/*
Theme Name: SHINANTECH
Theme URI: https://www.shinantech.com/
Author: 신안테크
Author URI: https://www.shinantech.com/
Description: 신안테크 공식 테마 — 산업용 터보팬 자동설계 프로그램. Fan & Blower Program, Since 2014. CAD 자동제도 히어로 애니메이션과 사업영역·유튜브·문의 섹션을 갖춘 맞춤 워드프레스 테마.
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shinantech
*/

:root{
  --ink:#641A22; --ink-2:#7A222B; --ink-3:#8E2D37;
  --paper:#F7F3F3; --paper-2:#FFFFFF; --line:#ECE2E2; --line-d:rgba(255,255,255,.12);
  --text:#271519; --muted:#7C6B6D; --muted-d:rgba(255,255,255,.66);
  --blue:#A62B35; --blue-d:#8A2029; --cyan:#E3A24A; --steel:#C49AA0; --warm:#E0852B;
  --display:"Space Grotesk","Pretendard Variable",Pretendard,sans-serif;
  --kr:"Pretendard Variable",Pretendard,sans-serif;
  --mono:"JetBrains Mono",monospace;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--kr);color:var(--text);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--blue);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:9px}
.eyebrow .dot{width:7px;height:7px;border-radius:2px;background:var(--blue);display:inline-block}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.82);backdrop-filter:saturate(150%) blur(12px);-webkit-backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line-d)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:15px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand .mark{height:30px;width:auto;flex:0 0 auto;display:block}
.brand .name{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.04em}
.brand .name span{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;color:var(--muted-d);transition:color .2s}
.nav-links a:hover,.nav-links li.current-menu-item>a{color:#fff}
.nav-cta{font-family:var(--kr);font-size:13px;font-weight:600;color:var(--ink);background:#fff;padding:6px 13px;border-radius:7px;transition:opacity .2s}
.nav-cta:hover{opacity:.88}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer;line-height:1}

/* HERO */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  linear-gradient(transparent 0 39px,rgba(124,139,163,.07) 39px 40px),
  linear-gradient(90deg,transparent 0 39px,rgba(124,139,163,.07) 39px 40px);
  background-size:40px 40px;pointer-events:none;mask-image:radial-gradient(120% 90% at 70% 10%,#000,transparent 75%);-webkit-mask-image:radial-gradient(120% 90% at 70% 10%,#000,transparent 75%)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:90px 24px 100px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{font-family:var(--kr);font-weight:700;font-size:clamp(34px,5vw,60px);line-height:1.12;letter-spacing:-.02em;margin:22px 0 0}
.hero h1 em{font-style:normal;color:var(--cyan);background:linear-gradient(90deg,#F0C277,#FFFFFF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{margin-top:24px;max-width:32em;color:var(--muted-d);font-size:17px}
.hero .ctas{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.btn{font-family:var(--kr);font-weight:600;font-size:15px;padding:13px 24px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:transform .15s,background .2s,border-color .2s;display:inline-flex;align-items:center;gap:9px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-ghost{border-color:var(--line-d);color:#fff}
.btn-ghost:hover{border-color:rgba(255,255,255,.4)}
.btn-yt{background:#FF0033;color:#fff}
.btn-yt:hover{background:#d8002b}

/* CAD 자동제도 비주얼 */
.fan-stage{display:grid;place-items:center;position:relative}
.cad-board{width:min(460px,90vw);aspect-ratio:1.35/1;border-radius:18px;position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(0deg,transparent 0 23px,rgba(124,139,163,.09) 23px 24px),
    repeating-linear-gradient(90deg,transparent 0 23px,rgba(124,139,163,.09) 23px 24px),
    linear-gradient(160deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--line-d);box-shadow:0 40px 90px -50px rgba(0,0,0,.9),inset 0 0 60px rgba(0,0,0,.55)}
.cad-board svg{position:absolute;inset:0;width:100%;height:100%;padding:20px}
.cad-tag{position:absolute;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;color:var(--steel);z-index:2}
.cad-tag.tl{top:14px;left:16px}
.cad-tag.br{bottom:14px;right:16px;color:var(--cyan)}
.cadlogo path,.cadlogo circle{stroke:#ffffff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 5px rgba(255,255,255,.30))}
.cadlogo .cls-1{stroke-width:6.6px;fill:none}
.cadlogo .rotor{transform-box:view-box;transform-origin:107.42px 77.85px}
.cadlogo .rotor.spin{animation:rspin 3s linear infinite}
@keyframes rspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.cadlogo .rotor.spin{animation:none}}

/* generic section */
.sec{padding:92px 0}
.sec-head{max-width:46em}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;margin-top:14px;line-height:1.25}
.sec-head p{color:var(--muted);font-size:16px;margin-top:14px}

/* PRODUCT */
.product{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feat-grid{margin-top:46px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px}
.feat .ic{width:42px;height:42px;border-radius:10px;background:rgba(166,43,53,.10);display:grid;place-items:center;color:var(--blue);font-family:var(--mono);font-weight:700}
.feat h3{font-size:18px;font-weight:700;margin-top:18px}
.feat p{color:var(--muted);font-size:14.5px;margin-top:10px}

/* parts list */
.parts{margin-top:22px;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.part{background:var(--paper-2);padding:20px 22px;display:flex;gap:16px;align-items:flex-start}
.part .no{font-family:var(--mono);font-weight:700;color:var(--blue);font-size:14px;flex:0 0 auto;width:46px}
.part .t{font-weight:600;font-size:15px}
.part .d{color:var(--muted);font-size:13.5px;margin-top:3px}

/* STATS */
.stats{background:var(--ink);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-d);border:1px solid var(--line-d);border-radius:14px;overflow:hidden}
.stat{background:var(--ink);padding:30px 24px}
.stat .n{font-family:var(--display);font-weight:700;font-size:38px;letter-spacing:-.01em}
.stat .n em{font-style:normal;font-size:20px;color:var(--steel)}
.stat .l{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted-d);margin-top:8px;text-transform:uppercase}

/* YOUTUBE */
.yt-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.yt-copy h2{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.02em}
.yt-copy p{color:var(--muted);margin-top:16px;font-size:16px;max-width:30em}
.yt-card{aspect-ratio:16/9;border-radius:16px;background:linear-gradient(135deg,var(--ink-2),var(--ink));border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden}
.yt-card .play{width:74px;height:74px;border-radius:50%;background:#FF0033;display:grid;place-items:center;box-shadow:0 16px 40px -12px rgba(255,0,51,.6)}
.yt-card .play::after{content:"";border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent #fff;margin-left:5px}
.yt-card .tagline{position:absolute;bottom:16px;left:18px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted-d)}
.yt-card iframe{width:100%;height:100%;border:0;display:block}
.yt-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
@media(max-width:860px){.yt-grid{grid-template-columns:1fr}}

/* SIDE BIZ */
.biz-grid{margin-top:46px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.biz{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:28px 26px;position:relative;overflow:hidden;transition:transform .2s,box-shadow .25s,border-color .2s;display:flex;flex-direction:column;min-height:210px}
.biz::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c,var(--blue));transform:scaleY(0);transform-origin:top;transition:transform .3s}
.biz:hover{transform:translateY(-4px);box-shadow:0 24px 50px -30px rgba(11,18,32,.4);border-color:transparent}
.biz:hover::before{transform:scaleY(1)}
.biz .ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;background:var(--ct,rgba(166,43,53,.10));color:var(--c,var(--blue))}
.biz .ic svg{width:24px;height:24px}
.biz h3{font-size:18px;font-weight:700;margin-top:18px}
.biz p{color:var(--muted);font-size:14px;margin-top:10px;flex:1}

/* CONTACT */
.cta{padding:96px 0}
.cta-box{background:linear-gradient(120deg,var(--ink),var(--ink-3));border-radius:22px;padding:60px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(80% 120% at 50% -20%,rgba(166,43,53,.25),transparent 55%)}
.cta-box>*{position:relative}
.cta-box h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.02em}
.cta-box p{color:var(--muted-d);margin-top:14px;font-size:16px}
.cta-box .ctas{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-form{max-width:520px;margin:28px auto 0}
.cta-fields{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.cta-form input[type=text]{flex:1;min-width:170px;font-family:var(--kr);font-size:15px;text-align:center;border:1px solid var(--line-d);border-radius:10px;padding:13px 16px;background:rgba(255,255,255,.96);color:var(--text)}
.cta-form input[type=text]:focus{outline:none;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}
.cta-form input.invalid{box-shadow:0 0 0 2px #F2B8B8}
.cta-submit{display:flex;justify-content:center;margin:18px auto 0;min-width:230px;background:var(--cyan);color:var(--ink);font-weight:700;font-size:17px;padding:15px 30px;letter-spacing:.02em}
.cta-submit:hover{opacity:.92;transform:translateY(-1px)}
.cta-err{display:none;color:#FFD2D2;font-size:13.5px;margin-top:12px;text-align:center}
.cta-err.show{display:block}
.cta .okpanel{display:none;color:#fff;text-align:center}
.cta .okpanel.show{display:block}
.cta .okpanel h3{font-size:22px;font-weight:700}
.cta .okpanel p{color:var(--muted-d);margin-top:8px;font-size:15px}

/* ---------- BLOG / NEWS ---------- */
.page-hero{background:var(--ink);color:#fff;padding:72px 0 60px}
.page-hero .eyebrow{color:var(--cyan)}
.page-hero h1{font-family:var(--display);font-weight:700;font-size:clamp(30px,4vw,48px);letter-spacing:-.02em;margin-top:14px}
.page-hero p{color:var(--muted-d);margin-top:14px;font-size:16px;max-width:40em}
.blog-area{padding:72px 0 96px}
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .25s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px -30px rgba(11,18,32,.4)}
.post-card .thumb{aspect-ratio:16/9;background:var(--ink-2);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .pc-body{padding:24px;display:flex;flex-direction:column;flex:1}
.post-card .pc-cat{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.post-card h2{font-size:19px;font-weight:700;line-height:1.4;margin-top:10px}
.post-card h2 a:hover{color:var(--blue)}
.post-card .excerpt{color:var(--muted);font-size:14px;margin-top:10px;flex:1}
.post-card .pc-meta{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:16px;letter-spacing:.03em}
.pagination{margin-top:48px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.pagination .page-numbers{font-family:var(--mono);font-size:14px;color:var(--text);border:1px solid var(--line);background:var(--paper-2);padding:9px 15px;border-radius:8px;transition:background .2s,color .2s}
.pagination .page-numbers.current,.pagination .page-numbers:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

.single-area{padding:64px 0 96px}
.basic-page{padding:64px 0 96px}
.entry{max-width:760px;margin:0 auto}
.entry-head{margin-bottom:36px}
.entry-head .cat{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.entry-head h1{font-size:clamp(28px,3.6vw,42px);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-top:12px}
.entry-head .meta{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:16px;letter-spacing:.03em}
.entry .featured{margin:0 0 32px;border-radius:14px;overflow:hidden}
.entry-content{font-size:16.5px;line-height:1.8;color:var(--text)}
.entry-content>*{margin-bottom:1.1em}
.entry-content h2{font-size:26px;font-weight:700;margin-top:1.6em;letter-spacing:-.01em}
.entry-content h3{font-size:21px;font-weight:700;margin-top:1.4em}
.entry-content a{color:var(--blue);text-decoration:underline}
.entry-content ul,.entry-content ol{padding-left:1.4em}
.entry-content li{margin-bottom:.4em}
.entry-content blockquote{border-left:3px solid var(--blue);padding:6px 0 6px 20px;color:var(--muted);font-style:italic}
.entry-content img{border-radius:12px}
.entry-content code{font-family:var(--mono);font-size:.9em;background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:2px 6px}
.entry-content pre{background:var(--ink);color:#fff;border-radius:12px;padding:20px;overflow:auto;font-family:var(--mono);font-size:13.5px}
.entry-content pre code{background:none;border:0;padding:0;color:inherit}
.entry-footer{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.entry-footer .tags a{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);padding:5px 11px;border-radius:999px;margin-right:6px}
.post-nav{max-width:760px;margin:40px auto 0;display:flex;justify-content:space-between;gap:16px;font-size:14px}
.post-nav a{color:var(--blue);font-weight:600}
.comments-area{max-width:760px;margin:56px auto 0}
.comments-area h2,.comments-area h3{font-size:20px;font-weight:700;margin-bottom:20px}
.comment-list{list-style:none}
.comment-list li{border-top:1px solid var(--line);padding:18px 0}
.comment-form input,.comment-form textarea{width:100%;font-family:var(--kr);font-size:15px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:14px;background:var(--paper)}
.comment-form .submit,.comment-form input[type=submit]{width:auto;background:var(--ink);color:#fff;border:0;border-radius:10px;padding:12px 24px;font-weight:700;cursor:pointer}
.notice-empty{text-align:center;padding:90px 0}
.notice-empty h1{font-size:clamp(60px,10vw,120px);font-family:var(--display);font-weight:700;color:var(--line)}
.notice-empty p{color:var(--muted);margin-top:12px}
.notice-empty .btn{margin-top:26px;background:var(--ink);color:#fff}

/* FOOTER */
footer.site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding:54px 0 38px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.foot .flogo{height:34px;width:auto;display:block;margin-bottom:14px}
.foot .name{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.04em}
.foot .name span{color:var(--blue)}
.foot .desc{color:var(--muted);font-size:13.5px;margin-top:14px;max-width:26em;line-height:1.7}
.foot h4{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin-bottom:9px;font-size:14px}
.foot a:hover{color:var(--blue)}
.foot .note{color:var(--muted);font-size:13px}
.copy{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.03em}

@media (max-width:980px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .post-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr;gap:48px;padding:64px 24px 76px}
  .yt-inner{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .parts{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--ink);border-bottom:1px solid var(--line-d);padding:8px 24px 16px}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line-d);width:100%}
  .nav-toggle{display:block}
}
@media (max-width:520px){
  .feat-grid,.biz-grid,.stats-grid,.post-list{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .cta-box{padding:44px 24px}
}