:root {
  color-scheme: light;
  --ink: #16202c;
  --muted: #5b6878;
  --line: #dce4ea;
  --panel: #f5f8fa;
  --white: #ffffff;
  --blue: #1877f2;
  --blue-deep: #0d4fba;
  --green: #17a673;
  --amber: #f2a516;
  --red: #e45151;
  --charcoal: #111820;
  --shadow: 0 20px 55px rgba(18, 36, 52, 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;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  letter-spacing: 0;
  overflow-x: hidden;
}

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, 228, 234, 0.86);
  background: rgba(255, 255, 255, 0.88);
  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(24, 119, 242, 0.2);
}

.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(245, 248, 250, 0.76);
  color: var(--ink);
  font-weight: 760;
}

.section-band {
  background:
    linear-gradient(135deg, rgba(245, 248, 250, 0.96), rgba(255, 255, 255, 0.92) 44%, rgba(232, 245, 239, 0.95)),
    linear-gradient(90deg, rgba(24, 119, 242, 0.12), rgba(242, 165, 22, 0.1));
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
  min-height: min(720px, calc(100vh - 72px));
  padding: clamp(48px, 7vw, 92px) clamp(20px, 6vw, 84px) clamp(44px, 6vw, 78px);
  overflow: visible;
}

.hero-copy {
  min-width: 0;
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-deep);
  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, 74px);
  line-height: 1.02;
  overflow-wrap: anywhere;
}

h1 span {
  display: inline;
}

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

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

.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(24, 119, 242, 0.24);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.78);
  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, 228, 234, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.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;
}

.phone-frame,
.app-shot {
  margin: 0;
  overflow: hidden;
  background: #080d13;
  box-shadow: var(--shadow);
}

.phone-frame img,
.app-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.phone-frame {
  width: min(38vw, 330px);
  border-radius: 34px;
}

.hero-shot {
  width: min(30vw, 330px);
  height: min(68vh, 660px);
}

.hero-shot img {
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.app-shot {
  width: min(100%, 430px);
  aspect-ratio: 1242 / 1344;
  border-radius: 28px;
}

.app-shot img {
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.history-section {
  background: #ffffff;
}

.phone-frame,
.app-shot {
  box-shadow: var(--shadow);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: 100%;
  padding: 34px clamp(20px, 6vw, 84px);
  background: var(--white);
}

.support-grid article {
  min-width: 0;
  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 {
  width: 100%;
  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, 430px);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
  min-width: 0;
}

.copy-stack {
  min-width: 0;
  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;
}

.help-shot img {
  width: min(100%, 430px);
  height: auto;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.faq-section {
  background: var(--panel);
}

.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: #fff9ed;
}

.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);
}

.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: var(--charcoal);
  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;
  }

  .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%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px 24px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  h2 {
    font-size: 30px;
    line-height: 1.16;
  }

  .support-grid p,
  .copy-stack p {
    font-size: 15px;
    line-height: 1.72;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .support-grid h2,
  .content-section h2,
  .check-list li {
    overflow-wrap: anywhere;
    word-break: normal;
  }

  h1 span {
    display: block;
  }

  .hero {
    padding-top: 36px;
  }

  .lead {
    max-width: min(100%, 320px);
    font-size: 16px;
    line-height: 1.72;
  }

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

  .phone-frame {
    width: min(82vw, 320px);
  }

  .hero-shot {
    height: auto;
  }

  .hero-shot img {
    height: auto;
    object-fit: contain;
  }

  .app-shot {
    width: min(84vw, 340px);
  }

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

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

  .support-grid article,
  .support-grid p,
  .content-section,
  .copy-stack,
  .copy-stack p {
    max-width: 100%;
  }
}