hero-illustration::after {
  top: 54px;
  right: 6px;
  width: 78px;
  height: 78px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 34% 34%, rgba(255, 255, 255, 0.7), transparent 18px),
    linear-gradient(135deg, rgba(25, 182, 164, 0.28), rgba(25, 182, 164, 0.08));
  border: 1px solid rgba(25, 182, 164, 0.18);
  box-shadow: 0 16px 30px rgba(12, 43, 52, 0.08);
}

.hero-illustration .line {
  position: absolute;
  left: 0;
  right: 22px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(25, 182, 164, 0.1), rgba(25, 182, 164, 0.3));
}

.hero-illustration .line.one {
  top: 116px;
  width: 116px;
}

.hero-illustration .line.two {
  top: 138px;
  width: 144px;
}

.hero-illustration .line.three {
  top: 160px;
  width: 94px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(25, 182, 164, 0.16);
  color: var(--teal-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 18px 0 16px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.96;
  letter-spacing: -0.06em;
  position: relative;
  z-index: 1;
  color: var(--ink-strong);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.24);
}

.hero p {
  max-width: 720px;
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
  position: relative;
  z-index: 1;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
  position: relative;
  z-index: 1;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.section {
  margin-top: 28px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.8)),
    var(--card);
  backdrop-filter: blur(20px);
  box-shadow: 0 16px 36px rgba(12, 43, 52, 0.08);
}

.section h2 {
  margin: 0 0 14px;
  font-size: 28px;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
}

.section h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--ink-strong);
}

.section p,
.section li {
  color: var(--muted-strong);
  font-size: 16px;
  line-height: 1.7;
}

.section p:last-child {
  margin-bottom: 0;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    var(--card-strong);
  box-shadow: 0 12px 26px rgba(12, 43, 52, 0.06);
}

.card strong,
.card-title {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--ink-strong);
}

.key-list,
.stack {
  display: grid;
  gap: 14px;
}

.key-list .row {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid rgba(19, 68, 66, 0.08);
}

.key-list .row:first-child {
  padding-top: 0;
  border-top: 0;
}

.key-list .label {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

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

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

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--teal), #42d5c7);
  color: #fff;
  box-shadow: 0 18px 36px rgba(25, 182, 164, 0.24);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  border-color: var(--border);
}

.button.secondary:hover {
  box-shadow: 0 12px 24px rgba(12, 43, 52, 0.08);
}

.muted-note {
  color: var(--muted);
  font-size: 14px;
}

.footer {
  margin-top: 28px;
  padding: 24px 28px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted-strong);
  font-size: 14px;
  text-align: center;
}

.footer a {
  color: var(--teal-deep);
  font-weight: 700;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 960px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .key-list .row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 720px) {
  .site-shell {
    padding: 18px 16px 64px;
  }

  .topbar {
    position: static;
    flex-direction: column;
    align-items: stretch;
    border-radius: 24px;
    padding: 16px;
  }

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

  .hero {
    padding: 32px 24px;
    border-radius: 30px;
  }

  .hero::before,
  .hero-illustration {
    display: none;
  }

  .section {
    padding: 24px 20px;
  }

  .hero h1 {
    margin-top: 16px;
  }
}