/* ==========================================================================
   main.css
   HealthCompare — Design system, layout and typography
   ==========================================================================
   Design direction: authoritative, medical-adjacent, deeply trustworthy.
   Palette: deep navy dominates. Clinical teal accents. Warm off-white ground.
   Typography: DM Serif Display (editorial authority) + DM Sans (clarity).
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */

:root {
    /* Colours */
    --colour-navy:          #0D1B2A;
    --colour-navy-mid:      #1A2E45;
    --colour-navy-light:    #243B55;
    --colour-navy-faint:    #EEF2F7;

    --colour-teal:          #0E9E8E;
    --colour-teal-dark:     #0B8070;
    --colour-teal-light:    #D4F5F1;
    --colour-teal-faint:    #F0FAFA;

    --colour-white:         #FFFFFF;
    --colour-off-white:     #F8F9FB;
    --colour-surface:       #FFFFFF;

    --colour-text-primary:  #0D1B2A;
    --colour-text-body:     #2C3E50;
    --colour-text-muted:    #607080;
    --colour-text-subtle:   #8FA0B0;
    --colour-text-inverse:  #FFFFFF;

    --colour-border:        #DCE5EF;
    --colour-border-strong: #B8C8D8;

    --colour-score-excellent: #059669;
    --colour-score-good:      #0E9E8E;
    --colour-score-average:   #D97706;
    --colour-score-poor:      #DC2626;

    --colour-success:    #059669;
    --colour-warning:    #D97706;
    --colour-error:      #DC2626;

    /* Typography */
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;

    --text-xs:   0.75rem;
    --text-sm:   0.875rem;
    --text-base: 1rem;
    --text-md:   1.125rem;
    --text-lg:   1.25rem;
    --text-xl:   1.5rem;
    --text-2xl:  1.875rem;
    --text-3xl:  2.25rem;
    --text-4xl:  3rem;
    --text-5xl:  3.75rem;

    --leading-tight:  1.2;
    --leading-snug:   1.35;
    --leading-normal: 1.6;
    --leading-loose:  1.8;

    --weight-light:   300;
    --weight-regular: 400;
    --weight-medium:  500;
    --weight-semi:    600;

    /* Spacing (8px base) */
    --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;
    --container-wide:  1400px;
    --container-narrow: 760px;
    --container-pad:   clamp(1rem, 4vw, 2rem);

    /* Borders */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs:  0 1px 2px rgba(13, 27, 42, 0.05);
    --shadow-sm:  0 2px 8px rgba(13, 27, 42, 0.08);
    --shadow-md:  0 4px 16px rgba(13, 27, 42, 0.10);
    --shadow-lg:  0 8px 32px rgba(13, 27, 42, 0.12);
    --shadow-xl:  0 16px 48px rgba(13, 27, 42, 0.15);

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

    /* Z-index layers */
    --z-base:    0;
    --z-raised:  10;
    --z-sticky:  100;
    --z-header:  200;
    --z-overlay: 300;
    --z-modal:   400;
}

/* --------------------------------------------------------------------------
   2. RESET
   -------------------------------------------------------------------------- */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: var(--leading-normal);
    color: var(--colour-text-body);
    background-color: var(--colour-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

input, select, textarea {
    font: inherit;
    color: inherit;
}

h1, h2, h3, h4, h5, h6 {
    line-height: var(--leading-tight);
    color: var(--colour-text-primary);
}

/* --------------------------------------------------------------------------
   3. ACCESSIBILITY
   -------------------------------------------------------------------------- */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--colour-navy);
    color: var(--colour-white);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: var(--radius-sm);
    z-index: var(--z-modal);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

:focus-visible {
    outline: 2px solid var(--colour-teal);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   4. LAYOUT UTILITIES
   -------------------------------------------------------------------------- */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.container--wide {
    max-width: var(--container-wide);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* --------------------------------------------------------------------------
   5. TYPOGRAPHY SCALE
   -------------------------------------------------------------------------- */

h1 { font-family: var(--font-display); font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); font-weight: var(--weight-regular); }
h2 { font-family: var(--font-display); font-size: clamp(var(--text-xl),  3vw, var(--text-3xl)); font-weight: var(--weight-regular); }
h3 { font-family: var(--font-body);    font-size: var(--text-lg);  font-weight: var(--weight-semi); }
h4 { font-family: var(--font-body);    font-size: var(--text-base); font-weight: var(--weight-semi); }

p { line-height: var(--leading-normal); }

.eyebrow {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-semi);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--colour-teal);
}

/* --------------------------------------------------------------------------
   6. BUTTONS
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1.5px solid transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0);    }

/* Primary */
.btn--primary {
    background-color: var(--colour-teal);
    border-color:     var(--colour-teal);
    color:            var(--colour-white);
}
.btn--primary:hover {
    background-color: var(--colour-teal-dark);
    border-color:     var(--colour-teal-dark);
    box-shadow:       var(--shadow-md);
}

/* Outline */
.btn--outline {
    background-color: transparent;
    border-color:     var(--colour-navy);
    color:            var(--colour-navy);
}
.btn--outline:hover {
    background-color: var(--colour-navy);
    color:            var(--colour-white);
}

/* Ghost */
.btn--ghost {
    background-color: transparent;
    border-color:     var(--colour-border);
    color:            var(--colour-text-muted);
}
.btn--ghost:hover {
    background-color: var(--colour-navy-faint);
    border-color:     var(--colour-border-strong);
    color:            var(--colour-text-primary);
}

/* Sizes */
.btn--sm     { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn--large  { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--full   { width: 100%; }

/* --------------------------------------------------------------------------
   7. SITE HEADER
   -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: var(--colour-navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-md);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    height: 68px;
}

/* Logo */
.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}

.site-header__logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--colour-teal);
    color: var(--colour-white);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-regular);
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

.site-header__logo-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--colour-white);
    letter-spacing: -0.01em;
}

/* Primary Nav */
.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.primary-nav__item {
    position: relative;
}

.primary-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    text-decoration: none;
}

.primary-nav__link:hover,
.primary-nav__link--active {
    color: var(--colour-white);
    background: rgba(255, 255, 255, 0.08);
}

.primary-nav__link--dropdown-trigger {
    gap: var(--space-2);
}

/* Chevron arrow */
.primary-nav__chevron {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform var(--transition-fast);
}

.primary-nav__item--has-dropdown [aria-expanded="true"] .primary-nav__chevron {
    transform: rotate(-135deg) translateY(-2px);
}

/* Dropdowns */
.primary-nav__dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 520px;
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    /* Top padding bridges the gap so mouse doesn't lose hover */
    padding-top: calc(var(--space-4) + var(--space-2));
    z-index: var(--z-overlay);
}

.primary-nav__dropdown--narrow {
    min-width: 220px;
}

/* Only JS aria-expanded controls visibility — no pure CSS :hover trigger
   which causes the gap-disappear bug */
.primary-nav__item--has-dropdown [aria-expanded="true"] + .primary-nav__dropdown {
    display: block;
    animation: dropdown-reveal 150ms ease forwards;
}

@keyframes dropdown-reveal {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* Dropdown grid (categories) */
.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-1);
}

.dropdown-grid__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-grid__item:hover,
.dropdown-grid__item--active {
    background-color: var(--colour-navy-faint);
}

.dropdown-grid__item-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--colour-text-primary);
}

.dropdown-grid__item-count {
    font-size: var(--text-xs);
    color: var(--colour-text-muted);
}

/* Dropdown list (providers) */
.dropdown-list {
    list-style: none;
}

.dropdown-list__item {
    border-bottom: 1px solid var(--colour-border);
}

.dropdown-list__item:last-child {
    border-bottom: none;
}

.dropdown-list__link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--colour-text-body);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-list__link:hover,
.dropdown-list__link--active {
    background-color: var(--colour-navy-faint);
    color: var(--colour-navy);
}

.dropdown-list__link--all {
    font-weight: var(--weight-medium);
    color: var(--colour-teal);
}

/* Search trigger */
.primary-nav__search {
    padding-left: var(--space-3);
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.search-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-trigger:hover {
    color: var(--colour-white);
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: var(--space-2);
}

.nav-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--colour-white);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   8. BREADCRUMB
   -------------------------------------------------------------------------- */

.breadcrumb-nav {
    background: var(--colour-white);
    border-bottom: 1px solid var(--colour-border);
    padding-block: var(--space-3);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    list-style: none;
}

.breadcrumb-list__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb-list__link {
    font-size: var(--text-sm);
    color: var(--colour-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-list__link:hover {
    color: var(--colour-navy);
}

.breadcrumb-list__separator {
    font-size: var(--text-sm);
    color: var(--colour-text-subtle);
}

.breadcrumb-list__current {
    font-size: var(--text-sm);
    color: var(--colour-text-primary);
    font-weight: var(--weight-medium);
}

/* --------------------------------------------------------------------------
   9. HERO — HOMEPAGE
   -------------------------------------------------------------------------- */

.hero {
    position: relative;
    background: var(--colour-navy);
    padding-block: clamp(var(--space-16), 8vw, var(--space-24));
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 80% at 60% 50%, rgba(14, 158, 142, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 50% 60% at 10% 80%, rgba(14, 158, 142, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

/* Subtle grid overlay */
.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 80%);
}

.hero__inner {
    position: relative;
    z-index: var(--z-raised);
}

.hero__content {
    max-width: 700px;
}

.hero__eyebrow {
    font-size: var(--text-xs);
    font-weight: var(--weight-semi);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--colour-teal);
    margin-bottom: var(--space-4);
}

.hero__heading {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    color: var(--colour-white);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-6);
}

.hero__heading em {
    font-style: italic;
    color: var(--colour-teal);
}

.hero__subheading {
    font-size: var(--text-md);
    color: rgba(255, 255, 255, 0.72);
    line-height: var(--leading-loose);
    margin-bottom: var(--space-8);
    max-width: 560px;
}

.hero__actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-10);
}

.hero__actions .btn--outline {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.85);
}

.hero__actions .btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--colour-white);
}

.hero__trust {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.hero__trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.hero__trust-item svg {
    color: var(--colour-teal);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. PAGE HERO (interior pages)
   -------------------------------------------------------------------------- */

.page-hero {
    background: var(--colour-navy);
    padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}

.page-hero__label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semi);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--colour-teal);
    margin-bottom: var(--space-3);
}

.page-hero__heading {
    font-family: var(--font-display);
    color: var(--colour-white);
    margin-bottom: var(--space-4);
}

.page-hero__summary {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-md);
    max-width: 640px;
    line-height: var(--leading-loose);
}

.page-hero__intro {
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--text-md);
    max-width: 700px;
    line-height: var(--leading-loose);
    margin-top: var(--space-4);
}

.page-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.page-hero__meta-sep {
    color: rgba(255, 255, 255, 0.3);
}

.page-hero__meta-link {
    color: var(--colour-teal);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.page-hero__meta-link:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* --------------------------------------------------------------------------
   11. HOME SECTIONS
   -------------------------------------------------------------------------- */

.home-section {
    padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}

.home-section--categories {
    background: var(--colour-white);
}

.home-section--top-tests {
    background: var(--colour-off-white);
}

.home-section--comparisons {
    background: var(--colour-navy);
}

.home-section--providers {
    background: var(--colour-white);
}

.home-section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.home-section__heading {
    color: var(--colour-text-primary);
}

.home-section--comparisons .home-section__heading {
    color: var(--colour-white);
}

.home-section__subheading {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--colour-text-muted);
}

.home-section__see-all {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--colour-teal);
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.home-section__see-all:hover {
    color: var(--colour-teal-dark);
}

.home-section--comparisons .home-section__see-all {
    color: rgba(255, 255, 255, 0.6);
}

.home-section--comparisons .home-section__see-all:hover {
    color: var(--colour-white);
}

/* --------------------------------------------------------------------------
   12. CATEGORY GRID (homepage)
   -------------------------------------------------------------------------- */

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-3);
    list-style: none;
}

.category-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-5);
    background: var(--colour-off-white);
    border: 1.5px solid var(--colour-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--colour-teal);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-base);
}

.category-card:hover {
    border-color: var(--colour-teal);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.category-card:hover::before {
    transform: scaleY(1);
}

.category-card__name {
    font-size: var(--text-sm);
    font-weight: var(--weight-semi);
    color: var(--colour-text-primary);
}

.category-card__count {
    font-size: var(--text-xs);
    color: var(--colour-text-muted);
}

.category-card__arrow {
    margin-top: auto;
    font-size: var(--text-sm);
    color: var(--colour-teal);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.category-card:hover .category-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

/* --------------------------------------------------------------------------
   13. COMPARISON CARDS (homepage)
   -------------------------------------------------------------------------- */

.comparison-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-4);
    list-style: none;
}

.comparison-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.comparison-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
}

.comparison-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--colour-white);
    line-height: var(--leading-snug);
}

.comparison-card__summary {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.55);
    line-height: var(--leading-normal);
}

.comparison-card__cta {
    margin-top: auto;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--colour-teal);
}

/* --------------------------------------------------------------------------
   14. TRUST BAND
   -------------------------------------------------------------------------- */

.trust-band {
    background: var(--colour-navy-faint);
    border-top: 1px solid var(--colour-border);
    border-bottom: 1px solid var(--colour-border);
    padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}

.trust-band__heading {
    text-align: center;
    margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}

.trust-band__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-8);
}

.trust-band__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.trust-band__item-icon {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    color: var(--colour-teal);
    opacity: 0.5;
    line-height: 1;
}

.trust-band__item-heading {
    font-size: var(--text-base);
    font-weight: var(--weight-semi);
    color: var(--colour-text-primary);
}

.trust-band__item-body {
    font-size: var(--text-sm);
    color: var(--colour-text-muted);
    line-height: var(--leading-loose);
}

.trust-band__footer {
    margin-top: var(--space-10);
    text-align: center;
}

/* --------------------------------------------------------------------------
   15. PROVIDER GRID
   -------------------------------------------------------------------------- */

.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    list-style: none;
}

.provider-grid--full {
    margin-block: var(--space-8);
}

/* --------------------------------------------------------------------------
   16. SECTION HEADING
   -------------------------------------------------------------------------- */

.section-heading {
    margin-bottom: var(--space-8);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.section-header__heading {
    font-family: var(--font-display);
}

.section-header__count {
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    color: var(--colour-text-muted);
    margin-left: var(--space-2);
}

/* --------------------------------------------------------------------------
   17. ALERTS
   -------------------------------------------------------------------------- */

.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-block: var(--space-6);
}

.alert--error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #991B1B;
}

/* --------------------------------------------------------------------------
   18. EMPTY STATE
   -------------------------------------------------------------------------- */

.empty-state {
    padding: var(--space-16) var(--space-8);
    text-align: center;
}

.empty-state__message {
    color: var(--colour-text-muted);
    font-size: var(--text-md);
    margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   19. SITE FOOTER
   -------------------------------------------------------------------------- */

.site-footer {
    background: var(--colour-navy);
    color: rgba(255, 255, 255, 0.65);
    padding-top: clamp(var(--space-12), 6vw, var(--space-20));
    padding-bottom: var(--space-8);
    margin-top: clamp(var(--space-12), 6vw, var(--space-20));
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    margin-bottom: var(--space-5);
}

.site-footer__logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--colour-teal);
    color: var(--colour-white);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
}

.site-footer__logo-text {
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--colour-white);
}

.site-footer__strapline {
    font-size: var(--text-sm);
    line-height: var(--leading-loose);
    margin-bottom: var(--space-4);
}

.site-footer__disclaimer {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.35);
    line-height: var(--leading-loose);
}

.site-footer__col-heading {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-semi);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-4);
}

.site-footer__link-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    list-style: none;
}

.site-footer__link {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__link:hover {
    color: var(--colour-white);
}

.site-footer__bottom {
    padding-top: var(--space-8);
}

.site-footer__legal {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.3);
    line-height: var(--leading-loose);
    max-width: 700px;
}

/* --------------------------------------------------------------------------
   20. RESPONSIVE
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .primary-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--colour-navy-mid);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .primary-nav.is-open {
        display: flex;
    }

    .primary-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .primary-nav__dropdown {
        position: static;
        min-width: auto;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(255,255,255,0.05);
        padding: var(--space-2);
        margin-top: var(--space-2);
    }

    .dropdown-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero__actions {
        flex-direction: column;
    }

    .trust-band__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .hero__trust {
        flex-direction: column;
        gap: var(--space-3);
    }
}