/* ============================================
   ClawMeow v3 — Your Cat. Your Agent.
   ============================================ */
:root {
  --coral:       #E8634A;
  --coral-dark:  #C94F38;
  --coral-light: #F5A08A;
  --cream:       #FFF8F0;
  --cream-dark:  #F0E6D8;
  --navy:        #1A1A2E;
  --navy-mid:    #16213E;
  --gold:        #F5C842;
  --white:       #FFFFFF;
  --text-dark:   #2D2D2D;
  --text-mid:    #5A5A5A;
  --text-light:  #9A9A9A;
  --border:      #E0D4C8;
  --px-border:   3px solid var(--navy);
  --shadow-px:   4px 4px 0 var(--navy);
  --shadow-lg:   6px 6px 0 var(--navy);
  --font-pixel:  'Press Start 2P', monospace;
  --font-body:   'Noto Sans SC', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--cream); color: var(--text-dark); line-height: 1.75; overflow-x: hidden; }
img { display: block; width: 100%; height: auto; image-rendering: pixelated; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
code { font-family: var(--font-pixel); font-size: .7em; background: var(--navy); color: var(--gold); padding: 2px 6px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.pixel-font { font-family: var(--font-pixel); }
.highlight { color: var(--coral); }

/* ---------- Buttons ---------- */
.btn-pixel {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-pixel); font-size: .65rem;
  padding: 14px 24px; border: var(--px-border); box-shadow: var(--shadow-px);
  cursor: pointer; transition: transform .1s, box-shadow .1s; letter-spacing: .05em;
}
.btn-pixel:hover  { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--navy); }
.btn-pixel:active { transform: translate(2px,2px);   box-shadow: 2px 2px 0 var(--navy); }
.btn-primary  { background: var(--coral); color: var(--white); }
.btn-primary:hover { background: var(--coral-dark); }
.btn-secondary { background: var(--navy); color: var(--white); }
.btn-nav { background: var(--coral); color: var(--white); font-size: .55rem; padding: 10px 16px; }
.btn-full { width: 100%; justify-content: center; }

/* ---------- Pixel Frame ---------- */
.pixel-frame { position: relative; border: var(--px-border); box-shadow: var(--shadow-lg); overflow: hidden; }
.pixel-frame-corner { position: absolute; width: 12px; height: 12px; background: var(--coral); z-index: 2; }
.tl { top:-3px; left:-3px; } .tr { top:-3px; right:-3px; }
.bl { bottom:-3px; left:-3px; } .br { bottom:-3px; right:-3px; }

/* ---------- Tags ---------- */
.pixel-tag {
  display: inline-block; background: var(--navy); color: var(--gold);
  font-size: .55rem; padding: 6px 14px; border: 2px solid var(--gold);
  margin-bottom: 16px; letter-spacing: .1em;
}
.pixel-badge {
  display: inline-block; background: var(--gold); color: var(--navy);
  font-family: var(--font-pixel); font-size: .55rem;
  padding: 6px 14px; border: var(--px-border); box-shadow: 3px 3px 0 var(--navy);
  margin-bottom: 20px; animation: blink-badge 1.5s step-end infinite;
}
@keyframes blink-badge { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ---------- Section Header ---------- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-title { font-size: clamp(.9rem,2.5vw,1.4rem); line-height: 1.7; color: var(--navy); margin-bottom: 16px; }
.section-desc { font-size: 1rem; color: var(--text-mid); max-width: 560px; margin: 0 auto; }

/* ---------- AOS ---------- */
[data-aos] { opacity:0; transform:translateY(30px); transition: opacity .6s ease, transform .6s ease; }
[data-aos].aos-animate { opacity:1; transform:translateY(0); }
[data-aos][data-aos-delay="100"] { transition-delay:.1s; }
[data-aos][data-aos-delay="200"] { transition-delay:.2s; }

.blink { animation: blink-cursor 1s step-end infinite; }
@keyframes blink-cursor { 0%,100%{opacity:1} 50%{opacity:0} }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  background: var(--cream); border-bottom: var(--px-border);
  box-shadow: 0 4px 0 var(--navy); transition: background .3s;
}
.navbar.scrolled { background: rgba(255,248,240,.97); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 70px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { width: 40px; height: 40px; object-fit: contain; }
.nav-logo span { font-size: .75rem; color: var(--navy); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: .9rem; color: var(--text-dark); transition: color .2s; position: relative; }
.nav-links a:not(.btn-pixel):hover { color: var(--coral); }
.nav-links a:not(.btn-pixel)::after {
  content:''; position:absolute; bottom:-4px; left:0;
  width:0; height:2px; background:var(--coral); transition:width .2s;
}
.nav-links a:not(.btn-pixel):hover::after { width:100%; }

/* Language Toggle */
.lang-toggle {
  background: var(--navy); color: var(--gold);
  border: 2px solid var(--gold); font-size: .5rem;
  padding: 6px 12px; cursor: pointer;
  transition: background .2s; flex-shrink: 0;
}
.lang-toggle:hover { background: var(--gold); color: var(--navy); }
/* Show/hide based on lang */
html[data-lang="zh"] .lang-zh { display: none; }
html[data-lang="zh"] .lang-en { display: inline; }
html[data-lang="en"] .lang-zh { display: inline; }
html[data-lang="en"] .lang-en { display: none; }

.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; }
.nav-toggle span { display:block; width:24px; height:3px; background:var(--navy); }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh; padding: 120px 24px 80px;
  background: linear-gradient(135deg, var(--navy) 0%, #2a1a3e 100%);
  display: flex; align-items: center; justify-content: center;
  gap: 60px; flex-wrap: wrap; position: relative; overflow: hidden;
}
.hero-scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,.08) 2px, rgba(0,0,0,.08) 4px);
  pointer-events: none; z-index: 1;
}
.hero-content { position:relative; z-index:2; max-width:520px; flex:1 1 380px; }
.hero-title { font-size: clamp(1rem,3vw,1.7rem); color: var(--white); line-height: 1.7; margin-bottom: 24px; text-shadow: 4px 4px 0 var(--coral-dark); }
.hero-subtitle { font-size: 1rem; color: rgba(255,255,255,.8); margin-bottom: 36px; line-height: 1.9; }
.hero-cta { display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 24px; }
.hero-hint { font-size: .45rem; color: rgba(255,255,255,.3); letter-spacing: .08em; margin-top: 8px; }
.hero-image { position:relative; z-index:2; flex:1 1 420px; max-width:600px; }
.scroll-hint {
  position:absolute; bottom:24px; left:50%; transform:translateX(-50%);
  font-size:.5rem; color:rgba(255,255,255,.35); z-index:2;
  animation: bounce 2s infinite; letter-spacing:.1em;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ============================================
   MARQUEE
   ============================================ */
.marquee-bar {
  background: var(--coral); border-top: var(--px-border); border-bottom: var(--px-border);
  overflow: hidden; padding: 12px 0;
}
.marquee-track {
  display: flex; gap: 48px; white-space: nowrap;
  animation: marquee 24s linear infinite;
  font-family: var(--font-pixel); font-size: .6rem; color: var(--white);
}
.marquee-track span { flex-shrink: 0; }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ============================================
   CONCEPT
   ============================================ */
.concept {
  padding: 100px 0; background: var(--cream);
}
.concept::before {
  content:''; display:block; height:8px;
  background: repeating-linear-gradient(90deg, var(--coral) 0,var(--coral) 8px, var(--navy) 8px, var(--navy) 16px);
}
.concept-inner { display:flex; gap:60px; align-items:center; flex-wrap:wrap; }
.concept-image { flex:1 1 340px; max-width:400px; }
.concept-content { flex:1 1 400px; }
.concept-content .section-title { text-align:left; }
.concept-text { font-size:.95rem; color:var(--text-mid); margin-bottom:16px; line-height:1.85; }
.concept-tags { display:flex; gap:10px; flex-wrap:wrap; margin-top:24px; }
.ctag {
  background: var(--navy); color: var(--gold);
  font-size: .5rem; padding: 6px 12px;
  border: 2px solid var(--gold);
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how { padding: 100px 0; background: var(--cream-dark); }
.how::before {
  content:''; display:block; height:8px;
  background: repeating-linear-gradient(90deg, var(--navy) 0,var(--navy) 8px, var(--coral) 8px, var(--coral) 16px);
}
.steps-row { display:flex; align-items:flex-start; gap:16px; flex-wrap:wrap; }
.step-card {
  flex:1 1 260px; background:var(--white);
  border: var(--px-border); box-shadow: var(--shadow-px);
  overflow:hidden; transition:transform .2s, box-shadow .2s;
}
.step-card:hover { transform:translate(-3px,-3px); box-shadow:7px 7px 0 var(--navy); }
.step-num { background:var(--navy); color:var(--gold); font-size:.7rem; padding:10px 16px; display:inline-block; }
.step-img-wrap { height:200px; overflow:hidden; background:var(--cream-dark); }
.step-img-wrap img { width:100%; height:100%; object-fit:cover; }
.step-body { padding:20px; }
.step-body h3 { font-size:.7rem; color:var(--navy); margin-bottom:10px; line-height:1.6; }
.step-body p { font-size:.88rem; color:var(--text-mid); line-height:1.75; }
.step-arrow { font-size:1.5rem; color:var(--coral); align-self:center; flex-shrink:0; width:40px; text-align:center; }

/* ============================================
   PLANET
   ============================================ */
.planet {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--navy) 0%, #0d0d1a 100%);
  position: relative; overflow: hidden;
}
.planet-scanlines {
  position:absolute; inset:0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,0,.1) 3px, rgba(0,0,0,.1) 6px);
  pointer-events:none;
}
.planet .section-title { color: var(--white); text-align:left; }
.planet .pixel-tag { display:inline-block; }
.planet-inner { display:flex; gap:60px; align-items:center; flex-wrap:wrap; position:relative; z-index:1; }
.planet-content { flex:1 1 400px; }
.planet-text { color:rgba(255,255,255,.75); font-size:.95rem; margin-bottom:32px; line-height:1.85; }
.planet-features { display:flex; flex-direction:column; gap:24px; }
.pf-item { display:flex; gap:16px; align-items:flex-start; }
.pf-icon {
  background:var(--coral); color:var(--white);
  font-size:.6rem; padding:8px 12px;
  border:2px solid var(--coral-light); flex-shrink:0; min-width:48px; text-align:center;
}
.pf-item h4 { color:var(--white); font-size:.95rem; margin-bottom:4px; }
.pf-item p { color:rgba(255,255,255,.6); font-size:.85rem; }
.planet-image { flex:1 1 360px; max-width:440px; position:relative; }
.planet-frame { box-shadow:0 0 40px rgba(232,99,74,.25); }
.planet-float-badge {
  position:absolute; bottom:-16px; right:-16px;
  background:var(--gold); color:var(--navy);
  font-size:.55rem; padding:10px 18px;
  border:var(--px-border); box-shadow:var(--shadow-px);
  animation: blink-badge 2s step-end infinite;
}

/* ============================================
   WAITLIST
   ============================================ */
.waitlist { padding: 100px 0; background: var(--cream); }
.waitlist::before {
  content:''; display:block; height:8px;
  background: repeating-linear-gradient(90deg, var(--coral) 0,var(--coral) 8px, var(--navy) 8px, var(--navy) 16px);
}
.waitlist-inner { display:flex; gap:60px; align-items:flex-start; flex-wrap:wrap; }
.waitlist-content { flex:1 1 360px; }
.waitlist-desc { font-size:.95rem; color:var(--text-mid); margin-bottom:32px; line-height:1.85; }
.waitlist-perks { display:flex; flex-direction:column; gap:14px; }
.perk-item { display:flex; align-items:center; gap:12px; font-size:.9rem; color:var(--text-dark); }
.perk-item span:first-child { font-size:1.2rem; }

/* Pixel Window */
.waitlist-form-wrap { flex:1 1 360px; }
.pixel-window { background:var(--cream); border:var(--px-border); box-shadow:var(--shadow-lg); }
.pixel-window-bar {
  background:var(--navy); padding:10px 16px;
  display:flex; align-items:center; gap:8px; border-bottom:var(--px-border);
}
.win-dot { display:inline-block; width:12px; height:12px; border:2px solid rgba(255,255,255,.3); }
.win-dot.red{background:#FF5F57} .win-dot.yellow{background:#FFBD2E} .win-dot.green{background:#28CA41}
.win-title { font-size:.55rem; color:rgba(255,255,255,.7); margin-left:8px; letter-spacing:.1em; }
.waitlist-form { padding:28px; display:flex; flex-direction:column; gap:20px; }
.form-group { display:flex; flex-direction:column; gap:8px; }
.form-group label { font-size:.55rem; color:var(--navy); letter-spacing:.05em; }
.form-group input,
.form-group select {
  padding:12px 14px; border:var(--px-border);
  background:var(--white); font-family:var(--font-body);
  font-size:.9rem; color:var(--text-dark);
  outline:none; transition:box-shadow .2s; appearance:none;
}
.form-group input:focus,
.form-group select:focus { box-shadow:3px 3px 0 var(--coral); border-color:var(--coral); }
.form-group input::placeholder { color:var(--text-light); }
.form-note { font-size:.75rem; color:var(--text-light); text-align:center; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background:var(--navy); border-top:var(--px-border); padding:60px 0 0; }
.footer-inner { display:flex; gap:60px; flex-wrap:wrap; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand { flex:1 1 240px; }
.footer-brand .nav-logo span { color:var(--white); }
.footer-tagline { color:rgba(255,255,255,.5); font-size:.85rem; margin:16px 0 24px; }
.footer-social { display:flex; gap:12px; flex-wrap:wrap; }
.social-btn { background:rgba(255,255,255,.1); color:var(--white); font-size:.5rem; padding:8px 14px; border:2px solid rgba(255,255,255,.2); transition:background .2s; }
.social-btn:hover { background:var(--coral); border-color:var(--coral); }
.footer-links { flex:2 1 400px; display:flex; gap:40px; flex-wrap:wrap; }
.footer-col { flex:1 1 120px; }
.footer-col h4 { font-size:.6rem; color:var(--gold); margin-bottom:20px; letter-spacing:.1em; }
.footer-col ul { display:flex; flex-direction:column; gap:10px; }
.footer-col a { color:rgba(255,255,255,.6); font-size:.85rem; transition:color .2s; }
.footer-col a:hover { color:var(--coral-light); }
.footer-bottom { padding:20px 0; display:flex; align-items:center; gap:8px; font-size:.5rem; color:rgba(255,255,255,.3); letter-spacing:.08em; }

/* Back to top */
.back-to-top {
  position:fixed; bottom:32px; right:32px;
  background:var(--coral); color:var(--white);
  border:var(--px-border); box-shadow:var(--shadow-px);
  width:48px; height:48px; font-size:.7rem;
  cursor:pointer; display:none; align-items:center; justify-content:center;
  z-index:999; transition:transform .1s, box-shadow .1s;
}
.back-to-top:hover { transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--navy); }
.back-to-top.visible { display:flex; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width:900px) {
  .hero { flex-direction:column; text-align:center; padding-top:100px; }
  .hero-cta { justify-content:center; }
  .concept-inner { flex-direction:column; }
  .concept-content .section-title { text-align:center; }
  .steps-row { flex-direction:column; }
  .step-arrow { transform:rotate(90deg); align-self:center; }
  .planet-inner { flex-direction:column; }
  .planet .section-title { text-align:center; }
  .waitlist-inner { flex-direction:column; }
}
@media (max-width:640px) {
  .nav-links {
    display:none; position:absolute; top:70px; left:0; right:0;
    background:var(--cream); border-bottom:var(--px-border);
    flex-direction:column; padding:24px; gap:20px;
    box-shadow:0 8px 0 var(--navy);
  }
  .nav-links.open { display:flex; }
  .nav-toggle { display:flex; }
  .hero-title { font-size:1rem; }
  .section-title { font-size:.85rem; }
  .footer-inner { flex-direction:column; gap:40px; }
  .footer-links { flex-direction:column; gap:32px; }
}