/* ==========================================================================
   GAYA SIKHYEOK — traditional editorial / wellness theme
   Warm hanji cream + heritage green + gold. Serif display.
   Distinct from GLOBAL CLAM (ocean commerce) & dressfood (corporate green).
   ========================================================================== */
:root{
  --cream:#f6f0e3;        /* hanji background */
  --cream-2:#efe6d3;
  --paper:#fbf7ee;        /* card surface */
  --green:#1f5132;        /* heritage deep green */
  --green-deep:#143a23;
  --gold:#b8893a;         /* warm brass */
  --gold-soft:#cda965;
  --ink:#2a2620;          /* warm near-black */
  --muted:#7c7466;
  --line:#e2d8c4;
  --radius:6px;
  --radius-lg:14px;
  --maxw:1140px;
  --shadow:0 18px 50px rgba(42,38,32,.10);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Inter','Segoe UI',system-ui,sans-serif;color:var(--ink);background:var(--cream);
  line-height:1.7;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,.display{font-family:'Cormorant Garamond','Georgia',serif;font-weight:600;line-height:1.12;
  letter-spacing:.01em;margin:0 0 .4em;color:var(--green-deep);}
a{color:var(--green);text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;margin:0 auto;}
.section{padding:96px 0;}
.section--tight{padding:60px 0;}
.bg-paper{background:var(--paper);}
.bg-green{background:var(--green-deep);color:#e8e0cf;}
.bg-green h1,.bg-green h2,.bg-green h3{color:#fff;}
.text-center{text-align:center;}
.eyebrow{display:inline-block;font-family:'Inter',sans-serif;font-weight:600;font-size:.74rem;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold);margin-bottom:1.1rem;}
.eyebrow::before{content:"";display:inline-block;width:28px;height:1px;background:var(--gold);
  vertical-align:middle;margin-right:.7rem;}
.bg-green .eyebrow{color:var(--gold-soft);}
h2{font-size:clamp(2rem,4.2vw,3.1rem);}
.lead{font-size:1.12rem;color:var(--muted);}
.text-center .lead,.narrow .lead{margin-left:auto;margin-right:auto;}
.seal{font-family:'Cormorant Garamond',serif;font-size:1.6rem;color:var(--gold);}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:'Inter',sans-serif;font-weight:600;
  font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;padding:.95rem 1.9rem;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-deep);color:#fff;}
.btn-gold{background:var(--gold);color:#fff;}
.btn-gold:hover{background:#a3762d;color:#fff;}
.btn-outline{background:transparent;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:var(--green);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--green-deep);}

/* topbar */
.topbar{background:var(--green-deep);color:#cdbf9e;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;padding:.55rem 24px;flex-wrap:wrap;}
.tb-info{display:flex;gap:2rem;flex-wrap:wrap;}
.topbar span{display:inline-flex;align-items:center;gap:.5rem;}
.topbar i{color:var(--gold-soft);}
.tb-account{display:flex;align-items:center;gap:1.1rem;}
.tb-account a{color:#f4ecd8;display:inline-flex;align-items:center;gap:.4rem;font-weight:600;letter-spacing:.08em;}
.tb-account a:hover{color:#ffffff;}
.tb-account .tb-signup{background:var(--gold-soft);color:#143a23;padding:.26rem .95rem;border-radius:999px;font-weight:700;letter-spacing:.06em;}
.tb-account .tb-signup:hover{color:#143a23;filter:brightness(1.08);}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,240,227,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:80px;}
.brand{display:flex;align-items:center;gap:.7rem;font-family:'Cormorant Garamond',serif;font-weight:700;
  font-size:1.7rem;color:var(--green-deep);letter-spacing:.02em;}
.brand .mark{width:42px;height:42px;flex:0 0 auto;}
.brand .logo-img{height:40px;width:auto;flex:0 0 auto;}
.brand small{display:block;font-family:'Inter',sans-serif;font-size:.58rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--gold);font-weight:600;margin-top:-2px;}
.nav-links{display:flex;align-items:center;gap:2.2rem;list-style:none;margin:0;padding:0;}
.nav-links a{color:var(--ink);font-weight:500;font-size:.84rem;letter-spacing:.08em;text-transform:uppercase;}
.nav-links a:hover{color:var(--gold);}
.nav-cta{display:flex;align-items:center;gap:1rem;}
.hamb{display:none;background:none;border:0;cursor:pointer;font-size:1.4rem;color:var(--green-deep);}
#navtoggle{display:none;}

/* hero */
.hero{background:var(--cream);border-bottom:1px solid var(--line);position:relative;}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;
  padding-top:90px;padding-bottom:90px;}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:600;}
.hero h1 .hl{color:var(--gold);font-style:italic;}
.hero .han{font-family:'Cormorant Garamond',serif;font-size:1rem;color:var(--gold);letter-spacing:.3em;text-transform:uppercase;}
.hero p{font-size:1.16rem;color:var(--muted);max-width:480px;margin:1.2rem 0 2rem;}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}
.hero-figure{position:relative;padding:18px;}
.hero-figure::before{content:"";position:absolute;inset:0;border:1px solid var(--gold);transform:translate(16px,16px);}
.hero-figure img{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:var(--shadow);}

/* stat row */
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);}
.stat{padding:2rem 1rem;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat .num{font-family:'Cormorant Garamond',serif;font-size:2.4rem;color:var(--green);line-height:1;}
.stat .lbl{color:var(--muted);font-size:.82rem;letter-spacing:.04em;margin-top:.4rem;}

/* philosophy */
.philosophy{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);
  border:1px solid var(--line);}
.phil{background:var(--paper);padding:2.6rem 2rem;}
.phil .k{font-family:'Cormorant Garamond',serif;font-size:1.5rem;color:var(--gold);margin-bottom:.4rem;}
.phil h3{font-size:1.5rem;}
.phil p{color:var(--muted);font-size:.96rem;margin:0;}

/* grid */
.grid{display:grid;gap:32px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

/* features */
.feature{text-align:center;padding:1rem;}
.feature .ic{width:58px;height:58px;border:1px solid var(--gold);border-radius:50%;display:flex;
  align-items:center;justify-content:center;margin:0 auto 1.2rem;color:var(--gold);font-size:1.3rem;}
.feature h3{font-size:1.45rem;}
.feature p{color:var(--muted);font-size:.95rem;}

/* product cards — editorial with color bar */
.product{background:var(--paper);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;}
.product:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.product .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--cream-2);position:relative;}
.product .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.product:hover .thumb img{transform:scale(1.05);}
.product .thumb .ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:2.6rem;}
.product .tag{position:absolute;top:14px;left:14px;background:var(--green);color:#fff;font-size:.66rem;
  letter-spacing:.1em;text-transform:uppercase;padding:.35rem .8rem;}
.product .body{padding:1.5rem 1.6rem 1.8rem;display:flex;flex-direction:column;gap:.45rem;flex:1;border-top:3px solid var(--gold);}
.product .body h3{font-size:1.4rem;margin:0;}
.product .body .sub{color:var(--muted);font-size:.92rem;flex:1;}
.product .body .more{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-top:.5rem;}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split .frame{position:relative;padding:16px;}
.split .frame::before{content:"";position:absolute;inset:0;border:1px solid var(--gold);transform:translate(-14px,14px);}
.split .frame img{position:relative;width:100%;aspect-ratio:1/1;object-fit:cover;box-shadow:var(--shadow);}
.split ul{list-style:none;padding:0;margin:1.4rem 0 0;}
.split li{display:flex;gap:.8rem;padding:.5rem 0;border-bottom:1px solid var(--line);color:var(--ink);}
.split li:last-child{border-bottom:0;}
.split li i{color:var(--gold);margin-top:.3rem;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;counter-reset:s;}
.step{text-align:center;}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-family:'Cormorant Garamond',serif;
  font-size:2.6rem;color:var(--gold);margin-bottom:.4rem;}
.step h3{font-size:1.4rem;}
.step p{color:var(--muted);font-size:.94rem;}

/* channels */
.channels{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;}
.channel{border:1px solid rgba(255,255,255,.3);padding:.8rem 1.6rem;font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;color:#e8e0cf;display:inline-flex;align-items:center;gap:.5rem;}
.channel i{color:var(--gold-soft);}

/* cta band */
.cta-band{text-align:center;padding:1rem 0;}
.cta-band h2{color:#fff;}
.cta-band p{color:#cdbf9e;max-width:560px;margin:0 auto 1.8rem;}

/* page head */
.page-head{background:var(--green-deep);color:#e8e0cf;padding:80px 0;text-align:center;}
.page-head h1{color:#fff;font-size:clamp(2.4rem,5vw,3.6rem);}
.page-head p{color:#cdbf9e;max-width:600px;margin:.5rem auto 0;}

/* forms */
.form-card{background:var(--paper);border:1px solid var(--line);padding:3rem;max-width:680px;margin:0 auto;box-shadow:var(--shadow);}
.form-card label{font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--green-deep);margin-bottom:.4rem;display:block;}
.form-card input,.form-card textarea,.form-card select,.form-card .form-control{
  width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:.8rem .9rem;font-size:1rem;
  font-family:inherit;margin-bottom:1.2rem;background:#fff;color:var(--ink);}
.form-card input:focus,.form-card textarea:focus,.form-card select:focus{outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(184,137,58,.12);}
.form-card .helptext,.form-card .form-text{font-size:.8rem;color:var(--muted);}
.alert{border-radius:var(--radius);padding:.95rem 1.1rem;margin-bottom:1.3rem;font-size:.95rem;}
.alert-success{background:#e8f0e6;color:#1f5132;border:1px solid #bcd6c2;}
.alert-error,.alert-danger{background:#f7e7e3;color:#9e3a26;border:1px solid #e6c3b8;}

/* product detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.pd .frame{position:relative;padding:16px;}
.pd .frame::before{content:"";position:absolute;inset:0;border:1px solid var(--gold);transform:translate(-14px,14px);}
.pd .frame img{position:relative;width:100%;aspect-ratio:1/1;object-fit:cover;box-shadow:var(--shadow);}
.pd .frame .ph{position:relative;aspect-ratio:1/1;background:var(--cream-2);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:4rem;}
.pd dl{margin:1.6rem 0 0;}
.pd .spec{border-top:1px solid var(--line);padding:.8rem 0;display:flex;gap:1rem;}
.pd .spec dt{font-weight:600;min-width:140px;color:var(--green-deep);font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;}
.pd .spec dd{margin:0;color:var(--muted);}

/* footer */
.footer{background:var(--green-deep);color:#b6ac93;padding:72px 0 28px;font-size:.92rem;}
.footer h4{color:#fff;font-family:'Cormorant Garamond',serif;font-size:1.3rem;margin-bottom:1rem;}
.footer a{color:#b6ac93;}
.footer a:hover{color:var(--gold-soft);}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;}
.footer .fbrand{color:#fff;font-family:'Cormorant Garamond',serif;font-size:1.7rem;}
.footer ul{list-style:none;padding:0;margin:0;line-height:2.1;}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:#867c64;font-size:.84rem;}

/* popup */
.popup-modal .modal-content{border:0;border-radius:var(--radius-lg);overflow:hidden;}
.popup-footer{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1.2rem;background:var(--cream-2);font-size:.86rem;}

/* responsive */
@media (max-width:900px){
  .hero .container,.split,.pd{grid-template-columns:1fr;gap:40px;}
  .hero-figure{order:-1;max-width:420px;}
  .philosophy,.grid-3,.grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:36px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;}
  .footer .cols{grid-template-columns:1fr;gap:28px;}
  .nav-links{position:fixed;inset:80px 0 auto 0;background:var(--cream);flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s;}
  .nav-links li{width:100%;border-top:1px solid var(--line);}
  .nav-links a{display:block;padding:1.1rem 24px;}
  #navtoggle:checked ~ .nav-links{max-height:420px;}
  .hamb{display:block;}
  .nav-cta .btn{display:none;}
}
@media (max-width:560px){
  .section{padding:60px 0;}
  .grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .stat{border-left:0;border-top:1px solid var(--line);}
  .stat:first-child{border-top:0;}
  .form-card{padding:1.6rem;}
  .topbar .container{justify-content:center;gap:.6rem;}
  .tb-info{gap:1rem;justify-content:center;}
}