:root {
  --ink: #171821;
  --ink-soft: #252733;
  --paper: #f6f2e9;
  --paper-deep: #e9e1d2;
  --white: #fffdf8;
  --accent: #a63d2c;
  --accent-dark: #7f2d20;
  --wood: #bb8b5f;
  --muted: #69665f;
  --line: rgba(23, 24, 33, .14);
  --radius: 22px;
  --shadow: 0 22px 55px rgba(25, 21, 17, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif; line-height: 1.65; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 14px; top: -80px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--accent); border-radius: 8px; }
.skip-link:focus { top: 14px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 78px; color: #fff; background: rgba(23, 24, 33, .82); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(16px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 158px; max-height: 52px; object-fit: contain; filter: brightness(0) invert(1); }
.desktop-nav { display: flex; gap: 30px; margin-left: auto; }
.desktop-nav a { position: relative; color: rgba(255,255,255,.78); font-size: .94rem; font-weight: 650; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: #e9876f; transition: right .25s ease; }
.desktop-nav a:hover { color: #fff; }
.desktop-nav a:hover::after { right: 0; }

.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 21px; border: 0; border-radius: 10px; font-weight: 800; cursor: pointer; transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 9px 17px; font-size: .9rem; }
.button-solid { background: #fff; color: var(--ink); }
.button-accent { background: var(--accent); color: #fff; box-shadow: 0 12px 28px rgba(166,61,44,.28); }
.button-accent:hover { background: var(--accent-dark); }
.button-ghost { color: #fff; border: 1px solid rgba(255,255,255,.4); background: rgba(255,255,255,.04); }

.section { padding: 112px 0; }
.section-dark { color: #fff; background: var(--ink); }
.section-warm { background: var(--paper); }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: .78rem; font-weight: 900; letter-spacing: .17em; }
.section-dark .eyebrow { color: #e9876f; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading h2, .contact-copy h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.65rem); line-height: 1.14; letter-spacing: -.055em; }
.section-heading > p:last-child { margin: 20px 0 0; color: var(--muted); font-size: 1.04rem; }
.section-dark .section-heading > p:last-child { color: rgba(255,255,255,.66); }
.heading-row { max-width: none; display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: end; }
.heading-row > p { margin-bottom: 4px !important; }

.hero { position: relative; min-height: 800px; padding: 150px 0 78px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; top: -260px; left: -180px; background: radial-gradient(circle, rgba(166,61,44,.35), transparent 67%); }
.hero-grid { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: center; }
.hero-copy h1 { margin: 0; font-size: clamp(3rem, 6vw, 5.8rem); line-height: 1.02; letter-spacing: -.075em; }
.hero-copy h1 em { color: #e9876f; font-style: normal; }
.hero-lead { max-width: 650px; margin: 27px 0 0; color: rgba(255,255,255,.72); font-size: 1.1rem; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.trust-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 45px 0 0; padding: 0; list-style: none; background: rgba(255,255,255,.17); }
.trust-list li { padding: 18px 14px; background: var(--ink); }
.trust-list strong, .trust-list span { display: block; }
.trust-list strong { color: #fff; font-size: 1.08rem; }
.trust-list span { margin-top: 2px; color: rgba(255,255,255,.53); font-size: .78rem; }
.hero-visual { position: relative; margin: 0; border-radius: 4px 88px 4px 4px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.42); }
.hero-visual img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.hero-visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); pointer-events: none; }
.hero-visual figcaption { position: absolute; inset: auto 18px 18px; padding: 16px 18px; color: rgba(255,255,255,.8); background: rgba(14,15,20,.78); border: 1px solid rgba(255,255,255,.15); border-radius: 12px; backdrop-filter: blur(12px); font-size: .85rem; }
.hero-visual figcaption span { display: block; color: #fff; font-weight: 850; }

.intro-band { padding: 31px 0; color: #fff; background: var(--accent); }
.intro-band-inner { display: flex; align-items: center; justify-content: center; gap: 18px; text-align: center; }
.intro-band p, .intro-band strong { margin: 0; }
.intro-band p { opacity: .75; }
.intro-band strong { font-size: 1.13rem; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 290px; padding: 34px 28px; background: var(--paper); border: 1px solid transparent; border-radius: var(--radius); transition: .25s ease; overflow: hidden; }
.service-card:hover { transform: translateY(-7px); border-color: rgba(166,61,44,.26); box-shadow: var(--shadow); }
.service-card::after { content: ""; position: absolute; width: 130px; height: 130px; right: -55px; bottom: -55px; border: 23px solid rgba(166,61,44,.08); border-radius: 50%; }
.service-card > span { display: inline-flex; width: 45px; height: 45px; align-items: center; justify-content: center; color: #fff; background: var(--accent); border-radius: 50%; font-size: .78rem; font-weight: 900; }
.service-card h3 { margin: 50px 0 11px; font-size: 1.33rem; }
.service-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.concept-card { margin: 0; background: var(--white); border-radius: var(--radius); box-shadow: 0 14px 34px rgba(34,29,24,.1); overflow: hidden; }
.concept-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s ease; }
.concept-card:hover img { transform: scale(1.035); }
.concept-card figcaption { padding: 21px 22px 24px; }
.concept-card strong, .concept-card span { display: block; }
.concept-card strong { font-size: 1.08rem; }
.concept-card span { margin-top: 4px; color: var(--muted); font-size: .84rem; }
.fine-print { margin: 24px 0 0; color: #716c63; font-size: .78rem; }

.process-section { border-top: 1px solid var(--line); }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; border: solid var(--line); border-width: 1px 0 0 1px; }
.process-list li { display: flex; gap: 20px; min-height: 174px; padding: 28px; border: solid var(--line); border-width: 0 1px 1px 0; }
.process-list li > span { color: var(--accent); font-weight: 900; }
.process-list strong { font-size: 1.05rem; }
.process-list p { margin: 7px 0 0; color: var(--muted); font-size: .88rem; }

.compare-card { position: relative; width: 100%; height: clamp(370px, 55vw, 650px); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,.3); user-select: none; }
.compare-before, .compare-after { position: absolute; inset: 0; overflow: hidden; }
.compare-before { width: 50%; z-index: 2; border-right: 2px solid #fff; }
.compare-card img { width: 100%; height: 100%; max-width: none; object-fit: cover; }
.compare-before img { width: min(1180px, calc(100vw - 40px)); }
.compare-card input { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.compare-handle { position: absolute; top: 50%; left: 50%; z-index: 3; width: 52px; height: 52px; transform: translate(-50%,-50%); display: grid; place-items: center; color: var(--ink); background: #fff; border-radius: 50%; box-shadow: 0 8px 25px rgba(0,0,0,.25); font-weight: 900; }
.compare-label { position: absolute; top: 18px; z-index: 3; padding: 7px 12px; background: rgba(15,16,22,.75); border: 1px solid rgba(255,255,255,.18); border-radius: 7px; font-size: .78rem; font-weight: 800; }
.label-before { left: 18px; }.label-after { right: 18px; }
.work-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.work-gallery figure { position: relative; margin: 0; height: 240px; overflow: hidden; border-radius: 14px; }
.work-gallery img { width: 100%; height: 100%; object-fit: cover; }
.work-gallery figcaption { position: absolute; inset: auto 12px 12px; padding: 8px 11px; background: rgba(15,16,22,.78); border-radius: 7px; font-size: .78rem; font-weight: 700; }

.text-link { color: var(--accent); font-weight: 850; }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.video-card { position: relative; padding: 0; aspect-ratio: 16 / 9; text-align: left; background: #111; border: 0; border-radius: var(--radius); cursor: pointer; overflow: hidden; }
.video-card > img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease, opacity .4s ease; }
.video-card:hover > img { transform: scale(1.04); opacity: .78; }
.play { position: absolute; inset: 50% auto auto 50%; width: 62px; height: 62px; transform: translate(-50%,-50%); display: grid; place-items: center; padding-left: 4px; color: #fff; background: var(--accent); border-radius: 50%; box-shadow: 0 12px 30px rgba(0,0,0,.3); }
.video-title { position: absolute; inset: auto 0 0; padding: 42px 20px 18px; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.82)); font-weight: 750; }
.video-card iframe { width: 100%; height: 100%; border: 0; }

.contact-section { color: #fff; background: linear-gradient(135deg, #292b38, #15161e 68%); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.contact-copy > p:not(.eyebrow):not(.contact-note) { max-width: 520px; margin: 22px 0 0; color: rgba(255,255,255,.66); }
.phone-number { display: inline-block; margin-top: 30px; font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 900; letter-spacing: -.055em; }
.email-link { display: block; width: fit-content; margin-top: 7px; color: #e9876f; font-size: 1.05rem; font-weight: 750; }
.contact-note { color: rgba(255,255,255,.47); font-size: .84rem; }
.estimate-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; padding: 34px; color: var(--ink); background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.estimate-form label { display: grid; gap: 7px; font-size: .82rem; font-weight: 800; }
.estimate-form label:nth-child(4), .form-button, .form-status { grid-column: 1 / -1; }
.estimate-form input, .estimate-form select, .estimate-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); background: #fff; border: 1px solid #d9d3c8; border-radius: 9px; outline: none; resize: vertical; }
.estimate-form input:focus, .estimate-form select:focus, .estimate-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(166,61,44,.12); }
.form-status { min-height: 23px; margin: -5px 0 0; color: var(--accent); font-size: .82rem; font-weight: 750; }
.legal-note { padding: 22px 0; color: #726e67; background: #eee9df; font-size: .78rem; }
.legal-note p { margin: 0; }

.site-footer { padding: 50px 0 96px; color: rgba(255,255,255,.55); background: #101118; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 20px 32px; align-items: center; }
.footer-inner img { width: 140px; filter: brightness(0) invert(1); }
.footer-inner p { margin: 0; font-size: .84rem; }
.footer-inner > a { color: #fff; font-size: 1.2rem; font-weight: 850; }
.footer-inner small { grid-column: 2 / -1; }
.mobile-actions { display: none; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .desktop-nav { display: none; }
  .hero { min-height: auto; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 680px; border-radius: 4px 60px 4px 4px; }
  .hero-visual img { aspect-ratio: 16 / 10; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-card { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .heading-row { grid-template-columns: 1fr; gap: 12px; }
  .work-gallery { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { gap: 45px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1180px); }
  .site-header { height: 66px; }
  .brand img { width: 130px; }
  .header-inner > .button { display: none; }
  .section { padding: 78px 0; }
  .hero { padding: 114px 0 60px; }
  .hero-grid { gap: 40px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 14vw, 4.5rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { display: grid; }
  .trust-list li { padding: 14px 8px; }
  .trust-list strong { font-size: .93rem; }
  .trust-list span { font-size: .68rem; }
  .hero-visual img { aspect-ratio: 4 / 5; }
  .intro-band-inner { display: block; }
  .intro-band strong { display: block; margin-top: 2px; font-size: 1rem; }
  .service-grid, .process-list, .video-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 240px; }
  .service-card h3 { margin-top: 35px; }
  .concept-card { display: block; }
  .concept-card img { aspect-ratio: 16 / 10; }
  .process-list { border-width: 1px 1px 0; }
  .process-list li { min-height: 132px; border-width: 0 0 1px; }
  .compare-card { height: 440px; }
  .compare-before img { width: calc(100vw - 28px); }
  .work-gallery { gap: 9px; }
  .work-gallery figure { height: 170px; }
  .estimate-form { grid-template-columns: 1fr; padding: 24px 20px; }
  .estimate-form label, .form-button, .form-status { grid-column: 1; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner small { grid-column: auto; }
  .site-footer { padding-bottom: 106px; }
  .mobile-actions { position: fixed; inset: auto 0 0; z-index: 110; display: grid; grid-template-columns: 1fr 1fr; padding: 8px; background: rgba(16,17,24,.93); backdrop-filter: blur(12px); }
  .mobile-actions a { display: grid; place-items: center; min-height: 50px; color: #fff; font-weight: 850; }
  .mobile-actions a:last-child { background: var(--accent); border-radius: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}