/* ===================================================================
   알뜰폰 요금제 비교 — mvplan.zibsuri.com 디자인 시스템
   =================================================================== */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root{
  /* ---- color tokens ---- */
  --ink-900:#14181f;
  --ink-700:#333a46;
  --ink-500:#5b6472;
  --ink-300:#9aa2af;
  --ink-100:#e7e9ee;
  --paper:#ffffff;
  --surface:#f6f6f4;
  --surface-2:#eef1f6;
  --border:#e3e6ec;
  --primary:#1f4fd8;
  --primary-600:#183fae;
  --primary-100:#e8edfd;
  --accent:#ff7a3d;
  --accent-100:#fff1e8;
  --success:#1b9c66;

  /* ---- spacing (8pt) ---- */
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:40px;
  --sp-6:48px; --sp-7:64px; --sp-8:80px; --sp-9:96px; --sp-10:120px; --sp-11:140px;

  /* ---- radius / shadow ---- */
  --radius-sm:8px; --radius-md:14px; --radius-lg:24px; --radius-full:999px;
  --shadow-sm:0 1px 2px rgba(20,24,31,.06), 0 1px 1px rgba(20,24,31,.04);
  --shadow-md:0 8px 24px rgba(20,24,31,.08);
  --shadow-lg:0 20px 48px rgba(20,24,31,.12);

  --maxw:1200px;
  --maxw-prose:760px;
  --font-sans:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--ink-900);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-0.02em;margin:0;font-weight:700;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}
}

:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-3);}

/* ---------------- header ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.site-header__inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-3);
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink-900);}
.brand__mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#5b7dfb);display:flex;align-items:center;justify-content:center;flex:none;}
.brand__mark svg{width:19px;height:19px;}
.main-nav{display:flex;align-items:center;gap:var(--sp-4);}
.main-nav ul{display:flex;gap:var(--sp-3);list-style:none;}
.main-nav a{font-size:15px;font-weight:600;color:var(--ink-700);padding:8px 2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;}
.main-nav a:hover{color:var(--primary);border-color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-full);font-weight:700;font-size:15px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--primary-600);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn-ghost{background:var(--surface-2);color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-100);}
.nav-toggle{display:none;}

/* ---------------- hero ---------------- */
.hero{
  position:relative;overflow:hidden;
  padding:var(--sp-9) 0 var(--sp-9);
  background:radial-gradient(1200px 600px at 80% -10%, var(--primary-100), transparent 60%), var(--paper);
}
.hero__grid{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-3);
  display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-7);align-items:center;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-full);
  background:var(--primary-100);color:var(--primary-600);font-weight:700;font-size:13px;margin-bottom:var(--sp-3);
}
.hero h1{font-size:clamp(34px,4.6vw,56px);letter-spacing:-0.03em;}
.hero__desc{margin-top:var(--sp-3);font-size:18px;line-height:1.75;color:var(--ink-500);max-width:560px;}
.hero__cta{display:flex;gap:var(--sp-2);margin-top:var(--sp-5);flex-wrap:wrap;}
.hero__stats{display:flex;gap:var(--sp-5);margin-top:var(--sp-6);flex-wrap:wrap;}
.hero__stat b{display:block;font-size:22px;color:var(--ink-900);}
.hero__stat span{font-size:13px;color:var(--ink-500);}
.hero__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/5;}
.hero__media img{width:100%;height:100%;object-fit:cover;}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,31,0) 40%,rgba(20,24,31,.55) 100%);}

/* ---------------- section shell ---------------- */
.section{padding:var(--sp-9) 0;}
.section--tight{padding:var(--sp-8) 0;}
.section--surface{background:var(--surface);}
.section__head{max-width:640px;margin:0 auto var(--sp-6);text-align:center;}
.section__kicker{color:var(--primary);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px;display:block;}
.section__title{font-size:clamp(26px,3.2vw,36px);}
.section__desc{margin-top:var(--sp-2);color:var(--ink-500);font-size:16px;line-height:1.75;}

/* ---------------- criteria cards ---------------- */
.criteria-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.criteria-card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:var(--sp-4);transition:transform .2s ease, box-shadow .2s ease;
}
.criteria-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.criteria-card__icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--primary-100);display:flex;align-items:center;justify-content:center;margin-bottom:var(--sp-3);}
.criteria-card__icon svg{width:24px;height:24px;color:var(--primary);}
.criteria-card h3{font-size:18px;margin-bottom:8px;}
.criteria-card p{font-size:14.5px;color:var(--ink-500);line-height:1.7;}

/* ---------------- persona carousel ---------------- */
.carousel{display:flex;gap:var(--sp-3);overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px var(--sp-2);-webkit-overflow-scrolling:touch;}
.carousel::-webkit-scrollbar{height:6px;}
.carousel::-webkit-scrollbar-thumb{background:var(--ink-100);border-radius:var(--radius-full);}
.carousel__card{
  scroll-snap-align:start;flex:0 0 280px;border-radius:var(--radius-lg);overflow:hidden;
  position:relative;box-shadow:var(--shadow-sm);background:var(--ink-900);aspect-ratio:3/4;
}
.carousel__card img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform .3s ease;}
.carousel__card:hover img{transform:scale(1.05);}
.carousel__card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,31,0) 35%,rgba(20,24,31,.85) 100%);}
.carousel__label{position:absolute;left:var(--sp-2);right:var(--sp-2);bottom:var(--sp-2);color:#fff;z-index:2;}
.carousel__label b{display:block;font-size:16px;margin-bottom:4px;}
.carousel__label span{font-size:13px;color:#dfe3ee;}

/* ---------------- region tool ---------------- */
.region-tool{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--sp-5);box-shadow:var(--shadow-sm);}
.region-tool__selects{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2);}
.region-tool select{
  width:100%;min-height:48px;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--border);
  background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235b6472'%3E%3Cpath d='M5.5 7.5l4.5 4.5 4.5-4.5' stroke='%235b6472' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 14px center/16px no-repeat;
  appearance:none;font-size:15px;color:var(--ink-900);font-family:inherit;
}
.region-tool select:disabled{opacity:.5;}
.region-tool__result{margin-top:var(--sp-3);padding:var(--sp-3);border-radius:var(--radius-md);background:var(--primary-100);}
.region-tool__addr{font-size:15px;margin:0 0 8px;}
.region-tool__result p{font-size:14.5px;line-height:1.75;color:var(--ink-700);margin:0 0 8px;}
.region-tool__result p:last-child{margin-bottom:0;}
.region-tool__note{margin-top:var(--sp-2);font-size:13px;color:var(--ink-300);}

/* ---------------- post cards / latest ---------------- */
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.post-card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s ease, box-shadow .2s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.post-card__thumb{aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-card__thumb img{transform:scale(1.06);}
.post-card__body{padding:var(--sp-3);}
.post-card__cat{font-size:12px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.03em;}
.post-card__title{margin-top:8px;font-size:16.5px;font-weight:700;line-height:1.4;}
.post-card__excerpt{margin-top:8px;font-size:13.5px;color:var(--ink-500);line-height:1.7;}

/* ---------------- category shortcuts ---------------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.cat-card{border-radius:var(--radius-lg);padding:var(--sp-4);background:var(--ink-900);color:#fff;position:relative;overflow:hidden;min-height:168px;display:flex;flex-direction:column;justify-content:flex-end;}
.cat-card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--primary),#0c1d5c);opacity:.92;}
.cat-card__inner{position:relative;z-index:1;}
.cat-card h3{font-size:18px;margin-bottom:6px;}
.cat-card span{font-size:13px;color:#c9d3f7;}

/* ---------------- CTA band ---------------- */
.cta-band{background:linear-gradient(120deg,var(--primary),#0c1d5c);color:#fff;border-radius:var(--radius-lg);padding:var(--sp-6);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:8px;color:#cfd8f8;font-size:15px;}
.cta-band .btn-primary{background:#fff;color:var(--primary-600);}
.cta-band .btn-primary:hover{background:#eef1ff;}

/* ---------------- footer ---------------- */
.site-footer{background:var(--ink-900);color:#c7cbd6;padding:var(--sp-8) 0 var(--sp-4);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-5);padding-bottom:var(--sp-6);border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand{color:#fff;}
.footer-brand p{margin-top:var(--sp-2);font-size:13.5px;line-height:1.75;color:#9aa2af;max-width:320px;}
.footer-col h4{font-size:13px;color:#8b93a1;text-transform:uppercase;letter-spacing:.04em;margin-bottom:var(--sp-2);}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.5px;color:#c7cbd6;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:var(--sp-3);font-size:13px;color:#7b8291;flex-wrap:wrap;gap:8px;}
.legal-notice{font-size:12.5px;color:#7b8291;line-height:1.7;max-width:760px;}

/* ---------------- prose (post/page content) ---------------- */
.prose-shell{padding:var(--sp-8) 0;}
.prose-header{max-width:var(--maxw-prose);margin:0 auto var(--sp-5);}
.prose-header__cat{color:var(--primary);font-weight:700;font-size:13px;text-transform:uppercase;}
.prose-header h1{font-size:clamp(28px,4vw,40px);margin-top:10px;}
.prose-header__meta{margin-top:var(--sp-2);font-size:13.5px;color:var(--ink-300);}
.prose-cover{max-width:var(--maxw-prose);margin:0 auto var(--sp-6);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.prose-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.prose{max-width:var(--maxw-prose);margin:0 auto;font-size:17px;line-height:1.8;color:var(--ink-700);}
.prose h2{font-size:25px;margin:var(--sp-6) 0 var(--sp-2);color:var(--ink-900);padding-top:4px;border-top:3px solid var(--primary);padding-top:var(--sp-2);}
.prose h3{font-size:20px;margin:var(--sp-4) 0 var(--sp-2);color:var(--ink-900);}
.prose p{margin:0 0 var(--sp-2);}
.prose ul,.prose ol{margin:0 0 var(--sp-2) 1.3em;}
.prose li{margin-bottom:6px;}
.prose img{border-radius:var(--radius-md);margin:var(--sp-3) 0;}
.prose table{width:100%;border-collapse:collapse;margin:var(--sp-3) 0;display:block;overflow-x:auto;font-size:15px;}
.prose table th,.prose table td{border:1px solid var(--border);padding:10px 12px;text-align:left;}
.prose table th{background:var(--surface);}
.prose .ai-notice{margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid var(--border);}
.prose .affiliate-notice{margin-bottom:var(--sp-3);}
.prose .legal-notice-box{margin-top:var(--sp-3);padding:14px 16px;background:var(--surface);border-radius:var(--radius-md);font-size:13.5px;color:var(--ink-500);line-height:1.7;}

.toc{max-width:var(--maxw-prose);margin:0 auto var(--sp-6);background:var(--surface);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);}
.toc__title{font-weight:800;font-size:15px;margin-bottom:10px;}
.toc ol{margin:0;padding-left:1.2em;}
.toc a{font-size:14.5px;color:var(--primary-600);line-height:2;}
.toc a:hover{text-decoration:underline;}

.related{max-width:var(--maxw);margin:var(--sp-8) auto 0;padding:0 var(--sp-3);}
.related__title{font-size:22px;margin-bottom:var(--sp-3);}
.related .post-grid{grid-template-columns:repeat(4,1fr);}

/* ---------------- contact / page utility ---------------- */
.page-cta{max-width:var(--maxw-prose);margin:var(--sp-6) auto 0;text-align:center;}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .criteria-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid,.cat-grid,.related .post-grid{grid-template-columns:repeat(2,1fr);}
  .hero__grid{grid-template-columns:1fr;}
  .hero__media{order:-1;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .main-nav ul{display:none;}
  .site-header__inner{height:64px;}
  .hero{padding:var(--sp-7) 0;}
  .section{padding:var(--sp-7) 0;}
  .criteria-grid,.post-grid,.cat-grid,.related .post-grid{grid-template-columns:1fr;}
  .region-tool__selects{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .prose{font-size:16px;}
}