*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue: #007AFF;
  --dark: #1C1C1E;
  --gray: #6E6E73;
  --light-gray: #F2F2F7;
  --border: #E5E5EA;
  --white: #FFFFFF;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── Nav ── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 15px;
  color: var(--gray);
}

.nav-links a {
  color: var(--gray);
}

.nav-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 80px 24px 64px;
  max-width: 680px;
  margin: 0 auto;
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 27px;
  margin: 0 auto 28px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 122, 255, 0.25);
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero p {
  font-size: 20px;
  color: var(--gray);
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--dark);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  transition: opacity 0.15s;
}

.app-store-btn:hover {
  opacity: 0.85;
  text-decoration: none;
}

.app-store-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--white);
}

.coming-soon-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray);
}

/* ── Features ── */
.features {
  background: var(--light-gray);
  padding: 72px 24px;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: 18px;
  padding: 32px 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.55;
}

/* ── Privacy Banner ── */
.privacy-banner {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 56px 24px;
}

.privacy-banner-inner {
  max-width: 680px;
  margin: 0 auto;
}

.privacy-banner .badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.privacy-banner h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.privacy-banner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.privacy-pillars {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.pillar {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
}

/* ── Footer ── */
footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--gray);
}

footer .footer-links {
  display: flex;
  gap: 20px;
}

/* ── Privacy Policy Page ── */
.policy-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.policy-container h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.policy-container .effective-date {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 48px;
}

.policy-container h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
}

.policy-container p {
  font-size: 16px;
  color: #3A3A3C;
  line-height: 1.7;
  margin-bottom: 16px;
}

.policy-container ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.policy-container ul li {
  font-size: 16px;
  color: #3A3A3C;
  line-height: 1.7;
  margin-bottom: 6px;
}

.no-collect-box {
  background: var(--light-gray);
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 15px;
  color: var(--dark);
  font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  nav {
    padding: 16px 20px;
  }

  .hero {
    padding: 56px 20px 48px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 17px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 28px;
  }

  footer {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding: 24px 20px;
  }

  .privacy-banner h2 {
    font-size: 26px;
  }
}