:root {
  color-scheme: dark;
  --bg: #070807;
  --surface: #121512;
  --surface-2: #191d19;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f8faf7;
  --muted: rgba(248, 250, 247, 0.66);
  --quiet: rgba(248, 250, 247, 0.44);
  --green: #d6ff3d;
  --green-dark: #0d3f27;
  --gold: #ffcf64;
  --white: #ffffff;
  --shadow: rgba(0, 0, 0, 0.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(11, 37, 25, 0.44), rgba(7, 8, 7, 0) 560px),
    var(--bg);
  color: var(--text);
}

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

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

button,
input,
select {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(7, 8, 7, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(214, 255, 61, 0.38);
  border-radius: 10px;
  background: rgba(214, 255, 61, 0.12);
  color: var(--green);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: clamp(14px, 2vw, 26px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 104px clamp(18px, 5vw, 72px) 72px;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 8, 7, 0.96) 0%, rgba(7, 8, 7, 0.78) 42%, rgba(7, 8, 7, 0.24) 100%);
  pointer-events: none;
}

.hero-media {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  padding-right: max(22px, 6vw);
  transform: translateX(4vw);
}

.hero-phone {
  width: min(31vw, 330px);
  min-width: 220px;
  border-radius: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 28px 80px var(--shadow);
  opacity: 0.84;
}

.phone-one {
  transform: translateY(32px) rotate(-5deg);
}

.phone-two {
  transform: translateY(-18px);
}

.phone-three {
  transform: translateY(52px) rotate(5deg);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(68px, 13vw, 172px);
  line-height: 0.84;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  letter-spacing: -0.03em;
}

.hero-copy {
  width: min(620px, 100%);
  color: rgba(248, 250, 247, 0.78);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.32;
}

.waitlist-form {
  display: grid;
  gap: 10px;
}

.hero-form {
  width: min(540px, 100%);
  grid-template-columns: 1fr auto;
  margin-top: 30px;
}

.waitlist-form input,
.waitlist-form select {
  min-width: 0;
  height: 54px;
  padding: 0 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  outline: none;
}

.waitlist-form input:focus,
.waitlist-form select:focus {
  border-color: rgba(214, 255, 61, 0.78);
  box-shadow: 0 0 0 4px rgba(214, 255, 61, 0.12);
}

.waitlist-form button {
  height: 54px;
  padding: 0 20px;
  color: #071007;
  background: var(--green);
  border: 0;
  border-radius: 14px;
  font-weight: 900;
  cursor: pointer;
}

.waitlist-form button:hover {
  filter: brightness(1.04);
}

.form-note {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  color: var(--quiet);
  font-size: 13px;
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-band div {
  padding: 22px clamp(18px, 3vw, 42px);
  background: rgba(18, 21, 18, 0.92);
}

.proof-band strong,
.proof-band span {
  display: block;
}

.proof-band strong {
  margin-bottom: 6px;
  color: var(--white);
  font-size: 15px;
}

.proof-band span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.section {
  padding: clamp(70px, 9vw, 128px) clamp(18px, 5vw, 72px);
}

.section-copy {
  width: min(880px, 100%);
  margin-bottom: 34px;
}

.section-copy p:not(.eyebrow),
.waitlist-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.walkthrough {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
}

.walkthrough-panel {
  display: grid;
  grid-template-columns: minmax(210px, 330px) minmax(190px, 1fr);
  gap: 18px;
  align-items: center;
}

.walkthrough-screen {
  padding: 9px;
  background: #050605;
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: 0 24px 70px var(--shadow);
}

.walkthrough-screen img {
  border-radius: 26px;
}

.walkthrough-steps {
  display: grid;
  gap: 12px;
}

.step {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 64px;
  padding: 14px;
  color: var(--muted);
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
}

.step span {
  display: inline-grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--green);
  background: rgba(214, 255, 61, 0.12);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 900;
}

.step.is-active {
  color: var(--text);
  border-color: rgba(214, 255, 61, 0.52);
  background: rgba(214, 255, 61, 0.08);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  background: #0a0c0a;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-grid .section-copy {
  grid-column: 1 / -1;
  margin-bottom: 18px;
}

.value-grid article,
.waitlist-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.value-grid article {
  padding: 24px;
}

.value-grid p {
  color: var(--muted);
  line-height: 1.52;
}

.icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 22px;
  color: var(--green);
  background: rgba(214, 255, 61, 0.1);
  border-radius: 12px;
  font-weight: 900;
}

.screens {
  overflow: hidden;
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(210px, 1fr));
  gap: 18px;
  align-items: start;
}

.screen-gallery figure {
  margin: 0;
  padding: 8px;
  background: #050605;
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
}

.screen-gallery figure:nth-child(even) {
  transform: translateY(34px);
}

.screen-gallery img {
  border-radius: 23px;
}

.screen-gallery figcaption {
  padding: 12px 8px 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  text-align: center;
}

.waitlist-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.waitlist-copy {
  max-width: 760px;
}

.waitlist-card {
  padding: 24px;
}

.waitlist-card label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.waitlist-card button {
  margin-top: 6px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--quiet);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--text);
  font-weight: 850;
}

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

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(7, 8, 7, 0.92) 0%, rgba(7, 8, 7, 0.74) 58%, rgba(7, 8, 7, 0.94) 100%);
  }

  .hero-media {
    justify-content: center;
    align-items: flex-end;
    opacity: 0.42;
    transform: none;
    padding: 0 16px;
  }

  .hero-phone {
    width: 260px;
    min-width: 0;
  }

  .phone-three {
    display: none;
  }

  .proof-band,
  .walkthrough,
  .value-grid,
  .waitlist-section {
    grid-template-columns: 1fr;
  }

  .walkthrough-panel {
    grid-template-columns: 1fr;
  }

  .walkthrough-screen {
    width: min(330px, 100%);
    margin: 0 auto;
  }

  .screen-gallery {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 18px;
  }

  .screen-gallery figure {
    flex: 0 0 min(72vw, 330px);
    scroll-snap-align: start;
  }

  .screen-gallery figure:nth-child(even) {
    transform: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
  }

  .nav-links {
    display: none;
  }

  .hero-form {
    grid-template-columns: 1fr;
  }

  .waitlist-form button {
    width: 100%;
  }

  h1 {
    font-size: clamp(60px, 22vw, 100px);
  }

  .site-footer {
    flex-direction: column;
  }
}
