:root {
  --primary: #115E59;
  --primary-dark: #0B4541;
  --mint: #E3F2EF;
  --coral: #F26B5B;
  --bg: #F7F9F9;
  --card: #FFFFFF;
  --text: #13201F;
  --text-2: #4B5B5A;
  --text-3: #7D8B8A;
  --hairline: #E4EAE9;
  --radius: 20px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); }
a:hover { color: var(--primary-dark); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(247, 249, 249, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 18px; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav { display: flex; gap: 22px; }
.nav a { text-decoration: none; color: var(--text-2); font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--primary); }

/* Hero */
.hero { padding: 88px 0 72px; text-align: center; }
.hero .app-icon { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 18px 40px rgba(17, 94, 89, 0.18); }
.hero h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.1; margin: 28px 0 14px; letter-spacing: -0.02em; }
.hero p.lead { font-size: clamp(17px, 2.2vw, 21px); color: var(--text-2); max-width: 640px; margin: 0 auto 32px; }
.badge-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 14px;
  font-weight: 600; font-size: 16px; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: var(--mint); color: var(--primary); }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

.hero .note { margin-top: 18px; font-size: 13px; color: var(--text-3); }

.screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 24px; }
.screens img { width: 100%; height: auto; border-radius: 26px; box-shadow: 0 16px 40px rgba(17, 94, 89, 0.16); }

/* Sections */
section { padding: 56px 0; }
section h2 { font-size: clamp(26px, 3.6vw, 34px); text-align: center; margin: 0 0 10px; letter-spacing: -0.01em; }
section .sub { text-align: center; color: var(--text-2); max-width: 620px; margin: 0 auto 40px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 26px;
}
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--mint); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--text-2); font-size: 15px; }

.privacy-band {
  background: var(--primary); color: #fff; border-radius: 28px; padding: 48px 36px; text-align: center;
}
.privacy-band h2 { color: #fff; }
.privacy-band p { color: rgba(255, 255, 255, 0.85); max-width: 640px; margin: 0 auto 24px; }
.privacy-band ul { list-style: none; padding: 0; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.privacy-band li { background: rgba(255, 255, 255, 0.12); padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; }

.disclaimer {
  background: #FFF6F4; border: 1px solid #F8D9D3; border-radius: var(--radius);
  padding: 22px 26px; color: var(--text-2); font-size: 14px;
}
.disclaimer strong { color: var(--text); }

/* Documents */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(30px, 4.5vw, 42px); margin: 0 0 6px; letter-spacing: -0.02em; }
.doc .meta { color: var(--text-3); font-size: 14px; margin-bottom: 32px; }
.doc h2 { font-size: 22px; margin: 40px 0 10px; text-align: left; }
.doc h3 { font-size: 17px; margin: 24px 0 6px; }
.doc p, .doc li { color: var(--text-2); font-size: 16px; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .summary { background: var(--mint); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 8px; }
.doc .summary p, .doc .summary li { color: var(--text); }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.doc th { color: var(--text); background: #EEF4F3; }
.doc td { color: var(--text-2); }

.faq details {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 16px;
  padding: 16px 20px; margin: 10px 0;
}
.faq summary { cursor: pointer; font-weight: 600; color: var(--text); }
.faq details p, .faq details li { margin: 10px 0 0; }

.contact-card {
  background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 28px; text-align: center; margin: 24px 0 8px;
}
.contact-card a.btn { margin-top: 12px; }

/* Footer */
.site-footer { border-top: 1px solid var(--hairline); padding: 32px 0 44px; color: var(--text-3); font-size: 14px; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--primary); }

@media (max-width: 640px) {
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  .nav .hide-sm { display: none; }
  .hero { padding: 56px 0 48px; }
  .privacy-band { padding: 36px 22px; }
  .screens { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .screens img:not(:first-child) { display: none; }
}