:root {
  --bg: #f3f7f5;
  --bg-deep: #e4efeb;
  --ink: #10221f;
  --ink-soft: #3d5651;
  --brand: #0f5a54;
  --brand-bright: #1fa89a;
  --accent: #c8f0e6;
  --line: rgba(16, 34, 31, 0.12);
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(15, 90, 84, 0.12);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --radius: 18px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(243, 247, 245, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(243, 247, 245, 0.92);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  background:
    radial-gradient(circle at 35% 30%, #d7f5ef 0 18%, transparent 19%),
    linear-gradient(145deg, #1fa89a, #0b3d3a);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.logo-text {
  font-size: 1.15rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
}

.nav a:hover {
  color: var(--brand);
}

.nav-cta {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--brand);
  color: var(--white) !important;
}

.nav-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--white);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  padding: 0 0.6rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.mobile-nav {
  position: fixed;
  top: 4.2rem;
  right: 1rem;
  left: 1rem;
  z-index: 39;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.1rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.mobile-nav[hidden] {
  display: none !important;
}

.mobile-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 7.5rem 1.5rem 4.5rem;
  background:
    radial-gradient(1200px 600px at 78% 35%, rgba(31, 168, 154, 0.22), transparent 55%),
    linear-gradient(165deg, #f7fbfa 0%, #e7f1ee 48%, #d5e8e3 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 90, 84, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 90, 84, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 70% 40%, black 20%, transparent 70%);
  animation: gridDrift 28s linear infinite;
}

.hero-glow {
  position: absolute;
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  right: 8%;
  top: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 240, 230, 0.9), rgba(31, 168, 154, 0.18) 45%, transparent 70%);
  filter: blur(8px);
  animation: glowBreathe 6.5s ease-in-out infinite;
}

.hero-orbit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.orbit-ring {
  transform-origin: 780px 390px;
}

.orbit-ring.r1 {
  animation: spinSlow 32s linear infinite;
}

.orbit-ring.r2 {
  animation: spinSlow 22s linear infinite reverse;
}

.orbit-ring.r3 {
  animation: spinSlow 16s linear infinite;
}

.orbit-pulse {
  transform-origin: 780px 390px;
  animation: pulseRing 2.8s ease-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.brand-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  color: var(--brand);
  line-height: 1;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  max-width: 18ch;
}

.hero-lead {
  margin: 1.15rem 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-meta {
  margin: 1.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  background: var(--brand);
  color: var(--white);
}

.btn-primary:hover {
  background: #0c4843;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--line);
  color: var(--ink);
}

.section {
  padding: 5rem 1.5rem;
}

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

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-lead {
  margin: 0.85rem 0 0;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.features {
  background: var(--white);
}

.feature-list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  display: grid;
  gap: 0.35rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.feature-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.feature-list span {
  color: var(--ink-soft);
}

.how {
  background:
    linear-gradient(180deg, #eef6f3, #f3f7f5);
}

.how-grid {
  display: grid;
  gap: 2rem;
}

.how p {
  color: var(--ink-soft);
  max-width: 40rem;
}

.how-panel {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #0f5a54, #1a7d73);
  color: #e8faf6;
  box-shadow: var(--shadow);
}

.how-panel-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.how-panel p:last-child {
  margin: 0;
  color: rgba(232, 250, 246, 0.88);
}

.privacy {
  background: var(--white);
}

.privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.cta-band {
  background:
    radial-gradient(700px 280px at 20% 0%, rgba(31, 168, 154, 0.18), transparent 60%),
    var(--bg-deep);
  text-align: center;
}

.cta-band-inner {
  display: grid;
  gap: 0.85rem;
  justify-items: center;
}

.cta-band p {
  margin: 0;
  color: var(--ink-soft);
}

.site-footer {
  padding: 3.5rem 1.5rem 2rem;
  background: #0d2b28;
  color: rgba(232, 250, 246, 0.86);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.footer-brand {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
}

.footer-copy,
.footer-inner p {
  margin: 0.25rem 0;
  font-size: 0.95rem;
}

.footer-label {
  margin-bottom: 0.55rem !important;
  color: #9fd9cf;
  font-size: 0.8rem !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-inner a {
  color: #dff7f1;
}

.footer-legal {
  max-width: var(--max);
  margin: 2.5rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: rgba(232, 250, 246, 0.6);
}

.page {
  padding: 7rem 1.5rem 4rem;
}

.page-inner {
  max-width: 720px;
  margin: 0 auto;
}

.page h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.035em;
}

.page .muted {
  color: var(--ink-soft);
}

.page h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.page p,
.page li {
  color: var(--ink-soft);
}

@keyframes gridDrift {
  from { background-position: 0 0; }
  to { background-position: 72px 72px; }
}

@keyframes glowBreathe {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(3.2); opacity: 0; }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .hero {
    align-items: center;
    padding-top: 6.5rem;
  }

  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.5rem;
  }

  .how-grid {
    grid-template-columns: 1.4fr 0.9fr;
    align-items: center;
  }

  .footer-inner {
    grid-template-columns: 1.2fr 1fr 0.8fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-grid,
  .hero-glow,
  .orbit-ring,
  .orbit-pulse {
    animation: none;
  }
}