/* ============ Reset / Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  color: #0f172a;
  background: #fff;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.15; margin: 0; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(160deg, #0f3554 0%, #175281 50%, #1a6b3a 100%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 56px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.brand-asr { color: #fff; }
.brand-review { color: #7ab85a; }
.brand-tld { font-size: 10px; color: rgba(255,255,255,0.5); margin-left: 1px; }
.nav-cta {
  font-size: 14px;
  color: #fff;
  background: rgba(255,255,255,0.12);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  transition: background 0.15s ease;
}
.nav-cta:hover { background: rgba(255,255,255,0.2); }

/* ============ Hero ============ */
.hero {
  background: linear-gradient(160deg, #0f3554 0%, #175281 50%, #1a6b3a 100%);
  color: #fff;
  padding: 80px 0 96px;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  flex-wrap: wrap;
}
.hero-text { flex: 1 1 380px; min-width: 280px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #bfd9f0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  margin-bottom: 22px;
}
.hero-accent {
  background: linear-gradient(90deg, #93c5fd 0%, #86efac 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin: 0 0 30px;
}
.hero-icon-wrap {
  flex: 0 0 auto;
  filter: drop-shadow(0 24px 40px rgba(16,70,112,0.55));
}
.hero-icon {
  width: 280px;
  height: 280px;
  border-radius: 56px;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 14px;
  transition: transform 0.1s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: #4b8c3a;
  color: #fff;
  box-shadow: 0 4px 14px rgba(75,140,58,0.35);
}
.btn-primary:hover { opacity: 0.92; transform: translateY(-1px); }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.apple-icon::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M16.365 1.43c0 1.14-.41 2.21-1.23 3.06-.94.97-2.16 1.7-3.36 1.61-.13-1.07.34-2.21 1.13-3.05.88-.94 2.31-1.66 3.46-1.62zM20.5 17.27c-.61 1.42-.89 2.05-1.68 3.31-1.1 1.75-2.65 3.93-4.57 3.95-1.71.02-2.15-1.12-4.47-1.11-2.32.01-2.81 1.13-4.52 1.11-1.92-.03-3.39-2-4.49-3.75C-.93 16.7-1.36 11.74 1.5 8.78c1.32-1.36 2.99-2.16 4.7-2.19 1.78-.04 3.46 1.18 4.55 1.18 1.08 0 3.13-1.46 5.27-1.25.9.04 3.41.36 5.02 2.74-.13.08-3.01 1.77-2.97 5.27.04 4.18 3.65 5.57 3.69 5.59-.03.09-.59 2-1.96 4.15z'/></svg>") center / contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M16.365 1.43c0 1.14-.41 2.21-1.23 3.06-.94.97-2.16 1.7-3.36 1.61-.13-1.07.34-2.21 1.13-3.05.88-.94 2.31-1.66 3.46-1.62zM20.5 17.27c-.61 1.42-.89 2.05-1.68 3.31-1.1 1.75-2.65 3.93-4.57 3.95-1.71.02-2.15-1.12-4.47-1.11-2.32.01-2.81 1.13-4.52 1.11-1.92-.03-3.39-2-4.49-3.75C-.93 16.7-1.36 11.74 1.5 8.78c1.32-1.36 2.99-2.16 4.7-2.19 1.78-.04 3.46 1.18 4.55 1.18 1.08 0 3.13-1.46 5.27-1.25.9.04 3.41.36 5.02 2.74-.13.08-3.01 1.77-2.97 5.27.04 4.18 3.65 5.57 3.69 5.59-.03.09-.59 2-1.96 4.15z'/></svg>") center / contain no-repeat;
}

/* ============ Sections ============ */
.section { padding: 80px 0; }
.section-muted { background: #f7f8fa; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 800;
  margin-bottom: 14px;
}
.section-head p {
  color: #64748b;
  font-size: 16px;
  margin: 0;
}

/* ============ Features grid ============ */
.features-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.feature-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 28px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  text-align: center;
}
.feature-card:hover { box-shadow: 0 8px 24px rgba(15,23,42,0.06); transform: translateY(-2px); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: #64748b; margin: 0; }

/* ============ Steps ============ */
.steps-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.step { text-align: center; }
.step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #175281;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: #64748b; margin: 0; }

/* ============ Screenshots ============ */
.screenshots {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
}
.screenshots img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 24px rgba(15,23,42,0.08);
}

/* ============ Why ============ */
.why-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: 880px;
  margin: 0 auto;
}
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: #1f2937;
}
.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #4b8c3a;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
}

/* ============ CTA ============ */
.section-cta { padding: 80px 0; }
.cta-inner { text-align: center; max-width: 620px; }
.cta-inner h2 {
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  color: #64748b;
  font-size: 16px;
  margin: 0 0 30px;
}
.cta-apple {
  width: 40px;
  height: 40px;
  margin: 0 auto 24px;
  background: #175281;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M16.365 1.43c0 1.14-.41 2.21-1.23 3.06-.94.97-2.16 1.7-3.36 1.61-.13-1.07.34-2.21 1.13-3.05.88-.94 2.31-1.66 3.46-1.62zM20.5 17.27c-.61 1.42-.89 2.05-1.68 3.31-1.1 1.75-2.65 3.93-4.57 3.95-1.71.02-2.15-1.12-4.47-1.11-2.32.01-2.81 1.13-4.52 1.11-1.92-.03-3.39-2-4.49-3.75C-.93 16.7-1.36 11.74 1.5 8.78c1.32-1.36 2.99-2.16 4.7-2.19 1.78-.04 3.46 1.18 4.55 1.18 1.08 0 3.13-1.46 5.27-1.25.9.04 3.41.36 5.02 2.74-.13.08-3.01 1.77-2.97 5.27.04 4.18 3.65 5.57 3.69 5.59-.03.09-.59 2-1.96 4.15z'/></svg>") center / contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M16.365 1.43c0 1.14-.41 2.21-1.23 3.06-.94.97-2.16 1.7-3.36 1.61-.13-1.07.34-2.21 1.13-3.05.88-.94 2.31-1.66 3.46-1.62zM20.5 17.27c-.61 1.42-.89 2.05-1.68 3.31-1.1 1.75-2.65 3.93-4.57 3.95-1.71.02-2.15-1.12-4.47-1.11-2.32.01-2.81 1.13-4.52 1.11-1.92-.03-3.39-2-4.49-3.75C-.93 16.7-1.36 11.74 1.5 8.78c1.32-1.36 2.99-2.16 4.7-2.19 1.78-.04 3.46 1.18 4.55 1.18 1.08 0 3.13-1.46 5.27-1.25.9.04 3.41.36 5.02 2.74-.13.08-3.01 1.77-2.97 5.27.04 4.18 3.65 5.57 3.69 5.59-.03.09-.59 2-1.96 4.15z'/></svg>") center / contain no-repeat;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid #e5e7eb;
  padding: 32px 0;
  background: #f7f8fa;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand { font-weight: 700; font-size: 17px; }
.footer-brand .brand-asr { color: #175281; }
.footer-brand .brand-review { color: #4b8c3a; }
.footer-brand .brand-tld { color: #94a3b8; }
.footer-copy { color: #94a3b8; font-size: 13px; }

/* ============ Responsive tweaks ============ */
@media (max-width: 700px) {
  .hero { padding: 56px 0 72px; }
  .hero-inner { gap: 32px; }
  .hero-icon { width: 200px; height: 200px; border-radius: 40px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
}