:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5d6b82;
  --soft: #eef5ff;
  --line: #dce6f4;
  --blue: #1479ff;
  --blue-deep: #0d4fba;
  --teal: #05a7a0;
  --coral: #ff6b6b;
  --green: #2e9f68;
  --white: #ffffff;
  --shadow: 0 20px 55px rgba(25, 53, 92, 0.16);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #f8fbff;
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(220, 230, 244, 0.82);
  background: rgba(248, 251, 255, 0.86);
  backdrop-filter: blur(18px);
}

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

.brand img {
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(20, 121, 255, 0.22);
}

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

.brand strong {
  font-size: 18px;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--blue);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-weight: 760;
}

.section-band {
  background:
    radial-gradient(circle at 83% 20%, rgba(5, 167, 160, 0.2), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, #ecf5ff 46%, #fff6f2 100%);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 560px);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
  min-height: 720px;
  padding: clamp(48px, 7vw, 92px) clamp(20px, 6vw, 84px) clamp(44px, 6vw, 78px);
  overflow: hidden;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
}

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.lead {
  max-width: 700px;
  font-size: clamp(18px, 2.1vw, 22px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 720;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(20, 121, 255, 0.26);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 38px 0 0;
}

.quick-facts div {
  min-height: 92px;
  padding: 16px;
  border: 1px solid rgba(220, 230, 244, 0.88);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.quick-facts dt {
  color: var(--muted);
  font-size: 13px;
}

.quick-facts dd {
  margin: 8px 0 0;
  font-weight: 760;
}

.hero-media {
  display: flex;
  justify-content: center;
  min-height: 620px;
}

.demo-video,
.screenshot-frame img,
.help-shot img {
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.demo-video {
  width: min(43vw, 380px);
  height: auto;
  align-self: center;
  border: 8px solid rgba(255, 255, 255, 0.78);
  background: #ffffff;
  object-fit: contain;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 34px clamp(20px, 6vw, 84px);
  background: var(--white);
}

.support-grid article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.support-grid h2 {
  font-size: 23px;
}

.support-grid p {
  font-size: 15px;
}

.support-grid a {
  color: var(--blue-deep);
  font-weight: 760;
  text-decoration: none;
}

.content-section {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 6vw, 84px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
}

.copy-stack {
  max-width: 780px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 5px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  content: "✓";
  font-size: 13px;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
}

.screenshot-frame,
.help-shot {
  margin: 0;
}

.screenshot-frame img {
  width: min(100%, 430px);
  height: auto;
}

.faq-section {
  background: #f1f7ff;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 980px;
}

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

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 760;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  font-size: 16px;
}

.notice-section,
.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.notice-section {
  background: #fff8f2;
}

.notice-section div,
.contact-copy {
  max-width: 760px;
}

.contact-section {
  background: var(--white);
}

.contact-actions span {
  color: var(--muted);
  font-weight: 680;
}

.help-shot img {
  width: min(36vw, 360px);
  height: auto;
}

.policy {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(52px, 8vw, 98px) 20px;
}

.policy h1 {
  margin-bottom: 10px;
  font-size: clamp(38px, 6vw, 64px);
}

.policy section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.policy h2 {
  font-size: 26px;
}

.updated {
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 15px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 6vw, 84px);
  border-top: 1px solid var(--line);
  background: #10223d;
  color: rgba(255, 255, 255, 0.78);
}

.site-footer a {
  color: var(--white);
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero,
  .split,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-media {
    min-height: 0;
  }

  .demo-video {
    width: min(70vw, 360px);
  }

  .quick-facts {
    grid-template-columns: 1fr;
  }

  .notice-section,
  .contact-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .help-shot img {
    width: min(82vw, 360px);
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 42px;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-media {
    justify-content: flex-start;
  }

  .demo-video,
  .screenshot-frame img,
  .help-shot img {
    border-radius: 20px;
  }

  .support-grid article {
    min-height: 0;
  }
}