:root {
  --ink: #050505;
  --muted: #5f5f5f;
  --line: #e6e6e6;
  --soft: #ffffff;
  --paper: #ffffff;
  --black: #050505;
  --charcoal: #151515;
  --gray: #f5f5f5;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: "Helvetica Neue", Arial, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(230, 230, 230, 0.95);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: white;
  background: var(--black);
  border: 1px solid var(--black);
  border-radius: 12px;
  font-weight: 600;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

nav a,
.header-cta {
  text-decoration: none;
}

.header-cta {
  padding: 10px 16px;
  color: white;
  background: var(--black);
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: center;
  gap: clamp(36px, 6vw, 80px);
  min-height: 760px;
  background:
    linear-gradient(90deg, rgba(255,255,255,1), rgba(255,255,255,0.86)),
    var(--soft);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--black);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 500;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 500;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 600;
}

.hero-text {
  max-width: 560px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.install-form {
  max-width: 560px;
  margin-top: 26px;
}

.install-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.install-form div {
  display: flex;
  gap: 10px;
}

.install-form input {
  min-width: 0;
  flex: 1;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: inherit;
}

.install-form button {
  height: 52px;
  padding: 0 18px;
  color: white;
  background: var(--black);
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
}

.hero-actions {
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.button.primary {
  color: white;
  background: var(--black);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.button.secondary {
  color: var(--black);
  background: white;
  border: 1px solid var(--line);
}

.trust-row {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.trust-row span {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.browser-card,
.screen,
.price-card,
.review-grid article,
.feature-grid article,
.steps article,
.faq-list details {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.browser-card {
  overflow: hidden;
  border-radius: 24px;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--black);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  background: #d8d8d8;
  border-radius: 999px;
}

.browser-bar p {
  margin: 0 0 0 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.cart-preview {
  padding: clamp(24px, 4vw, 46px);
}

.cart-line,
.mini-total {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 18px;
}

.agreement-preview {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px;
  background: var(--gray);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.agreement-preview p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.checkmark,
.mini-agreement span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: white;
  background: var(--black);
  border-radius: 6px;
  font-weight: 900;
}

.cart-preview button {
  width: 100%;
  height: 56px;
  margin-top: 18px;
  color: white;
  background: var(--black);
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 900;
}

.cart-preview small {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  padding: 1px;
  color: white;
  background: var(--line);
}

.signal-band span {
  padding: 22px 12px;
  background: var(--black);
  text-align: center;
  font-weight: 600;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 6vw, 72px);
  background: white;
}

.feature-grid,
.steps,
.screen-grid,
.pricing-grid,
.review-grid {
  display: grid;
  gap: 18px;
}

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

.feature-grid article,
.steps article,
.review-grid article {
  padding: 26px;
  border-radius: 16px;
}

.feature-grid p,
.steps p,
.review-grid p,
.faq-list p {
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

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

.workflow .eyebrow {
  color: white;
}

.workflow .steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps article {
  color: var(--ink);
}

.steps span {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--black);
  font-size: 13px;
  font-weight: 600;
}

.screens {
  background: white;
}

.screen-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.screen {
  overflow: hidden;
  min-height: 360px;
  border-radius: 18px;
}

.screen-top {
  padding: 14px 18px;
  color: white;
  background: var(--black);
  font-weight: 600;
}

.mini-cart,
.table-preview,
.pdf-preview {
  margin: 24px;
  padding: 22px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.mini-agreement {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.mini-agreement p {
  margin: 0;
  color: var(--muted);
}

.mini-button {
  height: 48px;
  margin-top: 18px;
  background: var(--black);
  border-radius: 999px;
}

.table-preview {
  display: grid;
  gap: 10px;
}

.table-preview div {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.pill {
  display: inline-flex;
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.pill.good {
  color: var(--black);
  background: #e9e9e9;
}

.pill.warn {
  color: var(--black);
  background: #f0f0f0;
}

.pdf-preview h3 {
  margin-top: 58px;
  padding-top: 24px;
  border-top: 4px solid var(--black);
}

.pdf-preview span {
  display: inline-flex;
  margin-top: 28px;
  color: var(--black);
  font-weight: 600;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.price-card {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-radius: 20px;
}

.price-card.featured {
  color: white;
  background: var(--black);
  border-color: rgba(255, 255, 255, 0.16);
}

.plan-label {
  color: var(--black);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.featured .plan-label,
.featured li,
.featured .price span {
  color: rgba(255, 255, 255, 0.72);
}

.price {
  margin: 8px 0 22px;
  font-size: 42px;
  font-weight: 500;
}

.price span {
  color: var(--muted);
  font-size: 16px;
}

ul {
  display: grid;
  gap: 12px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

li {
  color: var(--muted);
}

li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--black);
  font-weight: 600;
}

.featured li::before {
  color: white;
}

.price-card .button {
  margin-top: auto;
}

.payment-note {
  max-width: 920px;
  margin: 26px auto 0;
  padding: 18px 22px;
  color: var(--muted);
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
}

.testimonials {
  background: white;
}

.review-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-list {
  display: grid;
  max-width: 980px;
  margin: 0 auto;
  gap: 14px;
}

.faq-list details {
  padding: 22px 24px;
  border-radius: 14px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p {
  margin: 14px 0 0;
}

.final-cta {
  margin: 0 clamp(20px, 5vw, 72px) clamp(36px, 5vw, 72px);
  padding: clamp(54px, 8vw, 90px);
  color: white;
  background:
    var(--black);
  border-radius: 28px;
  text-align: center;
}

.final-cta .eyebrow {
  color: white;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: white;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  nav {
    display: none;
  }

  .hero,
  .split {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .signal-band,
  .workflow .steps,
  .screen-grid,
  .pricing-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
  }

  .header-cta {
    display: none;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 27px;
  }

  .hero {
    padding-top: 52px;
  }

  .cart-line,
  .mini-total {
    flex-direction: column;
    gap: 4px;
  }

  .install-form div {
    flex-direction: column;
  }

  .install-form input,
  .install-form button {
    width: 100%;
  }

  .final-cta {
    border-radius: 18px;
  }
}