:root {
  color-scheme: light dark;
  --black: #050505;
  --near-black: #111111;
  --white: #ffffff;
  --soft-white: #f5f5f2;
  --muted: #6f6f68;
  --line: #d9d9d2;
  --line-dark: #2a2a2a;
  --red: #e63232;
  --green: #22c55e;
  --green-dark: #16833f;
  --max-width: 1160px;
  --radius: 8px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--soft-white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 12px 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 5, 5, 0.92);
  color: var(--white);
  backdrop-filter: blur(16px);
}

.brand-link,
.header-nav,
.hero-actions,
.hero-points,
.site-footer {
  display: flex;
  align-items: center;
}

.brand-link {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.header-nav {
  justify-content: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

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

.header-cta {
  justify-self: end;
  min-width: 72px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  color: var(--white);
  font-weight: 700;
  text-align: center;
}

.header-cta:hover {
  border-color: var(--green);
  color: var(--green);
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 56px;
  align-items: center;
  padding: 82px max(32px, calc((100% - var(--max-width)) / 2)) 64px;
  overflow: hidden;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: 0;
}

h1 {
  font-size: 72px;
  font-weight: 900;
}

h2 {
  max-width: 760px;
  font-size: 44px;
  font-weight: 880;
}

h3 {
  font-size: 21px;
  font-weight: 820;
}

.hero-lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 21px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button-primary {
  border: 1px solid var(--green);
  background: var(--green);
  color: var(--black);
}

.button-primary:hover {
  background: #2ee66f;
  border-color: #2ee66f;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--white);
}

.button-secondary:hover {
  border-color: var(--red);
  color: var(--red);
}

.hero-points {
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.hero-points li {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}

.hero-points li:first-child {
  border-color: rgba(34, 197, 94, 0.55);
}

.hero-points li:nth-child(2) {
  border-color: rgba(230, 50, 50, 0.5);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 0 58%, transparent 76%);
}

.hero-visual img {
  position: relative;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.signal-board {
  position: absolute;
  right: 0;
  bottom: 20px;
  display: grid;
  gap: 1px;
  width: min(280px, 82%);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
}

.signal-board div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 12px 14px;
  background: rgba(5, 5, 5, 0.92);
}

.signal-label {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.signal-board strong {
  color: var(--green);
  font-size: 14px;
  text-transform: uppercase;
}

.proof-strip {
  padding: 22px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.proof-strip p {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 18px;
  font-weight: 760;
  text-align: center;
}

.section {
  padding: 88px max(32px, calc((100% - var(--max-width)) / 2));
}

.section-heading {
  display: grid;
  gap: 16px;
  max-width: 820px;
  margin-bottom: 44px;
}

.section-heading p:not(.eyebrow),
.start-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading-invert p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.66);
}

.section-light {
  background: var(--soft-white);
  color: var(--black);
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.fit-item {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.fit-item p {
  margin: 16px 0 0;
  color: var(--muted);
}

.accent {
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 24px;
  border-radius: 999px;
}

.accent-green {
  background: var(--green);
}

.accent-red {
  background: var(--red);
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-item {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 26px 0;
  border-top: 1px solid var(--line-dark);
}

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

.feature-number {
  color: var(--red);
  font-size: 18px;
  font-weight: 900;
}

.feature-item p {
  max-width: 760px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.compact {
  padding-top: 64px;
  padding-bottom: 64px;
}

.start-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.start-panel h2 {
  margin-bottom: 16px;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--black);
  font-weight: 760;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-top: 64px;
  }

  h1 {
    font-size: 58px;
  }

  h2 {
    font-size: 36px;
  }

  .hero-lead {
    font-size: 19px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-visual img {
    width: 300px;
    height: 300px;
  }

  .fit-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .site-header {
    min-height: 64px;
    padding: 10px 16px;
    gap: 12px;
  }

  .brand-link span {
    max-width: 88px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    min-width: 64px;
    padding: 9px 12px;
  }

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

  .hero {
    padding-top: 48px;
    padding-bottom: 44px;
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 30px;
  }

  h3 {
    font-size: 19px;
  }

  .hero-lead,
  .section-heading p:not(.eyebrow),
  .start-panel p {
    font-size: 17px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 300px;
  }

  .hero-visual img {
    width: 230px;
    height: 230px;
  }

  .signal-board {
    right: 50%;
    bottom: 0;
    transform: translateX(50%);
  }

  .proof-strip {
    padding-right: 18px;
    padding-left: 18px;
  }

  .proof-strip p {
    font-size: 16px;
    text-align: left;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .fit-item {
    min-height: auto;
    padding: 22px;
  }

  .feature-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .start-panel {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 18px;
  }
}
