:root{
  --brand:#DF995B;
  --brand-ink:#B36E30;
  --brand-deep:#8C5422;
  --brand-soft:#F6D9B8;
  --sec:#496F82;
  --sec-ink:#2F4E5E;
  --sec-soft:#C9DCE6;
  --bg:#FCEDD0;
  --bg-warm:#F9E4BE;
  --bg-deep:#F4DAAF;
  --surface:#FFFDF8;
  --ink:#1F2937;
  --ink-2:#4B5563;
  --ink-3:#6B7280;
  --line:rgba(31,41,55,.08);
  --line-2:rgba(31,41,55,.14);
  --shadow-sm: 0 1px 2px rgba(79,54,24,.06), 0 2px 6px rgba(79,54,24,.05);
  --shadow-md: 0 4px 10px rgba(79,54,24,.06), 0 18px 40px -12px rgba(79,54,24,.18);
  --shadow-lg: 0 8px 20px rgba(79,54,24,.08), 0 40px 80px -20px rgba(79,54,24,.28);
  --radius: 22px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Unbounded', 'Manrope', sans-serif; letter-spacing:-.02em; margin:0; font-weight:700}
p{margin:0}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.wrap{max-width:1200px; margin:0 auto; padding:0 28px}

/* NAV */
.nav{
  position:fixed; inset:14px 14px auto 14px; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 14px 10px 18px;
  background:transparent; border:1px solid transparent;
  border-radius:999px;
  transition:all .35s cubic-bezier(.22,1,.36,1);
}
.nav.scrolled{
  inset:10px max(14px, calc(50vw - 620px)) auto max(14px, calc(50vw - 620px));
  background:rgba(255,253,248,.82);
  border-color:var(--line);
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  box-shadow: var(--shadow-sm);
}
.brand{display:flex; align-items:center; gap:10px; font-family:'Unbounded'; font-weight:700; font-size:17px}
.brand-mark{
  width:40px; height:40px; border-radius:12px;
  background:linear-gradient(160deg, #FFE6C5, #F3B880);
  display:grid; place-items:center;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.06), 0 4px 12px rgba(223,153,91,.35);
  overflow:hidden;
}
.brand-mark img{width:34px; height:34px; object-fit:contain}
.nav-links{display:flex; gap:28px; font-weight:500; font-size:14.5px; color:var(--ink-2)}
.nav-links a{padding:6px 2px; transition:color .2s}
.nav-links a:hover{color:var(--brand-ink)}
.nav-cta{
  display:inline-flex; align-items:center; gap:9px;
  padding:11px 18px 11px 14px; border-radius:999px;
  background:var(--brand); color:#fff; font-weight:700; font-size:14px;
  box-shadow: 0 6px 18px -4px rgba(223,153,91,.55), inset 0 -2px 0 rgba(0,0,0,.12);
  transition:transform .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px); box-shadow: 0 10px 24px -6px rgba(223,153,91,.7), inset 0 -2px 0 rgba(0,0,0,.12)}
.nav-cta .dot{width:8px; height:8px; border-radius:50%; background:#fff; animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(255,255,255,.75)} 70%{box-shadow:0 0 0 10px rgba(255,255,255,0)} 100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}
@media (max-width:760px){ .nav-links{display:none} .nav{inset:10px 10px auto 10px} }

/* Reveal */
.reveal{opacity:0; transform:translateY(30px); transition:opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1; transform:none}
.reveal.d1{transition-delay:.09s}
.reveal.d2{transition-delay:.18s}
.reveal.d3{transition-delay:.27s}
.reveal.d4{transition-delay:.36s}

/* HERO */
.hero{
  position:relative;
  padding: 150px 0 90px;
  background:
    radial-gradient(1100px 620px at 88% -12%, rgba(223,153,91,.28), transparent 60%),
    radial-gradient(800px 500px at -10% 50%, rgba(73,111,130,.14), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #FFF4DC 100%);
  overflow:hidden;
}
.hero .wrap{display:grid; grid-template-columns: 1.05fr .95fr; gap:40px; align-items:center; position:relative}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  padding:7px 14px 7px 8px; border-radius:999px;
  background:var(--surface); border:1px solid var(--line);
  font-size:13px; font-weight:600; color:var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.eyebrow .pill{
  padding:3px 9px; border-radius:999px; font-size:10.5px; letter-spacing:.1em;
  background:linear-gradient(135deg,#DF995B,#E8B07C); color:#fff; font-weight:700;
}
.hero h1{
  font-size:clamp(40px, 5.6vw, 76px);
  line-height:1.02;
  margin:22px 0 20px;
}
.hero h1 .hl{
  position:relative; display:inline-block;
  background:linear-gradient(120deg, #DF995B 0%, #B36E30 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero h1 .hl::after{
  content:""; position:absolute; left:-4px; right:-4px; bottom:6px; height:16px;
  background: rgba(223,153,91,.2);
  border-radius:6px; z-index:-1;
  transform: skew(-8deg);
}
.hero p.lead{font-size:19px; color:var(--ink-2); line-height:1.55; max-width:540px}

.cta-row{display:flex; gap:14px; align-items:center; margin-top:32px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 26px; border-radius:16px; font-weight:700; font-size:16px;
  transition: transform .22s ease, box-shadow .22s ease, background .2s;
  cursor:pointer; border:none; font-family:inherit;
}
.btn-primary{
  background:var(--brand); color:#fff;
  box-shadow: 0 10px 24px -8px rgba(223,153,91,.75), inset 0 -3px 0 rgba(0,0,0,.14);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow: 0 18px 30px -10px rgba(223,153,91,.85), inset 0 -3px 0 rgba(0,0,0,.14)}
.btn-ghost{
  background:var(--surface); color:var(--ink);
  border:1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover{transform:translateY(-2px); box-shadow: var(--shadow-md)}
.btn svg{width:18px; height:18px}
.trust{display:flex; align-items:center; gap:12px; margin-top:22px; font-size:13px; color:var(--ink-3)}
.trust .avatars{display:flex}
.trust .avatars span{
  width:28px; height:28px; border-radius:50%; border:2px solid var(--surface);
  margin-left:-8px; background:var(--brand-soft);
  display:grid; place-items:center; font-size:11px; font-weight:700; color:var(--brand-ink);
}
.trust .avatars span:nth-child(2){background:var(--sec-soft); color:var(--sec)}
.trust .avatars span:nth-child(3){background:#FFE8C4; color:var(--brand-deep)}
.trust .stars{color:#DF995B; letter-spacing:1px}

.hero-stats{display:flex; gap:32px; margin-top:44px; padding-top:28px; border-top:1px dashed var(--line-2); flex-wrap:wrap}
.stat .num{font-family:'Unbounded'; font-weight:700; font-size:30px; color:var(--ink); letter-spacing:-.02em}
.stat .lbl{font-size:13px; color:var(--ink-3); margin-top:4px}

/* Hero stage */
.hero-stage{position:relative; height:640px}
.blob{position:absolute; border-radius:50%; filter:blur(48px); opacity:.55; z-index:0}
.blob.a{width:360px; height:360px; background:#F2C896; top:20px; right:0}
.blob.b{width:280px; height:280px; background:#BEDAE5; bottom:60px; left:-40px}

.phone{
  position:absolute; top:10px; right:30px;
  width:300px; height:600px;
  background:#141C24; border-radius:44px; padding:12px;
  box-shadow: 0 40px 80px -20px rgba(79,54,24,.4), 0 10px 24px rgba(79,54,24,.12);
  animation: floaty 6s ease-in-out infinite;
  z-index:2;
}
.phone::before{
  content:""; position:absolute; top:14px; left:50%; transform:translateX(-50%);
  width:110px; height:26px; background:#0A0E13; border-radius:999px; z-index:3;
}
.phone-screen{
  width:100%; height:100%; background:var(--surface);
  border-radius:34px; overflow:hidden; position:relative;
  display:flex; flex-direction:column;
}
.phone-top{padding:46px 20px 8px; display:flex; justify-content:space-between; align-items:center; font-size:12px; font-weight:700}
.phone-top .icons{display:flex; gap:5px; align-items:center}
.phone-top .sig{display:flex; gap:2px; align-items:flex-end}
.phone-top .sig i{display:block; width:3px; background:var(--ink); border-radius:1px}
.phone-top .sig i:nth-child(1){height:4px} .phone-top .sig i:nth-child(2){height:6px} .phone-top .sig i:nth-child(3){height:8px} .phone-top .sig i:nth-child(4){height:10px; opacity:.4}
.phone-top .bat{width:22px; height:11px; border:1.5px solid var(--ink); border-radius:3px; position:relative}
.phone-top .bat::after{content:""; position:absolute; inset:1.5px; background:var(--ink); width:75%; border-radius:1px}
.phone-hi{padding:14px 18px 4px}
.phone-hi .greet{font-family:'Unbounded'; font-weight:600; font-size:18px}
.phone-hi .greet .em{color:var(--brand)}
.phone-hi .sub{font-size:11.5px; color:var(--ink-3); margin-top:3px}
.chat{padding:14px 14px 0; display:flex; flex-direction:column; gap:9px; flex:1}
.msg{
  max-width:82%; padding:10px 13px; border-radius:16px; font-size:12.5px; line-height:1.4;
}
.msg.bot{background:#F6E8CF; color:var(--ink); align-self:flex-start; border-bottom-left-radius:5px}
.msg.me{background:var(--sec); color:#fff; align-self:flex-end; border-bottom-right-radius:5px}
.msg.bot.wide{max-width:90%}
.msg .fml{display:block; margin-top:6px; padding:6px 8px; background:rgba(255,255,255,.6); border-radius:8px; font-family:'Unbounded'; font-size:12px; color:var(--brand-deep)}
.typing{display:inline-flex; gap:3px; align-items:center}
.typing span{width:5px; height:5px; border-radius:50%; background:#B88E5D; animation: typ 1.2s infinite}
.typing span:nth-child(2){animation-delay:.15s}
.typing span:nth-child(3){animation-delay:.3s}
@keyframes typ{0%,100%{transform:translateY(0); opacity:.4} 50%{transform:translateY(-3px); opacity:1}}
.phone-input{margin:10px 12px 14px; padding:10px 12px; background:#F5EAD6; border-radius:14px; display:flex; align-items:center; gap:8px; color:var(--ink-3); font-size:12px}
.phone-input .sp{flex:1}
.phone-input .mic{width:28px; height:28px; border-radius:50%; background:var(--brand); display:grid; place-items:center; color:#fff; font-weight:700}

.mascot-hero{
  position:absolute; bottom:-30px; left:-40px;
  width:340px; z-index:3;
  animation: floatyB 7s ease-in-out infinite;
  filter: drop-shadow(0 30px 40px rgba(79,54,24,.28));
}
@keyframes floaty{
  0%,100%{transform: translateY(0) rotate(-1.2deg)}
  50%{transform: translateY(-16px) rotate(1.2deg)}
}
@keyframes floatyB{
  0%,100%{transform: translateY(0) rotate(-3deg)}
  50%{transform: translateY(-14px) rotate(3deg)}
}

.speech{
  position:absolute; left:210px; top:30px;
  background:var(--surface); padding:12px 16px; border-radius:18px 18px 18px 4px;
  box-shadow: var(--shadow-md);
  font-size:13.5px; font-weight:600; color:var(--ink);
  z-index:4;
  animation: floaty 5.5s ease-in-out infinite;
}
.speech::before{content:""; position:absolute; left:-6px; bottom:-6px; width:14px; height:14px; background:var(--surface); border-radius:2px; transform:rotate(45deg)}
.speech .k{color:var(--brand-ink)}

.sticker{
  position:absolute; background:var(--surface); padding:10px 14px; border-radius:16px;
  box-shadow: var(--shadow-md); font-size:13px; font-weight:600;
  display:flex; align-items:center; gap:10px;
  z-index:4;
}
.sticker .ico{
  width:32px; height:32px; border-radius:10px; display:grid; place-items:center;
  background:var(--brand-soft); color:var(--brand-ink); font-weight:800; font-size:16px;
}
.sticker.s1{top:140px; right:-14px; animation: floaty 6s ease-in-out infinite; animation-delay:.8s}
.sticker.s2{bottom:40px; right:260px; animation: floaty 6.5s ease-in-out infinite; animation-delay:1.2s}
.sticker.s2 .ico{background:var(--sec-soft); color:var(--sec)}

@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-stage{height:560px; margin-top:20px}
  .phone{right:20px; top:0; width:270px; height:540px}
  .mascot-hero{width:260px; left:-10px}
  .speech{left:160px; top:20px; font-size:12px}
  .sticker.s2{right:200px}
}

/* MARQUEE */
.subjects{
  padding:26px 0;
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.marquee{display:flex; gap:48px; animation: scroll 45s linear infinite; white-space:nowrap; width:max-content}
.mq-item{font-family:'Unbounded'; font-weight:600; color:var(--ink-2); font-size:18px; display:inline-flex; align-items:center; gap:48px}
.mq-item::after{content:""; width:6px; height:6px; border-radius:50%; background:var(--brand)}
@keyframes scroll{from{transform:translateX(0)} to{transform:translateX(-50%)}}

/* Section head */
.sec-head{text-align:center; max-width:720px; margin:0 auto 56px}
.tag{
  display:inline-block; padding:6px 14px; border-radius:999px;
  background:var(--brand-soft); color:var(--brand-ink); font-size:11.5px; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
}
.sec-head h2{font-size:clamp(32px, 4.2vw, 52px); line-height:1.08; margin:18px 0 14px}
.sec-head p{color:var(--ink-2); font-size:17px; line-height:1.6}

/* PROBLEM */
.problem{padding:120px 0 100px; background: linear-gradient(180deg, #FFF4DC 0%, var(--bg-warm) 100%)}
.prob-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px}
.prob-card{
  position:relative; padding:30px 26px 28px; background:var(--surface);
  border-radius:var(--radius); border:1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .4s cubic-bezier(.22,1,.36,1), box-shadow .4s, border-color .3s;
  overflow:hidden;
}
.prob-card:hover{transform:translateY(-8px); box-shadow: var(--shadow-lg); border-color:var(--brand-soft)}
.prob-card .num{
  position:absolute; top:20px; right:24px;
  font-family:'Unbounded'; font-weight:800; color:var(--brand);
  font-size:52px; line-height:1; opacity:.16;
}
.prob-mascot-wrap{
  width:130px; height:130px; margin-bottom:12px;
  background:linear-gradient(160deg, var(--bg) 0%, var(--bg-warm) 100%);
  border-radius:20px;
  display:grid; place-items:center; overflow:hidden;
  position:relative;
}
.prob-mascot-wrap::after{
  content:""; position:absolute; inset:-20%; background: radial-gradient(circle at 50% 60%, rgba(223,153,91,.18), transparent 60%);
}
.prob-mascot{width:108px; height:108px; object-fit:contain; position:relative; z-index:1}
.prob-card h3{font-size:22px; margin-bottom:10px}
.prob-card p{color:var(--ink-2); font-size:15px; line-height:1.55}
.prob-card .chip{
  display:inline-flex; align-items:center; gap:6px;
  margin-top:18px; padding:7px 12px;
  background:var(--bg); border-radius:999px; font-size:12px; font-weight:600; color:var(--ink-2);
}
.prob-card .chip .d{width:6px; height:6px; border-radius:50%; background:var(--brand)}
@media (max-width:860px){.prob-grid{grid-template-columns:1fr}}

/* transitions */
.prob-transition{
  margin-top:72px; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:14px;
}
.prob-transition .arrow{
  width:40px; height:40px; border-radius:50%; background:var(--surface);
  display:grid; place-items:center; color:var(--brand);
  box-shadow:var(--shadow-sm);
  animation: bob 2s ease-in-out infinite;
}
.prob-transition .txt{font-family:'Unbounded'; font-size:15px; color:var(--ink-2); font-weight:500}
.prob-transition .txt b{color:var(--brand-ink)}
@keyframes bob{0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)}}
