/* ============================================================
   OO방충망 — 사이트 스타일
   색상은 :root 변수만 바꾸면 전체가 바뀝니다.
   ============================================================ */
:root {
  --bg: #f5f8fb;            /* 연한 블루그레이 배경 */
  --bg-alt: #ffffff;
  --ink: #16222f;           /* 진한 남색 본문 */
  --ink-soft: #5b6472;
  --line: #dde5ee;
  --accent: #2f7fc1;        /* 브랜드 블루 */
  --accent-dark: #23639a;
  --accent-soft: #4a90c8;   /* 히어로 배경 도형 (로고 블루) */
  --kakao: #fee500;
  --kakao-ink: #191919;
  --naver: #03c75a;
  --dark: #14202e;          /* 다크 섹션 */
  --dark-card: #1f2d3d;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(29, 36, 51, .08);
  --max: 1180px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
::selection { background: #cfe3f5; color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
html { scrollbar-color: #9fb3c8 transparent; }
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-thumb { background: #9fb3c8; border-radius: 8px; border: 3px solid var(--bg); }
a { text-underline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; }
.ic { width: 16px; height: 16px; vertical-align: -3px; margin-right: 6px; flex: none; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -0.02em; }
p { margin: 0; }
.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 999; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 0; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-kakao { background: var(--kakao); color: var(--kakao-ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-naver { background: var(--naver); color: #fff; }
.btn-ghost { background: transparent; border: 2px solid var(--ink); color: var(--ink); }
.btn-ghost.on-dark { border-color: #fff; color: #fff; }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn[hidden] { display: none; }

/* 섹션 공통 */
section { padding: 96px 0; }
.sec-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
.sec-lead { margin-top: 16px; color: var(--ink-soft); font-size: 17px; max-width: 640px; }
.center { text-align: center; }
.center .sec-lead { margin-inline: auto; }
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .thumb { aspect-ratio: 4 / 3; background: #e3e9f0; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 20px; }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 15px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-weight: 700; font-size: 14px; color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 10px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 상단 바 */
.topbar { background: var(--dark); color: #cfd4dd; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar ul { display: flex; gap: 18px; }
.topbar a:hover { color: #fff; }

/* 헤더 */
.header { position: sticky; top: 0; z-index: 100; background: rgba(245,248,251,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; gap: 32px; height: 76px; }
.logo { display: flex; align-items: center; }
.logo img { height: 44px; width: auto; }
.logo b { font-size: 24px; font-weight: 900; letter-spacing: -0.03em; }
.logo b span { color: var(--accent); }
.logo small { font-size: 11px; color: var(--ink-soft); font-weight: 600; margin-top: 2px; }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a { padding: 10px 14px; font-weight: 700; font-size: 15px; border-radius: 8px; }
.nav a:hover { background: #e3ecf5; }
.header-cta { display: flex; gap: 10px; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; margin-left: auto; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 6px 8px; border-radius: 2px; }

/* 히어로 */
.hero { padding: 72px 0 0; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5.2vw, 60px); font-weight: 900; }
.hero h1 em { font-style: normal; color: var(--accent); display: block; }
.hero .lead { margin-top: 22px; font-size: 18px; color: var(--ink-soft); max-width: 520px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-visual { position: relative; min-height: 520px; }
.hero-blob {
  position: absolute; inset: 0 -40px 0 40px; border-radius: 50% 50% 0 0 / 60% 60% 0 0;
  background: var(--accent-soft); z-index: 0;
}
.hero-photo {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 78%; height: 94%; object-fit: cover; object-position: center top; z-index: 1;
  border-radius: 24px 24px 0 0; box-shadow: 0 20px 40px rgba(20,32,46,.18);
}
.badge-float {
  position: absolute; z-index: 2; background: #fff; border-radius: 12px; padding: 12px 16px;
  box-shadow: var(--shadow); font-size: 13px; font-weight: 700;
}
.badge-float small { display: block; color: var(--ink-soft); font-weight: 500; font-size: 11px; }
.badge-proc { top: 60px; left: 0; }
.badge-disc { right: 0; bottom: 60px; background: var(--dark); color: #fff; }
.badge-disc b { font-size: 22px; color: #7cc4ff; display: block; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin: 56px 0 0; padding: 28px 0 64px; border-top: 1px solid var(--line); }
.facts li { padding: 0 24px; border-left: 1px solid var(--line); }
.facts li:first-child { padding-left: 0; border-left: 0; }
.facts b { display: block; font-size: 16px; margin-bottom: 4px; }
.facts span { color: var(--ink-soft); font-size: 14px; }

/* 빠른 견적 3카드 */
.quick { padding: 0; margin-top: -40px; position: relative; z-index: 2; }
.quick .grid { gap: 16px; }
.qcard { border-radius: var(--radius); padding: 28px; color: #fff; min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; transition: transform .2s; }
.qcard:hover { transform: translateY(-4px); }
.qcard b { font-size: 20px; }
.qcard small { opacity: .85; }
.qcard.kakao { background: var(--kakao); color: var(--kakao-ink); }
.qcard.phone { background: var(--accent-soft); }
.qcard.naver { background: var(--naver); }
.qcard.sms { background: var(--dark); }

/* 약속 (다크) */
.promise { background: var(--dark); color: #fff; }
.promise .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.promise .sec-lead { color: #b9c0cc; }
.promise li { display: flex; gap: 14px; align-items: center; padding: 18px 20px; background: var(--dark-card); border-radius: var(--radius-sm); margin-bottom: 12px; font-weight: 600; }
.promise li::before { content: "✓"; flex: none; width: 28px; height: 28px; border-radius: 50%; background: #7cc4ff; color: var(--dark); display: grid; place-items: center; font-weight: 900; font-size: 14px; }

/* 사무실·기업 */
.office .wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.office .gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.office .gallery img { border-radius: var(--radius-sm); aspect-ratio: 4/3; object-fit: cover; }
.office .chips { margin-top: 24px; }

/* 제품 */
.products { background: #fff; }
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 40px 0; border-top: 1px solid var(--line); }
.product:first-of-type { border-top: 0; }
.product img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.product h3 { font-size: 26px; margin-bottom: 10px; }
.product p { color: var(--ink-soft); }
.product ul { margin-top: 14px; }
.product li { padding-left: 18px; position: relative; margin-bottom: 6px; color: var(--ink); font-size: 15px; }
.product li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.product.rev img { order: 2; }

/* 실측 */
.measure { background: var(--dark); color: #fff; }
.measure .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.measure .sec-lead { color: #b9c0cc; }
.win-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.win { background: var(--dark-card); border-radius: var(--radius); padding: 20px; text-align: center; }
.win .frame { border: 3px solid #6b7382; border-radius: 6px; aspect-ratio: 841/497; margin-bottom: 14px; display: grid; place-items: center; color: #8b93a3; font-size: 13px; background: repeating-linear-gradient(0deg, transparent 0 6px, rgba(255,255,255,.04) 6px 7px), repeating-linear-gradient(90deg, transparent 0 6px, rgba(255,255,255,.04) 6px 7px); }
.win b { font-size: 22px; color: #7cc4ff; }
.win small { display: block; color: #b9c0cc; }

/* 가격 안내 */
.price { background: #fff; }
.price-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; margin-top: 40px; align-items: stretch; }
.price-hero { background: var(--dark); color: #fff; border-radius: var(--radius); padding: 40px 32px; display: flex; flex-direction: column; justify-content: center; text-align: center; }
.price-hero small { font-size: 16px; color: #b9c0cc; font-weight: 600; }
.price-hero b { font-size: clamp(48px, 7vw, 72px); font-weight: 900; color: #7cc4ff; line-height: 1.1; margin: 8px 0; }
.price-hero span { font-size: 14px; color: #b9c0cc; }
.price-list { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 32px; }
.price-list h3 { font-size: 17px; margin-bottom: 14px; }
.price-list li { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 16px; }
.price-list li:last-child { border-bottom: 0; }
.price-list li b { color: var(--accent); font-size: 20px; }
.price .note { margin-top: 18px; color: var(--ink-soft); font-size: 14px; text-align: center; }
.price .cta { display: flex; justify-content: center; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* 수량 할인 (가격 섹션 내) */
.bulk { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; align-items: center; margin-top: 24px; padding: 28px 32px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.bulk h3 { font-size: 19px; margin-bottom: 8px; }
.bulk p { color: var(--ink-soft); font-size: 14px; }
.bulk .tiers { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.bulk .tier { background: none; border: 0; border-left: 1px solid var(--line); border-radius: 0; padding: 6px 20px; text-align: left; }
.bulk .tier:first-child { border-left: 0; padding-left: 0; }
.bulk .tier b { font-size: 36px; color: var(--accent); font-variant-numeric: tabular-nums; }
.bulk .tier span { font-size: 14px; color: var(--ink-soft); font-weight: 600; margin-top: 2px; }
.price-list li b, .price-hero b { font-variant-numeric: tabular-nums; }

/* 할인 */
.discount .tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.tier { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 24px; text-align: center; }
.tier b { display: block; font-size: 48px; font-weight: 900; color: var(--accent); line-height: 1; }
.tier span { display: block; margin-top: 10px; font-weight: 700; }
.tier:nth-child(2) b { color: var(--accent-dark); }
.tier:nth-child(3) { background: var(--dark); color: #fff; border-color: var(--dark); }
.tier:nth-child(3) b { color: #7cc4ff; }
.discount .note { margin-top: 18px; color: var(--ink-soft); font-size: 14px; text-align: center; }
.discount .cta { display: flex; justify-content: center; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* 조달 */
.gov { background: #fff; }
.gov .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.gov .pics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gov .pics img { border-radius: var(--radius-sm); aspect-ratio: 3/4; object-fit: cover; }
.gov .pics img:last-child { margin-top: 40px; }
.gov-badge { display: inline-flex; align-items: center; gap: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin-bottom: 20px; font-weight: 700; font-size: 14px; }
.gov-badge i { width: 40px; height: 40px; border-radius: 10px; background: #e8f1ff; display: grid; place-items: center; font-style: normal; font-size: 12px; color: #1e5fb8; font-weight: 900; }

/* 비포 애프터 */
.ba .grid { margin-top: 40px; }
.ba-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.ba-pair { display: grid; grid-template-columns: 1fr 1fr; }
.ba-pair figure { margin: 0; position: relative; }
.ba-pair img { aspect-ratio: 1; object-fit: cover; }
.ba-pair figcaption { position: absolute; top: 10px; left: 10px; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 800; background: rgba(0,0,0,.6); color: #fff; }
.ba-pair figure:last-child figcaption { background: var(--accent); }
.ba-item .body { padding: 18px 20px; }
.ba-item h3 { font-size: 17px; }
.ba-item p { color: var(--ink-soft); font-size: 14px; margin-top: 4px; }

/* 과정 */
.process { background: var(--dark); color: #fff; }
.process .sec-lead { color: #b9c0cc; }
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 48px; }
.step { background: var(--dark-card); border-radius: var(--radius-sm); padding: 24px 18px; }
.step b { display: block; color: #7cc4ff; font-size: 13px; letter-spacing: .1em; margin-bottom: 10px; }
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: #b9c0cc; font-size: 13px; }

/* 시공사례 */
.cases .grid { margin-top: 40px; }
.case-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; font-size: 13px; color: var(--ink-soft); }
.case-meta .tag { background: #e3eef9; color: var(--accent); padding: 3px 10px; border-radius: 999px; font-weight: 700; font-size: 12px; }

/* 작업 현장 갤러리 */
.field { background: var(--dark); color: #fff; }
.field .sec-lead { color: #b9c6d4; }
.field-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px; }
.field-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); }
.field-grid img:nth-child(1), .field-grid img:nth-child(6) { grid-column: span 2; grid-row: span 2; }
@media (max-width: 768px) { .field-grid { grid-template-columns: repeat(2, 1fr); } }

/* 후기 */
.reviews { background: #fff; }
.reviews .grid { margin-top: 40px; }
.review { background: var(--bg); border-radius: var(--radius); padding: 26px; border: 1px solid var(--line); }
.review .stars { color: #f5a623; letter-spacing: 2px; font-size: 14px; margin-bottom: 10px; }
.review p { font-size: 15px; }
.review footer { margin-top: 16px; font-size: 13px; color: var(--ink-soft); display: flex; justify-content: space-between; }
.review footer b { color: var(--ink); }

/* 블라인드 */
.blind .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.blind .pics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.blind .pics img { border-radius: var(--radius-sm); aspect-ratio: 1; object-fit: cover; }

/* 지역 */
.areas { background: #fff; }
.areas .chips { margin-top: 32px; justify-content: center; }
.areas .extra { margin-top: 18px; color: var(--ink-soft); font-size: 15px; text-align: center; }

/* 하단 CTA */
.contact { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%); color: #fff; }
.contact .wrap { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.contact h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 900; }
.contact p { margin-top: 12px; opacity: .92; font-size: 17px; }
.contact .cta { display: flex; flex-direction: column; gap: 12px; min-width: 260px; }
.contact .cta .btn { justify-content: center; }
.contact .btn-dark { background: var(--dark); }
.contact .btn-white { background: #fff; color: var(--accent-dark); }

/* 푸터 */
.footer { background: var(--dark); color: #b9c0cc; padding: 64px 0 32px; font-size: 14px; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer li { margin-bottom: 8px; }
.footer a:hover { color: #fff; }
.footer-logo { height: 40px; width: auto; background: #fff; border-radius: 8px; padding: 6px 10px; }
.footer .about { margin-top: 14px; max-width: 360px; }
.footer .biz { margin-top: 40px; padding-top: 24px; border-top: 1px solid #2d3442; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #8b93a3; }

/* 플로팅 버튼 */
.fab { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 90; }
.fab a { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.2); color: #fff; }
.fab a svg { width: 24px; height: 24px; }
.fab .f-kakao { background: var(--kakao); color: var(--kakao-ink); }
.fab .f-phone { background: var(--accent); }
.fab .f-naver { background: var(--naver); }
.fab .f-sms { background: var(--dark); }
.fab .f-top { background: var(--ink); font-weight: 900; font-size: 12px; }

/* 입장 모션: 히어로 한 번만 */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes blob { from { opacity: 0; transform: translateY(40px) scale(.96); } to { opacity: 1; transform: none; } }
.hero-copy > * { animation: rise .7s cubic-bezier(.16,1,.3,1) both; }
.hero-copy > :nth-child(2) { animation-delay: .06s; }
.hero-copy > :nth-child(3) { animation-delay: .12s; }
.hero-blob { animation: blob .9s cubic-bezier(.16,1,.3,1) both; }
.hero-photo, .badge-float { animation: rise .8s cubic-bezier(.16,1,.3,1) .15s both; }
@media (prefers-reduced-motion: reduce) { .hero-copy > *, .hero-blob, .hero-photo, .badge-float { animation: none; } }

/* 반응형 */
@media (max-width: 1024px) {
  .header-cta { display: none; }
  .nav { gap: 0; }
  .nav a { padding: 8px 9px; font-size: 14px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .facts li:nth-child(3) { border-left: 0; padding-left: 0; }
  .bulk { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .hero .wrap, .promise .wrap, .office .wrap, .measure .wrap, .gov .wrap, .blind .wrap, .contact .wrap { grid-template-columns: 1fr; }
  .hero-visual { min-height: 420px; }
  .product { grid-template-columns: 1fr; }
  .product.rev img { order: 0; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .topbar { display: none; }
  .nav, .header-cta { display: none; }
  .burger { display: block; }
  .header.open .nav { display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0; background: #fff; padding: 16px 20px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .header.open .header-cta { display: flex; position: absolute; top: calc(76px + 300px); left: 20px; right: 20px; background: #fff; padding-bottom: 20px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; row-gap: 18px; }
  .facts li { border-left: 0; padding: 0; }
  .bulk .tiers { grid-template-columns: 1fr 1fr 1fr; }
  .bulk .tier { padding: 0 10px; }
  .bulk .tier b { font-size: 26px; }
  .quick .grid { grid-template-columns: 1fr; }
  .quick { margin-top: 0; padding-top: 24px; }
  .discount .tiers { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .logo img { height: 36px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .win-pair { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .hero-visual { min-height: 340px; }
  .badge-float { font-size: 12px; padding: 10px 12px; }
}