/* AI똑소리 시안 C6 + C4 색: 전면 사진 첫 화면 + 지그재그, 흰 바탕 + 짙은 남색·청록 */
:root {
  --teal: #0aa5a0;
  --teal-dark: #078a86;
  --teal-soft: #e3f6f5;
  --ink: #152233;
  --ink-2: #35465c;
  --sub: #5a6878;
  --line: #dde4ea;
  --soft: #f3f6f9;
  --radius: 20px;
  --wrap: 1200px;
  --font: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

/* 초기화 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--ink); background: #fff; word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }  /* height 속성 때문에 세로로 늘어나는 것 방지 */
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
.skip { position: fixed; top: -100px; left: 12px; z-index: 99; background: var(--ink); color: #fff; padding: 10px 14px; }
.skip:focus { top: 12px; }
.small { font-size: 14px; color: var(--sub); }
.small.light { color: #a8c7c5; }

/* 둥근 버튼 */
.pill { display: inline-flex; align-items: center; justify-content: center; height: 56px; padding: 0 30px; border-radius: 999px; font-weight: 700; font-size: 16px; border: 0; cursor: pointer; transition: background-color .15s, transform .15s; }
.pill-teal { background: var(--teal); color: #fff; box-shadow: 0 10px 24px -10px rgba(10, 165, 160, .7); }
.pill-teal:hover { background: var(--teal-dark); }
.pill-glass { background: rgba(255, 255, 255, .14); color: #fff; border: 1px solid rgba(255, 255, 255, .5); backdrop-filter: blur(6px); }
.pill-glass:hover { background: rgba(255, 255, 255, .24); }
.pill-white { background: #fff; color: var(--teal); }
.pill.wide { width: 100%; }

/* 상단 메뉴 */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 30; color: #fff; transition: background-color .2s, color .2s, box-shadow .2s; }
.header.solid { background: #fff; color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--teal); color: #fff; font-family: Arial, Helvetica, sans-serif; font-size: 25px; font-weight: 700; line-height: 1; padding-bottom: 3px; }
.brand-name { font-size: 20px; font-weight: 800; line-height: 1.1; }
.brand-name small { display: block; font-size: 11px; font-weight: 500; opacity: .7; margin-top: 3px; }
.nav { display: flex; gap: 28px; margin-left: auto; font-size: 15px; font-weight: 600; }
.nav a { opacity: .9; }
.nav a:hover { opacity: 1; color: var(--teal); }
.header:not(.solid) .nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
.tel-btn { display: inline-flex; align-items: center; height: 42px; padding: 0 20px; border-radius: 999px; background: var(--teal); color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .02em; white-space: nowrap; }
.menu-btn { display: none; }

/* 1. 첫 화면 */
.hero { position: relative; min-height: 640px; height: min(100vh, 900px); display: flex; flex-direction: column; justify-content: flex-end; color: #fff; overflow: hidden; background: #0b1a2b; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 26, 43, .92) 0%, rgba(11, 26, 43, .7) 45%, rgba(11, 26, 43, .15) 100%), linear-gradient(0deg, rgba(11, 26, 43, .85) 0%, rgba(11, 26, 43, 0) 45%); }
.hero-inner { position: relative; padding-top: 140px; padding-bottom: 72px; }
.badge { display: inline-block; padding: 8px 16px; border-radius: 999px; background: rgba(10, 165, 160, .9); color: #fff; font-size: 14px; font-weight: 700; }
.hero h1 { margin-top: 22px; font-size: 64px; line-height: 1.22; font-weight: 800; letter-spacing: -.03em; }
.hero h1 em { font-style: normal; color: #57d6ce; }
.hero-lead { margin-top: 22px; font-size: 19px; color: #cddde3; max-width: 620px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.photo-note { margin-top: 28px; font-size: 12px; color: rgba(255, 255, 255, .5); }
.ticker { position: relative; border-top: 1px solid rgba(255, 255, 255, .18); background: rgba(11, 26, 43, .55); overflow: hidden; }
.ticker-track { display: flex; width: max-content; animation: ticker 36s linear infinite; }
.ticker-track span { padding: 18px 28px; font-size: 16px; font-weight: 600; color: #dceaea; white-space: nowrap; }
.ticker-track span::before { content: "●"; color: var(--teal); font-size: 8px; vertical-align: middle; margin-right: 14px; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* 2. 핵심 숫자 */
.facts { position: relative; z-index: 2; margin-top: -1px; padding: 56px 0; border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.fact { padding: 28px; border-radius: var(--radius); background: var(--soft); }
.fact strong { display: block; font-size: 46px; font-weight: 800; color: var(--teal); line-height: 1.1; letter-spacing: -.02em; }
.fact strong small { font-size: 22px; margin-left: 2px; }
.fact p { margin-top: 10px; font-size: 15px; color: var(--ink-2); }

/* 공통 섹션 */
.section { padding: 120px 0; }
.section.soft { background: var(--soft); }
.sec-head { margin-bottom: 56px; }
.sec-head.center { text-align: center; max-width: 760px; margin-left: auto; margin-right: auto; }
.kicker { display: inline-block; color: var(--teal); font-weight: 800; font-size: 15px; margin-bottom: 12px; }
.sec-head h2, .zig-text h2, .check-copy h2 { font-size: 42px; line-height: 1.3; font-weight: 800; letter-spacing: -.025em; }
.sec-head p { margin-top: 16px; font-size: 18px; color: var(--sub); }

/* 3. 패키지 */
.pkg { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.pkg-visual img { border-radius: var(--radius); }
.pkg-visual figcaption { margin-top: 10px; font-size: 13px; color: var(--sub); }
.pkg-list { display: grid; gap: 12px; }
.pkg-list li { display: flex; gap: 18px; padding: 22px 24px; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.pkg-list .num { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--teal-soft); color: var(--teal); font-weight: 800; display: grid; place-items: center; font-size: 15px; }
.pkg-list h3 { font-size: 18px; font-weight: 800; }
.pkg-list p { margin-top: 4px; font-size: 15px; color: var(--sub); }
.pkg-list .pkg-plus { display: block; border: 0; background: var(--teal); color: #fff; font-weight: 700; text-align: center; padding: 16px; }

/* 4. 지그재그 */
.zig { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.zig + .zig { margin-top: 110px; }
.zig.rev .zig-img { order: 2; }
.zig-img { border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 3; background: #dbe4e9; position: relative; }
.zig-img img { width: 100%; height: 100%; object-fit: cover; }
.zig-img.dark { background: #0b1a2b; }
.zig-img figcaption { position: absolute; left: 16px; bottom: 14px; font-size: 12px; color: #fff; background: rgba(0, 0, 0, .5); padding: 4px 10px; border-radius: 999px; }
.zig-text p { margin-top: 16px; font-size: 17px; color: var(--ink-2); }
.zig-text .small { font-size: 14px; color: var(--sub); }
.x-list, .check-list { margin-top: 22px; display: grid; gap: 10px; }
.x-list li, .check-list li { position: relative; padding: 14px 18px 14px 50px; border-radius: 14px; background: #fff; font-weight: 600; font-size: 16px; box-shadow: 0 1px 0 var(--line); }
.x-list li::before, .check-list li::before { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 800; }
.x-list li::before { content: "✕"; background: #ffe8e6; color: #d6402f; }
.check-list li::before { content: "✓"; background: var(--teal-soft); color: var(--teal); }
.mode-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.mode-chips li { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px 10px 10px; border-radius: 999px; background: #fff; font-weight: 700; box-shadow: 0 1px 0 var(--line); }
.mode-chips b { width: 26px; height: 26px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: 13px; }
.compare-card { margin-top: 22px; padding: 22px 24px; border-radius: 18px; background: #fff; box-shadow: 0 1px 0 var(--line); }
.bar-row { display: grid; grid-template-columns: 110px 1fr 74px; gap: 12px; align-items: center; font-size: 14px; font-weight: 600; }
.bar-row + .bar-row { margin-top: 12px; }
.bar { height: 14px; border-radius: 999px; background: var(--soft); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: #aebcc6; }
.bar-row.best .bar i { background: var(--teal); }
.bar-row b { text-align: right; }
.bar-row.best b { color: var(--teal); }
.demo { margin-top: 12px !important; font-size: 12px !important; color: #9a6400 !important; }

/* 5. 적용 설비 */
.eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.eq-card { border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.eq-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.eq-card div { padding: 24px; }
.eq-card h3 { font-size: 22px; font-weight: 800; }
.eq-card p { margin-top: 4px; color: var(--sub); }
.tag { display: inline-block; margin-top: 14px; padding: 6px 12px; border-radius: 999px; background: var(--teal-soft); color: var(--teal); font-size: 13px; font-weight: 700; }
.eq-note { margin-top: 28px; text-align: center; color: var(--sub); }

/* 6. 도입 절차 */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: none; }
.flow li { position: relative; padding: 28px 22px; border-radius: var(--radius); background: #fff; }
.flow li:not(:last-child)::after { content: ""; position: absolute; right: -12px; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--teal); border-right: 2px solid var(--teal); transform: translateY(-50%) rotate(45deg); }
.flow b { color: var(--teal); font-size: 14px; font-weight: 800; }
.flow h3 { margin-top: 8px; font-size: 18px; font-weight: 800; }
.flow p { margin-top: 6px; font-size: 14px; color: var(--sub); }

/* 7. 적합도 계산기 */
.check { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.check-copy p { margin-top: 16px; font-size: 17px; color: var(--ink-2); }
.check-copy .small { font-size: 14px; color: var(--sub); }
.check-card { padding: 36px; border-radius: 28px; background: #0b1a2b; color: #fff; box-shadow: 0 30px 60px -30px rgba(11, 26, 43, .55); }
.inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.inputs label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: #c3d2dd; }
.inputs label span { display: none; }
.inputs input { height: 52px; padding: 0 16px; border-radius: 14px; border: 1px solid #22364f; background: #12263d; color: #fff; font-size: 18px; font-weight: 700; }
.result { margin: 22px 0; padding: 24px; border-radius: 18px; background: #12263d; }
.result > span { font-size: 14px; color: #93a7b6; }
.result strong { display: block; font-size: 38px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.verdict { display: inline-block; margin-top: 10px; padding: 7px 14px; border-radius: 999px; font-weight: 800; font-size: 15px; }
.verdict[data-level="go"] { background: var(--teal); color: #fff; }
.verdict[data-level="maybe"] { background: #ffc94d; color: #3d2a00; }
.verdict[data-level="no"] { background: #22364f; color: #ccd8e0; }
.result .small { margin-top: 8px; color: #93a7b6; }
.check-card > .small { margin-top: 12px; color: #7d8fa0; text-align: center; }

/* 8. 수전합리화 배너 */
.sujeon-banner { position: relative; padding: 100px 0; color: #fff; overflow: hidden; background: #0b1a2b; }
.sujeon-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.sujeon-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.sujeon-inner h2 { margin-top: 18px; font-size: 38px; line-height: 1.3; font-weight: 800; letter-spacing: -.02em; }
.sujeon-inner p { margin-top: 14px; max-width: 620px; color: #cddde3; font-size: 17px; }
.sujeon-inner .pill { flex: none; }

/* 9. 자주 묻는 질문 */
.faq-wrap { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.faq details { border-radius: 16px; background: var(--soft); margin-bottom: 12px; }
.faq summary { list-style: none; cursor: pointer; padding: 22px 60px 22px 26px; font-weight: 700; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; border-radius: 50%; background: #fff; color: var(--teal); display: grid; place-items: center; font-size: 20px; font-weight: 700; }
.faq details[open] summary::after { content: "−"; background: var(--teal); color: #fff; }
.faq details p { padding: 0 26px 24px; color: var(--ink-2); }

/* 10. 마지막 상담 띠 */
.cta { padding: 110px 0; background: linear-gradient(135deg, #0aa5a0 0%, #0b6f7c 55%, #0b1a2b 100%); color: #fff; }
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.cta h2 { font-size: 46px; line-height: 1.25; font-weight: 800; letter-spacing: -.025em; }
.cta-copy > p { margin-top: 14px; font-size: 18px; color: #cfeceb; }
.cta-tel { display: inline-block; margin-top: 28px; font-size: 52px; font-weight: 800; letter-spacing: .01em; line-height: 1; }
.cta-tel::before { content: "☎ "; font-size: .6em; vertical-align: middle; }
.cta-copy .small { margin-top: 12px; }
.cta-form { display: grid; gap: 14px; padding: 32px; border-radius: 28px; background: #fff; color: var(--ink); }
.cta-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 700; }
.cta-form input, .cta-form select { height: 52px; padding: 0 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--soft); font-size: 16px; }
.form-msg { font-size: 13px; color: var(--sub); text-align: center; }
.form-msg.done { color: var(--teal); font-weight: 700; }

/* 하단 */
.footer { padding: 56px 0 40px; background: #0b1a2b; color: #94a6b3; font-size: 14px; }
.footer .brand-name { color: #fff; }
.foot-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.logos { display: flex; gap: 12px; flex-wrap: wrap; }
.logos li { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-radius: 12px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 700; }
.logos img { height: 22px; width: auto; }
.logos li:last-child img { height: 16px; }
.foot-info { margin-top: 28px; line-height: 1.8; }
.foot-note { margin-top: 16px; padding-top: 16px; border-top: 1px solid #20374a; font-size: 12px; color: #71858f; }

/* 떠 있는 상담 버튼 */
.float-btn { position: fixed; right: 24px; bottom: 24px; z-index: 40; width: 68px; height: 68px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 800; font-size: 16px; display: grid; place-items: center; box-shadow: 0 14px 30px -10px rgba(10, 165, 160, .8); }
.float-btn:hover { background: var(--teal-dark); }

/* 움직임 줄이기 설정 존중 */
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* 태블릿 */
@media (max-width: 1080px) {
  .nav { gap: 18px; font-size: 14px; }
  .hero h1 { font-size: 52px; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow li:nth-child(3)::after { display: none; }
}

/* 좁은 화면: 메뉴 접기 */
@media (max-width: 900px) {
  .header-inner { height: 64px; gap: 12px; }
  .tel-btn { margin-left: auto; }
  .menu-btn { display: grid; align-content: center; gap: 6px; width: 40px; height: 40px; padding: 0 9px; border: 0; background: transparent; cursor: pointer; }
  .menu-btn span { display: block; height: 2px; background: currentColor; transition: transform .15s; }
  .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0; padding: 8px 20px 20px; background: #fff; color: var(--ink); box-shadow: 0 12px 24px -12px rgba(0, 0, 0, .25); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .header:not(.solid) .nav a:hover { color: var(--teal); text-decoration: none; }
  .pkg, .zig, .check, .faq-wrap, .cta-inner { grid-template-columns: 1fr; gap: 36px; }
  .zig.rev .zig-img { order: 0; }
  .pkg-visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 70%; }
  .zig + .zig { margin-top: 80px; }
  .eq-grid { grid-template-columns: 1fr; }
  .eq-card { display: grid; grid-template-columns: 200px 1fr; }
  .eq-card img { height: 100%; aspect-ratio: auto; }
  .sujeon-inner { flex-direction: column; align-items: flex-start; }
}

/* 휴대폰 */
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .hero h1 br, .sec-head h2 br, .zig-text h2 br, .check-copy h2 br, .sujeon-inner h2 br, .cta h2 br, .hero-lead br, .fact p br { display: none; }
  .brand-name { font-size: 18px; }
  .tel-btn { height: 36px; padding: 0 14px; font-size: 13px; }
  .hero-inner { padding-top: 110px; padding-bottom: 40px; }
  .hero h1 { font-size: 36px; }
  .hero-lead { font-size: 16px; }
  .hero-btns .pill { flex: 1 1 100%; }
  .ticker-track span { padding: 14px 18px; font-size: 14px; }
  .facts { padding: 32px 0; }
  .facts-grid { gap: 12px; }
  .fact { padding: 20px 16px; }
  .fact strong { font-size: 34px; }
  .fact p { font-size: 13px; }
  .section { padding: 72px 0; }
  .sec-head { margin-bottom: 36px; }
  .sec-head h2, .zig-text h2, .check-copy h2 { font-size: 28px; }
  .sec-head p, .zig-text p { font-size: 16px; }
  .zig-img { border-radius: 20px; }
  .bar-row { grid-template-columns: 90px 1fr 64px; font-size: 13px; }
  .eq-card { grid-template-columns: 1fr; }
  .eq-card img { aspect-ratio: 16 / 10; }
  .flow { grid-template-columns: 1fr; }
  .flow li::after { display: none; }
  .check-card { padding: 22px 18px; border-radius: 22px; }
  .inputs { grid-template-columns: 1fr 1fr; gap: 10px; }
  .inputs input { font-size: 16px; }
  .result strong { font-size: 30px; }
  .sujeon-banner { padding: 72px 0; }
  .sujeon-inner h2 { font-size: 28px; }
  .cta { padding: 72px 0; }
  .cta h2 { font-size: 32px; }
  .cta-tel { font-size: 36px; }
  .cta-form { padding: 22px 18px; }
  .float-btn { width: 58px; height: 58px; right: 16px; bottom: 16px; font-size: 14px; }
}

/* ===== 컨소시엄 영역 ===== */
.hero-partner { margin-top: 26px; font-size: 15px; color: #cddde3; }
.hero-partner b { color: #fff; font-weight: 700; }

.co-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.co-card { padding: 32px 34px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
.co-head { display: flex; align-items: center; gap: 16px; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--line); min-height: 78px; }
.co-head h3 { font-size: 23px; font-weight: 800; }
.co-head p { margin-top: 2px; font-size: 15px; color: var(--sub); }
.co-logo { width: auto; height: 42px; }
.co-card .check-list { margin-top: 0; }
.co-card .check-list li { background: var(--soft); box-shadow: none; font-size: 15px; font-weight: 600; }

.co-sub { margin: 72px 0 24px; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.ref-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ref-box { padding: 26px 28px; border-radius: 18px; background: var(--soft); }
.ref-box b { display: inline-block; font-size: 34px; font-weight: 800; color: var(--teal); line-height: 1; letter-spacing: -.02em; }
.ref-box b::after { content: "건"; font-size: 15px; margin-left: 3px; }
.ref-box span { display: block; margin-top: 6px; font-size: 17px; font-weight: 700; }
.ref-box p { margin-top: 10px; font-size: 14px; color: var(--sub); line-height: 1.8; }
.ref-note { margin-top: 16px; font-size: 13px; color: var(--sub); }

.plus-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.plus-card { padding: 26px 24px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
.plus-card h4 { font-size: 18px; font-weight: 800; }
.plus-card p { margin-top: 10px; font-size: 15px; color: var(--ink-2); }
.plus-card .tag { margin-top: 16px; }

.cert-strip { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-top: 40px; padding: 26px 32px; border-radius: 18px; background: #0b1a2b; color: #cddde3; }
.cert-strip p { font-size: 15px; max-width: 720px; }
.cert-strip b { display: block; color: #fff; font-size: 17px; font-weight: 800; margin-bottom: 4px; }
.cert-strip ul { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-strip li { padding: 8px 14px; border-radius: 999px; background: rgba(10, 165, 160, .18); color: #7fe0da; font-size: 13px; font-weight: 700; }

/* 하단 두 회사 */
.foot-cos { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 28px; }
.foot-cos h3 { font-size: 16px; font-weight: 800; color: #fff; }
.foot-cos h3 span { font-size: 12px; font-weight: 600; color: var(--teal); margin-left: 6px; }
.foot-cos p { margin-top: 8px; line-height: 1.8; }

@media (max-width: 1080px) {
  .plus-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .co-grid, .ref-grid, .foot-cos { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .co-card { padding: 24px 20px; }
  .co-sub { margin: 48px 0 18px; font-size: 20px; }
  .plus-grid { grid-template-columns: 1fr; }
  .ref-box { padding: 20px 18px; }
  .cert-strip { padding: 22px 18px; }
}

/* 한 팀 표현: 역할 4칸 + 두 회사 띠 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { padding: 28px 26px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
.team-no { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--teal-soft); color: var(--teal); font-weight: 800; font-size: 14px; }
.team-card h3 { margin-top: 14px; font-size: 19px; font-weight: 800; }
.team-card p { margin-top: 8px; font-size: 15px; color: var(--ink-2); }

.team-bar { display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap; margin-top: 24px; padding: 24px 32px; border-radius: 18px; background: var(--soft); }
.team-co { display: flex; align-items: center; gap: 14px; }
.team-co b { display: block; font-size: 17px; font-weight: 800; }
.team-co span { font-size: 14px; color: var(--sub); }
.team-plus { font-size: 26px; font-weight: 800; color: var(--teal); }

@media (max-width: 1080px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) {
  .team-grid { grid-template-columns: 1fr; }
  .team-bar { flex-direction: column; align-items: flex-start; gap: 14px; padding: 20px 18px; }
  .team-plus { display: none; }
}

/* 상세페이지로 넘어가는 링크 */
.more-link { margin-top: 20px; font-size: 16px; font-weight: 700; }
.more-link.center { text-align: center; }
.more-link a { color: var(--teal); border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.more-link a:hover { color: var(--teal-dark); }

/* 2026-09-29 수정 요청 반영 */
/* 핵심 숫자 4칸: 글자 가운데 정렬 */
.fact { text-align: center; }
/* 영역 이름(제품 구성·문제·해결 등)이 눈에 띄도록 키움 */
.kicker {
  font-size: 17px; font-weight: 800; letter-spacing: -.01em;
  padding: 5px 14px; border-radius: 999px;
  background: var(--teal-soft); color: var(--teal-dark);
  margin-bottom: 16px;
}
.section.dark .kicker, .hero .kicker { background: rgba(10,165,160,.22); color: #7fe0da; }
/* 도입 절차 제목은 한 줄로 */
h2.oneline { white-space: nowrap; }
@media (max-width: 1080px) { h2.oneline { white-space: normal; } }
@media (max-width: 600px) { .kicker { font-size: 15px; padding: 4px 12px; } }

/* 계산기 확장: 가정값 입력과 결과 줄 */
.assume-title { margin: 22px 0 10px; font-size: 15px; font-weight: 700; color: #cddde3; }
.assume-title span { display: block; font-size: 13px; font-weight: 400; color: #93a7b6; margin-top: 2px; }
.inputs.assume { grid-template-columns: 1fr 1fr; }
.inputs.assume .wide-input { grid-column: 1 / -1; }
.inputs input::placeholder { color: #6f8291; font-weight: 400; font-size: 15px; }
.result.sub { margin-top: 14px; padding: 18px 24px; }
.res-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 7px 0; }
.res-row + .res-row { border-top: 1px solid #22364f; }
.res-row span { font-size: 14px; color: #93a7b6; }
.res-row strong { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.res-row strong.big { font-size: 24px; color: #4fd6cc; }

/* 하한 주파수 데모 */
.hz-demo { margin-top: 22px; padding: 22px 24px; border-radius: 18px; background: #fff; box-shadow: 0 1px 0 var(--line); }
.hz-demo > label { display: flex; align-items: baseline; justify-content: space-between; font-size: 14px; font-weight: 700; color: var(--sub); }
.hz-demo > label span { font-size: 20px; color: var(--ink); font-variant-numeric: tabular-nums; }
.hz-demo input[type="range"] { width: 100%; margin: 12px 0 18px; accent-color: var(--teal); }
.hz-flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hz-flow > div { flex: 1 1 120px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); text-align: center; }
.hz-flow > div span { display: block; font-size: 12px; color: var(--sub); }
.hz-flow > div b { font-size: 17px; font-variant-numeric: tabular-nums; }
.hz-flow > div.guard { border-color: var(--ink); }
.hz-flow > div.out { border-color: var(--teal); background: var(--teal-soft); }
.hz-flow > div.out b { color: var(--teal-dark); }
.hz-flow i { font-style: normal; color: var(--sub); }
.hz-state { margin-top: 14px; padding: 9px 14px; border-radius: 8px; font-size: 14px; font-weight: 700; }
.hz-state[data-hold="true"] { background: #fff4e0; color: #8a5300; }
.hz-state[data-hold="false"] { background: var(--teal-soft); color: var(--teal-dark); }

/* 상담 폼: 두 칸 배치 */
.form-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) {
  .form-two, .inputs.assume { grid-template-columns: 1fr; }
  .hz-flow { flex-direction: column; align-items: stretch; }
  .hz-flow i { text-align: center; }
  .hz-demo { padding: 18px 16px; }
}

/* 현재 보고 있는 메뉴 표시 (모든 페이지 공통) */
.nav a[aria-current="page"] { color: var(--teal); font-weight: 800; }

/* 상담 폼: 동의 체크, 자동등록 방지 칸, 오류 문구 */
.cta-form .agree { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; font-weight: 500; color: var(--sub); line-height: 1.5; }
.cta-form .agree input { flex: none; width: 18px; height: 18px; margin-top: 1px; padding: 0; accent-color: var(--teal); }
.cta-form .trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.cta-form button:disabled { opacity: .6; cursor: wait; }
.form-msg.err { color: #d14343; font-weight: 700; }