:root {
  --ink: #17212b;
  --ink-2: #243447;
  --fog: #17212b;
  --paper: #ffffff;
  --line: #dce5eb;
  --accent: #0f9f91;
  --accent-2: #f0a202;
  --muted: #607487;
  --danger: #e85d4c;
  --radius: 18px;
  --max: 1120px;
  --font-display: "Sora", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Sora", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--fog);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(15, 159, 145, 0.11), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(240, 162, 2, 0.06), transparent 50%),
    #f7fafc;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 1px 12px rgba(23, 33, 43, 0.04);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), #0d7f74);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
}

.brand-text strong {
  display: block;
  font-size: 1.05rem;
}

.brand-text span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
}

.nav-cta {
  margin-left: 0.4rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
  font-weight: 700;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fog);
  border-radius: 10px;
  padding: 0.45rem 0.7rem;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: end;
  padding: 4.5rem 0 5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(247, 250, 252, 0.9)),
    url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%230f9f91' stroke-opacity='0.09'%3E%3Cpath d='M0 40h80M40 0v80'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(ellipse at 70% 30%, rgba(15, 159, 145, 0.18), transparent 45%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-lead {
  margin: 1.25rem 0 2rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--fog);
}

.section {
  padding: 5rem 0;
}

.section-head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.module {
  grid-column: span 4;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, #ffffff, #f9fbfc);
  box-shadow: 0 10px 30px rgba(23, 33, 43, 0.05);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.module:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 159, 145, 0.45);
  background:
    linear-gradient(160deg, rgba(15, 159, 145, 0.08), #ffffff);
}

.module.wide {
  grid-column: span 6;
}

.module .tag {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.module h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.module p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.module .go {
  display: inline-flex;
  margin-top: 1.3rem;
  color: var(--accent);
  font-weight: 600;
}

.panel {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.6rem;
  background: #fff;
  box-shadow: 0 10px 30px rgba(23, 33, 43, 0.05);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.stat {
  padding: 1rem;
  border-radius: 14px;
  background: #f4f8fa;
  border: 1px solid var(--line);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.7rem;
  align-items: start;
  color: var(--ink-2);
  line-height: 1.6;
}

.list .n {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(15, 159, 145, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.download-list,
.contact-grid {
  display: grid;
  gap: 0.9rem;
}

.download-item,
.contact-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.download-item h3,
.contact-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.download-item p,
.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.page-hero {
  padding: 4rem 0 2rem;
}

.page-hero h1 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
}

.page-hero p {
  margin: 0;
  max-width: 40rem;
  color: var(--muted);
  line-height: 1.7;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--accent);
}

.site-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .module,
  .module.wide {
    grid-column: span 6;
  }

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

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 2rem, var(--max));
  }

  .nav {
    min-height: 64px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .brand-text strong {
    font-size: 0.98rem;
  }

  .menu-btn {
    display: inline-flex;
    min-width: 48px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 14px 24px rgba(23, 33, 43, 0.08);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links a {
    padding: 0.65rem 0.25rem;
    font-size: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .module,
  .module.wide {
    grid-column: span 12;
  }

  .hero {
    min-height: calc(100svh - 64px);
    padding: 3.5rem 0 3rem;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.4rem);
  }

  .section {
    padding: 3.5rem 0;
  }

  .page-hero {
    padding: 2.5rem 0 1.5rem;
  }

  .panel,
  .module {
    padding: 1.2rem;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .download-item,
  .contact-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .download-item .btn,
  .contact-card .btn {
    width: 100%;
  }

  .site-footer {
    padding: 1.15rem 0 calc(1.15rem + env(safe-area-inset-bottom));
    font-size: 0.8rem;
  }

  .footer-row {
    flex-direction: column;
    gap: 0.45rem;
  }
}