/* ─── Navigation ─────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg3);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.nav-logo svg { flex-shrink: 0; }

.nav-links { display: flex; gap: 22px; }
.nav-links a { font-size: 14px; color: var(--ink2); transition: color .12s; }
.nav-links a:hover { color: var(--accent); }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.lang-switcher {
  display: flex;
  gap: 2px;
  background: var(--bg2);
  border-radius: 7px;
  padding: 2px;
}
.lang-btn {
  background: none;
  border: none;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink3);
  padding: 3px 8px;
  border-radius: 5px;
  cursor: pointer;
  transition: all .12s;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: .04em;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}

.nav-cta {
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  transition: opacity .12s;
}
.nav-cta:hover { opacity: .85; }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 22px;
}
.hero-tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 54px;
  line-height: 1.06;
  letter-spacing: -.5px;
  margin-bottom: 20px;
}
h1 em { font-style: italic; color: var(--accent); }

.hero-sub {
  font-size: 17px;
  color: var(--ink2);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 440px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.hero-note { font-size: 13px; color: var(--ink3); }

/* ─── Hero section background ────────────────────────────────────────────── */
.hero-section {
  position: relative;
  overflow: hidden;
  background-image: radial-gradient(circle, rgba(0,0,0,.042) 1px, transparent 1px);
  background-size: 24px 24px;
}
.hero { position: relative; z-index: 1; }
.hero-glow-a,
.hero-glow-b {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.hero-glow-a {
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(61,78,245,.10) 0%, transparent 65%);
  top: -160px;
  right: -60px;
}
.hero-glow-b {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(124,58,237,.08) 0%, transparent 65%);
  bottom: -40px;
  left: -80px;
}

/* ─── Browser mock float ─────────────────────────────────────────────────── */
.browser-anim {
  opacity: 0;
  animation: fadein .5s ease forwards .18s, float 5s ease-in-out 1.8s infinite;
}
.browser {
  box-shadow: 0 16px 64px rgba(61,78,245,.10), 0 2px 20px rgba(0,0,0,.06);
}

/* ─── Scroll hint ────────────────────────────────────────────────────────── */
.scroll-hint {
  text-align: center;
  padding: 4px 0 40px;
  color: var(--ink3);
  cursor: pointer;
  opacity: .5;
  transition: opacity .4s;
  animation: scrollbounce 2.2s ease-in-out 2.2s infinite;
}
.scroll-hint:hover { opacity: .8; }
.scroll-hint.hidden { opacity: 0 !important; pointer-events: none; transition: opacity .6s; }

/* ─── Section wrapper ────────────────────────────────────────────────────── */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 32px;
}
.sec-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 10px;
}
.sec-title {
  font-family: 'DM Serif Display', serif;
  font-size: 40px;
  letter-spacing: -.3px;
  margin-bottom: 14px;
  line-height: 1.12;
}
.sec-sub {
  font-size: 16px;
  color: var(--ink2);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 48px;
}

hr.div { border: none; border-top: 1px solid var(--bg3); }

/* ─── CTA block ──────────────────────────────────────────────────────────── */
.cta-block {
  background: var(--ink);
  border-radius: 16px;
  padding: 64px 48px;
  text-align: center;
  max-width: calc(var(--max) - 64px);
  margin: 0 auto 80px;
}
.cta-block h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 44px;
  color: #fff;
  letter-spacing: -.3px;
  margin-bottom: 14px;
}
.cta-block p  { font-size: 15px; color: rgba(255, 255, 255, .45); margin-bottom: 32px; }
.cta-block .btn-primary { background: #fff; color: var(--ink); display: inline-flex; }
.cta-block .btn-primary:hover { opacity: .92; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--bg3);
  padding: 22px 32px;
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.foot-l { font-size: 13px; color: var(--ink3); }
.foot-r { display: flex; gap: 20px; }
.foot-r a { font-size: 13px; color: var(--ink3); transition: color .12s; }
.foot-r a:hover { color: var(--ink); }