:root {
  --bg: #f6f6f7;
  --surface: rgba(255,255,255,0.72);
  --surface-strong: rgba(255,255,255,0.82);
  --text: #1c1c1e;
  --text-soft: #2c2c2e;
  --muted: #6e6e73;
  --line: rgba(60,60,67,0.14);
  --accent: #66c7f4;
  --accent-dark: #35aee6;
  --card: rgba(255,255,255,0.82);
  --shadow: 0 14px 40px rgba(17, 17, 17, 0.06);
  --shadow-soft: 0 8px 24px rgba(17, 17, 17, 0.05);
  --max: 1120px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102,199,244,0.08), transparent 32%),
    linear-gradient(180deg, #fbfbfc 0%, #f4f4f6 100%);
  color: #2c2c2e;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,246,247,0.78);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  border-radius: 14px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.brand:hover {
  transform: translateY(-1px);
  opacity: 0.94;
}

.brand img {
  width: 295px;
  max-width: 58vw;
  height: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-left: 12px;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  transition: color 0.18s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}

.nav-links a:hover {
  color: var(--text-soft);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 84px;
}

.hero {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 34px;
  align-items: start;
  padding: 22px 0 8px;
  animation: fadeUp 0.55s ease both;
}

.hero-logo {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: 30px;
  align-self: start;
  margin-top: 6px;
  box-shadow: var(--shadow-soft);
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 620;
  font-size: 1rem;
  line-height: 1.2;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5.25rem);
  line-height: 0.95;
  margin: 0 0 16px;
  letter-spacing: -0.045em;

  font-weight: 550;          /* was 620 → lighter */
  color: #3a3a3c;            /* softer than #2c2c2e */
}

.subtitle {
  font-size: 1.14rem;
  color: var(--muted);
  max-width: 780px;
  margin: 0;
}

.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-block;
  padding: 13px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
  will-change: transform;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button.primary {
  background: linear-gradient(180deg, #7bd1f7 0%, #59bfe9 100%);
  color: #07131a;
}

.button.primary:hover {
  color: white;
  background: linear-gradient(180deg, #54c0ef 0%, #2ea7de 100%);
}

.button.secondary {
  background: var(--surface-strong);
  color: var(--text-soft);
  border-color: rgba(60,60,67,0.12);
}

.button.secondary:hover {
  border-color: rgba(60,60,67,0.18);
  background: rgba(255,255,255,0.94);
}

.section { margin-top: 50px; }

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 14px;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--text-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(60,60,67,0.1);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: fadeUp 0.55s ease both;
}

.card:nth-child(2) { animation-delay: 0.06s; }
.card:nth-child(3) { animation-delay: 0.12s; }

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(102,199,244,0.28);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text-soft);
}

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

.content {
  max-width: 800px;
  animation: fadeUp 0.45s ease both;
}

.content > h1 {
  font-size: clamp(2.3rem, 4vw, 3.7rem);
  line-height: 1.02;
  margin: 6px 0 18px;
  letter-spacing: -0.045em;
  font-weight: 720;
  color: #242426;
}

.content > p,
.content li {
  color: var(--text-soft);
}

.content strong {
  color: #2c2c2e;
}

.content h2 {
  margin-top: 38px;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-soft);
}

.content h3 {
  margin-top: 26px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-soft);
}

.content ul { padding-left: 1.2rem; }
.content li { margin-bottom: 8px; }

.note {
  font-size: 0.96rem;
  color: var(--muted);
}

.faq-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item h3 { margin: 0 0 6px; }

form {
  max-width: 700px;
  margin-top: 24px;
}

.form-row {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

input,
textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(60,60,67,0.14);
  border-radius: 16px;
  font: inherit;
  background: rgba(255,255,255,0.82);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

textarea {
  min-height: 168px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(53,174,230,0.48);
  box-shadow: 0 0 0 4px rgba(102, 199, 244, 0.16);
  background: rgba(255,255,255,0.96);
}

.appstore-link {
  display: inline-block;
  line-height: 0;
  border-radius: 14px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.appstore-link:hover {
  transform: translateY(-1px);
  opacity: 0.94;
}

.appstore-badge-img {
  width: 156px;
  height: auto;
  display: block;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 24px 42px;
  color: var(--muted);
  background: transparent;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
}

.footer-links a:hover { color: var(--text-soft); }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .nav {
    gap: 14px;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 265px;
    max-width: 76vw;
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 104px 1fr;
    gap: 18px;
  }

  .hero-logo {
    width: 104px;
    height: 104px;
  }

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

  .button-row {
    gap: 10px;
  }

  .button {
    padding: 12px 16px;
  }

  .appstore-badge-img {
    width: 148px;
  }

  .content > h1 {
    font-size: clamp(2rem, 7vw, 3rem);
  }
}

@media (max-width: 560px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-logo {
    margin: 0 auto;
  }

  .button-row {
    justify-content: center;
  }

  .brand img {
    width: 235px;
  }
}