/**
 * Donholm, Nairobi — commercial water-selling borehole
 * Flagship case study. Industrial/investor palette: graphite + steel-blue + brass.
 */
.kisima-donholm-page {
  --dh-graphite: #0b1220;
  --dh-steel: #1e2a3a;
  --dh-brass: #c8a04a;
  --dh-brass-dark: #9d7c2f;
  --dh-cyan: #38bdf8;
  --dh-water: #0284c7;
  --dh-deep: #0c4a6e;
  --dh-sand: #f5f1e6;
  --dh-ink: #0f172a;
  --dh-muted: #475569;
  --dh-line: #e2e8f0;
  --dh-glow: rgba(56, 189, 248, 0.35);
  background: #f6f7fb;
  color: var(--dh-ink);
  padding-top: 0 !important;
}

/* ── Hero ───────────────────────────────────────── */
.dh-hero {
  position: relative;
  min-height: clamp(560px, 94vh, 920px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}

.dh-hero__bg {
  position: absolute;
  inset: 0;
  background: center / cover no-repeat;
  transform: scale(1.06);
  animation: dh-hero-zoom 20s ease-out forwards;
}

@keyframes dh-hero-zoom { to { transform: scale(1); } }

.dh-hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(11,18,32,.96) 0%, rgba(11,18,32,.78) 38%, rgba(11,18,32,.28) 68%, rgba(200,160,74,.18) 100%),
    linear-gradient(0deg, #f6f7fb 0%, rgba(246,247,251,.92) 14%, transparent 40%),
    linear-gradient(0deg, rgba(11,18,32,.55) 0%, transparent 45%);
  pointer-events: none;
}

.dh-hero__grain {
  position: absolute; inset: 0; opacity: .045; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.dh-hero__inner {
  position: relative; z-index: 2;
  width: min(1240px, 100% - 2rem);
  margin: 0 auto;
  padding: clamp(6rem, 14vh, 9rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}

.dh-hero__breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem;
  font-size: .82rem; margin-bottom: 1.25rem; opacity: .88;
}
.dh-hero__breadcrumb a { color: #93c5fd; text-decoration: none; font-weight: 500; }
.dh-hero__breadcrumb a:hover { text-decoration: underline; }

.dh-hero__badges {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem;
}
.dh-hero__badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .42rem .9rem;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.dh-hero__badge--brass {
  background: linear-gradient(135deg, #e6c170, #b88a2e);
  border-color: rgba(255, 215, 130, .55);
  color: #1c1917;
}

.dh-hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.85rem);
  font-weight: 800; line-height: 1.06;
  letter-spacing: -.03em;
  max-width: 18ch; margin-bottom: 1rem;
  text-wrap: balance;
}
.dh-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #fcd980 0%, #c8a04a 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.dh-hero__lead {
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.65; max-width: 40rem; opacity: .92; margin-bottom: 1.75rem;
}

.dh-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }

.dh-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  font-weight: 700; font-size: .95rem;
  text-decoration: none; border: none; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.dh-btn:hover { transform: translateY(-2px); }
.dh-btn--primary {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 10px 30px rgba(37,211,102,.35);
}
.dh-btn--brass {
  background: linear-gradient(135deg, #e6c170, #9d7c2f);
  color: #1c1917;
  box-shadow: 0 10px 30px rgba(200,160,74,.35);
}
.dh-btn--ghost {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
}
.dh-btn--ghost:hover { background: rgba(255,255,255,.22); }

.dh-hero__stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .65rem;
  max-width: 64rem;
}
.dh-hero__stat {
  padding: .9rem 1rem;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
}
.dh-hero__stat strong {
  display: block; font-size: clamp(1.3rem, 2.7vw, 1.7rem);
  font-weight: 800; line-height: 1.1;
  color: #fcd980;
}
.dh-hero__stat span {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; opacity: .82;
}

.dh-hero__scroll {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: .35rem;
  font-size: .7rem; text-transform: uppercase; letter-spacing: .12em;
  opacity: .65;
  animation: dh-bounce 2s ease-in-out infinite;
}
@keyframes dh-bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── Trust strip ─────────────────────────────────── */
.dh-trust {
  background: #fff; border-bottom: 1px solid var(--dh-line);
  padding: 1rem 0;
}
.dh-trust__inner {
  width: min(1240px, 100% - 2rem); margin: 0 auto;
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: clamp(1rem, 4vw, 2.5rem);
}
.dh-trust__item {
  display: flex; align-items: center; gap: .5rem;
  font-size: .88rem; font-weight: 600; color: #475569;
}
.dh-trust__item i { color: var(--dh-water); font-size: 1.1rem; }

/* ── Layout primitives ───────────────────────────── */
.dh-wrap { width: min(1240px, 100% - 2rem); margin-inline: auto; }
.dh-section { padding: clamp(3rem, 8vw, 5.5rem) 0; }
.dh-section--dark {
  background: linear-gradient(165deg, var(--dh-graphite) 0%, var(--dh-steel) 55%, var(--dh-deep) 100%);
  color: #fff;
}
.dh-section--sand {
  background: linear-gradient(180deg, #fff 0%, #fbf6e8 100%);
}
.dh-eyebrow {
  display: inline-block;
  font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--dh-water);
  margin-bottom: .65rem;
}
.dh-section--dark .dh-eyebrow { color: var(--dh-cyan); }
.dh-section--dark .dh-eyebrow.dh-eyebrow--brass { color: #fcd980; }

.dh-h2 {
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.15;
  margin-bottom: 1rem;
}
.dh-lead {
  font-size: 1.1rem; line-height: 1.7;
  color: #475569; max-width: 46rem;
}
.dh-section--dark .dh-lead { color: rgba(255,255,255,.85); }

/* ── Story / two-up ──────────────────────────────── */
.dh-story {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.dh-story__visual {
  position: relative; border-radius: 24px; overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 32px 64px rgba(15,23,42,.18);
}
.dh-story__visual img { width: 100%; height: 100%; object-fit: cover; }
.dh-story__float {
  position: absolute; bottom: 1.25rem; left: 1.25rem; right: 1.25rem;
  padding: 1rem 1.15rem; border-radius: 16px;
  background: rgba(11,18,32,.88);
  backdrop-filter: blur(12px);
  color: #fff; border: 1px solid rgba(255,255,255,.1);
}
.dh-story__float strong { display: block; font-size: 1.5rem; color: #fcd980; }
.dh-prose p { margin-bottom: 1.1rem; line-height: 1.78; color: #334155; }
.dh-prose p:last-child { margin-bottom: 0; }
.dh-prose strong { color: var(--dh-ink); }

/* ── Casing cross-section / spec comparison ──────── */
.dh-spec {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem; align-items: center;
}
.dh-spec__diagram {
  position: relative;
  border-radius: 22px;
  background: linear-gradient(160deg, #0b1220 0%, #1e293b 55%, #0c4a6e 100%);
  padding: 2rem 1.5rem;
  height: 480px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(15,23,42,.2);
}

/* Cross-section rings (concentric annular view) */
.dh-rings {
  position: relative;
  width: 240px; height: 240px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
    var(--dh-cyan) 0 22%,                 /* water column 4-5" inside pump */
    rgba(255,255,255,.0) 22% 24%,
    #f1c47e 24% 36%,                      /* 8" PVC/steel casing wall */
    rgba(255,255,255,.0) 36% 38%,
    #8b5e3c 38% 56%,                      /* gravel pack annulus */
    rgba(255,255,255,.0) 56% 58%,
    #475569 58% 82%,                      /* drilled 10" hole */
    rgba(255,255,255,.0) 82% 84%,
    transparent 84% 100%);
  box-shadow: 0 0 0 4px rgba(255,255,255,.05), 0 16px 40px rgba(0,0,0,.4);
}
.dh-rings::after {
  content: ""; position: absolute; inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 45% 38%, rgba(255,255,255,.18), transparent 45%);
  pointer-events: none;
}
.dh-rings__leg {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: .55rem;
  color: #fff; font-size: .78rem; font-weight: 600;
  white-space: nowrap;
}
.dh-rings__leg::before {
  content: ""; width: 28px; height: 2px; background: rgba(255,255,255,.5); display: inline-block;
}
.dh-rings__leg--a { top: -8px; }
.dh-rings__leg--b { top: 22%; left: 102%; transform: none; }
.dh-rings__leg--c { top: 50%; left: 102%; transform: translateY(-50%); }
.dh-rings__leg--d { top: 78%; left: 102%; transform: none; }

.dh-spec__labels {
  margin-top: 1.5rem;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem;
}
.dh-spec__chip {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  padding: .55rem .8rem;
  border-radius: 10px;
  font-size: .8rem;
  color: #e2e8f0;
}
.dh-spec__chip strong { color: #fcd980; }

.dh-spec__cards { display: grid; gap: 1rem; }
.dh-spec__card {
  background: #fff; border: 1px solid var(--dh-line);
  border-radius: 16px; padding: 1.2rem 1.3rem;
  box-shadow: 0 4px 20px rgba(15,23,42,.05);
  display: flex; gap: 1rem; align-items: flex-start;
}
.dh-spec__card .dh-spec__num {
  flex: 0 0 56px; height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fef3c7, #fcd980);
  color: #78350f;
  font-weight: 800; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
}
.dh-spec__card h3 {
  font-size: 1.05rem; font-weight: 700; margin: 0 0 .35rem;
}
.dh-spec__card p {
  font-size: .92rem; color: #475569; line-height: 1.55; margin: 0;
}

/* ── Compare table ───────────────────────────────── */
.dh-compare {
  width: 100%;
  border-collapse: separate; border-spacing: 0;
  background: #fff;
  border: 1px solid var(--dh-line);
  border-radius: 18px;
  overflow: hidden;
  font-size: .94rem;
  box-shadow: 0 12px 40px rgba(15,23,42,.07);
}
.dh-compare th, .dh-compare td {
  padding: .95rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--dh-line);
  vertical-align: top;
  color: var(--dh-ink);
}
.dh-compare tbody td { color: #334155; }
.dh-compare thead th {
  background: #0b1220; color: #fff;
  font-weight: 700; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .06em;
  border-bottom: none;
}
.dh-compare thead th.dh-compare__win {
  background: linear-gradient(135deg, #9d7c2f, #c8a04a);
  color: #1c1917;
}
.dh-compare tbody tr:last-child th, .dh-compare tbody tr:last-child td { border-bottom: none; }
.dh-compare th.dh-row-label {
  font-weight: 600; color: var(--dh-ink); background: #fbfbfd; width: 28%;
}
.dh-compare td.dh-compare__win { background: #fdf6e3; font-weight: 600; color: #4a2f00; }

/* ── Depth strip ─────────────────────────────────── */
.dh-depth {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 1.4fr;
  gap: 3rem; align-items: stretch;
}
.dh-depth__col {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(180deg,
    #fef3c7 0%,
    #d97706 12%,
    #92400e 32%,
    #1f2937 55%,
    #0c4a6e 82%,
    #082f49 100%);
  overflow: hidden;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.18), 0 24px 48px rgba(15,23,42,.18);
}
.dh-depth__col::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, rgba(255,255,255,.08), transparent 25%, transparent 75%, rgba(255,255,255,.08));
  pointer-events: none;
}
.dh-depth__tick {
  position: absolute; left: 0; right: 0;
  padding: 0 1rem;
  font-size: .78rem; font-weight: 700; color: #fff;
  display: flex; align-items: center; gap: .65rem;
  text-shadow: 0 1px 6px rgba(0,0,0,.55);
}
.dh-depth__tick::before {
  content: ""; flex: 1; height: 2px; background: rgba(255,255,255,.45);
}
.dh-depth__tick strong {
  background: rgba(255,255,255,.18); padding: .15rem .5rem;
  border-radius: 6px; color: #fff;
}
.dh-depth__tick--surface { top: 4%; }
.dh-depth__tick--clay    { top: 24%; }
.dh-depth__tick--tuff    { top: 42%; }
.dh-depth__tick--aq1     { top: 60%; }
.dh-depth__tick--aq2     { top: 80%; }
.dh-depth__tick--aq2 strong { background: var(--dh-cyan); color: #0c4a6e; }

.dh-depth__list { display: grid; gap: 1rem; }
.dh-depth__item {
  background: #fff;
  border: 1px solid var(--dh-line);
  border-radius: 14px;
  padding: 1rem 1.2rem;
  display: grid; grid-template-columns: 86px 1fr; gap: 1rem; align-items: center;
}
.dh-depth__range {
  font-weight: 800; color: #0b1220; font-size: 1rem;
  background: #fef3c7; border-radius: 10px;
  padding: .55rem .35rem; text-align: center;
  border: 1px solid #fcd980;
}
.dh-depth__item h4 { margin: 0 0 .25rem; font-size: 1rem; }
.dh-depth__item p  { margin: 0; color: #475569; font-size: .9rem; line-height: 1.5; }

/* ── Pump / yield panel ──────────────────────────── */
.dh-yield {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 3rem; align-items: center;
}
.dh-yield__bigstat {
  background: linear-gradient(135deg, #0b1220, #0c4a6e);
  color: #fff;
  border-radius: 24px;
  padding: 2.25rem 2rem;
  position: relative; overflow: hidden;
}
.dh-yield__bigstat::after {
  content: ""; position: absolute;
  right: -40px; top: -40px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--dh-glow), transparent 60%);
}
.dh-yield__bigstat strong {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 800; line-height: 1; color: #fcd980;
  display: block; margin-bottom: .35rem;
}
.dh-yield__bigstat span { display: block; opacity: .9; }
.dh-yield__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.dh-yield__cell {
  background: #fff; border: 1px solid var(--dh-line); border-radius: 14px;
  padding: 1.1rem 1.2rem;
}
.dh-yield__cell strong {
  display: block; font-size: 1.4rem; font-weight: 800; color: var(--dh-water);
}
.dh-yield__cell span { color: #475569; font-size: .85rem; }

/* ── Aquifer pressure / Nairobi context ─────────── */
.dh-context {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.dh-context__card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 1.5rem 1.6rem;
}
.dh-context__card h3 {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.1rem; margin: 0 0 .55rem; color: #fff;
}
.dh-context__card p { color: rgba(255,255,255,.82); line-height: 1.65; margin: 0; }
.dh-context__card i { color: var(--dh-cyan); font-size: 1.1rem; }

/* ── Truck loading bay ───────────────────────────── */
.dh-bay {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}
.dh-bay__visual {
  position: relative; border-radius: 24px; overflow: hidden;
  aspect-ratio: 4 / 3; box-shadow: 0 24px 48px rgba(15,23,42,.15);
}
.dh-bay__visual img { width: 100%; height: 100%; object-fit: cover; }
.dh-bay__chip {
  position: absolute; top: 1.25rem; left: 1.25rem;
  background: rgba(11,18,32,.88); color: #fff;
  padding: .45rem .85rem; border-radius: 999px;
  font-size: .78rem; font-weight: 700;
  display: flex; align-items: center; gap: .4rem;
}
.dh-bay__chip i { color: #fcd980; }
.dh-bay__metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; margin-top: 1.4rem; }
.dh-bay__metric {
  background: #fff; border: 1px solid var(--dh-line);
  border-radius: 14px; padding: 1rem 1.15rem;
}
.dh-bay__metric strong { display: block; font-size: 1.4rem; font-weight: 800; color: var(--dh-water); }
.dh-bay__metric span { color: #475569; font-size: .85rem; }

/* ── ROI / Investor model ────────────────────────── */
.dh-roi {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  margin-top: 1.5rem;
}
.dh-roi__card {
  background: #fff; border: 1px solid var(--dh-line);
  border-radius: 18px; padding: 1.4rem 1.3rem;
  position: relative; overflow: hidden;
}
.dh-roi__card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--dh-brass), var(--dh-water));
}
.dh-roi__card .dh-roi__num {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 800; color: var(--dh-ink);
  line-height: 1.1; margin-bottom: .4rem;
}
.dh-roi__card .dh-roi__num small { font-size: .55em; color: var(--dh-muted); font-weight: 600; }
.dh-roi__card h4 {
  font-size: .82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--dh-muted); margin: 0 0 .35rem;
}
.dh-roi__card p { font-size: .9rem; color: #475569; line-height: 1.55; margin: 0; }

.dh-roi-note {
  margin-top: 1.25rem;
  background: #fdf6e3;
  border: 1px dashed #c8a04a;
  border-radius: 14px;
  padding: 1rem 1.25rem;
  font-size: .9rem;
  color: #5b3e0e;
}
.dh-roi-note strong { color: #4a2f00; }

/* ── Process timeline ────────────────────────────── */
.dh-timeline {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0; position: relative; margin-top: 2.5rem;
}
.dh-timeline::before {
  content: ""; position: absolute; top: 28px; left: 10%; right: 10%;
  height: 3px; background: linear-gradient(90deg, var(--dh-water), var(--dh-cyan));
  border-radius: 3px;
}
.dh-timeline__step { text-align: center; padding: 0 .75rem; position: relative; }
.dh-timeline__dot {
  width: 56px; height: 56px; margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dh-water), var(--dh-cyan));
  color: #fff; font-weight: 800; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(2,132,199,.4);
  position: relative; z-index: 1;
}
.dh-timeline__step h4 { font-size: 1rem; font-weight: 700; margin-bottom: .35rem; }
.dh-timeline__step p { font-size: .88rem; color: #64748b; line-height: 1.5; }

/* ── Compliance band ─────────────────────────────── */
.dh-compliance {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.dh-compliance__item {
  background: #fff; border: 1px solid var(--dh-line);
  border-radius: 16px; padding: 1.25rem 1.3rem;
  display: flex; flex-direction: column; gap: .35rem;
}
.dh-compliance__item i {
  font-size: 1.45rem; color: var(--dh-water);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #e0f2fe, #f1f5f9);
  margin-bottom: .25rem;
}
.dh-compliance__item h4 { font-size: 1rem; font-weight: 700; margin: 0; }
.dh-compliance__item p  { font-size: .88rem; color: #475569; line-height: 1.55; margin: 0; }

/* ── Gallery ─────────────────────────────────────── */
.dh-gallery {
  display: grid; grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(200px, 260px);
  gap: 1rem;
}
.dh-gallery__item {
  position: relative; border-radius: 18px; overflow: hidden; cursor: pointer;
}
.dh-gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.dh-gallery__item:hover img { transform: scale(1.06); }
.dh-gallery__item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11,18,32,.7) 0%, transparent 55%);
  opacity: 0; transition: opacity .3s ease;
}
.dh-gallery__item:hover::after { opacity: 1; }
.dh-gallery__cap {
  position: absolute; bottom: 1rem; left: 1rem; right: 1rem; z-index: 1;
  color: #fff; font-size: .85rem; font-weight: 600;
  opacity: 0; transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease;
}
.dh-gallery__item:hover .dh-gallery__cap { opacity: 1; transform: translateY(0); }
.dh-gallery__item--hero { grid-column: span 7; grid-row: span 2; }
.dh-gallery__item--a { grid-column: span 5; }
.dh-gallery__item--b { grid-column: span 4; }
.dh-gallery__item--c { grid-column: span 4; }
.dh-gallery__item--d { grid-column: span 4; }
.dh-gallery__item--e { grid-column: span 6; }
.dh-gallery__item--f { grid-column: span 6; }

/* ── FAQ ─────────────────────────────────────────── */
.dh-faq { display: grid; gap: .75rem; margin-top: 2rem; }
.dh-faq__item {
  background: #fff; border: 1px solid var(--dh-line);
  border-radius: 14px; padding: 1rem 1.3rem;
}
.dh-faq__item summary {
  cursor: pointer; font-weight: 700; font-size: 1.02rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  color: var(--dh-ink);
}
.dh-faq__item summary::-webkit-details-marker { display: none; }
.dh-faq__item summary::after {
  content: "+"; color: var(--dh-water);
  font-size: 1.5rem; font-weight: 400; line-height: 1;
  transition: transform .25s ease;
}
.dh-faq__item[open] summary::after { content: "−"; }
.dh-faq__item p {
  margin: .75rem 0 0; color: #475569; line-height: 1.65;
}

/* ── Quote ───────────────────────────────────────── */
.dh-quote {
  position: relative; padding: clamp(3rem, 8vw, 5rem) 0;
  text-align: center; overflow: hidden;
}
.dh-quote__bg { position: absolute; inset: 0; background: center / cover no-repeat; opacity: .22; }
.dh-quote__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,18,32,.95), rgba(12,74,110,.92));
}
.dh-quote__inner {
  position: relative; z-index: 1;
  width: min(740px, 100% - 2rem); margin: 0 auto; color: #fff;
}
.dh-quote__mark {
  font-size: 4rem; line-height: 1; color: #fcd980; opacity: .55;
  font-family: Georgia, serif;
}
.dh-quote__text {
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500; line-height: 1.55; font-style: italic;
  margin-bottom: 1.5rem; color: inherit;
}
.dh-quote__author { font-size: .95rem; opacity: .85; color: inherit; }

/* ── CTA ─────────────────────────────────────────── */
.dh-cta {
  margin: 0 1rem clamp(2rem, 5vw, 3rem);
  padding: clamp(2.5rem, 6vw, 4rem);
  border-radius: 28px;
  background:
    radial-gradient(800px 360px at 80% 30%, rgba(252,217,128,.18), transparent 70%),
    linear-gradient(135deg, #0b1220 0%, #1d4ed8 50%, #0ea5e9 100%);
  color: #fff; text-align: center; position: relative; overflow: hidden;
}
.dh-cta h2 {
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  font-weight: 800; margin-bottom: .75rem;
}
.dh-cta p {
  opacity: .9; max-width: 38rem; margin: 0 auto 1.6rem;
}
.dh-cta__actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem;
}
.dh-cta .dh-btn--primary { padding: 1rem 1.75rem; font-size: 1rem; }

/* ── Related ─────────────────────────────────────── */
.dh-related { padding-bottom: 4rem; }
.dh-related__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
  margin-top: 1.5rem;
}
.dh-related__card {
  display: block; text-decoration: none; color: inherit;
  border-radius: 18px; overflow: hidden;
  background: #fff; border: 1px solid var(--dh-line);
  transition: transform .25s ease, box-shadow .25s ease;
}
.dh-related__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(15,23,42,.12);
}
.dh-related__card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.dh-related__body { padding: 1.15rem; }
.dh-related__tag {
  font-size: .68rem; font-weight: 700; text-transform: uppercase;
  color: var(--dh-water);
}
.dh-related__body h3 {
  font-size: 1rem; font-weight: 700; margin: .35rem 0; line-height: 1.35;
}

/* ── Reveal ──────────────────────────────────────── */
.dh-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.dh-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
  .dh-hero__stats { grid-template-columns: repeat(3, 1fr); }
  .dh-story, .dh-spec, .dh-depth, .dh-yield, .dh-bay, .dh-context { grid-template-columns: 1fr; }
  .dh-roi { grid-template-columns: repeat(2, 1fr); }
  .dh-compliance { grid-template-columns: repeat(2, 1fr); }
  .dh-timeline { grid-template-columns: 1fr; gap: 1.5rem; }
  .dh-timeline::before { display: none; }
  .dh-related__grid { grid-template-columns: 1fr; }
  .dh-spec__diagram { height: 380px; }
  .dh-rings { width: 180px; height: 180px; }
  .dh-gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(180px, 220px); }
  .dh-gallery__item--hero,
  .dh-gallery__item--a,
  .dh-gallery__item--b,
  .dh-gallery__item--c,
  .dh-gallery__item--d,
  .dh-gallery__item--e,
  .dh-gallery__item--f { grid-column: span 1; grid-row: span 1; }
  .dh-gallery__item--hero { grid-column: span 2; min-height: 240px; }
}

@media (max-width: 640px) {
  .dh-hero__stats { grid-template-columns: 1fr 1fr; }
  .dh-hero h1 { max-width: none; }
  .dh-roi { grid-template-columns: 1fr; }
  .dh-compliance { grid-template-columns: 1fr; }
  .dh-gallery { grid-template-columns: 1fr; }
  .dh-gallery__item--hero { grid-column: span 1; }
  .dh-compare { font-size: .85rem; }
  .dh-compare th, .dh-compare td { padding: .7rem .85rem; }
  .dh-rings__leg--b, .dh-rings__leg--c, .dh-rings__leg--d {
    left: 50%; transform: translateX(-50%); top: auto; position: static; justify-content: center;
  }
  .dh-rings__leg::before { display: none; }
  .dh-spec__labels { grid-template-columns: 1fr; }
}