/* ==========================================================================
   Waterline Defence — Shared site styles
   Built on tokens.css. Implements the DESIGN.md visual language:
   threshold/waterline motif, calm practical palette, no blue-wave, no
   gradient text, no glassmorphism, no nested cards.
   ========================================================================== */

/* ---------- Reset / base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--wd-font-body);
  font-size: var(--wd-step-0);
  line-height: 1.6;
  color: var(--wd-ink);
  background: var(--wd-paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--wd-font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--wd-ink);
  margin: 0 0 var(--wd-space-4);
  /* No negative letter-spacing per anti-slop guardrails. */
  letter-spacing: 0;
}

h1 { font-size: var(--wd-step-5); }
h2 { font-size: var(--wd-step-4); }
h3 { font-size: var(--wd-step-2); }
h4 { font-size: var(--wd-step-1); }

p { margin: 0 0 var(--wd-space-4); }

a { color: var(--wd-deep-waterline); text-underline-offset: 2px; }
a:hover { color: var(--wd-floodline-green); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { margin: 0 0 var(--wd-space-4); padding-left: var(--wd-space-5); }
li { margin-bottom: var(--wd-space-2); }

:focus-visible {
  outline: 3px solid var(--wd-safety-amber);
  outline-offset: 2px;
}

/* ---------- Layout ---------- */
.wd-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--wd-space-5);
}

.wd-section { padding-block: var(--wd-space-9); }
.wd-section--tight { padding-block: var(--wd-space-7); }

.wd-eyebrow {
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wd-floodline-green);
  margin-bottom: var(--wd-space-3);
}

.wd-lead { font-size: var(--wd-step-1); color: var(--wd-ink-soft); max-width: 60ch; }

.wd-grid { display: grid; gap: var(--wd-space-6); }
@media (min-width: 768px) {
  .wd-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .wd-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .wd-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.wd-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--wd-ink);
  color: var(--wd-white);
  padding: var(--wd-space-3) var(--wd-space-4);
  z-index: 200;
}
.wd-skip-link:focus { left: var(--wd-space-4); top: var(--wd-space-4); color: var(--wd-white); }

/* ---------- Buttons ---------- */
.wd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--wd-space-2);
  font-family: var(--wd-font-display);
  font-size: var(--wd-step-0);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  padding: var(--wd-space-4) var(--wd-space-5);
  border-radius: var(--wd-radius-3);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--wd-duration-fast) var(--wd-ease-out),
              border-color var(--wd-duration-fast) var(--wd-ease-out),
              color var(--wd-duration-fast) var(--wd-ease-out);
}
/* Primary = action amber on ink text for WCAG contrast. */
.wd-btn--primary { background: var(--wd-safety-amber); color: var(--wd-ink); }
.wd-btn--primary:hover { background: #d4912f; color: var(--wd-ink); }

.wd-btn--secondary {
  background: var(--wd-deep-waterline);
  color: var(--wd-white);
  border-color: var(--wd-deep-waterline);
}
.wd-btn--secondary:hover { background: var(--wd-floodline-green); border-color: var(--wd-floodline-green); color: var(--wd-white); }

.wd-btn--ghost {
  background: transparent;
  color: var(--wd-deep-waterline);
  border-color: var(--wd-concrete);
}
.wd-btn--ghost:hover { border-color: var(--wd-deep-waterline); color: var(--wd-deep-waterline); }

.wd-btn--block { width: 100%; }

/* Two equal CTAs cluster */
.wd-cta-pair {
  display: grid;
  gap: var(--wd-space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 480px) {
  .wd-cta-pair { grid-template-columns: 1fr 1fr; max-width: 560px; }
}

/* ---------- Header ---------- */
.wd-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--wd-white);
  border-bottom: 1px solid var(--wd-concrete);
}
.wd-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--wd-space-4);
  min-height: 64px;
}
.wd-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  font-family: var(--wd-font-display);
  font-weight: 700;
  font-size: var(--wd-step-1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--wd-ink);
  text-decoration: none;
  white-space: nowrap;
}
/* Waterline mark: a thin amber rule with a measurement tick under the wordmark. */
.wd-brand__mark {
  display: inline-block;
  position: relative;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--wd-safety-amber);
}
.wd-brand__mark::after {
  content: "";
  position: absolute;
  right: 6px;
  bottom: -2px;
  width: 2px;
  height: 7px;
  background: var(--wd-safety-amber);
}
.wd-nav { display: none; }
@media (min-width: 1024px) {
  .wd-nav { display: flex; align-items: center; gap: var(--wd-space-3); flex-shrink: 0; }
}
@media (min-width: 1200px) {
  .wd-nav { gap: var(--wd-space-4); }
}
.wd-nav a {
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  font-weight: 500;
  color: var(--wd-ink-soft);
  text-decoration: none;
  white-space: nowrap;
}
.wd-nav a:hover { color: var(--wd-deep-waterline); }
.wd-header__cta { display: none; }
@media (min-width: 1024px) {
  .wd-header__cta { display: flex; gap: var(--wd-space-2); flex-shrink: 0; }
  .wd-header__cta .wd-btn { padding: var(--wd-space-3) var(--wd-space-3); font-size: var(--wd-step--1); }
}
@media (min-width: 1200px) {
  .wd-header__cta .wd-btn { padding: var(--wd-space-3) var(--wd-space-4); }
}
/* Keep the brand from being squeezed onto two lines on tight desktop widths */
@media (min-width: 1024px) { .wd-brand { flex-shrink: 0; } }

/* ---------- Hamburger toggle (phones + tablets, < 1024px) ---------- */
.wd-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--wd-space-2);
  min-height: 44px;
  padding: var(--wd-space-2) var(--wd-space-3);
  background: transparent;
  border: 1.5px solid var(--wd-concrete);
  border-radius: var(--wd-radius-2);
  color: var(--wd-ink);
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  font-weight: 600;
  cursor: pointer;
}
.wd-menu-toggle__bars { display: inline-block; width: 18px; height: 12px; position: relative; }
.wd-menu-toggle__bars span {
  position: absolute; left: 0; height: 2px; width: 100%;
  background: var(--wd-deep-waterline); border-radius: 2px;
}
.wd-menu-toggle__bars span:nth-child(1) { top: 0; }
.wd-menu-toggle__bars span:nth-child(2) { top: 5px; }
.wd-menu-toggle__bars span:nth-child(3) { top: 10px; }
.wd-menu-toggle__label { line-height: 1; }
@media (min-width: 1024px) { .wd-menu-toggle { display: none; } }

/* ---------- Mobile slide-in menu ---------- */
.wd-mobile-menu { position: fixed; inset: 0; z-index: 200; }
.wd-mobile-menu[hidden] { display: none; }
.wd-mobile-menu__backdrop {
  position: absolute; inset: 0;
  background: rgba(16, 24, 32, 0.55);
  opacity: 0; transition: opacity var(--wd-duration-base) var(--wd-ease-out);
}
.wd-mobile-menu__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(86vw, 360px);
  background: var(--wd-white);
  box-shadow: var(--wd-shadow-3);
  display: flex; flex-direction: column;
  padding: var(--wd-space-5);
  transform: translateX(100%);
  transition: transform var(--wd-duration-base) var(--wd-ease-out);
  overflow-y: auto;
}
.wd-mobile-menu.is-open .wd-mobile-menu__backdrop { opacity: 1; }
.wd-mobile-menu.is-open .wd-mobile-menu__panel { transform: translateX(0); }
.wd-mobile-menu__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--wd-space-4); }
.wd-mobile-menu__title {
  font-family: var(--wd-font-display); font-weight: 700; font-size: var(--wd-step-0);
  letter-spacing: 0.04em; color: var(--wd-ink);
  padding-bottom: 4px; border-bottom: 2px solid var(--wd-safety-amber);
}
.wd-mobile-menu__close {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  font-size: 32px; line-height: 1; color: var(--wd-ink-soft);
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
}
.wd-mobile-menu__links { list-style: none; margin: 0 0 var(--wd-space-5); padding: 0; }
.wd-mobile-menu__links a {
  display: block; padding: var(--wd-space-3) 0;
  font-family: var(--wd-font-display); font-size: var(--wd-step-2); font-weight: 500;
  color: var(--wd-ink); text-decoration: none;
  border-bottom: 1px solid var(--wd-foam);
}
.wd-mobile-menu__links a:hover,
.wd-mobile-menu__links a[aria-current="page"] { color: var(--wd-floodline-green); }
.wd-mobile-menu__cta { display: grid; gap: var(--wd-space-3); margin-top: auto; }
.wd-mobile-menu__cta .wd-btn { width: 100%; text-align: center; justify-content: center; }
@media (min-width: 1024px) { .wd-mobile-menu { display: none !important; } }
/* Lock background scroll when menu is open */
body.wd-menu-open { overflow: hidden; }
@media (prefers-reduced-motion: reduce) {
  .wd-mobile-menu__backdrop, .wd-mobile-menu__panel { transition: none; }
}

/* Mobile bottom action bar (two pinned CTAs) */
.wd-mobile-actions {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--wd-concrete);
  border-top: 1px solid var(--wd-concrete);
}
.wd-mobile-actions .wd-btn { border-radius: 0; }
@media (min-width: 1024px) { .wd-mobile-actions { display: none; } }
body { padding-bottom: 64px; }
@media (min-width: 1024px) { body { padding-bottom: 0; } }

/* ---------- Waterline divider ---------- */
.wd-waterline {
  position: relative;
  height: 3px;
  background: var(--wd-safety-amber);
  margin: 0;
  border: 0;
  overflow: visible;
}
/* measurement ticks along the line */
.wd-waterline::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to right,
    var(--wd-safety-amber) 0,
    var(--wd-safety-amber) 1px,
    transparent 1px,
    transparent 48px
  );
  top: -5px;
  height: 5px;
}
/* Animated draw on reveal */
.wd-waterline--draw { transform-origin: left center; }
@media (prefers-reduced-motion: no-preference) {
  .wd-waterline--draw { animation: wd-draw var(--wd-duration-slow) var(--wd-ease-out) both; }
}
@keyframes wd-draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Surfaces / panels (flat, no nested cards) ---------- */
.wd-panel {
  background: var(--wd-white);
  border: 1px solid var(--wd-concrete);
  border-radius: var(--wd-radius-3);
  padding: var(--wd-space-6);
}
.wd-panel--foam { background: var(--wd-foam); border-color: transparent; }

.wd-router {
  display: grid;
  gap: var(--wd-space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .wd-router { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .wd-router { grid-template-columns: repeat(4, 1fr); } }
.wd-router__item {
  display: block;
  background: var(--wd-white);
  border: 1px solid var(--wd-concrete);
  border-radius: var(--wd-radius-3);
  border-top: 3px solid var(--wd-deep-waterline);
  padding: var(--wd-space-5);
  text-decoration: none;
  color: var(--wd-ink);
  transition: border-color var(--wd-duration-fast) var(--wd-ease-out),
              box-shadow var(--wd-duration-fast) var(--wd-ease-out);
}
.wd-router__item:hover { border-top-color: var(--wd-safety-amber); box-shadow: var(--wd-shadow-2); color: var(--wd-ink); }
.wd-router__item strong { font-family: var(--wd-font-display); display: block; margin-bottom: var(--wd-space-2); }

/* ---------- Hero ---------- */
.wd-hero {
  position: relative;
  background: var(--wd-deep-waterline);
  color: var(--wd-white);
  overflow: hidden;
}
.wd-hero h1 { color: var(--wd-white); max-width: 18ch; }
.wd-hero__inner { padding-block: var(--wd-space-9); position: relative; z-index: 2; }
.wd-hero__sub { font-size: var(--wd-step-1); color: var(--wd-foam); max-width: 52ch; }
.wd-hero__media {
  /* placeholder image area — aspect locked to prevent layout shift */
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--wd-ink-soft);
  border: 1px dashed var(--wd-steel-blue);
  border-radius: var(--wd-radius-3);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--wd-foam);
  padding: var(--wd-space-5);
  margin-top: var(--wd-space-6);
}
/* amber waterline label across hero media */
.wd-hero__waterline {
  position: absolute;
  left: 0; right: 0;
  bottom: 28%;
  height: 2px;
  background: var(--wd-safety-amber);
}
.wd-hero__waterline span {
  position: absolute;
  right: var(--wd-space-3);
  bottom: 6px;
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  font-weight: 600;
  background: var(--wd-ink);
  color: var(--wd-safety-amber);
  padding: 2px 6px;
  border-radius: var(--wd-radius-1);
}

/* ---------- Image placeholder block ---------- */
.wd-imgph {
  position: relative;
  background: var(--wd-concrete);
  border: 1px dashed var(--wd-steel-blue);
  border-radius: var(--wd-radius-3);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--wd-ink-soft);
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  padding: var(--wd-space-5);
}
.wd-imgph--16x9 { aspect-ratio: 16 / 9; }
.wd-imgph--4x3 { aspect-ratio: 4 / 3; }
.wd-imgph--1x1 { aspect-ratio: 1 / 1; }
.wd-imgph--3x4 { aspect-ratio: 3 / 4; }

/* Populated image state: drop a real <img> into any aspect-locked placeholder */
.wd-imgph img,
.wd-hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
  z-index: 0;
}
.wd-imgph.has-img,
.wd-hero__media.has-img {
  color: transparent;
  border-style: solid;
  border-color: var(--wd-concrete);
  overflow: hidden;
}
/* Keep the hero's amber waterline caption above the photo */
.wd-hero__media .wd-hero__waterline { z-index: 2; }

/* ---------- Proof / trust strip ---------- */
.wd-proof {
  background: var(--wd-foam);
  border-top: 1px solid var(--wd-concrete);
  border-bottom: 1px solid var(--wd-concrete);
}
.wd-proof__grid {
  display: grid;
  gap: var(--wd-space-5);
  grid-template-columns: 1fr;
  padding-block: var(--wd-space-6);
}
@media (min-width: 640px) { .wd-proof__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .wd-proof__grid { grid-template-columns: repeat(4, 1fr); } }
.wd-proof__item strong {
  display: block;
  font-family: var(--wd-font-display);
  font-size: var(--wd-step-1);
  margin-bottom: var(--wd-space-1);
}
.wd-proof__item span { color: var(--wd-ink-soft); font-size: var(--wd-step--1); }

/* ---------- Status badges ---------- */
.wd-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--wd-space-2);
  font-family: var(--wd-font-display);
  font-size: var(--wd-step--1);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--wd-radius-2);
  border: 1px solid currentColor;
}
.wd-badge--verified { color: var(--wd-floodline-green); }
.wd-badge--request { color: var(--wd-steel-blue); }
.wd-badge--pending { color: var(--wd-clay); }

/* ---------- Claims / limitation note ---------- */
.wd-limit {
  background: var(--wd-foam);
  border-left: 4px solid var(--wd-clay);
  border-radius: var(--wd-radius-2);
  padding: var(--wd-space-4) var(--wd-space-5);
  font-size: var(--wd-step--1);
  color: var(--wd-ink-soft);
  max-width: 78ch;
}
.wd-limit strong { color: var(--wd-ink); }

/* Quote-routing warning state — does not rely on colour alone (icon + label) */
.wd-warn {
  background: #fbeee6;
  border: 1px solid var(--wd-clay);
  border-left: 4px solid var(--wd-brick);
  border-radius: var(--wd-radius-2);
  padding: var(--wd-space-4);
  color: var(--wd-ink);
}
.wd-warn::before {
  content: "⚠ Needs a closer look — ";
  font-weight: 700;
  font-family: var(--wd-font-display);
}

/* ---------- Split / fit-non-fit ---------- */
.wd-split { display: grid; gap: var(--wd-space-5); grid-template-columns: 1fr; }
@media (min-width: 768px) { .wd-split { grid-template-columns: 1fr 1fr; } }
.wd-split__fit { border-top: 3px solid var(--wd-floodline-green); }
.wd-split__nonfit { border-top: 3px solid var(--wd-clay); }

/* ---------- Tables (responsive) ---------- */
.wd-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.wd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--wd-step--1);
  min-width: 520px;
}
.wd-table th, .wd-table td {
  text-align: left;
  padding: var(--wd-space-3) var(--wd-space-4);
  border-bottom: 1px solid var(--wd-concrete);
  vertical-align: top;
}
.wd-table th { font-family: var(--wd-font-display); background: var(--wd-foam); }

/* ---------- Footer ---------- */
.wd-footer {
  background: var(--wd-ink);
  color: var(--wd-concrete);
  font-size: var(--wd-step--1);
}
.wd-footer a { color: var(--wd-foam); text-decoration: none; }
.wd-footer a:hover { color: var(--wd-white); text-decoration: underline; }
.wd-footer__cols {
  display: grid;
  gap: var(--wd-space-6);
  grid-template-columns: 1fr;
  padding-block: var(--wd-space-8);
}
@media (min-width: 640px) { .wd-footer__cols { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .wd-footer__cols { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.wd-footer h4 { color: var(--wd-white); font-size: var(--wd-step-0); margin-bottom: var(--wd-space-3); }
.wd-footer ul { list-style: none; padding: 0; margin: 0; }
.wd-footer li { margin-bottom: var(--wd-space-2); }
.wd-footer__legal {
  border-top: 1px solid var(--wd-steel-blue);
  padding-block: var(--wd-space-6);
  color: var(--wd-concrete);
  font-size: 0.8rem;
  line-height: 1.6;
}
.wd-footer__legal p { margin-bottom: var(--wd-space-3); max-width: 90ch; }
.wd-footer__legal strong { color: var(--wd-white); }

/* ---------- Breadcrumbs ---------- */
.wd-crumbs {
  font-size: var(--wd-step--1);
  color: var(--wd-ink-soft);
  padding-block: var(--wd-space-4);
}
.wd-crumbs a { color: var(--wd-deep-waterline); text-decoration: none; }
.wd-crumbs span { margin-inline: var(--wd-space-2); color: var(--wd-steel-blue); }

/* ---------- Forms (calculator + quote) ---------- */
.wd-field { margin-bottom: var(--wd-space-5); }
.wd-field label {
  display: block;
  font-family: var(--wd-font-display);
  font-weight: 600;
  font-size: var(--wd-step--1);
  margin-bottom: var(--wd-space-2);
}
.wd-field__help { font-size: var(--wd-step--1); color: var(--wd-ink-soft); margin-bottom: var(--wd-space-2); }
.wd-field__error { font-size: var(--wd-step--1); color: var(--wd-brick); margin-top: var(--wd-space-2); font-weight: 600; }
.wd-input, .wd-select {
  width: 100%;
  font-family: var(--wd-font-body);
  font-size: var(--wd-step-0);
  padding: var(--wd-space-3) var(--wd-space-4);
  border: 1px solid var(--wd-steel-blue);
  border-radius: var(--wd-radius-2);
  background: var(--wd-white);
  color: var(--wd-ink);
}
.wd-input:focus, .wd-select:focus { border-color: var(--wd-deep-waterline); }

/* Segmented control */
.wd-segment { display: inline-flex; flex-wrap: wrap; gap: var(--wd-space-2); }
.wd-segment label {
  border: 1px solid var(--wd-steel-blue);
  border-radius: var(--wd-radius-2);
  padding: var(--wd-space-3) var(--wd-space-4);
  cursor: pointer;
  font-size: var(--wd-step--1);
}
.wd-segment input { position: absolute; opacity: 0; pointer-events: none; }
.wd-segment input:checked + span { font-weight: 700; }
.wd-segment label:has(input:checked) { border-color: var(--wd-deep-waterline); background: var(--wd-foam); }

/* Calculator result */
.wd-result {
  background: var(--wd-white);
  border: 1px solid var(--wd-concrete);
  border-top: 3px solid var(--wd-floodline-green);
  border-radius: var(--wd-radius-3);
  padding: var(--wd-space-6);
}
@media (prefers-reduced-motion: no-preference) {
  .wd-result[data-revealed="true"] { animation: wd-rise var(--wd-duration-base) var(--wd-ease-out) both; }
}
@keyframes wd-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.wd-result__price {
  font-family: var(--wd-font-display);
  font-size: var(--wd-step-4);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Utility */
.wd-stack > * + * { margin-top: var(--wd-space-4); }
.wd-muted { color: var(--wd-ink-soft); }
.wd-center { text-align: center; }
.wd-mt-0 { margin-top: 0; }
.wd-mb-0 { margin-bottom: 0; }

/* Emergency disclaimer strip for regional/guide pages */
.wd-emergency {
  background: var(--wd-brick);
  color: var(--wd-white);
  font-size: var(--wd-step--1);
  text-align: center;
  padding: var(--wd-space-3) var(--wd-space-4);
}
.wd-emergency a { color: var(--wd-white); text-decoration: underline; }