/* =========================================================================
   박재홍 방수공사 — Site styles
   Built on Pulse Dashboard Design System (colors_and_type.css)
   ========================================================================= */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-app);
  color: var(--fg-1);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg {width: 25px; display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout container ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Top navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink-900);
  color: var(--fg-on-dark);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 48px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font: var(--weight-bold) 18px/1 var(--font-sans);
  letter-spacing: var(--tracking-tight);
  color: var(--paper);
}
.nav-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--paper);
  display: grid;
  place-items: center;
}
.nav-mark svg { width: 18px; height: 18px; }
.nav-brand .sub {
  font: var(--weight-medium) 12px/1 var(--font-sans);
  color: rgba(255,255,255,0.55);
  margin-left: 4px;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font: var(--weight-medium) 14px/1 var(--font-sans);
  color: rgba(255,255,255,0.65);
  letter-spacing: var(--tracking-snug);
  transition: color 120ms ease-out, background 120ms ease-out;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--paper); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--paper); background: rgba(255,255,255,0.08); }
.nav-cta {
  margin-left: 16px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink-900) !important;
  font: var(--weight-bold) 14px/1 var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-cta:hover { background: var(--ink-150) !important; }
.nav-cta-text { display: inline; }

/* Hamburger toggle (mobile only) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  margin-left: 4px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--radius-md);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle:hover { background: rgba(255,255,255,0.06); }
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--paper);
  border-radius: 1px;
  transition: transform 200ms ease, opacity 150ms ease;
}
.nav-inner.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-inner.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-inner.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (main page) ---------- */
.hero {
  position: relative;
  width: 100%;
  height: calc(100vh - 72px);
  min-height: 640px;
  max-height: 820px;
  overflow: hidden;
  background: var(--ink-900);
}
.hero-slides {
  position: absolute;
  inset: 0;
  display: flex;
  will-change: transform;
  touch-action: pan-y;
}
.hero-slide {
  flex: 0 0 100%;
  position: relative;
  height: 100%;
}
.hero-slide img,
.hero-slide svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
.hero { cursor: grab; }
.hero.is-dragging { cursor: grabbing; }
.hero.is-dragging .hero-slides { transition: none; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(15,16,20,0.45) 0%,
      rgba(15,16,20,0.05) 35%,
      rgba(15,16,20,0.15) 65%,
      rgba(15,16,20,0.70) 100%);
  pointer-events: none;
}
.hero-content {
  position: absolute;
  bottom: 50px;
  z-index: 2;
  flex-direction: column;
  justify-content: flex-end;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--paper);
  font: var(--weight-medium) 12px/1 var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: max-content;
}
.hero-eyebrow .pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--acc-pink-soft);
}
.hero-title {
  margin: 22px 0 0;
  color: var(--paper);
  font: var(--weight-bold) clamp(40px, 6.2vw, 78px) / 1.05 var(--font-sans);
  letter-spacing: -0.025em;
  max-width: 14ch;
}
.hero-title em {
  font-style: normal;
  color: var(--acc-pink-soft);
}
.hero-sub {
  margin: 22px 0 0;
  color: rgba(255,255,255,0.82);
  font: var(--weight-medium) 18px/1.5 var(--font-sans);
  letter-spacing: -0.005em;
  max-width: 52ch;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* slide controls */
.hero-controls {
  position: absolute;
  bottom: 32px;
  right: 32px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,0.85);
  font: var(--weight-medium) 13px/1 var(--font-sans);
  letter-spacing: 0.02em;
}
.hero-dots {
  display: flex; gap: 8px;
}
.hero-dot {
  width: 26px; height: 3px;
  background: rgba(255,255,255,0.25);
  border: none; padding: 0;
  border-radius: 2px;
  transition: background 200ms;
}
.hero-dot.is-active { background: var(--paper); }
.hero-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--paper);
  display: grid; place-items: center;
  transition: background 160ms;
}
.hero-arrow:hover { background: rgba(255,255,255,0.20); }
.hero-arrow svg { width: 16px; height: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font: var(--weight-bold) 15px/1 var(--font-sans);
  letter-spacing: var(--tracking-snug);
  border: 1px solid transparent;
  transition: transform 80ms ease-in, background 120ms ease-out;
}
.btn:active { transform: scale(0.985); }
.btn-primary {
  background: var(--paper);
  color: var(--ink-900);
}
.btn-primary:hover { background: var(--ink-150); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.30);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.45); }
.btn-dark {
  background: var(--ink-900);
  color: var(--paper);
}
.btn-dark:hover { background: #2e3038; }
.btn-line {
  background: var(--paper);
  color: var(--ink-900);
  border-color: var(--border-hair);
}
.btn-line:hover { background: var(--ink-50); }
.btn svg { width: 16px; height: 16px; }

/* ---------- Section frame ---------- */
section.block { padding: 96px 0; }
section.block.tight { padding: 64px 0; }
.block-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: var(--weight-medium) 12px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--fg-3);
}
.block-title {
  font: var(--weight-bold) clamp(32px, 4vw, 48px) / 1.15 var(--font-sans);
  letter-spacing: -0.022em;
  color: var(--fg-1);
  margin: 12px 0 0;
  max-width: 22ch;
}
.block-title em {
  font-style: normal;
  color: var(--acc-purple);
}
.block-sub {
  font: var(--weight-medium) 16px/1.55 var(--font-sans);
  color: var(--fg-2);
  max-width: 48ch;
  margin: 0;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  padding: 30px;
}
.card.dark {
  background: var(--bg-card-dark);
  color: var(--fg-on-dark);
  border-color: var(--ink-900);
}
.card.plate-lavender { background: var(--acc-purple-bg); border-color: transparent; }
.card.plate-peach    { background: var(--acc-peach-bg); border-color: transparent; }
.card-title {
  font: var(--weight-bold) 22px/1.25 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--fg-1);
  margin: 0;
}
.card.dark .card-title { color: var(--paper); }
.card-body {
  font: var(--weight-medium) 15px/1.6 var(--font-sans);
  color: var(--fg-2);
  margin: 12px 0 0;
}
.card.dark .card-body { color: rgba(255,255,255,0.72); }

/* ---------- KPI strip (extracted from Pulse) ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.kpi {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  padding: 24px;
}
.kpi-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.kpi-halo {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ink-900);
}
.kpi-halo.pink   { background: rgba(234,121,186,0.10); color: var(--acc-pink); }
.kpi-halo.blue   { background: rgba(109,172,231,0.15); color: var(--acc-blue); }
.kpi-halo.purple { background: rgba(170,122,235,0.10); color: var(--acc-purple); }
.kpi-halo.ink    { background: var(--ink-150); color: var(--ink-900); }
.kpi-halo svg { width: 18px; height: 18px; }
.kpi-label {
  font: var(--weight-medium) 14px/1 var(--font-sans);
  color: var(--fg-2);
  letter-spacing: -0.01em;
}
.kpi-value {
  font: var(--weight-bold) 30px/1 var(--font-sans);
  letter-spacing: -0.022em;
}
.kpi-foot {
  margin-top: 12px;
  font: var(--weight-medium) 13px/1 var(--font-sans);
  color: var(--fg-3);
}

/* ---------- Numbered list (Pulse style) ---------- */
.steps {
  display: grid;
  gap: 14px;
  margin: 0; padding: 0; list-style: none;
}
.steps li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-hair);
}
.steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.steps .num {
  font: var(--weight-bold) 14px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.steps .body strong {
  font: var(--weight-bold) 16px/1.3 var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.01em;
}
.steps .body p {
  margin: 4px 0 0;
  font: var(--weight-medium) 14px/1.5 var(--font-sans);
  color: var(--fg-2);
}

/* ---------- Process timeline (vertical) ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  background: var(--paper);
  overflow: hidden;
}
.process-step {
  padding: 28px 26px;
  border-right: 1px solid var(--border-hair);
}
.process-step:last-child { border-right: 0; }
.process-step .n {
  font: var(--weight-bold) 12px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.10em;
}
.process-step h4 {
  margin: 12px 0 6px;
  font: var(--weight-bold) 18px/1.2 var(--font-sans);
  letter-spacing: -0.015em;
}
.process-step p {
  margin: 0;
  font: var(--weight-medium) 13px/1.5 var(--font-sans);
  color: var(--fg-2);
}

/* ---------- Case grid ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 160ms ease-out, box-shadow 160ms ease-out;
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.case-thumb {
  aspect-ratio: 4 / 3;
  position: relative;
  background: var(--ink-150);
  overflow: hidden;
}
.case-thumb svg { width: 100%; height: 100%; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-thumb .tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 6px 12px;
  background: rgba(33,34,39,0.85);
  color: var(--paper);
  border-radius: 999px;
  font: var(--weight-bold) 11px/1 var(--font-sans);
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}
.case-body { padding: 22px 24px 24px; }
.case-meta {
  display: flex; align-items: center; gap: 8px;
  font: var(--weight-medium) 12px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.case-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--fg-3); }
.case-card h3 {
  margin: 10px 0 8px;
  font: var(--weight-bold) 18px/1.35 var(--font-sans);
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.case-card .summary {
  margin: 0;
  font: var(--weight-medium) 14px/1.55 var(--font-sans);
  color: var(--fg-2);
}
.case-card .chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 14px;
}
.chip {
  padding: 5px 10px;
  background: var(--ink-150);
  color: var(--ink-900);
  border-radius: 999px;
  font: var(--weight-semibold) 11px/1 var(--font-sans);
  letter-spacing: -0.005em;
}
.chip.pink   { background: var(--acc-pink-soft); color: #8a1d5e; }
.chip.blue   { background: var(--acc-blue-soft); color: #1a4d6e; }
.chip.purple { background: var(--acc-purple-bg); color: #4a2989; }

/* ---------- Two-column intro block ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- Quote form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font: var(--weight-semibold) 13px/1 var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.field label .req { color: var(--danger); margin-left: 3px; }
.field .hint {
  font: var(--weight-medium) 12px/1.45 var(--font-sans);
  color: var(--fg-3);
}
.input, .select, .textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-md);
  font: var(--weight-medium) 15px/1.2 var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.01em;
  outline: none;
  transition: border-color 120ms;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--ink-900);
}
.input::placeholder, .textarea::placeholder { color: var(--fg-placeholder); }
.textarea { resize: vertical; min-height: 130px; }

/* radio / checkbox group */
.radio-group {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.radio {
  position: relative;
}
.radio input { position: absolute; opacity: 0; }
.radio span {
  display: inline-block;
  padding: 10px 16px;
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-md);
  font: var(--weight-semibold) 13px/1 var(--font-sans);
  color: var(--fg-2);
  transition: all 120ms;
  cursor: pointer;
}
.radio input:checked + span {
  background: var(--ink-900);
  color: var(--paper);
  border-color: var(--ink-900);
}

/* file dropzone */
.dropzone {
  border: 1.5px dashed var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--ink-50);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--fg-2);
}
.dropzone .icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--border-hair);
  display: grid; place-items: center;
}
.dropzone .icon svg { width: 20px; height: 20px; color: var(--fg-2); }
.dropzone .t {
  font: var(--weight-bold) 14px/1.3 var(--font-sans);
  color: var(--fg-1);
}
.dropzone .s {
  font: var(--weight-medium) 12px/1.4 var(--font-sans);
  color: var(--fg-3);
  margin-top: 4px;
}

/* ---------- Callout ---------- */
.callout {
  background: var(--ink-50);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.callout .lbl {
  flex: none;
  padding: 4px 10px;
  background: var(--ink-900);
  color: var(--paper);
  border-radius: 999px;
  font: var(--weight-bold) 11px/1.4 var(--font-sans);
  letter-spacing: 0.04em;
}
.callout p {
  margin: 0;
  font: var(--weight-medium) 14px/1.55 var(--font-sans);
  color: var(--fg-2);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink-900);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 36px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer h5 {
  font: var(--weight-bold) 13px/1 var(--font-sans);
  color: var(--paper);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 18px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer ul a {
  font: var(--weight-medium) 14px/1 var(--font-sans);
  color: rgba(255,255,255,0.55);
  letter-spacing: -0.005em;
}
.footer ul a:hover { color: var(--paper); }
.footer-brand .name {
  font: var(--weight-bold) 22px/1 var(--font-sans);
  color: var(--paper);
  letter-spacing: -0.02em;
}
.footer-brand p {
  margin: 14px 0 0;
  font: var(--weight-medium) 13px/1.6 var(--font-sans);
  color: rgba(255,255,255,0.55);
  max-width: 36ch;
}
.footer-legal {
  display: flex;
  justify-content: space-between;
  padding-top: 28px;
  font: var(--weight-medium) 12px/1.4 var(--font-sans);
  color: rgba(255,255,255,0.40);
  letter-spacing: -0.005em;
}

/* ---------- Sub-page hero (cases / quote) ---------- */
.subhero {
  background: var(--ink-900);
  color: var(--paper);
  padding: 64px 0 80px;
  position: relative;
  overflow: hidden;
}
.subhero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 60%;
  height: 160%;
  background: radial-gradient(ellipse at center,
    rgba(170,122,235,0.25) 0%,
    rgba(170,122,235,0) 60%);
  pointer-events: none;
}
.subhero .crumb {
  font: var(--weight-medium) 12px/1 var(--font-sans);
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.subhero h1 {
  margin: 18px 0 16px;
  font: var(--weight-bold) clamp(36px, 5vw, 60px) / 1.1 var(--font-sans);
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 20ch;
}
.subhero h1 em {
  font-style: normal;
  color: var(--acc-pink-soft);
}
.subhero p {
  font: var(--weight-medium) 17px/1.55 var(--font-sans);
  color: rgba(255,255,255,0.75);
  max-width: 56ch;
  margin: 0;
}

/* ---------- Filter tabs (cases) ---------- */
.tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--bg-tab);
  border-radius: var(--radius-md);
  width: max-content;
}
.tabs button {
  padding: 9px 16px;
  border: 0;
  background: transparent;
  border-radius: 7px;
  font: var(--weight-semibold) 13px/1 var(--font-sans);
  color: var(--fg-2);
  letter-spacing: -0.005em;
  transition: all 120ms ease-out;
}
.tabs button.is-active {
  background: var(--paper);
  color: var(--ink-900);
  box-shadow: 0 1px 2px rgba(33,34,39,0.06);
}

/* ---------- Misc ---------- */
.row { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.divider {
  height: 1px; background: var(--border-hair); margin: 24px 0;
}

/* Up/down delta triangles */
.delta {
  display: inline-flex; align-items: center; gap: 4px;
  font: var(--weight-bold) 13px/1 var(--font-sans);
}
.delta.up { color: var(--success); }
.delta.down { color: var(--danger); }
.delta svg { width: 9px; height: 9px; }

/* =========================================================================
   Case detail page
   ========================================================================= */

/* Detail hero — large project image + meta overlay */
.case-hero {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  padding: 28px 0 0;
}
.case-hero .crumb {
  font: var(--weight-medium) 12px/1 var(--font-sans);
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.case-hero .crumb a { color: rgba(255,255,255,0.75); }
.case-hero .crumb a:hover { color: var(--paper); }
.case-hero .tag-row {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.case-hero .tag {
  padding: 6px 12px;
  background: rgba(170,122,235,0.18);
  color: var(--acc-pink-soft);
  border-radius: 999px;
  font: var(--weight-bold) 11px/1 var(--font-sans);
  letter-spacing: 0.04em;
}
.case-hero h1 {
  margin: 0 0 18px;
  font: var(--weight-bold) clamp(34px, 4.5vw, 52px) / 1.12 var(--font-sans);
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 22ch;
}
.case-hero h1 em {
  font-style: normal;
  color: var(--acc-pink-soft);
}
.case-hero .lead {
  font: var(--weight-medium) 17px/1.6 var(--font-sans);
  color: rgba(255,255,255,0.78);
  max-width: 60ch;
  margin: 0 0 36px;
}
.case-hero .hero-img {
  margin-top: 14px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  background: var(--ink-150);
  aspect-ratio: 16 / 7;
  position: relative;
}
.case-hero .hero-img svg { width: 100%; height: 100%; }
.case-hero .hero-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Summary fact card — 6 fields */
.case-summary {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  margin-top: -1px; /* sit flush under hero image */
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}
.case-summary .item {
  display: flex; flex-direction: column; gap: 8px;
}
.case-summary .lbl {
  font: var(--weight-bold) 11px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.case-summary .val {
  font: var(--weight-bold) 16px/1.3 var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.01em;
}

/* Section heading inside detail page */
.detail-section { padding: 72px 0; }
.detail-section.tight { padding: 56px 0; }
.detail-section.paper { background: var(--paper); border-top: 1px solid var(--border-hair); border-bottom: 1px solid var(--border-hair); }
.section-head {
  margin-bottom: 36px;
}
.section-head .num {
  font: var(--weight-bold) 12px/1 var(--font-sans);
  color: var(--acc-purple);
  letter-spacing: 0.10em;
}
.section-head h2 {
  margin: 12px 0 0;
  font: var(--weight-bold) clamp(28px, 3.2vw, 38px) / 1.18 var(--font-sans);
  letter-spacing: -0.022em;
}
.section-head p {
  margin: 14px 0 0;
  font: var(--weight-medium) 16px/1.6 var(--font-sans);
  color: var(--fg-2);
  max-width: 60ch;
}

/* Customer quote block */
.quote-block {
  border-left: 3px solid var(--acc-purple);
  padding: 12px 0 12px 28px;
  font: var(--weight-medium) 19px/1.55 var(--font-sans);
  color: var(--fg-1);
  letter-spacing: -0.01em;
  max-width: 56ch;
}
.quote-block .who {
  display: block;
  margin-top: 12px;
  font: var(--weight-medium) 13px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.02em;
}

/* Diagnosis cards — 4 issues */
.diag-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.diag-card {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.diag-card .ix {
  flex: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(234,121,186,0.10);
  color: var(--acc-pink);
  display: grid; place-items: center;
  font: var(--weight-bold) 14px/1 var(--font-sans);
}
.diag-card h4 {
  margin: 0;
  font: var(--weight-bold) 15px/1.25 var(--font-sans);
  letter-spacing: -0.01em;
}
.diag-card p {
  margin: 6px 0 0;
  font: var(--weight-medium) 13.5px/1.55 var(--font-sans);
  color: var(--fg-2);
}

/* Construction step gallery — 8 photo cards */
.step-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.step-card .thumb {
  aspect-ratio: 4 / 3;
  background: var(--ink-150);
}
.step-card .thumb svg { width: 100%; height: 100%; }
.step-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.step-card .meta {
  padding: 16px 18px 18px;
}
.step-card .step {
  font: var(--weight-bold) 11px/1 var(--font-sans);
  color: var(--acc-purple);
  letter-spacing: 0.08em;
}
.step-card h5 {
  margin: 8px 0 4px;
  font: var(--weight-bold) 15px/1.3 var(--font-sans);
  letter-spacing: -0.01em;
}
.step-card p {
  margin: 0;
  font: var(--weight-medium) 12.5px/1.5 var(--font-sans);
  color: var(--fg-2);
}

/* Before / After comparison */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.compare-pane {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.compare-pane .thumb {
  aspect-ratio: 16 / 11;
  background: var(--ink-150);
  position: relative;
}
.compare-pane .thumb svg { width: 100%; height: 100%; }
.compare-pane .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.compare-pane .ribbon {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  font: var(--weight-bold) 11px/1 var(--font-sans);
  letter-spacing: 0.06em;
  backdrop-filter: blur(4px);
}
.compare-pane .ribbon.before {
  background: rgba(33,34,39,0.88);
  color: var(--paper);
}
.compare-pane .ribbon.after {
  background: var(--acc-pink-soft);
  color: #8a1d5e;
}
.compare-pane .cap {
  padding: 18px 22px 20px;
  font: var(--weight-medium) 14px/1.55 var(--font-sans);
  color: var(--fg-2);
}
.compare-pane .cap strong {
  display: block;
  margin-bottom: 4px;
  font: var(--weight-bold) 15px/1.3 var(--font-sans);
  color: var(--fg-1);
}

/* Materials + cost two-up */
.mat-cost {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
}
.mat-list {
  background: var(--paper);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
}
.mat-list h4 {
  margin: 0 0 18px;
  font: var(--weight-bold) 16px/1 var(--font-sans);
  letter-spacing: -0.01em;
}
.mat-list table {
  width: 100%;
  border-collapse: collapse;
}
.mat-list th, .mat-list td {
  text-align: left;
  padding: 12px 0;
  font: var(--weight-medium) 14px/1.4 var(--font-sans);
  color: var(--fg-2);
  border-bottom: 1px solid var(--border-hair);
}
.mat-list th {
  font: var(--weight-bold) 12px/1 var(--font-sans);
  color: var(--fg-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mat-list tr:last-child td { border-bottom: 0; }
.mat-list td strong {
  font: var(--weight-bold) 14px/1.4 var(--font-sans);
  color: var(--fg-1);
}

/* Related cases — smaller cards */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Narrow detail container option */
.container.narrow {
  max-width: 1100px;
}

/* =========================================================================
   Responsive — Tablet & Mobile
   ========================================================================= */

/* Tablet — up to 1024px */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }

  .nav-inner { gap: 20px; }
  .nav-links { gap: 1px; }
  .nav-links a { padding: 10px 10px; font-size: 13px; }

  .three-col { grid-template-columns: 1fr 1fr; }
  .three-col > *:nth-child(3) { grid-column: 1 / -1; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr 1fr; }
  .process-step { border-right: 0; border-bottom: 1px solid var(--border-hair); }
  .process-step:nth-child(odd) { border-right: 1px solid var(--border-hair); }
  .process-step:nth-last-child(-n+2) { border-bottom: 0; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .step-gallery { grid-template-columns: repeat(2, 1fr); }
  .case-summary { grid-template-columns: repeat(3, 1fr); }

  .step-row { grid-template-columns: repeat(2, 1fr) !important; }

  .hero-title { font-size: clamp(40px, 5.5vw, 60px); }
}

/* Mobile — up to 768px */
@media (max-width: 768px) {
  .container { padding: 0 20px; }

  /* ===== Nav: hamburger mode ===== */
  /* Order: [hamburger] [brand-centered] [phone] */
  .nav-inner {
    height: 64px;
    gap: 8px;
    position: relative;
  }
  .nav-toggle {
    display: inline-flex;
    order: 1;
    margin-left: 0;
    flex: none;
  }
  .nav-brand {
    order: 2;
    flex: 1;
    min-width: 0;
    justify-content: center;
    font-size: 16px;
  }
  .nav-brand .sub { display: none; }
  .nav-cta {
    order: 3;
    padding: 0;
    width: 44px;
    height: 44px;
    justify-content: center;
    margin-left: 0;
    gap: 0;
    flex: none;
  }
  .nav-cta-text { display: none; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--ink-900);
    padding: 14px 20px 24px;
    gap: 2px;
    margin-left: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 14px 24px rgba(0,0,0,0.35);
    z-index: 49;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 200ms ease, opacity 200ms ease;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-inner.is-open .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    padding: 14px 16px;
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    border-radius: var(--radius-md);
  }
  .nav-links a.active {
    background: rgba(255,255,255,0.10);
    color: var(--paper);
  }

  /* ===== Hero ===== */
  .hero { min-height: 480px; max-height: none; }
  .hero-content { padding-bottom: 56px; }
  .hero-title {
    font-size: clamp(34px, 9vw, 46px);
    margin-top: 18px;
    max-width: none;
  }
  .hero-sub { font-size: 15px; margin-top: 16px; }
  .hero-actions { margin-top: 26px; gap: 10px; }
  .btn { padding: 12px 18px; font-size: 14px; }
  .hero-controls { right: 16px; bottom: 16px; gap: 8px; }
  .hero-arrow { width: 36px; height: 36px; }

  /* ===== Subhero ===== */
  .subhero { padding: 40px 0 56px; }
  .subhero h1 { font-size: clamp(28px, 7vw, 38px); max-width: none; }
  .subhero p { font-size: 15px; }

  /* ===== Section spacing ===== */
  section.block { padding: 56px 0; }
  section.block.tight { padding: 40px 0; }
  .detail-section { padding: 48px 0; }
  .detail-section.tight { padding: 36px 0; }

  .block-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
  }
  .block-title { font-size: clamp(24px, 6vw, 30px); max-width: none; }
  .section-head h2 { font-size: clamp(22px, 5.5vw, 28px); }

  /* ===== Grids → single column ===== */
  .three-col,
  .two-col,
  .case-grid,
  .related-grid,
  .kpi-row,
  .footer-grid,
  .process,
  .form-grid,
  .case-summary,
  .step-gallery,
  .compare,
  .mat-cost,
  .diag-grid,
  .step-row {
    grid-template-columns: 1fr !important;
  }

  /* Reset process border tweaks for single-column mobile */
  .process { border-radius: var(--radius-xl); }
  .process-step {
    border-right: 0 !important;
    border-bottom: 1px solid var(--border-hair);
  }
  .process-step:last-child { border-bottom: 0; }

  /* Footer */
  .footer { padding: 48px 0 28px; margin-top: 56px; }
  .footer-grid { gap: 28px; padding-bottom: 32px; }
  .footer-legal {
    flex-direction: column;
    gap: 8px;
    padding-top: 22px;
  }

  /* Cards & padding */
  .card { padding: 24px; }

  /* ===== Case detail ===== */
  .case-hero { padding-top: 22px; }
  .case-hero h1 { font-size: clamp(26px, 7vw, 36px); }
  .case-hero .lead { font-size: 15px; }
  .case-hero .hero-img { aspect-ratio: 4 / 3; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }

  .case-summary {
    grid-template-columns: repeat(2, 1fr) !important;
    padding: 22px;
    gap: 18px;
  }
  .case-summary .val { font-size: 15px; }

  .quote-block { font-size: 16px; padding-left: 20px; }

  .compare-pane .thumb { aspect-ratio: 4 / 3; }

  .mat-list { padding: 22px 18px; }
  .mat-list table { font-size: 13px; }
  .mat-list th, .mat-list td { padding: 10px 0; }

  /* ===== Filter tabs — horizontally scrollable ===== */
  .tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs button { flex: none; white-space: nowrap; }

  /* ===== Callouts (dark CTA) ===== */
  .callout {
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
  }

  /* ===== Quote page split layout ===== */
  .quote-layout { grid-template-columns: 1fr !important; gap: 24px !important; }
}

/* Small phone — up to 420px */
@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .hero-controls .hero-arrow { display: none; }
  #hero-counter { display: none; }
  .case-summary { grid-template-columns: 1fr !important; gap: 14px; padding: 20px; }
  .nav-inner { gap: 6px; }
  .nav-cta { width: 40px; height: 40px; }
  .nav-toggle { width: 40px; height: 40px; }
  .nav-brand { font-size: 15px; }
  .nav-brand .nav-mark { width: 26px; height: 26px; }
  .nav-brand .nav-mark svg { width: 16px; height: 16px; }
}