:root {
  --ink: #142729;
  --muted: #5e6c69;
  --paper: #f4f1e8;
  --paper-deep: #e9e4d8;
  --card: #fbfaf5;
  --accent: #167d72;
  --accent-soft: #c8ded7;
  --line: rgba(20, 39, 41, 0.18);
  --shadow: 0 28px 70px rgba(38, 52, 48, 0.12);
  --shell: min(1120px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(22, 125, 114, 0.09), transparent 24rem),
    var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 4px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: -0.08em;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
}

nav a,
.footer-inner a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:hover,
nav a:focus-visible,
.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: var(--accent);
}

.hero {
  display: grid;
  min-height: min(720px, calc(100svh - 85px));
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  align-items: center;
  gap: clamp(56px, 9vw, 132px);
  padding-block: clamp(88px, 12vw, 150px);
}

.eyebrow,
.section-index,
.product-status,
.signal-topline,
.signal-footer {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 26px;
  font-size: clamp(3.35rem, 7.4vw, 6.7rem);
  font-weight: 550;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

.hero-intro {
  max-width: 590px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link span,
.email-link span {
  transition: transform 180ms ease;
}

.text-link:hover span,
.text-link:focus-visible span,
.email-link:hover span,
.email-link:focus-visible span {
  transform: translate(3px, 2px);
}

.signal-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 2px;
  background: var(--ink);
  box-shadow: var(--shadow);
  color: #eef5f0;
}

.signal-card::after {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 0.7px, transparent 0.7px);
  background-size: 9px 9px;
  content: "";
  opacity: 0.45;
  pointer-events: none;
}

.signal-topline,
.signal-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 22px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.signal-topline {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #9dd7ca;
}

.status-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #66c9b7;
  box-shadow: 0 0 0 5px rgba(102, 201, 183, 0.12);
  content: "";
}

.signal-number {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 270px;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(3.5rem, 7vw, 6.3rem);
  font-weight: 400;
  letter-spacing: -0.09em;
  line-height: 1;
}

.signal-number span {
  display: grid;
  place-items: center;
  border-right: 1px solid rgba(255, 255, 255, 0.11);
}

.signal-number span:last-child {
  border-right: 0;
  color: #8ed8c9;
}

.signal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(238, 245, 240, 0.62);
}

.section {
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: clamp(44px, 8vw, 120px);
  border-top: 1px solid var(--line);
  padding-block: clamp(72px, 9vw, 120px);
}

.section-heading {
  display: grid;
  align-content: start;
  grid-template-columns: 34px 1fr;
  gap: 8px;
}

.section-index {
  padding-top: 7px;
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.3vw, 2.1rem);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.7fr);
  gap: 44px;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid var(--line);
  background: rgba(251, 250, 245, 0.7);
}

.product-card h3 {
  margin-bottom: 0;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 560;
  letter-spacing: -0.055em;
  line-height: 1.07;
}

.product-card > p,
.contact-content > p,
.policy-content p {
  color: var(--muted);
}

.product-card > p {
  margin-bottom: 0;
  align-self: end;
}

.product-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.product-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.contact-content > p {
  max-width: 600px;
  margin-bottom: 32px;
}

.email-link {
  display: inline-flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 26px);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(1.35rem, 3.5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 1.2;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.policy-content {
  max-width: 720px;
}

.policy-content p {
  margin-bottom: 18px;
}

.policy-content .policy-date {
  margin-top: 34px;
  margin-bottom: 0;
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer {
  background: var(--ink);
  color: rgba(238, 245, 240, 0.72);
}

.footer-inner {
  display: flex;
  min-height: 104px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.footer-inner a {
  color: rgba(238, 245, 240, 0.72);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 36px, 680px);
  }

  .header-inner {
    min-height: 74px;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 62px;
    padding-block: 82px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .signal-number {
    min-height: 220px;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .signal-topline,
  .signal-footer {
    padding-inline: 16px;
  }

  .signal-number {
    min-height: 170px;
    font-size: 3.15rem;
  }

  .signal-footer {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .product-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .email-link {
    font-size: 1.23rem;
    letter-spacing: -0.045em;
  }

  .footer-inner {
    min-height: 120px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}