/* =====================================================
   (주)두자 DooJa Engineering - Revision R13
   - 수행실적(Projects) 수행년도(기간) 컬럼 추가 및 연도별 정렬
   - 작업실적(Portfolio) 딥블루 테크니컬 디자인 & 정돈된 도면 카드
   - 회사 정확한 네이버 위성 위치도 연동 및 길찾기
   ===================================================== */
:root {
    --orange-500: #F5A623; --orange-600: #E8951A; --orange-700: #D4850F;
    --orange-400: #F7B84E; --orange-300: #FACB79; --orange-100: #FEF3E0;
    --navy-950: #050B14; --navy-900: #0A1628; --navy-850: #0D1E36; --navy-800: #0F2548; --navy-700: #163664;
    --blue-600: #2563EB; --blue-500: #3B82F6; --blue-400: #60A5FA; --blue-300: #93C5FD;
    --cyan-400: #38BDF8;
    --gray-900: #0F1419; --gray-800: #1A2332; --gray-700: #2C3E50;
    --gray-600: #4A5568; --gray-500: #718096; --gray-400: #A0AEC0;
    --gray-300: #CBD5E0; --gray-200: #E2E8F0; --gray-100: #F7FAFC;
    --white: #FFFFFF;
    --bg-section: #F8F9FB;
    --font-kr: 'Noto Sans KR', sans-serif;
    --font-en: 'Inter', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --container: 1200px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font-kr);color:var(--gray-700);line-height:1.7;background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* --- Utility --- */
.text-accent{color:var(--orange-500)}
.text-gradient{background:linear-gradient(135deg,var(--orange-400),var(--orange-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* --- Section Headers --- */
.section-header{margin-bottom:48px}
.section-header-center{text-align:center}
.section-tag{display:inline-block;font-family:var(--font-en);font-size:12px;font-weight:800;letter-spacing:3px;color:var(--orange-500);text-transform:uppercase;margin-bottom:8px}
.section-header h2{font-size:clamp(28px,4vw,38px);font-weight:900;color:var(--navy-900);line-height:1.25}
.section-desc{font-size:16px;color:var(--gray-500);margin-top:12px;max-width:640px}
.section-header-center .section-desc{margin-left:auto;margin-right:auto}

/* ==================== NAV ==================== */
#navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,22,40,0.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.08);transition:var(--transition)}
#navbar.scrolled{background:rgba(10,22,40,0.98);box-shadow:var(--shadow-md)}
.nav-wrap{max-width:var(--container);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;justify-content:space-between}
.nav-logo img{height:40px;width:auto}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-link{font-size:15px;font-weight:600;color:rgba(255,255,255,0.85);transition:var(--transition);position:relative;padding:6px 0}
.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--orange-500);transition:var(--transition);border-radius:2px}
.nav-link:hover,.nav-link.active{color:var(--orange-400)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media (max-width: 900px){
    .nav-toggle{display:flex}
    .nav-menu{position:fixed;top:76px;left:0;right:0;background:rgba(10,22,40,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:32px 24px;gap:20px;transform:translateY(-150%);opacity:0;pointer-events:none;transition:var(--transition);border-bottom:1px solid rgba(255,255,255,0.1)}
    .nav-menu.active{transform:translateY(0);opacity:1;pointer-events:all}
    .nav-link{font-size:17px}
}

/* ==================== HERO ==================== */
#hero{position:relative;height:100vh;min-height:700px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img.hero-static-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.hero-overlay{position:absolute;inset:0;z-index:2;background:linear-gradient(135deg,rgba(10,22,40,0.88) 0%,rgba(10,22,40,0.65) 50%,rgba(245,166,35,0.15) 100%)}
.hero-content{position:relative;z-index:3;max-width:var(--container);margin:0 auto;padding:0 24px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:4px;color:var(--orange-400);border:1px solid rgba(245,166,35,0.35);padding:10px 24px;border-radius:100px;margin-bottom:28px;background:rgba(10,22,40,0.6);backdrop-filter:blur(8px);animation:fadeInUp .8s ease-out .2s both}
.pulse-dot-hero{width:8px;height:8px;background:var(--orange-500);border-radius:50%;display:inline-block;flex-shrink:0}
@keyframes pulseLive{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.3)}}
#hero h1{font-size:clamp(36px,6vw,72px);font-weight:900;color:var(--white);line-height:1.15;margin-bottom:24px}
.hero-line{display:block;animation:fadeInUp .8s ease-out both}
.hero-line:nth-child(1){animation-delay:.4s}
.hero-line:nth-child(2){animation-delay:.6s}
.hero-sub{font-size:clamp(15px,2vw,19px);color:rgba(255,255,255,0.85);line-height:1.8;margin-bottom:40px;max-width:620px;animation:fadeInUp .8s ease-out .8s both}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;animation:fadeInUp .8s ease-out 1s both}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;transition:var(--transition)}
.btn-primary{background:linear-gradient(135deg,var(--orange-500),var(--orange-600));color:var(--white);box-shadow:0 4px 15px rgba(245,166,35,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(245,166,35,0.45);background:linear-gradient(135deg,var(--orange-400),var(--orange-500))}
.btn-outline{border:2px solid rgba(255,255,255,0.4);color:var(--white);background:rgba(255,255,255,0.06);backdrop-filter:blur(8px)}
.btn-outline:hover{background:var(--white);color:var(--navy-900);border-color:var(--white);transform:translateY(-2px)}

/* Hero Scroll */
.hero-scroll{position:absolute;bottom:36px;right:48px;z-index:3;display:flex;flex-direction:column;align-items:center;gap:10px;animation:fadeInUp .8s ease-out 1.2s both}
.hero-scroll span{font-family:var(--font-en);font-size:10px;font-weight:600;letter-spacing:3px;color:rgba(255,255,255,0.4);writing-mode:vertical-lr}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--orange-500),transparent);animation:scrollDown 2s infinite}
@keyframes scrollDown{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

@media (max-width:768px){
    .hero-scroll{display:none}
}

/* ==================== STATS ==================== */
#stats{background:var(--navy-900);padding:48px 0;border-bottom:1px solid rgba(255,255,255,0.06)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item{padding:16px}
.stat-number{font-family:var(--font-en);font-size:clamp(36px,5vw,52px);font-weight:900;color:var(--orange-400);line-height:1;display:inline}
.stat-unit{font-size:clamp(18px,2.5vw,26px);font-weight:700;color:var(--orange-400);display:inline;margin-left:2px}
.stat-label{font-size:14px;color:var(--gray-400);margin-top:8px;font-weight:500}
@media (max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}

/* ==================== ABOUT ==================== */
#about{padding:100px 0;background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-image-wrap{position:relative}
.about-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl)}
.about-image img{width:100%;height:380px;object-fit:cover;transition:var(--transition)}
.about-image:hover img{transform:scale(1.03)}
.about-badge-overlay{position:absolute;bottom:16px;left:16px;right:16px;background:rgba(10,22,40,0.85);backdrop-filter:blur(10px);border:1px solid rgba(245,166,35,0.3);border-radius:var(--radius-sm);padding:14px 18px;display:flex;align-items:center;gap:12px;color:var(--white)}
.about-badge-overlay .badge-icon{font-size:24px}
.about-badge-overlay strong{display:block;font-size:14px;color:var(--orange-400)}
.about-badge-overlay span{font-size:12px;color:rgba(255,255,255,0.75)}
.about-image-subbar{margin-top:12px;padding:10px 16px;background:var(--bg-section);border:1px solid var(--gray-200);border-radius:var(--radius-sm);font-size:12.5px;color:var(--gray-600);line-height:1.5;box-shadow:0 2px 8px rgba(0,0,0,0.03)}
.about-image-subbar strong{color:var(--navy-800)}
.about-content h3{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--navy-900);line-height:1.35;margin-bottom:20px}
.about-content p{font-size:15px;color:var(--gray-600);margin-bottom:16px;line-height:1.8;word-break:keep-all}
.about-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.about-feature{display:flex;align-items:center;gap:12px;padding:14px;background:var(--bg-section);border-radius:var(--radius-sm);border:1px solid var(--gray-200);transition:var(--transition)}
.about-feature:hover{transform:translateY(-2px);border-color:var(--orange-400);box-shadow:var(--shadow-sm)}
.feature-icon{width:42px;height:42px;min-width:42px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--orange-500),var(--orange-600));border-radius:var(--radius-sm);color:var(--white)}
.feature-icon svg{width:20px;height:20px}
.about-feature strong{display:block;font-size:13.5px;color:var(--navy-900);line-height:1.3}
.about-feature span{font-size:11.5px;color:var(--gray-500)}

@media (max-width:960px){
    .about-grid{grid-template-columns:1fr;gap:40px}
    .about-features{grid-template-columns:1fr}
}

/* ==================== SERVICES ==================== */
#services{padding:100px 0;background:var(--bg-section)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:var(--white);border-radius:var(--radius-md);padding:36px 28px;border:1px solid var(--gray-200);transition:var(--transition);display:flex;flex-direction:column;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--orange-500),var(--orange-400));opacity:0;transition:var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-card:hover::before{opacity:1}
.service-num{font-family:var(--font-en);font-size:32px;font-weight:900;color:rgba(245,166,35,0.35);line-height:1;margin-bottom:12px}
.service-card h3{font-size:20px;font-weight:800;color:var(--navy-900);margin-bottom:12px}
.service-card p{font-size:14px;color:var(--gray-500);line-height:1.7;margin-bottom:20px;word-break:keep-all}
.service-list{margin-bottom:24px;flex-grow:1}
.service-list li{font-size:13px;color:var(--gray-600);padding:5px 0 5px 16px;position:relative}
.service-list li::before{content:'';position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background:var(--orange-500)}
.service-btn{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--orange-600);transition:var(--transition);margin-top:auto}
.service-btn svg{width:16px;height:16px;transition:var(--transition)}
.service-btn:hover{color:var(--orange-700)}
.service-btn:hover svg{transform:translateX(4px)}

@media (max-width:960px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.services-grid{grid-template-columns:1fr}}

/* ==================== PORTFOLIO (REFINED BLUE THEME) ==================== */
#portfolio{
    padding: 100px 0;
    background: radial-gradient(circle at 50% 20%, #0D2447 0%, #08162B 60%, #050E1C 100%);
    color: var(--white);
    position: relative;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}
#portfolio .section-header h2{color: var(--white)}
#portfolio .section-desc{color: var(--blue-300)}
#portfolio .section-tag{color: var(--orange-400)}

.portfolio-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:44px;flex-wrap:wrap}
.portfolio-tab-btn{
    padding: 11px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    color: #CBD5E1;
    background: rgba(15, 37, 72, 0.7);
    border: 1px solid rgba(96, 165, 250, 0.25);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.portfolio-tab-btn:hover{
    color: var(--white);
    border-color: var(--cyan-400);
    background: rgba(30, 58, 138, 0.8);
    transform: translateY(-2px);
}
.portfolio-tab-btn.active{
    background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
    color: var(--white);
    border-color: var(--orange-400);
    box-shadow: 0 4px 20px rgba(245, 166, 35, 0.4);
}

.portfolio-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 28px;
    justify-content: center;
}
/* When filtered, cards nicely expand to balanced 2-column or 3-column */
.portfolio-grid.grid-2col {
    grid-template-columns: repeat(2, 1fr);
}
@media (max-width:960px){
    .portfolio-grid{grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px;}
}
@media (max-width:640px){
    .portfolio-grid{grid-template-columns: 1fr; gap: 16px;}
}

/* Blue Blueprint Card Style */
.portfolio-card{
    background: rgba(13, 30, 54, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.28);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
}
.portfolio-card:hover{
    transform: translateY(-6px);
    border-color: var(--cyan-400);
    box-shadow: 0 12px 32px rgba(56, 189, 248, 0.25);
}
.portfolio-thumb{
    position: relative;
    width: 100%;
    height: 200px;
    background: #040912;
    overflow: hidden;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}
.portfolio-thumb img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s cubic-bezier(0.25,0.8,0.25,1);
}
.portfolio-card:hover .portfolio-thumb img{
    transform: scale(1.08);
}
.portfolio-badge{
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    color: #fff;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.badge-tag-temp{background: rgba(13, 148, 136, 0.88); border: 1px solid #2dd4bf}
.badge-tag-solar{background: rgba(217, 119, 6, 0.88); border: 1px solid #fbbf24}
.badge-tag-civil{background: rgba(37, 99, 235, 0.88); border: 1px solid #60a5fa}
.badge-tag-retaining{background: rgba(180, 83, 9, 0.88); border: 1px solid #f59e0b}

.portfolio-zoom-hint{
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(10, 22, 40, 0.75);
    color: #E2E8F0;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.15);
    opacity: 0;
    transition: var(--transition);
}
.portfolio-card:hover .portfolio-zoom-hint{
    opacity: 1;
}

.portfolio-info{
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: linear-gradient(180deg, rgba(15, 34, 62, 0.6) 0%, rgba(10, 22, 40, 0.9) 100%);
}
.portfolio-info h3{
    font-size: 15.5px;
    font-weight: 700;
    color: #F8FAFC;
    line-height: 1.4;
    margin-bottom: 6px;
}
.portfolio-info p{
    font-size: 12.5px;
    color: #94A3B8;
    line-height: 1.5;
    word-break: keep-all;
}

/* ==================== PROJECTS TABLE (수행년도 포함) ==================== */
#projects{padding:100px 0;background:var(--bg-section)}
.projects-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:36px;flex-wrap:wrap}
.tab-btn{padding:10px 22px;border-radius:100px;font-size:14px;font-weight:700;color:var(--gray-600);background:var(--white);border:1px solid var(--gray-200);transition:var(--transition)}
.tab-btn:hover{color:var(--navy-900);border-color:var(--gray-400)}
.tab-btn.active{background:var(--navy-900);color:var(--white);border-color:var(--navy-900);box-shadow:0 4px 12px rgba(10,22,40,0.2)}
.table-wrap{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);overflow-x:auto}
.projects-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}
.projects-table th{background:var(--navy-900);color:var(--white);font-weight:700;padding:16px 20px;font-size:13.5px;letter-spacing:0.5px}
.projects-table td{padding:16px 20px;border-bottom:1px solid var(--gray-200);color:var(--gray-700)}
.projects-table tbody tr{transition:background .2s}
.projects-table tbody tr:hover{background:var(--orange-100)}

.project-year{
    font-family: var(--font-en);
    font-weight: 700;
    color: var(--navy-800);
    font-size: 13.5px;
    background: rgba(10, 22, 40, 0.06);
    padding: 3px 10px;
    border-radius: 6px;
    display: inline-block;
}

.projects-table .badge{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:100px}
.badge-temp{background:rgba(13,148,136,0.15);color:#0D9488}
.badge-solar{background:rgba(245,158,11,0.18);color:#D97706}
.badge-civil{background:rgba(37,99,235,0.15);color:#1D4ED8}
.badge-retaining{background:rgba(180,83,9,0.15);color:#B45309}
.badge-cm{background:rgba(59,130,246,0.12);color:#3B82F6}
.badge-safety{background:rgba(16,185,129,0.15);color:#10B981}

/* ==================== CERTS & PATENTS ==================== */
#team{padding:100px 0;background:var(--white)}
.certs-showcase-grid{display:grid;grid-template-columns:1fr;gap:36px}
.team-card{background:var(--white);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}
.team-card-header{margin-bottom:24px}
.team-card-header h3{font-size:20px;font-weight:800;color:var(--navy-900);display:flex;align-items:center;gap:12px;margin-bottom:8px}
.team-card-header h3 .icon-badge{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--orange-500),var(--orange-600));border-radius:var(--radius-sm);color:var(--white);flex-shrink:0}
.team-card-desc{font-size:13px;color:var(--gray-500);display:flex;align-items:center;gap:6px}
.team-card-desc svg{width:14px;height:14px;color:var(--orange-500);flex-shrink:0}

.cert-grid-2col{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:860px){.cert-grid-2col{grid-template-columns:1fr}}

.cert-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--bg-section);border-radius:var(--radius-md);border:1px solid var(--gray-200);cursor:pointer;transition:var(--transition);gap:12px;min-width:0}
.cert-item:hover{background:var(--white);border-color:var(--navy-800);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.cert-item-main{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.cert-item-main strong{font-size:14px;font-weight:700;color:var(--navy-900);word-break:keep-all;line-height:1.35;display:block}
.cert-item-main span{font-size:12px;color:var(--gray-500);word-break:keep-all;margin-top:2px;display:block}
.cert-icon{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;text-align:center;line-height:1.15;color:var(--white);flex-shrink:0}
.cert-icon.iso{background:linear-gradient(135deg,#0d9488,#14b8a6)}
.cert-icon.reg{background:linear-gradient(135deg,var(--orange-500),var(--orange-600))}
.cert-icon.patent{background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.cert-icon.design{background:linear-gradient(135deg,#b45309,#f59e0b)}

.cert-view-badge{font-size:11.5px;font-weight:600;color:var(--orange-600);background:rgba(245,166,35,0.12);padding:5px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0;transition:var(--transition)}
.cert-item:hover .cert-view-badge,.patent-item:hover .cert-view-badge{background:var(--orange-500);color:#fff}

.patent-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
@media (max-width:860px){.patent-grid{grid-template-columns:1fr}}
.patent-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--bg-section);border-radius:var(--radius-md);border:1px solid var(--gray-200);cursor:pointer;transition:var(--transition);gap:14px;min-width:0}
.patent-item:hover{background:var(--white);border-color:#2563eb;transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,0.12)}
.patent-item-main{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.patent-item-main strong{font-size:14px;font-weight:700;color:var(--navy-900);word-break:keep-all;line-height:1.35;display:block}
.patent-item-main span{font-size:12px;color:var(--gray-500);word-break:keep-all;margin-top:2px;display:block}

.team-card-actions{margin-top:24px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-cert-all{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;background:var(--bg-section);border:1px solid var(--gray-300);color:var(--gray-700);transition:var(--transition)}
.btn-cert-all:hover{background:var(--navy-900);color:var(--white);border-color:var(--navy-900);transform:translateY(-2px)}

/* ==================== CONTACT (정확한 네이버 항공/위성 위치도 연동) ==================== */
#contact{padding:100px 0;background:var(--bg-section)}
.contact-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:36px;align-items:stretch}
.contact-info-card{background:var(--white);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);display:flex;flex-direction:column;gap:24px}
.contact-info-header{margin-bottom:8px}
.contact-info-header h3{font-size:22px;font-weight:800;color:var(--navy-900);margin-bottom:6px}
.contact-info-header p{font-size:14px;color:var(--gray-500)}

.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-icon{width:44px;height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--orange-500),var(--orange-600));border-radius:var(--radius-sm);color:var(--white)}
.contact-icon svg{width:20px;height:20px}
.contact-item strong{display:block;font-size:14px;color:var(--navy-900);margin-bottom:2px}
.contact-item p{font-size:14.5px;color:var(--gray-600);line-height:1.5;word-break:keep-all}

.traffic-guide{margin-top:10px;padding:20px;background:var(--bg-section);border-radius:var(--radius-md);border:1px solid var(--gray-200)}
.traffic-guide h4{font-size:14px;font-weight:800;color:var(--navy-900);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.traffic-list{display:flex;flex-direction:column;gap:10px}
.traffic-list li{font-size:13px;color:var(--gray-600);display:flex;align-items:flex-start;gap:8px;line-height:1.4}
.traffic-tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}
.tag-subway{background:#5c5c99}
.tag-bus{background:#2563eb}
.tag-car{background:#059669}

/* Exact Map Card */
.contact-map-card{background:var(--white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);display:flex;flex-direction:column}
.map-container{
    width: 100%;
    height: 380px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-300);
    position: relative;
    background: #0D1E36;
    cursor: pointer;
}
.map-container img.naver-map-img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform .4s ease;
}
.map-container:hover img.naver-map-img{
    transform: scale(1.03);
}
.map-overlay-badge{
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(10, 22, 40, 0.88);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(245, 166, 35, 0.4);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.map-overlay-badge strong{display:block;font-size:13px;color:var(--orange-400)}
.map-overlay-badge span{font-size:11.5px;color:rgba(255,255,255,0.75)}

.map-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn-map-link{flex:1;min-width:140px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:700;transition:var(--transition);text-align:center}
.btn-naver{background:#03C75A;color:#FFFFFF}
.btn-naver:hover{background:#02b350;transform:translateY(-2px);box-shadow:0 4px 12px rgba(3,199,90,0.35)}
.btn-kakao{background:#FEE500;color:#191919}
.btn-kakao:hover{background:#FADA0A;transform:translateY(-2px);box-shadow:0 4px 12px rgba(250,218,10,0.4)}

@media (max-width:960px){
    .contact-layout{grid-template-columns:1fr}
    .map-container{height:300px}
}

/* ==================== FOOTER ==================== */
#footer{background:var(--navy-900);color:rgba(255,255,255,0.7);padding:60px 0 30px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-brand .footer-logo{height:36px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.6}
.footer-links h4,.footer-contact h4{font-size:14px;font-weight:700;color:var(--white);margin-bottom:16px}
.footer-links ul li{margin-bottom:8px}
.footer-links ul li a{font-size:13px;color:rgba(255,255,255,0.65);transition:var(--transition)}
.footer-links ul li a:hover{color:var(--orange-400)}
.footer-contact p{font-size:13px;margin-bottom:6px;line-height:1.5}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:24px;text-align:center;font-size:12.5px;color:rgba(255,255,255,0.4)}

@media (max-width:960px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr}}

/* ==================== LIGHTBOX MODAL ==================== */
.lightbox{position:fixed;inset:0;background:rgba(10,22,40,0.92);backdrop-filter:blur(16px);z-index:2000;display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.active{display:flex;animation:fadeIn .3s ease-out}
.lightbox-wrap{position:relative;max-width:900px;width:100%;max-height:90vh;background:var(--navy-800);border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,0.1);box-shadow:var(--shadow-xl);display:flex;flex-direction:column}
.lightbox-close{position:absolute;top:16px;right:16px;z-index:10;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,0.6);color:var(--white);font-size:24px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.lightbox-close:hover{background:var(--orange-500)}
#lightboxImg{max-height:70vh;width:100%;object-fit:contain;background:#050d18}
.lightbox-caption{padding:20px 28px;background:var(--navy-800);color:var(--white)}
.lightbox-caption h3{font-size:17px;font-weight:700;color:var(--orange-400);margin-bottom:4px}
.lightbox-caption p{font-size:13px;color:rgba(255,255,255,0.75)}

/* Back to Top */
#backToTop{position:fixed;bottom:32px;right:32px;width:46px;height:46px;background:var(--orange-500);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:var(--transition);z-index:900}
#backToTop.visible{opacity:1;pointer-events:all}
#backToTop:hover{background:var(--orange-600);transform:translateY(-3px)}
#backToTop svg{width:20px;height:20px}

/* Keyboard access and device preferences */
.hero-content {min-width:0;max-width:100%}
.hero-badge {max-width:100%}
@media (max-width:768px) {
  #hero {min-height:680px;height:100svh}
  .hero-badge {font-size:12px;letter-spacing:1.5px;padding:10px 16px}
  .hero-content {padding-top:40px;padding-bottom:60px}
}
@media (max-width:900px) {
  .nav-menu {visibility:hidden}
  .nav-menu.active {visibility:visible}
}
:focus-visible {outline:3px solid var(--orange-500);outline-offset:5px}
@media (prefers-reduced-motion: reduce) {
  html {scroll-behavior:auto}
  *, *::before, *::after {animation-duration:.01ms !important;transition-duration:.01ms !important;animation-iteration-count:1 !important}
}

/* DooJa: measured typography, architectural lines and warm metal accents. */
:root{--navy-950:#0c1721;--navy-900:#111f2d;--navy-850:#152635;--navy-800:#1e3447;--orange-500:#c49a55;--orange-600:#a77937;--orange-700:#805c2c;--orange-400:#e0bd80;--orange-300:#edd5ae;--orange-100:#f8f3e9;--bg-section:#f4f5f4;--radius-sm:3px;--radius-md:5px;--radius-lg:6px;--container:1240px;--shadow-md:0 12px 35px rgba(17,31,45,.06);--transition:all .22s ease}
body{font-size:16px;letter-spacing:-.02em;line-height:1.85;color:#40505c}
button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #c49a55;outline-offset:5px}
.skip-link{position:fixed;top:-80px;left:20px;z-index:4000;background:#fff;color:#111f2d;padding:12px 20px}.skip-link:focus{top:12px}
.container{padding:0 36px}
.text-gradient{background:none;-webkit-text-fill-color:currentColor;color:#e0bd80}
#navbar{background:rgba(17,31,45,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.13)}
.nav-wrap{height:84px;padding:0 36px}.nav-logo img{height:36px;max-width:170px;object-fit:contain}.nav-menu{gap:30px}.nav-link{font-size:14px;font-weight:500;letter-spacing:-.02em}.nav-menu li:last-child .nav-link{border:1px solid #6a6e6d;padding:9px 17px}.nav-link::after{height:1px}
#hero{min-height:700px;height:min(880px,100svh);align-items:center;padding:124px 0 150px;background:#111f2d}
.hero-bg img.hero-static-img{object-position:58% 50%}
.hero-overlay{background:linear-gradient(90deg,rgba(9,21,32,.94) 0%,rgba(9,21,32,.78) 32%,rgba(9,21,32,.25) 75%,rgba(9,21,32,.15) 100%)}
.hero-content{width:100%;padding:0 36px;max-width:1240px}
.hero-badge{display:flex;gap:22px;align-items:center;width:fit-content;font-size:12px;letter-spacing:.2em;font-weight:600;border:0;border-radius:0;background:none;backdrop-filter:none;padding:0;margin:0 0 32px;color:#e0bd80;animation:none}
.hero-edition{font-size:12px;color:#c6cdd1;letter-spacing:.13em;padding-left:22px;border-left:1px solid #627078}
#hero h1{font-size:clamp(42px,5.5vw,76px);font-weight:700;letter-spacing:-.055em;line-height:1.27;margin-bottom:28px}
.hero-sub{font-size:17px;max-width:540px;color:#e0e4e7;line-height:1.95;margin-bottom:38px;word-break:keep-all}
.hero-actions{gap:12px}.btn{padding:14px 24px;min-height:52px;font-size:14px;border-radius:2px;font-weight:600}.btn-primary,.btn-primary:hover{background:#d2ac69;color:#111f2d;box-shadow:none}.btn-primary:hover{background:#e0bd80;transform:translateY(-2px)}.btn-outline{border:1px solid rgba(255,255,255,.52);background:transparent}.btn-outline:hover{background:#fff;color:#111f2d}
.hero-footnote{position:absolute;left:max(36px,calc((100vw - 1168px)/2));right:max(36px,calc((100vw - 1168px)/2));bottom:40px;z-index:3;border-top:1px solid rgba(255,255,255,.28);padding-top:22px;color:#c3cbd0;font-family:Inter,sans-serif;font-size:12px;letter-spacing:.12em;display:flex;justify-content:space-between}.hero-footnote span{font-family:var(--font-kr);font-size:13px;letter-spacing:.02em}.hero-scroll{display:none}
#stats{background:#111f2d;padding:36px 0 44px}.stats-grid{gap:0}.stat-item{text-align:left;padding:0 36px;border-right:1px solid #39434c}.stat-item:first-child{padding-left:0}.stat-item:last-child{border:0}.stat-number{font-family:Inter,sans-serif;font-size:42px;font-weight:500;color:#f5f5f3}.stat-unit{font-size:14px;color:#c5a165}.stat-label{font-size:14px;color:#c7d0d7;margin-top:8px}
#about,#services,#portfolio,#projects,#team,#contact{padding:104px 0}
.section-header,.section-header-center{text-align:left;margin-bottom:44px}.section-tag{font-family:Inter,sans-serif;font-size:12px;font-weight:600;letter-spacing:.18em;color:#98713d;margin-bottom:16px}.section-header h2{font-size:clamp(28px,3.1vw,42px);font-weight:650;line-height:1.4;letter-spacing:-.045em}.section-desc{font-size:16px;line-height:1.85;color:#60707c;margin-top:16px;max-width:720px}.section-header-center .section-desc{margin-left:0}
.about-grid{gap:66px;align-items:center}.about-image{border-radius:3px;box-shadow:none}.about-image img{height:400px;object-fit:cover}.about-badge-overlay{display:none}.about-image-subbar{padding:12px 0;background:transparent;border:0;box-shadow:none;color:#737e85;font-size:12px}.about-content h3{font-size:clamp(26px,2.7vw,36px);font-weight:600;line-height:1.5;letter-spacing:-.045em}.about-content .text-accent{color:#111f2d}.about-content p{font-size:16px;line-height:1.95;color:#56656f}.about-features{gap:0;margin-top:26px}.about-feature{padding:15px 0;border:0;border-top:1px solid #dce0df;border-radius:0;background:none}.feature-icon{width:34px;height:34px;min-width:34px;color:#a77937;background:none}.about-feature strong{font-size:15px;font-weight:600}.about-feature span{font-size:13px}
#services{background:#f4f5f4}.services-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}.service-card{grid-column:span 2;padding:32px 28px;border:1px solid #dde1df;border-radius:3px;box-shadow:none;background:#fff}.service-card:nth-child(-n+2){grid-column:span 3;padding:40px}.service-card:hover{transform:translateY(-3px);border-color:#b8ac97;box-shadow:none}.service-card::before{display:none}.service-num{font-family:Inter,sans-serif;color:#98713d;font-size:14px;font-weight:500;letter-spacing:.07em;margin-bottom:22px}.service-card h3{font-size:23px;line-height:1.4;font-weight:650;letter-spacing:-.04em}.service-card:nth-child(-n+2) h3{font-size:29px}.service-card p{font-size:15px;line-height:1.9;color:#63717a}.service-list li{font-size:14px;padding:6px 0 6px 14px}.service-list li::before{width:3px;height:3px;top:18px;background:#b39363}.service-detail{font-size:14px;font-weight:600;color:#805c2c;text-decoration:underline;text-underline-offset:5px;margin:-4px 0 24px}.service-btn{font-size:14px;font-weight:600;border-top:1px solid #e5e6e3;padding-top:17px;margin-top:auto;color:#1e3447}
#portfolio{background:#142533;border:0}.portfolio-tabs,.projects-tabs{justify-content:flex-start;gap:8px;margin-bottom:32px}.portfolio-tab-btn{border:1px solid #4c5a63;border-radius:2px;background:transparent;color:#ccd3d8;font-size:14px;font-weight:500;padding:10px 18px}.portfolio-tab-btn.active,.portfolio-tab-btn.active:hover{background:#d2ac69;color:#111f2d;border-color:#d2ac69;box-shadow:none}.portfolio-tab-btn:hover{background:#243947;color:#fff;border-color:#a7b3bb}.portfolio-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.portfolio-card{border:0;border-radius:2px;background:#1e303e;box-shadow:none;backdrop-filter:none}.portfolio-card:hover{border:0;transform:translateY(-3px);box-shadow:none}.portfolio-thumb{height:235px;background:#fff;border:0}.portfolio-thumb img{object-fit:contain;background:#fff}.portfolio-badge{background:#111f2d!important;border:0!important;border-radius:2px;font-size:12px;box-shadow:none}.portfolio-info{background:none;padding:23px 24px 25px}.portfolio-info h3{font-size:17px;font-weight:600;line-height:1.6;color:#f4f6f5}.portfolio-info p{font-size:14px;line-height:1.8;color:#b6c1c8}.portfolio-overlay{background:rgba(17,31,45,.25)}#portfolio .section-desc{color:#b6c1c8}#portfolio .section-tag{color:#d2ac69}
#projects{background:#fff}.tab-btn{font-size:14px;border-radius:2px;font-weight:500;padding:10px 18px}.tab-btn.active{background:#1e3447;box-shadow:none}.table-wrap{box-shadow:none;border-radius:3px;border:1px solid #e0e3e4}.projects-table th{background:#f2f4f4;color:#213744;font-weight:600;font-size:14px;padding:17px 22px}.projects-table td{font-size:14px;padding:18px 22px}.project-year{background:none;color:#4b5e6a;padding:0;font-weight:500}.badge-temp,.badge-solar,.badge-civil,.badge-retaining,.badge-cm,.badge-safety{background:#eef1f1;color:#465862;border-radius:2px;font-weight:500}
#team{background:#f4f5f4}.team-card{border:1px solid #dfe3e1;padding:32px;border-radius:3px;box-shadow:none}.team-card-header h3{font-size:23px;font-weight:600}.team-card-header .icon-badge{display:none}.team-card-desc{font-size:14px!important;line-height:1.8}.cert-item,.patent-item{background:#fff;border-color:#e1e5e3;border-radius:3px;box-shadow:none}.cert-item:hover,.patent-item:hover{transform:none;border-color:#ad9270}.cert-icon.iso,.cert-icon.reg,.cert-icon.patent,.cert-icon.design{background:#1e3447;border-radius:2px}.cert-item strong,.patent-item strong{font-size:15px}.cert-item span,.patent-item span{font-size:13px}.cert-view-badge{border-radius:2px;color:#725323;background:#f6f1e8;font-size:12px!important}.btn-cert-all{background:#1e3447;border-radius:2px;font-size:14px}
#contact{background:#fff}.contact-info-card,.contact-map-card{box-shadow:none;border:1px solid #dce1df;border-radius:3px}.contact-info-header h3{font-weight:600;font-size:24px}.contact-info-header p{font-size:15px;color:#68777f}.contact-item strong{font-size:14px}.contact-item p{font-size:16px}.contact-item a{text-decoration:underline;text-underline-offset:4px}.contact-icon{color:#98713d;background:none;border-radius:0}.contact-secondary{font-size:13px;color:#677781}.traffic-guide{border-radius:2px;background:#f5f6f4}.traffic-list{font-size:14px}.traffic-tag{background:#fff!important;color:#3c505d!important;border:1px solid #dee3e0}.btn-map-link{font-size:14px;border-radius:2px;background:#1e3447!important;color:#fff}.map-overlay-badge{border-radius:2px;background:rgba(17,31,45,.9)}
#footer{padding:62px 0 26px;background:#111f2d}.footer-brand p{font-size:15px}.footer-links h4,.footer-contact h4{font-size:14px;font-weight:600;color:#d5b989}.footer-links ul li a{font-size:14px}.footer-contact p{font-size:14px}.footer-bottom{font-family:Inter,sans-serif;font-size:12px}.lightbox-wrap{border-radius:4px}.lightbox-caption{background:#142533}.lightbox-caption h3{color:#d5b989}.lightbox-caption p{font-size:14px}.lightbox-close{border-radius:2px}#backToTop{background:#1e3447;border:1px solid #a0adb6;border-radius:2px;box-shadow:none}
/* Service detail pages */
.detail-page{background:#fff}.detail-header{background:#111f2d;padding:24px 0}.detail-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px}.detail-header nav{display:flex;align-items:center;gap:30px;font-size:14px;color:#e9eceb}.detail-header .contact-link{border:1px solid #697782;padding:7px 15px}.breadcrumb{display:flex;gap:14px;padding-top:36px;font-size:13px;color:#6e7a83}.breadcrumb a{text-decoration:underline;text-underline-offset:4px}.detail-intro{padding:58px 0 74px;border-bottom:1px solid #d9dfde}.detail-intro h1{font-size:clamp(38px,5vw,66px);font-weight:600;letter-spacing:-.06em;line-height:1.35;color:#111f2d;margin-bottom:27px}.detail-intro p{font-size:18px;line-height:1.95;color:#52646f;word-break:keep-all;margin-bottom:32px}.detail-split{display:grid;grid-template-columns:1fr 1fr;gap:76px;padding:80px 0;align-items:center}.detail-page h2{font-size:clamp(27px,3vw,38px);font-weight:600;letter-spacing:-.045em;line-height:1.45;color:#142533;margin-bottom:26px}.detail-page p{word-break:keep-all}.detail-split p{margin-bottom:20px}.detail-split img{width:100%;height:355px;object-fit:contain;border:1px solid #e0e3e3;padding:20px;background:#fafafa}.detail-split figcaption{font-size:12px;color:#7a868d;margin-top:12px}.detail-section{padding:70px 0;border-top:1px solid #d9dfde}.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 52px}.review-grid article{padding:28px 0;border-top:1px solid #e3e5e2}.review-grid article>span{font-size:13px;font-family:Inter,sans-serif;color:#98713d}.review-grid h3{font-size:22px;color:#142533;font-weight:600;margin:10px 0 13px}.review-grid p{font-size:16px;color:#5b6b76;line-height:1.85}.preparation{display:grid;grid-template-columns:1fr 1fr;gap:76px}.preparation ol{counter-reset:steps;list-style:none}.preparation li{display:grid;grid-template-columns:32px 1fr;gap:5px 15px;padding:21px 0;border-bottom:1px solid #e1e5e3;counter-increment:steps}.preparation li:first-child{padding-top:0}.preparation li:before{content:'0' counter(steps);font-family:Inter,sans-serif;font-size:12px;color:#98713d;grid-row:span 2;padding-top:4px}.preparation li strong{font-size:17px;color:#213744;font-weight:600}.preparation li span{font-size:15px;color:#657580}.work-list a{display:flex;justify-content:space-between;gap:28px;padding:23px 0;border-top:1px solid #e1e5e3}.work-list strong{font-size:17px;color:#213744;font-weight:600}.work-list span{font-size:15px;color:#657580}.work-list a:hover strong{text-decoration:underline;text-underline-offset:5px}.faq details{border-top:1px solid #dce1df;padding:22px 0}.faq summary{cursor:pointer;font-size:17px;font-weight:500;color:#213744}.faq details p{padding:18px 25px 5px;color:#667680;font-size:16px;max-width:960px}.detail-cta{display:flex;gap:36px;justify-content:space-between;align-items:center;background:#142533;margin:20px 0 0;padding:52px}.detail-cta h2{color:#fff;margin-bottom:18px}.detail-cta .section-tag{color:#d2ac69}.detail-cta p{color:#bdc8d0;font-size:15px}.detail-cta>div:last-child{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}.related-link{font-size:14px;padding:24px 0 64px;color:#667680}.related-link a{margin-left:18px;text-decoration:underline;text-underline-offset:5px;color:#213744}.detail-footer{background:#111f2d;padding:40px 0 22px;color:#b9c5cd;font-size:14px}.detail-footer .container{display:flex;justify-content:space-between;gap:24px}.detail-footer strong{font-weight:500;color:#fff;font-size:16px}.detail-footer a{display:block;text-align:right}.detail-footer p{margin-top:10px}.copyright{text-align:center;font-family:Inter,sans-serif;font-size:12px;color:#8294a1;padding-top:20px}
@media(max-width:1050px){.nav-menu{gap:19px}.services-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.service-card,.service-card:nth-child(-n+2){grid-column:span 1;padding:30px}.service-card:last-child{grid-column:span 2}.portfolio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-grid{gap:36px}.about-image img{height:440px}.hero-footnote{left:36px;right:36px}.detail-cta{display:block}.detail-cta>div:last-child{margin-top:24px}.detail-split,.preparation{gap:40px}.cert-grid-2col{grid-template-columns:1fr}}
@media(max-width:900px){.nav-wrap{height:76px}.nav-menu{top:76px;gap:20px;padding:28px 24px}.nav-link{font-size:16px}.nav-menu li:last-child .nav-link{border:0}.about-grid{grid-template-columns:1fr}.about-image img{height:390px}.hero-sub{max-width:540px}.about-features{grid-template-columns:1fr}.stat-item{padding:0 20px}.stat-number{font-size:36px}.detail-header nav{gap:18px}.detail-header .contact-link{display:none}}
@media(max-width:640px){.container,.nav-wrap,.hero-content{padding-left:22px;padding-right:22px}.nav-logo img{height:32px}#hero{height:auto;min-height:690px;padding:146px 0 150px}.hero-bg img.hero-static-img{object-position:61% 50%}.hero-overlay{background:linear-gradient(90deg,rgba(9,21,32,.92),rgba(9,21,32,.68))}.hero-badge{font-size:12px;letter-spacing:.12em;margin-bottom:27px}.hero-edition{display:none}#hero h1{font-size:43px;line-height:1.3;letter-spacing:-.055em}.hero-sub{font-size:16px;margin:25px 0 30px}.hero-actions{gap:10px}.hero-actions .btn{padding:13px 18px;font-size:14px}.hero-footnote{left:22px;right:22px;bottom:32px;font-size:12px;letter-spacing:.035em;display:block}.hero-footnote span{display:block;margin-top:6px;font-size:12px}#stats{padding:28px 0}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}.stat-item,.stat-item:first-child{padding:0 18px}.stat-item:nth-child(odd){padding-left:0}.stat-item:nth-child(even){border:0}.stat-number{font-size:35px}.stat-unit{font-size:13px}.stat-label{font-size:13px}#about,#services,#portfolio,#projects,#team,#contact{padding:64px 0}.section-header{margin-bottom:30px}.section-header h2{font-size:29px}.section-desc{font-size:15px}.section-tag{margin-bottom:12px}.about-image img{height:270px}.about-content h3{font-size:28px}.about-content p{font-size:16px}.about-features{margin-top:18px}.services-grid{grid-template-columns:1fr;gap:16px}.service-card,.service-card:nth-child(-n+2),.service-card:last-child{grid-column:span 1;padding:28px 24px}.service-card h3,.service-card:nth-child(-n+2) h3{font-size:25px}.portfolio-grid,.portfolio-grid.grid-2col{grid-template-columns:1fr}.portfolio-thumb{height:240px}.portfolio-tabs,.projects-tabs{gap:7px}.portfolio-tab-btn,.tab-btn{font-size:13px;padding:10px 13px}.projects-table{min-width:680px}.team-card{padding:25px 20px}.team-card-header h3{font-size:22px}.cert-grid-2col{grid-template-columns:1fr}.cert-item,.patent-item{padding:14px 12px}.cert-view-badge{display:none}.contact-info-card{padding:26px 22px}.contact-item p{font-size:15px}.contact-info-header h3{font-size:22px}.traffic-guide{padding:18px 14px}.footer-grid{gap:30px}.footer-brand{padding-bottom:8px}.detail-header{padding:20px 0}.detail-header .container{flex-wrap:wrap;gap:20px}.detail-header nav{gap:24px;font-size:13px}.breadcrumb{padding-top:24px;font-size:12px}.detail-intro{padding:43px 0 50px}.detail-intro h1{font-size:39px}.detail-intro p{font-size:16px}.detail-intro .btn{font-size:14px;padding:14px 18px}.detail-split{grid-template-columns:1fr;gap:24px;padding:50px 0}.detail-split img{height:270px}.detail-section{padding:48px 0}.detail-page h2{font-size:28px}.review-grid{grid-template-columns:1fr}.review-grid article{padding:24px 0}.review-grid h3{font-size:22px}.preparation{grid-template-columns:1fr;gap:28px}.work-list a{display:block;padding:22px 0}.work-list span{display:block;margin-top:8px}.work-list strong{font-size:16px}.faq summary{font-size:16px}.faq details p{padding:16px 0 2px;font-size:15px}.detail-cta{padding:34px 24px;margin:10px -22px 0}.detail-cta h2{font-size:29px}.detail-cta .btn{font-size:14px}.related-link{padding:25px 0 45px}.related-link a{display:block;margin:10px 0 0}.detail-footer .container{display:block}.detail-footer a{text-align:left}.detail-footer .container>div:last-child{margin-top:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Service navigation and consultation preparation */
.detail-contents{display:flex;flex-wrap:wrap;gap:12px 30px;padding:24px 0;border-bottom:1px solid #d9dfde;font-size:14px;color:#52646f}
.detail-contents a:hover,.detail-contents a:focus-visible{color:#142533;text-decoration:underline;text-underline-offset:5px}
.review-steps{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:34px}
.review-steps li{border-top:1px solid #d9dfde;padding-top:23px}
.review-steps li>span{font:13px Inter,sans-serif;color:#98713d}
.review-steps h3{font-size:19px;font-weight:600;color:#213744;line-height:1.6;margin:14px 0 12px}
.review-steps p{font-size:15px;line-height:1.85;color:#657580}
.portfolio-card[id]{scroll-margin-top:100px}
.portfolio-card:target{outline:2px solid #d2ac69;outline-offset:5px}
.detail-split figure>a{display:block}
.detail-split figcaption a{text-decoration:underline;text-underline-offset:3px}
#hero .hero-line,#hero .hero-sub,#hero .hero-actions,#hero .hero-badge{animation:none}
@media(max-width:960px){.review-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){#hero h1{font-size:clamp(32px,9vw,43px)}.detail-contents{gap:14px 22px;font-size:13px;padding:22px 0}.review-steps{grid-template-columns:1fr;gap:24px}.review-steps li{padding-top:20px}}

/* Solar installation and construction */
.service-detail-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:24px}.service-detail-links .service-detail{margin:0}
.detail-header nav{flex-wrap:wrap;gap:14px 24px}.detail-header nav a[aria-current="page"]{color:#e0bd80;text-decoration:underline;text-underline-offset:6px}
.service-notice{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 30px;background:#f3f5f4;border-left:3px solid #b39363;margin:28px 0}.service-notice p{font-size:16px;line-height:1.85;color:#52646f;margin:0}.service-notice strong{display:block;color:#213744;font-weight:600}.service-notice>a{flex-shrink:0;font-size:14px;font-weight:600;color:#805c2c;text-decoration:underline;text-underline-offset:5px}
.installation-intro{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);align-items:center;gap:60px}.installation-intro h1{font-size:clamp(34px,4.3vw,58px);word-break:keep-all}.installation-intro .installation-contact{background:#142533;padding:38px 32px;color:#fff}.installation-contact .section-tag{color:#d2ac69}.installation-contact h2{font-size:26px;line-height:1.5;color:#fff;margin-bottom:18px}.installation-contact p{font-size:16px;line-height:1.85;color:#c3cdd3;margin-bottom:25px}.installation-phone{display:block;font:600 clamp(23px,2.5vw,30px)/1.5 Inter,sans-serif;letter-spacing:-.025em}.installation-email{display:inline-block;margin-top:14px;font-size:14px;color:#e0bd80;text-decoration:underline;text-underline-offset:5px}
.section-lead{max-width:800px;font-size:16px;color:#5b6b76;line-height:1.9;margin-bottom:32px}.text-link{color:#805c2c;font-weight:500;text-decoration:underline;text-underline-offset:4px}.preparation .text-link{display:inline-block;margin-top:24px}
.solar-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.solar-case{border:1px solid #dce1df;background:#fff}.solar-case img{width:100%;height:225px;object-fit:contain;padding:12px;background:#f7f8f7;border-bottom:1px solid #e1e5e3}.solar-case>div{padding:25px 22px}.solar-case>div>span{font-size:14px;color:#98713d}.solar-case h3{font-size:18px;font-weight:600;line-height:1.6;color:#213744;margin:10px 0}.solar-case p{font-size:15px;line-height:1.8;color:#657580}.solar-case:hover h3,.solar-case:focus-visible h3{text-decoration:underline;text-underline-offset:4px}
@media(max-width:960px){.installation-intro{grid-template-columns:1fr;gap:34px}.installation-intro h1{font-size:clamp(34px,6vw,52px)}.installation-contact{max-width:650px}.service-notice{display:block}.service-notice>a{display:inline-block;margin-top:16px}.solar-case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.detail-header nav{gap:14px 20px;font-size:14px}.installation-intro h1{font-size:clamp(30px,7.6vw,39px)}.installation-intro .installation-contact{padding:30px 24px}.installation-contact h2{font-size:25px}.installation-phone{font-size:27px}.solar-case-grid{grid-template-columns:1fr}.solar-case img{height:240px}.service-notice{padding:22px}.service-detail-links{display:block}.service-detail-links .service-detail{display:block;margin-top:12px}}