/* ═══════════════════════════════════════════════════════════
   CHAUNTRY HOUSING COMPLIANCE — GLOBAL STYLES
   Design System Tokens & Base Reset
═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  /* Brand Colours */
  --color-primary-navy:    #0E2340;
  --color-deep-slate:      #24364D;
  --color-off-white:       #F7F9FC;
  --color-text-charcoal:   #1F2937;
  --color-accent-teal:     #0EA5A4;
  --color-accent-teal-dark:#0b8c8b;
  --color-soft-border:     #D8E0E8;
  --color-white:           #FFFFFF;

  /* Typography */
  --font-heading:  'Inter Tight', sans-serif;
  --font-body:     'Inter', sans-serif;

  /* Font Sizes */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-md:   1.125rem;  /* 18px */
  --text-lg:   1.25rem;   /* 20px */
  --text-xl:   1.4375rem; /* 23px */
  --text-2xl:  1.75rem;   /* 28px */
  --text-3xl:  2.25rem;   /* 36px */
  --text-4xl:  2.5rem;    /* 40px */
  --text-5xl:  3rem;      /* 48px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max:    1200px;
  --header-height:    72px;

  /* Borders & Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(14,35,64,0.08), 0 1px 2px rgba(14,35,64,0.06);
  --shadow-md:  0 4px 12px rgba(14,35,64,0.10), 0 2px 6px rgba(14,35,64,0.06);
  --shadow-lg:  0 10px 30px rgba(14,35,64,0.12), 0 4px 12px rgba(14,35,64,0.08);
  --shadow-card:0 1px 4px rgba(14,35,64,0.08), 0 0 0 1px var(--color-soft-border);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ── CSS Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-charcoal);
  background-color: var(--color-off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

address {
  font-style: normal;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-4);
  }
}

/* ── Global Button System ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  padding: 0.6875rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  text-decoration: none;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

/* Primary — Accent Teal */
.btn-primary {
  background-color: var(--color-accent-teal);
  color: var(--color-white);
  border-color: var(--color-accent-teal);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-accent-teal-dark);
  border-color: var(--color-accent-teal-dark);
  box-shadow: 0 4px 14px rgba(14,165,164,0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Secondary — Outlined */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-navy);
  border-color: var(--color-primary-navy);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
}

/* Outlined Teal */
.btn-outline-teal {
  background-color: transparent;
  color: var(--color-accent-teal);
  border-color: var(--color-accent-teal);
}

.btn-outline-teal:hover,
.btn-outline-teal:focus-visible {
  background-color: var(--color-accent-teal);
  color: var(--color-white);
}

/* Focus ring for accessibility */
.btn:focus-visible {
  outline: 3px solid var(--color-accent-teal);
  outline-offset: 3px;
}

/* ── Section Utility Classes ── */
.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-24);
}

.section--navy {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
}

.section--slate {
  background-color: var(--color-deep-slate);
  color: var(--color-white);
}

.section--white {
  background-color: var(--color-white);
}

.section--off-white {
  background-color: var(--color-off-white);
}

/* ── Typography Utilities ── */
.heading-1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-primary-navy);
}

.heading-2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-primary-navy);
}

.heading-3 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, var(--text-2xl));
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary-navy);
}

.heading-light {
  color: var(--color-white);
}

.text-teal {
  color: var(--color-accent-teal);
}

.text-muted {
  color: #6B7A8D;
}

/* ── Card Base ── */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-soft-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
}

.badge--teal {
  background-color: rgba(14,165,164,0.12);
  color: var(--color-accent-teal);
  border: 1px solid rgba(14,165,164,0.25);
}

.badge--navy {
  background-color: rgba(14,35,64,0.08);
  color: var(--color-primary-navy);
  border: 1px solid rgba(14,35,64,0.15);
}

/* ── Learn More Link ── */
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-accent-teal);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: gap var(--transition-fast), opacity var(--transition-fast);
}

.learn-more:hover {
  gap: var(--space-2);
  opacity: 0.85;
}

/* ── Teal Divider ── */
.teal-rule {
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent-teal);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

/* ── Page Stub (temporary placeholder sections) ── */
.page-stub {
  min-height: calc(100vh - var(--header-height) - 400px);
  display: flex;
  align-items: center;
}

.page-stub__inner {
  max-width: 640px;
}

.page-stub .teal-rule {
  margin-bottom: var(--space-5);
}

.page-stub__title {
  margin-bottom: var(--space-5);
}

.page-stub__desc {
  font-size: var(--text-lg);
  color: #4B5A6A;
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.page-stub__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Screen reader only ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ── Page Transition ── */
#page-content {
  animation: pageFadeIn 0.25s ease forwards;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════════════════
   SHARED PAGE-LEVEL COMPONENTS
   (used across Services, Reports, Request pages)
════════════════════════════════════════════ */

/* ── Page Hero (Deep Slate banner, text centred) ── */
.page-hero {
  padding-block: var(--space-20) var(--space-16);
  text-align: center;
}

.page-hero--slate {
  background-color: var(--color-deep-slate);
  color: var(--color-white);
}

.page-hero__inner {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
}

.page-hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-white);
}

.page-hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.75;
  color: rgba(255,255,255,0.78);
  max-width: 640px;
}

.page-hero__cta {
  margin-top: var(--space-2);
}

/* ── Section Header (centred eyebrow + headline + intro) ── */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
  margin-bottom: var(--space-3);
}

.section-eyebrow--light {
  color: rgba(14,165,164,0.85);
}

.section-headline {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary-navy);
  margin-bottom: var(--space-4);
}

.section-headline--light {
  color: var(--color-white);
}

.section-intro {
  font-size: var(--text-md);
  color: #4B5A6A;
  line-height: 1.7;
  max-width: 620px;
  margin-inline: auto;
}

/* ── Image Placeholder ── */
.img-placeholder {
  background-color: #D8E0E8;
  border: 2px dashed var(--color-accent-teal);
  border-radius: var(--radius-lg);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-text-charcoal);
  font-family: var(--font-body);
  font-size: var(--text-base);
  text-align: center;
  padding: var(--space-8);
}

.img-placeholder__icon {
  font-size: 2.5rem;
  color: var(--color-accent-teal);
  opacity: 0.6;
}

.img-placeholder__note {
  font-size: var(--text-sm);
  color: #6B7A8D;
}

.img-placeholder--report {
  min-height: 400px;
  background-color: var(--color-white);
  border-color: var(--color-soft-border);
}

/* ── Trust Strip (3-col, white background) ── */
.trust-strip {
  background-color: var(--color-white);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.trust-strip__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}

.trust-strip__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(14,165,164,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent-teal);
  flex-shrink: 0;
}

.trust-strip__heading {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary-navy);
}

.trust-strip__body {
  font-size: var(--text-base);
  color: #4B5A6A;
  line-height: 1.65;
}

@media (max-width: 768px) {
  .trust-strip__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ── Process Timeline (reusable, light theme) ── */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 8px);
  right: calc(12.5% + 8px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-teal));
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.process-step__node {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-accent-teal);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(14,165,164,0.15);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.process-step:hover .process-step__node {
  transform: scale(1.08);
  box-shadow: 0 0 0 6px rgba(14,165,164,0.25);
}

.process-step__card {
  background-color: var(--color-white);
  border: 1px solid var(--color-soft-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.process-step__icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: rgba(14,165,164,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-accent-teal);
  margin: 0 auto var(--space-3);
}

.process-step__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary-navy);
  margin-bottom: var(--space-2);
}

.process-step__desc {
  font-size: var(--text-sm);
  color: #4B5A6A;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline::before {
    display: none;
  }
}

@media (max-width: 540px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
}