:root {
  --ink: #102 intermediate;
  --muted: #3d5552;
  --paper: #eef5f3;
  --paper-deep: #d9ebe6;
  --teal: #0b6e6a;
  --teal-deep: #085450;
  --cream-line: rgba(16, 42, 40, 0.08);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --max: 68rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #c5e4dd 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #b7d8d2 0%, transparent 45%),
    linear-gradient(180deg, #f7fbfa 0%, var(--paper) 40%, #e7f1ee 100%);
  min-height: 100vh;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(10px);
  background: rgba(247, 251, 250, 0.72);
  border-bottom: 1px solid var(--cream-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 10px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(92vh, 52rem);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: 4rem 0 5rem;
}

.hero-atmosphere {
  position: absolute;
  inset: -10% -5% auto;
  height: 70%;
  background:
    radial-gradient(circle at 30% 40%, rgba(11, 110, 106, 0.18), transparent 45%),
    radial-gradient(circle at 70% 20%, rgba(11, 110, 106, 0.12), transparent 40%);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: rise 0.9s ease-out both;
}

.hero-brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--teal-deep);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  font-size: 1.08rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  animation: rise 1.1s 0.12s ease-out both;
}

.hero-mark {
  width: min(70%, 280px);
  height: auto;
  border-radius: 28%;
  box-shadow: 0 24px 60px rgba(8, 84, 80, 0.18);
  animation: pulse 4.5s ease-in-out infinite;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.button.primary {
  background: var(--teal);
  color: #f7fffd;
}

.button.primary:hover {
  background: var(--teal-deep);
}

.button.ghost {
  background: transparent;
  color: var(--teal-deep);
  box-shadow: inset 0 0 0 1.5px rgba(11, 110, 106, 0.35);
}

.section {
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: 4.5rem 0;
}

.section-alt {
  border-top: 1px solid var(--cream-line);
  border-bottom: 1px solid var(--cream-line);
  background: rgba(255, 255, 255, 0.35);
  width: 100%;
  padding-left: max(1.5rem, calc((100% - var(--max)) / 2));
  padding-right: max(1.5rem, calc((100% - var(--max)) / 2));
}

.section h2,
.cta h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}

.section-lead {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 0.25rem 0;
}

.step-index {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--teal);
  line-height: 1;
  padding-top: 0.15rem;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.use-cases {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 2rem;
  max-width: 40rem;
}

.use-cases h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.use-cases p {
  margin: 0;
  color: var(--muted);
}

.cta {
  text-align: left;
  display: grid;
  gap: 1.25rem;
  justify-items: start;
  padding-bottom: 5rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--cream-line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer span:first-child {
  font-weight: 700;
  color: var(--teal-deep);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(2%, 3%, 0);
  }
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.5rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-mark {
    width: min(46%, 180px);
  }

  .hero-brand {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }
}