:root {
  --bg: #f4f8ff;
  --text: #0f172a;
  --muted: #303c4e;
  --brand: #0ea5e9;
  --brand-2: #14b8a6;
  --card: rgba(255, 255, 255, 0.9);
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 20px 48px rgba(12, 22, 46, 0.12);
  --shadow-hover: #c7e4f1;
  --shadow-hover-2: #8ef3e7;
  --screenshot: #9095a1;
  --screenshot-2: #90989c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 95% -10%, rgba(20, 184, 166, 0.28), transparent 55%),
    radial-gradient(1000px 600px at -15% 5%, rgba(14, 165, 233, 0.3), transparent 60%),
    linear-gradient(180deg, #edf4ff 0%, #e1f0ff 100%);
  line-height: 1.55;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 0 18px;
  background: rgba(245, 248, 255, 0);
  backdrop-filter: blur(6px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: #0b2540;
  text-decoration: none;
}

.logo-mark {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.menu {
  
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.menu a {
  text-decoration: none;
  color: #ffffff;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
  padding: 8px 11px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}

.menu a:hover {
  filter: brightness(1.06);
}

.menu a:focus-visible {
  outline: 2px solid rgba(14, 165, 233, 0.55);
  outline-offset: 2px;
}

.info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 20px;
  padding: center 26px;
  font-weight: 800;
  border: 10px solid transparent;
  color: var(--muted);
}

.hero {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 42px 38px;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, var(--shadow-hover), var(--shadow-hover-2));
}

.chip {
  display: inline-block;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  color: #0e7490;
  background: rgba(14, 165, 233, 0.13);
  border: 1px solid rgba(14, 165, 233, 0.25);
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 4.8vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2.1vw, 21px);
  max-width: 900px;
}

.section {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  scroll-margin-top: 88px;
}

h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

h3 {
  margin-top: 18px;
  margin-bottom: 10px;
}

.sub {
  margin: 10px 0 0;
  color: var(--muted);
}

.download-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  
}

.download-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  padding: 16px;
}

.download-card h3 {
  margin: 0 0 8px;
}

.download-card p {
  margin: 0;
  color: var(--muted);
}

.cta-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.download-card .cta-row {
  margin-top: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
}

.steps {
  margin: 12px 0 0;
  padding-left: 20px;
}

.steps li {
  margin-bottom: 7px;
}

.shot-btn {
  margin-left: 8px;
  margin-top: 6px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--screenshot), var(--screenshot-2));
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(20, 184, 166, 0.26);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 6px;
  cursor: pointer;
}

.shot-btn:hover {
  filter: brightness(1.05);
}

.alert {
  color: #af0404;
  font-size: 20px;
}

.note {
  margin-top: 12px;
  border-left: 4px solid #0ea5e9;
  background: #f0f9ff;
  border-radius: 10px;
  padding: 12px 14px;
  color: #af0404;
  font-size: 18px;
  font-weight: 600;
}

.issues {
  margin: 14px 0 0;
  padding-left: 20px;
}

.issues li {
  margin-bottom: 8px;
}

.footer {
  margin-top: 28px;
  font-size: 13px;
  color: #64748b;
  text-align: center;
}

.shot-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
}

.shot-modal.is-open {
  display: block;
}

.shot-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
}

.shot-modal-card {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 28px));
  margin: 28px auto;
  background: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  padding: 14px;
}

.shot-modal-card img {
  width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  border-radius: 10px;
  background: #0f172a;
}

.shot-modal-card figcaption {
  margin-top: 10px;
  color: #dbeafe;
  font-size: 14px;
}

.shot-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 0;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 880px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .top {
    position: static;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 28px 20px;
  }

  .section {
    padding: 20px;
  }

  h2 {
    font-size: 24px;
  }

  .shot-btn {
    margin-left: 0;
    display: inline-block;
  }
}
.shot-nav-link {
  margin-left: 8px;
  margin-top: 6px;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(20, 184, 166, 0.26);
  font-size: 26px;
  font-weight: 600;
  padding: 20px 60px;
  cursor: pointer;
}

.shot-nav-link:hover {
  filter: brightness(1.05);
}

.shot-nav-link {
    margin-left: 0;
    display: inline-block;
  }

.popup-function {
  margin-left: 8px;
  margin-top: 6px;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(20, 184, 166, 0.26);
  font-size: 18px;
  font-weight: 400;
  padding: 2px 4px;
  cursor: pointer;
}

.link-btn {
  margin-left: 8px;
  margin-top: 6px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--screenshot), var(--screenshot-2));
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(20, 184, 166, 0.26);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 6px;
  cursor: pointer;
  text-decoration: none;
}