/*
|--------------------------------------------------------------------------
| BodyRepair Marketing Website
| Core Stylesheet
|--------------------------------------------------------------------------
| Brand character:
| - Clinically informed
| - Calm
| - Accessible
| - Modern health technology
| - Mobile responsive
|--------------------------------------------------------------------------
*/

/* ==========================================================================
   1. Design Tokens
   ========================================================================== */

:root {
    --colour-primary: #315d50;
    --colour-primary-dark: #24483e;
    --colour-primary-deep: #18372f;
    --colour-primary-light: #dce9e4;
    --colour-primary-soft: #eef5f2;

    --colour-gold: #b38e47;
    --colour-gold-dark: #8c6d34;
    --colour-gold-light: #f3ead8;

    --colour-clinical: #2f6674;
    --colour-clinical-dark: #214c57;
    --colour-clinical-light: #e2f0f3;

    --colour-danger: #a33a3a;
    --colour-danger-dark: #7d2929;
    --colour-danger-light: #fae9e9;

    --colour-warning: #8a611c;
    --colour-warning-light: #fff3d8;

    --colour-success: #2e6a4f;
    --colour-success-light: #e6f4ec;

    --colour-white: #ffffff;
    --colour-background: #f7f9f8;
    --colour-surface: #ffffff;
    --colour-surface-soft: #f0f5f3;
    --colour-border: #d9e2de;
    --colour-border-strong: #bdcbc5;

    --colour-text: #1e2b27;
    --colour-text-soft: #53635d;
    --colour-text-muted: #73817c;

    --shadow-small:
        0 4px 14px rgba(24, 55, 47, 0.07);

    --shadow-medium:
        0 14px 35px rgba(24, 55, 47, 0.11);

    --shadow-large:
        0 24px 60px rgba(24, 55, 47, 0.15);

    --radius-small: 0.5rem;
    --radius-medium: 0.9rem;
    --radius-large: 1.4rem;
    --radius-pill: 999px;

    --container-width: 1240px;
    --container-narrow-width: 820px;

    --font-body:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --font-heading:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --transition-fast: 160ms ease;
    --transition-medium: 260ms ease;

    --header-height: 78px;
}

/* ==========================================================================
   2. Reset and Global Foundations
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
    margin: 0;
    background: var(--colour-background);
    color: var(--colour-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

img {
    height: auto;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    cursor: pointer;
}

a {
    color: var(--colour-primary);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--colour-primary-dark);
}

p,
ul,
ol,
blockquote,
figure {
    margin-top: 0;
}

p {
    margin-bottom: 1.25rem;
}

ul,
ol {
    padding-left: 1.3rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    color: var(--colour-primary-deep);
    font-family: var(--font-heading);
    font-weight: 750;
    line-height: 1.16;
    letter-spacing: -0.025em;
}

h1 {
    margin-bottom: 1.4rem;
    font-size: clamp(2.45rem, 6vw, 5.2rem);
}

h2 {
    margin-bottom: 1.2rem;
    font-size: clamp(2rem, 4vw, 3.55rem);
}

h3 {
    margin-bottom: 0.85rem;
    font-size: clamp(1.25rem, 2vw, 1.55rem);
}

h4 {
    margin-bottom: 0.75rem;
    font-size: 1.08rem;
}

::selection {
    background: var(--colour-primary);
    color: var(--colour-white);
}

:focus-visible {
    outline: 3px solid var(--colour-gold);
    outline-offset: 4px;
}

[hidden] {
    display: none !important;
}

/* ==========================================================================
   3. Accessibility Utilities
   ========================================================================== */

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.75rem 1rem;
    transform: translateY(-160%);
    border-radius: var(--radius-small);
    background: var(--colour-primary-deep);
    color: var(--colour-white);
    font-weight: 700;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
}

/* ==========================================================================
   4. Layout Containers
   ========================================================================== */

.site-wrapper {
    min-height: 100vh;
}

.container,
.container-narrow {
    width: min(100% - 2rem, var(--container-width));
    margin-inline: auto;
}

.container-narrow {
    width: min(100% - 2rem, var(--container-narrow-width));
}

.section {
    padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section-small {
    padding-block: clamp(3rem, 6vw, 5rem);
}

.section-tight {
    padding-block: 1.5rem;
}

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

.section-soft {
    background: var(--colour-surface-soft);
}

.section-intro {
    max-width: 820px;
    margin-bottom: clamp(2.2rem, 5vw, 4rem);
}

.section-intro.text-centred {
    margin-inline: auto;
}

.text-centred {
    text-align: center;
}

.split-content,
.hero-grid,
.smart-glasses-grid,
.cta-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2.25rem, 6vw, 6rem);
    align-items: center;
}

.split-content.reverse > :first-child {
    order: 2;
}

.split-content.reverse > :last-child {
    order: 1;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.align-centre {
    align-items: center;
}

.stack {
    display: grid;
    gap: 1rem;
}

/* ==========================================================================
   5. Typography and Text Utilities
   ========================================================================== */

.eyebrow {
    margin-bottom: 0.85rem;
    color: var(--colour-primary);
    font-size: 0.79rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    line-height: 1.4;
    text-transform: uppercase;
}

.lead {
    color: var(--colour-text-soft);
    font-size: clamp(1.08rem, 2vw, 1.3rem);
    line-height: 1.7;
}

.text-soft {
    color: var(--colour-text-soft);
}

.text-muted {
    color: var(--colour-text-muted);
}

.text-gold {
    color: var(--colour-gold-dark);
}

.text-small {
    font-size: 0.9rem;
}

.margin-bottom-none {
    margin-bottom: 0;
}

.margin-top-small {
    margin-top: 0.8rem;
}

.margin-top-medium {
    margin-top: 1.5rem;
}

.margin-top-large {
    margin-top: 2.75rem;
}

/* ==========================================================================
   6. Header and Navigation
   ========================================================================== */

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    min-height: var(--header-height);
    border-bottom: 1px solid rgba(217, 226, 222, 0.9);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 2px 14px rgba(24, 55, 47, 0.04);
    backdrop-filter: blur(14px);
}

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-logo {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    gap: 0.7rem;
    color: var(--colour-primary-deep);
    font-size: 1.12rem;
    font-weight: 850;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.site-logo:hover {
    color: var(--colour-primary);
}

.logo-mark {
    display: inline-grid;
    width: 2.55rem;
    height: 2.55rem;
    place-items: center;
    border-radius: 0.78rem;
    background:
        linear-gradient(
            145deg,
            var(--colour-primary),
            var(--colour-primary-deep)
        );
    box-shadow: var(--shadow-small);
    color: var(--colour-white);
    font-size: 0.77rem;
    font-weight: 850;
    letter-spacing: 0.05em;
}

.logo-dot {
    color: var(--colour-gold);
}

.desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.desktop-nav a {
    padding: 0.55rem 0.82rem;
    border-radius: var(--radius-pill);
    color: var(--colour-text-soft);
    font-size: 0.94rem;
    font-weight: 650;
    text-decoration: none;
    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.desktop-nav a:hover {
    background: var(--colour-primary-soft);
    color: var(--colour-primary-dark);
}

.desktop-nav a[aria-current="page"] {
    background: var(--colour-primary-light);
    color: var(--colour-primary-deep);
}

.header-actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: 0.65rem;
}

.mobile-menu-button {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-small);
    background: var(--colour-white);
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
    display: block;
    width: 1.25rem;
    height: 2px;
    border-radius: 999px;
    background: var(--colour-primary-deep);
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.menu-icon {
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    position: absolute;
    left: 0;
    content: "";
}

.menu-icon::before {
    top: -0.4rem;
}

.menu-icon::after {
    top: 0.4rem;
}

.mobile-menu-button[aria-expanded="true"] .menu-icon {
    background: transparent;
}

.mobile-menu-button[aria-expanded="true"] .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-button[aria-expanded="true"] .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

.mobile-nav {
    display: none;
    border-top: 1px solid var(--colour-border);
    background: var(--colour-white);
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav-inner {
    display: grid;
    gap: 0.45rem;
    padding-block: 1rem 1.4rem;
}

.mobile-nav-inner > a:not(.button) {
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius-small);
    color: var(--colour-text);
    font-weight: 700;
    text-decoration: none;
}

.mobile-nav-inner > a:not(.button):hover,
.mobile-nav-inner > a[aria-current="page"] {
    background: var(--colour-primary-soft);
    color: var(--colour-primary-dark);
}

/* ==========================================================================
   7. Buttons
   ========================================================================== */

.button,
button.button {
    display: inline-flex;
    min-height: 2.85rem;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.74rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-weight: 760;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        color var(--transition-fast);
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    border-color: var(--colour-primary);
    background: var(--colour-primary);
    box-shadow: 0 8px 20px rgba(49, 93, 80, 0.17);
    color: var(--colour-white);
}

.button-primary:hover {
    border-color: var(--colour-primary-dark);
    background: var(--colour-primary-dark);
    color: var(--colour-white);
}

.button-secondary {
    border-color: var(--colour-border-strong);
    background: transparent;
    color: var(--colour-primary-deep);
}

.button-secondary:hover {
    border-color: var(--colour-primary);
    background: var(--colour-primary-soft);
    color: var(--colour-primary-dark);
}

.button-light {
    border-color: var(--colour-white);
    background: var(--colour-white);
    color: var(--colour-primary-deep);
}

.button-light:hover {
    background: var(--colour-primary-soft);
    color: var(--colour-primary-deep);
}

.button-wide {
    width: 100%;
}

.button-group,
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

/* ==========================================================================
   8. Launch Banner
   ========================================================================== */

.launch-notice {
    display: flex;
    min-height: 3.35rem;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    padding: 0.7rem 1rem;
    background:
        linear-gradient(
            90deg,
            var(--colour-primary-deep),
            var(--colour-primary)
        );
    color: var(--colour-white);
    font-size: 0.92rem;
    text-align: center;
}

.launch-notice a {
    color: var(--colour-white);
    font-weight: 750;
}

.launch-notice a:hover {
    color: var(--colour-gold-light);
}

/* ==========================================================================
   9. Hero Sections
   ========================================================================== */

.hero,
.page-hero {
    overflow: hidden;
    background:
        radial-gradient(
            circle at 85% 15%,
            rgba(179, 142, 71, 0.13),
            transparent 27rem
        ),
        radial-gradient(
            circle at 5% 50%,
            rgba(49, 93, 80, 0.12),
            transparent 28rem
        ),
        var(--colour-white);
}

.hero {
    padding-block: clamp(4rem, 9vw, 8rem);
}

.page-hero {
    padding-block: clamp(3.5rem, 7vw, 6.5rem);
}

.pathway-hero {
    background:
        radial-gradient(
            circle at 85% 20%,
            rgba(179, 142, 71, 0.16),
            transparent 29rem
        ),
        linear-gradient(
            135deg,
            var(--colour-primary-soft),
            var(--colour-white)
        );
}

.hero-copy {
    max-width: 760px;
}

.hero-copy .lead {
    max-width: 690px;
}

.hero-actions {
    margin-top: 2rem;
}

.hero-note {
    max-width: 660px;
    margin-top: 1.25rem;
    margin-bottom: 0;
    color: var(--colour-text-muted);
    font-size: 0.9rem;
}

.hero-media,
.media-frame {
    position: relative;
}

.hero-media::before {
    position: absolute;
    z-index: 0;
    inset: -1.2rem 1.2rem 1.2rem -1.2rem;
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            145deg,
            var(--colour-primary-light),
            var(--colour-gold-light)
        );
    content: "";
}

.hero-media img,
.media-frame img {
    position: relative;
    z-index: 1;
    width: 100%;
    border-radius: var(--radius-large);
    background: var(--colour-primary-soft);
    box-shadow: var(--shadow-large);
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.media-caption {
    position: relative;
    z-index: 2;
    margin: 0.8rem 0.4rem 0;
    color: var(--colour-text-muted);
    font-size: 0.86rem;
}

/* ==========================================================================
   10. Breadcrumbs
   ========================================================================== */

.breadcrumbs {
    margin-bottom: 2.2rem;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.breadcrumbs li {
    color: var(--colour-text-muted);
    font-size: 0.88rem;
}

.breadcrumbs li:not(:last-child)::after {
    margin-left: 0.35rem;
    color: var(--colour-border-strong);
    content: "/";
}

.breadcrumbs a {
    color: var(--colour-primary);
    font-weight: 650;
    text-decoration: none;
}

/* ==========================================================================
   11. Cards
   ========================================================================== */

.card {
    position: relative;
    padding: clamp(1.35rem, 3vw, 2rem);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-large);
    background: var(--colour-surface);
    box-shadow: var(--shadow-small);
}

.card-hover {
    transition:
        transform var(--transition-medium),
        box-shadow var(--transition-medium),
        border-color var(--transition-medium);
}

.card-hover:hover {
    transform: translateY(-5px);
    border-color: rgba(49, 93, 80, 0.42);
    box-shadow: var(--shadow-medium);
}

.feature-card {
    border-top: 4px solid var(--colour-primary);
}

.clinical-card {
    border-color: rgba(47, 102, 116, 0.28);
    background:
        linear-gradient(
            145deg,
            var(--colour-white),
            var(--colour-clinical-light)
        );
}

.smart-card {
    border-color: rgba(179, 142, 71, 0.36);
    background:
        linear-gradient(
            145deg,
            var(--colour-white),
            var(--colour-gold-light)
        );
}

.card-icon {
    display: inline-grid;
    min-width: 2.9rem;
    height: 2.9rem;
    margin-bottom: 1.2rem;
    place-items: center;
    padding-inline: 0.7rem;
    border-radius: 0.85rem;
    background: var(--colour-primary-light);
    color: var(--colour-primary-deep);
    font-size: 0.77rem;
    font-weight: 850;
    letter-spacing: 0.04em;
}

/* ==========================================================================
   12. Pathway Cards
   ========================================================================== */

.pathway-card {
    display: flex;
    min-height: 100%;
    flex-direction: column;
}

.pathway-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.pathway-card-header .card-icon {
    margin-bottom: 0;
}

.pathway-card > p {
    color: var(--colour-text-soft);
}

.pathway-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: auto;
    padding-top: 1rem;
    color: var(--colour-primary);
    font-weight: 780;
    text-decoration: none;
}

.pathway-card-link:hover {
    gap: 0.65rem;
}

/* ==========================================================================
   13. Badges
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.38rem 0.68rem;
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 820;
    letter-spacing: 0.04em;
    line-height: 1.2;
    text-transform: uppercase;
}

.badge-primary {
    background: var(--colour-primary-light);
    color: var(--colour-primary-deep);
}

.badge-gold {
    background: var(--colour-gold-light);
    color: var(--colour-gold-dark);
}

.badge-clinical {
    background: var(--colour-clinical-light);
    color: var(--colour-clinical-dark);
}

.badge-launch {
    background: var(--colour-gold);
    color: var(--colour-white);
}

/* ==========================================================================
   14. Lists
   ========================================================================== */

.check-list,
.feature-list,
.glasses-feature-list,
.footer-links {
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list {
    display: grid;
    gap: 0.72rem;
}

.check-list li {
    position: relative;
    padding-left: 1.8rem;
}

.check-list li::before {
    position: absolute;
    top: 0.05rem;
    left: 0;
    display: grid;
    width: 1.25rem;
    height: 1.25rem;
    place-items: center;
    border-radius: 50%;
    background: var(--colour-primary-light);
    color: var(--colour-primary-deep);
    content: "✓";
    font-size: 0.78rem;
    font-weight: 900;
}

.feature-list {
    display: grid;
    gap: 1.2rem;
}

.feature-list li {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--colour-border);
    color: var(--colour-text-soft);
}

.feature-list li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.feature-list strong {
    color: var(--colour-primary-deep);
}

/* ==========================================================================
   15. Clinical Framework
   ========================================================================== */

.clinical-framework {
    position: relative;
    overflow: hidden;
}

.clinical-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
}

.clinical-step {
    position: relative;
    padding: 1.6rem;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-large);
    background: var(--colour-white);
    box-shadow: var(--shadow-small);
}

.clinical-step-number {
    display: inline-grid;
    width: 2.2rem;
    height: 2.2rem;
    margin-bottom: 1rem;
    place-items: center;
    border-radius: 50%;
    background: var(--colour-clinical);
    color: var(--colour-white);
    font-weight: 850;
}

.clinical-highlight {
    padding: clamp(1.6rem, 4vw, 3rem);
    border: 1px solid rgba(47, 102, 116, 0.23);
    border-left: 6px solid var(--colour-clinical);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            135deg,
            var(--colour-white),
            var(--colour-clinical-light)
        );
    box-shadow: var(--shadow-small);
}

/* ==========================================================================
   16. Calls to Action
   ========================================================================== */

.cta {
    overflow: hidden;
    padding: clamp(2rem, 5vw, 4rem);
    border-radius: calc(var(--radius-large) + 0.25rem);
    background:
        radial-gradient(
            circle at 95% 10%,
            rgba(179, 142, 71, 0.32),
            transparent 20rem
        ),
        linear-gradient(
            135deg,
            var(--colour-primary-deep),
            var(--colour-primary)
        );
    box-shadow: var(--shadow-large);
    color: var(--colour-white);
}

.cta h2,
.cta .eyebrow,
.cta .lead {
    color: var(--colour-white);
}

.cta .button-group {
    justify-content: flex-end;
}

/* ==========================================================================
   17. Smart Glasses
   ========================================================================== */

.smart-glasses {
    overflow: hidden;
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid rgba(179, 142, 71, 0.3);
    border-radius: calc(var(--radius-large) + 0.25rem);
    background:
        radial-gradient(
            circle at 85% 15%,
            rgba(179, 142, 71, 0.22),
            transparent 22rem
        ),
        linear-gradient(
            145deg,
            var(--colour-primary-deep),
            #244c42
        );
    box-shadow: var(--shadow-large);
    color: var(--colour-white);
}

.smart-glasses h2,
.smart-glasses h3,
.smart-glasses .lead,
.smart-glasses .eyebrow {
    color: var(--colour-white);
}

.smart-glasses .lead {
    opacity: 0.9;
}

.glasses-feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem 1rem;
    margin-top: 1.6rem;
}

.glasses-feature-list li {
    position: relative;
    padding-left: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
}

.glasses-feature-list li::before {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--colour-gold);
    content: "•";
    font-size: 1.35rem;
    line-height: 1;
}

.glasses-display {
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(12px);
}

.glasses-display-label {
    color: var(--colour-gold-light);
    font-size: 0.79rem;
    font-weight: 820;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.glasses-display-value {
    margin-block: 0.5rem;
    color: var(--colour-white);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 850;
    letter-spacing: -0.04em;
    line-height: 1;
}

.glasses-display-meta {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.78);
}

/* ==========================================================================
   18. Callouts
   ========================================================================== */

.callout {
    padding: 1.25rem 1.35rem;
    border: 1px solid var(--colour-border);
    border-left: 5px solid var(--colour-primary);
    border-radius: var(--radius-medium);
    background: var(--colour-white);
    color: var(--colour-text);
}

.callout strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--colour-primary-deep);
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout-gold {
    border-left-color: var(--colour-gold);
    background: var(--colour-gold-light);
}

.callout-clinical {
    border-left-color: var(--colour-clinical);
    background: var(--colour-clinical-light);
}

.callout-danger {
    border-color: rgba(163, 58, 58, 0.24);
    border-left-color: var(--colour-danger);
    background: var(--colour-danger-light);
}

.callout-danger strong,
.callout-danger h2 {
    color: var(--colour-danger-dark);
}

.callout-warning {
    border-color: rgba(138, 97, 28, 0.28);
    border-left-color: var(--colour-warning);
    background: var(--colour-warning-light);
}

.callout-warning strong,
.callout-warning h2 {
    color: #69470e;
}

/* ==========================================================================
   19. Journey Stages
   ========================================================================== */

.journey {
    position: relative;
    display: grid;
    gap: 1rem;
}

.journey::before {
    position: absolute;
    top: 1rem;
    bottom: 1rem;
    left: 1.05rem;
    width: 2px;
    background: var(--colour-border);
    content: "";
}

.journey-item {
    position: relative;
    margin-left: 3.2rem;
    padding: 1.4rem 1.5rem;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-white);
    box-shadow: var(--shadow-small);
}

.journey-item::before {
    position: absolute;
    top: 1.55rem;
    left: -2.72rem;
    width: 1.15rem;
    height: 1.15rem;
    border: 3px solid var(--colour-white);
    border-radius: 50%;
    background: var(--colour-primary);
    box-shadow: 0 0 0 2px var(--colour-primary);
    content: "";
}

.journey-number {
    display: inline-block;
    margin-bottom: 0.45rem;
    color: var(--colour-primary);
    font-size: 0.76rem;
    font-weight: 820;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.journey-item p:last-child {
    margin-bottom: 0;
    color: var(--colour-text-soft);
}

/* ==========================================================================
   20. Tables
   ========================================================================== */

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-large);
    background: var(--colour-white);
    box-shadow: var(--shadow-small);
}

table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

th,
td {
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--colour-border);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--colour-primary-deep);
    color: var(--colour-white);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

tbody tr:nth-child(even) {
    background: var(--colour-primary-soft);
}

tbody tr:last-child td {
    border-bottom: 0;
}

/* ==========================================================================
   21. Forms
   ========================================================================== */

.form-grid {
    display: grid;
    gap: 1.15rem;
}

.form-grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field {
    display: grid;
    gap: 0.42rem;
}

.form-field label,
.checkbox-row label {
    color: var(--colour-primary-deep);
    font-weight: 720;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--colour-border-strong);
    border-radius: var(--radius-small);
    background: var(--colour-white);
    color: var(--colour-text);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

input,
select {
    min-height: 3rem;
    padding: 0.65rem 0.85rem;
}

textarea {
    min-height: 10rem;
    padding: 0.8rem 0.85rem;
    resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
    border-color: var(--colour-primary);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--colour-primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(49, 93, 80, 0.14);
}

.checkbox-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.7rem;
    align-items: start;
}

.checkbox-row input {
    width: 1.15rem;
    height: 1.15rem;
    min-height: auto;
    margin-top: 0.3rem;
    accent-color: var(--colour-primary);
}

.form-help {
    margin-bottom: 0;
    color: var(--colour-text-muted);
    font-size: 0.83rem;
}

.required {
    color: var(--colour-danger);
}

/* ==========================================================================
   22. FAQ Accordion
   ========================================================================== */

.faq-list {
    display: grid;
    gap: 0.85rem;
}

.faq-item {
    overflow: hidden;
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-medium);
    background: var(--colour-white);
    box-shadow: var(--shadow-small);
}

.faq-question {
    position: relative;
    width: 100%;
    padding: 1.15rem 3.5rem 1.15rem 1.25rem;
    border: 0;
    background: transparent;
    color: var(--colour-primary-deep);
    font-weight: 760;
    text-align: left;
}

.faq-question::after {
    position: absolute;
    top: 50%;
    right: 1.25rem;
    color: var(--colour-primary);
    content: "+";
    font-size: 1.55rem;
    line-height: 1;
    transform: translateY(-50%);
}

.faq-question[aria-expanded="true"]::after {
    content: "−";
}

.faq-question:hover {
    background: var(--colour-primary-soft);
}

.faq-answer {
    padding: 0 1.25rem 1.2rem;
    color: var(--colour-text-soft);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   23. Footer
   ========================================================================== */

.site-footer {
    padding-top: clamp(3.5rem, 8vw, 6rem);
    background: var(--colour-primary-deep);
    color: rgba(255, 255, 255, 0.78);
}

.site-footer .site-logo {
    margin-bottom: 1.1rem;
    color: var(--colour-white);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.7fr repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 5vw, 4rem);
}

.footer-brand p {
    max-width: 470px;
}

.footer-heading {
    color: var(--colour-white);
    font-size: 0.96rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-links {
    display: grid;
    gap: 0.6rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--colour-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-block: 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.85rem;
}

.footer-bottom-links {
    text-align: right;
}

/* ==========================================================================
   24. Responsive Design
   ========================================================================== */

@media (max-width: 1120px) {
    .desktop-nav {
        display: none;
    }

    .mobile-menu-button {
        display: grid;
    }

    .header-actions .button-secondary {
        display: none;
    }

    .clinical-grid,
    .grid-four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-main {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    :root {
        --header-height: 70px;
    }

    .hero-grid,
    .split-content,
    .smart-glasses-grid,
    .cta-grid {
        grid-template-columns: 1fr;
    }

    .split-content.reverse > :first-child,
    .split-content.reverse > :last-child {
        order: initial;
    }

    .grid-three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta .button-group {
        justify-content: flex-start;
    }

    .hero-media {
        max-width: 680px;
    }
}

@media (max-width: 650px) {
    .container,
    .container-narrow {
        width: min(100% - 1.25rem, var(--container-width));
    }

    body {
        font-size: 0.98rem;
    }

    h1 {
        font-size: clamp(2.2rem, 12vw, 3.5rem);
    }

    h2 {
        font-size: clamp(1.8rem, 9vw, 2.6rem);
    }

    .section {
        padding-block: 4rem;
    }

    .section-small {
        padding-block: 3rem;
    }

    .header-inner {
        gap: 0.7rem;
    }

    .header-actions > .button {
        display: none;
    }

    .site-logo {
        font-size: 1rem;
    }

    .logo-mark {
        width: 2.35rem;
        height: 2.35rem;
    }

    .launch-notice {
        align-items: stretch;
        flex-direction: column;
        gap: 0.45rem;
        padding-block: 0.85rem;
    }

    .hero-actions,
    .button-group {
        flex-direction: column;
    }

    .hero-actions .button,
    .button-group .button {
        width: 100%;
    }

    .grid-two,
    .grid-three,
    .grid-four,
    .clinical-grid,
    .form-grid-two {
        grid-template-columns: 1fr;
    }

    .glasses-feature-list {
        grid-template-columns: 1fr;
    }

    .journey::before {
        left: 0.75rem;
    }

    .journey-item {
        margin-left: 2.45rem;
        padding: 1.2rem;
    }

    .journey-item::before {
        left: -2.12rem;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-bottom-links {
        text-align: left;
    }
}

/* ==========================================================================
   25. Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    .button:hover,
    .card-hover:hover {
        transform: none;
    }
}

/* ==========================================================================
   26. High Contrast Preferences
   ========================================================================== */

@media (prefers-contrast: more) {
    :root {
        --colour-border: #899a93;
        --colour-border-strong: #596b64;
        --colour-text-soft: #35433e;
    }

    .button-secondary,
    input,
    select,
    textarea,
    .card,
    .faq-item {
        border-width: 2px;
    }
}

/* ==========================================================================
   27. Print
   ========================================================================== */

@media print {
    .site-header,
    .site-footer,
    .launch-notice,
    .button,
    .hero-actions,
    .mobile-nav,
    .cta,
    .skip-link {
        display: none !important;
    }

    body {
        background: #ffffff;
        color: #000000;
        font-size: 11pt;
    }

    .section,
    .section-small,
    .page-hero,
    .hero {
        padding-block: 1rem;
    }

    .card,
    .callout,
    .clinical-highlight,
    .table-wrapper {
        break-inside: avoid;
        box-shadow: none;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }

    h1,
    h2,
    h3,
    h4 {
        color: #000000;
    }
}
/* ==========================================================================
   Homepage Hero Media Refinement
   ========================================================================== */

.hero .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
}

.hero .hero-media {
    width: 100%;
    max-width: 320px;
    margin-inline: auto 0;
    justify-self: end;
}

.hero .hero-media img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 390px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* Tablet */
@media (max-width: 860px) {
    .hero .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero .hero-media {
        width: min(100%, 300px);
        margin: 1.5rem auto 0;
        justify-self: center;
    }

    .hero .hero-media img {
        max-height: 360px;
    }
}

/* Mobile */
@media (max-width: 650px) {
    .hero .hero-media {
        width: min(78%, 260px);
    }

    .hero .hero-media::before {
        inset: -0.55rem 0.55rem 0.55rem -0.55rem;
    }

    .hero .hero-media img {
        max-height: 320px;
        border-radius: 1rem;
    }
}