/* ==========================================================================
   TOPEDUPREP — Notebook Design System
   Palette: Forest Green / Sky Blue / Mustard (참고: 손그림 저널 앱)
   Ink: 하나의 포레스트그린 잉크컬러를 배경 명도에 따라 반전
   Type: Gaegu(손글�씨, 헤드라인) + Pretendard(가독성, 본문/표)
   ========================================================================== */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css');
@import url('https://fonts.googleapis.com/css2?family=Gaegu:wght@400;700&family=Nanum+Pen+Script&display=swap');

:root{
  /* Color */
  --forest:#0F3D2E;
  --forest-deep:#0A2B20;
  --cream:#F6F0DC;
  --sky:#8FD3F0;
  --sky-deep:#5FB8DE;
  --mustard:#F2C230;
  --mustard-deep:#E0AC18;
  --coral:#F0805F;
  --paper:#FBF8F0;
  --paper-dim:#F1EAD5;
  --ink:#17352A;
  --ink-soft:#4C5B52;
  --line:#DCD4B8;
  --white:#FFFFFF;

  --f-hand:'Gaegu','Nanum Pen Script', sans-serif;
  --f-body:'PretendardVariable','Pretendard',-apple-system,sans-serif;

  --maxw:1220px;
  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:10px;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--f-body);background:var(--paper);color:var(--ink);
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--f-hand);margin:0;line-height:1.28;font-weight:700;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;background:none;border:none;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--f-hand);
  font-size:16px;font-weight:700;color:var(--coral);margin-bottom:14px;
}
.eyebrow::before{content:"✎";font-size:15px;}

/* ---------- Doodle icon base ---------- */
.doodle{stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- Nav (floating pill) ---------- */
.nav-shell{position:sticky;top:14px;z-index:100;padding:0 16px;}
.nav{
  max-width:var(--maxw);margin:0 auto;
  background:rgba(251,248,240,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1.5px solid var(--ink);border-radius:99px;
  box-shadow:0 6px 0 rgba(23,53,42,.08);
}
.nav-inner{padding:0 10px 0 22px;display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--f-hand);font-weight:700;font-size:21px;color:var(--forest);}
.brand .mark{
  width:32px;height:32px;border-radius:50%;background:var(--forest);color:var(--cream);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-hand);font-weight:700;font-size:15px;
  transform:rotate(-6deg);
}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  padding:9px 15px;border-radius:99px;font-size:14.5px;font-weight:600;color:var(--ink-soft);
  transition:background .2s var(--ease),color .2s var(--ease);white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{background:var(--forest);color:var(--cream);}
.nav-cta{
  background:var(--coral);color:var(--white)!important;padding:10px 20px!important;border-radius:99px;
  font-weight:700!important;font-family:var(--f-hand);font-size:16px!important;margin-left:6px;
  border:1.5px solid var(--ink);
}
.nav-toggle{display:none;padding:8px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--forest);margin:5px 0;border-radius:2px;}

@media (max-width:940px){
  .nav-shell{top:0;padding:0;}
  .nav{border-radius:0;border:none;border-bottom:1.5px solid var(--ink);}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--paper);
    flex-direction:column;align-items:stretch;padding:18px;gap:2px;
    transform:translateX(100%);transition:transform .3s var(--ease);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{padding:16px 14px;font-size:18px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-cta{margin:12px 0 0;text-align:center;border-radius:var(--radius-sm);}
  .nav-toggle{display:block;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:99px;font-weight:700;font-size:16px;font-family:var(--f-hand);
  border:1.5px solid var(--ink);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 4px 0 var(--ink);
}
.btn:hover{transform:translate(0,2px);box-shadow:0 2px 0 var(--ink);}
.btn:active{transform:translate(0,4px);box-shadow:none;}
.btn-coral{background:var(--coral);color:var(--white);}
.btn-forest{background:var(--forest);color:var(--cream);}
.btn-cream{background:var(--cream);color:var(--forest);}
.btn-ghost{background:transparent;color:var(--cream);border-color:rgba(246,240,220,.6);box-shadow:none;}
.btn-ghost:hover{background:rgba(246,240,220,.14);transform:none;}
.btn-ghost-dark{background:transparent;color:var(--forest);box-shadow:none;}
.btn-ghost-dark:hover{background:var(--forest);color:var(--cream);}

/* ---------- Sections ---------- */
section{padding:88px 0;}
.section-forest{background:var(--forest);color:var(--cream);}
.section-dim{background:var(--paper-dim);}
.section-head{max-width:620px;margin:0 auto 52px;text-align:center;}
.section-head h2{font-size:38px;color:var(--forest);}
.section-forest .section-head h2{color:var(--cream);}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--ink-soft);font-family:var(--f-body);}
.section-forest .section-head p{color:rgba(246,240,220,.75);}

/* ---------- Hero ---------- */
.hero{background:var(--forest);color:var(--cream);padding:56px 0 0;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:70px;
  background:var(--paper);border-radius:60px 60px 0 0;
}
.hero-grid{
  max-width:var(--maxw);margin:0 auto;padding:0 28px 96px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;position:relative;z-index:1;
}
.hero-tag{
  display:inline-block;font-family:var(--f-hand);font-size:15px;background:var(--mustard);color:var(--forest);
  padding:6px 16px;border-radius:99px;border:1.5px solid var(--ink);transform:rotate(-2deg);margin-bottom:22px;
}
.hero h1{font-size:50px;color:var(--cream);}
.hero h1 em{font-style:normal;color:var(--mustard);}
.hero-sub{margin-top:20px;font-size:17px;color:rgba(246,240,220,.82);font-family:var(--f-body);max-width:500px;line-height:1.7;}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:30px;margin-top:46px;flex-wrap:wrap;font-family:var(--f-body);}
.hero-stat b{display:block;font-family:var(--f-hand);font-size:28px;color:var(--mustard);}
.hero-stat span{font-size:12.5px;color:rgba(246,240,220,.6);}

/* Signature: notebook check card (replaces dashboard) */
.note-card{
  background:var(--cream);border:1.5px solid var(--ink);border-radius:var(--radius-lg);
  box-shadow:0 10px 0 var(--ink);overflow:hidden;color:var(--forest);
  transform:rotate(2deg);animation:floatUp .9s var(--ease) both;
}
.note-head{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1.5px dashed var(--line);}
.note-head b{font-family:var(--f-hand);font-size:18px;}
.note-head .doodle-mini{width:22px;height:22px;color:var(--coral);}
.note-body{padding:10px 22px 22px;}
.note-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);font-family:var(--f-body);font-size:14.5px;}
.note-row:last-child{border-bottom:none;}
.note-label{display:flex;align-items:center;gap:11px;font-weight:600;}
.note-check{
  width:21px;height:21px;border-radius:6px;border:1.5px solid var(--forest);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.note-check.done{background:var(--forest);color:var(--cream);}
.note-badge{font-family:var(--f-hand);font-size:13px;font-weight:700;padding:3px 11px;border-radius:99px;border:1.3px solid var(--ink);}
.note-badge.on{background:var(--sky);}
.note-badge.soon{background:var(--mustard);}
@keyframes floatUp{from{opacity:0;transform:translateY(24px) rotate(2deg);}to{opacity:1;transform:translateY(0) rotate(2deg);}}

/* ---------- Strip ---------- */
.strip{background:var(--forest-deep);color:var(--cream);padding:13px 0;overflow:hidden;}
.strip-inner{display:flex;gap:44px;white-space:nowrap;animation:scroll 26s linear infinite;font-family:var(--f-hand);font-size:16px;}
.strip:hover .strip-inner{animation-play-state:paused;}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Grid & cards ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--white);border:1.5px solid var(--ink);border-radius:var(--radius-md);
  padding:28px;transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  box-shadow:5px 5px 0 rgba(23,53,42,.12);
}
.card:hover{transform:translate(-2px,-4px);box-shadow:7px 9px 0 rgba(23,53,42,.16);}
.card h3{font-size:20px;margin-bottom:9px;color:var(--forest);}
.card p{color:var(--ink-soft);font-size:14.5px;font-family:var(--f-body);}
.doodle-badge{width:46px;height:46px;color:var(--forest);margin-bottom:16px;}

/* ---------- Journal cards (signature — homage to reference image) ---------- */
.journal-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.journal-card{
  border-radius:32px;border:1.5px solid var(--ink);padding:34px 28px 28px;min-height:400px;
  display:flex;flex-direction:column;position:relative;box-shadow:0 8px 0 var(--ink);
}
.journal-card.c-forest{background:var(--forest);color:var(--cream);}
.journal-card.c-sky{background:var(--sky);color:var(--forest);}
.journal-card.c-mustard{background:var(--mustard);color:var(--forest);}
.journal-top{display:flex;align-items:center;justify-content:space-between;font-family:var(--f-hand);font-size:16px;margin-bottom:8px;}
.journal-doodle{margin:22px 0;height:150px;display:flex;align-items:center;justify-content:center;}
.journal-doodle svg{width:130px;height:130px;}
.journal-text{font-family:var(--f-hand);font-size:18px;line-height:1.55;flex-grow:1;}
.journal-tag{font-family:var(--f-hand);font-size:14px;margin-top:18px;opacity:.75;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.step{
  background:var(--white);border:1.5px solid var(--ink);border-radius:18px;padding:22px 16px;
  box-shadow:4px 4px 0 rgba(23,53,42,.12);
}
.step-num{
  width:38px;height:38px;border-radius:50%;background:var(--coral);color:var(--white);border:1.5px solid var(--ink);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-hand);font-weight:700;font-size:15px;
  margin-bottom:14px;
}
.step h4{font-size:16px;margin-bottom:6px;color:var(--forest);}
.step p{font-size:13px;color:var(--ink-soft);font-family:var(--f-body);}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1.5px solid var(--ink);}
table{width:100%;border-collapse:collapse;background:var(--white);font-size:14.5px;font-family:var(--f-body);}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);}
th{background:var(--paper-dim);font-weight:700;color:var(--forest);font-size:13px;letter-spacing:.02em;}
tr:last-child td{border-bottom:none;}
td strong{color:var(--forest);}

/* ---------- Quote / review cards ---------- */
.quote-card{
  background:var(--white);border:1.5px solid var(--ink);border-radius:var(--radius-md);
  padding:26px;display:flex;flex-direction:column;gap:14px;height:100%;
  box-shadow:5px 5px 0 rgba(23,53,42,.1);
}
.quote-stars{color:var(--coral);font-size:15px;letter-spacing:2px;}
.quote-card p{font-size:15px;color:var(--ink);flex-grow:1;font-family:var(--f-body);}
.quote-meta{display:flex;align-items:center;gap:11px;padding-top:13px;border-top:1px dashed var(--line);}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--sky);color:var(--forest);border:1.5px solid var(--ink);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-hand);font-weight:700;font-size:14px;
}
.quote-name{font-size:13.5px;font-weight:700;color:var(--forest);font-family:var(--f-body);}
.quote-tag{font-size:12px;color:var(--ink-soft);font-family:var(--f-body);}

/* ---------- Teacher card ---------- */
.teacher-card{background:var(--white);border:1.5px solid var(--ink);border-radius:var(--radius-lg);overflow:hidden;box-shadow:6px 6px 0 rgba(23,53,42,.12);}
.teacher-top{background:var(--forest);padding:30px;color:var(--cream);display:flex;align-items:center;gap:16px;}
.teacher-avatar{
  width:54px;height:54px;border-radius:50%;background:var(--mustard);color:var(--forest);border:1.5px solid var(--cream);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-hand);font-weight:700;font-size:21px;flex-shrink:0;
}
.teacher-top h3{color:var(--cream);font-size:19px;}
.teacher-top span{font-size:13px;color:var(--mustard);font-weight:600;font-family:var(--f-body);}
.teacher-body{padding:24px 28px 28px;}
.teacher-body .label{font-family:var(--f-hand);font-size:15px;color:var(--coral);margin:16px 0 7px;}
.teacher-body .label:first-child{margin-top:0;}
.teacher-body p,.teacher-body li{font-size:13.5px;color:var(--ink-soft);font-family:var(--f-body);}
.teacher-body li{padding:4px 0 4px 17px;position:relative;}
.teacher-body li::before{content:"✎";position:absolute;left:0;color:var(--coral);font-size:11px;}

/* ---------- FAQ accordion ---------- */
.faq{border:1.5px solid var(--ink);border-radius:var(--radius-md);background:var(--white);overflow:hidden;box-shadow:5px 5px 0 rgba(23,53,42,.1);}
.faq-item{border-bottom:1.5px dashed var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;text-align:left;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;
  font-family:var(--f-hand);font-size:18px;color:var(--forest);gap:16px;
}
.faq-q .plus{
  width:26px;height:26px;border-radius:50%;border:1.5px solid var(--ink);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:15px;transition:transform .25s var(--ease);
  font-family:var(--f-body);
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--coral);color:var(--white);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.open .faq-a{max-height:260px;}
.faq-a-inner{padding:0 24px 22px;font-size:14.5px;color:var(--ink-soft);font-family:var(--f-body);line-height:1.7;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--forest);border:1.5px solid var(--ink);border-radius:var(--radius-lg);
  padding:52px;text-align:center;color:var(--cream);position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;background:var(--mustard);border-radius:50%;opacity:.18;}
.cta-band h2{color:var(--cream);font-size:30px;margin-bottom:12px;}
.cta-band p{color:rgba(246,240,220,.78);margin-bottom:26px;font-family:var(--f-body);position:relative;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;}

/* ---------- Footer ---------- */
footer{background:var(--forest-deep);color:rgba(246,240,220,.62);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:36px;border-bottom:1px dashed rgba(246,240,220,.2);}
.footer-brand{display:flex;align-items:center;gap:9px;font-family:var(--f-hand);font-weight:700;font-size:20px;color:var(--cream);margin-bottom:12px;}
footer h5{color:var(--cream);font-size:14px;font-family:var(--f-hand);margin-bottom:14px;}
footer a{display:block;font-size:13.5px;padding:5px 0;color:rgba(246,240,220,.62);transition:color .2s;font-family:var(--f-body);}
footer a:hover{color:var(--mustard);}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;font-family:var(--f-body);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- Page hero ---------- */
.page-hero{background:var(--forest);color:var(--cream);padding:58px 0 66px;position:relative;overflow:hidden;}
.page-hero-inner{position:relative;z-index:1;max-width:740px;}
.page-hero h1{color:var(--cream);font-size:38px;}
.page-hero p{margin-top:14px;color:rgba(246,240,220,.78);font-size:16px;font-family:var(--f-body);}
.breadcrumb{font-size:13px;color:rgba(246,240,220,.5);margin-bottom:16px;font-family:var(--f-body);}
.breadcrumb a:hover{color:var(--mustard);}

/* ---------- Utility ---------- */
.pill{display:inline-block;padding:6px 15px;border-radius:99px;background:var(--mustard);color:var(--forest);font-size:13px;font-family:var(--f-hand);border:1.3px solid var(--ink);}
.center{text-align:center;}
.mt-8{margin-top:8px;}
.mt-56{margin-top:52px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.note-box{
  background:var(--sky);border:1.5px solid var(--ink);border-radius:var(--radius-sm);
  padding:19px 22px;font-size:14px;color:var(--forest);font-family:var(--f-body);
}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .journal-row{grid-template-columns:1fr;}
  .hero-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(5,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .hero h1{font-size:36px;}
  .section-head h2{font-size:28px;}
  section{padding:60px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:14px;}
  .two-col{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:34px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .page-hero h1{font-size:30px;}
  .note-card{transform:rotate(0);}
}