/* MSCOMPLIANCE LTD — water-utility deep navy / electric blue / teal.
   12px corners, stat-tile hero, wave-decoration SVG, DM Sans + Roboto Mono.
   Distinct from WALOU (cyan + IBM Plex + 4px slab + blueprint grid)
   and MARINES (orange + Inter + 16px glass + drawer nav). */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Roboto+Mono:wght@400;500;600&display=swap');

:root {
  --msc-bg:           #0D1B2A;
  --msc-bg-2:         #112338;
  --msc-surface:      #1B263B;
  --msc-surface-2:    #21304a;
  --msc-line:         rgba(148, 163, 184, 0.16);
  --msc-line-strong:  rgba(148, 163, 184, 0.30);

  --msc-primary:      #3B82F6;
  --msc-primary-soft: #60A5FA;
  --msc-primary-deep: #1E40AF;
  --msc-accent:       #14B8A6;
  --msc-accent-soft:  #2DD4BF;

  --msc-text:         #E2E8F0;
  --msc-text-strong:  #F8FAFC;
  --msc-muted:        #94A3B8;
  --msc-muted-2:      #64748B;

  --msc-warn:         #F59E0B;
  --msc-ok:           #22C55E;
  --msc-bad:          #EF4444;

  --msc-sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --msc-mono: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --msc-r-sm: 6px;
  --msc-r-md: 12px;
  --msc-r-lg: 18px;

  --msc-pad: clamp(16px, 3vw, 32px);
  --msc-pad-y: clamp(48px, 7vw, 96px);

  --msc-shadow:        0 14px 38px rgba(2, 6, 23, 0.45);
  --msc-shadow-soft:   0 4px 14px rgba(2, 6, 23, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--msc-bg); color: var(--msc-text); }
body { font-family: var(--msc-sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }

h1, h2, h3 { color: var(--msc-text-strong); font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 14px; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin: 0 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 10px; }
p  { margin: 0 0 12px; color: var(--msc-text); }
a  { color: var(--msc-primary-soft); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--msc-accent-soft); text-decoration: underline; }
::selection { background: var(--msc-primary); color: var(--msc-text-strong); }

.msc-skip {
  position: absolute; left: -9999px; top: auto;
  background: var(--msc-primary); color: #fff; padding: 8px 14px; border-radius: var(--msc-r-sm); z-index: 200;
}
.msc-skip:focus { left: 16px; top: 16px; }

/* ===== TOP BAR ===== */
.msc-topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--msc-line);
}
.msc-topbar__wrap {
  display: flex; align-items: center; gap: 18px;
  max-width: 1240px; margin: 0 auto; padding: 12px var(--msc-pad);
}
.msc-brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--msc-text-strong); text-decoration: none;
}
.msc-brand__mark { display: inline-flex; }
.msc-brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.msc-brand__name { font-weight: 700; letter-spacing: -0.01em; }
.msc-brand__sub  { font-family: var(--msc-mono); font-size: 0.66rem; color: var(--msc-muted); letter-spacing: 0.08em; text-transform: uppercase; }

.msc-nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.msc-nav a {
  font-family: var(--msc-mono); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 6px 10px; border-radius: var(--msc-r-sm);
  color: var(--msc-muted);
}
.msc-nav a:hover { color: var(--msc-text-strong); background: var(--msc-surface); text-decoration: none; }

/* ===== HERO ===== */
.msc-hero {
  position: relative; overflow: hidden;
  padding: calc(var(--msc-pad-y) + 8px) var(--msc-pad);
  background: linear-gradient(180deg, var(--msc-bg-2) 0%, var(--msc-bg) 80%);
  border-bottom: 1px solid var(--msc-line);
}
.msc-hero__bg { position: absolute; inset: 0; pointer-events: none; }
.msc-hero__wave { position: absolute; bottom: 0; left: 0; width: 100%; height: 70%; }
.msc-hero__inner {
  position: relative; max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: center;
}
.msc-hero__copy { max-width: 640px; }
.msc-eyebrow {
  display: inline-block; font-family: var(--msc-mono);
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--msc-accent-soft);
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.25);
  padding: 5px 10px; border-radius: 4px; margin-bottom: 18px;
}
.msc-hero__title { color: var(--msc-text-strong); }
.msc-hero__lede  { color: var(--msc-text); font-size: 1.05rem; max-width: 580px; margin-bottom: 22px; }
.msc-hero__cta   { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.msc-hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  padding: 0; margin: 0; list-style: none;
}
.msc-hero__stats li {
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 12px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.msc-hero__stats strong {
  font-family: var(--msc-mono);
  color: var(--msc-primary-soft);
  font-size: 1.1rem;
}
.msc-hero__stats span {
  font-family: var(--msc-mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--msc-muted); text-transform: uppercase;
}

.msc-hero__card {
  background: linear-gradient(160deg, var(--msc-surface) 0%, var(--msc-surface-2) 100%);
  border: 1px solid var(--msc-line-strong);
  border-radius: var(--msc-r-lg);
  padding: 22px;
  box-shadow: var(--msc-shadow);
}
.msc-hero__card h2 { color: var(--msc-primary-soft); font-size: 0.85rem; font-family: var(--msc-mono); letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 14px; }

/* ===== BUTTONS ===== */
.msc-btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--msc-sans); font-weight: 600; font-size: 0.95rem;
  padding: 10px 18px; border-radius: var(--msc-r-md);
  border: 1px solid transparent; cursor: pointer; transition: all 0.15s;
  text-decoration: none;
}
.msc-btn--primary {
  background: var(--msc-primary); color: #ffffff; border-color: var(--msc-primary);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.35);
}
.msc-btn--primary:hover { background: var(--msc-primary-soft); border-color: var(--msc-primary-soft); }
.msc-btn--ghost {
  background: transparent; color: var(--msc-text-strong);
  border-color: var(--msc-line-strong);
}
.msc-btn--ghost:hover { border-color: var(--msc-primary); color: var(--msc-primary-soft); }

/* ===== SECTIONS ===== */
.msc-section {
  max-width: 1240px; margin: 0 auto;
  padding: var(--msc-pad-y) var(--msc-pad);
  border-bottom: 1px solid var(--msc-line);
}
.msc-section__head { max-width: 760px; margin-bottom: 28px; }
.msc-section__num {
  display: inline-block; font-family: var(--msc-mono); font-size: 0.72rem;
  color: var(--msc-accent-soft); letter-spacing: 0.14em; margin-bottom: 6px;
}
.msc-section__head p { color: var(--msc-muted); font-size: 0.98rem; }

/* ===== CARDS ===== */
.msc-cards {
  display: grid; gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}
.msc-cards--6 { grid-template-columns: repeat(3, 1fr); }
.msc-card {
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 18px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.15s, transform 0.15s;
}
.msc-card:hover { border-color: var(--msc-primary); transform: translateY(-2px); }
.msc-card__chip {
  display: inline-block; align-self: flex-start;
  font-family: var(--msc-mono); font-size: 0.7rem; letter-spacing: 0.08em;
  color: var(--msc-primary-soft);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.30);
  padding: 2px 8px; border-radius: 4px;
}
.msc-card p { color: var(--msc-muted); font-size: 0.92rem; margin: 0; }

/* ===== TOOL PANELS ===== */
.msc-tool__panel {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px;
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-lg);
  padding: 22px;
}
.msc-tool__panel--three { grid-template-columns: repeat(3, 1fr); gap: 22px; }
.msc-tool__controls { display: flex; flex-direction: column; gap: 12px; }
.msc-tool__fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.msc-tool__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.msc-tool__actions--center { justify-content: center; }
.msc-tool__readout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  align-self: start;
  background: var(--msc-bg-2);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 14px;
}
.msc-tool__list { grid-column: 1 / -1; margin-top: 6px; }
.msc-tool__list--full { grid-column: 1 / -1; }
.msc-tool__rows {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
  max-height: 240px; overflow: auto;
}
.msc-tool__rows li {
  background: var(--msc-bg-2);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-sm);
  padding: 10px 12px;
  font-family: var(--msc-mono); font-size: 0.85rem;
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  flex-wrap: wrap;
}
.msc-tool__rows li .msc-row__del {
  background: transparent; color: var(--msc-bad); border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 4px; cursor: pointer; padding: 2px 8px; font-family: var(--msc-mono); font-size: 0.72rem;
}
.msc-tool__rows li .msc-row__del:hover { background: rgba(239, 68, 68, 0.12); }

/* ===== FIELDS ===== */
.msc-field { display: flex; flex-direction: column; gap: 5px; }
.msc-field span {
  font-family: var(--msc-mono); font-size: 0.72rem;
  color: var(--msc-muted); letter-spacing: 0.05em; text-transform: uppercase;
}
.msc-field input, .msc-field select {
  background: var(--msc-bg-2);
  border: 1px solid var(--msc-line-strong);
  border-radius: var(--msc-r-sm);
  color: var(--msc-text-strong);
  padding: 9px 11px;
  font-family: var(--msc-sans);
  font-size: 0.95rem;
}
.msc-field input:focus, .msc-field select:focus {
  outline: none; border-color: var(--msc-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}
.msc-field--wide { grid-column: 1 / -1; }

/* ===== STATS ===== */
.msc-stat { display: flex; flex-direction: column; gap: 4px; padding: 8px 10px; background: var(--msc-surface); border-radius: var(--msc-r-sm); }
.msc-stat span { font-family: var(--msc-mono); font-size: 0.7rem; color: var(--msc-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.msc-stat strong { font-family: var(--msc-mono); color: var(--msc-primary-soft); font-size: 1.05rem; }

/* ===== CHECKLIST ===== */
.msc-checklist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.msc-chk__col {
  background: var(--msc-bg-2);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 14px;
}
.msc-chk__col h3 { color: var(--msc-accent-soft); font-family: var(--msc-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.msc-chk__item { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; }
.msc-chk__item input { accent-color: var(--msc-primary); margin-top: 3px; }
.msc-chk__item label { font-size: 0.92rem; color: var(--msc-text); cursor: pointer; }
.msc-chk__item input:checked + label { color: var(--msc-muted); text-decoration: line-through; }

/* ===== CONVERTER ===== */
.msc-converter {
  background: var(--msc-bg-2);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.msc-converter h3 { color: var(--msc-primary-soft); font-family: var(--msc-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }

/* ===== REGULATION ===== */
.msc-regs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.msc-regs details {
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 12px 16px;
}
.msc-regs summary {
  font-weight: 600; color: var(--msc-text-strong); cursor: pointer;
  list-style: none; padding: 6px 0;
}
.msc-regs summary::-webkit-details-marker { display: none; }
.msc-regs summary::before {
  content: '+'; display: inline-block; width: 18px; color: var(--msc-primary-soft); font-family: var(--msc-mono); font-weight: 700;
}
.msc-regs details[open] summary::before { content: '−'; color: var(--msc-accent-soft); }
.msc-regs p { color: var(--msc-muted); font-size: 0.93rem; }

/* ===== ABOUT ===== */
.msc-about { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.msc-about__card {
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 20px;
}
.msc-about__card h3 { color: var(--msc-accent-soft); font-family: var(--msc-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 10px; }
.msc-about__card address { font-style: normal; color: var(--msc-text); font-family: var(--msc-mono); font-size: 0.9rem; line-height: 1.7; }

.msc-fact dl, .msc-fact { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.msc-fact dt { color: var(--msc-muted); font-family: var(--msc-mono); font-size: 0.78rem; letter-spacing: 0.04em; }
.msc-fact dd { margin: 0; color: var(--msc-text-strong); font-family: var(--msc-mono); font-size: 0.9rem; }

/* ===== FAQ ===== */
.msc-faq { display: grid; grid-template-columns: 1fr; gap: 8px; }
.msc-faq details {
  background: var(--msc-surface);
  border: 1px solid var(--msc-line);
  border-radius: var(--msc-r-md);
  padding: 12px 18px;
}
.msc-faq summary {
  font-weight: 600; color: var(--msc-text-strong); cursor: pointer;
  list-style: none; padding: 6px 0;
}
.msc-faq summary::-webkit-details-marker { display: none; }
.msc-faq summary::after {
  content: '›'; float: right; color: var(--msc-primary-soft); font-size: 1.4rem; line-height: 1; transition: transform 0.2s;
}
.msc-faq details[open] summary::after { transform: rotate(90deg); color: var(--msc-accent-soft); }
.msc-faq p { color: var(--msc-muted); font-size: 0.93rem; padding: 6px 0 0; }

/* ===== FOOT ===== */
.msc-foot {
  background: var(--msc-bg-2);
  border-top: 1px solid var(--msc-line);
  padding: 30px var(--msc-pad);
}
.msc-foot__wrap {
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  font-family: var(--msc-mono); font-size: 0.84rem; color: var(--msc-muted);
}
.msc-foot__wrap strong { color: var(--msc-text-strong); }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .msc-hero__inner { grid-template-columns: 1fr; }
  .msc-hero__stats { grid-template-columns: repeat(2, 1fr); }
  .msc-cards, .msc-cards--6 { grid-template-columns: repeat(2, 1fr); }
  .msc-tool__panel, .msc-tool__panel--three { grid-template-columns: 1fr; }
  .msc-tool__readout { grid-template-columns: 1fr 1fr; }
  .msc-checklist { grid-template-columns: 1fr; }
  .msc-about, .msc-regs { grid-template-columns: 1fr; }
  .msc-foot__wrap { grid-template-columns: 1fr; }
  .msc-nav { display: none; }
}
@media (max-width: 520px) {
  .msc-cards, .msc-cards--6 { grid-template-columns: 1fr; }
  .msc-hero__stats { grid-template-columns: 1fr 1fr; }
  .msc-tool__readout { grid-template-columns: 1fr; }
}