:root {
  --white: #ffffff;
  --graphite: #23272b;
  --graphite-soft: #3b4248;
  --muted: #5a6670;
  --deep-blue-green: #0f4c5c;
  --steel-blue: #4f7f9f;
  --cool-gray: #f5f8fa;
  --line: #d8e1e7;
  --warning: #9a5b00;
  --focus: #b9d8ea;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--graphite);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: var(--deep-blue-green);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--graphite);
  text-decoration: none;
}

.brand-logo {
  width: 86px;
  height: auto;
}

.brand-name {
  max-width: 220px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  color: var(--graphite);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-list a[aria-current="page"] {
  color: var(--deep-blue-green);
  font-weight: 700;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  background: var(--cool-gray);
}

.language-switcher button {
  min-height: 34px;
  padding: 0 10px;
  background: transparent;
  color: var(--graphite);
  font-size: 0.9rem;
  font-weight: 700;
}

.language-switcher button[aria-pressed="true"] {
  background: var(--deep-blue-green);
  color: var(--white);
}

.section {
  padding: 64px 0;
}

.hero {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.95), rgba(245,248,250,0.82)),
    linear-gradient(135deg, var(--white), var(--cool-gray));
}

.hero-grid,
.split-grid,
.conversion-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--deep-blue-green);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  line-height: 1.2;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.3rem, 5vw, 4.35rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 20px;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.125rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 2px solid var(--deep-blue-green);
  background: var(--deep-blue-green);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: var(--white);
  color: var(--deep-blue-green);
}

.trust-bar {
  background: var(--graphite);
  color: var(--white);
}

.trust-bar .lead {
  color: #dfe8ed;
}

.grid-3,
.grid-2,
.trust-list,
.spec-list {
  display: grid;
  gap: 16px;
}

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

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

.card,
.panel {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--white);
}

.card p:last-child,
.panel p:last-child,
.trust-list p:last-child {
  margin-bottom: 0;
}

.trust-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.28);
}

.trust-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.muted-band {
  background: var(--cool-gray);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.data-table caption {
  margin-bottom: 12px;
  font-weight: 700;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: var(--cool-gray);
}

.feature-list {
  margin: 0;
  padding-left: 20px;
}

.feature-list li {
  margin-bottom: 10px;
}

.media-frame {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--cool-gray);
}

.media-frame img {
  width: 100%;
  background: var(--white);
  object-fit: contain;
}

.form-grid {
  display: grid;
  gap: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  color: var(--graphite);
  background: var(--white);
  font: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  min-height: 48px;
  border: 0;
  background: var(--steel-blue);
  color: var(--white);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 820px) {
  .header-inner,
  .hero-grid,
  .split-grid,
  .conversion-grid,
  .grid-2,
  .grid-3,
  .trust-list,
  .spec-list {
    grid-template-columns: 1fr;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .brand-name {
    max-width: none;
  }

  .section {
    padding: 48px 0;
  }
}