/* ===== Design tokens ===== */
:root {
  --dp-primary: #191F28;
  --dp-primary-2: #232A36;
  --dp-primary-3: #101318;
  --dp-primary-rgb: 25,31,40;
  --dp-accent: #3182F6;
  --dp-accent-text: #1A5FD6;
  --dp-accent-soft: #7EB0FA;
  --dp-accent-pale: #E8F3FF;
  --dp-bg: #F2F4F6;
  --dp-surface: #FFFFFF;
  --text-on-light: #191F28;
  --text-on-dark: #F9FAFB;
  --dp-ink-soft: #6B7684;
  --dp-border: #E5E8EB;
  --dp-radius: 0px;
  --dp-radius-sm: 0px;
  --dp-radius-pill: 0px;
  --shadow-sm: 0 1px 2px rgba(25,31,40,.06), 0 1px 3px rgba(25,31,40,.08);
  --shadow-md: 0 4px 14px rgba(25,31,40,.08), 0 2px 4px rgba(25,31,40,.06);
  --shadow-lg: 0 20px 40px -12px rgba(25,31,40,.18), 0 8px 16px rgba(25,31,40,.08);
  --font-body: 'PretendardVariable', 'Pretendard', -apple-system, sans-serif;
  --font-head: 'Moneygraphy-Rounded', 'Pretendard', sans-serif;
  --container-w: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, p, h1, h2, h3, h4, h5, h6, li, td, th, a, span, div, button {
  word-break: keep-all;
  overflow-wrap: break-word;
}
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--dp-bg);
  color: var(--text-on-light);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
img { max-width: 100%; height: auto; display: block; }
.photo img, .card img, .hero img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ===== Scroll progress ===== */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--dp-accent); z-index: 1000; transition: width .1s linear;
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(242,244,246,.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(25,31,40,.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; gap: 24px; }
.brand-mark { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 34px; height: 34px; color: var(--dp-primary); flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 700; font-size: 1.05rem; color: var(--dp-primary); }
.brand-sub { font-size: .72rem; letter-spacing: .12em; font-variant: small-caps; color: var(--dp-ink-soft); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-header-cta { padding: 11px 22px; }

/* ===== Buttons ===== */
.btn-primary, .btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 30px; border-radius: var(--dp-radius-pill); font-weight: 700; font-size: .96rem;
  border: 1.5px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary { background: var(--dp-accent); color: #fff; box-shadow: 0 8px 20px rgba(49,130,246,.28); }
.btn-outline { border-color: rgba(255,255,255,.5); color: inherit; }
.btn-outline--dark { border-color: var(--dp-primary); color: var(--dp-primary); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(49,130,246,.36); }
  .btn-outline:hover { background: rgba(255,255,255,.12); }
  .card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(25,31,40,.12); }
  .link-card:hover .link-card__img img { transform: scale(1.06); }
}
.btn-primary:active { transform: scale(.97); }

/* ===== Layout helpers ===== */
.section { padding: 88px 0; }
.section--tight { padding: 64px 0; }
.section--dark { background: var(--dp-primary); color: var(--text-on-dark); }
.section--pale { background: var(--dp-accent-pale); }
.section--surface { background: var(--dp-surface); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: .74rem; letter-spacing: .14em; color: var(--dp-accent-text); font-weight: 800; margin-bottom: 14px; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--dp-accent); flex-shrink: 0; }
.section--dark .eyebrow::before, .cta-impact .eyebrow::before { background: var(--dp-accent-soft); }
.section-title { font-family: var(--font-head); font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.3; margin: 0 0 16px; letter-spacing: -.02em; }
.section-desc { color: var(--dp-ink-soft); font-size: 1.02rem; max-width: 640px; margin: 0 0 40px; }
.section--dark .section-desc { color: rgba(241,250,251,.78); }

.dp-g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dp-g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.dp-g6 { display: grid; grid-template-columns: repeat(6,1fr); gap: 20px; }
.dp-stat3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; text-align: center; align-items: center; }
@media (max-width: 1024px) { .dp-g3 { grid-template-columns: repeat(2,1fr); } .dp-g6 { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 768px) { .dp-g2, .dp-g3 { grid-template-columns: 1fr; } .dp-g6 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .dp-stat3 { grid-template-columns: 1fr; gap: 16px; } }

.card {
  background: var(--dp-surface); border-radius: var(--dp-radius); padding: 28px;
  border: none; box-shadow: 0 1px 2px rgba(25,31,40,.04), 0 8px 20px rgba(25,31,40,.05);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card h3 { margin: 0 0 10px; font-size: 1.08rem; }
.card--accent { background: linear-gradient(135deg, var(--dp-accent-text), var(--dp-primary)); box-shadow: var(--shadow-lg); }
.card--accent h3, .card--accent p { color: #fff; }
.card--accent .btn-primary { background: #fff; color: var(--dp-accent-text); box-shadow: none; }
@media (hover: hover) and (pointer: fine) { .card--accent .btn-primary:hover { background: var(--dp-bg); } }
.card p { margin: 0; color: var(--dp-ink-soft); font-size: .95rem; }

.card-badges { display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 768px) { .card-badges { flex-direction: column; align-items: flex-start; gap: 6px; } }
.badge { display: inline-flex; padding: 5px 14px; border-radius: var(--dp-radius-pill); background: var(--dp-accent-pale); color: var(--dp-primary-3); font-size: .8rem; font-weight: 700; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 86vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero__slides { position: absolute; inset: 0; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,19,24,.35) 0%, rgba(16,19,24,0) 28%, rgba(16,19,24,.15) 55%, rgba(16,19,24,.88) 100%); }
.hero__content { position: relative; z-index: 2; padding: 64px 24px 72px; width: 100%; color: #fff; }
.hero__eyebrow { font-size: .84rem; letter-spacing: .16em; color: var(--dp-accent-soft); font-weight: 700; margin-bottom: 18px; text-shadow: 0 2px 10px rgba(0,0,0,.35); }
.hero h1 { font-family: var(--font-head); font-size: clamp(2.6rem, 6.4vw, 4.6rem); line-height: 1.16; margin: 0 0 20px; letter-spacing: -.015em; max-width: 780px; text-shadow: 0 4px 24px rgba(0,0,0,.35); }
.hero__lead { font-size: 1.12rem; color: rgba(255,255,255,.92); margin: 0 0 32px; max-width: 560px; text-shadow: 0 2px 10px rgba(0,0,0,.3); }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__dots { position: absolute; z-index: 3; right: 28px; bottom: 28px; display: flex; gap: 8px; }
.hero__dots button { width: 8px; height: 8px; border-radius: 50%; border: none; background: rgba(255,255,255,.4); padding: 0; }
.hero__dots button.is-active { background: #fff; width: 22px; border-radius: var(--dp-radius-pill); transition: width .3s ease; }

/* ===== Big statement band ===== */
.statement-band { text-align: center; padding: 120px 0; }
.statement-band h2 {
  font-family: var(--font-head); font-size: clamp(2.1rem, 5.2vw, 3.6rem); line-height: 1.35;
  margin: 0 auto; max-width: 820px; letter-spacing: -.01em;
}
.statement-band h2 .hl { color: var(--dp-accent); }
.cta-impact h2 .hl { color: var(--dp-accent-soft); }
.statement-band p { margin: 22px auto 0; max-width: 520px; color: var(--dp-ink-soft); font-size: 1.05rem; }

/* ===== Check split (media + list) ===== */
.check-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.check-split__media { position: relative; }
.check-split__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--dp-radius); }
.check-split__stat {
  position: absolute; left: -20px; bottom: -20px; background: var(--dp-surface); border-radius: var(--dp-radius-sm);
  padding: 18px 22px; box-shadow: 0 12px 30px rgba(25,31,40,.14);
}
.check-split__stat strong { display: block; font-family: var(--font-head); font-size: 1.5rem; color: var(--dp-accent-text); }
.check-split__stat span { font-size: .8rem; color: var(--dp-ink-soft); }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; }
.check-list li { display: flex; gap: 16px; align-items: flex-start; }
.check-list .mark {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--dp-accent-pale);
  color: var(--dp-accent-text); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem;
}
.check-list h3 { margin: 0 0 4px; font-size: 1.02rem; }
.check-list p { margin: 0; font-size: .9rem; color: var(--dp-ink-soft); line-height: 1.6; }
@media (max-width: 900px) { .check-split { grid-template-columns: 1fr; } .check-split__media { order: -1; } }

/* ===== Feature strip (dark numbered band) ===== */
.feature-strip__row { display: flex; gap: 48px; flex-wrap: wrap; }
.feature-strip__item { flex: 1; min-width: 220px; }
.feature-strip__num { font-family: var(--font-head); font-size: 3.2rem; color: var(--dp-accent-soft); margin: 0 0 12px; line-height: 1; }
.feature-strip__item h3 { margin: 0 0 10px; font-size: 1.12rem; }
.feature-strip__item p { margin: 0; color: rgba(249,250,251,.72); font-size: .92rem; line-height: 1.65; }
@media (max-width: 768px) { .feature-strip__row { flex-direction: column; gap: 32px; } }

/* ===== Video split ===== */
.video-split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.video-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.video-points li { display: flex; gap: 14px; align-items: flex-start; font-size: .95rem; }
.video-points .mark {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--dp-accent-pale);
  color: var(--dp-accent-text); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .78rem; margin-top: 2px;
}
@media (max-width: 900px) { .video-split { grid-template-columns: 1fr; } }

/* ===== FAQ split ===== */
.faq-split { display: grid; grid-template-columns: .85fr 1.5fr; gap: 56px; }
.faq-split__aside p { color: var(--dp-ink-soft); font-size: .96rem; line-height: 1.7; margin-top: 12px; }
@media (max-width: 900px) { .faq-split { grid-template-columns: 1fr; } }

/* ===== Poster cards (image-led, caption overlay — SERVICE grid) ===== */
.poster-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.poster-grid--2 { grid-template-columns: repeat(2, 1fr); max-width: 640px; margin: 0 auto; }
.poster-grid--1 { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
.poster-card { position: relative; aspect-ratio: 4/3; overflow: hidden; display: block; background: var(--dp-bg); box-shadow: var(--shadow-md); }
.poster-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.poster-card__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(25,31,40,0) 42%, rgba(25,31,40,.88) 100%); }
.poster-card__tag { position: absolute; top: 18px; left: 18px; background: #fff; color: var(--dp-primary); font-size: .66rem; font-weight: 800; letter-spacing: .1em; padding: 5px 12px; text-transform: uppercase; }
.poster-card__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px; color: #fff; }
.poster-card__body h3 { margin: 0 0 6px; font-size: 1.12rem; color: #fff; }
.poster-card__body p { margin: 0; font-size: .82rem; color: rgba(255,255,255,.82); }
@media (hover: hover) and (pointer: fine) { .poster-card:hover img { transform: scale(1.06); } }
.poster-card--cta { display: flex; flex-direction: column; justify-content: center; padding: 32px; background: linear-gradient(135deg, var(--dp-accent), var(--dp-accent-text)); color: #fff; }
.poster-card--cta .p-tag { font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.75); margin-bottom: 10px; }
.poster-card--cta h3 { margin: 0 0 16px; font-size: 1.3rem; color: #fff; line-height: 1.35; }
.poster-card--cta .btn-primary { background: #fff; color: var(--dp-accent-text); align-self: flex-start; }
@media (max-width: 900px) { .poster-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .poster-grid { grid-template-columns: 1fr; } }

/* ===== Stepper (horizontal wizard — short 3-step flows) ===== */
.stepper { display: flex; align-items: flex-start; max-width: 620px; margin: 0 auto; position: relative; }
.stepper::before { content: ''; position: absolute; top: 21px; left: 12.5%; right: 12.5%; height: 2px; background: var(--dp-border); z-index: 0; }
.stepper-item { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 10px; }
.stepper-num {
  width: 44px; height: 44px; border-radius: 50%; background: var(--dp-surface); border: 2px solid var(--dp-accent);
  color: var(--dp-accent-text); display: flex; align-items: center; justify-content: center; font-weight: 800; font-family: var(--font-head);
  margin-bottom: 16px;
}
.stepper-item h3 { margin: 0 0 6px; font-size: 1rem; }
.stepper-item p { margin: 0; font-size: .82rem; color: var(--dp-ink-soft); line-height: 1.6; }
@media (max-width: 600px) {
  .stepper { flex-direction: column; align-items: stretch; max-width: 320px; }
  .stepper::before { display: none; }
  .stepper-item { flex-direction: row; text-align: left; padding: 0 0 28px; gap: 16px; }
  .stepper-item .stepper-num { margin-bottom: 0; }
}

/* ===== Info list (horizontal rows — replaces small 3-card info grids) ===== */
.info-list { display: flex; flex-direction: column; border-top: 1px solid var(--dp-border); max-width: 720px; margin: 0 auto; }
.info-row { display: flex; gap: 20px; align-items: flex-start; padding: 24px 4px; border-bottom: 1px solid var(--dp-border); }
.info-row .i-num {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--dp-accent-pale); color: var(--dp-accent-text);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem; margin-top: 2px;
}
.info-row h3 { margin: 0 0 4px; font-size: 1rem; }
.info-row p { margin: 0; font-size: .88rem; color: var(--dp-ink-soft); line-height: 1.65; }

/* ===== Flow pair (2-step, arrow-connected panels) ===== */
.flow-pair { display: flex; align-items: center; gap: 24px; }
.flow-panel { flex: 1; background: var(--dp-surface); box-shadow: var(--shadow-md); padding: 34px 30px; border-bottom: 3px solid var(--dp-accent); }
.flow-panel:last-child { border-bottom-color: var(--dp-accent-soft); }
.flow-panel .f-num { display: inline-block; font-family: var(--font-head); color: var(--dp-accent-text); font-size: .82rem; letter-spacing: .1em; margin-bottom: 10px; }
.flow-panel h3 { margin: 0 0 8px; font-size: 1.05rem; }
.flow-panel p { margin: 0; font-size: .9rem; color: var(--dp-ink-soft); line-height: 1.7; }
.flow-arrow { flex-shrink: 0; width: 26px; height: 26px; color: var(--dp-accent); }
@media (max-width: 640px) {
  .flow-pair { flex-direction: column; align-items: stretch; }
  .flow-arrow { transform: rotate(90deg); align-self: center; }
}

/* ===== Reason cards (original — elevated white cards floating on dark
   section, staggered rhythm echoing the signal-timeline motif) ===== */
.reason-grid { display: flex; gap: 28px; align-items: stretch; flex-wrap: wrap; }
.reason-card {
  flex: 1 1 260px; background: var(--dp-surface); padding: 38px 32px; box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--dp-accent);
}
.reason-card:nth-child(2) { border-top-color: var(--dp-accent-soft); }
.reason-card:nth-child(3) { border-top-color: #9FB3B9; }
.reason-card .r-icon {
  width: 52px; height: 52px; border-radius: 50%; background: var(--dp-accent-pale); color: var(--dp-accent-text);
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.reason-card .r-icon svg { width: 24px; height: 24px; }
.reason-card h3 { margin: 0 0 10px; font-size: 1.1rem; color: var(--text-on-light); }
.reason-card p { margin: 0; font-size: .92rem; color: var(--dp-ink-soft); line-height: 1.7; }
@media (max-width: 768px) { .reason-grid { flex-direction: column; } }

/* ===== Signal timeline (original — not a copy of any reference) =====
   Vertical spine with numbered pulse markers; each marker "pulses" like a
   detection signal, tying visually to 청음·가스탐지. Works identically at
   any viewport (no breakpoint-dependent connector math). */
.signal-timeline { list-style: none; margin: 48px 0 0; padding: 0; max-width: 760px; }
.signal-item { position: relative; display: flex; gap: 28px; padding-bottom: 52px; }
.signal-item:last-child { padding-bottom: 0; }
.signal-item:not(:last-child)::after {
  content: ''; position: absolute; left: 27px; top: 56px; bottom: 4px; width: 2px;
  background: repeating-linear-gradient(to bottom, var(--dp-accent-soft) 0 6px, transparent 6px 12px);
}
.signal-marker {
  position: relative; flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%;
  background: var(--dp-accent); color: #fff; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1.15rem; z-index: 1; box-shadow: 0 10px 24px rgba(49,130,246,.4);
}
.signal-marker::before {
  content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 1.5px solid var(--dp-accent-soft);
  opacity: 0; z-index: -1;
}
.signal-item.in-view .signal-marker::before { animation: signal-ping 1.8s cubic-bezier(0,0,.2,1) .1s 1; }
@keyframes signal-ping { 0% { transform: scale(.8); opacity: .7; } 100% { transform: scale(1.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .signal-item.in-view .signal-marker::before { animation: none; } }
.signal-body { flex: 1; padding-top: 6px; }
.signal-body .s-label { display: block; font-size: .68rem; font-weight: 800; letter-spacing: .14em; color: var(--dp-accent-text); text-transform: uppercase; margin-bottom: 6px; }
.signal-body h3 { margin: 0 0 8px; font-size: 1.15rem; }
.signal-body p { margin: 0; color: var(--dp-ink-soft); font-size: .92rem; line-height: 1.7; }
.section--dark .signal-body p { color: #9FB3B9; }
.section--dark .signal-item:not(:last-child)::after { background: repeating-linear-gradient(to bottom, rgba(255,255,255,.28) 0 6px, transparent 6px 12px); }

/* ===== Hairline metric row (qualitative, no fabricated numbers) ===== */
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--dp-border); border-bottom: 1px solid var(--dp-border); }
.metric-row .metric { padding: 26px 20px 26px 0; border-right: 1px solid var(--dp-border); }
.metric-row .metric:last-child { border-right: none; }
.metric-row .metric:not(:first-child) { padding-left: 20px; }
.metric-row .m-label { display: block; font-size: .68rem; font-weight: 800; letter-spacing: .14em; color: var(--dp-accent-text); text-transform: uppercase; margin-bottom: 8px; }
.metric-row .m-value { display: block; font-family: var(--font-head); font-size: clamp(1.1rem, 2vw, 1.4rem); letter-spacing: -.01em; }
@media (max-width: 640px) {
  .metric-row { grid-template-columns: 1fr; }
  .metric-row .metric { border-right: none; padding-left: 0; border-bottom: 1px solid var(--dp-border); }
  .metric-row .metric:last-child { border-bottom: none; }
}

/* ===== CTA impact band ===== */
.cta-impact { position: relative; overflow: hidden; padding: 130px 0; text-align: center; isolation: isolate; }
.cta-impact__bg { position: absolute; inset: 0; z-index: -2; }
.cta-impact__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.cta-impact__scrim { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(16,19,24,.88), rgba(16,19,24,.78) 55%, rgba(16,19,24,.92)); }
.cta-impact .eyebrow { color: var(--dp-accent-soft); }
.cta-impact h2 {
  font-family: var(--font-head); color: #fff; font-size: clamp(2.2rem, 5.4vw, 3.7rem); line-height: 1.28;
  margin: 0 auto 20px; max-width: 760px; letter-spacing: -.01em; text-shadow: 0 4px 20px rgba(0,0,0,.35);
}
.cta-impact p { color: rgba(255,255,255,.86); font-size: 1.08rem; max-width: 480px; margin: 0 auto 40px; }
.cta-impact .btn-primary {
  font-size: 1.15rem; padding: 22px 52px; box-shadow: 0 14px 36px rgba(49,130,246,.5);
  animation: cta-pulse 2.2s ease-in-out infinite;
}
@media (hover: hover) and (pointer: fine) {
  .cta-impact .btn-primary:hover { animation-play-state: paused; }
}
@keyframes cta-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 14px 36px rgba(49,130,246,.5); }
  50% { transform: scale(1.045); box-shadow: 0 18px 44px rgba(49,130,246,.65); }
}
@media (prefers-reduced-motion: reduce) { .cta-impact .btn-primary { animation: none; } }
@media (max-width: 768px) { .cta-impact { padding: 90px 0; } }
@media (max-width: 768px) {
  .proc-list { flex-direction: column; gap: 10px; }
  .proc-step { padding: 24px 0; }
  .proc-step::after { display: none; }
}

/* ===== Before/After ===== */
.ba-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ba-item { position: relative; border-radius: var(--dp-radius); overflow: hidden; }
.ba-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.ba-tag { position: absolute; top: 16px; left: 16px; padding: 6px 16px; border-radius: var(--dp-radius-pill); font-size: .78rem; font-weight: 700; background: rgba(25,31,40,.7); color: #fff; }
.ba-case { margin-bottom: 56px; }
.ba-case:last-child { margin-bottom: 0; }
.ba-case__head {
  display: flex; align-items: center; gap: 18px; margin-bottom: 22px;
  padding: 16px 22px; background: var(--dp-bg); border-left: 3px solid var(--dp-accent);
}
.ba-case__num { font-family: var(--font-head); font-size: 1.5rem; color: var(--dp-accent); flex-shrink: 0; line-height: 1; }
.ba-case__head p { margin: 0; }
.ba-case__label { display: block; font-size: .66rem; font-weight: 800; letter-spacing: .12em; color: var(--dp-accent-text); text-transform: uppercase; margin-bottom: 3px; }
.ba-case__title { font-size: 1.02rem; font-weight: 700; margin: 0; }
@media (max-width: 768px) { .ba-wrap { grid-template-columns: 1fr; } }

/* ===== Link cards (internal links) ===== */
.link-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
@media (max-width: 1024px) { .link-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .link-grid { grid-template-columns: 1fr; } }
.link-card { display: block; border-radius: var(--dp-radius); overflow: hidden; background: var(--dp-surface); border: none; box-shadow: 0 1px 2px rgba(25,31,40,.04), 0 8px 20px rgba(25,31,40,.05); transition: transform .2s ease, box-shadow .2s ease; }
.link-card__img { aspect-ratio: 4/3; overflow: hidden; }
.link-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.link-card__body { padding: 20px; }
.link-card__eyebrow { font-size: .7rem; letter-spacing: .12em; color: var(--dp-ink-soft); text-transform: uppercase; font-weight: 700; margin: 0 0 6px; }
.link-card__body h3 { margin: 0 0 6px; font-size: 1.05rem; }
.link-card__body p { margin: 0; font-size: .86rem; color: var(--dp-ink-soft); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (hover: hover) and (pointer: fine) { .link-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(25,31,40,.1); } }
.link-card--cta { display: flex; align-items: center; justify-content: center; text-align: center; background: var(--dp-primary); color: #fff; min-height: 220px; padding: 24px; }
.link-card--cta h3 { font-family: var(--font-head); font-size: 1.2rem; margin: 0 0 10px; }

/* ===== FAQ ===== */
.faq-list { border-top: 1px solid var(--dp-border); }
.faq-item { border-bottom: 1px solid var(--dp-border); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 4px; background: none; border: none; text-align: left; font-size: 1.02rem; font-weight: 700;
}
.faq-q .icon { flex-shrink: 0; margin-left: 16px; width: 22px; height: 22px; position: relative; }
.faq-q .icon::before, .faq-q .icon::after { content: ''; position: absolute; background: var(--dp-primary); border-radius: 2px; }
.faq-q .icon::before { width: 100%; height: 2px; top: 10px; left: 0; }
.faq-q .icon::after { width: 2px; height: 100%; top: 0; left: 10px; transition: transform .25s ease; }
.faq-item.is-open .faq-q .icon::after { transform: rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { margin: 0 4px 22px; color: var(--dp-ink-soft); font-size: .95rem; line-height: 1.7; }

/* ===== Stat band ===== */
.stat-band { display: flex; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; gap: 16px; }
.stat-band li { flex: 1; min-width: 160px; text-align: center; padding: 20px; border-radius: var(--dp-radius-sm); background: rgba(255,255,255,.06); }
.stat-band .k { display: block; font-size: .8rem; color: var(--dp-accent-soft); margin-bottom: 6px; font-weight: 700; }
.stat-band .v { display: block; font-family: var(--font-head); font-size: 1.15rem; }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; border-radius: var(--dp-radius-sm); border: 1px solid var(--dp-border); background: var(--dp-surface); color: var(--text-on-light); }
table.dp-table { width: 100%; border-collapse: collapse; min-width: 520px; color: inherit; }
table.dp-table th, table.dp-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--dp-border); font-size: .92rem; color: inherit; }
table.dp-table th { background: var(--dp-accent-pale); font-weight: 700; }
table.dp-table tr:last-child td { border-bottom: none; }

/* ===== Checklist ===== */
.dp-checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.dp-checklist li { display: flex; gap: 12px; padding: 16px 18px; background: var(--dp-surface); border: 1px solid var(--dp-border); border-radius: var(--dp-radius-sm); font-size: .94rem; }
.dp-checklist li::before { content: ''; flex-shrink: 0; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%; background: var(--dp-accent-pale); border: 2px solid var(--dp-accent); }

/* ===== Breadcrumb ===== */
.breadcrumb { font-size: .82rem; color: var(--dp-ink-soft); padding: 20px 0 0; }
.breadcrumb a { color: var(--dp-ink-soft); }
.breadcrumb span[aria-current] { color: var(--dp-primary); font-weight: 600; }
.breadcrumb--on-photo { color: rgba(255,255,255,.72); padding: 0 0 22px; position: relative; z-index: 2; }
.breadcrumb--on-photo a { color: rgba(255,255,255,.85); }
.breadcrumb--on-photo span[aria-current] { color: #fff; }

/* ===== Sub-page hero (single photo, no slider — tone matches main hero) ===== */
.page-hero { position: relative; min-height: 54vh; display: flex; align-items: flex-end; overflow: hidden; }
.page-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.page-hero .hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,19,24,.45) 0%, rgba(16,19,24,.1) 32%, rgba(16,19,24,.2) 55%, rgba(16,19,24,.9) 100%); }
.page-hero__content { position: relative; z-index: 2; padding: 36px 24px 56px; width: 100%; color: #fff; }
.page-hero h1 { font-family: var(--font-head); font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.2; letter-spacing: -.015em; margin: 0 0 16px; text-shadow: 0 4px 20px rgba(0,0,0,.35); }
.page-hero__lead { font-size: 1.02rem; color: rgba(255,255,255,.9); max-width: 560px; margin: 0; text-shadow: 0 2px 10px rgba(0,0,0,.3); }
@media (max-width: 768px) { .page-hero { min-height: 46vh; } }

/* ===== Single image section ===== */
.single-image { border-radius: var(--dp-radius); overflow: hidden; margin-bottom: 24px; }
.single-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.stagger.is-visible > * { opacity: 1; transform: none; }
.stagger.is-visible > *:nth-child(1) { transition-delay: .05s; }
.stagger.is-visible > *:nth-child(2) { transition-delay: .15s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: .25s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: .35s; }
.stagger.is-visible > *:nth-child(5) { transition-delay: .45s; }
.stagger.is-visible > *:nth-child(6) { transition-delay: .55s; }

@keyframes hero-drift { 0% { transform: scale(1.02) translate(0,0); } 100% { transform: scale(1.08) translate(-1%,-1%); } }
.hero__slide.is-active img { animation: hero-drift 12s ease-in-out infinite alternate; }

/* ===== Footer ===== */
.site-footer { background: var(--dp-primary-3); color: rgba(241,250,251,.82); padding: 64px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1.6fr; gap: 40px; }
.footer-brand { font-family: var(--font-head); font-size: 1.15rem; color: #fff; margin: 0 0 14px; }
.footer-biz-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: .88rem; }
.footer-col-title { font-size: .82rem; letter-spacing: .08em; color: var(--dp-accent-soft); font-weight: 700; margin: 0 0 14px; }
.footer-biz, .footer-services { min-width: 0; }
.footer-links ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .92rem; }
.footer-services-row { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: .9rem; }
.footer-meta { text-align: center; font-size: .78rem; color: rgba(241,250,251,.5); margin: 40px 0 0; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* ===== Mobile bar / floating cta ===== */
#mob-bar { display: none; }
#float-cta { display: none; }
#back-to-top {
  position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--dp-primary); color: #fff; border: none; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s ease; z-index: 500;
}
#back-to-top svg { width: 20px; height: 20px; }
#back-to-top.is-visible { opacity: 1; pointer-events: auto; }

@media (max-width: 768px) {
  .header-actions .btn-header-cta { display: none; }
  body { padding-bottom: 76px; }
  #mob-bar {
    display: flex; gap: 10px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 600;
    padding: 12px 16px; background: var(--dp-surface); box-shadow: 0 -6px 20px rgba(25,31,40,.12);
  }
  #mob-bar a { flex: 1; text-align: center; }
  #mob-bar .btn-outline { border-color: var(--dp-primary); color: var(--dp-primary); }
  .hero { min-height: 72vh; }
  #back-to-top { bottom: 88px; }
}
@media (min-width: 769px) {
  #float-cta {
    display: block; position: fixed; right: 24px; bottom: 90px; z-index: 500;
  }
  #float-cta a {
    display: flex; align-items: center; padding: 14px 24px; border-radius: var(--dp-radius-pill);
    background: var(--dp-accent); color: #fff; font-weight: 700; box-shadow: 0 10px 24px rgba(49,130,246,.35);
  }
}

/* ===== Numbered feature blocks (WHY US style) ===== */
.feat-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; }
.feat-num { font-family: var(--font-head); font-size: 2.2rem; color: var(--dp-accent); margin: 0 0 10px; }
.feat-item h3 { margin: 0 0 8px; font-size: 1.08rem; }
.feat-item p { margin: 0; color: var(--dp-ink-soft); font-size: .92rem; line-height: 1.65; }
@media (max-width: 768px) { .feat-list { grid-template-columns: 1fr; gap: 28px; } }

/* ===== Video ===== */
.video-embed { aspect-ratio: 16/9; border-radius: var(--dp-radius); overflow: hidden; background: #000; }
.video-embed iframe { width: 100%; height: 100%; border: 0; }

/* ===== Gallery bento + lightbox ===== */
.gallery-bento { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.g-item { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--dp-border); border: none; padding: 0; display: block; cursor: zoom-in; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
@media (hover: hover) and (pointer: fine) { .g-item:hover img { transform: scale(1.05); } }
@media (max-width: 720px) { .gallery-bento { grid-template-columns: repeat(2,1fr); } }
#lightbox {
  display: none; position: fixed; inset: 0; z-index: 1200; background: rgba(25,31,40,.9);
  align-items: center; justify-content: center; padding: 24px; cursor: zoom-out;
}
#lightbox.is-open { display: flex; }
#lightbox img { max-width: 100%; max-height: 100%; border-radius: var(--dp-radius-sm); object-fit: contain; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.br-mobile { display: none; }
.br-desktop { display: inline; }
@media (max-width: 768px) {
  .br-mobile { display: inline; }
  .br-desktop { display: none; }
}