/* =============================================
   HANIP — DESIGN TOKENS
   ============================================= */
:root {
  /* Base */
  --off-white:   #F5F3EF;
  --soft-black:  #2D2D2D;
  --mid-gray:    #7A7A7A;
  --white:       #FFFFFF;
  --border:      rgba(45,45,45,0.1);

  /* Line Colors */
  --joint:       #3B6CB5;
  --joint-lite:  #5A85CC;
  --skin:        #E8C84A;
  --gut:         #7AB8D9;
  --calming:     #C9C46A;
  --senior:      #F0E4C8;

  /* CTA */
  --cta:         #3B6CB5;
  --cta-hover:   #2A5090;

  /* Typography */
  --sans:        'Pretendard', 'Noto Sans KR', sans-serif;

  /* Motion */
  --t:           0.26s ease;
}

/* =============================================
   RESET & BASE
   ============================================= */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);color:var(--soft-black);background:var(--off-white);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color var(--t)}
ul{list-style:none}
img,svg{display:block;max-width:100%}
button{cursor:pointer;border:none;background:none;font-family:inherit}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* =============================================
   TYPOGRAPHY HELPERS
   ============================================= */
.eyebrow{
  font-size:.6875rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--mid-gray);margin-bottom:12px;display:block
}
.section-title{
  font-size:clamp(1.75rem,3.5vw,2.8rem);
  font-weight:700;line-height:1.2;
  color:var(--soft-black);margin-bottom:0
}
.body-text{
  font-size:.9375rem;font-weight:400;
  color:var(--mid-gray);line-height:1.85;margin-bottom:16px
}
.h-rule{width:36px;height:2px;background:var(--cta);margin:18px 0 26px}
.h-rule.centered{margin:18px auto 28px}
.section-header{text-align:center;margin-bottom:56px}

/* =============================================
   BUTTONS — sharp corners (radius:0)
   ============================================= */
.btn{
  display:inline-block;padding:14px 32px;
  font-size:.75rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  transition:all var(--t);border-radius:0;cursor:pointer;
  font-family:var(--sans)
}
.btn-primary{background:var(--cta);color:#fff;border:1px solid var(--cta)}
.btn-primary:hover{background:var(--cta-hover);border-color:var(--cta-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(59,108,181,.28)}
.btn-ghost{background:transparent;color:var(--soft-black);border:1px solid var(--soft-black)}
.btn-ghost:hover{background:var(--soft-black);color:#fff}
.btn-white{background:#fff;color:var(--soft-black);border:1px solid #fff}
.btn-white:hover{background:transparent;color:#fff}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-outline-white:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-block{width:100%;text-align:center}

/* Line-specific buttons */
.btn-joint{background:var(--joint);color:#fff;border:1px solid var(--joint)}
.btn-joint:hover{background:var(--joint-lite);border-color:var(--joint-lite);transform:translateY(-1px)}
.btn-skin{background:var(--skin);color:var(--soft-black);border:1px solid var(--skin)}
.btn-skin:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-gut{background:var(--gut);color:#fff;border:1px solid var(--gut)}
.btn-gut:hover{filter:brightness(1.08);transform:translateY(-1px)}

/* =============================================
   NAVIGATION
   ============================================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  transition:background var(--t),box-shadow var(--t)
}
.nav.scrolled{
  background:rgba(245,243,239,.96);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--border)
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:20px 32px;
  display:flex;align-items:center;gap:36px
}
.logo{
  font-size:1.35rem;font-weight:700;color:#fff;
  letter-spacing:.08em;white-space:nowrap;
  transition:color var(--t)
}
.logo span{font-size:.65rem;font-weight:400;letter-spacing:.15em;opacity:.7;display:block;margin-top:-2px}
.nav.scrolled .logo{color:var(--soft-black)}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{
  font-size:.75rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(255,255,255,.8);
  transition:color var(--t)
}
.nav-links a:hover{color:#fff}
.nav.scrolled .nav-links a{color:var(--mid-gray)}
.nav.scrolled .nav-links a:hover{color:var(--soft-black)}
.nav-cta{
  font-size:.7rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;padding:10px 22px;
  background:var(--cta);color:#fff;border-radius:0;
  transition:background var(--t)
}
.nav-cta:hover{background:var(--cta-hover)}
.nav.scrolled .nav-cta{background:var(--cta)}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  padding:4px;margin-left:auto
}
.nav-toggle span{width:22px;height:1.5px;background:#fff;display:block;transition:all var(--t)}
.nav.scrolled .nav-toggle span{background:var(--soft-black)}

/* =============================================
   HERO
   ============================================= */
.hero{
  position:relative;min-height:82vh;
  display:flex;align-items:center;
  background:var(--soft-black);overflow:hidden
}
.hero-bg{
  position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 40%, rgba(59,108,181,.22) 0%, transparent 65%),
             radial-gradient(ellipse at 20% 80%, rgba(90,133,204,.12) 0%, transparent 60%);
}
.hero-content{
  position:relative;z-index:1;
  padding:80px 32px 64px;
  max-width:1120px;margin:0 auto;width:100%
}
.hero-content .eyebrow{color:rgba(245,243,239,.55)}
.hero-title{
  font-size:clamp(2.4rem,5.5vw,4.4rem);
  font-weight:700;line-height:1.12;
  color:#fff;margin:0 0 20px;
  letter-spacing:-.01em
}
.hero-title em{
  font-style:normal;
  color:var(--joint-lite)
}
.hero-sub{
  font-size:1rem;font-weight:400;
  color:rgba(245,243,239,.7);
  line-height:1.7;margin-bottom:40px;
  max-width:480px
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{
  position:absolute;right:8%;top:50%;
  transform:translateY(-50%);
  width:clamp(220px,28vw,360px);
  opacity:.92
}

/* =============================================
   MARQUEE
   ============================================= */
.marquee-wrap{
  overflow:hidden;background:var(--joint);
  padding:14px 0
}
.marquee-track{
  display:flex;gap:0;white-space:nowrap;
  animation:marquee 22s linear infinite
}
.marquee-track span{
  font-size:.7rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:rgba(255,255,255,.9);
  padding:0 28px
}
.marquee-track .dot{
  color:rgba(255,255,255,.4);padding:0;opacity:.6
}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* =============================================
   PROBLEM BAND
   ============================================= */
.problem{
  background:var(--soft-black);
  padding:clamp(72px,10vw,120px) 0
}
.problem-inner{
  max-width:760px;margin:0 auto;padding:0 32px;
  text-align:center
}
.problem .eyebrow{color:rgba(245,243,239,.4);justify-content:center;display:flex}
.problem-hook{
  font-size:clamp(1.6rem,3.5vw,2.6rem);
  font-weight:700;color:#fff;line-height:1.25;
  margin-bottom:48px
}
.problem-list{
  display:flex;flex-direction:column;gap:0;
  margin-bottom:48px;text-align:left
}
.problem-item{
  display:flex;align-items:flex-start;gap:20px;
  padding:20px 0;border-bottom:1px solid rgba(245,243,239,.08)
}
.problem-item:first-child{border-top:1px solid rgba(245,243,239,.08)}
.problem-icon{
  font-size:1.25rem;min-width:32px;
  padding-top:2px
}
.problem-text{
  font-size:.9375rem;color:rgba(245,243,239,.65);line-height:1.7
}
.problem-text strong{color:rgba(245,243,239,.9);font-weight:600}
.problem-resolution{
  font-size:clamp(1.1rem,2.5vw,1.5rem);
  font-weight:700;color:var(--joint-lite);
  letter-spacing:-.01em
}

/* =============================================
   BRAND CONCEPT
   ============================================= */
.brand-concept{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--off-white)
}
.concept-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:80px;align-items:center
}
.concept-text .eyebrow{color:var(--joint)}
.concept-tagline{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;line-height:1.25;
  color:var(--soft-black);margin-bottom:24px
}
.concept-points{
  display:flex;flex-direction:column;gap:20px;
  margin-top:32px
}
.concept-point{
  display:flex;align-items:flex-start;gap:16px
}
.concept-point-num{
  font-size:.7rem;font-weight:700;
  letter-spacing:.12em;color:var(--joint);
  min-width:28px;padding-top:4px
}
.concept-point-body{
  font-size:.9375rem;color:var(--mid-gray);line-height:1.7
}
.concept-point-body strong{color:var(--soft-black);font-weight:600}
.concept-visual{
  background:var(--white);
  border:1px solid var(--border);
  aspect-ratio:1/1.1;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:20px;padding:40px;
  position:relative;overflow:hidden
}
.concept-visual::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--joint)
}
.big-num{
  font-size:clamp(5rem,12vw,9rem);font-weight:700;
  line-height:1;color:var(--joint);opacity:.12;
  position:absolute;bottom:20px;right:24px
}
.concept-badge{
  font-size:.65rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;padding:6px 14px;
  background:var(--joint);color:#fff
}
.concept-headline{
  font-size:clamp(1.2rem,2.5vw,1.8rem);
  font-weight:700;text-align:center;
  line-height:1.3;color:var(--soft-black)
}
.concept-sub{
  font-size:.85rem;color:var(--mid-gray);
  text-align:center;line-height:1.6
}

/* =============================================
   MVP PRODUCT
   ============================================= */
.mvp{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--white)
}
.mvp-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:80px;align-items:center
}
.mvp-visual{
  position:relative;
  background:linear-gradient(135deg,#3B6CB5 0%,#2A5090 100%);
  aspect-ratio:.88/1;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden
}
.mvp-visual::after{
  content:'';position:absolute;
  top:-40px;right:-40px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(90,133,204,.15)
}
.pouch-wrap{position:relative;z-index:1;width:68%}
.mvp-badge{
  position:absolute;top:24px;left:24px;
  font-size:.6rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;padding:6px 14px;
  background:rgba(245,243,239,.15);color:rgba(245,243,239,.9);
  backdrop-filter:blur(8px)
}
.mvp-text .eyebrow{color:var(--joint)}
.mvp-title{
  font-size:clamp(1.8rem,3.5vw,2.8rem);
  font-weight:700;line-height:1.15;
  color:var(--soft-black);margin-bottom:8px
}
.mvp-subtitle{
  font-size:.9375rem;color:var(--mid-gray);
  margin-bottom:28px
}
.ingredient-list{
  display:grid;grid-template-columns:1fr 1fr;
  gap:12px;margin-bottom:32px
}
.ing-item{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;background:var(--off-white);
  border-left:2px solid var(--joint)
}
.ing-icon{font-size:1.1rem}
.ing-name{font-size:.8rem;font-weight:600;color:var(--soft-black)}
.ing-item:last-child{grid-column:1/-1}

.mvp-divider{
  border:none;border-top:1px solid var(--border);
  margin:28px 0
}
.price-wrap{
  display:flex;align-items:baseline;gap:20px;
  margin-bottom:8px
}
.price-main{
  font-size:1.8rem;font-weight:700;color:var(--soft-black)
}
.price-sub{
  font-size:.85rem;color:var(--mid-gray)
}
.price-sub strong{color:var(--joint);font-weight:700}
.price-note{
  font-size:.8rem;color:var(--mid-gray);
  margin-bottom:28px
}
.mvp-copy{
  font-size:.8rem;font-weight:600;letter-spacing:.05em;
  color:var(--joint);margin-top:20px;opacity:.8
}

/* =============================================
   PRODUCT LINE
   ============================================= */
.product-line{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--off-white)
}
.product-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:16px
}
.product-card{
  background:var(--white);
  border:1px solid var(--border);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t)
}
.product-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 32px rgba(45,45,45,.1)
}
.card-line-bar{height:4px}
[data-line="joint"]   .card-line-bar{background:var(--joint)}
[data-line="skin"]    .card-line-bar{background:var(--skin)}
[data-line="gut"]     .card-line-bar{background:var(--gut)}
[data-line="calming"] .card-line-bar{background:var(--calming)}
[data-line="senior"]  .card-line-bar{background:var(--senior)}

.card-body{padding:22px 20px 24px}
.card-line-label{
  font-size:.6rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;padding:3px 8px;margin-bottom:12px;
  display:inline-block;color:#fff
}
[data-line="joint"]   .card-line-label{background:var(--joint)}
[data-line="skin"]    .card-line-label{background:var(--skin);color:var(--soft-black)}
[data-line="gut"]     .card-line-label{background:var(--gut)}
[data-line="calming"] .card-line-label{background:var(--calming);color:var(--soft-black)}
[data-line="senior"]  .card-line-label{background:var(--senior);color:var(--soft-black)}

.card-name{
  font-size:1.05rem;font-weight:700;
  color:var(--soft-black);margin-bottom:4px
}
.card-with{
  font-size:.75rem;color:var(--mid-gray);margin-bottom:10px
}
.card-copy{
  font-size:.8rem;color:var(--mid-gray);
  line-height:1.55;margin-bottom:16px;font-style:italic
}
.card-cta{
  font-size:.7rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft-black);
  display:inline-flex;align-items:center;gap:4px;
  transition:gap var(--t),color var(--t)
}
.card-cta:hover{color:var(--joint);gap:8px}

/* =============================================
   WHY HANIP
   ============================================= */
.why{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--white)
}
.why-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:48px;margin-top:56px
}
.why-item{border-top:2px solid var(--joint);padding-top:28px}
.why-num{
  font-size:2.5rem;font-weight:700;
  color:var(--joint);opacity:.2;line-height:1;
  margin-bottom:12px
}
.why-title{
  font-size:1.05rem;font-weight:700;
  color:var(--soft-black);margin-bottom:10px
}
.why-text{
  font-size:.875rem;color:var(--mid-gray);line-height:1.75
}

/* =============================================
   PERSONA STORY
   ============================================= */
.persona{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--off-white)
}
.persona-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:80px;align-items:center
}
.persona-visual{
  background:var(--white);
  aspect-ratio:1/1.15;
  display:flex;align-items:flex-end;
  justify-content:center;overflow:hidden;
  position:relative;border:1px solid var(--border)
}
.persona-text .eyebrow{color:var(--joint)}
.persona-name{
  font-size:.85rem;font-weight:600;
  color:var(--mid-gray);margin-bottom:20px
}
.persona-story{
  display:flex;flex-direction:column;gap:12px;margin-bottom:28px
}
.persona-line{
  font-size:.9375rem;line-height:1.75;
  color:var(--mid-gray);padding-left:16px;
  border-left:2px solid var(--border)
}
.persona-line.highlight{
  border-left-color:var(--joint);
  color:var(--soft-black);font-weight:500
}
.persona-emotion{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:8px
}
.emotion-tag{
  font-size:.75rem;font-weight:600;padding:6px 14px;
  background:var(--off-white);border:1px solid var(--border);
  color:var(--mid-gray)
}
.emotion-tag.after{
  background:var(--joint);color:#fff;border-color:var(--joint)
}

/* =============================================
   SOCIAL PROOF
   ============================================= */
.social{
  padding:clamp(72px,10vw,120px) 0;
  background:var(--soft-black)
}
.social .eyebrow{color:rgba(245,243,239,.4)}
.social-headline{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;color:#fff;margin-bottom:8px
}
.social-sub{
  font-size:.875rem;color:rgba(245,243,239,.5);margin-bottom:48px
}
.review-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px
}
.review-card{
  background:rgba(245,243,239,.06);
  border:1px solid rgba(245,243,239,.1);
  padding:28px;
  transition:background var(--t)
}
.review-card:hover{background:rgba(245,243,239,.1)}
.review-stars{
  font-size:.85rem;letter-spacing:.05em;
  color:var(--skin);margin-bottom:12px
}
.review-text{
  font-size:.875rem;color:rgba(245,243,239,.75);
  line-height:1.75;margin-bottom:16px
}
.review-author{
  font-size:.75rem;font-weight:600;letter-spacing:.08em;
  color:rgba(245,243,239,.4)
}
.review-author strong{color:rgba(245,243,239,.6)}

/* =============================================
   SUBSCRIPTION
   ============================================= */
.subscription{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--joint)
}
.subscription .eyebrow{color:rgba(255,255,255,.55)}
.sub-headline{
  font-size:clamp(1.8rem,4vw,3rem);
  font-weight:700;color:#fff;margin-bottom:12px;line-height:1.2
}
.sub-sub{
  font-size:1rem;color:rgba(255,255,255,.7);margin-bottom:52px
}
.sub-compare{
  display:grid;grid-template-columns:1fr 1px 1fr;
  gap:40px;align-items:center;
  max-width:640px;margin:0 auto 48px
}
.sub-divider-line{background:rgba(255,255,255,.2);align-self:stretch}
.sub-option{text-align:center}
.sub-label{
  font-size:.65rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:rgba(255,255,255,.55);
  margin-bottom:8px;display:block
}
.sub-price{
  font-size:2rem;font-weight:700;color:#fff;line-height:1
}
.sub-price sup{font-size:1rem;font-weight:400;vertical-align:super}
.sub-price-note{font-size:.75rem;color:rgba(255,255,255,.55);margin-top:4px}
.sub-option.highlighted .sub-label{color:var(--skin)}
.sub-option.highlighted .sub-price{color:var(--skin)}
.sub-first{
  font-size:.75rem;font-weight:600;
  padding:4px 12px;
  background:rgba(232,200,74,.2);color:var(--skin);
  display:inline-block;margin-top:6px
}

/* =============================================
   FOOTER
   ============================================= */
.footer{
  background:var(--soft-black);
  padding:64px 0 40px;
  border-top:1px solid rgba(245,243,239,.08)
}
.footer-inner{
  display:flex;justify-content:space-between;
  align-items:flex-start;gap:48px;flex-wrap:wrap;
  margin-bottom:48px
}
.footer-brand .logo{color:#fff;font-size:1.2rem}
.footer-brand p{
  font-size:.8rem;color:rgba(245,243,239,.4);
  margin-top:10px;line-height:1.6;max-width:240px
}
.footer-links{
  display:flex;gap:48px;flex-wrap:wrap
}
.footer-col h4{
  font-size:.65rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:rgba(245,243,239,.4);
  margin-bottom:16px
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:.8rem;color:rgba(245,243,239,.55);
  transition:color var(--t)
}
.footer-col a:hover{color:rgba(245,243,239,.9)}
.footer-bottom{
  display:flex;justify-content:space-between;
  align-items:center;
  padding-top:28px;border-top:1px solid rgba(245,243,239,.07);
  flex-wrap:wrap;gap:12px
}
.footer-bottom p{
  font-size:.72rem;color:rgba(245,243,239,.3)
}
.footer-social{display:flex;gap:16px}
.footer-social a{
  font-size:.72rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(245,243,239,.4);
  transition:color var(--t)
}
.footer-social a:hover{color:#fff}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.fade-up{
  opacity:0;transform:translateY(24px);
  transition:opacity .55s ease,transform .55s ease
}
.fade-up.visible{opacity:1;transform:none}

/* =============================================
   RESPONSIVE
   ============================================= */
@media(max-width:900px){
  .concept-grid,.mvp-grid,.persona-grid{grid-template-columns:1fr}
  .concept-grid .concept-visual,
  .mvp-grid .mvp-visual{aspect-ratio:auto;min-height:240px}
  .persona-grid .persona-visual{display:none}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .sub-compare{grid-template-columns:1fr;gap:20px}
  .sub-divider-line{display:none}
}
@media(max-width:600px){
  .container{padding:0 20px}
  .nav-inner{padding:16px 20px}
  .nav-links{
    display:none;position:fixed;inset:0;top:64px;
    flex-direction:column;gap:0;
    background:rgba(45,45,45,.98);
    padding:32px 24px;z-index:199
  }
  .nav-links.open{display:flex}
  .nav-links a{
    padding:16px 0;border-bottom:1px solid rgba(245,243,239,.08);
    font-size:.875rem;color:rgba(245,243,239,.8)
  }
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero-visual{display:none}
  .hero-content{padding:96px 20px 56px}
  .product-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:32px}
  .footer-links{gap:28px}
  .ingredient-list{grid-template-columns:1fr}
  .ing-item:last-child{grid-column:auto}
}