/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: #1c1c1e;
  background: #f5f5f7;
  -webkit-font-smoothing: antialiased;
}

a { color: #b4851f; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ─── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }

/* ─── Nav ─── */
nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(245, 245, 247, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
}
nav .inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
nav .brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 17px; color: #1c1c1e;
}
nav .brand .logo {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, #ff3b30, #b4851f);
  display: grid; place-items: center;
  color: white; font-size: 14px; font-weight: 700;
}
nav .links { display: flex; gap: 24px; font-size: 14px; }
nav .links a { color: #1c1c1e; }

/* ─── Hero ─── */
.hero {
  text-align: center;
  padding-top: 80px;
  background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero .tagline {
  font-size: clamp(18px, 2.4vw, 24px);
  color: #6e6e73;
  font-weight: 400;
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero .gold-accent { color: #b4851f; }
.hero .cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: #1c1c1e; color: white;
  padding: 14px 28px; border-radius: 980px;
  font-size: 16px; font-weight: 500;
  transition: transform 0.15s ease;
}
.hero .cta:hover { transform: translateY(-1px); text-decoration: none; }
.hero .mockup {
  margin-top: 60px;
  display: flex; justify-content: center; gap: 40px;
  flex-wrap: wrap;
}

/* iPhone mockup (CSS-art) */
.phone {
  width: 260px; height: 540px;
  border-radius: 36px;
  background: #1c1c1e;
  padding: 10px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}
.phone .screen {
  width: 100%; height: 100%;
  border-radius: 28px;
  background: #f5f5f7;
  padding: 28px 16px 16px;
  display: flex; flex-direction: column; gap: 12px;
  overflow: hidden;
}
.phone .screen-header {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: #6e6e73;
}
.phone .month-title {
  text-align: center; font-size: 22px; margin: 8px 0 16px;
}
.phone .photo {
  width: 100%; height: 110px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fde2c4, #f8c5d0);
  display: grid; place-items: center;
  color: rgba(180, 133, 31, 0.5); font-weight: 600; font-size: 12px;
}
.phone .calendar {
  background: white;
  border-radius: 12px;
  padding: 12px;
  flex: 1;
  font-size: 11px;
  color: #6e6e73;
}
.phone .day-row {
  display: flex; justify-content: space-around; margin-bottom: 6px;
}
.phone .day-row .today {
  background: #ff3b30; color: white;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 600;
}
.phone .day-row .bday {
  border: 2px solid #b4851f;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 600; color: #1c1c1e;
}

/* ─── Features ─── */
.features { background: white; }
.features h2 {
  font-size: 40px; font-weight: 700; text-align: center;
  letter-spacing: -0.02em; margin-bottom: 12px;
}
.features .subtitle {
  text-align: center; color: #6e6e73; font-size: 18px; margin-bottom: 60px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature {
  background: #f5f5f7;
  border-radius: 18px;
  padding: 32px 28px;
}
.feature .icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff3b30, #b4851f);
  display: grid; place-items: center;
  color: white; font-size: 22px;
  margin-bottom: 16px;
}
.feature h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.feature p { color: #6e6e73; font-size: 15px; }

/* ─── Family section ─── */
.family {
  background: linear-gradient(180deg, #f5f5f7 0%, #fff 100%);
  text-align: center;
}
.family h2 {
  font-size: 40px; font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.family p {
  color: #6e6e73; font-size: 18px;
  max-width: 640px; margin: 0 auto;
}

/* ─── Privacy section (intro on landing) ─── */
.privacy-intro {
  background: white;
  text-align: center;
}
.privacy-intro h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.privacy-intro p { color: #6e6e73; max-width: 600px; margin: 0 auto 20px; }
.privacy-intro .link {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid #1c1c1e;
  border-radius: 980px;
  font-weight: 500;
  color: #1c1c1e;
}
.privacy-intro .link:hover { background: #1c1c1e; color: white; text-decoration: none; }

/* ─── Footer ─── */
footer {
  background: #f5f5f7;
  padding: 40px 24px;
  text-align: center;
  color: #6e6e73;
  font-size: 13px;
  border-top: 0.5px solid rgba(0, 0, 0, 0.08);
}
footer a { color: #6e6e73; margin: 0 8px; }

/* ─── Privacy page ─── */
.privacy-page {
  background: white;
  padding: 60px 24px 80px;
}
.privacy-page .container { max-width: 720px; }
.privacy-page h1 {
  font-size: 36px; font-weight: 700; margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.privacy-page .updated {
  color: #6e6e73; font-size: 14px; margin-bottom: 40px;
}
.privacy-page h2 {
  font-size: 22px; font-weight: 600;
  margin: 40px 0 12px;
}
.privacy-page p, .privacy-page ul {
  color: #1c1c1e; font-size: 16px;
  margin-bottom: 16px;
}
.privacy-page ul { padding-left: 22px; }
.privacy-page ul li { margin-bottom: 8px; }
.privacy-page strong { font-weight: 600; }
.privacy-page .back {
  display: inline-block; margin-top: 40px;
  font-size: 14px; color: #b4851f;
}