:root {
  --green: #00cf97;
  --aqua: #00a5b0;
  --purple: #6821b2;
  --navy: #1e194e;
  --navy-deep: #12102e;
  --purple-dark: #2a0d54;
  --gold: #ffd071;
  --gold-dark: #d39b36;
  --ink: #1e194e;
  --muted: #636466;
  --surface: #ffffff;
  --surface-soft: #f7f7f7;
  --line: rgba(30, 25, 78, 0.12);
  --shadow: 0 24px 70px rgba(30, 25, 78, 0.16);
  --radius-lg: 30px;
  --radius-md: 20px;
  --max-width: 1160px;
  --font-sans: "Poppins", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(0, 207, 151, 0.1), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, #f7f7f7 48%, #ffffff 100%);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  width: min(calc(100% - 32px), var(--max-width));
  min-height: clamp(430px, 54vw, 560px);
  margin: 34px auto 0;
  padding: clamp(28px, 5vw, 56px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 14%, rgba(104, 33, 178, 0.9), transparent 32rem),
    radial-gradient(circle at 8% 20%, rgba(0, 165, 176, 0.18), transparent 26rem),
    linear-gradient(45deg, #120f30 0%, #1e194e 45%, #4b189b 100%);
  box-shadow: var(--shadow);
}

.hero-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(70px, 10vw, 118px);
}

.hero-brand {
  display: inline-flex;
  align-items: center;
}

.hero-logo {
  height: 34px;
  width: auto;
}

.menu-button {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.hero-stage {
  max-width: 900px;
  padding-left: clamp(0px, 4vw, 40px);
}

.hero-content {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--aqua);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  font-weight: 500;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  font-weight: 400;
}

.hero h1 .edge {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.hero-br {
  display: inline;
}

.hero .eyebrow {
  margin-bottom: 16px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

h2 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  font-weight: 400;
}

h3 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 1.14rem;
  letter-spacing: 0;
  font-weight: 500;
}

.hero-copy {
  max-width: 570px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 24px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #23112d;
  background: linear-gradient(135deg, var(--gold), #f5b84e);
  box-shadow: 0 14px 30px rgba(255, 208, 113, 0.24);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #ffffff;
}

.section {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: clamp(72px, 10vw, 118px) 0 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.72fr);
  gap: 42px;
  align-items: end;
}

.intro p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 1.1rem;
}

.centered {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 55px rgba(30, 25, 78, 0.07);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-icon {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 52px;
  margin-bottom: 28px;
  border-radius: 18px;
  background: linear-gradient(45deg, rgba(0, 207, 151, 0.95), rgba(0, 165, 176, 0.95), rgba(104, 33, 178, 0.95));
  box-shadow: 0 16px 34px rgba(0, 165, 176, 0.22);
}

.feature-icon::before,
.feature-icon::after {
  position: absolute;
  content: "";
  background: #ffffff;
}

.feature-icon.lifecycle::before {
  inset: 15px 13px;
  border-radius: 999px;
  background: transparent;
  border: 4px solid #ffffff;
}

.feature-icon.lifecycle::after {
  right: 10px;
  bottom: 11px;
  width: 14px;
  height: 14px;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.feature-icon.productivity::before {
  left: 15px;
  top: 11px;
  width: 22px;
  height: 30px;
  border-radius: 999px 999px 8px 8px;
  transform: rotate(-24deg);
}

.feature-icon.productivity::after {
  left: 15px;
  bottom: 11px;
  width: 23px;
  height: 6px;
  border-radius: 999px;
}

.feature-icon.engagement::before {
  left: 12px;
  top: 13px;
  width: 28px;
  height: 20px;
  border-radius: 8px;
}

.feature-icon.engagement::after {
  left: 20px;
  top: 29px;
  width: 12px;
  height: 12px;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.stealth {
  padding-bottom: clamp(72px, 10vw, 118px);
}

.stealth-card {
  overflow: hidden;
  padding: clamp(30px, 5vw, 54px);
  border-radius: var(--radius-lg);
  color: #ffffff;
  text-align: center;
  background:
    radial-gradient(circle at 80% 18%, rgba(0, 165, 176, 0.22), transparent 22rem),
    linear-gradient(45deg, var(--navy-deep), var(--purple-dark));
  box-shadow: var(--shadow);
}

.stealth-card h2 {
  color: #ffffff;
  font-size: 1.14rem;
  letter-spacing: -0.03em;
}

.stealth-copy {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  font-weight: 400;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
}

.footer-logo {
  height: 26px;
  width: auto;
}

.site-footer p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

@media (max-width: 880px) {
  .intro,
  .stealth-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 34px 24px;
  }

  .hero-topbar {
    margin-bottom: clamp(48px, 12vw, 90px);
  }

  .hero-br {
    display: none;
  }

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

@media (max-width: 560px) {
  .hero,
  .section,
  .site-footer {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .feature-card {
    min-height: auto;
  }
}