/*
Theme Name: ypremiumtip
Theme URI: https://ytpremiumtip.rand3.com/
Author: PremiumTip Studio
Description: 유튜브 프리미엄 절약 정보 플랫폼 전용 테마. 8pt 스케일 디자인 시스템.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: ypremiumtip
*/

/* ============================================================
   DESIGN TOKENS
============================================================ */
:root{
  --font-sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --font-serif:"Noto Serif KR",serif;
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-ink:#1F2226;
  --c-ink-2:#3A3F46;
  --c-muted:#6C727C;
  --c-line:#E9E5DE;
  --c-line-2:#F1EEE8;
  --c-brand:#E0362C;
  --c-brand-deep:#B92A21;
  --c-brand-soft:#FBEAE6;
  --c-charcoal:#22252A;
  --c-charcoal-2:#2D3138;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-sm:0 1px 2px rgba(31,34,38,.05),0 4px 14px rgba(31,34,38,.05);
  --sh-md:0 10px 30px rgba(31,34,38,.09);
  --sh-lg:0 24px 64px rgba(31,34,38,.13);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-7:32px;--sp-8:40px;--sp-9:48px;--sp-10:64px;--sp-11:80px;--sp-12:96px;--sp-13:120px;
  --maxw:1180px;
  --maxw-narrow:760px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============================================================
   RESET / BASE
============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);letter-spacing:-0.011em;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand-deep);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-brand)}
h1,h2,h3,h4{font-weight:800;line-height:1.32;letter-spacing:-0.025em;color:var(--c-ink);word-break:keep-all}
p{word-break:keep-all}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:12px 20px;border-radius:0 0 12px 0;z-index:999}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--c-brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
::selection{background:var(--c-brand);color:#fff}

/* ============================================================
   HEADER
============================================================ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,248,245,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{width:40px;height:40px;border-radius:12px;box-shadow:var(--sh-sm);flex:none}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-0.03em;color:var(--c-ink);line-height:1.1}
.brand-tag{display:block;font-size:11.5px;font-weight:500;color:var(--c-muted);letter-spacing:-0.01em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-radius:var(--r-sm);transition:color .2s var(--ease),background .2s var(--ease)}
.main-nav a:hover{color:var(--c-brand-deep);background:var(--c-brand-soft)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;margin-left:8px;background:var(--c-brand);color:#fff !important;font-weight:700;border-radius:999px;box-shadow:0 6px 18px rgba(224,54,44,.28);transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease)}
.nav-cta:hover{background:var(--c-brand-deep);transform:translateY(-1px);box-shadow:0 8px 22px rgba(224,54,44,.34)}
.nav-toggle{display:none;width:48px;height:48px;border:0;background:transparent;border-radius:12px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:26px;height:26px;stroke:var(--c-ink);stroke-width:2;stroke-linecap:round}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .main-nav{position:fixed;inset:0;top:0;z-index:70;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:96px 32px 32px;background:var(--c-bg);display:none}
  .main-nav.open{display:flex}
  .main-nav a{font-size:18px;padding:14px 8px;width:100%;min-height:52px}
  .nav-cta{margin:12px 0 0;width:100%;justify-content:center;min-height:52px}
  .header-inner{min-height:64px}
}

/* ============================================================
   BUTTONS / BADGES
============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15.5px;border:0;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);text-decoration:none}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 26px rgba(224,54,44,.30)}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(224,54,44,.36)}
.btn-ghost{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-line);box-shadow:none}
.btn-ghost:hover{border-color:var(--c-ink);color:var(--c-ink);transform:translateY(-2px)}
.btn-dark{background:var(--c-charcoal);color:#fff}
.btn-dark:hover{background:#000;color:#fff;transform:translateY(-2px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:-0.01em}
.badge-red{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.badge-dark{background:var(--c-charcoal);color:#fff}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted)}

/* ============================================================
   SECTIONS / HERO
============================================================ */
.section{padding:var(--sp-12) 0}
.section-head{max-width:680px;margin-bottom:var(--sp-9)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-serif);font-size:14px;font-weight:600;color:var(--c-brand-deep);letter-spacing:0.02em;margin-bottom:14px}
.kicker::before{content:"";width:22px;height:2px;background:var(--c-brand);border-radius:2px}
.section-title{font-size:clamp(26px,3.4vw,38px);margin:0 0 14px}
.section-sub{font-size:17px;color:var(--c-muted);margin:0}
.hero{position:relative;overflow:hidden;padding:clamp(72px,9vw,128px) 0 clamp(56px,7vw,96px);background:radial-gradient(1200px 500px at 85% -10%,rgba(224,54,44,.10),transparent 60%),linear-gradient(180deg,#FFFDFA,var(--c-bg))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,80px);align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.18;margin:0 0 22px;font-weight:800}
.hero h1 .accent{color:var(--c-brand);position:relative;white-space:nowrap}
.hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:12px;background:rgba(224,54,44,.16);z-index:-1;border-radius:4px}
.hero-desc{font-size:clamp(16.5px,1.6vw,19px);color:var(--c-ink-2);line-height:1.8;max-width:560px;margin:0 0 32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13.5px;color:var(--c-muted)}
.hero-visual{position:relative}
.hero-img-wrap{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);aspect-ratio:4/3.1;background:var(--c-surface)}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover}
.hero-float{position:absolute;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-md);padding:14px 18px;font-size:13.5px;font-weight:600;color:var(--c-ink);display:flex;align-items:center;gap:10px;animation:floaty 6s ease-in-out infinite}
.hero-float svg{width:20px;height:20px;flex:none}
.hero-float.f1{top:-18px;left:-14px}
.hero-float.f2{bottom:-16px;right:-8px;animation-delay:2.4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{max-width:560px;margin:0 auto}
  .hero-float.f1{left:4px}
  .hero-float.f2{right:4px}
}

/* ============================================================
   FEATURE STRIP
============================================================ */
.strip{background:var(--c-surface);border-block:1px solid var(--c-line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line)}
.strip-item{padding:var(--sp-8) var(--sp-6);background:var(--c-surface)}
.strip-item b{display:block;font-size:15.5px;margin:12px 0 6px}
.strip-item span{font-size:14px;color:var(--c-muted);line-height:1.6}
.strip-ico{width:42px;height:42px;border-radius:12px;background:var(--c-brand-soft);color:var(--c-brand-deep);display:flex;align-items:center;justify-content:center}
.strip-ico svg{width:22px;height:22px}
@media (max-width:960px){.strip-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.strip-grid{grid-template-columns:1fr}}

/* ============================================================
   PATH CARDS
============================================================ */
.paths-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.path-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);display:flex;flex-direction:column;min-height:240px}
.path-card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:rgba(224,54,44,.35)}
.path-ico{width:50px;height:50px;border-radius:14px;background:var(--c-charcoal);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.path-ico svg{width:25px;height:25px}
.path-card h3{font-size:18px;margin:0 0 8px}
.path-card p{font-size:14.5px;color:var(--c-muted);line-height:1.65;margin:0 0 18px;flex:1}
.path-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--c-brand-deep);min-height:44px}
.path-more svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.path-card:hover .path-more svg{transform:translateX(4px)}
@media (max-width:1024px){.paths-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.paths-grid{grid-template-columns:1fr}}

/* ============================================================
   SPLIT SECTIONS (비교표/절차)
============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.split-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);background:var(--c-surface)}
.split-img img{width:100%;height:auto}
.split-txt h3{font-size:clamp(22px,2.6vw,30px);margin:0 0 14px}
.split-txt p{color:var(--c-ink-2);margin:0 0 18px}
.mini-table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:separate;border-spacing:0;font-size:14.5px;margin-top:6px;-webkit-overflow-scrolling:touch}
.mini-table th,.mini-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--c-line)}
.mini-table thead th{background:var(--c-charcoal);color:#fff;font-size:13px;font-weight:700;letter-spacing:-0.01em}
.mini-table th:first-child{border-radius:10px 0 0 0}
.mini-table th:last-child{border-radius:0 10px 0 0}
.mini-table tbody tr:last-child td{border-bottom:0}
.steps-list{list-style:none;margin:0;padding:0;counter-reset:st}
.steps-list li{position:relative;padding:0 0 26px 64px;counter-increment:st}
.steps-list li::before{content:counter(st);position:absolute;left:0;top:-2px;width:44px;height:44px;border-radius:14px;background:var(--c-brand-soft);color:var(--c-brand-deep);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(224,54,44,.18)}
.steps-list li:last-child{padding-bottom:0}
.steps-list b{display:block;font-size:16px;margin-bottom:4px}
.steps-list span{font-size:14.5px;color:var(--c-muted)}
@media (max-width:960px){.split{grid-template-columns:1fr}}

/* ============================================================
   POST CARDS
============================================================ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--sh-md)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-line-2);position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-cat{font-size:12px;font-weight:700;color:var(--c-brand-deep);letter-spacing:0.01em;margin-bottom:8px}
.post-title{font-size:17.5px;line-height:1.45;margin:0 0 10px}
.post-title a{color:var(--c-ink)}
.post-title a:hover{color:var(--c-brand-deep)}
.post-excerpt{font-size:14.5px;color:var(--c-muted);line-height:1.65;margin:0 0 16px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line)}
@media (max-width:1024px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.card-grid{grid-template-columns:1fr}}

/* ============================================================
   CAUTION BAND
============================================================ */
.caution{background:var(--c-charcoal);color:#fff;border-radius:var(--r-xl);overflow:hidden;position:relative}
.caution::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 90% 0%,rgba(242,178,51,.14),transparent 55%)}
.caution-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:center;padding:clamp(40px,5vw,72px);position:relative}
.caution .kicker{color:#F2B233}
.caution .kicker::before{background:#F2B233}
.caution h2{color:#fff;font-size:clamp(24px,3vw,34px);margin:0 0 14px}
.caution p{color:rgba(255,255,255,.78);margin:0 0 22px;font-size:15.5px}
.caution-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.caution-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);line-height:1.6}
.caution-list svg{width:20px;height:20px;flex:none;margin-top:3px;color:#F2B233}
.caution-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg)}
.caution-img img{width:100%;height:auto}
@media (max-width:960px){.caution-grid{grid-template-columns:1fr}}

/* ============================================================
   FAQ
============================================================ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-weight:700;font-size:16px;min-height:60px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-ico{width:30px;height:30px;flex:none;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand-deep);display:flex;align-items:center;justify-content:center;font-weight:800;transition:transform .25s var(--ease)}
.faq-item[open] summary .faq-ico{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.75}

/* ============================================================
   CTA BAND
============================================================ */
.cta-band{background:linear-gradient(135deg,var(--c-brand),#B92A21);border-radius:var(--r-xl);color:#fff;text-align:center;padding:clamp(48px,6vw,80px) 32px;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 260px at 20% 0%,rgba(255,255,255,.16),transparent 55%)}
.cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,36px);margin:0 0 14px;position:relative}
.cta-band p{color:rgba(255,255,255,.9);margin:0 auto 28px;max-width:520px;font-size:16px;position:relative}
.cta-band .btn{background:#fff;color:var(--c-brand-deep);box-shadow:0 12px 30px rgba(0,0,0,.22);position:relative}
.cta-band .btn:hover{transform:translateY(-2px)}

/* ============================================================
   FOOTER
============================================================ */
.site-footer{background:var(--c-charcoal);color:rgba(255,255,255,.72);margin-top:var(--sp-13)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:var(--sp-11) 0 var(--sp-9)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:44px;height:44px;border-radius:12px}
.footer-brand b{color:#fff;font-size:19px}
.footer-about{font-size:14.5px;line-height:1.75;margin:0 0 18px;max-width:380px}
.footer h4{color:#fff;font-size:15px;margin:0 0 16px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-flex;min-height:36px;align-items:center}
.footer-links a:hover{color:#fff}
.footer-note{border-top:1px solid rgba(255,255,255,.12);padding:26px 0;font-size:13px;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center}
.legal-notice.footer-legal,.ai-notice.footer-ai{background:transparent;border:0;color:rgba(255,255,255,.6);font-size:12.5px;padding:0;margin:0;border-radius:0}
@media (max-width:960px){.footer-main{grid-template-columns:1fr;gap:36px}}

/* ============================================================
   PAGE / POST LAYOUT
============================================================ */
.page-shell{padding:var(--sp-10) 0 var(--sp-13)}
.article-hero{max-width:var(--maxw-narrow);margin:0 auto var(--sp-9)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:18px}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-brand-deep)}
.article-hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.3;margin:0 0 18px}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13.5px;color:var(--c-muted)}
.article-meta .badge{min-height:26px}
.article-thumb{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);max-width:var(--maxw-narrow);margin:0 auto var(--sp-9)}
.article-thumb img{width:100%;height:auto}
.entry-content{max-width:var(--maxw-narrow);margin:0 auto;font-size:17px;line-height:1.8;color:var(--c-ink-2)}
.entry-content>p{font-size:17px;line-height:1.85;margin:0 0 22px}
.entry-content h2{font-size:clamp(22px,2.6vw,28px);margin:56px 0 18px;padding-left:16px;border-left:4px solid var(--c-brand);line-height:1.4}
.entry-content h3{font-size:19px;margin:36px 0 12px;color:var(--c-ink)}
.entry-content img{border-radius:var(--r-md);box-shadow:var(--sh-sm);margin:26px 0}
.entry-content ul,.entry-content ol{margin:0 0 24px;padding-left:22px}
.entry-content li{margin-bottom:8px}
.entry-content a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(224,54,44,.4)}
.entry-content a:hover{text-decoration-color:var(--c-brand)}
.summary-box{background:var(--c-brand-soft);border:1px solid rgba(224,54,44,.18);border-radius:var(--r-md);padding:22px 26px;margin:0 0 34px}
.summary-box strong{display:block;color:var(--c-brand-deep);font-size:15px;margin-bottom:12px}
.summary-box ul{margin:0;padding:0;list-style:none}
.summary-box li{position:relative;padding-left:20px;margin-bottom:8px;font-size:15px;line-height:1.7}
.summary-box li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-brand)}
.cmp-table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:separate;border-spacing:0;margin:26px 0;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-md);-webkit-overflow-scrolling:touch}
.cmp-table thead th{background:var(--c-charcoal);color:#fff;font-weight:700;text-align:left;padding:13px 16px;font-size:13.5px;letter-spacing:-0.01em}
.cmp-table tbody td{padding:12px 16px;border-top:1px solid var(--c-line);background:var(--c-surface);vertical-align:top}
.cmp-table tbody tr:nth-child(even) td{background:#FCFAF7}
blockquote{margin:30px 0;padding:20px 24px 20px 28px;border-left:4px solid var(--c-brand);background:var(--c-surface);border-radius:0 var(--r-md) var(--r-md) 0;box-shadow:var(--sh-sm);color:var(--c-ink-2)}
blockquote p{margin:0;font-size:15.5px;line-height:1.8}
.chart{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;margin:26px 0;display:grid;gap:16px}
.bar-row{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:center}
.bar-label{font-size:14px;font-weight:700;color:var(--c-ink)}
.bar-track{background:var(--c-line-2);border-radius:999px;height:28px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-brand),#E8645C);display:flex;align-items:center;justify-content:flex-end;padding:0 12px;min-width:0}
.bar-fill span{font-size:11.5px;font-weight:700;color:#fff;white-space:nowrap}
.steps{list-style:none;counter-reset:st2;margin:0 0 26px;padding:0}
.steps li{position:relative;padding:0 0 18px 52px;counter-increment:st2;font-size:15.5px}
.steps li::before{content:counter(st2);position:absolute;left:0;top:-2px;width:36px;height:36px;border-radius:12px;background:var(--c-charcoal);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.legal-notice{font-size:.85em;color:#777;background:#f8f9fa;border-left:3px solid #cbd5e1;padding:10px 14px;margin-top:2em;border-radius:0 6px 6px 0}
.legal-notice p{margin:4px 0;font-size:14px}
.ai-notice{font-size:.85em;color:#888;margin-top:2em}

/* TOC (easy-table-of-contents) */
#ez-toc-container{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-sm);padding:20px 22px;margin:0 0 34px;width:100%}
#ez-toc-container .ez-toc-title{font-weight:800;color:var(--c-ink);font-size:15.5px}
#ez-toc-container ul{list-style:none;margin:12px 0 0;padding:0}
#ez-toc-container li{margin-bottom:6px;font-size:14.5px}
#ez-toc-container a{color:var(--c-ink-2);text-decoration:none}
#ez-toc-container a:hover{color:var(--c-brand-deep)}

/* Related posts */
.related{max-width:var(--maxw);margin:var(--sp-12) auto 0;padding:0 24px}
.related h2{font-size:24px;margin:0 0 26px}
.related .card-grid{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.related .card-grid{grid-template-columns:1fr}}

/* Post navigation */
.post-nav{max-width:var(--maxw-narrow);margin:var(--sp-9) auto 0;display:flex;justify-content:space-between;gap:16px}
.post-nav a{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 20px;font-size:14px;color:var(--c-ink-2);min-height:44px;display:inline-flex;align-items:center;transition:border-color .2s var(--ease),transform .2s var(--ease)}
.post-nav a:hover{border-color:var(--c-brand);color:var(--c-brand-deep);transform:translateY(-2px)}

/* ============================================================
   REVEAL MOTION
============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}
@media (max-width:600px){
  body{font-size:16px}
  .section{padding:var(--sp-9) 0}
  .post-card .post-title{font-size:16.5px}
}