/* =========================================================
   Live2D Cursor — promo site
   ========================================================= */

:root {
  --bg: #120f0d;
  --bg-alt: #16110d;
  --card: #1e1714;
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f2f0f5;
  --text-dim: #a3a0b0;
  --orange: #FF9E6A;
  --peach: #FFC9A3;
  --rust: #C9481F;
  --cyan: #33C2A8;
  --grad: linear-gradient(120deg, var(--orange), var(--peach) 55%, var(--rust));
  --radius: 18px;
  --maxw: 1180px;
  --font-ui: 'Sora', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1em 0.45em;
  border-radius: 6px;
  font-size: 0.9em;
}

/* ---------- cursor glow (thematic: mouse-follow) ---------- */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 420px;
  height: 420px;
  margin-left: -210px;
  margin-top: -210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 158, 106, 0.16), rgba(201, 72, 31, 0.08) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s ease;
  will-change: transform;
}

/* ---------- layout helpers ---------- */
.section {
  position: relative;
  padding: 110px 24px;
  z-index: 1;
}
.section.alt { background: var(--bg-alt); }
.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 10px 0 14px;
  font-weight: 800;
}
.section-desc { color: var(--text-dim); font-size: 1.02rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 700;
}
.eyebrow.center { display: block; text-align: center; }

/* ---------- navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(18, 15, 13, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--card-border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
}
.brand-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-mark {
  width: 40px;
  height: 40px;
  margin-top: -5px;
  object-fit: contain;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.95rem;
  color: var(--text-dim);
}
.nav-links a { transition: color 0.2s ease; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text) !important;
  background: rgba(255, 255, 255, 0.08);
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
}
.nav-cta:hover { background: rgba(255, 255, 255, 0.14); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 3px;
}
.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: var(--grad);
  color: #20120a;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 80px clamp(20px, 6vw, 80px) 60px;
  overflow: hidden;
  flex-wrap: wrap;
}
.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--bg);
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transform: scale(1.03);
  filter: brightness(1.1) saturate(1.05);
  transition: opacity 1.4s ease;
}
.hero-video.is-visible { opacity: 1; }
.hero-video-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(18, 15, 13, 0.96) 0%, rgba(18, 15, 13, 0.85) 32%, rgba(18, 15, 13, 0.5) 50%, rgba(18, 15, 13, 0.15) 68%, transparent 85%),
    linear-gradient(0deg, rgba(18, 15, 13, 0.55) 0%, transparent 18%);
}

.hero-blobs { position: absolute; inset: 0; z-index: 0; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  mix-blend-mode: screen;
  animation: float 14s ease-in-out infinite;
}
.blob-a { width: 480px; height: 480px; background: var(--orange); top: -140px; left: -100px; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

.hero-floaters { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.floater {
  position: absolute;
  width: 34px;
  height: 34px;
  opacity: 0.18;
  filter: drop-shadow(0 0 12px rgba(255, 158, 106, 0.4));
  animation: drift 10s ease-in-out infinite;
}
.f1 { top: 18%; left: 6%; animation-delay: 0s; }
.f2 { top: 65%; left: 10%; animation-delay: -2s; width: 28px; height: 28px; }
.f3 { top: 30%; left: 90%; animation-delay: -4s; }
.f4 { top: 78%; left: 86%; animation-delay: -1s; width: 26px; height: 26px; }
.f5 { top: 10%; left: 80%; animation-delay: -6s; }
.f6 { top: 82%; left: 45%; animation-delay: -3s; width: 24px; height: 24px; }

@keyframes drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-22px) rotate(12deg); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 560px;
}
.hero-title { margin: 18px 0 20px; line-height: 1.1; }
.grad-text {
  display: block;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.hero-sub {
  display: block;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-dim);
  font-weight: 600;
  margin-top: 6px;
}
.hero-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-actions.center { justify-content: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: var(--grad);
  color: #20120a;
  box-shadow: 0 10px 30px -8px rgba(255, 158, 106, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px rgba(255, 158, 106, 0.7); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }

/* ---------- feature grid ---------- */
.feature-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 158, 106, 0.4);
  box-shadow: 0 20px 40px -20px rgba(201, 72, 31, 0.35);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: color-mix(in srgb, var(--tint) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--tint) 45%, transparent);
}
.feature-icon img {
  width: 24px; height: 24px;
  filter: brightness(0) saturate(100%) invert(1);
}
.feature-card h3 { margin: 0 0 10px; font-size: 1.1rem; font-weight: 700; }
.feature-card p { margin: 0; color: var(--text-dim); font-size: 0.94rem; }

/* ---------- steps ---------- */
.steps {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.step {
  flex: 1 1 260px;
  max-width: 300px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.step-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.step h3 { margin: 0 0 8px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }
.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--orange);
  padding: 0 4px;
}

/* ---------- languages ---------- */
.lang-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 760px;
  margin: 0 auto;
}
.lang-chip {
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--card-border);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.lang-chip:hover { transform: translateY(-3px); border-color: var(--orange); }

/* ---------- team ---------- */
.team-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.team-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.team-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 158, 106, 0.4);
  box-shadow: 0 20px 40px -20px rgba(201, 72, 31, 0.35);
}
.team-avatar {
  width: 84px;
  height: 84px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  background: var(--grad);
}
.team-role {
  color: var(--orange);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 6px;
}
.team-card h3 { margin: 0 0 14px; font-size: 1.3rem; font-weight: 800; }
.team-bio { color: var(--text-dim); font-size: 0.96rem; margin: 0 0 20px; }
.team-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.team-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ---------- cta banner ---------- */
.cta-banner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 40px;
  border-radius: 28px;
  text-align: center;
  background: linear-gradient(160deg, #221710, #120d09);
  border: 1px solid var(--card-border);
  overflow: hidden;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; font-weight: 800; }
.cta-banner p { color: var(--text-dim); max-width: 520px; margin: 0 auto 30px; }
.cta-blob {
  position: absolute;
  width: 500px; height: 500px;
  background: var(--grad);
  opacity: 0.25;
  filter: blur(90px);
  top: -180px; left: 50%;
  transform: translateX(-50%);
}

main { position: relative; z-index: 1; margin: 40px 0; }

/* ---------- footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  padding: 50px 24px 30px;
  background: var(--bg-alt);
  border-top: 1px solid var(--card-border);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand p { color: var(--text-dim); font-size: 0.88rem; margin-top: 6px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--text); }
.footer-note {
  max-width: var(--maxw);
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--card-border);
  color: #6b6878;
  font-size: 0.78rem;
}
.footer-note a { color: #8f8ba0; text-decoration: underline; }

/* ---------- scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { justify-content: center; text-align: center; }
  .hero-inner { max-width: 640px; }
  .hero-actions { justify-content: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
}

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(18, 15, 13, 0.97);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 26px;
    gap: 18px;
    border-bottom: 1px solid var(--card-border);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .feature-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); }
  .hero-video-wrap { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-wrap { display: none; }
}