/* =========================================================
   Tokens (BOOKIIBOOKII)
   ========================================================= */
:root{
  --main:#FF7618; --main-105:#FFC9A4; --main-pale:#FFEADB;
  --sub:#37AAFF;  --sub-105:#9CD5FF;  --sub-pale:#D4EDFF;
  --black:#100F0E;
  --g900:#242322; --g800:#42413F; --g700:#5E5D5B; --g600:#72716F;
  --g500:#858481; --g400:#A4A3A0; --g300:#C6C5C2; --g200:#E2E1DF;
  --g100:#F4F3F1; --white:#FFFFFF;
  --font:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
         "Apple SD Gothic Neo","Noto Sans KR", system-ui, sans-serif;
  --tracking:-0.01em;
  --leading:1.4;
  --r-md:16px; --r-lg:20px; --r-xl:24px; --r-pill:100px;
  --shadow-sm:0 1px 2px rgba(16,15,14,0.04);
  --shadow-md:0 4px 12px rgba(16,15,14,0.06);
  --shadow-lg:0 8px 24px rgba(16,15,14,0.08);
}

/* =========================================================
   Reset
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  letter-spacing:var(--tracking);
  line-height:var(--leading);
  color:var(--g900);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"ss06" on;
}
img{max-width:100%;display:block}
button{font-family:inherit;letter-spacing:inherit}
a{color:inherit;text-decoration:none}

/* =========================================================
   Section frame
   ========================================================= */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
section{position:relative}
.section-pad{padding:120px 0}

/* Type helpers */
.eyebrow{
  font:600 12px/1.4 var(--font);
  letter-spacing:0.12em;
  color:var(--main);
  text-transform:uppercase;
  margin:0 0 16px;
}
.h2{
  font:700 40px/1.25 var(--font);
  letter-spacing:-0.02em;
  color:var(--g900);
  margin:0 0 16px;
  text-wrap:balance;
  white-space:pre-line;
}
.lead{
  font:400 17px/1.6 var(--font);
  letter-spacing:var(--tracking);
  color:var(--g700);
  margin:0;
  white-space:pre-line;
}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s cubic-bezier(.2,.7,.2,1), transform .65s cubic-bezier(.2,.7,.2,1)}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}
.reveal.d5{transition-delay:.40s}

/* =========================================================
   NAV
   ========================================================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:68px;
  display:flex;align-items:center;
  background:rgba(255,255,255,0);
  border-bottom:1px solid transparent;
  transition:background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.nav.scrolled{
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--g200);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{
  display:flex;align-items:center;gap:10px;
  font:800 19px/1 var(--font);
  letter-spacing:-0.02em;
  color:var(--main);
}
.brand .wordmark{
  height:22px;width:auto;display:block;
}
.nav-links{
  display:flex;gap:36px;
  font:500 15px/1 var(--font);
  letter-spacing:var(--tracking);
  color:var(--g700);
}
.nav-links a{transition:color .15s ease;padding:8px 0;position:relative}
.nav-links a:hover{color:var(--main)}
.cta-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--main);color:white;
  font:600 14px/1 var(--font);letter-spacing:var(--tracking);
  padding:11px 20px;border-radius:var(--r-pill);
  border:none;cursor:pointer;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow:0 2px 8px rgba(255,118,24,0.20);
}
.cta-pill:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,118,24,0.28)}
.cta-pill:active{transform:scale(0.98)}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  min-height:100vh;
  padding:120px 0 96px;
  display:flex;align-items:center;
  position:relative;overflow:hidden;
  background:
    radial-gradient(60% 50% at 85% 10%, rgba(255,118,24,0.18) 0%, transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(55,170,255,0.14) 0%, transparent 60%),
    linear-gradient(180deg, var(--main-pale) 0%, rgba(255,234,219,0) 60%, var(--white) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:64px;
  align-items:center;width:100%;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr 1fr;gap:48px}
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--white);color:var(--main);
  border:1px solid var(--main);
  font:600 13px/1.2 var(--font);letter-spacing:var(--tracking);
  padding:8px 14px;border-radius:var(--r-pill);
}
.h1{
  font:700 56px/1.18 var(--font);
  letter-spacing:-0.03em;
  color:var(--g900);
  margin:20px 0 24px;
  text-wrap:balance;
}
.h1 .accent{color:var(--main)}
.h1 br{display:block}
.hero-body{
  font:400 18px/1.65 var(--font);
  letter-spacing:var(--tracking);
  color:var(--g700);
  margin:0 0 36px;
  white-space:pre-line;
  max-width:520px;
}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:600 16px/1 var(--font);letter-spacing:var(--tracking);
  padding:18px 28px;border-radius:var(--r-pill);
  cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn-primary{
  background:var(--main);color:white;
  box-shadow:0 4px 14px rgba(255,118,24,0.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,118,24,0.30)}
.btn-secondary{
  background:var(--white);color:var(--g900);border-color:var(--g200);
}
.btn-secondary:hover{transform:translateY(-2px);border-color:var(--g400);box-shadow:var(--shadow-md)}
.btn:active{transform:scale(0.98)}

/* hero stats */
.hero-stats{
  display:flex;gap:32px;margin-top:48px;
  padding-top:32px;border-top:1px solid rgba(16,15,14,0.08);
  max-width:520px;
}
.stat-num{font:700 28px/1.2 var(--font);letter-spacing:-0.02em;color:var(--g900)}
.stat-label{font:500 13px/1.4 var(--font);color:var(--g600);margin-top:2px}

/* =========================================================
   PHONE MOCKUPS
   ========================================================= */
.phones{
  position:relative;
  display:flex;align-items:flex-start;justify-content:center;
  min-height:520px;
  isolation:isolate;
}
.phone{
  background:black;border-radius:36px;padding:6px;
  box-shadow:0 30px 60px -20px rgba(16,15,14,0.25), 0 10px 20px -10px rgba(16,15,14,0.15);
  position:relative;flex-shrink:0;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.phone-inner{
  background:white;border-radius:30px;overflow:hidden;
  width:100%;height:100%;position:relative;
  display:flex;flex-direction:column;
}
.phone-main{width:240px;height:480px;z-index:2}
.phone-side{
  width:200px;height:400px;
  position:absolute;top:80px;opacity:0.92;
  filter:saturate(0.95);
}
.phone-left{left:0;transform:rotate(-4deg)}
.phone-right{right:0;transform:rotate(4deg)}
.phones:hover .phone-main{transform:translateY(-6px)}

/* Phone screen content */
.scr{
  flex:1;display:flex;flex-direction:column;
  background:var(--g100);font-size:11px;
  overflow:hidden;
}
.status-bar{
  height:22px;padding:0 14px;
  display:flex;align-items:center;justify-content:space-between;
  font:600 10px/1 var(--font);color:var(--g900);
  background:white;flex-shrink:0;
}
.status-bar .dots{display:flex;gap:3px}
.status-bar .dots i{width:8px;height:4px;background:var(--g900);border-radius:1px}
.app-header{
  height:40px;padding:0 14px;
  display:flex;align-items:center;justify-content:space-between;
  background:white;border-bottom:1px solid var(--g200);
  font:500 12px/1 var(--font);color:var(--g900);
  flex-shrink:0;
}
.app-header .avatar{width:24px;height:24px;border-radius:50%;background:var(--g200)}
.app-header .bell{width:18px;height:18px;border-radius:4px;background:var(--g200)}

/* Mini home cards */
.greeting{padding:12px 14px 8px;background:white}
.greeting .g1{font:500 13px/1.3 var(--font);color:var(--g900)}
.greeting .g1 .b{color:var(--main);font-weight:600}
.search-bar{
  margin:4px 14px 12px;padding:7px 12px;
  border:1px solid var(--g200);border-radius:100px;
  background:white;display:flex;align-items:center;gap:6px;
  font:400 10px/1 var(--font);color:var(--g500);
}
.search-bar .dot{width:14px;height:14px;border-radius:50%;background:var(--g300);margin-left:auto}
.tabs{
  display:flex;gap:14px;padding:0 14px;
  border-bottom:1px solid var(--g200);background:white;
  font:500 11px/1 var(--font);color:var(--g400);
}
.tabs span{padding:9px 0;display:inline-block}
.tabs span.on{color:var(--main);font-weight:600;border-bottom:2px solid var(--main);margin-bottom:-1px}
.section-title{
  padding:14px 14px 8px;background:white;
  font:500 13px/1.3 var(--font);color:var(--g900);
}
.section-title small{display:block;font:400 10px/1.3 var(--font);color:var(--g500);margin-top:2px}
.cards-row{
  display:flex;gap:8px;padding:8px 14px 14px;
  background:white;overflow:hidden;
}
.mini-card{
  flex:1;min-width:0;
  background:white;border:1px solid var(--g200);border-radius:12px;
  padding:8px;
}
.mini-cover{
  width:100%;height:64px;border-radius:6px;
  background:linear-gradient(160deg,#1B2440,#0E1530);
  margin-bottom:6px;
  display:flex;align-items:center;justify-content:center;
  font:700 8px/1.1 var(--font);color:white;text-align:center;padding:6px;
}
.mini-cover.warm{background:linear-gradient(160deg,#C13B2B,#8a2418)}
.mini-cover.cream{background:linear-gradient(160deg,#E8DFCF,#D9CBB0);color:var(--g900)}
.mini-cover.green{background:linear-gradient(160deg,#2E5642,#1F3D2E)}
.mini-card .t{font:600 10px/1.2 var(--font);color:var(--g900);margin-bottom:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-card .a{font:400 9px/1.2 var(--font);color:var(--g500)}
.mini-card .chip{
  display:inline-block;margin-top:5px;
  font:600 8px/1 var(--font);padding:3px 6px;border-radius:100px;
  background:var(--main-pale);color:var(--main);
}
.mini-card .chip.sub{background:var(--sub-pale);color:var(--sub)}

/* Floating tab bar inside phone */
.tab-bar{
  position:absolute;bottom:10px;left:50%;transform:translateX(-50%);
  background:white;border-radius:100px;
  border:1px solid var(--g100);
  box-shadow:0 6px 18px rgba(16,15,14,0.12);
  padding:5px;display:flex;gap:2px;
  z-index:5;
}
.tab-bar .t{
  width:42px;height:36px;border-radius:100px;
  display:flex;align-items:center;justify-content:center;
  font:600 9px/1 var(--font);color:var(--g500);
}
.tab-bar .t.on{background:var(--g100);color:var(--g900)}
.tab-bar .t span{
  width:14px;height:14px;border-radius:3px;background:currentColor;opacity:0.85;
  position:relative;
}

/* notification pill that floats over phone */
.notif{
  position:absolute;left:50%;transform:translateX(-50%);
  top:-14px;
  background:white;border-radius:14px;
  border:1px solid var(--g200);
  box-shadow:var(--shadow-lg);
  padding:10px 14px;
  display:flex;align-items:center;gap:10px;
  font:500 12px/1.3 var(--font);color:var(--g900);
  white-space:nowrap;
  z-index:6;
}
.notif .dot{width:8px;height:8px;border-radius:50%;background:var(--main)}
.notif .meta{font:400 10px/1 var(--font);color:var(--g500);margin-top:2px}

/* Side phone simplified content */
.side-content{
  flex:1;padding:14px 12px;background:white;
  display:flex;flex-direction:column;gap:8px;
  overflow:hidden;
}
.bookshelf{
  display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
  margin-top:4px;
}
.spine{
  height:60px;border-radius:4px;
  display:flex;flex-direction:column;justify-content:flex-end;padding:4px;
  font:700 6px/1 var(--font);color:white;
}
.s1{background:linear-gradient(180deg,#1B2440,#0E1530)}
.s2{background:linear-gradient(180deg,#C13B2B,#8a2418)}
.s3{background:linear-gradient(180deg,#2E5642,#1F3D2E);color:#F5D17C}
.s4{background:linear-gradient(180deg,#E8DFCF,#D9CBB0);color:var(--g900)}
.s5{background:linear-gradient(180deg,#807241,#5E5524);color:#F5EDD3}
.s6{background:linear-gradient(180deg,var(--main-pale),var(--main-105));color:var(--g900)}

/* recommendation phone */
.rec-card{
  background:white;border:1px solid var(--g200);border-radius:12px;
  padding:8px;display:flex;gap:8px;align-items:center;
}
.rec-cover{width:36px;height:50px;border-radius:4px;flex-shrink:0}
.rec-card .t{font:600 10px/1.2 var(--font);color:var(--g900);margin-bottom:2px}
.rec-card .a{font:400 9px/1.2 var(--font);color:var(--g500)}
.rec-card .chip{display:inline-block;margin-top:4px;font:600 8px/1 var(--font);padding:3px 6px;border-radius:100px;background:var(--g100);color:var(--g700)}

/* =========================================================
   WHY 부키부키
   ========================================================= */
.why{background:var(--g100)}
.why-header{text-align:center;margin-bottom:64px}
.why-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.why-card{
  background:white;border:1px solid var(--g200);
  border-radius:var(--r-lg);padding:32px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.why-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:var(--g300);
}
.why-icon{
  width:60px;height:60px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:24px;
}
.why-icon.warm{background:var(--main-pale)}
.why-icon.cool{background:var(--sub-pale)}
.why-icon svg{width:30px;height:30px}
.why-icon.warm svg{color:var(--main)}
.why-icon.cool svg{color:var(--sub)}
.why-card h3{
  font:700 22px/1.35 var(--font);letter-spacing:-0.02em;
  color:var(--g900);margin:0 0 12px;
}
.why-card p{
  font:400 15px/1.65 var(--font);letter-spacing:var(--tracking);
  color:var(--g700);margin:0;
}

/* =========================================================
   FEATURES
   ========================================================= */
.features{background:white}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:80px;
  align-items:center;
  margin-bottom:160px;
}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse > .feature-visual{order:-1}
.feature-text .eyebrow{margin-bottom:14px}
.feature-text h2{
  font:700 32px/1.3 var(--font);letter-spacing:-0.02em;
  color:var(--g900);margin:0 0 20px;
  white-space:pre-line;text-wrap:balance;
}
.feature-text p{
  font:400 17px/1.7 var(--font);letter-spacing:var(--tracking);
  color:var(--g700);margin:0 0 28px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:4px;
  font:500 13px/1.2 var(--font);letter-spacing:var(--tracking);
  padding:7px 12px;border-radius:var(--r-pill);
  background:var(--g100);color:var(--g700);
}
.chip.warm{background:var(--main-pale);color:var(--main)}
.chip.cool{background:var(--sub-pale);color:var(--sub)}

/* Feature visual base */
.feature-visual{
  background:var(--g100);border-radius:var(--r-xl);
  padding:40px;
  position:relative;
  min-height:420px;
  transition:transform .35s ease, box-shadow .35s ease;
}
.feature-visual:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

/* Feature 1 — Group card mockup */
.group-card{
  background:white;border:1px solid var(--g200);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--shadow-sm);
  max-width:380px;margin:0 auto;
}
.group-card .head{display:flex;gap:16px;align-items:flex-start}
.book-cover{
  width:80px;height:114px;border-radius:6px;flex-shrink:0;
  background:linear-gradient(160deg, var(--main-pale) 0%, var(--main-105) 100%);
  color:var(--g900);
  padding:10px 8px;
  display:flex;flex-direction:column;
  font:700 11px/1.2 var(--font);letter-spacing:-0.02em;
  box-shadow:0 2px 6px rgba(16,15,14,0.10);
  border:1px solid rgba(16,15,14,0.04);
}
.book-cover .bc-author{font:500 9px/1.2 var(--font);margin-top:auto;opacity:0.7}
.group-card .info{flex:1;min-width:0}
.group-card .gname{font:600 16px/1.35 var(--font);color:var(--g900);margin:0 0 4px}
.group-card .gmeta{font:400 13px/1.4 var(--font);color:var(--g500);margin:0 0 10px}
.group-card .gchips{display:flex;gap:6px;flex-wrap:wrap}
.group-card hr{margin:18px 0;border:none;border-top:1px solid var(--g200)}
.req-row{display:flex;align-items:center;gap:10px}
.avatar-pill{width:34px;height:34px;border-radius:50%;background:var(--main-pale);display:flex;align-items:center;justify-content:center;font:700 13px/1 var(--font);color:var(--main);flex-shrink:0}
.req-row .name{font:600 14px/1.3 var(--font);color:var(--g900)}
.req-row .sub{font:400 12px/1.3 var(--font);color:var(--g500)}
.req-row .actions{margin-left:auto;display:flex;gap:6px}
.btn-mini{
  font:600 13px/1 var(--font);letter-spacing:var(--tracking);
  padding:9px 16px;border-radius:var(--r-pill);
  border:none;cursor:pointer;
}
.btn-mini.main{background:var(--main);color:white}
.btn-mini.stroke{background:white;color:var(--g700);border:1px solid var(--g200)}
.f-deco-pill{
  position:absolute;font:500 12px/1.2 var(--font);
  background:white;border:1px solid var(--g200);border-radius:100px;
  padding:6px 12px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:6px;color:var(--g700);
}
.f-deco-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--main)}

/* Feature 2 — Tracker */
.tracker{
  background:white;border:1px solid var(--g200);border-radius:var(--r-md);
  padding:24px;max-width:380px;margin:0 auto;
}
.tracker h4{
  font:600 14px/1.3 var(--font);color:var(--g500);margin:0 0 4px;
  letter-spacing:var(--tracking);
}
.tracker .book{
  font:600 18px/1.35 var(--font);color:var(--g900);margin:0 0 20px;
}
.steps{display:flex;flex-direction:column;gap:0;position:relative}
.step{
  display:flex;align-items:flex-start;gap:14px;
  position:relative;padding:10px 0;
}
.step:not(:last-child)::after{
  content:"";position:absolute;
  left:14px;top:38px;bottom:-10px;
  width:2px;background:var(--g200);
}
.step.done:not(:last-child)::after{background:var(--g300)}
.step-num{
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font:700 13px/1 var(--font);letter-spacing:-0.02em;
  flex-shrink:0;
  background:var(--g200);color:var(--g500);border:1px solid var(--g200);
}
.step.done .step-num{background:var(--g300);color:white}
.step.done .step-num svg{width:14px;height:14px}
.step.active .step-num{background:var(--main-pale);color:var(--main);border-color:var(--main)}
.step-body{flex:1;padding-top:5px}
.step-title{font:500 15px/1.3 var(--font);color:var(--g900)}
.step.done .step-title{color:var(--g500)}
.step-sub{font:500 13px/1.3 var(--font);color:var(--g500);margin-top:2px}
.step.active .step-sub{color:var(--main);font-weight:600}

/* Feature 3 — Library + Reading card */
.library{
  background:white;border:1px solid var(--g200);border-radius:var(--r-md);
  padding:24px;max-width:420px;margin:0 auto;
}
.shelf-label{
  font:600 13px/1.3 var(--font);color:var(--g500);margin-bottom:12px;
  display:flex;align-items:center;justify-content:space-between;
}
.shelf-label .count{
  font:500 11px/1 var(--font);background:var(--g100);color:var(--g700);
  padding:4px 8px;border-radius:100px;
}
.shelf{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
  padding:16px 14px;
  background:var(--g100);border-radius:var(--r-md);
  border-bottom:6px solid var(--g300);
  margin-bottom:20px;
  position:relative;
}
.shelf::after{
  content:"";position:absolute;bottom:-6px;left:8px;right:8px;height:6px;
  background:var(--g300);border-radius:0 0 4px 4px;
  filter:brightness(0.92);
}
.spine-tall{
  height:120px;border-radius:3px 3px 4px 4px;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:8px 6px;
  font:700 9px/1.15 var(--font);letter-spacing:-0.02em;
  color:white;text-align:center;
  box-shadow:inset -2px 0 0 rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.08);
}
.spine-tall .sp-author{font:500 7px/1 var(--font);opacity:0.75}

.reading-card{
  background:linear-gradient(160deg,#FFF8F1,#FFF);
  border:1px solid var(--main-pale);
  border-radius:var(--r-md);
  padding:22px 22px 20px;position:relative;
}
.reading-card .quote{
  position:absolute;top:8px;left:14px;
  font:700 56px/1 Georgia, "Times New Roman", serif;
  color:var(--main-pale);
}
.reading-card .q-text{
  font:500 15px/1.6 Georgia, "Times New Roman", serif;
  font-style:italic;
  color:var(--g900);
  margin:14px 0 12px;
  position:relative;
}
.reading-card .q-meta{
  font:500 12px/1.3 var(--font);letter-spacing:var(--tracking);
  color:var(--g500);
}
.reading-card .q-meta .div{color:var(--g300);margin:0 6px}

/* =========================================================
   FAQ
   ========================================================= */
.faq{background:var(--g100)}
.faq-header{text-align:center;margin-bottom:48px}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{
  background:white;border:1px solid var(--g200);border-radius:var(--r-md);
  margin-bottom:10px;overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item.open{border-color:var(--main-105);box-shadow:var(--shadow-sm)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;cursor:pointer;
  font:600 16px/1.5 var(--font);letter-spacing:var(--tracking);
  color:var(--g900);
  user-select:none;
}
.faq-q .qmark{
  width:22px;height:22px;border-radius:50%;
  background:var(--main-pale);color:var(--main);
  display:inline-flex;align-items:center;justify-content:center;
  font:700 12px/1 var(--font);flex-shrink:0;
}
.faq-q-text{flex:1}
.faq-plus{
  width:32px;height:32px;border-radius:50%;
  background:var(--g100);color:var(--g700);
  display:inline-flex;align-items:center;justify-content:center;
  font:300 20px/1 var(--font);
  transition:transform .3s ease, background .2s ease, color .2s ease;
  flex-shrink:0;
}
.faq-item.open .faq-plus{
  background:var(--main);color:white;
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{
  padding:0 24px 24px;
  font:400 15px/1.7 var(--font);letter-spacing:var(--tracking);
  color:var(--g700);
}

/* =========================================================
   DOWNLOAD CTA
   ========================================================= */
.dl{
  background:var(--black);color:white;
  text-align:center;
  position:relative;overflow:hidden;
  padding:140px 0;
}
.dl::before{
  content:"";position:absolute;
  left:50%;top:50%;transform:translate(-50%,-50%);
  width:80%;height:120%;
  background:radial-gradient(ellipse at center, rgba(255,118,24,0.30) 0%, rgba(255,118,24,0.10) 30%, transparent 60%);
  pointer-events:none;
}
.dl::after{
  content:"";position:absolute;left:0;top:0;right:0;bottom:0;
  background:
    radial-gradient(40% 30% at 90% 10%, rgba(55,170,255,0.10), transparent 70%),
    radial-gradient(35% 25% at 10% 90%, rgba(255,118,24,0.10), transparent 70%);
  pointer-events:none;
}
.dl .wrap{position:relative;z-index:2}
.dl h2{
  font:700 48px/1.2 var(--font);letter-spacing:-0.03em;
  color:white;margin:0 0 20px;
  white-space:pre-line;text-wrap:balance;
}
.dl h2 .accent{color:var(--main)}
.dl p{
  font:400 17px/1.65 var(--font);letter-spacing:var(--tracking);
  color:rgba(255,255,255,0.55);
  margin:0 0 40px;
  white-space:pre-line;
}
.store-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.store-btn{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.20);
  color:white;text-align:left;
  padding:14px 24px;border-radius:14px;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.store-btn:hover{
  background:rgba(255,255,255,0.18);
  border-color:rgba(255,255,255,0.40);
  transform:translateY(-2px);
}
.store-btn .ic{
  width:32px;height:32px;border-radius:8px;
  background:rgba(255,255,255,0.10);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.store-btn .lbl{font:500 11px/1.2 var(--font);color:rgba(255,255,255,0.65)}
.store-btn .name{font:600 16px/1.2 var(--font);color:white;margin-top:2px}

/* Footer */
.footer{
  background:var(--g900);color:var(--g500);padding:48px 0;
  font:400 13px/1.5 var(--font);letter-spacing:var(--tracking);
}
.footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer .brand{color:white;font-weight:800;font-size:16px}
.footer .left{display:flex;flex-direction:column;gap:4px}
.footer .copyright{color:var(--g500)}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{color:var(--g500);transition:color .15s ease}
.footer-links a:hover{color:white}

/* =========================================================
   RESPONSIVE (≤768px)
   ========================================================= */
@media (max-width:768px){
  .wrap{padding:0 20px}
  .section-pad{padding:64px 0}
  .nav-links{display:none}
  .h1{font-size:36px;line-height:1.2}
  .h2{font-size:28px}
  .feature-text h2{font-size:26px}
  .lead{font-size:16px}
  .hero{padding:96px 24px 64px;min-height:auto}
  .hero-grid{gap:48px}
  .hero-body{font-size:16px;margin-bottom:28px}
  .hero-stats{gap:20px;margin-top:32px;padding-top:24px}
  .stat-num{font-size:22px}
  .phone-side{display:none}
  .phones{min-height:auto;justify-content:center}
  .phone-main{width:220px;height:440px}
  .why-grid{grid-template-columns:1fr;gap:16px}
  .why-card{padding:28px}
  .feature-row{
    grid-template-columns:1fr;
    gap:36px;margin-bottom:80px;
  }
  .feature-row.reverse > .feature-visual{order:0}
  .feature-visual{padding:28px;min-height:auto}
  .dl{padding:80px 0}
  .dl h2{font-size:32px}
  .store-row{flex-direction:column;align-items:stretch}
  .store-btn{width:100%}
  .footer .wrap{flex-direction:column;align-items:center;text-align:center}
  .footer .left{align-items:center}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a-inner{padding:0 20px 20px;font-size:14px}
  .demo-phone{width:260px}
  .demo-phone-inner{height:520px}
  .demo-tabs{gap:6px}
  .demo-tab{padding:8px 16px;font-size:13px}
}

/* =========================================================
   DEMO SECTION
   ========================================================= */

.demo-header{text-align:center;max-width:560px;margin:0 auto 48px}

/* Tab switcher */
.demo-tabs{
  display:flex;justify-content:center;gap:8px;
  margin-bottom:48px;flex-wrap:wrap;
}
.demo-tab{
  padding:10px 22px;border-radius:var(--r-pill);
  border:1.5px solid var(--g200);background:var(--white);
  font:500 14px/1 var(--font);color:var(--g600);
  cursor:pointer;transition:all .2s;
}
.demo-tab:hover{border-color:var(--main);color:var(--main)}
.demo-tab.active{
  background:var(--main);border-color:var(--main);
  color:var(--white);
}

/* Stage */
.demo-stage{
  display:flex;flex-direction:column;
  align-items:center;gap:24px;
}

/* Phone frame */
.demo-phone{
  width:280px;
  background:var(--black);
  border-radius:40px;
  padding:10px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 32px 64px rgba(16,15,14,0.18);
}
.demo-phone-inner{
  background:var(--white);
  border-radius:32px;
  overflow:hidden;
  display:flex;flex-direction:column;
  height:560px;
  position:relative;
}

/* Status bar */
.demo-status-bar{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px 6px;
  font:600 11px/1 var(--font);color:var(--g900);
  background:var(--white);flex-shrink:0;
}
.demo-status-bar .demo-dots{display:flex;gap:3px}
.demo-status-bar .demo-dots i{
  width:5px;height:5px;border-radius:50%;
  background:var(--g400);display:block;
}

/* Screen area */
.demo-screen-wrap{
  flex:1;overflow:hidden;position:relative;
}
.demo-screen{
  position:absolute;inset:0;
  overflow-y:auto;overflow-x:hidden;
  background:var(--white);
  transition:opacity .25s ease, transform .25s ease;
  opacity:1;transform:translateX(0);
}
.demo-screen.exit-left{opacity:0;transform:translateX(-24px)}
.demo-screen.exit-right{opacity:0;transform:translateX(24px)}
.demo-screen.enter-left{opacity:0;transform:translateX(24px)}
.demo-screen.enter-right{opacity:0;transform:translateX(-24px)}

/* Bottom tab bar */
.demo-tabbar{
  display:flex;justify-content:space-around;align-items:center;
  padding:10px 24px 14px;
  border-top:1px solid var(--g200);
  background:var(--white);flex-shrink:0;
}
.demo-tb{
  width:32px;height:32px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
}
.demo-tb span{
  display:block;width:20px;height:3px;
  border-radius:2px;background:var(--g300);
}
.demo-tb.active span{background:var(--main)}

/* Controls */
.demo-controls{
  display:flex;align-items:center;gap:16px;
}
.demo-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--g200);background:var(--white);
  font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s;
}
.demo-arrow:hover{border-color:var(--main);color:var(--main)}
.demo-arrow:disabled{opacity:.3;cursor:default}
.demo-dots-row{display:flex;gap:6px;align-items:center}
.demo-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--g300);transition:all .2s;
}
.demo-dot.active{
  background:var(--main);
  width:20px;border-radius:3px;
}

/* Step label */
.demo-step-label{
  font:500 13px/1 var(--font);
  color:var(--g500);
  text-align:center;
  min-height:18px;
}

/* Screen inner components */
.ds-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px 8px;
  border-bottom:1px solid var(--g100);
  font:600 13px/1 var(--font);color:var(--g900);
  position:sticky;top:0;background:var(--white);z-index:1;
}
.ds-avatar{
  width:26px;height:26px;border-radius:50%;
  background:var(--main-pale);border:1.5px solid var(--main-105);
  flex-shrink:0;
}
.ds-back{
  font:500 12px/1 var(--font);color:var(--main);
  display:flex;align-items:center;gap:4px;
}
.ds-back::before{content:"←";font-size:14px}
.ds-section{
  padding:12px 14px 4px;
  font:600 11px/1 var(--font);color:var(--g500);
}
.ds-card{
  margin:8px 14px;
  background:var(--g100);
  border-radius:12px;padding:12px;
}
.ds-book-row{
  display:flex;gap:10px;align-items:flex-start;
  margin:8px 14px;
}
.ds-cover{
  width:44px;height:62px;border-radius:6px;flex-shrink:0;
}
.ds-book-info .title{font:600 12px/1.3 var(--font);color:var(--g900)}
.ds-book-info .author{font:400 10px/1 var(--font);color:var(--g500);margin-top:3px}
.ds-chip{
  display:inline-block;
  font:600 10px/1 var(--font);
  padding:3px 8px;border-radius:var(--r-pill);margin-top:5px;
}
.ds-chip.warm{background:var(--main-pale);color:var(--main)}
.ds-chip.cool{background:var(--sub-pale);color:var(--sub)}
.ds-chip.grey{background:var(--g200);color:var(--g700)}
.ds-chip.green{background:#D1FAE5;color:#065F46}
.ds-btn{
  display:block;width:calc(100% - 28px);
  margin:10px 14px;padding:12px;
  border-radius:var(--r-pill);border:none;
  font:600 13px/1 var(--font);cursor:pointer;
  font-family:var(--font);
}
.ds-btn.primary{background:var(--main);color:var(--white)}
.ds-btn.stroke{background:var(--white);color:var(--main);border:1.5px solid var(--main)}
.ds-divider{height:8px;background:var(--g100);margin:8px 0}
.ds-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px;
}
.ds-label{font:400 12px/1 var(--font);color:var(--g700)}
.ds-value{font:500 12px/1 var(--font);color:var(--g900)}
.ds-input-row{
  margin:6px 14px;
  background:var(--g100);border-radius:10px;
  padding:10px 12px;
  font:400 11px/1 var(--font);color:var(--g500);
  border:1px solid var(--g200);
}
.ds-step-row{
  display:flex;gap:10px;align-items:flex-start;
  padding:8px 14px;
}
.ds-step-num{
  width:24px;height:24px;border-radius:50%;
  background:var(--g200);color:var(--g500);
  font:700 10px/1 var(--font);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;margin-top:1px;
}
.ds-step-num.done{background:var(--g300);color:var(--white)}
.ds-step-num.active{background:var(--main);color:var(--white)}
.ds-step-body .sl{font:600 12px/1 var(--font);color:var(--g900)}
.ds-step-body .sl.active{color:var(--main)}
.ds-step-body .ss{font:400 10px/1 var(--font);color:var(--g500);margin-top:3px}
.ds-connector{width:2px;height:12px;background:var(--g200);margin:0 auto 0 22px}
.ds-shelf{
  display:flex;gap:6px;align-items:flex-end;
  padding:8px 14px;overflow-x:auto;
}
.ds-spine{
  width:36px;border-radius:4px 4px 0 0;
  padding:6px 4px;
  display:flex;flex-direction:column;justify-content:space-between;
  flex-shrink:0;
}
.ds-spine .st{font:600 8px/1.2 var(--font);color:rgba(255,255,255,0.9);word-break:keep-all}
.ds-spine .sa{font:400 7px/1 var(--font);color:rgba(255,255,255,0.6);margin-top:auto;padding-top:4px}
.ds-quote-card{
  margin:8px 14px;
  background:linear-gradient(160deg,#FFF8F1,#FFF);
  border:1px solid var(--main-pale);border-radius:10px;
  padding:12px;position:relative;
}
.ds-quote-card .qm{
  position:absolute;top:-2px;left:8px;
  font:700 28px/1 Georgia,serif;color:var(--main-pale);
}
.ds-quote-card .qt{
  font:500 10px/1.5 Georgia,serif;font-style:italic;
  color:var(--g900);margin-top:8px;
}
.ds-quote-card .qmeta{
  font:500 9px/1 var(--font);color:var(--g500);margin-top:6px;
}
.ds-profile-card{
  margin:8px 14px;
  background:var(--g100);border-radius:12px;padding:14px;
  display:flex;gap:10px;align-items:center;
}
.ds-avatar-lg{
  width:44px;height:44px;border-radius:50%;
  background:var(--main-pale);border:2px solid var(--main-105);
  flex-shrink:0;
}
.ds-name{font:600 13px/1 var(--font);color:var(--g900)}
.ds-handle{font:400 11px/1 var(--font);color:var(--g500);margin-top:3px}
.ds-stats-row{
  display:flex;gap:0;
  margin:8px 14px;
  background:var(--white);border:1px solid var(--g200);border-radius:12px;overflow:hidden;
}
.ds-stat{
  flex:1;padding:10px 8px;text-align:center;
  border-right:1px solid var(--g200);
}
.ds-stat:last-child{border-right:none}
.ds-stat .sn{font:700 15px/1 var(--font);color:var(--g900)}
.ds-stat .sl2{font:400 9px/1 var(--font);color:var(--g500);margin-top:4px}
.ds-review-card{
  margin:6px 14px;
  background:var(--white);border:1px solid var(--g200);
  border-radius:10px;padding:10px 12px;
}
.ds-review-card .rname{font:600 11px/1 var(--font);color:var(--g900)}
.ds-review-card .rtext{font:400 10px/1.5 var(--font);color:var(--g700);margin-top:4px}
.ds-stars{color:var(--main);font-size:10px;margin-top:3px}
.ds-tag-row{
  display:flex;flex-wrap:wrap;gap:5px;padding:6px 14px;
}