:root {
  color: var(--us-graphite);
  background: var(--us-white);
  font-family: var(--us-font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--us-graphite);
  background: var(--us-white);
  font-family: var(--us-font-sans);
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--us-graphite);
  outline-offset: 2px;
}

.dark-surface a:focus-visible,
.dark-surface button:focus-visible,
.dark-surface summary:focus-visible {
  outline-color: var(--us-yellow);
}

.skip-link {
  position: fixed;
  z-index: 1100;
  top: var(--us-space-2);
  left: var(--us-space-2);
  min-height: 44px;
  padding: 9px var(--us-space-4);
  color: var(--us-graphite);
  background: var(--us-yellow);
  border: 2px solid var(--us-graphite);
  border-radius: var(--us-radius-sm);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  background: var(--us-white);
  border-bottom: 1px solid var(--us-border);
}

.header-bar {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: var(--us-space-6);
}

.brand-link {
  flex: 0 0 auto;
  border-radius: var(--us-radius-sm);
}

.brand-link img {
  width: 210px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  margin-left: auto;
}

.desktop-nav a,
.footer-links a,
.menu-panel a,
.language-list a {
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.desktop-nav a {
  text-decoration: none;
}

.desktop-nav a:hover,
.footer-links a:hover,
.menu-panel a:hover,
.language-list a:hover {
  text-decoration: underline;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--us-space-2);
}

.menu-details {
  position: relative;
  margin: 0;
}

.menu-details > summary {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--us-space-2);
  padding: 8px 13px;
  color: var(--us-graphite);
  background: var(--us-white);
  border: 1px solid var(--us-graphite);
  border-radius: var(--us-radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 700;
  list-style: none;
  user-select: none;
}

.menu-details > summary::-webkit-details-marker {
  display: none;
}

.menu-details > summary::after {
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--us-graphite);
  border-bottom: 2px solid var(--us-graphite);
  content: "";
  transform: rotate(45deg) translateY(-2px);
}

.menu-details[open] > summary::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.menu-panel {
  position: absolute;
  z-index: 1020;
  top: calc(100% + 8px);
  right: 0;
  width: max-content;
  min-width: 190px;
  padding: var(--us-space-2);
  background: var(--us-white);
  border: 1px solid var(--us-border);
  border-radius: var(--us-radius-md);
}

.menu-panel ul,
.footer-links,
.language-list,
.check-list,
.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-panel a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--us-radius-sm);
  text-decoration: none;
}

.menu-panel a:hover,
.menu-panel a[aria-current="page"] {
  background: var(--us-yellow);
  text-decoration: none;
}

.mobile-menu {
  display: none;
}

.section {
  padding: clamp(64px, 8vw, 112px) 0;
}

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

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

.section-yellow {
  color: var(--us-graphite);
  background: var(--us-yellow);
}

.hero {
  overflow: hidden;
  padding: clamp(60px, 8vw, 104px) 0;
  background: var(--us-white);
}

.hero-row {
  align-items: center;
}

.eyebrow {
  margin: 0 0 var(--us-space-3);
  color: var(--us-slate);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow-yellow {
  color: var(--us-yellow);
}

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

h1,
h2,
h3 {
  color: var(--us-graphite);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  margin-bottom: var(--us-space-6);
  font-size: clamp(2.7rem, 6vw, 5.25rem);
}

h2 {
  max-width: 780px;
  margin-bottom: var(--us-space-4);
  font-size: clamp(2rem, 4vw, 3.35rem);
}

h3 {
  margin-bottom: var(--us-space-3);
  font-size: 1.3rem;
}

.section-dark h2,
.section-dark h3 {
  color: var(--us-white);
}

.hero-lede,
.section-intro,
.privacy-copy,
.install-copy {
  max-width: 720px;
  color: var(--us-charcoal);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.section-dark .privacy-copy {
  color: var(--us-white);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--us-space-3);
  margin: var(--us-space-6) 0 var(--us-space-4);
}

.us-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  color: var(--us-graphite);
  background: var(--us-white);
  border: 2px solid var(--us-graphite);
  border-radius: var(--us-radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.us-button-primary {
  background: var(--us-yellow);
}

.us-button-primary:hover {
  color: var(--us-graphite);
  background: var(--us-yellow-hover);
}

.us-button-primary:active {
  background: var(--us-yellow-active);
}

.us-button-secondary:hover {
  color: var(--us-white);
  background: var(--us-graphite);
}

.section-dark .us-button-secondary {
  color: var(--us-yellow);
  background: transparent;
  border-color: var(--us-yellow);
}

.section-dark .us-button-secondary:hover {
  color: var(--us-graphite);
  background: var(--us-yellow);
}

.hero-note,
.install-status,
.microcopy {
  margin-bottom: 0;
  color: var(--us-slate);
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  margin: 0;
  padding: var(--us-space-3);
  background: var(--us-graphite);
  border: 1px solid var(--us-graphite);
  border-radius: var(--us-radius-lg);
}

.hero-visual img {
  width: 100%;
  border-radius: var(--us-radius-md);
}

.hero-visual figcaption {
  padding: var(--us-space-3) var(--us-space-2) 0;
  color: var(--us-white);
  font-size: 0.82rem;
  font-weight: 600;
}

.trust-strip {
  padding: 0 0 clamp(52px, 7vw, 84px);
  background: var(--us-white);
}

.trust-item {
  height: 100%;
  padding: var(--us-space-4);
  background: var(--us-surface);
  border: 1px solid var(--us-border);
  border-radius: var(--us-radius-md);
}

.trust-item strong,
.trust-item span {
  display: block;
}

.trust-item strong {
  margin-bottom: var(--us-space-1);
  font-size: 1.05rem;
}

.trust-item span {
  color: var(--us-slate);
  font-size: 0.88rem;
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.section-heading > *:last-child {
  margin-bottom: 0;
}

.feature-card,
.step-card,
.plan-card {
  height: 100%;
  background: var(--us-white);
  border: 1px solid var(--us-border);
  border-radius: var(--us-radius-lg);
}

.feature-card,
.step-card {
  padding: clamp(22px, 3vw, 30px);
}

.feature-mark {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: var(--us-space-6);
  place-items: center;
  background: var(--us-yellow);
  border: 1px solid var(--us-graphite);
  border-radius: var(--us-radius-md);
}

.feature-mark img {
  width: 34px;
  height: 34px;
}

.feature-card p,
.step-card p,
.plan-card p,
.plan-card li,
.faq-item p {
  color: var(--us-charcoal);
}

.feature-card p,
.step-card p {
  margin-bottom: 0;
}

.step-number {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--us-space-6);
  color: var(--us-graphite);
  background: var(--us-yellow);
  border: 1px solid var(--us-graphite);
  border-radius: var(--us-radius-pill);
  font-weight: 800;
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 4vw, 42px);
}

.plan-card-pro {
  border: 2px solid var(--us-graphite);
}

.plan-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--us-space-3);
  margin-bottom: var(--us-space-6);
}

.plan-label {
  margin: 0;
  color: var(--us-slate);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-badge {
  padding: 5px 10px;
  color: var(--us-graphite);
  background: var(--us-yellow);
  border-radius: var(--us-radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
}

.plan-price {
  margin: 0 0 var(--us-space-4);
  color: var(--us-graphite);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.plan-price small {
  color: var(--us-slate);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
}

.check-list {
  display: grid;
  gap: var(--us-space-3);
  margin: var(--us-space-4) 0 var(--us-space-6);
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  top: 4px;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  color: var(--us-graphite);
  background: var(--us-yellow);
  border: 1px solid var(--us-graphite);
  border-radius: var(--us-radius-pill);
  content: "✓";
  font-size: 0.73rem;
  font-weight: 900;
  line-height: 1;
  place-items: center;
}

.plan-card .us-button {
  align-self: flex-start;
  margin-top: auto;
}

.privacy-panel {
  align-items: center;
}

.privacy-points {
  display: grid;
  gap: var(--us-space-3);
  margin: 0;
}

.privacy-point {
  padding: var(--us-space-4);
  color: var(--us-white);
  background: var(--us-charcoal);
  border: 1px solid var(--us-slate);
  border-radius: var(--us-radius-md);
}

.privacy-point strong {
  display: block;
  margin-bottom: var(--us-space-1);
  color: var(--us-yellow);
}

.faq-list {
  display: grid;
  gap: var(--us-space-3);
}

.faq-item {
  background: var(--us-white);
  border: 1px solid var(--us-border);
  border-radius: var(--us-radius-md);
}

.faq-item summary {
  position: relative;
  min-height: 56px;
  padding: 16px 52px 16px 18px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--us-graphite);
  content: "+";
  font-size: 1.5rem;
  line-height: 1;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 18px 18px;
}

.install-panel {
  align-items: center;
  padding: clamp(30px, 5vw, 52px) 0;
}

.section-yellow h2,
.section-yellow p,
.section-yellow .eyebrow {
  color: var(--us-graphite);
}

.install-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--us-space-3);
}

.install-actions .us-button {
  color: var(--us-white);
  background: var(--us-graphite);
}

.install-actions .us-button:hover {
  color: var(--us-graphite);
  background: var(--us-white);
}

.install-status {
  max-width: 440px;
  color: var(--us-graphite);
}

.site-footer {
  color: var(--us-white);
  background: var(--us-graphite);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2fr);
  gap: var(--us-space-8);
  padding: 44px 0 32px;
}

.footer-brand img {
  width: 190px;
  margin-bottom: var(--us-space-3);
}

.footer-brand p,
.footer-meta {
  margin-bottom: 0;
  color: var(--us-white);
  font-size: 0.88rem;
}

.footer-navs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--us-space-6);
}

.footer-title {
  margin-bottom: var(--us-space-3);
  color: var(--us-yellow);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links,
.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--us-space-3) var(--us-space-4);
}

.footer-links a,
.language-list a {
  color: var(--us-white);
}

.language-list a[aria-current="page"] {
  color: var(--us-yellow);
}

.footer-bottom {
  padding: var(--us-space-4) 0 var(--us-space-6);
  border-top: 1px solid var(--us-slate);
}

@media (max-width: 991.98px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .header-bar {
    gap: var(--us-space-3);
  }

  .brand-link img {
    width: 188px;
  }

  .hero-visual {
    margin-top: var(--us-space-8);
  }

  .install-actions {
    margin-top: var(--us-space-6);
  }
}

@media (max-width: 575.98px) {
  html {
    scroll-padding-top: 74px;
  }

  .header-bar {
    min-height: 68px;
  }

  .brand-link img {
    width: min(164px, 48vw);
  }

  .language-menu > summary .language-name {
    display: none;
  }

  .menu-panel {
    position: fixed;
    top: 74px;
    right: var(--us-space-3);
    left: var(--us-space-3);
    width: auto;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(2.45rem, 13vw, 3.7rem);
  }

  .button-row,
  .button-row .us-button,
  .install-actions .us-button {
    width: 100%;
  }

  .footer-main,
  .footer-navs {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}