:root {
  --ink: #090c0d;
  --ink-soft: #283033;
  --paper: #f5f2ec;
  --white: #ffffff;
  --mist: #e7ece8;
  --line: #d7dcd8;
  --green: #104d45;
  --green-dark: #0c332f;
  --saffron: #dfaa43;
  --coral: #cf5549;
  --steel: #52636a;
  --shadow: 0 18px 55px rgba(9, 12, 13, 0.18);
}

* {
  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;
}

body::selection {
  background: rgba(223, 170, 67, 0.35);
}

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;
  height: 74px;
  display: grid;
  grid-template-columns: 160px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 38px;
  color: var(--white);
  transition:
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.site-header[data-elevated="true"] {
  background: rgba(245, 242, 236, 0.94);
  color: var(--ink);
  border-bottom-color: rgba(9, 12, 13, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 116px;
  height: 34px;
  overflow: hidden;
}

.brand img {
  width: 116px;
  height: auto;
  filter: invert(1) brightness(1.9);
  transition: filter 180ms ease;
}

.site-header[data-elevated="true"] .brand img {
  filter: none;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.site-header[data-elevated="true"] .nav-links {
  color: var(--ink-soft);
}

.nav-links a,
.nav-cta,
.language-option {
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  min-height: 42px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.language-option {
  min-width: 42px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.76);
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.language-option.active {
  background: var(--white);
  color: var(--ink);
}

.nav-cta:hover {
  background: var(--white);
  color: var(--ink);
}

.site-header[data-elevated="true"] .language-switch {
  border-color: rgba(9, 12, 13, 0.16);
  background: rgba(9, 12, 13, 0.05);
}

.site-header[data-elevated="true"] .language-option {
  color: var(--ink-soft);
}

.site-header[data-elevated="true"] .language-option.active {
  background: var(--ink);
  color: var(--white);
}

.site-header[data-elevated="true"] .nav-cta {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.hero {
  position: relative;
  min-height: 86svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("assets/blinkin-monitor-output.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  opacity: 0.64;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 12, 13, 0.70);
}

.hero-inner,
.section-inner {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero-inner {
  padding-top: 84px;
  padding-bottom: 34px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--saffron);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 830px;
  margin: 0;
  font-family:
    Georgia, "Times New Roman", serif;
  font-size: 68px;
  line-height: 0.98;
  font-weight: 700;
}

.hero-copy {
  max-width: 690px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

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

.button-secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button-secondary.dark {
  color: var(--ink);
  border-color: rgba(9, 12, 13, 0.22);
}

.button-secondary.dark:hover {
  background: rgba(9, 12, 13, 0.06);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 178px));
  gap: 12px;
  max-width: 620px;
  margin: 46px 0 0;
}

.hero-metrics div {
  padding: 16px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.34);
}

.hero-metrics dt {
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.signal-strip {
  background: var(--green);
  color: var(--white);
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1.18fr 1fr;
  gap: 22px;
  padding: 24px 0;
}

.signal-grid p {
  margin: 0;
  font-size: 17px;
  font-weight: 750;
}

.signal-grid p:nth-child(2) {
  color: var(--saffron);
}

.section {
  padding: 96px 0;
}

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

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.section-copy h2,
.section-heading h2,
.sprint-header h2,
.final-cta h2 {
  margin: 0;
  font-family:
    Georgia, "Times New Roman", serif;
  font-size: 48px;
  line-height: 1.04;
}

.section-copy p,
.section-heading p,
.sprint-header p,
.final-cta p {
  color: var(--ink-soft);
  font-size: 18px;
}

.section-copy p:last-child {
  margin-bottom: 0;
}

.comparison {
  display: grid;
  gap: 14px;
}

.comparison article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(9, 12, 13, 0.06);
}

.comparison article:nth-child(2) {
  border-color: rgba(16, 77, 69, 0.36);
  box-shadow: inset 5px 0 0 var(--green), 0 12px 28px rgba(9, 12, 13, 0.08);
}

.comparison span,
.card-label,
.sprint-grid span {
  color: var(--steel);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.comparison h3,
.offer-card h3,
.system-steps h3,
.sprint-grid h3,
.audience-list h3 {
  margin: 8px 0 8px;
  font-size: 22px;
  line-height: 1.16;
}

.comparison p,
.offer-card p,
.system-steps p,
.sprint-grid p,
.audience-list p {
  margin: 0;
  color: var(--ink-soft);
}

.proof-report {
  background: var(--ink);
  color: var(--white);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 42px;
}

.section-heading.compact {
  max-width: 690px;
}

.section-heading.compact p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.proof-report .section-heading p,
.proof-report .section-heading h2 {
  color: var(--white);
}

.proof-report .section-heading p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.report-shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 390px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
}

.report-tabs {
  display: grid;
  align-content: start;
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.report-tab,
.proof-tab {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.report-tab {
  padding: 15px 14px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 16px;
  font-weight: 800;
}

.report-tab.active,
.report-tab:hover {
  background: rgba(223, 170, 67, 0.16);
  color: var(--white);
}

.report-preview {
  padding: 38px;
  background: var(--white);
  color: var(--ink);
}

.report-kicker {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(16, 77, 69, 0.12);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.report-preview h3 {
  margin: 24px 0 12px;
  font-size: 36px;
}

.report-preview p {
  max-width: 690px;
  color: var(--ink-soft);
  font-size: 20px;
}

.report-preview ul {
  display: grid;
  gap: 10px;
  max-width: 660px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.report-preview li {
  position: relative;
  padding-left: 30px;
  font-size: 17px;
  font-weight: 700;
}

.report-preview li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 11px;
  height: 11px;
  background: var(--coral);
  border-radius: 50%;
}

.operating-system {
  background: #eef1ed;
}

.system-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.system-steps article {
  min-height: 210px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.step-number {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--coral);
  font-weight: 900;
}

.pipeline-panel {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 28px;
  margin-top: 18px;
  padding: 26px;
  background: var(--ink);
  color: var(--white);
  border-radius: 8px;
}

.pipeline-panel .eyebrow {
  margin-bottom: 12px;
}

.pipeline-panel h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  line-height: 1.08;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.pipeline-grid article {
  padding: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.pipeline-grid h4 {
  margin: 0 0 10px;
  font-size: 17px;
}

.pipeline-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

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

.proof-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 40px;
  align-items: center;
}

.proof-controls {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  max-width: 400px;
}

.proof-tab {
  padding: 14px 16px;
  border: 1px solid rgba(9, 12, 13, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.54);
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 800;
}

.proof-tab.active,
.proof-tab:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.product-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(9, 12, 13, 0.14);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: left center;
}

.product-frame figcaption {
  padding: 16px 18px;
  color: var(--ink-soft);
  font-size: 14px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.offers {
  background: var(--ink);
  color: var(--white);
}

.offers .section-heading h2,
.offers .section-heading p {
  color: var(--white);
}

.offers .section-heading p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

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

.offer-card {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.offer-card:nth-child(2) {
  background: rgba(16, 77, 69, 0.42);
}

.offer-card p {
  color: rgba(255, 255, 255, 0.72);
}

.offer-card h3 {
  color: var(--white);
}

.offer-card ul {
  display: grid;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.offer-card li {
  position: relative;
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

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

.economics {
  background: #eef1ed;
}

.economics-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: start;
}

.value-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0;
}

.value-list div {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.value-list dt {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 900;
}

.value-list dd {
  margin: 0;
  color: var(--ink-soft);
}

.trust-sprint {
  background: var(--green);
  color: var(--white);
}

.sprint-header {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 34px;
  align-items: end;
  margin-bottom: 38px;
}

.sprint-header h2,
.sprint-header p {
  color: var(--white);
}

.sprint-header p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.sprint-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.sprint-grid article {
  min-height: 232px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.sprint-grid span {
  color: var(--saffron);
}

.sprint-grid p {
  color: rgba(255, 255, 255, 0.72);
}

.audience {
  background: var(--paper);
}

.audience-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 46px;
}

.audience-list {
  display: grid;
  gap: 12px;
}

.audience-list article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.faq {
  background: #eef1ed;
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 880px;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 20px;
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--ink-soft);
  font-size: 17px;
}

.final-cta {
  min-height: 64svh;
  display: flex;
  align-items: center;
  background: var(--white);
}

.final-cta-inner {
  max-width: 820px;
  text-align: center;
}

.final-cta .hero-actions {
  justify-content: center;
}

.site-footer {
  padding: 24px 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.74);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 800;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.86);
}

.footer-links a:hover {
  color: var(--saffron);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 130px 1fr;
    gap: 16px;
    padding: 0 24px;
  }

  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 52px;
  }

  .split,
  .proof-layout,
  .economics-grid,
  .audience-grid,
  .sprint-header,
  .pipeline-panel {
    grid-template-columns: 1fr;
  }

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

  .system-steps,
  .offer-grid,
  .sprint-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .report-shell {
    grid-template-columns: 1fr;
  }

  .report-tabs {
    grid-template-columns: repeat(2, 1fr);
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

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

@media (max-width: 680px) {
  .site-header {
    height: 66px;
    padding: 0 18px;
  }

  .brand,
  .brand img {
    width: 98px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  .header-actions {
    gap: 8px;
  }

  .language-switch {
    min-height: 38px;
  }

  .language-option {
    min-width: 34px;
    font-size: 12px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-bg {
    background-position: 58% center;
  }

  .hero-overlay {
    background: rgba(9, 12, 13, 0.78);
  }

  .hero-inner,
  .section-inner {
    width: min(100% - 32px, 1180px);
  }

  .hero-inner {
    padding-top: 82px;
  }

  .hero h1 {
    font-size: 39px;
    line-height: 1.02;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-metrics,
  .system-steps,
  .offer-grid,
  .sprint-grid,
  .value-list,
  .pipeline-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    gap: 0;
    margin-top: 32px;
  }

  .hero-metrics div {
    padding: 12px 0;
  }

  .section {
    padding: 72px 0;
  }

  .section-copy h2,
  .section-heading h2,
  .sprint-header h2,
  .final-cta h2 {
    font-size: 35px;
    line-height: 1.08;
  }

  .section-copy p,
  .section-heading p,
  .sprint-header p,
  .final-cta p {
    font-size: 16px;
  }

  .pipeline-panel {
    padding: 22px;
  }

  .pipeline-panel h3 {
    font-size: 28px;
  }

  .report-tabs {
    grid-template-columns: 1fr;
  }

  .report-preview {
    padding: 24px;
  }

  .report-preview h3 {
    font-size: 29px;
  }

  .report-preview p {
    font-size: 17px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-header .nav-cta {
    display: none;
  }
}
