:root {
  --ink: #071412;
  --forest: #0b3d38;
  --teal: #0f766e;
  --mint: #5eead4;
  --foam: #e7f7f3;
  --mist: #c5ddd7;
  --paper: #f3f1ec;
  --warn: #c2410c;
  --font-he: "Heebo", sans-serif;
  --font-brand: "Syne", "Heebo", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(15, 118, 110, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(94, 234, 212, 0.12), transparent 55%),
    linear-gradient(180deg, #f7f5f0 0%, var(--paper) 40%, #ebe8e1 100%);
  font-family: var(--font-he);
  line-height: 1.55;
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

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

.top {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 4vw;
  backdrop-filter: blur(10px);
  background: rgba(243, 241, 236, 0.72);
  border-bottom: 1px solid rgba(7, 20, 18, 0.06);
}

.brand-mini {
  font-family: var(--font-brand);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(7, 20, 18, 0.72);
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 0;
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.04);
  animation: drift 18s ease-in-out infinite alternate;
}

.scan-line {
  position: absolute;
  inset-inline: 8%;
  height: 2px;
  top: 18%;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  opacity: 0.7;
  animation: scan 3.8s ease-in-out infinite;
  box-shadow: 0 0 24px rgba(94, 234, 212, 0.45);
}

.stamp-ring {
  position: absolute;
  width: min(42vw, 380px);
  aspect-ratio: 1;
  border: 1.5px solid rgba(204, 251, 241, 0.35);
  border-radius: 50%;
  top: 18%;
  inset-inline-start: 58%;
  animation: pulse 4.5s ease-in-out infinite;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(920px, 92vw);
  margin: 0 auto 7vh;
  padding: 2rem;
  color: var(--foam);
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.25);
}

.brand {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(3.4rem, 10vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
  margin: 0 0 1.1rem;
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 3.4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.25;
  max-width: 18ch;
  animation: rise 0.9s 0.12s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.lede {
  margin: 0 0 1.6rem;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  font-weight: 400;
  max-width: 38ch;
  color: rgba(231, 247, 243, 0.88);
  animation: rise 0.9s 0.22s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  animation: rise 0.9s 0.32s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.cta:hover {
  transform: translateY(-2px);
}

.cta.primary {
  background: var(--foam);
  color: var(--forest);
}

.cta.ghost {
  border: 1.5px solid rgba(231, 247, 243, 0.55);
  color: var(--foam);
}

.cta.invert {
  background: var(--foam);
  color: var(--forest);
}

.cta.dark {
  background: var(--forest);
  color: var(--foam);
}

.cta.dark-ghost {
  border: 1.5px solid rgba(7, 20, 18, 0.25);
  color: var(--forest);
  background: transparent;
}

footer a {
  color: var(--teal);
  font-weight: 600;
}

.download {
  max-width: none;
  padding-inline: 0;
}

.download-panel {
  margin-inline: 4vw;
  padding: clamp(2.5rem, 6vw, 5rem);
  background:
    linear-gradient(155deg, #10241f 0%, #0f766e 48%, #0b3d38 100%);
  color: var(--foam);
  border-radius: 28px;
}

.download-panel h2 {
  color: var(--foam);
  max-width: 14ch;
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
}

.download-panel > p {
  max-width: 42ch;
  color: rgba(231, 247, 243, 0.88);
  font-size: 1.08rem;
  margin: 0 0 1.4rem;
}

.install-note {
  margin: 1.1rem 0 0;
  font-size: 0.9rem;
  color: rgba(231, 247, 243, 0.65);
}

.why,
.flow,
.trust,
.download,
.close {
  padding: 7.5rem 6vw;
  max-width: 1200px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.eyebrow.light {
  color: var(--mint);
}

.why h2,
.flow h2,
.trust h2,
.close h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.section-lede {
  margin: 0 0 3rem;
  max-width: 42ch;
  font-size: 1.12rem;
  color: rgba(7, 20, 18, 0.72);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
  border-top: 1px solid rgba(7, 20, 18, 0.12);
  padding-top: 2.5rem;
}

.why-block h3 {
  margin: 0 0 0.65rem;
  font-size: 1.25rem;
  font-weight: 800;
}

.why-block p {
  margin: 0;
  color: rgba(7, 20, 18, 0.7);
}

.statement {
  padding: 4rem 6vw 2rem;
  max-width: 980px;
  margin: 0 auto;
}

.statement blockquote {
  margin: 0;
  position: relative;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--forest);
}

.qmark {
  display: block;
  font-family: var(--font-brand);
  font-size: 4rem;
  line-height: 0.6;
  color: var(--teal);
  opacity: 0.55;
  margin-bottom: 0.6rem;
}

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: start;
  padding: 1.3rem 0;
  border-bottom: 1px solid rgba(7, 20, 18, 0.1);
}

.steps .n {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--teal);
  letter-spacing: -0.04em;
}

.steps h3 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
}

.steps p {
  margin: 0;
  color: rgba(7, 20, 18, 0.68);
}

.trust {
  max-width: none;
  padding-inline: 0;
}

.trust-panel {
  margin-inline: 4vw;
  padding: clamp(2.5rem, 6vw, 5rem);
  background:
    linear-gradient(145deg, #0a2f2b 0%, #0f766e 55%, #115e59 100%);
  color: var(--foam);
  border-radius: 28px;
  overflow: hidden;
  position: relative;
}

.trust-panel::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(204, 251, 241, 0.2);
  border-radius: 50%;
  top: -120px;
  inset-inline-start: -80px;
  pointer-events: none;
}

.trust-panel h2 {
  color: var(--foam);
  max-width: 16ch;
}

.trust-panel > p {
  max-width: 46ch;
  color: rgba(231, 247, 243, 0.86);
  font-size: 1.08rem;
}

.bullets {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.bullets li {
  position: relative;
  padding-inline-start: 1.1rem;
  color: rgba(231, 247, 243, 0.92);
  font-weight: 500;
}

.bullets li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.62em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--mint);
}

.close {
  text-align: center;
  padding-bottom: 6rem;
}

.close-brand {
  font-size: clamp(3rem, 12vw, 8rem);
  margin-bottom: 0.4rem;
  background: linear-gradient(120deg, var(--forest), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.close h2 {
  margin-inline: auto;
  max-width: 16ch;
}

.close .lede {
  margin-inline: auto;
  color: rgba(7, 20, 18, 0.68);
  text-shadow: none;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.4rem 4vw 2rem;
  border-top: 1px solid rgba(7, 20, 18, 0.1);
  font-size: 0.9rem;
  color: rgba(7, 20, 18, 0.55);
}

footer span:first-child {
  font-family: var(--font-brand);
  font-weight: 800;
  color: var(--forest);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes scan {
  0%,
  100% {
    top: 16%;
    opacity: 0.15;
  }
  50% {
    top: 62%;
    opacity: 0.85;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.06);
    opacity: 0.6;
  }
}

@keyframes drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.2%, 1%, 0);
  }
}

@media (max-width: 860px) {
  nav {
    display: none;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .hero-copy {
    margin-bottom: 4vh;
  }

  .why,
  .flow,
  .close {
    padding: 4.5rem 5vw;
  }
}