/*
Theme Name: Sunting Pro - 건물 썬팅 전문
Version: 2.0
Text Domain: sunting-pro
*/

/* =========================================
   BASE
   ========================================= */
:root {
  --gold: #c3964e;
  --gold-light: #d4a96a;
  --dark: #1a1a1a;
  --darker: #111111;
  --navy: #0a1628;
  --white: #ffffff;
  --gray: #f5f5f5;
  --text: #333333;
  --text-muted: #888888;
  --font-ko: 'Noto Sans KR', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --transition: all 0.35s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-ko);color:var(--text);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none;padding:0;margin:0}

/* =========================================
   NAVBAR
   ========================================= */
#mainNav{background:transparent;padding:22px 0;transition:var(--transition)}
#mainNav.scrolled{background:rgba(10,22,40,0.97);padding:14px 0;box-shadow:0 4px 30px rgba(0,0,0,0.3);backdrop-filter:blur(10px)}
.nav-container{max-width:1400px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}
.navbar-brand{display:flex;flex-direction:column;line-height:1;text-decoration:none}
.logo-text{font-family:var(--font-en);font-size:20px;font-weight:800;color:var(--white);letter-spacing:1px}
.logo-sub{font-family:var(--font-en);font-size:10px;letter-spacing:3px;color:var(--gold);font-weight:600;margin-top:2px}
.navbar-nav .nav-link{font-family:var(--font-en);font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,0.85)!important;padding:8px 16px!important;transition:var(--transition);position:relative}
.navbar-nav .nav-link::after{content:'';position:absolute;bottom:2px;left:16px;right:16px;height:1px;background:var(--gold);transform:scaleX(0);transition:var(--transition)}
.navbar-nav .nav-link:hover{color:var(--white)!important}
.navbar-nav .nav-link:hover::after{transform:scaleX(1)}
.header-phone{display:flex;align-items:center;gap:8px;color:var(--white);font-family:var(--font-en);font-size:14px;font-weight:700;letter-spacing:0.5px;border:1px solid rgba(255,255,255,0.3);padding:8px 18px;transition:var(--transition)}
.header-phone:hover{background:var(--gold);border-color:var(--gold);color:var(--white)}
.header-phone i{font-size:12px;color:var(--gold)}
.header-phone:hover i{color:var(--white)}

/* =========================================
   HERO SLIDER
   ========================================= */
#hero-slider,
.hero-slide{height:100vh;min-height:700px}
.hero-slide{background-size:cover;background-position:center;background-repeat:no-repeat;position:relative;display:flex;align-items:center}
.hero-slide::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,0.78) 0%,rgba(0,0,0,0.45) 60%,rgba(0,0,0,0.2) 100%)}
.hero-content{position:relative;z-index:2;max-width:1400px;width:100%;margin:0 auto;padding:0 60px}
.hero-tag{display:inline-block;font-family:var(--font-en);font-size:12px;font-weight:600;letter-spacing:4px;text-transform:uppercase;color:rgba(255,255,255,0.7);margin-bottom:24px;opacity:0;transform:translateY(20px);transition:opacity 0.8s ease 0.2s,transform 0.8s ease 0.2s}
.hero-title{font-size:clamp(36px,5.5vw,72px);font-weight:800;color:var(--white);line-height:1.15;margin-bottom:24px;opacity:0;transform:translateY(30px);transition:opacity 0.8s ease 0.4s,transform 0.8s ease 0.4s}
.hero-desc{font-size:clamp(15px,1.8vw,20px);color:rgba(255,255,255,0.75);margin-bottom:40px;opacity:0;transform:translateY(20px);transition:opacity 0.8s ease 0.6s,transform 0.8s ease 0.6s}
.hero-btn{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;background:var(--gold);color:var(--white);font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;border:2px solid var(--gold);opacity:0;transform:translateY(20px);transition:opacity 0.8s ease 0.8s,transform 0.8s ease 0.8s,background 0.3s,color 0.3s}
.hero-btn:hover{background:transparent;color:var(--white)}
.swiper-slide-active .hero-tag,
.swiper-slide-active .hero-title,
.swiper-slide-active .hero-desc,
.swiper-slide-active .hero-btn{opacity:1;transform:translateY(0)}
.hero-stats-bar{position:absolute;bottom:0;left:0;right:0;background:rgba(10,22,40,0.85);backdrop-filter:blur(10px);border-top:1px solid rgba(195,150,78,0.3);z-index:10}
.hero-stats-inner{max-width:1400px;margin:0 auto;padding:0 60px;display:grid;grid-template-columns:repeat(4,1fr)}
.hero-stat{padding:28px 24px;border-right:1px solid rgba(255,255,255,0.07);text-align:center}
.hero-stat:last-child{border-right:none}
.stat-num{display:block;font-family:var(--font-en);font-size:42px;font-weight:800;color:var(--gold);line-height:1;margin-bottom:6px}
.stat-num sup{font-size:20px}
.stat-num sub{font-size:18px;font-weight:600}
.stat-label{font-size:12px;color:rgba(255,255,255,0.55);letter-spacing:1px}
.swiper-button-prev,.swiper-button-next{color:var(--white)!important;width:52px!important;height:52px!important;border:1px solid rgba(255,255,255,0.3)!important;transition:var(--transition)!important}
.swiper-button-prev::after,.swiper-button-next::after{font-size:16px!important}
.swiper-button-prev:hover,.swiper-button-next:hover{background:var(--gold)!important;border-color:var(--gold)!important}
.swiper-pagination-bullet{background:rgba(255,255,255,0.5)!important;opacity:1!important}
.swiper-pagination-bullet-active{background:var(--gold)!important}

/* =========================================
   SECTION COMMONS
   ========================================= */
.section-tag{display:inline-block;font-family:var(--font-en);font-size:11px;font-weight:600;letter-spacing:4px;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.section-title{font-family:var(--font-en);font-size:clamp(28px,3.5vw,48px);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:16px}
.section-title.light{color:var(--white)}
.section-desc{font-size:15px;color:var(--text-muted);line-height:1.9}
.section-divider{width:50px;height:2px;background:var(--gold);margin:16px 0 32px}

/* =========================================
   ABOUT
   ========================================= */
#about{padding:120px 0;background:var(--white)}
.about-label{font-family:var(--font-en);font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--gold);font-weight:600;display:block;margin-bottom:12px}
.about-headline{font-family:var(--font-en);font-size:clamp(22px,2.8vw,38px);font-weight:800;color:var(--dark);letter-spacing:-0.5px;margin-bottom:24px;line-height:1.25}
.about-text{font-size:15px;color:#555;line-height:2}
.about-img-wrap{position:relative}
.about-img-wrap img{width:100%;height:520px;object-fit:cover}
.about-video-btn{position:absolute;bottom:-24px;right:-24px;width:140px;height:140px;background:var(--dark);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;cursor:pointer;transition:var(--transition);text-decoration:none}
.about-video-btn:hover{background:var(--gold)}
.video-play-icon{width:44px;height:44px;border-radius:50%;background:var(--gold);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:16px;padding-left:3px;transition:var(--transition)}
.about-video-btn:hover .video-play-icon{background:var(--white);color:var(--gold)}
.video-label{font-family:var(--font-en);font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--white);text-align:center;line-height:1.4}

/* =========================================
   PRODUCTS
   ========================================= */
#products{padding:100px 0;background:var(--gray);position:relative;overflow:hidden}
.products-bg-text{position:absolute;top:40px;left:50%;transform:translateX(-50%);font-family:var(--font-en);font-size:clamp(80px,12vw,180px);font-weight:800;color:rgba(0,0,0,0.03);white-space:nowrap;pointer-events:none;letter-spacing:-5px}
.product-series-label{font-family:var(--font-en);font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--gold);font-weight:600;display:block;margin-bottom:8px}
.product-series-title{font-family:var(--font-en);font-size:clamp(22px,3vw,42px);font-weight:800;color:var(--dark)}
.products-swiper{padding:16px 4px 48px!important}
.product-card{background:var(--white);border:1px solid #eee;overflow:hidden;transition:var(--transition);position:relative}
.product-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,0.12);border-color:transparent}
.product-card-img{height:220px;background-size:cover;background-position:center top;background-color:#1a1a1a;position:relative;overflow:hidden}
.product-card-img::before{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.7) 0%,transparent 60%)}
.product-card-name{position:absolute;bottom:16px;left:20px;font-family:var(--font-en);font-size:24px;font-weight:800;color:var(--gold);letter-spacing:-0.5px}
.product-card-body{padding:24px}
.product-card-subtitle{font-family:var(--font-en);font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px;display:block}
.product-card-desc{font-size:14px;color:#555;line-height:1.7;margin-bottom:20px}
.product-specs{display:flex;gap:16px;border-top:1px solid #eee;padding-top:16px}
.product-spec-item{text-align:center;flex:1}
.spec-value{display:block;font-family:var(--font-en);font-size:20px;font-weight:800;color:var(--gold);line-height:1;margin-bottom:4px}
.spec-key{font-size:10px;color:var(--text-muted);letter-spacing:0.5px}
.product-card-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);margin-top:16px;transition:var(--transition)}
.product-card-link:hover{gap:12px;color:var(--dark)}

/* =========================================
   PORTFOLIO
   ========================================= */
#portfolio{padding:100px 0;background:var(--white)}
.portfolio-card{position:relative;overflow:hidden;height:400px;cursor:pointer;display:block}
.portfolio-card img{width:100%;height:100%;object-fit:cover;transition:transform 0.7s ease}
.portfolio-card:hover img{transform:scale(1.07)}
.portfolio-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(195,150,78,0.88) 0%,rgba(0,0,0,0.1) 60%);display:flex;flex-direction:row;align-items:flex-end;justify-content:space-between;padding:28px;opacity:0;transition:var(--transition)}
.portfolio-card:hover .portfolio-overlay{opacity:1}
.portfolio-cat{font-family:var(--font-en);font-size:10px;letter-spacing:3px;text-transform:uppercase;color:rgba(255,255,255,0.8);display:block;margin-bottom:6px}
.portfolio-name{font-weight:700;font-size:17px;color:var(--white);line-height:1.3}
.portfolio-arrow{width:44px;height:44px;border:1.5px solid rgba(255,255,255,0.6);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:14px;flex-shrink:0;align-self:flex-end}

/* =========================================
   FEATURES
   ========================================= */
#features{padding:100px 0;background:var(--gray)}
.feature-item{text-align:center;padding:40px 24px;transition:var(--transition)}
.feature-item:hover{transform:translateY(-6px)}
.feature-icon-wrap{width:90px;height:90px;background:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 28px;box-shadow:0 8px 32px rgba(0,0,0,0.08);transition:var(--transition)}
.feature-item:hover .feature-icon-wrap{background:var(--gold);box-shadow:0 12px 40px rgba(195,150,78,0.35)}
.feature-icon-wrap img{width:44px;height:44px;object-fit:contain}
.feature-name{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:10px}
.feature-desc{font-size:13px;color:var(--text-muted);line-height:1.7}

/* =========================================
   EFFECTS (4 panels)
   ========================================= */
#effects{display:grid;grid-template-columns:repeat(4,1fr)}
.effect-panel{position:relative;height:680px;overflow:hidden;cursor:pointer}
.effect-panel-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 0.7s ease}
.effect-panel:hover .effect-panel-bg{transform:scale(1.06)}
.effect-panel-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.52);transition:var(--transition)}
.effect-panel:hover .effect-panel-overlay{background:rgba(195,150,78,0.65)}
.effect-panel-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:36px 32px}
.effect-panel-title{font-size:20px;font-weight:800;color:var(--white);margin-bottom:16px}
.effect-panel-divider{width:0;height:1.5px;background:var(--white);margin-bottom:16px;transition:width 0.5s ease}
.effect-panel:hover .effect-panel-divider{width:40px}
.effect-panel-desc{font-size:13px;color:rgba(255,255,255,0.85);line-height:1.8;max-height:0;overflow:hidden;transition:max-height 0.5s ease}
.effect-panel:hover .effect-panel-desc{max-height:220px}
.effect-panel-link{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--dark);color:var(--white);font-size:14px;margin-top:20px;opacity:0;transform:translateY(10px);transition:var(--transition);align-self:flex-start}
.effect-panel:hover .effect-panel-link{opacity:1;transform:translateY(0)}

/* =========================================
   PROCESS
   ========================================= */
#process{padding:100px 0;background:var(--navy);color:var(--white)}
.process-step{display:flex;gap:24px;padding:28px;border:1px solid rgba(255,255,255,0.07);transition:var(--transition);height:100%}
.process-step:hover{border-color:rgba(195,150,78,0.35);background:rgba(255,255,255,0.03)}
.step-num{font-family:var(--font-en);font-size:52px;font-weight:900;color:rgba(195,150,78,0.2);line-height:1;flex-shrink:0;width:56px;transition:var(--transition)}
.process-step:hover .step-num{color:var(--gold)}
.step-title{font-size:16px;font-weight:700;margin-bottom:10px;color:var(--white)}
.step-desc{font-size:13px;color:rgba(255,255,255,0.5);line-height:1.8}

/* =========================================
   FAQ
   ========================================= */
#faq{padding:100px 0;background:var(--white)}
.faq-item{border-bottom:1px solid #eee}
.faq-btn{width:100%;text-align:left;background:none;border:none;padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;color:var(--dark);cursor:pointer;font-family:var(--font-ko);gap:16px;transition:var(--transition)}
.faq-btn:hover{color:var(--gold)}
.faq-icon{width:28px;height:28px;border:1.5px solid #ddd;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;transition:var(--transition)}
.faq-item.open .faq-icon{background:var(--gold);border-color:var(--gold);color:var(--white)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease}
.faq-item.open .faq-answer{max-height:600px}
.faq-answer-inner{padding:0 0 24px;font-size:15px;color:#555;line-height:1.9}

/* =========================================
   CONTACT
   ========================================= */
#contact{padding:0;display:grid;grid-template-columns:1fr 1fr}
.contact-info-side{background:var(--navy);padding:100px 80px;color:var(--white)}
.contact-form-side{background:var(--gray);padding:100px 80px}
.contact-detail{display:flex;align-items:flex-start;gap:18px;margin-bottom:32px}
.detail-icon{width:48px;height:48px;background:rgba(195,150,78,0.12);border:1px solid rgba(195,150,78,0.3);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:16px;flex-shrink:0}
.detail-label{font-family:var(--font-en);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,0.35);display:block;margin-bottom:4px}
.detail-value{font-size:15px;font-weight:700;color:var(--white)}
.form-title{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:8px}
.form-subtitle{font-size:14px;color:var(--text-muted);margin-bottom:32px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#777;margin-bottom:7px}
.form-field label .req{color:var(--gold);margin-left:2px}
.form-control-custom{width:100%;padding:14px 18px;border:1.5px solid #ddd;background:var(--white);font-size:15px;font-family:var(--font-ko);color:var(--dark);transition:var(--transition);outline:none;border-radius:0;appearance:none}
.form-control-custom:focus{border-color:var(--gold)}
.form-control-custom.textarea{min-height:120px;resize:vertical}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.submit-btn{width:100%;padding:18px;background:var(--navy);color:var(--white);border:none;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;font-family:var(--font-en);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:10px;margin-top:8px}
.submit-btn:hover{background:var(--gold)}
.form-privacy{text-align:center;font-size:12px;color:var(--text-muted);margin-top:12px}

/* =========================================
   FOOTER
   ========================================= */
#site-footer{background:var(--darker);color:rgba(255,255,255,0.55)}
.footer-top{padding:70px 0;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-logo{display:block;font-family:var(--font-en);font-size:22px;font-weight:800;color:var(--white);letter-spacing:1px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.9;margin-bottom:24px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.4);font-size:14px;transition:var(--transition)}
.footer-social a:hover{background:var(--gold);border-color:var(--gold);color:var(--white)}
.footer-heading{font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--white);margin-bottom:20px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.4);transition:var(--transition)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;margin-bottom:14px;color:rgba(255,255,255,0.45)}
.footer-contact-list i{color:var(--gold);margin-top:3px;flex-shrink:0}
.footer-bottom{padding:24px 0;font-size:13px;color:rgba(255,255,255,0.25)}
.footer-bottom a{color:rgba(255,255,255,0.3);margin-left:20px;transition:var(--transition)}
.footer-bottom a:hover{color:var(--gold)}
.biz-info{font-size:12px;margin-top:4px;color:rgba(255,255,255,0.18)}

/* =========================================
   FLOATING
   ========================================= */
.floating-btns{position:fixed;right:28px;bottom:28px;display:flex;flex-direction:column;gap:10px;z-index:9000}
.float-btn{width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:var(--transition);border:none;text-decoration:none;box-shadow:0 4px 20px rgba(0,0,0,0.2)}
.float-call{background:var(--gold);color:var(--white)}
.float-call:hover{background:#a37a38;color:var(--white);transform:scale(1.08)}
.float-kakao{background:#FEE500;color:#3A1D1D}
.float-kakao:hover{transform:scale(1.08)}
.float-top{background:var(--navy);color:var(--white)}
.float-top:hover{background:var(--gold);transform:scale(1.08)}

/* =========================================
   ANIMATIONS
   ========================================= */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:0.1s}
.reveal-d2{transition-delay:0.2s}
.reveal-d3{transition-delay:0.3s}
.reveal-d4{transition-delay:0.4s}

/* =========================================
   RESPONSIVE
   ========================================= */
@media(max-width:1200px){
  #effects{grid-template-columns:repeat(2,1fr)}
  .effect-panel{height:500px}
  .effect-panel-desc{max-height:200px}
  .effect-panel-divider{width:40px}
}
@media(max-width:992px){
  .hero-stats-inner{grid-template-columns:repeat(2,1fr)}
  #contact{grid-template-columns:1fr}
  .contact-info-side,.contact-form-side{padding:60px 40px}
  .about-video-btn{display:none}
}
@media(max-width:768px){
  #effects{grid-template-columns:1fr 1fr}
  .effect-panel{height:320px}
  .hero-content{padding:0 24px}
  .hero-stats-inner{padding:0 24px;grid-template-columns:repeat(2,1fr)}
  .hero-stat{padding:18px 12px}
  .stat-num{font-size:28px}
  .contact-info-side,.contact-form-side{padding:60px 24px}
  .form-row-2{grid-template-columns:1fr}
  .nav-container{padding:0 20px}
}
@media(max-width:480px){
  #effects{grid-template-columns:1fr}
  .floating-btns{right:16px;bottom:16px}
  .float-btn{width:46px;height:46px;font-size:16px}
}