:root {
  color-scheme: light;
  --ink: #15202a;
  --muted: #536170;
  --line: #dce4ea;
  --paper: #f7f9fa;
  --white: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0a4f49;
  --amber: #c67814;
  --red: #8b2f26;
  --steel: #334155;
  --soft-teal: #e4f3ef;
  --shadow: 0 28px 80px rgba(21, 32, 42, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(247, 249, 250, 0.9);
  border-bottom: 1px solid rgba(220, 228, 234, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 780;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 820;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.7vw, 24px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  padding: 132px clamp(18px, 6vw, 84px) 86px;
  overflow: hidden;
  background: #101820;
  color: var(--white);
}

.compact-hero {
  min-height: 100vh;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.92;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 15, 20, 0.94) 0%, rgba(10, 15, 20, 0.76) 34%, rgba(10, 15, 20, 0.28) 72%, rgba(10, 15, 20, 0.12) 100%),
    linear-gradient(0deg, rgba(10, 15, 20, 0.52) 0%, rgba(10, 15, 20, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 790px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #94efe1;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(46px, 8vw, 96px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(31px, 4.9vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.18;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 22px);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 13px 19px;
  font-weight: 780;
  line-height: 1.1;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  background: var(--teal);
  color: var(--white);
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: var(--white);
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.intro-strip span {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 16px;
  border-right: 1px solid var(--line);
  color: var(--steel);
  font-weight: 760;
  text-align: center;
}

.intro-strip span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(72px, 10vw, 136px) clamp(18px, 6vw, 84px);
}

.section p {
  max-width: 700px;
  color: var(--muted);
  font-size: 17px;
}

.section-heading {
  margin-bottom: 38px;
}

.section-heading.compact {
  margin-bottom: 26px;
}

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

.system-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.system-card {
  min-height: 284px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(21, 32, 42, 0.05);
}

.system-card p {
  font-size: 15px;
}

.card-number {
  width: max-content;
  margin-bottom: 34px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--amber);
  color: var(--steel);
  font-size: 13px;
  font-weight: 820;
}

.offer-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  background: var(--ink);
  color: var(--white);
}

.offer-section p {
  color: rgba(255, 255, 255, 0.76);
}

.offer-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.offer-panel ul {
  display: grid;
  gap: 13px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.offer-panel li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.78);
}

.offer-panel li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.outcomes-section {
  background: var(--white);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.outcomes-grid div {
  min-height: 230px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.outcomes-grid strong {
  display: block;
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.14;
}

.outcomes-grid span {
  color: var(--muted);
}

.proof-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: center;
  background: var(--soft-teal);
}

.screen {
  overflow: hidden;
  min-height: 390px;
  border: 1px solid rgba(21, 32, 42, 0.13);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.screen-header {
  display: flex;
  gap: 7px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.screen-header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5df;
}

.screen-body {
  display: grid;
  grid-template-columns: 76px 1fr;
  min-height: 340px;
}

.screen-sidebar {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: #f3f6f7;
}

.screen-sidebar span {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #cbd6de;
}

.screen-sidebar .active {
  background: var(--teal);
}

.screen-main {
  padding: 30px;
}

.line {
  display: block;
  width: 72%;
  height: 18px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: #dfe7ed;
}

.line.wide {
  width: 86%;
  height: 28px;
  background: #9fb5c3;
}

.line.short {
  width: 44%;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.mini-grid span {
  min-height: 104px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(140deg, #ffffff 0%, #eef5f2 100%);
}

.security-section {
  background: var(--white);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.security-grid article {
  min-height: 264px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.security-grid span {
  display: inline-block;
  margin-bottom: 30px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--teal);
  color: var(--steel);
  font-size: 13px;
  font-weight: 820;
}

.security-grid strong {
  display: block;
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.16;
}

.security-grid p {
  margin-bottom: 0;
  font-size: 15px;
}

.principles-section {
  background: var(--white);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.principles div {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.principles span {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background: #efe7db;
}

.contact-section p {
  color: #63584f;
}

.contact-button {
  white-space: nowrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 6vw, 84px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .site-header {
    position: sticky;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 780px;
    padding-top: 88px;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(10, 15, 20, 0.94) 0%, rgba(10, 15, 20, 0.72) 52%, rgba(10, 15, 20, 0.28) 100%),
      linear-gradient(0deg, rgba(10, 15, 20, 0.58) 0%, rgba(10, 15, 20, 0) 54%);
  }

  .intro-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-strip span:nth-child(2n) {
    border-right: 0;
  }

  .system-grid,
  .outcomes-grid,
  .security-grid,
  .principles {
    grid-template-columns: repeat(2, 1fr);
  }

  .offer-section,
  .proof-section,
  .contact-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 760px;
    padding-right: 30px;
    padding-left: 30px;
    padding-bottom: 64px;
  }

  .hero-content {
    width: 100%;
    max-width: calc(100vw - 60px);
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(10, 15, 20, 0.94) 0%, rgba(10, 15, 20, 0.82) 72%, rgba(10, 15, 20, 0.48) 100%),
      linear-gradient(0deg, rgba(10, 15, 20, 0.72) 0%, rgba(10, 15, 20, 0.12) 65%);
  }

  h1 {
    max-width: 100%;
    font-size: clamp(38px, 10vw, 42px);
    line-height: 1.01;
    overflow-wrap: normal;
  }

  h2 {
    font-size: 34px;
  }

  .eyebrow {
    font-size: 11px;
  }

  .hero-copy {
    max-width: 100%;
    font-size: 18px;
    overflow-wrap: break-word;
  }

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

  .intro-strip,
  .system-grid,
  .outcomes-grid,
  .security-grid,
  .principles,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .intro-strip span {
    border-right: 0;
  }

  .screen-body {
    grid-template-columns: 54px 1fr;
  }

  .screen-sidebar {
    padding: 16px 12px;
  }

  .screen-main {
    padding: 20px;
  }

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