:root {
  --ink: #111513;
  --muted: #5a625d;
  --paper: #f5f7f1;
  --panel: #ffffff;
  --line: rgba(17, 21, 19, 0.12);
  --green: #2f7a4b;
  --lime: #a9ff2d;
  --blue: #315fba;
  --coral: #e96f4c;
  --gold: #c99735;
  --shadow: 0 22px 70px rgba(17, 21, 19, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: #f9fbf4;
  background: rgba(17, 21, 19, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--lime);
  font-size: 13px;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  font-size: 14px;
  font-weight: 700;
}

nav a {
  color: rgba(249, 251, 244, 0.82);
}

nav a:hover {
  color: #ffffff;
}

.hero {
  position: relative;
  min-height: min(86vh, 820px);
  padding: 132px clamp(20px, 5vw, 72px) 64px;
  display: grid;
  grid-template-columns: minmax(280px, 1.04fr) minmax(280px, 0.96fr);
  align-items: center;
  gap: clamp(32px, 5vw, 74px);
  overflow: hidden;
  color: #f9fbf4;
  background: #101411;
}

#signalCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(16, 20, 17, 0.78) 0%, rgba(16, 20, 17, 0.28) 48%, rgba(16, 20, 17, 0.7) 100%),
    linear-gradient(180deg, rgba(16, 20, 17, 0) 64%, rgba(245, 247, 241, 0.96) 100%);
}

.hero-copy,
.hero-device {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--lime);
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(54px, 8vw, 112px);
  line-height: 0.93;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin-bottom: 30px;
  color: rgba(249, 251, 244, 0.86);
  font-size: clamp(19px, 2.3vw, 28px);
  line-height: 1.35;
  font-weight: 600;
}

.hero-actions,
.product-grid,
.focus-list,
.roadmap {
  display: grid;
  gap: 14px;
}

.hero-actions {
  grid-template-columns: repeat(2, minmax(130px, max-content));
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 800;
  border: 1px solid transparent;
}

.button.primary {
  color: var(--ink);
  background: var(--lime);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.phone-shell {
  width: min(100%, 520px);
  margin-inline: auto;
  padding: 14px;
  border-radius: 34px;
  background: #080a09;
  box-shadow: var(--shadow);
  transform: rotate(1deg);
}

.phone-shell img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 22px;
  background: #edf0ea;
}

.section {
  padding: clamp(70px, 10vw, 120px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 740px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p,
.product-card p,
.focus-list p,
.roadmap p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.product-section {
  background: var(--paper);
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.card-kicker {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-card h3,
.focus-list h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.12;
}

.focus-section {
  color: #f9fbf4;
  background: #1f2721;
}

.focus-section .section-heading p,
.focus-list p {
  color: rgba(249, 251, 244, 0.74);
}

.focus-section .eyebrow {
  color: var(--gold);
}

.focus-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.focus-list article {
  padding-top: 24px;
  border-top: 1px solid rgba(249, 251, 244, 0.22);
}

.focus-index {
  margin-bottom: 34px;
  color: var(--lime);
  font-size: 18px;
  font-weight: 900;
}

.roadmap-section {
  background: #ffffff;
}

.roadmap {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.roadmap div {
  padding: 28px 28px 10px 0;
}

.roadmap span {
  display: block;
  margin-bottom: 14px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.roadmap strong {
  display: block;
  margin-bottom: 10px;
  font-size: 22px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 0.6fr);
  gap: 28px;
  align-items: end;
  padding: clamp(56px, 8vw, 92px) clamp(20px, 5vw, 72px);
  color: #f9fbf4;
  background: var(--green);
}

.contact-section .eyebrow {
  color: var(--lime);
}

.contact-section h2 {
  margin-bottom: 14px;
}

.contact-section p {
  max-width: 700px;
  color: rgba(249, 251, 244, 0.78);
}

address {
  display: grid;
  gap: 12px;
  font-style: normal;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
}

address a:hover {
  text-decoration: underline;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: rgba(249, 251, 244, 0.72);
  background: #101411;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 116px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .product-grid,
  .focus-list,
  .roadmap,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .phone-shell {
    max-width: 420px;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 52px;
  }

  .hero {
    padding-top: 150px;
  }

  .section,
  .contact-section {
    padding-left: 18px;
    padding-right: 18px;
  }

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

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