:root {
  --bg: #ffffff;
  --ink: #072235;
  --muted: #5d6c7a;
  --line: #dbe5ec;
  --line-strong: #b8c8d4;
  --blue: #1265ff;
  --blue-dark: #0b46b7;
  --green: #15b981;
  --green-soft: #e6f8f1;
  --surface: #f5f9fc;
  --navy: #0b2538;
  --shadow: 0 24px 70px rgba(7, 34, 53, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(219, 229, 236, 0.78);
  display: flex;
  gap: 28px;
  justify-content: space-between;
  left: 0;
  min-height: 72px;
  padding: 0 48px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 17px;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.brand-mark svg {
  filter: drop-shadow(0 8px 18px rgba(7, 34, 53, 0.13));
  height: 38px;
  width: 38px;
}

.brand-mark rect {
  fill: var(--navy);
}

.brand-mark .signal-line,
.brand-mark .signal-arrow {
  fill: none;
  stroke: #15d69a;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.brand-mark circle {
  fill: #ffffff;
  stroke: #15d69a;
  stroke-width: 1.3;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: center;
}

.main-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.header-cta,
.secondary-button,
.primary-button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta,
.secondary-button {
  border: 1px solid var(--line);
  color: var(--ink);
}

.header-cta:hover,
.secondary-button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.primary-button {
  background: var(--blue);
  color: white;
  box-shadow: 0 12px 26px rgba(18, 101, 255, 0.25);
}

.primary-button:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.primary-button:disabled,
.secondary-button:disabled {
  cursor: wait;
  opacity: 0.74;
  transform: none;
}

.primary-button svg {
  height: 18px;
  width: 18px;
}

.primary-button path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.section-shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: 96px 32px;
}

.hero {
  align-items: center;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 1fr) minmax(470px, 0.88fr);
  min-height: calc(100vh - 72px);
  padding-bottom: 72px;
  padding-top: 72px;
}

.hero-copy h1 {
  font-size: clamp(44px, 5.2vw, 76px);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.96;
  margin: 0;
  max-width: 780px;
}

.hero-copy p {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
  margin: 28px 0 0;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-proof {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 42px 0 0;
  max-width: 620px;
}

.hero-proof div {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.hero-proof dt {
  font-size: 23px;
  font-weight: 850;
}

.hero-proof dd {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  margin: 6px 0 0;
}

.hero-product {
  background:
    linear-gradient(145deg, rgba(18, 101, 255, 0.12), rgba(21, 185, 129, 0.08)),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-product::before {
  background-image:
    linear-gradient(rgba(18, 101, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 101, 255, 0.14) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  position: absolute;
}

.product-topbar,
.signal-summary,
.signal-table,
.approach-card {
  position: relative;
  z-index: 1;
}

.product-topbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.76);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 8px;
  min-height: 56px;
  padding: 0 18px;
}

.product-topbar strong {
  font-size: 13px;
  margin-left: 8px;
}

.product-topbar span:last-child {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  margin-left: auto;
}

.window-dot {
  background: #c9d7e2;
  border-radius: 999px;
  height: 10px;
  width: 10px;
}

.signal-summary {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 22px;
}

.signal-summary div,
.approach-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(219, 229, 236, 0.9);
  border-radius: var(--radius);
  padding: 16px;
}

.signal-summary span,
.approach-card span,
.sample-label,
.price-card span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}

.signal-summary strong {
  display: block;
  font-size: 22px;
  line-height: 1.1;
}

.signal-table {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 0 22px;
  overflow: hidden;
}

.table-row {
  align-items: center;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1.4fr 86px;
  min-height: 58px;
  padding: 0 16px;
}

.table-row + .table-row {
  border-top: 1px solid var(--line);
}

.table-row span {
  font-size: 13px;
  font-weight: 700;
}

.table-head {
  background: var(--navy);
  color: white;
  min-height: 44px;
}

.priority {
  border-radius: 999px;
  display: inline-flex;
  justify-content: center;
  padding: 7px 10px;
}

.priority.high {
  background: var(--green-soft);
  color: #06734e;
}

.priority.mid {
  background: #edf3ff;
  color: var(--blue-dark);
}

.approach-card {
  margin: 22px;
}

.approach-card p {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}

.trust-strip {
  background: var(--navy);
  color: white;
  padding: 24px 32px;
}

.trust-strip p {
  font-size: 16px;
  font-weight: 750;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 920px;
  text-align: center;
}

.split-section {
  align-items: start;
  display: grid;
  gap: 76px;
  grid-template-columns: 0.75fr 1fr;
}

h2 {
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1;
  margin: 0;
}

.split-section > div > p,
.section-heading p,
.pricing-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  margin: 22px 0 0;
}

.steps {
  display: grid;
  gap: 16px;
}

.steps article,
.sample-grid article,
.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.steps span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

h3 {
  font-size: 20px;
  letter-spacing: 0;
  margin: 12px 0 10px;
}

.steps p,
.sample-grid p,
.faq-list p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

.sample-section {
  background: var(--surface);
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.5fr);
}

.sample-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
}

.sample-grid article {
  background: white;
}

.sample-label {
  color: var(--green);
}

.proof-section {
  padding-bottom: 30px;
}

.proof-board {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 46px rgba(7, 34, 53, 0.08);
  margin-top: 42px;
  overflow: hidden;
}

.proof-board-header {
  align-items: center;
  background: var(--navy);
  color: white;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 18px;
}

.proof-board-header span {
  color: #c7d5df;
  font-size: 13px;
  font-weight: 800;
}

.proof-row {
  align-items: center;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1.5fr 86px 1.2fr;
  padding: 16px 18px;
}

.proof-row-head {
  background: #f8fbfd;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.proof-row strong {
  font-size: 15px;
}

.proof-row span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.proof-row b {
  background: var(--green-soft);
  border-radius: 999px;
  color: #08714f;
  display: inline-flex;
  font-size: 13px;
  justify-content: center;
  padding: 7px 10px;
}

.proof-message {
  background: #f8fbfd;
  border-top: 1px solid var(--line);
  padding: 18px;
}

.proof-message span {
  color: var(--blue);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.proof-message p {
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.pricing-section {
  align-items: center;
  display: grid;
  gap: 80px;
  grid-template-columns: minmax(0, 1fr) 390px;
}

.pricing-plans {
  padding-bottom: 76px;
}

.pricing-heading {
  align-items: start;
}

.pricing-copy ul {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.pricing-copy li {
  align-items: center;
  color: var(--ink);
  display: flex;
  font-size: 16px;
  font-weight: 750;
  gap: 12px;
}

.pricing-copy li::before {
  background: var(--green);
  border-radius: 999px;
  content: "";
  height: 9px;
  width: 9px;
}

.price-card {
  background: var(--navy);
  box-shadow: var(--shadow);
  color: white;
  padding: 32px;
}

.price-card span {
  color: #a9d8c8;
}

.price-card strong {
  display: block;
  font-size: 54px;
  letter-spacing: 0;
  line-height: 1;
  margin: 4px 0 18px;
}

.price-card p {
  color: #c7d5df;
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 24px;
}

.full {
  width: 100%;
}

.plan-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  margin-top: 44px;
}

.plan-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 24px;
}

.plan-featured {
  background:
    linear-gradient(180deg, rgba(21, 185, 129, 0.08), rgba(18, 101, 255, 0.05)),
    white;
  border-color: rgba(21, 185, 129, 0.42);
  box-shadow: 0 18px 46px rgba(7, 34, 53, 0.1);
}

.plan-kicker {
  color: var(--blue);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.plan-card h3 {
  font-size: 25px;
  margin: 0 0 14px;
}

.plan-card strong {
  display: block;
  font-size: 30px;
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 16px;
}

.plan-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 0 20px;
}

.plan-card ul {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.plan-card li {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.42;
  padding-left: 18px;
  position: relative;
}

.plan-card li::before {
  background: var(--green);
  border-radius: 999px;
  content: "";
  height: 7px;
  left: 0;
  position: absolute;
  top: 7px;
  width: 7px;
}

.plan-card .primary-button,
.plan-card .secondary-button {
  margin-top: auto;
}

.faq-section {
  padding-top: 40px;
}

.faq-list {
  border-top: 1px solid var(--line);
  margin-top: 34px;
}

details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  color: var(--blue);
  content: "+";
  float: right;
  font-weight: 900;
}

details[open] summary::after {
  content: "-";
}

details p {
  max-width: 760px;
  padding-top: 14px;
}

.site-footer {
  align-items: center;
  background: var(--navy);
  color: white;
  display: flex;
  justify-content: space-between;
  padding: 34px 48px;
}

.site-footer p {
  color: #c7d5df;
  margin: 8px 0 0;
}

.site-footer a {
  color: #a9d8c8;
  font-weight: 800;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 24px;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .split-section,
  .pricing-section,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 42px;
    min-height: auto;
  }

  .hero-product {
    max-width: 620px;
  }

  .pricing-section {
    gap: 40px;
  }

  .price-card {
    max-width: 440px;
  }

  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 16px;
    min-height: 64px;
    padding: 0 16px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    height: 31px;
    width: 31px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 13px;
  }

  .section-shell {
    padding: 64px 18px;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

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

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

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

  .hero-proof,
  .signal-summary,
  .proof-row,
  .sample-grid {
    grid-template-columns: 1fr;
  }

  .proof-board-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    justify-content: center;
    padding: 14px;
  }

  .proof-row-head {
    display: none;
  }

  .signal-table {
    margin: 0 14px;
  }

  .signal-summary {
    padding: 14px;
  }

  .table-row {
    gap: 8px;
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 14px;
  }

  .table-head {
    display: none;
  }

  .priority {
    justify-self: start;
  }

  .approach-card {
    margin: 14px;
  }

  .trust-strip {
    padding: 22px 18px;
  }

  h2 {
    font-size: 34px;
  }

  .price-card strong {
    font-size: 46px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
    padding: 30px 18px;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }

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