/* =============================================
   도어락8282 — style.css
   ============================================= */
:root {
  --navy:#07111f; --blue:#1565c0; --blue2:#1e88e5;
  --accent:#ffa726; --accent2:#ff6f00;
  --off:#f4f6fb; --text:#0d1b2a; --mid:#4a5568; --light:#8898aa;
  --border:rgba(21,101,192,0.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans KR',sans-serif;color:var(--text);background:#fff;overflow-x:hidden;}
a{text-decoration:none;color:inherit;}

/* ── 마퀴 띠 ── */
.marquee-band{
  background:linear-gradient(90deg,var(--navy) 0%,#1a3a6b 50%,var(--navy) 100%);
  border-bottom:1px solid rgba(255,167,38,0.2);
  overflow:hidden; padding:10px 0;
  position:sticky; top:64px; z-index:90;
}
.marquee-track{display:flex;width:max-content;animation:ticker 30s linear infinite;will-change:transform;}
.marquee-band:hover .marquee-track{animation-play-state:paused;}
.marquee-item{display:inline-flex;align-items:center;gap:9px;padding:0 28px;font-size:12.5px;font-weight:600;color:rgba(255,255,255,0.85);white-space:nowrap;}
.marquee-item .mi-icon{font-size:14px;}
.marquee-item .mi-sep{width:4px;height:4px;background:var(--accent);border-radius:50%;flex-shrink:0;margin-left:4px;opacity:0.7;}
@keyframes ticker{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ── NAV ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,17,31,0.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,0.07);padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:64px;transition:box-shadow 0.3s;}
.nav.scrolled{box-shadow:0 4px 28px rgba(0,0,0,0.4);}
.nav-logo{font-family:'DM Sans',sans-serif;font-size:20px;font-weight:800;color:#fff;letter-spacing:-0.5px;}
.nav-logo span{color:var(--accent);}
.nav-links{display:flex;gap:32px;}
.nav-links a{color:rgba(255,255,255,0.6);font-size:13px;font-weight:500;transition:color 0.2s;position:relative;padding-bottom:2px;}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transition:transform 0.25s;}
.nav-links a:hover,.nav-links a.active{color:#fff;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{background:var(--accent);color:#fff;padding:8px 20px;border-radius:6px;font-size:13px;font-weight:700;transition:background 0.2s,transform 0.2s;}
.nav-cta:hover{background:var(--accent2);transform:translateY(-1px);}

/* ── HERO ── */
.hero{min-height:100vh;background:var(--navy);display:flex;align-items:center;position:relative;overflow:hidden;padding:148px 40px 60px;}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 80% 50%,rgba(21,101,192,0.18) 0%,transparent 70%),radial-gradient(ellipse 40% 40% at 15% 80%,rgba(255,111,0,0.1) 0%,transparent 60%);}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(21,101,192,0.07) 1px,transparent 1px),linear-gradient(90deg,rgba(21,101,192,0.07) 1px,transparent 1px);background-size:64px 64px;}
.hero-wrap{position:relative;z-index:2;max-width:1100px;margin:0 auto;width:100%;}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,167,38,0.14);border:1px solid rgba(255,167,38,0.3);color:var(--accent);font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;padding:7px 18px;border-radius:50px;margin-bottom:24px;}
.hero-tag::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.3;transform:scale(1.5);}}
.hero h1{font-family:'DM Sans',sans-serif;font-size:clamp(2.4rem,4.5vw,3.8rem);font-weight:800;color:#fff;line-height:1.12;letter-spacing:-1.5px;margin-bottom:20px;}
.hero h1 span{color:var(--accent);}
.hero-desc{font-size:16px;color:rgba(255,255,255,0.52);line-height:1.85;margin-bottom:40px;font-weight:300;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn-p{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;padding:14px 28px;border-radius:8px;font-size:15px;font-weight:700;transition:transform 0.25s,box-shadow 0.25s;box-shadow:0 8px 28px rgba(255,111,0,0.35);}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(255,111,0,0.45);}
.btn-s{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);color:#fff;padding:14px 28px;border-radius:8px;font-size:15px;font-weight:600;transition:background 0.25s;}
.btn-s:hover{background:rgba(255,255,255,0.14);}
.hero-visual{display:flex;justify-content:center;}
.hero-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);border-radius:24px;padding:40px;animation:float 4s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.hero-stats{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,0.08);border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);}
.h-stat{background:rgba(255,255,255,0.04);padding:28px 20px;text-align:center;transition:background 0.2s;}
.h-stat:hover{background:rgba(21,101,192,0.15);}
.h-stat-n{font-family:'DM Sans',sans-serif;font-size:34px;font-weight:800;color:#fff;line-height:1;margin-bottom:6px;}
.h-stat-n span{color:var(--accent);font-size:20px;}
.h-stat-l{font-size:12px;color:rgba(255,255,255,0.42);letter-spacing:0.5px;}

/* ── 공통 섹션 ── */
.sec{padding:100px 40px;}
.sec-in{max-width:1100px;margin:0 auto;}
.sec-hd{text-align:center;margin-bottom:64px;}
.lbl{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--blue2);margin-bottom:12px;}
.sec-ttl{font-family:'DM Sans',sans-serif;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:800;color:var(--text);line-height:1.2;margin-bottom:14px;letter-spacing:-0.5px;}
.sec-ttl span{color:var(--blue);}
.dvd{width:48px;height:3px;background:linear-gradient(90deg,var(--blue),var(--accent));border-radius:2px;margin:0 auto;}
.sec-desc{font-size:15px;color:var(--mid);margin-top:16px;line-height:1.8;}

/* ── 서비스 ── */
.srv-bg{background:var(--off);}
.srv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.srv-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:36px 28px;position:relative;overflow:hidden;transition:transform 0.55s ease,box-shadow 0.55s ease,border-color 0.55s ease;opacity:0;transform:translateY(24px);}
.srv-card.visible{opacity:1!important;transform:translateY(0)!important;}
.srv-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform 0.3s;}
.srv-card:hover::after{transform:scaleX(1);}
.srv-card:hover{transform:translateY(-8px)!important;box-shadow:0 20px 50px rgba(21,101,192,0.12);border-color:transparent;}
.srv-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--blue),var(--blue2));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;}
.srv-card h3{font-family:'DM Sans',sans-serif;font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px;}
.srv-card p{font-size:14px;color:var(--mid);line-height:1.75;}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;}
.tag{background:rgba(21,101,192,0.07);border:1px solid rgba(21,101,192,0.15);color:var(--blue);font-size:11px;font-weight:600;padding:4px 10px;border-radius:50px;}

/* ── 이용방법 ── */
.proc-bg{background:var(--navy);}
.proc-steps{display:grid;grid-template-columns:repeat(5,1fr);position:relative;}
.proc-steps::before{content:'';position:absolute;top:38px;left:10%;right:10%;height:1px;background:rgba(255,255,255,0.12);z-index:0;}
.proc-step{text-align:center;padding:0 10px;position:relative;z-index:1;opacity:0;transform:translateY(20px);}
.proc-step.visible{opacity:1!important;transform:translateY(0)!important;}
.step-n{width:76px;height:76px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:'DM Sans',sans-serif;font-size:22px;font-weight:800;color:var(--accent);transition:background 0.3s,border-color 0.3s;}
.proc-step:hover .step-n{background:rgba(255,111,0,0.2);border-color:var(--accent);}
.proc-step h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:8px;}
.proc-step p{font-size:12px;color:rgba(255,255,255,0.42);line-height:1.65;}

/* ── 시공사례 ── */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:transform 0.55s ease,box-shadow 0.55s ease;opacity:0;transform:translateY(24px);}
.case-card.visible{opacity:1!important;transform:translateY(0)!important;}
.case-card:hover{transform:translateY(-6px)!important;box-shadow:0 16px 40px rgba(21,101,192,0.12);}
.case-img{aspect-ratio:4/3;background:linear-gradient(135deg,var(--navy),#1a3a6b);display:flex;align-items:center;justify-content:center;}
.case-body{padding:20px;background:#fff;}
.c-badge{display:inline-block;background:rgba(21,101,192,0.08);color:var(--blue);font-size:11px;font-weight:700;padding:3px 10px;border-radius:50px;margin-bottom:8px;}
.case-body h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px;}
.case-body p{font-size:13px;color:var(--light);}

/* ── 고객후기 ── */
.rv-bg{background:var(--off);}
.rv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rv-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px 24px;transition:transform 0.55s ease,box-shadow 0.55s ease;opacity:0;transform:translateY(24px);}
.rv-card.visible{opacity:1!important;transform:translateY(0)!important;}
.rv-card:hover{transform:translateY(-6px)!important;box-shadow:0 14px 36px rgba(21,101,192,0.1);}
.rv-stars{color:#ffa726;font-size:16px;margin-bottom:14px;letter-spacing:2px;}
.rv-text{font-size:14px;color:var(--mid);line-height:1.8;margin-bottom:20px;}
.rv-auth{display:flex;align-items:center;gap:12px;}
.rv-av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;flex-shrink:0;}
.rv-name{font-size:14px;font-weight:700;color:var(--text);}
.rv-date{font-size:12px;color:var(--light);}

/* ── CTA ── */
.cta-sec{background:linear-gradient(135deg,var(--navy) 0%,#1a3a6b 100%);padding:100px 40px;text-align:center;}
.cta-in{max-width:680px;margin:0 auto;}
.cta-desc{font-size:16px;color:rgba(255,255,255,0.52);line-height:1.8;margin:20px 0 44px;}
.cta-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}
.btn-call{background:linear-gradient(135deg,#0d47a1,#1565c0);color:#fff;padding:14px 30px;border-radius:8px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:transform 0.25s,box-shadow 0.25s;}
.btn-kakao{background:linear-gradient(135deg,#fee500,#ffd000);color:#3b1e08;padding:14px 30px;border-radius:8px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:transform 0.25s,box-shadow 0.25s;}
.btn-call:hover,.btn-kakao:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.25);}

/* ── 푸터 ── */
footer{background:#040c18;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid rgba(255,255,255,0.06);}
.ft-logo{font-family:'DM Sans',sans-serif;font-size:18px;font-weight:800;color:#fff;}
.ft-logo span{color:var(--accent);}
.ft-info{font-size:12px;color:rgba(255,255,255,0.32);line-height:1.8;}
.ft-back{font-size:13px;color:rgba(255,255,255,0.38);transition:color 0.2s;}
.ft-back:hover{color:#fff;}

/* ── 반응형 ── */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-visual{display:none;} .hero-btns{justify-content:center;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .srv-grid{grid-template-columns:repeat(2,1fr);}
  .proc-steps{grid-template-columns:repeat(3,1fr);gap:28px;} .proc-steps::before{display:none;}
  .case-grid,.rv-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:640px){
  .nav{padding:0 20px;} .nav-links{display:none;}
  .sec{padding:72px 24px;} .hero{padding:120px 24px 60px;}
  .srv-grid,.case-grid,.rv-grid{grid-template-columns:1fr;}
  .proc-steps{grid-template-columns:1fr 1fr;gap:20px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .cta-btns{flex-direction:column;align-items:center;}
  .btn-call,.btn-kakao{width:100%;max-width:300px;justify-content:center;}
  footer{flex-direction:column;text-align:center;padding:28px 24px;}
}